A light emitting diode headlamp capable of low beam and high beam functions. The light emitting diode headlamp assembly comprises high-flux light emitting diodes, a reflector subassembly, a first and second light transmissive member, and a heat sink....http://www.google.com.au/patents/US7070310?utm_source=gb-gplus-sharePatent US7070310 - Light emitting diode headlamp
