发明名称 |
COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT AND ORGANIC ELECTROLUMINESCENT ELEMENT |
摘要 |
<p>Disclosed are an organic electroluminescent device (organic EL device) which is improved in luminous efficiency, fully secured of driving stability, and simple in constitution and a compound for use therein. The organic electroluminescent device comprises a light-emitting layer disposed between an anode and a cathode piled one upon another on a substrate and the light-emitting layer contains a phosphorescent dopant and a compound for use in an organic electroluminescent device having two or more indolocarbazole skeletons as a host material. An example of the compound having indolocarbazole skeletons for use in the device is expressed by the following formula.</p> |
申请公布号 |
EP1956022(B1) |
申请公布日期 |
2012.07.25 |
申请号 |
EP20060833112 |
申请日期 |
2006.11.22 |
申请人 |
NIPPON STEEL CHEMICAL CO., LTD. |
发明人 |
KOMORI, MASAKI;YAMAMOTO, TOSHIHIRO;KAI, TAKAHIRO;HOTTA, MASANORI |
分类号 |
C07D519/00;C07D487/04;C09K11/06;H01L51/54;H05B33/20 |
主分类号 |
C07D519/00 |
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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