EP2480826A1 - Lighting device and method for assembling a lighting device - Google Patents
Lighting device and method for assembling a lighting deviceInfo
- Publication number
- EP2480826A1 EP2480826A1 EP10779777A EP10779777A EP2480826A1 EP 2480826 A1 EP2480826 A1 EP 2480826A1 EP 10779777 A EP10779777 A EP 10779777A EP 10779777 A EP10779777 A EP 10779777A EP 2480826 A1 EP2480826 A1 EP 2480826A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit board
- lighting device
- receptacle
- thread
- printed circuit
- 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- Withdrawn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
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 230000013011 mating Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 239000000729 antidote Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000036629 mind Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- F21V29/773—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 the planes containing the fins or blades having the direction of the light emitting axis
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- 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
- F21V19/0055—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by screwing
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/508—Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
-
- 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]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49947—Assembling or joining by applying separate fastener
- Y10T29/49963—Threaded fastener
Definitions
- the invention relates to a light emitting device, comprising ei ⁇ NEN heat sink having at least one seat for a respective circuit board and at least one inserted into the at least one on ⁇ acquisition circuit board, wherein the at least one printed circuit board having at least one light source at a front side and having at least one part of a Rear side with the heat sink in an at least thermal contact.
- the invention further relates to a method for mounting such a lighting device.
- the screws have the further disadvantage that they require space on the circuit board, which is no longer usable for other components (light-emitting diodes, electronic components).
- the screws pose problems in maintaining creepage distances. It is the object of the present invention to at least partially overcome the disadvantages of the prior art and in particular to provide a particularly compact, low-tolerance and less heat-prone lighting device.
- the object is achieved by a lighting device, aufwei ⁇ send a heat sink with at least one receptacle for each ⁇ Weil a circuit board and at least one inserted into the at least one recording circuit board, wherein the at least one circuit board on a front side at least one light ⁇ source and with at least a part of a rear side is in an at least thermal contact with the heat sink.
- the at least one conductor plate in each case has Minim ⁇ least on a rotary closure means which communicates with at least ei ⁇ nem rotary closure antidote their inclusion in engagement.
- the at least one light source comprises at least one light-emitting diode. If several LEDs are present, they can be in the same color or in different colors. ben light up. A color can be monochrome (eg red, green, blue etc.) or multichrome (eg white). Also the of the at least one light emitting diode light emitted infraro a ⁇ tes light (IR LED) or an ultraviolet light (UV-LED) may be. Several light emitting diodes can show a mixed light; eg a white mixed light.
- the at least one light-emitting diode may contain at least one wavelength-converting phosphor (conversion LED).
- the at least one light-emitting diode can be in the form of at least one individually housed light-emitting diode or in the form of at least one LED chip. Several LED chips can be mounted on a common substrate ("submount").
- the at least one light emitting diode may be at least equipped with a private and / or shared optics for beam guidance, for example, at least one Fresnel lens, collimator, and so on ⁇ min.
- inorganic light-emitting diodes for example based on InGaN or AlInGaP, it is generally also possible to use organic LEDs (OLEDs, eg polymer OLEDs).
- OLEDs organic LEDs
- the at least one light source may have, for example, at least one diode laser.
- the heat sink may consist of a good heat-conducting material with ⁇ > 10 W / (mK), for example, consist of a metal or a ceramic.
- the heat sink may consist of a comparatively good heat-conducting plastic with ⁇ > 0.2 W / (mK) or such a material with a plastic matrix.
- the at least one circuit board each has at least one screw means which engages with Minim ⁇ least one handle Verschraubungshafen their inclusion in inputs.
- the heat sink can be produced for example by means of spraying, Pres ⁇ sens, casting, etc..
- the front of the circuit board may be other than the Minim ⁇ least one light source and at least one further component, in particular electronic component which is mounted. At least a part of the at least one further component may represent a heat source (eg an integrated circuit), the heat of which is preferably likewise derivable to the heat sink for high functional reliability.
- the rotary shutter means is a screwing means
- the rotary shutter countermeasure means is a screwing countermeasure means
- the rotary closure means and the rotary closure countermember may be parts of a screw cap. This can set a con ⁇ continuously-increasing contact force.
- the rotary sealing means and the Drehver ⁇ circuit antidote parts of a bayonet lock or ba ⁇ jonettähnlichen closure can be.
- the at least one printed circuit board in each case at least partially has a nikzy- linderförmige peripheral surface and at the nikzylin- derförmigen circumferential surface at least partially mindes ⁇ least a rotary closure structure, in particular threaded structure (thread or thread-like structure which acts like a thread), and that the receptacle at least ei ⁇ ne to the at least one rotary closure structure suitable Drehver gleich briefly Modell, in particular threaded counter-structure having.
