Compensator for a liquid crystal display

Details Compensator for a liquid crystal display Compensator for a liquid crystal display

1995-08-14

1997-02-04

Wu, Shean C.

Compositions

Liquid crystal compositions

428 1, 349117, C09K 1152, G02F 11335

Patent

active

055994784

ABSTRACT:
According to the present invention there is provided a compensator for a liquid crystal display superior in the color compensating performance, capable of making color compensation of a high-speed STN-LCD and capable of freely changing the value of wavelength dispersion. The compensator is obtained by using a liquid crystalline polyester which contains 4-hydroxycinnamic acid units and catechol units as constituent units.

REFERENCES:
patent: 4696990 (1987-09-01), Noonan et al.
patent: 4816555 (1989-03-01), Hisgen et al.
patent: 5193020 (1993-03-01), Shiozaki et al.
patent: 5206752 (1993-04-01), Itoh et al.
patent: 5250214 (1993-10-01), Kanemoto et al.
patent: 5326496 (1994-07-01), Iida et al.
patent: 5460748 (1995-10-01), Mazaki et al.
patent: 5472635 (1995-12-01), Iida et al.
patent: 5518783 (1996-05-01), Kawata et al.

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