Liquid crystal aligning agent and a vertical alignment liquid crystal display device for a vertically aligned liquid crystal display device

摘要

PROBLEM TO BE SOLVED: To provide a liquid crystal aligning agent for a homeotropic alignment liquid crystal display element, which has excellent solubility.;SOLUTION: The liquid crystal aligning agent contains a polyamic acid which is obtained by making a diamine compound including a diamine with a side chain structure and a tetracarboxylic acid dianhydride compound react with each other and of which the weight average molecular weight is in a predetermined range, or a derivative thereof.;COPYRIGHT: (C)2007,JPO&INPIT