| 发明名称 |
BIS-CARBAZOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME |
| 摘要 |
A biscarbazole derivative represented by formula (1):
wherein A 1 , A 2 , L 1 , L 2 , R 1 to R 4 , and a to d are as defined in the specification, is useful as a material for forming organic EL devices and the organic EL devices including the derivative is capable of driving at a low voltage and has a long lifetime. |
| 申请公布号 |
EP2690093(A1) |
申请公布日期 |
2014.01.29 |
| 申请号 |
EP20120759920 |
申请日期 |
2012.03.21 |
| 申请人 |
IDEMITSU KOSAN CO., LTD.;MITSUI CHEMICALS, INC. |
发明人 |
KATO, TOMOKI;YABUNOUCHI, NOBUHIRO;FUJIYAMA, TAKAHIRO |
| 分类号 |
C07D209/86;C07D209/88;C09K11/06;H01L51/50 |
主分类号 |
C07D209/86 |
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