Polyimide alignment film from 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane, dianhydride and ortho-substituted aromatic diamines for active matrix liquid crystal displays
申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0768559A1
公开(公告)日:1997-04-16
A polyimide alignment film based on 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride and ortho-substituted aromatic diamines, such as 2,3,5,6-tetramethyl-p-phenylene diamine, 2,4,6-trimethyl-m-phenylene diamine and 1,5-diaminonaphthalene, providing high voltage holding ratio and high tilt angle when used in active matrix liquid crystal displays.
一种基于 2,2-双(3,4-二羧基苯基)六氟丙烷二酐和正交取代芳香族二胺(如 2,3,5,6-四甲基对苯二胺、2,4,6-三甲基间苯二胺和 1,5-二氨基萘)的聚酰亚胺配向膜,用于有源矩阵液晶显示器时可提供高电压保持率和高倾斜角。