Patent ID: 8395644
Filing Date: 2013-03-12
Classification: G09G

Abstract:
1. A liquid crystal display device comprising: a liquid crystal display panel on which data lines and gate lines are disposed crosswisely each other, wherein one frame of the liquid crystal display panel is divided into a first sub frame period and a second sub frame period; a controller for modulating a first color input data and a third color input data with a gray scale value of a first modulation width, and for modulating a second color input data and a fourth color input data with a gray scale value of a second modulation width higher than the first modulation width; a panel driving circuit for supplying a first modulated color input data, a second modulated color input data and a third modulated color input data to the liquid crystal display panel for the first sub frame period, and for supplying the first modulated color input data, the third modulated color input data and a fourth modulated color input data to the liquid crystal display panel for the second sub frame period; and a backlight device irradiating a first color light, a second color light and a third color light corresponding to the first, second and third modulated color input data to the liquid crystal display panel for the first sub frame period, and irradiating the first color light, the third color light and a forth color light corresponding to the first, third and fourth modulated color input data to the liquid crystal display panel for the second sub frame period, wherein the first modulated color input data, the second modulated color input data, the third modulated color input data and the fourth modulated color input data are each of different modulated color input data of red, green, blue and cyan color.