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CA2071165A1 - Panneau d'eclairage en contre-jour, a fibres optiques; methode de fabrication dudit panneau par points disposes geometriquement - Google Patents

Panneau d'eclairage en contre-jour, a fibres optiques; methode de fabrication dudit panneau par points disposes geometriquement

Info

Publication number
CA2071165A1
CA2071165A1 CA2071165A CA2071165A CA2071165A1 CA 2071165 A1 CA2071165 A1 CA 2071165A1 CA 2071165 A CA2071165 A CA 2071165A CA 2071165 A CA2071165 A CA 2071165A CA 2071165 A1 CA2071165 A1 CA 2071165A1
Authority
CA
Canada
Prior art keywords
light
fiber optic
optical fibers
layer
liquid crystal
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.)
Granted
Application number
CA2071165A
Other languages
English (en)
Other versions
CA2071165C (fr
Inventor
J. Michael Myers
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.)
Poly-Optical Products 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 CA2071165A1 publication Critical patent/CA2071165A1/fr
Application granted granted Critical
Publication of CA2071165C publication Critical patent/CA2071165C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • 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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0409—Arrangements for homogeneous illumination of the display surface, e.g. using a layer having a non-uniform transparency
    • 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)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
CA002071165A 1991-06-27 1992-06-12 Panneau d'eclairage en contre-jour, a fibres optiques; methode de fabrication dudit panneau par points disposes geometriquement Expired - Fee Related CA2071165C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/722,757 US5226105A (en) 1991-06-27 1991-06-27 Fiber optic backlighting panel and dot process for making same
US07/722,757 1991-06-27

Publications (2)

Publication Number Publication Date
CA2071165A1 true CA2071165A1 (fr) 1992-12-28
CA2071165C CA2071165C (fr) 2000-10-03

Family

ID=24903253

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002071165A Expired - Fee Related CA2071165C (fr) 1991-06-27 1992-06-12 Panneau d'eclairage en contre-jour, a fibres optiques; methode de fabrication dudit panneau par points disposes geometriquement

Country Status (7)

Country Link
US (1) US5226105A (fr)
EP (1) EP0520368B1 (fr)
JP (1) JP3193125B2 (fr)
KR (1) KR100227719B1 (fr)
CA (1) CA2071165C (fr)
DE (2) DE520368T1 (fr)
TW (1) TW212831B (fr)

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US8409088B2 (en) 2006-01-18 2013-04-02 Invuity, Inc. Retractor illumination system
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Also Published As

Publication number Publication date
JP3193125B2 (ja) 2001-07-30
TW212831B (fr) 1993-09-11
EP0520368B1 (fr) 1996-02-07
KR100227719B1 (ko) 1999-11-01
DE69208159T2 (de) 1996-09-19
DE520368T1 (de) 1993-08-12
US5226105A (en) 1993-07-06
DE69208159D1 (de) 1996-03-21
EP0520368A2 (fr) 1992-12-30
CA2071165C (fr) 2000-10-03
EP0520368A3 (en) 1993-03-24
KR930000991A (ko) 1993-01-16
JPH05210017A (ja) 1993-08-20

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