Ferroelectric liquid crystal composition and liquid crystal devi

Details Ferroelectric liquid crystal composition and liquid crystal devi Ferroelectric liquid crystal composition and liquid crystal devi

1991-12-10

1993-06-01

Lovering, Richard D.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 25229963, C09K 1934, C09K 1952, C09K 1932

Patent

active

052156788

ABSTRACT:
A ferroelectric liquid crystal composition comprising at least one compound represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are, the same or different, a straight-chain or branched-chain alkyl group having 1 to 15 carbon atoms, and each asterisk represents an asymmetric carbon atom, and at least one compound represented by the formula (II): ##STR2## wherein R.sup.3 and R.sup.4 are, the same or different, a straight-chain or branched-chain alkyl group having 1 to 15 carbon atoms, and each asterisk represents an asymmetric carbon atom, and liquid crystal device incorporating same.

REFERENCES:
patent: 4909957 (1990-03-01), Sakaguchi et al.
patent: 4973425 (1990-11-01), Kazuhiko et al.
patent: 5026506 (1991-06-01), Koden et al.

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