Plasma Display Device
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United States of America Patent
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Issued Date -
Sep 10, 2009
app pub date -
Aug 4, 2005
filing date -
Aug 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a plasma display device for controlling the power voltage of a pre-drive circuit in a manner to correspond to the change in a display percentage. The plasma display device is characterized in that the display percentage of a display screen is detected from a signal inputted, so that the amplitude of a drive pulse to be fed to a sustain output element is controlled on the basis of the display percentage, and in that a sustain current to flow for a sustain period is detected by a sustain current detection circuit so that the amplitude of a drive pulse to be fed to the sustain output element is controlled on the basis of the detection result.
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