JP7420926B2 - 低減された偏光感度を有する回折格子を伴うディスプレイデバイス - Google Patents

低減された偏光感度を有する回折格子を伴うディスプレイデバイス Download PDF

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Publication number
JP7420926B2
JP7420926B2 JP2022515698A JP2022515698A JP7420926B2 JP 7420926 B2 JP7420926 B2 JP 7420926B2 JP 2022515698 A JP2022515698 A JP 2022515698A JP 2022515698 A JP2022515698 A JP 2022515698A JP 7420926 B2 JP7420926 B2 JP 7420926B2
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light
grating
head
display system
mounted display
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Japanese (ja)
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JP2022547219A5 (https=
JP2022547219A (ja
Inventor
ビクラムジト シン，
カン ルオ，
シャオペイ デン，
シューチャン ヤン，
フランク ワイ． シュー，
ケビン メッサー，
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Magic Leap Inc
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Magic Leap Inc
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Priority to JP2024188982A priority patent/JP7840381B2/ja
Priority to JP2026000943A priority patent/JP2026065044A/ja
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1842—Gratings for image generation
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4272—Diffraction 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
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter 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
    • G02B2027/0127—Head-up displays characterised by optical features comprising devices increasing the depth of field
    • 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
    • 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
    • G02B27/0179—Display position adjusting means not related to the information to be displayed
    • G02B2027/0185—Displaying image at variable distance
    • 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
    • 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
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Eyeglasses (AREA)
JP2022515698A 2019-09-11 2020-09-11 低減された偏光感度を有する回折格子を伴うディスプレイデバイス Active JP7420926B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023142738A JP7692960B2 (ja) 2019-09-11 2023-09-04 低減された偏光感度を有する回折格子を伴うディスプレイデバイス
JP2024188982A JP7840381B2 (ja) 2019-09-11 2024-10-28 低減された偏光感度を有する回折格子を伴うディスプレイデバイス
JP2026000943A JP2026065044A (ja) 2019-09-11 2026-01-06 低減された偏光感度を有する回折格子を伴うディスプレイデバイス

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962899063P 2019-09-11 2019-09-11
US62/899,063 2019-09-11
US201962899673P 2019-09-12 2019-09-12
US62/899,673 2019-09-12
US201962902295P 2019-09-18 2019-09-18
US62/902,295 2019-09-18
PCT/US2020/050467 WO2021050924A1 (en) 2019-09-11 2020-09-11 Display device with diffraction grating having reduced polarization sensitivity

Related Child Applications (1)

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JP2023142738A Division JP7692960B2 (ja) 2019-09-11 2023-09-04 低減された偏光感度を有する回折格子を伴うディスプレイデバイス

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JP2022547219A JP2022547219A (ja) 2022-11-10
JP2022547219A5 JP2022547219A5 (https=) 2023-09-12
JP7420926B2 true JP7420926B2 (ja) 2024-01-23

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JP2022515698A Active JP7420926B2 (ja) 2019-09-11 2020-09-11 低減された偏光感度を有する回折格子を伴うディスプレイデバイス
JP2023142738A Active JP7692960B2 (ja) 2019-09-11 2023-09-04 低減された偏光感度を有する回折格子を伴うディスプレイデバイス
JP2024188982A Active JP7840381B2 (ja) 2019-09-11 2024-10-28 低減された偏光感度を有する回折格子を伴うディスプレイデバイス
JP2026000943A Pending JP2026065044A (ja) 2019-09-11 2026-01-06 低減された偏光感度を有する回折格子を伴うディスプレイデバイス

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JP2023142738A Active JP7692960B2 (ja) 2019-09-11 2023-09-04 低減された偏光感度を有する回折格子を伴うディスプレイデバイス
JP2024188982A Active JP7840381B2 (ja) 2019-09-11 2024-10-28 低減された偏光感度を有する回折格子を伴うディスプレイデバイス
JP2026000943A Pending JP2026065044A (ja) 2019-09-11 2026-01-06 低減された偏光感度を有する回折格子を伴うディスプレイデバイス

