Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Reexamination Certificate
2006-05-09
2010-10-05
Awad, Amr (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
C345S212000, C345S213000, C345S001100, C345S001200, C345S001300
Reexamination Certificate
active
07808496
ABSTRACT:
The present invention relates to an apparatus for supplying power source for providing certain voltage to a first display device and a second display device. The apparatus for supplying power source includes a boosting circuit, a boosted voltage detecting circuit and an output selecting circuit. The boosting circuit boosts a battery voltage. The boosted voltage detecting circuit detects the boosted battery voltage, and transmits the detection result to the boosting circuit. The output selecting circuit is coupled to the boosting circuit and the boosted voltage detecting circuit, and provides selectively the boosted battery voltage to a first display device and a second display device. The apparatus provides certain voltage to a first display device and/or a second display device, and thus the size of a dual panel apparatus employing the display devices may be reduced.
REFERENCES:
patent: 4338531 (1982-07-01), Corso
patent: 6369558 (2002-04-01), Umemoto
patent: 2004/0252096 (2004-12-01), Wang et al.
patent: 2005/0116655 (2005-06-01), Yazawa
patent: 1541439 (2004-10-01), None
patent: WO 03/038981 (2003-05-01), None
Kim Hak Su
Woo Kyoung Don
Awad Amr
LG Display Co. Ltd.
Matthews Andre
Morgan & Lewis & Bockius, LLP
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