ATE384912T1 - Lichtleiter, geeignet für beleuchtete anzeige - Google Patents

Lichtleiter, geeignet für beleuchtete anzeige

Info

Publication number
ATE384912T1
ATE384912T1 AT01914370T AT01914370T ATE384912T1 AT E384912 T1 ATE384912 T1 AT E384912T1 AT 01914370 T AT01914370 T AT 01914370T AT 01914370 T AT01914370 T AT 01914370T AT E384912 T1 ATE384912 T1 AT E384912T1
Authority
AT
Austria
Prior art keywords
light
optical cavity
light guide
faces
major
Prior art date
Application number
AT01914370T
Other languages
English (en)
Inventor
John Wright
Andrew Hicks
Bruno Mueller
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
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of ATE384912T1 publication Critical patent/ATE384912T1/de

Links

Classifications

    • 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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
    • G02B6/0096—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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • 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
    • G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
AT01914370T 2000-03-16 2001-02-14 Lichtleiter, geeignet für beleuchtete anzeige ATE384912T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0006327.1A GB0006327D0 (en) 2000-03-16 2000-03-16 Light guides suitable for illuminated displays

Publications (1)

Publication Number Publication Date
ATE384912T1 true ATE384912T1 (de) 2008-02-15

Family

ID=9887725

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01914370T ATE384912T1 (de) 2000-03-16 2001-02-14 Lichtleiter, geeignet für beleuchtete anzeige

Country Status (10)

Country Link
EP (1) EP1264134B1 (de)
JP (1) JP2003528426A (de)
KR (1) KR100773796B1 (de)
CN (1) CN1196886C (de)
AT (1) ATE384912T1 (de)
AU (1) AU2001239764A1 (de)
CA (1) CA2401260C (de)
DE (1) DE60132566T2 (de)
GB (1) GB0006327D0 (de)
WO (1) WO2001071248A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7249878B2 (en) 2003-01-10 2007-07-31 Eastman Kodak Company Multi-layer illuminated package
JP4133663B2 (ja) * 2003-07-30 2008-08-13 三菱電機株式会社 面状光源装置および該装置を備えた表示装置
US7223005B2 (en) 2003-12-23 2007-05-29 Lamb David J Hybrid lightguide backlight
US7303322B2 (en) 2003-12-23 2007-12-04 3M Innovative Properties Company Multiple lightguide backlight
EP1586813A1 (de) 2004-04-16 2005-10-19 3M Innovative Properties Company Leuchtkasten
GB0419391D0 (en) 2004-09-01 2004-10-06 3M Innovative Properties Co Luminaire comprising a light box
JP2006339033A (ja) * 2005-06-02 2006-12-14 Sumitomo Dow Ltd 直下型バックライトユニット
JP4712466B2 (ja) * 2005-07-21 2011-06-29 シャープ株式会社 空気調節機器
KR100795447B1 (ko) * 2006-09-11 2008-01-16 노키아 코포레이션 광 가이드, 광가이드 제조 장치, 제조 시스템, 및 제조 방법
EP2162770B1 (de) 2007-06-14 2012-08-08 Avery Dennison Corporation Beleuchtetes grafisches und informationsdisplay
JP2009099271A (ja) * 2007-10-12 2009-05-07 Harison Toshiba Lighting Corp 中空式面照明装置
FR2931748B1 (fr) * 2008-05-29 2010-12-10 Faurecia Interieur Ind Element d'habillage interieur lumineux, porte et vehicule automobile correspondant.
WO2009157243A1 (ja) * 2008-06-26 2009-12-30 日本メクトロン株式会社 導光板及び、導光板の製造方法
US8591052B2 (en) 2008-10-27 2013-11-26 3M Innovative Properties Company Semispecular hollow backlight with gradient extraction
EP2292972B1 (de) 2009-09-02 2013-03-27 3M Innovative Properties Company Lichtvorrichtung und Fahrzeug mit Beleuchtungsvorrichtung
GB2521849A (en) * 2014-01-06 2015-07-08 Technoframe Llp Illuminated advertising boards and components thereof
CN104501094B (zh) * 2014-12-02 2017-10-13 深圳市华星光电技术有限公司 导光板、背光模组及显示装置
CN104597556A (zh) * 2014-12-02 2015-05-06 深圳市华星光电技术有限公司 导光板、背光模组及液晶显示装置
US10851952B2 (en) * 2018-02-15 2020-12-01 Flex-N-Gate Advanced Product Development, Llc Reflective ink lighting assembly
CN111381400A (zh) * 2018-12-27 2020-07-07 汉能移动能源控股集团有限公司 一种适用于受限空间的lcd照明装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874228A (en) * 1987-03-24 1989-10-17 Minnesota Mining And Manufacturing Company Back-lit display
US4791540A (en) * 1987-05-26 1988-12-13 Minnesota Mining And Manufacturing Company Light fixture providing normalized output
US5046826A (en) * 1987-09-19 1991-09-10 Canon Kabushiki Kaisha Illuminator and display panel employing the illuminator
JPH0620939Y2 (ja) * 1989-07-21 1994-06-01 豊興工業株式会社 パイロット操作逆止め弁
EP0500089B1 (de) * 1991-02-21 1996-08-14 Tosoh Corporation Vorrichtung zur Hinterbeleuchtung
JPH05281540A (ja) * 1992-03-31 1993-10-29 Toshiba Lighting & Technol Corp 照明装置および液晶表示装置
WO1994029765A1 (en) * 1993-06-08 1994-12-22 Minnesota Mining And Manufacturing Company Liquid crystal display with enhanced brightness
US6080467A (en) * 1995-06-26 2000-06-27 3M Innovative Properties Company High efficiency optical devices
GB2310525A (en) * 1996-02-24 1997-08-27 Ronnie Revell Illuminated display device
JPH1139916A (ja) * 1997-07-18 1999-02-12 Matsushita Electric Works Ltd 携帯用光照射装置

Also Published As

Publication number Publication date
EP1264134A1 (de) 2002-12-11
KR20020081447A (ko) 2002-10-26
CA2401260C (en) 2009-01-27
DE60132566D1 (de) 2008-03-13
WO2001071248A1 (en) 2001-09-27
KR100773796B1 (ko) 2007-11-07
JP2003528426A (ja) 2003-09-24
EP1264134B1 (de) 2008-01-23
CA2401260A1 (en) 2001-09-27
AU2001239764A1 (en) 2001-10-03
CN1418304A (zh) 2003-05-14
DE60132566T2 (de) 2009-01-29
GB0006327D0 (en) 2000-05-03
CN1196886C (zh) 2005-04-13

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties