An LED lamp includes a base, a bracket, a knob pivotably interconnecting the base and the bracket, and a reflector facing the base. The bracket includes two perpendicular arms on which multiple first LED modules and second LED modules are mounted. The first LED modules emit warm light, and the second...http://www.google.fr/patents/US8025421?utm_source=gb-gplus-shareBrevet US8025421 - Light emitting diode lamp
