The light-emitting module according to the present invention comprises a heat dissipation element, a substrate for example a metal core printed circuit board (MCPCB), or FR4 board which is coupled to one or more light-emitting elements and provides a means for operative connection of the light-emitting...http://www.google.se/patents/US7348604?utm_source=gb-gplus-sharePatent US7348604 - Light-emitting module
