HEAT SINK FOR A MOTOR VEHICLE LIGHT MODULE AND LIGHT MODULE FOR A MOTOR VEHICLE

原文（中国語）

The invention relates to a heat sink of a luminous module for an automotive vehicle. The heat sink includes at least one protruding cooling element extending between a foot and a free end along a direction of extension, and having a thickness along a direction transverse to the direction of extension. The thickness of the protruding cooling element decreasing as it extends from the foot to the free end. The protruding cooling element includes a first portion and a second portion, the first portion being situated between the foot and the second portion, and the second portion being situated between the first portion and the free end, the decrease in the thickness of the protruding cooling element being greater in the second portion than in the first portion. The invention also relates to a luminous module including such a heat sink.