LCD gate line drive circuit

Details LCD gate line drive circuit LCD gate line drive circuit

1996-09-05

1999-02-09

Brier, Jeffery

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

G09G 336

Patent

active

058700714

ABSTRACT:
An LCD gate line drive circuit is constituted by plural stages of TFT-LCD drive circuits which are each composed of a shift register, a set/reset flip-flop and a buffer section and which are successively driven repeatedly. A set input terminal in each stage of drive circuit is connected to an output terminal of the preceding stage of drive circuit, while a reset input terminal in each stage of drive circuit is connected to an output terminal of the succeeding stage of drive circuit, and an operating bias current in the buffer section of the stage concerned is turned ON only during the period from the start of drive in the preceding stage until the start of drive in the succeeding stage.

REFERENCES:
patent: 5194853 (1993-03-01), Asada
patent: 5448259 (1995-09-01), Hidaka
patent: 5701136 (1997-12-01), Huq et al.

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