发明名称 |
LIGHT EMITTING DEVICE |
摘要 |
A light emitting device which has a light emitting element having a light emitting layer comprising two layers of III Group nitride type compound semiconductor, wherein the layers have different AlGaInN compositions from each other, and emitting a light having a peak wave length in the ultraviolet region and another light having a peak wave length in the visible region, and a phosphor which is excited by the ultraviolet light emitted by the above element.
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申请公布号 |
WO02056391(A1) |
申请公布日期 |
2002.07.18 |
申请号 |
WO2002JP00003 |
申请日期 |
2002.01.04 |
申请人 |
TOYODA GOSEI CO., LTD.;KOZAWA, TAKAHIRO;SHIBATA, NAOKI |
发明人 |
KOZAWA, TAKAHIRO;SHIBATA, NAOKI |
分类号 |
H01L27/15;H01L33/10;H01L33/32;H01L33/50;H01L33/52;H01L33/62;(IPC1-7):H01L33/00 |
主分类号 |
H01L27/15 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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