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US (3) US11614573B2 (https=)
EP (1) EP4028354A4 (https=)
JP (4) JP7420926B2 (https=)
CN (1) CN114616210A (https=)
WO (1) WO2021050924A1 (https=)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12013538B2 (en) 2017-07-03 2024-06-18 Holovisions LLC Augmented reality (AR) eyewear with a section of a fresnel reflector comprising individually-adjustable transmissive-reflective optical elements
US12601923B2 (en) 2017-07-03 2026-04-14 Holovisions LLC Augmented reality (AR) eyewear with an environment-only viewing mode and an augmented reality viewing mode
US12436394B2 (en) 2017-07-03 2025-10-07 Holovisions Augmented reality (or mixed reality) eyewear with see-through optical elements having individually-adjustable opacity/reflectivity levels
US12205231B2 (en) 2017-07-03 2025-01-21 Holovisions Holovisions™—adjustable and/or modular augmented reality (AR) eyewear with a movable transflective mirror and different viewing modes
US11500206B2 (en) * 2018-04-02 2022-11-15 Magic Leap, Inc. Waveguides with integrated optical elements and methods of making the same
WO2021016045A1 (en) 2019-07-19 2021-01-28 Magic Leap, Inc. Display device having diffraction gratings with reduced polarization sensitivity
JP7420926B2 (ja) 2019-09-11 2024-01-23 マジック リープ， インコーポレイテッド 低減された偏光感度を有する回折格子を伴うディスプレイデバイス
US11940627B2 (en) 2021-07-09 2024-03-26 Realwear, Inc. Opaque waveguide optical engine assembly for head-mounted device
US11852822B2 (en) * 2021-07-09 2023-12-26 Realwear, Inc. Convertible waveguide optical engine assembly for head-mounted device
US12442961B1 (en) 2021-07-23 2025-10-14 Apple Inc. Methods of forming holographic gratings for optical systems
US20230120539A1 (en) * 2021-10-15 2023-04-20 Applied Materials, Inc. Metallized high-index blaze grating incoupler
US11662525B1 (en) * 2021-12-09 2023-05-30 Visera Technologies Company Ltd. Optical system
EP4231082A1 (en) * 2022-02-22 2023-08-23 BAE SYSTEMS plc Improvements in or relating to waveguide display systems
US20250180903A1 (en) * 2022-02-22 2025-06-05 Bae Systems Plc Waveguide display systems
CN116068768B (zh) * 2022-03-15 2026-03-03 嘉兴驭光光电科技有限公司 衍射光波导以及具有其的显示设备
EP4505226A1 (en) * 2022-04-08 2025-02-12 Nil Technology ApS Slanted optical gratings
US20230359031A1 (en) * 2022-05-09 2023-11-09 Visera Technologies Company Limited Waveguide structure and display device using the same
US20250306376A1 (en) * 2022-05-13 2025-10-02 Magic Leap, Inc. Input/output coupling grating and display including the same
EP4519724A4 (en) 2022-06-03 2025-06-11 Magic Leap, Inc. Diffractive structures for asymmetric light extraction and augmented reality devices including the same
