Patent ID: 7431493

Claim:
A liquid crystal display, comprising: a liquid crystal display panel assembly for displaying an image by controlling a liquid crystal layer; and a backlight assembly including: (i) a lamp assembly for supplying a first light; (ii) a light guiding plate comprising: a light input face into which the first light is input; at least two light guiding plate side faces; a light reflection face that is adjacent to the light input face and the light guiding plate side faces, the light reflection face having at least one brightness enhancement recess and at least one brightness enhancement protrusion, wherein the brightness enhancement recess reflects at least a second light that is reflected by the light guiding plate side faces toward the liquid crystal display panel assembly to enhance brightness, wherein the brightness enhancement protrusion formed on at a surface thereof to reflect a light leaked through the light reflection face toward the liquid crystal display panel assembly to reproduce the leaked light; and a light output face allowing the light to be outputted from the light reflection face and having a brightness concentration pattern formed in the light output face.