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ARCHITECTURAL SSL • Chronicling the Advancement of LEDs in the Built Environment 1702SSLCVR.indd 2

SPAM FILTER REQUIRED. Unquestionably, lots of exciting SSL-related

innovations are coming to bear. The trick is identifying what’s actually attention worthy. [PAGE 16]

AT THE FRONT The temptation to go overboard with the use of RGB is indeed great; turn inside for examples of color applied in subtle, yet effective, ways.

SSL PROJECT Speaking of colored illumination, Niagra Falls, gets a sophisticated, 21st century LED lighting retrofit worthy of the natural wonder.

SSL PROFILE The University of Pennsylvania’s new engineering and research facility features some unorthodox geometry and illumination.


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11 Lighting Leaders Kim and Paul Mercier have a new book expounding their lighting design philosophy. 35 Project Profile The new Pennovation Facility at the University of Pennsylvania.



07 OLED Update

05 LED Insights

A recent DOE CALiPER report documents performance and features of several commercially available OLED luminaires.

“Smart is the new green,” say leading developers, who are beginning to commit to SSL in a big way. By Jim Crockett

09 Lady-Like Lighting Flexible lighting solution helps Texas Tower achieve a more feminine flare.

12 Rose Room Revisited The New York Public Library’s main reading room gets an LED retrofit.


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48 SSL Observed Product innovation is a lot like driving down a mountain road— one must maintain velocity to sustain momentum, but not go so fast as to end up in a ditch. By Kevin Willmorth

The pace of 20th and 21st century innovation and multi-professional interaction has spawned color LEDs into a separate artistic medium, infusing architecture with swaths of color or accents of details, and have turned once-modest places into enjoyable destinations.

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16 Market Setting Feature: Tech Advances—News or Noise?

38 White Pages 0–10V dimming still a workhorse; employ the right criteria when determining uniformity.

Sorting news from noise is not easy in the current communications saturated universe. The line is dependent on context and depth. Frequently, “news” items start as “noise” during investment cycles, until they mature and grow into newsworthy advances. by Kevin Willmorth

22 At the Front: Color With all the changes in the past half-century that have become part of everyday life in 2017, the color supplied to our environments by LEDs should rank right up there in mass media coverage. by Vilma Barr

42 Advances Suspended indirect; bollards; downlights, drivers, sconces, area lighting.

Architectural SSL, Vol. 11, No. 1 (ISSN# 1941-8388) is published five times per year by Construction Business Media. Publication Office: Construction Business Media, 579 First Bank Drive, Suite 220, Palatine, IL 60067; 847 359 6493; (Copyright © 2017 by Construction Business Media) POSTMASTER: Send address changes to Architectural SSL Magazine, 519 East Briarcliff Road, Bolingbrook, IL 60440.

28 Featured Project: Niagra Falls Thanks to LED, Niagara Falls now has a dramatic lighting system that not only doubles the light level on the falls, the technology can withstand the harsh weather conditions. by Ellen Lampert-Gréaux

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More than just a recessed linear slot system





Recessed Modular Lighting and Utility System EF400 gathers all necessary components of an architectural ceiling into one clean continuous slot. Along with LF’s state-of-the-art adjustable and linear LED lighting modules, the EF400 channel can host utility equipment such as HVAC, surveillance, public address, WIFI, fire sprinklers, and more. EF400 includes modular housing units with a magnetic strip for variable placement of lighting. Also available are housing units with fixed position lamp holders and a simple mounting rail to use our light units without the need for a housing.

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NUMBER 46 • FEBRUARY 2017 Gary Redmond

Managing Partner Director Publishing Operations

Tim Shea

Managing Partner Director Business Development

State of SSL and Other Memories Revisited noted they’re all-in on LED, as well as high-IAQ

Dave Pape

EDITORIAL Jim Crockett 847 359 6493

Vice President Director, Art & Production Editorial Director

Kevin Willmorth


Megan Mazzocco 847 359 6493

Senior Editor

and raise rents. I was also somewhat tickled to see her pull out the “3–30–300” rule, which I espoused last issue. I heard this sentiment echoed a few weeks later at another net zero-related event where the developer behind the massive Hudson Yards

himself in the pantheon of guitar legends, David

project in New York City has fully committed to

Gilmour, the source of the ethereal magic that’s

LED. While not doing net zero buildings, Luke

powered so many Pink Floyd albums, said “I

Falk, with The Related Companies, said they’re

know a few tricks.” The self-effacing musician

very much adopting a number of NZ strategies,

undersells his ability, but his humility and “trick”

including LED and more distributed HVAC tech.

control are lessons worth emulating. Without

In fact, he said they’ve even developed a white-

boring anyone with guitar jargon, by “tricks,” the

paper to justify the higher premiums to prospec-

former Floyd front man is talking about the use

tive tenants. What was notable was that this

of effects pedals that allow players to make all

event took place the day after the election, yet it

kinds of interesting sounds. At the feet of a mas-

didn’t diminish LED’s star. While Falk noted they

Associate Art Director

ter, they add texture to a tune, while at the feet

started all this as they believed policy change

of those not of such a discriminatory disposition,

was coming, he said NYC remains aggressive

Associate Art Director

merely mask talent.

on the energy front, and it still makes sense for

DESIGN & PRODUCTION Dave Pape Art Director

Alex Mastera

environments, as these amenities help sell leases

When asked by a journalist where he places

CONTRIBUTING EDITORS Vilma Barr Barbara Horwitz-Bennett Ellen Lampert-Greaux Chuck Ross

Lauren Lenkowski

The health and productivity benefits of LED are still ”squishy” to some, but many key movers and shakers are adopting LED without hesitation.

When it comes to the employment of RGB, I fear the latter too often is the case, and thus

ADVERTISING SALES Gary Redmond 847 359 6493

Tim Shea 847 359 6493

Michael Boyle 847 359 6493

Jim Oestmann 847 838 0500

David Haggett 847 934 9123

Ted Rzempoluch 609 361 1733

Jim Führer 503 679 5409

Bob Fox 203 356 9694

SUBSCRIPTION INQUIRIES There is no charge for subscriptions to qualified requestors in the U.S. All other annual subscriptions will be charged $49 for standard delivery or $84 for air mail delivery. For subscriptions, inquiries or address changes, call 630 739 0900 ext. 100.

them to pursue this path. Another LED believer is the Univ. of California,

necessitates a lessen on color. In the main proj-

Santa Barbara, who are making it policy. Andrew

ect feature, and in the Topics at the Front, we

Riley, UCSB’s head of operations, and another

take a look at artful, even epic, applications of

NBI participant, noted they’re implementing LED

this now mainstream tech, with the idea that a

in all their new projects, most of which are net

little wah-wah goes a long way.

zero. UCSB is also getting creative in its financ-

It’s funny… in SSL’s early days, we also

ing and budgeting, and it’s CFO, Bill McTague, in

employed editorial “tricks,” such as “color-” or

his parlance, said it was about putting the “final

“white”-themed issues to mask a lack of projects.

state first before determining the present state.”

Back in the day, I also reported we were only

More financial models, and certainly more

at the “50% Bridge” stage of white interior LED

research and data is necessary to satisfy those

adoption, referencing an old cartoon, where in

who do not subscribe to the “3–30–300” rule;

getting the steam locomotive going, things came

while we wait for such support mechanisms to

to a crash when the time-travelling cartoon

go full green, at this point we can certainly pro-

character and his historic counterpart went over

ceed with caution over the bridge.•

an only partially completed bridge. At the time, I was alluding to the fact that SSL’s infrastructure—be it standardization, uniformity, dimming, etc.—wasn’t ready for prime time. A decade later, I’m confident to say the bridge is safe. And those waving the go flag are not us

A Publication of Construction Business Media


or DOE—it’s developers. “Smart is the new green,”

Jim Crockett, editorial director

declared Darlene Pope of Jones Lang LaSalle, speaking at the New Buildings Institute’s Getting to Zero forum in Denver this past Fall. There she

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BOUNDLESS CREATIVITY Acclaim Lighting’s award-winning array of solid-state LED lighting & control products give you the creative freedom to achieve your vision.

San Diego County Municipal Building San Diego, CA






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Plots of Expected OLED Panel Life by Panel Luminance

As LED fixtures and lamps have finally hit their stride in the marketplace, OLEDs—organic LEDs—continue to lag in acceptance. A recent DOE CALiPER report documents features and performance of several of the few commercially available OLED luminaires to better understand what improvements might be necessary to further the technology’s fortunes. The authors of September’s “Report 24: Photometric Testing, Laboratory Teardowns, and Accelerated Lifetime Testing of OLED Luminaires” ABOVE: LG Display manufactured the OLED panels used in three of the four tested products. Data supplied by that manufacturer illustrate the known correspondence between both color temperature and light output (luminance) to overall product lifespan. For the CALiPER report’s authors, the shorter lifespan of OLED vs. LED luminaires, means OLED manufacturers should pay more attention to panel replaceability.

selected four fixtures: a desk lamp; a surfacemounted wall/ceiling fixture; and two models of the same sconce, one with an outward-facing OLED panel and another with a second panel that faced toward the wall for added ambient illumination. The fixtures were sent to indepen-

OLED Performance Matches Data

dent laboratories for photometric testing, and then subjected to stress and teardown testing. One of the first findings the report notes is



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the lack of testing methodologies dedicated specifically to this emerging technology. Researchers opted for IES LM-79-08 protocols for goniophotometer and integrating sphere testing; however, this standard was developed for LEDs, and the report notes that the standard may need modification for accurate and consistent OLED testing. And, because there are no OLED protocols equivalent to IES LM-80-15 and IES TM-2111 to estimate lumen-maintenance and life for


