DE10251955A1 - High-power LED insert module for motor vehicle, has dielectric in flat contact with heat sink and conductive track structure - Google Patents
High-power LED insert module for motor vehicle, has dielectric in flat contact with heat sink and conductive track structure Download PDFInfo
- Publication number
- DE10251955A1 DE10251955A1 DE10251955A DE10251955A DE10251955A1 DE 10251955 A1 DE10251955 A1 DE 10251955A1 DE 10251955 A DE10251955 A DE 10251955A DE 10251955 A DE10251955 A DE 10251955A DE 10251955 A1 DE10251955 A1 DE 10251955A1
- Authority
- DE
- Germany
- Prior art keywords
- heat sink
- dielectric
- distribution element
- installation module
- led
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- 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
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/021—Components thermally connected to metal substrates or heat-sinks by insert mounting
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/056—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an organic insulating layer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0364—Conductor shape
- H05K2201/0382—Continuously deformed conductors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09054—Raised area or protrusion of metal substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
Abstract
Description
Die Erfindung betrifft ein Einbaumodul mit mindestens einer leistungsstarken LED.The invention relates to a built-in module with at least one powerful LED.
Beim Einsatz einer leistungsstarken LED (Leuchtdiode) mit einer Strahlungsleistung von z.B. 1 Watt in einem Kraftfahrzeug mit einer Betriebstemperatur von z.B. 85 ° C ist aufgrund einer Verlustleistung der LED von z.B. 2 Watt notwendig, Maßnahmen zur Ableitung der sich entwickelnden Wärme zu ergreifen.When using a powerful LED (light emitting diode) with a radiation power of e.g. 1 watt in a motor vehicle with an operating temperature of e.g. 85 ° C is due a power loss of the LED of e.g. 2 watts necessary, measures to take away the developing heat.
Der Anmelderin ist bekannt, leistungsstarke LED's auf einen Schaltungsträger bestehend aus einer als Wärmesenke dienenden Aluminiumplatte, mit einer Dielektrikumschicht und einer Leiterbahnschicht anzuordnen. Zusätzlich sind Kühlkörper für die LED's erforderlich, die an die Aluminiumplatte z.B. geklebt werden.The applicant is known to have powerful LEDs on a circuit carrier from one as a heat sink serving aluminum plate, with a dielectric layer and a Arrange conductor layer. In addition, heat sinks are required for the LED's to the aluminum plate e.g. be glued.
Aufgabe der Erfindung ist es, ein einfach aufgebautes Einbaumodul mit mindestens einer leistungsstarken LED zu entwickeln, das als Standardmodul in Kraftfahrzeuge eingesetzt werden kann.The object of the invention is a simply built-in module with at least one powerful one To develop LED that is used as a standard module in motor vehicles can be.
Die Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst. In den Unteransprüchen sind Merkmale vorteilhafter Weiterentwicklungen angegeben.The task is characterized by the characteristics of claim 1 solved. In the subclaims features of advantageous further developments are specified.
Ein erfindungsgemäßes Einbaumodul weist mindestens eine leistungsstarke LED und einen Träger mit einer Wärmesenke, einem Dielektrikum und einer Leiterbahnstruktur auf. Die Wärmesenke ist als Kühlkörper ausgebildet, der in flächigem Kontakt mit dem Dielektrikum steht.An installation module according to the invention has at least a powerful LED and a support with a heat sink, a dielectric and a conductor track structure. The heat sink is designed as a heat sink, the in flat Contact with the dielectric.
Statt einer als Schaltungsträger dienenden Aluminiumplatte und einem daran befestigten Kühlkörper wird nur ein Kühlkörper vorgesehen, der durch das Dielektrikum gegen die mit diesem in flächigem Kontakt stehende Leiterbahnstruktur isoliert ist. Das Dielektrikum befindet sich zwischen dem Kühlkörper und Leiterbahnen der Leiterbahnstruktur, wobei sich seine Kontaktflächen zum Kühlkörper und zur Leiterbahnstruktur zumindest im Bereich der Leiterbahnen erstrecken. Die LED ist an die Leiterbahnstruktur angeschlossen. Die im Betrieb abzuleitende Wärme der LED wird zumindest über die Leiterbahnstruktur durch das Dielektrikum in den Kühlkörper geleitet.Instead of an aluminum plate serving as a circuit carrier and a heat sink attached to it only one heat sink is provided, which is due to the dielectric against the surface contact with it standing conductor structure is insulated. The dielectric is located between the heat sink and Conductors of the conductor structure, with its contact surfaces to Heatsink and extend to the conductor track structure at least in the area of the conductor tracks. The LED is connected to the conductor structure. The one in operation dissipated heat the LED is at least over the conductor structure through the dielectric in the heat sink.
