EP2709088B1 - Eclairage - Google Patents

Eclairage Download PDF

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Publication number
EP2709088B1
EP2709088B1 EP13004139.5A EP13004139A EP2709088B1 EP 2709088 B1 EP2709088 B1 EP 2709088B1 EP 13004139 A EP13004139 A EP 13004139A EP 2709088 B1 EP2709088 B1 EP 2709088B1
Authority
EP
European Patent Office
Prior art keywords
light
adhesive layer
pictogram
luminaire according
afore
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.)
Active
Application number
EP13004139.5A
Other languages
German (de)
English (en)
Other versions
EP2709088A2 (fr
EP2709088A3 (fr
Inventor
Kai Hendrik Sabla
Gerhard Rotgeri
Stefan Volpert
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.)
Eaton Intelligent Power Ltd
Original Assignee
Eaton Intelligent Power Ltd
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 Eaton Intelligent Power Ltd filed Critical Eaton Intelligent Power Ltd
Publication of EP2709088A2 publication Critical patent/EP2709088A2/fr
Publication of EP2709088A3 publication Critical patent/EP2709088A3/fr
Application granted granted Critical
Publication of EP2709088B1 publication Critical patent/EP2709088B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G08B7/062—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources indicating emergency exits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • 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
    • G09F13/0418—Constructional details
    • G09F2013/05—Constructional details indicating exit way or orientation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1872—Casing
    • G09F2013/1881—Frame-like
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs

