IL273522B2 - Methods and devices for reducing stray light emission from an eyepiece of an optical imaging system - Google Patents

Methods and devices for reducing stray light emission from an eyepiece of an optical imaging system

Info

Publication number
IL273522B2
IL273522B2 IL273522A IL27352220A IL273522B2 IL 273522 B2 IL273522 B2 IL 273522B2 IL 273522 A IL273522 A IL 273522A IL 27352220 A IL27352220 A IL 27352220A IL 273522 B2 IL273522 B2 IL 273522B2
Authority
IL
Israel
Prior art keywords
waveguide
light
waveguides
edge
eyepiece
Prior art date
Application number
IL273522A
Other languages
English (en)
Hebrew (he)
Other versions
IL273522A (en
IL273522B1 (en
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 IL273522A publication Critical patent/IL273522A/en
Publication of IL273522B1 publication Critical patent/IL273522B1/en
Publication of IL273522B2 publication Critical patent/IL273522B2/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/017Head mounted
    • G02B27/0172Head mounted characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00Eyepieces; Magnifying glasses
    • G02B25/001Eyepieces
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4272Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/50Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/003Light absorbing elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29316Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29325Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide of the slab or planar or plate like form, i.e. confinement in a single transverse dimension only
    • G02B6/29328Diffractive elements operating in reflection
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/34Optical coupling means utilising prism or grating
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/35Optical coupling means having switching means
    • G02B6/351Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3534Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being diffractive, i.e. a grating
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12083Constructional arrangements
    • G02B2006/12107Grating
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • G02B2027/0118Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G02B2027/012Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility comprising devices for attenuating parasitic image effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Integrated Circuits (AREA)
IL273522A 2017-09-28 2018-09-27 Methods and devices for reducing stray light emission from an eyepiece of an optical imaging system IL273522B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762564528P 2017-09-28 2017-09-28
PCT/US2018/053172 WO2019067751A1 (en) 2017-09-28 2018-09-27 METHODS AND APPARATUSES FOR REDUCING PARASITIC LIGHT EMISSION OF AN OCULAR OF AN OPTICAL IMAGING SYSTEM

Publications (3)

Publication Number Publication Date
IL273522A IL273522A (en) 2020-05-31
IL273522B1 IL273522B1 (en) 2025-05-01
IL273522B2 true IL273522B2 (en) 2025-09-01

Family

ID=65808918

Family Applications (1)

Application Number Title Priority Date Filing Date
IL273522A IL273522B2 (en) 2017-09-28 2018-09-27 Methods and devices for reducing stray light emission from an eyepiece of an optical imaging system

Country Status (9)

Country Link
US (3) US11086128B2 (enExample)
EP (2) EP3688371B1 (enExample)
JP (3) JP7064581B2 (enExample)
KR (2) KR102437645B1 (enExample)
CN (2) CN115061278A (enExample)
AU (1) AU2018339658B2 (enExample)
CA (1) CA3075926A1 (enExample)
IL (1) IL273522B2 (enExample)
WO (1) WO2019067751A1 (enExample)

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US20190095047A1 (en) 2017-09-25 2019-03-28 International Business Machines Corporation Safely capturing input when a dialog is presented
IL273522B2 (en) 2017-09-28 2025-09-01 Magic Leap Inc Methods and devices for reducing stray light emission from an eyepiece of an optical imaging system
WO2019140269A1 (en) * 2018-01-14 2019-07-18 Light Field Lab, Inc. Systems and methods for transverse energy localization in energy relays using ordered structures
KR20220085620A (ko) 2020-12-15 2022-06-22 삼성전자주식회사 도파관형 디스플레이 장치
US20220291437A1 (en) * 2021-03-10 2022-09-15 Facebook Technologies, Llc Light redirection feature in waveguide display
EP4302150A1 (en) * 2021-03-10 2024-01-10 Meta Platforms Technologies, Llc Light redirection feature in waveguide display
CN115903222A (zh) * 2021-08-05 2023-04-04 苏州苏大维格科技集团股份有限公司 增强现实抬头显示装置、车辆及光波导的制备方法
JP7309251B1 (ja) 2021-08-18 2023-07-18 ナルックス株式会社 導光装置
US12461370B2 (en) 2021-09-10 2025-11-04 Meta Platforms Technologies, Llc Lightguide with radial pupil replication and visual display based thereon
WO2023039124A1 (en) * 2021-09-10 2023-03-16 Meta Platforms Technologies, Llc Lightguide with radial pupil replication and visual display based thereon
CN115291412B (zh) * 2022-09-30 2023-01-24 南方科技大学 基于ar几何光波导的三维显示装置和三维显示方法
WO2024166350A1 (ja) * 2023-02-10 2024-08-15 ナルックス株式会社 導光装置及びその製造方法
US12493191B2 (en) * 2023-03-24 2025-12-09 Meta Platform Technologies, LLC Multi-directional waveguide eye tracking system
TW202526385A (zh) * 2023-09-06 2025-07-01 美商應用材料股份有限公司 製造複數個光學裝置的方法及光學裝置
WO2025212629A1 (en) * 2024-04-01 2025-10-09 Applied Materials, Inc. High-contrast waveguides with engineered surfaces

