EP3301349A1 - Optisches modul für kraftfahrzeug - Google Patents
Optisches modul für kraftfahrzeug Download PDFInfo
- Publication number
- EP3301349A1 EP3301349A1 EP17191739.6A EP17191739A EP3301349A1 EP 3301349 A1 EP3301349 A1 EP 3301349A1 EP 17191739 A EP17191739 A EP 17191739A EP 3301349 A1 EP3301349 A1 EP 3301349A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- module
- optical
- field correction
- face
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 97
- 239000011159 matrix material Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000007547 defect Effects 0.000 claims abstract description 5
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 230000004075 alteration Effects 0.000 description 8
- 230000003044 adaptive effect Effects 0.000 description 5
- 235000021183 entrée Nutrition 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 239000002964 rayon Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/26—Elongated lenses
-
- 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
- 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
- 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
- F21S41/19—Attachment of light sources or lamp holders
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/29—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
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
- F21Y2105/16—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
-
- 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]
Definitions
- the invention relates to a motor vehicle optical module which is capable of producing a segmented light beam.
- Optical modules of this type are already known. They are capable of transmitting longitudinally forward a final light beam called “multibeam” or "pixel beam".
- the final light beam projects forward an image of the matrix of elementary light sources. By selectively switching on or off each of the elementary sources, it is possible to create a final light beam illuminating specific areas of the road in front of the vehicle, while leaving other areas in the dark.
- Such an optical module is used in particular in front lighting devices to achieve an adaptive lighting function also called "ADB", acronym for the English expression "Adaptive Driving Beam”.
- ADB adaptive lighting function
- Such an ADB function is intended to automatically detect a user of the road likely to be dazzled by a beam of light emitted in high beam mode by a projector, and to modify the contour of this lighting beam in such a way that to create a shadow zone at the location of the detected user while continuing to illuminate the long-range road on both sides of the user.
- the advantages of the ADB function are multiple: comfort of use, better visibility compared to a lighting in dipped beam mode, risk of dazzling greatly reduced, driving safer ...
- Such a module generally comprises a matrix of primary light sources, generally formed by light-emitting diodes (LEDs), a first primary optical element comprising a plurality of light guides and a projection optics.
- the light-emitting diodes are arranged on a plane printed circuit board which extends in a plane orthogonal to the projection direction of the final light beam.
- the light guides of the primary optical element extend generally longitudinally from an entry face of the light to an exit face of the light.
- the light guides are intended to conform the rays emitted by the light-emitting diodes into a narrower luminous brush having the shape of a pixel, generally rectangular or square.
- the output faces of the light guides form the matrix of secondary elementary light sources imaged by the projection optics.
- Such a module requires that the projected image of the secondary elementary light sources has a controlled light distribution and sharpness so that the final light beam formed by the assembly of the images of the secondary elementary light sources has a homogeneous light distribution. This ensures that the driver of the vehicle is not disturbed by light variations due to light intensity dispersions, for example in areas where multiple images of secondary elementary sources are superimposed.
- Such an optical module is, however, likely to be subjected to optical aberrations such as spherical aberration, coma aberration, distortion aberration, astigmatism, field curvature aberration, etc.
- the present invention relates more particularly to the resolution of the problems posed by the field curvature aberration also called "Petzval field curvature".
- the projection optics is supposed to have an object focal surface formed by a plane orthogonal to the optical axis of said optics.
- this object focal surface actually has a concave spherical curvature.
- the secondary elementary light sources of the matrix in our case the output faces of the light guides, are arranged in a plane orthogonal to the optical axis of the projection optics, only the secondary elementary light sources located on the focal surface curved object will be projected sharply.
- the other secondary elementary light sources located in front of or behind the curved object focal surface will be projected in a more or less fuzzy manner according to their longitudinal distance with respect to the object focal surface.
- the structure of the primary optical element so that the output faces of the light guides are arranged on a curved surface matching the curvature of the real object focal surface of the projection optics.
- the light-emitting diodes being carried by a flat printed circuit board, the input faces of the light guides are arranged in the same plane.
- the light guides located at a distance from the optical axis of the projection optics have a length greater than that of the light guides located near the optical axis.
- the length of the light guides at the ends of the primary optical element is such that the choice of material for producing the primary optical element is limited, for example, to silicone. In particular, it is not possible to produce light guides made of polycarbonate or PMMA.
