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EP2023035A1 - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
EP2023035A1
EP2023035A1 EP07015210A EP07015210A EP2023035A1 EP 2023035 A1 EP2023035 A1 EP 2023035A1 EP 07015210 A EP07015210 A EP 07015210A EP 07015210 A EP07015210 A EP 07015210A EP 2023035 A1 EP2023035 A1 EP 2023035A1
Authority
EP
European Patent Office
Prior art keywords
luminaire according
flat frame
housing
functional unit
reflector
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
EP07015210A
Other languages
German (de)
French (fr)
Other versions
EP2023035B1 (en
Inventor
Hartmut S. Engel
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.)
Individual
Original Assignee
Individual
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 to AT07015210T priority Critical patent/ATE445808T1/en
Application filed by Individual filed Critical Individual
Priority to DE502007001744T priority patent/DE502007001744D1/en
Priority to ES07015210T priority patent/ES2335042T3/en
Priority to EP07015210A priority patent/EP2023035B1/en
Priority to CA002638414A priority patent/CA2638414A1/en
Priority to MX2008009850A priority patent/MX2008009850A/en
Priority to US12/184,533 priority patent/US7841738B2/en
Publication of EP2023035A1 publication Critical patent/EP2023035A1/en
Application granted granted Critical
Publication of EP2023035B1 publication Critical patent/EP2023035B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • 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
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a luminaire with a pot-shaped housing for receiving electrical components and for detachable mounting of a functional unit having at least one main luminous surface.
  • the object of the invention is to design a lamp of this type in such a way that it can be used both for indoor and outdoor use and can be designed as a pure LED light with surface light output.
  • the preferably planar trained main luminescent surface of the functional unit is parallel to the bottom wall of the housing or its mounting surface and the edge is bounded by a peripheral flat frame made of thermally conductive material that the flat frame thermally conductive with at least one LED Carrier is connected, which is located in the functional unit in the region of the back of the flat frame and the LED's supporting surface is directed to a arranged between the bottom wall of the housing and the main luminescent reflector so that the main luminescent surface is substantially uniformly applied with diffuse light.
  • each used LED bulbs have a monochromatic light color, but can also deliver dynamic RGB light.
  • the circumferential flat frame made of thermally conductive material is used as a cooling surface and effectively dissipates the heat generated within the lamp to the outside.
  • the flat frame forms both the visible side edge outer boundary of the main luminescent surface as well as the functional unit, whereby the light contrast is increased and the luminaire with sharp outlines in appearance occurs, so that aesthetically the impression of a framed light surface arises.
  • the functional unit carrying the flat frame is designed as a translucent body, in particular as an opal glass body or as a translucent plastic body of one or more parts, in which the flat frame is inserted flush and connected to the likewise thermally conductive LED carriers via thermally conductive elements passing through the wall of the functional unit is.
  • the side luminescent surfaces can also be associated with partial reflector surfaces of angled Edge regions of the concave curved and fully illuminated LED reflector are formed.
  • a particularly advantageous embodiment of the invention which likewise has the advantages already explained above, is distinguished by the fact that the functional unit is designed as a space body which widens on all sides starting from the flat-top-shaped housing and has a base section which can be coupled to the housing and an adjoining and widening one Inclined surface portion which merges into an edge portion which is formed as a support for the main luminous surface and the flat frame.
  • the angle between the bottom wall of the housing and the inclined surface portions is selected to be significantly less than 45 °, resulting in this way for the light aesthetically the desired character of a flat screen.
  • plastic plate is preferably prism side covered with a glass plate and back with a light-diffusing film.
  • the plate-shaped main luminous surface can be combined with the flat frame to form a unit and connected to the end region of the functional unit via a peripheral edge bent at right angles, in particular welded or glued.
  • a divider wall-forming, preferably flat, reflector is preferably arranged between the base section and the inclined surface section.
  • the walls of the inclined surface portion may be made translucent, but it is also possible to make the inner walls of the inclined surface portion reflective.
  • the necessary lead wires extend in the bending edges between adjacent inclined wall partial surfaces.
  • these wires are connected to the LED groups each via a contact surface on the LED carrier attacking spring contact, so that the electrical connections are inevitably made when the unit of main luminescent surface, flat frame and LED carriers placed on the free edge portion of the lamp body and connected thereto.
  • the luminaire comprises a flat-top-shaped housing 1 and a functional unit 2 which can be coupled and connected to the housing 1 and which is formed by a shaped body made of light-permeable material.
  • the functional unit 2 defines together with the housing 1 a flat interior, in which there is a concave reflector 10 with respect to the main surface 3, which is supported in the housing 1 and extends with its lowest point to the vicinity of the bottom wall 4 of the housing and In the region of its upper and its lower edge, an edge region which is obtusely bent in the direction of the housing and which forms a partial reflector surface 9 in each case.
  • the translucent material consisting of functional unit 2 with flat main luminescent surface 3 carries a peripheral flat frame 5 made of opaque and especially heat-conducting material, which limits the main luminescent surface 3 on the one hand and on the other flush with the side wall of the functional unit 2.
  • an LED support 6 is provided, which consists of thermally conductive material and also thermally conductive, preferably integrally molded fixing strips 6 'and the translucent material of the functional unit 2 passing through connecting elements 12 with the flat frame. 5 connected is.
  • the laterally connected to the LED support 6 fixing strips 6 extend below the flat frame 5 adjacent to the inside of the main luminescent surface 3 and are fixed on the flat frame 5 provided on the inside, peg-shaped connecting elements 12 and heat-conducting connected to the flat frame 5.
  • the LED carrier 6 can be adjusted in particular by a simple bending process relative to its fixing strips 6 'in its inclination with respect to the main luminescent surface 3, so that the arranged on a particular reflective surface 8 of the support 6 LED's with respect to the concave reflector 10 optimally - Considering the LED's preferably associated optics - can be directed and thereby the reflector 10 at least from one side and preferably from both sides applied uniformly with light and the desired full surface diffuse backlit main luminescent surface 3 is obtained.
  • the LEDs whose monochromatic light color can be predetermined, are preferably positioned so that part of the light emitted by them also strikes the partial reflector surfaces 9 and is reflected from there to the side walls of the functional unit. Since these side walls are transparent, arise in this way side light surfaces 11, which are advantageous in an embodiment as surface mounted or semi-recessed lights in appearance.
  • Fig. 2 shows a preferred embodiment of the invention, which is designed in terms of their spatial design in the manner of a flat screen.
  • the flat-top-shaped housing 1 can be coupled via flush-mounted snap-action clamping elements 18 with a widening spatial body, which is formed by a base portion 13 and an adjoining, on all sides widening inclined surface portion 14, which merges into an edge portion 15, which serves as a carrier for the main luminescent surface 3 and the flat frame 5 is formed.
  • the snap-action clamping elements or clip clamping closures 18 can be blocked by means of a securing screw 19.
  • the arrangement of the light emitting diodes below the flat frame 5 and the dissipation of the heat generated by the LED's to the flat frame 5 is analogous to the embodiment according to Fig. 1 designed.
  • a concave curved reflector as in the embodiment according to Fig. 1 is provided according to Fig. 2 a arranged between the base portion 13 and the inclined surface portion 14 and at the same time a partition forming reflector 16 is used, which is preferably flat.
  • the inclined surfaces 14 are usually translucent, but their inner wall sides can also be designed to be reflective and form a total reflector with the flat reflector 16, which reflects the light emitted by the concealed "LEDs" on this total reflector diffuse light to the main luminescent surface 13 and their largely uniform application ensures with reflection light.
  • microprism structure is preferred for realizing the main luminous surface 3 provided plastic plate used, which is preferably prism side covered with a glass plate and back with a light-diffusing film.
  • This structure is combined with the flat frame 5 to a unit and preferably glued or welded to the edge portion 15.
  • At least the edge section 15 running perpendicular to the main luminous surface 3 is designed to be translucent.
  • the units required for powering the LED's are the units required for powering the LED's.
  • the electrical connection between these power supply units and the LEDs is preferably via electrical conductors which are guided along the bending edges 17 between adjacent inclined surfaces. In this way, these electrical conductors do not appear visually disturbing.
  • Fig. 3 shows a portion of a lamp according to the invention for explaining the contacting of the LED units.
  • the reflector surface 16 separating the upper region of the luminaire and the housing-side region of the luminaire is not shown, but the support edges for this reflector surface can be seen on the step-shaped transitional region between the base section 13 and the end section engaging in the housing 1.
  • the respective electrical conductor 21, which is connected via a plug connection 22 to the power supply, runs in bending edges 17 and ends in a spring contact 25 in the region of the LED carrier 6.
  • a contact surface 24 is provided opposite the spring contact 25.
  • the spring contact 25th is applied when the unit of main luminous surface 3, 5 flat frame and LED support 6 with associated fixing strips 6 'is connected to the edge portion 15.
  • the contact surface 24 is in electrical communication with the LEDs 20, i. Each group of LED's 20 is connected via two contact surfaces 24 to the power supply.
  • FIG. 3 also shows the configuration of the lateral fixing strips 6 ', which are provided with holes 23 through which extend in the assembled state, the connecting elements 12 which are provided on the flat frame 5. It is also apparent that the LED support 6 can be changed in terms of its angular position to the fixing strips 6 'by a bending operation, wherein the electrical contact between the spring contact 25 and the contact surface 24 remains unchanged.
  • Each of the two mutually opposite provided LED support 6 extends over the length of a rectangular side and has at both ends in each case a contact surface 24.
  • FIG. 4 shows a preferred embodiment of a square or square structure having lamp according to the invention.
  • the housing 1 is connected to the functional unit 2 via clip clamping closures 18, so that after production of the electrical connections in the region of the housing 1 including in Fig. 3 shown connector 22, the functional unit 2 set only on the housing 1 and must be coupled by means of snap connections 18 with the housing.
  • the Fig. 4 also makes it clear that the LED units are practically invisible and also the leading to these units in the four bending edges 17 electrical conductors 21 are not disturbing in appearance.
  • Over the large-area reflector 16 a full-surface and extremely uniform application of the main luminous surface is achieved, and it can be additionally ensured that the respective desired lateral light emission via the edge portions 15, not shown in this representation oblique surface portions 14 and the base portions 13.
  • the main luminescent surface 3 may carry pictograms or other characteristics, such as house numbers, with these characteristics appear particularly clearly due to the uniformly diffuse backlighting.
  • This application is an example of the many uses of the invention, especially designed in the manner of a flat screen light.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

