Patent ID: 9732929
Date: 2017-08-15
CPC Classifications: F21S

Claim:
1. A light module for a vehicle headlamp comprising: at least one semiconductor light source; at least one mounting plate including each of a receiving side and a cooling side, the cooling side positioned opposite the receiving side, wherein the semiconductor light source is accommodated on the receiving side of the mounting plate, and a heat sink for cooling the at least one semiconductor light source, wherein said mounting plate is disposed on the heat sink, wherein the heat sink includes air guidance grooves formed in a first side of the heat sink that borders the cooling side of the mounting plate, wherein when the cooling side of the mounting plate and said air guidance grooves of said heat sink abut one another, the cooling side of the mounting plate covers the air guidance grooves to form air guidance channels, and wherein at least one air guidance channel is enclosed on three sides by the heat sink and on a fourth side by the mounting plate, thereby fully enclosing said at least one air guidance channel in cross-section.