Liquid crystal device having interdigitated electrodes with shad

Details Liquid crystal device having interdigitated electrodes with shad Liquid crystal device having interdigitated electrodes with shad

1982-08-20

1987-02-24

Corbin, John K.

350339R, 350347E, 350347V, G02F 113

Patent

active

046453040

ABSTRACT:
This invention relates to a liquid crystal device applying an optoelectronic effect of liquid crystal.
This invention aims at the provision of a liquid crystal device comprising; a liquid crystal cell which has a transparent substrate having interdigital electrodes and a transparent substrate having an opposite electrode, the transparent substrates being disposed close to each other so as to allow both the electrodes to be opposite to each other, and which charges liquid crystal between both the transparent substrates; and a polarizer having polarization axis extending in parallel to the orientation of the liquid crystal caused by the electric field between the interdigital electrodes; thereby responding at high speed, having a high contrast ratio in ON and OFF conditions of the transmission light, and being small-sized and inexpensive to produce.

REFERENCES:
patent: 3960751 (1976-06-01), Moriyama et al.
patent: 3981559 (1976-09-01), Channin
patent: 4385805 (1983-05-01), Channin
Denisov, Y. V. et al., "Investigation of Ordering of the Mesophase of Cholesteric Liquid Crystals . . . , " Soviet Physics JETP, vol. 44, No. 2, (Aug. 1976), pp. 357-363.
Graf, Modern Dictionary of Electronics (6th ed. 1984), pp. 254-255.
Boyd, G. D., et al., "Liquid-Crystal Orientational Bistability and Nematic Storage Effects", Applied Physics Lett., vol. 36, No. 7, pp. 556-558, (Apr. 1980).
De Gennes, P. G., The Physics of Liquid Crystals, pp. ix-xi & 345-347 (Clarendon Press, Oxford 1975).
Soref, R. A. "Field Effects in Nematic Liquid Crystals Obtained with Interdigital Electrodes," J. of Applied Physics, vol. 45, No. 12, (Dec. 1974), pp. 5466-5468.

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