CN114026468B - 导光板及其制造方法、导光板模块以及图像显示装置 - Google Patents

导光板及其制造方法、导光板模块以及图像显示装置 Download PDF

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Publication number
CN114026468B
CN114026468B CN202080045388.0A CN202080045388A CN114026468B CN 114026468 B CN114026468 B CN 114026468B CN 202080045388 A CN202080045388 A CN 202080045388A CN 114026468 B CN114026468 B CN 114026468B
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China
Prior art keywords
light guide
guide plate
diffraction grating
light
incident
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CN202080045388.0A
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Chinese (zh)
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CN114026468A (zh
Inventor
峰邑浩行
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Hitachi LG Data Storage Inc
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Hitachi LG Data Storage Inc
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    • 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
    • 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
    • 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
    • G02B27/02—Viewing or reading apparatus
    • 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
    • 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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • 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
    • 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
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
    • G02B2027/0125—Field-of-view increase by wavefront division

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
CN202080045388.0A 2019-06-21 2020-02-13 导光板及其制造方法、导光板模块以及图像显示装置 Active CN114026468B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-115048 2019-06-21
JP2019115048A JP7297548B2 (ja) 2019-06-21 2019-06-21 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
PCT/JP2020/005519 WO2020255482A1 (ja) 2019-06-21 2020-02-13 導光板、その製造方法、導光板モジュール、および画像表示装置

Publications (2)

Publication Number Publication Date
CN114026468A CN114026468A (zh) 2022-02-08
CN114026468B true CN114026468B (zh) 2025-01-28

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Country Status (5)

Country Link
US (1) US12216303B2 (https=)
JP (1) JP7297548B2 (https=)
CN (1) CN114026468B (https=)
TW (1) TWI764135B (https=)
WO (1) WO2020255482A1 (https=)

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WO2021237168A1 (en) 2020-05-22 2021-11-25 Magic Leap, Inc. Method and system for dual projector waveguide displays with wide field of view
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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
JP7796327B2 (ja) * 2021-06-09 2026-01-09 パナソニックＩｐマネジメント株式会社 光学系、及び、画像表示装置
JP7811710B2 (ja) * 2021-06-09 2026-02-06 パナソニックＩｐマネジメント株式会社 光学系、及び、画像表示装置
US20250224550A1 (en) * 2022-03-31 2025-07-10 Vuzix Corporation Multiple wavelength range imaging light guide system
WO2023203663A1 (ja) * 2022-04-20 2023-10-26 Ｃｅｌｌｉｄ株式会社 投影基板及び眼鏡型端末
WO2024183132A1 (zh) * 2023-03-03 2024-09-12 瑞仪光电(苏州)有限公司 光学元件、背光模组及显示装置
JPWO2025142264A1 (https=) * 2023-12-28 2025-07-03
JP2025179605A (ja) * 2024-05-28 2025-12-10 株式会社日立ハイテク 回折格子及びそれを用いた分析装置、回折格子の製造方法
WO2026079411A1 (ja) * 2024-10-09 2026-04-16 ソニーグループ株式会社 導光板、表示装置、および導光板の製造方法

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CN114026468A (zh) 2022-02-08
TWI764135B (zh) 2022-05-11
US12216303B2 (en) 2025-02-04
TW202101034A (zh) 2021-01-01
JP2021001955A (ja) 2021-01-07
JP7297548B2 (ja) 2023-06-26
WO2020255482A1 (ja) 2020-12-24
US20220206207A1 (en) 2022-06-30

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