EP2734782A2 - Arrangement for emitting light - Google Patents

Arrangement for emitting light

Info

Publication number
EP2734782A2
EP2734782A2 EP12737278.7A EP12737278A EP2734782A2 EP 2734782 A2 EP2734782 A2 EP 2734782A2 EP 12737278 A EP12737278 A EP 12737278A EP 2734782 A2 EP2734782 A2 EP 2734782A2
Authority
EP
European Patent Office
Prior art keywords
lens
light
arrangement
reflector
emitting light
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
EP12737278.7A
Other languages
German (de)
French (fr)
Other versions
EP2734782B1 (en
Inventor
Stephan Ebner
Patrik Gassner
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.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Priority to PL12737278T priority Critical patent/PL2734782T3/en
Publication of EP2734782A2 publication Critical patent/EP2734782A2/en
Application granted granted Critical
Publication of EP2734782B1 publication Critical patent/EP2734782B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • 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
    • 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 present invention relates to an arrangement for emitting light with at least one LED light source and at least one lens arranged in the light emission direction in front of the LED light source.
  • Fluorescent lamps have been used as a light source in the commercial sector.
  • the progressive development of LEDs now leads more and more to the fact that, for example, fluorescent lamps are replaced by corresponding LEDs. This results on the one hand from the fact that LED light sources have considerable advantages in terms of life and energy efficiency compared to conventional bulbs.
  • the luminous intensities that can be achieved with the help of LEDs are now sufficiently high so that LED light sources can easily replace conventional light sources such as fluorescent lamps.
  • the LED light sources are associated with lenses which are arranged in the emission direction in front of the LED light sources.
  • Several such lenses are in this case joined together to form an elongate optical element, wherein preferably each LED light source is assigned in each case exactly one lens of the optical element.
  • Fig. 1 three differently configured optical elements 2 are shown. Such optical elements 2 are in this case usually produced by injection molding.
  • FIGS. 2 and 4 show two possible light intensity distribution curves of the lenses 6 shown in FIG. 1, the curves illustrated therein corresponding to the values in the C0 / C180 plane, ie in the transverse direction to the optical elements 2 shown in FIG. correspond.
  • the luminous intensity distribution curve shown in Fig. 2 has two separate wings, each having a tip portion at 30 ° and thereon on both sides adjacent flank regions in which the light intensity drops to a much lower value than in the tip region, wherein one of the flanks falls to the angle range by 0 ° out.
  • Such a light intensity distribution is, for example, then advantageous if a corresponding arrangement for emitting light along a corridor is arranged, each of which has shelves on the right and left, which are to be illuminated by the arrangement for emitting light accordingly.
  • a device for light emission 1 which has a housing 3 with a light exit opening, wherein in the housing 3, the LED light sources 4 are arranged and the to the optical element. 2
  • the lenses 6 produce a slightly different luminous intensity distribution curve, as shown in Fig. 4, as compared to Fig. 2. Through this, a very wide illumination of the area below the arrangement for light emission 1 is achieved.
  • Embodiment own tools or molds must be produced, which lead to high costs.
  • the present invention is therefore based on the object to further develop the above-outlined arrangement for light output in such a way that the
  • an arrangement for emitting light which has at least one LED light source and at least one lens arranged in the light emission direction in front of the LED light source, wherein a reflector for influencing the light emitted by the lens is arranged in the light emission direction in front of the lens.
  • the reflector is used here in particular in the transverse direction.
  • the light output in the longitudinal direction is influenced by the reflector, for example in panel lighting in classrooms.
  • the arrangement for emitting light has a plurality of LED light sources and a plurality of lenses, wherein the lenses are joined together to form an optical element.
  • each LED light source is assigned in each case exactly one lens of the optical element.
  • the arrangement for emitting light has a housing with a light exit opening, wherein the at least one LED light source is arranged in the housing and the at least one lens closes the housing in the light emission direction.
  • the luminous intensity distribution curve of the light emitted by the lens in the C0 / C180 plane may comprise one or more, preferably two substantially symmetrical, mutually separated wings, each substantially in an angular range of 0 ° to 90 °, with respect to a Axis parallel to
  • Lichtabstrahlutter by the center of gravity of the lens lie and each have a tip region and adjoining flank areas in which the light intensity drops to a much lower value than in the tip region, the tip region at angles greater than 0 ° and one of the flanks to the Angular range drops by 0 °.
  • the reflector is designed and arranged laterally in front of the lens, that substantially the entire of the lens emitted light is directed to the reflector opposite side of the lens.
  • the side of the reflector facing away from the lens is designed as an advertising / information carrier.
  • the reflector is a diaphragm which is designed in such a way and arranged in front of the lens, that the
  • Beam angle of the light emitted from the lens is reduced or narrowed, in particular in the C0 / C180 plane, wherein the lens can already be designed such that it is done by glare deflation in the C90 / C270 level. In this way, a glare is achieved in a relatively wide-angle lens, whereby a corresponding arrangement for light output, for example, can be used at computer workstations or in the cashier area of a store.
  • each reflector or a plurality of lenses is associated with a reflector, wherein only a portion of the lenses reflectors can be assigned.
  • Fig. 2 possible light intensity distribution curve of the lenses shown in Fig. 1 in
  • Fig. 3 arrangement for emitting light with a multi-lens having optical element;
  • Fig. 4 light intensity distribution curve of the arrangement shown in Fig. 3 for
  • Fig. 5 inventive arrangement for emitting light according to a first
  • Fig. 6 light intensity distribution curve of the arrangement shown in Fig. 5 for
  • FIG. 7 arrangement according to the invention for emitting light according to a second
  • Fig. 8 light intensity distribution of the arrangement shown in Fig. 7 for
  • the arrangement for emitting light 1 has a housing 3 with a light exit opening, wherein LED light sources 4 are arranged in the housing and the light exit opening is closed by an optical element 2.
  • the optical element 2 in this case consists of a plurality of lenses 6 which are arranged in the light emission direction in front of the LED light sources 4.
  • Such optical elements 2, which are composed of a plurality of lenses 6, are shown by way of example in FIG. 2 and 4 are two different Lichtabstrahl characterizingen or
  • Luminous intensity distribution curve is particularly suitable, for example, for shops, where shelves are arranged along the left and right aisles, which are to be particularly illuminated by appropriate arrangements for light output 1.
