CA2641961A1 - Optical devices for guiding illumination - Google Patents

Optical devices for guiding illumination Download PDF

Info

Publication number
CA2641961A1
CA2641961A1 CA002641961A CA2641961A CA2641961A1 CA 2641961 A1 CA2641961 A1 CA 2641961A1 CA 002641961 A CA002641961 A CA 002641961A CA 2641961 A CA2641961 A CA 2641961A CA 2641961 A1 CA2641961 A1 CA 2641961A1
Authority
CA
Canada
Prior art keywords
light
structures
ramp
angle
optical device
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
CA002641961A
Other languages
English (en)
French (fr)
Inventor
Stephen H. Chakmakjian
Donald J. Schertler
Tasso Sales
Michael G. Morris
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.)
RPC Photonics Inc
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 CA2641961A1 publication Critical patent/CA2641961A1/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
    • G02B6/0011—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
    • G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
    • 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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02B6/0058—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

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)
CA002641961A 2006-02-10 2007-02-08 Optical devices for guiding illumination Abandoned CA2641961A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/351,699 US7593615B2 (en) 2006-02-10 2006-02-10 Optical devices for guiding illumination
US11/351,699 2006-02-10
PCT/US2007/003360 WO2007095049A2 (en) 2006-02-10 2007-02-08 Optical devices for guiding illumination

Publications (1)

Publication Number Publication Date
CA2641961A1 true CA2641961A1 (en) 2007-08-23

Family

ID=38368584

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002641961A Abandoned CA2641961A1 (en) 2006-02-10 2007-02-08 Optical devices for guiding illumination

Country Status (8)

Country Link
US (3) US7593615B2 (enExample)
EP (1) EP2008132A4 (enExample)
JP (1) JP2009526368A (enExample)
KR (1) KR20090015884A (enExample)
CN (2) CN102620242A (enExample)
AU (1) AU2007215434A1 (enExample)
CA (1) CA2641961A1 (enExample)
WO (1) WO2007095049A2 (enExample)

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US8111968B2 (en) 2012-02-07
CN101421557A (zh) 2009-04-29
EP2008132A2 (en) 2008-12-31
US8369678B2 (en) 2013-02-05
US20100027288A1 (en) 2010-02-04
US20090297113A1 (en) 2009-12-03
US7593615B2 (en) 2009-09-22
EP2008132A4 (en) 2010-03-31
CN101421557B (zh) 2012-03-21
AU2007215434A1 (en) 2007-08-23
WO2007095049A3 (en) 2008-12-24
WO2007095049A2 (en) 2007-08-23
KR20090015884A (ko) 2009-02-12
US20070189701A1 (en) 2007-08-16
CN102620242A (zh) 2012-08-01
JP2009526368A (ja) 2009-07-16

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