A light emitting diode lighting device and system that can be used for illuminating the interior and/or exterior of vehicles, aircraft, watercraft, signage or buildings is provided. It includes a voltage feedback constant current power supply circuitry and high power LEDs. The printed circuit assemblies...http://www.google.es/patents/US7307391?utm_source=gb-gplus-sharePatente US7307391 - LED lighting system
