CA3039108C - Outcoupling grating for augmented reality system - Google Patents

Outcoupling grating for augmented reality system Download PDF

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Publication number
CA3039108C
CA3039108C CA3039108A CA3039108A CA3039108C CA 3039108 C CA3039108 C CA 3039108C CA 3039108 A CA3039108 A CA 3039108A CA 3039108 A CA3039108 A CA 3039108A CA 3039108 C CA3039108 C CA 3039108C
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CA
Canada
Prior art keywords
diffractive optical
waveguide
optical element
ridge
eyepiece
Prior art date
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Active
Application number
CA3039108A
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English (en)
French (fr)
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CA3039108A1 (en
Inventor
Robert D. Tekolste
Victor K. Liu
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Magic Leap Inc
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Magic Leap Inc
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Publication date
Application filed by Magic Leap Inc filed Critical Magic Leap Inc
Priority to CA3216566A priority Critical patent/CA3216566C/en
Publication of CA3039108A1 publication Critical patent/CA3039108A1/en
Application granted granted Critical
Publication of CA3039108C publication Critical patent/CA3039108C/en
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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
    • G02B27/0081—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
    • 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
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/001—Eyepieces
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4261—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element with major polarization dependent properties
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/44—Grating systems; Zone plate systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • 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
    • 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
    • G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/34—Optical coupling means utilising prism or grating
    • 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
    • G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
    • 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)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
  • Optical Communication System (AREA)
  • Lenses (AREA)
  • Engineering & Computer Science (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Computer Graphics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
CA3039108A 2016-10-26 2017-10-25 Outcoupling grating for augmented reality system Active CA3039108C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3216566A CA3216566C (en) 2016-10-26 2017-10-25 Outcoupling grating for augmented reality system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662413288P 2016-10-26 2016-10-26
US62/413,288 2016-10-26
PCT/US2017/058351 WO2018081305A1 (en) 2016-10-26 2017-10-25 Outcoupling grating for augmented reality system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3216566A Division CA3216566C (en) 2016-10-26 2017-10-25 Outcoupling grating for augmented reality system

Publications (2)

Publication Number Publication Date
CA3039108A1 CA3039108A1 (en) 2018-05-03
CA3039108C true CA3039108C (en) 2023-12-05

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CA3039108A Active CA3039108C (en) 2016-10-26 2017-10-25 Outcoupling grating for augmented reality system
CA3216566A Active CA3216566C (en) 2016-10-26 2017-10-25 Outcoupling grating for augmented reality system

Family Applications After (1)

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Country Status (9)

Country Link
US (6) US10073267B2 (enExample)
EP (2) EP4160284A1 (enExample)
JP (1) JP6960994B2 (enExample)
KR (5) KR20190067243A (enExample)
CN (2) CN114879358B (enExample)
AU (1) AU2017348084B2 (enExample)
CA (2) CA3039108C (enExample)
IL (3) IL310553A (enExample)
WO (1) WO2018081305A1 (enExample)

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Publication number Publication date
CN114879358A (zh) 2022-08-09
NZ752202A (en) 2023-11-24
EP3532879A4 (en) 2019-11-13
JP2019536082A (ja) 2019-12-12
NZ793413A (en) 2023-11-24
IL300304B2 (en) 2024-07-01
AU2017348084B2 (en) 2021-08-19
IL300304B1 (en) 2024-03-01
KR20230086806A (ko) 2023-06-15
CA3216566C (en) 2026-01-13
CN114879358B (zh) 2025-03-28
IL266072A (en) 2019-06-30
US12210161B2 (en) 2025-01-28
US20210364805A1 (en) 2021-11-25
CN109891282B (zh) 2022-05-17
IL310553A (en) 2024-03-01
US10649213B2 (en) 2020-05-12
IL300304A (en) 2023-04-01
KR102647795B1 (ko) 2024-03-13
US11054655B2 (en) 2021-07-06
KR20190067243A (ko) 2019-06-14
US20230221564A1 (en) 2023-07-13
KR20250073529A (ko) 2025-05-27
WO2018081305A1 (en) 2018-05-03
CA3216566A1 (en) 2018-05-03
US20180113313A1 (en) 2018-04-26
IL266072B1 (en) 2023-03-01
KR20240037356A (ko) 2024-03-21
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AU2017348084A1 (en) 2019-04-18
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US10073267B2 (en) 2018-09-11
JP6960994B2 (ja) 2021-11-05
EP3532879A1 (en) 2019-09-04
CA3039108A1 (en) 2018-05-03
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US20200225491A1 (en) 2020-07-16
US20250130429A1 (en) 2025-04-24
US20180341113A1 (en) 2018-11-29
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CN109891282A (zh) 2019-06-14

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