EP2275738A3 - Cooling element for a semiconductor light source of a motor vehicle lighting device - Google Patents

Cooling element for a semiconductor light source of a motor vehicle lighting device Download PDF

Info

Publication number
EP2275738A3
EP2275738A3 EP10002907A EP10002907A EP2275738A3 EP 2275738 A3 EP2275738 A3 EP 2275738A3 EP 10002907 A EP10002907 A EP 10002907A EP 10002907 A EP10002907 A EP 10002907A EP 2275738 A3 EP2275738 A3 EP 2275738A3
Authority
EP
European Patent Office
Prior art keywords
cooling element
light source
semiconductor light
motor vehicle
lighting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10002907A
Other languages
German (de)
French (fr)
Other versions
EP2275738A2 (en
EP2275738B2 (en
EP2275738B1 (en
Inventor
Matthias Brendle
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.)
Automotive Lighting Reutlingen GmbH
Original Assignee
Automotive Lighting Reutlingen 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
Family has litigation
Priority to DE102009033949A priority Critical patent/DE102009033949A1/en
Application filed by Automotive Lighting Reutlingen GmbH filed Critical Automotive Lighting Reutlingen GmbH
Publication of EP2275738A2 publication Critical patent/EP2275738A2/en
Publication of EP2275738A3 publication Critical patent/EP2275738A3/en
Publication of EP2275738B1 publication Critical patent/EP2275738B1/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42752280&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2275738(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of EP2275738B2 publication Critical patent/EP2275738B2/en
Application granted granted Critical
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76Cooling 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
    • F21V29/763Cooling 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141Light emitting diodes [LED]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40Cooling of lighting devices
    • F21S45/47Passive cooling, e.g. using fins, thermal conductive elements or openings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/75Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/80Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with pins or wires
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

Disclosed is a cooling element (32) for a semiconductor light source (24) of a motor vehicle with a heat dissipated to the environment heat sink (38) and with a for thermal coupling of the semiconductor light source (24) and for fixing the cooling element (32) on the Lighting device fitted flange plate (36). The cooling element (32) is characterized in that it is a composite part of a casting and an insert (38) inserted into the mold during casting of the casting, the flange plate (36) being the casting and the heat sink (38) being the insert , An independent claim is directed to a method of manufacturing such a cooling element.
EP10002907.3A 2009-07-13 2010-03-19 Cooling element for a semiconductor light source of a motor vehicle lighting device Active EP2275738B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102009033949A DE102009033949A1 (en) 2009-07-13 2009-07-13 Cooling element for a semiconductor light source of a lighting device of a motor vehicle

Publications (4)

Publication Number Publication Date
EP2275738A2 EP2275738A2 (en) 2011-01-19
EP2275738A3 true EP2275738A3 (en) 2012-05-23
EP2275738B1 EP2275738B1 (en) 2014-10-22
EP2275738B2 EP2275738B2 (en) 2019-06-12

Family

ID=42752280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10002907.3A Active EP2275738B2 (en) 2009-07-13 2010-03-19 Cooling element for a semiconductor light source of a motor vehicle lighting device

Country Status (2)

Country Link
EP (1) EP2275738B2 (en)
DE (1) DE102009033949A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011086193A1 (en) * 2011-11-11 2013-05-16 Osram Gmbh LED module for use in vehicle light, has LED arranged at dielectric LED carrier that comprises contact section, and cooling body provided for removing heat of LED and directly connected with carrier, where cooling body has base plate
CN103162207A (en) * 2011-12-15 2013-06-19 欧司朗股份有限公司 Light-emitting diode (LED) unit installing module and manufacturing method thereof and LED lighting device and automobile headlamp
FR2998034A1 (en) * 2012-11-09 2014-05-16 Valeo Vision Lighting module with unit card and distinctive dissipators
DE102014104937A1 (en) * 2014-04-08 2015-10-08 Hella Kgaa Hueck & Co. Heatsink for cooling a semiconductor light source of a headlamp
CN105371119A (en) * 2015-11-24 2016-03-02 苏州威恩斯光电科技有限公司 LED lamp and manufacturing method thereof
AT518543B1 (en) * 2016-06-17 2017-11-15 Zkw Group Gmbh LED system reflector with heat coupling

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004003793U1 (en) * 2004-03-11 2004-05-13 Hella Kg Hueck & Co. Light emitting diode (LED) assembly for fitting into cars, comprises cooler for dissipating waste heat and directly supporting LEDs and electronic components
DE102007024962A1 (en) * 2006-06-02 2007-12-06 Koito Mfg. Co., Ltd. vehicle light
US20090059594A1 (en) * 2007-08-31 2009-03-05 Ming-Feng Lin Heat dissipating apparatus for automotive LED lamp
EP2039992A1 (en) * 2007-09-20 2009-03-25 Koito Manufacturing Co., Ltd. Vehicle lighting device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6045240A (en) 1996-06-27 2000-04-04 Relume Corporation LED lamp assembly with means to conduct heat away from the LEDS
US6085830A (en) 1997-03-24 2000-07-11 Fujikura Ltd. Heat sink, and process and apparatus for manufacturing the same
US6540948B2 (en) 2000-01-11 2003-04-01 Cool Options, Inc. Injection molding apparatus with bleed off pocket for overmolding heat pipes
DE102007002838A1 (en) 2006-09-08 2008-03-27 Robert Bosch Gmbh Vehicle lamp, for interior and exterior illumination, has a number of LEDs fitted into a cooling body to take off heat
US20090016074A1 (en) 2007-07-09 2009-01-15 Magna International Inc. Semiconductor light engine using glass light pipes
US7670021B2 (en) 2007-09-27 2010-03-02 Enertron, Inc. Method and apparatus for thermally effective trim for light fixture
DE202007016052U1 (en) 2007-11-15 2008-02-14 Hella Kgaa Hueck & Co. Headlights for vehicles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004003793U1 (en) * 2004-03-11 2004-05-13 Hella Kg Hueck & Co. Light emitting diode (LED) assembly for fitting into cars, comprises cooler for dissipating waste heat and directly supporting LEDs and electronic components
DE102007024962A1 (en) * 2006-06-02 2007-12-06 Koito Mfg. Co., Ltd. vehicle light
US20090059594A1 (en) * 2007-08-31 2009-03-05 Ming-Feng Lin Heat dissipating apparatus for automotive LED lamp
EP2039992A1 (en) * 2007-09-20 2009-03-25 Koito Manufacturing Co., Ltd. Vehicle lighting device

Also Published As

Publication number Publication date
DE102009033949A1 (en) 2011-01-20
EP2275738B1 (en) 2014-10-22
EP2275738B2 (en) 2019-06-12
EP2275738A2 (en) 2011-01-19

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