DE112018000793A5 - Lichtleitvorrichtung und Anzeigevorrichtung zur Darstellung von Szenen - Google Patents

Lichtleitvorrichtung und Anzeigevorrichtung zur Darstellung von Szenen Download PDF

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Publication number
DE112018000793A5
DE112018000793A5 DE112018000793.6T DE112018000793T DE112018000793A5 DE 112018000793 A5 DE112018000793 A5 DE 112018000793A5 DE 112018000793 T DE112018000793 T DE 112018000793T DE 112018000793 A5 DE112018000793 A5 DE 112018000793A5
Authority
DE
Germany
Prior art keywords
light guide
display device
displaying scenes
guide device
scenes
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.)
Pending
Application number
DE112018000793.6T
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English (en)
Inventor
Norbert Leister
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.)
SeeReal Technologies SA
Original Assignee
SeeReal Technologies SA
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 SeeReal Technologies SA filed Critical SeeReal Technologies SA
Publication of DE112018000793A5 publication Critical patent/DE112018000793A5/de
Pending legal-status Critical Current

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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
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0808Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more diffracting elements
    • 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
    • G02B27/0176Head mounted characterised by mechanical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/32Holograms used as optical 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
    • 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
    • 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
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1334Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1334Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • G02F1/13342Holographic polymer dispersed liquid crystals
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/268Holographic stereogram
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30Image reproducers
    • H04N13/332Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/344Displays for viewing with the aid of special glasses or head-mounted displays [HMD] with head-mounted left-right displays
    • 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
    • G02B27/0103Head-up displays characterised by optical features comprising holographic elements
    • G02B2027/0105Holograms with particular structures
    • 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
    • G02B2027/0123Head-up displays characterised by optical features comprising devices increasing the field of view
    • G02B2027/0125Field-of-view increase by wavefront division
    • 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
    • G02B2027/0174Head mounted characterised by optical features holographic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Eyeglasses (AREA)
DE112018000793.6T 2017-02-13 2018-02-13 Lichtleitvorrichtung und Anzeigevorrichtung zur Darstellung von Szenen Pending DE112018000793A5 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EP17155787 2017-02-13
EP17155787.9 2017-02-13
EP17159510 2017-03-07
EP17159510.1 2017-03-07
EP17181136 2017-07-13
EP17181136.7 2017-07-13
PCT/EP2018/053496 WO2018146326A2 (de) 2017-02-13 2018-02-13 Lichtleitvorrichtung und anzeigevorrichtung zur darstellung von szenen

Publications (1)

Publication Number Publication Date
DE112018000793A5 true DE112018000793A5 (de) 2019-12-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE112018000793.6T Pending DE112018000793A5 (de) 2017-02-13 2018-02-13 Lichtleitvorrichtung und Anzeigevorrichtung zur Darstellung von Szenen

Country Status (6)