  • the light intensity distribution curve shown in FIG. 4, on the other hand, is particularly preferred when a relatively large area below such an arrangement for light emission 1 is to be illuminated, since in this case the lenses 6 have a relatively wide-radiating characteristic.
  • a device 5 is still provided, which is a mechanical attachment of
  • Arrangement for light emission 1 allows a support rail and also contacted within the support rail extending lines.
  • FIGS. 5 and 7 show two exemplary embodiments of the invention for this purpose.
  • a substantially flat or planar reflector 7 is arranged in the longitudinal direction of the arrangement for emitting light 1 and the optical element 2 on one side of the lens 6, whereby the through Lens 6 emitted in this direction light rays are reflected or directed towards the opposite side.
  • the reflector 7 is in this case used in particular in the case of lenses 6, which have a light intensity distribution curve corresponding to FIG. 2, whereby the light intensity distribution curve shown in FIG. 6 then results given a corresponding configuration and arrangement of the reflector 7. From Fig. 6 it can now be clearly seen that the light output takes place only to one side, or the
  • Luminous intensity distribution curve only one wing, in contrast to
  • Such a configuration is, for example, desirable when shelves are arranged along a corridor on only one side and, accordingly, only this side is to be illuminated. In this case, however, it is no longer necessary that in an arrangement for emitting light 1, the entire optical element 2 must be replaced. Rather, it is readily possible that an arrangement for emitting light 1 with a corresponding optical element 2 is installed, and then according to the local conditions subsequently a reflector 7 of the arrangement for light emission 1 is assigned.
  • the reflector arbitrary shapes, for example. Curved, exhibit. Furthermore, there is also the possibility that the entire light from the lens is directed to a reflector.
  • the rear side of a preferably flat or flat reflector can be equipped with advertising / information carriers, wherein the rear side is illuminated by the transversely extending web of the lens.
  • the reflector 8 is formed in the embodiment shown in FIG. 7 as a diaphragm.
  • the diaphragm 8 is shaped and positioned in front of the lens 6 such that the emission angle of the light emitted by the lens 6 is reduced or narrowed.
  • the arrangement shown in Fig. 7 for light emission 1 otherwise corresponds to the arrangement for light emission 1 of Fig. 3, wherein the housing 3 has slightly longer leg for receiving the aperture 8 here.
  • This reduction or narrowing of the emission angle of the light emitted by the lens 6 takes place through the aperture 8 in this case, in particular in the transverse direction of the arrangement for emitting light 1 or the optical element 2. This can also be taken from the light emission characteristic or light intensity distribution curve shown in FIG , which in contrast to that shown in Fig. 4
  • Luminous intensity distribution curve has a lower emission angle, whereby in comparison to the arrangement shown in Fig. 3 for light emission 1, the glare 8 is optimized accordingly. This makes it possible, for example, that a corresponding arrangement for emitting light 1 can also be used in the checkout area of a shop, since this fulfills the corresponding requirements for such a work area.
  • the diaphragm 8 shown in FIG. 7 can also be used together with a lens 6 which has a luminous intensity distribution curve corresponding to FIG. 2.
  • the aperture 8 consists of two mounted on each side curved reflective elements, these elements as well as the reflector 7 in Fig. 5 are arranged in the longitudinal direction of the arrangement for light emission 1 and the optical element 2.
  • each reflective element thus influences in FIG.
  • the aperture can also have a correspondingly different shape.
  • the diaphragm is designed such that a circumferential glare is realized by the diaphragm.
  • the lenses can already be designed such that a glare in the longitudinal direction already takes place through the lenses.
  • Assembly is mounted to the light output with a corresponding optical element and only then the aperture is placed as desired lighting, whereby the use of the same or a very small number

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

The invention relates to an arrangement for emitting light (1) comprising at least one LED-light source (4) and at least one lens (6) arranged in front of the LED light source (4) in the light-emitting direction. A reflector (7, 8) is arranged in front of the lens (6) in the light emitting direction for influencing the light emitted from the lens (6).

Description

Anordnung zur Lichtabgabe  Arrangement for emitting light
Die vorliegende Erfindung betrifft eine Anordnung zur Lichtabgabe mit mindestens einer LED-Lichtquelle und mindestens einer in Lichtabstrahlrichtung vor der LED- Lichtquelle angeordneten Linse. The present invention relates to an arrangement for emitting light with at least one LED light source and at least one lens arranged in the light emission direction in front of the LED light source.
Bei länglichen Leuchten bzw. Anordnungen zur Lichtabgabe, die bspw. im In elongated lights or arrangements for light output, the example. In
gewerblichen Bereich Anwendung finden, wurden bisher häufig Leuchtstofflampen als Lichtquelle eingesetzt. Die fortschreitende Entwicklung von LEDs führt nun immer mehr dazu, dass bspw. Leuchtstofflampen durch entsprechende LEDs ersetzt werden. Dies ergibt sich zum einen daraus, dass LED-Lichtquellen erhebliche Vorteile bezüglich der Lebensdauer und Energieeffizienz im Vergleich zu herkömmlichen Leuchtmitteln aufweisen. Zum anderen sind die mit Hilfe von LEDs erzielbaren Lichtstärken mittlerweile ausreichend hoch, so dass LED-Lichtquellen ohne weiteres klassische Lichtquellen wie bspw. Leuchtstofflampen ersetzen können. Fluorescent lamps have been used as a light source in the commercial sector. The progressive development of LEDs now leads more and more to the fact that, for example, fluorescent lamps are replaced by corresponding LEDs. This results on the one hand from the fact that LED light sources have considerable advantages in terms of life and energy efficiency compared to conventional bulbs. On the other hand, the luminous intensities that can be achieved with the help of LEDs are now sufficiently high so that LED light sources can easily replace conventional light sources such as fluorescent lamps.
