发明名称 |
Long life, white light emitting electroluminescent phosphor |
摘要 |
A long-life, white-emitting phosphor blend is provided which comprises about 75 wt. % of a first electroluminescent phosphor having an x color coordinate of about 0.530 and a y color coordinate of about 0.455; about 10 wt. % of a second electroluminescent phosphor having an x color coordinate of about 0.185 and a y color coordinate of about 0.440, said second electroluminescent phosphor containing about 600 ppm copper; and about 15 wt. % of a third electroluminescent phosphor having an x color coordinate of about 0.160 and a y color coordinate of about 0.175, said third electroluminescent phosphor containing about 300 ppm copper.
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申请公布号 |
US6702959(B2) |
申请公布日期 |
2004.03.09 |
申请号 |
US20020171737 |
申请日期 |
2002.06.14 |
申请人 |
OSRAM SYLVANIA INC. |
发明人 |
FAN CHEN-WEN;GINGERICH RICHARD G. W. |
分类号 |
C09K11/08;C09K11/00;C09K11/56;C09K11/58;(IPC1-7):C09K11/51;C09K11/54;H05B33/14 |
主分类号 |
C09K11/08 |
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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