DE3148843C2 - Multiple light emitting diode arrangement - Google Patents

Multiple light emitting diode arrangement

Info

Publication number
DE3148843C2
DE3148843C2 DE3148843A DE3148843A DE3148843C2 DE 3148843 C2 DE3148843 C2 DE 3148843C2 DE 3148843 A DE3148843 A DE 3148843A DE 3148843 A DE3148843 A DE 3148843A DE 3148843 C2 DE3148843 C2 DE 3148843C2
Authority
DE
Germany
Prior art keywords
light
reflectors
emitting diode
reflector
emitting diodes
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.)
Expired
Application number
DE3148843A
Other languages
German (de)
Other versions
DE3148843A1 (en
Inventor
Dieter 6365 Rosbach Busch
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.)
Vishay Semiconductor GmbH
Original Assignee
Telefunken Electronic 7100 Heilbronn GmbH
Telefunken Electronic GmbH
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 Telefunken Electronic 7100 Heilbronn GmbH, Telefunken Electronic GmbH filed Critical Telefunken Electronic 7100 Heilbronn GmbH
Priority to DE3148843A priority Critical patent/DE3148843C2/en
Priority to FR8220789A priority patent/FR2518317B1/en
Publication of DE3148843A1 publication Critical patent/DE3148843A1/en
Application granted granted Critical
Publication of DE3148843C2 publication Critical patent/DE3148843C2/en
Expired legal-status Critical Current

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
    • F21K9/90—Methods of manufacture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements
    • H01L33/60—Reflective elements

Landscapes

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

Abstract

Bei einer Mehrfach-Leuchtdiodenanordnung weist der Leuchtdiodenträger eine Mehrzahl von Reflektoren auf, in denen die Leuchtdioden angeordnet sind, wobei die Reflektoren streifenförmig oder matrixartig zusammengefaßt sind.In the case of a multiple light-emitting diode arrangement, the light-emitting diode carrier has a plurality of reflectors in which the light-emitting diodes are arranged, the reflectors being combined in the form of strips or a matrix.

Claims (3)