CN115185029B (zh) * 2022-09-07 2023-02-17 北京驭光科技发展有限公司 光栅结构、衍射光波导以及显示设备
CN120077316A (zh) * 2022-10-21 2025-05-30 奇跃公司 用于增强现实设备的混合表面浮雕波导结构的方法和系统
WO2024102766A1 (en) * 2022-11-07 2024-05-16 Magic Leap, Inc. Polarization insensitive diffraction grating and display including the same
US20240168214A1 (en) * 2022-11-22 2024-05-23 Sony Group Corporation Input coupling gratings for waveguide-based displays
US12523879B2 (en) 2022-12-16 2026-01-13 Magic Leap, Inc. Crystalline waveguides and wearable devices containing the same
WO2024152051A1 (en) * 2023-01-13 2024-07-18 Digilens Inc. High slant angle gratings for eye glow suppression in waveguide based displays
WO2024211863A1 (en) * 2023-04-07 2024-10-10 Vuzix Corporation Image light guide with metalized diffractive elements
CN121399511A (zh) * 2023-06-27 2026-01-23 应用材料公司 用于制造光学装置结构的方法
CN119882115A (zh) * 2023-10-24 2025-04-25 江苏鲁汶仪器股份有限公司 半导体结构及其形成方法
WO2025105067A1 (ja) * 2023-11-17 2025-05-22 ナルックス株式会社 格子及び格子の製造方法
FI20236397A1 (en) * 2023-12-19 2025-06-20 Dispelix Oy Display construction and display device
FI20245457A1 (en) * 2024-04-12 2025-10-13 Dispelix Oy Diffraction grating
WO2025221430A1 (en) * 2024-04-15 2025-10-23 Applied Materials, Inc. High efficiency nonsymmetric waveguide with low transmission color shift
WO2025221665A1 (en) * 2024-04-15 2025-10-23 Applied Materials, Inc. Methods for forming staircase and blazed grating structures using nanoimprint lithography
FI20245467A1 (en) * 2024-04-15 2025-10-16 Dispelix Oy Diffraction grating
WO2025226944A1 (en) * 2024-04-24 2025-10-30 Magic Leap, Inc. Surface relief grating waveguides with high, matched refractive indices
WO2025240108A1 (en) * 2024-05-14 2025-11-20 Applied Materials, Inc. Methods to create asymmetric structures with varying height
WO2026039729A1 (en) * 2024-08-15 2026-02-19 Applied Materials, Inc. Large field-of-view fold-grating diffractive waveguide
CN118938381A (zh) * 2024-10-15 2024-11-12 歌尔光学科技有限公司 一种衍射光学结构及近眼显示设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002098820A (ja) 2000-09-21 2002-04-05 Nippon Sheet Glass Co Ltd 反射型回折格子
JP2004510172A (ja) 2000-04-07 2004-04-02 ゾロ　テクノロジーズ、インコーポレイテッド 光ファイバ通信装置で使用する回折格子で偏光感度を低減する装置および方法
JP2005121938A (ja) 2003-10-17 2005-05-12 Nippon Sheet Glass Co Ltd 偏光制御膜付き回折格子およびそれを用いた回折光学装置
US20120120493A1 (en) 2009-04-20 2012-05-17 Bae Systems Plc Optical waveguides
US20130100362A1 (en) 2011-10-24 2013-04-25 Google Inc. Near-to-eye display with diffraction grating that bends and focuses light
WO2017094493A1 (ja) 2015-12-03 2017-06-08 シャープ株式会社 導光板、ライトガイドおよび虚像表示装置
CN110133780A (zh) 2019-05-23 2019-08-16 天津大学 一种偏振不敏感的高效率波导显示光栅耦合器

