CA3068046C - Speckle-reduction in virtual and augmented reality systems and methods - Google Patents

Speckle-reduction in virtual and augmented reality systems and methods Download PDF

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Publication number
CA3068046C
CA3068046C CA3068046A CA3068046A CA3068046C CA 3068046 C CA3068046 C CA 3068046C CA 3068046 A CA3068046 A CA 3068046A CA 3068046 A CA3068046 A CA 3068046A CA 3068046 C CA3068046 C CA 3068046C
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Prior art keywords
diffuser
light
laser
laser diode
display system
Prior art date
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Application number
CA3068046A
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English (en)
French (fr)
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CA3068046A1 (en
Inventor
Pierre St. Hilaire
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Magic Leap Inc
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Magic Leap Inc
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Publication of CA3068046A1 publication Critical patent/CA3068046A1/en
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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
    • G02B27/01—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
    • 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
    • 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

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  • 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)
CA3068046A 2017-07-06 2018-07-05 Speckle-reduction in virtual and augmented reality systems and methods Active CA3068046C (en)

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

Publications (2)

Publication Number Publication Date
CA3068046A1 CA3068046A1 (en) 2019-01-10
CA3068046C true CA3068046C (en) 2022-12-13

Family

ID=64903126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3068046A Active CA3068046C (en) 2017-07-06 2018-07-05 Speckle-reduction in virtual and augmented reality systems and methods

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=)

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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
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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

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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
CN110869820B (zh) 2024-10-25
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
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

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