Method for driving a plasma display panel with attenuation extimation and compensation and corresponding apparatus
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United States of America Patent
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Aug 6, 2013
Grant Date -
Jan 8, 2009
app pub date -
Feb 16, 2008
filing date -
Feb 20, 2006
priority date (Note) -
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Abstract
The picture quality on a plasma display panel shall be improved when the contrast and/or the brightness are reduced. This is achieved by estimating the reduction of the dynamic occurring in the front-end of the data processing of the plasma display device and by compensating it in the back-end. Specifically, the gain and/or offset of the video input data are adjusted and the power level of the adjusted video data is measured. The resulting power level information is updated on the basis of an attenuation information. The updated power level is used for the power management and the level of the video data being reduced in the front-end is increased on the basis of the attenuation information. Thus, the dynamic of the video and, as a result, the picture quality are improved.
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