Definitions

  • such a luminaire has at least one transparent light guide and distribution plate and a number of LEDs (light emitting diodes) assigned to at least one light entry edge of the plate. Furthermore, at least one lateral light exit surface of the Licht Installations- and -istribution plate is associated with a pictogram.
  • the pictogram can be printed directly on the light exit surface or connected to it via a translucent and self-adhesive film.
  • Such a lamp has a flat design and can be mounted in different ways. A disadvantage of such a lamp may be that the light distribution is unbalanced, with the pictogram being generally better illuminated in an area closer to the LEDs.
  • a reflection device may be associated with the light guiding and distribution plate opposite the light entry edge.
  • small structures or printed structures may be assigned to the light exit surface (s) of the corresponding panel. These lead to an improved and uniform illumination of the entire light exit surface and thus the corresponding pictogram.
  • a disadvantage of such a lamp is optionally the additional arrangement of such provided with structures plates or the application of the corresponding structures in order to obtain a uniformly illuminated light exit surface.
  • a lamp frame is required, which holds the different parts in correct alignment with each other.
  • a warning light which has, inter alia, a light distribution body.
  • light is fed in along a light entry edge.
  • a corresponding lamp is arranged adjacent to the light entry edge.
  • End caps are arranged on corresponding sides of the light entry body by means of an adhesive or an adhesive film as an intermediate carrier.
  • the adhesive is stated that this should have the same base material as light guide or lens. It is particularly pointed out that the disc and light distribution body are optically tightly interconnected.
  • JP 2011 081 329 A discloses a light-emitting panel for uniformly emitting light over the entire surface of the panel to illuminate, in particular, an advertisement or the like.
  • the light-emitting plate includes, for example, a translucent plate material, a reflection material on a back side of the translucent plate material, a light control coating, and a light diffusion material.
  • the light control coating it is possible to use an adhesive material.
  • Object of the present invention is to improve a lamp of the type mentioned in that with a simple structure and in a cost effective manner, a lamp with a flat design and uniform illumination in particular of the pictogram can be realized.
  • halftone dots can be different in size as required.
  • corresponding raster points are arranged randomly with respect to each other, but always have the same size. That is, for lighter areas, more halftone dots are provided, and for darker areas, correspondingly fewer halftone dots are provided for coupling light out of the light guide and distribution panel.
  • the structures of the adhesive layer are possible, such as structuring only in certain areas, structuring by different structural elements also possibly of different sizes and the like.
  • the structured adhesive layer achieves uniform light density and light distribution with regard to the pictogram.
  • the adhesive layer may be applied to the light exit surface and / or the pictogram back of the pictogram to be assigned to the light exit surface.
  • the adhesive layer with structures can also be applied only in places, to ensure sufficient and bright illumination in the area of important parts of the pictogram, while in other areas light is reflected, for example, by total reflection at the corresponding interfaces back into the Licht Installations- and -istribution. In this way, the light distribution is controlled by the application of the structured adhesive layer. It is also possible that the application of the adhesive layer takes place on both the pictogram back and the light exit surface so that on different surfaces applied adhesive layers do not overlap or are complementary to each other.
  • the corresponding structuring of the adhesive layer can be effected, in particular, by the adhesive layer being applied at least in places with a predetermined light distribution pattern and / or being formed with this light distribution pattern. D. h., It is also possible that an adhesive layer is applied to the light exit surface or the Pictogramm Wegseite on the full page, however, the light distribution pattern is provided only at predetermined and selected locations.
  • a structured adhesive film can be applied both to the light exit surface and to the back of the pictogram and correspondingly in turn complementary or non-overlapping.
  • this can be designed as a translucent foil with appropriate security or escape sign. Also conceivable is the use of a pictogram plate or other pictograms with greater thickness.
  • the adhesive layer and / or the pictogram as a film, plate or the like for light scattering contains a corresponding light scattering pigment. This ensures that the corresponding structures of the adhesive layer do not lead to corresponding structures in the light distribution in the pictogram. Instead, corresponding structures are not resolved. Depending on the size and design of the corresponding structures, different or different amounts of a corresponding light scattering pigment may be contained in the adhesive layer and / or the pictogram foil or plate.
  • the LEDs can be arranged in the form of a particularly self-adhesive LED luminous strip or strip along a corresponding light-entry edge. That is, an LED strip or strip of appropriate length is placed and fixed directly along the light entry edge. This attachment can also be done directly over the strip or tape, if this is self-adhesive. In addition to a self-adhesive arrangement of a corresponding LED strip light this can also be attached by other fastening measures such as detents, screws, rivets, welding, insertion in brackets or the like.
  • the lamp can be built up from directly connected parts, it is particularly advantageous if the light is frameless. This eliminates additional facilities for attaching the items of the lamp together.
  • the lamp is very compact and can be attached directly to the corresponding ceiling, wall or pendulum hanger by inserting or otherwise.
  • the lamp according to the invention additionally has a frame, which is provided for example for decoration reasons.
  • the structure of the lamp can be further simplified if, if appropriate, the adhesive layer is fully automatically applied.
  • D. h. Depending on the pictogram used is a mechanical application of the adhesive or the adhesive layer.
  • a corresponding lamp 1 according to the invention shows after FIG. 1 different parts, which are assembled to a lamp of flat and compact design.
  • the lamp 1 after FIG. 1 be frameless, with appropriate facilities for mounting or mounting the lamp are not shown.
  • such a lamp can be used both for ceiling mounting, wall mounting or pendulum mounting and pictograms can be arranged on both sides of the corresponding lamp.
  • the electrical supply and Greieronon for the light after FIG. 1 can be arranged in the corresponding mounting devices, which usually only an electrical connection to the bulbs is required.
  • the luminaire has a central light guide and distribution plate 2.
  • This is formed from a transparent or at least translucent material.
  • An example of such a material is polycarbonate, polymethylmethacrylate (PMMA) or other similar material.
  • the Licht Installations- and -istribution plate 2 has a rectangular cross-section with a uniform thickness.
  • One edge of the plate see the light entry edge 3 at the top after FIG. 1 , an LED strip 12 is associated with a number of LEDs 4 (light emitting diodes).
  • the assignment of the corresponding strip or in band form can also take place along another edge or several edges.
  • a strip-shaped reflector 14 is arranged opposite the corresponding light entry edge 3.
  • the Licht Resultss- and distribution plate 2 has two lateral light exit surfaces 5.
  • each of these lateral light exit surfaces 5 each associated with a pictogram 6 in the form of a pictogram sheet 11.
  • the corresponding icon 6 is applied over the entire surface of the light exit surface. It exists however, also the possibility that the icon 6 is surrounded by a pictogram-free edge region on the corresponding light exit surface.
  • the pictogram 6 after FIG. 1 serves to identify an escape route and is usually formed in two colors, for example in white and green.
  • an adhesive layer 7 is applied between the icon 6 and the light exit surface 5.
  • the application of the adhesive layer 7 can take place on the light exit surface or on a pictogram rear side 8 of the pictogram 6 which is assigned to the light exit surface 5.
  • the corresponding adhesive layer is applied on both surfaces with little or no overlap and in particular complementary.
  • the adhesive layer has a structuring, which in FIG. 1 is formed essentially by a plurality of grid-shaped adhesive dots.
  • the adhesive dots may have uniform sizes and a uniform distribution, so that the same size adhesive dots are each arranged at equal intervals. Also possible are differently sized adhesive dots and / or different arrangement structures optionally also with adhesive-free areas. Also, the density or geometric shape of the corresponding adhesive dots may vary.
  • the adhesive is applied directly to one of the surfaces, for example by screen printing. Also possible is the use of an adhesive film with a corresponding grid of adhesive dots or the like.
  • the corresponding grid results in a light distribution pattern 9 through the adhesive, which pattern supports light emission in the direction of the icon, at least in certain areas of the light guiding and distribution panel, in order to illuminate these areas of the pictogram uniformly and brightly.
  • the Lichtverteilmuster can also be formed over the entire light exit surface 5, to allow a total of uniform and bright illumination of the icon 6.
  • the corresponding Lichtverteilmuster is determined fitting to the icon and then in a correspondingly predetermined manner on the light exit surface 5 of Licht entries- and distribution plate or on the pictogram back 8 applied.
  • the Lichtverteilmuster may be formed differently on different light exit surfaces 5 a Licht entries- and -istribution, for example, if different icons are arranged on the two light exit surfaces.
  • FIG. 2 shows a section through the light according to the invention for the schematic representation of the light extraction.
  • the polymethyl methacrylate light guide and distribution plate 2 has a refractive index of 1.49
  • the adhesive 7 has a refractive index of 1.48
  • the pictogram film (polyvinyl chloride) has a refractive index of 1.54. That is, the difference in the refractive indices between the adhesive and the plate is very small and causes rays of light having an angle of incidence of ⁇ 6.7 ° to the corresponding inner surface of the plate not to be coupled into the adhesive. However, light rays with all higher angles of incidence are coupled into the adhesive and finally also transmitted to the pigment film or plate.
  • the light is scattered in adhesive layer or pictogram foil or plate.
  • a scattering can be effected, for example, by using a corresponding light scattering pigment in the Adhesive and / or in the pictogram sheet or plate is included.
  • a pigment is in FIG. 2 designated by the reference numeral 15.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (10)

