EP4251915A1 - Fahrzeugscheinwerfer - Google Patents
FahrzeugscheinwerferInfo
- Publication number
- EP4251915A1 EP4251915A1 EP21802735.7A EP21802735A EP4251915A1 EP 4251915 A1 EP4251915 A1 EP 4251915A1 EP 21802735 A EP21802735 A EP 21802735A EP 4251915 A1 EP4251915 A1 EP 4251915A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- projection lens
- projections
- common
- common projection
- optical axis
- 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
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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- 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
- F21S41/275—Lens surfaces, e.g. coatings or surface structures
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
- F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
- F21W2102/155—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having inclined and horizontal cutoff lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
- F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
- F21W2102/16—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having blurred cut-off lines
Definitions
- the invention relates comprehensively to a vehicle headlight
- the low beam module for this purpose comprising at least one light source
- the high-beam module for generating a high-beam distribution, the high-beam module comprising at least one light source for this purpose,
- the two light modules being assigned the projection lens as a common projection lens and the beam shield as a common beam shield, in that the light sources are each arranged in such a way that the common beam shield is in the beam path from the respective light source to the common projection lens, in order to limit the light distribution emitted by the common projection lens, and the common projection lens is arranged in the beam path of the two light modules in such a way that the light beams emitted by the light modules and passing through the common beam stop can be imaged by the common projection lens in the form of a superimposed light distribution onto a roadway, with the common projection lens has an optical axis.
- Such vehicle headlights have become known from the prior art.
- a particular challenge when superimposing the light images of the two light modules is to design the superimposition in such a way that the transition between the light images is as seamless as possible. To do this, the light modules are carefully aligned in relation to the common beam stop.
- a disadvantage of known headlights is that the transition can only be made sufficiently smooth by complex measures and/or gaps or color distortions in the transition area are acceptable. It is therefore an object of the invention to overcome the disadvantages of the prior art. This object is achieved with a vehicle headlight of the type mentioned in the introduction, in which, according to the invention, the common projection lens has on its exit side a first deflection section which extends upwards and downwards transversely to the optical axis along the circumference of the projection lens and is arranged on the surface of the projection lens.
- the exit side of the common projection lens is formed by projections arranged next to one another, which are each delimited by the connection of a first flank facing the optical axis and a second flank facing away from the optical axis, the totality of the projections being at least projections of a first type includes, in which these flanks are formed substantially asymmetrically to each other.
- flanks are asymmetrical to one another means that the flanks are asymmetrical in relation to an axis that intersects the amplitude of the projection and is oriented normal to a tangent to the basic shape of the exit surface in the region of the projection.
- the basic shape is again given by a smoothed geometric progression of the exit surface (i.e. a shape that would be given if the projections were flattened if they were omitted).
- first deflection section extending upwards and downwards transversely to the optical axis along the circumference of the projection lens means that the deflection section has a vertical extent - which is clearly upwards and downwards in relation to a point lying within the section. The following follows the portion of the surface curvature of the exit side of the fin.
- the asymmetry of the projections of the first type is formed in that the second flank of the respective projection is flatter than its first flank.
- the flanks do not necessarily have to have a constant gradient.
- the asymmetry can apply to all protrusions.
- the entirety of the projections comprises at least projections of a second type, in which the falling and the rising edge essentially are formed symmetrically to each other.
- the term "essentially” means that deviations of a maximum of 10% are permissible. It can also be provided that the entirety of all projections consists exclusively of projections of the first type and of the second type.
- the optical axis of the common projection lens is oriented essentially horizontally, and the high beam module is offset downwards in relation to the beam shield and the low beam module is offset upwards in relation to the beam shield.
- position information such as “above”, “below”, “horizontal” etc. always refers to an installation position of the headlight in which the headlight is mounted in a vehicle which in turn is in a horizontal position.
