DK2089656T4 - Fremgangsmåder og apparat til at tilvejebringe ensartet projektionsbelysning - Google Patents

Fremgangsmåder og apparat til at tilvejebringe ensartet projektionsbelysning Download PDF

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Publication number
DK2089656T4
DK2089656T4 DK07862228.9T DK07862228T DK2089656T4 DK 2089656 T4 DK2089656 T4 DK 2089656T4 DK 07862228 T DK07862228 T DK 07862228T DK 2089656 T4 DK2089656 T4 DK 2089656T4
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DK
Denmark
Prior art keywords
led
light source
light
reference axis
orientation
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DK07862228.9T
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English (en)
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DK2089656T3 (da
Inventor
Ryan C Williamson
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Philips Lighting North America Corp
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0091—Reflectors for light sources using total internal reflection
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2013—Plural light sources
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/233—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements
    • F21Y2105/12—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • F21Y2113/17—Combination of light sources of different colours comprising an assembly of point-like light sources forming a single encapsulated light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Microelectronics & Electronic Packaging (AREA)

Claims (14)

1. Belysningsapparat (300), der omfatter: en i det væsentlige plan monteringsplade (302) med en første referenceakse (510) i et første plan defineret af monteringspladen og en flerhed af LED-baserede lyskilder (301) placeret på monteringspladen, hvor hver lyskilde har en anden referenceakse (512A, 512B, 512C), der indikerer en orientering aflyskilden i det første plan, hvor den anden referenceakse af hver lyskilde er udlagt identisk for samtlige lyskilder af flerheden af lyskilder, kendetegnet ved, at flerheden af LED-baserede lyskilder er placeret således på monteringspladen, at den første orientering (514A) af en første lyskilde (301A) af flerheden aflyskilder som defineret af dens anden referenceakse (512A) i forholdtil den første referenceakse (510) afmonteringspladen er forskellig fra mindst én anden første orientering (514B) af mindst én anden lyskilde (30 IB) af flerheden aflyskilder som defineret af dens anden referenceakse (512B) i forhold til den første referenceakse (510) af monteringspladen, hvor den første lyskilde er anbragt til at projicere en første kollimeret lysstråle og den mindst ene anden lyskilde er anbragt til at projicere mindst én anden kollimeret lysstråle, hvor den første og den anden stråle er kollimerede i forskellige orienteringer, der svarer til orienteringsforskellen mellem den første orientering og den mindst ene anden første orientering og er således anbragt, at den første og den anden kollimerede lysstråle mindst delvist overlapper hinanden for at reducere eller eliminere billeddannelse af den lysemitterende del af den LED-baserede lyskilde i et målbelysningsfelt.
2. Apparat ifølge krav 1, hvor hver LED-baseret lyskilde (301) omfatter en LED-pakke, der indbefatter en chip-på-plade-enhed af flere LED-chips.
3. Apparat ifølge krav 2, hvor hver LED-baseret lyskilde endvidere omfatter en kollimator (315), der er koblet til LED-pakken.
4. Apparat ifølge krav 2, hvor mindst den første orientering (514A) af den første lyskilde (301A) er baseret mindst delvist på mindst ét emissionsspektrum af de flere LED-chips.
5. Apparat ifølge krav 4, hvor mindst den første orientering af den første lyskilde er baseret mindst delvist på en rotationssymmetri af det mindst ene emissionsspektrum af de flere LED-chips.
6. Apparat ifølge krav 2, hvor de flere LED-chips er anbragt således i chip-på-plade-enheden, at de danner et lysemissionsområde med en geometrisk form, og hvor mindst den første orientering af den første lyskilde er baseret mindst delvist på en rotationssymmetri af den geometriske form.
7. Apparat ifølge krav 1, hvor hver lyskilde af flerheden aflyskilder har en unik orientering i forhold til den første referenceakse af monteringspladen.