Um nun eine gewünschte Abstrahlcharakteristik der gesamten Anordnung zu erreichen, ist beispielsweise vorgesehen, dass den LED-Lichtquellen Linsen zugeordnet sind, die in Abstrahlrichtung vor den LED-Lichtquellen angeordnet werden. Mehrere derartiger Linsen sind hierbei zu einem länglichen optischen Element zusammengefügt, wobei vorzugsweise jeder LED-Lichtquelle jeweils genau eine Linse des optischen Elements zugeordnet ist. In Fig. 1 sind nun drei unterschiedlich ausgestaltete optische Elemente 2 gezeigt. Derartige optische Elemente 2 werden hierbei zumeist im Spritzgussverfahren hergestellt. In order to achieve a desired radiation characteristic of the entire arrangement, it is provided, for example, that the LED light sources are associated with lenses which are arranged in the emission direction in front of the LED light sources. Several such lenses are in this case joined together to form an elongate optical element, wherein preferably each LED light source is assigned in each case exactly one lens of the optical element. In Fig. 1, three differently configured optical elements 2 are shown. Such optical elements 2 are in this case usually produced by injection molding.
Aus den Fig. 2 und 4 gehen zwei mögliche Lichtstärkeverteilungskurven der in Fig. 1 gezeigten Linsen 6 hervor, wobei die dort dargestellten Kurven den Werten in der C0/C180-Ebene, also in Querrichtung zu den in Fig. 1 gezeigten optischen Elementen 2, entsprechen. Die in Fig. 2 gezeigte Lichtstärkeverteilungskurve weist zwei voneinander getrennte Flügel auf, die jeweils einen Spitzenbereich bei 30° und daran beidseits anschließende Flankenbereiche, in denen die Lichtstärke auf einen deutlich geringeren Wert als in dem Spitzenbereich abfällt, aufweisen, wobei eine der Flanken zu dem Winkelbereich um 0° hin abfällt. Eine derartige Lichtstärkeverteilung ist bspw. dann von Vorteil, wenn eine entsprechende Anordnung zur Lichtabgabe entlang eines Gangs angeordnet wird, der jeweils rechts und links Regale aufweist, die entsprechend durch die Anordnung zur Lichtabgabe beleuchtet werden sollen. FIGS. 2 and 4 show two possible light intensity distribution curves of the lenses 6 shown in FIG. 1, the curves illustrated therein corresponding to the values in the C0 / C180 plane, ie in the transverse direction to the optical elements 2 shown in FIG. correspond. The luminous intensity distribution curve shown in Fig. 2 has two separate wings, each having a tip portion at 30 ° and thereon on both sides adjacent flank regions in which the light intensity drops to a much lower value than in the tip region, wherein one of the flanks falls to the angle range by 0 ° out. Such a light intensity distribution is, for example, then advantageous if a corresponding arrangement for emitting light along a corridor is arranged, each of which has shelves on the right and left, which are to be illuminated by the arrangement for emitting light accordingly.
In Fig. 3 ist nun eine derartige Anordnung zur Lichtabgabe 1 gezeigt, die ein Gehäuse 3 mit einer Lichtaustrittsöffnung aufweist, wobei in dem Gehäuse 3 die LED- Lichtquellen 4 angeordnet sind und die zu dem optischen Element 2 In Fig. 3, such a device for light emission 1 is shown, which has a housing 3 with a light exit opening, wherein in the housing 3, the LED light sources 4 are arranged and the to the optical element. 2
zusammengefügten Linsen 6 das Gehäuse 3 in Lichtabstrahlrichtung verschließen. Bei der in Fig. 3 gezeigten Variante erzeugen die Linsen 6 im Vergleich zu Fig. 2 eine etwas andere Lichtstärkeverteilungskurve, die in Fig. 4 gezeigt ist. Durch diese wird eine sehr breite Ausleuchtung des Bereichs unterhalb der Anordnung zur Lichtabgabe 1 erreicht. assembled lenses 6, the housing 3 in the light emission direction close. In the variant shown in Fig. 3, the lenses 6 produce a slightly different luminous intensity distribution curve, as shown in Fig. 4, as compared to Fig. 2. Through this, a very wide illumination of the area below the arrangement for light emission 1 is achieved.
Insgesamt besteht hierbei nun das Problem, das eine einfache Veränderung der Lichtstärkeverteilung bzw. Lichtabstrahlcharakteristik der Linsen nicht so ohne Weiteres möglich ist, da es für eine entsprechende Änderung bisher notwendig ist, das gesamte optische Element auszutauschen, wodurch entsprechende hohe Kosten verursacht werden. Zusätzlich entstehen auch erhebliche Kosten durch die Herstellung weiterer optischer Elemente im Spritzgussverfahren, da für jede alternative Overall, there is now the problem that a simple change in the luminous intensity distribution or Lichtabstrahlcharakteristik the lenses is not readily possible, since it is necessary for a corresponding change, to replace the entire optical element, causing corresponding high costs. In addition, considerable costs are incurred by the production of other optical elements by injection molding, as for each alternative
Ausführungsform eigene Werkzeuge bzw. Gussformen hergestellt werden müssen, die zu hohen Kosten führen. Embodiment own tools or molds must be produced, which lead to high costs.
Der vorliegenden Erfindung liegt dementsprechend die Aufgabe zugrunde, die oben skizzierte Anordnung zur Lichtabgabe derart weiterzuentwickeln, dass die The present invention is therefore based on the object to further develop the above-outlined arrangement for light output in such a way that the
Lichtstärkeverteilung bzw. Lichtabstrahlcharakteristik der Anordnung zur Lichtabgabe verändert werden kann, ohne die Linsen bzw. das optische Element auszutauschen. Light intensity distribution or Lichtabstrahlcharakteristik the arrangement for light output can be changed without replacing the lenses or the optical element.
Die Aufgabe wird durch eine Anordnung zur Lichtabgabe gemäß Anspruch 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der abhängigen The object is achieved by an arrangement for emitting light according to claim 1. Advantageous developments of the invention are the subject of the dependent
Ansprüche. Erfindungsgemäß wird eine Anordnung zur Lichtabgabe vorgeschlagen, die mindestens eine LED-Lichtquelle und mindestens eine in Lichtabstrahlrichtung vor der LED-Lichtquelle angeordnete Linse aufweist, wobei in Lichtabstrahlrichtung vor der Linse ein Reflektor zur Beeinflussung des von der Linse abgegebenen Lichts angeordnet ist. Claims. According to the invention, an arrangement for emitting light is proposed which has at least one LED light source and at least one lens arranged in the light emission direction in front of the LED light source, wherein a reflector for influencing the light emitted by the lens is arranged in the light emission direction in front of the lens.
