CA2227618A1 - Structured surface light extraction overlay and illumination system - Google Patents

Structured surface light extraction overlay and illumination system Download PDF

Info

Publication number
CA2227618A1
CA2227618A1 CA002227618A CA2227618A CA2227618A1 CA 2227618 A1 CA2227618 A1 CA 2227618A1 CA 002227618 A CA002227618 A CA 002227618A CA 2227618 A CA2227618 A CA 2227618A CA 2227618 A1 CA2227618 A1 CA 2227618A1
Authority
CA
Canada
Prior art keywords
light
overlay
light guide
base surface
optically
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
CA002227618A
Other languages
English (en)
French (fr)
Inventor
David J. Lundin
Roger H. Appeldorn
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 Co
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 CA2227618A1 publication Critical patent/CA2227618A1/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
    • 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
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2817—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using reflective elements to split or combine optical signals
    • 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
    • G02B6/005—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Wire Bonding (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CA002227618A 1995-08-23 1996-07-02 Structured surface light extraction overlay and illumination system Abandoned CA2227618A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/518337 1995-08-23
US08/518,337 US5631994A (en) 1995-08-23 1995-08-23 Structured surface light extraction overlay and illumination system

Publications (1)

Publication Number Publication Date
CA2227618A1 true CA2227618A1 (en) 1997-03-06

Family

ID=24063503

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002227618A Abandoned CA2227618A1 (en) 1995-08-23 1996-07-02 Structured surface light extraction overlay and illumination system

Country Status (11)

Country Link
US (1) US5631994A (enExample)
EP (1) EP0846241B1 (enExample)
JP (1) JPH11512191A (enExample)
KR (1) KR19990044014A (enExample)
AT (1) ATE225014T1 (enExample)
AU (1) AU6407496A (enExample)
CA (1) CA2227618A1 (enExample)
DE (1) DE69623974T2 (enExample)
NO (1) NO980402L (enExample)
WO (1) WO1997008490A1 (enExample)
ZA (1) ZA966248B (enExample)

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US7664350B2 (en) * 2007-09-10 2010-02-16 Banyan Energy, Inc. Compact optics for concentration, aggregation and illumination of light energy
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KR101406891B1 (ko) * 2008-06-18 2014-06-13 삼성디스플레이 주식회사 표시 장치
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Also Published As

Publication number Publication date
US5631994A (en) 1997-05-20
KR19990044014A (ko) 1999-06-25
EP0846241B1 (en) 2002-09-25
ZA966248B (en) 1998-01-23
WO1997008490A1 (en) 1997-03-06
DE69623974D1 (de) 2002-10-31
DE69623974T2 (de) 2003-01-23
ATE225014T1 (de) 2002-10-15
NO980402D0 (no) 1998-01-29
AU6407496A (en) 1997-03-19
EP0846241A1 (en) 1998-06-10
MX9801304A (es) 1998-05-31
JPH11512191A (ja) 1999-10-19
NO980402L (no) 1998-02-23

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Legal Events

Date Code Title Description
FZDE Discontinued