The luminaire has several LEDs that are arranged on a heat conducting LED carrier (6), and flat frame (5) made of heat conducting material that is connected to the carrier. The flat frame made of light permeable material is formed on outer periphery of main lighting surface (3) comprising a plastic plate. The light emitted from the LEDs is irradiated on a reflector arranged opposite to the main lighting surface.

Description

Die Erfindung betrifft eine Leuchte mit einem topfförmigen Gehäuse zur Aufnahme von elektrischen Komponenten und zur lösbaren Halterung einer zumindest eine Hauptleuchtfläche aufweisenden Funktionseinheit.The invention relates to a luminaire with a pot-shaped housing for receiving electrical components and for detachable mounting of a functional unit having at least one main luminous surface.

Aufgabe der Erfindung ist es, eine Leuchte dieser Art in der Weise auszubilden, dass sie sowohl für den Innen- als auch Außenbereich verwendbar ist und als reine LED-Leuchte mit flächiger Lichtabgabe gestaltet werden kann.The object of the invention is to design a lamp of this type in such a way that it can be used both for indoor and outdoor use and can be designed as a pure LED light with surface light output.

Gelöst wird diese Aufgabe nach der Erfindung im Wesentlichen dadurch, dass die vorzugsweise eben ausgebildete Hauptleuchtfläche der Funktionseinheit parallel zur Bodenwand des Gehäuses bzw. dessen Befestigungsfläche verläuft und randseitig durch einen umlaufenden Flachrahmen aus wärmeleitendem Material begrenzt ist, dass der Flachrahmen wärmeleitend mit zumindest einem LED-Träger verbunden ist, der sich in der Funktionseinheit im Bereich der Rückseite des Flachrahmens befindet und dessen die LED's tragende Fläche derart zu einem zwischen der Bodenwand des Gehäuses und der Hauptleuchtfläche angeordneten Reflektor gerichtet ist, dass die Hauptleuchtfläche im Wesentlichen gleichmäßig mit Diffuslicht beaufschlagt wird.This object is achieved according to the invention essentially in that the preferably planar trained main luminescent surface of the functional unit is parallel to the bottom wall of the housing or its mounting surface and the edge is bounded by a peripheral flat frame made of thermally conductive material that the flat frame thermally conductive with at least one LED Carrier is connected, which is located in the functional unit in the region of the back of the flat frame and the LED's supporting surface is directed to a arranged between the bottom wall of the housing and the main luminescent reflector so that the main luminescent surface is substantially uniformly applied with diffuse light.

Durch diese Merkmale wird eine in ästhetischer Hinsicht den Charakter eines Flachbildschirms besitzende Leuchte mit gleichmäßig über den Reflektor mit Diffuslicht beaufschlagter und demgemäß nicht im Direktlichtbereich liegender Hauptleuchtfläche erhalten, mit gleichmäßig diffus hinterleuchteter Hauptleuchtfläche erhalten, die in Abhängigkeit von dem jeweils eingesetzten LED-Leuchtmittel eine monochromatische Lichtfarbe besitzen, aber auch dynamisches RGB-Licht abgeben kann.These features provide a luminaire which is aesthetically pleasing to the character of a flat screen and which has a uniformly illuminated main reflector with diffuse light and thus does not lie in the direct light region, with a uniformly diffuse backlit main luminous surface each used LED bulbs have a monochromatic light color, but can also deliver dynamic RGB light.