- This embodiment is particularly easy to implement and consumes no space on the front or the back of the circuit board.
- the twist lock geometry in particular thread geometry, may be introduced, for example by rolling, machining or other ma ⁇ terialabtragende processing method.
- the thread geometry can be coated with a metal to to increase their resistance to mechanical stress.
- the at least one circuit board each has a circular cylindrical peripheral surface and has a thread with at least one thread ⁇ train and that the receptacle has a circular cylindrical peripheral surface and has a matching to the thread of the Lei ⁇ terplatte mating thread ,
- the at least one Lei ⁇ terplatte each having a substantially circular cylindrical peripheral surface and sections thereof has a thread with at least one thread and that the receptacle has a circular cylindrical peripheral surface and at least partially a respective to the thread of the circuit board having matching mating thread.
- the ab ⁇ sections may be circular sector-like sections, for example.
- the at least one printed circuit board is held, in particular countered, by means of at least one securing element in its receptacle. As ⁇ by a later release of the circuit board is prevented.
- the fuse element may be a dedicated fuse element, eg a circlip.
- the fuse element can also be an element which has at least one additional function in addition to the fuse function, eg a mechanical function (spacer, lens holder, cover, etc.) and / or optical function (reflector, optical fiber, etc.). This saves a component (dedicated Si ⁇ cherungselement).
- the material of the fuse element, at least in the region of the heat sink electrically non-conductive is so that air and creepage distances are not reduced.
- a number of components on the circuit board while maintaining existing space can be maintained or even increased.
- the at least one rotary closure means at least one Si ⁇ cherungselement which meshes with the at least one twist lock counter means of the receptacle engaged.
- the securing element can in particular be screwed into the rotary closure counter-means of the heat sink and, for example, have a corresponding external thread, for example at its rear edge.
- the at least one rotary closure means and / or the at least one Drehver ⁇ concluding antidote have at least one latching element.
- This can be, for example, a latching hook and a latching recess.
- the at least one rotary closure means and the at least one rotary closure countermeasure are self-lockingly engaged with one another, e.g. by an introduced surface structure to increase a frictional force in the screw cap.
- Minim ⁇ least a rotational locking means and the at least one rotary ⁇ closure antidote are integrally secured at ⁇ play, via a screw-bonding, or other adhesive.
- Various backup methods can be combined.
- the at least one printed circuit board has at least one torque introduction structure.
- the circuit board can be held or rotated safely and easily for rotation against the heat sink.
- the at least one torque introduction structure comprises at least two through holes and / or depressions. This is a particularly simp ⁇ che and inexpensive design.
- the object is also achieved by a method for ATTACHING a light-emitting device, said lighting device having a heat sink having at least one receptacle for one circuit board and at least one inserted into the at least one receiving circuit board, wherein the Minim ⁇ least a printed circuit board on a front side has at least one light source and is at least a part of a rear ⁇ side with the heat sink in an at least thermal contact.
- the method comprises at least the following steps: inserting the at least one printed circuit board into the associated receptacle by a substantially linear feed motion; and rotating the circuit board against the heat sink (by rotating the circuit board, the heat sink, or both). By twisting a twist lock is closed, which holds the circuit board to the heat sink.
- Fig.l shows in a view obliquely from the front a heat sink and a circuit board of a lighting device according to a first embodiment in a not yet assembled state with an associated twisting tool;
- FIG. 2 shows in a view obliquely from the front, the light ⁇ device according to the first embodiment, wherein the circuit board is attached to the heat sink, but not yet screwed with it;
- FIG 3 shows in a view obliquely from the front, the light ⁇ device according to the first embodiment, wherein the circuit board is screwed into the heat sink, with still inserted twisting tool;
- FIG. 5 shows in a view obliquely from the front the light ⁇ device according to the first embodiment in a mounted state
- FIG. 6 shows in a view obliquely from the front a cooling ⁇ body, a circuit board and a fuse element of a light emitting device according to a second embodiment in a not yet assembled condition-associated with a twisting tool;
- FIG. 7 shows in a view obliquely from the front, the light ⁇ device according to the second embodiment, wherein the circuit board and the fuse element are screwed into the heat sink, with still inserted twisting tool; and 8 shows in a view similar to Figure 7 the light ⁇ device according to the second embodiment in a sectional view.
- Fig.l shows a lighting device 1 with a heat sink 2 and a printed circuit board 3 in a not yet assembled state.
- the heat sink 2 has a circular disk-like basic shape, with a central cylindrical receptacle 5 in its front side 4.
