DE102012007727A1 - Solid-state LED lamp assembly used in street lighting, has crossbar that is projected beyond side face of respective solid state LED and is partially connected with side face of solid state LED - Google Patents
Solid-state LED lamp assembly used in street lighting, has crossbar that is projected beyond side face of respective solid state LED and is partially connected with side face of solid state LED Download PDFInfo
- Publication number
- DE102012007727A1 DE102012007727A1 DE201210007727 DE102012007727A DE102012007727A1 DE 102012007727 A1 DE102012007727 A1 DE 102012007727A1 DE 201210007727 DE201210007727 DE 201210007727 DE 102012007727 A DE102012007727 A DE 102012007727A DE 102012007727 A1 DE102012007727 A1 DE 102012007727A1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
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Abstract
Description
Einleitungintroduction
Hier wird eine Festkörper-Leuchtmittelanordnung sowie eine Vorrichtung ein und Verfahren zu deren Herstellung offenbart.Here, a solid-state lighting device and a device and a method for their production is disclosed.
Hintergrundbackground
Unter Festkörper-Leuchtmittelanordnungen sind hier Leuchtmittelanordnungen mit Leuchtdioden (LEDs oder „LED-Chips”), Laserdioden, oder dergl., aus Halbleitermaterial verstanden. Derartige Leuchtmittelanordnungen haben gegenüber herkömmlichen Glühlampen oder Gasentladungslampen eine längere Lebensdauer, geringeren Energieverbrauch, höhere Flexibilität, sowie einen geringeren Entsorgungs- und Wartungsaufwand. Solche Festkörper-Leuchtmittelanordnungen sind sowohl im Bereich der Außen- und Straßenbeleuchtung als auch zur Innenbeleuchtung einzusetzen.Solid-state illuminant arrangements here are understood to mean illuminant arrangements with light-emitting diodes (LEDs or "LED chips"), laser diodes, or the like, made of semiconductor material. Such lamp assemblies have over conventional incandescent or gas discharge lamps a longer life, lower energy consumption, higher flexibility, and a lower disposal and maintenance costs. Such solid-state lamp assemblies are to be used both in the field of exterior and street lighting as well as for interior lighting.
Stand der TechnikState of the art
Die
Aus der
Die
Weiterer technologischer Hintergrund ist der
Heutige Leuchtdioden sind durch einen Halbleiterchip gebildet, der eine freie Lichtabstrahl-(ober-)seite hat. Auf diese Lichtabstrahlseite, welche gleichzeitig einen Anodenpol bildet, ist ein Bonddraht mit etwa 0,1 mm Durchmesser gebondet. Dieser Bonddraht reicht von einer seitlich zum Halbleiterchip befindlichen Stromzuführung zum Zentrum der Lichtabstrahlseite. Daher wird ein nennenswerter Teil des von der Lichtabstrahlseite austretenden Lichts durch den Bonddraht abgeschattet. Außerdem ist die Bondstelle durch den Bondprozess noch größer als der Durchmesser des Bonddrahts. Auch dies reduziert die Lichtausbeute aus dem Halbleiterchip.Today's LEDs are formed by a semiconductor chip having a clear Lichtabstrahl- (top) side. On this light emission side, which simultaneously forms an anode pole, a bonding wire with about 0.1 mm diameter is bonded. This bonding wire extends from a power supply to the side of the semiconductor chip to the center of the light emission side. Therefore, a significant part of the light emerging from the light emitting side is shaded by the bonding wire. In addition, the Bonding site by the bonding process even larger than the diameter of the bonding wire. This also reduces the light output from the semiconductor chip.
Eine bonddrahtfreie Kontaktierung ist bei der Verwendung von sog. Flip-Chip-Bauteilen bekannt. Hier befinden sich die elektrischen Anschlüsse sowohl für die Anode als auch für die Kathode des Halbleiterchips auf der von der Lichtabstrahlseite abgewandten (Unter-)Seite. Eine Kontaktierung über die Lichtabstrahlseite entfällt bei dieser Bauform ganz. Diese Variante ist aber aufwendig in der Verdrahtung; außerdem sind die dafür verfügbaren Halbleiterchips nicht in gleicher Bauvielfalt und mit vergleichbaren Bauteildaten verfügbar, wie herkömmliche Leuchtdioden, bei denen ein Kontakt an der Lichtabstrahlseite und ein zweiter Kontakt an der Unterseite hergestellt wird.A bonding wire-free contact is known in the use of so-called. Flip-chip components. Here are the electrical connections for both the anode and for the cathode of the semiconductor chip on the side remote from the Lichtabstrahlseite (bottom) side. Contacting via the light emission side is completely eliminated in this design. This variant is complicated in the wiring; In addition, the semiconductor chips available for this purpose are not available in the same variety of construction and with comparable component data as conventional light-emitting diodes in which a contact on the light emission side and a second contact on the underside is produced.
