[EN] BIS- AND TRIS-(DI)BENZOCARBAZOLE-BASED MATERIALS AS HOLE TRANSPORT MATERIALS FOR ORGANIC LIGHT EMITTING DEVICES<br/>[FR] MATIERES A BASE DE BIS- ET TRIS-(DI)BENZOCARBAZOLE EN TANT QUE MATIERES POUR LE TRANSPORT DE TROUS DESTINEES A DES DISPOSITIFS ORGANIQUES D'EMISSION DE LUMIERES
申请人:CANON KK
公开号:WO2003059014A1
公开(公告)日:2003-07-17
Compounds according to formula I or formula II
Bis- and tris- (di) benzocarbazole-based materials as hole transport materials for organic light emitting devices
申请人:——
公开号:US20030186077A1
公开(公告)日:2003-10-02
Compounds according to Formula I
1
wherein one or two of Ar1-4 are present, R is selected from the group consisting of H, CH
3
, OCH
3
or halogen, and Ar is an aryl bridge. Such compounds are suitable for use in organic light-emitting devices. These compounds exhibit both hole transport and emissive properties and have a high glass transition temperature and thermal stability.