A light emitting diode includes a frame having increased thickness to enable a bowl portion thereof to have an increased depth more than 0.6 mm. Radiating blocks are provided below the frame and a layer of radiation-enhancing material is applied over bottoms of the frame and the radiating blocks to increase...http://www.google.ca/patents/US6429464?utm_source=gb-gplus-sharePatent US6429464 - Light emitting diode