Die zunehmende Miniaturisierung der Bauform der LED-Chips in allen drei Dimensionen erfordert neue Herangehensweisen an die Handhabung und Verschaltung der LED-Chips. Insbesondere die kostengünstige und effiziente Herstellung flächiger Festkörper-Leuchtmittelanordnungen (sog. „LED-Leuchten”) mit ausreichender Leuchtkraft zur Beleuchtung von Büro- und Industrieräumen ist ein Problem. Dabei wird z. B. eine Leuchtfläche von 60 × 60 cm2 angestrebt, in dem eine Vielzahl von miniaturisierten Lichtpunkten in einer Fläche angeordnet wird.The increasing miniaturization of the design of the LED chips in all three dimensions requires new approaches to the handling and interconnection of the LED chips. In particular, the cost-effective and efficient production of planar solid-state illuminant arrangements (so-called "LED luminaires") with sufficient luminosity for illuminating office and industrial areas is a problem. This z. B. a luminous area of 60 × 60 cm 2 sought, in which a plurality of miniaturized light spots in a surface is arranged.
Zugrundeliegendes ProblemUnderlying problem
Die Aufgabe besteht darin, eine hochleistungsfähige LED-Flächenlichtquelle zu schaffen, bei der viele LEDs mit kleinen Flächenabmessungen in einem Raster angeordnet werden.The object is to provide a high-performance LED surface light source, in which many LEDs are arranged with small area dimensions in a grid.
Vorgeschlagene LösungSuggested solution
Hierzu wird gemäß Anspruch 1 angegeben eine Festkörper-Leuchtmittelanordnung mit einem Substrat, einer Mehrzahl Festkörper-Leuchtmittel, und einem Kontaktgitter, wobei jedes der Mehrzahl Festkörper-Leuchtmittel eine erste Seitenfläche hat, die zumindest teilweise als elektrischer Kontakt und zumindest teilweise als Lichtaustritt wirkt, und wobei das Kontaktgitter eine elektrisch leitende Schicht hat, die mit der ersten Seitenfläche in elektrischem Kontakt steht, und Öffnungen hat, die so groß wie oder größer sind, als die erste Seitenfläche des jeweiligen Festkörper-Leuchtmittels, wobei jede der Öffnungen mit der ersten Seitenfläche des jeweiligen Festkörper-Leuchtmittels fluchtet, und wenigstens einen vom Rand jeder Öffnung in die jeweilige Öffnung hineinragenden Steg hat, der über die erste Seitenfläche des jeweiligen Festkörper-Leuchtmittels ragt und, dieser Steg mit dieser ersten Seitenfläche zumindest teilweise elektrisch und mechanisch verbunden ist.For this purpose, a solid-state lamp arrangement with a substrate, a plurality of solid state bulbs, and a contact grid, wherein each of the plurality of solid-state light-emitting means has a first side surface which acts at least partially as an electrical contact and at least partially as a light exit, and wherein the contact grid has an electrically conductive layer in electrical contact with the first side surface and has openings as large as or larger than the first side surface of the respective solid state light source, each of the openings being in contact with the first side surface of the solid state light source respective solid-state illuminant is aligned, and at least one projecting from the edge of each opening in the respective opening web has, which projects beyond the first side surface of the respective solid-state light-emitting and this web is at least partially electrically and mechanically connected to this first side surface.
Vorteile und weitere AusgestaltungenAdvantages and further developments
Die im Stand der Technik verwendeten Kontaktierungsvarianten sind nicht optimal. Demgegenüber wird bei der hier vorgeschlagenen Lösung die Lichtaustrittsseite mit – im Verhältnis zur Lichtaustrittsfläche – sehr dünnen elektrisch leitenden Stegen verbunden. Die sehr dünnen Strukturen der leitenden Stege überdecken einen deutlich geringeren Teil der Vorderfläche des Festkörper-Leuchtmittels (LED) als herkömmlicher Bonddraht und Bondfleck; so erhöht sich die effektive Leuchtfläche nennenswert. Unter einem „sehr dünnen elektrisch leitenden Steg” sei hier ein Steg mit einer Breite von zum Beispiel etwa 10–50 μm verstanden, der ein Festkörper-Leuchtmittel mit einer Kantenlänge von etwa 30–300 μm kontaktiert. Die genannte Stegbreite von etwa 10–50 μm kontrastiert zu dem herkömmlichen Bonddraht mit etwa 100 μm Durchmesser.The contacting variants used in the prior art are not optimal. In contrast, in the solution proposed here, the light exit side with - in relation to the light exit surface - very thin electrically conductive webs connected. The very thin structures of the conductive webs cover a significantly smaller part of the front surface of the solid-state light-emitting device (LED) than conventional bonding wire and bonding pad; This significantly increases the effective luminous area. By a "very thin electrically conductive web" is here a web having a width of, for example, about 10-50 microns understood that contacts a solid-state light source with an edge length of about 30-300 microns. The mentioned web width of approximately 10-50 μm contrasts with the conventional bonding wire with approximately 100 μm diameter.
