CN114502991A - 具有偏振敏感性降低的衍射光栅的显示设备 - Google Patents

具有偏振敏感性降低的衍射光栅的显示设备 Download PDF

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Publication number
CN114502991A
CN114502991A CN202080065482.2A CN202080065482A CN114502991A CN 114502991 A CN114502991 A CN 114502991A CN 202080065482 A CN202080065482 A CN 202080065482A CN 114502991 A CN114502991 A CN 114502991A
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China
Prior art keywords
light
substrate
diffraction grating
display system
mounted display
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Pending
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CN202080065482.2A
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English (en)
Chinese (zh)
Inventor
K·罗
V·辛格
N-W·皮
杨书强
F·Y·徐
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Magic Leap Inc
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Magic Leap Inc
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    • 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
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0176—Head mounted characterised by mechanical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/34—Optical coupling means utilising prism 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
    • G02B27/017—Head mounted
    • G02B2027/0178—Eyeglass type

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
CN202080065482.2A 2019-07-19 2020-07-16 具有偏振敏感性降低的衍射光栅的显示设备 Pending CN114502991A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962876205P 2019-07-19 2019-07-19
US62/876,205 2019-07-19
US201962902328P 2019-09-18 2019-09-18
US62/902,328 2019-09-18
PCT/US2020/042381 WO2021016045A1 (en) 2019-07-19 2020-07-16 Display device having diffraction gratings with reduced polarization sensitivity

Publications (1)

Publication Number Publication Date
CN114502991A true CN114502991A (zh) 2022-05-13

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CN202080065482.2A Pending CN114502991A (zh) 2019-07-19 2020-07-16 具有偏振敏感性降低的衍射光栅的显示设备

Country Status (5)

Country Link
US (5) US11327315B2 (https=)
EP (1) EP3999884A4 (https=)
JP (4) JP7447237B2 (https=)
CN (1) CN114502991A (https=)
WO (1) WO2021016045A1 (https=)

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CN115421234A (zh) * 2022-11-04 2022-12-02 北京驭光科技发展有限公司 衍射光波导及其光栅结构以及显示设备

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US20250355254A1 (en) 2025-11-20
JP2025003502A (ja) 2025-01-09
EP3999884A1 (en) 2022-05-25
JP2022540693A (ja) 2022-09-16
US20220229304A1 (en) 2022-07-21
EP3999884A4 (en) 2023-08-30
US12379603B2 (en) 2025-08-05
US11668943B2 (en) 2023-06-06
JP2023112063A (ja) 2023-08-10
WO2021016045A1 (en) 2021-01-28
US20230258943A1 (en) 2023-08-17
US12055725B2 (en) 2024-08-06
US11327315B2 (en) 2022-05-10
JP7689991B2 (ja) 2025-06-09
US20210033867A1 (en) 2021-02-04
US20240361602A1 (en) 2024-10-31
JP2026012233A (ja) 2026-01-23
JP7447237B2 (ja) 2024-03-11

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