8. Fremgangsmåde til at tilvejebringe ensartet projektionsbelysning, hvilken fremgangsmåde omfatter følgende trin: anbringelse af en flerhed af LED-baserede lyskilder (301) på en i det væsentlige plan monteringsplade (302), således at mindst to LED-baserede lyskilder (301 A, 301B) af flerheden af LED-baserede lyskilder har forskellige orienteringer (514A, 514B) i forhold til en første referenceakse i et plan defineret af den fælles monteringsplade, hvor flerheden af LED-baserede lyskilder, når de er aktiverede, projicerer en tilsvarende flerhed af kollimerede lysstråler mod et målbelysningsfelt, hvor strålerne mindst delvist overlapper hinanden i målbelysningsfeltet, hvor flerheden af kollimerede lysstråler omfatter en første kollimeret lysstråle og en anden kollimeret lysstråle, hvor den første og den anden stråle er kollimeret i forskellige orienteringer, der svarer til orienteringsforskellen mellem de tilsvarende orienteringer af de tilsvarende LED-baserede lyskilder for at frembringe en i alt væsentligt ensartet belysning i målbelysningsfeltet og for at reducere eller eliminere billeddannelse af den lysemitterende del af den LED-baserede lyskilde i målbelysningsfeltet.
9. Fremgangsmåde ifølge krav 8, hvor den i det væsentlige plane monteringsplade (302) har en første referenceakse (510) i et første plan defineret af monteringspladen; hver lyskilde har en anden referenceakse (512A, 512B), der indikerer en orientering (514A, 514B) aflyskilden, hvor den anden referenceakse for hver lyskilde er udlagt identisk for samtlige lyskilder af flerheden aflyskilder; og flerheden af LED-baserede lyskilder er placeret således på monteringspladen, at den første orientering (514A) af en første lyskilde (301A) af flerheden aflyskilder som defineret af dens anden referenceakse (512A) i forhold til den første referenceakse (510) af monteringspladen er forskellig fra mindst én anden orientering (514B) af mindst én anden lyskilde (30 IB) af flerheden aflyskilder som defineret af dens anden referenceakse (512B) i forhold til den første referenceakse (510) af monteringspladen.
10. Fremgangsmåde ifølge krav 9, hvor hver LED-baseret lyskilde omfatter en LED-pakke, der indbefatter en chip-på-plade-enhed af flere LED-chips og en kollimator, der er koblet til LED-pakken.
11. Fremgangsmåde ifølge krav 9, hvor mindst den første orientering af den første lyskilde er baseret mindst delvist på mindst ét emissionsspektrum af de flere LED-chips.
12. Fremgangsmåde ifølge krav 11, hvor mindst den første orientering af den første lyskilde er baseret mindst delvist på en symmetri af det mindst ene emissionsspektrum af de flere LED-chips.
13. Fremgangsmåde ifølge krav 9, hvor de flere LED-chips er anbragt således i chip-på-plade-enheden, at de danner et lysemissionsområde med en geometrisk form, og hvor mindst den første orientering af den første lyskilde er baseret mindst delvist på en rotationssymmetri af den geometriske form.
14. Fremgangsmåde ifølge krav 9, hvor hver lyskilde af flerheden af lyskilder har en unik orientering i forhold til den første referenceakse af monteringspladen.
DK07862228.9T 2006-11-27 2007-11-27 Fremgangsmåder og apparat til at tilvejebringe ensartet projektionsbelysning DK2089656T4 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86720606P 2006-11-27 2006-11-27
PCT/US2007/024389 WO2008066785A2 (en) 2006-11-27 2007-11-27 Methods and apparatus for providing uniform projection lighting

Publications (2)

Publication Number Publication Date
DK2089656T3 DK2089656T3 (da) 2011-06-20
DK2089656T4 true DK2089656T4 (da) 2018-07-02

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US (1) US7806558B2 (da)
EP (1) EP2089656B2 (da)
JP (2) JP5396278B2 (da)
KR (1) KR101523993B1 (da)
CN (1) CN101627253B (da)
AT (1) ATE500469T2 (da)
BR (1) BRPI0719124B1 (da)
DE (1) DE602007012927D1 (da)
DK (1) DK2089656T4 (da)
ES (1) ES2362411T5 (da)
PL (1) PL2089656T5 (da)
RU (1) RU2446348C2 (da)
WO (1) WO2008066785A2 (da)

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WO2008066785A3 (en) 2008-08-14
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DE602007012927D1 (de) 2011-04-14
DK2089656T3 (da) 2011-06-20
CN101627253B (zh) 2011-05-18
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EP2089656B1 (en) 2011-03-02
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EP2089656B2 (en) 2018-05-23
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ES2362411T3 (es) 2011-07-05
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