CA3154682C - Lightguide optical element for polarization scrambling - Google Patents

Lightguide optical element for polarization scrambling Download PDF

Info

Publication number
CA3154682C
CA3154682C CA3154682A CA3154682A CA3154682C CA 3154682 C CA3154682 C CA 3154682C CA 3154682 A CA3154682 A CA 3154682A CA 3154682 A CA3154682 A CA 3154682A CA 3154682 C CA3154682 C CA 3154682C
Authority
CA
Canada
Prior art keywords
coating
loe
light
substrate
refractive index
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
CA3154682A
Other languages
English (en)
French (fr)
Other versions
CA3154682A1 (en
Inventor
Motke GILO
Tsion EISENFELD
Yochay Danziger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lumus Ltd
Original Assignee
Lumus Ltd
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 Lumus Ltd filed Critical Lumus Ltd
Publication of CA3154682A1 publication Critical patent/CA3154682A1/en
Application granted granted Critical
Publication of CA3154682C publication Critical patent/CA3154682C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/105—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type having optical polarisation effects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings
    • G02B1/113—Anti-reflection coatings using inorganic layer materials only
    • G02B1/115—Multilayers
    • 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
    • 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
    • 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
    • G02B6/27—Optical coupling means with polarisation selective and adjusting means
    • G02B6/2726—Optical coupling means with polarisation selective and adjusting means in or on light guides, e.g. polarisation means assembled in a light guide
    • G02B6/2733—Light guides evanescently coupled to polarisation sensitive 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
    • G02B6/27—Optical coupling means with polarisation selective and adjusting means
    • G02B6/2753—Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
    • G02B6/2766—Manipulating the plane of polarisation from one input polarisation to another output polarisation, e.g. polarisation rotators, linear to circular polarisation converters
    • 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 
    • G02F1/0136—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  for the control of polarisation, e.g. state of polarisation [SOP] control, polarisation scrambling, TE-TM mode conversion or separation
    • 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 
    • G02F1/0136—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  for the control of polarisation, e.g. state of polarisation [SOP] control, polarisation scrambling, TE-TM mode conversion or separation
    • G02F1/0139—Polarisation scrambling devices; Depolarisers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Polarising Elements (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Surface Treatment Of Glass (AREA)
CA3154682A 2019-11-27 2020-11-10 Lightguide optical element for polarization scrambling Active CA3154682C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL270991 2019-11-27
IL270991A IL270991B (en) 2019-11-27 2019-11-27 A light guide with an optical element to perform polarization mixing
PCT/IL2020/051166 WO2021105978A1 (en) 2019-11-27 2020-11-10 Lightguide optical element for polarization scrambling

Publications (2)

Publication Number Publication Date
CA3154682A1 CA3154682A1 (en) 2021-06-03
CA3154682C true CA3154682C (en) 2023-05-02

Family

ID=72848747

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3154682A Active CA3154682C (en) 2019-11-27 2020-11-10 Lightguide optical element for polarization scrambling

Country Status (10)

Country Link
US (1) US11573371B2 (https=)
EP (1) EP4066047B1 (https=)
JP (1) JP7511274B2 (https=)
KR (1) KR102772647B1 (https=)
CN (1) CN114467050B (https=)
BR (1) BR112022009871A2 (https=)
CA (1) CA3154682C (https=)
IL (1) IL270991B (https=)
TW (1) TWI836161B (https=)
WO (1) WO2021105978A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL237337B (en) 2015-02-19 2020-03-31 Amitai Yaakov A compact head-up display system with a uniform image
IL309806B2 (en) 2018-09-09 2025-11-01 Lumus Ltd Optical systems including light-guide optical elements with two-dimensional expansion
CN112969955B (zh) 2018-11-08 2023-05-26 鲁姆斯有限公司 具有二向色分束器颜色组合器的光学装置和系统
TWM642752U (zh) 2018-11-08 2023-06-21 以色列商魯姆斯有限公司 用於將圖像顯示到觀察者的眼睛中的顯示器
WO2020174433A1 (en) 2019-02-28 2020-09-03 Lumus Ltd. Compact collimated image projector
WO2020183229A1 (en) 2019-03-12 2020-09-17 Lumus Ltd. Image projector
KR102622406B1 (ko) 2019-11-25 2024-01-05 루머스 리미티드 도파관의 표면을 폴리싱하는 방법
IL270991B (en) 2019-11-27 2020-07-30 Lumus Ltd A light guide with an optical element to perform polarization mixing
KR102939032B1 (ko) 2019-12-05 2026-03-16 루머스 리미티드 상보 코팅된 부분적 반사체를 채용하는 도광 광학 소자, 및 광산란을 감소시킨 도광 광학 소자
KR20230004553A (ko) 2020-04-30 2023-01-06 루머스 리미티드 광학 샘플 특성화
DE212021000276U1 (de) 2020-05-12 2022-11-03 Lumus Ltd. Drehbarer Lichtleiter
IL313859B2 (en) 2021-03-01 2025-11-01 Lumus Ltd Optical system with compact coupling from a projector into a waveguide

