Method of controlling backlight module, backlight controller and display device using the same
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United States of America Patent
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Dec 21, 2010
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app pub date -
Sep 26, 2007
filing date -
Sep 26, 2007
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Abstract
A method of controlling a backlight module, a backlight controller and a display device using the same are provided herein. The method includes receiving an image having a plurality of regions, wherein the image is displayed by a plurality of color backlights. Next, a feature in a first region of the image and the feature in a second region of the image are analyzed to obtain a spatial weight, wherein the first region and the second region of the image is one of the regions and the second region is neighboring to the first region. Next, the feature in the first region of the image and the feature in the corresponding first region of the preciously received image are analyzed to obtain a temporal weight. One of the color backlights provided to the first region of the image is adjusted according to the spatial weight and the temporal weight.
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