Das Festkörper-Leuchtmittel kann eine von der Lichtaustrittsfläche abgewandte zweite Seitenfläche haben, die zumindest teilweise als elektrischer und/oder mechanischer Kontakt mit dem Substrat wirkt.The solid-state light-emitting means may have a second side surface facing away from the light exit surface, which acts at least partially as electrical and / or mechanical contact with the substrate.
Die erste Seitenfläche kann mit dem in die jeweilige Öffnung hineinragenden Steg mit einem Verbindungsmittel elektrisch und mechanisch verbunden sein.The first side surface may be electrically and mechanically connected to the web projecting into the respective opening with a connecting means.
Das Verbindungsmittel kann ein elektrisch leitender oder elektrisch nicht-leitender Klebstoff, ein elektrisch leitendes Lot, oder ein elektrisch leitendes Elastomer sein. Wenn ein elektrisch nicht-leitender, vorzugsweise transparenter Klebstoff verwendet wird, kann in Druckkontaktierung erfolgen, welche eine elektrisch leitfähige Verbindung von Lichtaustrittsfläche und elektrisch leitendem Steg schafft.The connecting means may be an electrically conductive or electrically non-conductive adhesive, an electrically conductive solder, or an electrically conductive elastomer. If an electrically nonconductive, preferably transparent adhesive is used, can be done in pressure contact, which creates an electrically conductive connection of the light exit surface and electrically conductive web.
Der Rand jeder Öffnung des Kontaktgitters kann mehrere Randabschnitte haben, wobei ein in die jeweilige Öffnung hineinragender Steg mit einem ersten Randabschnitt und einem zweiten Randabschnitt elektrisch und mechanisch verbunden ist. Hierdurch ist jeder Steg bei der Verarbeitung und auch später im Gebrauch stabiler mit dem Kontaktgitter verbunden. Dies erleichtert die Handhabung und die Standfestigkeit der Gesamtanordnung.The edge of each opening of the contact grid may have a plurality of edge portions, wherein a protruding into the respective opening web is electrically and mechanically connected to a first edge portion and a second edge portion. As a result, each bridge during processing and also later in use more stable connected to the contact grid. This facilitates the handling and the stability of the overall arrangement.
Zusätzlich können zur weiteren Erhöhung der Stabilität mehrere in die jeweilige Öffnung hineinragende Stege einander kreuzen, zum Beispiel oder nahe dem Zentrum der Öffnung. Mit der hier beschriebenen Technik ist es möglich, LEDs herkömmlicher Bauform, bei denen die Kontaktierung sowohl über die Vorder- als auch über die Rückseite erfolgt, bonddrahtfrei auf der Vorderseite zu kontaktieren. Damit können die LEDs ohne Bondpad konfiguriert werden, was die effektive Leuchtfläche und somit die Gesamteffektivität der LED erhöht.In addition, to further increase the stability, a plurality of webs projecting into the respective opening may intersect one another, for example, or near the center of the opening. With the technique described here, it is possible to contact LEDs of conventional design, in which the contacting takes place via both the front and the back, bond wire-free on the front. This allows the LEDs to be configured without a bondpad which increases the effective luminous area and thus the overall efficiency of the LED.
Die für die Vorderseitenkontaktierung eingesetzte Folie dient neben der Kontaktierung auch dem Schutz des Halbleiterchips gegen negative mechanische und Umwelt-(Klima-)Einflüsse. So kann in vielen Anwendungen auf gehauste LEDs und verzichtet werden. Die Halbleiterchips können direkt auf das von der Folienbahn getragene Kontaktgitter aufgebracht (zum Beispiel geklebt und gedrückt) werden. Dies ist eine sehr kostengünstige und die Halbleiterchips kaum belastende Herstellungsweise. Darüber hinaus können eine Vielzahl von Halbleiterchips gleichzeitig mit der Folienbahn und dem Kontaktgitter verbunden werden, so dass sich auch die Herstellungszeit großflächiger Festkörper-Leuchtmittelanordnungen in annehmbaren Grenzen hält.The foil used for the front contact serves in addition to the contact also the protection of the semiconductor chip against negative mechanical and environmental (climate) influences. In many applications, for example, the use of hopped LEDs can be dispensed with. The semiconductor chips can be applied directly to the contact grid carried by the film web (for example glued and pressed). This is a very inexpensive and the semiconductor chips hardly stressful production. In addition, a plurality of semiconductor chips can be connected simultaneously with the film web and the contact grid, so that also keeps the production time of large-area solid state lamp assemblies within acceptable limits.
