NL184029B - LIGHT PANEL DEVICE. - Google Patents

LIGHT PANEL DEVICE.

Info

Publication number
NL184029B
NL184029B NL7901162A NL7901162A NL184029B NL 184029 B NL184029 B NL 184029B NL 7901162 A NL7901162 A NL 7901162A NL 7901162 A NL7901162 A NL 7901162A NL 184029 B NL184029 B NL 184029B
Authority
NL
Netherlands
Prior art keywords
panel device
light panel
light
panel
Prior art date
Application number
NL7901162A
Other languages
Dutch (nl)
Other versions
NL184029C (en
NL7901162A (en
Original Assignee
Absil Jean
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 Absil Jean filed Critical Absil Jean
Publication of NL7901162A publication Critical patent/NL7901162A/en
Publication of NL184029B publication Critical patent/NL184029B/en
Application granted granted Critical
Publication of NL184029C publication Critical patent/NL184029C/en

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
    • G02B6/0013—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
    • G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
    • 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
    • G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
NL7901162A 1978-02-17 1979-02-14 LIGHT PANEL DEVICE. NL184029C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE864070 1978-02-17

Publications (3)

Publication Number Publication Date
NL7901162A NL7901162A (en) 1979-08-21
NL184029B true NL184029B (en) 1988-10-17
NL184029C NL184029C (en) 1989-03-16

Family

ID=3861638

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7901162A NL184029C (en) 1978-02-17 1979-02-14 LIGHT PANEL DEVICE.

Country Status (7)

Country Link
JP (2) JPS54139396A (en)
CA (1) CA1112446A (en)
DE (1) DE2906022A1 (en)
ES (1) ES477819A1 (en)
FR (1) FR2417819A1 (en)
LU (1) LU80931A1 (en)
NL (1) NL184029C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4124567A1 (en) * 1991-07-24 1993-01-28 Siegel Geb Gmbh Co Kg CUSTOMER GUIDE FOR SELF-SERVICE SHOPS, DOMESTIC MARKETS, TRAIN STATIONS, AIRPORTS AND THE LIKE
DE9300991U1 (en) * 1993-01-26 1993-04-29 Gerecke, Martin, 4350 Recklinghausen Light guiding device, especially for advertising purposes
DE9310110U1 (en) * 1993-07-07 1994-11-10 Lumatec S A Light board
DE4407295A1 (en) * 1994-03-04 1995-09-14 Borsi Kg F Sign with transparent acrylic panel, decorative layer and light source
DE4425246A1 (en) * 1994-07-16 1996-01-18 Schoeniger Karl Heinz Illuminated scoreboard
DE19514649A1 (en) * 1995-04-20 1996-10-24 Msd Auto Und Sportzubehoer Gmb Light conductor indicator element for e.g. information and advertising display
DE19802329A1 (en) * 1998-01-22 1999-07-29 Erco Leuchten Light unit for illuminated sign
DE29809938U1 (en) 1998-06-03 1998-08-27 Müller, Frank R., Dipl.-Ing., 01326 Dresden Display device with changing display
FR2982196B1 (en) * 2011-11-07 2015-07-17 Saint Gobain LIGHT SIGNALING GLAZING FOR VEHICLE
US10451792B2 (en) 2014-02-28 2019-10-22 Signify Holding B.V. Lighting system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR684026A (en) * 1928-11-03 1930-06-20 Illuminated signs
US2623313A (en) * 1948-06-14 1952-12-30 Paul E Fuchs Edge illuminated sign
FR1015173A (en) * 1950-02-21 1952-08-28 Process for obtaining luminous patterns, colorless or colored, on a transparent plate and apparatus or advertising devices resulting therefrom
FR2346795A1 (en) * 1976-04-01 1977-10-28 Regie Autonome Transports Glazed illuminated display panel - contains as diffusor a surface-treated highly refractive transparent plate, pref. of PMMA, lit from the edge

Also Published As

Publication number Publication date
JPS5920285U (en) 1984-02-07
FR2417819B1 (en) 1983-11-10
NL184029C (en) 1989-03-16
LU80931A1 (en) 1979-06-18
DE2906022A1 (en) 1979-08-23
FR2417819A1 (en) 1979-09-14
CA1112446A (en) 1981-11-17
JPS54139396A (en) 1979-10-29
NL7901162A (en) 1979-08-21
ES477819A1 (en) 1979-11-01

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19980901