Von besonderem Vorteil ist dabei, dass der umlaufende Flachrahmen aus wärmeleitendem Material als Kühlfläche genutzt ist und auf wirksame Weise die innerhalb der Leuchte erzeugte Wärme nach außen ableitet.It is particularly advantageous that the circumferential flat frame made of thermally conductive material is used as a cooling surface and effectively dissipates the heat generated within the lamp to the outside.

Vorzugsweise bildet der Flachrahmen sowohl die sichtseitig randseitige Außenbegrenzung der Hauptleuchtfläche als auch der Funktionseinheit, wodurch der Lichtkontrast gesteigert wird und die Leuchte mit scharf gezeichneten Konturen in Erscheinung tritt, so dass in ästhetischer Hinsicht der Eindruck einer gerahmten Lichtfläche entsteht.Preferably, the flat frame forms both the visible side edge outer boundary of the main luminescent surface as well as the functional unit, whereby the light contrast is increased and the luminaire with sharp outlines in appearance occurs, so that aesthetically the impression of a framed light surface arises.

Die den Flachrahmen tragende Funktionseinheit ist als lichtdurchlässiger Körper, insbesondere als opaler Glaskörper oder als ein- oder mehrteilig ausgebildeter lichtdurchlässiger Kunststoffkörper gestaltet, in den der Flachrahmen flächenbündig eingesetzt und über wärmeleitende, die Wandung der Funktionseinheit durchsetzende Elemente mit den ebenfalls wärmeleitend ausgebildeten LED-Trägern verbunden ist.The functional unit carrying the flat frame is designed as a translucent body, in particular as an opal glass body or as a translucent plastic body of one or more parts, in which the flat frame is inserted flush and connected to the likewise thermally conductive LED carriers via thermally conductive elements passing through the wall of the functional unit is.

Durch die Ausgestaltung der Funktionseinheit in Form eines lichtdurchlässigen Körpers ist es möglich, zusätzlich zur Hauptleuchtfläche über den Reflektor und/oder auch direkt mit Licht beaufschlagte Seitenleuchtflächen zwischen dem Flachrahmen und dem Gehäuse zu schaffen, wobei den Seitenleuchtflächen auch Teilreflektorflächen zugeordnet sein können, die von abgewinkelten Randbereichen des konkav gekrümmten und vollflächig mit LED-Licht beaufschlagten Reflektors gebildet sind.Due to the design of the functional unit in the form of a translucent body, it is possible to provide in addition to the main luminescent surface on the reflector and / or directly exposed to light side luminescent surfaces between the flat frame and the housing, the side luminescent surfaces can also be associated with partial reflector surfaces of angled Edge regions of the concave curved and fully illuminated LED reflector are formed.

Durch diese Ausgestaltung kann ein vieleckiger, insbesondere rechteckiger, quadratischer oder runder Lichtkörper geschaffen werden, der klar begrenzte Diffuslichtflächen aufweist, wobei die eigentlichen Lichtquellen nicht in Erscheinung treten, sondern durchwegs verdeckt angeordnet sind.By this configuration, a polygonal, in particular rectangular, square or round light body can be created, the clear has limited diffuse light surfaces, wherein the actual light sources do not appear, but are arranged concealed throughout.

Eine besonders vorteilhafte Ausführungsform der Erfindung, welche ebenfalls die vorstehend bereits erläuterten Vorteile aufweist, zeichnet sich dadurch aus, dass die Funktionseinheit als sich ausgehend vom flachtopfförmigen Gehäuse allseitig erweiternder Raumkörper ausgebildet ist und einen mit dem Gehäuse kuppelbaren Basisabschnitt und einen sich daran anschließenden und sich erweiternden Schrägflächenabschnitt aufweist, der in einen Randabschnitt übergeht, welcher als Träger für die Hauptleuchtfläche und den Flachrahmen ausgebildet ist.A particularly advantageous embodiment of the invention, which likewise has the advantages already explained above, is distinguished by the fact that the functional unit is designed as a space body which widens on all sides starting from the flat-top-shaped housing and has a base section which can be coupled to the housing and an adjoining and widening one Inclined surface portion which merges into an edge portion which is formed as a support for the main luminous surface and the flat frame.

Insbesondere dann, wenn der Winkel zwischen der Bodenwand des Gehäuses und den Schrägflächenabschnitten deutlich geringer als 45° gewählt wird, ergibt sich auf diese Weise für die Leuchte in ästhetischer Hinsicht der gewünschte Charakter eines Flachbildschirmes.In particular, when the angle between the bottom wall of the housing and the inclined surface portions is selected to be significantly less than 45 °, resulting in this way for the light aesthetically the desired character of a flat screen.

Zur Steigerung der Lichtausbeute im Vergleich zu einer beispielsweise aus Opalglas oder entsprechendem Kunststoffmaterial bestehender Funktionseinheit wird nach einer weiteren Ausführungsvariante der Erfindung für die Hauptleuchtfläche eine mit einer Mikroprismenstruktur versehene Kunststoffplatte verwendet, die vorzugsweise prismenseitig mit einer Glasplatte und rückseitig mit einer lichtstreuenden Folie bedeckt ist. Die plattenförmige Hauptleuchtfläche kann mit dem Flachrahmen zu einer Einheit zusammengefasst und über einen rechtwinklig abgewinkelten Umfangsrand mit dem Endbereich der Funktionseinheit verbunden, insbesondere verschweißt oder verklebt werden.To increase the luminous efficacy compared to an existing example of opal glass or plastic material corresponding functional unit according to a further embodiment of the invention for the main luminescent surface provided with a micro prism structure plastic plate is preferably prism side covered with a glass plate and back with a light-diffusing film. The plate-shaped main luminous surface can be combined with the flat frame to form a unit and connected to the end region of the functional unit via a peripheral edge bent at right angles, in particular welded or glued.

Bei der flachbildschirmförmigen Ausführungsvariante der Erfindung ist bevorzugt zwischen dem Basisabschnitt und dem Schrägflächenabschnitt ein eine Trennwand bildender, vorzugsweise ebener Reflektor angeordnet. Die Wände des Schrägflächenabschnitts können lichtdurchlässig ausgebildet sein, aber es ist auch möglich, die Innenwände des Schrägflächenabschnitts reflektierend zu gestalten.In the flat screen-shaped embodiment variant of the invention, a divider wall-forming, preferably flat, reflector is preferably arranged between the base section and the inclined surface section. The walls of the inclined surface portion may be made translucent, but it is also possible to make the inner walls of the inclined surface portion reflective.

