Computer graphics processing and selective visual display system – Display driving control circuitry
Reexamination Certificate
2007-09-18
2007-09-18
Shalwala, Bipin (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
C345S037000, C345S210000, C345S211000, C345S214000, C315S169400
Reexamination Certificate
active
10846655
ABSTRACT:
A scan electrode drive of an apparatus for driving a plasma display panel includes a switching output circuit, a reset/sustain circuit, an upper scan circuit, a lower scan circuit, a first switching circuit, and a second switching circuit. The switching output circuit includes upper transistors, lower transistors each paired with corresponding upper transistor, and common output lines of the respective upper and lower transistor pairs, and the common output lines are connected to the scan electrode lines, respectively. The reset/sustain circuit outputs the driving signals during the reset period and the display-sustain period. The first switching circuit connects or disconnects the upper common power line of all of the upper transistors of the switching output circuit to or from an output terminal of the reset/sustain circuit. The second switching circuit connects or disconnects the lower common power line of all of the lower transistors of the switching output circuit to or from the output terminal of the reset/sustain circuit.
REFERENCES:
patent: 7075528 (2006-07-01), Sano et al.
patent: 2003/0001513 (2003-01-01), Onozawa et al.
patent: 2002-0094713 (2002-12-01), None
Chae Seung-Hun
Choi Hak-Ki
Jeong Woo-Joon
Kang Kyoung-Ho
Yoo Min-Sun
H.C. Park & Associates PLC
Kovalick Vincent E.
Samsung SDI & Co., Ltd.
Shalwala Bipin
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