Liquid crystal display device achieving predetermined color temperature while preventing a shift in color tone by correcting blue luminance
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United States of America Patent
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May 28, 2013
Grant Date -
Apr 15, 2010
app pub date -
Sep 20, 2007
filing date -
Sep 26, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid crystal display device includes a liquid crystal display panel having a pixel defined by at least three sub-pixels including a blue sub-pixel, a backlight which emits, toward the liquid crystal display panel, light that brings a color temperature to a predetermined level when the pixel displays white, and a color tone correction circuit which corrects a color tone of a color displayed by the pixel. When the pixel displays a color containing at least one predetermined color component that is other than a white component and a blue component, the color tone correction circuit performs a correction to set a luminance of the blue sub-pixel lower than an original luminance.
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