Liquid crystal compounds

Details Liquid crystal compounds Liquid crystal compounds

1991-11-04

1993-02-09

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 25229966, 25229967, 560 65, 560 73, 560102, 560 59, 560 61, 560 62, 560 64, C09K 1912, C09K 1920, C07C 6976

Patent

active

051848473

ABSTRACT:
Ferrelectric chiral smetic liquid crystal compound are provided which have the formula, for example ##STR1## wherein R is a C.sub.1-20 alkyl group.

REFERENCES:
patent: 4918213 (1990-04-01), Nohira et al.
patent: 4921632 (1990-05-01), Nakamura
patent: 4973738 (1990-11-01), Suzuki
Y. Suzuki et al., New Fluorine-Containing Ferroelectric Liquid Crystal Compounds With Large Spontaneous Polarization And Fast Switching Time, 12th I.L.C.C. Abs. No. SY02 (Aug. 15-19, 1988).
Patent Abstracts of Japan, vol. 13, No. 174 (C-589) [3522]-Apr. 25, 1989.
Liquid Crystals, vol. 6, No. 2, pp. 167-174 (Taylor and Francis Ltd., 1983) (p. 167-note paragraph 1, p. 168-note paragraph 2, p. 169-note FIG. 3).
Patent Abstracts of Japan, vol. 14, No. 254 (C-724)[4197]-May 31, 1990.
Japanese Journal of Applied Physics vol. 27, No. 5, May, 1988, pp. L729-L732, Tristable Switching in Surface Stabilized Ferroelectric Liquid Crystals with a Large Spontaneous Polarization, A. D. L. Chandani.
Liquid Crystals, 1989, vol. 6, No. 2, 167-174, New fluorine-containing ferroelectric liquid crystal compounds showing tristable switching by Y. Suzuki.

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