申请人:IDEMITSU KOSAN CO., LTD.
公开号:EP1749809A1
公开(公告)日:2007-02-07
Asymmetric pyrene derivatives having specific structure. An organic EL device comprising at least one organic thin film layer including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises at least one kind selected from the aforementioned asymmetric pyrene derivatives singly or as a component of mixture thereof.. An organic EL device exhibiting a great efficiency of light emission and having a long lifetime, and also asymmetric pyrene derivatives for realizing the organic EL device are provided.
具有特定结构的不对称芘衍生物。一种有机电致发光器件,包括至少一个有机薄膜层,该薄膜层包括夹在由阳极和阴极组成的一对电极之间的发光层,其中有机薄膜层包括至少一种选自上述不对称芘衍生物的单个或作为其混合物成分的衍生物。本发明提供了一种发光效率高、寿命长的有机电致发光器件,以及用于实现该有机电致发光器件的不对称芘衍生物。