Country Link
US (1) US20190369403A1 (de)
JP (2) JP7162963B2 (de)
KR (2) KR102633622B1 (de)
CN (2) CN110291442B (de)
DE (1) DE112018000793A5 (de)
WO (1) WO2018146326A2 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7222968B2 (ja) 2017-07-13 2023-02-15 シーリアル テクノロジーズ ソシエテ アノニム 視野を拡大するためのディスプレイデバイス
CN111051938B (zh) 2017-09-26 2022-11-25 苹果公司 具有体相位光栅的显示器
JP7317003B2 (ja) 2017-09-27 2023-07-28 マジック リープ, インコーポレイテッド 別個の位相および振幅変調器を伴う接眼3dディスプレイ
JP6958178B2 (ja) * 2017-09-27 2021-11-02 セイコーエプソン株式会社 表示装置
DE112018004515A5 (de) 2017-10-18 2020-06-18 Seereal Technologies S.A. Anzeigevorrichtung und Verfahren zur Erzeugung eines großen Sichtfeldes
US10750145B1 (en) * 2018-05-24 2020-08-18 Facebook Technologies, Llc Variable-pitch liquid crystal diffraction grating
US11237413B1 (en) 2018-09-10 2022-02-01 Apple Inc. Multi-focal display based on polarization switches and geometric phase lenses
US11740460B2 (en) * 2018-11-29 2023-08-29 Apple Inc. Optical systems with multi-layer holographic combiners
IL264551B1 (en) * 2019-01-29 2024-05-01 Oorym Optics Ltd A compact head-up display system with high efficiency and a small entry key
WO2020232170A1 (en) * 2019-05-14 2020-11-19 Arizona Board Of Regents On Behalf Of The University Of Arizona A light combiner employing a curved waveguide system
WO2020229599A1 (de) 2019-05-16 2020-11-19 Seereal Technologies S.A. Anzeigevorrichtung mit reduziertem energieverbrauch
US11119343B2 (en) 2019-05-20 2021-09-14 Facebook Technologies, Llc Optical waveguide beam splitter with polarization volume gratings for display
US11307347B2 (en) 2019-05-20 2022-04-19 Facebook Technologies, Llc Display illumination using a wedge waveguide
CN114008512B (zh) 2019-06-23 2024-05-24 鲁姆斯有限公司 具有中央凹光学校正的显示器
CN110308566B (zh) * 2019-06-28 2021-12-03 上海慧希电子科技有限公司 显示系统及双目系统
CN112312099B (zh) * 2019-07-29 2023-08-29 深圳光峰科技股份有限公司 投影显示设备
US11579425B1 (en) 2019-08-05 2023-02-14 Meta Platforms Technologies, Llc Narrow-band peripheral see-through pancake lens assembly and display device with same
US11586024B1 (en) 2019-08-05 2023-02-21 Meta Platforms Technologies, Llc Peripheral see-through pancake lens assembly and display device with same
US11726336B2 (en) 2019-09-10 2023-08-15 Meta Platforms Technologies, Llc Active zonal display illumination using a chopped lightguide
US11467332B2 (en) * 2019-09-10 2022-10-11 Meta Platforms Technologies, Llc Display with switchable retarder array
US11391948B2 (en) 2019-09-10 2022-07-19 Facebook Technologies, Llc Display illumination using a grating
US11073700B2 (en) 2019-09-17 2021-07-27 Facebook Technologies, Llc Display device with switchable diffusive display and see-through lens assembly
KR102113434B1 (ko) * 2019-11-15 2020-05-20 전자부품연구원 도파광의 선택적 출광을 통한 도파관 디스플레이의 시야각 확장 구조 및 방법
EP3839607A1 (de) * 2019-12-20 2021-06-23 Imec VZW Optische vorrichtung und augennahe anzeige
US11415805B2 (en) * 2019-12-30 2022-08-16 Meta Platforms Technologies, Llc Optical system and method for providing compressed eyebox
US11360308B2 (en) 2020-01-22 2022-06-14 Facebook Technologies, Llc Optical assembly with holographic optics for folded optical path
KR20210119625A (ko) * 2020-03-24 2021-10-06 삼성전자주식회사 기하학적 위상 광학 소자 및 이를 포함한 3차원 디스플레이 장치
CN113539060A (zh) * 2020-04-20 2021-10-22 华为技术有限公司 一种桌面显示装置和电子设备
CN111538118A (zh) * 2020-06-03 2020-08-14 奥提赞光晶(山东)显示科技有限公司 一种光栅阵列、3d显示装置和3d显示方法
CN111965826B (zh) * 2020-08-27 2022-11-15 Oppo广东移动通信有限公司 智能眼镜的控制方法、装置、存储介质及智能眼镜
GB2598946B (en) 2020-09-21 2022-12-28 Trulife Optics Ltd Optical system with cylindrical waveguide
GB2603517B (en) * 2021-02-05 2023-02-22 Envisics Ltd Image projection
CN112965247A (zh) * 2021-02-05 2021-06-15 杭州珑璟光电技术有限公司 一种投影光学系统及近眼显示设备
WO2022187664A1 (en) * 2021-03-04 2022-09-09 Vuzix Corporation Image light guide with multi-wavelength in-coupling diffractive optic
EP4330760A1 (de) * 2021-04-29 2024-03-06 Lumus Ltd. Vergrösserung des sichtfeldes von augennahen anzeigen
DE102021114196A1 (de) 2021-06-01 2022-12-01 Bayerische Motoren Werke Aktiengesellschaft Reduktion der Lichtleistungsanforderungen in einem Waveguide-HUD für ein Fahrzeug über schaltbare Gitter
WO2022256444A1 (en) * 2021-06-03 2022-12-08 Magic Leap, Inc. Method of making holograms using liquid crystal masters
CN113703164B (zh) * 2021-07-16 2022-10-11 中山大学 光波导指向背光全息显示模组
GB2617810B (en) * 2022-01-20 2024-06-26 Trulife Optics Ltd Eyeglass lens with waveguide
CN116719162A (zh) * 2023-08-08 2023-09-08 中国测试技术研究院 一种基于光学系统的激光光束仿真方法和系统

