EP1803993A1 - Lighting device for signalling panels - Google Patents

Lighting device for signalling panels Download PDF

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Publication number
EP1803993A1
EP1803993A1 EP06291850A EP06291850A EP1803993A1 EP 1803993 A1 EP1803993 A1 EP 1803993A1 EP 06291850 A EP06291850 A EP 06291850A EP 06291850 A EP06291850 A EP 06291850A EP 1803993 A1 EP1803993 A1 EP 1803993A1
Authority
EP
European Patent Office
Prior art keywords
plate
diode
shoulder
light rays
panel
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.)
Withdrawn
Application number
EP06291850A
Other languages
German (de)
French (fr)
Inventor
Gilles Millet Martial
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.)
Ambiance Lumiere
Original Assignee
Ambiance Lumiere
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
Priority claimed from FR0513438A external-priority patent/FR2895784B1/en
Application filed by Ambiance Lumiere filed Critical Ambiance Lumiere
Publication of EP1803993A1 publication Critical patent/EP1803993A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 
    • F21V27/02—Cable inlets

Definitions

  • the present invention relates to a luminous device intended, in particular, for road signs.
  • the illumination is achieved by a battery of diodes arranged linearly above the upper field of the panel. This arrangement is made necessary because the light rays extend substantially along the geometric axis of the diode. The result is not satisfactory because part of the light rays is lost and does not enter the plate. It should be noted, too, that the diodes form a ramp which must include a fixing means which is distinct from that of the panel.
  • diodes being capable of emitting rays located substantially in a plane extending perpendicularly to the geometric axis of the diode.
  • the invention takes advantage of the use of this new diode to make a signaling panel incorporating its lighting source.
  • the diode is maintained in an orifice of the panel so that its geometric axis extends perpendicular to said panel.
  • the light rays emitted by the diode are integrally transmitted without loss to the panel extending parallel to its faces.
  • the diode is held in position by means of a housing in two parts, assembled one on the other and arranged, each, on either side of the panel, one of the parts passing through the panel being transparent and the other being metallic to promote the evacuation, by conduction, of the heat produced by the diode.
  • the problem consists in sending light rays through the thickness of a plate 1, transparent or translucent, with inscriptions engraved or fixed by an adhesive means.
  • the sending of the luminous rays makes appear the inscriptions.
  • the object of the invention is to provide a device for using, as a light source, a diode 2 having the particularity of emitting radii substantially in a plane perpendicular to its geometric axis XY.
  • the diode 2 is held in an opening 3 of the plate 1 so that its geometric axis XY extends perpendicular to the plane of said plate.
  • the diode is held by a two-part housing 4 and 5.
  • Part 4 passes through the plate 1 and extends beyond the latter to receive the part 5.
  • the plate 1 is trapped between the shoulder 6 of the cover 4 and the end 5a of the portion 5.
  • the cover 4 has a recess 7 allowing the housing of the active part of the diode 2.
  • the portion of the cover included in the thickness of the plate is made of a material that can be traversed freely by the light rays.
  • the diode 2 is fixed on a base 8, metal, which can bear on a shoulder 9 of the part 5, also metallic. In this way, the part 5 can evacuate the heat released by the diode.
  • an elastically deformable member such as an O-ring 10
  • O-ring 10 is interposed between the end 4a of the cover and the base 8.
  • the member 10 is compressed and applies the base 8 against the shoulder 9.
  • the power cables are not shown, but it is obvious that it is necessary to connect the usual cables coming out of the diode, and which pass freely through the base 8, to the cable coming from the power supply sector. which enters the part 5 by a hole 11.
  • a space 12 is provided in the part 5 to accommodate the connecting members.
  • Figures 3 and 4 show a variant of the device of the invention for fixing said device on panels having very different thicknesses.
  • the housing enclosing the diode 2 is made in two parts 13 and 14, the 13 being made of a transparent material and the 14 being metallic. Part 13 is screwed into that 14 by trapping the panel 1a (fig.3) or 1b (fig.4).
  • the portion 13, or cover, has a shoulder 15 against which is applied the usual plate 2a of the diode 2.
  • the plate is applied against the shoulder 15 by the action of a spring 16 which also has the function of transmitting the heat emitted by the diode to the metal part 14, said spring being interposed between said plate and the bottom 17 of the part 15 in which is screwed that 13.
  • a metal washer can be interposed between the end of the coil spring 16 and the plate 2a.
  • the rays emitted by the diode remain at a constant distance from the outer face of the panel and this, whatever its thickness.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The device has a diode (2) maintained in an opening (3) of a plate (1) by a case in a lid (4) and a metallic part (5) such that a geometric axis (XY) of the diode extends perpendicular to a plane of the plate. The lid and the metallic part are assembled with each other and disposed on both sides of the plate, where the lid is adapted to traverse the plate and realized in a material to be traversed by light rays. The metallic part is realized in a material permitting to evacuate heat released by the diode.

