Polyimide alignment film from 2,2-BIS (3,4-dicarboxyphenyl)--hex

Details Polyimide alignment film from 2,2-BIS (3,4-dicarboxyphenyl)--hex Polyimide alignment film from 2,2-BIS (3,4-dicarboxyphenyl)--hex

1997-03-07

1998-06-02

Kelly, C. H.

Compositions

Liquid crystal compositions

Containing nonchiral aligning agents

528353, 349123, C09K 1956, G02F 1133

Patent

active

057594422

ABSTRACT:
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.

REFERENCES:
patent: 4381886 (1983-05-01), Yokokura et al.
patent: 4912197 (1990-03-01), Hayes
patent: 5344916 (1994-09-01), Harris et al.

Affiliated with

Also associated with

Rating

Polyimide alignment film from 2,2-BIS (3,4-dicarboxyphenyl)--hex does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyimide alignment film from 2,2-BIS (3,4-dicarboxyphenyl)--hex, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyimide alignment film from 2,2-BIS (3,4-dicarboxyphenyl)--hex will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1455874