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US20020175352A1 Expired / Lapsed US ⏱️ 0.0 years remaining

Light for use in activating light-activated materials, the light having a plurality of light emitting single chip arrays

Assignee: Cao Group Inc
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Filing: 2002-07-03
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Granted: —
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Expires: 2022-07-03
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Abstract

Abstract Light system useful for activating light-activated materials are disclosed. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them, and materials and structures usable therewith.

Inventors

  • 👤 Densen Cao

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 22:12
CPC Classifications
A; A61; A61C; A61C19/00; A61C19/003; A61C19/004; B; B23; B23K; B23K26/00; B23K26/0096; B23K26/02; B23K26/06; B23K26/0604; B23K26/0608; B23K26/064; B23K26/0643; B23K26/0648; B23K26/0665; B23K26/70; B23K26/702; B23K26/703; A61N; A61N5/00; A61N5/06; A61N2005/065; A61N2005/0651; A61N2005/0652; Y; Y10; Y10S; Y10S362/00; Y10S362/80

Claims Analysis

Total Claims: 63
Claim 1
Independent Claim 510 words
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 single chip arrays, said single chip arrays being mounted to said heat sink, at least some of said light emitting single chip arrays 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 single chip arrays being a positive integer “n”, where n is greater than or equal to 2, each of said light emitting single chip arrays emitting light of a certain peak wavelength λ i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest peak wavelength light emission of said plurality of light emitting single chip arrays, said lowest peak wavelength light emission being referred to as “λ 1 ”, a last of said light emitting single chip arrays having the highest peak wavelength light emission of said plurality of light emitting single chip arrays, said highest peak wavelength light emission being referred to as “λ n ”, the wavelength of λ 1 being less than λ n , each of said light emitting single chip arrays peak wavelengths λ i being greater than or equal to λ 1 and less than or equal to λ n , λ 1 and λ n serving to define the lower and upper wavelength limits output by said plurality of light emitting single chip arrays, said peak wavelength limits λ 1 and λ n being selected to define a wide light spectrum profile capable of activating various light-activated materials having sensitivities to various light wavelengths in the range of λ 1 . . . λ n , each of said light emitting single chip arrays emitting light of an intensity I i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest intensity of light emission of said plurality of light emitting single chip arrays, said lowest intensity light emission being referred to as “I 1 ”, a last of said light emitting single chip arrays having the highest intensity of light emission of said plurality of light emitting single chip arrays, said highest intensity light emission being referred to as “I n ”, the intensity of I 1 being less than or equal to the intensity of I n and the intensity of light emitted by a particular chip “i” being designated I 1 where I i is greater than or equal to I 1 and where I i is less than or equal to I n ; wherein the intensity of I i of at least some of said plurality of light emitting single chip arrays is sufficient to cause activation of a light-activated material sensitive to activation by light of the wavelength λ i .
Claim 2
Dependent Claim 510 words
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 single chip arrays, said single chip arrays being mounted to said heat sink, at least some of said light emitting single chip arrays 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 single chip arrays being a positive integer “n”, where n is greater than or equal to 2, each of said light emitting single chip arrays emitting light of a certain peak wavelength λ i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest peak wavelength light emission of said plurality of light emitting single chip arrays, said lowest peak wavelength light emission being referred to as “λ 1 ”, a last of said light emitting single chip arrays having the highest peak wavelength light emission of said plurality of light emitting single chip arrays, said highest peak wavelength light emission being referred to as “λ n ”, the wavelength of λ 1 being less than λ n , each of said light emitting single chip arrays peak wavelengths λ i being greater than or equal to λ 1 and less than or equal to λ n , λ 1 and λ n serving to define the lower and upper wavelength limits output by said plurality of light emitting single chip arrays, said peak wavelength limits λ 1 and λ n being selected to define a wide light spectrum profile capable of activating various light-activated materials having sensitivities to various light wavelengths in the range of λ 1 . . . λ n , each of said light emitting single chip arrays emitting light of an intensity I i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest intensity of light emission of said plurality of light emitting single chip arrays, said lowest intensity light emission being referred to as “I 1 ”, a last of said light emitting single chip arrays having the highest intensity of light emission of said plurality of light emitting single chip arrays, said highest intensity light emission being referred to as “I n ”, the intensity of I 1 being less than or equal to the intensity of I n and the intensity of light emitted by a particular chip “i” being designated I 1 where I i is greater than or equal to I 1 and where I i is less than or equal to I n ; wherein the intensity of I i of at least some of said plurality of light emitting single chip arrays is sufficient to cause activation of a light-activated material sensitive to activation by light of the wavelength λ i .
