Patent ID: 8557928
Filing Date: 2013-10-15
Classification: C08G

Abstract:
1. A liquid crystal alignment agent, comprising a polymer comprising polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof: wherein, in Chemical Formulae 1 and 2, X Y wherein, in Chemical Formula 3, A A A R R Q n is an integer ranging from 2 to 4, wherein the term substituted refers to one or more substituents selected from the group consisting of halogen, hydroxy, nitro, cyano, amino, amidino, hydrazine, hydrazone, carboxyl, alkyl, haloalkyl, alkoxy, alicyclic organic groups, aryl, alkenyl, alkynyl, heteroaryl, heterocycloalkyl, and combinations thereof and wherein the terms heteroaryl and heterocycloalkyl are aryl and cycloalkyl, respectively, including 1 to 3 heteroatoms selected from the group consisting of N, O, S, Si, P, and combinations thereof.