STN liquid-crystal display

Details STN liquid-crystal display STN liquid-crystal display

1998-07-28

1999-12-07

Kelly, C. H.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522996, 25229966, 25229967, 25229901, 349186, C09K 1930, C09K 1906, C09K 1912, C09K 1920

Patent

active

059977671

ABSTRACT:
The invention relates to supertwist liquid-crystal displays (SLCDs) having very short response times and good steepnesses and angle dependences, and to the nematic liquid-crystal mixtures according to the invention used therein, which are distinguished by the fact that they comprise at least one compound of the formula IA and at least one compound of the formula IB ##STR1## in which R, R.sup.3, R.sup.4 and C are as defined herein.

REFERENCES:
patent: 4528114 (1985-07-01), Petrzilka et al.
patent: 5308538 (1994-05-01), Weber et al.
patent: 5387369 (1995-02-01), Weber et al.
patent: 5714087 (1998-02-01), Pausch et al.
patent: 5876726 (1999-03-01), Weber et al.

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