CA2956844C - Multiple-laser light source - Google Patents

Multiple-laser light source

Info

Publication number
CA2956844C
CA2956844C CA2956844A CA2956844A CA2956844C CA 2956844 C CA2956844 C CA 2956844C CA 2956844 A CA2956844 A CA 2956844A CA 2956844 A CA2956844 A CA 2956844A CA 2956844 C CA2956844 C CA 2956844C
Authority
CA
Canada
Prior art keywords
light
light source
source according
lasers
beams
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CA2956844A
Other languages
English (en)
French (fr)
Other versions
CA2956844A1 (en
Inventor
Gerwin Damberg
Anders Ballestad
Raveen Kumaran
Johannes MINOR
Gil Rosenfeld
Eric Jan KOZAK
Eran Elizur
Original Assignee
Barco Visual Solutions 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 Barco Visual Solutions Inc filed Critical Barco Visual Solutions Inc
Priority to CA3238721A priority Critical patent/CA3238721A1/en
Publication of CA2956844A1 publication Critical patent/CA2956844A1/en
Application granted granted Critical
Publication of CA2956844C publication Critical patent/CA2956844C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/90—Heating arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/312—Driving therefor
    • H04N9/3126—Driving therefor for spatial light modulators in series
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • 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]
    • 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
    • F21Y2115/30—Semiconductor lasers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Semiconductor Lasers (AREA)
  • Projection Apparatus (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CA2956844A 2014-08-14 2015-08-14 Multiple-laser light source Active CA2956844C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3238721A CA3238721A1 (en) 2014-08-14 2015-08-14 Multiple-laser light source

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462037543P 2014-08-14 2014-08-14
US62/037,543 2014-08-14
PCT/CA2015/050778 WO2016023133A1 (en) 2014-08-14 2015-08-14 Multiple-laser light source

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3238721A Division CA3238721A1 (en) 2014-08-14 2015-08-14 Multiple-laser light source

Publications (2)

Publication Number Publication Date
CA2956844A1 CA2956844A1 (en) 2016-02-18
CA2956844C true CA2956844C (en) 2024-07-02

Family

ID=55303742

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2956844A Active CA2956844C (en) 2014-08-14 2015-08-14 Multiple-laser light source
CA3238721A Pending CA3238721A1 (en) 2014-08-14 2015-08-14 Multiple-laser light source

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA3238721A Pending CA3238721A1 (en) 2014-08-14 2015-08-14 Multiple-laser light source

Country Status (6)

Country Link
US (4) US9874319B2 (https=)
EP (1) EP3180652A4 (https=)
JP (2) JP6791840B2 (https=)
CN (2) CN106662753B (https=)
CA (2) CA2956844C (https=)
WO (1) WO2016023133A1 (https=)

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CA3238721A1 (en) 2016-02-18
WO2016023133A1 (en) 2016-02-18
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CA2956844A1 (en) 2016-02-18
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