Liquid crystal light valve with memory

Details Liquid crystal light valve with memory Liquid crystal light valve with memory

1984-01-16

1986-11-11

Moffitt, James W.

Static information storage and retrieval

Radiant energy

Liquid crystal

G11C 1140

Patent

active

046226540

ABSTRACT:
Disclosed is a device and method for the storage and conversion of a light input into a corresponding output with light from another source. The device includes an improved liquid crystal light valve having as a photosensor layer a deposited memory semiconductor material which is reversibily convertible between a first stable, relatively high electrical resistance condition and a second stable, relatively low electrical resistance condition. Each change of state or condition will remain after cessation of the input until stimulated to reverse to the other state, thereby achieving a storage or memory function.

REFERENCES:
patent: 3894794 (1975-07-01), Mitchell, Jr.
IBM Technical Disclosure Bulletin-vol. 12, No. 10, Mar. 1970, pp. 1697-1698.
1973 SID International Symposium Digest of Technical Papers, New York, USA-May 15-17, 1973, pp. 42-43.

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