Claim 3
Dependent Claim 26 words
2 . A light for activating a light-activated material as recited in claim 1 wherein said single chip arrays are directly mounted to said heat sink.
Claim 4
Dependent Claim 56 words
3 . A light for activating a light-activated material as recited in claim 1 wherein said at least one of said single chip arrays is affixed to a primary heat sink and said primary heat sink is mounted to said aforementioned heat sink to achieve mounting of said single chip array to said aforementioned heat sink.
Claim 5
Dependent Claim 31 words
4 . A light for activating a light-activated material as recited in claim 1 wherein said plurality of light emitting single chip arrays includes not less than 3 single chip arrays.
Claim 6
Dependent Claim 43 words
5 . A light for activating a light-activated material as recited in claim 1 wherein each of said single chip arrays includes a volume of semiconductor material located on a substrate, and at least one electrode strip in contact with said semiconductor material.
Claim 7
Dependent Claim 34 words
6 . A light for activating a light-activated material as recited in claim 5 wherein at least one of said single chip arrays has an electrode strip along at least one of its sides.
Claim 8
Dependent Claim 32 words
7 . A light for activating a light-activated material as recited in claim 1 wherein at least one of said single chip arrays has an electrode on it in a comb configuration.
Claim 9
Dependent Claim 38 words
8 . A light for activating a light-activated material as recited in claim 1 wherein at least one of said single chip arrays has a size a×b where both “a” and “b” are not less than 300 micrometers.
Claim 10
Dependent Claim 42 words
9 . A light for activating a light-activated material as recited in claim 1 wherein at least one of said single chip arrays has a size a×b and wherein at least one of “a” and “b” is not less than 1 millimeter.
Claim 11
Dependent Claim 40 words
10 . A light for activating a light-activated material as recited in claim 1 wherein at least one of said single chip arrays has a size a×b and wherein both of “a” and “b” are each more than 1 millimeter.
Claim 12
Dependent Claim 34 words
11 . A light for activating a light-activated material as recited in claim 1 wherein at least one of said single chip arrays includes an electrode strip arranged in a row and column formation
Claim 13
Dependent Claim 35 words
12 . A light for activating a light-activated material as recited in claim 1 wherein I i for at least one of said plurality of light emitting single chip arrays is at least 40 mW.
Claim 14
Dependent Claim 23 words
13 . A light for activating a light-activated material as recited in claim 1 wherein I 1 is less than I n .
Claim 15
Dependent Claim 23 words
14 . A light for activating a light-activated material as recited in claim 1 wherein I 1 is greater than I n .
Claim 16
Dependent Claim 35 words
15 . A light for activating a light-activated material as recited in claim 1 wherein I i for at least one of said plurality of light emitting single chip arrays is at least 40 mW.
Claim 17
Dependent Claim 25 words
16 . A light for activating a light-activated material as recited in claim 1 wherein λ 1 is greater than or equal to 200 nm.
Claim 18
Dependent Claim 25 words
17 . A light for activating a light-activated material as recited in claim 1 wherein λ 1 is greater than or equal to 300 nm.
Claim 19
Dependent Claim 25 words
18 . A light for activating a light-activated material as recited in claim 1 wherein λ 1 is greater than or equal to 350 nm.
Claim 20
Dependent Claim 25 words
19 . A light for activating a light-activated material as recited in claim 1 wherein λ n is less than or equal to 455 nm.
