Low blue light hazard for tunable white light emitting diode with high color fidelity and circadian performances

Jingxin Nie,Zhizhong Chen,Fei Jiao,Jinglin Zhan,Yifan Chen,Yiyong Chen,Zuojian Pan,Xiangning Kang,Yongzhi Wang,Qi Wang,Tianhang Zhou,Weimin Dang,Wentian Dong,Shuzhe Zhou,Xin Yu,Guoyi Zhang,Bo Shen

Optics & Laser Technology（2021）

引用 12|浏览25

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摘要

•Mixing purple and azure LEDs obtains blue light perception and reduces its hazard.•New algorithm is developed to reduce independent variables in mixed light simulation.•BLHER of the mixed white light at 2500 to 7000 K is straight low as 0.06.•High color fidelity and circadian performances with tunable CCT are achieved.

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关键词

Light emitting diode,Blue light hazard,Color fidelity,Circadian action factor

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