Patent ID: 8727572
Filing Date: 2014-05-20
Classification: F21K,F21V,F21Y,H01L

Abstract:
1. A lighting apparatus comprising: a heat dissipator that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; a light-emitting device that is provided inside the heat dissipator at the bottom portion and is operable to emit light; and a reflector that is bowl-shaped and provided in the heat dissipator, and is operable to reflect the emitted light toward the opening, wherein the reflector is made of a base and a reflective film that covers the base, and the base is made of one of resin and glass, and has facets, the reflective film is a dielectric multilayer film that partially transmits the emitted light, the heat dissipator is made of one of a metal material, a non-translucent ceramic material, and a non-translucent resin material, the circumferential wall portion of the heat dissipator has one or more windows for leaking light transmitted through the reflector to an outside of the heat dissipator, and each window is provided in an area located between first and second virtual planes, the first virtual plane including an opening of the reflector, the second virtual plane passing through the light-emitting device and being perpendicular to a central axis of the reflector.