Patent ID: 7742123
Filing Date: 2010-06-22
Classification: G02B,G02F

Abstract:
1. A color-filterless liquid crystal display comprising: a light guide plate uniformly emitting light, which is incident from both lateral sides of the light guide plate, through a top surface thereof; first and second light sources disposed on the both lateral sides of the light guide plate; a color separation sheet disposed on the top surface of the light guide plate and adapted to separate incident light into red, green, and blue light beams and emit the light beams at different exit angles; a liquid crystal panel having a liquid crystal layer divided into a plurality of pixels; and an optical element sheet disposed on a bottom surface of the liquid crystal panel and that includes a plurality of optical elements focusing the red, green, and blue light beams separated by the color separation sheet on three different pixels that are continuously arranged, wherein the first and second light sources are turned on alternately and repeatedly at a predetermined speed, and wherein the predetermined speed is approximately double a frame rate.