WO2026002575A1 - Components for motor vehicles - Google Patents

Components for motor vehicles

Info

Publication number
WO2026002575A1
WO2026002575A1 PCT/EP2025/065553 EP2025065553W WO2026002575A1 WO 2026002575 A1 WO2026002575 A1 WO 2026002575A1 EP 2025065553 W EP2025065553 W EP 2025065553W WO 2026002575 A1 WO2026002575 A1 WO 2026002575A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor vehicle
predetermined
vehicle component
pattern
refractive
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.)
Pending
Application number
PCT/EP2025/065553
Other languages
French (fr)
Inventor
Oliver Levantine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of WO2026002575A1 publication Critical patent/WO2026002575A1/en
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
    • B60Q1/2665—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on rear-view mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/2605—Refractors
    • F21S43/2621—Refractors characterised by the properties of the light beam shaping surface
    • F21S43/26211—Refractors characterised by the properties of the light beam shaping surface redirecting, i.e. substantially only changing light propagation direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/2605—Refractors
    • F21S43/2621—Refractors characterised by the properties of the light beam shaping surface
    • F21S43/26271—Refractors characterised by the properties of the light beam shaping surface using micro-optics, e.g. micro-lenses or micro-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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/60—Projection of signs from lighting devices, e.g. symbols or information being projected onto the road
    • 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
    • F21W2104/00—Exterior vehicle lighting devices for decorative purposes

Definitions

  • the present invention related to components for motor vehicles, in particular to reflecting or projecting motor vehicle components for forming bespoke images inside or outside a motor vehicle.
  • Projecting images inside or outside motor vehicles is known. For example puddle lights or projector lenses may be used to project a logo of the vehicle manufacturer onto the ground next to the vehicle.
  • Such components require manufacturing steps wherein predetermined images have to be printed, bonded or etched into a projecting surface to produce the desired image.
  • aspects of the present invention relate to improved methods of providing components for motor vehicles configured to produce such images.
  • a motor vehicle component comprising a light reflective or refractive first surface, wherein the first surface comprises a predetermined 3D pattern for reflecting or projecting a predetermined image onto a second surface.
  • predetermined images examples include images of a motor vehicle, motor vehicle logo, a brand identity, luminary symbols or any other bespoke image relevant to a user.
  • Embodiments of the invention enable ‘hidden messages’ or ‘hidden images’ invisible to the naked eye to be introduced in motor vehicle components in a surprising manner, through use of light, either via reflection or refraction, enhancing user experience.
  • Vehicle components according to the invention might be internal or external to the vehicle body itself. Examples are: headliners, headrests, body panels, lamps, mirrors, internal or external light fixtures casings, central consoles, and the like.
  • the first surface may be a reflective surface for reflecting the predetermined image onto the second surface.
  • the second surface is a projecting surface external to said component.
  • the first surface may be a refractive surface for projecting the predetermined image onto the second surface.
  • the first surface may be comprised in a caustic lens.
  • the caustic lens may have a prism wherein the predetermined 3D pattern comprises a matrix of relatively small lenses which together give rise to an interference pattern of incident light to form the said predetermined image onto the second surface (i.e. an external surface).
  • the predetermined 3D pattern may be determined by way of light ray modelling.
  • the predetermined 3D pattern may be generated by way of 3D printing, machining or moulding.
  • Figure 1A shows a method of manufacturing according to motor vehicle component with a reflective surface
  • Figure 1 B shows a method of manufacturing according to motor vehicle component with a refractive surface
  • Figure 2A shows processes applying software light ray modelling (‘caustic engineering’ methodology).
  • Figure 2B shows a light source shining through a caustic lens, forming an image on a receiving surface
  • FIG. 3 shows an example embodiment according to the invention
  • Figure 4 shows a further example embodiment according to the invention.
  • Figure 1A shows a method of manufacturing according to motor vehicle component with a reflective surface.
  • a designer or user chooses a target image 150 and a product 160 having a reflective surface for processing.
  • the designer or user may chose to modify an existing product with predefined customisable locations.
  • Step 2000 represents a process that applies software light ray modelling using a computer algorithm to calculate the shape of the predetermined 3D pattern.
  • the algorithm for a specified light source X distance away from the second surface and Y distance away from the first surface, computationally traces the light ray paths from source to second surface.
  • the resultant/projected image on the second surface is compared to the pre-determined image and the lens topology is changed iteratively, through machine learning code, until the difference or Delta between the pre-determined and actual image on the second surface is below thresholds coded into the algorithm.
  • the output of this process is a 3D mesh lens refractive surface.
  • Step 3000 represents a process of manufacturing a motor vehicle component with a reflective surface using the 3D mesh lens refractive surface calculations.
  • the resultant lens topology is exported from the algorithm and can then be integrated into CAD of existing or new products.
  • Algorithms may include light ray modelling such as adaptations of Mitsuba 3 (TM) or other suitable algorithms.
  • Figure 1 B shows a method of manufacturing according to motor vehicle component with a refractive surface. The method steps are the same as for Figure 1 A, except the product chosen 180 for processing is transparent rather than reflective.
  • Figure 2A shows processes applying software light ray modelling (‘caustic engineering’ methodology).
  • Figure 2A shows a representation of the iterative process of lens topology manipulation.
  • predetermined 3D patterns (‘caustic patterns’) are provided to form any desired shaped by optimising the geometry of the reflective or refractive surface generating the caustic effect.
  • a light source 10 shines through an engineered lens 20, casting an image from caustics 30 on the receiving surface 40.
  • Example embodiments of caustic lenses include a prism.
  • the predetermined 3D pattern may comprise a matrix of relatively small lenses which together give rise to an interference pattern of incident light to form the said predetermined image onto the receiving surface.
  • embodiments of the invention can be applied to components and/or accessories inside or outside a motor vehicle.
  • FIGS 3 and 4 show examples of centre consoles according to the invention.
  • internal components include: headliners, headrests, internal light fixture casings, internal mirrors, drinking vessels bases and/or walls, etc.
  • external components include: body panels, vehicle exterior lighting systems, external mirrors etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

