发明名称 |
Light emitting device having phosphor of alkaline earth metal silicate |
摘要 |
The light emitting device has a light emitting diode which is made of a nitride semiconductor and a phosphor which absorbs a part of lights emitted from the light emitting diode and emits different lights with wavelengths other than those of the absorbed lights. The phosphor is made of alkaline earth metal silicate fluorescent material activated with europium.
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申请公布号 |
US6943380(B2) |
申请公布日期 |
2005.09.13 |
申请号 |
US20030451864 |
申请日期 |
2003.06.30 |
申请人 |
LEUCHSTOFFWERK BREITUNGEN GMBH |
发明人 |
OTA KOICHI;HIRANO ATSUO;OTA AKIHITO;TASCH STEFAN;PACHLER PETER;ROTH GUNDULA;TEWS WALTER;KEMPFERT WOLFGANG;STARICK DETLEF |
分类号 |
H01L33/50;C09K11/77;H01L33/06;H01L33/32;H05B33/20;(IPC1-7):H01L33/00 |
主分类号 |
H01L33/50 |
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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