Electro-optic device

Details Electro-optic device Electro-optic device

1977-01-06

1979-02-27

Padgett, Benjamin R.

Compositions

Radioactive compositions

Nuclear reactor fuel

252299, 252408, 260152, 260154, 260156, 260157, 260158, 260177, 260185, 260196, C09K 334, C02F 113

Patent

active

041416279

ABSTRACT:
Novel dyes of the formula ##STR1## wherein X can be hydrogen, alkyl, alkoxy, cyano, nitro, dialkylamino, halogen or --N.dbd.N--Y and Y can be phenyl, phenyl substituted in the para position with an alkyl, alkoxy, cyano, nitro, dialkylamino or halogen group, or a heterocyclic ring, can be added to known liquid crystal compositions to impart color to the mixtures and improved contrast to a liquid crystal electro-optic device containing such mixtures.

REFERENCES:
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patent: 2544659 (1951-03-01), Dreyer
patent: 3597044 (1971-08-01), Castellano
patent: 3703329 (1972-11-01), Castellano
patent: 3833287 (1974-09-01), Taylor et al.
patent: 3864022 (1975-02-01), Moriyama et al.
patent: 3957348 (1976-05-01), Saeva
patent: 3960750 (1976-06-01), Moriyama et al.
patent: 3960751 (1976-06-01), Moriyama et al.
patent: 4025164 (1977-05-01), Doriguzzi et al.
patent: 4032219 (1977-06-01), Constant et al.
White, D. L., et al., J. Appl. Phys., vol. 45, No. 11, pp. 4718-4723 (Nov. 1974).
Blinov, L. M., et al., J. Phys. (Paris), vol. 36, Cl, No. 3, pp. 69-76 (1975).
Constant, J., et al., "Pleochroic Dyes with High Order Parameters," Presented at 6th Int. Liq. Cryst. Conf., Kent, Ohio (Aug. 1976).
Bloom, A., et al., Abstracts of the 6th Int. Liq. Cryst. Conf., Kent State Univ., Kent, Ohio, K-12 (Aug. 1976).

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