Claim 21
Dependent Claim 25 words
20 . A light for activating a light-activated material as recited in claim 1 wherein λ n is less than or equal to 460 nm.
Claim 22
Dependent Claim 25 words
21 . A light for activating a light-activated material as recited in claim 1 wherein λ n is less than or equal to 480 nm.
Claim 23
Dependent Claim 36 words
22 . A light for activating a light-activated material as recited in claim 1 wherein λ 1 is greater than or equal to 200 nm and λ n is less than or equal to 455 nm.
Claim 24
Dependent Claim 36 words
23 . A light for activating a light-activated material as recited in claim 1 wherein λ 1 is greater than or equal to 300 nm and λ n is less than or equal to 455 nm.
Claim 25
Dependent Claim 36 words
24 . A light for activating a light-activated material as recited in claim 1 wherein λ 1 is greater than or equal to 350 nm and λ n is less than or equal to 455 nm.
Claim 26
Dependent Claim 57 words
25 . A light for activating a light-activated material as recited in claim 1 wherein λ 1 is greater than or equal to 300 nm and λ n is less than or equal to 455 nm and wherein I i is greater than or equal to 40 mW for said plurality of light emitting single chip arrays.
Claim 27
Dependent Claim 57 words
26 . A light for activating a light-activated material as recited in claim 1 wherein λ 1 is greater than or equal to 200 nm and λ n is less than or equal to 480 nm and wherein I i is greater than or equal to 40 mW for said plurality of light emitting single chip arrays.
Claim 28
Dependent Claim 40 words
27 . A light for activating light-activated materials as recited in claim 1 wherein at least one of said light emitting single chip arrays are selected from the group consisting of light emitting diode chip arrays and laser chip arrays.
Claim 29
Dependent Claim 36 words
28 . A light for activating light-activated materials as recited in claim 1 further comprising: at least one cover, said cover serving to protect at least one of said light emitting single chip arrays from damage.
Claim 30
Dependent Claim 574 words
29 . 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 exhibiting thermal conductivity, a plurality of light emitting single chip arrays being mounted to said heat sink, each of said single chip arrays having a substrate and a volume of semiconductor material on said substrate, each of said single chip arrays having an electrode strip along at least one of its sides, at least some of said light emitting single chip arrays 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 single chip arrays being a positive integer “n”, where n is greater than or equal to 2, each of said light emitting single chip arrays emitting light of a certain peak wavelength λ i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest peak wavelength light emission of said plurality of light emitting single chip arrays, said lowest peak wavelength light emission being referred to as “λ 1 ”, a last of said light emitting single chip arrays having the highest peak wavelength light emission of said plurality of light emitting single chip arrays, said highest peak wavelength light emission being referred to as “λ n ”, the wavelength of λ 1 being less than λ n , each of said light emitting single chip arrays peak wavelengths λ i being greater than or equal to λ 1 and less than or equal to λ n , λ 1 and λ n serving to define the lower and upper wavelength limits output by said plurality of light emitting single chip arrays, said peak wavelength limits λ 1 and λ n being selected to define a wide light spectrum profile capable of activating various light-activated materials having sensitivities to various light wavelengths in the range of λ 1 . . . λ n , each of said light emitting single chip arrays emitting light of an intensity I i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest intensity of light emission of said plurality of light emitting single chip arrays, said lowest intensity light emission being referred to as “I 1 ”, a last of said light emitting single chip arrays having the highest intensity of light emission of said plurality of light emitting single chip arrays, said highest intensity light emission being referred to as “I n ”, the intensity of I 1 being less than or equal to the intensity of I n , and the intensity of light emitted by a particular chip “i” being designated I i where I i is greater than or equal to I 1 and where I i is less than or equal to I n ; wherein the intensity of I i of at least some of said plurality of light emitting single chip arrays is sufficient to cause activation of a light-activated material sensitive to activation by light of the wavelength λ i ; wherein I i for at least one of said plurality of light emitting single chip arrays is at least 40 mW; and wherein λ 1 is greater than or equal to 200 nm.
