Patent ID: 9618678
Date: 2017-04-11
CPC Classifications: G02B

Claim:
1. A light-emitting diode (LED) light fixture, comprising: a wave guide having an aperture that traverses therethrough and an outer perimeter disposed opposite the aperture; at least one LED disposed within the aperture in the wave guide, wherein the at least one LED emits light through the aperture in the wave guide toward the outer perimeter of the wave guide, wherein the light emitted by the at least one LED is directed through a bottom surface of the wave guide between the aperture and the outer perimeter; a LED driver electrically coupled to the at least one LED; a heat sink disposed adjacent to a top surface of the wave guide and thermally coupled to the at least one LED, wherein the heat sink comprises a portion that receives the outer perimeter of the wave guide; an electrical insulator that abuts against and is disposed between the at least one LED and the heat sink, wherein the electrical insulator comprises thermally conductive material; a retainer plate that supports the wave guide, the electrical insulator, the at least one LED, and the heat sink, wherein the retainer plate directly abuts against, at least, the bottom surface of the wave guide and is mechanically coupled to the electrical insulator; a mounting plate comprising at least one mounting feature, wherein the mounting plate is mechanically coupled to the heat sink; a mounting bracket disposed atop and coupled to the mounting plate, wherein the LED driver is secured atop the heat sink by the mounting bracket; and a first fastening device that traverses the retainer plate, the aperture in the waveguide, the heat sink, the LED driver, and the mounting bracket.