Um eine optisch praktisch nicht in Erscheinung tretende Stromversorgung der LED-Einheiten trotz der eine Trennwand bildenden Reflektorfläche zu gewährleisten, ist bei dieser Ausführungsform vorgesehen, dass die erforderlichen Leitungsdrähte in den Knickkanten zwischen benachbarten Schrägwand-Teilflächen verlaufen. Um dabei eine problemlose Montage zu gewährleisten, sind diese Leitungsdrähte mit den LED-Gruppen jeweils über einen an einer Kontaktfläche am LED-Träger angreifenden Federkontakt verbunden, so dass die elektrischen Verbindungen zwangsläufig hergestellt werden, wenn die Einheit aus Hauptleuchtfläche, Flachrahmen und LED-Trägern auf den freien Randabschnitt des Leuchtenkörpers aufgesetzt und mit diesem verbunden wird.In order to ensure an optically virtually no appearance emerging power supply of the LED units despite the reflector surface forming a partition wall, is provided in this embodiment, that the necessary lead wires extend in the bending edges between adjacent inclined wall partial surfaces. In order to ensure a trouble-free installation, these wires are connected to the LED groups each via a contact surface on the LED carrier attacking spring contact, so that the electrical connections are inevitably made when the unit of main luminescent surface, flat frame and LED carriers placed on the free edge portion of the lamp body and connected thereto.

Weitere vorteilhafte Merkmale und Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Further advantageous features and embodiments of the invention are specified in the subclaims.

Ausführungsbeispiele der Erfindung werden anhand der Zeichnung erläutert; in dieser zeigen:

Fig. 1
eine schematische Schnittansicht zur Erläuterung einer nach Art eines Lichtkörpers ausgebildeten Ausführungsform der Erfindung,
Fig. 2
eine perspektivisch dargestellte Schnittansicht einer nach Art eines Flachbildschirms gestalteten Ausführungsform der Erfindung,
Fig. 3
eine perspektivische Teildarstellung zur Erläuterung einer verwendbaren elektrischen Anschlusstechnik der LED-Einheiten, und
Fig. 4
eine perspektivische Schrägansicht einer Ausführungsform der Erfindung in Rechteck-Ausgestaltung.
Embodiments of the invention will be explained with reference to the drawing; in this show:
Fig. 1
FIG. 2 is a schematic sectional view for explaining an embodiment of the invention in the manner of a light body. FIG.
Fig. 2
3 shows a perspective sectional view of a flat-panel type embodiment of the invention;
Fig. 3
a partial perspective view for explaining a usable electrical connection technology of the LED units, and
Fig. 4
a perspective oblique view of an embodiment of the invention in a rectangular configuration.

Nach Fig. 1 umfasst die Leuchte ein flachtopfförmiges Gehäuse 1 und eine mit dem Gehäuse 1 kuppel- und verbindbare Funktionseinheit 2, die von einem Formkörper aus lichtdurchlässigem Material gebildet ist.To Fig. 1 the luminaire comprises a flat-top-shaped housing 1 and a functional unit 2 which can be coupled and connected to the housing 1 and which is formed by a shaped body made of light-permeable material.

Die Funktionseinheit 2 legt zusammen mit dem Gehäuse 1 einen flachen Innenraum fest, in dem sich ein bezüglich der Hauptleuchtfläche 3 konkaver Reflektor 10 befindet, der im Gehäuse 1 gehaltert ist und sich mit seiner tiefsten Stelle bis in die Nähe der Bodenwand 4 des Gehäuses erstreckt und im Bereich seines oberen und seines unteren Randes einen in Richtung des Gehäuses stumpfwinklig abgeknickten Randbereich aufweist, der jeweils eine Teilreflektorfläche 9 bildet.The functional unit 2 defines together with the housing 1 a flat interior, in which there is a concave reflector 10 with respect to the main surface 3, which is supported in the housing 1 and extends with its lowest point to the vicinity of the bottom wall 4 of the housing and In the region of its upper and its lower edge, an edge region which is obtusely bent in the direction of the housing and which forms a partial reflector surface 9 in each case.

Die aus lichtdurchlässigem Material bestehende Funktionseinheit 2 mit ebener Hauptleuchtfläche 3 trägt einen Umfangs-Flachrahmen 5 aus lichtundurchlässigem und insbesondere wärmeleitendem Material, der zum einen die Hauptleuchtfläche 3 begrenzt und zum anderen bündig mit der Seitenwand der Funktionseinheit 2 abschließt.The translucent material consisting of functional unit 2 with flat main luminescent surface 3 carries a peripheral flat frame 5 made of opaque and especially heat-conducting material, which limits the main luminescent surface 3 on the one hand and on the other flush with the side wall of the functional unit 2.

Im Innenraum der Funktionseinheit 2 und rückseitig unterhalb des Flachrahmens 5 gelegen ist ein LED-Träger 6 vorgesehen, der aus wärmeleitendem Material besteht und über ebenfalls wärmeleitende, vorzugsweise einteilig angeformte Fixierleisten 6' und das lichtdurchlässige Material der Funktionseinheit 2 durchsetzende Verbindungselemente 12 mit dem Flachrahmen 5 verbunden ist.Located in the interior of the functional unit 2 and the rear side below the flat frame 5, an LED support 6 is provided, which consists of thermally conductive material and also thermally conductive, preferably integrally molded fixing strips 6 'and the translucent material of the functional unit 2 passing through connecting elements 12 with the flat frame. 5 connected is.

Die seitlich mit dem LED-Träger 6 verbundenen Fixierleisten 6 verlaufen unterhalb des Flachrahmens 5 anliegend an der Innenseite der Hauptleuchtfläche 3 und sind über die am Flachrahmen 5 innenseitig vorgesehenen, zapfenförmigen Verbindungselemente 12 fest und wärmeleitend mit dem Flachrahmen 5 verbunden.The laterally connected to the LED support 6 fixing strips 6 extend below the flat frame 5 adjacent to the inside of the main luminescent surface 3 and are fixed on the flat frame 5 provided on the inside, peg-shaped connecting elements 12 and heat-conducting connected to the flat frame 5.

Der LED-Träger 6 kann insbesondere durch einen einfachen Biegevorgang relativ zu seinen Fixierleisten 6' in seiner Neigung bezüglich der Hauptleuchtfläche 3 eingestellt werden, so dass die auf einer insbesondere reflektierend gestalteten Fläche 8 des Trägers 6 angeordneten LED's bezüglich des konkaven Reflektors 10 optimal - unter Berücksichtigung der den LED's vorzugsweise zugeordneten Optik - gerichtet werden können und dadurch der Reflektor 10 zumindest von einer Seite und vorzugsweise von beiden Seiten her gleichmäßig mit Licht beaufschlagt und die angestrebte vollflächig diffus hinterleuchtete Hauptleuchtfläche 3 erhalten wird.The LED carrier 6 can be adjusted in particular by a simple bending process relative to its fixing strips 6 'in its inclination with respect to the main luminescent surface 3, so that the arranged on a particular reflective surface 8 of the support 6 LED's with respect to the concave reflector 10 optimally - Considering the LED's preferably associated optics - can be directed and thereby the reflector 10 at least from one side and preferably from both sides applied uniformly with light and the desired full surface diffuse backlit main luminescent surface 3 is obtained.

