Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Reexamination Certificate
2007-05-01
2007-05-01
Eisen, Alexander (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
C345S076000, C345S083000, C345S088000, C345S089000, C345S099000, C345S690000
Reexamination Certificate
active
10673635
ABSTRACT:
A display device includes color display pixels, a driving circuit, and signal lines X1, X2and X3. The driving circuit is provided with a reference gray scale signal circuit, a digital-to-analog conversion circuit and a signal supply circuit. The signal supply circuits provides signal lines X1, X2and X3with analog signals as video signals when reference gray scale signals are outputted in accordance with color characteristics of the pixels. The signal supply circuit also provides signal lines X1, X2and X3with preliminary analog video signals converted in response to the reference gray scale signals corresponding to color characteristics of other pixels when video signals are supplied to other signal lines during each horizontal scanning period.
REFERENCES:
patent: 6702407 (2004-03-01), Azami
patent: 6879310 (2005-04-01), Nose
patent: 7034797 (2006-04-01), Maki
Nakamura Norio
Sakurai Hiroyuki
Eisen Alexander
Kabushiki Kaisha Toshiba
Pillsbury Winthrop Shaw & Pittman LLP
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