发明名称 |
Coated fluorescent substance, light emitting device comprising said substance and a method for producing said substance |
摘要 |
A coated phosphor, formed by a powder of individual grains of a phosphor as base material, the grains being coated with a coating material. The layer comprises a plurality of individual layers and is particulate in form, the individual primary particles of the layer being at least 5 nm in size. The mean layer thickness is at least 20 nm.
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申请公布号 |
US7678293(B2) |
申请公布日期 |
2010.03.16 |
申请号 |
US20050544497 |
申请日期 |
2005.08.04 |
申请人 |
OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG;OSRAM OPTO SEMICONDUCTORS GMBH |
发明人 |
BRAUNE BERT;FRIES TORSTEN;SCHIRMER RAINER;ZACHAU MARTIN;ZWASCHKA FRANZ |
分类号 |
B32B1/00;C09K11/02;C09K11/08;C09K11/77;H01L33/50;H05B33/00 |
主分类号 |
B32B1/00 |
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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