Nematic liquid crystal composition

Details Nematic liquid crystal composition Nematic liquid crystal composition

1975-12-23

1978-06-20

Padgett, Benjamin R.

Compositions

Liquid crystal compositions

58 23R, 252408, 350350, C09K 334, G02F 113

Patent

active

040960862

ABSTRACT:
Nematic liquid crystal compositions consisting of compounds having high stability with respect to moisture-resistance, oxidation-resistance and light-resistance, complete transparency and a wide range of operating temperatures are disclosed. The compositions are particularly useful for incorporation in a display device in a timepiece, and, more particularly, in a wristwatch. The compounds are mostly of the type wherein two benzene rings are joined by an ester group.

REFERENCES:
patent: 3876286 (1975-04-01), Deutscher et al.
patent: 3923857 (1975-12-01), Boller et al.
patent: 3947375 (1976-03-01), Gray et al.
patent: 3975286 (1976-08-01), Oh
patent: 3981817 (1976-09-01), Boller et al.
patent: 3984344 (1976-10-01), Cole, Jr.
patent: 4000084 (1976-12-01), Hsieh et al.
patent: 4001137 (1977-01-01), Steinstrasser

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