Liquid crystal device

Details Liquid crystal device Liquid crystal device

1995-03-10

1998-02-03

Kiliman, Leszek

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

4284735, 349123, 349126, 349127, 349132, 349133, 349134, 349135, 359 75, C09K 1900, G02F 113

Patent

active

057142092

ABSTRACT:
A liquid crystal device is constituted by disposing a liquid crystal between a pair of substrates; at least one of which has thereon an alignment film comprising a polyimide formed by reaction between at least two acid components including an acid component of formula (1) below and at least one component of formula (2) or (3) below and a diamine component of formula (4) below: ##STR1## wherein R.sub.1 and R.sub.2 independently denote an alkyl group.

REFERENCES:
patent: 4367924 (1983-01-01), Clark et al.
patent: 4655561 (1987-04-01), Kanbe et al.
patent: 5046822 (1991-09-01), Matsuda et al.
patent: 5116530 (1992-05-01), Togano et al.
patent: 5129727 (1992-07-01), Hanyu et al.
patent: 5192596 (1993-03-01), Hanyu et al.

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