- the receptacle 5 has a flat bottom 6 and a lateral edge 7.
- An outer edge of the heat sink 2 has a ring of radially outgoing cooling ribs 8.
- the circuit board 3 has a substantially disk-like shape with a substantially circular cylindrical circumferential surface 9, wherein the peripheral surface is flattened at two opposite ⁇ lying straight peripheral portions 17 and, consequently, two having opposite circular cylinder-shaped peripheral portions of the eighteenth
- a front side 10 of the printed circuit board 3 is equipped with a plurality of light-emitting diodes 12 in a central circular area 11 and equipped with further components such as electronic components (resistors, capacitors, logic components 14) or a plug 15 in an annular area 13 surrounding the circular area 11 ,
- the centrally duri ⁇ fende symmetry axis S corresponds in the forward direction and a main emission or optical axis of the LEDs 12.
- a rear side 16 of the circuit board 3 is contacted flat with the bottom 6 of the receptacle 5 , possibly via a TIM ( "thermal interface material”; ⁇ occidentalschreibgangsmateri al) film as a thermally conductive paste or the like. This happens in the present case in that the circuit board 3 as such is screwed into the heat sink 2 until it presses on the bottom 6.
- the printed circuit board 3 has two screwing means in the form of a respective (single or multi-lobed) thread segment (o.Fig.), Of which one each is introduced into one of the circular cylindrical peripheral portions 18.
- the circuit board 3 may comprise a Verschraubungsmit ⁇ tel in the form of an inserted into the substantially circular cylindrical circumferential surface 9 thread (o.Abb.), which is underbro ⁇ chen through the rectilinear peripheral portions 17, in other words. Accordingly, a matching mating thread (o.Fig.) Is introduced into the lateral edge 7 of the up ⁇ take 5, in which the thread of the circuit board 3 can be screwed by rotation.
- the mating thread in the lateral edge 7 is higher than the thread on the peripheral surface 9 of the circuit board 3.
- the thread and the mating thread can be self-locking out ⁇ leads , For example, by a surface structure and / or at least one latching element.
- the thread and the mating thread can also be connected to one another in a material-locking manner, for example by means of a threadlocking adhesive, or by a bajo-like element, etc.
- the circuit board 3 For applying a torque to the circuit board 3 or to hold the printed circuit board 3 upon rotation of the heat sink 2, the circuit board two with respect to the Symmet- rieachse S opposing insertion holes 19 in the form of through-holes through the circuit board as a Drehmo ⁇ ment introduction structure.
- a turning tool 20 can be inserted, which applies the torque ⁇ torque or the circuit board 3 holds.
- the printed circuit board 3 is inserted onto or into the receptacle 5 by a substantially linear feed movement along the axis of symmetry S.
- the encryption is turning tool is inserted into the insertion holes 19 20, as shown in Figure 3, and then twisted, the circuit board 3 by means of the Ver ⁇ rotary tool 20 and is screwed so ⁇ into the receptacle 5, as shown in Figures 4 and .5 shown.
- 6 shows in a view obliquely from the front a Leuchtvor ⁇ device 21 according to a second embodiment is substantially the same elements as the light emitting device 1 of the first embodiment (shown without a plug 15), now also a fuse element in the form of a fuse ring 22 is mounted.
- the locking ring 22 is, as shown in Figure 7 and Figure 8, screwed after screwing the circuit board 3 in the still free part of the (counter) thread in the side edge 7 of the receptacle 5 and counter the circuit board 3.
- This is a fuse before solving the circuit board 3 is provided.
- electrically non-conductive materials for example, a plastic material
- the clearance and creepage distances sheet ⁇ not redu. The number of components on the circuit board 3 can thus be maintained while maintaining the existing space or even increased.
- the securing element can alternatively be an optical and / or mechanical element (reflector, lens holder, light guide, cover, etc.) with a safety function, which has a corresponding external thread at its lower edge. has, which is screwed into the mating thread in the lateral edge 7 of the receptacle 5.
- the heat sink can also have several shots.
- the shape of the heat sink is not limited and may purely by way of example also have a rectangular or hexagonal base.
- the circuit board may e.g. also have a completely circular outer contour or an outer contour with three or more arcuate segments.
- the insertion holes can also be designed as depressions in the printed circuit board.
- the insertion holes may have a belie ⁇ bige suitable cross-sectional shape, for example round or square.
