WO2009035986A4 - Compact optics for concentration, aggregation and illumination of light energy - Google Patents

Compact optics for concentration, aggregation and illumination of light energy Download PDF

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Publication number
WO2009035986A4
WO2009035986A4 PCT/US2008/075737 US2008075737W WO2009035986A4 WO 2009035986 A4 WO2009035986 A4 WO 2009035986A4 US 2008075737 W US2008075737 W US 2008075737W WO 2009035986 A4 WO2009035986 A4 WO 2009035986A4
Authority
WO
WIPO (PCT)
Prior art keywords
light
concentrator
solar concentrator
waveguide
redirecting
Prior art date
Application number
PCT/US2008/075737
Other languages
French (fr)
Other versions
WO2009035986A2 (en
WO2009035986A3 (en
Inventor
Shondip Ghosh
David Sheldon Schultz
Original Assignee
Banyan Energy Inc
Shondip Ghosh
David Sheldon Schultz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40431910&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009035986(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US11/852,854 external-priority patent/US7672549B2/en
Application filed by Banyan Energy Inc, Shondip Ghosh, David Sheldon Schultz filed Critical Banyan Energy Inc
Priority to KR1020107007127A priority Critical patent/KR101455892B1/en
Priority to AU2008299119A priority patent/AU2008299119B2/en
Priority to EP08830932A priority patent/EP2201309A4/en
Priority to JP2010524238A priority patent/JP2010539428A/en
Priority to CN2008801057847A priority patent/CN101809377B/en
Priority to CA2698284A priority patent/CA2698284C/en
Publication of WO2009035986A2 publication Critical patent/WO2009035986A2/en
Publication of WO2009035986A3 publication Critical patent/WO2009035986A3/en
Publication of WO2009035986A4 publication Critical patent/WO2009035986A4/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/12—Light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/79—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with spaced and opposed interacting reflective surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S385/00—Optical waveguides
    • Y10S385/90—Solar collector or transmitter

Abstract

A solar concentrator having a concentrator element for collecting input light, a redirecting component with a plurality of incremental steps for receiving the light and also for redirecting the light, and a waveguide including a plurality of incremental portions enabling collection and concentration of the light onto a receiver. Other systems replace the receiver by a light source so system optics can provide illumination.