- the optical field correction element is designed so that the image of the curved focal surface of the projection optic by the optical field correction element is an object focal plane in coincidence with the emission plane of the matrix of elementary light sources. Thus, all the light sources are clearly imaged by the projection optics despite its lack of field.
- the invention also relates to a motor vehicle lighting device of the front projector type which comprises the optical module made according to any one of the preceding claims.
- the lighting device further comprises a dipped beam module.
- the vertical orientation "V" is used as a geometrical reference unrelated to the direction of gravity.
- FIG. 1 an optical module 10 which is intended to equip a lighting or signaling device for a motor vehicle.
- the optical module 10 is intended to emit a final light beam longitudinally forwards.
- This is an adaptive light beam that is composed of a plurality of overlapping elementary beams.
- Such an optical module 10 is particularly capable of fulfilling an adaptive driving beam function, also known by the name "ADB” for "Adaptive Driving Beam”, or it is also capable of performing a directional lighting function, also known as "DBL” for "Dynamic Bending Light”.
- ADB adaptive driving beam function
- DBL directional lighting function
- the lighting device comprises at least the optical module.
- the optical module 10 mainly comprises means 12 for light emission and a projection optic 14 which is arranged longitudinally forward and away from the transmission means 12.
- the projection optic 14 has a longitudinal optical axis "A"
- the lighting device further comprises a second dipped-beam module which is able to emit a single passing beam.
- the means 12 for light emission here comprise a matrix 16 of primary light sources 18 for light emission. These are electroluminescent diodes 18.
- the matrix 16 is equipped with two transverse rows of seventeen light-emitting diodes 18.
- the "A" optical axis passes substantially in the middle of the matrix 16 in the transverse direction.
- the matrix 16 extends in a plane orthogonal to the longitudinal direction "L". More particularly, the diodes 18 electroluminescent are here borne by the front face of a printed circuit board.
- electroluminescent diodes 18 are capable of emitting heat during their operation.
- a heat sink 22 with cooling fins is therefore attached to the back of the printed circuit board 20 to remove heat.
- the light-emitting diodes 18 emit light rays in a very open cone of light.
- each light-emitting diode 18 has a transmitting surface the dimensions of which must be suitable for effective use by the optical module.
- the optical module comprises a first primary optical element 24 is arranged longitudinally in front of the matrix 16 of 18 electroluminescent diodes to change the distribution of light rays emitted.
- the primary optical element 24 here comprises a first rear portion 24A which is formed of a plurality of light guides 26.
- Each light guide 26 extends along a main longitudinal axis from an inlet face 28 to a front end face 30 of the light rays, in particular visible at the figure 4 .
- Each light guide 26 is designed to guide the rays entering through the input face 28 to the exit face 30.
- each output face 30 forms a secondary elementary light source which will be referred to as "secondary elementary light source 30".
- the rear portion 24A comprises a matrix comprising at least as many light guides 26 as the matrix 16 comprises light-emitting diodes 18. Each light guide 26 is associated with an electroluminescent diode 18. Thus, the rear portion 24A comprises two rows of seventeen light guides 26.
- the input faces 28 of the light guides 26 are arranged in a common plane which is parallel to the plane of the printed circuit board.
- each input face 28 is thus positioned longitudinally vis-a-vis and close to an associated light-emitting diode 18, as illustrated in FIG. figure 4 , so that most of the light rays emitted by each light-emitting diode 18 enter the associated light guide 26.
- each light guide 26 is capable of having a section adapted to produce a primary elementary light beam emerging from the desired shape for the function of the optical module 10 equipping the lighting or signaling device.
- the output faces of the light guides 26, forming secondary light sources 30, are arranged in a common emission plane "P" which is parallel to the plane of the printed circuit board 20, as indicated in FIG. figure 4 . In this way, the light guides 26 all have the same length.
- the exit faces of the light guides 26 thus form a matrix of secondary elementary light sources, here two rows of seventeen secondary sources, each of which is capable of emitting a primary elementary beam in a longitudinal main direction of projection from the common plane "P" emission orthogonal to the longitudinal direction "L".
- the output faces, forming secondary elementary light sources are arranged in close proximity to each other, for example 0.1 mm apart from each other.
- the primary optical element 24 also comprises a portion 24B before shaping the primary elementary light beams emitted by the elementary light sources 30 secondary. This portion 24B before allows for example to spread the elementary light beams vertically and / or horizontally.
- the front portion 24B has a front end face 32 common output of light rays of the primary optical element.