1 2 Die F i g. 1 a zeigt einen Reflektorstreifen, der auch als Patentansprüche: Reflektorzeile bezeichnet werden kann. Ein Reflektor streifen, der als Träger für die Leuchtdioden dient, be-1 2 The F i g. 1 a shows a reflector strip, which can also be referred to as patent claims: reflector line. A reflector strip, which serves as a carrier for the light-emitting diodes, is 1. Mehrfach-Leuchtdiodenanordnung mit einem steht gemäß der Fig. 1 aus mehreren miteinander verSubstrat aus Kunststoff, auf dem metallische, strei- 5 bundenen Reflektoren 1, die gemäß der Fig. Ib zur fen- oder mairixförmig angeordnete Reflektoren Aufnahme der Leuchtdioden 2 dienen. Zur Erzielung und in jedem der Reflektoren jeweils eine Leuchtdi- einer großflächigen Leuchtfläche bzw. zur Erzielung eiode angeordnet ist, und mit Kontaktstreifen zur ner bestimmten Leuchtkraft werden die Reflektorstreielektrischen Verbindung der Leuchtdioden, da- fen gemäß den Fig.3 und 5 vorzugsweise majTxartig durch gekennzeichnet, daß das Substrat (7) io nebeneinander angeordnet Der Reflektorstreifen der aus Kunststoff flexibel ist. daß die Reflektoren (1) als F i g. 1 weist aus Darstellungsgründen nur vier Reflektonapfförmige Ausformungen in Blechstreifen ausge- ren 1 auf, während in der Praxis im allgemeinen wesentbildet sind, wobei ein jeder Blechstreifen zugleich lieh mehr Reflektoren bei einem Reflektorstreifen vorzur elektrischen Kontaktierung jeweils der einen banden sind. Die Leuchtdioden 2 werden gemäß der Elektrode der darauf angeordneten Leuchtdioden ts Fig. Ib am Boden der Reflektoren I angeordnet Die (2) und zur Kühlung dieser Leuchtdioden ausgebil- Reflektoren 1, die im allgemeinen wannenförmig ausgedet ist, daß die Kontaktstreifen (4) jeweils zwischen bildet sind, sind gemäß der F i g. 1 durch Stege 3 miteinzwei Reflektorstreifen und parallel zu diesem Re- ander verbunden. Die Reflektorstreifen werden vorflektorstreifen angeordnet verlaufen und die jevveili- zugsweise aus einem Materialstück, beispielsweise gen anderen Elektroden der Leuchtdioden über Zu- io durch Stanzen und Verformen, hergestellt Als Material leitungen (6/ mit dieser. Kontaktstreifen (4) verbun- für die Reflektoren und damit auch für die Reflektorden sind, so daß die mit einem Kontaktstreifen (4) streifen eignet sich beispielsweise Aluminium,
verbundenen Leuchtdioden elektrisch parallel ge- Bei der Anordnung der F i g. 2 sind die Reflektoren 1 schaltet sind, und daß die einzelnen Reflektoren (1) matrixartig angeordnet Es empfiehlt sich jedoch, geüber verhältnismäßig schmale, flexible, einstückig 25 maß der Fig.3 von Reflektorstreifen auszugehen und mit den Reflektoren ausgebildete Brücken verbun- mehrere Reflektorstreifen nebeneinander anzuordnen, den sind. wodurch gemäß der; F i g. 3 und 5 ebenfalls eine matrix-1. Multiple light-emitting diode arrangement with a stand according to FIG. 1 from several mutually verSubstrat made of plastic, on the metallic, strip-bound reflectors 1, which serve to accommodate the light-emitting diodes 2 according to FIG. In order to achieve and in each of the reflectors a light-emitting diode is arranged in each case with a large-area light-emitting surface or to achieve a light-emitting diode, and with contact strips for a certain luminosity, the reflector-scattering electrical connection of the light-emitting diodes is preferably marked majTx-like according to FIGS that the substrate (7) is arranged side by side. The reflector strip made of plastic is flexible. that the reflectors (1) as F i g. 1 has only four reflector cup-shaped formations in sheet metal strips aus- ren 1, while in practice they are generally essential, each sheet metal strip at the same time lending more reflectors in a reflector strip for electrical contacting of the one band. The light-emitting diodes 2 are arranged according to the electrode of the light-emitting diodes arranged thereon ts Fig. Ib at the bottom of the reflectors I. are formed are according to FIG. 1 connected by webs 3 to two reflector strips and parallel to this edge. The reflector strips are run arranged vorflektorstreifen and jevveili- preferably from one piece of material, for example gene other electrodes of the light-emitting diodes via inlet io by stamping and forming, prepared as the material lines (6 / therewith. Contact strip (4) connectedness for the reflectors and so that the reflector is also used so that the strip with a contact strip (4) is suitable, for example, aluminum,
