Patent ID: 8106872

Claim:
An image display comprising: a white-light source for generating white light during a frame time; a green-light source for generating green light during the frame time; a plurality of pixels disposed corresponding to the white-light source and the green-light source, wherein each of the pixels has a red sub-pixel, a blue sub-pixel and a white sub-pixel; and a color filter substrate having a plurality of red filter layers and a plurality of blue filter layers respectively corresponding to the red sub-pixels and the blue sub-pixels, and having a plurality of filter-layer-free regions corresponding to the white sub-pixels, wherein the red sub-pixels, the blue sub-pixels and the white sub-pixels are turned on to let the white light pass through, and then the red sub-pixels and the blue sub-pixels are turned off while the white sub-pixels are turned on to let the green light pass through to form an image during the frame time; and wherein a length of the frame time is equal to 1/60 seconds, the white-light source generates the white light for a time length equal to 1/120 seconds, and the green-light source generates the green light for a time length equal to 1/120 seconds.