Liquid crystal aligning agent, liquid crystal alignment film, liquid crystal element and polymer
申请人:JSR CORPORATION
公开号:US11193067B2
公开(公告)日:2021-12-07
According to the present invention, a liquid crystal aligning agent is configured to contain a polymer [P] which has a partial structure represented by formula (1) and comprises a photo-alignment group. In formula (1), each of R1 and R2 independently represents a hydrogen atom, a halogen atom or a monovalent organic group having one or more carbon atoms; and each of X1 and X2 independently represents —OH, —NH2 or a monovalent organic group having one or more carbon atoms, provided that at least one of X1 and X2 represents “—OR3” or “—NR3R4” (wherein each of R3 and R4 independently represents a hydrogen atom or a monovalent organic group having one or more carbon atoms).
根据本发明,液晶对准剂配置为含有聚合物[P],其部分结构由式(1)表示,并包含光对准基团。在式(1)中,R1和R2各自独立地代表氢原子、卤素原子或具有一个或多个碳原子的一价有机基团;X1和X2各自独立地代表-OH、-NH2或具有一个或多个碳原子的一价有机基团,条件是X1和X2中至少有一个代表"-OR3 "或"-NR3R4"(其中R3和R4各自独立地代表氢原子或具有一个或多个碳原子的一价有机基团)。