Driver for active matrix type liquid crystal display device

Details Driver for active matrix type liquid crystal display device Driver for active matrix type liquid crystal display device

1992-07-29

1993-09-07

Oberley, Alvin E.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

307355, 345211, G09G 336

Patent

active

052433331

ABSTRACT:
A driver for an active matrix type liquid crystal display device includes a CMOS transfer switch group capable of arbitrarily selecting a drive reference voltage, a CMOS transfer switch for transferring a drive reference voltage selected by the CMOS transfer switch group to a driver output terminal, and an operational amplifier connected in the form of a voltage follower. The liquid crystal driver output voltage quickly reaches an arbitrarily selected drive reference voltage, and a stable voltage coinciding with the reference voltage can be applied to the liquid crystal display device.

REFERENCES:
patent: 4356483 (1982-10-01), Fujita et al.
patent: 4760287 (1988-07-01), Goto et al.
patent: 4857906 (1989-08-01), Conner
patent: 5010338 (1991-04-01), Miki et al.
patent: 5066945 (1991-11-01), Kanno et al.

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