AU2018239357B2 - Method and system for waveguide projector with wide field of view - Google Patents

Method and system for waveguide projector with wide field of view Download PDF

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Publication number
AU2018239357B2
AU2018239357B2 AU2018239357A AU2018239357A AU2018239357B2 AU 2018239357 B2 AU2018239357 B2 AU 2018239357B2 AU 2018239357 A AU2018239357 A AU 2018239357A AU 2018239357 A AU2018239357 A AU 2018239357A AU 2018239357 B2 AU2018239357 B2 AU 2018239357B2
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AU
Australia
Prior art keywords
waveguide
diffractive
view
field
input
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
AU2018239357A
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English (en)
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AU2018239357A1 (en
Inventor
Charles David Melville
Brian T. Schowengerdt
Mathew D. Watson
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Magic Leap Inc
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Magic Leap Inc
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Publication date
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Publication of AU2018239357A1 publication Critical patent/AU2018239357A1/en
Application granted granted Critical
Publication of AU2018239357B2 publication Critical patent/AU2018239357B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B27/01—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
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping type
    • 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
    • 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
    • G02B2027/0178—Eyeglass type
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Lenses (AREA)
AU2018239357A 2017-03-21 2018-03-21 Method and system for waveguide projector with wide field of view Active AU2018239357B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762474493P 2017-03-21 2017-03-21
US62/474,493 2017-03-21
PCT/US2018/023510 WO2018175546A1 (en) 2017-03-21 2018-03-21 Method and system for waveguide projector with wide field of view

Publications (2)

Publication Number Publication Date
AU2018239357A1 AU2018239357A1 (en) 2019-09-26
AU2018239357B2 true AU2018239357B2 (en) 2023-02-16

Family

ID=63582445

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2018239357A Active AU2018239357B2 (en) 2017-03-21 2018-03-21 Method and system for waveguide projector with wide field of view

Country Status (9)

Country Link
US (3) US10394030B2 (enExample)
EP (1) EP3602174A4 (enExample)
JP (3) JP7269884B2 (enExample)
KR (1) KR102594052B1 (enExample)
CN (1) CN110431471B (enExample)
AU (1) AU2018239357B2 (enExample)
CA (1) CA3056247C (enExample)
IL (1) IL269099B2 (enExample)
WO (1) WO2018175546A1 (enExample)

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US20250172756A1 (en) * 2021-12-29 2025-05-29 Google Llc Waveguide having combined pupil expander and output coupler
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Also Published As

Publication number Publication date
US20180275411A1 (en) 2018-09-27
CA3056247A1 (en) 2018-09-27
JP7785856B2 (ja) 2025-12-15
US10394030B2 (en) 2019-08-27
US10823968B2 (en) 2020-11-03
IL269099B1 (en) 2024-01-01
IL269099B2 (en) 2024-05-01
JP2020514830A (ja) 2020-05-21
JP2024144426A (ja) 2024-10-11
IL269099A (en) 2019-11-28
US11402636B2 (en) 2022-08-02
CN110431471A (zh) 2019-11-08
EP3602174A1 (en) 2020-02-05
EP3602174A4 (en) 2020-04-08
KR20190126410A (ko) 2019-11-11
CN110431471B (zh) 2023-06-23
US20200004021A1 (en) 2020-01-02
AU2018239357A1 (en) 2019-09-26
CA3056247C (en) 2024-01-30
JP7269884B2 (ja) 2023-05-09
US20210096375A1 (en) 2021-04-01
KR102594052B1 (ko) 2023-10-24
JP7517767B2 (ja) 2024-07-17
NZ756948A (en) 2024-04-26
WO2018175546A1 (en) 2018-09-27
JP2023024658A (ja) 2023-02-16

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