Guest-host type liquid crystal composition

Details Guest-host type liquid crystal composition Guest-host type liquid crystal composition

1982-09-29

1991-06-25

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing pleochroic dye

350349, C09K 1900

Patent

active

050265059

ABSTRACT:
A guest-host type liquid crystal composition comprising one or more host liquid crystals and dissolved therein one or more pleochroic dyes having a trans-4-substituted cyclohexyl group, preferably in an amount of 70% by mole or more of said trans-4-substituted cyclohexyl group among 4-substituted cyclohexyl groups, can afford a liquid crystal display device improved in display contrast and good stability due to no photochemical reaction of the liquid crystal composition.

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patent: 4455253 (1984-06-01), Thompson
patent: 4456545 (1984-06-01), Weber et al.
Cox, R. J., Mol. Cryst. Liq. Cryst., vol. 55, pp. 1-32 (1979).

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