EP2485208A1 - Lighting body - Google Patents

Lighting body Download PDF

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Publication number
EP2485208A1
EP2485208A1 EP12153776A EP12153776A EP2485208A1 EP 2485208 A1 EP2485208 A1 EP 2485208A1 EP 12153776 A EP12153776 A EP 12153776A EP 12153776 A EP12153776 A EP 12153776A EP 2485208 A1 EP2485208 A1 EP 2485208A1
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EP
European Patent Office
Prior art keywords
base
base body
side surfaces
light
transparent
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
EP12153776A
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German (de)
French (fr)
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EP2485208B1 (en
Inventor
Norbert Maierhofer
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Individual
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Individual
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Publication of EP2485208A1 publication Critical patent/EP2485208A1/en
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Publication of EP2485208B1 publication Critical patent/EP2485208B1/en
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    • 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
    • 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
    • G09F13/0404—Signs, boards or panels, illuminated from behind the insignia the light source being enclosed in a box forming the character of the sign
    • 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
    • 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
    • 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

  • the invention relates to a luminous element, in particular luminous advertising body in the form of a letter or other advertising characters, comprising a transparent base body having a top surface and a base surface, wherein in the region of the base illuminants are arranged within the body, and the bulbs are embedded in the body with a transparent filling , according to the preamble of claim 1.
  • Luminaires of this type are known in many designs, such as in the form of letters, which are assembled into words and serve as neon signs.
  • the luminous bodies are designed as transparent bodies made of plastic, such as acrylic, or glass.
  • a "transparent body” is understood to mean that it is translucent but very light-scattering, and therefore not transparent.
  • the base body is cut out of a plastic block, resulting in side surfaces, which are oriented at right angles to the base and top surfaces.
  • the base area grooves are subsequently milled, which are equipped with light sources, usually light emitting diodes (LED).
  • the bulbs are electrically connected to each other, and the grooves are closed with a transparent filling compound, so that the bulbs are securely embedded.
  • the base surface is generally provided with a reflective layer, for example in the form of a reflective plate, so that a maximum of the light of the light source is emitted via the cover surface.
  • the body must have a minimum thickness. Due to the consequent attenuation of light within the transparent base body therefore a correspondingly high light output must be applied via the light source in order to achieve a sufficient brightness of the filament. Due to the required minimum thickness of the body conventional light bulbs also act clunky, so that hardly an elegant design can be realized, which is disadvantageous precisely because of the use as a means of advertising.
  • Claim 1 relates to a luminous element, in particular luminous advertising body in the form of a letter or other advertising characters, comprising a transparent base body having a top surface and a base surface, wherein in the region of the base illuminants are arranged within the body, and the light source in the base body with a transparent filling compound are embedded.
  • the base body is designed in the region of the lighting means with inclined or curved side surfaces, wherein the lighting means are arranged in a web-like manner in the base body, and the side surfaces follow the path-like course of the lighting means.
  • the inclined or curved side surfaces thus act as a reflector that maximizes the amount of light that reaches and is emitted from the top surface. Thereby, the number of lamps used or their luminous power can be reduced without reducing the brightness of the filament.
  • the inclined or curved side surfaces also provide a slimmer appearance of the filament, creating a visually appealing design is possible. The luminaire seems to float in front of the support wall.
  • the lighting means are arranged like a web in the luminous body, and the side surfaces follow the path-like course of the luminous means.
  • This embodiment is particularly suitable for illuminated letters, wherein it is ensured that the light-emitting means arranged in the manner of a web are always arranged between reflective side surfaces in their vicinity.
  • Fig. 1 is a luminous body according to the invention in the form of the letter "d" can be seen.
  • the luminous body has a base body 1 with side surfaces 2, which are designed inclined in the embodiment shown.
  • the base body 1 is designed as a transparent solid body made of plastic, such as acrylic, or glass.
  • grooves 4 are milled in the area of the base, in which bulbs 5, usually LEDs, are arranged like a web.
  • the electrical contact is not shown, which serve the power supply of the lamps 5.
  • the Fig. 2 shows a section through the luminous body according to the invention according to the Fig. 1 along the section line AA, wherein in addition to the base 3 and the top surface 6 can be seen, which is provided in the embodiment shown with a transparent luminescent film, which serves to protect the body 1 from damage and weathering.
  • the side surfaces 2 are designed inclined, they open from the base 3 in the direction of the top surface 6. This results in a trapezoidal cross section of the main body 1 in the region of the grooves 4 and the surrounding side surfaces 2, which widens in the direction of the top surface 6.
  • the side surfaces 2, and the laterally encircling, vertical end edge 7 of the main body 1 are provided with a reflective lacquer in order to improve the reflection of the emitted light from the bulbs 5.
  • the top surface 6 is facing the viewer.
  • the inclined or curved side surfaces 2 are reflective for the light emitted by the light sources 5, so that the light output radiated in the direction of the top surface 6 is increased. As a result, the number of luminous means 5 used or their luminous power can be reduced without reducing the brightness of the luminous body.
  • the inclined or curved side surfaces 2 also provide a slimmer appearance of the filament, thereby allowing a visually pleasing design.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