Die LED's, deren monochromatische Lichtfarbe vorgebbar ist, sind vorzugsweise so positioniert, dass ein Teil des von Ihnen abgegebenen Lichts auch auf die Teilreflektorflächen 9 trifft und von dort zu den Seitenwänden der Funktionseinheit reflektiert wird. Da diese Seitenwände lichtdurchlässig sind, entstehen auf diese Weise Seitenleuchtflächen 11, die vorteilhaft bei einer Ausgestaltung als Anbau- oder Halbeinbauleuchten in Erscheinung treten.The LEDs, whose monochromatic light color can be predetermined, are preferably positioned so that part of the light emitted by them also strikes the partial reflector surfaces 9 and is reflected from there to the side walls of the functional unit. Since these side walls are transparent, arise in this way side light surfaces 11, which are advantageous in an embodiment as surface mounted or semi-recessed lights in appearance.

Fig. 2 zeigt eine bevorzugte Ausführungsform der Erfindung, die hinsichtlich ihrer räumlichen Gestaltung nach Art eines Flachbildschirms ausgeführt ist. Fig. 2 shows a preferred embodiment of the invention, which is designed in terms of their spatial design in the manner of a flat screen.

Bei dieser Ausführungsform ist das flachtopfförmige Gehäuse 1 über flächenbündig integrierte Schnappspannelemente 18 mit einem sich erweiternden Raumkörper kuppelbar, der gebildet wird von einem Basisabschnitt 13 und einem sich daran anschließenden, sich allseitig erweiternden Schrägflächenabschnitt 14, welcher in einen Randabschnitt 15 übergeht, der als Träger für die Hauptleuchtfläche 3 und den Flachrahmen 5 ausgebildet ist. Die Schnappspannelemente bzw. Clipspannverschlüsse 18 können über eine Sicherungsschraube 19 blockiert werden.In this embodiment, the flat-top-shaped housing 1 can be coupled via flush-mounted snap-action clamping elements 18 with a widening spatial body, which is formed by a base portion 13 and an adjoining, on all sides widening inclined surface portion 14, which merges into an edge portion 15, which serves as a carrier for the main luminescent surface 3 and the flat frame 5 is formed. The snap-action clamping elements or clip clamping closures 18 can be blocked by means of a securing screw 19.

Die Anordnung der Leuchtdioden unterhalb des Flachrahmens 5 und die Abführung der von den LED's erzeugten Wärme zu dem Flachrahmen 5 ist analog zu der Ausführungsform nach Fig. 1 gestaltet. Anstelle eines konkav gekrümmten Reflektors, wie er in der Ausführungsform nach Fig. 1 vorgesehen ist, wird gemäß Fig. 2 ein zwischen dem Basisabschnitt 13 und dem Schrägflächenabschnitt 14 angeordneter und gleichzeitig eine Trennwand bildender Reflektor 16 verwendet, der vorzugsweise eben ausgebildet ist. Die Schrägflächen 14 sind im Regelfall lichtdurchlässig, aber ihre Innenwandseiten können auch reflektierend gestaltet sein und mit dem ebenen Reflektor 16 einen Gesamtreflektor bilden, der das von den verdeckt angeordneten "LED's" auf diesen Gesamtreflektor abgestrahlte Licht diffus zur Hauptleuchtfläche 13 reflektiert und deren weitgehend gleichmäßige Beaufschlagung mit Reflexionslicht sicherstellt.The arrangement of the light emitting diodes below the flat frame 5 and the dissipation of the heat generated by the LED's to the flat frame 5 is analogous to the embodiment according to Fig. 1 designed. Instead of a concave curved reflector, as in the embodiment according to Fig. 1 is provided according to Fig. 2 a arranged between the base portion 13 and the inclined surface portion 14 and at the same time a partition forming reflector 16 is used, which is preferably flat. The inclined surfaces 14 are usually translucent, but their inner wall sides can also be designed to be reflective and form a total reflector with the flat reflector 16, which reflects the light emitted by the concealed "LEDs" on this total reflector diffuse light to the main luminescent surface 13 and their largely uniform application ensures with reflection light.

Um eine möglichst hohe Lichtausbeute zu gewährleisten, wird zur Realisierung der Hauptleuchtfläche 3 bevorzugt eine mit einer Mikroprismenstruktur versehene Kunststoffplatte verwendet, die vorzugsweise prismenseitig mit einer Glasplatte und rückseitig mit einer lichtstreuenden Folie bedeckt ist. Dieser Aufbau wird mit dem Flachrahmen 5 zu einer Einheit zusammengefasst und mit dem Randabschnitt 15 vorzugsweise verklebt oder verschweißt.In order to ensure the highest possible luminous efficacy, one with a microprism structure is preferred for realizing the main luminous surface 3 provided plastic plate used, which is preferably prism side covered with a glass plate and back with a light-diffusing film. This structure is combined with the flat frame 5 to a unit and preferably glued or welded to the edge portion 15.

Um zu erreichen, dass bei frontaler Betrachtung der Leuchte auch der wandseitige, hinter der montierten Leuchte gelegene Bereich mit Licht beaufschlagt wird, ist gemäß einer bevorzugten Ausführungsform vorgesehen, dass zumindest der senkrecht zur Hauptleuchtfläche 3 verlaufende Randabschnitt 15 lichtdurchlässig gestaltet ist.In order to achieve that light is also applied to the wall-side area located behind the mounted luminaire when the luminaire is viewed from the front, it is provided according to a preferred embodiment that at least the edge section 15 running perpendicular to the main luminous surface 3 is designed to be translucent.

In dem Bereich unterhalb des ebenen Reflektors 16 befinden sich die zur Stromversorgung der LED's erforderlichen Einheiten. Die elektrische Verbindung zwischen diesen Stromversorgungseinheiten und den LED's erfolgt bevorzugt über elektrische Leiter, die längs der Knickkanten 17 zwischen benachbarten Schrägflächen geführt sind. Auf diese Weise treten diese elektrischen Leiter optisch nicht störend in Erscheinung.In the area below the planar reflector 16 are the units required for powering the LED's. The electrical connection between these power supply units and the LEDs is preferably via electrical conductors which are guided along the bending edges 17 between adjacent inclined surfaces. In this way, these electrical conductors do not appear visually disturbing.

