WO2002004858A3 - Retroeclairage a surfaces structurees - Google Patents

Retroeclairage a surfaces structurees Download PDF

Info

Publication number
WO2002004858A3
WO2002004858A3 PCT/US2001/021294 US0121294W WO0204858A3 WO 2002004858 A3 WO2002004858 A3 WO 2002004858A3 US 0121294 W US0121294 W US 0121294W WO 0204858 A3 WO0204858 A3 WO 0204858A3
Authority
WO
WIPO (PCT)
Prior art keywords
lightguide
backlight
sufaces
structured
optical structures
Prior art date
Application number
PCT/US2001/021294
Other languages
English (en)
Other versions
WO2002004858A2 (fr
Inventor
Mark E Gardiner
Sandford Cobb
Wade D Kretman
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
Priority claimed from US09/613,313 external-priority patent/US7046905B1/en
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to AU2001275868A priority Critical patent/AU2001275868B8/en
Priority to AU7586801A priority patent/AU7586801A/xx
Priority to CA002413700A priority patent/CA2413700C/fr
Priority to KR1020037000339A priority patent/KR100830261B1/ko
Priority to JP2002509691A priority patent/JP2004507866A/ja
Priority to EP01953417A priority patent/EP1301743A2/fr
Publication of WO2002004858A2 publication Critical patent/WO2002004858A2/fr
Publication of WO2002004858A3 publication Critical patent/WO2002004858A3/fr
Priority to HK03106684.5A priority patent/HK1056210A1/zh

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • 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
    • G02B6/0038—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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

L'invention concerne un rétroéclairage comportant un guide de lumière, une source lumineuse placée par rapport au guide de lumière de façon à y introduire la lumière et un film tournant. Des structures optiques sont formées dans l'une des surfaces de sortie et une surface dorsale du guide de lumière. Les structures optiques sont disposées de façon à extraire la lumière du guide de lumière. Un réflecteur de fond jouxte la surface arrière. Les structures optiques sont formées de façon à comprendre un motif variable conçu pour masquer des non-uniformités dans la sortie du guide de lumière.
PCT/US2001/021294 2000-07-11 2001-07-05 Retroeclairage a surfaces structurees WO2002004858A2 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU2001275868A AU2001275868B8 (en) 2000-07-11 2001-07-05 Backlight with structured surfaces
AU7586801A AU7586801A (en) 2000-07-11 2001-07-05 Backlight with structured sufaces
CA002413700A CA2413700C (fr) 2000-07-11 2001-07-05 Retroeclairage a surfaces structurees
KR1020037000339A KR100830261B1 (ko) 2000-07-11 2001-07-05 구조화된 면을 구비한 백라이트
JP2002509691A JP2004507866A (ja) 2000-07-11 2001-07-05 構造化された表面を有するバックライト
EP01953417A EP1301743A2 (fr) 2000-07-11 2001-07-05 Retroeclairage a surfaces structurees
HK03106684.5A HK1056210A1 (zh) 2000-07-11 2003-09-17 帶有構造面的背燈

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/613,313 2000-07-11
US09/613,313 US7046905B1 (en) 1999-10-08 2000-07-11 Blacklight with structured surfaces

Publications (2)

Publication Number Publication Date
WO2002004858A2 WO2002004858A2 (fr) 2002-01-17
WO2002004858A3 true WO2002004858A3 (fr) 2002-05-23

Family

ID=24456785

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/021294 WO2002004858A2 (fr) 2000-07-11 2001-07-05 Retroeclairage a surfaces structurees

Country Status (8)

Country Link
EP (1) EP1301743A2 (fr)
JP (1) JP2004507866A (fr)
KR (1) KR100830261B1 (fr)
CN (1) CN100350308C (fr)
AU (2) AU7586801A (fr)
CA (1) CA2413700C (fr)
HK (1) HK1056210A1 (fr)
WO (1) WO2002004858A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7767273B2 (en) 2005-03-09 2010-08-03 3M Innovative Properties Company Apparatus and method for producing two-sided patterned web in registration
US7931841B2 (en) 2005-03-09 2011-04-26 3M Innovative Properties Company Microreplicated article
US9134471B2 (en) 2006-06-28 2015-09-15 3M Innovative Properties Company Oriented polymeric articles and method

Families Citing this family (35)

