发明名称 |
Compound for use in organic electroluminescent device and organic electroluminescent device |
摘要 |
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.
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申请公布号 |
US7993760(B2) |
申请公布日期 |
2011.08.09 |
申请号 |
US20060085447 |
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 |
H01J1/63;C07D487/04;C09K11/06 |
主分类号 |
H01J1/63 |
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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