- the low-beam module and the high-beam module each have a main emission direction, with the two modules being inclined in relation to the optical axis of the common projection lens in such a way that their main emission directions enclose the same angle in relation to the optical axis of the common projection lens.
- the term "same angle" means that the amount of the angle is the same.
- One of the light modules is therefore rotated upwards by an angle, and the other light module is rotated downwards by the same angle. Light rays at the light edge are therefore parallel to one another .
- adjacent projections adjoin one another in the vertical direction along the circumference of the exit side of the common projection lens.
- the first deflection section is arranged in a central area of the common projection lens.
- the “middle area” is understood to be an area that extends upwards and downwards, starting from the point of intersection of the optical axis of the projection lens with the exit surface, over a length of 25% of the circumference of the exit surface.
- the first section comprises two subsections, with a first subsection above the optical axis of the common projection lens and a second sub-section is located below the optical axis of the common projection lens, wherein the asymmetry of the protrusions provided in the second sub-section is made stronger than the asymmetry of the protrusions provided in the first sub-section.
- each subsection has protrusions of the first type, and these protrusions can be divided into a first and a second subtype, the protrusions of the two subtypes differing from one another at least in the geometric shape of the second flanks, in that the second flanks of the second subspecies are flatter on average than the second flanks of the first subspecies.
- only projections of the first type are provided in the first section.
- a flatter second flank means that the projection in question has a lower height in the case of the same width and the same first flank.
- the projections of different subtypes are arranged alternately next to one another, in that each projection enclosed by adjacent projections is of a different subtype than its adjacent projections.
- the edge areas can also be configured identically.
- the projections in the second and third deflection sections are designed as projections of the second type, ie as symmetrical projections.
- At least individual projections also have asymmetrically inclined flanks with respect to a horizontal extension along the common projection lens, and these projections are arranged next to one another, seen in the horizontal direction, along the circumference of the exit side of the common projection lens.
- These projections can be arranged in a horizontal central area and/or an edge area of the exit side of the common projection lens.
- all projections have a maximum height of 5 micrometers and a maximum width of 1 mm.
- the ratio of the width of the projections to the height of the projections is in the range between 10 and 1000, in particular between 50 and 200.
- the invention allows the creation of a microstructure for closing the gap and improving the gradient of headlight modules.
- the microstructures formed from the projections
- Blurring/homogenization of light distributions or for closing segment boundaries in pixel-like systems on the other hand for setting a desired gradient profile and closing the gap between low and high beam (the light of the low beam module is called low beam and the light of the learning light module is called high beam) in twin systems.
- the light of the low beam module is called low beam
- the light of the learning light module is called high beam
- twin systems in twin systems.
- the lenses in many headlight modules are defocused in order to obtain a somewhat softer HD line or to reduce the gap between the low and high beam. Due to the defocusing, a "blue fringe" forms on the HD line, which is often perceived as disturbing.
- the blue gap between the low and high beam is particularly disturbing in teaching light operation.
- the reason for this is the fact that two light distributions are in the gap area 1 and 2.
- the low beam (dipped beam component) radiates the blue component of the light distribution through the lower part of the lens, the yellow component through the upper part. Due to the defocusing, the two distributions can be shifted to one another high beam, the situation can be exactly the opposite (ie the blue component is shifted downwards compared to the yellow part). This can result in a very blue gap between the low and high beam.
- Another problem in the prior art can be the setting of the gradient, since the blurring was the same for both light distributions so far, the blue part of the HD line is st stronger and the risk of a double gradient increases.
- the gradients from the current structures are relatively wide and do not have a defined global maximum, which can also lead to problems when setting up. According to the invention, therefore, the use of said asymmetrical projections in the context of the device according to claim 1 is provided.
- the headlight is more adjustable; the headlight or its light pattern therefore has a narrower and defined gradient curve with a clear maximum
- the HD line may be less blue
- the top of the lens can be covered with a texture that sweeps up more than down. As a result, yellow light moves closer to the HD line.
