CN110869820B - 减弱散斑的虚拟和增强现实系统及方法 - Google Patents

减弱散斑的虚拟和增强现实系统及方法 Download PDF

Info

Publication number
CN110869820B
CN110869820B CN201880044941.1A CN201880044941A CN110869820B CN 110869820 B CN110869820 B CN 110869820B CN 201880044941 A CN201880044941 A CN 201880044941A CN 110869820 B CN110869820 B CN 110869820B
Authority
CN
China
Prior art keywords
diffuser
light
laser
laser diode
modulator
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
CN201880044941.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN110869820A (zh
Inventor
P·圣西莱尔
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.)
Magic Leap Inc
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
Priority to CN202411371984.4A priority Critical patent/CN119200250A/zh
Publication of CN110869820A publication Critical patent/CN110869820A/zh
Application granted granted Critical
Publication of CN110869820B publication Critical patent/CN110869820B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G02B27/48—Laser speckle optics
    • 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
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
    • G06T19/006—Mixed reality
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • 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
    • G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
    • 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
    • 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
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Semiconductor Lasers (AREA)
  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Processing Or Creating Images (AREA)
  • User Interface Of Digital Computer (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Microscoopes, Condenser (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
CN201880044941.1A 2017-07-06 2018-07-05 减弱散斑的虚拟和增强现实系统及方法 Active CN110869820B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411371984.4A CN119200250A (zh) 2017-07-06 2018-07-05 减弱散斑的虚拟和增强现实系统及方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762529223P 2017-07-06 2017-07-06
US62/529,223 2017-07-06
PCT/US2018/040954 WO2019010332A1 (en) 2017-07-06 2018-07-05 GRANULARITY REDUCTION SYSTEMS IN VIRTUAL AND INCREASED REALITY SYSTEMS

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202411371984.4A Division CN119200250A (zh) 2017-07-06 2018-07-05 减弱散斑的虚拟和增强现实系统及方法

Publications (2)

Publication Number Publication Date
CN110869820A CN110869820A (zh) 2020-03-06
CN110869820B true CN110869820B (zh) 2024-10-25

Family

ID=64903126

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201880044941.1A Active CN110869820B (zh) 2017-07-06 2018-07-05 减弱散斑的虚拟和增强现实系统及方法
CN202411371984.4A Pending CN119200250A (zh) 2017-07-06 2018-07-05 减弱散斑的虚拟和增强现实系统及方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202411371984.4A Pending CN119200250A (zh) 2017-07-06 2018-07-05 减弱散斑的虚拟和增强现实系统及方法

Country Status (9)

Country Link
US (3) US11009718B2 (https=)
EP (2) EP4328656B1 (https=)
JP (2) JP7009520B2 (https=)
KR (2) KR102375882B1 (https=)
CN (2) CN110869820B (https=)
AU (1) AU2018298130A1 (https=)
CA (1) CA3068046C (https=)
IL (3) IL311395A (https=)
WO (1) WO2019010332A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4328656B1 (en) * 2017-07-06 2025-12-17 Magic Leap, Inc. Speckle-reduction in virtual and augmented reality systems and methods
CN109638641B (zh) * 2019-01-25 2021-04-02 太原理工大学 混沌电路调制激光器消除激光显示中散斑的方法及装置
EP3719519A1 (en) * 2019-04-01 2020-10-07 Koninklijke Philips N.V. Two-dimensional display for magnetic resonance imaging
CN110221512A (zh) * 2019-06-28 2019-09-10 合肥全色光显科技有限公司 一种基于rgb激光的dlp技术ar眼镜
FI20215616A1 (en) * 2021-05-25 2022-11-26 Dispelix Oy An optical waveguide arrangement for reducing interference patterns
WO2023122148A1 (en) * 2021-12-22 2023-06-29 Meta Platforms Technologies, Llc High performance backlight device using photonic integrated circuits
US12271078B2 (en) 2021-12-22 2025-04-08 Meta Platforms Technologies, Llc High performance backlight device using photonic integrated circuits
US12335453B2 (en) 2021-12-23 2025-06-17 Meta Platforms Technologies, Llc Detection, analysis and correction of disparities in a display system utilizing disparity sensing port
CN114332373B (zh) * 2021-12-29 2024-08-27 华侨大学 一种克服继电器金属表面反光的磁路落差检测方法及系统
US20240036325A1 (en) * 2022-07-27 2024-02-01 Apple Inc. Optical Systems with Sequential Illumination
EP4513473A4 (en) 2022-09-13 2025-05-07 Samsung Electronics Co., Ltd. ELECTRONIC DEVICE AND METHOD FOR CONTROLLING DISPLAY OF ELECTRONIC DEVICE
WO2025072911A1 (en) * 2023-09-29 2025-04-03 Meta Platforms Technologies, Llc Systems and methods for reducing speckle artifacts in laser-illuminated panel displays

