Liquid crystal material and liquid crystal display device using

Details Liquid crystal material and liquid crystal display device using Liquid crystal material and liquid crystal display device using

1997-09-11

1999-08-24

Wu, Shean C.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229965, 25229966, 25229967, 428 1, C09K 1920, C09K 1912

Patent

active

059421550

ABSTRACT:
The present invention is a liquid crystal including a ferroelectric liquid crystal compound and a siloxane compound represented by the following general formula (I). ##STR1## (where m is an integer of 0 to 20, n is an integer of 0 to 8, p is 0 or 1, q is an integer of 0 to 2, R is an alkyl group such as methyl group, ethyl group or propyl group, or an organic residue group represented by the following general formula (II) ##STR2## where R* is an alkyl group having optical activity center and X is halogen).

REFERENCES:
P. Kloess, et al., 1-4, Proceedings of the Fifth Int. Conf. On Ferroelectric Liquid Crystals, 1995, Pt 3, pp. 233-243, "Synthesis and Properties of A New Series of Low-Molar-Mass Organosiloxane Derivatives" (Abstract only).
Abstracts of Japan, AN 1990:208087, JP 01268785, Oct. 26, 1989.
CA 127: 212745, 1997.
Petra Kloess, et al., Ferroelectrics, vol. 180, pp. 233-243, "Synthesis and Properties of A New Series of Low-Molar-Mass Organo-Siloxane Derivatives" 1996.
W.K. Robinson, et al., Chemical Abstract 127:212751, Liq. Cryst., vol. 23, No. 2, 1997, "Bi-Mesogenic Organosiloxane Liquid Crystal Materials Exhibiting Antiferroelectric Phases".
W.K. Robinson, et al., Chemical Abstract 127:212745, Liq Cryst., vol. 23, No. 2, 1997, "Structural Characterization of Mono-and Di-Mesogenic Organosiloxanes: The Impact of Siloxane Content on Biphenyl Benzoate Systems".

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