Claims

AMENDED CLAIMS received by the International Bureau on 29 May 2009 (29.05.2009)
What is claimed is: 1. - 17. Canceled
18. A solar concentrator, comprising: a plurality of optical elements disposed adjacent each other with each of the plurality of optical elements including:
(a) a concentrator element for collecting and repositioning input light; and
(b) a redirecting element for receiving the light from the concentrator element wherein the concentrating element of each of the plurality of optical elements is separated from at least one portion of the redirecting element by a layer within which the light does not undergo a repositioning change of direction and the layer being contiguous between at least a portion of each of the redirecting elements; and the solar concentrator further including: a waveguide for receiving the light from the at least one portion of the redirecting element constructed to reposition the light into the waveguide for accumulation.
19. The solar concentrator as defined in Claim 18 wherein the redirecting element is disposed opposite the concentrator element and the concentrating elements being shaped for repositioning of an input light edge ray to substantially at a perpendicular angle relative to the input light edge ray and the redirecting element shaped to receive the light edge ray from the concentrating element to reposition the light edge ray at a second substantially perpendicular angle.
20. The solar concentrator as defined in Claim 19 wherein the light edge ray first repositioned by the light redirecting element is further repositioned by the at least one portion of the redirecting element at yet another substantially perpendicular angle.
21. The solar concentrator as defined in Claim 18 wherein at least part of the redirecting element comprises a discontinuous surface.
22. The solar concentrator as defined in Claim 18 wherein at least part of the redirecting element is physically discontinuously disposed apart from the concentrator element, thereby enabling separate manufacture of the concentrator element from at least one part of the associated redirecting element
AMENDED SHEET (ARTICLE 19) 20
23. The solar concentrator as defined in Claim 22 wherein the plurality of optical elements and the waveguide are disposed in a vertical stack of physically separate components, thereby enabling direct assembly of separate parts comprising the solar concentrator.
24. The solar concentrator as defined in Claim 18 wherein the at least one portion of the redirecting element comprises an entry element into the waveguide.
25. The solar concentrator as defined in Claim 18 wherein at least a portion of the redirecting element is separate from the waveguide.
26. The solar concentrator as defined in Claim 18 wherein the waveguide is comprised of incremental stepped sections, the step height about the height of the concentrated light being input into the waveguide at that section.
27. The solar concentrator as defined in Claim 26 wherein the step height is about the height of the light input to the waveguide at that section.
28. The solar concentrator as defined in Claim 27 wherein the step height can be selected from the group of a vertical step up and a vertical step dowa
29. The solar concentrator as defined in Claim 18 wherein the waveguide has upper and lower horizontal surfaces which are substantially parallel.
30. The solar concentrator as defined in Claim 18 wherein the plurality of optical elements input light to the waveguide to provide aggregated light and the concentrator further includes a receiver which collects the aggregated light.
31. The solar concentrator as defined in Claim 18 wherein the concentrator element is selected from the group consisting of a spherical lens, an aspherical lens, a Fresnel lens, a cylindrical lens, a tailored shape lens, a parabolic surface, an elliptical surface, a hyperbolic surface, an arc and a tailored shape reflective surface.
32. The solar concentrator as defined in Claim 18 wherein the concentrator element is disposed at least one of above the waveguides and below the waveguide.
33. The solar concentrator as defined in Claim 18 wherein the concentrator element can differ from one of the plurality of optical elements to another.
AMENDED SHEET (ARTICLE 19)
34. The solar concentrator as defined in Claim 18 wherein the at least one redirecting element is positioned at least one of above the waveguide and below the waveguide.
35. The solar concentrator as defined in Claim 18 wherein the redirecting element is selected from the group of a flat reflective surface, a parabolic surface, an elliptical surface, a hyperbolic surface, an arc and a refractive component selected from the group of a spherical component, an aspherical component, a Fresnel lens and a tailored shape.
36. The solar concentrator as defined in Claim 18 wherein the redirecting element can differ from one of the plurality of optical elements to another,
37. The solar concentrator as defined in Claim 18 wherein the concentrator element comprises an asymmetrical refracting lens element such that the light achieves total internal reflection by the redirecting element
38. The solar concentrator as defined in Claim 18 further including a light receiver and wherein an end of the waveguide has another optical feature that redirects the light from the waveguide towards the receiver.
39. The solar concentrator as defined in Claim 38 where the plurality of optical elements and the waveguide are mirrored about a central axis to form two systems, such that the receivers from the two systems combine to form one contiguous receiver, and the solar concentrator has doubled in width while retaining a same height.
40. The solar concentrator as defined in Claim 18 wherein the waveguide includes top and bottom walls which are parallel to a top collecting surface of the solar concentrator.
41. The solar concentrator as defined in Claim 18 wherein the waveguide includes top and bottom walls which are disposed at an angle to a top collecting surface of the solar concentrator.
42. The solar concentrator as defined in Claim 18 wherein the concentrating elements of about the same size across the plurality of concentrating elements and the redirecting elements are of about the same size across the plurality of redirecting elements.
AMENDED SHEET (ARTICLE 19) 22