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4846552A (en) * 1986-04-16 1989-07-11 The United States Of America As Represented By The Secretary Of The Air Force Method of fabricating high efficiency binary planar optical elements
US6222525B1 (en) 1992-03-05 2001-04-24 Brad A. Armstrong Image controllers with sheet connected sensors
JPH0815508A (ja) * 1994-07-04 1996-01-19 Fuji Photo Film Co Ltd 回折格子の製造方法
US5670988A (en) 1995-09-05 1997-09-23 Interlink Electronics, Inc. Trigger operated electronic device
US6020142A (en) * 1996-10-04 2000-02-01 Millennium Pharmaceuticals, Inc. Rath genes and polypeptides and methods for the treatment and diagnosis of immune disorders
US6324004B1 (en) * 1999-01-21 2001-11-27 Ovd Kingegram Ag Planar patterns with superimposed diffraction gratings
JP4727034B2 (ja) * 2000-11-28 2011-07-20 オリンパス株式会社 観察光学系および撮像光学系
JP2003315518A (ja) 2002-04-19 2003-11-06 Nippon Sheet Glass Co Ltd 回折光学素子
US20070081123A1 (en) 2005-10-07 2007-04-12 Lewis Scott W Digital eyewear
US11428937B2 (en) 2005-10-07 2022-08-30 Percept Technologies Enhanced optical and perceptual digital eyewear
US8696113B2 (en) 2005-10-07 2014-04-15 Percept Technologies Inc. Enhanced optical and perceptual digital eyewear
FR2942549B1 (fr) * 2009-02-25 2011-09-02 Horiba Jobin Yvon Sas Reseau de diffraction polarisant, coupleur a reseau de diffraction polarisant et systeme planaire d'imagerie ou de transport de faisceau optique a coupleurs diffractifs polarisants
EP2422228B1 (en) 2009-04-20 2023-01-25 BAE Systems PLC Improvements in optical waveguides
JP2011085769A (ja) * 2009-10-15 2011-04-28 Canon Inc 撮像表示装置
US9304319B2 (en) 2010-11-18 2016-04-05 Microsoft Technology Licensing, Llc Automatic focus improvement for augmented reality displays
NZ706893A (en) 2010-12-24 2017-02-24 Magic Leap Inc An ergonomic head mounted display device and optical system
US10156722B2 (en) 2010-12-24 2018-12-18 Magic Leap, Inc. Methods and systems for displaying stereoscopy with a freeform optical system with addressable focus for virtual and augmented reality
CA3035118C (en) 2011-05-06 2022-01-04 Magic Leap, Inc. Massive simultaneous remote digital presence world
EP2760363A4 (en) 2011-09-29 2015-06-24 Magic Leap Inc TACTILE GLOVE FOR HUMAN COMPUTER INTERACTION
RU2017115669A (ru) 2011-10-28 2019-01-28 Мэджик Лип, Инк. Система и способ для дополненной и виртуальной реальности
BR112014024941A2 (pt) 2012-04-05 2017-09-19 Magic Leap Inc dispositivo de imagem de campo de visão amplo com capacidade de focalização ativa
US9671566B2 (en) 2012-06-11 2017-06-06 Magic Leap, Inc. Planar waveguide apparatus with diffraction element(s) and system employing same
US9739950B2 (en) * 2012-07-25 2017-08-22 CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recherche et Développement Method to optimize a light coupling waveguide
JP2015534108A (ja) 2012-09-11 2015-11-26 マジック リープ， インコーポレイテッド 人間工学的な頭部搭載型ディスプレイデバイスおよび光学システム
FI125270B (en) * 2012-09-20 2015-08-14 Teknologian Tutkimuskeskus Vtt Oy Optical device with diffractive grating
CN105229719B (zh) 2013-03-15 2018-04-27 奇跃公司 显示系统和方法
US9874749B2 (en) 2013-11-27 2018-01-23 Magic Leap, Inc. Virtual and augmented reality systems and methods
EP3058418B1 (en) 2013-10-16 2023-10-04 Magic Leap, Inc. Virtual or augmented reality headsets having adjustable interpupillary distance
