CN117916645A - 显示结构和显示装置 - Google Patents

显示结构和显示装置 Download PDF

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Publication number
CN117916645A
CN117916645A CN202280059327.9A CN202280059327A CN117916645A CN 117916645 A CN117916645 A CN 117916645A CN 202280059327 A CN202280059327 A CN 202280059327A CN 117916645 A CN117916645 A CN 117916645A
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CN
China
Prior art keywords
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ridge
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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
CN202280059327.9A
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English (en)
Chinese (zh)
Inventor
蒂莫·哈西宁
尤索·奥科宁
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.)
Dispelix Oy
Original Assignee
Dispelix Oy
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 Dispelix Oy filed Critical Dispelix Oy
Publication of CN117916645A publication Critical patent/CN117916645A/zh
Pending legal-status Critical Current

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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
    • 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
    • G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1809—Diffraction gratings with pitch less than or comparable to the wavelength
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1861—Reflection 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B2005/1804—Transmission gratings
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Integrated Circuits (AREA)
  • Eyeglasses (AREA)
CN202280059327.9A 2021-09-03 2022-08-24 显示结构和显示装置 Pending CN117916645A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20215929 2021-09-03
FI20215929A FI131870B1 (en) 2021-09-03 2021-09-03 Display construction and display device
PCT/FI2022/050548 WO2023031507A1 (en) 2021-09-03 2022-08-24 Display structure and display device

Publications (1)

Publication Number Publication Date
CN117916645A true CN117916645A (zh) 2024-04-19

Family

ID=83546854

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280059327.9A Pending CN117916645A (zh) 2021-09-03 2022-08-24 显示结构和显示装置

Country Status (8)

Country Link
US (1) US20240418942A1 (https=)
EP (1) EP4396623A1 (https=)
JP (1) JP2024531487A (https=)
KR (1) KR20240051188A (https=)
CN (1) CN117916645A (https=)
FI (1) FI131870B1 (https=)
TW (1) TW202316176A (https=)
WO (1) WO2023031507A1 (https=)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105765421B (zh) * 2013-10-29 2019-07-09 瑞士Csem电子显微技术研发中心 光栅耦合结构
GB201609027D0 (en) * 2016-05-23 2016-07-06 Bae Systems Plc Waveguide manufacturing method
AU2017348084B2 (en) * 2016-10-26 2021-08-19 Magic Leap, Inc. Outcoupling grating for augmented reality system
EP3588150A1 (en) * 2018-06-29 2020-01-01 Thomson Licensing An optical device comprising multi-layer waveguides
CN110764260A (zh) * 2018-07-28 2020-02-07 华为技术有限公司 一种增强现实装置
WO2021016045A1 (en) * 2019-07-19 2021-01-28 Magic Leap, Inc. Display device having diffraction gratings with reduced polarization sensitivity
JP7577729B2 (ja) * 2020-02-19 2024-11-05 ソニーセミコンダクタソリューションズ株式会社 表示装置
US11953725B2 (en) * 2021-06-18 2024-04-09 Taiwan Semiconductor Manufacturing Company, Ltd. Grating coupler and method of manufacturing the same

Also Published As

Publication number Publication date
FI20215929A1 (en) 2023-03-04
WO2023031507A1 (en) 2023-03-09
JP2024531487A (ja) 2024-08-29
FI131870B1 (en) 2026-01-19
TW202316176A (zh) 2023-04-16
EP4396623A1 (en) 2024-07-10
KR20240051188A (ko) 2024-04-19
US20240418942A1 (en) 2024-12-19

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