It is encouraging!
This is a very warm light!
LED のエネルギー変換効率がどんどんあがってついに
113.6 lm/watt
に達した！
暖色系だし
いわゆる演色性もよい。
This chip, however , is not yet available on the market.
LLF reports 113.6 lm/W from warm-white LED lamp
29 Nov 2007
LED Lighting Fixtures Inc has built a prototype LED-based PAR 38 lamp that produces 659 lm from 5.8 watts of wall-plug power, with CCT of 2760 K and CRI of 91.2.
This is a very warm light!
LED のエネルギー変換効率がどんどんあがってついに
113.6 lm/watt
に達した！
暖色系だし
いわゆる演色性もよい。
This chip, however , is not yet available on the market.
LLF reports 113.6 lm/W from warm-white LED lamp
29 Nov 2007
LED Lighting Fixtures Inc has built a prototype LED-based PAR 38 lamp that produces 659 lm from 5.8 watts of wall-plug power, with CCT of 2760 K and CRI of 91.2.