NZ745246A - Polarizing beam splitter with low light leakage - Google Patents

Polarizing beam splitter with low light leakage

Info

Publication number
NZ745246A
NZ745246A NZ745246A NZ74524617A NZ745246A NZ 745246 A NZ745246 A NZ 745246A NZ 745246 A NZ745246 A NZ 745246A NZ 74524617 A NZ74524617 A NZ 74524617A NZ 745246 A NZ745246 A NZ 745246A
Authority
NZ
New Zealand
Prior art keywords
beam splitter
polarizing beam
polarizer
spacer
opposing face
Prior art date
Application number
NZ745246A
Other languages
English (en)
Inventor
Bradley Sissom
Original Assignee
Magic Leap 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 Magic Leap Inc filed Critical Magic Leap Inc
Publication of NZ745246A publication Critical patent/NZ745246A/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
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • 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
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • 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]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
    • G02B2027/0125—Field-of-view increase by wavefront division

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Polarising Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laser Surgery Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Couplings Of Light Guides (AREA)
NZ745246A 2016-02-24 2017-02-24 Polarizing beam splitter with low light leakage NZ745246A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662299547P 2016-02-24 2016-02-24
US201662299601P 2016-02-25 2016-02-25
US201662307263P 2016-03-11 2016-03-11
PCT/US2017/019510 WO2017147527A1 (en) 2016-02-24 2017-02-24 Polarizing beam splitter with low light leakage

Publications (1)

Publication Number Publication Date
NZ745246A true NZ745246A (en) 2020-01-31

Family

ID=59629392

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ745246A NZ745246A (en) 2016-02-24 2017-02-24 Polarizing beam splitter with low light leakage

Country Status (10)

Country Link
US (2) US10302957B2 (enExample)
EP (1) EP3420387A4 (enExample)
JP (2) JP6898938B2 (enExample)
KR (2) KR102782057B1 (enExample)
CN (2) CN108700697B (enExample)
AU (1) AU2017224004B2 (enExample)
CA (1) CA3014496A1 (enExample)
IL (2) IL301720B2 (enExample)
NZ (1) NZ745246A (enExample)
WO (1) WO2017147527A1 (enExample)

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US20190258073A1 (en) 2019-08-22
CN108700697B (zh) 2021-12-14
IL301720A (en) 2023-05-01
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CN108700697A (zh) 2018-10-23
WO2017147527A1 (en) 2017-08-31
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US20170242264A1 (en) 2017-08-24
US11619827B2 (en) 2023-04-04
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IL301720B1 (en) 2024-07-01
EP3420387A1 (en) 2019-01-02

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