Patent ID: 8821993
Filing Date: 2014-09-02
Classification: C09K

Abstract:
1. A liquid crystal composition that has a negative dielectric anisotropy and contains at least one compound selected from the group of compounds represented by formula (1) as a first component and at least one compound selected from the group of compounds represented by formula (2) as a second component: wherein R 1 and R 2 are independently alkyl having 1 to 12 carbons; R 3 and R 4 are independently alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons or alkenyl having 2 to 12 carbons; ring A is independently: and in the rings, at least one of ring A is: Z 1 is independently a single bond, ethylene or methyleneoxy; and m is 1 or 2.