FI131870B1 - Display construction and display device - Google Patents

Display construction and display device

Info

Publication number
FI131870B1
FI131870B1 FI20215929A FI20215929A FI131870B1 FI 131870 B1 FI131870 B1 FI 131870B1 FI 20215929 A FI20215929 A FI 20215929A FI 20215929 A FI20215929 A FI 20215929A FI 131870 B1 FI131870 B1 FI 131870B1
Authority
FI
Finland
Prior art keywords
display structure
ridge
height
lateral direction
equal
Prior art date
Application number
FI20215929A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20215929A1 (en
Inventor
Juuso Olkkonen
Timo Hassinen
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
Priority to FI20215929A priority Critical patent/FI131870B1/en
Priority to JP2024513125A priority patent/JP2024531487A/ja
Priority to US18/687,740 priority patent/US20240418942A1/en
Priority to EP22783360.5A priority patent/EP4396623A1/en
Priority to CN202280059327.9A priority patent/CN117916645A/zh
Priority to PCT/FI2022/050548 priority patent/WO2023031507A1/en
Priority to KR1020247009268A priority patent/KR20240051188A/ko
Priority to TW111133206A priority patent/TW202316176A/zh
Publication of FI20215929A1 publication Critical patent/FI20215929A1/en
Application granted granted Critical
Publication of FI131870B1 publication Critical patent/FI131870B1/en

Links

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)
FI20215929A 2021-09-03 2021-09-03 Display construction and display device FI131870B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI20215929A FI131870B1 (en) 2021-09-03 2021-09-03 Display construction and display device
JP2024513125A JP2024531487A (ja) 2021-09-03 2022-08-24 ディスプレイ構造体およびディスプレイデバイス
US18/687,740 US20240418942A1 (en) 2021-09-03 2022-08-24 Display structure and display device
EP22783360.5A EP4396623A1 (en) 2021-09-03 2022-08-24 Display structure and display device
CN202280059327.9A CN117916645A (zh) 2021-09-03 2022-08-24 显示结构和显示装置
PCT/FI2022/050548 WO2023031507A1 (en) 2021-09-03 2022-08-24 Display structure and display device
KR1020247009268A KR20240051188A (ko) 2021-09-03 2022-08-24 디스플레이 구조 및 디스플레이 장치
TW111133206A TW202316176A (zh) 2021-09-03 2022-09-01 顯示器結構和顯示器裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20215929A FI131870B1 (en) 2021-09-03 2021-09-03 Display construction and display device

Publications (2)

Publication Number Publication Date
FI20215929A1 FI20215929A1 (en) 2023-03-04
FI131870B1 true FI131870B1 (en) 2026-01-19

Family

ID=83546854

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20215929A FI131870B1 (en) 2021-09-03 2021-09-03 Display construction and display device

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
TW202316176A (zh) 2023-04-16
EP4396623A1 (en) 2024-07-10
KR20240051188A (ko) 2024-04-19
US20240418942A1 (en) 2024-12-19

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