Patent ID: 8684563

Claim:
A heat dissipating structure for dissipating heat produced by a light emitting unit, comprising: a lamp cup comprising a porous material and having a containing cavity and a base extending from the containing cavity; a lamp holder disposed in the containing cavity to cover the containing cavity, the lamp holder having a containing space for containing a lamp of the light emitting unit; a heat conduction medium on an external surface of the containing cavity and the base of the lamp cup; a metal hood covering an entire external side of the containing cavity and an external surface of the base of the lamp cup so that the metal hood and the lamp holder are coupled with each other to sheathe the lamp cup; and a light transmitting body installed in the containing space for refracting light emitted from the lamp of the light emitting unit, a top surface of the light transmitting body being substantially at the same level with a top surface of the lamp holder.