发明名称 |
Organic electroluminescent device having high luminance efficiency |
摘要 |
An organic EL device includes a hole transport layer and a luminescent layer both disposed between an anode and a cathode. The luminescent layer includes a compound expressed in a general formula [1] as follows:wherein Ar1 represents a substituted or non-substituted arylene group having 5-30 carbons, each of Ar2 to Ar5 independently represents a substituted or non-substituted aryl group having 6-20 carbons, and at least one of Ar2 to Ar5 has a styryl group expressed in a general formula [2] as follows:
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申请公布号 |
US6468675(B1) |
申请公布日期 |
2002.10.22 |
申请号 |
US19990321315 |
申请日期 |
1999.05.27 |
申请人 |
NEC CORPORATION |
发明人 |
ISHIKAWA HITOSHI;TOGUCHI SATORU;ODA ATSUSHI |
分类号 |
H01L51/00;H01L51/30;H01L51/50;(IPC1-7):H05B33/12 |
主分类号 |
H01L51/00 |
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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