Durch den Reflektor ist es nunmehr möglich, die Lichtstärkeverteilung bzw. Through the reflector, it is now possible, the light intensity distribution or
Lichtabstrahlcharakteristik der Linse entsprechend zu verändern, wodurch ein und dieselbe Form der Linse für die unterschiedlichsten Beleuchtungsaufgaben eingesetzt werden kann. Der Reflektor wird hierbei insbesondere in Querrichtung verwendet. Es besteht aber auch die Möglichkeit, dass die Lichtabgabe in Längsrichtung durch den Reflektor beeinflusst wird, beispielsweise bei der Tafelbeleuchtung in Schulräumen. Changing the light emission characteristic of the lens accordingly, whereby one and the same form of the lens can be used for a variety of lighting tasks. The reflector is used here in particular in the transverse direction. However, there is also the possibility that the light output in the longitudinal direction is influenced by the reflector, for example in panel lighting in classrooms.
Wie bereits oben erläutert kann auch hier vorgesehen sein, dass die Anordnung zur Lichtabgabe mehrere LED-Lichtquellen und mehrere Linsen aufweist, wobei die Linsen zu einem optischen Element zusammengefügt sind. Zusätzlich kann auch vorgesehen sein, dass jeder LED-Lichtquelle jeweils genau eine Linse des optischen Elements zugeordnet ist. Desweiteren kann ebenfalls vorgesehen sein, dass die Anordnung zur Lichtabgabe ein Gehäuse mit einer Lichtaustrittsöffnung aufweist, wobei in dem Gehäuse die mindestens eine LED-Lichtquelle angeordnet ist und die mindestens eine Linse das Gehäuse in Lichtabstrahlrichtung verschließt. As already explained above, it can also be provided here that the arrangement for emitting light has a plurality of LED light sources and a plurality of lenses, wherein the lenses are joined together to form an optical element. In addition, it can also be provided that each LED light source is assigned in each case exactly one lens of the optical element. Furthermore, it can also be provided that the arrangement for emitting light has a housing with a light exit opening, wherein the at least one LED light source is arranged in the housing and the at least one lens closes the housing in the light emission direction.
Zusätzlich kann die Lichtstärkeverteilungskurve des von der Linse abgegebenen Lichts in der C0/C180-Ebene ein oder mehrere, vorzugsweise zwei im Wesentlichen symmetrische, voneinander getrennte Flügel, aufweisen, die jeweils im wesentlichen in einem Winkelbereich von 0° bis 90°, bezogen auf eine Achse parallel zur In addition, the luminous intensity distribution curve of the light emitted by the lens in the C0 / C180 plane may comprise one or more, preferably two substantially symmetrical, mutually separated wings, each substantially in an angular range of 0 ° to 90 °, with respect to a Axis parallel to
Lichtabstrahlrichtung durch den Lichtschwerpunkt der Linse, liegen und jeweils einen Spitzenbereich und daran beidseits anschließende Flankenbereiche, in denen die Lichtstärke auf einen deutlich geringeren Wert als in dem Spitzenbereich abfällt, aufweisen, wobei der Spitzenbereich bei Winkeln grösser 0° liegt und eine der Flanken zu dem Winkelbereich um 0° hin abfällt. Lichtabstrahlrichtung by the center of gravity of the lens, lie and each have a tip region and adjoining flank areas in which the light intensity drops to a much lower value than in the tip region, the tip region at angles greater than 0 ° and one of the flanks to the Angular range drops by 0 °.
Desweiteren kann vorgesehen sein, dass der Reflektor derart ausgebildet und seitlich vor der Linse angeordnet ist, dass im Wesentlichen das gesamte von der Linse abgegebene Licht zu der dem Reflektor gegenüberliegenden Seite der Linse gelenkt wird. Hierbei kann zusätzlich vorgesehen sein, dass die der Linse abgewandte Seite des Reflektors als Werbe-/Infoträger ausgebildet ist. Durch diese Ausgestaltung und Anordnung des Reflektors ergibt sich nun eine Lichtstärkeverteilung bzw. Furthermore, it can be provided that the reflector is designed and arranged laterally in front of the lens, that substantially the entire of the lens emitted light is directed to the reflector opposite side of the lens. In this case, it may additionally be provided that the side of the reflector facing away from the lens is designed as an advertising / information carrier. This configuration and arrangement of the reflector now results in a light intensity distribution or
Lichtabstrahlcharakteristik, die bspw. bei der Anbringung der Anordnung zur Lichtabgabe entlang eines Gangs dazu führt, dass nur noch eine Seite des Gangs entsprechend beleuchtet wird. Dies könnte bspw. von Interesse sein, falls nur an einer Seite des Gangs ein Regal angeordnet ist, das entsprechend beleuchtet werden soll. Alternativ kann vorgesehen sein, dass es sich bei dem Reflektor um eine Blende handelt, die derart ausgebildet und vor der Linse angeordnet ist, dass der Lichtabstrahlcharakteristik, which leads, for example. When attaching the arrangement for light output along a corridor that only one side of the aisle is illuminated accordingly. This could be of interest, for example, if only one side of the aisle is arranged with a shelf which should be illuminated accordingly. Alternatively, it can be provided that the reflector is a diaphragm which is designed in such a way and arranged in front of the lens, that the
Abstrahlwinkel des von der Linse abgegebenen Lichts verkleinert bzw. verengt wird, insbesondere in der C0/C180-Ebene, wobei die Linse bereits derart ausgebildet sein kann, dass durch sie eine Entblendung in der C90/C270-Ebene erfolgt. Hierdurch wird bei einer relativ breit strahlenden Linse eine Entblendung erreicht, wodurch eine entsprechende Anordnung zur Lichtabgabe bspw. auch an Computerarbeitsplätzen oder im Kassenbereich eines Ladens eingesetzt werden kann. Beam angle of the light emitted from the lens is reduced or narrowed, in particular in the C0 / C180 plane, wherein the lens can already be designed such that it is done by glare deflation in the C90 / C270 level. In this way, a glare is achieved in a relatively wide-angle lens, whereby a corresponding arrangement for light output, for example, can be used at computer workstations or in the cashier area of a store.
