A light emitting diode has both end faces metallized and is mounted on a substrate with the light emitting junction perpendicular to the substrate. The electrically conductive ends are electrically bonded to conductive areas on the substrate by solder or conductive adhesive. LED dice can be placed on...http://www.google.ca/patents/US5475241?utm_source=gb-gplus-sharePatent US5475241 - Light source and technique for mounting light emitting diodes
