GRADATION CONTROL METHOD AND DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Mar 4, 2010
app pub date -
Feb 13, 2009
filing date -
Aug 29, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a gradation control method, for a display device, in which one frame is divided into a plurality of subframes and lighting times for pixels corresponding to the subframes are controlled based on the sum of respective light-emitting times in the subframes, so that gradations of the pixels are rendered; the frame is divided into n (positive integer) subframes (e.g., SF1' to SF4') in each of which m (positive integer)-bit data is set and a subframe (SF5') in which p (positive integer smaller than m)-bit data is set. As a result, increase in a data setting time can be suppressed, even if the number of subframes is increased in order to enable complicated gradation control.
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