Electro-optical device and method of operating same

Details Electro-optical device and method of operating same Electro-optical device and method of operating same

1982-07-07

1985-09-03

Corbin, John K.

350342, G02F 1135

Patent

active

045388849

ABSTRACT:
An electro-optical device, provided with a liquid crystal layer and a photoconductive layer, for converting a light input image into a projection image is characterized in that (A) a shading layer having a plurality of penetrating holes corresponding to picture elements and (B) a plurality of reflectors, separate from one another, facing the penetrating holes one by one through a light-transmittable insulating layer being contact with the shading layer are laid between the liquid crystal layer and the photoconductive layer. An electro-optical device comprising a liquid crystal layer is provided with counter electrodes at least one of which is composed of plural stripes of electrodes. In the devices, images can be produced by applying a voltage in the opposite direction of rectification with applying a writing light input signals and erased by applying a voltage in the forward direction of rectification.

REFERENCES:
patent: 3840695 (1974-10-01), Fischer
patent: 3863332 (1975-02-01), Leupp et al.
patent: 4005929 (1977-02-01), Adams et al.
patent: 4191452 (1980-03-01), Grinberg et al.
patent: 4368386 (1983-01-01), Huignard et al.

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