Photoconductor coupled liquid crystal light valve with impurity

Details Photoconductor coupled liquid crystal light valve with impurity Photoconductor coupled liquid crystal light valve with impurity

1993-03-09

1995-08-29

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

430 95, 430 65, 257 53, G02F 1135

Patent

active

054465630

ABSTRACT:
A photoconductor coupled liquid crystal light valve having at least a photoconductive layer, an optical reflection layer, and a liquid crystal layer between a pair of electrodes, wherein the photoconductive layer is made of amorphous silicon layer, and an impurity doped in the photoconductive layer is uniform in amount in the in-plane direction of the photoconductive layer and continuously higher in concentration in the layer-thickness direction from the electrode side toward the optical reflection layer side.

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patent: 5313288 (1994-05-01), Takanashi

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