Liquid crystal compound having benzothiophene, liquid crystal composition and liquid crystal display device
申请人:JNC CORPORATION
公开号:US10563126B2
公开(公告)日:2020-02-18
A liquid crystal compound is represented by formula (1):
In formula (1), R1 is alkyl or the like; ring A1 and ring A2 are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z1, Z2 and Z3 are independently a single bond, —CF2O— or the like; X1 is fluorine, chlorine, —CF3 or the like; L1 and L2 are independently hydrogen, fluorine or the like; a and b are independently 0, 1, 2 or 3; and W is a group represented by formula (1a) or formula (1b);
In formula (1a) and formula (1b), L3 to L8 are independently hydrogen, fluorine or the like.
液晶化合物用式(1)表示:
在式 (1) 中,R1 是烷基或类似物;环 A1 和环 A2 独立地为 1,4-环己烯、1,4-亚苯基或类似物;Z1、Z2 和 Z3 独立地为单键、-CF2O- 或类似物;X1 是氟、氯、-CF3 或类似物;L1 和 L2 独立地为氢、氟或类似物;a 和 b 独立地为 0、1、2 或 3;W 是式 (1a) 或式 (1b) 所代表的基团;
在式 (1a) 和式 (1b) 中,L3 至 L8 独立地为氢、氟或类似物。