发明名称 |
Novel heterocyclic compounds, materials for light emitting devices and light emitting devices using the same |
摘要 |
Disclosed is a material for a light emitting device excellent in color purity, good in light emitting characteristics and excellent in stability, which consists of a compound represented by the following general formula (I): LA)m (I) wherein A represents a heterocyclic group in which two or more aromatic heterocycles are condensed; m represents an integer of 2 or more, and the heterocyclic groups represented by A may be the same or different; and L represents a connecting group.
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申请公布号 |
US2003091861(A1) |
申请公布日期 |
2003.05.15 |
申请号 |
US20020224377 |
申请日期 |
2002.08.21 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
OKADA HISASHI;ISE TOSHIHIRO |
分类号 |
C07D471/04;C07D519/00;H01L51/00;H01L51/30;H01L51/50;(IPC1-7):H05B33/12;C09K11/06 |
主分类号 |
C07D471/04 |
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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