An apparatus comprising: a circuit board (104) having a top surface and a bottom surface opposite the top surface; at least one light emitting diode (102) mounted on the top surface of the circuit board; a first set of thermal contact areas (148) on the bottom surface of the circuit board; and a second set of thermal contact areas (148) on the top of the circuit board wherein the second set of thermal contact areas are exposed adjacent to the light emitting diodes.