Patent ID: 8390757

Claim:
A backlight unit comprising: a main support formed using a mold which opens upward; a plurality of light source units disposed on one side of the main support; a light guide plate disposed parallel to the light source units and configured to convert dot light emitted from the light source units into two-dimensional light; and optical sheets disposed on the light guide plate, wherein the main support is provided with a light incident space, which allows light emitted from the light source units to be entirely and evenly entered to the light guide plate, on its one side opposite to the light source units, wherein the light incident space is in areas corresponding to an intersection region and both side edge regions of light emission ranges of the light source units, wherein the intersection region is formed on dark portions crossed lights emitted from each of the light source units, wherein the light source includes a flexible printed circuit board and a plurality of light emitting diodes arranged on a rear surface of the flexible printed circuit board, and wherein the light incident space is formed between the plurality of light source units and the light guide plate.