Nichia is claiming almost a CRI of ~100 without resorting to a UV die. The firm, which was a phosphor maker before it invented GaN blue LEDs, has combined a 420nm die with five phosphors: Apatite blue, silicate-based, LuAG, SCASN and an improved MGF. What this Apatite was, was not revealed at LuxLive, but last ...
This story continues at LuxLive: Nichia leds approach CRI=100 without UV die
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from Electronics Weekly https://www.electronicsweekly.com/blogs/led-luminaries/luxlive-nichia-leds-approach-cri100-without-uv-die-2017-11/
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