Liquid-crystal display device having checkout circuit

Details Liquid-crystal display device having checkout circuit Liquid-crystal display device having checkout circuit

1997-08-13

2000-05-16

Brown, Glenn W.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324 731, G01R 3100

Patent

active

06064222&

ABSTRACT:
A liquid-crystal display device includes a substrate with a pixel area including a plurality of scanning buses, a plurality of data buses intersecting therewith and pixel transistors and pixel electrodes formed at the intersections therebetween; a scanning driver for energizing these scanning buses; and a data driver for presenting these data buses with data signals. A checkout circuit equipped with a plurality of checkout transistors connected to the corresponding data buses or scanning buses; an input bus for applying prescribed checkout signals to the plurality of checkout transistors; and an output bus for picking up the signals from the plurality of checkout transistors.

REFERENCES:
patent: 4972144 (1990-11-01), Lyon et al.
patent: 5113134 (1992-05-01), Plus et al.
patent: 5754158 (1998-05-01), Misawa et al.

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