Patent ID: 6955537
Filing Date: 2005-10-18
Classification: A61C,A61N,B23K,Y10S

Abstract:
1. A light for activating a light-activated material comprising: a light module capable of emitting light useful in activating a light-activated material, a heat sink in said light module, said heat sink having heat conductance qualities, a plurality of light emitting semiconductor chips being mounted to said heat sink, at least some of said light emitting semiconductor chips being capable of emitting light of a wavelength that is useful in activating a light activated material, the actual number of said plurality of light emitting semiconductor chips being a positive integer “n” where n is greater than or equal to 2, each of said light emitting semiconductor chips emitting light of a certain peak wavelength λ a first of said light emitting semiconductor chips having the lowest peak wavelength light emission of said plurality of light emitting semiconductor chips, said lowest peak wavelength light emission being referred to as “λ a last of said light emitting semiconductor chips having the highest peak wavelength light emission of said plurality of light emitting semiconductor chips, said highest peak wavelength light emission being referred to as “λ the wavelength of λ each of said light emitting semiconductor chips peak wavelengths λ λ said peak wavelength limits λ each of said light emitting semiconductor chips emitting light of an intensity I a first of said light emitting semiconductor chips having the lowest intensity of light emission of said plurality of light emitting semiconductor chips, said lowest intensity light emission being referred to as “I a last of said light emitting semiconductor chips having the highest intensity of light emission of said plurality of light emitting semiconductor chips, said highest intensity light emission being referred to as “I the intensity of I the intensity of light emitted by a particular chip “i” being designated I wherein the intensity of I having a gross well in said heat sink, a plurality of secondary well in said gross well of said heat sink, at least some of said light emitting semiconductor chips being located in said secondary wells of said heat sink.