发明名称 |
Compound for 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 of simple constitution and a compound useful for the fabrication of said organic EL device. The compound for the organic EL device has an indolocarbazole structure or a structure similar thereto in the molecule wherein an aromatic group is bonded to the nitrogen atom in the indolocarbazole. The organic EL device has a light-emitting layer disposed between an anode and a cathode piled one upon another on a substrate and said light-emitting layer comprises a phosphorescent dopant and the aforementioned compound for an organic electroluminescent device as a host material.
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申请公布号 |
US8008657(B2) |
申请公布日期 |
2011.08.30 |
申请号 |
US20080600773 |
申请日期 |
2008.05.28 |
申请人 |
NIPPON STEEL CHEMICAL CO., LTD. |
发明人 |
KAI TAKAHIRO;KOMORI MASAKI;YAMAMOTO TOSHIHIRO;NOGUCHI KATSUHIDE;MIYAZAKI HIROSHI |
分类号 |
H01L35/24 |
主分类号 |
H01L35/24 |
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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