A light emitting apparatus includes a metallic substrate having at least one recess on the surface and at least one projection opposing the recess on the back surface thereof, a light emitting element mounted in the recess of the metallic substrate, the light emitting element having a pair of positive...http://www.google.fr/patents/US20050073846?utm_source=gb-gplus-shareBrevet US20050073846 - Lightemitting device and method of manufacturing the same
Lightemitting device and method of manufacturing the same
