WO2006014430A3 - Illumination systems - Google Patents

Illumination systems Download PDF

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Publication number
WO2006014430A3
WO2006014430A3 PCT/US2005/023841 US2005023841W WO2006014430A3 WO 2006014430 A3 WO2006014430 A3 WO 2006014430A3 US 2005023841 W US2005023841 W US 2005023841W WO 2006014430 A3 WO2006014430 A3 WO 2006014430A3
Authority
WO
WIPO (PCT)
Prior art keywords
illumination systems
light beams
systems
polarizing
pbss
Prior art date
Application number
PCT/US2005/023841
Other languages
French (fr)
Other versions
WO2006014430A2 (en
Inventor
Michael G Robinson
Original Assignee
Colorlink Inc
Michael G Robinson
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 Colorlink Inc, Michael G Robinson filed Critical Colorlink Inc
Priority to EP05768605A priority Critical patent/EP1763697A4/en
Priority to JP2007520442A priority patent/JP4825203B2/en
Publication of WO2006014430A2 publication Critical patent/WO2006014430A2/en
Publication of WO2006014430A3 publication Critical patent/WO2006014430A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G02B27/285—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining comprising arrays of elements, e.g. microprisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/148—Beam splitting or combining systems operating by reflection only including stacked surfaces having at least one double-pass partially reflecting surface
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • 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
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods
    • 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

Abstract

Described are illumination systems whereby light spectra from multiple LEDs of various colors can be combined and polarized with minimal components, while substantially reducing the losses for the combining and polarizing. The described systems and methods use polarizing beam sputters (PBSs) with retarder stack filters to combine color and split polarization for mixed light beams in one step, and to ultimately align the polarizations of the several colored light beams.
PCT/US2005/023841 2004-07-06 2005-07-06 Illumination systems WO2006014430A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05768605A EP1763697A4 (en) 2004-07-06 2005-07-06 Illumination systems
JP2007520442A JP4825203B2 (en) 2004-07-06 2005-07-06 Illumination system and method capable of controlling polarization state

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58608904P 2004-07-06 2004-07-06
US60/586,089 2004-07-06

Publications (2)

Publication Number Publication Date
WO2006014430A2 WO2006014430A2 (en) 2006-02-09
WO2006014430A3 true WO2006014430A3 (en) 2007-06-14

Family

ID=35787600

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/023841 WO2006014430A2 (en) 2004-07-06 2005-07-06 Illumination systems

Country Status (4)

Country Link
US (2) US7692861B2 (en)
EP (2) EP1763697A4 (en)
JP (1) JP4825203B2 (en)
WO (1) WO2006014430A2 (en)

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Also Published As

Publication number Publication date
JP2008506155A (en) 2008-02-28
US20100238549A1 (en) 2010-09-23
US7692861B2 (en) 2010-04-06
US7944612B2 (en) 2011-05-17
WO2006014430A2 (en) 2006-02-09
EP2418522A1 (en) 2012-02-15
JP4825203B2 (en) 2011-11-30
US20060007538A1 (en) 2006-01-12
EP1763697A4 (en) 2009-10-28
EP1763697A2 (en) 2007-03-21

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