Liquid crystal aligning agent and liquid crystal display device

Details Liquid crystal aligning agent and liquid crystal display device Liquid crystal aligning agent and liquid crystal display device

1997-01-28

1998-05-26

Hampton-Hightower, P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528172, 528173, 528185, 528188, 528220, 528229, 528350, 528128, 428 1, 4284735, 359 75, 359 36, C08G 7310, C08G 6926, G02F 1133

Patent

active

057566496

ABSTRACT:
A liquid crystal aligning agent comprising a polyamic acid containing an aliphatic and/or alicyclic hydrocarbon group and a polyimide containing an aliphatic and/or alicyclic hydrocarbon group; and a liquid crystal display device using the liquid crystal aligning agent. This liquid crystal aligning agent gives a liquid crystal aligning film which has good liquid crystal aligning property and in which pretilt angle can be changed by radiation with a small energy and which is suitable for domain-divided alignment type liquid crystal display having a wide view angle.

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patent: 4876330 (1989-10-01), Higashi et al.
patent: 4929658 (1990-05-01), Kohtoh et al.
patent: 5046822 (1991-09-01), Matsuda et al.
patent: 5133989 (1992-07-01), Numata et al.
patent: 5298590 (1994-03-01), Isogai et al.

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