- a screw cap instead of a screw cap, another rotary closure can also be used, eg a bayonet closure etc.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009047520A DE102009047520A1 (en) | 2009-12-04 | 2009-12-04 | Lighting device and method for mounting a lighting device |
PCT/EP2010/067457 WO2011067095A1 (en) | 2009-12-04 | 2010-11-15 | Lighting device and method for assembling a lighting device |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2480826A1 true EP2480826A1 (en) | 2012-08-01 |
Family
ID=43478197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10779777A Withdrawn EP2480826A1 (en) | 2009-12-04 | 2010-11-15 | Lighting device and method for assembling a lighting device |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120268953A1 (en) |
EP (1) | EP2480826A1 (en) |
CN (1) | CN102639934A (en) |
DE (1) | DE102009047520A1 (en) |
WO (1) | WO2011067095A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013205998A1 (en) | 2013-04-04 | 2014-10-09 | Osram Gmbh | Optoelectronic assembly and method for manufacturing an optoelectronic assembly |
CN106439751B (en) * | 2015-08-04 | 2019-11-26 | 朗德万斯公司 | Electrical connector and lighting device |
CN106610557B (en) * | 2015-10-26 | 2020-04-28 | 深圳光峰科技股份有限公司 | Color wheel assembly and projection device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060098440A1 (en) * | 2004-11-05 | 2006-05-11 | David Allen | Solid state lighting device with improved thermal management, improved power management, adjustable intensity, and interchangable lenses |
EP1993334A2 (en) * | 2007-05-16 | 2008-11-19 | NEC Lighting, Ltd. | Lighting device |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6036336A (en) * | 1998-05-08 | 2000-03-14 | Wu; Chen H. | Light emitting diode retrofitting lamps for illuminated traffic signs |
US20050122713A1 (en) * | 2003-12-03 | 2005-06-09 | Hutchins Donald C. | Lighting |
TWI257991B (en) * | 2004-05-12 | 2006-07-11 | Kun-Lieh Huang | Lighting device with auxiliary heat dissipation functions |
US7186010B2 (en) * | 2004-06-16 | 2007-03-06 | Osram Sylvania Inc. | LED lamp and lamp/reflector assembly |
JP2007273209A (en) * | 2006-03-31 | 2007-10-18 | Mitsubishi Electric Corp | Luminaire, light source body |
CN101413652B (en) * | 2007-10-16 | 2010-11-10 | 富士迈半导体精密工业(上海)有限公司 | LED light source device |
ITVR20070172A1 (en) * | 2007-11-26 | 2009-05-27 | Sergio Macchioni | LIGHTING DEVICE |
US7866850B2 (en) * | 2008-02-26 | 2011-01-11 | Journée Lighting, Inc. | Light fixture assembly and LED assembly |
CN201166770Y (en) * | 2008-03-05 | 2008-12-17 | 李鸿 | Infrared integrated monitoring camera hood |
KR100993059B1 (en) * | 2008-09-29 | 2010-11-08 | 엘지이노텍 주식회사 | Light emitting apparatus |
US20100103675A1 (en) * | 2008-10-27 | 2010-04-29 | Hung-Wen Yu | Led lamp having a locking device |
US7922364B2 (en) * | 2009-03-10 | 2011-04-12 | Osram Sylvania, Inc. | LED lamp assembly |
US8272765B2 (en) * | 2010-06-21 | 2012-09-25 | Light Emitting Design, Inc. | Heat sink system |
US8602608B2 (en) * | 2010-08-27 | 2013-12-10 | Tyco Electronics Nederland B.V. | Light module |
US8602597B2 (en) * | 2010-11-16 | 2013-12-10 | Cree, Inc. | Heat sink retaining structure for light emitting device board assemblies, and methods |
-
2009
- 2009-12-04 DE DE102009047520A patent/DE102009047520A1/en not_active Withdrawn
-
2010
- 2010-11-15 US US13/513,818 patent/US20120268953A1/en not_active Abandoned
- 2010-11-15 WO PCT/EP2010/067457 patent/WO2011067095A1/en active Application Filing
- 2010-11-15 EP EP10779777A patent/EP2480826A1/en not_active Withdrawn
- 2010-11-15 CN CN2010800549979A patent/CN102639934A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060098440A1 (en) * | 2004-11-05 | 2006-05-11 | David Allen | Solid state lighting device with improved thermal management, improved power management, adjustable intensity, and interchangable lenses |
EP1993334A2 (en) * | 2007-05-16 | 2008-11-19 | NEC Lighting, Ltd. | Lighting device |
Non-Patent Citations (1)
Title |
---|
See also references of WO2011067095A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20120268953A1 (en) | 2012-10-25 |
CN102639934A (en) | 2012-08-15 |
WO2011067095A1 (en) | 2011-06-09 |
DE102009047520A1 (en) | 2011-06-09 |
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