CN110462286A - 光导 - Google Patents

光导 Download PDF

Info

Publication number
CN110462286A
CN110462286A CN201880020642.4A CN201880020642A CN110462286A CN 110462286 A CN110462286 A CN 110462286A CN 201880020642 A CN201880020642 A CN 201880020642A CN 110462286 A CN110462286 A CN 110462286A
Authority
CN
China
Prior art keywords
light guide
face
discrete features
features
extended
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
CN201880020642.4A
Other languages
English (en)
Chinese (zh)
Inventor
罗伯特·M·埃蒙斯
大卫·A·罗森
尼古拉斯·A·约翰逊
加里·T·博伊德
特雷弗·W·施托尔
欧文·M·安德森
格雷厄姆·M·克拉克
丹尼尔·M·楚普瑞恩斯基
爱德华·C·罗伯茨
克里斯蒂·A·吉勒特
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of CN110462286A publication Critical patent/CN110462286A/zh
Pending legal-status Critical Current

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
    • G02B6/0038—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
    • G02B6/0033—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
    • G02B6/0065—Manufacturing aspects; Material aspects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
CN201880020642.4A 2017-03-31 2018-03-12 光导 Pending CN110462286A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762479842P 2017-03-31 2017-03-31
US62/479,842 2017-03-31
PCT/IB2018/051629 WO2018178790A1 (en) 2017-03-31 2018-03-12 Lightguide

Publications (1)

Publication Number Publication Date
CN110462286A true CN110462286A (zh) 2019-11-15

Family

ID=63674538

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880020642.4A Pending CN110462286A (zh) 2017-03-31 2018-03-12 光导

Country Status (5)

Country Link
US (1) US10775547B2 (enExample)
JP (1) JP7394625B2 (enExample)
CN (1) CN110462286A (enExample)
TW (1) TW201839435A (enExample)
WO (1) WO2018178790A1 (enExample)

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EP3458897B1 (en) 2016-05-19 2025-04-02 RealD Spark, LLC Wide angle imaging directional backlights
CN110809732B (zh) 2017-05-08 2025-01-10 瑞尔D斯帕克有限责任公司 用于成像定向背光源的光学叠堆
TWI878209B (zh) 2017-09-15 2025-04-01 美商瑞爾Ｄ斯帕克有限責任公司 顯示裝置及應用於顯示裝置的視角控制光學元件
AU2019211358B2 (en) 2018-01-25 2024-10-10 Reald Spark, Llc Reflective optical stack for privacy display
JP7353007B2 (ja) 2018-01-25 2023-09-29 リアルディー スパーク エルエルシー プライバシー表示用タッチスクリーン
JP7495027B2 (ja) * 2018-03-22 2024-06-04 リアルディー スパーク エルエルシー 光導波路、バックライト装置およびディスプレイ装置
WO2020005748A1 (en) 2018-06-29 2020-01-02 Reald Spark, Llc Optical stack for privacy display
WO2020018552A1 (en) 2018-07-18 2020-01-23 Reald Spark, Llc Optical stack for switchable directional display
WO2020072643A1 (en) 2018-10-03 2020-04-09 Reald Spark, Llc Privacy display control apparatus
JP7583715B2 (ja) 2018-11-07 2024-11-14 リアルディー スパーク エルエルシー 指向性ディスプレイ装置
TW202102883A (zh) 2019-07-02 2021-01-16 美商瑞爾Ｄ斯帕克有限責任公司 定向顯示設備
EP4058830B1 (en) 2019-11-13 2025-01-01 RealD Spark, LLC Display device with uniform off-axis luminance reduction
CN114761844A (zh) 2019-12-10 2022-07-15 瑞尔D斯帕克有限责任公司 显示装置的反射的控制
US11237417B2 (en) 2020-04-30 2022-02-01 Reald Spark, Llc Directional display apparatus
TWI898003B (zh) 2020-07-29 2025-09-21 美商瑞爾Ｄ斯帕克有限責任公司 光瞳照明裝置
TWI770718B (zh) * 2020-12-11 2022-07-11 達運精密工業股份有限公司 背光模組
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
WO2023154217A1 (en) 2022-02-09 2023-08-17 Reald Spark, Llc Observer-tracked privacy display
US20240369869A1 (en) 2023-04-25 2024-11-07 Reald Spark, Llc Switchable privacy display
US12393066B2 (en) 2023-08-03 2025-08-19 Reald Spark, Llc Privacy displays

Citations (6)

