Liquid crystal display device
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United States of America Patent
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May 3, 2016
Grant Date -
Jun 4, 2015
app pub date -
Feb 9, 2015
filing date -
Aug 20, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid crystal display device comprising a liquid crystal panel, a backlight, a liquid crystal panel drive controller, and a backlight drive controller determining a luminance pattern defining a magnitude of luminance of each of the plurality of illumination parts on the basis of luminance information corresponding to each area to perform an area control for separately controlling the luminances of the plurality of illumination parts in accordance with the luminance pattern, the backlight drive controller having a special area control mode for performing the area control by determining the luminance pattern common to a plurality of frames of the image displayed on the display region, wherein the backlight drive controller, in the special area control mode, performs computation of an average value of the luminances of respective pixels of the image on the basis of the image signal for the plurality of frames to determine the luminance pattern.
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