A light source system comprising: a substrate; a light source mounted on a surface of the substrate, wherein the light source comprises: an upper surface of the light source having an upper terminal of the light source; and a mounting surface of the light source conductively fixed to the surface of the substrate and having a lower terminal of the light source, the light source being configured to be driven by a drive current flowing between the upper terminal of the light source and the lower terminal of the light source, a vertical capacitor configured to supply a first part of the drive current to drive the light source, wherein the vertical capacitor comprises: an upper surface of the vertical capacitor comprising an upper terminal of the vertical capacitor to a first plate of the vertical capacitor, wherein the upper terminal of the vertical capacitor is electrically coupled to the upper terminal of the light source; and a mounting surface of the vertical capacitor conductively fixed to the surface of the substrate and comprising a lower terminal of the vertical capacitor to a second plate of the vertical capacitor; and a current driver mounted on the surface of the substrate and coupled to the light source and the vertical capacitor for controlling a flow of the drive current from the vertical capacitor to the light source in order to drive the light source, wherein the substrate comprises a voltage terminal that is electrically coupled to the vertical capacitor and is configured to supply a second part of the drive current to drive the light source characterized in that a distance between the surface of the substrate and the upper terminal of the light source is substantially the same as a distance between the surface of the substrate and the upper terminal of the vertical capacitor. a substrate; a light source mounted on a surface of the substrate, wherein the light source comprises: an upper surface of the light source having an upper terminal of the light source; and a mounting surface of the light source conductively fixed to the surface of the substrate and having a lower terminal of the light source, the light source being configured to be driven by a drive current flowing between the upper terminal of the light source and the lower terminal of the light source, an upper surface of the light source having an upper terminal of the light source; and a mounting surface of the light source conductively fixed to the surface of the substrate and having a lower terminal of the light source, the light source being configured to be driven by a drive current flowing between the upper terminal of the light source and the lower terminal of the light source, a vertical capacitor configured to supply a first part of the drive current to drive the light source, wherein the vertical capacitor comprises: an upper surface of the vertical capacitor comprising an upper terminal of the vertical capacitor to a first plate of the vertical capacitor, wherein the upper terminal of the vertical capacitor is electrically coupled to the upper terminal of the light source; and a mounting surface of the vertical capacitor conductively fixed to the surface of the substrate and comprising a lower terminal of the vertical capacitor to a second plate of the vertical capacitor; and an upper surface of the vertical capacitor comprising an upper terminal of the vertical capacitor to a first plate of the vertical capacitor, wherein the upper terminal of the vertical capacitor is electrically coupled to the upper terminal of the light source; and a mounting surface of the vertical capacitor conductively fixed to the surface of the substrate and comprising a lower terminal of the vertical capacitor to a second plate of the vertical capacitor; and a current driver mounted on the surface of the substrate and coupled to the light source and the vertical capacitor for controlling a flow of the drive current from the vertical capacitor to the light source in order to drive the light source, wherein the substrate comprises a voltage terminal that is electrically coupled to the vertical capacitor and is configured to supply a second part of the drive current to drive the light source characterized in that a distance between the surface of the substrate and the upper terminal of the light source is substantially the same as a distance between the surface of the substrate and the upper terminal of the vertical capacitor.