Patent ID: 9140441
Filing Date: 2015-09-22
Classification: F21V,F21Y

Abstract:
1. A lighting device, comprising: a light emitting diode (LED); a heat exchanger with which the LED is disposed in heat transfer relationship; a reflector having a proximal end disposed about the LED; a driver circuit disposed on a substrate for operating the LED wherein the driver circuit is adapted to be directly connected to an alternating current (AC) power source; a diffuser disposed on a distal end of the reflector; and a mounting collar for maintaining the heat exchanger, the LED, the reflector, and the diffuser in assembled relationship; wherein a profile to lumen ratio of the entire lighting device is one of no greater than about 1.2 cm wherein the lighting device has a weight to lumen ratio of no greater than about 2.5 g per lumen (0.09 oz per lumen).