Emitting device, and a lighting device
2008
High secondary light color purity, and to obtain a fast light-emitting device response speed. The resin (14) which seals the LED chip (13) which emits blue light, and absorbs some of the blue light, KSF phosphor emitting red light (15) and the CASN phosphor (16) dispersed, KSF phosphor (15) emits red light by forbidden transitions absorbs blue light, CASN phosphor (16) emits red light by allowed transition absorbs blue light.
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KQI