Description

La présente invention est relative à un dispositif lumineux destiné, notamment, aux panneaux de signalisation.The present invention relates to a luminous device intended, in particular, for road signs.

Il est connu de réaliser des panneaux, en matière transparente ou translucide, comportant des inscriptions, gravées par exemple sur l'une de leurs faces, lesdites inscriptions étant visuellement mises en relief par l'envoi d'un rayon lumineux dans l'épaisseur de la plaque constituant le panneau.It is known to produce panels, transparent or translucent material, comprising inscriptions, engraved for example on one of their faces, said inscriptions being visually highlighted by sending a light beam in the thickness of the plate constituting the panel.

Généralement, l'éclairement est réalisé par une batterie de diodes disposées linéairement au-dessus du champ supérieur du panneau. Cette disposition est rendue nécessaire du fait que les rayons lumineux s'étendent sensiblement selon l'axe géométrique de la diode. Le résultat n'est pas satisfaisant car une partie des rayons lumineux est perdue et ne pénètre pas dans la plaque. Il faut signaler, aussi, que les diodes forment une rampe qui doit comporter un moyen de fixation qui est distinct de celui du panneau.Generally, the illumination is achieved by a battery of diodes arranged linearly above the upper field of the panel. This arrangement is made necessary because the light rays extend substantially along the geometric axis of the diode. The result is not satisfactory because part of the light rays is lost and does not enter the plate. It should be noted, too, that the diodes form a ramp which must include a fixing means which is distinct from that of the panel.

Depuis peu, une nouvelle génération de diodes est apparue sur le marché, lesdites diodes étant capables d'émettre des rayons situés sensiblement dans un plan s'étendant perpendiculairement à l'axe géométrique de la diode.Recently, a new generation of diodes has appeared on the market, said diodes being capable of emitting rays located substantially in a plane extending perpendicularly to the geometric axis of the diode.

L'invention met à profit l'utilisation de cette nouvelle diode pour réaliser un panneau de signalisation incorporant sa source d'éclairage.The invention takes advantage of the use of this new diode to make a signaling panel incorporating its lighting source.

Selon l'invention, la diode est maintenue dans un orifice du panneau de façon à ce que son axe géométrique s'étende perpendiculairement audit panneau.According to the invention, the diode is maintained in an orifice of the panel so that its geometric axis extends perpendicular to said panel.

De cette façon, les rayons lumineux émis par la diode sont intégralement transmis, sans perte, au panneau en s'étendant parallèlement à ses faces.In this way, the light rays emitted by the diode are integrally transmitted without loss to the panel extending parallel to its faces.

Selon un mode de réalisation, la diode est maintenue en position par l'entremise d'un boîtier en deux parties, assemblées l'une sur l'autre et disposée, chacune, de part et d'autre du panneau, l'une des parties qui traverse le panneau étant transparente et l'autre étant métallique pour favoriser l'évacuation, par conduction, de la chaleur produite par la diode.According to one embodiment, the diode is held in position by means of a housing in two parts, assembled one on the other and arranged, each, on either side of the panel, one of the parts passing through the panel being transparent and the other being metallic to promote the evacuation, by conduction, of the heat produced by the diode.