Desweiteren kann vorgesehen sein, dass jeweils einer Linse ein Reflektor oder mehreren Linsen ein Reflektor zugeordnet ist, wobei auch nur einem Teil der Linsen Reflektoren zugeordnet sein können. Furthermore, it may be provided that in each case one reflector or a plurality of lenses is associated with a reflector, wherein only a portion of the lenses reflectors can be assigned.
Nachfolgend soll die Erfindung anhand von Ausführungsbeispielen und den beiliegenden Zeichnungen näher erläutert werden. Es zeigen: The invention will be explained in more detail with reference to embodiments and the accompanying drawings. Show it:
Fig. 1 Darstellung mehrerer zu optischen Elementen zusammengefügten Fig. 1 representation of several assembled to optical elements
Linsen;  Lenses;
Fig. 2 mögliche Lichtstärkeverteilungskurve der in Fig. 1 gezeigten Linsen in Fig. 2 possible light intensity distribution curve of the lenses shown in Fig. 1 in
Querrichtung;  Transverse direction;
Fig. 3 Anordnung zur Lichtabgabe mit einem mehrere Linsen aufweisenden optischen Element; Fig. 4 Lichtstärkeverteilungskurve der in Fig. 3 gezeigten Anordnung zurFig. 3 arrangement for emitting light with a multi-lens having optical element; Fig. 4 light intensity distribution curve of the arrangement shown in Fig. 3 for
Lichtabgabe bzw. des optischen Elements in Querrichtung; Light output or the optical element in the transverse direction;
Fig. 5 erfindungsgemäße Anordnung zur Lichtabgabe gemäß einer ersten Fig. 5 inventive arrangement for emitting light according to a first
Ausfuhrungsform;  embodiment;
Fig. 6 Lichtstärkenverteilungskurve der in Fig. 5 gezeigten Anordnung zur Fig. 6 light intensity distribution curve of the arrangement shown in Fig. 5 for
Lichtabgabe in Querrichtung; Fig. 7 erfindungsgemäße Anordnung zur Lichtabgabe gemäß einer zweiten  Light output in the transverse direction; Fig. 7 arrangement according to the invention for emitting light according to a second
Ausfuhrungsform;  embodiment;
Fig. 8 Lichtstärkeverteilung der in Fig. 7 gezeigten Anordnung zur Fig. 8 light intensity distribution of the arrangement shown in Fig. 7 for
Lichtabgabe in Querrichtung.  Light output in the transverse direction.
In Fig. 3 ist, wie bereits erläutert, eine aus dem Stand der Technik bekannte In Fig. 3, as already explained, one known from the prior art
Anordnung zur Lichtabgabe 1 gezeigt. Die Anordnung zur Lichtabgabe 1 weist ein Gehäuse 3 mit einer Lichtaustrittsöffnung auf, wobei in dem Gehäuse LED- Lichtquellen 4 angeordnet sind und die Lichtaustrittsöffnung durch ein optisches Element 2 verschlossen wird. Das optische Element 2 besteht hierbei aus mehreren Linsen 6, die in Lichtabstrahlrichtung vor den LED-Lichtquellen 4 angeordnet sind. Derartige optische Elemente 2, die sich aus mehreren Linsen 6 zusammensetzen, sind beispielhaft in Fig. 1 gezeigt. In den Fig. 2 und 4 sind zwei unterschiedliche Lichtabstrahlcharakteristiken bzw.Arrangement for light emission 1 shown. The arrangement for emitting light 1 has a housing 3 with a light exit opening, wherein LED light sources 4 are arranged in the housing and the light exit opening is closed by an optical element 2. The optical element 2 in this case consists of a plurality of lenses 6 which are arranged in the light emission direction in front of the LED light sources 4. Such optical elements 2, which are composed of a plurality of lenses 6, are shown by way of example in FIG. 2 and 4 are two different Lichtabstrahlcharakteristiken or
Lichtstärkeverteilungskurven derartiger Linsen 6 in der C0/C180-Ebene und somit in Querrichtung zum optischen Element 2 gezeigt. Die in Fig. 2 gezeigte Luminous intensity distribution curves of such lenses 6 in the C0 / C180 plane and thus shown in the transverse direction to the optical element 2. The shown in Fig. 2
Lichtstärkeverteilungskurve eignet sich insbesondere bspw. für Verkaufsläden, bei denen entlang von Gängen links und rechts jeweils Regale angeordnet sind, die durch entsprechende Anordnungen zur Lichtabgabe 1 besonders beleuchtet werden sollen. Die in Fig. 4 gezeigte Lichtstärkeverteilungskurve hingegen wird insbesondere dann bevorzugt, wenn ein relativ großer Bereich unterhalb einer derartigen Anordnung zur Lichtabgabe 1 beleuchtet werden soll, da in diesem Fall die Linsen 6 eine relativ breit strahlende Charakteristik aufweisen. An der Oberseite des Gehäuses ist desweiteren bei der Anordnung zur Lichtabgabe 1 noch eine Vorrichtung 5 vorgesehen, die eine mechanische Befestigung der Luminous intensity distribution curve is particularly suitable, for example, for shops, where shelves are arranged along the left and right aisles, which are to be particularly illuminated by appropriate arrangements for light output 1. The light intensity distribution curve shown in FIG. 4, on the other hand, is particularly preferred when a relatively large area below such an arrangement for light emission 1 is to be illuminated, since in this case the lenses 6 have a relatively wide-radiating characteristic. At the top of the housing further in the arrangement for emitting light 1, a device 5 is still provided, which is a mechanical attachment of
Anordnung zur Lichtabgabe 1 an einer Tragschiene ermöglicht und ferner innerhalb der Tragschiene verlaufende Leitungen kontaktiert. Arrangement for light emission 1 allows a support rail and also contacted within the support rail extending lines.
