TW201945776A - 楔形光導 - Google Patents

楔形光導 Download PDF

Info

Publication number
TW201945776A
TW201945776A TW108110768A TW108110768A TW201945776A TW 201945776 A TW201945776 A TW 201945776A TW 108110768 A TW108110768 A TW 108110768A TW 108110768 A TW108110768 A TW 108110768A TW 201945776 A TW201945776 A TW 201945776A
Authority
TW
Taiwan
Prior art keywords
wedge
light
shaped
display
light guide
Prior art date
Application number
TW108110768A
Other languages
English (en)
Chinese (zh)
Inventor
尼可拉斯 艾倫 強森
羅伯特 繆頓 伊蒙斯
Original Assignee
美商3M新設資產公司
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.)
Filing date
Publication date
Application filed by 美商3M新設資產公司 filed Critical 美商3M新設資產公司
Publication of TW201945776A publication Critical patent/TW201945776A/zh

Links

Classifications

    • 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
    • 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along 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
    • G02B6/0013—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
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
TW108110768A 2018-03-28 2019-03-27 楔形光導 TW201945776A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862649535P 2018-03-28 2018-03-28
US62/649,535 2018-03-28

Publications (1)

Publication Number Publication Date
TW201945776A true TW201945776A (zh) 2019-12-01

Family

ID=68059583

Family Applications (1)

Application Number Title Priority Date Filing Date
TW108110768A TW201945776A (zh) 2018-03-28 2019-03-27 楔形光導

Country Status (5)

Country Link
US (1) US20210088711A1 (enExample)
JP (1) JP2021519496A (enExample)
KR (1) KR20200138758A (enExample)
TW (1) TW201945776A (enExample)
WO (1) WO2019186391A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7497201B2 (ja) * 2020-04-24 2024-06-10 株式会社小糸製作所 車両用表示装置
CN113267844B (zh) * 2021-04-08 2022-11-22 马鞍山晶智科技有限公司 一种透明单向出光光源模组
CN113238314B (zh) * 2021-05-06 2022-11-01 苏州晶智科技有限公司 一种用于准直背光模组的楔形导光板及其准直背光模组
GB2618554B (en) * 2022-05-10 2024-10-02 Envisics Ltd Compact head-up display and waveguide therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528720A (en) * 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
US6002829A (en) * 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
US5303322A (en) * 1992-03-23 1994-04-12 Nioptics Corporation Tapered multilayer luminaire devices
JP3267847B2 (ja) * 1995-12-28 2002-03-25 オーツタイヤ株式会社 導光板装置
JP3644787B2 (ja) * 1996-05-09 2005-05-11 松下電器産業株式会社 面状照明系
JP4672006B2 (ja) * 2005-03-01 2011-04-20 シャープ株式会社 バックライトユニットおよび液晶表示装置
US8152349B2 (en) * 2009-01-15 2012-04-10 Microsoft Corporation End reflector for a flat panel lens
TWM473611U (zh) * 2013-04-19 2014-03-01 Chin-Piao Kuo 平面光源裝置
WO2017094209A1 (ja) * 2015-11-30 2017-06-08 パナソニックＩｐマネジメント株式会社 映像表示装置および映像表示装置を搭載したヘッドアップディスプレイ

Also Published As

Publication number Publication date
US20210088711A1 (en) 2021-03-25
KR20200138758A (ko) 2020-12-10
JP2021519496A (ja) 2021-08-10
WO2019186391A1 (en) 2019-10-03

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