Patent ID: 8894246

Claim:
A light emitting unit comprising: a first cover; a second cover coupled to the first cover; a light emitting module comprising a circuit board and a light emitting diode on the circuit board; and a plurality of radiation pads disposed on the light emitting module; wherein the first cover comprises a support extended from an inner surface of the first cover, wherein the first cover is fixed to the light emitting module and releases heat from the light emitting module, wherein the plurality of radiation pads are thermally in contact with both the circuit board and an inner circumference of the first cover so as to release heat generated from the circuit board, wherein the plurality of radiation pads comprise at least two radiation plates, wherein at least two of the radiation plates are parallel to each other, wherein one end of each of the radiation pads is in contact with the inner circumference of the first cover, and wherein one end of each of the at least two radiation plates is in contact with the inner circumference of the first cover.