| 摘要 |
A heat sink may include a light source region for mounting a light source; a heat spreading and dissipation structure covering at least part of an exterior of the heat sink; wherein the structure comprises vertically aligned fins; wherein the structure comprises an air flow channel leading from a bottom region to a lateral region, the air flow channel being created by a gap between adjacent fins; wherein the light source region comprises an open cavity formed by a cavity wall comprising a light source mounting region adapted to receive the light source; wherein the fins are integrally connected to the exterior of the cavity wall; wherein the heat sink comprises a solid heat sink base extending from the light source mounting region to the exterior and protruding from the cavity wall; and wherein the structure is in thermal connection with the heat sink base. |
