EP3788297A1 - Dmd-lichtmodul mit einem klemmend gehaltenen dmd-chip - Google Patents
Dmd-lichtmodul mit einem klemmend gehaltenen dmd-chipInfo
- Publication number
- EP3788297A1 EP3788297A1 EP19723707.6A EP19723707A EP3788297A1 EP 3788297 A1 EP3788297 A1 EP 3788297A1 EP 19723707 A EP19723707 A EP 19723707A EP 3788297 A1 EP3788297 A1 EP 3788297A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit board
- light module
- dmd chip
- carrier element
- window
- 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
Links
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims 1
- 238000009826 distribution Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000003566 sealing material Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 2
- ONNCPBRWFSKDMQ-UHFFFAOYSA-N 2,3',5-trichlorobiphenyl Chemical compound ClC1=CC=CC(C=2C(=CC=C(Cl)C=2)Cl)=C1 ONNCPBRWFSKDMQ-UHFFFAOYSA-N 0.000 description 1
- 101001011989 Homo sapiens Inositol hexakisphosphate kinase 2 Proteins 0.000 description 1
- 102100030212 Inositol hexakisphosphate kinase 2 Human genes 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/39—Attachment thereof
-
- 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
- F21S45/49—Attachment of the cooling means
Definitions
- the present application relates to a light module for a motor vehicle headlight according to the preamble of
- Such a light module is from the
- the light module emits a light beam having a main emission direction. When used as intended, the radiation takes place in an in
- the known light module has a printed circuit board which has a front side and a rear side and which carries on its front side a DMD chip (DMD: Digital Mirror Device).
- the DMD chip has a micromirror Front and one of its front opposite back on.
- the known light module furthermore has a central carrier element which has a front side and a rear side.
- Available DMD chips can have a large number (greater than one million) of micromirrors.
- Each individual micromirror is, for example, only 8 by 8 microns in size. A position of each one
- Micromirror is switchable between two positions. In one position, it reflects incident light from a light source via a primary optic to a secondary optic of the light module, and in the other position reflects the light, for example, onto an absorber.
- Secondary optics forms the arrangement of the micromirrors in the apron of the light module, which at a
- the shape of the light distribution is controllable with a fineness predetermined by the number of pixels and thus by the number of micromirrors, which, for example, enables camera-controlled light distributions in which
- the object of the present invention is in the
- the light module has a cooling element assembly, that the central support element has a carrier element window that the printed circuit board with its front side facing the back of the central support member is arranged so that the front side of the DMD chip covers the support element window, wherein the Micromirror in the opening of the
- Carrier element windows are arranged that the
- Circuit board has a circuit board window, the opening of which is completely or partially covered by a back of the DMD chip, that the cooling element assembly has a cooling die, which extends through the
- Cooling element assembly-side end and at least one support member-side end has and with his
- Cooling element assembly-side end rigidly with one of the back of the circuit board facing the end of the
- Cooling element assembly is connected and with his
- Carrier element-side end is rigidly connected to the carrier element.
- the DMD chip is clamped between the central support member and the cooling element assembly.
- the clamping force acting pressing force is in a by the deformation of the elastic element
- the contact pressure in the assembled state is preferably between 40 N and 110 N.
- the circuit board is freed from occurring in the direction of action of the contact force holding forces. As a result, oscillation of the printed circuit board in vibration-exposed operation of the light module in a motor vehicle is effectively suppressed.
- the circuit board holds the DMD chip only in directions of the PCB level. In these directions, unlike in a transverse direction, the circuit board has high rigidity. As a result, the DMD chip is held securely and firmly in the circuit board level.
- a mechanical mounting of the DMD chip in the socket takes place via lateral narrow sides of the DMD chip.
- the front side and the rear side of the DMD chip are available for other tasks, namely for receiving forces acting transversely to these sides, as a contact surface of a seal and as
- circuit board by
- Adhesive bonds have the advantage that they have smaller gaps between them
- a further preferred embodiment is characterized in that the elastic connecting element is a leaf spring.
- a leaf spring is easy to handle and has the advantage over coil springs, even perpendicular to their direction of spring force still a side guide
- the leaf spring has a carrier element side end, which is rigid with the central
- Carrier element is connected.
- Carrier-side ends of the leaf spring have.
