| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid crystal alignment agent providing a liquid crystal alignment film which forms good voltage holding ratio and after image property. SOLUTION: The liquid crystal alignment agent includes a polymer selected from groups composed of polyamic acid and imide polymers thereof. The polyamic acid is made by reacting a tetracarboxylic dianhydride and diamine containing compounds expressed by formula (I) or formula (II) in which n1 is independently an integer of 1 to 8. COPYRIGHT: (C)2010,JPO&INPIT |