Family Cites Families (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH563945A5 (https=) * 1971-10-20 1975-07-15 Balzers Patent Beteilig Ag
US5270748A (en) 1992-01-30 1993-12-14 Mak Technologies, Inc. High-speed eye tracking device and method
JP3219943B2 (ja) 1994-09-16 2001-10-15 株式会社東芝 平面直視型表示装置
JPH08313843A (ja) 1995-05-16 1996-11-29 Agency Of Ind Science & Technol 視線追従方式による広視野高解像度映像提示装置
US6404550B1 (en) 1996-07-25 2002-06-11 Seiko Epson Corporation Optical element suitable for projection display apparatus
GB2329901A (en) 1997-09-30 1999-04-07 Reckitt & Colman Inc Acidic hard surface cleaning and disinfecting compositions
US6154321A (en) 1998-01-20 2000-11-28 University Of Washington Virtual retinal display with eye tracking
US6231992B1 (en) 1998-09-04 2001-05-15 Yazaki Corporation Partial reflector
US20050024849A1 (en) 1999-02-23 2005-02-03 Parker Jeffery R. Methods of cutting or forming cavities in a substrate for use in making optical films, components or wave guides
US6671100B1 (en) 1999-10-14 2003-12-30 Stratos Product Development Llc Virtual imaging system
WO2001087634A2 (en) * 2000-05-16 2001-11-22 E.I. Du Pont De Nemours And Company Aqueous dispersions for color imaging
US6829095B2 (en) 2000-06-05 2004-12-07 Lumus, Ltd. Substrate-guided optical beam expander
IL136849A (en) 2000-06-18 2004-09-27 Beamus Ltd Optical dynamic devices particularly for beam steering and optical communication
IL138895A (en) 2000-10-05 2005-08-31 Elop Electrooptics Ind Ltd Optical switching devices
US6542307B2 (en) 2000-10-20 2003-04-01 Three-Five Systems, Inc. Compact near-eye illumination system
EP1432948B1 (en) * 2001-09-26 2009-11-11 Koninklijke Philips Electronics N.V. Micro-structured illumination system for providing polarized light
IL148804A (en) 2002-03-21 2007-02-11 Yaacov Amitai Optical device
EP1465047A1 (en) 2003-04-03 2004-10-06 Deutsche Thomson-Brandt Gmbh Method for presenting menu buttons
IL157836A (en) 2003-09-10 2009-08-03 Yaakov Amitai Optical devices particularly for remote viewing applications
IL157837A (en) * 2003-09-10 2012-12-31 Yaakov Amitai Substrate-guided optical device particularly for three-dimensional displays
IL157838A (en) 2003-09-10 2013-05-30 Yaakov Amitai High-brightness optical device
IL162573A (en) 2004-06-17 2013-05-30 Lumus Ltd Optical component in a large key conductive substrate
IL163361A (en) 2004-08-05 2011-06-30 Lumus Ltd Optical device for light coupling into a guiding substrate
US7778508B2 (en) * 2004-12-06 2010-08-17 Nikon Corporation Image display optical system, image display unit, illuminating optical system, and liquid crystal display unit
US7724443B2 (en) 2005-02-10 2010-05-25 Lumus Ltd. Substrate-guided optical device utilizing thin transparent layer
EP1846796A1 (en) 2005-02-10 2007-10-24 Lumus Ltd Substrate-guided optical device particularly for vision enhanced optical systems
US10073264B2 (en) 2007-08-03 2018-09-11 Lumus Ltd. Substrate-guide optical device
IL166799A (en) 2005-02-10 2014-09-30 Lumus Ltd Aluminum shale surfaces for use in a conductive substrate
WO2006087709A1 (en) 2005-02-17 2006-08-24 Lumus Ltd. Personal navigation system
US8187481B1 (en) 2005-05-05 2012-05-29 Coho Holdings, Llc Random texture anti-reflection optical surface treatment
US20070155277A1 (en) 2005-07-25 2007-07-05 Avi Amitai Mobile/portable and personal pre-recorded sound effects electronic amplifier device/gadget
