Inside the 7.5W 1,500 lm (200 lm/W) prototype, called TLED, there are separate red green and blue LEDs, and the green is particularly interesting. All made by Lumileds, a Philips spokes woman told Electronics Weekly, the blue (InGaN) and red (likely to be AlInGaP) are direct emitters.
Originally posted here:
Philips’ novel LED/phosphor combination hits 200 lm/W in warm(ish) white
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