Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Optical excitation
Patent
1995-08-17
1998-06-02
Gross, Anita Pellman
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Optical excitation
G02F 1135
Patent
active
057608539
ABSTRACT:
A liquid crystal light valve includes a transparent substrate having a transparent electrode, a photoconducting layer and a dielectric mirror layer including a plurality of dielectric films formed in this order on a surface thereof, a transparent substrate having a transparent electrode formed on a surface thereof, and a liquid crystal layer held between the transparent substrates. The dielectric mirror layer includes a high packing density portion as the outermost layer on the liquid crystal layer side, and a low packing density portion with a packing density lower than that of the high packing density portion. This structure improves the optical characteristic and the manufacturing efficiency of the liquid crystal light valve.
REFERENCES:
patent: 4012119 (1977-03-01), Adams et al.
patent: 5245453 (1993-09-01), Hatano et al.
patent: 5272554 (1993-12-01), Ji et al.
patent: 5434689 (1995-07-01), Shigeta et al.
"Thin Films & Their Applications in Opto-Electronics", Optronics, the first impression of the revised and enlarged edition, Aug. 31, 1992, pp. 259-260 .
Conlin David G.
Daley, Jr. William J.
Gross Anita Pellman
Parker Kenneth
Sharp Kabushiki Kaisha
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