Patent ID: 9010966
Filing Date: 2015-04-21
Classification: F21K,F21V,Y10S

Abstract:
1. A light emitting diode (LED) light bulb, comprising: a thermally conductive base; at least one LED assembly disposed on and thermally coupled to a surface of the base, the at least one LED assembly comprising at least one LED configured to emit light; a thermal optical diffuser that defines an interior volume, the at least one LED arranged to emit light into the interior volume and through the thermal optical diffuser, the thermal optical diffuser disposed on the surface of the base and extending from the base to a terminus on a light emitting side of the LED assembly, the thermal optical diffuser including one or more openings; and an array of optical elements disposed within the interior volume and configured to direct the emitted light toward the openings, the thermal optical diffuser and the array of optical elements arranged to allow convective air flow between the interior volume of the thermal optical diffuser and ambient environment.