Der Kühlkörper kann aus Metall hergestellt sein, z.B. als ein Aluminium-Extrusionsprofil oder- Druckgussteil ausgebildet sein oder aus einem Kupferblech gebildet sein.The heat sink can be made of metal, e.g. formed as an aluminum extrusion profile or die-cast part be or be formed from a sheet of copper.
Das Dielektrikum kann z.B. als eine im Siebdruck aufgebrachte isolierende Schicht, als eine Eloxalschicht oder als eine aufgedruckte oder aufgespritzte Kunststoffschicht ausgebildet sein. Leiterbahnstrukturen können z.B. als Dickschicht- oder Dünnschichtstrukturen oder als Kupfer-Leadframe ausgebildet sein.The dielectric can e.g. as one insulating layer applied by screen printing, as an anodized layer or as a printed or sprayed on plastic layer be trained. Conductor structures can e.g. as thick-film or thin-film structures or be designed as a copper leadframe.
Der einfache Aufbau des Trägers aus Kühlkörper, Dielektrikum und Leiterbahnstruktur ermöglicht, ein kostengünstiges Standardmodul für mindestens ein LED zu entwickeln, das an beliebigen Stellen im Kraftfahrzeug eingesetzt werden kann. Bevorzugt weist ein erfindungsgemäßes Einbaumodul ein oder zwei LED's auf.The simple structure of the carrier Heatsink, dielectric and trace structure enables an inexpensive Standard module for to develop at least one LED at any point in the motor vehicle can be used. An installation module according to the invention preferably has one or two LEDs on.
Zur schnellen Ableitung der Wärme aus der LED weist der Kühlkörper gemäß Anspruch 2 ein flächiges Verteilelement und von diesem ausgehende Ableitelemente auf, wobei das Verteilelement mit dem Dielektrikum in flächigem Kontakt steht. Das Verteilelement weist aufgrund seines Volumens eine bestimmte Wärmekapazität auf und ist z.B. je nach Material als dünne oder dickere Platte ausgebildet. Die Ableitelemente können z.B. als Rippen, Beine oder Finger geformt sein. Die Wärme wird von der LED z.B. über das Dielektrikum zunächst in das Verteilelement geleitet, das aufgrund seiner Wärmekapazität schnell eine bestimmte Wärmemenge aufnehmen kann. Die aufgenommene Wärmemenge wird über die Ableitelemente abgeleitet.For quick heat dissipation the LED has the heat sink according to claim 2 a flat Distribution element and discharge elements emanating from this, wherein the distribution element is in flat contact with the dielectric. The distribution element has a certain heat capacity due to its volume and is e.g. depending on the material as thin or thicker plate. The discharge elements can e.g. be shaped as ribs, legs or fingers. The warmth will from the LED e.g. about the dielectric first passed into the distribution element, which due to its heat capacity quickly a certain amount of heat can record. The amount of heat absorbed is about Discharge elements derived.
Eine besonders gute Ableitung der Wärme von der LED wird ermöglicht, wenn gemäß Anspruch 3 eine Wärmeableitfläche der LED in flächigem Kontakt mit dem Verteilelement des Kühlkörpers steht.A particularly good derivation of the Warmth of the LED is enabled if according to claim 3 a heat dissipation surface of the LED in flat Contact with the distribution element of the heat sink.
Von Vorteil für den Einsatz eines Einbaumoduls als Standardmodul ist es, wenn es gemäß Anspruch 4 mit einem an die Leiterbahnstruktur angeschlossenen Modulstecker versehen ist. Der Modulstecker kann durch ein Anschlussmittel, z.B. durch einen bekannten Stecker, durch einen Kabelschwanz oder durch einen flexiblen Verdrahtungsträger (z.B. FFC oder FPC), gebildet sein.An advantage for the use of a built-in module as a standard module, it is according to claim 4 with one to the Conductor structure connected module connector is provided. The The module plug can be connected by a connection device, e.g. by a known Connector, through a cable tail or through a flexible wiring support (e.g. FFC or FPC).
Ein Kühlkörper, der gemäß Anspruch 5 als massives Aluminiumteil mit einer das Verteilelement bildenden Platte und mit die Ableitelemente bildenden Rippen ausgebildet ist, ist als zusätzlicher Kühlkörper bekannt und als Massenprodukt erhältlich.A heat sink according to claim 5 as a solid aluminum part with one forming the distribution element Plate and with the ribs forming the diverting elements, is as an additional Heat sink known and available as a mass product.
