JP7408629B2 - 空間的に変化するリターダ光学系を備えるヘッドマウントディスプレイ（ｈｍｄ） - Google Patents

空間的に変化するリターダ光学系を備えるヘッドマウントディスプレイ（ｈｍｄ） Download PDF

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JP7408629B2
JP7408629B2 JP2021506924A JP2021506924A JP7408629B2 JP 7408629 B2 JP7408629 B2 JP 7408629B2 JP 2021506924 A JP2021506924 A JP 2021506924A JP 2021506924 A JP2021506924 A JP 2021506924A JP 7408629 B2 JP7408629 B2 JP 7408629B2
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wave plate
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lens assembly
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ハドマン、ジョシュア・マーク
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バルブ コーポレーション
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    • 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 
    • G02F1/13—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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • 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
    • G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • 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 
    • G02F1/13—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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • 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
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G02B2027/012—Head-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
    • 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 
    • G02F1/13—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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side
    • 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 
    • G02F1/13—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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133631—Birefringent elements, e.g. for optical compensation with a spatial distribution of the retardation value
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/294—Variable focal length devices

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Dispersion Chemistry (AREA)
JP2021506924A 2018-08-10 2019-08-09 空間的に変化するリターダ光学系を備えるヘッドマウントディスプレイ（ｈｍｄ） Active JP7408629B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/101,333 US10778963B2 (en) 2018-08-10 2018-08-10 Head-mounted display (HMD) with spatially-varying retarder optics
US16/101,333 2018-08-10
PCT/US2019/045988 WO2020033882A1 (en) 2018-08-10 2019-08-09 Head-mounted display (hmd) with spatially-varying retarder optics

Publications (4)

Publication Number Publication Date
JP2021534447A JP2021534447A (ja) 2021-12-09
JP2021534447A5 JP2021534447A5 (https=) 2022-07-29
JPWO2020033882A5 JPWO2020033882A5 (https=) 2022-07-29
JP7408629B2 true JP7408629B2 (ja) 2024-01-05

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JP2021506924A Active JP7408629B2 (ja) 2018-08-10 2019-08-09 空間的に変化するリターダ光学系を備えるヘッドマウントディスプレイ（ｈｍｄ）

Country Status (6)

Country Link
US (1) US10778963B2 (https=)
EP (1) EP3830616A4 (https=)
JP (1) JP7408629B2 (https=)
KR (1) KR102832715B1 (https=)
CN (1) CN112654902B (https=)
WO (1) WO2020033882A1 (https=)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10778963B2 (en) 2018-08-10 2020-09-15 Valve Corporation Head-mounted display (HMD) with spatially-varying retarder optics
US12099226B2 (en) * 2018-08-14 2024-09-24 3M Innovative Properties Company Optical system
US10976552B2 (en) * 2018-10-12 2021-04-13 Google Llc Near-eye system having polarization waveguide
EP4100784A4 (en) 2020-02-06 2024-03-06 Valve Corporation POSITION TRACKING SYSTEM FOR HEAD-MOUNTED DISPLAY SYSTEMS
US11662586B2 (en) * 2020-03-06 2023-05-30 Magic Leap, Inc. Angularly selective attenuation of light transmission artifacts in wearable displays
CN111458883A (zh) * 2020-05-20 2020-07-28 浙江水晶光电科技股份有限公司 一种光学模组及增强现实装置
CN114077051B (zh) * 2020-08-13 2023-06-06 京东方科技集团股份有限公司 一种近眼显示装置
CN115917375B (zh) * 2020-08-21 2025-10-24 高平公司 宽视野影像显示装置
WO2022157881A1 (ja) * 2021-01-21 2022-07-28 コピン コーポレーション 映像表示装置
US20230093721A1 (en) * 2021-09-23 2023-03-23 Valve Corporation Head-mounted display system with compact optics
CN113866984B (zh) * 2021-09-27 2022-08-30 业成科技（成都）有限公司 短焦光学模组
US20230251547A1 (en) * 2022-02-08 2023-08-10 Meta Platforms Technologies, Llc Lens assembly including path correction device
CN114706226B (zh) * 2022-04-29 2023-12-12 业成科技（成都）有限公司 虚拟现实显示系统及头戴式显示设备
CN117420681A (zh) * 2022-07-07 2024-01-19 华为技术有限公司 光学系统、显示设备以及交通工具
CN115437151A (zh) * 2022-08-31 2022-12-06 歌尔光学科技有限公司 光学模组以及头戴显示设备
TWI850854B (zh) * 2022-11-16 2024-08-01 宏碁股份有限公司 擴增實境顯示裝置
TWI826131B (zh) * 2022-11-21 2023-12-11 宏碁股份有限公司 擴增實境顯示裝置
US12449681B2 (en) * 2023-05-02 2025-10-21 Tencent America LLC Polarization based dual imaging optical system
WO2025072070A1 (en) * 2023-09-28 2025-04-03 Meta Platforms Technologies, Llc Virtual reality display sun damage mitigation
US20250186260A1 (en) * 2023-12-12 2025-06-12 Laura R. Vanderhoef Protective eyewear for high intensity sources
CN120405966B (zh) * 2025-06-25 2025-09-02 歌尔股份有限公司 近眼光学显示系统以及智能头戴设备

