AU7586801A - Backlight with structured sufaces - Google Patents

Backlight with structured sufaces

Info

Publication number
AU7586801A
AU7586801A AU7586801A AU7586801A AU7586801A AU 7586801 A AU7586801 A AU 7586801A AU 7586801 A AU7586801 A AU 7586801A AU 7586801 A AU7586801 A AU 7586801A AU 7586801 A AU7586801 A AU 7586801A
Authority
AU
Australia
Prior art keywords
sufaces
backlight
structured
structured sufaces
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
AU7586801A
Inventor
Mark E Gardiner
Sandford Cobb Jr
Wade D Kretman
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
Priority claimed from US09/613,313 external-priority patent/US7046905B1/en
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of AU7586801A publication Critical patent/AU7586801A/en
Pending legal-status Critical Current

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)
AU7586801A 2000-07-11 2001-07-05 Backlight with structured sufaces Pending AU7586801A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/613,313 US7046905B1 (en) 1999-10-08 2000-07-11 Blacklight with structured surfaces
PCT/US2001/021294 WO2002004858A2 (en) 2000-07-11 2001-07-05 Backlight with structured sufaces

Publications (1)

Publication Number Publication Date
AU7586801A true AU7586801A (en) 2002-01-21

Family

ID=24456785

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2001275868A Ceased AU2001275868B8 (en) 2000-07-11 2001-07-05 Backlight with structured surfaces
AU7586801A Pending AU7586801A (en) 2000-07-11 2001-07-05 Backlight with structured sufaces

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU2001275868A Ceased AU2001275868B8 (en) 2000-07-11 2001-07-05 Backlight with structured surfaces

Country Status (8)

Country Link
EP (1) EP1301743A2 (en)
JP (1) JP2004507866A (en)
KR (1) KR100830261B1 (en)
CN (1) CN100350308C (en)
AU (2) AU2001275868B8 (en)
CA (1) CA2413700C (en)
HK (1) HK1056210A1 (en)
WO (1) WO2002004858A2 (en)

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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
US7250122B2 (en) 2000-08-18 2007-07-31 Reflexite Corporation Differentially cured materials and process for forming same
US7230764B2 (en) 2000-08-18 2007-06-12 Reflexite Corporation Differentially-cured materials and process for forming same
US6908202B2 (en) * 2002-10-03 2005-06-21 General Electric Company Bulk diffuser for flat panel display
KR100926299B1 (en) 2002-11-13 2009-11-12 삼성전자주식회사 Reflector for backlight assembly and backlight assembly using the same
EP1625430A2 (en) 2003-05-02 2006-02-15 Reflexite Corporation Light-redirecting optical structures
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
US7106517B2 (en) 2003-12-31 2006-09-12 General Electric Company Display optical films
KR100553155B1 (en) * 2004-06-04 2006-02-22 주식회사 엘지에스 Optical film
KR100487105B1 (en) * 2004-06-04 2005-05-04 주식회사 엘지에스 Optical film
KR100512193B1 (en) * 2004-10-29 2005-09-05 주식회사 엘지에스 Optical film and back-light unit has them
US7931841B2 (en) 2005-03-09 2011-04-26 3M Innovative Properties Company Microreplicated article
MX2007010905A (en) * 2005-03-09 2007-12-07 3M Innovative Properties Co Microreplicated article with defect-reducing surface.
US7444932B2 (en) 2005-03-09 2008-11-04 3M Innovative Properties Company Apparatus and method for making microreplicated article
EP1871584B1 (en) 2005-03-09 2009-11-18 3M Innovative Properties Company Apparatus and method for producing two-sided patterned web in registration
WO2006110401A2 (en) * 2005-04-08 2006-10-19 3M Innovative Properties Company Structured oriented films for use in displays
US7418202B2 (en) 2005-08-04 2008-08-26 3M Innovative Properties Company Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter
US7815355B2 (en) 2005-08-27 2010-10-19 3M Innovative Properties Company Direct-lit backlight having light recycling cavity with concave transflector
JP5290755B2 (en) * 2005-08-27 2013-09-18 スリーエム イノベイティブ プロパティズ カンパニー Lighting assembly and system
CN100406999C (en) * 2005-09-09 2008-07-30 财团法人工业技术研究院 Light guide plate and backlight module with same
CN101331422B (en) * 2005-12-15 2012-11-14 Tp视觉控股有限公司 Display system with variable diffuser
KR100770929B1 (en) * 2006-05-26 2007-10-26 삼성전자주식회사 Light guide plate and backlight unit using the same
JP4874009B2 (en) * 2006-06-19 2012-02-08 シチズン電子株式会社 Light diffuser
US9134471B2 (en) 2006-06-28 2015-09-15 3M Innovative Properties Company Oriented polymeric articles and method
KR100784021B1 (en) 2006-07-04 2007-12-10 삼성에스디아이 주식회사 Backlight Unit of Liquid Crystal Display
CN100533187C (en) * 2006-11-10 2009-08-26 嘉威光电股份有限公司 Optical diaphragm and backlight module applying same
JP4725529B2 (en) * 2007-02-13 2011-07-13 ソニー株式会社 Backlight drive device, display device
AU2007354904B2 (en) 2007-06-14 2014-06-26 Avery Dennison Corporation Illuminated graphical and information display
WO2009100560A1 (en) * 2008-01-31 2009-08-20 Dingguo Pan A disc-shaped light reflecting plate with variable section unequilateral right triangles prisms and a lamp made therefrom
US9810817B2 (en) 2008-04-02 2017-11-07 3M Innovative Properties Company Light directing film and method for making the same
KR100963676B1 (en) * 2008-07-23 2010-06-15 제일모직주식회사 Prism sheet with improved front luminance and viewing angle, backlight unit employing the same, and liquid crystal display device having the backlight unit
US7931396B2 (en) * 2008-12-10 2011-04-26 Sharp Kabushiki Kaisha Backlight and display
JP5552480B2 (en) * 2009-03-27 2014-07-16 株式会社きもと Newton ring prevention sheet and touch panel using the same
CN101852876B (en) * 2009-04-02 2012-06-13 财团法人工业技术研究院 Composite optical film and surface light source module
JP5866765B2 (en) * 2010-04-28 2016-02-17 ソニー株式会社 Conductive element and manufacturing method thereof, wiring element, information input device, display device, and electronic apparatus
JP5610202B2 (en) * 2010-06-23 2014-10-22 ミネベア株式会社 Surface lighting device
US8770810B2 (en) 2010-12-10 2014-07-08 Smr Patents S.A.R.L. Rear view mirror assembly with optical indicator
EP2463157B1 (en) * 2010-12-10 2015-04-15 SMR Patents S.à.r.l. Rear view mirror assembly with optical indicator
JP2017207736A (en) * 2016-05-16 2017-11-24 恵和株式会社 Optical sheet for liquid crystal display device, backlight unit for liquid crystal display device, and manufacturing method of optical sheet for liquid crystal display device
JP7214334B2 (en) * 2016-06-14 2023-01-30 恵和株式会社 Prism sheet for backlight unit and backlight unit for liquid crystal display device
US9810904B1 (en) * 2016-11-11 2017-11-07 Google Inc. Fresnel lens assembly having varying facet angle
FR3089308A1 (en) 2018-11-30 2020-06-05 Commissariat A L'energie Atomique Et Aux Energies Alternatives Optical coupler
JP7493149B2 (en) 2020-10-28 2024-05-31 パナソニックＩｐマネジメント株式会社 Light-refractive components, optical systems, lighting systems, display systems, moving bodies and molds
FI131598B1 (en) * 2021-10-13 2025-08-01 Nanocomp Oy Ltd LIGHT GUIDE