Das Kontaktgitter kann von einer thermoplastischen Folienbahn getragen sein, auf deren der Mehrzahl Festkörper-Leuchtmittel zugewandten Seite eine Metallschicht mit einer Dicke von 100 nm bis 10 μm vorgesehen ist. Bei der Folienbahn kann es sich um eine optisch transparente Trägerfolie handeln.The contact grid may be supported by a thermoplastic film web, on whose side facing the plurality of solid-state light-emitting means a metal layer having a thickness of 100 nm to 10 μm is provided. The film web may be an optically transparent carrier film.
Das Kontaktgitter kann dabei auf der thermoplastischen Folienbahn durch additive oder durch subtraktive Verfahren aufgebracht sein. Bei einem additiven Verfahren wird für das Kontaktgitter eine (Start-)Metallschicht mit der gewünschten Gitterstruktur abgeschieden, aufgedampft oder z. B. aufgesputtert. Falls die Stromtragfähigkeit der (Start-)Metallschicht nicht ausreicht, kann zusätzlich eine Verstärkungslage z. B. aufgalvanisiert werden.The contact grid can be applied to the thermoplastic film web by additive or subtractive methods. In an additive method, a (starting) metal layer with the desired lattice structure is deposited, vapor-deposited or z. B. sputtered. If the current carrying capacity of the (start) metal layer is not sufficient, in addition a reinforcing layer z. B. galvanized.
Bei einem subtraktiven Verfahren wird für das Kontaktgitter eine flächig durchgehende (Start-)Metallschicht aufgebracht. Hieraus wird dann das Kontaktgitter mit der gewünschten Gitterstruktur durch Ätzen, Laser, oder dergl. abgetragen. Falls die Stromtragfähigkeit des so erhaltenen Kontaktgitters nicht ausreicht, kann zusätzlich eine Verstärkungslage z. B. aufgalvanisiert werden.In a subtractive method, a flat continuous (starting) metal layer is applied to the contact grid. From this, the contact grid with the desired lattice structure is then removed by etching, laser, or the like. If the current carrying capacity of the contact grid thus obtained is not sufficient, in addition a reinforcing layer z. B. galvanized.
Zur Herstellung des Kontaktgitters können in die Folienbahn auch Öffnungen durch Stanzen oder durch Laserschneiden eingebracht sein, die eine an die Gestalt der Festkörper-Leuchtmittel angepasste Dimensionierung haben.To produce the contact grid, apertures may also be introduced into the film web by punching or by laser cutting, which have a dimensioning adapted to the shape of the solid-state light-emitting means.
Das Substrat kann eine starre Platine oder eine flexible Folienbahn haben, auf deren der Mehrzahl Festkörper-Leuchtmittel zugewandten Seite eine Kontaktierungsstruktur aus elektrischen Leiterbahnen angeordnet ist.The substrate may have a rigid printed circuit board or a flexible film web, on whose side facing the plurality of solid-state light-emitting means a contacting structure of electrical conductor tracks is arranged.
Des Weiteren wird vorgeschlagen eine Vorrichtung zur Herstellung einer Festkörper-Leuchtmittelanordnung mit einer Zuführeinrichtung für eine Folienbahn, die eine zumindest abschnittsweise elektrisch leitenden Schicht hat, einer Strukturiereinrichtung, um die Metallschicht mit Öffnungen zu versehen, welche wenigstens einen vom Rand jeder Öffnung in die jeweilige Öffnung hineinragenden Steg haben, einer Zuführeinrichtung für ein Verbindungsmittel, um auf die elektrisch leitende Schicht der Folienbahn im Bereich der in die jeweilige Öffnung hineinragenden Stege eine Portion Verbindungsmittel aufzubringen, einer Zuführeinrichtung für Festkörper-Leuchtmittel, um diese mit einer ersten Seitenfläche fluchtend zu einer jeweiligen Öffnung auf den wenigstens einen vom Rand jeder Öffnung in die jeweilige Öffnung hineinragenden Steg zu platzieren, und einer Verbindungseinrichtung, um eine elektrische und/oder mechanische Verbindung zwischen der ersten Seitenfläche jedes Festkörper-Leuchtmittels und jedem vom Rand jeder Öffnung in die jeweilige Öffnung hineinragenden Steg herzustellen.Furthermore, a device is proposed for producing a solid state lamp arrangement with a feed device for a film web which has an at least partially electrically conductive layer, a structuring device for providing the metal layer with openings which at least one from the edge of each opening into the respective opening projecting web have, a feeding means for a connecting means to apply to the electrically conductive layer of the film web in the region of the projecting into the respective webs a portion of connecting means, a feeding device for solid-state lighting means to these with a first side surface in alignment with a respective opening to place on the at least one web projecting from the edge of each opening into the respective opening, and a connecting means to an electrical and / or mechanical connection between the first side surface of each Festkörpe R bulb and each from the edge of each opening projecting into the respective opening web.
