BR112012008188A2 - colimação eficiente de luz com cunha óptica - Google Patents

colimação eficiente de luz com cunha óptica

Info

Publication number
BR112012008188A2
BR112012008188A2 BR112012008188A BR112012008188A BR112012008188A2 BR 112012008188 A2 BR112012008188 A2 BR 112012008188A2 BR 112012008188 A BR112012008188 A BR 112012008188A BR 112012008188 A BR112012008188 A BR 112012008188A BR 112012008188 A2 BR112012008188 A2 BR 112012008188A2
Authority
BR
Brazil
Prior art keywords
light
efficient light
optical wedge
optical
light collimation
Prior art date
Application number
BR112012008188A
Other languages
English (en)
Inventor
Adrian Travis
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Publication of BR112012008188A2 publication Critical patent/BR112012008188A2/pt

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
    • G02B27/30—Collimators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • 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
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • Y10S385/901—Illuminating or display apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

colimação eficiente de luz com cunha óptica. a presente invenção refere-se a colimadores ópticos. por exemplo, uma modalidade descrita compreende um guia de onda óptica que tem uma primeira extremidade, uma segunda extremidade oposta à primeira extremidade, uma superfície de visualização que se estende pelo menos parcilmente entre a primeira extremidade e a segunda extremidade, e uma superfície posterior oposta à superfície de visualização. a superfície de visualização compreende um primeiro ângulo crítico de reflexão interna, e a superfície interna, ademais, um refletor de extremidade é disposto na segunda extremidade do guia de onda óptica, e inclui uma estrutura de lente facetada que faz com que a maioria da superfície de visualização seja uniformemente iluminada quando a luz uniforme for injetada na primeira extremidade e também faz com que a maioria da luz injetada saia da superfície de visualização.
BR112012008188A 2009-08-21 2010-08-20 colimação eficiente de luz com cunha óptica BR112012008188A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23592209P 2009-08-21 2009-08-21
US12/621,399 US20110044582A1 (en) 2009-08-21 2009-11-18 Efficient collimation of light with optical wedge
PCT/US2010/046129 WO2011022625A2 (en) 2009-08-21 2010-08-20 Efficient collimation of light with optical wedge

Publications (1)

Publication Number Publication Date
BR112012008188A2 true BR112012008188A2 (pt) 2016-03-01

Family

ID=43605440

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012008188A BR112012008188A2 (pt) 2009-08-21 2010-08-20 colimação eficiente de luz com cunha óptica

Country Status (9)

Country Link
US (4) US20110044582A1 (pt)
EP (1) EP2467749B1 (pt)
JP (1) JP2013502697A (pt)
KR (1) KR20120049890A (pt)
CN (1) CN102483522B (pt)
BR (1) BR112012008188A2 (pt)
CA (1) CA2768068A1 (pt)
RU (1) RU2536080C2 (pt)
WO (1) WO2011022625A2 (pt)

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