发明名称 |
Organic element for electroluminescent devices |
摘要 |
A phosphorescent electroluminescent device comprising a light-emitting layer containing a host material and a phosphorescent light-emitting material wherein the host material comprises a boron compound containing at least one boron-nitrogen bond. Such devices provide useful light emissions.
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申请公布号 |
US7074502(B2) |
申请公布日期 |
2006.07.11 |
申请号 |
US20030729245 |
申请日期 |
2003.12.05 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
VARGAS J. RAMON;DEATON JOSEPH C. |
分类号 |
H05B33/14;H01L51/00;H01L51/30;H01L51/50 |
主分类号 |
H05B33/14 |
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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