Dabei kann auch eine Zuführeinrichtung für ein Substrat vorgesehen sein, auf dessen der Mehrzahl Festkörper-Leuchtmittel zugewandten Seite eine Kontaktierungsstruktur angeordnet ist, eine Zuführeinrichtung für ein Verbindungsmittel, um auf die Kontaktierungsstruktur des Substrats oder auf eine zweite, der ersten Seitenfläche abgewandte Seitenfläche jedes Festkörper-Leuchtmittels eine Portion Verbindungsmittel aufzubringen, und eine Verbindungseinrichtung, um eine elektrische und/oder mechanische Verbindung zwischen der zweiten Seitenfläche jedes Festkörper-Leuchtmittels und der Kontaktierungsstruktur des Substrats herzustellen.In this case, it is also possible to provide a feed device for a substrate, on the side of which a contacting structure is arranged on the plurality of solid-state light-emitting means, a connection means for applying to the contacting structure of the substrate or to a second side surface of each solid surface facing away from the first side surface. Illuminant to apply a portion of connecting means, and a connecting means for establishing an electrical and / or mechanical connection between the second side surface of each solid-state light-emitting device and the contacting structure of the substrate.
Die Zuführeinrichtung für ein Verbindungsmittel kann ein Klebstoffspender für elektrisch nicht leitenden Klebstoff, elektrisch leitenden Klebstoff, elektrisch leitendes Lot, oder elektrisch leitendes Elastomer sein.The connector for a connection means may be an adhesive for electrically non-conductive adhesive, electrically conductive adhesive, electrically conductive solder, or electrically conductive elastomer.
Die Verbindungseinrichtung kann eine Presseinrichtung zum Beispiel in Form einer Walzenpresse mit gegenläufigen, ggf. auch beheizten Walzen sein, um eine klebende Verbindung zwischen der zweiten Seitenfläche jedes Festkörper-Leuchtmittels und der Kontaktierungsstruktur des Substrats herzustellen und eine elektrische Verbindung durch die Kontakt zwischen der zweiten Seitenfläche jedes Festkörper-Leuchtmittels und der Kontaktierungsstruktur des Substrats herzustellen.The connecting device may be a pressing device, for example in the form of a roller press with opposing, possibly also heated rollers to produce an adhesive connection between the second side surface of each solid-state light-emitting device and the contacting structure of the substrate and an electrical connection through the contact between the second side surface each solid-state light-emitting device and the contacting structure of the substrate produce.
Ein Verfahren zur Herstellung einer Festkörper-Leuchtmittelanordnung kann die folgenden Schritte haben: Zuführen einer Folienbahn, die in einer Variante eine transparente Kunststoffbahn und eine Metallschicht hat und in einer anderen Variante eine transparente Kunststoffbahn hat, auf die zumindest abschnittsweise eine elektrisch leitende Schicht aufzubringen ist, Strukturieren der elektrisch leitenden Schicht, um die Folienbahn bzw. die Metallschicht mit Öffnungen zu versehen, welche wenigstens einen vom Rand jeder Öffnung in die jeweilige Öffnung hineinragenden elektrisch leitenden Steg haben, Zuführen eines Verbindungsmittels, um auf die elektrisch leitende Schicht der Folienbahn im Bereich der in die jeweilige Öffnung hineinragenden Stege, um eine Portion Verbindungsmittel aufzubringen, Zuführen von Festkörper-Leuchtmittel, um diese mit einer ersten Seitenfläche fluchtend zu einer jeweiligen Öffnung auf den wenigstens einen vom Rand jeder Öffnung in die jeweilige Öffnung hineinragenden Steg zu platzieren, und Herstellen einer elektrischen und/oder mechanischen Verbindung zwischen der ersten Seitenfläche jedes Festkörper-Leuchtmittels und jedem vom Rand jeder Öffnung in die jeweilige Öffnung hineinragenden Steg.A method for producing a solid state lamp arrangement may have the following steps: feeding a film web which in one variant has a transparent plastic web and a metal layer and in another variant has a transparent plastic web onto which an electrically conductive layer is to be applied at least in sections; Structuring the electric conductive layer for providing the film web or the metal layer with openings which have at least one electrically conductive web projecting from the edge of each opening into the respective opening, supplying a bonding agent to be applied to the electrically conductive layer of the film web in the area in the respective Opening projecting webs to apply a portion of connecting means, supplying solid-state lighting means to place them with a first side surface in alignment with a respective opening on the at least one projecting from the edge of each opening in the respective opening web, and producing an electrical and / or mechanical connection between the first side surface of each solid-state light source and each protruding from the edge of each opening in the respective opening web.
