Illumination for a scattering type liquid crystal display

Details Illumination for a scattering type liquid crystal display Illumination for a scattering type liquid crystal display

1984-12-18

1987-05-26

Corbin, John K.

350339F, G02F 113

Patent

active

046680497

ABSTRACT:
A flat panel liquid crystal display for use in providing single or multi-color display images. The display comprises one or more ultraviolet light sources, a light pipe assembly which includes a plurality of liquid crystal cells that may be addressed via an array of transparent row and column electrodes, and a viewing screen having a plurality of phosphor elements that are located in close proximity and in registry with respective liquid crystal cells. Those phosphor elements and only those phosphor elements that are associated with liquid crystal cells that are in their scattering states are illuminated to form the image to be displayed.

REFERENCES:
patent: 2957940 (1960-10-01), Cusano
patent: 3563138 (1972-04-01), Cooper
patent: 3752974 (1973-08-01), Baker et al.
patent: 3892998 (1975-07-01), Tsui et al.
patent: 4071883 (1978-01-01), Dennis
patent: 4233493 (1980-11-01), Nath
patent: 4384764 (1983-05-01), Tischer et al.
patent: 4548474 (1985-10-01), Nagae

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