Dieser Kühlkörper eignet sich besonders gut dazu, gemäß Anspruch 6 mit dünnen Schichten von z.B. 10 bis 50 μm versehen zu werden, die das Dielektrikum und die Leiterbahnstruktur bilden.This heat sink is particularly suitable good for that, according to claim 6 with thin Layers of e.g. 10 to 50 μm to be provided, the dielectric and the conductor structure form.
Ein alternativer, individuell konstruierbarer Kühlkörper gemäß Anspruch 7, weist ein Kupferblech auf, dessen mittlerer Abschnitt das Verteilelement bildet und aus dessen beiden seitlichen Abschnitten erzeugte, abgewinkelte Blechstreifen die Ableitelemente bilden.An alternative, individually constructed heat sink according to claim 7, has a copper sheet, the central portion of the distribution element forms and from its two side sections generated, angled Sheet metal strips form the discharge elements.
Für diesen Kühlkörper ist es besonders vorteilhaft, gemäß Anspruch 8 ein durch eine Kunststoffhalterung gebildetes Dielektrikum einzusetzen, wobei das Verteilelement und darüber die Leiterbahnstruktur im Dielektrikum eingebettet sind.For this heat sink is it particularly advantageous, according to claim 8 to use a dielectric formed by a plastic holder, being the distribution element and above the conductor track structure are embedded in the dielectric.
Die Erfindung wird anhand zweier in der Zeichnung schematisch dargestellter Beispiele weiter erläutert.The invention is based on two in the Drawing schematically illustrated examples further explained.
In den
Beispiel 1example 1
Ein erfindungsgemäßes Einbaumodul weist eine
leistungsstarke LED mit einem Grundkörper
Der Kühlkörper ist ein massives Druckgussteil
aus Aluminium mit quaderförmigen
Außenmaßen, wobei
im oberen, kleineren Teil des Quaders eine den Quader ausfüllende Platte
und im unteren Teil des Quaders vier, voneinander beabstandete, parallel
zu einer Seite des Quaders verlaufende Rippen ausgebildet sind.
Die Höhe
des oberen Teils des Quaders beträgt etwa ein Fünftel seiner
Gesamthöhe.
Die äußeren Rippen
schließen
mit dem Quader ab. Die Dicke der Rippen beträgt etwa ein Zehntel der Seitenlänge der
Seite, die senkrecht zu den Rippen verläuft. Die Platte bildet das
Verteilelement
Das Dielektrikum
Der z.B. aus schwarzem Kunststoff
bestehende Grundkörper
Auf der Unterseite des Grundkörpers
Die beiden Anschlüsse
Beispiel 2Example 2
Ein Einbaumodul des Beispiels 2 entspricht dem des Beispiels 1 bis auf die im Folgenden aufgeführten Unterschiede.An installation module of Example 2 corresponds to this of Example 1 except for the differences listed below.
Der Kühlkörper ist aus einem Kupferblech hergestellt,
dessen Länge
z.B. das 3-Fache seiner Breite beträgt. Ein mittlerer Abschnitt
des Kupferbleches bildet das flächige
Verteilelement
In der Mitte des mittleren Abschnitts
des Kupferbleches, d.h. des Verteilelementes
Das Dielektrikum
- 11
- Grundkörper der LEDBasic body of the LED
- 22
- Lichtkörper der LEDLight body of LED
- 33
- Linse der LEDlens the LED
- 44
- Anschluss der LEDconnection the LED
- 55
- Verteilelement des Kühlkörpersdistributor of the heat sink
- 66
- Ableitelement des Kühlkörpersdiverter of the heat sink
- 77
- Dielektrikumdielectric
- 88th
- LeiterbahnstrukturConductor structure
- 99
- Wärmeableitfläche der LEDHeat dissipation surface of the LED
- 1010
- Anschlussplättchen der LEDConnection plate of the LED
- 1111
- Modulsteckermodular plug
- 1212
- Erhebung des Kühlkörperssurvey of the heat sink
- 1313
- Aussparung des Dielektrikumsrecess of the dielectric
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10251955A DE10251955A1 (en) | 2002-11-08 | 2002-11-08 | High-power LED insert module for motor vehicle, has dielectric in flat contact with heat sink and conductive track structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10251955A DE10251955A1 (en) | 2002-11-08 | 2002-11-08 | High-power LED insert module for motor vehicle, has dielectric in flat contact with heat sink and conductive track structure |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10251955A1 true DE10251955A1 (en) | 2004-05-19 |
Family