Des Weiteren kann ein Zuführen eines Substrats vorgesehen sein, auf dessen der Mehrzahl der Festkörper-Leuchtmittel zugewandten Seite eine Kontaktierungsstruktur angeordnet ist, sowie ein Zuführen eines Verbindungsmittels, um auf die Kontaktierungsstruktur des Substrats oder auf eine zweite, der ersten Seitenfläche abgewandte Seitenfläche jedes Festkörper-Leuchtmittels, um eine Portion Verbindungsmittel aufzubringen, und Herstellen einer elektrischen und/oder mechanischen Verbindung zwischen der zweiten Seitenfläche jedes Festkörper-Leuchtmittels und der Kontaktierungsstruktur des Substrats.Furthermore, supplying a substrate may be provided, on the plurality of the solid-state lamp side facing a contacting structure is arranged, as well as supplying a connecting means to the contacting structure of the substrate or on a second, the first side surface facing away from side of each solid state Illuminating means for applying a portion of connecting means, and establishing an electrical and / or mechanical connection between the second side surface of each solid-state light-emitting means and the contacting structure of the substrate.
Das Zuführen des Verbindungsmittels kann einen elektrisch nicht leitenden Klebstoff umfassen. Ein Pressen kann erfolgen, um eine klebende Verbindung zwischen der zweiten Seitenfläche jedes Festkörper-Leuchtmittels und der Kontaktierungsstruktur des Substrats herzustellen und um eine elektrische Verbindung durch den Kontakt zwischen der zweiten Seitenfläche jedes Festkörper-Leuchtmittels und der Kontaktierungsstruktur des Substrats herzustellen.The feeding of the connecting means may comprise an electrically non-conductive adhesive. Pressing may be done to form an adhesive bond between the second side surface of each solid state light source and the contacting structure of the substrate and to make electrical connection through the contact between the second side surface of each solid state light source and the contacting structure of the substrate.
Zuerst können die Festkörper-Leuchtmittel mit der mit den Öffnungen und den Stegen konturierten Folienbahn kontaktiert werden, und anschließend können die Festkörper-Leuchtmittel mit dem Substrat verbunden werden.First, the solid-state light-emitting means can be contacted with the film web contoured with the openings and the webs, and then the solid-state light-emitting means can be connected to the substrate.
Der elektrisch nicht leitende Klebstoff kann eine mechanische Verbindung der Festkörper-Leuchtmittel mit der mit den Öffnungen und den Stegen konturierten Folienbahn bewirken und das Pressen der Festkörper-Leuchtmittel an die Stege kann eine elektrische Verbindung bewirken, indem die Festkörper-Leuchtmittel die leitende Schicht der Folienbahn kontaktieren.The electrically non-conductive adhesive can cause a mechanical connection of the solid-state lighting means with the film web contoured with the openings and the webs and the pressing of the solid-state lighting means to the webs can cause an electrical connection by the solid-state lighting means, the conductive layer of the film web to contact.
Zur Verbindung der zuvor kontaktierten Festkörper-Leuchtmittel mit dem Substrat kann ein Verbindungsmittels, beispielsweise Silberleitkleber, auf die Unterseiten der Festkörper-Leuchtmittel und/oder auf die entsprechenden Stellen auf das Substrat aufgebracht werden. Anschließend kann eine dauerhafte Verbindung der Anordnung durch Laminieren oder bei entsprechender Verwendung thermisch härtender Verbindungsmittel durch bloßen Wärmeeintrag realisiert werden.For connecting the previously contacted solid state light source to the substrate, a bonding agent, such as silver conductive adhesive, can be applied to the undersides of the solid state light source and / or to the corresponding locations on the substrate. Subsequently, a permanent connection of the arrangement can be realized by laminating or by appropriate use of thermally curing bonding agent by mere heat input.
