AU7487896A - A light unit - Google Patents

A light unit

Info

Publication number
AU7487896A
AU7487896A AU74878/96A AU7487896A AU7487896A AU 7487896 A AU7487896 A AU 7487896A AU 74878/96 A AU74878/96 A AU 74878/96A AU 7487896 A AU7487896 A AU 7487896A AU 7487896 A AU7487896 A AU 7487896A
Authority
AU
Australia
Prior art keywords
light unit
light
unit
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
AU74878/96A
Inventor
Robert Gary Attwood
Antonio Michael Derose
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU7487896A publication Critical patent/AU7487896A/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015Means 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
    • G02B6/002Means 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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021Means 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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/0045Means 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
    • G02B6/0046Tapered light guide, e.g. wedge-shaped light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0075Arrangements of multiple light guides
    • G02B6/0078Side-by-side arrangements, e.g. for large area displays
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0075Arrangements of multiple light guides
    • G02B6/0076Stacked arrangements of multiple light guides of the same or different cross-sectional area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Planar Illumination Modules (AREA)
AU74878/96A 1996-11-14 1996-11-14 A light unit Abandoned AU7487896A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA1996/000743 WO1998021520A1 (en) 1996-11-14 1996-11-14 A light unit

Publications (1)

Publication Number Publication Date
AU7487896A true AU7487896A (en) 1998-06-03

Family

ID=4173181

Family Applications (1)

Application Number Title Priority Date Filing Date
AU74878/96A Abandoned AU7487896A (en) 1996-11-14 1996-11-14 A light unit

Country Status (2)

Country Link
AU (1) AU7487896A (en)
WO (1) WO1998021520A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050222801A1 (en) 2004-04-06 2005-10-06 Thomas Wulff System and method for monitoring a mobile computing product/arrangement
US8594742B2 (en) 2006-06-21 2013-11-26 Symbol Technologies, Inc. System and method for monitoring a mobile device
FR3099229B1 (en) * 2019-07-23 2021-07-30 Dav Backlighting device for at least a first block comprising at least a first symbol intended to be illuminated

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385343A (en) * 1978-12-26 1983-05-24 Plumly George W Edge lighted devices
WO1989011713A1 (en) * 1988-05-19 1989-11-30 Stanilite Pacific Ltd. Luminaire for signs
JPH06102414A (en) * 1991-06-27 1994-04-15 Nitsusen Kagaku Kk Light guide plate and surface lighting fitting
DE9219085U1 (en) * 1991-09-03 1997-10-16 Willing Gmbh Dr Ing Information lamp
US5339179A (en) * 1992-10-01 1994-08-16 International Business Machines Corp. Edge-lit transflective non-emissive display with angled interface means on both sides of light conducting panel

Also Published As

Publication number Publication date
WO1998021520A1 (en) 1998-05-22

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