The Par 36 LED lamp may be a replacement and/or original LED lamp adapted for use in applications previously utilizing a Par 36 size lamp having as incandescent, halogen, and/or gaseous discharge xenon illumination source. The Par 36 LED lamp is generally formed of a heat sink housing holding as array...http://www.google.fr/patents/US20020093820?utm_source=gb-gplus-shareBrevet US20020093820 - Led reflector