US10261321B2 (en) 2005-11-08 2019-04-16 Lumus Ltd. Polarizing optical system
IL171820A (en) * 2005-11-08 2014-04-30 Lumus Ltd A polarizing optical component for light coupling within a conductive substrate
US20070171328A1 (en) * 2005-11-21 2007-07-26 Freeman Mark O Substrate-guided display
WO2007085682A1 (en) 2006-01-26 2007-08-02 Nokia Corporation Eye tracker device
IL173715A0 (en) 2006-02-14 2007-03-08 Lumus Ltd Substrate-guided imaging lens
IL174170A (en) 2006-03-08 2015-02-26 Abraham Aharoni Device and method for two-eyed tuning
IL177618A (en) 2006-08-22 2015-02-26 Lumus Ltd Optical component in conductive substrate
US20080151375A1 (en) 2006-12-26 2008-06-26 Ching-Bin Lin Light guide means as dually effected by light concentrating and light diffusing
WO2008129539A2 (en) 2007-04-22 2008-10-30 Lumus Ltd. A collimating optical device and system
IL183637A (en) 2007-06-04 2013-06-27 Zvi Lapidot Head display system
JP2009128565A (ja) 2007-11-22 2009-06-11 Toshiba Corp 表示装置、表示方法及びヘッドアップディスプレイ
TW201115231A (en) 2009-10-28 2011-05-01 Coretronic Corp Backlight module
US20120249797A1 (en) 2010-02-28 2012-10-04 Osterhout Group, Inc. Head-worn adaptive display
KR101210163B1 (ko) * 2011-04-05 2012-12-07 엘지이노텍 주식회사 광학 시트 및 이를 포함하는 표시장치
JP5879973B2 (ja) 2011-11-30 2016-03-08 ソニー株式会社 光反射部材、光ビーム伸長装置、画像表示装置及び光学装置
US9297996B2 (en) 2012-02-15 2016-03-29 Microsoft Technology Licensing, Llc Laser illumination scanning
US8665178B1 (en) 2012-03-01 2014-03-04 Google, Inc. Partially-reflective waveguide stack and heads-up display using same
US9274338B2 (en) * 2012-03-21 2016-03-01 Microsoft Technology Licensing, Llc Increasing field of view of reflective waveguide
US9456744B2 (en) 2012-05-11 2016-10-04 Digilens, Inc. Apparatus for eye tracking
IL219907A (en) 2012-05-21 2017-08-31 Lumus Ltd Integrated head display system with eye tracking
EP3281609B1 (en) 2012-05-29 2019-02-27 NLT Spine Ltd. Expanding implant
US8909985B2 (en) 2012-07-12 2014-12-09 International Business Machines Corporation Multiple hyperswap replication sessions
WO2015002800A1 (en) 2013-07-02 2015-01-08 3M Innovative Properties Company Flat light guide
JPWO2015012280A1 (ja) 2013-07-24 2017-03-02 コニカミノルタ株式会社 視線検出装置
IL232197B (en) 2014-04-23 2018-04-30 Lumus Ltd Compact head-up display system
IL235642B (en) * 2014-11-11 2021-08-31 Lumus Ltd A compact head-up display system is protected by an element with a super-thin structure
IL236490B (en) 2014-12-25 2021-10-31 Lumus Ltd Substrate-guided optical device
IL236491B (en) 2014-12-25 2020-11-30 Lumus Ltd A method for manufacturing an optical component in a conductive substrate
IL237337B (en) * 2015-02-19 2020-03-31 Amitai Yaakov A compact head-up display system with a uniform image
WO2017176861A1 (en) * 2016-04-07 2017-10-12 Magic Leap, Inc. Systems and methods for augmented reality
EP3458898B1 (en) 2016-05-18 2023-02-15 Lumus Ltd. Head-mounted imaging device
US20170353714A1 (en) 2016-06-06 2017-12-07 Navid Poulad Self-calibrating display system
JP7187022B2 (ja) 2016-10-09 2022-12-12 ルムス エルティーディー． 長方形導波路を使用する開口乗算器
CN113031165B (zh) 2016-11-08 2023-06-02 鲁姆斯有限公司 导光装置、其光学组件及其对应的生产方法
WO2018100582A1 (en) 2016-12-02 2018-06-07 Lumus Ltd. Optical system with compact collimating image projector
CN115145023B (zh) 2016-12-31 2024-02-09 鲁姆斯有限公司 用于导出人眼睛的注视方向的设备
US20190377187A1 (en) 2017-01-04 2019-12-12 Lumus Ltd. Optical system for near-eye displays
