申请人:Sumitomo Chemical Company, Limited
公开号:US10301539B2
公开(公告)日:2019-05-28
Provided is a polymer compound useful for production of a light emitting device excellent in external quantum yield. The polymer compound includes a constitutional unit represented by the formula (1):
wherein a1 and a2 represent 0 or 1, ArA1 and ArA3 represent an arylene group or the like, and in each of ArA1 and ArA3 at least one atom adjacent to an atom forming a bond to the constitutional unit adjacent to the each of ArA1 and ArA3 has an alkyl group or the like as a substituent, ArA2 represents a phenylene group, ArA4 represents an arylene group or the like, RA1, RA2 and RA3 represent an aryl group or the like, and when a2 is 0, RA1 represents an aryl group in which two or more rings are condensed (the number of carbon atoms constituting the rings of the aryl group is 10 or more) or the like.
本文提供了一种聚合物化合物,可用于生产外部量子产率极佳的发光器件。该聚合物化合物包括由式(1)表示的结构单元:
其中,a1 和 a2 代表 0 或 1,ArA1 和 ArA3 代表芳烯基团或类似基团,在 ArA1 和 ArA3 中,至少有一个原子与形成与 ArA1 和 ArA3 中每一个相邻的构型单元的键相邻,该原子具有烷基或类似基团作为取代基、ArA2代表亚苯基,ArA4代表芳烯基或类似基团,RA1、RA2和RA3代表芳基或类似基团,当a2为0时,RA1代表其中有两个或两个以上环缩合的芳基(构成芳基环的碳原子数为10或10以上)或类似基团。