The body has a transparent base body (1) provided with a top surface (6) and a base surface (3). Illuminants (5) i.e. LEDs, within the base body in a region of the base surface. The illuminants in the base body are embedded with transparent material filler. The base body in a region of the illuminants is arranged with inclined or curved side surfaces (2). The illuminants are arranged in the base body as a sheet. The side surfaces follow a sheet-like course of the illuminants and reflect the light radiated by the illuminants.

Description

Die Erfindung betrifft einen Leuchtkörper, insbesondere Leuchtwerbekörper in Form eines Buchstabens oder anderer Werbezeichen, umfassend einen transparenten Grundkörper mit einer Deckfläche und einer Grundfläche, wobei im Bereich der Grundfläche Leuchtmittel innerhalb des Grundkörpers angeordnet sind, und die Leuchtmittel im Grundkörper mit einer transparenten Füllmasse eingebettet sind, gemäß dem Oberbegriff von Anspruch 1.The invention relates to a luminous element, in particular luminous advertising body in the form of a letter or other advertising characters, comprising a transparent base body having a top surface and a base surface, wherein in the region of the base illuminants are arranged within the body, and the bulbs are embedded in the body with a transparent filling , according to the preamble of claim 1.

Leuchtkörper dieser Art sind in vielfältigen Ausführungen bekannt, etwa in Form von Buchstaben, die zu Wörtern zusammengesetzt werden und als Leuchtreklamen dienen. Die Leuchtkörper sind dabei als transparente Körper aus Kunststoff, etwa Acryl, oder Glas ausgeführt. Unter einem "transparenten Körper" wird im Folgenden verstanden, dass er zwar lichtdurchlässig, jedoch stark lichtstreuend, und daher nicht durchsichtig ist. In herkömmlicher Weise wird dabei der Grundkörper etwa aus einem Kunststoffblock ausgeschnitten, wobei sich dabei Seitenflächen ergeben, die rechtwinkelig zur Grund- und Deckfläche orientiert sind. Im Bereich der Grundfläche werden in weiterer Folge Nuten eingefräst, die mit Leuchtmittel, in der Regel Leuchtdioden (LED), bestückt werden. Die Leuchtmittel werden miteinander elektrisch verbunden, und die Nuten mit einer transparenten Füllmasse verschlossen, sodass die Leuchtmittel sicher eingebettet sind. Das von den Leuchtmitteln abgegebene Licht wird somit durch den transparenten Grundkörper aufgrund der Lichtstreuung homogenisiert, und über die Deckfläche in Richtung des Betrachters abgestrahlt. Die Deckfläche scheint daher gleichmäßig zu leuchten, ohne dass die genaue Positionierung der Leuchtmittel erkennbar wäre. Zur Verbesserung der Abstrahlcharakteristik wird die Grundfläche in der Regel mit einer reflektierenden Schicht versehen, etwa in Form einer reflektierenden Platte, sodass ein Maximum des Lichts der Leuchtmittel über die Deckfläche abgestrahlt wird.Luminaires of this type are known in many designs, such as in the form of letters, which are assembled into words and serve as neon signs. The luminous bodies are designed as transparent bodies made of plastic, such as acrylic, or glass. In the following, a "transparent body" is understood to mean that it is translucent but very light-scattering, and therefore not transparent. In a conventional manner, the base body is cut out of a plastic block, resulting in side surfaces, which are oriented at right angles to the base and top surfaces. In the area of the base area grooves are subsequently milled, which are equipped with light sources, usually light emitting diodes (LED). The bulbs are electrically connected to each other, and the grooves are closed with a transparent filling compound, so that the bulbs are securely embedded. The light emitted by the bulbs light is thus homogenized by the transparent body due to the light scattering, and emitted via the top surface in the direction of the viewer. The top surface therefore seems to shine evenly, without the exact positioning of the bulbs would be visible. In order to improve the emission characteristic, the base surface is generally provided with a reflective layer, for example in the form of a reflective plate, so that a maximum of the light of the light source is emitted via the cover surface.