Fig. 3 zeigt einen Teilbereich einer erfindungsgemäßen Leuchte zur Erläuterung der Kontaktierung der LED-Einheiten. In dieser Darstellung ist die den oberen Bereich der Leuchte und den gehäuseseitigen Bereich der Leuchte trennende Reflektorfläche 16 nicht dargestellt, zu sehen sind jedoch die Auflageränder für diese Reflektorfläche am stufenförmigen Übergangsbereich zwischen Basisabschnitt 13 und dem in das Gehäuse 1 eingreifenden Endabschnitt. Der jeweilige elektrische Leiter 21, der über eine Steckverbindung 22 mit der Stromversorgung verbunden wird, verläuft in Knickkanten 17 und endet in einem Federkontakt 25 im Bereich des LED-Trägers 6. Am LED-Träger 6 ist dem Federkontakt 25 gegenüberliegend eine Kontaktfläche 24 vorgesehen, an der der Federkontakt 25 anliegt, wenn die Einheit aus Hauptleuchtfläche 3, Flachrahmen 5 und LED-Träger 6 mit zugehörigen Fixierleisten 6' mit dem Randabschnitt 15 verbunden wird. Fig. 3 shows a portion of a lamp according to the invention for explaining the contacting of the LED units. In this illustration, the reflector surface 16 separating the upper region of the luminaire and the housing-side region of the luminaire is not shown, but the support edges for this reflector surface can be seen on the step-shaped transitional region between the base section 13 and the end section engaging in the housing 1. The respective electrical conductor 21, which is connected via a plug connection 22 to the power supply, runs in bending edges 17 and ends in a spring contact 25 in the region of the LED carrier 6. At the LED carrier 6, a contact surface 24 is provided opposite the spring contact 25. at the spring contact 25th is applied when the unit of main luminous surface 3, 5 flat frame and LED support 6 with associated fixing strips 6 'is connected to the edge portion 15.

Die Kontaktfläche 24 steht mit den LED's 20 in elektrischer Verbindung, d.h. jede Gruppe von LED's 20 ist über zwei Kontaktflächen 24 mit der Stromversorgung verbunden.The contact surface 24 is in electrical communication with the LEDs 20, i. Each group of LED's 20 is connected via two contact surfaces 24 to the power supply.

Die Darstellung nach Fig. 3 zeigt auch noch die Ausgestaltung der seitlichen Fixierleisten 6', die mit Bohrungen 23 versehen sind, durch welche sich im montierten Zustand die Verbindungselemente 12 erstrecken, die an dem Flachrahmen 5 vorgesehen sind. Ersichtlich ist auch, dass der LED-Träger 6 hinsichtlich seiner Winkelstellung zu den Fixierleisten 6' durch einen Biegevorgang verändert werden kann, wobei der elektrische Kontakt zwischen dem Federkontakt 25 und der Kontaktfläche 24 unverändert bestehen bleibt.The representation after Fig. 3 also shows the configuration of the lateral fixing strips 6 ', which are provided with holes 23 through which extend in the assembled state, the connecting elements 12 which are provided on the flat frame 5. It is also apparent that the LED support 6 can be changed in terms of its angular position to the fixing strips 6 'by a bending operation, wherein the electrical contact between the spring contact 25 and the contact surface 24 remains unchanged.

Jeder der beiden einander gegenüberliegend vorgesehenen LED-Träger 6 erstreckt sich über die Länge einer Rechteckseite und weist an beiden Enden jeweils eine Kontaktfläche 24 auf. Die beiden, jedem LED-Träger 6 zugeordneten und senkrecht zum Träger 6 verlaufenden Fixierleisten 6' erstrecken sich jeweils bis zur Mitte der betreffenden Rechteckseite.Each of the two mutually opposite provided LED support 6 extends over the length of a rectangular side and has at both ends in each case a contact surface 24. The two, each LED carrier 6 associated and perpendicular to the carrier 6 extending fixing strips 6 'each extend to the middle of the relevant side of the rectangle.

Die perspektivische Darstellung nach Fig. 4 zeigt eine bevorzugte Ausführungsform einer eine Rechteckstruktur oder Quadratstruktur aufweisenden Leuchte nach der Erfindung. Das Gehäuse 1 ist dabei mit der Funktionseinheit 2 über Clipspannverschlüsse 18 verbunden, so dass nach Herstellung der elektrischen Anschlüsse im Bereich des Gehäuses 1 einschließlich der in Fig. 3 gezeigten Steckverbindung 22 die Funktionseinheit 2 nur auf das Gehäuse 1 gesetzt und mittels der Schnappverbindungen 18 mit dem Gehäuse gekoppelt werden muss.The perspective view after Fig. 4 shows a preferred embodiment of a square or square structure having lamp according to the invention. The housing 1 is connected to the functional unit 2 via clip clamping closures 18, so that after production of the electrical connections in the region of the housing 1 including in Fig. 3 shown connector 22, the functional unit 2 set only on the housing 1 and must be coupled by means of snap connections 18 with the housing.

Die Fig. 4 macht auch deutlich, dass die LED-Einheiten praktisch nicht sichtbar sind und auch die zu diesen Einheiten in den vier Knickkanten 17 führenden elektrischen Leiter 21 nicht störend in Erscheinung treten. Über den großflächigen Reflektor 16 wird eine vollflächige und überaus gleichmäßige Beaufschlagung der Hauptleuchtfläche erreicht, und es kann ergänzend auch sichergestellt werden, dass die jeweils gewünschte seitliche Lichtabstrahlung über die Randabschnitte 15, die in dieser Darstellung nicht zu sehenden Schrägflächenabschnitte 14 und die Basisabschnitte 13 erfolgt.The Fig. 4 also makes it clear that the LED units are practically invisible and also the leading to these units in the four bending edges 17 electrical conductors 21 are not disturbing in appearance. Over the large-area reflector 16, a full-surface and extremely uniform application of the main luminous surface is achieved, and it can be additionally ensured that the respective desired lateral light emission via the edge portions 15, not shown in this representation oblique surface portions 14 and the base portions 13.

Die Hauptleuchtfläche 3 kann Piktogramme oder sonstige Kennzeichen, wie z.B. Hausnummern, tragen, wobei diese Kennzeichen aufgrund der gleichmäßig diffusen Hinterleuchtung besonders deutlich in Erscheinung treten. Diese Anwendungsmöglichkeit ist ein Beispiel für die vielfältigen Einsatzmöglichkeiten der erfindungsgemäßen, insbesondere nach Art eines Flachbildschirms gestalteten Leuchte.The main luminescent surface 3 may carry pictograms or other characteristics, such as house numbers, with these characteristics appear particularly clearly due to the uniformly diffuse backlighting. This application is an example of the many uses of the invention, especially designed in the manner of a flat screen light.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Gehäusecasing
22
Funktionseinheitfunctional unit
33
HauptleuchtflächeMain lighting surface
44
Bodenwandbottom wall
55
Flachrahmenflat frame
66
LED-TrägerLED support
6'6 '
Fixierleisten des LED-TrägersFixing strips of the LED carrier
77
LEDLED
88th
Trägerflächesupport surface
99
TeilreflektorflächePart reflector surface
1010
konkaver Reflektorconcave reflector
1111
SeitenleuchtflächePage luminous area
1212
Verbindungselementconnecting element
1313
Basisabschnittbase section
1414
SchrägflächenabschnittSloping segment
1515
Randabschnittedge section
1616
Reflektorreflector
1717
Knickkantebend edge
1818
SchnappspannelementeSnap clamping elements
1919
Sicherungsschraubelocking screw
2020
LEDLED
2121
elektrische Leiterelectrical conductors
2222
Steckverbindungconnector
2323
Bohrungdrilling
2424
Kontaktflächecontact area
2525
Federkontaktspring contact

