KR20240051188A - 디스플레이 구조 및 디스플레이 장치 - Google Patents

디스플레이 구조 및 디스플레이 장치 Download PDF

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Publication number
KR20240051188A
KR20240051188A KR1020247009268A KR20247009268A KR20240051188A KR 20240051188 A KR20240051188 A KR 20240051188A KR 1020247009268 A KR1020247009268 A KR 1020247009268A KR 20247009268 A KR20247009268 A KR 20247009268A KR 20240051188 A KR20240051188 A KR 20240051188A
Authority
KR
South Korea
Prior art keywords
ridge
ridge portion
primary
display structure
lateral direction
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
KR1020247009268A
Other languages
English (en)
Korean (ko)
Inventor
티모 해시넨
주우소 올꼬넨
Original Assignee
디스페릭스 오와이
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 디스페릭스 오와이 filed Critical 디스페릭스 오와이
Publication of KR20240051188A publication Critical patent/KR20240051188A/ko
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)
KR1020247009268A 2021-09-03 2022-08-24 디스플레이 구조 및 디스플레이 장치 Pending KR20240051188A (ko)

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
KR20240051188A true KR20240051188A (ko) 2024-04-19

Family

ID=83546854

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247009268A Pending KR20240051188A (ko) 2021-09-03 2022-08-24 디스플레이 구조 및 디스플레이 장치

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
CN117916645A (zh) 2024-04-19
JP2024531487A (ja) 2024-08-29
FI131870B1 (en) 2026-01-19
TW202316176A (zh) 2023-04-16
EP4396623A1 (en) 2024-07-10
US20240418942A1 (en) 2024-12-19

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