Supertwist liquid crystal display

Details Supertwist liquid crystal display Supertwist liquid crystal display

1992-12-29

1995-02-07

Wu, Shean

Compositions

Liquid crystal compositions

25229963, 25229966, 359103, 359105, C09K 1952, C09K 1912, G02F 113

Patent

active

053873696

ABSTRACT:
Supertwist liquid crystal displays having very short switching times are obtained if the nematic liquid crystal mixture contains at least one component chosen from group A consisting of compounds of the formulae AI to AVI: ##STR1## wherein R.sup.1 and R.sup.2 in each case independently of one another are each R and R is alkyl having 1-12 C atoms, wherein one or two non-adjacent CH.sub.2 groups can also be replaced by --O--, --CH.dbd.CH--, --CO--, --O--CO-- or --CO--O--, and up to four other components.

REFERENCES:
patent: 4799774 (1989-01-01), Baur et al.
patent: 4820443 (1989-04-01), Goto et al.
patent: 4917818 (1990-04-01), Sawada et al.
patent: 4923632 (1990-05-01), Sawada et al.
patent: 5013477 (1991-05-01), Burcheaker et al.
patent: 5308538 (1994-05-01), Weber et al.

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