Patent ID: 9323103
Filing Date: 2016-04-26
CPC Classification: G02F,G09G,H04N

Claim Text:
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; wherein each 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.