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1774661A (zh) * 2004-03-29 2006-05-17 索尼株式会社 光学装置以及虚像显示装置
CN101395772A (zh) * 2006-03-03 2009-03-25 松下电器产业株式会社 照明光源及激光投影装置
CN206074926U (zh) * 2016-05-03 2017-04-05 许江珂 一种无激光散斑的激光显示光源

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011403A (en) * 1976-03-30 1977-03-08 Northwestern University Fiber optic laser illuminators
US4897715A (en) * 1988-10-31 1990-01-30 General Electric Company Helmet display
US5109465A (en) * 1990-01-16 1992-04-28 Summit Technology, Inc. Beam homogenizer
US6724354B1 (en) * 1999-06-21 2004-04-20 The Microoptical Corporation Illumination systems for eyeglass and facemask display systems
AU2001249256A1 (en) * 2000-03-16 2001-09-24 Pablo Benitez High efficiency non-imaging optics
US6600590B2 (en) * 2001-02-20 2003-07-29 Eastman Kodak Company Speckle suppressed laser projection system using RF injection
US6625381B2 (en) * 2001-02-20 2003-09-23 Eastman Kodak Company Speckle suppressed laser projection system with partial beam reflection
WO2006098281A1 (ja) * 2005-03-16 2006-09-21 Matsushita Electric Industrial Co., Ltd. 画像投影装置
WO2006107720A1 (en) * 2005-04-01 2006-10-12 Spudnik, Inc. Display systems and devices having screens with optical fluorescent materials
US20070171328A1 (en) * 2005-11-21 2007-07-26 Freeman Mark O Substrate-guided display
US20080095203A1 (en) * 2006-10-19 2008-04-24 Bratkovski Alexandre M Multi-emitter image formation with reduced speckle
JP4935318B2 (ja) 2006-11-21 2012-05-23 セイコーエプソン株式会社 光源装置、画像表示装置
JP2008153320A (ja) 2006-12-15 2008-07-03 Hitachi Ltd 光源システム
CN104765041B (zh) 2007-10-09 2019-07-26 文达光电股份有限公司 基于半导体激光器和放大器的相干激光雷达系统
US7551341B1 (en) 2008-01-28 2009-06-23 Dolby Laboratories Licensing Corporation Serial modulation display having binary light modulation stage
DE602009000115D1 (de) * 2008-04-15 2010-09-30 Jds Uniphase Corp Auf einem Wellenlängenplättchen basierende Vorrichtung und Methode zur Reduzierung von Speckles in Laserbeleuchtungssystemen
US7972008B2 (en) * 2008-10-21 2011-07-05 Microvision, Inc. Projection system using high-frequency drive modulation to reduce perceived speckle
JP5442628B2 (ja) * 2008-10-23 2014-03-12 日本化薬株式会社 レーザー光用の光拡散セル、これを用いた光源装置および画像表示装置
US20100332575A1 (en) * 2009-06-29 2010-12-30 Ido Kanter High-Speed Random Number Generator
WO2011021129A1 (en) 2009-08-17 2011-02-24 Koninklijke Philips Electronics N.V. Method of operating a smi sensor and corresponding sensor device
EP2510595A2 (en) 2009-12-07 2012-10-17 Barret Lippey Despeckling apparatus and method
US20120212499A1 (en) * 2010-02-28 2012-08-23 Osterhout Group, Inc. System and method for display content control during glasses movement
WO2011106797A1 (en) * 2010-02-28 2011-09-01 Osterhout Group, Inc. Projection triggering through an external marker in an augmented reality eyepiece
US20110234985A1 (en) * 2010-03-26 2011-09-29 Alcatel-Lucent Usa Inc. Despeckling laser-image-projection system
TW201222009A (en) * 2010-05-21 2012-06-01 Corning Inc Systems and methods for reducing speckle using diffusing surfaces
JP5417268B2 (ja) 2010-06-28 2014-02-12 富士フイルム株式会社 内視鏡システム
US8585206B2 (en) * 2010-06-29 2013-11-19 Corning Incorporated Methods for operating scanning laser projectors to reduce speckle and image flicker
WO2012031405A1 (zh) * 2010-09-10 2012-03-15 青岛海信信芯科技有限公司 立体投影方法及系统、电视机
JP5762086B2 (ja) * 2011-03-31 2015-08-12 キヤノン株式会社 偏光分離素子および画像投射装置
CN103597400B (zh) * 2011-04-12 2017-05-03 巴库股份有限公司 散斑减少的激光投影仪
JP5423742B2 (ja) 2011-08-27 2014-02-19 株式会社デンソー ヘッドアップディスプレイ装置
EP2761362A2 (en) 2011-09-26 2014-08-06 Microsoft Corporation Video display modification based on sensor input for a see-through near-to-eye display
US9046697B2 (en) * 2012-01-02 2015-06-02 Jgm Associates, Inc. Low-speckle light sources and displays employing multimode optical fiber
US8905548B2 (en) 2012-08-23 2014-12-09 Omnivision Technologies, Inc. Device and method for reducing speckle in projected images
US9933684B2 (en) 2012-11-16 2018-04-03 Rockwell Collins, Inc. Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration
EP2971948A1 (en) * 2013-03-15 2016-01-20 Dolby Laboratories Licensing Corporation Apparatus for display systems
CN104252047A (zh) 2013-06-26 2014-12-31 Cq科技有限公司 具有消散斑功能的激光投影系统
JP2015060092A (ja) 2013-09-19 2015-03-30 ウシオ電機株式会社 光源装置およびプロジェクタ
JP5991389B2 (ja) 2015-01-19 2016-09-14 セイコーエプソン株式会社 照明装置及びプロジェクター
JP6626733B2 (ja) 2016-02-19 2019-12-25 シャープ株式会社 発光装置、照明装置、及び投影装置
EP4328656B1 (en) * 2017-07-06 2025-12-17 Magic Leap, Inc. Speckle-reduction in virtual and augmented reality systems and methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1774661A (zh) * 2004-03-29 2006-05-17 索尼株式会社 光学装置以及虚像显示装置
CN101395772A (zh) * 2006-03-03 2009-03-25 松下电器产业株式会社 照明光源及激光投影装置
CN206074926U (zh) * 2016-05-03 2017-04-05 许江珂 一种无激光散斑的激光显示光源

