Driver circuit and display device

Details Driver circuit and display device Driver circuit and display device

2005-10-18

2010-10-12

Mengistu, Amare (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S099000, C345S212000

Reexamination Certificate

active

07812805

ABSTRACT:
To provide a driver circuit that enables reduction in the number of elements formed through a high-voltage process and in chip size. An embodiment of the present invention relates to a driver circuit for inversion-driving a liquid crystal display panel, including: a positive-polarity line transmitting a positive display signal relative to a common electrode signal; a negative-polarity line transmitting a negative display signal relative to the common electrode signal; a dot inversion switch circuit switching the positive-polarity line and the negative-polarity line from each other to be connected with a source line; a charge recovery circuit connected with the positive-polarity line through a positive charge recovery switch and connected with the negative-polarity line through a negative charge recovery switch; and a common short circuit connecting the positive-polarity line and the negative-polarity line with a common electrode.

REFERENCES:
patent: 5528256 (1996-06-01), Erhart et al.
patent: 5748165 (1998-05-01), Kubota et al.
patent: 6049321 (2000-04-01), Sasaki
patent: 7084852 (2006-08-01), Nishi et al.
patent: 2002/0041281 (2002-04-01), Yanagi et al.
patent: 1115535 (1996-01-01), None
patent: 1444201 (2003-09-01), None
patent: 2001-515225 (2001-09-01), None

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