发明名称 |
OXYNITRIDE PHOSPHOR AND LIGHT-EMITTING DEVICE |
摘要 |
<p>A preferred embodiment according to the present invention provides as one preferred mode an oxynitride phosphor especially suitable for a light emitting device such as but not limited to a white light emitting diode lamp and also such a light emitting device. The oxynitride phosphor in the embodiment is represented by a general formula Ca x (Si, Al) 12 (O, N) 16 :Eu 2+ y , wherein a Ca composition of x is in a range of from 0.75 to 1.0 and a Eu composition of y is in a range of from 0.04 to 0.25, and wherein a main phase thereof has substantially an alpha SiAlON crystal structure.</p> |
申请公布号 |
EP1736525(B1) |
申请公布日期 |
2011.10.05 |
申请号 |
EP20050726717 |
申请日期 |
2005.03.18 |
申请人 |
FUJIKURA LTD.;NATIONAL INSTITUTE FOR MATERIALS SCIENCE |
发明人 |
SAKUMA, KEN;HIROSAKI, NAOTO |
分类号 |
C09K11/64;C09K11/08;C09K11/77;H01J1/62;H01L33/00;H01L33/32;H01L33/50;H01L33/56;H01L33/60;H01L33/62;H05B33/14 |
主分类号 |
C09K11/64 |
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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