Liquid crystal aligning film and liquid crystal display device u

Details Liquid crystal aligning film and liquid crystal display device u Liquid crystal aligning film and liquid crystal display device u

1995-04-18

1997-10-07

Ahmad, Nasser

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

25229901, 359 75, 359 76, 359 77, 4284735, 528353, C09K 1900

Patent

active

056745753

ABSTRACT:
The present invention provides a liquid crystal aligning film containing as the principal constituent a polyimide resin, which comprises two or more diamines, and having a stripping load of 4.0 gf or more measured by particular conditions, and a liquid crystal display device using it. The liquid crystal aligning film has excellent resistance to liquid crystals, and does not have partial disorder of liquid crystal alignment caused by many scratches made by rubbing treatment.

REFERENCES:
patent: 4367924 (1983-01-01), Clark et al.
patent: 4749777 (1988-06-01), Kohto
patent: 5186985 (1993-02-01), Estes
patent: 5298590 (1994-03-01), Isogai
patent: 5344916 (1994-09-01), Harris

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