AU2001232773A1 - Wedge light extractor with risers - Google Patents

Wedge light extractor with risers

Info

Publication number
AU2001232773A1
AU2001232773A1 AU2001232773A AU3277301A AU2001232773A1 AU 2001232773 A1 AU2001232773 A1 AU 2001232773A1 AU 2001232773 A AU2001232773 A AU 2001232773A AU 3277301 A AU3277301 A AU 3277301A AU 2001232773 A1 AU2001232773 A1 AU 2001232773A1
Authority
AU
Australia
Prior art keywords
risers
light extractor
wedge light
wedge
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
AU2001232773A
Inventor
Gary T Boyd
Richard A. Miller
Leland R. Whitney
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
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of AU2001232773A1 publication Critical patent/AU2001232773A1/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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
AU2001232773A 2000-02-16 2001-01-11 Wedge light extractor with risers Abandoned AU2001232773A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/505,312 US6347874B1 (en) 2000-02-16 2000-02-16 Wedge light extractor with risers
US09505312 2000-02-16
PCT/US2001/000873 WO2001061241A1 (en) 2000-02-16 2001-01-11 Wedge light extractor with risers

Publications (1)

Publication Number Publication Date
AU2001232773A1 true AU2001232773A1 (en) 2001-08-27

Family

ID=24009817

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001232773A Abandoned AU2001232773A1 (en) 2000-02-16 2001-01-11 Wedge light extractor with risers

Country Status (6)

Country Link
US (2) US6347874B1 (en)
EP (1) EP1257767A1 (en)
JP (1) JP2003523536A (en)
CN (1) CN1149435C (en)
AU (1) AU2001232773A1 (en)
WO (1) WO2001061241A1 (en)

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EP1257767A1 (en) 2002-11-20
US6347874B1 (en) 2002-02-19
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US6379016B1 (en) 2002-04-30
CN1149435C (en) 2004-05-12

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