OLED panels, investigators found it difficult to CCT (K)
























compare the published life estimates. As to performance-test findings, researchers observed that OLED efficacy lags far behind that of current LED luminaires. According to manufacturer-supplied data, the panels used in tested products feature efficacy ratings ranging between 42 lumens per watt and 55 lm/W. Overall OLED luminaire efficacies were further impeded

ABOVE: CALiPER performance results of the four OLED-tested products were very similar to those published by the luminaires’ manufacturers, with less than a 5% difference in efficacy ratings.

by power losses caused by inefficient fixture Z

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transformer/driver combinations. Manufacturers don’t have many options for OLED-specific drivers and are most often forced to adapt LED-based products. As a result, overall efficacy of the tested fixtures ranged only from 23 lm/W to 45 lm/W—performance equating to one-third to one-half of the mean 86 lm/W of interior LED luminaires listed in the 2014 LED Lighting Facts database. Power-quality characteristics also were poor for three of the four tested products. These three fixtures featured power factors below 50% and total harmonic distortion above 100%. Light distribution of the tested OLEDs met the diffuse “cosine”-style distribution characteristic of the technology’s performance, producing soft shadows similar to those of indirect lighting. And performance in terms of CCT, input power and initial


lumen output all matched closely to

Bringing Fine Design to Light

published data. Color temperatures for all tested fixtures ranged from 2855K to 2952K, with four fixtures featuring

Creating the lighting plan for a stand at an

manufacturer ratings of 3000K and

annual, high-end, furniture market requires a

one of 2900K—all within defined ANSI

designer to balance the expectations of top-tier

chromaticity tolerances.

visitors against the budget for a display that may

Because system life protocols (LM-

be up and running for only a few days. London-

80-15 and TM-21-11) don’t apply to

based Firefly Lighting Design faced just this

OLED. researchers developed their

challenge in its recent installation for furniture

own accelerated lifetime testing. At

manufacturer Channels Design at this year’s

the lower of the two test temperatures,

Design Junction, during London’s Design Week.

panel impedance was seen to increase


High-quality replacement lamps proved to be

with time, and it became clear that

a cost-effective solution and the key to reproduc-

panels tested under elevated ambient

ing the look for future events. A high CRI was a

temperatures may suffer electrical

key requirement in Firefly’s brief for the project,

shorts. Light-output decay occurred

as Channel Design’s founder, Samuel Chan,

more quickly than expected at room

wanted to ensure the lighting would highlight

temperature, and at 113F, chromaticity

the grain in his company’s signature wood

shifted toward the blue at a nearly

pieces. Soraa’s VIVID MR16-GU10 lamps, with a

linear rate. At both high temperature

CRI of 95, were paired with a basic, cost-effective

and high humidity, one tested panel

track fixture. The equipment can easily be

failed at between 500 and 750 hours

broken down and re-purposed for future tem-

of operation.•

porary installations, making it a bottom-line

ABOVE: For the display, Soraa’s VIVID MR16-GU10 lamps, with a CRI of 95, were paired with a basic, costeffective track fixture, to prove replicability.

friendly investment.•


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Feminine Flare Accents Texas Tower


7" (Diameter); 10" (Length)

The new residential high-rise in the heart of Houston is a new star on that city’s horizon, not least because of the nighttime presence created by its balcony-wrapping LED lighting. The energy-efficient illumination both aided in meeting LEED Gold efficiency requirements and complemented the efforts of architects from RTKL’s 1059:

Houston office to offer up a 40-story

9" (Diameter); 13" (Length)

version of feminine mystique. “The building was designed by RTKL to look like a woman in a flowing dress, with the balconies embellishing it like lace or the lines of a corset,” says Scott Oldner of Scott Oldner



Lighting Design. He selected iLight Technologies’ Plexineon to develop the effect. Two static colors were specified, one for the upper portion of the “dress” and another for its bottom “skirt.” Onsite bending of the fixtures allowed each floor’s installation to be slightly different, to create a sense of organic movement. “The lighting needed to follow the architecture,” Oldner says. “And that’s exactly what it does.”•

VISTA 1050 COB Floodlight Series These multi-purpose up & accent luminaires are changing the way light plays across architectural and landscape features—with clarity, precision and efficiency: » Chip-On-Board (COB) LED technology from 3000°K to 5000°K CCT » Adjustable aiming: 330° vertical x 360° horizontal » Dimmable universal input voltage drivers » Optical distributions:: Very Narrow Spot, Narrow Spot, Medium Flood and Wide Flood » Ground, wall or ceiling mountable; wet location outdoor rated

Barn Door Covers Shown

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ABOVE: RTKL envisioned the building a to look like a woman in a flowing dress, with the illuminated balconies embellishing it like lace or the lines of a corset.


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VISTA PRO: 1/2 Pg. Vertical–Architectural 1050 Series Step Lights: Final_1/13/16 2/3/17 PUB: Architectural SSL


Introducing Sternberg's New Multi-tiered LED Luminaire

Flight's indirect COB and reflector assemblies produce better than 85% luminaire efficiency.

Flight incorporates a tm

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SoftVue lens solution for glare free LED

n SoftVue™ Lens option reduces glare.

lighting. With our patented heat pipe

n Heat pipe integration for unparalleled thermal management.

thermal management system, Flight provides


Eyes on the Prize The modular Moonflower fixture from Linea Light Group caught the eyes of judges at this past October’s Codega Prize competition, an Italian lightingdesign awards program focused on projects and products that champion the versatility of LED lighting capabilities. Moonflower, developed by British

long lasting, dependable

designer and ceramicist Colin Johnson, took first prize in the LED Solutions


category. Using RGB sources, the fixtures can be combined to create colorchanging walls of light reminiscent of Gothic stained glass.•

For More Information:


Bringing New Life to a Landmark The 3.4-mile Necklace of Lights was first installed around the shores of Lake Merritt, 90 years ago. Incorporating 4,500 individual bulbs, this signature design element was last relamped, in total, in 2006, when the city replaced incandescent bulbs with 3-watt cold-cathode CFLs. Those bulbs have, over time,

Sternberg Lighting, Leading The Way Ahead.

become both harder to find and more expensive, so this fall the Necklace was upgraded to 2.5-watt Marquee LED lamps from MaxLite. Energy and maintenance savings are expected to total more than $164,000 over the lamps’ anticipat-

Flip Through Our 2017 Catalog On-Line

ed 50,000-hour-lifespan. •

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Life-Long Lighting instructors Teach in a New Medium Kim Mercier, Principal Lighting Design Innovations

Paul Mercier, Principal Lighting Design Innovations

Architecture for Light, by Kim & Paul Mercier, published by the Illuminating Engineering Society of North America, gets right to the point about why lighting is important. “We are just lovers of architecture, or history, or design, or motivations. In reality, we are passionate about all of those things, and with lighting, we can amplify the emotional expression that is locked within every piece of architecture.” The Mercier’s are the principals of Lighting Design Innovations (LDI), with offices in Batavia, N.Y., and Calgary, Canada. The couple are active in a number of professional memberships and actively assist emerging lighting practitioners through scholarship programs and mentoring. After years of working with design teams and lecturing for professionals and undergraduate and graduate programs, the book is the pair’s attempt to reach a broader audience. “We have focused on making the important, analytical lighting concepts intuitive and approachable for

ABOVE: “Lions Awaken,” LDI’s illumination of the award-winning Centre St. Bridge in Calgary. Kim and Paul Mercier say their approach is not about the lighting, but amplifying the emotional expression locked in every piece of architecture.

the design professionals that consider lighting at project inception.” Architecture for Light is the course guide for the Merciers’ Education Plan for 7-week and 13-

Regarding mentoring, the couple has been

serving as the Society’s 103rd President in

week programs. It is organized into three units,

engaged as instructors of lighting for the Univer-

2007-2008. The Young Professionals Scholarship

the first an introduction to light and its interac-

sity of Calgary’s Master of Architecture program

Fund invests in tomorrow’s leaders by support-

tion with space and the built environment; the

and SUNY College at Buffalo’s Dept. of Interior

ing the attendance of students and emerging

second involves the language and instruments

Design. They have served as adjudicators for

professionals at the IES Annual Conference. The

of lighting design; the third relates to new design

lighting course portfolio and project reviews at

award-winning designers also personally help

and application process that consider light and

the Parsons New School of Design, the Univer-

finance the IES Emerging Professionals Workshop

space as the primary concern.

sity of Calgary, and SUNY College at Buffalo.

which precedes the conference. The event brings

Architecture, according to the authors, like

Additionally, Paul created and authored the

industry leaders to the emerging professionals

nature, is not static. Its appearance is ever-

Emerging Professionals program of the IES. The

for roundtable discussions and networking. The

changing, and lighting is instrumental: the time

program recognizes that there are many people

couple believes the workshop helps this emerging

of day, the color of the light, and the introduction

who are new to the lighting industry—not just

community achieve a level of comfort with open

of light that has the ability to widen appreciation.

students and recent graduates—and creates

conversation and questioning that is important to

“With attention to lighting we can save energy,

dedicated programs to meet the needs of those

furthering activities of the lighting community.•

appreciate design more, and preserve legacy. This

just entering the lighting industry.

realization will increase the attention paid to lighting in our learning environments.”

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Kimberly was a founding contributor for the IES’s Young Professionals Scholarship after


2/3/17 10:40


Restoring a Gilded Age Legacy For Gerry Olivia, P.E., Director of Facilities Opera-

of six months, working with Aurora, we restored

tions for the New York Public Library, managing

and rewired 22 ninety-socket, four-level chande-

the renovation and upgrade of the Rose Main

liers, installing new LED lamps,” reports Olivia.