- This front portion 24B is here made integrally with the light guides 26 so that the primary optical element 24 is made in one block.
- the primary optical element 24 is for example made of silicone, polycarbonate, polymethyl methacrylate (PMMA) or any other material suitable for producing guides 26 of light.
- the projection optic 14 is arranged longitudinally at a distance ahead of the "P" emission plane.
- the projection optic 14 is capable of projecting an image of the secondary elementary light sources towards infinity to form the final light beam.
- each secondary elementary luminous source 30 makes it possible to illuminate an area of the screen. The zones overlap slightly so as to illuminate evenly.
- Each diode 18 is individually controlled so as to selectively illuminate each of the areas of the screen.
- the projection optics 14 is here produced in a single block.
- the projection optic 14 has an object focal surface "S" extending generally orthogonal to the optical "A" axis which it intersects at the object focus.
- each secondary elementary luminous source 30 is be located on the focal surface object of the projection optics 14.
- the projection optic 14 is supposed to have a plane object-flat surface that is perfectly orthogonal to the optical "A" axis.
- the projection optic 14 has an object focal surface having a concave spherical curvature defect. Such a defect is called Petzval field aberration.
- a second optical field correction element 34 is interposed between the emission plane "P" and the projection optics 14. This optical field correction element 34 is specifically designed to correct the field curvature aberration of the projection optics 14.
- the optical field correction element 34 is shaped such that, seen from the primary optical element 24, the image of the curved focal surface "S" of the projection optic 14 by the optical correction element 34 The field of view extends into an object focal plane in coincidence with the "P" plane of emission of the matrix of secondary elementary light sources.
- the projection optics 14 will have been previously positioned so that the objective "S” object surface is tangent with the "P" emission plane, the optical field correction element 34 having the effect of smoothing the surface. S “object focal point to the plane” P "emission.
- the optical field correction element 34 is formed by at least one field correction lens also known by its English name of "field flattener lens".
- the optical field correction element 34 comprises a single field correction lens which will therefore be referenced 34 thereafter.
- the optical field correction element comprises a plurality of field correction lenses arranged in series along the optical axis.
- the optical field correction element 34 has a rear light ray entry face 36 which is arranged longitudinally at a distance from the emission plane "P".
- the input face 36 of the optical field correction element 34 is arranged longitudinally at a distance from the output face 32 of the primary optical element 24.
- the input face 36 of the field correction lens is concave at its center near the optical "A" axis.
- the input face 36 of the field correction lens is convex at its periphery radially away from the optical axis.
- the optical field correction element 34 has a front face 38 for outputting the light rays.
- This exit face 38 is arranged longitudinally vis-a-vis and remote from the projection optic 14.
- the exit face 38 here has a convex shape.
- the optical field correction element 34 By virtue of the arrangement of the optical field correction element 34 between the primary optical element 24 and the projection optic 14, it is possible to produce short light guides 26 having an identical length. The primary optical element 24 is thus easier to manufacture.
- the primary optical element 24 according to the invention is thus capable of being obtained in polycarbonate while the primary optical elements according to the state of the art having very long light guides can only be made in silicone.