Um eine ausreichende Homogenisierung des Lichts der Leuchtmittel, und somit eine gleichmäßige Abstrahlcharakteristik über die gesamte Deckfläche zu erreichen, muss der Grundkörper jedoch über eine Mindestdicke verfügen. Aufgrund der dadurch bedingten Lichtabschwächung innerhalb des transparenten Grundkörpers muss daher eine entsprechend hohe Lichtleistung über die Leuchtmittel aufgebracht werden, um eine ausreichende Helligkeit des Leuchtkörpers zu erzielen. Aufgrund der erforderlichen Mindestdicke des Grundkörpers wirken herkömmliche Leuchtkörper auch klobig, sodass kaum ein elegantes Design verwirklicht werden kann, was gerade aufgrund des Einsatzes als Werbemittel nachteilig ist.To a sufficient homogenization of the light of the bulbs, and thus a uniform radiation characteristic over the entire top surface However, the body must have a minimum thickness. Due to the consequent attenuation of light within the transparent base body therefore a correspondingly high light output must be applied via the light source in order to achieve a sufficient brightness of the filament. Due to the required minimum thickness of the body conventional light bulbs also act clunky, so that hardly an elegant design can be realized, which is disadvantageous precisely because of the use as a means of advertising.

Es ist daher das Ziel der Erfindung herkömmliche Leuchtkörper so zu verbessern, dass die erforderliche Lichtleistung der Leuchtmittel bei gleicher Helligkeit des Leuchtkörpers an der Deckfläche reduziert werden kann, wodurch sich auch eine verbesserte Energieeffizienz ergibt. Des Weiteren soll ein optisch verbessertes Erscheinungsbild erreicht werden.It is therefore the object of the invention to improve conventional filaments so that the required light output of the bulbs can be reduced at the same brightness of the filament on the top surface, which also results in improved energy efficiency. Furthermore, an optically improved appearance should be achieved.

Diese Ziele werden durch die Merkmale von Anspruch 1 erreicht. Anspruch 1 bezieht sich auf einen Leuchtkörper, insbesondere Leuchtwerbekörper in Form eines Buchstabens oder anderer Werbezeichen, umfassend einen transparenten Grundkörper mit einer Deckfläche und einer Grundfläche, wobei im Bereich der Grundfläche Leuchtmittel innerhalb des Grundkörpers angeordnet sind, und die Leuchtmittel im Grundkörper mit einer transparenten Füllmasse eingebettet sind. Erfindungsgemäß ist hierbei vorgesehen, dass der Grundkörper im Bereich der Leuchtmittel mit geneigten oder gebogenen Seitenflächen ausgeführt ist, wobei die Leuchtmittel bahnenartig im Grundkörper angeordnet sind, und die Seitenflächen dem bahnenartigen Verlauf der Leuchtmittel folgen.These objects are achieved by the features of claim 1. Claim 1 relates to a luminous element, in particular luminous advertising body in the form of a letter or other advertising characters, comprising a transparent base body having a top surface and a base surface, wherein in the region of the base illuminants are arranged within the body, and the light source in the base body with a transparent filling compound are embedded. According to the invention, it is provided that the base body is designed in the region of the lighting means with inclined or curved side surfaces, wherein the lighting means are arranged in a web-like manner in the base body, and the side surfaces follow the path-like course of the lighting means.

