HEAT DISSIPATION STRUCTURE OF A LIGHTING ENGINE, A MANUFACTURING METHOD THEREOF AND A LIGHTING SYSTEM COMPRISING THE STRUCTURE

摘要

A heat dissipation structure for a lighting engine, may include: a primary heat sink, and an extended heat sink, wherein the primary heat sink has a first contact surface, and the extended heat sink has a second contact surface provided opposite to the first contact surface, the first contact surface and the second contact surface directly contacted each other with no additional layer therebetween.