Method for power level control of a display and apparatus for carrying out the method
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United States of America Patent
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Jan 6, 2004
Grant Date -
N/A
app pub date -
Aug 1, 2001
filing date -
Feb 1, 1999
priority date (Note) -
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Abstract
A method for power level control in a Plasma Display Panel with which the Peak White Enhancement Factor can be increased. The method includes the provision of a set of power level modes for the sub-field coding. To each power level mode a characteristic sub-field organization belongs. The sub-field organization is variable in respect to one or more of the following characteristics: the number of sub-fields the sub-field type the sub-field positioning the sub-field weight the sub-field pre-scaling a factor for the sub-field weights which is used to vary the amount of small pulses generated during each sub-field. The method includes the steps of determining a value which is characteristic for the power level of a video picture and selecting a corresponding power level mode for sub-field coding.
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