Erfindungsgemäß ist nun vorgesehen, dass in Lichtabstrahlrichtung vor der Linse 6 ein Reflektor 7, 8 zur Beeinflussung der Lichtabgabe der Linse 6 angeordnet ist. In den Fig. 5 und 7 sind hierzu zwei erfindungsgemäße Ausführungsbeispiele dargestellt. According to the invention, it is now provided that a reflector 7, 8 for influencing the light output of the lens 6 is arranged in the light emission direction in front of the lens 6. FIGS. 5 and 7 show two exemplary embodiments of the invention for this purpose.
In Fig. 5 ist hierbei nun eine entsprechende Ausgestaltungsvariante gezeigt, bei der ein im Wesentlichen flach bzw. eben ausgestalteter Reflektor 7 in Längsrichtung der Anordnung zur Lichtabgabe 1 bzw. des optischen Elements 2 an einer Seite der Linse 6 angeordnet wird, wodurch die durch die Linse 6 in diese Richtung abgegebenen Lichtstrahlen in Richtung der gegenüberliegenden Seite reflektiert bzw. gelenkt werden. Der Reflektor 7 wird hierbei insbesondere bei Linsen 6 eingesetzt, die eine Lichtstärkeverteilungskurve entsprechend Fig. 2 aufweisen, wodurch sich dann bei entsprechender Ausgestaltung und Anordnung des Reflektors 7 die in Fig. 6 gezeigte Lichtstärkeverteilungskurve ergibt. Aus Fig. 6 ist nunmehr deutlich zu erkennen, dass die Lichtabgabe lediglich nur noch zu einer Seite hin erfolgt, bzw. die In Fig. 5 here is a corresponding embodiment variant is shown, in which a substantially flat or planar reflector 7 is arranged in the longitudinal direction of the arrangement for emitting light 1 and the optical element 2 on one side of the lens 6, whereby the through Lens 6 emitted in this direction light rays are reflected or directed towards the opposite side. The reflector 7 is in this case used in particular in the case of lenses 6, which have a light intensity distribution curve corresponding to FIG. 2, whereby the light intensity distribution curve shown in FIG. 6 then results given a corresponding configuration and arrangement of the reflector 7. From Fig. 6 it can now be clearly seen that the light output takes place only to one side, or the
Lichtstärkeverteilungskurve nur noch einen Flügel, im Gegensatz zur Luminous intensity distribution curve only one wing, in contrast to
Lichtstärkeverteilungskurve in Fig. 2 mit zwei Flügeln, aufweist. Luminous intensity distribution curve in Fig. 2 with two wings.
Eine derartige Ausgestaltung ist bspw. dann wünschenswert, wenn entlang eines Gangs nur an einer Seite Regale angeordnet sind und dementsprechend auch nur diese Seite beleuchtet werden soll. Hierbei ist es nun aber nicht mehr notwendig, dass bei einer Anordnung zur Lichtabgabe 1 das gesamte optische Element 2 ausgetauscht werden muss. Vielmehr ist es ohne Weiteres möglich, dass eine Anordnung zur Lichtabgabe 1 mit einem entsprechenden optischen Element 2 installiert wird, und dann entsprechend den örtlichen Bedingungen nachträglich ein Reflektor 7 der Anordnung zur Lichtabgabe 1 zugeordnet wird. Such a configuration is, for example, desirable when shelves are arranged along a corridor on only one side and, accordingly, only this side is to be illuminated. In this case, however, it is no longer necessary that in an arrangement for emitting light 1, the entire optical element 2 must be replaced. Rather, it is readily possible that an arrangement for emitting light 1 with a corresponding optical element 2 is installed, and then according to the local conditions subsequently a reflector 7 of the arrangement for light emission 1 is assigned.
Entsprechend der gewünschten Lichtabstrahlcharakteristik bzw. der According to the desired Lichtabstrahlcharakteristik or the
Lichtstärkeverteilung kann der Reflektor beliebige Formen, bspw. gekrümmt, aufweisen. Desweiteren besteht auch die Möglichkeit, dass das gesamte Licht aus der Linse auf einen Reflektor gerichtet wird. Light intensity distribution, the reflector arbitrary shapes, for example. Curved, exhibit. Furthermore, there is also the possibility that the entire light from the lens is directed to a reflector.
Die Hauptanwendungsrichtung solcher Reflektoren ist bei Langfeldleuchten normalerweise nun in Querrichtung. Es besteht aber auch die Möglichkeit, dass die Lichtabgabe in Längsrichtung durch Reflektoren beeinflusst wird. Dies ist bspw. bei der Tafelbeleuchtung in Schulräumen vorteilhaft, da es hier dann nicht mehr erforderlich ist, dass im Tafelbereich eine einzelne Leuchte quer zu den im restlichen Raum angeordneten Leuchten aufgehängt werden muss, da die Tafelbeleuchtung dann durch die spezielle Anordnung des Reflektors erreicht werden kann. The main application direction of such reflectors is normally now transversely in the case of linear luminaires. But there is also the possibility that the light output in the longitudinal direction is influenced by reflectors. This is advantageous, for example, in panel lighting in classrooms, as it is then no longer necessary for a single luminaire to be suspended transversely to the luminaires arranged in the remaining room in the panel area, since the panel lighting is then achieved by the special arrangement of the reflector can.
Zusätzlich kann auch noch vorgesehen sein, dass bspw. für einen Verkaufsbereich die Rückseite eines vorzugsweise ebenen bzw. flachen Reflektors mit Werbe-/Infoträgern bestückbar ist, wobei die Rückseite durch den quer verlaufenden Steg der Linse beleuchtet wird. In addition, it may also be provided that, for example, for a sales area, the rear side of a preferably flat or flat reflector can be equipped with advertising / information carriers, wherein the rear side is illuminated by the transversely extending web of the lens.
