Patent ID: 8502933

Claim:
A backlight unit, comprising: a single unitary indivisible mold frame comprising: a base portion and an intermediate portion extended from a first sidewall and parallel to each other, and a printed circuit board fixing portion defined by the base portion, the intermediate portion and the first sidewall; a metal core printed circuit board on which at least one light emitting diode is mounted; a reflector; a light guide plate; and an optical sheet; wherein the metal core printed circuit board overlaps the base portion of the mold frame and is directly and removably disposed in the printed circuit board fixing portion of the first side wall, and a lower surface of the metal core printed circuit board is exposed to an outside of the mold frame when the metal core printed circuit board is disposed in the printed circuit board fixing portion and overlaps the base portion of the mold frame; wherein the reflector, the light guide plate and the optical sheet are sequentially disposed on the metal core printed circuit board; and wherein the light guide plate comprises a light entering surface facing the light emitting diode.