COMPOSITION FOR LIQUID CRYSTAL ALIGNMENT WITH EXCELLENT VOLTAGE HOLDING PROPERTY AT ROOM TEMPERATURE AND HIGH TEMPERATURE, A LIQUID CRYSTAL ALIGNMENT FILM MANUFACTURED BY THE SAME, AND A LIQUID CRYSTAL DISPLAY COMPRISING THE SAME

摘要

PURPOSE: A composition for liquid crystal alignment and a liquid crystal alignment film manufactured by the same are provided to ensure excellent alignment state, excellent electrical characteristic such as voltage holding property. ;CONSTITUTION: A polyamic acid comprises a repeating unit represented by chemical formula 1. In chemical formula 1, n is an integer of 5-200; A is tetravalent organic group; B represent divalent organic group and includes a group represented by chemical formula 2. The molecular weight of the polyamic acid is 5,000-200,000 g/mol. A composition for liquid crystal alignment comprises the polyamic acid.;COPYRIGHT KIPO 2011