Reading Room was a responsibility that comes

Each metal casing is hung by lengths of chain

along only once or twice in a career. Opened in

from the chandelier structure on which it is

1911, the building’s palacial reading room is 72

attached. The luster on each metal casing was

ft. wide by 287 ft. long, with a 52-ft.-tall ceiling.

restored along with decorative elements, creating

Suspended from the mural-laden ceiling is a

reflections that add to the overall ambiance of

double row of circular four-tier chandeliers. Due

the space. Because the entire ceiling is made of

to an accident in 2014, where one of the decora-

plaster, each of the 900 decorative elements were

tive ceiling plaster rosettes fell to the floor, a

reinforced with steel cables. •

$12-million retrofit began to examine the ceiling for other potential structural or environmental weaknesses. An upgrade to LED was ordered for the chandeliers as part of the two-year project. Olivia worked closely with Aurora Lighting to

RIGHT: The library worked with Aurora Lighting to retrofit the Rose Reading Room’s 22, 90-socket, four-tiered chandeliers with LED.

restore th 4-ft.long chandeliers. “Over the course


It’s coming...

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35 AM


High-Minded Grocer Longo’s Markets has kept pace with the growth of Toronto. The chain operates 28 premier food markets. One offering, “The Market by Longo’s,” is a smaller version of its supermarkets, and is an adaptive re-use the former 23-story, ‘50s-era HQ of Imperial Oil Co. Longo’s retained Ampersand Studio to develop the 8,500-sq,-ft. store in the building’s impressive lobby. The space retains its original tall windows, 23-ft.-high-ceiling and wallspanning mural. Ampersand custom-designed LED lighting fixtures to reflect the era of the building’s construction. Materials for the pendant, wall sconces and checkout are a mix of PVC and steel with powder coated satin nickel. The Deli sign is stainless and acrylic. With its upper floors converted into 400 condos, Longo’s has a readymade customer base for its quality selection. •

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2/3/17 10:40

N O. 8 L I G H T I N G



Enlightening History Toledo, Spain, is known for its Moorish history and architecture, such as the 12th Century Baño de la Cava, the fortified tower that once protected a long-gone bridge. A new lighting installation now offers its managers the freedom to create and manage both static and dynamic lighting effects, using the ActiveSite connected lighting-management platform from Philips. This system is connected to Color Kinetics RGB fixtures and can be controlled via laptops or mobile devices. The Toledo tourist bureau reports visitor numbers have risen significantly since the new lighting has been installed.•

BELOW: Philip’s ActiveSite connected lighting system brings dynamic illumination to the old fort using Color Kinetics RGB fixtures.

From No. 8 Lighting comes the new, powerful 400-Series: Compact in design (5 - 1/2” overall height), offering easy installation, and easy tool-free hot aim & adjust—for accent, wall wash, and general lighting applications. • Patent Pending IC, airtight, and adjustable—for existing or new construction • Installs from below finished ceilings of virtually any thickness • 90+ CRI 3000K/800 -900 lumens at 15 watts with multiple dimming options. • 0-35° vertical/360° horizontal adjustment • 15°, 25° & 40° beam spread options, and 2700K, 2400K and 3500K color options • Flangeless and Flanged, Square and Round, White and Oil-Rubbed Bronze trim options available Circle 09

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2/3/17 08:39 Architectural SSL is a publications of Construction Business Media


1702SSLMSF.indd 16

2/3/17 17:11

As solid-state technology

of directors demanding

fallacies, and outright lies.

grows, so has the influ-

a rapid return on their

True news is buried in un-

ence of public relations

investment. To maximize

relenting waves of noise.

and marketing sophis-

velocity from investment

tication. While lighting

to return, budgets for

from anecdotal “studies”

has entertained a certain

marketing and PR aimed

deployed without scientific

amount of buzz - it has

at rapidly building market

control. In these, no effort

been rudimentary in

position has exceeded in-

is made to isolate Haw-

nature. This creates a mar-

cumbent lighting organiza-

thorne effects (where

ket background relatively

tions. For those receiving

study subjects exhibit a

dull and unsophisticated

all this new marketing and

desired end-result based

when compared to larger

PR energy, the effect can be

solely on being studied), or

commodity and consumer

overwhelming, and noisy.


scale efforts. In the last

1702SSLMSF.indd 17

Coincident to the mar-

Additional static comes

of those involved. To this

decade, this has changed.

keting explosion is the ac-

end, most all informal

Solid-state technolo-

celerating influence of the

case studies are noise, no

gies have not been cheap.

internet and social media,

matter how “newsy” they

The amount of capital

delivering a flood of both

might appear.

employed has been mas-

news and noise. Conversa-

sive. To facilitate this, new

tions swirl on social media.

run-down of three of the

money was injected into

The tsunami of informa-

hottest topics making

the industry from outside

tion comes as a blend of

legitimate news, and how

sources. This investment

fact, opinion, marketing

they are being affected by

is led by CEO’s and boards

spin, fictions, deceptions,

their accompanying noise.

The following is a


2/3/17 17:11


Zumtobel has a suite of products available aimed at at replicating the Circadian cycle. At the left is a chart reflecting the use of natural light as a model for its “Active Light” series.

Doping Light for Circadian Effect A hot topic that elicits a great deal of noise, lighting affecting Circadian rhythms is often founded on but a few morsels of solid news. For those seeking a path through the noise, a good start can be found in the NIH manuscript ‘Effect of Light on Human Circadian Physiology’ (Duffy, Czeisler) published in June, 2009 (available on line for free). This provides an excellent summation of the response of subjects in laboratory conditions, under various illuminance conditions and exposure times, and includes several variables, such as individual sensitivity, polymorphism, and other variables that are not well understood. The application of the knowledge covered in the included studies has been applied to developments in treatment of sleep disorders, as well as regimens for night shift work and air travel. This is a newsworthy read. In October, 2016, the Lighting Research Center published a guide titled “Designing with Circadian Stimulus” (Figuero, Gonzales and Pedler), outlining several key considerations in achieving desired results. The guide explains the relationship between CCT, SPD, illuminance levels, the Circadian Stimulus (CS) metric, vertical vs. horizontal illuminance effects, and lighting system features that enhance and detract from CS performance. This guide shows that CCT is


Through it’s tunableWhite offerings, Zumtobel makes the contention that lighting can differentiate spaces based on time and task that can be personalized. While it recognizes SSL won’t be able to completely replicate nature, this seems a bit of “noise,” as more research is necessary, particularly as to whether high CCT delivers more light in circadian response.

less important than identifying SPD of sources coupled with illuminance levels. This guide is accompanied by a fantastic spreadsheet (avail-

light stimulus and the resulting non-visual

of daylight peaks. Humans have lived under arti-

able on the LRC web site,) that allows anyone to

response seems to make tailored light applica-

ficial light extending daylight hours since fire was

evaluate sources at any illuminance level. The

tion for a desired lighting effect impossible.” The

discovered, making artificial light as much a part

spreadsheet also provides an opportunity for

CIE memo also asserts that while there may be

of our existence as the sun. What is known is that

entering SPD data from any source for individual

“low-hanging fruit” from creating lighting input

SPD’s and illuminance levels are critical factors,

custom comparison. This is news anyone can use

into the newly discovered ipRGC’s (non-visual

which may or may not relate to CCT directly. The

now, and correlates with the NIH manuscript.

ganglion cells now referred to as “circadian

false assumption that high CCT products always

receptors”,) there is a need for clarification and

deliver significantly more light in the circadian re-

manipulate circadian cycles is a fe de compli. The

quantification. This is being addressed by techni-

sponse efficacy region (380 to 625nm with a peak

complexity of applying lighting to purposefully

cal committees at the CIE (TC 3-46) as well as the

at 484nm, per Berson, et al, 2002) is also noise.

manipulate human non-visual response is ad-

IES. This is news, indicating there is more that

Numerous studies indicate that high CCT alone

dressed in the CIE memorandum “CIE Statement

must be understood.

does not guarantee a desirable SPD content. The

This is not to say that application of light to

on Non-Visual Effects of Light”, which states “…

The supposition of humans evolving under

CIE addresses this when it states: “Among the few

non-visual responses are subject to complex sig-

daylight indicating a need for artificial light to

points of general agreement is that the non-visual

nal processing in the central nervous system and

mimicking daylight characteristic, mainly based

effects of light exposure depend on the spectrum,

influenced by as-yet-unresolved interactions of

on CCT—is noise. All artificial light sources differ

intensity, duration, timing and temporal pattern

photoreceptive units. The missing understand-

significantly from daylight (even high CCT sourc-

(light history) of the light exposure.” Note that

ing of the input-output characteristics between

es), and general illumination levels are a fraction

CCT is not mentioned, but spectrum is.