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US20050024849A1 (en) * 1999-02-23 2005-02-03 Parker Jeffery R. Methods of cutting or forming cavities in a substrate for use in making optical films, components or wave guides
US6908202B2 (en) 2002-10-03 2005-06-21 General Electric Company Bulk diffuser for flat panel display
KR100926299B1 (ko) 2002-11-13 2009-11-12 삼성전자주식회사 백라이트 어셈블리용 반사판 및 이를 사용하는 백라이트어셈블리
US7106517B2 (en) * 2003-12-31 2006-09-12 General Electric Company Display optical films
US7316498B2 (en) 2003-12-31 2008-01-08 General Electric Company Faceted optical substrate and method of fabricating a faceted optical substrate and a backlight display comprising the faceted optical substrate
KR100487105B1 (ko) * 2004-06-04 2005-05-04 주식회사 엘지에스 광학필름
KR100553155B1 (ko) * 2004-06-04 2006-02-22 주식회사 엘지에스 광학필름
KR100512193B1 (ko) * 2004-10-29 2005-09-05 주식회사 엘지에스 광학필름 및 이를 갖는 백라이트유닛
ATE496706T1 (de) 2005-03-09 2011-02-15 3M Innovative Properties Co Vorrichtung und verfahren zur herstellung eines mikroreplizierten gegenstandes
EP1856566A1 (fr) * 2005-03-09 2007-11-21 3M Innovative Properties Company Article micro-duplique avec une surface reduisant les defauts
CN100587525C (zh) * 2005-04-08 2010-02-03 3M创新有限公司 用于显示器中的结构化取向薄膜
KR101298786B1 (ko) 2005-08-27 2013-08-22 쓰리엠 이노베이티브 프로퍼티즈 컴파니 조명 조립체 및 시스템
US7815355B2 (en) 2005-08-27 2010-10-19 3M Innovative Properties Company Direct-lit backlight having light recycling cavity with concave transflector
CN100406999C (zh) * 2005-09-09 2008-07-30 财团法人工业技术研究院 导光板及具有该导光板的背光模块
CN101331422B (zh) * 2005-12-15 2012-11-14 Tp视觉控股有限公司 具有可变漫射体的显示系统
KR100770929B1 (ko) * 2006-05-26 2007-10-26 삼성전자주식회사 도광판 및 이를 이용한 백라이트 유닛
JP4874009B2 (ja) * 2006-06-19 2012-02-08 シチズン電子株式会社 光拡散装置
KR100784021B1 (ko) 2006-07-04 2007-12-10 삼성에스디아이 주식회사 액정 표시 장치의 백라이트 유니트
JP4725529B2 (ja) * 2007-02-13 2011-07-13 ソニー株式会社 バックライト駆動装置、表示装置
AU2007354904B2 (en) 2007-06-14 2014-06-26 Avery Dennison Corporation Illuminated graphical and information display
WO2009100560A1 (fr) * 2008-01-31 2009-08-20 Dingguo Pan Plaque réfléchissant la lumière en forme de disque avec prismes en triangle rectangle non équilatéraux à section variable et lampe fabriquée à partir de celle-ci
KR101609400B1 (ko) 2008-04-02 2016-04-05 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광 지향 필름 또는 광 지향 물품
KR100963676B1 (ko) * 2008-07-23 2010-06-15 제일모직주식회사 정면휘도 및 시야각이 개선된 프리즘 시트, 이를 채용한백라이트 유니트, 및 상기 백라이트 유니트를 구비한액정표시장치
US7931396B2 (en) * 2008-12-10 2011-04-26 Sharp Kabushiki Kaisha Backlight and display
CN102362247B (zh) * 2009-03-27 2015-08-12 木本股份有限公司 防牛顿环片材和使用了其的触摸屏
CN101852876B (zh) * 2009-04-02 2012-06-13 财团法人工业技术研究院 复合型光学膜片以及面光源模块
JP5866765B2 (ja) * 2010-04-28 2016-02-17 ソニー株式会社 導電性素子およびその製造方法、配線素子、情報入力装置、表示装置、ならびに電子機器
JP5610202B2 (ja) * 2010-06-23 2014-10-22 ミネベア株式会社 面状照明装置
EP2463157B1 (fr) * 2010-12-10 2015-04-15 SMR Patents S.à.r.l. Ensemble de rétroviseur avec indicateur optique
US8770810B2 (en) 2010-12-10 2014-07-08 Smr Patents S.A.R.L. Rear view mirror assembly with optical indicator
JP2017207736A (ja) * 2016-05-16 2017-11-24 恵和株式会社 液晶表示装置用光学シート、液晶表示装置用バックライトユニット及び液晶表示装置用光学シートの製造方法
JP7214334B2 (ja) * 2016-06-14 2023-01-30 恵和株式会社 バックライトユニット用プリズムシート及び液晶表示装置用バックライトユニット
US9810904B1 (en) * 2016-11-11 2017-11-07 Google Inc. Fresnel lens assembly having varying facet angle
FR3089308A1 (fr) 2018-11-30 2020-06-05 Commissariat A L'energie Atomique Et Aux Energies Alternatives Coupleur optique
FI20216059A1 (en) * 2021-10-13 2023-04-14 Nanocomp Oy Ltd LIGHT WIRE

