Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Reexamination Certificate
2006-03-14
2006-03-14
Osorio, Ricardo (Department: 2673)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
C345S087000, C345S096000
Reexamination Certificate
active
07012599
ABSTRACT:
A method for reducing power consumption of an LCD panel in a standby mode. The LCD panel includes a plurality of pixel drivers and a plurality of data drivers. Each pixel driver has a liquid crystal capacitor, a storage capacitor, a selection circuit, and four switches. Each data driver has a shift register, a comparator, and several switches. The method includes transmitting data from a signal line to the comparator and comparing the data with a reference voltage, then transmitting a corresponding control signal outputted from the comparator to the selection circuit via the data line, the selection circuit outputting a corresponding display signal to the liquid crystal capacitor according to the control signal.
REFERENCES:
patent: 6538647 (2003-03-01), Chen et al.
patent: 2002/0149557 (2002-10-01), Goetz et al.
patent: 2002/0196224 (2002-12-01), Ham
patent: 2003/0025660 (2003-02-01), Miyazawa et al.
AU Optronics Corp.
Hsu Winston
Osorio Ricardo
Said Mansour M.
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