Patent ID: 7993033
Filing Date: 2011-08-09
Classification: F21S,F21V,F21Y

Abstract:
1. A lighting apparatus comprising: a thermally conductive main body; an annular-shaped reflector mounted on the main body; a substrate mounted between the main body and the reflector, on which a plurality of light-emitting elements are provided; and securing means for securing the substrate to the main body and securing the main body to the reflector; wherein the reflector defines a plurality of floodlight openings respectively exposing the plurality of light-emitting elements to a front surface side, the reflector comprising: a plurality of partition walls which respectively partition the plurality of floodlight openings by respectively surrounding them, the plurality of partition walls including a plurality of radially extending partition walls and at least one inner circumferential partition wall located between a center of the reflector and an outer circumference of the reflector; and a plurality of reflection concave surfaces each which open and widen from a respective one of the plurality of floodlight openings towards ridge lines of the plurality of partition walls which respectively surround the plurality of floodlight openings, wherein a thickness of the radially extending partition walls is larger than a thickness of the at least one inner circumferential partition wall.