- a further preferred embodiment is characterized in that the leaf spring with its cooling element assemblies end side is non-positively and / or positively connected to a part of the cooling element assembly lying on the back side of the printed circuit board.
- the compound is through
- the size of the micromirrors (e.g., 8 by 8 microns) is in one
- the dust particles can therefore completely or partially cover micromirrors, which is what the light module generates
- Housing front part, the central support element, the DMD chip, a circuit board, the secondary optics and a dust-tight pressure compensation diaphragm is dust-tight sealed and limited.
- FIG. 2 shows a DMD chip
- Figure 3 shows another embodiment of a
- Figure 4 is an oblique view of the back of a central
- Figure 5 is a plan view of the front of a
- central support element with a board, carrier element window and an inner space-side flange portion of the central support member
- Figure 6 is a complementary to the central support member of Figure 5 housing front part
- Figure 7 is a plan view of a back side of a
- Embodiment of a light module according to the invention Embodiment of a light module according to the invention.
- Figure 1 shows in detail a sectional view of a motor vehicle headlight 10 with a housing 12, the light exit opening is covered by a transparent cover 14.
- the cutting plane is at a designated
- a light module 16 is spanned.
- the light module 16 has inter alia a light source 18, a primary optics 20, a DMD chip 22, a secondary optics 24 and an absorber 25.
- the light module 16 also has a printed circuit board 26, a central support element 28, a cooling element assembly 30 and an elastic
- the printed circuit board 26 has a front side 260, a
- the DMD chip 22 has a micromirror 222-bearing front side 224 and one of its front side 224 opposite
- the central carrier element 28 has a front side 282, a rear side 284 and a carrier element window 286.
- the circuit board 26 is with its front 260 of the
- Printed circuit board window 264 is completely or partially covered by the rear side 226 of the DMD chip 22.
- the cooling element assembly 30 has a cooling punch 302, which is supported by the PCB window 264 on the back 226 of the DMD chip 22. Incidentally, i.e., with the portion 304 of the cooling element assembly 30 which does not project through the PCB window 264 between the circuit board 26 and the central one
- Carrier element 28 is the cooling element assembly 30 is on the back 262 of the circuit board 26 is arranged.
- the elastic connecting element 32 has at least one cooling element assembly-side end 322 and at least one support element-side end 324.
- the elastic connecting element 32 With its cooling element assembly-side end 322, the elastic connecting element 32 is rigidly connected to the remaining part 304 of the cooling element assembly 30 arranged on the rear side 262 of the printed circuit board 26.
- the light source 18 is a semiconductor light source 182 which is arranged on a circuit board 35 and which emits light 34 in the direction of the primary optics 20.
- the primary optic 20 directs the light 34 incident from the semiconductor light source 182 onto the micromirrors 222 arranged on the front side 224 of the DMD chip 22. How and with which optical elements of the primary optics 20 this is done in detail, is not for the invention
- the primary optics 20 have a concave mirror reflector.
- the reflector will be described in detail below.
- the optical element is preferably a lens or a
- a pivotal position of the micromirrors 222 is individual for each micromirror or at least for different groups (subsets) of the micromirrors 222 between a first pivotal position and a second pivotal position switchable. Each micromirror, which is in the first pivot position, directs this to him from the
- Each micromirror which is located in the second pivot position, deflects the light 34 incident on it from the primary optics 20 so that this light 342 does not fall on the secondary optics 24. For example, this light 342 is directed to the absorber 25 and absorbed there, so that it can not produce any disturbing light effects.
- the secondary optics 24 directs the light 34 incident on them from the DMD chip 22 into the apron of the light module 16. When the light module 16 is used as intended, this light 34 illuminates the road ahead of the motor vehicle.
- the secondary optics 24 has a secondary optic lens 242 of transparent plastic or glass.
- the secondary optics 24 can also several components
- Lens for example, an arrangement of an achromatic lens and an imaging lens.
- the DMD chip 22 has two broad sides in the form of the front side 224 and the rear side 226, the front side 224 and the rear side 226 being located between lateral narrow sides 228
- the front side 224 of the DMD chip 22 has a central chip area in which the micromirrors 222 are arranged, and has the central chip area in a closed curve
- Micromirror 222 are arranged.
- the number of micromirrors is about 1.3 million, arranged in a matrix of 1152 columns and 1152 rows.
- Figure 2 also shows that the DMD chip 22 in a socket 266 of the circuit board 26 is arranged and held.
