SG11202107341WA - Novel grating arrangements - Google Patents

Novel grating arrangements

Info

Publication number
SG11202107341WA
SG11202107341WA SG11202107341WA SG11202107341WA SG11202107341WA SG 11202107341W A SG11202107341W A SG 11202107341WA SG 11202107341W A SG11202107341W A SG 11202107341WA SG 11202107341W A SG11202107341W A SG 11202107341WA SG 11202107341W A SG11202107341W A SG 11202107341WA
Authority
SG
Singapore
Prior art keywords
grating arrangements
novel grating
novel
arrangements
grating
Prior art date
Application number
SG11202107341WA
Inventor
Juuso Olkkonen
Original Assignee
Dispelix Oy
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 Dispelix Oy filed Critical Dispelix Oy
Publication of SG11202107341WA publication Critical patent/SG11202107341WA/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
    • G02B27/42—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
    • G02B27/01—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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
SG11202107341WA 2019-04-16 2020-04-15 Novel grating arrangements SG11202107341WA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20195309 2019-04-16
PCT/FI2020/050242 WO2020212647A1 (en) 2019-04-16 2020-04-15 Novel grating arrangements

Publications (1)

Publication Number Publication Date
SG11202107341WA true SG11202107341WA (en) 2021-11-29

Family

ID=72838148

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202107341WA SG11202107341WA (en) 2019-04-16 2020-04-15 Novel grating arrangements

Country Status (8)

Country Link
US (1) US20220099990A1 (en)
EP (1) EP3914955A4 (en)
JP (1) JP2022528594A (en)
KR (1) KR20210152451A (en)
CN (1) CN113396354A (en)
CA (1) CA3124289A1 (en)
SG (1) SG11202107341WA (en)
WO (1) WO2020212647A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4352410A1 (en) * 2021-06-09 2024-04-17 Snap Inc. Waveguide and diffraction grating for augmented reality or virtual reality display
JP2023124625A (en) * 2022-02-25 2023-09-06 ソニーグループ株式会社 Light guide plate and image display device
WO2023188701A1 (en) * 2022-03-31 2023-10-05 パナソニックＩｐマネジメント株式会社 Optical system and image display device
CN114910991B (en) * 2022-04-15 2023-03-24 北京驭光科技发展有限公司 Diffractive optical waveguide and display device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101589326B (en) * 2006-12-28 2011-06-29 诺基亚公司 Device for expanding an exit pupil in two dimensions
GB2529003B (en) * 2014-08-03 2020-08-26 Wave Optics Ltd Optical device
US10241332B2 (en) * 2015-10-08 2019-03-26 Microsoft Technology Licensing, Llc Reducing stray light transmission in near eye display using resonant grating filter
US10067347B2 (en) * 2016-04-13 2018-09-04 Microsoft Technology Licensing, Llc Waveguides with improved intensity distributions
US10241346B2 (en) * 2016-05-07 2019-03-26 Microsoft Technology Licensing, Llc Degrees of freedom for diffraction elements in wave expander
US10444419B2 (en) * 2016-08-22 2019-10-15 Magic Leap, Inc. Dithering methods and apparatus for wearable display device
EP3339936A1 (en) * 2016-12-20 2018-06-27 Oculus VR, LLC Waveguide display with a small form factor, a large field of view and a large eyebox
US10845525B2 (en) * 2016-12-31 2020-11-24 Vuzix Corporation Imaging light guide with grating-expanded light distribution
IL269099B1 (en) * 2017-03-21 2024-01-01 Magic Leap Inc Method and system for waveguide projector with wide field of view
GB201705160D0 (en) * 2017-03-30 2017-05-17 Wave Optics Ltd Waveguide for an augmented reality or virtual reality display
FI128831B (en) * 2017-05-03 2021-01-15 Dispelix Oy Display element, personal display device, method of producing an image on a personal display and use
FI128413B (en) * 2017-06-02 2020-04-30 Dispelix Oy Diffractive element with doubly periodic gratings
WO2018231754A1 (en) * 2017-06-13 2018-12-20 Vuzix Corporation Image light guide with expanded light distribution overlapping gratings

Also Published As

Publication number Publication date
JP2022528594A (en) 2022-06-15
US20220099990A1 (en) 2022-03-31
CA3124289A1 (en) 2020-10-22
EP3914955A1 (en) 2021-12-01
CN113396354A (en) 2021-09-14
KR20210152451A (en) 2021-12-15
WO2020212647A1 (en) 2020-10-22
EP3914955A4 (en) 2022-12-21

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