- the lower area of the lens can be covered with a structure that wipes downwards more than upwards. As a result, the blue fringe on the HD Line is reduced.
- the blue portion of the high beam goes through the top of the lens, so the blue portion of the high beam is swept up more than down. As a result, the blue component in the gap between the low and high beam is reduced. • The yellow portion of the high beam goes through the middle of the lens, so the yellow portion of the high beam is swept down more than it is up. As a result, more yellow light is swept into the gap between the low and high beam.
- the entire gradient of the distribution can be set more easily by treating the gradients of the blue and yellow components of the light distribution separately.
- the asymmetric blurring can of course also be used in the horizontal direction, e.g. to prevent blurring from an asymmetry in the HV.
- FIG. 1 shows a schematic representation of the first embodiment of the invention with a first exemplary beam of rays
- FIG. 2 shows the embodiment according to FIG. 1 with a second exemplary beam of rays
- FIG. 3 shows an exemplary projection lens with a detailed section of the exit surface of the lens, comprising projections shown schematically
- FIG. 4 shows a distribution of projections along the vertical extension of the lens
- FIG. 5 shows a detailed illustration of the projections distributed in the uppermost area (edge area) of the lens according to FIG. 4,
- FIG. 6 shows a detailed illustration of the projections distributed in the lowest area (edge area) of the lens according to FIG. 4,
- FIG. 7 shows a detailed illustration of the projections distributed in the middle area of the lens according to FIG. 4
- FIG. 8 shows a detailed representation of the projections distributed in the upper central area of the lens according to FIG. 4, and
- FIG. 9 shows a detailed illustration of exemplary horizontally distributed projections.
- the vehicle headlight 1 shows a vehicle headlight 1 comprising a low beam module 2 for generating a low beam distribution, the low beam module 2 comprising at least one light source 2a for this purpose.
- the headlight 1 also includes a high-beam module 3 for generating a high-beam distribution, the high-beam module 3 including at least one light source 3a for this purpose.
- the headlight 1 has a projection lens 4 and a beam shield 5 .
- the two light modules 2 and 3 are assigned the projection lens 4 as a common projection lens 4 and the beam stop 3 as a common beam stop 3 .
- the light sources 2a and 3a are each arranged in such a way that the beam stop 5 is in the beam path from the respective light source 2a or 3a to the common projection lens 4 in order to limit the light distribution emitted into the common projection lens 4, and the common projection lens 4 is arranged in the beam path of the two light modules 2 and 3 in such a way that the light beams emitted by the light modules 2 and 3 and passing through the common beam stop 5 can be imaged by the common projection lens 4 in the form of a superimposed light distribution onto a roadway, with the common Projection lens 4 has an optical axis z.
- a bundle of rays Li is shown as an example of this, which at the end of the beam stop 5 in the form of the light beam LP radiates past the stop 5 or in the form of the light beam Li" impinges on the beam stop 5 and is reflected.
- the common projection lens 4 has on its exit side 4 'A transverse to the optical axis z along the circumference of the projection lens 4 extending up and down first deflection section 4a, which is arranged on the surface of the projection lens 4, wherein in this first deflection section 4a, the exit side 4' of the common projection lens 4 is formed by projections 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h (see FIG.
- the deflection section 4a therefore lies on the surface of the projection lens 4 and includes the said projections in order to deflect light.
- the projections can be positioned vertically to one another and/or horizontally, they can be arranged in particular in a square grid, but there are also other shapes such as the ano order in a hexagon or also irregular shapes are conceivable.
- Figure 2 shows the embodiment according to Fig. 1 with a second exemplary beam of rays L2, which is divided into a non-reflected light beam L 2 'and a reflected light beam L 2 " Distance d between the light beams L/ and L 2 ", which are oriented parallel to one another.
- the spatial expansion of the beam stop 5, which is technically required, can therefore cause a gap in the superimposition of the light images of the two modules 2 and 3, which can also be compensated for by using the said projections.
