Nitrogenous heterocycle derivative, and organic electroluminescent element employing the same
申请人:Idemitsu Kosan Co., Ltd.
公开号:US07833632B2
公开(公告)日:2010-11-16
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, R1a to R5a each represent a substituent, Ar1a to Ar3a 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). R6a to R10a each represent a substituent.
提供了一种用于实现有机EL器件的材料,该有机EL器件在低电压下仍能具有高电流效率。提供了一种杂环化合物的衍生物,该杂环化合物具有由以下通式(A-1)或(A-2)表示的含氮原子。在公式中,R1a到R5a分别表示取代基,Ar1a到Ar3a分别表示单键或双价连接基团,而HAr表示由通式(A-3)或(A-4)表示的基团。R6a到R10a分别表示取代基。