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LIQUID CRYSTAL DISPLAY DEVICE AND CONTROL METHOD THEREFOR

  • US 20120206513A1
  • Filed: 07/23/2010
  • Published: 08/16/2012
  • Est. Priority Date: 11/20/2009
  • Status: Active Grant
First Claim
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1. A liquid crystal display device that performs display by input thereto of image signals for three colors from outside,the liquid crystal display device comprising a liquid crystal display panel and a backlight, wherein:

  • a plurality of pixels each including picture elements of four colors or more are formed in a display region of the liquid crystal display panel;

    each pixel includes picture elements of three colors, provided with color filters having colors corresponding to the respective colors of the image signals, and at least one picture element of other color(s), provided with a color filter having a color corresponding to a color other than the colors of the image signals;

    a light emission intensity of the backlight can be controlled in accordance with image signals input; and

    the light emission intensity of the backlight when a monochromatic color or a color close to a monochromatic color is displayed in the display region is greater than the light emission intensity when white is displayed in the display region, provided that the term “

    color close to a monochromatic color”

    refers to a color when a picture element that transmits light of which components include the monochromatic color and that is included in the at least one picture element of other color(s) is set to a gradation other than a highest gradation, and a picture element that transmits the monochromatic color is set to a highest gradation.

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