  1. Luminaire de sécurité ou de secours avec une plaque de guidage et de distribution de la lumière (2) transparente, un certain nombre de LEDs (4) associées à au moins un bord d'entrée de la lumière (3) de la plaque de guidage et de distribution de la lumière (2) et au moins un pictogramme (6) associé à une surface de sortie de la lumière (5) latérale de la plaque de guidage et de distribution de la lumière (2), caractérisé en ce qu'une couche adhésive (7) structurée pour la distribution de la lumière est disposée entre le pictogramme (6) et la surface de sortie de la lumière (5), où la couche adhésive (7) comporte au moins partiellement des trames à modulation d'amplitude et/ou à modulation de fréquence, où dans le cas d'une trame à modulation d'amplitude, des points de trame respectifs sont disposés de manière strictement géométrique les uns par rapport aux autres et en particulier à distance égale les uns des autres, et, dans le cas d'une trame à modulation de fréquence, des points de trame respectifs sont disposés de manière aléatoire les uns par rapport aux autres et présentent essentiellement la même taille.
  2. Luminaire selon la revendication 1, caractérisé en ce que la couche adhésive (7) est appliquée sur la surface de sortie de la lumière (5) et/ou la face arrière de pictogramme (8) du pictogramme (6) orientée vers la surface de sortie de la lumière (5).
  3. Luminaire selon la revendication 1 ou 2, caractérisé en ce qu'un motif de distribution de la lumière (9) prédéterminé est appliqué au moins par endroits sur la couche adhésive (7) et/ou la couche adhésive est formée avec celui-ci.
  4. Luminaire selon l'une des revendications précédentes, caractérisé en ce que la couche adhésive (7) est un film adhésif structuré.
  5. Luminaire selon l'une des revendications précédentes, caractérisé en ce que la couche adhésive (7) est appliquée par impression au pochoir, sérigraphie, impression à jet d'encre, au moyen d'un distributeur ou d'un motif de poinçonnage.
  6. Luminaire selon l'une des revendications précédentes, caractérisé en ce que le pictogramme (6) prend la forme d'un film (11) ou d'une plaque translucide avec des symboles de sécurité ou de secours.
  7. Luminaire selon l'une des revendications précédentes, caractérisé en ce que les LEDs (4) sont disposées sous forme de bande ou de ruban LED lumineux (12) autocollant le long d'un bord d'entrée de la lumière (3).
  8. Luminaire selon l'une des revendications précédentes, caractérisé en ce que le luminaire (1) est formé sans cadre.
  9. Luminaire selon l'une des revendications précédentes, caractérisé en ce que la couche adhésive (7) peut être appliquée de manière entièrement automatique.
  10. Luminaire selon l'une des revendications précédentes, caractérisé en ce que la couche adhésive (7) et/ou le film/plaque à pictogramme contiennent un pigment de diffusion de la lumière.
EP13004139.5A 2012-09-13 2013-08-21 Eclairage Active EP2709088B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012008800U DE202012008800U1 (de) 2012-09-13 2012-09-13 Leuchte