La présente invention sera mieux comprise par la description qui va suivre faite en se référant aux dessins annexés à titre d'exemple indicatif, seulement, sur lesquels :

  • la figure 1 est une vue éclatée, en coupe verticale, montrant les composants du dispositif de l'invention ;
  • la figure 2 est une vue analogue à la figure 1, les composants du dispositif étant représentés en position d'utilisation ;
  • les figures 3 et 4 sont des vues analogues à celle 2 montrant une variante de réalisation permettant d'utiliser le dispositif de l'invention avec des panneaux présentant des épaisseurs très différentes.
The present invention will be better understood from the following description given with reference to the accompanying drawings by way of indicative example only, in which:
  • Figure 1 is an exploded view, in vertical section, showing the components of the device of the invention;
  • Figure 2 is a view similar to Figure 1, the device components being shown in the use position;
  • Figures 3 and 4 are views similar to that 2 showing an alternative embodiment for using the device of the invention with panels having very different thicknesses.

Le problème consiste à envoyer des rayons lumineux à travers l'épaisseur d'une plaque 1, transparente ou translucide, comportant des inscriptions gravées ou fixées par un moyen adhésif. L'envoi des rayons lumineux fait apparaître les inscriptions.The problem consists in sending light rays through the thickness of a plate 1, transparent or translucent, with inscriptions engraved or fixed by an adhesive means. The sending of the luminous rays makes appear the inscriptions.

Le but de l'invention vise un dispositif permettant d'utiliser, comme source de lumière, une diode 2 ayant la particularité d'émettre des rayons lumineux sensiblement dans un plan perpendiculaire à son axe géométrique XY.The object of the invention is to provide a device for using, as a light source, a diode 2 having the particularity of emitting radii substantially in a plane perpendicular to its geometric axis XY.

Selon l'invention, la diode 2 est maintenue dans une ouverture 3 de la plaque 1 de façon à ce que son axe géométrique XY s'étende perpendiculairement au plan de ladite plaque.According to the invention, the diode 2 is held in an opening 3 of the plate 1 so that its geometric axis XY extends perpendicular to the plane of said plate.

Selon un mode de réalisation, la diode est maintenue par un boîtier en deux parties 4 et 5.According to one embodiment, the diode is held by a two-part housing 4 and 5.

La partie 4, ou couvercle, traverse la plaque 1 et s'étend au-delà de cette dernière pour recevoir la partie 5.Part 4, or cover, passes through the plate 1 and extends beyond the latter to receive the part 5.

Comme cela ressort de l'exemple représenté, la plaque 1 est emprisonnée entre l'épaulement 6 du couvercle 4 et l'extrémité 5a de la partie 5.As is apparent from the example shown, the plate 1 is trapped between the shoulder 6 of the cover 4 and the end 5a of the portion 5.

Le couvercle 4 présente un évidement 7 permettant le logement de la partie active de la diode 2.The cover 4 has a recess 7 allowing the housing of the active part of the diode 2.

La partie du couvercle comprise dans l'épaisseur de la plaque est réalisée en une matière pouvant être traversée librement par les rayons lumineux.The portion of the cover included in the thickness of the plate is made of a material that can be traversed freely by the light rays.

La diode 2 est fixée sur une embase 8, métallique, pouvant prendre appui sur un épaulement 9 de la partie 5, également métallique. De cette façon, la partie 5 peut évacuer la chaleur dégagée par la diode.The diode 2 is fixed on a base 8, metal, which can bear on a shoulder 9 of the part 5, also metallic. In this way, the part 5 can evacuate the heat released by the diode.

Comme cela ressort de la figure 2, un organe élastiquement déformable, tel qu'un joint torique 10, est interposé entre l'extrémité 4a du couvercle et l'embase 8. Lorsque le couvercle 4 est vissé à fond, comme montré sur la figure 2, l'organe 10 est comprimé et applique l'embase 8 contre l'épaulement 9.As is apparent from Figure 2, an elastically deformable member, such as an O-ring 10, is interposed between the end 4a of the cover and the base 8. When the cover 4 is screwed to the bottom, as shown in FIG. 2, the member 10 is compressed and applies the base 8 against the shoulder 9.

