Patent ID: 7859609

Claim:
A backlight unit for a liquid crystal display device, comprising: a reflector having a plurality of grooves, wherein each lower surface and each opening of the grooves is formed at the reflector; a plurality of light emitting diodes within the each lower surface of the grooves, wherein the plurality of light emitting diodes are light emitting diodes emitting different color light with each other, and each of the grooves contains three or more diodes from among red, green, blue and white diodes, and wherein the plurality of light emitting diodes emit light from both side and top surfaces; a light guiding plate formed above the reflector; and a plurality of diverters formed at a bottom surface of the light guiding plate corresponding to each of the plurality of the grooves, wherein each of the diverters corresponds to each of the grooves and the light emitting diodes within the each of the grooves.