ID=32115375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10251955A Withdrawn DE10251955A1 (en) | 2002-11-08 | 2002-11-08 | High-power LED insert module for motor vehicle, has dielectric in flat contact with heat sink and conductive track structure |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10251955A1 (en) |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1603376A1 (en) * | 2004-06-03 | 2005-12-07 | BREE (Beauce Réalisations et Études Électroniques) | Printed circuit by selective deposition |
DE102004025623A1 (en) * | 2004-05-25 | 2005-12-15 | Hella Kgaa Hueck & Co. | Headlight for a motor vehicle |
EP1754936A1 (en) * | 2005-08-17 | 2007-02-21 | Excel Cell Electronic Co., Ltd. | Cooling device for light emitting element |
US7236366B2 (en) | 2004-07-23 | 2007-06-26 | Excel Cell Electronic Co., Ltd. | High brightness LED apparatus with an integrated heat sink |
EP1848924A2 (en) * | 2005-02-17 | 2007-10-31 | Federal-Mogul Corporation | Led light module assembly |
DE102007046075A1 (en) * | 2007-09-26 | 2009-04-02 | Osram Opto Semiconductors Gmbh | LED module for lighting purpose and backlighting purpose, has printed circuit board with carrier from anodized aluminum, where conductors are attached on carrier and LED is arranged on carrier, and board stays in thermal contact with body |
WO2009144449A1 (en) * | 2008-05-29 | 2009-12-03 | Integration Technology Limited | Led device and arrangement |
DE202008016023U1 (en) * | 2008-12-04 | 2010-04-15 | Schweitzer, Rolf, Dipl.-Ing. | Daylight LED clusters |
WO2012126739A1 (en) * | 2011-03-21 | 2012-09-27 | Osram Ag | Lighting device and vehicle headlights comprising a lighting device |
ITTR20120012A1 (en) * | 2012-11-20 | 2013-02-19 | Tecnologie E Servizi Innovativi T S I S R L | MPCB-LED-SINK20 - CIRCUIT PRINTED ON METALLIC BASE WITH DIRECT TRANSFER OF HEAT FROM THE THERMAL PAD OF THE POWER LEDS TO THE METAL LAYER OF THE MPCB WITH THE ABILITY TO LOWER THE TEMPERATURE OF THE LED JUNCTION OF ADDITIONAL 20 ° C RESPECT |
WO2011109086A3 (en) * | 2010-03-03 | 2013-06-13 | Cree Inc. | Solid state lamp with thermal spreading elements and light directing optics |
CN103180658A (en) * | 2010-03-03 | 2013-06-26 | 克利公司 | Led lamp incorporating remote phosphor and diffuser with heat dissipation features |
US8562161B2 (en) | 2010-03-03 | 2013-10-22 | Cree, Inc. | LED based pedestal-type lighting structure |
US8632196B2 (en) | 2010-03-03 | 2014-01-21 | Cree, Inc. | LED lamp incorporating remote phosphor and diffuser with heat dissipation features |
US8882284B2 (en) | 2010-03-03 | 2014-11-11 | Cree, Inc. | LED lamp or bulb with remote phosphor and diffuser configuration with enhanced scattering properties |
US8931933B2 (en) | 2010-03-03 | 2015-01-13 | Cree, Inc. | LED lamp with active cooling element |
US9024517B2 (en) | 2010-03-03 | 2015-05-05 | Cree, Inc. | LED lamp with remote phosphor and diffuser configuration utilizing red emitters |
US9057511B2 (en) | 2010-03-03 | 2015-06-16 | Cree, Inc. | High efficiency solid state lamp and bulb |
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US9234655B2 (en) | 2011-02-07 | 2016-01-12 | Cree, Inc. | Lamp with remote LED light source and heat dissipating elements |
US9275979B2 (en) | 2010-03-03 | 2016-03-01 | Cree, Inc. | Enhanced color rendering index emitter through phosphor separation |
US9310030B2 (en) | 2010-03-03 | 2016-04-12 | Cree, Inc. | Non-uniform diffuser to scatter light into uniform emission pattern |
US9316361B2 (en) | 2010-03-03 | 2016-04-19 | Cree, Inc. | LED lamp with remote phosphor and diffuser configuration |
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US9412926B2 (en) | 2005-06-10 | 2016-08-09 | Cree, Inc. | High power solid-state lamp |
US9488359B2 (en) | 2012-03-26 | 2016-11-08 | Cree, Inc. | Passive phase change radiators for LED lamps and fixtures |
US9500325B2 (en) | 2010-03-03 | 2016-11-22 | Cree, Inc. | LED lamp incorporating remote phosphor with heat dissipation features |
US9625105B2 (en) | 2010-03-03 | 2017-04-18 | Cree, Inc. | LED lamp with active cooling element |
US10451251B2 (en) | 2010-08-02 | 2019-10-22 | Ideal Industries Lighting, LLC | Solid state lamp with light directing optics and diffuser |
US11251164B2 (en) | 2011-02-16 | 2022-02-15 | Creeled, Inc. | Multi-layer conversion material for down conversion in solid state lighting |
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