Systems and methods for converting illumination
First Claim
Patent Images
1. An illumination apparatus, comprising:
- at least one first light emitting diode (LED) adapted to generate first radiation having a first spectrum;
at least one second LED adapted to generate second radiation having a second spectrum different from the first spectrum; and
at least one conversion material arranged with respect to the at least one first LED and the at least one second LED such that only one of the first radiation and the second radiation, when generated, impinges upon the at least one conversion material, the at least one conversion material configured to change at least one frequency component of one of the first spectrum and the second spectrum so as to provide at least one converted spectrum.
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Abstract
An illumination system according to the principles of the invention may include a first LED and a carrier material. The carrier material may be comprised of plastic, synthetic material, polymer, latex, rubber or other material. The carrier material may also contain a phosphor, fluorescent material, organic fluorescent material, inorganic fluorescent material, impregnated phosphor, phosphor particles, phosphor material, YAG:Ce phosphor, or other material for converting electromagnetic radiation into illumination or visible light.
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Citations
75 Claims
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1. An illumination apparatus, comprising:
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at least one first light emitting diode (LED) adapted to generate first radiation having a first spectrum;
at least one second LED adapted to generate second radiation having a second spectrum different from the first spectrum; and
at least one conversion material arranged with respect to the at least one first LED and the at least one second LED such that only one of the first radiation and the second radiation, when generated, impinges upon the at least one conversion material, the at least one conversion material configured to change at least one frequency component of one of the first spectrum and the second spectrum so as to provide at least one converted spectrum. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An illumination apparatus, comprising:
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at least one first light emitting diode (LED) adapted to generate first radiation having a first spectrum;
at least one second LED adapted to generate second radiation having a second spectrum different from the first spectrum; and
at least one conversion material arranged with respect to the at least one first LED and the at least one second LED such that both of the first radiation and the second radiation, when generated, impinge upon the at least one conversion material, and the at least one conversion material being configured to alter only one of the first spectrum and the second spectrum so as to provide the at least one converted spectrum.
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18. An illumination apparatus, comprising:
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at least one first light emitting diode (LED) adapted to generate first radiation having a first spectrum;
at least one second LED adapted to generate second radiation having a second spectrum different from the first spectrum; and
at least one conversion material comprising at least first and second different conversion materials, the at least one conversion material arranged with respect to the at least one first LED and the at least one second LED such the first radiation, when generated, impinges only upon the first conversion material and such that the second radiation, when generated, impinges only upon the second conversion material, the at least one conversion material configured to change at least one frequency component of the at least one of the first radiation and the second radiation so as to provide at least one converted spectrum.
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19. An illumination apparatus, comprising:
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at least one first light emitting diode (LED) adapted to generate first radiation having a first spectrum;
at least one second LED adapted to generate second radiation having a second spectrum different from the first spectrum; and
at least one conversion material comprising at least first and second different conversion materials, the at least one conversion material arranged with respect to the at least one first LED and the at least one second LED such that only one of the first radiation and the second radiation impinges upon both of the first and second different conversion materials, the at least one conversion material configured to change at least one frequency component of the at least one of the first radiation and the second radiation so as to provide at least one converted spectrum. - View Dependent Claims (20)
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21. An illumination apparatus, comprising:
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at least one first light emitting diode (LED) adapted to generate first radiation having a first spectrum;
at least one second LED adapted to generate second radiation having a spectrum different from the first spectrum;
a first conversion material arranged with respect to the at least one first LED such that the first radiation, when generated, impinges upon the first conversion material, the first conversion material configured to change at least one first frequency component of the first spectrum so as to provide a second spectrum; and
a second conversion material arranged with respect to the at least one first LED such that the first radiation, when generated, impinges upon the second conversion material, the second conversion material configured to change at least one second frequency component of the first spectrum so as to provide a third spectrum different from the second spectrum, wherein the first and second conversion materials are arranged with respect to the at least one first LED and at least one second LED such that essentially none of the second radiation impinges upon either of the first and second conversion materials.