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JP3327656B2 (en) * 1993-12-07 2002-09-24 日本ケミテック株式会社 Method for manufacturing wedge-shaped light guide plate, wedge-shaped light guide plate, and planar illuminator using the light guide plate
JP3429387B2 (en) 1995-03-31 2003-07-22 株式会社エンプラス Sidelight type surface light source device
JPH09145933A (en) * 1995-11-27 1997-06-06 Hitachi Ltd Liquid crystal display
US5917664A (en) * 1996-02-05 1999-06-29 3M Innovative Properties Company Brightness enhancement film with soft cutoff
US5854872A (en) * 1996-10-08 1998-12-29 Clio Technologies, Inc. Divergent angle rotator system and method for collimating light beams
JPH10339815A (en) * 1997-06-09 1998-12-22 Sanyo Electric Co Ltd Light guide plate, method of manufacturing light guide plate, and surface light source using the light guide plate
JPH1124586A (en) * 1997-06-30 1999-01-29 Sanyo Electric Co Ltd Backlight device and light guide plate
JP3615355B2 (en) * 1997-06-04 2005-02-02 株式会社エンプラス Sidelight type surface light source device and light guide plate
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JP3651238B2 (en) * 1998-02-27 2005-05-25 オムロン株式会社 Surface light source device
US6845212B2 (en) * 1999-10-08 2005-01-18 3M Innovative Properties Company Optical element having programmed optical structures

Also Published As

Publication number Publication date
WO2002004858A2 (en) 2002-01-17
JP2004507866A (en) 2004-03-11
KR20030015378A (en) 2003-02-20
AU2001275868B2 (en) 2006-02-02
CA2413700C (en) 2007-01-09
CN1464955A (en) 2003-12-31
WO2002004858A3 (en) 2002-05-23
KR100830261B1 (en) 2008-05-16
AU2001275868B8 (en) 2006-05-11
EP1301743A2 (en) 2003-04-16
CN100350308C (en) 2007-11-21
HK1056210A1 (en) 2004-02-06
CA2413700A1 (en) 2002-01-17

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