Electro-optical device and method of driving the same

Details Electro-optical device and method of driving the same Electro-optical device and method of driving the same

1993-04-23

1998-03-31

Sikes, William L.

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 37, 345 92, G02F 11333, G09G 336

Patent

active

057344531

ABSTRACT:
An active matrix display device including TFTs, picture-element electrode, stripe-shaped counter electrodes and liquid crystal interposed between these electrodes. The stripe-shaped counter electrodes are independently driven, and supplied with a pulse having opposite polarity to a pulse to be applied to the gate lines of the TFTs in synchronism with the pulse to the gate lines to thereby depress voltage variation .DELTA.V due to parasitic capacitance between the gate electrode of the TFT and the picture-element electrode, etc.

REFERENCES:
patent: 4697887 (1987-10-01), Okada et al.
patent: 4770501 (1988-09-01), Tamura et al.
patent: 4973135 (1990-11-01), Okada et al.
patent: 5151805 (1992-09-01), Takeda et al.
patent: 5227899 (1993-07-01), Nobuyuki

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