Kurze ZeichnungsbeschreibungShort description of the drawing
Weitere Eigenschaften, Merkmale, Vorteile und Anwendungsmöglichkeiten ergeben sich aus der nachfolgenden Beschreibung eines nicht einschränkend zu verstehenden Ausführungsbeispiels mit Bezug auf die Zeichnung einer Festkörper-Leuchtmittelanordnung in einer schematischen perspektivischen Seitenansicht. Dabei bilden alle beschriebenen und/oder bildlich dargestellten Merkmale für sich oder in beliebiger Kombination den hier offenbarten Gegenstand, auch unabhängig von ihrer Gruppierung in den Ansprüchen oder deren Rückbeziehungen. Die Abmessungen und Proportionen der gezeigten Komponenten sind hierbei nicht unbedingt maßstäblich; sie können bei zu implementierenden Ausführungsformen vom Veranschaulichten abweichen.Other features, features, advantages and applications will become apparent from the following description of a non-limiting embodiment to be understood with reference to the drawing of a solid-state lamp assembly in a schematic perspective side view. All described and / or illustrated features alone or in any combination form the subject matter disclosed herein, also independent of their grouping in the claims or their relationships. The dimensions and proportions of the components shown here are not necessarily to scale; they may differ from illustrated in embodiments to be implemented.
Detaillierte ZeichnungsbeschreibungDetailed description of the drawing
In den Fig. sind Varianten von Festkörper-Leuchtmittelanordnungen veranschaulicht. Dabei bezeichnen übereinstimmende Bezugszeichen gleiche oder gleichwirkenden Komponenten. Die hier vorgestellten Festkörper-Leuchtmittelanordnungen haben einen dreischichtigen Aufbau mit einem Substrat
Die Festkörper-Leuchtmittel LED haben eine von der Lichtaustrittsfläche
Die erste Seitenfläche
Der Rand
Das Kontaktgitter
Wie in
Die vorangehend beschriebenen Varianten der Festkörper-Leuchtmittelanordnung dienen lediglich dem besseren Verständnis der Struktur, der Funktionsweise und der Eigenschaften der Festkörper-Leuchtmittelanordnung; sie schränken die Offenbarung nicht etwa auf die Ausführungsbeispiele ein. Die Fig. sind teilweise schematisch, wobei wesentliche Eigenschaften und Effekte zum Teil deutlich vergrößert dargestellt sind, um die Funktionen, Wirkprinzipien, technischen Ausgestaltungen und Merkmale zu verdeutlichen. Dabei kann jede Funktionsweise, jedes Prinzip, jede technische Ausgestaltung und jedes Merkmal, welches/welche in den Fig. oder im Text offenbart ist/sind, mit allen Ansprüchen, jedem Merkmal im Text und in den anderen Fig., anderen Funktionsweisen, Prinzipien, technischen Ausgestaltungen und Merkmalen, die in dieser Offenbarung enthalten sind oder sich daraus ergeben, frei und beliebig kombiniert werden, so dass alle denkbaren Kombinationen der beschriebenen Festkörper-Leuchtmittelanordnung zuzuschreiben sind. Dabei sind auch Kombinationen zwischen allen einzelnen Ausführungen im Text, das heißt in jedem Abschnitt der Beschreibung, in den Ansprüchen und auch Kombinationen zwischen verschiedenen Varianten im Text, in den Ansprüchen und in den Fig. umfasst.The variants of the solid-state light-emitting device arrangement described above merely serve to better understand the structure, the mode of operation and the properties of the solid-state light-emitting device arrangement; they do not restrict the revelation to the exemplary embodiments. The figures are partially schematic, wherein essential properties and effects are shown partially enlarged significantly to illustrate the functions, principles of operation, technical features and features. In this case, every mode of operation, every principle, every technical embodiment and every feature which is / are disclosed in the figures or in the text, with all claims, every feature in the text and in the other figures, other modes of operation, principles, technical embodiments and features contained in or arising from this disclosure are combined freely and arbitrarily, so that all conceivable combinations of the described solid-state lamp assembly are attributed. In this case, combinations between all individual versions in the text, that is to say in every section of the description, in the claims and also combinations between different variants in the text, in the claims and in the figures.
Auch die Ansprüche limitieren nicht die Offenbarung und damit die Kombinationsmöglichkeiten aller aufgezeigten Merkmale untereinander. Alle offenbarten Merkmale sind explizit sowohl einzeln als auch in Kombination mit allen anderen Merkmalen hier offenbart.Also, the claims do not limit the disclosure and thus the combination options of all identified features with each other. All disclosed features are explicitly disclosed herein individually as well as in combination with all other features.
