Liquid crystal light modulation device

Details Liquid crystal light modulation device Liquid crystal light modulation device

1985-10-01

1988-03-08

Corbin, John K.

3501622, 35016221, 35016222, 350347V, 350347E, G02F 113, G02B 518

Patent

active

047296402

ABSTRACT:
A liquid crystal light modulation device conprises a pair of substrates at least one of which is transparent, a diffraction grating formed between or on at least one of the substrates, a liquid crystal arranged between fine grooves of the diffraction grating, and control means for changing the orientation of the liquid crystal which has been oriented in a predetermined state by the grooves of the diffraction grating.

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patent: 4017157 (1977-04-01), Van Riet
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patent: 4178611 (1979-12-01), Okano
patent: 4227769 (1980-10-01), Phillips et al.
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patent: 4405405 (1983-09-01), Fujii et al.
patent: 4444469 (1984-04-01), Kaye
patent: 4472026 (1984-09-01), Boyd et al.
patent: 4582396 (1986-04-01), Bos et al.

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