A motor vehicle component comprising a light reflective or refractive first surface, wherein the first surface comprises a predetermined 3D pattern for reflecting or projecting a predetermined image onto a second, external, surface. Advantageously, once the motor vehicle component is manufactured, there is no requirement for additional manufacturing processes to mask or create the predetermined image.

Description

COMPONENTS FOR MOTOR VEHICLES>
TECHNICAL FIELD>
The present invention related to components for motor vehicles, in particular to reflecting or projecting motor vehicle components for forming bespoke images inside or outside a motor vehicle.
<BACKGROUND>
Projecting images inside or outside motor vehicles (automobiles) is known. For example puddle lights or projector lenses may be used to project a logo of the vehicle manufacturer onto the ground next to the vehicle. Such components require manufacturing steps wherein predetermined images have to be printed, bonded or etched into a projecting surface to produce the desired image.
Aspects of the present invention relate to improved methods of providing components for motor vehicles configured to produce such images.
<SUMMARY OF THE INVENTION>
According to one independent aspect of the invention, there is provided a motor vehicle component comprising a light reflective or refractive first surface, wherein the first surface comprises a predetermined 3D pattern for reflecting or projecting a predetermined image onto a second surface. Further aspects are also set out in the subsequent claims and description herein. Advantageously, in contrast with existing prior art such as a puddle light, once the motor vehicle component is manufactured, there is no requirement for additional manufacturing processes to mask or create the predetermined image. Thus a wide range of images could be applied whilst keeping the vehicle assembly process consistent. This can improve efficiency and productivity of vehicle production while increasing the range of bespoke modifications of a vehicle.
Examples of predetermined images include images of a motor vehicle, motor vehicle logo, a brand identity, luminary symbols or any other bespoke image relevant to a user. Embodiments of the invention enable ‘hidden messages’ or ‘hidden images’ invisible to the naked eye to be introduced in motor vehicle components in a surprising manner, through use of light, either via reflection or refraction, enhancing user experience.
Vehicle components according to the invention might be internal or external to the vehicle body itself. Examples are: headliners, headrests, body panels, lamps, mirrors, internal or external light fixtures casings, central consoles, and the like.
The first surface may be a reflective surface for reflecting the predetermined image onto the second surface. The second surface is a projecting surface external to said component.
Alternatively, the first surface may be a refractive surface for projecting the predetermined image onto the second surface.
The first surface may be comprised in a caustic lens.
The caustic lens may have a prism wherein the predetermined 3D pattern comprises a matrix of relatively small lenses which together give rise to an interference pattern of incident light to form the said predetermined image onto the second surface (i.e. an external surface).
The predetermined 3D pattern may be determined by way of light ray modelling.
According to second independent aspect of the invention, there is provided a method of manufacturing a motor vehicle component according to claim 7.
The predetermined 3D pattern may be generated by way of 3D printing, machining or moulding. <BRIEF DESCRIPTION OF THE DRAWINGS>
Embodiments of the invention will now be described with reference to the following Figures in which:
Figure 1A shows a method of manufacturing according to motor vehicle component with a reflective surface;
Figure 1 B shows a method of manufacturing according to motor vehicle component with a refractive surface;
Figure 2A shows processes applying software light ray modelling (‘caustic engineering’ methodology);
Figure 2B shows a light source shining through a caustic lens, forming an image on a receiving surface;
Figure 3 shows an example embodiment according to the invention;
Figure 4 shows a further example embodiment according to the invention.
<DETAILED DESCRIPTION>
