LIQUID CRYSTAL ALIGNING AGENT, LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY ELEMENT

摘要

A liquid crystal aligning agent which contains a polyamic acid that is obtained by a reaction between a tetracarboxylic acid dianhydride component that contains a tetracarboxylic acid dianhydride having an alicyclic structure or an aliphatic structure and a diamine component that contains a diamine having a urea structure and a diamine having a secondary amine at a polymerization reaction site.