#$%^&*AU2016200457A120160218.pdf#####5 ABSTRACT A dental curing light device comprising: a continuous seamless piece of thermally conductive material extending between a proximal end and a distal end and including a light emitting head portion at the distal end, a threaded opening formed through the head portion, 10 a handle portion extending to the proximal end, and an internal cavity extending at least partially between the proximal and distal ends； an LED assembly disposed within a thermally conductive cup thermally and threadably coupled to the head portion at the threaded opening, the LED assembly including one or more LED dies and a thermally conductive LED assembly substrate； a thermally conductive layer that thermally couples the 15 LED assembly to the thermally conductive cup； and an electronics assembly disposed within the internal cavity of the continuous seamless piece of thermally conductive material.3115 C14 co cn CN 00 C--A Q3 Cz>； C14 c"I C14 CN cn co Vv-