Claims (20)

Leuchte mit einem topfförmigen Gehäuse (1) zur Aufnahme von elektrischen Komponenten und zur lösbaren Halterung einer zumindest eine Hauptleuchtfläche (3) aufweisenden Funktionseinheit (2),
dadurch gekennzeichnet,
dass die vorzugsweise eben ausgebildete Hauptleuchtfläche (3) der Funktionseinheit (2) parallel zur Bodenwand (4) des Gehäuses (1) bzw. dessen Befestigungsfläche verläuft und randseitig durch einen umlaufenden Flachrahmen (5) aus wärmeleitendem Material begrenzt ist,
dass der Flachrahmen (5) wärmeleitend mit zumindest einem LED-Träger (6, 6') verbunden ist, der sich in der Funktionseinheit (2) im Bereich der Rückseite des Flachrahmens (5) befindet und dessen die LED's (7) tragende Fläche (8) derart zu einem zwischen der Bodenwand (4) des Gehäuses (1) und der Hauptleuchtfläche (3) angeordneten Reflektor (10) gerichtet ist, dass die Hauptleuchtfläche (3) im Wesentlichen gleichmäßig mit Diffuslicht beaufschlagt wird.Luminaire with a cup-shaped housing (1) for receiving electrical components and for releasably holding a at least one main luminescent surface (3) having functional unit (2),
characterized,
that the preferably flat trained main luminous surface (3) of the functional unit (2) parallel to the bottom wall (4) of the housing (1) or its mounting surface and the edge is bounded by a peripheral flat frame (5) made of thermally conductive material,
in that the flat frame (5) is thermally conductively connected to at least one LED carrier (6, 6 ') which is located in the functional unit (2) in the region of the rear side of the flat frame (5) and whose surface (7) carries the LED (7). 8) is directed to a between the bottom wall (4) of the housing (1) and the main luminescent surface (3) arranged reflector (10), that the main luminescent surface (3) is applied substantially uniformly diffused light. Leuchte nach Anspruch 1,
dadurch gekennzeichnet,
dass der Flachrahmen (5) sowohl die sichtseitige Außenbegrenzung der Hauptleuchtfläche (3) als auch der Funktionseinheit (2) bildet.Luminaire according to claim 1,
characterized,
that the flat frame (5) forms both the visible-side outer boundary of the main lighting surface (3) and the functional unit (2). Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die den Flachrahmen (5) tragende Funktionseinheit (2) als lichtdurchlässiger Körper, insbesondere als opaler Glaskörper oder als ein- oder mehrteiliger Kunststoffkörper ausgebildet ist.Luminaire according to one of the preceding claims,
characterized,
in that the functional unit (2) carrying the flat frame (5) is designed as a light-transmissive body, in particular as an opal glass body or as a one-part or multi-part plastic body. Leuchte nach Anspruch 3,
dadurch gekennzeichnet,
dass der Flachrahmen (5) in eine passende Aussparung der Frontwandung der Funktionseinheit (2) flächenbündig eingesetzt ist.Luminaire according to claim 3,
characterized,
that the flat frame (5) is inserted flush into a matching recess of the front wall of the functional unit (2). Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass der zwischen der Bodenwand (4) des Gehäuses (1) und der Hauptleuchtfläche (3) vorgesehene Reflektor (10) konkav gekrümmt und sein tiefster Bereich angrenzend an den Boden (4) des Gehäuses (1) gelegen ist.Luminaire according to one of the preceding claims,
characterized,
in that the reflector (10) provided between the bottom wall (4) of the housing (1) and the main luminescent surface (3) is concavely curved and its lowest area is located adjacent to the bottom (4) of the housing (1). Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass zusätzlich zur Hauptleuchtfläche (3) über den Reflektor (9, 10) und gegebenenfalls auch direkt mit Licht beaufschlagte Seitenleuchtflächen (11) zwischen dem Flachrahmen (3) und dem Gehäuse (1) vorgesehen sind.Luminaire according to one of the preceding claims,
characterized,
in that, in addition to the main luminescent surface (3), side luminescent surfaces (11), which are exposed directly to light, are provided above the reflector (9, 10) and optionally between the flat frame (3) and the housing (1). Leuchte nach Anspruch 6,
dadurch gekennzeichnet ,
dass den Seitenleuchtflächen (11) Teilreflektorflächen (9) zugeordnet sind, die von abgewinkelten Randbereichen des konkav gekrümmten Reflektors (10) gebildet sind.Luminaire according to claim 6,
characterized ,
in that side reflector surfaces (11) are assigned partial reflector surfaces (9), which are formed by angled edge regions of the concavely curved reflector (10). Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die LED-Träger (6) mit Fixierleisten (6') verbunden oder einteilig ausgebildet sind, die unterhalb des Flachrahmens (5) an der Wandung der Funktionseinheit (2) anliegen und über wärmeleitende, die Wandung der Funktionseinheit (2) durchsetzende Verbindungselemente (12) mit dem Flachrahmen (5) verbunden und gehaltert sind.Luminaire according to one of the preceding claims,
characterized,
in that the LED carriers (6) are connected or integrally formed with fixing strips (6 '), which rest against the wall of the functional unit (2) below the flat frame (5) and via heat-conducting connecting elements (3) passing through the wall of the functional unit (2). 12) are connected to the flat frame (5) and supported. Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die Trägerfläche (8) für die LED's (20) reflektierend ausgebildet ist.Luminaire according to one of the preceding claims,
characterized,
that the support surface (8) for the LEDs (20) is reflective. Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass den LED's (20) eine Linsenoptik zugeordnet ist, wobei entweder für jede LED eine Einzellinse oder eine allen LED's gemeinsame optische Einheit vorgesehen ist.Luminaire according to one of the preceding claims,
characterized,
that the LEDs (20) is associated with a lens optic, common optical unit is provided for each LED being either a single lens or an all LED's. Leuchte nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass der Winkel zwischen der die LED's (20) tragenden Fläche (8) und den rückseitig an der Hauptleuchtfläche (3) anliegenden Fixierleisten (6') einstellbar ist.Luminaire according to one of the preceding claims,
characterized,
that the angle between the carrying the LED's (20) surface (8) and abutting the rear side of the main lighting surface (3) fixing strips (6 ') is adjustable. Leuchte nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die Funktionseinheit (2) als sich ausgehend vom flachtöpfförmigen Gehäuse (1) oder mit einem vorgebbaren Abstand zum Gehäuse (1) allseitig erweiternder Raumkörper ausgebildet ist und vorzugsweise einen mit dem Gehäuse (1) kuppelbaren Basisabschnitt (13) und einen sich daran anschließenden und sich erweiternden Schrägflächenabschnitt (14) aufweist, der in einen Randabschnitt (15) übergeht, welcher als Träger für die Hauptleuchtfläche (3) und den Flachrahmen (5) ausgebildet ist.Luminaire according to one or more of the preceding claims,
characterized,
in that the functional unit (2) is designed as starting from the flat-top-shaped housing (1) or at a predeterminable distance from the housing (1) is formed on all sides widening space body and preferably one with the housing (1) detachable base portion (13) and an adjoining and widening inclined surface portion (14) which merges into an edge portion (15) which serves as a support for the Main luminescent surface (3) and the flat frame (5) is formed. Leuchte nach Anspruch 12,
dadurch gekennzeichnet,
dass die Hauptleuchtfläche (3) eine mit einer Mikroprismenstruktur versehene Kunststoffplatte umfasst, die vorzugsweise prismenseitig mit einer Glasplatte und rückseitig mit einer lichtstreuenden Folie bedeckt ist.Luminaire according to claim 12,
characterized,
in that the main luminescent surface (3) comprises a plastic plate provided with a microprism structure, which is preferably covered on the prism side with a glass plate and on the back side with a light-scattering foil. Leuchte nach Anspruch 13,
dadurch gekennzeichnet,
dass die im Wesentlichen ebene Hauptleuchtfläche (3) mit dem Flachrahmen (5) zu einer Einheit zusammengefasst und über einen abgewinkelten Umfangsrand mit dem Randabschnitt (15) des Raumkörpers verbunden, insbesondere verschweißt oder verklebt ist.Luminaire according to claim 13,
characterized,
in that the essentially planar main luminous surface (3) is combined with the flat frame (5) to form a unit and is connected, in particular welded or glued, to the edge section (15) of the spatial body via an angled peripheral edge. Leuchte nach Anspruch 12,
dadurch gekennzeichnet,
dass zwischen dem Basisabschnitt (13) und dem Schrägflächenabschnitt (14) ein eine Trennwand bildender, vorzugsweise ebener Reflektor (16) angeordnet ist.Luminaire according to claim 12,
characterized,
in that a preferably flat reflector (16) forming a dividing wall is arranged between the base section (13) and the inclined surface section (14). Leuchte nach Anspruch 15,
dadurch gekennzeichnet,
dass die Innenwände des Schrägflächenabschnitts (14) reflektierend ausgebildet sind.Luminaire according to claim 15,
characterized,
that the inner walls of the inclined surface portion (14) are formed reflective. Leuchte nach Anspruch 12,
dadurch gekennzeichnet,
dass die Funktionseinheit (2) über Clipspannverschlüsse (18) mit dem Gehäuse (1) kuppelbar ist.Luminaire according to claim 12,
characterized,
in that the functional unit (2) can be coupled to the housing (1) via clip clamping closures (18). Leuchte nach Anspruch 12,
dadurch gekennzeichnet,
dass die unterhalb des Flachrahmens (5) positionierten, den Reflektor (16) beaufschlagenden Leuchtdioden (20)mit der zugehörigen, im Bereich des Gehäuses (1) angeordneten Energieversorgung über Leitungsdrähte (21) verbunden sind, die entsprechend den Knickkanten (17) zwischen benachbarten Schrägwand-Teilflächen verlaufen.Luminaire according to claim 12,
characterized,
in that the light-emitting diodes (20) positioned below the flat frame (5) and acting on the reflector (16) are connected to the associated power supply arranged in the region of the housing (1) via lead wires (21) corresponding to the bending edges (17) between adjacent ones Sloping wall partial surfaces run. Leuchte nach Anspruch 18,
dadurch gekennzeichnet,
dass die Leitungsdrähte (21) mit den LED's (20) über einen an einer Kontaktfläche (24) am LED-Träger (6) angreifenden Federkontakt elektrisch verbunden sind.Luminaire according to claim 18,
characterized,
in that the lead wires (21) are electrically connected to the LEDs (20) via a spring contact acting on a contact surface (24) on the LED support (6). Leuchte nach einem oder mehreren der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass Gehäuse (1), Funktionseinheit (2) und Flachrahmen (5) eine Vieleckstruktur, insbesondere eine Reckteckstruktur oder eine runde Struktur besitzen.Luminaire according to one or more of the preceding claims,
characterized,
the housing (1), functional unit (2) and flat frame (5) have a polygon structure, in particular a rectangular structure or a round structure.
EP07015210A 2007-08-02 2007-08-02 Luminaire Not-in-force EP2023035B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE502007001744T DE502007001744D1 (en) 2007-08-02 2007-08-02 lamp
ES07015210T ES2335042T3 (en) 2007-08-02 2007-08-02 LAMP.
EP07015210A EP2023035B1 (en) 2007-08-02 2007-08-02 Luminaire
AT07015210T ATE445808T1 (en) 2007-08-02 2007-08-02 LAMP
CA002638414A CA2638414A1 (en) 2007-08-02 2008-07-30 Luminaire
MX2008009850A MX2008009850A (en) 2007-08-02 2008-07-31 Luminaire.
US12/184,533 US7841738B2 (en) 2007-08-02 2008-08-01 Luminaire having light emitting diodes (leds) directed to a reflector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07015210A EP2023035B1 (en) 2007-08-02 2007-08-02 Luminaire

