DE102007041852A1 - High power LED module, has semicircular hollow portion extending into transparent carrier on side of LED and having evaporable cooling agent, and electrode structures provided in transparent carrier - Google Patents
High power LED module, has semicircular hollow portion extending into transparent carrier on side of LED and having evaporable cooling agent, and electrode structures provided in transparent carrier Download PDFInfo
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- DE102007041852A1 DE102007041852A1 DE102007041852A DE102007041852A DE102007041852A1 DE 102007041852 A1 DE102007041852 A1 DE 102007041852A1 DE 102007041852 A DE102007041852 A DE 102007041852A DE 102007041852 A DE102007041852 A DE 102007041852A DE 102007041852 A1 DE102007041852 A1 DE 102007041852A1
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- led module
- power led
- module according
- hollow body
- electrode structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/64—Heat extraction or cooling elements
- H01L33/648—Heat extraction or cooling elements the elements comprising fluids, e.g. heat-pipes
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
-
- 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
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- 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 with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
- H01L33/52—Encapsulations
- H01L33/56—Materials, e.g. epoxy or silicone resin
Abstract
Description
Die Erfindung betrifft ein Hochleistungs-LED Modul. Beim Betrieb von Hochleistungs-LEDs entsteht auf einem kleinen Raum eine beträchtliche Menge Wärme die zur vorschnellen Alterung oder Beschädigung anderer Komponenten führen kann.The The invention relates to a high power LED module. When operating from High-power LEDs create a considerable amount on a small space Heat the for premature aging or damage to other components to lead can.
Eine zu lösende Aufgabe besteht darin, ein Hochleistungs-LED Modul anzugeben, das eine effiziente Kühlung aufweist.A to be solved The task is to specify a high-power LED module that efficient cooling having.
Es wird ein Hochleistungs-LED Modul angegeben, das aus einem transparenten Träger besteht, auf dem Elektrodenstrukturen aufgebracht sind. Eine oder mehrere LEDs sind über diese Elektrodenstrukturen kontaktiert. Über dem transparenten Träger ist ein Hohlkörper angeordnet, der mittels eines verdampfbaren Kühlmittels die auf dem transparenten Träger aufgebrachten LEDs kühlt. Beim Betrieb der LEDs entsteht Wärme, wobei das Kühlmittel verdampft und in dem Hohlkörper wieder kondensiert.It is a high-power LED module specified, which consists of a transparent carrier exists, are applied to the electrode structures. One or several LEDs are over contacted these electrode structures. Above the transparent carrier is a hollow body arranged, which applied by means of a vaporizable coolant applied to the transparent support LEDs cools. When operating the LEDs, heat is generated the coolant evaporated and in the hollow body condensed again.
In einer bevorzugten Ausführungsform ist der Hohlkörper auf seiner Außenseite mit einem Kühlkörper versehen. Dieser Kühlkörper kann aus einer oder mehreren Kühlrippen bestehen, die an der Außenseite des Hohlkörpers angebracht sind. Die Wärmeabgabe innerhalb des Moduls erfolgt somit über die Gasphase, wobei die Aufnahme der Wärmenergie bei Verdampfung des Kühlmittels erfolgt. Die anschließende Energieabgabe findet bei Kondensation des Kühlmittels statt. Durch die Kühlung wird eine geringe LED-Chiptemperatur erreicht.In a preferred embodiment is the hollow body on its outside provided with a heat sink. This heat sink can from one or more cooling fins exist on the outside of the hollow body are attached. The heat output within the module thus takes place via the gas phase, wherein the Absorption of heat energy at evaporation of the coolant he follows. The subsequent Energy release takes place when the coolant condenses. By the cooling a low LED chip temperature is achieved.
Bevorzugt enthält das Kühlmittel Freone, die die Einstellung eines definierten Siedepunktes ermöglichen.Prefers contains the coolant Freons that allow the setting of a defined boiling point.
