申请人:Sumitomo Chemical Company, Limited
公开号:US11021568B2
公开(公告)日:2021-06-01
A polymer compound which is useful for producing a light emitting device having excellent luminance life is described. The polymer compound contains a constitutional unit having a residue of a compound represented by the formula (1) and a constitutional unit having no residue of a compound represented by the formula (1):
In formula (1), Ring A, Ring B and Ring C represent an aromatic hydrocarbon ring, X represents a boron atom, Y1, Y2 and Y3 represent N-Ry, a sulfur atom or a selenium atom, Ry represents a hydrogen atom, an aryl group, a monovalent heterocyclic group or an alkyl group, and n3 is 0 or 1. When n3 is 0, —Y3— is absent.
本发明描述了一种聚合物化合物,它可用于生产具有出色发光寿命的发光器件。该聚合物化合物包含一个具有式(1)所代表化合物残留物的构型单元和一个不具有式(1)所代表化合物残留物的构型单元:
在式(1)中,环 A、环 B 和环 C 代表芳香烃环,X 代表硼原子,Y1、Y2 和 Y3 代表 N-Ry、硫原子或硒原子,Ry 代表氢原子、芳基、一价杂环基团或烷基,n3 为 0 或 1。当 n3 为 0 时,不含-Y3-。