Publications (2)

Publication Number Publication Date
EP2023035A1 true EP2023035A1 (en) 2009-02-11
EP2023035B1 EP2023035B1 (en) 2009-10-14

Family

ID=38461178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07015210A Not-in-force EP2023035B1 (en) 2007-08-02 2007-08-02 Luminaire

Country Status (7)

Country Link
US (1) US7841738B2 (en)
EP (1) EP2023035B1 (en)
AT (1) ATE445808T1 (en)
CA (1) CA2638414A1 (en)
DE (1) DE502007001744D1 (en)
ES (1) ES2335042T3 (en)
MX (1) MX2008009850A (en)

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EP2518388A1 (en) * 2011-04-28 2012-10-31 Hartmut S. Engel Lamp
WO2013010579A1 (en) * 2011-07-18 2013-01-24 Osram Ag Lamp element and lamp arrangement
DE102012207540A1 (en) 2012-05-07 2013-11-07 Hartmut S. Engel lamp
EP2299163A3 (en) * 2009-09-21 2014-04-30 Berchtold Holding GmbH Operating light

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US9234649B2 (en) 2011-11-01 2016-01-12 Lsi Industries, Inc. Luminaires and lighting structures
US8864346B2 (en) 2012-12-10 2014-10-21 GE Lighting Solutions, LLC Lens-reflector combination for batwing light distribution
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Also Published As

Publication number Publication date
MX2008009850A (en) 2009-02-27
EP2023035B1 (en) 2009-10-14
CA2638414A1 (en) 2009-02-02
ATE445808T1 (en) 2009-10-15
DE502007001744D1 (en) 2009-11-26
ES2335042T3 (en) 2010-03-18
US20090034252A1 (en) 2009-02-05
US7841738B2 (en) 2010-11-30

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