Patent ID: 7042527
Filing Date: 2006-05-09
Classification: G09G,H04N

Abstract:
1. A method of displaying a color video picture by sequentially displaying color images on a display device and switching illumination light colors depending on the displayed color images according to a field sequential process, said method comprising the steps of: illuminating a display device having a matrix of pixels, with adjacent four pixels as a unit, with illuminating lights including a red illuminating light, a green illuminating light, a blue illuminating light, and an achromatic illuminating light, such that the illuminating lights applied to the pixels in each unit have different colors from each other and the colors of the illuminating lights are switched in each field period; generating a red video signal, a green video signal, a blue video signal, and an achromatic video signal from a color video signal so as to correspond to the colors of the illuminating lights applied to the pixels in each unit; and energizing said display device with the generated video signals to display a color video picture thereon.