Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Reexamination Certificate
2006-06-27
2006-06-27
Liang, Regina (Department: 2674)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
C345S060000
Reexamination Certificate
active
07068264
ABSTRACT:
A flat display employs at least one high voltage different from logic voltages. The display has a voltage detection unit and a drive control signal control unit. The voltage detection unit is used to detect the high voltage. The drive control signal control unit is used to control drive control signals of the flat display in accordance with the detected high voltage. This arrangement eliminates charging currents that are applied to a display panel but have nothing to do on the actual displaying of data, or reactive currents due to unnecessary switching operations, thereby reducing power consumption.
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Matsui Naoki
Tomio Shigetoshi
Yao Shinpei
Dinh Duc
Hitachi , Ltd.
Liang Regina
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