43. The solar concentrator as defined in Claim 18 where the concentrating elements are of about the same size across the plurality of concentrating elements and the redirecting elements are of varying sizes across the plurality of redirecting elements.
44. The solar concentrator as defined in Claim 18 further including a light receiver and wherein the receiver is replaced with a light source and the solar concentrator works in reverse as a light difruser.
45. The solar concentrator as defined in Claim 18 where the solar concentrator is linearly symmetric and delivers light concentrated along one axis to the end of the waveguide, at which point a second solar concentrator is located in a second axis, collecting light from the first concentrator and concentrating light along the second axis.
46. The solar concentrator as defined in Claim 39 where the solar concentrator is linearly symmetric and delivers light concentrated along one axis to the receiver at which point a second solar concentrator is located in a second axis, collecting light from a first solar concentrator and concentrating light along the second axis, bringing the light thus concentrated in two axes to the receiver.
47. A solar concentrator, comprising: a plurality of optical elements disposed adjacent each other with each of the optical elements including:
(a) a concentrator element for collecting and repositioning input light;
(b) a redirecting element comprised of (1) a first redirecting element portion receiving repositioned light from the concentrator and having a discontinuous spatial surface and disposed substantially opposed to the concentrator element; and the first redirecting element further repositioning the light; and (2) a second redirecting element portion that receives the repositioned light from the first redirecting element and further repositions the light, wherein the redirecting element includes a contiguous connection between at least a portion of each of the adjacent redirecting elements with the light avoiding repositioning within the contiguous connection; and the solar concentrator further including: a waveguide physically separated from the concentrator element and the waveguide for receiving the repositioned light from the second redirecting element portion, thereby enabling vertical stacking of separately manufactured parts of the solar concentrator.
AMENDED SHEET (ARTICLE 19) 23
48. The solar concentrator as defined in Claim 47 wherein at least a portion of the redirecting element is disposed opposite the concentrator element and the concentrating element being shaped for repositioning of an input light edge ray to substantially a perpendicular angle relative to the input light edge ray and at least a portion of the redirecting element shaped to receive the light edge ray from the concentrating element to reposition the light edge ray at a second substantially perpendicular angle.
49. The solar concentrator as defined in Claim 47 wherein the light edge ray first repositioned by the light redirecting element is further repositioned by the at least one portion of the redirecting element at yet another substantially perpendicular angle.
50. The solar concentrator as defined in Claim 47 wherein the second redirecting element comprises an entry element into the waveguide.
51. The solar concentrator as defined in Claim 47 wherein the waveguide is comprised of incremental stepped sections, the step height about the height of the concentrated light being input into the waveguide at an input section.
52. The solar concentrator as defined in Claim 51 wherein the step height is about the height of the light input to the second redirecting element.
53. The solar concentrator as defined in Claim 47 wherein the concentrator element of each of the plurality of optical elements is separated from the second redirecting element by a layer within which the repositioned light does not undergo a change of direction.
54. The solar concentrator as defined in Claim 47 wherein a lower surface of the concentrator element and the first redirecting element and an upper surface of the waveguide are substantially parallel to each other.
55. The solar concentrator as defined in Claim 47 wherein the plurality of optical elements and the waveguide are disposed in a vertical stack of physically separate components, thereby enabling direct assembly of separate parts comprising the solar concentrator.
AMENDED SHEET (ARTICLE 19) 24
56. The solar concentrator as defined in Claim 47 wherein the concentrating element of each of the plurality of optical elements is separated from at least part of the redirecting element by a vertical layer within which the light does not undergo a repositioning charge of direction.
57. The solar concentrator as defined in Claim 47 wherein the plurality of optical elements provide aggregated light to the waveguide and the concentrator further includes a receiver which collects the aggregated light
58. The solar concentrator as defined in Claim 47 wherein the concentrator element is selected from the group consisting of a spherical lens, an aspherical lens, a Fresnel lens, a cylindrical lens, a tailored shape lens, a parabolic surface, an elliptical surface, a hyperbolic surface, an arc and a tailored shape reflective surface.
59. The solar concentrator as defined in Claim 47 wherein the redirecting element is selected from the group of a flat reflective surface, a parabolic surface, an elliptical surface, a hyperbolic surface, an arc and a refractive component selected from the group of a spherical component, an aspherical component, a Fresnel lens and a tailored shape.
60. A solar concentrator comprising; a plurality of optical elements disposed adjacent each other with each of the plurality of optical elements including a concentrating element comprised of a combination of (1) a surface between a high index material and a low index material enabling refraction of input light and (2) a parabolic reflective surface which repositions the input light with the combination outputting the light without the light being repositioned more than once by the parabolic reflective surface; a waveguide comprised of a plurality of portions with each of the portions associated with a corresponding one of the concentrating elements, each of the waveguide portion further having a step feature associated with receiving the output light from the concentrating element and the waveguide including top and bottom walls which are substantially parallel to each other, thereby preserving concentration of the light for delivery to a receiver,