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102007008524 A1 [0003] DE 102007008524 A1 [0003]
- DE 102010001974 A1 [0004] DE 102010001974 A1 [0004]
- DE 102010001977 A1 [0004] DE 102010001977 A1 [0004]
- DE 102010012604 A1 [0005] DE 102010012604 A1 [0005]
- US 20090039376 A1 [0006] US 20090039376 A1 [0006]
- EP 2149918 A1 [0006] EP 2149918 A1 [0006]
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210007727 DE102012007727A1 (en) | 2012-04-18 | 2012-04-18 | Solid-state LED lamp assembly used in street lighting, has crossbar that is projected beyond side face of respective solid state LED and is partially connected with side face of solid state LED |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210007727 DE102012007727A1 (en) | 2012-04-18 | 2012-04-18 | Solid-state LED lamp assembly used in street lighting, has crossbar that is projected beyond side face of respective solid state LED and is partially connected with side face of solid state LED |
Publications (1)
Publication Number | Publication Date |
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DE102012007727A1 true DE102012007727A1 (en) | 2013-10-24 |
Family
ID=49289910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201210007727 Ceased DE102012007727A1 (en) | 2012-04-18 | 2012-04-18 | Solid-state LED lamp assembly used in street lighting, has crossbar that is projected beyond side face of respective solid state LED and is partially connected with side face of solid state LED |
Country Status (1)
Country | Link |
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DE (1) | DE102012007727A1 (en) |
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WO2015071454A1 (en) * | 2013-11-18 | 2015-05-21 | Emdedesign Gmbh | Lamp comprising at least one oled lighting means |
WO2016078683A1 (en) * | 2014-11-17 | 2016-05-26 | Emdedesign Gmbh | Luminaire comprising at least two oled illuminants |
DE102016109054A1 (en) * | 2016-05-17 | 2017-11-23 | Osram Opto Semiconductors Gmbh | Method for producing an optoelectronic lighting device and optoelectronic lighting device |
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DE102007008524A1 (en) | 2007-02-21 | 2008-08-28 | Osram Opto Semiconductors Gmbh | Radiation emitting chip with at least one semiconductor body |
US20090039376A1 (en) | 2004-08-06 | 2009-02-12 | Matsushita Electric Industrial Co., Ltd. | Light source, manufacturing method of light source, lighting apparatus, and display apparatus |
US20090114928A1 (en) * | 2005-10-21 | 2009-05-07 | Saint- Gobain Glass France | Lighting structure comprising at least one light-emitting diode, method for making same and uses thereof |
EP2149918A1 (en) | 2008-08-01 | 2010-02-03 | Cree, Inc. | Improved bond pad design for enhancing light extraction from LED chips |
DE102010001974A1 (en) | 2010-02-16 | 2011-08-18 | Osram Gesellschaft mit beschränkter Haftung, 81543 | Lamp and method for its production |
DE102010001977A1 (en) | 2010-02-16 | 2011-08-18 | Osram Gesellschaft mit beschränkter Haftung, 81543 | Lamp and method for its production |
DE102010012604A1 (en) | 2010-03-24 | 2011-09-29 | Osram Opto Semiconductors Gmbh | Semiconductor laser light source |
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US20090039376A1 (en) | 2004-08-06 | 2009-02-12 | Matsushita Electric Industrial Co., Ltd. | Light source, manufacturing method of light source, lighting apparatus, and display apparatus |
US20090114928A1 (en) * | 2005-10-21 | 2009-05-07 | Saint- Gobain Glass France | Lighting structure comprising at least one light-emitting diode, method for making same and uses thereof |
US20070290217A1 (en) * | 2006-06-16 | 2007-12-20 | Articulated Technologies, Llc | Solid state light sheet and bare die semiconductor circuits with series connected bare die circuit elements |
DE102007008524A1 (en) | 2007-02-21 | 2008-08-28 | Osram Opto Semiconductors Gmbh | Radiation emitting chip with at least one semiconductor body |
EP2149918A1 (en) | 2008-08-01 | 2010-02-03 | Cree, Inc. | Improved bond pad design for enhancing light extraction from LED chips |
DE102010001974A1 (en) | 2010-02-16 | 2011-08-18 | Osram Gesellschaft mit beschränkter Haftung, 81543 | Lamp and method for its production |
DE102010001977A1 (en) | 2010-02-16 | 2011-08-18 | Osram Gesellschaft mit beschränkter Haftung, 81543 | Lamp and method for its production |
DE102010012604A1 (en) | 2010-03-24 | 2011-09-29 | Osram Opto Semiconductors Gmbh | Semiconductor laser light source |
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WO2015071454A1 (en) * | 2013-11-18 | 2015-05-21 | Emdedesign Gmbh | Lamp comprising at least one oled lighting means |
US10054295B2 (en) | 2013-11-18 | 2018-08-21 | Emdedesign Gmbh | Lamp comprising at least one OLED lighting means |
WO2016078683A1 (en) * | 2014-11-17 | 2016-05-26 | Emdedesign Gmbh | Luminaire comprising at least two oled illuminants |
DE102016109054A1 (en) * | 2016-05-17 | 2017-11-23 | Osram Opto Semiconductors Gmbh | Method for producing an optoelectronic lighting device and optoelectronic lighting device |
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