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

1993-07-22

1994-11-15

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522991, 25229963, 25229966, 25229901, 25229967, 359104, C09K 1906, C09K 1934, C09K 1930, G02F 113

Patent

active

053645596

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 1-18 carbon atoms capable of having a substituent; X.sub.1 and X.sub.2 respectively denote a single bond, --O--, ##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; X.sub.3 denotes a single bond, --O-- or ##STR4## Z denotes a single bond or ##STR5## and p is an integer of 1-12.

REFERENCES:
patent: 4753752 (1988-06-01), Raynes et al.
patent: 4874544 (1989-10-01), Yong et al.
patent: 4911863 (1990-03-01), Sage et al.
patent: 4917821 (1990-04-01), Mori et al.
patent: 4952699 (1990-08-01), Yong et al.

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