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
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JP2019553814A
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English (en)
Japanese (ja)
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JP2020516032A (ja
JP2020516032A5 (https=
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
Application granted granted Critical
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 (https=) 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 (https=)
JP (1) JP7394625B2 (https=)
CN (1) CN110462286A (https=)
TW (1) TW201839435A (https=)
WO (1) WO2018178790A1 (https=)

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WO2017200950A1 (en) 2016-05-19 2017-11-23 Reald Spark, Llc Wide angle imaging directional backlights
EP3622347A4 (en) 2017-05-08 2020-12-23 RealD Spark, LLC OPTICAL STACKING FOR DIRECTIONAL BACKLIGHT IMAGING
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
EP3743766B1 (en) 2018-01-25 2026-02-11 RealD Spark, LLC Touch screen for privacy display
TWI827580B (zh) 2018-01-25 2024-01-01 美商瑞爾Ｄ斯帕克有限責任公司 用於防窺顯示裝置之反射式光學堆疊物
EP3769516B1 (en) 2018-03-22 2025-06-25 RealD Spark, LLC Optical waveguide for directional backlight
US10955715B2 (en) 2018-06-29 2021-03-23 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
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
TWI912252B (zh) 2019-07-02 2026-01-21 美商瑞爾Ｄ斯帕克有限責任公司 定向顯示設備
WO2021097066A1 (en) 2019-11-13 2021-05-20 Reald Spark, Llc Off-axis display device
US11796828B2 (en) 2019-12-10 2023-10-24 Reald Spark, Llc Control of reflections of a display device
CN115768642A (zh) 2020-04-30 2023-03-07 瑞尔D斯帕克有限责任公司 定向显示设备
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
TW202332973A (zh) 2022-02-09 2023-08-16 美商瑞爾Ｄ斯帕克有限責任公司 具均勻減低偏軸亮度之顯示裝置
US11977286B2 (en) 2022-02-09 2024-05-07 Reald Spark, Llc Observer-tracked privacy display
EP4705827A1 (en) 2023-04-25 2026-03-11 RealD Spark, LLC Switchable privacy display
WO2025030030A2 (en) 2023-08-03 2025-02-06 Reald Spark, Llc Privacy displays

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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

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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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US6322236B1 (en) 1999-02-09 2001-11-27 3M Innovative Properties Company Optical film with defect-reducing surface and method for making same
AU2515200A (en) 1999-09-20 2001-04-24 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
JP5349041B2 (ja) 2006-12-08 2013-11-20 三菱レイヨン株式会社 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
CN107037526A (zh) 2008-08-08 2017-08-11 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
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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
TWI526718B (zh) 2010-03-26 2016-03-21 友輝光電股份有限公司 在一基板上形成一凹凸結構的方法與模具制作的方法
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
KR20130117645A (ko) * 2010-05-31 2013-10-28 다이니폰 인사츠 가부시키가이샤 도광판, 면 광원 장치 및 표시 장치
JP5351126B2 (ja) 2010-11-05 2013-11-27 株式会社東芝 面光源
KR102010937B1 (ko) 2011-02-03 2019-08-14 쓰리엠 이노베이티브 프로퍼티즈 컴파니 하드코트
CN103392137B (zh) 2011-02-22 2017-03-08 皇家飞利浦有限公司 光准直器和包含这种光准直器的照明单元
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
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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
US20200103578A1 (en) 2020-04-02
JP2020516032A (ja) 2020-05-28
WO2018178790A1 (en) 2018-10-04
US10775547B2 (en) 2020-09-15
TW201839435A (zh) 2018-11-01
CN110462286A (zh) 2019-11-15

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