JP6980209B2 (ja) 2017-02-22 2021-12-15 ルムス エルティーディー． 光ガイド光学アセンブリ
IL269317B2 (en) 2017-03-21 2023-11-01 Magic Leap Inc An eye imaging device that uses optical refractive elements
CN117572644A (zh) 2017-03-22 2024-02-20 鲁姆斯有限公司 用于生产光导光学元件的方法和光学系统
IL251645B (en) * 2017-04-06 2018-08-30 Lumus Ltd Waveguide and method of production
JP7174929B2 (ja) 2017-07-19 2022-11-18 ルムス エルティーディー． Ｌｏｅを介するｌｃｏｓ照明
JP7303557B2 (ja) 2017-09-29 2023-07-05 ルムス エルティーディー． 拡張現実ディスプレイ
CN111133362B (zh) 2017-10-22 2021-12-28 鲁姆斯有限公司 采用光具座的头戴式增强现实设备
CA3082067C (en) 2017-11-21 2023-08-01 Lumus Ltd. Optical aperture expansion arrangement for near-eye displays
WO2019106636A1 (en) 2017-12-03 2019-06-06 Lumus Ltd. Optical device testing method and apparatus
US20190170327A1 (en) 2017-12-03 2019-06-06 Lumus Ltd. Optical illuminator device
MY206143A (en) 2017-12-03 2024-11-30 Lumus Ltd Optical device alignment methods
JP7282090B2 (ja) * 2017-12-10 2023-05-26 マジック リープ， インコーポレイテッド 光学導波管上の反射防止性コーティング
EP4439172A3 (en) 2017-12-10 2024-10-23 Lumus Ltd. Image projector
IL275615B (en) 2018-01-02 2022-08-01 Lumus Ltd Augmented reality representatives with active alignment and matching methods
US10551544B2 (en) 2018-01-21 2020-02-04 Lumus Ltd. Light-guide optical element with multiple-axis internal aperture expansion
WO2019197959A1 (en) 2018-04-08 2019-10-17 Lumus Ltd. Optical sample characterization
WO2019220330A1 (en) 2018-05-14 2019-11-21 Lumus Ltd. Projector configuration with subdivided optical aperture for near-eye displays, and corresponding optical systems
US11442273B2 (en) 2018-05-17 2022-09-13 Lumus Ltd. Near-eye display having overlapping projector assemblies
IL259518B2 (en) 2018-05-22 2023-04-01 Lumus Ltd Optical system and method for improving light field uniformity
WO2019224764A1 (en) 2018-05-23 2019-11-28 Lumus Ltd. Optical system including light-guide optical element with partially-reflective internal surfaces
TWM587757U (zh) 2018-05-27 2019-12-11 以色列商魯姆斯有限公司 具有場曲率影響減輕的基於基板引導的光學系統
CN119595595A (zh) 2018-06-21 2025-03-11 鲁姆斯有限公司 光导光学元件（loe）的板之间折射率不均匀性的测量技术
US11415812B2 (en) 2018-06-26 2022-08-16 Lumus Ltd. Compact collimating optical device and system
TWI830753B (zh) 2018-07-16 2024-02-01 以色列商魯姆斯有限公司 光導光學元件和用於向觀察者的眼睛提供圖像的顯示器
IL280934B2 (en) 2018-08-26 2023-10-01 Lumus Ltd Suppression of reflection in displays close to the eyes
TWI827663B (zh) 2018-09-06 2024-01-01 以色列商魯姆斯有限公司 具有雷射二極體照明的近眼顯示器
IL309806B2 (en) 2018-09-09 2025-11-01 Lumus Ltd Optical systems including light-guide optical elements with two-dimensional expansion
CN112969955B (zh) 2018-11-08 2023-05-26 鲁姆斯有限公司 具有二向色分束器颜色组合器的光学装置和系统
TWM642752U (zh) 2018-11-08 2023-06-21 以色列商魯姆斯有限公司 用於將圖像顯示到觀察者的眼睛中的顯示器
DE202019106214U1 (de) 2018-11-11 2020-04-15 Lumus Ltd. Augennahe Anzeige mit Zwischenfenster
JP7489115B2 (ja) 2019-01-15 2024-05-23 ルムス エルティーディー． 対称導光光学素子を製造する方法
CA3123518C (en) 2019-01-24 2023-07-04 Lumus Ltd. Optical systems including loe with three stage expansion
WO2020183229A1 (en) 2019-03-12 2020-09-17 Lumus Ltd. Image projector
KR20250142979A (ko) 2019-05-06 2025-09-30 루머스 리미티드 장면 및 근안 디스플레이를 관찰시키기 위한 투명 광 가이드
CN114207354B (zh) 2019-09-16 2024-06-21 鲁姆斯有限公司 具有光束倍增的图像显示系统
IL270991B (en) 2019-11-27 2020-07-30 Lumus Ltd A light guide with an optical element to perform polarization mixing
KR20220118470A (ko) 2019-12-30 2022-08-25 루머스 리미티드 2차원 확장 도광 광학 요소를 포함하는 광학 시스템

