AU2000263736A1 - Light guide with protective outer sleeve - Google Patents

Light guide with protective outer sleeve

Info

Publication number
AU2000263736A1
AU2000263736A1 AU2000263736A AU6373600A AU2000263736A1 AU 2000263736 A1 AU2000263736 A1 AU 2000263736A1 AU 2000263736 A AU2000263736 A AU 2000263736A AU 6373600 A AU6373600 A AU 6373600A AU 2000263736 A1 AU2000263736 A1 AU 2000263736A1
Authority
AU
Australia
Prior art keywords
light guide
outer sleeve
protective outer
light
protective sleeve
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
AU2000263736A
Inventor
Joseph A Hoffman
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 AU2000263736A1 publication Critical patent/AU2000263736A1/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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/40—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of hollow light guides

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Pens And Brushes (AREA)
  • Gyroscopes (AREA)

Abstract

An illumination device including a light guide 22 surrounded by a protective sleeve 24. The light guide 22 is hollow and includes a cylindrical wall 26 having a structured outer surface 28 and a smooth inner surface 30. Light release structures are provided to reflect or refract light through the cylindrical wall 26 of the light guide 22. In certain embodiments, the protective sleeve is bonded to the light guide. Rigid fixtures can be used to retain the light guide in elastically deformed, non-cylindrical cross-sectional shapes.
AU2000263736A 2000-03-16 2000-07-25 Light guide with protective outer sleeve Abandoned AU2000263736A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/526,609 US6621973B1 (en) 2000-03-16 2000-03-16 Light guide with protective outer sleeve
US09526609 2000-03-16
PCT/US2000/020220 WO2001071396A1 (en) 2000-03-16 2000-07-25 Light guide with protective outer sleeve

Publications (1)

Publication Number Publication Date
AU2000263736A1 true AU2000263736A1 (en) 2001-10-03

Family

ID=24098027

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000263736A Abandoned AU2000263736A1 (en) 2000-03-16 2000-07-25 Light guide with protective outer sleeve

Country Status (11)

Country Link
US (1) US6621973B1 (en)
EP (1) EP1264201B1 (en)
JP (1) JP4884636B2 (en)
KR (1) KR100714757B1 (en)
CN (1) CN1231770C (en)
AT (1) ATE347117T1 (en)
AU (1) AU2000263736A1 (en)
BR (1) BR0017162A (en)
CA (1) CA2401919A1 (en)
DE (1) DE60032180T2 (en)
WO (1) WO2001071396A1 (en)

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US9285531B2 (en) 2008-08-08 2016-03-15 3M Innovative Properties Company Lightguide having a viscoelastic layer for managing light
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CN104456313A (en) * 2014-12-03 2015-03-25 合肥京东方显示光源有限公司 Backlight module and display device
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Also Published As

Publication number Publication date
DE60032180D1 (en) 2007-01-11
JP4884636B2 (en) 2012-02-29
ATE347117T1 (en) 2006-12-15
DE60032180T2 (en) 2007-10-25
KR20020084188A (en) 2002-11-04
US6621973B1 (en) 2003-09-16
CN1451099A (en) 2003-10-22
KR100714757B1 (en) 2007-05-08
EP1264201A1 (en) 2002-12-11
CN1231770C (en) 2005-12-14
EP1264201B1 (en) 2006-11-29
BR0017162A (en) 2002-12-17
JP2003528346A (en) 2003-09-24
CA2401919A1 (en) 2001-09-27
WO2001071396A1 (en) 2001-09-27

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