Patent ID: 6719559
Filing Date: 2004-04-13
Classification: A61C,A61N,B23K,Y10S

Abstract:
A curing light comprising:a wand adapted to be grasped by a human hand for use in positioning and manipulating the curing light, controls on said wand for initiating and terminating light emission from the curing light, a secondary heat sink which serves a heat dissipation function, a primary heat sink which is attached to said secondary heat sink and which has less total mass than said primary heat sink, a well on said primary heat sink for mounting an LED array chip therein, an LED array on a single chip mounted in said well, said LED array on a single chip including a substrate, a quantity of semiconductor material located on said substrate, at least one metal electrode strip arranged into column formation on said LED array chip, at least one electrode pad for providing electrical connection of said LED array chip, a cover that provides protective covering for said chip and which permits light emitted by said chip to substantially pass through it.