Patent ID: 8425799

Claim:
A liquid crystal photoalignment agent comprising: a compound selected from the group consisting of polyamic acid represented by the following Chemical Formula 1, polyimide polymers represented by the following Chemical Formula 2, and combinations thereof; and a polyimide photopolymer represented by the following Chemical Formula 3, wherein, in the above Formulae 1 to 3, R 1 , R 3 , and R 5 are independently a quadrivalent organic group derived from an acid dianhydride selected from the group consisting of aliphatic cyclic acid dianhydrides and aromatic acid dianhydrides, R 2 and R 4 are independently a divalent organic group derived from an aromatic diamine, and R 6 is a divalent organic group derived from a photodiamine selected from the group consisting of cumarin-based photodiamines, chalcone-based photodiamines, and cinnamate-based photodiamines.