abstract |
(57) Abstract: Image sticking of liquid crystal alignment film, voltage holding ratio and Vt h unevenness. SOLUTION: 1,2-Bis (4- (4-aminobenzyl) phenyl) ethane, 1,6-bis (4- (4-aminobenzyl) phenyl) hexane, 1,1-bis (4- (4-aminobenzyl) phenyl) heptane Diamine having a skeleton structure having no polar group such as Use a polyimide containing 0 mol% or more of a diamine component, tetracarboxylic dianhydride, and optionally an aminosilicon compound as a liquid crystal alignment film. |