Patent ID: 8531367

Claim:
A liquid crystal display device, comprising: a converter for converting a three-color pixel data into a converted data; an amplifier for amplifying the converted data; a first calculator for generating a four-color pixel data comprising: a zero gray level value in one of the four colors; a non-zero gray level value in the remaining three colors; and a white data having a non-zero white gray level value equal to a minimum gray level in each of the amplified converted four colors; and a controller for partitioning the four-color pixel data into: first and second data to be applied to green and magenta sub-pixels of a display panel, respectively, during a first part of a display period; and third and fourth data to be applied to the green and the magenta sub-pixels, respectively, during a second part of the display period, the controller applying the white data to a white sub-pixel of the display panel during the first and second parts of the display period, wherein the first, the second, the third, and the fourth data represent cyan, the blue, the green, and the red data, respectively, and wherein the first display period is irradiated with cyan light, and the second display period is irradiated with yellow light.