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US20040061944A1 (en) * 1997-04-22 2004-04-01 Dai Nippon Printing Co., Ltd. Optical sheet lamination
CN201159778Y (zh) * 2008-01-04 2008-12-03 扬昕精密股份有限公司 导光板及具有该导光板的侧光式背光模块
CN101329423A (zh) * 2007-06-21 2008-12-24 胜华科技股份有限公司 导光板及背光模组
CN101398149A (zh) * 2007-09-27 2009-04-01 斯坦雷电气株式会社 面光源用导光板
KR20110039129A (ko) * 2009-10-09 2011-04-15 엘지이노텍 주식회사 조명장치
CN102866452A (zh) * 2011-07-05 2013-01-09 松下电器产业株式会社 导光板和面光源装置

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US5995690A (en) 1996-11-21 1999-11-30 Minnesota Mining And Manufacturing Company Front light extraction film for light guiding systems and method of manufacture
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US6905772B2 (en) 2000-05-23 2005-06-14 Triton Systems, Inc. Abrasion and impact resistant coating compositions, and articles coated therewith
US20060141220A1 (en) * 2004-12-23 2006-06-29 Merrill William W Uniaxially oriented article having a structured surface
WO2008069320A1 (ja) 2006-12-08 2008-06-12 Mitsubishi Rayon Co., Ltd., レンズシート、面光源装置及び液晶表示装置
CN102171593A (zh) 2008-08-08 2011-08-31 3M创新有限公司 具有粘弹性层的用于控制光的光导
TWI397743B (zh) * 2008-08-22 2013-06-01 Shenzhen China Star Optoelect 稜鏡片及背光模組
TWI369546B (en) * 2008-12-03 2012-08-01 Au Optronics Corp Light guide plate microstructure
KR101178722B1 (ko) * 2009-12-23 2012-08-31 제일모직주식회사 액정표시장치 백라이트 유닛용 도광판 및 이를 이용한 액정표시장치 백라이트 유닛
KR101184449B1 (ko) 2009-12-28 2012-09-21 제일모직주식회사 패턴 도광판, 그 제조방법 및 이를 이용한 액정표시장치 백라이트 유닛
TWI475257B (zh) 2010-03-26 2015-03-01 Ubright Optronics Corp 具有光準直及擴散結構的光學基板
JP5068865B2 (ja) 2010-04-09 2012-11-07 シャープ株式会社 光源モジュール、およびそれを備えた電子機器
US9182530B2 (en) * 2010-05-31 2015-11-10 Dai Nippon Printing Co., Ltd. Light guide plate with tapering unit optical elements
JP5351126B2 (ja) 2010-11-05 2013-11-27 株式会社東芝 面光源
JP6465547B2 (ja) 2011-02-03 2019-02-06 スリーエム イノベイティブ プロパティズ カンパニー ハードコート
WO2012114248A1 (en) 2011-02-22 2012-08-30 Koninklijke Philips Electronics N.V. Light collimator and lighting unit comprising such light collimator
JP5927536B2 (ja) 2011-07-05 2016-06-01 パナソニックＩｐマネジメント株式会社 導光板および面光源装置
CN103162177B (zh) 2011-12-16 2015-07-15 奇美实业股份有限公司 侧光式背光模组及导光板
JP2014075309A (ja) 2012-10-05 2014-04-24 Toppan Printing Co Ltd 導光板及びこれを用いたバックライトユニット並びに表示装置
US20160033707A1 (en) 2014-07-31 2016-02-04 Samsung Sdi Co., Ltd. Light guide plate, method for fabricating the same, backlight unit including the same, and liquid crystal display including the same
JP2016066578A (ja) * 2014-09-22 2016-04-28 大日本印刷株式会社 面光源装置および表示装置
KR101608963B1 (ko) * 2015-06-19 2016-04-04 (주)코이즈 복합 패턴 도광판 및 그 제조방법
JP6276373B2 (ja) 2016-12-06 2018-02-07 富士フイルム株式会社 導光板、これを含むバックライトユニットおよび液晶表示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040061944A1 (en) * 1997-04-22 2004-04-01 Dai Nippon Printing Co., Ltd. Optical sheet lamination
CN101329423A (zh) * 2007-06-21 2008-12-24 胜华科技股份有限公司 导光板及背光模组
CN101398149A (zh) * 2007-09-27 2009-04-01 斯坦雷电气株式会社 面光源用导光板
CN201159778Y (zh) * 2008-01-04 2008-12-03 扬昕精密股份有限公司 导光板及具有该导光板的侧光式背光模块
KR20110039129A (ko) * 2009-10-09 2011-04-15 엘지이노텍 주식회사 조명장치
CN102866452A (zh) * 2011-07-05 2013-01-09 松下电器产业株式会社 导光板和面光源装置

Also Published As

Publication number Publication date
US10775547B2 (en) 2020-09-15
JP7394625B2 (ja) 2023-12-08
JP2020516032A (ja) 2020-05-28
US20200103578A1 (en) 2020-04-02
WO2018178790A1 (en) 2018-10-04
TW201839435A (zh) 2018-11-01

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Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20191115

RJ01 Rejection of invention patent application after publication