Patent ID: 9188305
Filing Date: 2015-11-17
Classification: F21S

Abstract:
1. A cooling device for vehicle headlights, comprising: an LED light source held in a housing sealed with a lens; a reflector that reflects a light emitted from the LED light source; a heat sink that is disposed behind the reflector; a heat pipe that transports heat generated by the LED light source to the heat sink by a working fluid encapsulated therein; a flat cuboid vapor chamber that serves as a heat collector on which the LED light source is mounted; wherein the heat sink is comprised of a base covering the reflector from behind and above while keeping a distance therebetween, and a plurality of fins erected vertically to extend from the base in the opposite side of the reflector; wherein a surface area of lower section of the fin is smaller than that of an upper section; wherein the heat pipe includes wherein the reflector is isolated from the vapor chamber and the heat pipes.