1702SSLMSF.indd 18

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of changing lighting design as we know it. However, application of these concepts is not supported with the necessary products, controls components, sensors, interfaces, or software to apply them. In other words, while the concepts are interesting—and newsworthy, in context of practical application, it is noise—for now. The growing noisy storm of the Internet of Things presents a great deal of excitement, mostly for those who believe it will lead to massive marketing opportunities. Resolution of security issues will need to be resolved before the market will embrace the concept of everything becoming connected to everything else. Further, the potential for devices to stall or fail to function waiting an update, or protection from schemes that turn every appliance and lighting component into a monthly subscription cost, need to be resolved. Superficially, the IoT is a news item. Dig deeper and it becomes more and more noise over substance, with a lot of promises and fantastic proclamations, with little or no product support. Another controls-related topic is the emergence of Power over Ethernet, promising to eliminate expensive line voltage distribution with low voltage wiring from centrally located light-


The Edge in Amsterdam, featuring Philips’ take on a connected lighting, demonstrates that POE and “smart” lighting can be done, but—right now—is fairly atypical. What’s more, while POE applications make sense on very large-scale operations, they don’t for smaller operations which are still the majority of building-type operations, at least in the United States.

ing “servers”. PoE is old news, available for many years now for use in security cameras and other IT related connections. Application in lighting as a news item began with Redwood Systems (now part of Commscope), roughly ten years ago, and

There is reason to believe that once the sci-

building systems. The improvements in wireless

the integration of lighting into IT functionality

ence of human non-visual responses are defined

technologies is news. The growth of the Zigbee

appears sound. Certainly, this enables building

objectively, SSL sources will be made to deliver

(wireless protocol) and Enocean (self-powered)

wide connectivity while reducing the cost of ap-

the necessary SPD characteristics at any CCT

Alliances, and their expanding relationships with

plication. Cisco and Molex have joined forces in

desired – breaking the connection between the

other entities, such as Cisco, IBM and the Open

deploying PoE solutions, while BACnet provides

two completely. That will indeed be news.

Connectivity Foundation, are all news that will

a solid backbone to build systems using this ap-

shape the future of intelligent lighting control.

proach, which is all good news.

The Controls Revolution

However, there remain issues of integration and

Application of effective lighting controls to save

uniformity of standards and cross-manufacturer

sidering the IoT, PoE and Building Automation

energy is old news. 0-10V, 3 wire line voltage,

compatibility that shadows the newsworthy

Systems, is not universal. Large scale corporate

leading and trailing edge power line, DALI, and

potential of truly integrated lighting control and

enterprises will find the benefits of many of

DMX are still relevant today. What is news, is

connectivity with building automation.

these technologies to be welcome and useable.

that Solid-state lighting is just catching up to

The separation of news from noise when con-

There is news and noise within the concept of

Schools, healthcare entities, and institutions

these old stories, with dimming drivers and line

integrating circadian and human health factors

will need to sort the applicable features from

voltage LED products capable of working on

into the delivery of light. From modulation of

over-delivery noise. Meanwhile, small building

what is now conventional controls interfaces.

spectral power characteristics and illuminance

owners and lease holders will likely find controls

levels to relationships between task and sur-

sophistication more noise than news. Only 2.2%

rounding space - controls are on the precipice

of commercial buildings are over 100,000 sq .ft—

The emerging news is the deployment of digital controls and inter-connectivity with other

1702SSLMSF.indd 19


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35% of commercial floor space—while 73% are under 10,000 sq. ft., according to Rocky Mountain Institute U.S. data, where the need for advanced building automation and lighting controls is limited by practicality. For most, 0-10V dimmers, simple controls—wired or wireless—using relatively conventional architecture with little or no on-line connectivity will remain relevant news.

Color Rendering Metrics The discussion of color rendering metrics is an old topic. Recently, the IES made news with its recommendation for a new metric tool - TM30-15. This metric utilizes new formulas with extended 99 color set to describe color fidelity (closeness to a reference source) and gamut (saturation), represented as Rf and Rg. TM-30 also provides graphic representations of the subject source compared to the reference source. This is promoted as big news. However, the CIE has not adopted TM-30, stating (October 2015) “…the CIE supports the study of the recently published IES Technical Memorandum TM-30, to which some CIE TC 1-90 members have contributed. This work was recently proposed for consideration in TC 1-90, which voted to make its Rf metric the basis for the TC’s first working draft. The CIE also recommends that important lighting metrics such as the Colour Rendering Index require


One of Berlin’s top book lovers’ destinations, Dussmann das KulturKaufaus retrofitted to LED in 2013. The store demanded quality lighting for its patrons. Its designer turned to Erco and its Lightboard and Logotec fixtures.


The advent of TM-30, and the RG value it introduced is definitely “news,” but it remains to be seen if the color standard will be universally adopted, especially as a number of issues remain to be ironed out.

formal international agreement. New metrics introduced at the regional level could cause confusion in the global lighting market.” Much like the CQS before it, TM-30-15 does not produce a significantly different result from CRI. A 90CRI product will generally deliver a 88-92 Rf result under TM-30. While the Rg value is new,

Caveat Emptor

and the graphics present insight into the color

Sorting news from noise is not easy in the cur-

pendent on context and depth. If the news item

behavior of the light source, the underlying use

rent communications-saturated universe. Mar-

is timely, and pointed at a demand as-yet un-met,

of a moving target reference—comparing the

keters are expert at presenting “noise” as news.

it may be news. If that item is supported by other

subject source to a reference with an identi-

The good news is that “news” items fre-

The line between news and noise is also de-

independent sources or studies, or a growing

cal CCT value—are still coupled to an averaged

quently, start as noise during investment cycles,

trend with a practical value, it could be news.

reported value, with similar result to CRI and

where they mature and grow into newsworthy

Items that seem superfluous, overly subjective,

CQS. Only those taking the time to dig into the

advances. The emergence of solid-state lighting

unsupported by independent sources, use infor-

supplemental results will see the value of TM-30.

technology is rich with this; From early noise of

mation out of context to some advantage, are

To this end, TM-30 is both news and noise. Until

unbelievable promises in 2008 of 65 lumens per

impractical to apply, appear to present change

there is a new international standard, any in-

watt, to today’s news of common 135+lm/W—to

for change sake, or make bold statements that

vestment in re-testing or re-calculating product

unrealistic noises about adoption rates, to

appear to represent a grand need unrecognized

color performance is premature. More news on

today’s news of strong vectoring of LEDs as the

by the market that must be served now… it is

this topic is likely to come later this year.

source of choice.

likely just noise.•


1702SSLMSF.indd 20

2/3/17 17:41


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1702SSLTAF.indd 22

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By Vilma Barr, contributing writer

With all the changes in the past half-century that have become part of everyday life in 2017, the color supplied to our environments by LEDs should rank right up there in mass media coverage as are smart phones, Uber, pop-up stores, women CEOs, and the worldwide socio-political scene. But it isn’t. It has, more or less, slid with not much more than modest acclaim into the lighted environment: pleasant, pretty, a working design tool. However, the innate qualities of color LEDS are inspiring installations not even considered even a couple of decades ago.


The Museum of Contemporary Art & Planning Exhibition (MOCAPE)

The Museum of Contemporary Art & Planning Exhibition (MOCAPE) is part of the master plan for the Futian Cultural District in central Shenzhen. Both museums are merged in a monolithic body surrounded by a multifunctional façade. This transparent façade and sophisticated internal lighting concept allow views into the joint entrance and transitional areas between the buildings. Programmable exterior LED colors are an icon in the evening cityscape. The exterior consists of natural stone louvers and an outer envelope made from insulated glass fitted with LEDs that envelope the two museums. Pollution-free systems use renewable energy sources through solar and geothermal energy with ground water cooling. The museum’s roof filters daylight for the exhibition rooms.

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Photos: Szeto Wing

Location: Shenzhen, China Architect: Coop Himmelblau Lighting Design: AG Licht/GD-Lighting

DIGITAL ASSIST  BIM played a big role in the lighting design. By constructing a 1:1 digital model in Rhino, GD Lighting was able to map the luminaire installation, as well as resolve glare issues caused by the building’s concave and convex corners.


2/3/17 11:12


Østbanehallen Location: Oslo, Norway Architect: Mellbye Arkitektur Interiør AS Lighting Design: ÅF Lighting

Photos: Tomasz Majewski

Østbanehallen, a modern food court and retail center located in a c.1880 building in central Oslo on a main shopping street, reopened following extensive renovations. The lighting design emphasizes the historic classical construction and highlights its previous function as a railway station. At one end of the indoor hall, a colorful wall of light piles up on three dimensions consisting of 71 overlapping transparent plates illuminated by OSRAM LINEARlight Colormix flex strips mounted above and below the disc. One plate is like a pixel; each panel is individually controlled for color and intensity and adapts to the seasons and time of day. Each retail shop has its own operable controls, enabling owners to control their lighting individually.

D Granted, the capability of color LEDs isn’t life-modifying

The six projects presented here are examples of a

as was Edison’s practical application of incandescent

small representation of the many extraordinary proj-

lighting in 1887. Then, 75 years later in 1962, Dr. Nick

ects supplied by designers and other lighting sources

Holonyak, Jr., an atomic physicist working for GE, dem-

to this magazine. The effect on users of color LEDs is

onstrated the first visible red laser beam. He powered

being interpreted by thoughtful comments such as was

his light emitting diode from his own alloy of gallium

expressed by the jury members who rated Novo Nord-

arsenide phosphide. Now, 55 years into the history of

isk (right) for the Danish Lighting Award. “Innovative…

LEDs, the color lighting palette, once dominated by a

the sophisticated interaction between lighting and

single choice—white—is pushing 16 million.

architecture encourages visitors and employees to feel

The pace of 20th and 21st century innovation and multi-professional interaction has spawned color

 CONSIDERATE DESIGN A 2016 IALD Merit Award winner, one judge noted it was novel approach to the media façade genre, particularly its considered and selective use of color.

the light rather than notice it.” At Cabrini Hospital, on the following page, the LED

LEDs into a separate artistic medium, infused archi-

wall is built into natural materials, so young users

tecture with swaths of color or accents of details, and

aren’t staring at another digital device. The former Oslo

have turned once-modest eating places into enjoyable

train station pictured above, a museum in Shenzhen,

destinations. Ongoing technical improvements are

China (opening spread) and a spa in Germany (also on

announced with regularity by manufacturers. Without

the following page) demonstrate the phenomenonal

the power reach of communications giants, such as

versatility of color LEDs to enhance settings and

Apple, the environmental drama produced by color


LEDs is widely evident, but far quieter in its approach to distributed information.


