Abstract: A motor vehicle light comprising an equipped flexible electronic support that comprises: a flat flexible insulating support equipped on a first face with a plurality of flat conductive tracks; at least one light source of the light emitting diode type disposed on the first face of the flexible insulating support; wherein a second face of the flexible insulating support is covered with a layer of thermally conductive material for dissipating the heat produced by the light emitting diodes, the layer comprising an area of contact with the diode and an extended area extending out of this contact area, the dissipation of the heat taking place essentially at this extended area.