Also Published As

Publication number Publication date
IL270991B (en) 2020-07-30
JP2023503556A (ja) 2023-01-31
EP4066047A1 (en) 2022-10-05
TWI836161B (zh) 2024-03-21
CN114467050B (zh) 2025-03-14
CN114467050A (zh) 2022-05-10
TW202136853A (zh) 2021-10-01
KR102772647B1 (ko) 2025-02-24
BR112022009871A2 (pt) 2022-08-09
WO2021105978A1 (en) 2021-06-03
EP4066047B1 (en) 2025-01-08
KR20220050950A (ko) 2022-04-25
US20220019018A1 (en) 2022-01-20
EP4066047A4 (en) 2023-01-04
JP7511274B2 (ja) 2024-07-05
US11573371B2 (en) 2023-02-07
CA3154682A1 (en) 2021-06-03

Similar Documents

Publication Publication Date Title
CA3154682C (en) Lightguide optical element for polarization scrambling
JP6690030B2 (ja) 小型ヘッドマウント式表示システム
CN108431640B (zh) 具有抗反射和高反射涂层的基于波导的显示器
US20220004001A1 (en) Light-Guide Display with Reflector
US12601919B2 (en) Compact display system having uniform image
CA2628871C (en) Polarizing optical system
HK1204079A1 (en) Substrate-guided optical device
CN107861243B (zh) 光学元件和显示装置
KR20070023622A (ko) 기판 유도형 광학 장치
IL276466B1 (en) A compact head-up display system with a small entry key and a large exit key
US20240248312A1 (en) Imaging light guide apparatus with light security
CN114326123A (zh) 一种近眼显示装置
RU2814092C2 (ru) Оптическое устройство, в частности, для системы высокоэффективного компактного нашлемного дисплея с малой входной апертурой
CN121704062A (zh) 虚像显示装置及光学单元
WO2023043961A1 (en) Imaging light guide apparatus with light security
HK1232960A1 (en) Compact head-mounted display system

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20220315

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 4TH ANNIV.) - STANDARD

Year of fee payment: 4

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241106

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20241106

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20241106

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 5TH ANNIV.) - STANDARD

Year of fee payment: 5

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251014

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251014