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Tradewinds Buffet Location: Welch, Minn. Architect: RSP Architects Lighting Design: Schuler Shook

 REINVIGORATED A casual dining spot that is part of a bigger entertainment complex, creative lighting revived the dated dining spot.

Photos: Lindsay Nicole Photography

 HEAVENLY DINING Soft blue LED coves set-off the warm wood ceiling, creating a ceiling of floating clouds. Gold filigree pendants add to the illusion.

A 16,000-sq.-ft., $7-million renovation revived a dated Tradewinds Buffet at the Treasure Island Resort & Casino into a colorful contemporary casual dining destination. Located on the Mississippi River 40 miles south of Minneapolis/St. Paul, the facility is undergoing a multimillion modernization and expansion program. For the restaurant, the lighting program included back-lit onyx features, a dropped ceiling with uplighting, and gold metal filigree pendants hung at various heights around the room.

 DELIGHTFULLY DYNAMIC The project feautures a subtle color-changing scheme that alters dependent on the time of day and the season. In all, 10 scenarios can be in play, including the “double dynamic,” where the combination of natural and electric light ensure the light within is never the same.

Novo Nordisk Location: Bagsvaerd, Denmark Architect: Henning Larsen Architects Lighting Design: Christina Augustesen, Grontmij Lighting for the new headquarters of the international pharmaceutical company Novo Nordisk, designed by Henning Larsen Architects, was recently recognized with a Danish Lighting Award. Cited by the jury as innovative, the sophisticated interaction between lighting and architecture encourages visitors and employees to feel the light rather than notice it. Osram served as the project’s LED lighting consultant. In Building NN1, atrium lighting creates visual links with blue sky and daylight. The luminaire concept was based on linear RGBW LED modules. Novo Nordisk is a 90-year-old healthcare company with global distribution in 75 countries.

Photos: Courtesy, Osram

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Cabrini Hospital Location: Malvern, Australia Interactive Wall Manufacturer: LUMES Installation Design: ENESS An interactive wall-mounted tile generates personalized animations with LEDs and light-emitting wood at Cabrini Hospital in Malvern, Australia, a suburb of Melbourne. Measuring 20X20X1.7 inches, Plexiglass coats the surface. Each tile contains 144 RGB LEDs. LUMES tiles, which can be attached to the wall surface or recessed, are said to be bright enough to illuminate dark spaces or visible in interiors with generous daylighting. For this health care facility, the goal was to maximize the available space with interactive experiences that children, patients and visitors, could intuitively use and control. The installation is built into natural materials, so young users aren’t staring at another digital device, Rather, they are immersed in a positive environment with color combinations that are embedded in the structure to contribute the reduction of stress and anxiety.

Photos: Courtesy, LUMES

 ZEN LIGHTING? Built into natural materials users are immersed in a positive environment with color combinations that are embedded in the structure to contribute to the reduction of stress and anxiety.

Obermaintherme Location: Bad Staffelstein, Germany Architect/Lighting Design: Krieger Architekten Ingenieure GambH Lighting Consultant: Ingenieurgesellschaft Lievens und Partner mgH Germany’s hottest and strongest saltwater swimming pool reaches ground level from a 5,300-ft.-deep drilled spring in Bad Staffelstein in Bavaria. A new enclosure for the 1,800-sq.-ft. pool has been designed as a cave in the shape of a salt crystal made with Lucem translucent concrete. Programmable LED lighting is incorporated into the double wall construction on a steel frame. Spacers inserted between the steel frame and the light transmitting concrete panels minimize the frame’s shadow. In the center are two-sided RBG LED modules developed by Lucem that are filled with epoxy resin to protect the light source from the high humidity and salinity in the air.

NATURAL COMBINATION  Color LEDs work in unison with translucent concrete to create the illusion of a crystalline cave.


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Photos: Courtesy, Lucem

2/3/17 11:12



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25 Years of Lighting Solutions insight_ssl_feb2017_issue_version2.indd 1 1702SSLFPAds.indd 27

Circle 11 1/19/2017 2/3/17 12:54:00 PM 08:39


Niagra Falls Illumination Enhancement Niagara Falls, ON. & N.Y.

Reigniting the Magic

Lighting Design Team: Salex, Scarborough, ON, Canada; Mulvey & Banani Lighting, Toronto; Scenework, Guelph, ON. LED Lighting fixtures: Stanley Electric Control System: Strand Lighting Electrical Contractor: Ecco Electric Text: Ellen Lampert-Gréaux Photos: Photo Monkey Toronto The Challenge: To design a new state-of-theart lighting system for the epic waterfalls that would double the light level on the natural wonder meeting a targeted minimum of 13 footcandles from a distance of 2,100 ft. The further challenge was finding fixtures that could withstand the harsh weather conditions on the Canadian-U.S. border—conditions that range from mist and ice, to high winds and freezing temperatures. The Solution: Under the Aegis of Salex, a diversified team of designers, manufacturers and integrators assembled an LED replacement scheme. In putting together this vision, the team conceived of the concept of 1,400 controllable LED modules. Divided into 350 control zones, The modules are easily mapped over the falls allowing full color-mixing capability from lighting and controls equipment available off the shelf.


1702SSLFEA.indd 28

The majestic beauty of Niagara

illuminated this natural wonder.

Salex’ team was Paul Boken and

Falls—a series of three impressive

Installed in 1974—and which in

Alan McIntosh of Mulvey & Banani

waterfalls that span the border

turn had replaced the carbon arc

Lighting, who would serve as the

between Canada and the state of

fixtures that were installed in

lighting designers. The pair worked

New York—has been enhanced

1925—color-changing for the pre-

in close conjunction with Scene-

with a new digital lighting system

existing system had been managed

work, a Strand Lighting dealer

comprising 1,400 RGBW LED

by changing gel sheets in front of

in Canada, to create a control

color-changing modules. The proj-

the fixtures.

network. Strand’s Bobby Harrell

ect came about when the Niagara

The RFQ piqued the interest

joined the team as the programmer

Parks Commission and the Niagara

of Nick Puopolo from Salex, a

of the control system which was

Falls Illumination Board (NFI)

Canadian lighting and controls

composed of Strand’s NEO consoles

decided to update the antiquated

firm, who put together a team for

as the backbone with distribution

21 4kW Xenon searchlights that

the competition. At the core of

along Pathway Connectivity.

2/6/17 10:58

Of the 30 teams that exhibited

custom brackets for the fixtures

of 13 footcandles from a distance of

interest in the project, 15 teams did

and to confirm photometrics and

2,100 feet? Boken didn’t think so.

an initial mock-up, but ony a hand-

light levels. It was a real team ef-

ful submitted a full-scale mock up.

fort,” says the lighting designer.

“Without any compensation, such

The project’s design brief called

“The falls are a natural wonder of the world,” notes Boken. “We needed to convince them what they

a mock-up is time-consuming and

for the new system to be twice as

asked for was too simple and not

costly,” says Boken, a vice presi-

bright as the existing illumination.

what the public wants in terms of

dent at Mulvey & Banani, adding

LED seemed the simple answer,

today’s lighting.”

only five teams had a product that

The question team had to ask itself,

The team did quite a lot more

would even meet the qualifications.

however, was would the simple sub-

than that in its bid, which would

“Our role was to ensure the design

stitution of LED in a similar system

ultimately produce a scheme that

intent. To do so, we worked closely

be able to double the light level on

would deliver more than 16 million

with the manufacturer to create

the falls and meet a targeted level

color combinations. “We included a 

1702SSLFEA.indd 29


Lighting for the falls was mapped out via 1,400 controllable LED modules divided into 350 control zones, allowing full color-mixing capability.


2/3/17 16:14


The team’s submission went “way beyond” what the Falls commission asked for, which lighting designer Paul Boken says would have been 21 bright spots of light. “Now it’s full coverage, that’s more dramatic, with a greater intensity of color as well,” says Boken.

major re-thinking of how the falls

one really has to think of the project

are lit, not just light and color from

as a series of 1,400 controllable LED

separate spotlights.”

modules vs. however many lumi-

the Illumination Tower, to il-

naires were installed. The modules,

luminate the Canadian Falls, the

light show starts, big metal doors

required light level—they actually

in turn, are divided into 350 control

Bunker at the base of the river to

on the front of the Bunker open,

reached 14 footcandles—Boken’s

zones mapped over the falls with

light the American Falls, and a new

and the fixtures are exposed for

team was the winner: “We also won

full color-mixing capability.

location for this iteration—Table

the length of the show. Afterwards,

Rock—to illuminate the mist and

the doors close and the bunker is

As the only team to hit the

because our fixture and system

“You can’t tell where one beam

American flags,” says Boken. The lighting positions include

is a lot more dramatic with much greater color intensity,” says Boken. For example, a minute before the

was all off-the-shelf, and easy to as-

starts and the other ends, so it’s not

the back of the Horseshoe Falls on

heated vs. any ice build up. The

semble, which made it look easy to

just color changing, but also subtle

the Canadian side that wasn’t lit

light shows at Niagara Falls run

change the colors of the falls.”

