Patent ID: 8162500

Claim:
A backlight unit comprising: a plurality of LED chips; a printed circuit board on which a plurality of LED chips are disposed and a pattern for supplying power is formed; optical sheets, which are disposed on an upper side of the printed circuit board, to collect and diffuse light emitted from the LED chips; and a reflector, which is disposed on the printed circuit board and includes a reflecting section that reflects light emitted from the LED chips and a supporting section that supports the optical sheets, wherein the supporting section of the reflector is integrally formed with the reflecting section of the reflector, wherein the supporting section has a structure of being bent wherein the supporting section includes a first surface bending with an upper direction, a second surface bending with an outside direction and a third surface bending with a lower direction, wherein the reflecting section of the reflector includes a plurality of first holes exposing the LED chips of the printed circuit board to the outside and a plurality of second holes fixing the reflecting section to the printed circuit board using a coupling part; wherein the diameter of the first hole is larger than the diameter of the second hole.