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005059653A2 (de) 2003-11-26 2005-06-30 Carl Zeiss Smt Ag Polarisationsoptisch wirksame verzögerungsanordnung für eine projektionsbelichtungsanlage der mikrolithografie
JP2008508543A (ja) 2004-07-28 2008-03-21 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング パターン化リタデーションフィルムを含むトランスフレクティブｌｃｄ
JP2008520084A (ja) 2004-11-10 2008-06-12 カール・ツァイス・エスエムティー・アーゲー 偏光遅延機構及びマイクロリソグラフィ投影露光機
JP2016519327A (ja) 2013-03-13 2016-06-30 ノース・キャロライナ・ステイト・ユニヴァーシティ 幾何学的位相ホログラムを用いる偏光変換システム
WO2017151809A1 (en) 2016-03-02 2017-09-08 Oculus Vr, Llc Field curvature corrected display
WO2018026633A1 (en) 2016-08-02 2018-02-08 Apple Inc. Optical system for head-mounted display
US20180101020A1 (en) 2016-10-12 2018-04-12 Oculus Vr, Llc Head mounted display including pancake lens block
WO2018178817A2 (en) 2017-03-31 2018-10-04 3M Innovative Properties Company Optical system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3411953B2 (ja) 1996-04-24 2003-06-03 シャープ株式会社 光学装置および該光学装置を用いた頭部搭載型ディスプレイ
WO2008089417A2 (en) 2007-01-18 2008-07-24 The Arizona Board Of Regents On Behalf Of The University Of Arizona A polarized head-mounted projection display
US9298041B2 (en) * 2007-04-16 2016-03-29 North Carolina State University Multi-twist retarders for broadband polarization transformation and related fabrication methods
JP2010534867A (ja) * 2007-07-26 2010-11-11 リアルディー インコーポレイテッド ヘッドマウントシングルパネル立体ディスプレイ
BR112012009707B1 (pt) * 2009-10-30 2020-05-12 Koninklijke Philips N.V. Dispositivo de visualização de multi-vistas
WO2012083042A1 (en) 2010-12-16 2012-06-21 Lockheed Martin Corporation Collimating display with pixel lenses
WO2013062932A1 (en) * 2011-10-24 2013-05-02 3M Innovative Properties Company Tilted dichroic polarizing beamsplitter
CN106170729A (zh) 2013-03-25 2016-11-30 英特尔公司 用于具有多个出射光瞳的头戴显示器的方法和设备
CN107272199B (zh) 2013-11-27 2023-04-07 奇跃公司 虚拟和增强现实系统与方法
US9535253B2 (en) 2015-02-09 2017-01-03 Microsoft Technology Licensing, Llc Display system
US10228566B2 (en) 2017-08-07 2019-03-12 Maximilian Ralph Peter von und zu Liechtenstein Apparatus und method for rendering a virtual monitor on smart ophthalmic devices in augmented reality environments
US11016229B2 (en) 2016-06-09 2021-05-25 3M Innovative Properties Company Optical filter
US10778963B2 (en) 2018-08-10 2020-09-15 Valve Corporation Head-mounted display (HMD) with spatially-varying retarder optics

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005059653A2 (de) 2003-11-26 2005-06-30 Carl Zeiss Smt Ag Polarisationsoptisch wirksame verzögerungsanordnung für eine projektionsbelichtungsanlage der mikrolithografie
JP2008508543A (ja) 2004-07-28 2008-03-21 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング パターン化リタデーションフィルムを含むトランスフレクティブｌｃｄ
JP2008520084A (ja) 2004-11-10 2008-06-12 カール・ツァイス・エスエムティー・アーゲー 偏光遅延機構及びマイクロリソグラフィ投影露光機
JP2016519327A (ja) 2013-03-13 2016-06-30 ノース・キャロライナ・ステイト・ユニヴァーシティ 幾何学的位相ホログラムを用いる偏光変換システム
WO2017151809A1 (en) 2016-03-02 2017-09-08 Oculus Vr, Llc Field curvature corrected display
WO2018026633A1 (en) 2016-08-02 2018-02-08 Apple Inc. Optical system for head-mounted display
JP2019526075A (ja) 2016-08-02 2019-09-12 アップル インコーポレイテッドＡｐｐｌｅ Ｉｎｃ． ヘッドマウントディスプレイ用光学システム
US20180101020A1 (en) 2016-10-12 2018-04-12 Oculus Vr, Llc Head mounted display including pancake lens block
WO2018178817A2 (en) 2017-03-31 2018-10-04 3M Innovative Properties Company Optical system

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Publication number Publication date
KR102832715B1 (ko) 2025-07-11
US20200053350A1 (en) 2020-02-13
JP2021534447A (ja) 2021-12-09
EP3830616A1 (en) 2021-06-09
CN112654902B (zh) 2023-07-04
CN112654902A (zh) 2021-04-13
WO2020033882A1 (en) 2020-02-13
US10778963B2 (en) 2020-09-15
EP3830616A4 (en) 2022-05-04
KR20210041601A (ko) 2021-04-15

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