grading and shading from one side

before. “We went way beyond what

from three to six hours per day, de-

to the other—such as sunsets or

they [NFI] were asking for, which

pending on the time of the year, so

friendly. With current LED and con-

the aurora borealis—and they can

would have been 21 bright spots of

keeping the fixtures operable was

trols technology, Boken explains,

project images as the Canadian or

light. Now it’s full coverage, which

a key consideration, as weather

Furthermore, the system is user-


1702SSLFEA.indd 30

2/3/17 16:14

conditions can be extreme with mist, ice, snow, and high winds. “There are no lights in the water. This is impossible due to ice build up, which can be up to 15 ft. in the winter,” says Boken, pointing out the lighting positions closest to the falls, especially at Table Rock. Housings for the LED fixtures are warmed with internal heat as well as a defroster to take care of ice build-up. Even the fixtures farther away have the defrosters, and all of the fixtures are waterproof. Stanley Electric manufactured the 8 in. × 8 in. floodlights in a stock

LEGO-LIKE SIMPLICITY Historically an auto headlights manufacturer, Stanley Electric, who supplied the LED fixtures, made quite an impressive transition to the architectural market.

item buyable off-the-shelf. It is 1 in. thick with a narrow two-degree beam spread, each one monochromatic. That to Boken, is the beauty. “You can buy a green one, a red one, a blue one, and a white one,” explains Boken. “You can assemble them like Lego to make a colorchanging fixture.” In this case the fixtures are assembled in two sizes: the A12, a 12-module cluster with three rows of each color, and the A8, an 8-module cluster with two rows of each color. Each fixture has a combination of 9 clusters, which are carefully focused at a single point on the falls to create a range of movement. “They have infinite full color-mixing choices, from saturated to more natural,” Boken points out.


The beauty of the project, beyond the obvious, says Boken, is that all the products used to illuminate the falls are available off the shelf.

1702SSLFEA.indd 31


2/3/17 16:14

“The white LED module provides

face to trigger Neo from phones,

where you can add points, where

a better white than what you get

tablets or PCs. Then it scales to the

each point can have its own color

from RGB-mixed white.”

full size of the touch screen.”

and level of opacity. Then you can

As far as the control system,

There are also tours of the Illu-

determine the direction and spread

Harrell programmed the lighting

mination Tower where the control

of the movement across the Paint-

on a Strand Neo console, transfer-

booth it located and there is a spe-

Box,” says Harrell.

ring the cues to a pair of rack-

cial screen designed for the public

mounted Neo units—a main and

to change the color of the falls as

of 4 × 40 on the American side

a backup—that are permanently

part of the tour experience.

and 4 × 83 on the Canadian side,

installed in an insulated control

The specification of the LED-

Lights are placed in a matrix

mapping the PaintBox so the color

room. Streaming ACN protocol

based system, says Harrell, allowed

changes can go in any direction.

moves over the Pathway Connec-

for much more than what the

“This allows us to achieve all of the

tivity nodes to racks and drivers;

previous system could accom-

looks they wanted,” Harrell adds.

the drivers control the fixtures.

plish, and this presented a very

“As the operators are volunteers,

this project will be available in the

they required a simple touchscreen

wanted. “I worked with Martin

next version of Neo software.

interface that, in turn, controls the

Searancke, from Dream Solutions,

Neo rack unit,” explains Harrell.

the developer of the Neo console

updated to the 21st century with

“These are simple PCs with Neo’s

software. We created a new effect

the digitally controlled LED system,

new Mobile Interface Builder that

engine called PaintBox for the Neo.

the result is spectacular and can

allows any user to create an inter-

It allows us to create a color path

continue to evolve indefinitely.•

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The software developments for

clear vision of what the designers


The LED-based system, says Harrell, allowed for so much more than what could be accomplished previously. Specifically, it allowed the team to create a color path where points could be added, and each point, could have its own color and level of opacity. Direction and spread of the movement across the falls could also be dictated.

Now that the lighting has been

2/3/17 16:14

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1702SSLFPAds.indd 33

Circle 12

2/3/17 08:39

Featuring Symmetry

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1702SSLFPAds.indd 34

2/3/17 08:39


The University of Pennsylvania’s Pennovation Center needed to architecturally express its role as a new commercial innovation hub on the Philadelphia scene. Architects Hollwich Kushner’s solution was out-of-the-box. From the north façade of the former century-old industrial building, they imposed two glass triangular extensions that seem to be ready to blast off to a space station rendezvous. Not to worry; the geometric extensions are safely attached to the rectangular building behind it. They serve as both a dynamic image visual statement and as a gathering destination for the mix of entrepreneurs, inventors and scientists, all hard at work generating the next wave of products and services. The three-story, 70,000-sq.-ft. super hightech center emerged from the foundations of a former DuPont paint research facility. Focus Lighting was brought in by the architects early in the planning phases to work closely with them and the university’s planning and design teams. JP Lira served as principal lighting designer along with Brett Andersen. “Our design challenge was to cost-effectively add a layer of light to support the architect’s goal of an interior that reflects the energy driving the tenants and their activities,“ Lira explains. Architects Mathew Hollwich and Marc Kushner came to the project as experienced entrepreneurs having launched the e-news service, Architizer, so they very much understood the spirit of the project. “We wanted to create a building that encouraged the innovators to get up from their desks and get out of their labs and

ABOVE: A set of stairs gives a purpose to the building’s central spine, and serves as a natural gathering place to host presentations and seminars. The pattern of tubes above is random. “Imagine tossing seven sticks in the air and freezing them in flight,” explains Focus Lighting’s JP Lira. “That’s the effect we were aiming for.” Adjustable LED accents were integrated above the bleachers to accommodate different presentation arrangements.

socialize with their colleagues,” says Hollwich. “That’s why we packed all of the social action of the building into the spiky geometric façade.” Their inspiration for the double-exterior triangular extensions was to imagine a crystal being

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PENNOVATION, Philadelphia, Penn.

THE CHALLENGE: Pennovation is the University of Pennsylvania’s commitment to fostering technology by giving scientists, inventors, and entrepreneurs an inspirational place to work that supports their creative pursuits. The site selected was a former standard-issue three-level rectangular industrial building on the banks of the Schuykill River in Philadelphia. Working on a tight budget, the lighting program had to follow the university’s interior. standard to utilize T5 fluorescent lamps, which could be augmented by LEDs. THE SOLUTION: Focus Lighting created overhead patterns by treating the fluorescent fixtures as illuminated sculptural statements. On the first floor, they form a double directional chevron pattern along the main corridor. For the long central spine on the second floor, the fixtures that seem random were the result of imagining a stop-action photo transformed into reality of tossing the fixtures in the air and positioning them in the pattern they formed. LED pendants were used in the two open stair-step presentation areas.

VARYING INFLUENCES In coming up with an illumination plan, Focus Lighting had to take into consideration that the building plan emphasizes communication between members of each group of tenants. Researchers are engaged in bioengineering, robotics and other pursuits.


Client: University of Pennsylvania

arranged in a chevron pattern. “They energize

Architects: Hollwich Kushner (HWKN)

the space with movement and drama,” says Lira,

Lighting: Focus Lighting

adding the idea was translated from a pattern

Engineering Research and Collaboration Hub, or

space in the second extended triangle. On the 20,000-sq.-ft. third floor is the Penn

in the pavers installed in the outdoor plaza. On

PERCH, which is part of the university’s GRASP

Total built area: 70,000-sq.-ft.

the first floor, a set of stairs give purpose to the

program for general robotics, automation, sens-

Major lighting suppliers:

building’s long central spine for hosting presen-

ing and perception. Undergoing testing in the

Bartco Lighting / Beachside Lighting / BK Lighting

tations and seminars. The pattern of tubes above

nearly 30-ft. high space is the Ghost Minotaur.

Edge Lighting / Primus

is random. “Imagine tossing seven sticks in the

Developed by Ghost Robotics, the low-to-the-

air and freezing them in flight,” explains Lira.

ground invention features intelligent legs that

“That’s the effect we were aiming for.”

bounce, react, and conform to an environment.

Photos: Michael Moran Text: Vilma Barr

Adjustable LED accent pendant lights by Edge Lighting were integrated above the bleachers to accommodate different presentation arrange-

Flying robotics are also tested in this space with ceiling nearly 30 ft. high. Exterior lighting offers a patterned atmo-

split and turned into a multi-faceted structural

ments. On the second floor are four biotech

sphere that gives late night workers a respite.

statement. Focus’ charge was to accent the dual

companies that occupy the customizable lab sec-

For the festive outdoor courtyard, a dappled

themes occurring in the facility: the unique

tions. In the center is a 200-seat, open-plan work-

moonlight effect is created by 49 pattern projec-

geometry and the industrial aesthetic. For the

space, as well as private offices for Penn Center

tors utilizing metal halide lamps across the plaza

interior program, a shiny new version of tradi-

for Innovations’ PCI Ventures—an entity which

and courtyard. LED string lights from Primus are

tional loft space—simultaneously smooth and

works with entrepreneurs to develop ideas,

mounted to eight custom-designed poles varying

rough—Focus specified fixtures combining LEDs

build C-suite skills, and locate venture capital to

in height from 15 to 30 ft.

with 48-in. T5 fluorescent tubes. The latter are

bring the research to market. Communal desk

the university’s standard illumination source;

spaces on the second floor are illuminated with

tecture critic, wrote in her review that Kushner

metal halide was employed for exterior use. In

specially arranged fluorescents, as is the space

and Hollwich’s design effectively intersects de-

the main hall, two rows of fluorescent tubes are

above the central bleachers that occupy the

sign, branding, media and social networking.•


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Inga Saffron, the Philadelphia Inquirer’s archi-

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Circle 14

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By Kevin Willmorth, Editor

0–10V Remains a Viable Control Foundation Despite a growing number of smart lighting control options, 0–10V dimming still succeeds in smaller and mid-sized projects.

