CN114616210A - 带有具有降低的偏振灵敏度的衍射光栅的显示装置 - Google Patents

带有具有降低的偏振灵敏度的衍射光栅的显示装置 Download PDF

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Publication number
CN114616210A
CN114616210A CN202080075176.7A CN202080075176A CN114616210A CN 114616210 A CN114616210 A CN 114616210A CN 202080075176 A CN202080075176 A CN 202080075176A CN 114616210 A CN114616210 A CN 114616210A
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CN
China
Prior art keywords
light
mounted display
display system
waveguide
head mounted
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
CN202080075176.7A
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English (en)
Chinese (zh)
Inventor
V·辛格
K·罗
邓晓培
杨书强
F·Y·徐
K·梅塞尔
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Magic Leap Inc
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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
Publication of CN114616210A publication Critical patent/CN114616210A/zh
Pending legal-status Critical Current

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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)
  • Mechanical Optical Scanning Systems (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Eyeglasses (AREA)
CN202080075176.7A 2019-09-11 2020-09-11 带有具有降低的偏振灵敏度的衍射光栅的显示装置 Pending CN114616210A (zh)

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

Publications (1)

Publication Number Publication Date
CN114616210A true CN114616210A (zh) 2022-06-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080075176.7A Pending CN114616210A (zh) 2019-09-11 2020-09-11 带有具有降低的偏振灵敏度的衍射光栅的显示装置

Country Status (5)

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

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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

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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

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Publication number Publication date
JP7420926B2 (ja) 2024-01-23
US12135442B2 (en) 2024-11-05
EP4028354A4 (en) 2023-11-22
JP7692960B2 (ja) 2025-06-16
WO2021050924A1 (en) 2021-03-18
JP2025014003A (ja) 2025-01-28
JP2022547219A (ja) 2022-11-10
US20250020841A1 (en) 2025-01-16
EP4028354A1 (en) 2022-07-20
US20210072437A1 (en) 2021-03-11
JP7840381B2 (ja) 2026-04-03
US20230213692A1 (en) 2023-07-06
JP2026065044A (ja) 2026-04-14
JP2023164927A (ja) 2023-11-14
US11614573B2 (en) 2023-03-28

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