Supertwist liquid-crystal display

Details Supertwist liquid-crystal display Supertwist liquid-crystal display

1991-12-06

1994-05-03

Wu, Shean C.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 25229963, 25229966, 359106, C09K 1934, C09K 1952, C09K 1930, C09K 1912

Patent

active

053085388

ABSTRACT:
Supertwist liquid-crystal displays having excellent properties are obtained using a nematic liquid-crystal mixture based on component A which contains one or more compounds of the formula IIa or IIb: ##STR1## on or more compounds of the formulae IIc to IIe: ##STR2## and one or more compounds of the formula IIf to IIh: and one or more compounds of the formula IIf to IIh: ##STR3## wherein R, R.sup.1, R.sup.2, L, Y, X and n are as defined herein.

REFERENCES:
patent: 5122295 (1992-06-01), Weber et al.
patent: 5164114 (1992-11-01), Kurmeier et al.
patent: 5171469 (1992-12-01), Hittich et al.
patent: 5178790 (1993-01-01), Weber et al.

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