61. A method of manufacturing a solar concentrator, comprising the steps of:
AMENDED SHEET (ARTICLE 19) 25 providing a plurality of optical elements disposed adjacent each other with each of the plurality of optical elements including: (a) a concentrator element for collecting and repositioning input light; and (b) a redirecting element for receiving the light from the concentrator element; positioning a connection layer between one portion of the redirecting element and another portion of the redirecting element such that a contiguous layer is present between each adjacent redirecting element; providing a waveguide for receiving the light from the redirecting element; providing at least one redirecting element associated with each of the plurality of optical elements and the at least one associated redirecting element repositioning light received from the associated one of the plurality of optical elements and the light being redirected into the waveguide; and assembling the concentrator element, the redirecting element and the waveguide.
62. The method as defined in Claim 61 wherein the concentrator element is made using a substantially fiat top surface and includes a plurality of parabolic reflective surfaces to concentrate the light such that a light edge ray from the parabolic reflective surfaces are substantially horizontal, thereby enabling assembly of the solar concentrator into a vertically compact profile.
63. The method as defined in Claim 61 wherein the step of assembly includes interpenetrating each of the adjacent concentrator element and the waveguide into the redirecting element.
64. The method as defined in Claim 61 wherein the redirecting element includes a top and bottom side which allows for multiple units to be made from a single mold,
65. The method as defined in Claim 64 wherein the top side includes a plurality of reflective surfaces which are shaped to accept a substantially horizontal light edge ray from the parabolic surface to output a light edge ray which is substantially vertical.
66. The method as defined in Claim 64 wherein the bottom side includes a plurality of reflective surfaces which receive the substantially vertical light edge ray and redirects the light edge to a substantially horizontal direction for insertion into the waveguide.
AMENDED SHEET (ARTICLE 19) 26
67. A solar concentrator, comprising: a plurality of optical elements disposed adjacent each other with each of the optical elements including:
(a) a concentrator element for collecting and repositioning input light, the concentrator element having a shape such that a vector defining direction of light edge ray is substantially horizontal;
(b) a redirecting element comprised of (1) a first redirecting element receiving repositioned light from the concentrator, including the substantially horizontal light edge ray, and the first redirecting element having a discontinuous spatial surface and disposed substantially opposed to the concentrator element; and the first redirecting element having a selected shape for further repositioning the light such that the light edge ray vector becomes substantially vertical; and (2) a second redirecting element having a particular surface shape that receives the repositioned light, including the substantially vertical light edge ray, from the first redirecting element and further repositions the light such that the light edge ray vector is substantially horizontal, the second redirecting element being separated from the concentrator element and the first redirecting element; and the solar concentrator further including: a waveguide for receiving the repositioned light, including the substantially horizontal light edge ray, from the second redirecting element; and a connection layer which is disposed contiguously along the plurality of optical elements and between the first and second redirecting elements and further contiguously connects at least a portion of each of the redirecting elements to each adjacent redirecting element, and the concentrator element, the redirecting element with the connection layer and the waveguide thereby stacked as separate manufactured components to provide a low profile form of solar concentrator
AMENDED SHEET (ARTICLE 19) 27
PCT/US2008/075737 2007-09-10 2008-09-09 Compact optics for concentration, aggregation and illumination of light energy WO2009035986A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020107007127A KR101455892B1 (en) 2007-09-10 2008-09-09 Compact Optics for Concentration, Aggregation and Illumination of Light Energy
AU2008299119A AU2008299119B2 (en) 2007-09-10 2008-09-09 Compact optics for concentration, aggregation and illumination of light energy
EP08830932A EP2201309A4 (en) 2007-09-10 2008-09-09 Compact optics for concentration, aggregation and illumination of light energy
JP2010524238A JP2010539428A (en) 2007-09-10 2008-09-09 Compact optical system for collecting, integrating and irradiating light energy
CN2008801057847A CN101809377B (en) 2007-09-10 2008-09-09 Compact optics for concentration, aggregation and illumination of light energy
CA2698284A CA2698284C (en) 2007-09-10 2008-09-09 Compact optics for concentration, aggregation and illumination of light energy

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/852,854 2007-09-10
US11/852,854 US7672549B2 (en) 2007-09-10 2007-09-10 Solar energy concentrator
US12/207,346 2008-09-09
US12/207,346 US7664350B2 (en) 2007-09-10 2008-09-09 Compact optics for concentration, aggregation and illumination of light energy

Publications (3)

Publication Number Publication Date
WO2009035986A2 WO2009035986A2 (en) 2009-03-19
WO2009035986A3 WO2009035986A3 (en) 2009-05-14
WO2009035986A4 true WO2009035986A4 (en) 2009-07-16

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PCT/US2008/075737 WO2009035986A2 (en) 2007-09-10 2008-09-09 Compact optics for concentration, aggregation and illumination of light energy

Country Status (8)

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US (2) US7664350B2 (en)
EP (1) EP2201309A4 (en)
JP (1) JP2010539428A (en)
KR (1) KR101455892B1 (en)
CN (1) CN101809377B (en)
AU (1) AU2008299119B2 (en)
CA (1) CA2698284C (en)
WO (1) WO2009035986A2 (en)

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