FR2769113B1 - LIGHT DISPLAY DEVICE - Google Patents

LIGHT DISPLAY DEVICE

Info

Publication number
FR2769113B1
FR2769113B1 FR9712006A FR9712006A FR2769113B1 FR 2769113 B1 FR2769113 B1 FR 2769113B1 FR 9712006 A FR9712006 A FR 9712006A FR 9712006 A FR9712006 A FR 9712006A FR 2769113 B1 FR2769113 B1 FR 2769113B1
Authority
FR
France
Prior art keywords
display device
light display
light
display
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.)
Expired - Fee Related
Application number
FR9712006A
Other languages
French (fr)
Other versions
FR2769113A1 (en
Inventor
Stephane Patris
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.)
MEDIA IMAGE
Original Assignee
MEDIA IMAGE
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 MEDIA IMAGE filed Critical MEDIA IMAGE
Priority to FR9712006A priority Critical patent/FR2769113B1/en
Priority to EP98945360A priority patent/EP1027555A1/en
Priority to PCT/FR1998/002036 priority patent/WO1999017053A1/en
Priority to AU92703/98A priority patent/AU9270398A/en
Publication of FR2769113A1 publication Critical patent/FR2769113A1/en
Application granted granted Critical
Publication of FR2769113B1 publication Critical patent/FR2769113B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to 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)
  • Illuminated Signs And Luminous Advertising (AREA)
FR9712006A 1997-09-26 1997-09-26 LIGHT DISPLAY DEVICE Expired - Fee Related FR2769113B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9712006A FR2769113B1 (en) 1997-09-26 1997-09-26 LIGHT DISPLAY DEVICE
EP98945360A EP1027555A1 (en) 1997-09-26 1998-09-23 Illuminated display device
PCT/FR1998/002036 WO1999017053A1 (en) 1997-09-26 1998-09-23 Illuminated display device
AU92703/98A AU9270398A (en) 1997-09-26 1998-09-23 Illuminated display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9712006A FR2769113B1 (en) 1997-09-26 1997-09-26 LIGHT DISPLAY DEVICE

Publications (2)

Publication Number Publication Date
FR2769113A1 FR2769113A1 (en) 1999-04-02
FR2769113B1 true FR2769113B1 (en) 2002-11-29

Family

ID=9511522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9712006A Expired - Fee Related FR2769113B1 (en) 1997-09-26 1997-09-26 LIGHT DISPLAY DEVICE

Country Status (4)

Country Link
EP (1) EP1027555A1 (en)
AU (1) AU9270398A (en)
FR (1) FR2769113B1 (en)
WO (1) WO1999017053A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3151299A (en) * 1999-03-30 2000-10-23 Media Image Luminous display device
AT411635B (en) * 1999-10-06 2004-03-25 Schnurrer Anton ILLUMINATED POSTER SETUP
DE10252642B4 (en) * 2002-11-11 2006-04-20 Veith, Rudolf Walter Device for the backlit presentation of at least one advertising space

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5386347A (en) * 1992-10-02 1995-01-31 Photo Craft Co., Ltd. Illuminating apparatus and a method of manufacturing an edge light conductor for use therein
GB9507725D0 (en) * 1995-04-13 1995-05-31 Spandex Plc Illuminated displays

Also Published As

Publication number Publication date
EP1027555A1 (en) 2000-08-16
AU9270398A (en) 1999-04-23
WO1999017053A1 (en) 1999-04-08
FR2769113A1 (en) 1999-04-02

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060531