Claim 31
Dependent Claim 574 words
29 . 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 exhibiting thermal conductivity, a plurality of light emitting single chip arrays being mounted to said heat sink, each of said single chip arrays having a substrate and a volume of semiconductor material on said substrate, each of said single chip arrays having an electrode strip along at least one of its sides, at least some of said light emitting single chip arrays 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 single chip arrays being a positive integer “n”, where n is greater than or equal to 2, each of said light emitting single chip arrays emitting light of a certain peak wavelength λ i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest peak wavelength light emission of said plurality of light emitting single chip arrays, said lowest peak wavelength light emission being referred to as “λ 1 ”, a last of said light emitting single chip arrays having the highest peak wavelength light emission of said plurality of light emitting single chip arrays, said highest peak wavelength light emission being referred to as “λ n ”, the wavelength of λ 1 being less than λ n , each of said light emitting single chip arrays peak wavelengths λ i being greater than or equal to λ 1 and less than or equal to λ n , λ 1 and λ n serving to define the lower and upper wavelength limits output by said plurality of light emitting single chip arrays, said peak wavelength limits λ 1 and λ n being selected to define a wide light spectrum profile capable of activating various light-activated materials having sensitivities to various light wavelengths in the range of λ 1 . . . λ n , each of said light emitting single chip arrays emitting light of an intensity I i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest intensity of light emission of said plurality of light emitting single chip arrays, said lowest intensity light emission being referred to as “I 1 ”, a last of said light emitting single chip arrays having the highest intensity of light emission of said plurality of light emitting single chip arrays, said highest intensity light emission being referred to as “I n ”, the intensity of I 1 being less than or equal to the intensity of I n , and the intensity of light emitted by a particular chip “i” being designated I i where I i is greater than or equal to I 1 and where I i is less than or equal to I n ; wherein the intensity of I i of at least some of said plurality of light emitting single chip arrays is sufficient to cause activation of a light-activated material sensitive to activation by light of the wavelength λ i ; wherein I i for at least one of said plurality of light emitting single chip arrays is at least 40 mW; and wherein λ 1 is greater than or equal to 200 nm.
Claim 32
Dependent Claim 26 words
30 . A light for activating a light-activated material as recited in claim 29 wherein said single chip arrays are directly mounted to said heat sink.
Claim 33
Dependent Claim 56 words
31 . A light for activating a light-activated material as recited in claim 29 wherein said at least one of said single chip arrays is affixed to a primary heat sink and said primary heat sink is mounted to said aforementioned heat sink to achieve mounting of said single chip array to said aforementioned heat sink.
Claim 34
Dependent Claim 31 words
32 . A light for activating a light-activated material as recited in claim 29 wherein said plurality of light emitting single chip arrays includes not less than 3 single chip arrays.
Claim 35
Dependent Claim 43 words
33 . A light for activating a light-activated material as recited in claim 29 wherein each of said single chip arrays includes a volume of semiconductor material located on a substrate, and at least one electrode strip in contact with said semiconductor material.
Claim 36
Dependent Claim 34 words
34 . A light for activating a light-activated material as recited in claim 33 wherein at least one of said single chip arrays has an electrode strip along at least one of its sides.
Claim 37
Dependent Claim 32 words
35 . A light for activating a light-activated material as recited in claim 33 wherein at least one of said single chip arrays has an electrode on it in a comb configuration.
Claim 38
Dependent Claim 38 words
36 . A light for activating a light-activated material as recited in claim 33 wherein at least one of said single chip arrays has a size a×b where both “a” and “b” are not less than 300 micrometers.
Claim 39
Dependent Claim 42 words
37 . A light for activating a light-activated material as recited in claim 33 wherein at least one of said single chip arrays has a size a×b and wherein at least one of “a” and “b” is not less than 1 millimeter.
Claim 40
Dependent Claim 40 words
38 . A light for activating a light-activated material as recited in claim 33 wherein at least one of said single chip arrays has a size a×b and wherein both of “a” and “b” are each more than 1 millimeter.
Claim 41
Dependent Claim 34 words
39 . A light for activating a light-activated material as recited in claim 33 wherein at least one of said single chip arrays includes an electrode strip arranged in a row and column formation.
