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Liquid crystal display device

  • US 9,323,103 B2
  • Filed: 03/03/2011
  • Issued: 04/26/2016
  • Est. Priority Date: 07/09/2010
  • Status: Expired due to Fees
First Claim
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1. A liquid crystal display device comprising:

  • a liquid crystal panel having a plurality of pixels;

    a backlight having at least one light source unit that emits light to the liquid crystal panel; and

    a control circuit that controls the liquid crystal panel and the backlight based on an input video signal;

    whereineach of the plurality of pixels has four or more sub-pixels;

    the four or more sub-pixels include a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a yellow sub-pixel;

    the light source unit includes a red light source, a green light source, and a blue light source; and

    a magnitude correlation between relative intensities of the red light source, the green light source, and the blue light source has a same magnitude correlation between respective relative intensities of red, green, and blue grayscale levels indicated in the input video signal.

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