COMPOUND CONTAINING DIHYDROPHENANTHRENE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY
申请人:JNC Corporation
公开号:EP2669263A1
公开(公告)日:2013-12-04
To provide a liquid crystal compound having a large negative dielectric anisotropy (Δε), and having at least one of characteristics such as a high stability to heat, light and so forth, a high clearing point, a suitable refractive index anisotropy (Δn) and an excellent compatibility with other liquid crystal compounds, and an intermediate thereof. A solution is a compound represented by formula (1):
wherein, for example, R1 and R2 are alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons or alkenyl having 2 to 12 carbons; ring A1, ring A2 and ring A3 are 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2 and Z3 are a single bond or -(CH2)2-; X is -CF2- or -CHF-; and l, m and n are 0 or 1.
提供一种液晶化合物,它具有较大的负介电各向异性 (Δε),并至少具有以下特性之一:对热、光等的高稳定性、高清澈点、适当的折射率各向异性 (Δn)、与其它液晶化合物的良好兼容性,以及它的中间体。一种溶液是由式(1)表示的化合物:
其中,例如,R1 和 R2 是具有 1 至 12 个碳原子的烷基、具有 1 至 12 个碳原子的烷氧基或具有 2 至 12 个碳原子的烯基;环 A1、环 A2 和环 A3 是 1,4-环己烯或 1,4-亚苯基;Z1、Z2 和 Z3 是单键或 -(CH2)2-;X 是 -CF2- 或 -CHF-;以及 l、m 和 n 是 0 或 1。