Material for an organic electroluminescence device and an organic electroluminescence device
申请人:Idemitsu Kosan Co., Ltd.
公开号:US08119828B2
公开(公告)日:2012-02-21
A material for an organic electroluminescence device represented by the following formula (I):
wherein X1 is one of divalent groups represented by the following (a) to (e); Y1 to Y4 are independently a carbon atom or a nitrogen atom; and R1 to R4 are independently a hydrogen atom, an alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocycle, a halogen atom, a fluoroalkyl group or a cyano group, or R1 and R2, and R3 and R4 are independently bonded to form a substituted or unsubstituted aromatic ring or a substituted or unsubstituted heterocycle.
以下是有机电致发光装置的材料,其化学式如下(I):其中X1是以下(a)到(e)中表示的二价基团之一;Y1到Y4独立地是碳原子或氮原子;而R1到R4独立地是氢原子、烷基、取代或未取代芳基、取代或未取代杂环、卤素原子、氟烷基或氰基,或者R1和R2以及R3和R4独立地结合形成取代或未取代芳环或取代或未取代杂环。