AU2000275542A1 - Light extractor for a light guide lamp - Google Patents

Light extractor for a light guide lamp

Info

Publication number
AU2000275542A1
AU2000275542A1 AU2000275542A AU7554200A AU2000275542A1 AU 2000275542 A1 AU2000275542 A1 AU 2000275542A1 AU 2000275542 A AU2000275542 A AU 2000275542A AU 7554200 A AU7554200 A AU 7554200A AU 2000275542 A1 AU2000275542 A1 AU 2000275542A1
Authority
AU
Australia
Prior art keywords
light
guide lamp
extractor
light guide
light extractor
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.)
Abandoned
Application number
AU2000275542A
Inventor
Marcella Pesenti
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 Italy SpA
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 Italy SpA filed Critical 3M Italy SpA
Publication of AU2000275542A1 publication Critical patent/AU2000275542A1/en
Abandoned legal-status Critical Current

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
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk 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
    • G02B6/004—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
    • G02B6/0011—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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
AU2000275542A 2000-09-15 2000-09-15 Light extractor for a light guide lamp Abandoned AU2000275542A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/IT2000/000364 WO2002023084A1 (en) 2000-09-15 2000-09-15 Light extractor for a light guide lamp
US10/389,411 US6994462B2 (en) 2000-09-15 2003-03-14 Light extractor for a light guide lamp

Publications (1)

Publication Number Publication Date
AU2000275542A1 true AU2000275542A1 (en) 2002-03-26

Family

ID=33454674

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000275542A Abandoned AU2000275542A1 (en) 2000-09-15 2000-09-15 Light extractor for a light guide lamp

Country Status (5)

Country Link
US (2) US6994462B2 (en)
EP (1) EP1317640A1 (en)
JP (1) JP2004509442A (en)
AU (1) AU2000275542A1 (en)
WO (1) WO2002023084A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1339700A (en) 1998-11-02 2000-05-22 Presstek, Inc. Transparent conductive oxides for plastic flat panel displays
EP1586813A1 (en) 2004-04-16 2005-10-19 3M Innovative Properties Company Light box
EP1600559A1 (en) 2004-05-26 2005-11-30 3M Innovative Properties Company Carriageway-marking device and system
US7293906B2 (en) * 2005-05-23 2007-11-13 Avago Technologies Ecbu Ip (Singapore) Pte Ltd Light source adapted for LCD back-lit displays
US7513669B2 (en) * 2005-08-01 2009-04-07 Avago Technologies General Ip (Singapore) Pte. Ltd. Light source for LCD back-lit displays
US7583444B1 (en) * 2005-12-21 2009-09-01 3M Innovative Properties Company Process for making microlens arrays and masterforms
EP2468487B1 (en) * 2006-05-18 2017-07-12 3M Innovative Properties Company Light extraction structures and light guides incorporating same
EP2250802B1 (en) * 2008-02-06 2019-05-08 Global Scanning Denmark A/S Measuring and compensating for light intensity in an optical scanner
EP2255231A1 (en) * 2008-02-07 2010-12-01 3M Innovative Properties Company Hollow backlight with structured films
KR100988623B1 (en) * 2008-05-08 2010-10-20 엘지전자 주식회사 Optical pipe and illuminating apparatus comprising the same
IL196690A0 (en) * 2008-05-29 2011-08-01 Plasan Sasa Ltd Interchangeable door
KR20110080170A (en) * 2008-10-27 2011-07-12 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Semispecular hollow backlight with gradient extraction
ITUD20100068A1 (en) * 2010-04-09 2011-10-10 Martini Spa DIFFUSER OF LIGHT, LAMP INCLUDING SUCH DIFFUSER AND PROCEDURE FOR ITS REALIZATION
US8469559B2 (en) 2011-03-28 2013-06-25 Target Brands, Inc. Edge-lit lighting product
DE102013225957A1 (en) 2013-12-13 2015-06-18 BSH Hausgeräte GmbH Lighting with a light guide and household refrigeration appliance with such lighting

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1279783C (en) * 1985-11-21 1991-02-05 Minnesota Mining And Manufacturing Company Totally internally reflecting thin, flexible film
US4805984A (en) * 1985-11-21 1989-02-21 Minnesota Mining And Manufacturing Company Totally internally reflecting light conduit
US4791540A (en) * 1987-05-26 1988-12-13 Minnesota Mining And Manufacturing Company Light fixture providing normalized output
JP2538667B2 (en) * 1989-04-13 1996-09-25 富士通株式会社 Backlight
US5667289A (en) * 1989-05-18 1997-09-16 Seiko Epson Corporation Background lighting apparatus for liquid crystal display
US5134549A (en) * 1990-06-19 1992-07-28 Enplas Corporation Surface light source device
US5442523A (en) * 1991-08-22 1995-08-15 Tosoh Corporation Backlighting device
KR0152279B1 (en) 1991-11-30 1998-10-15 히로가즈 마츠이 Edge light panel and its production
US5882774A (en) * 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
JPH11295603A (en) * 1998-04-09 1999-10-29 Minolta Co Ltd Two-dimensional area oblique illumination system
IT244398Y1 (en) * 1998-11-25 2002-03-11 3M Italia LIGHTING SYSTEM FOR DELICATE OBJECTS INTENDED FOR EXPOSURE TO THE PUBLIC IN PARTICULAR WORKS OF ART
JP2001183509A (en) * 1999-12-22 2001-07-06 Minolta Co Ltd Diffusion optical element illumination optical system, and device for reading film

Also Published As

Publication number Publication date
WO2002023084A1 (en) 2002-03-21
US6994462B2 (en) 2006-02-07
US20040179348A1 (en) 2004-09-16
US7373273B2 (en) 2008-05-13
EP1317640A1 (en) 2003-06-11
US20060083024A1 (en) 2006-04-20
JP2004509442A (en) 2004-03-25

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