Cool3R™
Maximising Lifetime & Improving Efficiency
Cool3R™ ensures that the junction temperature is maintained within an optimum range for both performance and reliable lifetime to L70.
heatsink temp
human body temp
LED junction temp <60º
Keeping LEDs cool is key to long life and efficiency Low LED junction temperatures ensure LED efficiency, long LED life and consistent colour temperature over lifetime.
Competitor
PhotonStar™ Lorem
Competitor
PhotonStar™ Venturi
Typically for every 10ºC increase in junction temperature over 85ºC the LED
18.8W LED
9.2W LED
20.9W LED
9.2W LED
290lm
670lm
623lm
T(heatsink) 46.7ºC
T(heatsink) 45.2ºC
T(heatsink) 73.3ºC
T(heatsink) 44.3ºC
Tb 62.8ºC approx.
Tb 54.4ºC approx.
Tb 93.6ºC approx.
Tb 53.5ºC approx.
most sustainable way to maximise product life in
Tj 73.3ºC approx.
Tj 63.4ºC approx.
Tj 110.82ºC approx.
Tj 62.5ºC approx.
real world environments and applications.
Cool3R™ delivering 13.4% lower Tb in above example
efficiency will drop by 3%, the colour temperature point will shift by 1% and the lifetime will drop by 10,000 hours. Cool3R™ thermal management technology ensures significantly lower junction temperatures can be accomplished in the
50
www.photonstarlighting.co.uk
670lm
Cool3R™ delivering 49% lower Tb in above example
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