Publications (3)

Publication Number Publication Date
EP2709088A2 EP2709088A2 (fr) 2014-03-19
EP2709088A3 EP2709088A3 (fr) 2014-10-15
EP2709088B1 true EP2709088B1 (fr) 2019-11-13

Family

ID=47228791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13004139.5A Active EP2709088B1 (fr) 2012-09-13 2013-08-21 Eclairage

Country Status (3)

Country Link
EP (1) EP2709088B1 (fr)
AU (1) AU2013224702B2 (fr)
DE (1) DE202012008800U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023274799A1 (fr) * 2021-06-28 2023-01-05 Zumtobel Lighting Gmbh Dispositif d'éclairage de sortie de secours pourvu d'un élément de guidage de lumière

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016014487A1 (fr) * 2014-07-22 2016-01-28 Corning Incorporated Dispositif d'affichage d'image rétroéclairée
DE102019123074B4 (de) * 2019-08-28 2021-07-01 Manfred Töller Beleuchtbare Hausnummernanzeigevorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011081329A (ja) * 2009-10-02 2011-04-21 Aidou:Kk 発光パネル

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DE4219294A1 (de) * 1992-06-12 1993-12-16 Willing Gmbh Dr Ing Kompakte Lichtleitscheibenleuchte
EP0533301B1 (fr) * 1991-09-03 1999-12-08 Dr. Ing. Willing Gmbh Signe indicatrice illuminée par derrière
DE4339276A1 (de) * 1993-11-18 1995-05-24 Willing Gmbh Dr Ing Lichtleitkörper mit optisch getrennter Anbringung einer Trägerscheibe mit Hinweiselementen
DE10241566A1 (de) * 2002-09-07 2004-03-25 Dr.-Ing. Willing Gmbh Lichtleitkörper zur Umlenkung von Lichtverteilungen
US7802892B2 (en) * 2007-09-18 2010-09-28 Ava Young Decoratable light box
DE102009060607B4 (de) * 2009-12-23 2015-10-29 Rp-Technik Gmbh Rettungszeichenleuchte mit erhöhter Lichtausbeute
US20110219648A1 (en) * 2010-03-12 2011-09-15 Trevor James Led edge-lit signage utilizing digital print technology

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011081329A (ja) * 2009-10-02 2011-04-21 Aidou:Kk 発光パネル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023274799A1 (fr) * 2021-06-28 2023-01-05 Zumtobel Lighting Gmbh Dispositif d'éclairage de sortie de secours pourvu d'un élément de guidage de lumière

Also Published As

Publication number Publication date
AU2013224702B2 (en) 2015-07-09
EP2709088A2 (fr) 2014-03-19
AU2013224702A1 (en) 2014-03-27
EP2709088A3 (fr) 2014-10-15
DE202012008800U1 (de) 2012-10-29

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