Aufgrund der geneigten oder gebogenen Seitenflächen wird der physikalische Effekt der Totalreflexion genutzt, der an Grenzflächen zwischen einem optisch dichteren Medium und einem optisch dünneren Medium auftritt. Das Licht wird dabei, aus dem optisch dichteren Medium kommend, in das optisch dichtere Medium zurück reflektiert, ohne dass es dabei einer zusätzlichen, reflektierenden Schicht an der Grenzfläche bedarf. Bei herkömmlichen Leuchtkörpern, bei denen die Seitenflächen rechtwinkelig zur Grund- und Deckfläche orientiert sind, erfolgt stattdessen ein Übertritt in das optisch dünnere Medium unter Brechung vom Lot, und somit zu Streuverlusten, die nur durch Verwendung einer zusätzlichen, reflektierenden Schicht unterbunden werden können. Bei einem erfindungsgemäßen Leuchtkörper kann somit auf eine zusätzliche, reflektierende Schicht weitestgehend verzichtet werden, zumindest kann mit lediglich einer dünnen Schicht in Form einer reflektierenden Folie oder einem reflektierenden Lack das Auslangen gefunden werden.Due to the inclined or curved side surfaces of the physical effect of total reflection is used, which occurs at interfaces between a more dense optical medium and a thinner optical medium. The light is, coming from the optically denser medium, reflected back into the optically denser medium, without it one requires additional, reflective layer at the interface. In conventional luminaires, in which the side surfaces are oriented at right angles to the base and top surface, instead of a transition into the optically thinner medium under refraction from the solder, and thus to scattering losses that can be prevented only by using an additional reflective layer. In the case of a luminous element according to the invention, it is thus possible to dispense with an additional, reflective layer as far as possible, at least it is possible to make do with only a thin layer in the form of a reflective foil or a reflective lacquer.

Die geneigten oder gebogenen Seitenflächen wirken somit als Reflektor, die jene Lichtmenge, die die Deckfläche erreicht und von ihr abgestrahlt wird, maximiert. Dadurch kann die Anzahl der verwendeten Leuchtmittel oder deren Leuchtleistung reduziert werden, ohne die Helligkeit des Leuchtkörpers zu verringern. Die geneigten oder gebogenen Seitenflächen sorgen außerdem für ein schlankeres Erscheinungsbild des Leuchtkörpers, wodurch ein optisch ansprechendes Design ermöglicht wird. Der Leuchtkörper scheint geradezu vor der Trägerwand zu schweben.The inclined or curved side surfaces thus act as a reflector that maximizes the amount of light that reaches and is emitted from the top surface. Thereby, the number of lamps used or their luminous power can be reduced without reducing the brightness of the filament. The inclined or curved side surfaces also provide a slimmer appearance of the filament, creating a visually appealing design is possible. The luminaire seems to float in front of the support wall.

Des Weiteren wird erfindungsgemäß vorgeschlagen, dass die Leuchtmittel bahnenartig im Leuchtkörper angeordnet sind, und die Seitenflächen dem bahnenartigen Verlauf der Leuchtmittel folgen. Diese Ausführungsform ist insbesondere für Leuchtbuchstaben geeignet, wobei sichergestellt wird, dass die bahnenartig angeordneten Leuchtmittel stets zwischen reflektierenden Seitenflächen in deren Nahbereich angeordnet sind.Furthermore, it is proposed according to the invention that the lighting means are arranged like a web in the luminous body, and the side surfaces follow the path-like course of the luminous means. This embodiment is particularly suitable for illuminated letters, wherein it is ensured that the light-emitting means arranged in the manner of a web are always arranged between reflective side surfaces in their vicinity.

