Patent ID: 8891807

Claim:
A loudspeaker apparatus comprising: a diaphragm; a magnet system configured to drive the diaphragm; at least one light source; and a cooling device having at least one First cooling unit configured to cool the at least one light source; wherein die at least one light source is thermally coupled to the at least one first cooling unit; wherein an outside of the diaphragm has a light reflecting layer or light reflecting properties so as to reflect the light of the at least one light source; wherein the at least one light source is arranged in front of the diaphragm; wherein the diaphragm is configured to have an optical focal point, with the at least one light source being arranged in the optical focal point of the diaphragm; wherein the diaphragm comprises an opening in a center of the diaphragm; wherein the at least one light source is thermally coupled, through the opening in the diaphragm, to the first cooling unit which is arranged behind the diaphragm; and wherein the at least one first cooling unit has a plurality of cooling ribs which face away from the diaphragm.