Patent ID: 7811469
Filing Date: 2010-10-12
Classification: C09K,G02F

Abstract:
1. A vertical alignment film comprising: a polymerizable liquid crystal compound having negative dielectric constant anisotropy, wherein the polymerizable liquid crystal compound having negative dielectric constant anisotropy is the compound represented by the following General Formula (I): wherein K wherein in the General Formulas (2) to (7), R 1 to R 8 each represent a hydrogen atom, a fluorine atom, CF 3 or CN; in the General Formula (2), at least one of R 1 and R 2 is not a hydrogen atom; in the General Formula 3 at least one of R 1 to R 3 is not a hydrogen atom; in the General Formula (4), at least one of R 1 to R 8 is not a hydrogen atom; in the General Formula (7), X and Y each represent any one of oxygen atom, sulfur atom, and NR 100 , the R 100 representing a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and EWG represents an electron withdrawing group, and wherein the polymerizable liquid crystal compound is vertically aligned against the surface of a substrate, and then the polymerizable liquid crystal compound is fixed to form the vertical alignment film.