US9857591B2 (en) 2014-05-30 2018-01-02 Magic Leap, Inc. Methods and system for creating focal planes in virtual and augmented reality
KR102651578B1 (ko) 2013-11-27 2024-03-25 매직 립, 인코포레이티드 가상 및 증강 현실 시스템들 및 방법들
JP6322975B2 (ja) * 2013-11-29 2018-05-16 セイコーエプソン株式会社 光学デバイスおよび電子機器
US10203762B2 (en) 2014-03-11 2019-02-12 Magic Leap, Inc. Methods and systems for creating virtual and augmented reality
JP6287487B2 (ja) * 2014-03-31 2018-03-07 セイコーエプソン株式会社 光学デバイス、画像投影装置及び電子機器
EP3140779A4 (en) 2014-05-09 2017-11-29 Google LLC Systems and methods for using eye signals with secure mobile communications
JP2016188901A (ja) * 2015-03-30 2016-11-04 セイコーエプソン株式会社 表示装置
AU2016245280A1 (en) 2015-04-08 2017-10-19 Dispelix Oy Optical see-through display element and device utilizing such element
US11231544B2 (en) 2015-11-06 2022-01-25 Magic Leap, Inc. Metasurfaces for redirecting light and methods for fabricating
US10359627B2 (en) * 2015-11-10 2019-07-23 Microsoft Technology Licensing, Llc Waveguide coatings or substrates to improve intensity distributions having adjacent planar optical component separate from an input, output, or intermediate coupler
US10197804B2 (en) 2016-04-25 2019-02-05 Microsoft Technology Licensing, Llc Refractive coating for diffractive optical elements
JP6961619B2 (ja) * 2016-05-06 2021-11-05 マジック リープ, インコーポレイテッドMagic Leap, Inc. 光を再指向させるための非対称格子を有するメタ表面および製造方法
US10649143B2 (en) * 2016-06-20 2020-05-12 Akonia Holographics Llc Polarization management
WO2018039273A1 (en) * 2016-08-22 2018-03-01 Magic Leap, Inc. Dithering methods and apparatus for wearable display device
IL307294A (en) * 2017-01-27 2023-11-01 Magic Leap Inc Diffraction gratings produced using a surface cell with differently oriented nanobeams
WO2018194987A1 (en) 2017-04-18 2018-10-25 Magic Leap, Inc. Waveguides having reflective layers formed by reflective flowable materials
CN110720072B (zh) * 2017-06-02 2022-06-24 应用材料公司 用于显示技术的纳米结构平面镜片
CN109239842A (zh) 2017-07-11 2019-01-18 苏州苏大维格光电科技股份有限公司 一种全息波导镜片及其制备方法、及三维显示装置
CN111033118B (zh) 2017-09-12 2021-07-13 株式会社Lg化学 衍射导光板和制造衍射导光板的方法
KR102516923B1 (ko) * 2017-09-20 2023-04-03 삼성디스플레이 주식회사 표시 장치 및 헤드 마운트 표시 장치
EP4286900A3 (en) * 2017-11-06 2024-06-12 Magic Leap, Inc. Method and system for tunable gradient patterning using a shadow mask
US10914954B2 (en) * 2018-08-03 2021-02-09 Facebook Technologies, Llc Rainbow reduction for waveguide displays
US10962791B1 (en) * 2018-03-22 2021-03-30 Facebook Technologies, Llc Apparatuses, systems, and methods for fabricating ultra-thin adjustable lenses
JP7420926B2 (ja) 2019-09-11 2024-01-23 マジック リープ， インコーポレイテッド 低減された偏光感度を有する回折格子を伴うディスプレイデバイス

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004510172A (ja) 2000-04-07 2004-04-02 ゾロ　テクノロジーズ、インコーポレイテッド 光ファイバ通信装置で使用する回折格子で偏光感度を低減する装置および方法
JP2002098820A (ja) 2000-09-21 2002-04-05 Nippon Sheet Glass Co Ltd 反射型回折格子
JP2005121938A (ja) 2003-10-17 2005-05-12 Nippon Sheet Glass Co Ltd 偏光制御膜付き回折格子およびそれを用いた回折光学装置
US20120120493A1 (en) 2009-04-20 2012-05-17 Bae Systems Plc Optical waveguides
US20130100362A1 (en) 2011-10-24 2013-04-25 Google Inc. Near-to-eye display with diffraction grating that bends and focuses light
WO2017094493A1 (ja) 2015-12-03 2017-06-08 シャープ株式会社 導光板、ライトガイドおよび虚像表示装置
CN110133780A (zh) 2019-05-23 2019-08-16 天津大学 一种偏振不敏感的高效率波导显示光栅耦合器

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