Integrally formed heat sink and lamp housing for vehicle lamp assembly

A method of constructing a protective lamp housing for a vehicle lamp assembly of a motor vehicle having vehicle structure, the vehicle lamp assembly including a transparent or generally transparent lens and a light source configured to generate light, the method comprising:

• first-shot injection molding a housing body configured to attach to the vehicle structure of the motor vehicle, the housing body being formed with an internal chamber configured to store therein the light source, and with an open end configured to attach to the lens and thereby fluidly isolate the internal chamber;
• and
• second-shot injection molding a heat sink with the housing body, the heat sink being formed with a thermally conductive main body and a plurality of convective cooling fins projecting from the main body, the heat sink being molded to the housing body such that the main body extends into the internal chamber and the plurality of cooling fins extend out of the housing body, the main body and cooling fins being collectively configured to dissipate heat from the internal chamber.