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Toshiba’s GaN-on-Silicon ultra small LED emitters

CoB Soleriq P9 from Osram.

Sharp’s tuneable white mid-power LED device.

and 2700K are also under development.

the CCT, between 2100K and 4300K, and light intensity (flux). Tracking along the same tune curve, the existing halogen style dimming mode allows users to dim from 3000K to 1800K. In both modes of operation, the tune curves have been precisely designed to stay a short distance below the black body locus throughout the tuning range, resulting in more vibrant colours. Additionally, LuxiTune 2.0 has newly added DMX control functions, such as switching in between halogen dim and CCT tune modes. Providing high lumen density and Luxon-Target performance, LuxiTune has a luminous flux of 1100 lumens, equivalent to a 60W halogen lamp. Luminous efficacy is 63 lm/W at temperature including the secondary optic, far higher than that of rival products. At full intensity, CRI is 90 and LuxiTune maintains a CRI average of 85 as it dims. LED Engin showcased Gallery White, the world’s most compact emitter for directional lighting boasting an exceptional CRI of 98. Designed for high-end applications, including retail outlets, galleries and museums where accurate colour representation is vital, Gallery White offers high colour fidelity in warm white light (3000K) and achieves impressive individual R values (R1-R15) to

enhance the contrast of retail merchandise, artwork and skin tones. Available in a range of package sizes for different power ratings from 10W to 80W, the emitters deliver between 480 and 3450 lumens output.

OSRAM Osram launched its first chip-on-board LED, the Soleriq P9, which is suitable for compact powerful spotlights such as the ones used in retail outlets and museums. The P9 has a light emitting surface with a diameter of only 9mm (64 mm²) but produces an impressive 2000 lm and has a luminous efficacy of 100 lm/W (at a temperature of 85 °C and 3000 K). The light emitting surface is therefore around 50 percent smaller than that of the existing Soleriq S13 versions but at 2000lm the LED delivers twice as much light with the same efficiency. The P9 is available in colour temperatures of 2700K to 5000K at CRI 80 and 2700K to 4000K at a CRI 90. The package dimensions are 15mm x 15mm and the beam angle is 120 degrees. SHARP Sharp Devices in Europe showed off their colour tuning LEDs by entirely lighting their stand with the technology. Their stand was bathed in all white colours between 2,700K (warm) and 5,700K (cold), a sequence made possible by an automatic program controlling all the tuneable white LED devices. Besides the COB-based Tiger ZENIGATA already released by Sharp, the booth also featured prototype versions of Sharp’s new tuneable white mid-power LED device based on SMD technology. This mid-power device’s dimensions – 4.2 x 3.0 x 0.9mm – and its unique design with two integrated CCTs will make it easy to incorporate into any luminaire. Besides, any CCT combination can be customised to a lighting designer’s wishes. LED ENGIN Following on in a similar theme of colour tuning, LED Engin unveiled its generation 2.0 LuxiTune LED emitter module with added tuneability and connectivity. The new version of LuxiTune offers many additional features including a Correlated Colour Temperature (CCT) tuning function that enables users to separately adjust

PHILIPS LUMILEDS Philips Lumileds announced an efficacy upgrade to the Luxeon Z ES emitter of 18% over previous 2013 models. The Luxeon Z ES is 75% smaller than a standard 3535 package and measures only 1.6 x 2.0mm in size featuring an undomed design enabling close packing density of the LEDs in space-constrained applications. In addition to upgraded performance across the existing portfolio, Philips Lumileds has introduced new 4000K and 5700K emitters in the 90 CRI range to address needs in stadium and museum lighting whilst colour consistency of the LUXEON Z ES is ensured by the emitters’ 5-, 3- and first-ever 1-step MacAdam Ellipse binning options. COOLEDGE A relatively new US company, Cooledge launched its range of light sheets which is a new light source medium that combines the mechanical, electrical and LED source together into a flexible sheet of

LED Engin Gallery White spectral output showing high CRI achieved.

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mondo*arc Jun/Jul 2014 - Issue 79  

mondo*arc is the leading international magazine in architectural lighting design. Targeted specifically at the lighting specification market...

mondo*arc Jun/Jul 2014 - Issue 79  

mondo*arc is the leading international magazine in architectural lighting design. Targeted specifically at the lighting specification market...

Profile for mondiale