Patent ID: 7580083
Filing Date: 2009-08-25
Classification: G02B,G02F

Abstract:
1. A color-filterless liquid crystal display (LCD) device comprising: a backlight unit which emits white light; a light path converter which refracts white light emitted from the backlight unit and emits white light at an oblique angle; a color separation sheet facing the light path converter which separates the obliquely incident white light into red, green, and blue light; wherein the emission angles of each of the red, green, and blue light are different; a liquid crystal panel comprising a liquid crystal layer divided into a plurality of pixels; and an optical device sheet, disposed on a lower surface of the liquid crystal panel, comprising a plurality of optical devices which focus each of the red, green, and blue light emitted form the color separation sheet onto different pixels of the liquid crystal panel, wherein the light path converter comprises a plurality of juxtaposed prism patterns protruding toward the backlight unit.