Reflection-type two-dimensional matrix spatial light modulation

Details Reflection-type two-dimensional matrix spatial light modulation Reflection-type two-dimensional matrix spatial light modulation

1998-04-16

2000-10-17

Dudek, James A.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349 44, 349110, 349113, G02F 11333, G02F 1136, G02F 11335

Patent

active

061339768

ABSTRACT:
A spatial light modulation device comprises picture element electrodes located in the form of a two-dimensional matrix, an opposite electrode located at a spacing from the picture element electrodes, and a light modulation layer located between the opposite electrode and the picture element electrodes. The light modulation layer modulates light, which enters from the side of the opposite electrode and is then reflected from the picture element electrodes (or from reflection members located at positions deeper than the picture element electrodes), in accordance with a voltage applied by the opposite electrode and each picture element electrode. An insulation film is formed between the light modulation layer and the picture element electrodes. An electrically conductive film is formed with the insulation film intervening between the electrically conductive film and the picture element electrodes, and covers at least a portion of a gap between adjacent picture element electrodes.

REFERENCES:
patent: 4602850 (1986-07-01), DeBenedetti
patent: 5128786 (1992-07-01), Yanagisawa
patent: 5194976 (1993-03-01), Nakano et al.
patent: 5396354 (1995-03-01), Shimada et al.
patent: 5500750 (1996-03-01), Kanbe et al.
patent: 5986723 (1999-11-01), Nakamura et al.
patent: 6005648 (1999-12-01), Zhang et al.

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