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22. An illumination apparatus, comprising:
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at least one first light emitting diode (LED) adapted to generate first radiation having a first spectrum;
a first conversion material arranged with respect to the at least one first LED such that the first radiation, when generated, impinges upon the first conversion material, the first conversion material configured to change at least one first frequency component of the first spectrum so as to provide a second spectrum; and
a second conversion material arranged with respect to the at least one first LED such that the first radiation, when generated, impinges upon the second conversion material, the second conversion material configured to change at least one second frequency component of the first spectrum so as to provide a third spectrum different from the second spectrum, wherein the at least one first LED includes at least one blue LED, wherein the first conversion material is configured such that the second spectrum includes substantially white light having a relatively high color temperature; and
wherein the second conversion material is configured such that the third spectrum includes substantially white light having a relatively low color temperature. - View Dependent Claims (23, 24, 25, 26)
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27. An illumination apparatus, comprising:
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at least one first light emitting diode (LED) adapted to generate first radiation having a first spectrum;
at least one second LED adapted to generate second radiation having a second spectrum different from the first spectrum;
a first conversion material arranged with respect to the at least one first LED such that the first radiation, when generated, only impinges upon the first conversion material, the first conversion material configured to change at least one first frequency component of the first spectrum to create a third spectrum; and
a second conversion material arranged with respect to the at least one second LED such that the second radiation, when generated, only impinges upon the second conversion material, the second conversion material configured to change at least one second frequency component of the second spectrum to create a fourth spectrum. - View Dependent Claims (28)
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29. An illumination apparatus, comprising:
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at least one first light emitting diode (LED) adapted to generate first radiation having a first spectrum;
at least one second LED adapted to generate second radiation having a second spectrum different from the first spectrum;
at least one conversion material configured to down-convert at least one frequency component of at least one of the first spectrum and the second spectrum so as to provide at least one converted spectrum;
a housing configured to at least partially enclose the at least one first LED and the at least one second LED, wherein the housing and the at least one conversion material are cooperatively arranged such that the at least one of the first radiation and the second radiation impinges upon a first side of the at least one conversion material and the at least one converted spectrum is provided on a second side of the at least one conversion material; and
at least one controller configured to independently control a first intensity of the first radiation and a second intensity of the second radiation so as to generate variable light from the apparatus based at least in part on the at least one converted spectrum, wherein the at least one second LED includes at least one amber LED. - View Dependent Claims (30, 31, 32)
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33. An illumination method, comprising acts of:
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A) generating first radiation having a first spectrum;
B) generating second radiation having a second spectrum different from the first spectrum; and
C) irradiating at least one conversion material with at least one of the first radiation and the second radiation, the at least one conversion material being arranged with respect to the first radiation and the second radiation such that at least one of the first radiation and the second radiation impinges upon the at least one conversion material, the at least one conversion material configured to alter only one of the first spectrum and the second spectrum so as to provide the at least one converted spectrum. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52, 53)
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50. An illumination method, comprising acts of:
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A) generating first radiation having a first spectrum;
B) generating second radiation having a second spectrum different from the first spectrum; and
C) irradiating at least one conversion material with at least one of the first radiation and the second radiation, the at least one conversion material being arranged with respect to the first radiation and the second radiation such that at least one of the first radiation and the second radiation impinges upon the at least one conversion material, the at least one conversion material configured to change at least one frequency component of at least one of the first spectrum and the second spectrum so as to provide at least one converted spectrum, wherein the at least one conversion material includes at least first and second different conversion materials arranged such that the first radiation irradiates only the first conversion material and such that the second radiation irradiates only the second conversion material.
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54. An illumination method, comprising acts of:
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A) generating first radiation having a first spectrum;
B) generating second radiation having a second spectrum different from the first spectrum; and
C) irradiating at least one conversion material with at least one of the first radiation and the second radiation, the at least one conversion material being arranged with respect to the first radiation and the second radiation such that at least one of the first radiation and the second radiation impinges upon the at least one conversion material, the at least one conversion material configured to change at least one frequency component of at least one of the first spectrum and the second spectrum so as to provide at least one converted spectrum wherein the at least one conversion material includes at least first and second different conversion materials, wherein the act C) includes acts of;
irradiating the first conversion material only with the first radiation; and
irradiating the second conversion material only with the second radiation.
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55. An illumination method, comprising acts of:
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A) generating first radiation having a first spectrum;
B) generating second radiation having a second spectrum different from the first spectrum; and
C) irradiating an at least one conversion material comprising at least first and second different conversion materials with at least one of the first radiation and the second radiation, the at least one conversion material being arranged with respect to the first radiation and the second radiation such that only one of the first radiation and the second radiation impinges upon both of the first and second different conversion materials, the at least one conversion material configured to change at least one frequency component of at least one of the first spectrum and the second spectrum so as to provide at least one converted spectrum. - View Dependent Claims (56)
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57. An illumination method, comprising acts of:
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A) generating first radiation having a first spectrum;
B) generating second radiation having a second spectrum different from the first spectrum; and
C) irradiating at least one conversion material with at least one of the first radiation and the second radiation, the at least one conversion material being arranged with respect to the first radiation and the second radiation such that only one of the first radiation and the second radiation irradiates the at least one conversion material, the at least one conversion material configured to change at least one frequency component of at least one of the first spectrum and the second spectrum so as to provide at least one converted spectrum. - View Dependent Claims (58, 59, 60, 61)
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62. A linear lighting apparatus, comprising:
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a plurality of light emitting diodes (LEDs) disposed in a substantially linear arrangement and configured to emit, when energized, at least first radiation having a first spectrum; and
at least one conversion material having a substantially linear form and arranged with respect to the plurality of light emitting diodes such that at least some of the first radiation impinges upon the at least one conversion material, wherein the at least one conversion material is configured to convert at least one frequency component of the first spectrum so as to provide to an observer of the linear lighting apparatus visible light having a converted spectrum different than the first spectrum. - View Dependent Claims (63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75)
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Specification