Sur les dessins, les câbles d'alimentation ne sont pas représentés, mais il est évident qu'il convient de raccorder les câbles usuels qui sortent de la diode, et qui traversent librement l'embase 8, au câble provenant du secteur d'alimentation qui pénètre dans la partie 5 par un orifice 11. Selon l'invention, un espace 12 est prévu dans la partie 5 pour loger les organes de raccordement.In the drawings, the power cables are not shown, but it is obvious that it is necessary to connect the usual cables coming out of the diode, and which pass freely through the base 8, to the cable coming from the power supply sector. which enters the part 5 by a hole 11. According to the invention, a space 12 is provided in the part 5 to accommodate the connecting members.

Les figures 3 et 4 montrent une variante du dispositif de l'invention permettant de fixer ledit dispositif sur des panneaux présentant des épaisseurs très différentes.Figures 3 and 4 show a variant of the device of the invention for fixing said device on panels having very different thicknesses.

Le boîtier, enfermant la diode 2, est réalisé en deux parties 13 et 14, celle 13 étant réalisée en une matière transparente et celle 14 étant métallique. La partie 13 se visse dans celle 14 en emprisonnant le panneau 1 a (fig.3) ou celui 1 b (fig.4).The housing, enclosing the diode 2, is made in two parts 13 and 14, the 13 being made of a transparent material and the 14 being metallic. Part 13 is screwed into that 14 by trapping the panel 1a (fig.3) or 1b (fig.4).

La partie 13, ou couvercle, présente un épaulement 15 contre lequel est appliquée la platine usuelle 2a de la diode 2.The portion 13, or cover, has a shoulder 15 against which is applied the usual plate 2a of the diode 2.

La platine est appliquée contre l'épaulement 15 par l'action d'un ressort 16 qui a également pour fonction de transmettre la chaleur émise par la diode à la partie métallique 14, ledit ressort étant interposé entre ladite platine et le fond 17 de la partie 15 dans laquelle se visse celle 13.The plate is applied against the shoulder 15 by the action of a spring 16 which also has the function of transmitting the heat emitted by the diode to the metal part 14, said spring being interposed between said plate and the bottom 17 of the part 15 in which is screwed that 13.

Une rondelle métallique, non représentée, peut être interposée entre l'extrémité du ressort hélicoïdal 16 et la platine 2a.A metal washer, not shown, can be interposed between the end of the coil spring 16 and the plate 2a.

Il est à noter que, par ce dispositif, les rayons émis par la diode restent à distance constante de la face externe du panneau et, ce, quelle que soit son épaisseur.It should be noted that, by this device, the rays emitted by the diode remain at a constant distance from the outer face of the panel and this, whatever its thickness.

Claims (3)

Dispositif lumineux destiné à envoyer des rayons lumineux dans l'épaisseur d'une plaque (1) transparente ou translucide, comportant une source lumineuse (2) qui est maintenue dans un ouverture (3) de ladite plaque par un boîtier en deux parties (4, 13 et 5, 14), assemblées l'une à l'autre et disposées de part et d'autre de la plaque (1), caractérisé en ce que l'une (4, 13) des parties traverse la plaque (1) et est réalisée en une matière pouvant être traversée facilement par les rayons lumineux, tandis que l'autre partie (5, 14) est réalisée en une matière permettant d'évacuer facilement la chaleur dégagée par la source lumineuse ;Light device for sending light rays in the thickness of a transparent or translucent plate (1), comprising a light source (2) which is held in an opening (3) of said plate by a two-part housing (4) , 13 and 5, 14), assembled to one another and arranged on either side of the plate (1), characterized in that one (4, 13) of the parts passes through the plate (1 ) and is made of a material easily traversed by the light rays, while the other part (5, 14) is made of a material for easily removing heat from the light source; Dispositif selon la revendication 1, caractérisé en ce que la source lumineuse est fixée sur une embase (8) maintenue appliquée contre un épaulement (9) de la partie (5), par l'extrémité de la partie (4), avec interposition d'un organe élastiquement déformable ;Device according to claim 1, characterized in that the light source is fixed on a base (8) maintained pressed against a shoulder (9) of the part (5), by the end of the part (4), with interposition of an elastically deformable member; Dispositif selon la revendication 1, caractérisé en ce que la partie (13), ou couvercle présente un épaulement (15) contre lequel est appliquée la platine usuelle (2a) de la diode sous l'action d'un ressort (16).Device according to claim 1, characterized in that the portion (13), or cover has a shoulder (15) against which is applied the usual plate (2a) of the diode under the action of a spring (16).
EP06291850A 2005-12-29 2006-12-01 Lighting device for signalling panels Withdrawn EP1803993A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0513438A FR2895784B1 (en) 2005-12-29 2005-12-29 LUMINOUS DEVICE FOR SIGNALING PANELS
FR0610251A FR2895785B1 (en) 2005-12-29 2006-11-23 LUMINOUS DEVICE FOR SIGNALING PANELS