- the primary optical element 24 made according to the teachings of the invention can be made of silicone.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1659371A FR3056692B1 (fr) | 2016-09-29 | 2016-09-29 | Module optique pour vehicule automobile |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3301349A1 true EP3301349A1 (de) | 2018-04-04 |
EP3301349B1 EP3301349B1 (de) | 2019-04-24 |
Family
ID=57680408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17191739.6A Active EP3301349B1 (de) | 2016-09-29 | 2017-09-19 | Optisches modul für kraftfahrzeug |
Country Status (4)
Country | Link |
---|---|
US (1) | US10480742B2 (de) |
EP (1) | EP3301349B1 (de) |
CN (1) | CN108302464B (de) |
FR (1) | FR3056692B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3421875A1 (de) * | 2017-06-29 | 2019-01-02 | Valeo Vision | Leuchtmodul, das ein optisches feldkorrekturelement umfasst |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3079470A1 (fr) | 2018-04-03 | 2019-10-04 | Valeo Vision | Dispositif lumineux de vehicule automobile ayant au moins une source lumineuse pixelisee |
JP7176810B2 (ja) | 2018-06-21 | 2022-11-22 | スタンレー電気株式会社 | 車両用灯具 |
CN109268774A (zh) * | 2018-10-25 | 2019-01-25 | 华域视觉科技(上海)有限公司 | 一种双排矩阵式照明模组及其辅助照明方法 |
US11466832B2 (en) | 2018-10-25 | 2022-10-11 | HASCO Vision Technology Co., LTD | Mounting structure of primary optical element for vehicle headlamp, vehicle lamp and vehicle |
CZ2022145A3 (cs) * | 2022-04-05 | 2023-10-18 | Hella Autotechnik Nova, S.R.O. | Svítilna pro automobil a způsob její výroby |
KR20240084325A (ko) * | 2022-12-06 | 2024-06-13 | 현대모비스 주식회사 | 차량용 램프 모듈 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2587125A2 (de) * | 2011-10-27 | 2013-05-01 | Automotive Lighting Reutlingen GmbH | Scheinwerferprojektionsmodul für ein Kraftfahrzeug |
EP2743567A1 (de) * | 2012-12-14 | 2014-06-18 | Valeo Vision | Optisches Hauptelement, Beleuchtungsmodul und Scheinwerfer für Kraftfahrzeug |
EP2871406A1 (de) * | 2013-11-07 | 2015-05-13 | Valeo Vision | Optisches Hauptelement, Beleuchtungsmodul und Scheinwerfer für Kraftfahrzeug |
WO2015107678A1 (ja) * | 2014-01-17 | 2015-07-23 | 三菱電機株式会社 | 車載用前照灯 |
EP2975318A1 (de) * | 2014-07-18 | 2016-01-20 | Stanley Electric Co., Ltd. | Fahrzeugbeleuchtungshalterung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008061556A1 (de) * | 2008-12-11 | 2009-09-24 | Daimler Ag | Beleuchtungseinrichtung für ein Fahrzeug |
DE102009053581B3 (de) * | 2009-10-05 | 2011-03-03 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für eine Beleuchtungseinrichtung eines Kraftfahrzeugs |
JP6270033B2 (ja) * | 2014-02-17 | 2018-01-31 | スタンレー電気株式会社 | 車両用灯具 |
US9873372B2 (en) * | 2014-12-19 | 2018-01-23 | Sl Corporation | Adaptive driving beam headlamp for vehicle |
-
2016
- 2016-09-29 FR FR1659371A patent/FR3056692B1/fr not_active Expired - Fee Related
-
2017
- 2017-09-19 EP EP17191739.6A patent/EP3301349B1/de active Active
- 2017-09-28 CN CN201710904799.0A patent/CN108302464B/zh active Active
- 2017-09-29 US US15/720,034 patent/US10480742B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2587125A2 (de) * | 2011-10-27 | 2013-05-01 | Automotive Lighting Reutlingen GmbH | Scheinwerferprojektionsmodul für ein Kraftfahrzeug |
EP2743567A1 (de) * | 2012-12-14 | 2014-06-18 | Valeo Vision | Optisches Hauptelement, Beleuchtungsmodul und Scheinwerfer für Kraftfahrzeug |
EP2871406A1 (de) * | 2013-11-07 | 2015-05-13 | Valeo Vision | Optisches Hauptelement, Beleuchtungsmodul und Scheinwerfer für Kraftfahrzeug |
WO2015107678A1 (ja) * | 2014-01-17 | 2015-07-23 | 三菱電機株式会社 | 車載用前照灯 |
EP2975318A1 (de) * | 2014-07-18 | 2016-01-20 | Stanley Electric Co., Ltd. | Fahrzeugbeleuchtungshalterung |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3421875A1 (de) * | 2017-06-29 | 2019-01-02 | Valeo Vision | Leuchtmodul, das ein optisches feldkorrekturelement umfasst |
FR3068435A1 (fr) * | 2017-06-29 | 2019-01-04 | Valeo Vision | Module lumineux comportant un element optique de correction de champ |
US10823357B2 (en) | 2017-06-29 | 2020-11-03 | Valeo Vision | Luminous module including a field-correcting optical element |
Also Published As
Publication number | Publication date |
---|---|
FR3056692B1 (fr) | 2020-05-29 |
US20180087736A1 (en) | 2018-03-29 |
CN108302464A (zh) | 2018-07-20 |
EP3301349B1 (de) | 2019-04-24 |
FR3056692A1 (fr) | 2018-03-30 |
CN108302464B (zh) | 2022-01-28 |
US10480742B2 (en) | 2019-11-19 |
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