Patent ID: 8950903
Filing Date: 2015-02-10
Classification: F21K,F21V,F21Y

Abstract:
1. An LED light bulb emitting light rays in a downward direction comprising: a lamp cap, a base, a lamp body and a lamp cover that being successively connected together to form an integration of them, a driver board received in an inner cavity of the lamp body, an aluminum substrate and an LED light source assembly arranged on the aluminum substrate both set on a mounting plane of the lamp body, a through-hole set at the center of the aluminum substrate and a through-hole set at the center of the mounting plane of the lamp body, a closing ring of the driver board piercing through the through-holes from the inner cavity of the lamp body so as to connect wires on the driver board to the aluminum substrate, and a screw screwed into a screw hole of the base so as to connect together the aluminum substrate, the lamp body and the base, characterized in that: a reflector assembly is arranged in the center of a spherical cavity of the lamp cover the reflector assembly is composed of a reflector support, and a reflector fastened to the reflector support, wherein the reflector is composed of a trumpet-shaped milky cover, and a hook fastener arranged on an inner ring surface of an opening at the bottom of the cover for fastening the fastener of the reflector support.