发明名称 |
NITROGENOUS HETEROCYCLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT EMPLOYING THE SAME |
摘要 |
Provided is a material for an organic EL device realizing an organic EL device capable of having a high current efficiency even at a low voltage. Provided is a derivative of heterocyclic compound having a nitrogen atom represented by the following general formula (A-1) or (A-2). In the formulae, R 1a to R 5a each represent a substituent, Ar 1a to Ar 3a each represent a single bond or a divalent connecting group, and HAr represents a group represented by a general formula (A-3) or (A-4). R 6a to R 10a each represent a substituent.
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申请公布号 |
EP1734038(A1) |
申请公布日期 |
2006.12.20 |
申请号 |
EP20050728853 |
申请日期 |
2005.04.04 |
申请人 |
IDEMITSU KOSAN CO., LTD. |
发明人 |
KAWAMURA, MASAHIRO;YAMAMOTO, HIROSHI;HOSOKAWA, CHISHIO |
分类号 |
C07D235/08;C07D235/18;C07D235/20;C07D401/04;C07D401/14;C09K11/06;H01L51/00;H01L51/50;H05B33/14;H05B33/22 |
主分类号 |
C07D235/08 |
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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