Optically active compound and ferroelectric liquid crystal compo

Details Optically active compound and ferroelectric liquid crystal compo Optically active compound and ferroelectric liquid crystal compo

1991-04-25

1993-07-06

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229963, 25229967, 25229965, C09K 1912, C09K 1920, C09K 1930

Patent

active

052251055

ABSTRACT:
Disclosed herein is an optically active compound and a ferroelectric liquid crystal composition produced therefrom. The optically active compound has a fluorine atom introduced into the core nucleus so that it does not take on the smectic phase of a high order except for the smectic A phase and smectic C phase and which has carbonyl groups (for dipole) at adequate positions so that it exihibits greater spontaneous polarization. The ferroelectric liquid crystal composition is composed of a chiral component (including the optically active compound) and a non-chiral component, and hence it is superior in response performance.

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