Driving apparatus for liquid crystal display

Details Driving apparatus for liquid crystal display Driving apparatus for liquid crystal display

1995-07-20

1998-06-09

Liang, Regina

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 94, G09G 336

Patent

active

057642109

ABSTRACT:
A driving apparatus for a liquid crystal display is disclosed including a liquid crystal display panel for displaying an image signal, a scan line driver for driving pixels of the liquid crystal display panel in units of lines, a signal line driver for applying image data to the pixels of the liquid crystal display panel, a video signal processor for processing an externally input composite video signal, a common electrode correcting circuit for gain-controlling an integration value of one period of the video signal output from the video signal processor to thereby output a common electrode correcting signal, and a common electrode driving circuit for applying the output signal of the common electrode correcting circuit to common electrodes of the respective pixels of the liquid crystal display panel.

REFERENCES:
patent: 3996456 (1976-12-01), Hoover
patent: 4525710 (1985-06-01), Hoshi et al.
patent: 5283477 (1994-02-01), Shibata
patent: 5537129 (1996-07-01), Okada et al.

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