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EP1898144A3 - Lighting device with several LED components and method for its manufacture - Google Patents

Lighting device with several LED components and method for its manufacture Download PDF

Info

Publication number
EP1898144A3
EP1898144A3 EP07112708A EP07112708A EP1898144A3 EP 1898144 A3 EP1898144 A3 EP 1898144A3 EP 07112708 A EP07112708 A EP 07112708A EP 07112708 A EP07112708 A EP 07112708A EP 1898144 A3 EP1898144 A3 EP 1898144A3
Authority
EP
European Patent Office
Prior art keywords
led components
manufacture
lighting device
several led
housing
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Withdrawn
Application number
EP07112708A
Other languages
German (de)
French (fr)
Other versions
EP1898144A2 (en
Inventor
Sigmund Braun
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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
Priority claimed from DE102007002839A external-priority patent/DE102007002839A1/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1898144A2 publication Critical patent/EP1898144A2/en
Publication of EP1898144A3 publication Critical patent/EP1898144A3/en
Withdrawn legal-status Critical Current

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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • 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
    • 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
    • F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
    • 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
    • F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
    • 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
    • F21V29/75—Cooling 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
    • 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
    • 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
    • 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
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Geometry (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Die vorliegende Erfindung betrifft ein insbesondere für Kraftfahrzeuge einsetzbares Leuchtaggregat mit mehreren LED-Bauelementen (6), die mittelbar mit einem Kühlkörper (2) verbunden sind, über den die Verlustwärme der LED-Bauelemente (6) abgeführt wird, wobei mindestens ein Gehäuse (4) vorgesehen ist, das aus einem wärmeleitenden Material besteht und in dem mindestens ein LED-Bauelement (6) angeordnet ist, und wobei das Gehäuse (4) kraftschlüssig in dem Kühlkörper (2) aufgenommen ist. Die Erfindung betrifft ferner ein Verfahren zur Herstellung eines derartigen Leuchtaggregats.

Figure imgaf001
The present invention relates to a particularly suitable for motor vehicles lighting unit with a plurality of LED components (6), which are indirectly connected to a heat sink (2) via which the heat loss of the LED components (6) is dissipated, wherein at least one housing (4 ) is provided, which consists of a thermally conductive material and in which at least one LED component (6) is arranged, and wherein the housing (4) is positively received in the heat sink (2). The invention further relates to a method for producing such a lighting unit.
Figure imgaf001
EP07112708A 2006-09-08 2007-07-18 Lighting device with several LED components and method for its manufacture Withdrawn EP1898144A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006042319 2006-09-08
DE102007002839A DE102007002839A1 (en) 2006-09-08 2007-01-19 Illuminating unit with several LED components and method for its production

Publications (2)

Publication Number Publication Date
EP1898144A2 EP1898144A2 (en) 2008-03-12
EP1898144A3 true EP1898144A3 (en) 2010-08-25

Family

ID=38950773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07112708A Withdrawn EP1898144A3 (en) 2006-09-08 2007-07-18 Lighting device with several LED components and method for its manufacture

Country Status (1)

Country Link
EP (1) EP1898144A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112012021789A2 (en) 2010-03-01 2017-02-21 Koninklijke Philips Eletronics N V lighting apparatus adapted for use in decorative lighting, shop lighting or atmosphere creation, and lighting method
CN107883340A (en) * 2017-07-31 2018-04-06 上海小糸车灯有限公司 A kind of LED Rear Fog Lamps of automobile
US12173881B2 (en) * 2021-06-30 2024-12-24 Koito Manufacturing Co., Ltd. Lamp unit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002097884A1 (en) * 2001-05-26 2002-12-05 Gelcore, Llc High power led module for spot illumination
US20060002125A1 (en) * 2004-07-01 2006-01-05 Samsung Electro-Mechanics Co., Ltd. Light emitting diode module for automobile headlights and automobile headlight having the same
WO2006066531A1 (en) * 2004-12-22 2006-06-29 Patent-Treuhand- Gesellschaft Für Elektrische Glühlampen Mbh Lighting device comprising at least one light-emitting diode and vehicle headlight
EP1691130A1 (en) * 2005-02-10 2006-08-16 Osram-Sylvania Inc. LED light source
US20060274544A1 (en) * 2005-06-06 2006-12-07 Koito Manufacturing Co., Ltd. Vehicle lamp and vehicle lamp system
DE202006015881U1 (en) * 2006-06-29 2006-12-21 AUGUX CO., LTD., Gueishan Unified construction for an LED lamp with a heat-dissipating arrangement has LED lamp set on a carrier plate and heat-dissipating module with an isothermal plate

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002097884A1 (en) * 2001-05-26 2002-12-05 Gelcore, Llc High power led module for spot illumination
US20060002125A1 (en) * 2004-07-01 2006-01-05 Samsung Electro-Mechanics Co., Ltd. Light emitting diode module for automobile headlights and automobile headlight having the same
WO2006066531A1 (en) * 2004-12-22 2006-06-29 Patent-Treuhand- Gesellschaft Für Elektrische Glühlampen Mbh Lighting device comprising at least one light-emitting diode and vehicle headlight
EP1691130A1 (en) * 2005-02-10 2006-08-16 Osram-Sylvania Inc. LED light source
US20060274544A1 (en) * 2005-06-06 2006-12-07 Koito Manufacturing Co., Ltd. Vehicle lamp and vehicle lamp system
DE202006015881U1 (en) * 2006-06-29 2006-12-21 AUGUX CO., LTD., Gueishan Unified construction for an LED lamp with a heat-dissipating arrangement has LED lamp set on a carrier plate and heat-dissipating module with an isothermal plate

Also Published As

Publication number Publication date
EP1898144A2 (en) 2008-03-12

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