Philips Lumileds CoB LED arrays reportedly increased their maximum efficacy from 118 lumens per watt to 130 lm/W. In warm white, the 9 mm array delivers 2200 lm at 100 lm/W and the cool white array delivers 2500 lm at 105 lm/W. The arrays have a light-emitting surface of 9mm square, 13 mm square...
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Philips Lumileds CoB LED arrays reportedly increased their maximum efficacy from 118 lumens per watt to 130 lm/W. In warm white, the 9 mm array delivers 2200 lm at 100 lm/W and the cool white array delivers 2500 lm at 105 lm/W. The arrays have a light-emitting surface of 9mm square, 13 mm square or 15 mm square. The company contends that these options allow designers to use less expensive optical solutions for ultra-compact luminaires with high center beam candle power.
Philips Lumileds also asserts that the metal-core printed circuit board of the Luxeon CoB substrate provides 4X better heat transfer than competitive solutions. This reportedly translates to up to 40% smaller heat sinks or improved reliability of the lighting system when a larger heat sink is used.
“With the recent improvements in performance, Luxeon CoB is an even better option for a number of general lighting solutions including outdoor, industrial, retrofit lamps, and of course, spotlights and downlights,” said Senders. “Our 90 CRI versions have a typical CRI of 97, which makes them perfect for high Quality of Light applications. Lumen packages are available with CCTs of 2700 to 5700K and CRIs of 70, 80 or 90.”
Philips Lumileds Boosts Efficiency and Lumen Density of Luxeon CoB Arrays
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