Die Erfindung wird im Folgenden mithilfe eines Ausführungsbeispiels mithilfe der beiliegenden Figuren näher erläutert. Es zeigen hierbei die

  • Fig. 1 eine Ansicht eines erfindungsgemäßen Leuchtkörpers von oben gesehen, und die
  • Fig. 2 einen Schnitt durch den erfindungsgemäßen Leuchtkörper gemäß der Fig. 1 entlang der Schnittlinie A-A.
The invention will be explained in more detail below using an exemplary embodiment with reference to the accompanying figures. It show here the
  • Fig. 1 a view of a filament according to the invention seen from above, and the
  • Fig. 2 a section through the luminous body according to the invention according to the Fig. 1 along the section line AA.

In der Fig. 1 ist ein erfindungsgemäßer Leuchtkörper in Form des Buchstaben "d" ersichtlich. Der Leuchtkörper weist einen Grundkörper 1 mit Seitenflächen 2 auf, die im gezeigten Ausführungsbeispiel geneigt ausgeführt sind. Der Grundkörper 1 ist dabei als transparenter Vollkörper aus Kunststoff, etwa Acryl, oder Glas ausgeführt. In den Grundkörper 1 sind im Bereich der Grundfläche 3 Nuten 4 eingefräst, in denen Leuchtmittel 5, in der Regel LEDs, bahnenartig angeordnet sind. In der Fig. 1 ist die elektrische Kontaktierung nicht eingezeichnet, die der Stromversorgung der Leuchtmittel 5 dienen.In the Fig. 1 is a luminous body according to the invention in the form of the letter "d" can be seen. The luminous body has a base body 1 with side surfaces 2, which are designed inclined in the embodiment shown. The base body 1 is designed as a transparent solid body made of plastic, such as acrylic, or glass. In the base body 1 3 grooves 4 are milled in the area of the base, in which bulbs 5, usually LEDs, are arranged like a web. In the Fig. 1 the electrical contact is not shown, which serve the power supply of the lamps 5.

Die Fig. 2 zeigt einen Schnitt durch den erfindungsgemäßen Leuchtkörper gemäß der Fig. 1 entlang der Schnittlinie A-A, wobei neben der Grundfläche 3 auch die Deckfläche 6 ersichtlich ist, die im gezeigten Ausführungsbeispiel mit einer durchsichtigen Leuchtfolie versehen ist, die dem Schutz des Grundkörpers 1 vor Beschädigungen und Witterungseinflüssen dient. Die Seitenflächen 2 sind geneigt ausgeführt, wobei sie sich von der Grundfläche 3 in Richtung der Deckfläche 6 öffnen. Es ergibt sich somit ein trapezförmiger Querschnitt des Grundkörpers 1 im Bereich der Nuten 4 und der sie umgebenden Seitenflächen 2, der sich in Richtung der Deckfläche 6 aufweitet. Im gezeigten Ausführungsbeispiel sind die Seitenflächen 2, sowie die seitlich umlaufende, vertikale Abschlusskante 7 des Grundkörpers 1 mit einem reflektierenden Lack versehen, um die Reflexion des, von den Leuchtmitteln 5 abgestrahlten Lichts zu verbessern. Die Deckfläche 6 ist dabei dem Betrachter zugewandt.The Fig. 2 shows a section through the luminous body according to the invention according to the Fig. 1 along the section line AA, wherein in addition to the base 3 and the top surface 6 can be seen, which is provided in the embodiment shown with a transparent luminescent film, which serves to protect the body 1 from damage and weathering. The side surfaces 2 are designed inclined, they open from the base 3 in the direction of the top surface 6. This results in a trapezoidal cross section of the main body 1 in the region of the grooves 4 and the surrounding side surfaces 2, which widens in the direction of the top surface 6. In the embodiment shown, the side surfaces 2, and the laterally encircling, vertical end edge 7 of the main body 1 are provided with a reflective lacquer in order to improve the reflection of the emitted light from the bulbs 5. The top surface 6 is facing the viewer.