Bevorzugt liegt der Siedepunkt des Kühlmittels oberhalb der zulässigen Umgebungstemperatur des Moduls. Bei Betrieb des LED Moduls verdampft die Kühlflüssigkeit an der Oberfläche der LEDs, wobei die LEDs durch die Verdunstungskälte gekühlt werden. Die verdampfte Kühlflüssigkeit kondensiert anschließend an der Oberfläche des Hohlkörpers, der die Energie an die an der Außenseite angebrachten, vorzugsweise luftgekühlten Kühlrippen oder Kühlfinnen abgibt.Prefers is the boiling point of the coolant above the permissible Ambient temperature of the module. When operating the LED module evaporates the coolant on the surface of the LEDs, the LEDs being cooled by the evaporation cold. The evaporated coolant then condenses on the surface of the hollow body, the the energy to the outside attached, preferably air-cooled cooling fins or cooling fins emits.
In einer weiteren Ausführungsform weist der transparente Träger, auf dem die Elektrodenstrukturen und LEDs aufgebracht sind, bevorzugt einen Glasanteil auf.In a further embodiment the transparent support, on which the electrode structures and LEDs are applied, preferred a glass portion on.
Bevorzugt hat der Träger die Form einer runden Scheibe. Der Träger wird bevorzugt auf der Seite der LEDs von dem Hohlkörper überspannt. Dadurch können die LEDs durch das im Hohlkörper enthaltene Kühlmittel effizient gekühlt werden.Prefers has the carrier the shape of a round disc. The carrier is preferred on the Side of the LEDs spanned by the hollow body. Thereby can the LEDs through in the hollow body contained coolant efficiently cooled become.
Der Hohlkörper weist vorzugsweise eine elliptische oder paraboloide Form auf. Durch eine elliptische oder paraboloide Form des Hohlkörpers wird das Licht der LEDs effizient vorzugsweise an der Innenwand des Hohlkörpers reflektiert, wodurch der Hohlkörper gleichzeitig die Funktion eines Reflektors erfüllt.Of the hollow body preferably has an elliptical or paraboloidal shape. By an elliptical or paraboloidal shape of the hollow body becomes the light of the LEDs efficiently preferably reflected on the inner wall of the hollow body, whereby the hollow body simultaneously fulfills the function of a reflector.
In einer bevorzugten Ausführungsform ist ein Konverter auf der Seite des Trägers aufgebracht, die dem Kühlmittel zugewandt ist.In a preferred embodiment is a converter applied to the side of the carrier, which is the coolant is facing.
In einer weiteren Ausführungsform kann der Konverter auf der Seite des Trägers aufgebracht sein, die dem Kühlmittel abgewandt ist. Im Falle, dass der Konverter auf der dem Kühlmittel abgewandte Seite des transparenten Trägers angebracht ist, ist der Konverter besonders gut für die Erzeugung von beispielsweise Weißlicht durch Konversion geeignet. Durch Konversion können auch LEDs mit weiteren Farben, beispielsweise Grün erzeugt werden. Hierbei ist das Material des Konverters entsprechend der gewünschten Farbe anzupassen.In a further embodiment For example, the converter may be applied to the side of the carrier which the coolant turned away. In the case of the converter on the coolant the opposite side of the transparent support is attached, is the Converter especially good for the generation of, for example, white light by conversion suitable. By conversion can also LEDs with other colors, such as green are generated. Here is adjust the material of the converter according to the desired color.
In einer weiteren Ausführungsform sind mehrere LEDs entlang einer Kreislinie auf reflektierenden Elektrodenstrukturen angebracht. Der reflektierende ellipsoidische Hohlkörper fokussiert das Licht auf den Konverter, der vorzugsweise im Kreismittelpunkt angeordnet ist.In a further embodiment are several LEDs along a circular line on reflective electrode structures appropriate. The reflective ellipsoidal hollow body focuses the light on the converter, preferably in the center of the circle is arranged.
In einer bevorzugten Ausführungsform enthalten die Elektrodenstrukturen Indiumzinnoxid (engl. ITO) oder andere Materialien auf, die besondere Eigenschaften hinsichtlich ihrer Transparenz aufweisen. Indiumzinnoxid ist besonders gut als Elektrodenstruktur geeignet, da es halbleitend und transparent ist.In a preferred embodiment The electrode structures contain indium tin oxide (ITO) or other materials that have special properties regarding have their transparency. Indium tin oxide is particularly good as Electrode structure suitable because it is semiconducting and transparent.
