Patent ID: 8529081
Filing Date: 2013-09-10
Classification: F21V,F21Y

Abstract:
1. A headlamp device comprising: a circuit board; a light source mounted to the circuit board; and a housing comprising: a first portion comprising a recess provided in a front surface of the first portion, a first cavity defined by a rear surface of the first portion, and a first set of external surfaces adapted to operate as a first heat sink to dissipate heat from the recess and the first cavity, wherein the light source and the circuit board are disposed within the recess, a second portion comprising a second cavity substantially separate from the first cavity, and a second set of external surfaces adapted to operate as a second heat sink to dissipate heat from the second cavity, wherein substantially all external surfaces of the housing are adapted to be exposed to ambient air when the headlamp device is in use and are included in the first and second sets of external surfaces, and wherein the housing is adapted to be offset from a head of a user by an air gap when the headlamp device is in use and positioned on the head of the user.