- the optical axis z of the common projection lens 4 is oriented essentially horizontally, and the high-beam module 3 is offset downwards with respect to the beam diaphragm 5 and the low-beam module 2 with respect to the beam stop 5 is offset upwards (along the axis y).
- the low-beam module 2 and the high-beam module 3 can each have a main emission direction, with the two modules 2 and 3 each being inclined in relation to the optical axis z of the common projection lens 4 in such a way that their main emission directions in relation to the optical axis z of the common projection lens 4 are the same Include angles, whereby the said light beams LP and L 2 "are oriented parallel to one another.
- the first deflection section 4a is arranged in FIGS the intersection of the optical axis z of Projection lens 4 with the exit surface 4' extends upwards and downwards for a length of 25% of the circumference of the exit surface 4' in a sectional view along the optical axis z.
- Figure 4 shows a distribution of protrusions along the vertical extension (curved about a vertical axis y) of the lens 4.
- the first section 4a comprises two subsections 4a' and 4a" therein, with a first subsection 4a' above the optical axis z of the common Projection lens 4 is arranged and a second sub-section 4a" is arranged below the optical axis z of the common projection lens 4, the asymmetry of the projections that are present in the second sub-section 4a" being more pronounced than the asymmetry of the projections that are in the first subsection 4a' are arranged.
- Each subsection 4a' and 4a'' has protrusions of the first type 6a, 6b, 6e, 6f. In general, all of the projections can extend parallel to the optical axis z.
- the asymmetry of the projections 6a, 6b, 6e, 6f of the first type is formed in that the second flank 6a", 6b", 6e", 6f" of the respective projection is flatter is formed as its first 6a', 6b', 6e', 6f flank.
- adjacent projections adjoin one another in the vertical direction along the circumference of the exit side 4 ′ of the common projection lens 4 .
- the projections of the first type can be divided into a first subtype 6a, 6e and a second subtype 6b, 6f.
- the projections of the two subtypes differ from one another at least in the geometric shape of the second flanks, in that the second flanks 6b" and 6f" of the second subtype are flatter on average than the second flanks 6a" and 6e" of the first subtype.
- the protrusions of different subspecies may be alternately juxtaposed in that each protrusion enclosed by adjacent protrusions is of a different subspecies than its adjacent protrusions. It can be seen in FIG. 7 that the flank 6a′ of the structure or of the projection 6a is very steep (strong downward blurring).
- FIG. 8 another structure or a projection 6b is superimposed on the basic structure, which has a flatter edge 6b'' and enables finer adjustment of the gradient while at the same time taking into account critical areas with regard to scattered light (eg HV in ECE).
- FIG. 8 the asymmetry of the projections 6e and 6f is less pronounced than that of the projections 6a and 6b shown in FIG.
- FIG. 1 a second and a third deflection section 4b and 4c are provided on the common projection lens 4 and are each arranged in an edge area of the common projection lens 4 .
- the edge areas can be designed differently or also in the same way. It can be seen in FIGS.
- the projections 6c and 6d in the second and third deflection sections 4b and 4c are designed as projections of a second type, ie as symmetrical projections.
- the totality of the projections comprises at least projections 6c and 6d of a second type, in which the falling and the rising edges are formed essentially symmetrically to one another.
- the structure formed by the projections can therefore consist of four parts.
- the top and bottom structures can be symmetrical to each other and can blur the vertical (steep flanks). This leads to a strong softening in the edge areas of the HD line (where legal requirements are not yet relevant) and to a slight softening of the gradient.
- FIG. 9 shows a detailed illustration of exemplary horizontally distributed projections, with at least individual projections 6g, 6h also having asymmetrically inclined flanks 6g”, 6h” in relation to a horizontal extension along the common projection lens 4.
