Method and apparatus of driving plasma display panel
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United States of America Patent
Stats
-
Aug 25, 2009
Grant Date -
Feb 9, 2006
app pub date -
Jul 8, 2005
filing date -
Aug 5, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of driving a plasma display panel (PDP) and an apparatus for carrying out the method. The PDP includes address electrodes with first electrodes and second electrodes intersecting the address electrodes. Gray-scale levels being represented by combinations of sub-fields, each sub-field having a reset period, an address period, and a sustain-discharge period. The different gray scales are achieved not only by modifying the voltage waveforms in the sustain-discharge period but also by modifying the voltage waveforms in the reset period, allowing for better control over gray scales and better contrast. Different sub-fields can have different voltages applied during the reset period which affects the luminance of the image displayed. A circuit for making the above voltage waveforms is also presented.
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