Im Gegensatz zu dem in Fig. 5 gezeigten Ausführungsbeispiel, in dem ein im In contrast to the embodiment shown in Fig. 5, in which a in
Wesentlichen flacher bzw. ebener Reflektor 7 zum Einsatz kommt, ist der Reflektor 8 bei dem in Fig. 7 gezeigten Ausführungsbeispiel als Blende ausgebildet. Die Blende 8 ist hierbei derart geformt und vor der Linse 6 positioniert, dass der Abstrahlwinkel des von der Linse 6 abgegebenen Lichts verkleinert bzw. verengt wird. Die in Fig. 7 gezeigte Anordnung zur Lichtabgabe 1 entspricht hierbei ansonsten der Anordnung zur Lichtabgabe 1 aus Fig. 3, wobei das Gehäuse 3 hier etwas längere Schenkel zur Aufnahme der Blende 8 aufweist. Substantially flat or planar reflector 7 is used, the reflector 8 is formed in the embodiment shown in FIG. 7 as a diaphragm. In this case, the diaphragm 8 is shaped and positioned in front of the lens 6 such that the emission angle of the light emitted by the lens 6 is reduced or narrowed. The arrangement shown in Fig. 7 for light emission 1 otherwise corresponds to the arrangement for light emission 1 of Fig. 3, wherein the housing 3 has slightly longer leg for receiving the aperture 8 here.
Diese Verkleinerung bzw. Verengung des Abstrahlwinkels des von der Linse 6 abgegebenen Lichts erfolgt durch die Blende 8 hierbei insbesondere in Querrichtung der Anordnung zur Lichtabgabe 1 bzw. des optischen Elements 2. Dies kann auch der in Fig. 8 gezeigten Lichtabstrahlcharakteristik bzw. Lichtstärkeverteilungskurve entnommen werden, die im Gegensatz zu der in Fig. 4 gezeigten This reduction or narrowing of the emission angle of the light emitted by the lens 6 takes place through the aperture 8 in this case, in particular in the transverse direction of the arrangement for emitting light 1 or the optical element 2. This can also be taken from the light emission characteristic or light intensity distribution curve shown in FIG , which in contrast to that shown in Fig. 4
Lichtstärkeverteilungskurve einen geringeren Abstrahlwinkel aufweist wodurch im Vergleich zu der in Fig. 3 gezeigten Anordnung zur Lichtabgabe 1, durch die Blende 8 die Entblendung entsprechend optimiert wird. Hierdurch ist es bspw. möglich, dass eine entsprechende Anordnung zur Lichtabgabe 1 auch im Kassenbereich eines Verkaufsladens eingesetzt werden kann, da diese die entsprechenden Anforderungen für einen derartigen Arbeitsplatzbereich erfüllt. Luminous intensity distribution curve has a lower emission angle, whereby in comparison to the arrangement shown in Fig. 3 for light emission 1, the glare 8 is optimized accordingly. This makes it possible, for example, that a corresponding arrangement for emitting light 1 can also be used in the checkout area of a shop, since this fulfills the corresponding requirements for such a work area.
Desweiteren ist auch der Einsatz bspw. an Bildschirmarbeitsplätzen möglich. Furthermore, the use of eg. At VDU workstations is possible.
Die in Figur 7 gezeigte Blende 8 kann aber auch zusammen mit einer Linse 6 eingesetzt werden, die eine Lichtstärkeverteilungskurve entsprechend Fig. 2 aufweist. However, the diaphragm 8 shown in FIG. 7 can also be used together with a lens 6 which has a luminous intensity distribution curve corresponding to FIG. 2.
In Fig. 7 besteht die Blende 8 aus zwei an jeder Seite angebrachten gebogenen reflektierenden Elementen, wobei diese Elemente wie auch der Reflektor 7 in Fig. 5 in Längsrichtung der Anordnung zur Lichtabgabe 1 bzw. des optischen Elements 2 angeordnet sind. Bei einer Linse 6, die eine Lichtstärkeverteilungskurve entsprechend Fig. 2 aufweist, beeinflusst hierbei jedes reflektierende Element somit im In Fig. 7, the aperture 8 consists of two mounted on each side curved reflective elements, these elements as well as the reflector 7 in Fig. 5 are arranged in the longitudinal direction of the arrangement for light emission 1 and the optical element 2. In the case of a lens 6, which has a luminous intensity distribution curve corresponding to FIG. 2, each reflective element thus influences in FIG
Wesentlichen einen der beiden Flügel, wodurch eine Veränderung der Flügel bzw. des Winkels zwischen den beiden Flügeln erreicht wird. Essentially one of the two wings, whereby a change in the wings or the angle between the two wings is achieved.
Die Blende kann aber auch eine entsprechend andere Form aufweisen. Beispielsweise wäre es auch denkbar, dass die Blende derart ausgestaltet ist, dass eine umlaufende Entblendung durch die Blende realisiert wird. Hierbei ist aber zu beachten, dass die Linsen bereits derart ausgestaltet sein können, dass eine Entblendung in Längsrichtung bereits durch die Linsen erfolgt. But the aperture can also have a correspondingly different shape. For example, it would also be conceivable that the diaphragm is designed such that a circumferential glare is realized by the diaphragm. In this case, however, it should be noted that the lenses can already be designed such that a glare in the longitudinal direction already takes place through the lenses.
Auch durch die Blende ist es nun wiederum möglich, dass eine entsprechende Also through the aperture, it is now possible that a corresponding
Anordnung zur Lichtabgabe mit einem entsprechenden optischen Element montiert wird und erst anschließend die Blende je nach Wunsch der Beleuchtung angebracht wird, wodurch der Einsatz der gleichen bzw. einer sehr geringen Zahl Assembly is mounted to the light output with a corresponding optical element and only then the aperture is placed as desired lighting, whereby the use of the same or a very small number
unterschiedlicher Linsen für viele verschiedene Beleuchtungsaufgaben möglich wird. different lenses for many different lighting tasks is possible.

Claims

Ansprüche  claims
Anordnung zur Lichtabgabe (1), mit mindestens einer LED-Lichtquelle (4) und mindestens einer in Lichtabstrahlrichtung vor der LED-Lichtquelle (4) angeordneten Linse (6), Arrangement for emitting light (1), comprising at least one LED light source (4) and at least one lens (6) arranged in front of the LED light source (4) in the light emission direction,
dadurch gekennzeichnet,  characterized,
dass in Lichtabstrahlrichtung vor der Linse (6) ein Reflektor (7, 8) zur  in that in the light emission direction in front of the lens (6) a reflector (7, 8) for
Beeinflussung des von der Linse (6) abgegebenen Lichts angeordnet ist.  Influencing the light emitted from the lens (6) is arranged.
