发明名称 |
COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE |
摘要 |
Provided is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, fully secured of driving stability, and simply constructed. The EL device has a light-emitting layer disposed between an anode and a cathode stacked one upon another on a substrate and the light-emitting layer comprises a phosphorescent dopant and an indolocarbazole derivative as a host material. Examples of the indolocarbazole compounds include a compound represented by the following formula (2) or (3), wherein X is N or CH, at least one of Xs is N, and Ar 1 to Ar 3 each is a substituted or unsubstituted aromatic group. |
申请公布号 |
EP2080762(A1) |
申请公布日期 |
2009.07.22 |
申请号 |
EP20070831459 |
申请日期 |
2007.11.08 |
申请人 |
NIPPON STEEL CHEMICAL CO., LTD. |
发明人 |
KAI, TAKAHIRO;KOMORI, MASAKI;YAMAMOTO, TOSHIHIRO |
分类号 |
C07D487/04;C07D519/00;C09B57/00;C09B57/10;C09K11/06;H01L51/54;H05B33/14 |
主分类号 |
C07D487/04 |
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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