CN117425850A - 光学系统以及图像显示装置 - Google Patents

光学系统以及图像显示装置 Download PDF

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Publication number
CN117425850A
CN117425850A CN202280040793.2A CN202280040793A CN117425850A CN 117425850 A CN117425850 A CN 117425850A CN 202280040793 A CN202280040793 A CN 202280040793A CN 117425850 A CN117425850 A CN 117425850A
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CN
China
Prior art keywords
optical system
branch
directions
region
periodic structure
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
CN202280040793.2A
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English (en)
Chinese (zh)
Inventor
葛原聪
南和博
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of CN117425850A publication Critical patent/CN117425850A/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
    • G02B27/0081—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
    • G02B27/01—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
    • 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
    • G02B5/1866—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
    • G02B27/0172—Head mounted characterised by optical features
    • G02B2027/0174—Head mounted characterised by optical features holographic

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
CN202280040793.2A 2021-06-09 2022-04-11 光学系统以及图像显示装置 Pending CN117425850A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-096823 2021-06-09
JP2021096823 2021-06-09
PCT/JP2022/017533 WO2022259756A1 (ja) 2021-06-09 2022-04-11 光学系、及び、画像表示装置

Publications (1)

Publication Number Publication Date
CN117425850A true CN117425850A (zh) 2024-01-19

Family

ID=84425880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280040793.2A Pending CN117425850A (zh) 2021-06-09 2022-04-11 光学系统以及图像显示装置

Country Status (5)

Country Link
US (1) US20240111161A1 (https=)
EP (1) EP4354204A4 (https=)
JP (1) JP7811710B2 (https=)
CN (1) CN117425850A (https=)
WO (1) WO2022259756A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20245631A1 (en) * 2024-05-17 2025-11-18 Dispelix Oy Screen structure

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008081070A1 (en) * 2006-12-28 2008-07-10 Nokia Corporation Device for expanding an exit pupil in two dimensions
JP6171740B2 (ja) * 2013-09-02 2017-08-02 セイコーエプソン株式会社 光学デバイス及び画像表示装置
GB2529003B (en) * 2014-08-03 2020-08-26 Wave Optics Ltd Optical device
US10429645B2 (en) * 2015-10-07 2019-10-01 Microsoft Technology Licensing, Llc Diffractive optical element with integrated in-coupling, exit pupil expansion, and out-coupling
GB201705160D0 (en) * 2017-03-30 2017-05-17 Wave Optics Ltd Waveguide for an augmented reality or virtual reality display
CN113281839B (zh) 2017-06-13 2023-04-14 伊奎蒂公司 具有扩大光分布重叠光栅的图像光导
CN113325507A (zh) * 2018-12-26 2021-08-31 上海鲲游光电科技有限公司 一种基于二维光栅的平面光波导
JP7560887B2 (ja) * 2019-04-16 2024-10-03 ディスペリックス オサケ ユキチュア 新規な格子配置
JP7297548B2 (ja) * 2019-06-21 2023-06-26 株式会社日立エルジーデータストレージ 導光板の製造方法、導光板モジュールの製造方法、および画像表示装置の製造方法
JP7352862B2 (ja) * 2019-08-13 2023-09-29 大日本印刷株式会社 光学部材及び表示装置
US10962787B1 (en) * 2019-11-25 2021-03-30 Shanghai North Ocean Photonics Co., Ltd. Waveguide display device
CN111025657A (zh) * 2019-12-31 2020-04-17 瑞声通讯科技(常州)有限公司 近眼显示装置

Also Published As

Publication number Publication date
US20240111161A1 (en) 2024-04-04
WO2022259756A1 (ja) 2022-12-15
JPWO2022259756A1 (https=) 2022-12-15
EP4354204A1 (en) 2024-04-17
EP4354204A4 (en) 2024-09-11
JP7811710B2 (ja) 2026-02-06

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