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:
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
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