Anordnung zur Lichtabgabe nach Anspruch 1 , Arrangement for emitting light according to claim 1,
dadurch gekennzeichnet,  characterized,
dass die Lichtstärkeverteilungskurve des von der Linse (6) abgegebenen Lichts in der C0/C180-Ebene ein oder mehrere voneinander getrennte Flügel aufweist, die jeweils im wesentlichen in einem Winkelbereich von 0° bis 90°, bezogen auf eine Achse parallel zur Lichtabstrahlrichtung durch den Lichtschwerpunkt der Linse (6), liegen und jeweils einen Spitzenbereich und daran beidseits anschließende Flankenbereiche, in denen die Lichtstärke auf einen deutlich geringeren Wert als in dem Spitzenbereich abfällt, aufweisen, wobei der Spitzenbereich bei Winkeln grösser 0° liegt und eine der Flanken zu dem Winkelbereich um 0° hin abfällt.  in that the luminous intensity distribution curve of the light emitted by the lens (6) in the C0 / C180 plane has one or more mutually separate wings, each substantially in an angular range of 0 ° to 90 ° relative to an axis parallel to the light emission direction through the Lens of the lens (6), lie and each have a tip region and on both sides subsequent flank regions in which the light intensity drops to a much lower value than in the tip region, wherein the tip region at angles greater than 0 ° and one of the flanks to the Angular range drops by 0 °.
Anordnung zur Lichtabgabe nach Anspruch 2, Arrangement for emitting light according to claim 2,
dadurch gekennzeichnet,  characterized,
dass die Lichtstärkeverteilungskurve zwei Flügel aufweist, die, bezogen auf eine Achse parallel zur Lichtabstrahlrichtung durch den Lichtschwerpunkt der Linse (6), im Wesentlichen symmetrisch liegen.  in that the luminous intensity distribution curve has two vanes which lie substantially symmetrically with respect to an axis parallel to the light emission direction through the light centroid of the lens (6).
4. Anordnung zur Lichtabgabe nach einem dem vorherigen Ansprüche, 4. Arrangement for emitting light according to one of the preceding claims,
dadurch gekennzeichnet, dass der Reflektor (7) derart ausgebildet und seitlich vor der Linse (6) angeordnet ist, dass im Wesentlichen das gesamte von der Linse (6) abgegebene Licht zu der dem Reflektor (7) gegenüberliegenden Seite der Linse (6) gelenkt wird. characterized, in that the reflector (7) is designed and arranged laterally in front of the lens (6) such that substantially all of the light emitted by the lens (6) is directed to the side of the lens (6) opposite the reflector (7).
5. Anordnung zur Lichtabgabe nach Anspruch 4, 5. Arrangement for emitting light according to claim 4,
dadurch gekennzeichnet,  characterized,
dass die der Linse (6) abgewandte Seite des Reflektors (7) als Werbe- /Infoträger ausgebildet ist.  that the side facing away from the lens (6) of the reflector (7) is designed as advertising / information carrier.
6. Anordnung zur Lichtabgabe nach Anspruch 1 , 6. Arrangement for light emission according to claim 1,
dadurch gekennzeichnet,  characterized,
dass es sich bei dem Reflektor um eine Blende (8) handelt, die derart ausgebildet und vor der Linse (6) angeordnet ist, dass der Abstrahlwinkel des von der Linse (6) abgegebenen Lichts verkleinert bzw. verengt wird.  in that the reflector is a diaphragm (8) which is designed and arranged in front of the lens (6) such that the emission angle of the light emitted by the lens (6) is reduced or narrowed.
Anordnung zur Lichtabgabe nach einem der vorherigen Ansprüche, Arrangement for emitting light according to one of the preceding claims,
dadurch gekennzeichnet,  characterized,
dass die Anordnung zur Lichtabgabe (1) mehrere LED -Lichtquellen (4) und mehrere Linsen (6) aufweist, wobei die Linsen (6) zu einem optischen Element (2) zusammengefügt sind.  in that the arrangement for emitting light (1) has a plurality of LED light sources (4) and a plurality of lenses (6), wherein the lenses (6) are joined together to form an optical element (2).
Anordnung zur Lichtabgabe nach Anspruch 7, Arrangement for emitting light according to claim 7,
dadurch gekennzeichnet,  characterized,
dass jeder LED-Lichtquelle (4) jeweils genau eine Linse (6) des optischen Elements (2) zugeordnet ist.  in that each LED light source (4) is associated with exactly one lens (6) of the optical element (2).
Anordnung zur Lichtabgabe nach einem der Ansprüche 7-8, A light emitting device according to any one of claims 7-8,
dadurch gekennzeichnet,  characterized,
dass jeweils einer Linse (6) ein Reflektor (7, 8) zugeordnet ist.  in that a respective reflector (7, 8) is assigned to a lens (6).
10. Anordnung zur Lichtabgabe nach einem der Ansprüche 7-8, 10. Arrangement for light emission according to one of claims 7-8,
dadurch gekennzeichnet,  characterized,
dass mehreren Linsen (6) ein Reflektor (7, 8) zugeordnet ist. Anordnung zur Lichtabgabe nach einem der Ansprüche 7-10, that a plurality of lenses (6) is associated with a reflector (7, 8). Arrangement for emitting light according to one of claims 7-10,
dadurch gekennzeichnet, characterized,
dass nur einem Teil der Linsen (6) Reflektoren (7, 8) zugeordnet sind. that only a part of the lenses (6) reflectors (7, 8) are assigned.
Anordnung zur Lichtabgabe nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, Arrangement for emitting light according to one of the preceding claims, characterized
dass die Anordnung zur Lichtabgabe (1) ein Gehäuse (3) mit einer in that the arrangement for emitting light (1) has a housing (3) with a
Lichtaustrittsöffnung aufweist, wobei in dem Gehäuse (3) die mindestens ei LED-Lichtquelle (4) angeordnet ist und die mindestens eine Linse (6) das Gehäuse (3) in Lichtabstrahlrichtung verschließt. Has light exit opening, wherein in the housing (3) the at least one LED light source (4) is arranged and the at least one lens (6) closes the housing (3) in the light emission direction.
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WO2013011045A2 (en) 2013-01-24
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