Liquid crystal light valve using non-monochromatic writing light

Details Liquid crystal light valve using non-monochromatic writing light Liquid crystal light valve using non-monochromatic writing light

1990-12-14

1992-09-01

Miller, Stanley D.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 45, G02F 1135, G02F 113

Patent

active

051444631

ABSTRACT:
A liquid crystal display unit uses a photoconductive type liquid crystal light valve. By using non-monochromatic light as the writing light, the light excitation can be induced near the surface layer of the photoconductive layer by light of a shorter wavelength and also on portions deep in the layer by light of a longer wavelength. Thus, it is possible to induce the light excitation effectively on the photoconductive layer even when it is thick.

REFERENCES:
patent: 4114991 (1978-09-01), Bleha, Jr. et al.
patent: 4343535 (1982-08-01), Bleha, Jr.
patent: 5032002 (1991-07-01), Fonneland et al.

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