申请人:JNC CORPORATION
公开号:US10479940B2
公开(公告)日:2019-11-19
A liquid crystal compound having positive dielectric anisotropy is provided and contains a compound represented by formula (1) as a first component, a compound represented by formula (2) as a second component, a polar compound as a first additive and a polymerizable compound as a second additive.
In formula (1), R1a is alkyl having 1 to 12 carbons, or the like; ring Q and ring S are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z1a and Z2a are independently a single bond or the like; X1a and X2a are independently hydrogen or fluorine; Y1a is fluorine, chlorine, alkyl having 1 to 12 carbons in which at least one hydrogen is replaced by fluorine or chlorine, or the like; q is 1, 2, 3 or 4; s is 0, 1, 2 or 3; and a sum of q and s is 4 or less.
提供了一种具有正介电常数各向异性的液晶化合物,它包含作为第一组分的式 (1) 所代表的化合物、作为第二组分的式 (2) 所代表的化合物、作为第一添加剂的极性化合物和作为第二添加剂的可聚合化合物。
在式 (1) 中,R1a 是具有 1 至 12 个碳原子的烷基或类似物;环 Q 和环 S 独立地为 1,4-环己烯、1,4-亚苯基或类似物;Z1a 和 Z2a 独立地为单键或类似物;X1a 和 X2a 独立地为氢或氟;Y1a 是氟、氯、具有 1 至 12 个碳原子的烷基(其中至少有一个氢原子被氟或氯取代)或类似物;q 是 1、2、3 或 4;s 是 0、1、2 或 3;q 和 s 的总和是 4 或更少。