Also Published As

Publication number Publication date
KR20200019246A (ko) 2020-02-21
JP2022040217A (ja) 2022-03-10
IL300305B1 (en) 2024-04-01
AU2018298130A1 (en) 2020-01-16
IL271769A (en) 2020-02-27
US11454822B2 (en) 2022-09-27
IL271769B1 (en) 2023-03-01
EP4328656A2 (en) 2024-02-28
IL271769B2 (en) 2023-07-01
KR102618430B1 (ko) 2023-12-27
WO2019010332A1 (en) 2019-01-10
JP7231766B2 (ja) 2023-03-01
US20190011722A1 (en) 2019-01-10
KR20220038526A (ko) 2022-03-28
IL300305B2 (en) 2024-08-01
EP3649493A4 (en) 2020-07-08
CA3068046A1 (en) 2019-01-10
CN110869820A (zh) 2020-03-06
EP4328656B1 (en) 2025-12-17
US20220413315A1 (en) 2022-12-29
IL300305A (en) 2023-04-01
JP7009520B2 (ja) 2022-01-25
KR102375882B1 (ko) 2022-03-16
US11009718B2 (en) 2021-05-18
CA3068046C (en) 2022-12-13
US20210239997A1 (en) 2021-08-05
EP3649493A1 (en) 2020-05-13
EP4328656A3 (en) 2024-05-15
US11762213B2 (en) 2023-09-19
IL311395A (en) 2024-05-01
JP2020526790A (ja) 2020-08-31
CN119200250A (zh) 2024-12-27
EP3649493B1 (en) 2024-02-21

Similar Documents

Publication Publication Date Title
CN110869820B (zh) 减弱散斑的虚拟和增强现实系统及方法
CA2739262C (en) System and method for despeckling an image illuminated by a coherent light source
CN102972029B (zh) 操作扫描激光投影仪以减少斑点和图像闪烁的方法
US9019615B2 (en) Wide field-of-view virtual image projector
US10215984B2 (en) Projection apparatus using telecentric optics
JP2009527772A (ja) レーザ投影ディスプレイのための角度走査によるスペックル低減装置及び方法
GB2462444A (en) Image projection apparatus and method
JP7412361B2 (ja) Ｒｇｂ照明器のための方法およびシステム
KR101817417B1 (ko) 레이저 투영 장치
CN121142794A (zh) 图像生成系统、方法和设备

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant