JP5702151B2 - 構造化フィルムを有する中空のバックライト - Google Patents

構造化フィルムを有する中空のバックライト Download PDF

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Publication number
JP5702151B2
JP5702151B2 JP2010546037A JP2010546037A JP5702151B2 JP 5702151 B2 JP5702151 B2 JP 5702151B2 JP 2010546037 A JP2010546037 A JP 2010546037A JP 2010546037 A JP2010546037 A JP 2010546037A JP 5702151 B2 JP5702151 B2 JP 5702151B2
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JP
Japan
Prior art keywords
light
backlight
film
recycling film
reflector
Prior art date
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Expired - Fee Related
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JP2010546037A
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English (en)
Japanese (ja)
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JP2011514624A (ja
JP2011514624A5 (https=
Inventor
ビー． オニール，マーク
ビー． オニール，マーク
ディー． ハート，シャンドン
ディー． ハート，シャンドン
エー． エプステイン，ケネス
エー． エプステイン，ケネス
ジー． フライアー，デイビッド
ジー． フライアー，デイビッド
ジェイ． ラム，デイビッド
ジェイ． ラム，デイビッド
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication of JP2011514624A publication Critical patent/JP2011514624A/ja
Publication of JP2011514624A5 publication Critical patent/JP2011514624A5/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
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • 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
    • G02B6/0051—Diffusing sheet or layer
    • 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
    • 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
    • G02B6/0055—Reflecting element, sheet or layer

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2010546037A 2008-02-07 2009-02-06 構造化フィルムを有する中空のバックライト Expired - Fee Related JP5702151B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2687608P 2008-02-07 2008-02-07
US61/026,876 2008-02-07
PCT/US2009/033356 WO2009100307A1 (en) 2008-02-07 2009-02-06 Hollow backlight with structured films

Publications (3)

Publication Number Publication Date
JP2011514624A JP2011514624A (ja) 2011-05-06
JP2011514624A5 JP2011514624A5 (https=) 2012-03-22
JP5702151B2 true JP5702151B2 (ja) 2015-04-15

Family

ID=40809604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010546037A Expired - Fee Related JP5702151B2 (ja) 2008-02-07 2009-02-06 構造化フィルムを有する中空のバックライト

Country Status (7)

Country Link
US (1) US8848132B2 (https=)
EP (1) EP2255231A1 (https=)
JP (1) JP5702151B2 (https=)
KR (1) KR101571576B1 (https=)
CN (1) CN101939675A (https=)
TW (1) TWI494655B (https=)
WO (1) WO2009100307A1 (https=)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2160644B1 (en) * 2007-05-20 2019-05-01 3M Innovative Properties Company Semi-specular components in hollow cavity light recycling backlights
US9028108B2 (en) 2007-05-20 2015-05-12 3M Innovative Properties Company Collimating light injectors for edge-lit backlights
CN101681057B (zh) * 2007-05-20 2012-07-04 3M创新有限公司 光循环型薄壁中空腔体背光源
CN101681597A (zh) * 2007-05-20 2010-03-24 3M创新有限公司 有效利用有色led光源的白光背光源等
US8469575B2 (en) * 2007-05-20 2013-06-25 3M Innovative Properties Company Backlight and display system using same
EP2252828A1 (en) 2008-02-22 2010-11-24 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
US8757858B2 (en) * 2008-06-04 2014-06-24 3M Innovative Properties Company Hollow backlight with tilted light source
CN102224448B (zh) * 2008-10-27 2015-06-10 3M创新有限公司 具有梯度提取的半镜面中空背光源
KR20100052274A (ko) * 2008-11-10 2010-05-19 삼성전자주식회사 일체형 도광판을 채용한 반사 투과형 디스플레이 장치
DE102009033287A1 (de) * 2009-07-15 2011-01-20 Osram Opto Semiconductors Gmbh Leuchtdiode und Verfahren zur Herstellung einer Leuchtdiode
US9341887B2 (en) 2009-09-11 2016-05-17 Dolby Laboratories Licensing Corporation Displays with a backlight incorporating reflecting layer
WO2011050254A1 (en) * 2009-10-24 2011-04-28 3M Innovative Properties Company Light source and display system incorporating same
KR101414103B1 (ko) * 2009-12-08 2014-07-02 엘지디스플레이 주식회사 투명 액정표시소자
US20110241977A1 (en) * 2010-04-01 2011-10-06 Microsoft Corporation Enhanced viewing brightness for surface display
CN102748649B (zh) * 2011-04-20 2015-08-12 群康科技(深圳)有限公司 直下式背光模块及应用其的显示装置
US8797480B2 (en) * 2011-10-18 2014-08-05 Dai Nippon Printing Co., Ltd. Light guide plate, surface light source device, and display device
WO2013059226A1 (en) * 2011-10-20 2013-04-25 3M Innovative Properties Company Illumination systems with sloped transmission spectrum front reflector
JP2013120266A (ja) * 2011-12-07 2013-06-17 Dainippon Printing Co Ltd 光学モジュールおよび表示装置
JP6089429B2 (ja) * 2012-03-30 2017-03-08 大日本印刷株式会社 表示装置
JP5602329B2 (ja) * 2012-07-31 2014-10-08 三菱電機株式会社 面光源装置及び液晶表示装置
US9989692B2 (en) * 2012-10-08 2018-06-05 Corning Incorporated Methods and apparatus for providing improved display components
KR102034890B1 (ko) * 2012-10-24 2019-10-22 삼성전자주식회사 곡면 디스플레이 장치
KR101580229B1 (ko) * 2012-12-27 2015-12-24 주식회사 엘엠에스 광학시트 모듈
US8915002B2 (en) * 2013-01-31 2014-12-23 3M Innovative Properties Company Self illuminated signage for printed graphics
CN103162184A (zh) * 2013-02-22 2013-06-19 青岛海信电器股份有限公司 一种led背光模组及电子设备
US9082326B2 (en) * 2013-05-02 2015-07-14 3M Innovative Properties Company Self illuminated shaped and two-sided signage for printed graphics
CN103336387B (zh) * 2013-07-05 2015-12-02 深圳市华星光电技术有限公司 侧光式背光源及具有该背光源的液晶显示器
US9322975B2 (en) 2013-07-05 2016-04-26 Shenzhen China Star Optoelectronics Technology Co., Ltd. Side-lighting backlight and liquid crystal display comprising the same
KR102106045B1 (ko) * 2013-10-07 2020-04-29 엘지디스플레이 주식회사 양자점을 이용한 백라이트 유닛을 구비한 액정표시장치
US9070312B2 (en) 2013-11-05 2015-06-30 3M Innovative Properties Company Hybrid self illuminated and actively back lit signage for printed graphics
CN104633538B (zh) * 2013-11-14 2017-10-13 中强光电股份有限公司 光调整膜片以及使用其的背光模块
CN105829103B (zh) 2013-12-20 2018-10-19 3M创新有限公司 边缘侵入得到改善的量子点制品
KR101525535B1 (ko) * 2014-01-10 2015-06-03 주식회사 엘엠에스 광학시트 조립체 및 이를 포함하는 백라이트 유닛
KR20160132903A (ko) 2014-03-10 2016-11-21 쓰리엠 이노베이티브 프로퍼티즈 캄파니 티올-치환된 실리콘을 포함하는 복합 나노입자
US9574132B2 (en) 2014-04-02 2017-02-21 3M Innovative Properties Company Composite nanoparticles including a thioether ligand
JP6656183B2 (ja) 2014-07-03 2020-03-04 スリーエム イノベイティブ プロパティズ カンパニー エッジ侵入を低減し色安定性を改善した量子ドット物品
EP3221421B1 (en) 2014-11-17 2019-06-26 3M Innovative Properties Company Quantum dot article with thiol-alkene matrix
CN104676379B (zh) * 2015-02-26 2017-06-30 深圳市华星光电技术有限公司 背光模组及包含其的液晶显示装置
KR101710097B1 (ko) * 2015-04-03 2017-02-27 주식회사 엘엠에스 광학시트 및 이를 구비한 백라이트 유닛
US10519366B2 (en) 2015-04-16 2019-12-31 3M Innovative Properties Company Quantum dot article with thiol-epoxy matrix
US10233387B2 (en) 2015-04-16 2019-03-19 3M Innovative Properties Company Quantum dot article with thiol-alkene-epoxy matrix
US10705266B2 (en) 2015-08-05 2020-07-07 3M Innovative Properties Company Optical diffusing film laminate and method of making
CN107922832B (zh) 2015-08-19 2021-05-25 3M创新有限公司 全氟醚稳定化量子点
CN108026444B (zh) 2015-09-15 2020-08-04 3M创新有限公司 添加剂稳定的复合纳米粒子
JP2018529832A (ja) 2015-09-15 2018-10-11 スリーエム イノベイティブ プロパティズ カンパニー 添加剤安定化複合ナノ粒子
EP3377591A1 (en) 2015-11-18 2018-09-26 3M Innovative Properties Company Copolymeric stabilizing carrier fluid for nanoparticles
WO2017142782A1 (en) 2016-02-17 2017-08-24 3M Innovative Properties Company Quantum dots with stabilizing fluorochemical copolymers
WO2017142781A1 (en) 2016-02-17 2017-08-24 3M Innovative Properties Company Matrix for quantum dot film article
KR20180128956A (ko) 2016-04-01 2018-12-04 쓰리엠 이노베이티브 프로퍼티즈 컴파니 플루오로케미칼 안정화제를 갖는 양자점
WO2017200950A1 (en) 2016-05-19 2017-11-23 Reald Spark, Llc Wide angle imaging directional backlights
KR20190009763A (ko) 2016-05-20 2019-01-29 쓰리엠 이노베이티브 프로퍼티즈 컴파니 혼합 아민 및 티올 리간드를 갖는 양자점
CN109312908A (zh) * 2016-06-10 2019-02-05 3M创新有限公司 再循环背光源
CN109476987A (zh) 2016-07-20 2019-03-15 3M创新有限公司 用于量子点的稳定苯乙烯系聚合物
US11345849B2 (en) 2016-07-20 2022-05-31 3M Innovative Properties Company Stabilizing styrenic polymer for quantum dots
KR20190051989A (ko) 2016-09-19 2019-05-15 쓰리엠 이노베이티브 프로퍼티즈 컴파니 작용성 아미노실리콘으로 안정화된 형광 나노입자
WO2018167645A1 (en) 2017-03-14 2018-09-20 3M Innovative Properties Company Additive stabilized composite nanoparticles
CN108692221B (zh) 2017-04-11 2020-09-11 台湾扬昕股份有限公司 光源模块及其棱镜片
US11327358B2 (en) 2017-05-08 2022-05-10 Reald Spark, Llc Optical stack for directional display
EP3622347A4 (en) 2017-05-08 2020-12-23 RealD Spark, LLC OPTICAL STACKING FOR DIRECTIONAL BACKLIGHT IMAGING
CN110709641B (zh) * 2017-06-06 2021-08-10 3M创新有限公司 包括宽幅转向膜和具有四分之一波长延迟器的反射偏振片的背光源
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
US11115647B2 (en) 2017-11-06 2021-09-07 Reald Spark, Llc Privacy display apparatus
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
WO2019177755A1 (en) * 2018-03-13 2019-09-19 Apple Inc. Displays with direct-lit backlight units
EP3769516B1 (en) 2018-03-22 2025-06-25 RealD Spark, LLC Optical waveguide for directional backlight
JP7102967B2 (ja) * 2018-06-21 2022-07-20 船井電機株式会社 画像表示装置
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
JP6919644B2 (ja) * 2018-12-03 2021-08-18 セイコーエプソン株式会社 光源装置およびプロジェクター
WO2020146091A1 (en) * 2019-01-07 2020-07-16 Reald Spark, Llc Optical stack for privacy display
EP3924776B1 (en) 2019-02-12 2024-07-10 RealD Spark, LLC Display device with diffuser for privacy display
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
US11927855B2 (en) 2019-08-19 2024-03-12 3M Innovative Properties Company Display system
US11822158B2 (en) 2019-09-11 2023-11-21 Brightview Technologies, Inc. Back light unit for backlit displays
WO2021050523A1 (en) 2019-09-11 2021-03-18 Bright View Technologies Corporation Back light unit for backlit displays
EP4438945B1 (en) 2019-10-02 2025-09-03 RealD Spark, LLC Privacy display apparatus
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
US11353752B2 (en) 2020-04-30 2022-06-07 Reald Spark, Llc Directional display apparatus
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
EP4143631A4 (en) 2020-04-30 2024-05-29 RealD Spark, LLC DIRECTION INDICATOR
EP4189285A4 (en) 2020-07-29 2024-07-24 RealD Spark, LLC BACKLIGHT FOR SWITCHABLE DIRECTIONAL DISPLAY
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
KR102251625B1 (ko) * 2020-10-05 2021-05-12 이승현 리플렉션 앵글의 선택적 조절이 가능한 플렉시블 반사 시트 시스템
US11740471B2 (en) 2020-12-04 2023-08-29 Meta Platforms Technologies, Llc Display device with transparent illuminator
US12360418B2 (en) * 2020-12-18 2025-07-15 Brightview Technologies, Inc. Edge-lit back light unit using prism microstructures
US12147122B2 (en) 2021-05-21 2024-11-19 3M Innovative Properties Company Backlight with collimating reflective polarizer
CN117795318A (zh) * 2021-08-02 2024-03-29 3M创新有限公司 光学系统、光学构造体、光学循环多孔板和光学检测系统
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
CN116931160A (zh) * 2022-04-01 2023-10-24 瑞仪光电(南京)有限公司 于光学膜片上设计多个锥状结构的背光模组及显示装置
US12248164B2 (en) * 2022-04-01 2025-03-11 Radiant Opto-Electronics Corporation Display device and backlight module thereof
WO2023196440A1 (en) 2022-04-07 2023-10-12 Reald Spark, Llc Directional display apparatus
EP4705827A1 (en) 2023-04-25 2026-03-11 RealD Spark, LLC Switchable privacy display
CN221079143U (zh) 2023-05-22 2024-06-04 亮视技术公司 背光单元
WO2025030030A2 (en) 2023-08-03 2025-02-06 Reald Spark, Llc Privacy displays
US12416757B2 (en) * 2024-01-09 2025-09-16 Amazon Technologies, Inc. Front light for use with reflective displays

Family Cites Families (215)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5816677A (en) * 1905-03-01 1998-10-06 Canon Kabushiki Kaisha Backlight device for display apparatus
US3610729A (en) 1969-06-18 1971-10-05 Polaroid Corp Multilayered light polarizer
US3711176A (en) 1971-01-14 1973-01-16 Dow Chemical Co Highly reflective thermoplastic bodies for infrared, visible or ultraviolet light
US3884606A (en) 1971-10-01 1975-05-20 Dow Chemical Co Apparatus for multilayer coextrusion of sheet or film
BE789478A (fr) 1971-10-01 1973-03-29 Dow Chemical Co Procede et dispositif d'extrusion de matieres plastiques en feuilles multicouches
US4040727A (en) * 1975-09-10 1977-08-09 Rockwell International Corporation Transflector
US4446305A (en) 1981-03-02 1984-05-01 Polaroid Corporation Optical device including birefringent polymer
US4456336A (en) 1981-10-06 1984-06-26 Minnesota Mining And Manufacturing Company High brightness internal reflector for liquid crystal displays and its method of fabrication
US4540623A (en) 1983-10-14 1985-09-10 The Dow Chemical Company Coextruded multi-layered articles
US4791540A (en) 1987-05-26 1988-12-13 Minnesota Mining And Manufacturing Company Light fixture providing normalized output
US4964025A (en) 1988-10-05 1990-10-16 Hewlett-Packard Company Nonimaging light source
DE69025341T2 (de) 1989-12-22 1996-08-29 Sarnoff David Res Center Rastersequentielles Anzeigesystem mit einer von der Rückseite beleuchtbaren Anordnung von Flüssigkristallbildelementen und Verfahren zur Bilderzeugung
US5136479A (en) 1990-06-19 1992-08-04 E-Systems, Inc. Device and method for creating an areal light source
US5103337A (en) 1990-07-24 1992-04-07 The Dow Chemical Company Infrared reflective optical interference film
US5126880A (en) 1990-12-18 1992-06-30 The Dow Chemical Company Polymeric reflective bodies with multiple layer types
US5586013A (en) 1991-07-19 1996-12-17 Minnesota Mining And Manufacturing Company Nonimaging optical illumination system
US5528720A (en) 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
DE69325283T2 (de) 1992-10-29 1999-11-04 Minnesota Mining & Mfg Formbarer reflektierender multischichtenkörper
JPH0772815A (ja) 1992-12-15 1995-03-17 Koito Mfg Co Ltd 液晶表示装置
TW289095B (https=) 1993-01-11 1996-10-21
US5360659A (en) 1993-05-24 1994-11-01 The Dow Chemical Company Two component infrared reflecting film
JPH0794008A (ja) 1993-09-24 1995-04-07 Chiyatani Sangyo Kk 面照明装置
US5381309A (en) 1993-09-30 1995-01-10 Honeywell Inc. Backlit display with enhanced viewing properties
US5440197A (en) 1993-10-05 1995-08-08 Tir Technologies, Inc. Backlighting apparatus for uniformly illuminating a display panel
EP0736187B1 (en) 1993-12-21 2002-04-03 Minnesota Mining And Manufacturing Company Optical polarizer
US5828488A (en) 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
US5882774A (en) 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
JP4091978B2 (ja) 1993-12-21 2008-05-28 スリーエム カンパニー 明るさを強化した反射偏光子
AU1866395A (en) 1993-12-21 1995-07-10 Minnesota Mining And Manufacturing Company Multilayered optical film
KR100407210B1 (ko) 1993-12-21 2004-05-31 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 반사편광기디스플레이
WO1996027757A1 (en) 1995-03-03 1996-09-12 Minnesota Mining And Manufacturing Company Light directing film having variable height structured surface and light directing article constructed therefrom
US5751388A (en) 1995-04-07 1998-05-12 Honeywell Inc. High efficiency polarized display
JP3187280B2 (ja) 1995-05-23 2001-07-11 シャープ株式会社 面照明装置
JPH095737A (ja) 1995-06-19 1997-01-10 Canon Inc バックライト装置及びそれを備えた液晶表示装置
DE69629471T2 (de) 1995-06-26 2004-06-09 Minnesota Mining And Mfg. Co., Saint Paul Hintergrundbeleuchtungsvorrichtung mit mehrschichtfilmreflektor
AU6390396A (en) 1995-06-26 1997-01-30 Minnesota Mining And Manufacturing Company Multilayer polymer film with additional coatings or layers
US6080467A (en) 1995-06-26 2000-06-27 3M Innovative Properties Company High efficiency optical devices
JP3935936B2 (ja) 1995-06-26 2007-06-27 スリーエム カンパニー 反射偏光型半透過反射体を備えた半透過反射型ディスプレイ
US6712481B2 (en) 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
US5971551A (en) 1995-07-07 1999-10-26 Arch Development Corporation Nonimaging optical concentrators and illuminators
US5867316A (en) 1996-02-29 1999-02-02 Minnesota Mining And Manufacturing Company Multilayer film having a continuous and disperse phase
US5825543A (en) 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
US6600175B1 (en) 1996-03-26 2003-07-29 Advanced Technology Materials, Inc. Solid state white light emitter and display using same
JP3409587B2 (ja) 1996-05-14 2003-05-26 オムロン株式会社 光路変換光学素子、画像表示装置及び光投射器
US5845038A (en) 1997-01-28 1998-12-01 Minnesota Mining And Manufacturing Company Optical fiber illumination system
US6280063B1 (en) 1997-05-09 2001-08-28 3M Innovative Properties Company Brightness enhancement article
JPH1172625A (ja) 1997-06-30 1999-03-16 Toshiba Lighting & Technol Corp バックライト及びこれを用いた液晶表示装置
US5976686A (en) 1997-10-24 1999-11-02 3M Innovative Properties Company Diffuse reflective articles
US6157486A (en) 1998-01-13 2000-12-05 3M Innovative Properties Company Retroreflective dichroic reflector
CA2316974A1 (en) 1998-01-13 1999-07-22 Minnesota Mining And Manufacturing Company Process for making multilayer optical films
US6808658B2 (en) 1998-01-13 2004-10-26 3M Innovative Properties Company Method for making texture multilayer optical films
US6531230B1 (en) 1998-01-13 2003-03-11 3M Innovative Properties Company Color shifting film
JP4274696B2 (ja) 1998-01-13 2009-06-10 スリーエム カンパニー 変性コポリエステルおよび改善された多層反射フィルム
US6157490A (en) 1998-01-13 2000-12-05 3M Innovative Properties Company Optical film with sharpened bandedge
CN1721891A (zh) 1998-01-28 2006-01-18 美国3M公司 红外线干涉滤光器
EP1975649A1 (en) 1998-02-18 2008-10-01 Minnesota Mining And Manufacturing Company Optical film
US6282821B1 (en) 1998-06-25 2001-09-04 3M Innovative Properties Company Low-loss face diffuser films for backlit signage and methods for using same
CN1338061A (zh) 1999-01-26 2002-02-27 熔化照明股份有限公司 利用塑料片的光导管
US6752505B2 (en) 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
JP4394839B2 (ja) 1999-02-24 2010-01-06 スリーエム イノベイティブ プロパティズ カンパニー 所定の強度パターンを産み出す照明装置
US6267492B1 (en) 1999-04-15 2001-07-31 3M Innovative Properties Company Illumination device with side emitting light guide
JP3434465B2 (ja) 1999-04-22 2003-08-11 三菱電機株式会社 液晶表示装置用バックライト
DE19961491B4 (de) 1999-05-25 2005-08-04 Siteco Beleuchtungstechnik Gmbh Innenraumleuchte mit Hohllichtleiter
US6122103A (en) 1999-06-22 2000-09-19 Moxtech Broadband wire grid polarizer for the visible spectrum
ATE365890T1 (de) 1999-07-23 2007-07-15 Siteco Beleuchtungstech Gmbh Kompakte leuchte mit hohllichtleiter
KR100679094B1 (ko) 1999-10-08 2007-02-05 엘지.필립스 엘시디 주식회사 백라이트 유닛
CA2392947A1 (en) 1999-11-30 2001-06-21 Reflexite Corporation Luminaire system
US6738349B1 (en) 2000-03-01 2004-05-18 Tektronix, Inc. Non-intrusive measurement of end-to-end network properties
US6893135B2 (en) 2000-03-16 2005-05-17 3M Innovative Properties Company Light guides suitable for illuminated displays
JP3301752B2 (ja) 2000-03-31 2002-07-15 三菱電機株式会社 フロントライト、反射型液晶表示装置および携帯情報端末
US6975455B1 (en) 2000-04-18 2005-12-13 3M Innovative Properties Company Transflective layer for displays
NZ522738A (en) 2000-04-25 2004-05-28 Honeywell Int Inc Hollow cavity light guide for the distribution of collimated light to a liquid crystal display
KR100367845B1 (ko) * 2000-06-07 2003-01-10 삼성전자 주식회사 액정표시장치의 조명 방법, 이를 구현시키기 위한액정표시장치의 백라이트 어셈블리 및 이를 채용한액정표시장치
JP4288553B2 (ja) 2000-07-25 2009-07-01 富士フイルム株式会社 カメラのストロボ装置
US6809892B2 (en) 2000-07-26 2004-10-26 3M Innovative Properties Company Hollow surface illuminator
JP4023079B2 (ja) 2000-08-31 2007-12-19 株式会社日立製作所 面状照明装置及びこれを備えた表示装置
AU2000275542A1 (en) * 2000-09-15 2002-03-26 3M Innovative Properties Company Light extractor for a light guide lamp
US6673425B1 (en) 2000-10-27 2004-01-06 3M Innovative Properties Company Method and materials for preventing warping in optical films
US6888529B2 (en) 2000-12-12 2005-05-03 Koninklijke Philips Electronics N.V. Control and drive circuit arrangement for illumination performance enhancement with LED light sources
US6917399B2 (en) 2001-02-22 2005-07-12 3M Innovative Properties Company Optical bodies containing cholesteric liquid crystal material and methods of manufacture
CN1462354A (zh) 2001-05-08 2003-12-17 荷兰鲁米勒德斯照明有限公司 照明系统和显示装置
JP2002350846A (ja) 2001-05-22 2002-12-04 Yazaki Corp Ｌｅｄバックライト
JP4049267B2 (ja) 2001-06-01 2008-02-20 フィリップス ルミレッズ ライティング カンパニー リミテッド ライアビリティ カンパニー コンパクトな照明システムとディスプレイデバイス
IL159233A0 (en) 2001-06-07 2004-06-01 Genoa Technologies Ltd Device, system and method of data conversion for wide gamut displays
JP2003029720A (ja) 2001-07-16 2003-01-31 Fujitsu Ltd 表示装置
KR100864738B1 (ko) 2001-08-27 2008-10-22 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 확장된 표시창을 갖는 광 패널
US6663262B2 (en) 2001-09-10 2003-12-16 3M Innovative Properties Company Backlighting transmissive displays
GB0123813D0 (en) 2001-10-03 2001-11-21 3M Innovative Properties Co Light-guide lights suitable for use in illuminated displays
GB0123815D0 (en) 2001-10-03 2001-11-21 3M Innovative Properties Co Light-guide lights providing a substantially monochromatic beam
JP4242772B2 (ja) 2001-11-02 2009-03-25 ハネウェル・インターナショナル・インコーポレーテッド 後部照明用中空楔形状光ガイド
AU2002359708A1 (en) 2001-12-14 2003-07-15 Digital Optics International Corporation Uniform illumination system
US6937303B2 (en) 2001-12-18 2005-08-30 Samsung Electronics Co., Ltd. Transmissive and reflective type liquid crystal display
JP2003223982A (ja) 2002-01-31 2003-08-08 Matsushita Electric Ind Co Ltd 高周波加熱装置
EP1491866A4 (en) 2002-03-20 2006-06-07 Mitsui Mining & Smelting Co FLOW SPEED MEASURING METHOD AND FLOWMETER, FLOW SPEED MEASUREMENT CIRCUIT HOUSING USED, AND FLOW SPEED MEASURING UNIT THEREFOR AND FLUSH TESTING DEVICE WITH FLOWMETER
US6679621B2 (en) 2002-06-24 2004-01-20 Lumileds Lighting U.S., Llc Side emitting LED and lens
JP2004031180A (ja) 2002-06-27 2004-01-29 Kawaguchiko Seimitsu Co Ltd バックライト装置
JP2004111357A (ja) 2002-07-09 2004-04-08 Topcon Corp 光源装置
JP2004055430A (ja) 2002-07-23 2004-02-19 Kawaguchiko Seimitsu Co Ltd バックライト装置
JP4177049B2 (ja) 2002-08-28 2008-11-05 シャープ株式会社 表面実装型側面発光ダイオードおよびその製造方法
US7460196B2 (en) 2002-09-25 2008-12-02 Lg Displays Co., Ltd. Backlight device for liquid crystal display and method of fabricating the same
GB0222810D0 (en) 2002-10-02 2002-11-06 3M Innovative Properties Co Light source assembly and light-guide light suitable for an illuminated display
JP4153776B2 (ja) * 2002-11-07 2008-09-24 三菱電機株式会社 面状光源装置および該装置を用いた液晶表示装置
JP2004171947A (ja) 2002-11-20 2004-06-17 Harison Toshiba Lighting Corp バックライト装置
JP4091414B2 (ja) 2002-12-18 2008-05-28 三菱電機株式会社 面状光源装置、表示装置及び液晶表示装置
US20040219338A1 (en) 2003-05-01 2004-11-04 Hebrink Timothy J. Materials, configurations, and methods for reducing warpage in optical films
JP2004342429A (ja) 2003-05-15 2004-12-02 Advanced Display Inc 面状光源装置およびそれを備えた液晶表示装置
US6814456B1 (en) 2003-05-15 2004-11-09 Toppoly Optoelectronics Corp. Back light module
US6846089B2 (en) 2003-05-16 2005-01-25 3M Innovative Properties Company Method for stacking surface structured optical films
US6974229B2 (en) 2003-05-21 2005-12-13 Lumileds Lighting U.S., Llc Devices for creating brightness profiles
US7229198B2 (en) 2003-06-16 2007-06-12 Mitsubishi Denki Kabushiki Kaisha Planar light source device and display device using the same
KR100432347B1 (ko) * 2003-07-01 2004-05-20 주식회사 엘지에스 백라이트 유닛의 집광시트
US6905212B2 (en) 2003-07-02 2005-06-14 Hewlett-Packard Development Company, L.P. Varying light beam for a display system
TW594264B (en) 2003-07-09 2004-06-21 Chunghwa Picture Tubes Ltd A light-projecting device for a backlight module in a flat panel display device
TWI264511B (en) 2003-07-11 2006-10-21 Hon Hai Prec Ind Co Ltd Light source system and backlight module using the same
JP2004071576A (ja) 2003-08-18 2004-03-04 Minnesota Mining & Mfg Co <3M> 面状発光装置
US7282272B2 (en) 2003-09-12 2007-10-16 3M Innovative Properties Company Polymerizable compositions comprising nanoparticles
JP2005093147A (ja) 2003-09-16 2005-04-07 Sharp Corp 照明装置およびそれを備えた表示装置ならびに携帯型電子機器
US7114839B2 (en) 2003-10-06 2006-10-03 Chia Shin Kuo Light-inverse type guidelight plate
JP2005173546A (ja) 2003-11-18 2005-06-30 Toray Ind Inc 光反射フィルムおよびそれを用いた面光源
US7052168B2 (en) 2003-12-17 2006-05-30 3M Innovative Properties Company Illumination device
US7303322B2 (en) 2003-12-23 2007-12-04 3M Innovative Properties Company Multiple lightguide backlight
US7223005B2 (en) 2003-12-23 2007-05-29 Lamb David J Hybrid lightguide backlight
US7009343B2 (en) 2004-03-11 2006-03-07 Kevin Len Li Lim System and method for producing white light using LEDs
JP2005292546A (ja) 2004-04-01 2005-10-20 Mitsubishi Electric Corp 低消費電力液晶表示装置
KR100576865B1 (ko) 2004-05-03 2006-05-10 삼성전기주식회사 백라이트용 발광 다이오드 어레이 모듈 및 이를 구비한백라이트 유닛
JP2005327682A (ja) 2004-05-17 2005-11-24 Sony Corp バックライト装置、及び液晶表示装置
JP4590283B2 (ja) 2004-05-21 2010-12-01 シャープ株式会社 バックライトユニット及びそれを備えた液晶表示装置
TWI310471B (en) 2004-05-25 2009-06-01 Au Optronics Corp Backlight module equipped with brightness convergence function
KR100586966B1 (ko) 2004-05-27 2006-06-08 삼성전기주식회사 수직 발광형 백라이트 모듈
US7997771B2 (en) 2004-06-01 2011-08-16 3M Innovative Properties Company LED array systems
US7796210B2 (en) * 2004-06-11 2010-09-14 Hannstar Display Corporation Backlight with complex diffusers and flat panel display using the same
TWI233220B (en) 2004-06-18 2005-05-21 Chi Mei Optoelectronics Corp Light emitting diode package
KR20050121076A (ko) 2004-06-21 2005-12-26 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 표시장치
KR20060000544A (ko) 2004-06-29 2006-01-06 삼성전자주식회사 표시 장치용 백라이트, 표시 장치용 광원, 광원용 발광다이오드
US7213958B2 (en) 2004-06-30 2007-05-08 3M Innovative Properties Company Phosphor based illumination system having light guide and an interference reflector
CN101057162B (zh) 2004-07-27 2011-02-16 杜比实验室认证公司 用于来自光源阵列的光的漫射器以及并有该漫射器的显示器
EP1640756A1 (en) 2004-09-27 2006-03-29 Barco N.V. Methods and systems for illuminating
US7436469B2 (en) 2004-10-15 2008-10-14 3M Innovative Properties Company Composite diffuser plates and direct-lit liquid crystal displays using same
US7446827B2 (en) 2004-10-15 2008-11-04 3M Innovative Properties Company Direct-lit liquid crystal displays with laminated diffuser plates
JP2008047291A (ja) 2004-10-21 2008-02-28 Minebea Co Ltd 面状照明装置
US7329982B2 (en) 2004-10-29 2008-02-12 3M Innovative Properties Company LED package with non-bonded optical element
WO2006052834A2 (en) 2004-11-05 2006-05-18 Optical Research Associates Methods for manipulating light extraction from a light
US20060103777A1 (en) 2004-11-15 2006-05-18 3M Innovative Properties Company Optical film having a structured surface with rectangular based prisms
KR100735148B1 (ko) * 2004-11-22 2007-07-03 (주)케이디티 백라이트 장치용 광 여기 확산시트, 이를 이용한액정표시용 백라이트 장치
US7745814B2 (en) 2004-12-09 2010-06-29 3M Innovative Properties Company Polychromatic LED's and related semiconductor devices
US7296916B2 (en) 2004-12-21 2007-11-20 3M Innovative Properties Company Illumination assembly and method of making same
US7285802B2 (en) 2004-12-21 2007-10-23 3M Innovative Properties Company Illumination assembly and method of making same
US20060131601A1 (en) 2004-12-21 2006-06-22 Ouderkirk Andrew J Illumination assembly and method of making same
US7416309B2 (en) 2004-12-30 2008-08-26 3M Innovative Properties Company Optical film having a surface with rounded structures
US7220026B2 (en) 2004-12-30 2007-05-22 3M Innovative Properties Company Optical film having a structured surface with offset prismatic structures
US7320538B2 (en) 2004-12-30 2008-01-22 3M Innovative Properties Company Optical film having a structured surface with concave pyramid-shaped structures
JP2006221922A (ja) 2005-02-09 2006-08-24 Mitsubishi Rayon Co Ltd Ｌｅｄ面状光源装置
US20060187650A1 (en) 2005-02-24 2006-08-24 3M Innovative Properties Company Direct lit backlight with light recycling and source polarizers
JP4431070B2 (ja) 2005-02-28 2010-03-10 シャープ株式会社 面照明装置及びそれを備えた液晶表示装置
US7356229B2 (en) 2005-02-28 2008-04-08 3M Innovative Properties Company Reflective polarizers containing polymer fibers
JP2006269364A (ja) 2005-03-25 2006-10-05 Mitsubishi Rayon Co Ltd Ｌｅｄ面光源装置
JP4430571B2 (ja) 2005-03-25 2010-03-10 三菱レイヨン株式会社 Ｌｅｄ面光源装置
US20060221610A1 (en) 2005-04-01 2006-10-05 Chew Tong F Light-emitting apparatus having a plurality of overlapping panels forming recesses from which light is emitted
US20060250707A1 (en) 2005-05-05 2006-11-09 3M Innovative Properties Company Optical film having a surface with rounded pyramidal structures
US20060257678A1 (en) 2005-05-10 2006-11-16 Benson Olester Jr Fiber reinforced optical films
US20070030415A1 (en) * 2005-05-16 2007-02-08 Epstein Kenneth A Back-lit displays with high illumination uniformity
KR100774061B1 (ko) 2005-05-17 2007-11-06 엔이씨 엘씨디 테크놀로지스, 엘티디. 백라이트 및 액정 표시 장치
US8789299B2 (en) 2005-05-19 2014-07-29 3M Innovative Properties Company Thin internally illuminated sign
US7220036B2 (en) 2005-05-20 2007-05-22 3M Innovative Properties Company Thin direct-lit backlight for LCD display
US7591094B2 (en) 2005-05-31 2009-09-22 The University Of British Columbia Perforated multi-layer optical film luminaire
US7196483B2 (en) 2005-06-16 2007-03-27 Au Optronics Corporation Balanced circuit for multi-LED driver
US7903194B2 (en) 2005-06-24 2011-03-08 3M Innovative Properties Company Optical element for lateral light spreading in back-lit displays and system using same
US8023065B2 (en) 2005-06-24 2011-09-20 3M Innovative Properties Company Optical element for lateral light spreading in edge-lit displays and system using same
KR100928171B1 (ko) 2005-06-29 2009-11-25 가부시키가이샤 구라레 조명 장치 및 조명 장치에 사용되는 광 제어 부재 그리고이들을 사용한 화상 표시 장치
JP4684838B2 (ja) * 2005-10-06 2011-05-18 株式会社クラレ 照明装置および光制御手段構造体並びにこれらを用いた画像表示装置
JP4935004B2 (ja) 2005-07-01 2012-05-23 ソニー株式会社 表示装置
US20070024994A1 (en) 2005-07-29 2007-02-01 3M Innovative Properties Company Structured optical film with interspersed pyramidal structures
US20070047228A1 (en) 2005-08-27 2007-03-01 3M Innovative Properties Company Methods of forming direct-lit backlights having light recycling cavity with concave transflector
TWI464494B (zh) 2005-08-27 2014-12-11 ３Ｍ新設資產公司 照明組件及系統
US7537374B2 (en) 2005-08-27 2009-05-26 3M Innovative Properties Company Edge-lit backlight having light recycling cavity with concave transflector
US7438442B2 (en) 2005-10-12 2008-10-21 Lg Display Co., Ltd. Light emitting package, backlight unit and liquid crystal display device including the same
TWI331694B (en) 2005-10-20 2010-10-11 Ind Tech Res Inst Back-lighted structure
TW200732596A (en) 2005-10-28 2007-09-01 Takiron Co Field luminescence equipment and method for emitting in the field luminescence equipment
US20070147037A1 (en) 2005-12-22 2007-06-28 Dynascan Technology Corp. Super slim LCD backlight device using uniforming chamber
