JP7394625B2 - 光ガイド - Google Patents

光ガイド Download PDF

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Publication number
JP7394625B2
JP7394625B2 JP2019553814A JP2019553814A JP7394625B2 JP 7394625 B2 JP7394625 B2 JP 7394625B2 JP 2019553814 A JP2019553814 A JP 2019553814A JP 2019553814 A JP2019553814 A JP 2019553814A JP 7394625 B2 JP7394625 B2 JP 7394625B2
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JP
Japan
Prior art keywords
light guide
features
discrete
feature
major surface
Prior art date
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Active
Application number
JP2019553814A
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English (en)
Japanese (ja)
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JP2020516032A5 (enExample
JP2020516032A (ja
Inventor
エム． エモンズ，ロバート
エー． ローゼン，デイヴィッド
エー． ジョンソン，ニコラス
ティー． ボイド，ゲイリー
ダブリュ． ストルバー，トレヴァー
エム． アンダーソン，オーウェン
エム． クラーク，グラハム
エー． クリスティ，シェリー
シー． ロバーツ，エドワード
エー． ジレット，クリスティ
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication date
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Publication of JP2020516032A publication Critical patent/JP2020516032A/ja
Publication of JP2020516032A5 publication Critical patent/JP2020516032A5/ja
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Publication of JP7394625B2 publication Critical patent/JP7394625B2/ja
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    • 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

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  • 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)
JP2019553814A 2017-03-31 2018-03-12 光ガイド Active JP7394625B2 (ja)

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 (3)

Publication Number Publication Date
JP2020516032A JP2020516032A (ja) 2020-05-28
JP2020516032A5 JP2020516032A5 (enExample) 2021-04-22
JP7394625B2 true JP7394625B2 (ja) 2023-12-08

Family

ID=63674538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019553814A Active JP7394625B2 (ja) 2017-03-31 2018-03-12 光ガイド

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)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3458897B1 (en) 2016-05-19 2025-04-02 RealD Spark, LLC Wide angle imaging directional backlights
WO2018208618A1 (en) 2017-05-08 2018-11-15 Reald Spark, Llc Optical stack for imaging directional backlights
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
CN111919162B (zh) 2018-01-25 2024-05-24 瑞尔D斯帕克有限责任公司 用于隐私显示器的触摸屏
WO2019147762A1 (en) 2018-01-25 2019-08-01 Reald Spark, Llc Reflective optical stack for privacy display
WO2019183525A1 (en) 2018-03-22 2019-09-26 Reald Spark, Llc Optical waveguide for directional backlight
CN112639591B (zh) 2018-06-29 2025-06-06 瑞尔D斯帕克有限责任公司 隐私显示的稳定化
CN112602011A (zh) 2018-07-18 2021-04-02 瑞尔D斯帕克有限责任公司 用于可切换定向显示器的光学堆叠
US11106103B2 (en) 2018-10-03 2021-08-31 Reald Spark, Llc Privacy display apparatus controlled in response to environment of apparatus
WO2020097156A1 (en) 2018-11-07 2020-05-14 Reald Spark, Llc Directional display apparatus
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
JP7643782B2 (ja) 2019-11-13 2025-03-11 リアルディー スパーク エルエルシー 軸外ディスプレイデバイス
EP4073560A4 (en) 2019-12-10 2024-02-21 RealD Spark, LLC REFLECTION CONTROL OF A DISPLAY DEVICE
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
WO2025030030A2 (en) 2023-08-03 2025-02-06 Reald Spark, Llc Privacy displays

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2017054827A (ja) 2016-12-06 2017-03-16 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

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09292532A (ja) * 1996-04-30 1997-11-11 Hokuto Seisakusho:Kk 液晶表示用導光板とその成形方法
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
US5995288A (en) 1997-04-22 1999-11-30 Dai Nippon Printing Co., Ltd. Optical sheet optical sheet lamination light source device, and light-transmissive type display apparatus
US6322236B1 (en) 1999-02-09 2001-11-27 3M Innovative Properties Company Optical film with defect-reducing surface and method for making same
WO2001022129A1 (en) 1999-09-20 2001-03-29 3M Innovative Properties Company Optical films having at least one particle-containing layer
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
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
JP5066741B2 (ja) * 2007-09-27 2012-11-07 スタンレー電気株式会社 面光源用導光板
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
JP2011530718A (ja) 2008-08-08 2011-12-22 スリーエム イノベイティブ プロパティズ カンパニー 光を管理するための粘弾性層を有する光ガイド
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
KR101064030B1 (ko) * 2009-10-09 2011-09-08 엘지이노텍 주식회사 조명장치
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
TWI625555B (zh) 2010-03-26 2018-06-01 友輝光電股份有限公司 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
WO2011151942A1 (ja) * 2010-05-31 2011-12-08 大日本印刷株式会社 導光板、面光源装置および表示装置
JP5351126B2 (ja) 2010-11-05 2013-11-27 株式会社東芝 面光源
CN103403073B (zh) 2011-02-03 2015-10-14 3M创新有限公司 硬涂膜
EP2678720B1 (en) 2011-02-22 2019-04-10 Signify Holding B.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
CN102866452B (zh) * 2011-07-05 2016-04-20 松下知识产权经营株式会社 导光板和面光源装置
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
CN105319641A (zh) 2014-07-31 2016-02-10 三星Sdi株式会社 光导板、制造光导板的方法、背光单元以及液晶显示器
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2017054827A (ja) 2016-12-06 2017-03-16 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

Also Published As

Publication number Publication date
WO2018178790A1 (en) 2018-10-04
US20200103578A1 (en) 2020-04-02
CN110462286A (zh) 2019-11-15
US10775547B2 (en) 2020-09-15
JP2020516032A (ja) 2020-05-28
TW201839435A (zh) 2018-11-01

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