Wie bereits ausgeführt wurde, wirken die geneigten bzw. gebogenen Seitenflächen 2 reflektierend für das, von den Leuchtmitteln 5 abgestrahlte Licht, sodass die in Richtung der Deckfläche 6 abgestrahlte Lichtleistung erhöht wird. Dadurch kann die Anzahl der verwendeten Leuchtmittel 5 oder deren Leuchtleistung reduziert werden, ohne die Helligkeit des Leuchtkörpers zu verringern. Die geneigten oder gebogenen Seitenflächen 2 sorgen außerdem für ein schlankeres Erscheinungsbild des Leuchtkörpers, wodurch ein optisch ansprechendes Design ermöglicht wird.As already stated, the inclined or curved side surfaces 2 are reflective for the light emitted by the light sources 5, so that the light output radiated in the direction of the top surface 6 is increased. As a result, the number of luminous means 5 used or their luminous power can be reduced without reducing the brightness of the luminous body. The inclined or curved side surfaces 2 also provide a slimmer appearance of the filament, thereby allowing a visually pleasing design.

Claims (1)

Leuchtkörper, insbesondere Leuchtwerbekörper in Form eines Buchstabens oder anderer Werbezeichen, umfassend einen transparenten Grundkörper (1) mit einer Deckfläche (6) und einer Grundfläche (3), wobei im Bereich der Grundfläche (3) Leuchtmittel (5) innerhalb des Grundkörpers (1) angeordnet sind, und die Leuchtmittel (5) im Grundkörper (1) mit einer transparenten Füllmasse eingebettet sind, dadurch gekennzeichnet, dass der Grundkörper (1) im Bereich der Leuchtmittel (5) mit geneigten oder gebogenen Seitenflächen (2) ausgeführt ist, wobei die Leuchtmittel (5) bahnenartig im Grundkörper (1) angeordnet sind, und die Seitenflächen (2) dem bahnenartigen Verlauf der Leuchtmittel (5) folgen.Luminous body, in particular illuminated advertising body in the form of a letter or other advertising characters, comprising a transparent base body (1) with a cover surface (6) and a base surface (3), wherein in the region of the base surface (3) light source (5) within the base body (1) are arranged, and the lighting means (5) in the base body (1) are embedded with a transparent filling material, characterized in that the base body (1) in the region of the lighting means (5) with inclined or curved side surfaces (2) is executed, wherein the Light-emitting means (5) are arranged like a web in the base body (1), and the side surfaces (2) follow the path-like course of the light-emitting means (5).
EP12153776.5A 2011-02-03 2012-02-03 Lighting body Active EP2485208B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT562011 2011-02-03

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EP2485208A1 true EP2485208A1 (en) 2012-08-08
EP2485208B1 EP2485208B1 (en) 2014-05-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3188165A1 (en) * 2015-12-31 2017-07-05 Avner Harel Illuminated ink letter showcase

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2287629A1 (en) 1999-10-26 2001-04-26 Yves Langevin Back and edge-illuminated sign
WO2007087710A1 (en) 2006-02-01 2007-08-09 Tir Technology Lp Lighting system for creating an illuminated surface
EP2014974A1 (en) * 2007-07-13 2009-01-14 Electrolux Home Products Corporation N.V. Lighting device, and electric household appliance equipped with such a device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2287629A1 (en) 1999-10-26 2001-04-26 Yves Langevin Back and edge-illuminated sign
CA2287629C (en) * 1999-10-26 2006-01-24 Yves Langevin Back and edge-illuminated sign
WO2007087710A1 (en) 2006-02-01 2007-08-09 Tir Technology Lp Lighting system for creating an illuminated surface
EP2014974A1 (en) * 2007-07-13 2009-01-14 Electrolux Home Products Corporation N.V. Lighting device, and electric household appliance equipped with such a device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3188165A1 (en) * 2015-12-31 2017-07-05 Avner Harel Illuminated ink letter showcase

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EP2485208B1 (en) 2014-05-14

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