A light-emitting device for an automotive vehicle headlamp lighting module, that includes a light source, comprising a carrier comprising two opposite faces, a first face forming a first joining surface; an optoelectronic chip that is fastened to the second face of the carrier; connecting pins that stick out with respect to the first face of the carrier and that are connected to the chip; the light-emitting device furthermore including a heat exchanger comprising a second joining surface that is connected to the first joining surface. The two joining surfaces are joined to each other by means of an adhesive material; each of the connecting pins includes a portion extending radially in the adhesive material; and the connecting pins do not pass through the second joining surface.