发明名称 LIGHT-EMITTING DEVICE
摘要 There is realized a light-emitting device that emits, with high efficiency, white light with excellent color rendering index in a lamp color region. A light-emitting device (1) of the present invention is a light-emitting device (1) for emitting white light in a lamp color region, including at least a light-emitting element (2) for emitting blue light, an orange fluorescent material (13) which absorbs the blue light so as to emit orange light, and a red fluorescent material (14) which absorbs the blue light so as to emit red light, the orange fluorescent material (13) being a Ce-activated CaAlSiN3 fluorescent material in a solid solution crystal form in which Ce and oxygen are dissolved in a crystal having a composition of cCaAlSiN3.(1-c)LiSi2N3 where 0.2@c@0.8.
申请公布号 US2013207146(A1) 申请公布日期 2013.08.15
申请号 US201113811996 申请日期 2011.07.15
申请人 YOSHIMURA KENICHI;TAKAHASHI KOHSEI;FUKUNAGA HIROSHI;HIROSAKI NAOTO;SHARP KABUSHIKI KAISHA 发明人 YOSHIMURA KENICHI;TAKAHASHI KOHSEI;FUKUNAGA HIROSHI;HIROSAKI NAOTO
分类号 H01L33/50 主分类号 H01L33/50
代理机构 代理人
主权项
地址