connected light-emitting diodes electrically in parallel. 2, the reflectors 1 are switched, and that the individual reflectors (1) are arranged like a matrix to be arranged that are. whereby according to the; F i g. 3 and 5 also have a matrix 2. Mehrfach-Leuchtdiodenanordnung nach An- artige Anordnung erzielt wird. Diese matrixartige Anspruch 1, dadurch gekennzeichnet, daß auf die Re- Ordnung dient als Träger für die Leuchtdioden, die in Rektoren sowie auf die in den Reflektoren befindli- 30 den Reflektoren der Matrix angeordnet werden.2. Multiple light-emitting diode arrangement is achieved according to the similar arrangement. This matrix-like claim 1, characterized in that the Re-order serves as a carrier for the light-emitting diodes in Rectors as well as on the 30 located in the reflectors the reflectors of the matrix are arranged. chen LeuchffUoden eine Abdeckung aufgebracht ist Es empfiehlt sich, relativ lange Reflektorstreifen her-If a cover is attached to the lamp, it is advisable to use relatively long reflective strips. 3. Mehrfach-Leuchtdiodenanordnung nach An- zustellen und diese dann auf die erforderliche Länge Spruch 2, dadurch gekennzeichnet, daß die Abdek- zuzuschneiden. Zur Kontaktierung der Leuchtdioden 3 kungen linsenförmig ausgebildet sind. sind bei den Anordnungen der F i g. 3 und 5 zwischen3. Multiple light-emitting diode arrangement after adjusting and then to the required length Claim 2, characterized in that the cover is cut to size. For contacting the LEDs 3 kungen are lens-shaped. are in the arrangements of FIG. 3 and 5 between 35 den Reflektorstreifen Kontaktstreifen 4 angeordnet35 the reflector strip contact strips 4 arranged Beim Ausführungsbeispiel der F i g. 3 und 5 weisen dieIn the embodiment of FIG. 3 and 5 indicate the Kontaktstreifen 4 Erweiterungsflächen 5 als Kontaktflächen auf. Die Kontaktierung der Leuchtdioden 1 er-Contact strips 4 expansion areas 5 as contact areas. The contacting of the light emitting diodes 1 Die Erfindung betrifft eine Mehrfach-Leuchtdioden- folgt durch Zuleitungsdrähte 6, die zwischen den Elek-The invention relates to a multiple light-emitting diode followed by lead wires 6, which between the elec- anordnung mit einem Substrat aus Kunststoff, auf dem aq troden der Leuchtdioden 2 und den Kontaktflächen 5arrangement with a substrate made of plastic, on which aq The light-emitting diodes 2 and the contact surfaces 5 trode metallische, streifen- oder matrixförmig angeordnete verlaufen. Die Zuleitungsdrähte 6 werden beispielswei-metallic, strip-like or matrix-like arranged run. The lead wires 6 are for example Reflektoren und in jedem der Reflektoren jeweils eine se durch Bonden befestigtReflectors and in each of the reflectors one se attached by bonding Leuchtdiode angeordnet sind, und mit Kontaktstreifen Wie die F i g. 4 zeigt, werden die ReflektorstreifenLight-emitting diode are arranged, and with contact strips As the F i g. 4 shows the reflector strips zur elektrischen Verbindung der Leuchtdioden. sowie auch die Kontaktstreifen 4 vorzugsweise auf einefor the electrical connection of the light emitting diodes. as well as the contact strips 4 preferably on one Eine derartige Leuchtdiodenanordnung ist aus der 45 Unterlage 7 aufgebracht Die Unterlage 7 sollte mög-Such a light-emitting diode arrangement is applied from the base 7. The base 7 should be possible DE-OS 29 41 634 bekannt Bei der bekannten Leucht- liehst flexibel ausgebildet sein, damit die Mehrfach-DE-OS 29 41 634 known In the known luminous lent be flexible so that the multiple diodenanordnung sind eine größere Anzahl farbiger Leuchtdiodenanordnung auch gewölbten Gegenstän-Diode arrangements are a larger number of colored light-emitting diode arrangements, including curved objects. Leuchtdioden auf einem starren, in seiner Grundfläche den wie z. B. Kotflügeln angepaßt werden kann. SindLight-emitting diodes on a rigid, in its base the such. B. fenders can be adjusted. Are ebenen Substrat angeordnet Die Anordnung dient ins- mehrere Reflektoi streifen matrixartig zusammenge-arranged on a flat substrate The arrangement is used to combine several reflective strips besondere als Anzeigeeinrichtung in Verkehrsampeln. 