- the mechanical support of the DMD chip 22 in the socket 266 via the lateral narrow sides 228 and possibly additionally on parts of the back 226 of the DMD chip 22, and the electrical contacting is also via the lateral narrow sides 228 and / or on the Rear side 226 of the DMD chip 22 from the circuit board 26 from.
- the circuit board 26 is fixed to the central
- Carrier element 28 connected. The connection is made
- the circuit board 26 exerts no perpendicular to the surface of the circuit board 26 and the front side 224 of the DMD chip 22 acting contact force. However, the circuit board 26 holds the DMD chip 22 with its socket 266 in tangential to the front side 224 of the DMD chip 22 and the circuit board 26 lying directions.
- the contact pressure is of the
- elastic connecting element 32 generates as restoring force of an elastic deformation, which is the elastic
- the central support element 28 has screw domes 289 which extend from the rear side 284 of the protrude central support member 28. On their ends remote from the rear side 284, the screw domes 289 have receptacles for the carrier element-side ends 324 of the leaf spring 326.
- the leaf spring 326 With its cooling element assembly-side end 322, the leaf spring 326 is non-positively and / or positively connected to the lying on the back 262 of the circuit board 26 remaining part 304 of the cooling element assembly 30. In the figure 1, this connection is made by
- Cooling element assembly 30 which prevent the cooling element assemblies side end 322 of the leaf spring 326 to move to the circuit board 26.
- Cooling element assembly 30 supported by the PCB window 264 on the back 226 of the DMD chip 22, resulting in the assembly of the light module 16 before making the screw initially a distance between the leaf spring-side ends of the screw domes 289 and the support member-side ends 324 of Leaf spring 326 in a direction perpendicular to the back 262 of the circuit board 26 direction.
- Cooling stamp 302 is transmitted through the PCB window 264 on the back of the 226 of the DMD chip 22 and this on the back edge of the
- Carrier element window 286 presses.
- the production takes place the screw connection between the leaf-spring-side ends of the screw domes 289 and the carrier-element-side ends 324 of the leaf spring 326 preferably in two steps:
- the screw is only so far that the elastic connecting member 30 is not yet generates its full restoring force, wherein the
- the circuit board 26 is initially floating in the receptacles 288 of the central support member 28 in the circuit board plane movable. In this state, the
- Printed circuit board 26 with the help of a camera and
- Image processing supported alignment system together with the fixed in the base 266 of the PCB 26 DMD chip 22 aligned so that the directions in which the micromirrors reflect from the primary optics 20 ago 34 incident light corresponds to the desired desired directions. After alignment, the
- Figure 3 shows a preferred embodiment of a According to the light module 160.
- This interior 38 is by a front housing part 40, the central
- Carrier element 28 the DMD chip 22, the board 35, the secondary optics 24 and a dustproof
- Pressure compensating diaphragm 32 limited. Dustproofness can be achieved up to class IP6K2. Under certain circumstances, this requires installation under clean room conditions.
- the front side 282 of the central support element 28 faces the interior 38.
- the central support element 28 has a light source and primary optic side first
- the two sections 281 and 283 include an angle which is greater than 90 °, but less than 180 °.
- the central support element 28 is preferably made of metal and also serves as a heat sink, which receives the heat released in the light source 18 and emits heat to the environment of the light module 160. The last sentence applies to all embodiments.
- the circuit board 35 is fixedly connected to the front side 282 of the central support member 28 in its first portion 281.
- the connection is for example one
- a front side 352 of the board 35 carries the semiconductor light source 182
- a back 354 of the board 35 is the front 30.1 of facing central support member 30.
- An example of a lateral direction 37 is shown in FIG. Other lateral directions are perpendicular to the plane of the drawing.
- Carrier element 28 forms part of an interior space-side flange region of the central carrier element 28.
- the carrier element window 286 is arranged in the second partial region 283 of the central carrier element 28.
- Carrier element window 286 circumferential window edge region forms on the back 284 of the central support member 28 has a window flange portion.
- Carrier element 28 is the window flange area
- a DMD chip seal 44 in the form of a flat gasket which is held by the flange regions with a contact force pressing against these flange regions and which rotates the support element window 286 in a closed curve.
- the central region of the rear side of the DMD chip 16 serves as an interface for the dissipation of heat from the DMD chip 16 and therefore has no electrical connections.
