Nematic liquid crystal compositions

Details Nematic liquid crystal compositions Nematic liquid crystal compositions

1974-11-25

1976-08-31

Padgett, Benjamin R.

Compositions

Radioactive compositions

Nuclear reactor fuel

252299, 350150, C09K 334, G02F 113

Patent

active

039777685

ABSTRACT:
By incorporating at least one of p-n-alkylcyanobenzene, p-cyanobenzylideneaniline and p-cyanophenyl p'-n-octyloxybenzoate into a Schiff base type nematic liquid crystal composition having negative dielectric anisotropy, a nematic liquid crystal composition having positive dielectric anisotropy is obtained. The nematic liquid crystal composition of the latter exhibits a liquid crystal state in a broad temperature range including room temperature and is useful for a torsion effect type electrooptical display device which can operate at low voltages.

REFERENCES:
patent: 3731986 (1973-05-01), Fergason
patent: 3796479 (1974-03-01), Helfrich et al.
patent: 3815972 (1974-06-01), Hsieh
patent: 3872140 (1975-03-01), Klanderman
patent: 3880767 (1975-04-01), Chang et al.
patent: 3881806 (1975-05-01), Suzuki
patent: 3891307 (1975-06-01), Tsukamoto et al.
patent: 3900248 (1975-08-01), Nagasaki
patent: 3923857 (1975-12-01), Boller et al

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