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100444981B1 (ko) * 2000-12-15 2004-08-21 삼성전자주식회사 착용형 디스플레이 시스템
JP4518193B2 (ja) 2008-06-10 2010-08-04 ソニー株式会社 光学装置および虚像表示装置
WO2010125378A1 (en) 2009-04-29 2010-11-04 Bae Systems Plc Head mounted display
US8885112B2 (en) 2009-10-27 2014-11-11 Sbg Labs, Inc. Compact holographic edge illuminated eyeglass display
US8810913B2 (en) 2010-01-25 2014-08-19 Bae Systems Plc Projection display
JP5496030B2 (ja) 2010-09-16 2014-05-21 オリンパス株式会社 頭部装着型画像表示装置
JP5953311B2 (ja) 2010-11-08 2016-07-20 シーリアル テクノロジーズ ソシエテ アノニムSeereal Technologies S.A. 表示装置
US9304319B2 (en) * 2010-11-18 2016-04-05 Microsoft Technology Licensing, Llc Automatic focus improvement for augmented reality displays
US8548290B2 (en) * 2011-08-23 2013-10-01 Vuzix Corporation Dynamic apertured waveguide for near-eye display
EP2748670B1 (de) * 2011-08-24 2015-11-18 Rockwell Collins, Inc. Tragbare datenanzeige
WO2013163347A1 (en) * 2012-04-25 2013-10-31 Rockwell Collins, Inc. Holographic wide angle display
US9456744B2 (en) * 2012-05-11 2016-10-04 Digilens, Inc. Apparatus for eye tracking
US9841563B2 (en) * 2012-08-04 2017-12-12 Paul Lapstun Shuttered waveguide light field display
WO2014080155A1 (en) * 2012-11-20 2014-05-30 Milan Momcilo Popovich Waveguide device for homogenizing illumination light
US10146053B2 (en) * 2012-12-19 2018-12-04 Microsoft Technology Licensing, Llc Multiplexed hologram tiling in a waveguide display
US9223139B2 (en) 2013-02-15 2015-12-29 Google Inc. Cascading optics in optical combiners of head mounted displays
CN104321682B (zh) * 2013-03-28 2017-09-22 松下知识产权经营株式会社 图像显示装置
DE102013214700B4 (de) * 2013-07-26 2020-08-06 tooz technologies GmbH Brillenglas sowie Anzeigevorrichtung mit einem solchen Brillenglas
JP6187045B2 (ja) * 2013-08-30 2017-08-30 セイコーエプソン株式会社 光学デバイス及び画像表示装置
CN203465469U (zh) * 2013-09-22 2014-03-05 江苏慧光电子科技有限公司 可佩带的平视光学系统
JP6402444B2 (ja) 2013-12-26 2018-10-10 セイコーエプソン株式会社 虚像表示装置
US9474902B2 (en) 2013-12-31 2016-10-25 Nano Retina Ltd. Wearable apparatus for delivery of power to a retinal prosthesis
WO2015144565A1 (en) * 2014-03-26 2015-10-01 Essilor International (Compagnie Generale D'optique) Methods and systems for augmented reality
KR102205000B1 (ko) * 2014-05-30 2021-01-18 매직 립, 인코포레이티드 가상 및 증강 현실에 대한 어드레스 가능 포커스를 가진 자유형 광학 시스템을 사용하여 입체영상을 디스플레이하기 위한 방법들 및 시스템들
RU2603238C2 (ru) * 2014-07-15 2016-11-27 Самсунг Электроникс Ко., Лтд. Световодная структура, голографическое оптическое устройство и система формирования изображений
JP6409401B2 (ja) 2014-08-18 2018-10-24 セイコーエプソン株式会社 導光装置及び虚像表示装置
US9494799B2 (en) * 2014-09-24 2016-11-15 Microsoft Technology Licensing, Llc Waveguide eye tracking employing switchable diffraction gratings
US9759919B2 (en) * 2015-01-05 2017-09-12 Microsoft Technology Licensing, Llc Virtual image display with curved light path
US10437064B2 (en) * 2015-01-12 2019-10-08 Digilens Inc. Environmentally isolated waveguide display
JP6024780B2 (ja) 2015-03-06 2016-11-16 セイコーエプソン株式会社 虚像表示装置
DE102015205873A1 (de) 2015-04-01 2016-10-06 Seereal Technologies S.A. Verfahren zur Berechnung von Hologrammen zur holographischen Rekonstruktion von zweidimensionalen und/oder dreidimensionalen Szenen
WO2017058322A2 (en) 2015-06-30 2017-04-06 Massachusetts Institute Of Technology Apparatus and methods for augmented reality
CN105549150B (zh) * 2016-03-04 2019-05-21 东南大学 一种全息波导显示装置

Also Published As

Publication number Publication date
CN110291442B (zh) 2022-08-02
WO2018146326A3 (de) 2018-11-08
JP2020508480A (ja) 2020-03-19
CN115166977A (zh) 2022-10-11
KR20240023189A (ko) 2024-02-20
JP7162963B2 (ja) 2022-10-31
US20190369403A1 (en) 2019-12-05
JP2023015069A (ja) 2023-01-31
WO2018146326A2 (de) 2018-08-16
KR20190112147A (ko) 2019-10-02
KR102633622B1 (ko) 2024-02-02
CN110291442A (zh) 2019-09-27

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Representative=s name: BRADL, JOACHIM, DIPL.-PHYS. DR.RER.NAT., DE