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Publication number Priority date Publication date Assignee Title
EP0426411A2 (fr) * 1989-10-30 1991-05-08 Minnesota Mining And Manufacturing Company Dispositif d'éclairage avec lentille pour mettre en forme un faisceau
JPH07159622A (ja) * 1993-12-07 1995-06-23 Nippon Chemitec Kk 楔形導光板と該導光板を使用した面型照明体
JPH09145933A (ja) * 1995-11-27 1997-06-06 Hitachi Ltd 液晶表示装置
US5775791A (en) * 1992-08-31 1998-07-07 Copal Company Limited Surface emission apparatus
JPH10339815A (ja) * 1997-06-09 1998-12-22 Sanyo Electric Co Ltd 導光板、導光板の製造方法及びその導光板を用いた面光源
US5921651A (en) * 1995-03-31 1999-07-13 Enplas Corporation Surface light source device of side light type having diffusing element with improved distribution pattern of light
JPH11202135A (ja) * 1998-01-14 1999-07-30 Ohtsu Tire & Rubber Co Ltd :The バックライトユニット及びバックライト並びに導光板の製造方法
JPH11250714A (ja) * 1998-02-27 1999-09-17 Omron Corp 面光源装置
US5997148A (en) * 1997-06-04 1999-12-07 Enplas Corporation Surface light source device of side light type
WO2001027527A1 (fr) * 1999-10-08 2001-04-19 3M Innovative Properties Company Element optique a structures optiques programmees

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US5854872A (en) * 1996-10-08 1998-12-29 Clio Technologies, Inc. Divergent angle rotator system and method for collimating light beams
JPH1124586A (ja) * 1997-06-30 1999-01-29 Sanyo Electric Co Ltd バックライト装置及び導光板
CA2318790C (fr) * 1998-02-18 2004-03-30 Minnesota Mining And Manufacturing Company Couche optique

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Publication number Priority date Publication date Assignee Title
EP0426411A2 (fr) * 1989-10-30 1991-05-08 Minnesota Mining And Manufacturing Company Dispositif d'éclairage avec lentille pour mettre en forme un faisceau
US5775791A (en) * 1992-08-31 1998-07-07 Copal Company Limited Surface emission apparatus
JPH07159622A (ja) * 1993-12-07 1995-06-23 Nippon Chemitec Kk 楔形導光板と該導光板を使用した面型照明体
US5921651A (en) * 1995-03-31 1999-07-13 Enplas Corporation Surface light source device of side light type having diffusing element with improved distribution pattern of light
JPH09145933A (ja) * 1995-11-27 1997-06-06 Hitachi Ltd 液晶表示装置
US5997148A (en) * 1997-06-04 1999-12-07 Enplas Corporation Surface light source device of side light type
JPH10339815A (ja) * 1997-06-09 1998-12-22 Sanyo Electric Co Ltd 導光板、導光板の製造方法及びその導光板を用いた面光源
JPH11202135A (ja) * 1998-01-14 1999-07-30 Ohtsu Tire & Rubber Co Ltd :The バックライトユニット及びバックライト並びに導光板の製造方法
JPH11250714A (ja) * 1998-02-27 1999-09-17 Omron Corp 面光源装置
WO2001027527A1 (fr) * 1999-10-08 2001-04-19 3M Innovative Properties Company Element optique a structures optiques programmees

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PATENT ABSTRACTS OF JAPAN vol. 1995, no. 09 31 October 1995 (1995-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10 31 October 1997 (1997-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 10 31 March 1999 (1999-03-31) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 12 29 October 1999 (1999-10-29) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 14 22 December 1999 (1999-12-22) *
See also references of EP1301743A2 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7767273B2 (en) 2005-03-09 2010-08-03 3M Innovative Properties Company Apparatus and method for producing two-sided patterned web in registration
US7931841B2 (en) 2005-03-09 2011-04-26 3M Innovative Properties Company Microreplicated article
US8968629B2 (en) 2005-03-09 2015-03-03 3M Innovative Properties Company Apparatus and method for producing two-sided patterned web in registration
US9134471B2 (en) 2006-06-28 2015-09-15 3M Innovative Properties Company Oriented polymeric articles and method
US9259885B2 (en) 2006-06-28 2016-02-16 3M Innovative Properties Company Oriented polymeric articles and method

Also Published As

Publication number Publication date
AU2001275868B2 (en) 2006-02-02
HK1056210A1 (zh) 2004-02-06
CN1464955A (zh) 2003-12-31
AU7586801A (en) 2002-01-21
EP1301743A2 (fr) 2003-04-16
JP2004507866A (ja) 2004-03-11
WO2002004858A2 (fr) 2002-01-17
CA2413700A1 (fr) 2002-01-17
CN100350308C (zh) 2007-11-21
KR20030015378A (ko) 2003-02-20
AU2001275868B8 (en) 2006-05-11
KR100830261B1 (ko) 2008-05-16
CA2413700C (fr) 2007-01-09

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