Liquid crystal display

Details Liquid crystal display Liquid crystal display

1995-02-13

1998-01-06

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345103, 345149, 349 85, 349144, G09G 336

Patent

active

057060215

ABSTRACT:
A liquid crystal display apparatus for a matrix display is constituted by a plurality of data electrodes, a plurality of scanning electrodes disposed opposite to and intersecting the data electrodes so as to form a pixel at each overlapping of the data electrodes and scanning electrodes, a liquid crystal layer disposed between the data electrodes and scanning electrodes, and plural gradation electrodes disposed at each pixel. The gradation electrodes are capacitively coupled to each other and capacitively or electrically coupled to an associated one of the scanning electrodes and data electrodes so as to apply stepwise different voltages across the liquid crystal layer between the gradation electrodes and an opposite one of the data electrodes and scanning electrodes.

REFERENCES:
patent: 4712877 (1987-12-01), Okada et al.
patent: 4981340 (1991-01-01), Kurematsu et al.
patent: 4990905 (1991-02-01), Kujik
patent: 5126865 (1992-06-01), Sarma
patent: 5296870 (1994-03-01), Nicholas

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