Claim 42
Dependent Claim 35 words
40 . A light for activating a light-activated material as recited in claim 33 wherein I i for at least one of said plurality of light emitting single chip arrays is at least 40 mW.
Claim 43
Dependent Claim 23 words
41 . A light for activating a light-activated material as recited in claim 33 wherein I 1 is less than I n .
Claim 44
Dependent Claim 23 words
42 . A light for activating a light-activated material as recited in claim 33 wherein I 1 is greater than I n .
Claim 45
Dependent Claim 35 words
43 . A light for activating a light-activated material as recited in claim 33 wherein I i for at least one of said plurality of light emitting single chip arrays is at least 40 mW.
Claim 46
Dependent Claim 25 words
44 . A light for activating a light-activated material as recited in claim 33 wherein λ 1 is greater than or equal to 200 nm.
Claim 47
Dependent Claim 25 words
45 . A light for activating a light-activated material as recited in claim 33 wherein λ 1 is greater than or equal to 300 nm.
Claim 48
Dependent Claim 25 words
46 . A light for activating a light-activated material as recited in claim 33 wherein λ 1 is greater than or equal to 350 nm.
Claim 49
Dependent Claim 25 words
47 . A light for activating a light-activated material as recited in claim 33 wherein λ n is less than or equal to 455 nm.
Claim 50
Dependent Claim 25 words
48 . A light for activating a light-activated material as recited in claim 33 wherein λ n is less than or equal to 460 nm.
Claim 51
Dependent Claim 25 words
49 . A light for activating a light-activated material as recited in claim 33 wherein λ n is less than or equal to 480 nm.
Claim 52
Dependent Claim 36 words
50 . A light for activating a light-activated material as recited in claim 33 wherein λ 1 is greater than or equal to 200 nm and λ n is less than or equal to 455 nm.
Claim 53
Dependent Claim 36 words
51 . A light for activating a light-activated material as recited in claim 33 wherein λ 1 is greater than or equal to 300 nm and λ n is less than or equal to 460 nm.
Claim 54
Dependent Claim 36 words
52 . A light for activating a light-activated material as recited in claim 33 wherein λ 1 is greater than or equal to 350 nm and λ n is less than or equal to 460 nm.
Claim 55
Dependent Claim 57 words
53 . A light for activating a light-activated material as recited in claim 33 wherein λ 1 is greater than or equal to 300 nm and λ n is less than or equal to 460 nm and wherein I i is greater than or equal to 40 mW for said plurality of light emitting single chip arrays.
Claim 56
Dependent Claim 36 words
54 . A light for activating light-activated materials as recited in claim 33 further comprising: at least one cover, said cover serving to protect at least one of said light emitting single chip arrays from damage.
Claim 57
Dependent Claim 32 words
55 . A light for activating light-activated materials as recited in claim 33 further comprising: a well in said heat sink, at least one of said chips being mounted in said well.
Claim 58
Dependent Claim 20 words
56 . A light for activating light-activated materials as recited in claim 55 wherein said well has light reflective walls.
Claim 59
Dependent Claim 48 words
57 . A light for activating light-activated materials as recited in claim 29 further comprising: a primary heat sink, a well in said heat sink, at least one of said chips being located in said well, and said primary heat sink being mounted to said aforementioned heat sink.
