Liquid crystal display device containing laser-absorbing dye

Details Liquid crystal display device containing laser-absorbing dye Liquid crystal display device containing laser-absorbing dye

1984-04-25

1986-08-19

Corbin, John K.

350351, G02F 113

Patent

active

046066136

ABSTRACT:
A liquid crystal display device comprising a laser beam source, a liquid crystal cell so formed that a liquid crystal layer in which a liquid crystal of cyano-biphenyl system is added with a dichromatic dye of 1,3 di (1,4-dimethyl-7-isopropylazulenyl)-cyclobutene diylium having a formula ##STR1## is interposed between opposing transparent electrode plates, and means for irradiating to the cell a laser beam generated from the laser beam source.

REFERENCES:
patent: 4040047 (1977-08-01), Hareng et al.
patent: 4465338 (1984-08-01), Coates
Balanson, R. et al., "Sensitivity Improvement in Thermally-Addressed LCD . . . ", IBM Tech. Disc. Bull., vol. 21, No. 5, (Oct. 1978), p. 2007.
Cheng, Y. Y. et al., "Solubilized Squarilium Dyes for LCDs," IBM Tech. Disc. Bull., vol. 23, No. 1, (Jun. 1980), p. 309.
Tani, C. et al., "New Electrothermo-Optic Effect in a Certain Smectic Liquid Crystal with a Pleochroic Dye," Applied Phys. Lett., vol. 33, No. 4 (Aug. 15, 1978), pp. 275-277.

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