Nematic liquid crystal compositions

Details Nematic liquid crystal compositions Nematic liquid crystal compositions

1976-07-08

1977-09-13

Padgett, Benjamin R.

Compositions

Radioactive compositions

Nuclear reactor fuel

252299, 252408, 260566F, 260566R, G02F 113, C09K 334, C07C11910

Patent

active

040478033

ABSTRACT:
When a 4,4'-substituted benzylideneaniline compound having specific substituents is compounded in a nematic liquid crystal material, a liquid crystal composition having a positive dielectric anisotropy and a broad mesomorphic range extending above and below room temperature can be obtained. An electro-optical element comprising a thin layer of this liquid crystal composition filled and supported between two substrates can be used for light modulation and display.

REFERENCES:
patent: 3827780 (1971-10-01), Labes
patent: 3872140 (1975-03-01), Klanderman
patent: 3960749 (1976-06-01), Fergason
Usol'tseva, V. A. et al., Russian Chem. Rev., vol. 32, No. 9, pp. 495-507 (Sept. 1963).
Dave, J. S. et al., J. Chem. Soc., Part 4, pp. 4305-4309 (1955).

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