A light emitting assembly includes: a heat sink having a base wall and at least one mesa protruding from the base wall; and at least one light emitting package unit having at least one light emitting package bonded to the mesa so as to transfer heat generated from the light emitting package to the base...http://www.google.com/patents/US8071998?utm_source=gb-gplus-sharePatent US8071998 - Light emitting assembly
