Ferroelectric chiral smectic liquid crystal composition and liqu

Details Ferroelectric chiral smectic liquid crystal composition and liqu Ferroelectric chiral smectic liquid crystal composition and liqu

1992-10-29

1993-10-05

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229966, 25229961, C09K 1930, C09K 1934, C09K 2912, G02F 113

Patent

active

052502210

ABSTRACT:
A ferroelectric chiral smectic liquid crystal composition, comprising at least one compound represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 respectively denote a linear or branched alkyl group having 1-8 carbon atoms capable of having a substituent; X.sub.1 and X.sub.2 respectively denote a single bond, ##STR2## Y.sub.1 denotes --CH.sub.2 O-- or --OCH.sub.2 --; and m and n are respectively 1 or 2; and at least one compound represented by the following formula (II): ##STR3## wherein R.sub.3 denotes a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent, R.sub.4 denotes a linear alkyl group having 1-10 carbon atoms; X.sub.3 denotes a single bond, ##STR4## Y.sub.2 denotes ##STR5##

REFERENCES:
patent: 4808333 (1989-02-01), Huyhn-ba et al.
patent: 4874544 (1989-10-01), Yong et al.
patent: 4911863 (1990-03-01), Sage et al.
patent: 4952699 (1990-08-01), Yong et al.
patent: 5099344 (1992-03-01), Tsuboyama et al.

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