WO2011094122A3 - Lighting device with multi-chip light emitters, solid state light emitter support members and lighting elements - Google Patents

Lighting device with multi-chip light emitters, solid state light emitter support members and lighting elements Download PDF

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Publication number
WO2011094122A3
WO2011094122A3 PCT/US2011/021993 US2011021993W WO2011094122A3 WO 2011094122 A3 WO2011094122 A3 WO 2011094122A3 US 2011021993 W US2011021993 W US 2011021993W WO 2011094122 A3 WO2011094122 A3 WO 2011094122A3
Authority
WO
WIPO (PCT)
Prior art keywords
light emitter
solid state
state light
lighting device
chip
Prior art date
Application number
PCT/US2011/021993
Other languages
French (fr)
Other versions
WO2011094122A2 (en
Inventor
Gerald H. Negley
Mark D. Edmond
Paul Kenneth Pickard
Original Assignee
Cree, Inc.
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
Application filed by Cree, Inc. filed Critical Cree, Inc.
Priority to CN201180014510.9A priority Critical patent/CN102812284B/en
Priority to EP11701919.0A priority patent/EP2529146B1/en
Publication of WO2011094122A2 publication Critical patent/WO2011094122A2/en
Publication of WO2011094122A3 publication Critical patent/WO2011094122A3/en

Links

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
    • 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
    • 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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/62—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using mixing chambers, e.g. housings with reflective walls
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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 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 array of point-like light-generating elements
    • F21Y2105/12—Planar light sources comprising a two-dimensional 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
    • 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]

Abstract

A lighting device ( 10 ) in which a solid state light emitter in a first multi-chip light emitter ( 14 ) is spatially offset relative to a solid state light emitter in a second multi-chip light emitter. A lighting device comprising first, second and third multi-chip light emitters ( 14 ), in which any solid state light emitter in the second multi -chip light emitter that is spatially offset relative to a first solid state light emitter on the first multi-chip light emitter by less than 10 degrees emits light of a hue that differs from the hue of light emitted by the first solid state light emitter by more than seven MacAdam ellipses. A solid state light emitter support member ( 13 ) comprising a center region and at least first, second and third protrusions extending from the center region. A lighting device comprising at least a first housing member ( 15 ), and means for emitting substantially uniform light.
PCT/US2011/021993 2010-01-27 2011-01-21 Lighting device with multi-chip light emitters, solid state light emitter support members and lighting elements WO2011094122A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180014510.9A CN102812284B (en) 2010-01-27 2011-01-21 There is the luminaire of multi-chip light emitting body, solid-state light emitters supporting member and illumination component
EP11701919.0A EP2529146B1 (en) 2010-01-27 2011-01-21 Lighting device with multi-chip light emitters, solid state light emitter support members and lighting elements

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US29870110P 2010-01-27 2010-01-27
US61/298,701 2010-01-27
US29915410P 2010-01-28 2010-01-28
US29918310P 2010-01-28 2010-01-28
US61/299,183 2010-01-28
US61/299,154 2010-01-28
US29963410P 2010-01-29 2010-01-29
US61/299,634 2010-01-29
US12/776,947 2010-05-10
US12/776,947 US8508116B2 (en) 2010-01-27 2010-05-10 Lighting device with multi-chip light emitters, solid state light emitter support members and lighting elements

Publications (2)

Publication Number Publication Date
WO2011094122A2 WO2011094122A2 (en) 2011-08-04
WO2011094122A3 true WO2011094122A3 (en) 2011-11-10

Family

ID=44308823

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/021993 WO2011094122A2 (en) 2010-01-27 2011-01-21 Lighting device with multi-chip light emitters, solid state light emitter support members and lighting elements

Country Status (5)

Country Link
US (2) US8508116B2 (en)
EP (1) EP2529146B1 (en)
CN (1) CN102812284B (en)
TW (1) TW201235617A (en)
WO (1) WO2011094122A2 (en)

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WO2011094122A2 (en) 2011-08-04

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