Controls technologies choices are growing at an alarming rate, with

retail and other commercial installations seeking simple to operate

little cross-manufacturer compatibility. Until universal standards

multiple channel systems. Luminaires using 0–10V can be controlled

close the numerous holes, there are few choices that don’t demand

through DMX interface translators that assign them a DMX address, and

that luminaire selection take a back seat to controls. Wireless control,

digital control codes to 0–10V analog. Northlight, for example, offers a

energy harvesting controls, and multiple channel semi-intelligent

system for eight to 24 channels per translator for just such applications.

control, create issues of compatibility that are not readily resolved.

Eucontrols offers a four-channel translator, while Doug Fleenor Designs

For large scale projects, proprietary controls may be the smart choice

has standard and custom solutions to connect 0–10V luminaires to DMX

to avoid conflicts during commissioning. However, for small and mid-

controls from 12 to as many as 96 channels in a single control interface.

sized projects, this approach is often too expensive or too restrictive

That said, loads connected to DMX translators must be switched on

to the selection of luminaires available. This is where 0–10V dimmed

and off via external relays, usually using a separate DMX module that

lighting products remain a viable option, with an emerging range of

controls circuits feeding multiple luminaires.

adapters to expand this familiar foundation. The advantage of 0–10V is simplicity and reduced issues of compatibility with controls. Where ELV and Triac dimming frequently creates unforeseen control interactions and flicker, 0–10V is more predictable. However, 0–10V is limited in its range of capabilities. To resolve this, 0–10V dimmed luminaires can be connected to newer controls systems through utilization of interface modules that convert an incoming control language (usually digital) to an analog 0–10V


output signal (using current sinking per IEC 60929) suited to 0–10V driver control. For control of 0–10V luminaires using wireless smart devices or

On a similar basis, conversion of digital DALI control information

computer via an app, a Bluetooth to 0–10V interface is required.

to 0–10V analog control is available from several producers. Cooper

The Eulum Casambi translator, with the Casambi iOS or Android

(Eaton) offers its Fifth Light DALI to 0–10V interface to translate DALI to

App available for free, and allow any 0–10V dimmed luminaire to

0–10V. Inventronix offers its WDS series module for DMX to 0–10V. Both

be controlled locally using a standard Bluetooth connection. Each

include integrated relay features to enable switching the connected

Casambi translator controls up to four channels from one translator.

luminaires fully off and on, eliminating off-state power consumption.

Switching of luminaires on and off requires an external relay control, which can be done with one of the channels.

With the growth of wireless control, a Zigbee wireless to 0–10V interface is available from Thomas Research. This allows any 0–10V

At the source level, Lumenetix offers white light color tunable

luminaire to be integrated into a Zigbee-compliant controls system. The

modules that can be controlled directly with Bluetooth using the

module includes the necessary relay feature to switch luminaire power

company’s app, or 0–10V control. Using a pair of dimmers allows color

on and off in addition to 0–10V dimming functionality. For Enocean

and intensity to be controlled individually. One dimmer, in fact, produces

controls interface, Enocean offers the LEDR conversion module that

a dim-to-warm response. LedEngin offers a similar source module, called

includes both 0–10V dim connection and on-off relay control.

Luxitune, that is controlled via 0–10V, DMX, or Dali, or Bluetooth using a

While 0–10V is not perfect, it is a viable choice for applications

3rd party translator. While not 0–10V compatible, a noteworthy similar

where large-scale dimming systems and complex proprietary

module for direct Bluetooth control is offered by Xicato, delivering a

solutions may be impractical. Where possible, testing of sample

fully integrated solution available in an expanding number of standard

products, luminaires, controls and interface modules, in the desired

products for display and accent lighting. Be aware that on/off control of

combinations, is highly recommended, since the number of possible

these products, however, requires separate relay components.

combinations is infinite.•

Alternatively, the maturity and familiarity of DMX makes it an attractive control head for medium scale applications in restaurant, hospitality, entertainment, conference centers, educational facilities,


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Evoke inspiration.

Imagine the possibilities...Having complete control at your fingertips. Maintenance? What maintenance? To never have to open your fixtures to change the intensity, or to create that dramatic effect you’ve been looking for! The INSPIRATION Control System™ iOS® App enables control of B-K Lighting’s Bluetooth® Wireless Technology featuring BKSSL® Power of ‘e’ with Adjust-e-Lume® Nite Star™ and Power of C™ with Color Tuning Technology Denali Series™ floodlights. What could be more inspiring?

.com What will inspire you? Circle 15 B-K_Half_page_ArchSSL_February_2017.indd 1

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Circle 08

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By Kevin Willmorth, Editor

Finding Uniformity Duv, not CRI or CCT, is often the culprit in mismatched fixtures; it and other issues must be factored in the decision-making process.

When lighting products are sourced from several manufacturers

that manufacturers can do very little to change the CCT of their

and placed in the same spaces, in visual range of one another, small

product, as LEDs employed generally cannot be readily swapped out

differences in apparent light color will become evident. This is a

to match other products and/or manufacturers. Therefore, it’s critical

complicated problem that requires understanding of the issues

to evaluate products from a variety of producers until the desired

involved. From this, strategies can be put in place to avoid mismatches

combinations can be found. This will require a review of submittals to

that will inevitably occur.

ensure that alternatives do not short-circuit uniformity.

Solid-state products, like all other light sources, will exhibit

Uniformity can also be addressed in design approach. When using

variation in color and intensity based on binning, time of manufacture,

direct products (downlights), with indirect (cove, wall and ceiling

temperature conditions, recipes used by different brands in phosphor

wash), or diffuse (pendants, luminous surfaces), consider purposefully

mixes, and optical interaction within the luminaires themselves. For

selecting a warmer CCT for the direct and indirect lighting, or a cooler

these reasons, it is unreasonable to expect that luminaires comprised

CCT for the diffuse luminous surfaces. For example, a 3500K downlight

of disparate LED sources mounted inside any variation or combination

or wash luminaire, with a 4000K luminous pendant or luminous body,

of optical, transmissive, and reflective components to be perfectly

may appear more acceptable than a singular CCT.

uniform with all other products. Approaches to SSL source packaging that deliver minimal color deviation include remote phosphor and discrete color LEDs, such as RGB, RGBW, RGBAW, with sensors and feed-back electronics that balance the color of each LED color to ensure output color and brightness is maintained. These are not always practical solutions. A significant issue in realizing color uniformity, frequently missed,

Do not assume that manufacturers utilize the same LEDs throughout their product lines, and thus will be uniform. Most manufacturers use a range of sources, sometimes from different LED manufacturers.

is the mismatch between “catalog” CCT and actual output CCT. Catalog data is represented in rounded values—3000K, 4000K, etc.—that generally represent what the CCT of their products deliver based on

When possible, sample products being used to verify color

the LEDs employed. Actual color, however, may vary by ±250K. This has

consistency. Avoid mixing white light technologies such as phosphor

nothing to do with CRI or TM30 or even “R9” value. In addition to CCT,

conversion and RGB, for example, as this will almost always

a value of significant impact on apparent uniformity is Duv value—the

create uniformity issues that cannot be resolved. Do not assume

deviation above or below the Planckian locus. A positive Duv appears

that luminaire manufacturers utilize the same LEDs throughout

green, a negative value appears magenta. Duv shifts of greater than

their product lines, and thus will be uniform. Most manufacturers

0.003 are readily apparent. CCT and Duv are the core reasons products

market products made using a range of sources from more than one

of the same CCT appear non-uniform.

manufacturer, from different bins and over a range of updated cycles.

Other factors involved in how light is directed or diffused aggravate differences in light source uniformity. Diffuse reflective and transmissive materials will shift CCT values warmer. This effect

Uniformity issues can occur within a single manufacturers product line as readily as mixing manufacturers on one project. With proper investigation, selection and design strategies,

can be as great as 400 CCT compared to a product viewed directly or

uniformity can be optimized. Since each manufacturer has their own

controlled with specular optics. Operating temperatures, LED aging

standards of uniformity, differences between disparate manufacturers

and operating temperature will all have an effect on uniformity.

will likely not be considered a warranty issue. Because of this,

Predicting and controlling uniformity begins with carefully

uniformity must be addressed during the design and product selection

reviewing manufacturer’s LM79 test data, which includes the specific

phase of a project, and not left to assumptions that general CCT or CRI

CCT of the product output. Hold products mixed on a project to within

values will produce the desirable result.•

±100 CCT of one another, with similar Duv values—preferably less than 0.003. Never use products with a positive Duv in the same space as those with a negative Duv, even if the CCT is identical, as this is will result in the common green-magenta difference. That said, be warned


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2017GILE-Architectural SSL-228X276MM-OP-ENG.pdf 2 2016/8/26 16:24:36









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Product Introductions

Form Plus Function The Entourage pendant is just one of the new fixtures highlighted in the new “Material Design Lighting” catalog from Linea Light Group. The collection highlights the pairing of unusual materials—in this case finish options that include opal polystyrene, concrete, corten and chalk—with modernist forms and advanced LED control technology.  Visit or Circle 291.

Velocity is king with product development. The trick is getting things moving—infusing the time and capital necessary to complete tasks in a timely manner to create the momentum to see it realized.

1 Tilt It Available in pendant, sconce and surface-mount models, the Tilt family features field-adjustable 360-degree pan and 30-degree tilt optics that lock into place without tools. Developed by v2 Lighting Group, the fixtures feature 6-in.-wide cylinders that can be ordered in lengths ranging from 7 to 15.4 in.  Visit or Circle 292.

