Active-matrix display system with less signal line drive circuit

Details Active-matrix display system with less signal line drive circuit Active-matrix display system with less signal line drive circuit

1997-12-08

2000-06-13

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 87, 345 95, 345147, 345100, G09G 336, G09G 510

Patent

active

060755075

ABSTRACT:
An active matrix liquid display system where two scanning lines are successively selected within one horizontal scanning period, by which display voltages are written on pixels lined up in a horizontal direction, and the voltage supplied to a signal line when an even number display pixel is selected and the voltage supplied to a signal line when an odd number display pixel is selected are switched according to a gradation voltage generated from a gradation power source. Accordingly, when there is implemented a dot inversion drive in the active matrix liquid display system where there are less number of signal line drive circuits, and when a former stage pixel is subjected to modulation due to interpixel parasitic capacitance, it is possible to equalize an electric voltage of the former stage pixel being modulated as a latter stage pixel is being written with an electric voltage of the latter stage pixel, owing to revision of a gradation voltage of the former stage pixel.

REFERENCES:
patent: 5250937 (1993-10-01), Kikuo et al.
patent: 5614923 (1997-03-01), Gotou et al.
patent: 5625387 (1997-04-01), Moon
patent: 5877737 (1999-03-01), Kim et al.
patent: 5912655 (1999-06-01), Hoshimo et al.

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