US Patent 9927113 Heat sink structure and LED heat sink assemblies

A heat sink includes first and second elongated heat sink bodies. The first and second elongated heat sink bodies are each formed from a respective electrically and thermally conductive material and also each extend from an LED coupling end of the heat sink to a lead end of the heat sink. An electrical insulator material connects the first and second elongated heat sink bodies together so as to bodies are electrically isolated from each other. Each elongated heat sink body also includes a respective LED coupling surface at the LED coupling end of the heat sink and a respective lead connecting surface located on the respective body at a location spaced apart from the LED coupling end of the heat sink.