Optical transmittance adjusting device having a matrix of electr

Details Optical transmittance adjusting device having a matrix of electr Optical transmittance adjusting device having a matrix of electr

1995-01-27

1997-08-12

Gross, Anita Pellman

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 1, G02F 1136, G02F 113

Patent

active

056571003

ABSTRACT:
An optical transmittance adjusting device which includes an optical transmittance adjusting plane divided into a plurality of areas; and adjusting means for detecting an amount of light incident on each of the areas and adjusting an optical transmittance separately for each of the areas based on the detected amount of light.

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patent: 5193016 (1993-03-01), Cornuejols
patent: 5236620 (1993-08-01), Reiffenrath et al.
patent: 5535027 (1996-07-01), Kimura et al.

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