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Originally Posted by Quoth
Also I don't see a claim of good CIR
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The Optics and Photonics News article quotes a CRI of 88.
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They are not true white but multiple colours on one chip. It's experimental.
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Hard to do white light without multiple colours, by definition!
The spectrum of conventional phosphor-coated white LEDs is hardly flat either - typically a sharp blue peak from the LED and a wider yellow peak from the phosphor, though different combinations are available.