ATE408787T1 - Lichtleiterbeleuchtungsvorrichtung zur erzeugung einheitlicher helligkeit entlang ihrer länge - Google Patents

Lichtleiterbeleuchtungsvorrichtung zur erzeugung einheitlicher helligkeit entlang ihrer länge

Info

Publication number
ATE408787T1
ATE408787T1 AT01901806T AT01901806T ATE408787T1 AT E408787 T1 ATE408787 T1 AT E408787T1 AT 01901806 T AT01901806 T AT 01901806T AT 01901806 T AT01901806 T AT 01901806T AT E408787 T1 ATE408787 T1 AT E408787T1
Authority
AT
Austria
Prior art keywords
light
light guide
core
smooth surface
extraction structure
Prior art date
Application number
AT01901806T
Other languages
English (en)
Inventor
David Lundin
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 ATE408787T1 publication Critical patent/ATE408787T1/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
    • 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
    • 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
    • G02B6/0005—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 of the fibre type
    • G02B6/001—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 of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S385/00—Optical waveguides
    • Y10S385/901—Illuminating or display apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Endoscopes (AREA)
AT01901806T 2000-01-10 2001-01-05 Lichtleiterbeleuchtungsvorrichtung zur erzeugung einheitlicher helligkeit entlang ihrer länge ATE408787T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/479,795 US6863428B2 (en) 1997-10-24 2000-01-10 Light guide illumination device appearing uniform in brightness along its length

Publications (1)

Publication Number Publication Date
ATE408787T1 true ATE408787T1 (de) 2008-10-15

Family

ID=23905472

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01901806T ATE408787T1 (de) 2000-01-10 2001-01-05 Lichtleiterbeleuchtungsvorrichtung zur erzeugung einheitlicher helligkeit entlang ihrer länge

Country Status (8)

Country Link
US (1) US6863428B2 (de)
EP (1) EP1247042B1 (de)
JP (1) JP4881528B2 (de)
AT (1) ATE408787T1 (de)
AU (1) AU2001227667A1 (de)
CA (1) CA2395385A1 (de)
DE (1) DE60135825D1 (de)
WO (1) WO2001051851A1 (de)

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Also Published As

Publication number Publication date
JP4881528B2 (ja) 2012-02-22
CA2395385A1 (en) 2001-07-19
US6863428B2 (en) 2005-03-08
JP2003526119A (ja) 2003-09-02
EP1247042A1 (de) 2002-10-09
WO2001051851A1 (en) 2001-07-19
US20020030999A1 (en) 2002-03-14
AU2001227667A1 (en) 2001-07-24
DE60135825D1 (de) 2008-10-30
EP1247042B1 (de) 2008-09-17

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
REN Ceased due to non-payment of the annual fee