LIQUID CRYSTAL DISPLAY DEVICE, TELEVISION RECEIVER AND METHOD OF CONTROLLING BACKLIGHT OF LIQUID CRYSTAL DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Apr 20, 2017
app pub date -
May 19, 2016
filing date -
Oct 14, 2015
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Abstract
According to one embodiment, a liquid crystal display device includes a liquid crystal display panel, a backlight, a liquid crystal driving unit and a backlight driving unit. In each area, when the brightness level calculated based on the video signal is greater than or equal to a first threshold level, the backlight driving unit fixes a driving current supplied to the light emitting elements in one frame period and controls a lighting time according to the calculated brightness level. In each area, when the brightness level is less than the first threshold level, the backlight driving unit fixes the lighting time of the light emitting elements in one frame period and controls the driving current according to the calculated brightness level.
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