50 faßt, wie dies beispielsweise bei der F i g. 5 der Fall ist, soespecially as a display device in traffic lights. 50 summarizes, as is the case, for example, in FIG. 5 is the case so Der Erfindung liegt die Aufgabe zugrunde, die be- erhalten die Reflektorstreifen gemäß der F i 5.5 vorkannte Mehrfach-Leuchtdiodenanordnung derart zu zugsweise eine gemeinsame Unterlage der Trägerkörmodifizieren, daß sie sich für die Verwendung in Kraft- per 7, der ebenfalls eine bestimmte Flexibilität aufweifahrzeugen eignet; dazu soll die Leuchtdiodenanord- sen sollte. Die Unterlage 7 besteht sowohl bei den einnung ohne weiteres der jeweiligen Unterlage, insbeson- 55 zelnen Reflektorstreifen als auch bei der matrixartigen dere einer gewölbten Unterlage, z. B. einem Kotflügel, Anordnung vorzugsweise aus einem Kunststoff,
angepaßt werden können und die in den Leuchtdioden Wie die F i g. 4 zeigt, werden die Leuchtdioden auf entstehende Wärme gut abgeleitet werden, damit die der Oberseite der Anordnung vorzugsweise abgedeckt Leuchtdioden bei großer Leuchtdichte betrieben wer- Die Abdeckung 8, die im Bereich der Leuchtdioden bzw. den können. Außerdem soll die Zuverlässigkeit der 60 der Reflektoren zur Erhöhung der Lichtwirkung des Leuchtdiodenanordnung verbessert werden. Diese Auf- abgestrahlten Lichtes vorzugsweise linsenförmig ausgegabe wird bei einer Mehrfach-Leuchtdiodenanordnung bildet ist, ist lichtdurchlässig.The invention is based on the object of modifying the multiple light-emitting diode arrangement, which is given the reflector strips according to FIG. 5.5, to preferably a common base of the carrier bodies in such a way that they are suitable for use in vehicles which also have a certain flexibility ; for this purpose, the light-emitting diode arrangements should. The base 7 exists both in the case of the arrangement of the respective base, in particular individual reflector strips, and in the matrix-like type of a curved base, e.g. B. a fender, arrangement preferably made of a plastic,
can be adapted and in the light emitting diodes As the F i g. 4 shows, the light-emitting diodes are well dissipated to the resulting heat, so that the light-emitting diodes preferably covered on the top side of the arrangement can be operated at high luminance. In addition, the reliability of the 60 reflectors to increase the lighting effect of the light-emitting diode arrangement is to be improved. This radiated light, preferably lenticularly output, is formed in the case of a multiple light-emitting diode arrangement, is translucent. der eingangs erwähnten Art durch die kennzeichnenden of the type mentioned at the beginning by the characteristic Merkmale des Anspruchs 1 gelöst. Hierzu 3 Blatt ZeichnungenFeatures of claim 1 solved. For this purpose 3 sheets of drawings Zweckmäßige Weiterbildungen der Erfindung sind in 65 Expedient developments of the invention are shown in FIG. 65 den Unteransprüchen angegeben.specified in the subclaims. Die Erfindung wird im folgenden an Ausführungsbeisoielen erläutertThe invention is illustrated below by means of exemplary embodiments explained
DE3148843A 1981-12-10 1981-12-10 Multiple light emitting diode arrangement Expired DE3148843C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3148843A DE3148843C2 (en) 1981-12-10 1981-12-10 Multiple light emitting diode arrangement
FR8220789A FR2518317B1 (en) 1981-12-10 1982-12-10 LIGHT EMITTING DIODES PLAN ARRAY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3148843A DE3148843C2 (en) 1981-12-10 1981-12-10 Multiple light emitting diode arrangement

Publications (2)

Publication Number Publication Date
DE3148843A1 DE3148843A1 (en) 1983-06-23
DE3148843C2 true DE3148843C2 (en) 1986-01-02

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DE3148843A Expired DE3148843C2 (en) 1981-12-10 1981-12-10 Multiple light emitting diode arrangement

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DE (1) DE3148843C2 (en)
FR (1) FR2518317B1 (en)

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DE3148843A1 (en) 1983-06-23
FR2518317B1 (en) 1986-09-19
FR2518317A1 (en) 1983-06-17

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