Liquid crystal composition and use thereof

Details Liquid crystal composition and use thereof Liquid crystal composition and use thereof

1989-08-24

1990-11-27

Maples, John S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

350350S, C09K 1934

Patent

active

049734253

ABSTRACT:
Liquid crystal composition which comprises at least one liquid crystalline compound having an optically active .gamma.-lactone ring of the formula (A): ##STR1## wherein R.sup.1 is a group selected from the group consisting of ##STR2## n and e are each independently 0 or 1; R.sup.3 is an alkyl group having 1 to 15 carbon atoms; X and Y are each independently a group selected from the group consisting of hydrogen atom, a halogen atom and cyano group; R.sup.2 is a group of the formula: --(CO).sub.m --R.sup.4 ; m is 0 or 1; R.sup.4 is hydrogen atom or an alkyl having 1 to 15 carbon atoms; and the symbol * is an asymmetric carbon atom, and a chiral or non-chiral liquid crystal, and a use thereof as an element for opto-electronics devices.

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"Submicrosecond Bistable Electro-Optic Switching in Liquid Crystals", Clark et al., Appl. Phys. Lett. 36(11), Jun. 1, 1980, pp. 899-901.
"Ferroelectric Liquid Crystal Electro-Optics Using the Surface Stabilized Structure", Clark et al., Mol. Cryst. Liq. Cryst., 1983, vol. 94, pp. 213-233.
"Dipole Moments and the Smectic C Phase", Goodby et al., Mol. Cryst. Liq. Cryst., vol. 34 (Letters), 1977, pp. 183-188.

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