Nematic liquid crystal compositions for display apparatuses

Details Nematic liquid crystal compositions for display apparatuses Nematic liquid crystal compositions for display apparatuses

1980-12-24

1984-05-22

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

350332, 350333, 350350R, C09K 334, C02F 113

Patent

active

044500947

ABSTRACT:
Liquid crystal compositions suitable for liquid crystal display elements according to multiplexing mode are provided. The compositions consist of at least one nematic liquid crystal compound having a positive dielectric anisotropy (N.sub.p) and at least one nematic liquid crystal compound having a negative dielectric anisotropy (N.sub.n), at least one compound of the group consisting of said at least one N.sub.p and said at least one N.sub.n being expressed by the general formula ##STR1## wherein R.sub.1 is 1-10 C alkyl group or alkoxy group, carboxyl group or cyano group and R.sub.2 is 1-10 C alkyl group or alkoxy group or carboxyl group.

REFERENCES:
patent: 4200580 (1980-04-01), Hsu
patent: 4322354 (1982-03-01), Sorkin
patent: 4344856 (1982-08-01), Demus et al.
patent: 4348324 (1982-09-01), Demus et al.
patent: 4364838 (1982-12-01), Boller et al.
patent: 4372871 (1983-02-01), Toriyama et al.
Sorkin, Howard; Mol. Cryst. Liq. Cryst., vol. 56 (Letters), pp. 279-281, (1980).

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