Patent ID: 8678631

Claim:
A headlamp assembly for a motor vehicle comprising: a housing case, a front part of the housing case is open; a lens cover fitted to the front part of the housing case, and the lens cover and the housing case forming a light chamber; a light source, placed in the light chamber, for emitting light; a reflector, placed in the light chamber, for reflecting the light emitted from the light source toward a front direction of the headlamp assembly, and the reflector being placed at a rear position of the light source and partially surrounding the light source; a shade, placed in the light chamber, for cutting off a part of the light reflected by the reflector; a projection lens, placed in the light chamber, for projecting the light reflected by the reflector toward the front direction of the headlamp assembly through the lens cover; a radiating member, comprised of a plurality of radiating fins vertically placed in the light chamber, for radiating heat energy generated by the light source, each of the radiating fins having a plate shape; and a control plate placed in the light chamber and approximately crossing at a right angle to the radiating fins, and the projection lens, the shade, and the light source being arranged in order from a front end of the headlamp assembly along an axial direction of the light source; wherein the control plate is arranged around an outer periphery of the radiating fins, and has a size which is capable of suppressing a convection of ambient air around the radiating fins; and the radiating fins extend through an aperture defined by the control plate.