COMPOUND CONTAINING FUSED RING AND ORGANIC ELECTROLUMINESCENT ELEMENT EMPLOYING THE SAME
申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP1808433A1
公开(公告)日:2007-07-18
Provided is a condensed ring-containing compound having a condensed dicyclic group having a specific structure and carbazolyl groups and/or indolyl groups, and further provided is an organic electroluminescent device in which an organic thin film layer comprising a single layer or plural layers having at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer contains the condensed ring-containing compound described above in the form of a single component or a mixed component, whereby a current efficiency and a heat resistance are high, and a lifetime is very long.
本发明提供了一种具有特定结构的缩合二环基团和咔唑基团和/或吲哚基团的缩合含环化合物,并进一步提供了一种有机电致发光器件,在该器件中,在阴极和阳极之间插入了一个有机薄膜层,该薄膜层由单层或多层组成,至少具有一个发光层、在上述有机薄膜层中,至少有一层以单组分或混合组分的形式含有上述缩合环状化合物,因此电流效率和耐热性高,使用寿命长。