Patent ID: 8021032

Claim:
A light emitting diode back light module, comprising: a metal support, having a recess and a plurality of holes formed on sidewalls of the metal support; a thermal conductive adhesion material, having a bottom surface in contact with a bottom portion of the recess; a circuit board, disposed on a top surface of the thermal conductive adhesion material, the circuit board fastened on the bottom portion of the recess of the metal support through the thermal conductive adhesion material, the circuit board having two long sides, two short sides, and a respective plurality of flanges on each of the two long sides, the flanges inserted into the holes of the metal support to compact the circuit board, the thermal conductive adhesion material and the metal support; and a plurality of light emitting diodes disposed on the circuit board, wherein heat generated by the light emitting diodes is delivered to the metal support through the thermal conductive adhesion material.