In einer weiteren Ausführungsform können auch reflektierende Elektrodenstrukturen verwendet werden, die für eine zusätzliche Reflexion des von den LEDs emittierten Lichtes geeignet sind. Durch eine gerichtete Reflexion des emittierten Lichtes an der Innenseite des Hohlkörpers und eine Reflexion des Lichtes an den Elektrodenstrukturen kann das Licht in einer bevorzugten Ausführungsform durch einen Konverter geleitet werden, der an dem Träger angeordnet sein kann. Durch den Konverter kann das Licht abhängig von dem Material des Konverters vorzugsweise in ein Licht umgewandelt werden, dessen Wellenlänge innerhalb eines definierten Bereichs liegt.In a further embodiment can also Reflective electrode structures are used for an additional Reflection of the light emitted by the LEDs are suitable. By a directed reflection of the emitted light on the inside of the hollow body and a reflection of the light on the electrode structures can the light in a preferred embodiment by a converter be passed, which is arranged on the carrier can be. Due to the converter, the light can vary depending on the material of the converter is preferably converted into a light be whose wavelength within a defined range.
In einer bevorzugten Ausführungsform sind die LEDs mit ihrer Lichtemittierenden Seite in Richtung des Hohlkörpers ausgerichtet. Es ist aber auch möglich, dass die LEDs mit der Lichtemittierenden Seite in die vom Hohlkörper abgewandte Richtung auf dem Träger ausgerichtet sind.In a preferred embodiment are the LEDs with their light emitting side in the direction of hollow body aligned. But it is also possible that the LEDs with the light-emitting side facing away from the hollow body in the Direction on the vehicle are aligned.
Durch die Kühlung des Systems wird ein im Vergleich zu konventionellen Systemen geringer T-Gradient erreicht und somit bei einer geringeren LED-Chiptemperatur gearbeitet.By the cooling The system will have a low T-gradient compared to conventional systems achieved and thus worked at a lower LED chip temperature.
In einer weiteren Ausführungsform werden als LEDs Bottom-Emitterchips verwendet. Als Emitterchips werden beispielsweise saphirbasierte Chips mit Spiegel auf der Oberseite verwendet. Vorzugsweise sind die Kontakte an der Oberfläche und der Trägerseite reflektierend ausgeführt. In dieser Ausführungsform weist die Innenkontur des Hohlkörpers keine besonderen optischen Anforderungen auf, da sie in diesem Fall lediglich dem Wärmetransport dient. Die Innenseite des Hohlkörpers muss in dieser Ausführungsform keine reflektierenden Eigenschaften aufweisen.In a further embodiment are called LEDs bottom emitter chips used. As emitter chips, for example, sapphire-based Chips with mirror used on the top. Preferably the contacts on the surface and the wearer side reflective. In this embodiment does not have the inner contour of the hollow body special optical requirements, as in this case only the heat transport is used. The inside of the hollow body must in this embodiment have no reflective properties.
Die beschriebenen Gegenstände werden anhand der folgenden Figuren und Ausführungsbeispiele näher erläutert.The described objects will be explained in more detail with reference to the following figures and embodiments.
Die nachfolgend beschriebenen Zeichnungen sind nicht als maßstabsgetreu aufzufassen. Vielmehr können zur besseren Darstellung einzelne Dimensionen vergrößert, verkleinert oder auch verzerrt dargestellt sein.The The drawings described below are not to scale specific. Rather, you can For better representation, individual dimensions are enlarged, reduced or distorted.
Elemente, die einander gleichen oder die die gleiche Funktion übernehmen, sind mit gleichen Bezugszeichen bezeichnet.Elements, the same or the same function, are designated by the same reference numerals.
In
Die
In
Obwohl in den Ausführungsbeispielen nur eine beschränkte Anzahl möglicher Weiterbildung an der Erfindung beschrieben werden konnte, ist die Erfindung nicht auf diese beschränkt. Es ist prinzipiell möglich auch andere Formen des Hohlkörpers zu wählen, die eine effektive Kühlung bei gleichzeitiger Reflexion des emittierten Lichtes der LED ermöglichen.Even though in the embodiments only a limited one Number of possible Continuing to the invention could be described is the Invention not limited to this. It is possible in principle also other forms of the hollow body to choose, the one effective cooling allow simultaneous reflection of the emitted light of the LED.