Claim 60
Dependent Claim 561 words
58 . 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, at least one well on said heat sink, said well having a bottom, said well having a wall, a plurality of light emitting single chip arrays, at least one of said single chip arrays being mounted in said well, said well wall serving to reflect light from said chip array that strikes it in a useful direction, at least some of said light emitting single chip arrays 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 single chip arrays being a positive integer “n”, where n is greater than or equal to 2, each of said light emitting single chip arrays emitting light of a certain peak wavelength λ i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest peak wavelength light emission of said plurality of light emitting single chip arrays, said lowest peak wavelength light emission being referred to as “λ 1 ”, a last of said light emitting single chip arrays having the highest peak wavelength light emission of said plurality of light emitting single chip arrays, said highest peak wavelength light emission being referred to as “λ n ”, said light emitting single chip arrays being selected so that the wavelength of λ 1 is measurably less than λ n , each of said light emitting single chip arrays peak wavelengths λ i being greater than or equal to λ 1 and less than or equal to λ n , λ 1 and λ n serving to define the lower and upper wavelength limits output by said plurality of light emitting single chip arrays, said peak wavelength limits λ 1 and λ n being selected to define a wide light spectrum profile capable of activating various light-activated materials having sensitivities to various light wavelengths in the range of λ 1 . . . λ n , each of said light emitting single chip arrays emitting light of an intensity I i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest intensity of light emission of said plurality of light emitting single chip arrays, said lowest intensity light emission being referred to as “I 1 ”, a last of said light emitting single chip arrays having the highest intensity of light emission of said plurality of light emitting single chip arrays, said highest intensity light emission being referred to as “I n ”, the intensity of I 1 being less than or equal to the intensity of I n , and the intensity of light emitted by a particular chip “i” being designated I i where I i is greater than or equal to I 1 and where I i is less than or equal to I n ; wherein the intensity of I i of at least some of said plurality of light emitting single chip arrays is sufficient to cause activation of a light-activated material sensitive to activation by light of the wavelength λ i .
Claim 61
Dependent Claim 561 words
58 . 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, at least one well on said heat sink, said well having a bottom, said well having a wall, a plurality of light emitting single chip arrays, at least one of said single chip arrays being mounted in said well, said well wall serving to reflect light from said chip array that strikes it in a useful direction, at least some of said light emitting single chip arrays 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 single chip arrays being a positive integer “n”, where n is greater than or equal to 2, each of said light emitting single chip arrays emitting light of a certain peak wavelength λ i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest peak wavelength light emission of said plurality of light emitting single chip arrays, said lowest peak wavelength light emission being referred to as “λ 1 ”, a last of said light emitting single chip arrays having the highest peak wavelength light emission of said plurality of light emitting single chip arrays, said highest peak wavelength light emission being referred to as “λ n ”, said light emitting single chip arrays being selected so that the wavelength of λ 1 is measurably less than λ n , each of said light emitting single chip arrays peak wavelengths λ i being greater than or equal to λ 1 and less than or equal to λ n , λ 1 and λ n serving to define the lower and upper wavelength limits output by said plurality of light emitting single chip arrays, said peak wavelength limits λ 1 and λ n being selected to define a wide light spectrum profile capable of activating various light-activated materials having sensitivities to various light wavelengths in the range of λ 1 . . . λ n , each of said light emitting single chip arrays emitting light of an intensity I i , where “i” is an integer between 1 and n, a first of said light emitting single chip arrays having the lowest intensity of light emission of said plurality of light emitting single chip arrays, said lowest intensity light emission being referred to as “I 1 ”, a last of said light emitting single chip arrays having the highest intensity of light emission of said plurality of light emitting single chip arrays, said highest intensity light emission being referred to as “I n ”, the intensity of I 1 being less than or equal to the intensity of I n , and the intensity of light emitted by a particular chip “i” being designated I i where I i is greater than or equal to I 1 and where I i is less than or equal to I n ; wherein the intensity of I i of at least some of said plurality of light emitting single chip arrays is sufficient to cause activation of a light-activated material sensitive to activation by light of the wavelength λ i .
Claim 62
Dependent Claim 59 words
59 . A light for activating a light-activated material as recited in claim 58 wherein λ 1 is greater than or equal to 300 nm and λ n is less than or equal to 460 nm and wherein I i is greater than or equal to 40 mW for each of said plurality of light emitting single chip arrays.
Claim 63
Dependent Claim 66 words
60 . A light as recited in claim 58 further comprising: a secondary heat sink, said primary heat sink being affixed to said secondary heat sink, said primary heat sink serving to draw heat away from at least one of said chips, said secondary heat sink serving to draw heat away from said primary heat sink, and said secondary heat sink serving to dissipate said heat.

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