2 A Chip Off the Old… The BeveLED Block luminaire from USAI Lighting can fully enlcose surface-mounted junction boxes in concrete ceilings bringing a clean-lined look to industrial-styled residential and retail settings.  Visit or Circle 293.

3 Fill the Aisles Poised to take the place of fluorescent fixtures in supermarket-type applications, the Stellina fixture from Amerlux includes dimming capabilities, along with motion and photocell sensors. Additionally, data-collection capabilities can help retailers track how shoppers navigate their stores.  Visit or Circle 294.


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Product Introductions

Slim Pickings When turned off, the Vaero pendant could look like an elegantly streamlined sculptural room accent; but when illuminated, it becomes a super-slim, hovering light disk. Designers at Zumtobel created the fixture for even, stripe-free up- and down-lighting, with even distribution from the central light source to the edge. The company says the added option of its “tunableWhite” technology will be available to specifiers this spring.  Visit or Circle 295.

SSL is finally catching up to tried-and-true controls strategies with dimming drivers and line voltage LED products now capable of working on what are now conventional controls interfaces.

4 For Emergency Situations The HotSpot Plus LED Driver & Emergency System from Fulham Co combines both dimmable and emergency LED drivers, along with a replaceable battery backup, eliminating the need for a separate emergency system.  Visit or Circle 296.

5 Powered By a New Chip Lumenpulse began the design of its new Lumenalpha line with a newly developed LED chip and a proprietary thermal management system, and paired these with custom optics designed for a range of high-end downlight and spotlight applications.  Visit or Circle 297.

6 Escher Inspiration The Escher sconce’s rectilinear forms interlock in a manner resembling the puzzle paintings created by its namesake artist. Designed by Modern Forms for vertical or horizontal mounting, the sconce can create dramatic light-and-shadow patterns that shift as output dims.  Visit or Circle 298.

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Product Introductions

360-Degree Distribution In round or square shapes, Purelight fixtures from Selux provide 360 degrees of indirect illumination, evenly diffused, thanks to an interior, perforated reflector and a secondary diffuser. The fixtures can be hung as pendants and surface-mounted on walls and ceilings. Designers also can specify Selux’s My White option, to provide digitally adjustable tunable-white functionality.  Visit or Circle 299.

Product innovations often start as noise during investment cycles, until they mature into newsworthy advances. The emergence of SSL technology is rich with this.

1 Zip It Lighting doesn’t get more minimalist than the ZipThree Wall Mount fixture from Vode Lighting, with its bidirectional design that serves both ceiling-wash and wall-grazing functions. The upand down-facing channels can be controlled and dimmed independently, and the fixture also can be installed to illuminate only the ceiling or wall.  Visit or Circle 300.

2 Halo Effect The five halo-like ellipses that create the cascading form of the Anillo Ellipse 5 Light Cascading Pendant can custom crafted in a range of sizes and colors. The cable-hung fixtures from 2nd Ave Lighting appear to rotate in space.  Visit or Circle 301.

3 Come Out of the Cold Parking structures aren’t known for their welcoming environments, but Cree’s latest extension to its IG Series are now available in warmer color temperatures—options include 3000K, 4000K and 5700K— and with standard 0–10V dimming.  Visit or Circle 302.


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Product Introductions

Survey Says Tech Lighting has entered the outdoor lighting category with a new 24-fixture collection that includes column, bollard, path and wall lights. Like all the products in the catalog, the Turbo bollard (also offered in column and pathway models) features a marine-grade finish. The Turbo family’s decorative fins create a symmetrical, geometric light distribution which can be specified in either a 20- or 40-degree beam spread.  Visit or Circle 303.

Until universal standards close numerous holes, there are few choices that don’t demand that luminaire selection take a back seat to controls.

4 Hidden Lines of Light Focal Point’s 2- and 4-in. wide Seem 2 and Seem 4 Perimeter luminaires fit into both grid and drywall ceilings to create nearly invisible sources of ambient illumination. The 2-1/2-in.-deep fixtures can be ordered in 1-ft. increments for uninterrupted lines.  Visit or Circle 304.

5 Driving Better Performance Designed as a retrofit kit for high-output CFL and HID fixtures, the DRVH from Terralux matches the output of up to a 175-watt HID lamp in vertically mounted downlights. The unit allows the original fixture to be reused, minus the ballast and bulb.  Visit or Circle 305.

6 Built-in Sensor SEPCO has brought modern-day functionality to a classic. The full cut-off acorn-style LED fixture is powered by integral solar-panel assemblies paired with batteries to enable a minimum of five days of autonomous operation. Several options are available for mounting the solar panels, with poles offered in five finishes.  Visit or Circle 306.

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2/3/17 12:29








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NEXT ISSUE: Our third annual Lightfair show companion takes a look at products and projects ranging the entire gamut of the SSL world including those found in interiors and exteriors; those that are decorative and functional, controls and specialty lighting. SSL Editor Kevin Willmorth and regular contributor Vilma Barr will also offer insights into trends affecting lighting design as a whole within these segments, but they’ll also include tips and suggestions for product and session visits that will make the show worth your while. And if you’re not going, well, simply experience some inspiring projects and products that may help you deliver equally satisfying results.



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Registration is open for the architecture and design event of 2017!

AIA Conference on Architecture 2017 Orlando April 27–29

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Velocity-Killers on the Snowy Road of Progress Like driving down a snow-laden mountain, product development is an adventure. The key is balancing speed to maintain momentum without crashing into a ditch. Hurtling down an unknown mountain road in a

the time and capital necessary to complete tasks

include the moving target of constantly chang-

in a timely manner to create the momentum

ing component availability. Further, changes in

necessary to see the product realized. Velocity is

standards and metrics, such as CRI to TM-30-15,

king. Without it, inevitable snags and stalls can

dimming specifications, UL requirements, or

stop projects and bury them under the weight

evolution in DLC qualification, are examples

of competing priorities. However, moving too

of moving targets that kill hard-won velocity.

quickly can cause a loss of control, putting proj-

Committees and standards groups are notori-

ects in a ditch.

ously insensitive to this, stranding developers in

For many, copying products originated by

unseen snow banks.

snow storm well ahead of the plows is exhilarat-

others is more comfortable. Let others blaze the

ing—something that transforms an otherwise

trail. In solid-state lighting, the velocity in adop-

numerous snow road adventurers. Color Kinetics

mundane trip into an adventure. Doing so at

tion of LED technology was initially slowed by

was perhaps the first manufacturer to brave the

night is even more magical given the combina-

timid plowed-road travelers. Now that the mar-

stormy road of solid-state product development

tion of lights, an obscure path and the mesmer-

ket has been cleared, the fear of ice has melted,

to deliver products that nailed the timing and

izing tracery of falling snow dancing in the

and the mass of available products has exploded.

latent demands of a market others missed. LED

headlights. The trick to survival is attaining a

Adventure takes a back seat to the safety of open

technology is a product of numerous snow road

sustainable velocity that is strong enough to

roads to profitability.

travelers. Without them, there would be no LEDs

keep moving, but not so quick that directional

The lighting market has benefitted from

In product development, errors, technical

at all. In the last couple of years, there has been

control is lost. Losing velocity stops forward

failures, fussy details, mission creep and delays

fresh introduction of truly interesting new prod-

progress—sinking the entire effort into the cold

caused by outside resources—test facilities,

ucts, elevating hope that more are on the way

white abyss. This can be an issue if the snow is

vendors, etc.—are all velocity killers, slowing

for 2017. So, if you are driving hard through the

falling hard enough to bury the adventure.

progress and chilling momentum. Put enough of

storm on the snowy road of innovative product

them in front of a project, and progress stops in

development, good luck and many thanks. As

a snowy mountain road in the dark. Moving new

its tracks, demanding more expenses of time and

we enter another year in the great adventure

ideas into realization without someone clearing

energy to re-engage and recover. However, the

of solid-state lighting evolution, I hope to see

the path ahead, is clearly an adventure. The pro-

greatest velocity killer in snow road adventuring

more brave adventurers delivering fresh new

cess also requires a great deal of energy to push

is a lack of forward vision.

products from braving unplowed roads.•

Product development is a lot like driving down

the mass of projects forward through the flurry

Pre-planning creates rough roadmaps and

of obstacles. Forward momentum is a product

goals before embarking on the journey. Like

of the capital invested and time commitment of

wipers that keep the windscreen clear and

individuals involved, multiplied by how efficient

lights that reach far enough forward to provide

the process is at achieving a desired result. As

vision of what’s ahead, planning gives drivers of


projects move forward—the mass of completed

the process a sense of direction. No planning is

Kevin Willmorth, a lighting expert and fixture designer,

work, and energy behind it—adds to total veloc-

perfect. Lurking beyond the challenges of meet-

has been instrumental in helping create a vision and

ity. The trick is getting things moving, to infuse

ing known requirements, emerging technologies

mission statement for Architectural SSL.


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Refined Power Delivering Over 4000 lumens and superior beam control, it’s the only high-powered track head you’ll ever need

Gravity™ High Ceiling Accent Lighting Introducing the new Gravity track and recessed multiple luminaires, featuring a 2 SDCM LED light engine paired with custom optics capable of delivering over 40,000 CBCP. For exceptional illumination that’s consistent across an entire space, experience the complete family of Gravity downlights, cylinders, track and recessed multiples at


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ArcheType X Site shown with SiteSync™ Lighting Control

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Architectural SSL - February 2017