TWI753617B - 圖像顯示元件及裝置 - Google Patents

圖像顯示元件及裝置 Download PDF

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Publication number
TWI753617B
TWI753617B TW109136214A TW109136214A TWI753617B TW I753617 B TWI753617 B TW I753617B TW 109136214 A TW109136214 A TW 109136214A TW 109136214 A TW109136214 A TW 109136214A TW I753617 B TWI753617 B TW I753617B
Authority
TW
Taiwan
Prior art keywords
diffraction grating
incident
light
light guide
guide plate
Prior art date
Application number
TW109136214A
Other languages
English (en)
Chinese (zh)
Other versions
TW202127072A (zh
Inventor
峯邑浩行
安齋由美子
Original Assignee
日商日立樂金資料儲存股份有限公司
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.)
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Application filed by 日商日立樂金資料儲存股份有限公司 filed Critical 日商日立樂金資料儲存股份有限公司
Publication of TW202127072A publication Critical patent/TW202127072A/zh
Application granted granted Critical
Publication of TWI753617B publication Critical patent/TWI753617B/zh

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    • 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
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • 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
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • 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
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
TW109136214A 2020-01-10 2020-10-20 圖像顯示元件及裝置 TWI753617B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-002825 2020-01-10
JP2020002825A JP7341907B2 (ja) 2020-01-10 2020-01-10 画像表示素子および装置

Publications (2)

Publication Number Publication Date
TW202127072A TW202127072A (zh) 2021-07-16
TWI753617B true TWI753617B (zh) 2022-01-21

Family

ID=76788158

Family Applications (1)

Application Number Title Priority Date Filing Date
TW109136214A TWI753617B (zh) 2020-01-10 2020-10-20 圖像顯示元件及裝置

Country Status (5)

Country Link
US (1) US20230010994A1 (enExample)
JP (1) JP7341907B2 (enExample)
CN (1) CN114846386B (enExample)
TW (1) TWI753617B (enExample)
WO (1) WO2021140717A1 (enExample)

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TWI884089B (zh) * 2024-09-30 2025-05-11 友達光電股份有限公司 具有低折射率與大視野之光學模組及增強實境顯示器

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JP7465826B2 (ja) * 2021-02-02 2024-04-11 株式会社日立エルジーデータストレージ 導光板、導光板モジュールおよび画像表示装置
GB202103391D0 (en) * 2021-03-11 2021-04-28 Opsec Security Ltd Security device
EP4374201A1 (en) * 2021-08-20 2024-05-29 Google LLC Single waveguide red-green-blue (rgb) architecture using low index mediums
FI20245457A1 (en) * 2024-04-12 2025-10-13 Dispelix Oy Diffraction grating

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CN107615136A (zh) * 2015-04-08 2018-01-19 迪斯帕列斯有限公司 光学透视显示元件和使用这样的元件的设备
CN109073882A (zh) * 2016-04-13 2018-12-21 微软技术许可有限责任公司 具有出射光瞳扩展器的基于波导的显示器
US20190129180A1 (en) * 2017-10-30 2019-05-02 Facebook Technologies, Llc H2-assisted slanted etching of high refractive index material
TW201932959A (zh) * 2018-01-23 2019-08-16 美商菲絲博克科技有限公司 基於波導的近眼顯示器中具有減少彩虹紋的傾斜表面浮雕光柵、光柵耦合器或光學元件

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI884089B (zh) * 2024-09-30 2025-05-11 友達光電股份有限公司 具有低折射率與大視野之光學模組及增強實境顯示器

Also Published As

Publication number Publication date
JP2021110838A (ja) 2021-08-02
WO2021140717A1 (ja) 2021-07-15
CN114846386B (zh) 2024-04-02
JP7341907B2 (ja) 2023-09-11
CN114846386A (zh) 2022-08-02
TW202127072A (zh) 2021-07-16
US20230010994A1 (en) 2023-01-12

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