Publications (1)

Publication Number Publication Date
EP1803993A1 true EP1803993A1 (en) 2007-07-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06291850A Withdrawn EP1803993A1 (en) 2005-12-29 2006-12-01 Lighting device for signalling panels

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EP (1) EP1803993A1 (en)
FR (1) FR2895785B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2924337A3 (en) * 2014-03-28 2016-03-02 Trilux GmbH & Co. KG Light with a light guide for generating glare-free light over a partial area
EP3182002A1 (en) * 2015-12-18 2017-06-21 Vossloh-Schwebe Italia S.p.A. Lighting module

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986005256A1 (en) * 1985-03-07 1986-09-12 Ledex Gmbh A device for use with an illuminated surface, preferably an electric sign
DE8802815U1 (en) * 1988-02-29 1988-04-21 Fandrich, Heinz-Juergen, 1000 Berlin Lamp for feeding light into a translucent plate through a narrow area of the plate
DE20104098U1 (en) * 2001-03-09 2001-07-19 BAD&POOL GmbH, 15745 Wildau Effect lamp for underwater lighting of whirlpools, pools and the like.
DE10316030A1 (en) * 2003-04-07 2004-10-21 Drees Leuchtenteile Gmbh Illuminated information or advertising sign having a light emitting diode radiating light radially into a transparent plate
DE202005003677U1 (en) * 2005-03-08 2005-06-09 Belski, Wladimir Lighting device for flat translucent objects includes a light-conducting element with sources of light directed at the object's surface
DE202005006915U1 (en) * 2005-04-29 2005-07-07 Röhrig, Martin Light guide element for LED light
WO2006094346A1 (en) * 2005-03-08 2006-09-14 Grant Harold Amor Led lighting apparatus in a plastic housing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986005256A1 (en) * 1985-03-07 1986-09-12 Ledex Gmbh A device for use with an illuminated surface, preferably an electric sign
DE8802815U1 (en) * 1988-02-29 1988-04-21 Fandrich, Heinz-Juergen, 1000 Berlin Lamp for feeding light into a translucent plate through a narrow area of the plate
DE20104098U1 (en) * 2001-03-09 2001-07-19 BAD&POOL GmbH, 15745 Wildau Effect lamp for underwater lighting of whirlpools, pools and the like.
DE10316030A1 (en) * 2003-04-07 2004-10-21 Drees Leuchtenteile Gmbh Illuminated information or advertising sign having a light emitting diode radiating light radially into a transparent plate
DE202005003677U1 (en) * 2005-03-08 2005-06-09 Belski, Wladimir Lighting device for flat translucent objects includes a light-conducting element with sources of light directed at the object's surface
WO2006094346A1 (en) * 2005-03-08 2006-09-14 Grant Harold Amor Led lighting apparatus in a plastic housing
DE202005006915U1 (en) * 2005-04-29 2005-07-07 Röhrig, Martin Light guide element for LED light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2924337A3 (en) * 2014-03-28 2016-03-02 Trilux GmbH & Co. KG Light with a light guide for generating glare-free light over a partial area
EP3182002A1 (en) * 2015-12-18 2017-06-21 Vossloh-Schwebe Italia S.p.A. Lighting module

Also Published As

Publication number Publication date
FR2895785B1 (en) 2015-08-28
FR2895785A1 (en) 2007-07-06

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