US20070153162A1 (en) 2005-12-30 2007-07-05 Wright Robin E Reinforced reflective polarizer films
US20070153384A1 (en) 2005-12-30 2007-07-05 Ouderkirk Andrew J Reinforced reflective polarizer films
TW200728851A (en) 2006-01-20 2007-08-01 Hon Hai Prec Ind Co Ltd Backlight module
JP2007200741A (ja) * 2006-01-27 2007-08-09 Toppan Printing Co Ltd エッジライト式バックライト用導光板
CN100468170C (zh) 2006-02-10 2009-03-11 鸿富锦精密工业（深圳）有限公司 背光系统
KR20070096457A (ko) * 2006-03-24 2007-10-02 엘지전자 주식회사 광 파이프를 이용한 면 광원 장치, 이를 구비한 백라이트유닛 및 액정 표시 장치
JP2007265783A (ja) * 2006-03-28 2007-10-11 Nippon Zeon Co Ltd 直下型バックライト装置
US7390117B2 (en) 2006-05-02 2008-06-24 3M Innovative Properties Company LED package with compound converging optical element
US20070258241A1 (en) 2006-05-02 2007-11-08 3M Innovative Properties Company Led package with non-bonded converging optical element
US7525126B2 (en) 2006-05-02 2009-04-28 3M Innovative Properties Company LED package with converging optical element
US20070257270A1 (en) 2006-05-02 2007-11-08 3M Innovative Properties Company Led package with wedge-shaped optical element
US7740387B2 (en) 2006-05-24 2010-06-22 3M Innovative Properties Company Backlight wedge with side mounted light source
US7607814B2 (en) 2006-05-24 2009-10-27 3M Innovative Properties Company Backlight with symmetric wedge shaped light guide input portion with specular reflective surfaces
US7317182B2 (en) 2006-05-24 2008-01-08 3M Innovative Properties Company Backlight wedge with encapsulated light source
US7660509B2 (en) 2006-05-24 2010-02-09 3M Innovative Properties Company Backlight asymmetric light input wedge
US20080002256A1 (en) 2006-06-30 2008-01-03 3M Innovative Properties Company Optical article including a beaded layer
TWM317024U (en) 2006-07-25 2007-08-11 Longtech Systems Corp Brightness improved structure of lateral backlight for LCD
JP4966701B2 (ja) 2006-08-03 2012-07-04 ハリソン東芝ライティング株式会社 中空式面照明装置
US7905650B2 (en) 2006-08-25 2011-03-15 3M Innovative Properties Company Backlight suitable for display devices
US7773834B2 (en) 2006-08-30 2010-08-10 3M Innovative Properties Company Multilayer polarizing fibers and polarizers using same
US20080057277A1 (en) 2006-08-30 2008-03-06 3M Innovative Properties Company Polymer fiber polarizers
US7481563B2 (en) 2006-09-21 2009-01-27 3M Innovative Properties Company LED backlight
EP2084573B1 (en) 2006-10-26 2016-03-16 Koninklijke Philips N.V. Illumination system and display device
US7604381B2 (en) 2007-04-16 2009-10-20 3M Innovative Properties Company Optical article and method of making
CN101681057B (zh) 2007-05-20 2012-07-04 3M创新有限公司 光循环型薄壁中空腔体背光源
EP2160644B1 (en) 2007-05-20 2019-05-01 3M Innovative Properties Company Semi-specular components in hollow cavity light recycling backlights
US9028108B2 (en) 2007-05-20 2015-05-12 3M Innovative Properties Company Collimating light injectors for edge-lit backlights
CN101681597A (zh) 2007-05-20 2010-03-24 3M创新有限公司 有效利用有色led光源的白光背光源等
US8469575B2 (en) 2007-05-20 2013-06-25 3M Innovative Properties Company Backlight and display system using same
US7513634B2 (en) 2007-05-21 2009-04-07 National Tsing Hua University Structure of planar illuminator
WO2008146229A2 (en) 2007-05-29 2008-12-04 Koninklijke Philips Electronics N.V. Illumination system, luminaire and backlighting unit
CN101910712B (zh) * 2008-01-15 2013-02-27 夏普株式会社 照明装置、显示装置和电视接收装置
EP2252828A1 (en) 2008-02-22 2010-11-24 3M Innovative Properties Company Backlights having selected output light flux distributions and display systems using same
US8757858B2 (en) 2008-06-04 2014-06-24 3M Innovative Properties Company Hollow backlight with tilted light source
EP2300871B1 (en) 2008-06-13 2016-03-09 3M Innovative Properties Company Collimating light engine
US8040461B2 (en) * 2009-10-13 2011-10-18 Entire Technology Co., Ltd. Compound diffusion plate structure, backlight module, and liquid crystal display

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TWI494655B (zh) 2015-08-01
KR101571576B1 (ko) 2015-11-24
KR20100126288A (ko) 2010-12-01
EP2255231A1 (en) 2010-12-01
CN101939675A (zh) 2011-01-05
WO2009100307A1 (en) 2009-08-13
US20110051047A1 (en) 2011-03-03
TW200949381A (en) 2009-12-01
JP2011514624A (ja) 2011-05-06
US8848132B2 (en) 2014-09-30

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