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公开(公告)号:US20120274240A1
公开(公告)日:2012-11-01
申请号:US13458614
申请日:2012-04-27
申请人: Hyo Jin LEE , Jeong Hee KIM , Il Woo PARK , Chang Hoon KWAK , Kyung SEO
发明人: Hyo Jin LEE , Jeong Hee KIM , Il Woo PARK , Chang Hoon KWAK , Kyung SEO
CPC分类号: H01L33/504 , C09K11/0883 , C09K11/7734 , H01L33/0095 , H01L33/502 , H05B33/14 , Y02B20/181
摘要: There is provided a white light emitting device including: a blue LED emitting blue light; a red phosphor excited by the blue light, emitting red light, and including a nitrogen (N)-containing compound; a yellow phosphor excited by the blue light and emitting yellow light; a first green phosphor excited by the blue light, emitting first green light having a first full width half maximum, and including a nitrogen (N)-containing compound; and a second green phosphor excited by the blue light and emitting second green light having a second full width half maximum larger than the first full width half maximum of the first green phosphor.
摘要翻译: 提供了一种白光发射装置,包括:发蓝光的蓝色LED; 由蓝光激发的红色荧光体,发出红色光,并含有含氮(N)的化合物; 由蓝光激发的黄色荧光体发出黄光; 由蓝色光激发的第一绿色荧光体,发射具有第一全宽半最大值的第一绿色光,并且包括含氮(N)的化合物; 以及由蓝色光激发的第二绿色荧光体,并且发射具有大于第一绿色荧光体的第一全宽度半值的第二全宽度半值的第二绿色光。