申请人:MERCK PATENT GMBH
公开号:US20180216005A1
公开(公告)日:2018-08-02
Compounds of the formula I, and liquid-crystalline media, preferably having a nematic phase and negative dielectric anisotropy, comprising
a) one or more compounds of the formula I
and one or more compounds selected from
b) one or more compounds of formula II
and/or
c) one or more compounds selected from compounds of formulae III-1 to III-4 and formula B
Methods for making and using these liquid-crystalline media in electro-optical displays, particularly in active-matrix displays based on the VA, ECB, PALC, FFS or IPS effect and the displays which contain these media. Methods for stabilizing liquid-crystalline media with compounds of formula I, where the liquid-crystalline media comprise one or more compounds of the formula II and one or more compounds selected from compounds of the formulae III-1 to III-4 and formula B.
公式I的化合物和液晶介质,最好具有向列相和负介电各向异性,包括a) 一个或多个公式I的化合物和一个或多个选自b) 一个或多个公式II的化合物和/或c) 一个或多个选自公式III-1至III-4和公式B的化合物的液晶介质的方法。制备和使用这些液晶介质的方法在电光显示中,特别是基于VA、ECB、PALC、FFS或IPS效应的主动矩阵显示和包含这些介质的显示器。一种使用公式I的化合物稳定液晶介质的方法,其中液晶介质包括一个或多个公式II的化合物和一个或多个选自公式III-1至III-4和公式B的化合物。