- These projections 6g and 6h are juxtaposed along the periphery of the exit side 4' of the common projection lens 4 as seen in the horizontal direction. They can be arranged in a horizontal central area or also in an edge area.
- All of the protrusions can, for example, have a maximum height of 5 microns and a maximum width of 1 mm.
- the ratio of the width of the projections 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h to the height of the projections 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h is in the range between 10 and 1000, in particular between 50 and 200.
- FIG. 5 shows a detailed illustration of the projections distributed in the uppermost area (edge area) of the lens according to FIG. 4,
- the invention is not limited to the embodiments shown but is defined by the full scope of the claims. Individual aspects of the invention or the embodiments can also be taken up and combined with one another. Any reference signs in the claims are exemplary and only serve to make the claims easier to read, without limiting them.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20209407.4A EP4001742A1 (de) | 2020-11-24 | 2020-11-24 | Fahrzeugscheinwerfer |
| PCT/EP2021/080659 WO2022111971A1 (de) | 2020-11-24 | 2021-11-04 | Fahrzeugscheinwerfer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4251915A1 true EP4251915A1 (de) | 2023-10-04 |
| EP4251915B1 EP4251915B1 (de) | 2025-04-30 |
Family
ID=73554275
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20209407.4A Withdrawn EP4001742A1 (de) | 2020-11-24 | 2020-11-24 | Fahrzeugscheinwerfer |
| EP21802735.7A Active EP4251915B1 (de) | 2020-11-24 | 2021-11-04 | Fahrzeugscheinwerfer |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20209407.4A Withdrawn EP4001742A1 (de) | 2020-11-24 | 2020-11-24 | Fahrzeugscheinwerfer |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP4001742A1 (de) |
| CN (1) | CN116670427A (de) |
| WO (1) | WO2022111971A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008023551B4 (de) * | 2008-05-14 | 2019-05-09 | Automotive Lighting Reutlingen Gmbh | Beleuchtungseinrichtung in Form eines Projektionsscheinwerfers für Kraftfahrzeuge |
| DE102008036192B4 (de) * | 2008-08-02 | 2012-05-03 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugbeleuchtungseinrichtung |
| DE102009020593B4 (de) * | 2009-05-09 | 2017-08-17 | Automotive Lighting Reutlingen Gmbh | Zur Erzeugung einer definierten Overhead-Beleuchtung eingerichteter Fahrzeugscheinwerfer |
| FR2986621B1 (fr) * | 2012-01-12 | 2015-01-23 | Valeo Vision | Lentille pour module optique de vehicule automobile |
| DE102013002965B4 (de) * | 2013-02-22 | 2024-12-12 | Docter Optics Se | Scheinwerferlinse für einen Fahrzeugscheinwerfer |
| AT514784B1 (de) * | 2013-09-03 | 2021-10-15 | Zkw Group Gmbh | Optische Struktur für eine Beleuchtungsvorrichtung für einen Kraftfahrzeugscheinwerfer |
| CN203927727U (zh) * | 2014-05-20 | 2014-11-05 | 丹阳市宝石照明系统有限公司 | 利用表面微小矩形特征阵列来改变光路的投影灯透镜 |
| CN211260666U (zh) * | 2019-09-23 | 2020-08-14 | 深圳市百康光电有限公司 | 一种透镜和灯具 |
-
2020
- 2020-11-24 EP EP20209407.4A patent/EP4001742A1/de not_active Withdrawn
-
2021
- 2021-11-04 WO PCT/EP2021/080659 patent/WO2022111971A1/de not_active Ceased
- 2021-11-04 CN CN202180079012.6A patent/CN116670427A/zh active Pending
- 2021-11-04 EP EP21802735.7A patent/EP4251915B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4001742A1 (de) | 2022-05-25 |
| WO2022111971A1 (de) | 2022-06-02 |
| CN116670427A (zh) | 2023-08-29 |
| EP4251915B1 (de) | 2025-04-30 |
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Legal Events
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