- the circuit board 26, which carries the DMD chip 22, is completely outside the sealed interior 38.
- Rear side 284 of the central support member 28 arranged window flange portion of the support member window 286 and the spring-loaded cooling punch 302 clamped, as has been explained with reference to Figure 1.
- the contact force generated by the elastic connecting element 32 is simultaneously exerted on the DMD chip seal 44, which contributes to the dust-tight sealing of the interior 38.
- FIG. 4 shows an oblique view of the rear side 284 of a central carrier element 28 before the assembly of the DMD chip 22.
- the central carrier element 28 has on it
- FIG. 5 shows schematically a top view of the
- Carrier element 28 which has the shape of a closed curve. The curve lies in that in FIG. 3
- Subareas 281 and 283 make an angle with each other
- the curve forms a curve running in space and therefore spatial.
- a flat gasket or a flange reinforcement 46 can rest, in the assembled state with the housing front part 40 to a
- FIG. 6 shows the housing front part 40 that is complementary to the central support element 28 from FIG. 5.
- an inside of the front part 40 of the housing facing the interior 38 of the light module 160 is visible with a housing flange area 404.
- the shape of the housing flange portion 404 is a negative of the shape of the outer flange portion 287 of the central support member 28 such that both flange portions 404, 287 are in planar contact along the entire length of the spatial curve of the flange portions upon assembly of the front housing member 40 and central support member 28 or touch a gasket lying between them each flat.
- Housing flange portion 404 is located over the entire length of a seal 406 on.
- the housing front part 40 has a housing window 402. About the length of the edge of the
- Housing window 402 rests on the edge of a seal 408.
- the seals 406 and 408 are preferably sealing lips made of sealing material which is integrally formed on the preferably made of plastic housing front part 40.
- Sealing material is for example a plastic
- deformable plastic for example silicone.
- Silicone has the advantage that it can be baked out before assembly, resulting in later impairments of optical
- the gasket 406 is compressed between the flange portions 404 and 287, and the gasket 408 is compressed between the flange reinforcement 46 or the circuit board 35 on one side and the edge of the
- Housing window 402 squeezed on the other side.
- the light module 160 preferably has screw connections, with which the flange regions 404 and 287 contact each other be pressed.
- the housing front part 40 and the central support element 28 surround the interior 38.
- a light source 18 and the primary optics 20 bearing front side 352 of the board 35 is the
- Housing front part 40 facing.
- the housing front part 40 has in a part of the housing front part 40, which faces the circuit board 35, the housing window 402.
- the housing window 402 allows electrical connection of the dust-tight sealed interior 38 of the
- Light module 160 arranged electrical components, in particular the light source 18, with an externally brought up harness 50th
- the edge of the housing window 402 forms on its side facing the board 35 a
- the board 35 covers the housing window 402 dustproof.
- the shape of the front housing part 40 is matched to the position of the board 35 on the central support member 28 so that a contact between the board 35 and the Genzouserousflansch, or between the board 35, the seal 408 and the GeHouseivelyflansch already done when between the Housing flange portion 404 and the inner side flange portion 287 of the central support member 28 is still a small distance.
- the seals 406 and 408 thus lie in relation to one another offset density levels. The extending around the broad sides of the board 35 around
- the narrow side of the board 35 lies in its entire length within the interior 38.
- the electrical contact does not have to run in a sealing plane, or not through a seal, which improves the reliability of the seal.
- the housing front part 40 has a light exit opening 401.
- the clear width of the light exit opening 401 encircling edge of
- Front housing part 40 is configured as an inner sealing area 403 of the front housing part 40.
- the inner sealing portion 403 is also covered with sealing material.
- Light exit opening 401 is surrounded by the secondary optics 24 and an edge of the secondary optics 24
- FIG. 7 shows a top view of the rear side 284 of a central carrier element 28, the rear side 262 of FIG
- the elastic element need not be realized as a single leaf spring. It can also be called as Spiral spring, be realized as an arrangement of coil springs or leaf springs or as a block of elastic material or as an arrangement of a plurality of such blocks.