Die Erfindung ist nicht auf die Anzahl der dargestellten Elemente beschränkt.The The invention is not limited to the number of elements shown.
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE102007041852A DE102007041852A1 (en) | 2007-09-03 | 2007-09-03 | High power LED module, has semicircular hollow portion extending into transparent carrier on side of LED and having evaporable cooling agent, and electrode structures provided in transparent carrier |
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DE102007041852A DE102007041852A1 (en) | 2007-09-03 | 2007-09-03 | High power LED module, has semicircular hollow portion extending into transparent carrier on side of LED and having evaporable cooling agent, and electrode structures provided in transparent carrier |
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DE102007041852A1 true DE102007041852A1 (en) | 2009-03-05 |
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DE102007041852A Withdrawn DE102007041852A1 (en) | 2007-09-03 | 2007-09-03 | High power LED module, has semicircular hollow portion extending into transparent carrier on side of LED and having evaporable cooling agent, and electrode structures provided in transparent carrier |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009022682A1 (en) * | 2009-05-26 | 2010-12-02 | Osram Opto Semiconductors Gmbh | Method for producing a light-emitting diode |
WO2013060357A1 (en) * | 2011-10-25 | 2013-05-02 | Osram Gmbh | Light emitting component |
DE102012211279A1 (en) | 2012-06-29 | 2014-01-02 | Osram Gmbh | SEMICONDUCTOR LIGHTING DEVICE WITH HEATER EAR |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6480389B1 (en) * | 2002-01-04 | 2002-11-12 | Opto Tech Corporation | Heat dissipation structure for solid-state light emitting device package |
WO2003107440A2 (en) * | 2002-06-13 | 2003-12-24 | Enfis, Limited | Opteolectronic devices |
WO2004109366A1 (en) * | 2003-06-10 | 2004-12-16 | Samsung Electronics Co., Ltd. | Compact led module and projection display adopting the same |
US7023022B2 (en) * | 2000-11-16 | 2006-04-04 | Emcore Corporation | Microelectronic package having improved light extraction |
EP1681728A1 (en) * | 2003-10-15 | 2006-07-19 | Nichia Corporation | Light-emitting device |
WO2006105644A1 (en) * | 2005-04-05 | 2006-10-12 | Tir Systems Ltd. | Mounting assembly for optoelectronic devices |
-
2007
- 2007-09-03 DE DE102007041852A patent/DE102007041852A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7023022B2 (en) * | 2000-11-16 | 2006-04-04 | Emcore Corporation | Microelectronic package having improved light extraction |
US6480389B1 (en) * | 2002-01-04 | 2002-11-12 | Opto Tech Corporation | Heat dissipation structure for solid-state light emitting device package |
WO2003107440A2 (en) * | 2002-06-13 | 2003-12-24 | Enfis, Limited | Opteolectronic devices |
WO2004109366A1 (en) * | 2003-06-10 | 2004-12-16 | Samsung Electronics Co., Ltd. | Compact led module and projection display adopting the same |
EP1681728A1 (en) * | 2003-10-15 | 2006-07-19 | Nichia Corporation | Light-emitting device |
WO2006105644A1 (en) * | 2005-04-05 | 2006-10-12 | Tir Systems Ltd. | Mounting assembly for optoelectronic devices |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009022682A1 (en) * | 2009-05-26 | 2010-12-02 | Osram Opto Semiconductors Gmbh | Method for producing a light-emitting diode |
US9806237B2 (en) | 2009-05-26 | 2017-10-31 | Osram Opto Semiconductors Gmbh | Method for producing a light-emitting diode |
WO2013060357A1 (en) * | 2011-10-25 | 2013-05-02 | Osram Gmbh | Light emitting component |
DE102012211279A1 (en) | 2012-06-29 | 2014-01-02 | Osram Gmbh | SEMICONDUCTOR LIGHTING DEVICE WITH HEATER EAR |
WO2014001483A1 (en) | 2012-06-29 | 2014-01-03 | Osram Gmbh | Semiconductor lighting device with a heat pipe |
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