Display device and driving circuit for the same display method

Details Display device and driving circuit for the same display method Display device and driving circuit for the same display method

2004-09-10

2008-12-02

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S092000, C345S094000, C345S095000, C345S098000, C345S100000

Reexamination Certificate

active

07460114

ABSTRACT:
A display device is for carrying out display by supplying a data signal, that is supplied from a video signal line, to one of a plurality of pixel electrodes via a switching element, and by supplying a scanning signal for controlling ON/OFF state of the switching element to the switching element via a scanning signal line that is orthogonal to the video signal line and is connected to the switching element. When the scanning signal is outputted to the scanning signal line, the scanning signal has a falling waveform that first falls substantially vertically from an ON-level of the switching element in a direction of an OFF-level of the switching element, and then starts falling with a slope, and again falls substantially vertically before reaching the OFF-level of the switching element. As such, the writing of the data signal to the pixel electrode may be securely carried out even when the writing period for each scanning signal is reduced, thereby displaying a high-quality image.

REFERENCES:
patent: 5587722 (1996-12-01), Suzuki et al.
patent: 6229531 (2001-05-01), Nakajima et al.
patent: 6359607 (2002-03-01), Yanagi et al.
patent: 7002542 (2006-02-01), Lee
patent: 6-110035 (1994-04-01), None

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