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US8189263B1 (en) * 2011-04-01 2012-05-29 Google Inc. Image waveguide with mirror arrays
US20140168260A1 (en) * 2012-12-13 2014-06-19 Paul M. O'Brien Waveguide spacers within an ned device
US20150309263A2 (en) * 2012-06-11 2015-10-29 Magic Leap, Inc. Planar waveguide apparatus with diffraction element(s) and system employing same
WO2017131983A1 (en) * 2016-01-27 2017-08-03 Microsoft Technology Licensing, Llc Mixed environment display device and waveguide cross-coupling suppressors
US20170255016A1 (en) * 2016-03-01 2017-09-07 Magic Leap, Inc. Reflective switching device for inputting different wavelengths of light into waveguides

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US8696113B2 (en) 2005-10-07 2014-04-15 Percept Technologies Inc. Enhanced optical and perceptual digital eyewear
US11428937B2 (en) 2005-10-07 2022-08-30 Percept Technologies Enhanced optical and perceptual digital eyewear
US9658473B2 (en) 2005-10-07 2017-05-23 Percept Technologies Inc Enhanced optical and perceptual digital eyewear
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US20070188869A1 (en) * 2006-02-10 2007-08-16 Matsushita Electric Industrial Co., Ltd. Oblique parallelogram pattern diffractive optical element
CN101945612B (zh) * 2008-02-14 2013-09-25 诺基亚公司 用于确定注视方向的设备和方法
KR101907045B1 (ko) * 2011-12-14 2018-10-12 엘지디스플레이 주식회사 액정 표시 장치
US8917453B2 (en) 2011-12-23 2014-12-23 Microsoft Corporation Reflective array waveguide
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JP6464708B2 (ja) 2014-12-08 2019-02-06 セイコーエプソン株式会社 画像表示装置
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IL273522B2 (en) 2017-09-28 2025-09-01 Magic Leap Inc Methods and devices for reducing stray light emission from an eyepiece of an optical imaging system

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US20100277803A1 (en) * 2006-12-14 2010-11-04 Nokia Corporation Display Device Having Two Operating Modes
US8189263B1 (en) * 2011-04-01 2012-05-29 Google Inc. Image waveguide with mirror arrays
US20150309263A2 (en) * 2012-06-11 2015-10-29 Magic Leap, Inc. Planar waveguide apparatus with diffraction element(s) and system employing same
US20140168260A1 (en) * 2012-12-13 2014-06-19 Paul M. O'Brien Waveguide spacers within an ned device
WO2017131983A1 (en) * 2016-01-27 2017-08-03 Microsoft Technology Licensing, Llc Mixed environment display device and waveguide cross-coupling suppressors
US20170255016A1 (en) * 2016-03-01 2017-09-07 Magic Leap, Inc. Reflective switching device for inputting different wavelengths of light into waveguides

Also Published As

Publication number Publication date
KR102648253B1 (ko) 2024-03-14
KR20220119773A (ko) 2022-08-30
IL273522A (en) 2020-05-31
AU2018339658B2 (en) 2022-03-31
JP2022093475A (ja) 2022-06-23
JP7064581B2 (ja) 2022-05-10
US20210364806A1 (en) 2021-11-25
CN111133248A (zh) 2020-05-08
US20240302663A1 (en) 2024-09-12
JP7296505B2 (ja) 2023-06-22
KR20200061369A (ko) 2020-06-02
EP4273601A3 (en) 2024-01-10
JP2020536269A (ja) 2020-12-10
CN111133248B (zh) 2022-06-10
EP3688371A1 (en) 2020-08-05
JP2022063881A (ja) 2022-04-22
CA3075926A1 (en) 2019-04-04
US12025802B2 (en) 2024-07-02
EP3688371A4 (en) 2020-11-25
EP3688371B1 (en) 2023-08-30
EP4273601A2 (en) 2023-11-08
KR102437645B1 (ko) 2022-08-26
CN115061278A (zh) 2022-09-16
IL273522B1 (en) 2025-05-01
US11086128B2 (en) 2021-08-10
WO2019067751A1 (en) 2019-04-04
AU2018339658A1 (en) 2020-04-02
US20190094551A1 (en) 2019-03-28

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