- the cooling element assembly 30 preferably has
- the light module preferably has a fan, which flows against the cooling fins and / or pins with cooling air.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018110587.8A DE102018110587A1 (de) | 2018-05-03 | 2018-05-03 | DMD-Lichtmodul mit einem klemmend gehaltenen DMD-Chip |
PCT/EP2019/061194 WO2019211356A1 (de) | 2018-05-03 | 2019-05-02 | Dmd-lichtmodul mit einem klemmend gehaltenen dmd-chip |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3788297A1 true EP3788297A1 (de) | 2021-03-10 |
EP3788297B1 EP3788297B1 (de) | 2024-03-20 |
Family
ID=66529990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19723707.6A Active EP3788297B1 (de) | 2018-05-03 | 2019-05-02 | Dmd-lichtmodul mit einem klemmend gehaltenen dmd-chip |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3788297B1 (de) |
CN (1) | CN112752923B (de) |
DE (1) | DE102018110587A1 (de) |
WO (1) | WO2019211356A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3904756A1 (de) * | 2020-04-28 | 2021-11-03 | ZKW Group GmbH | Beleuchtungsvorrichtung für einen kraftfahrzeugscheinwerfer |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999056166A2 (de) * | 1998-04-28 | 1999-11-04 | Carl Zeiss Jena Gmbh | Projektionseinrichtung |
DE19822142C2 (de) * | 1998-05-16 | 2000-08-17 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Erzeugen eines vor einem Kraftfahrzeug auf die Fahrbahn auftreffenden Lichtbündels |
JP4343032B2 (ja) * | 2004-05-31 | 2009-10-14 | 株式会社東芝 | 冷却構造および投射型画像表示装置 |
JP2006133409A (ja) * | 2004-11-04 | 2006-05-25 | Funai Electric Co Ltd | プロジェクタ |
EP2966344B1 (de) * | 2014-06-30 | 2022-01-12 | Valeo Vision | Optisches modul mit linse für kfz-scheinwerfer |
JP2016194607A (ja) * | 2015-03-31 | 2016-11-17 | キヤノン株式会社 | 保持装置、投影装置、計測装置及び保持方法 |
US9819916B2 (en) * | 2015-12-25 | 2017-11-14 | Ricoh Company, Ltd. | Movable apparatus, image generation apparataus, and image projection apparatus |
AT518266B1 (de) * | 2016-02-24 | 2017-09-15 | Zkw Group Gmbh | Halterungsvorrichtung für ein elektronisches Bauteil |
AT518344B1 (de) * | 2016-03-03 | 2019-02-15 | Zkw Group Gmbh | Bauteilgehäuse eines Fahrzeugscheinwerfers |
FR3056690B1 (fr) * | 2016-09-26 | 2019-08-02 | Valeo Vision | Module optique lumineux de vehicule automobile |
FR3056686B1 (fr) * | 2016-09-28 | 2020-05-29 | Valeo Vision | Fixation d'une matrice de micro-miroirs dans un dispositif lumineux |
AT519118B1 (de) * | 2016-11-24 | 2018-04-15 | Zkw Group Gmbh | Scheinwerfermodul für Fahrzeuge |
CN206589778U (zh) * | 2017-03-03 | 2017-10-27 | 长城汽车股份有限公司 | 前照灯的调节机构 |
DE102017006440A1 (de) * | 2017-07-07 | 2018-02-08 | Daimler Ag | Fahrzeugfrontverkleidung eines Kraftfahrzeuges, Kraftfahrzeug |
CA3004576C (en) * | 2017-09-29 | 2020-08-25 | Putco, Inc. | Led lamp with a flexible heat sink |
DE102018107678A1 (de) * | 2018-03-29 | 2019-10-02 | Automotive Lighting Reutlingen Gmbh | Mikrospiegel aufweisendes Lichtmodul für einen Kraftfahrzeugscheinwerfer |
-
2018
- 2018-05-03 DE DE102018110587.8A patent/DE102018110587A1/de active Pending
-
2019
- 2019-05-02 CN CN201980029094.6A patent/CN112752923B/zh active Active
- 2019-05-02 EP EP19723707.6A patent/EP3788297B1/de active Active
- 2019-05-02 WO PCT/EP2019/061194 patent/WO2019211356A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN112752923A (zh) | 2021-05-04 |
EP3788297B1 (de) | 2024-03-20 |
CN112752923B (zh) | 2022-12-02 |
DE102018110587A1 (de) | 2019-11-07 |
WO2019211356A1 (de) | 2019-11-07 |
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