Liquid crystal display device, method for controlling the...

Details Liquid crystal display device, method for controlling the... Liquid crystal display device, method for controlling the...

2007-09-18

2007-09-18

Awad, Amr A. (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

C345S214000, C345S100000

Reexamination Certificate

active

10618012

ABSTRACT:
An active-matrix liquid crystal display device has pixels arranged in a matrix which each include a thin film transistor (TFT) as an active element. When the device is in a power-off state, TFTs in all the pixels are switched on, and all horizontal switches are turned on so that all data lines are supplied with a potential equal to the potential of common electrodes of the pixels. This forms a discharging path for discharging residual charge in all the pixels, and the discharging path can instantaneously discharge the residual charges.

REFERENCES:
patent: 5248963 (1993-09-01), Yasui et al.
patent: 6594606 (2003-07-01), Everitt
patent: 6621489 (2003-09-01), Yanagisawa et al.

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