Figure 1A shows a method of manufacturing according to motor vehicle component with a reflective surface. At step 1000, a designer or user chooses a target image 150 and a product 160 having a reflective surface for processing. The designer or user may chose to modify an existing product with predefined customisable locations.
Step 2000 represents a process that applies software light ray modelling using a computer algorithm to calculate the shape of the predetermined 3D pattern. In this step, the algorithm, for a specified light source X distance away from the second surface and Y distance away from the first surface, computationally traces the light ray paths from source to second surface. The resultant/projected image on the second surface is compared to the pre-determined image and the lens topology is changed iteratively, through machine learning code, until the difference or Delta between the pre-determined and actual image on the second surface is below thresholds coded into the algorithm. As such, the output of this process is a 3D mesh lens refractive surface. Step 3000 represents a process of manufacturing a motor vehicle component with a reflective surface using the 3D mesh lens refractive surface calculations. The resultant lens topology is exported from the algorithm and can then be integrated into CAD of existing or new products.
Algorithms may include light ray modelling such as adaptations of Mitsuba 3 (TM) or other suitable algorithms.
Figure 1 B shows a method of manufacturing according to motor vehicle component with a refractive surface. The method steps are the same as for Figure 1 A, except the product chosen 180 for processing is transparent rather than reflective.
Figure 2A shows processes applying software light ray modelling (‘caustic engineering’ methodology). Figure 2A shows a representation of the iterative process of lens topology manipulation. In this manner, predetermined 3D patterns (‘caustic patterns’) are provided to form any desired shaped by optimising the geometry of the reflective or refractive surface generating the caustic effect.
Referring to Figure 2B, a light source 10 shines through an engineered lens 20, casting an image from caustics 30 on the receiving surface 40.
Example embodiments of caustic lenses include a prism. For example, the predetermined 3D pattern may comprise a matrix of relatively small lenses which together give rise to an interference pattern of incident light to form the said predetermined image onto the receiving surface.
It would be appreciated that embodiments of the invention can be applied to components and/or accessories inside or outside a motor vehicle.
Figures 3 and 4 show examples of centre consoles according to the invention.
Other examples of internal components include: headliners, headrests, internal light fixture casings, internal mirrors, drinking vessels bases and/or walls, etc.
Examples of external components include: body panels, vehicle exterior lighting systems, external mirrors etc.

Claims

1. A motor vehicle component comprising a light reflective or refractive first surface, wherein the first surface comprises a predetermined 3D pattern for reflecting or projecting a predetermined image onto a second surface.
2. A motor vehicle component according to claim 1 , wherein the first surface is a reflective surface for reflecting the predetermined image onto the second surface.
3. A motor vehicle component according to claim 1 , wherein the first surface is a refractive surface for projecting the predetermined image onto the second surface.
4. A motor vehicle component according to any preceding claim, wherein the first surface is comprised in a caustic lens.
5. A motor vehicle component according to claim 4, wherein the caustic lens has a prism wherein the predetermined 3D pattern comprises a matrix of relatively small lenses which together give rise to an interference pattern of incident light to form the said predetermined image onto the second surface.
6. A motor vehicle component according to any preceding claim, wherein the predetermined 3D pattern is determined by way of light ray modelling.
7. A method of manufacturing a motor vehicle component comprising a light reflective or refractive first surface, comprising the steps of:
- identifying an image desired to be projected onto a second surface;
- applying software light ray modelling to calculate the light ray paths from the first surface to the second surface which would project the said image; and
- forming a predetermined 3D pattern on the first surface according to the calculated light ray paths.
8. A method according to claim 7, wherein forming the predetermined 3D pattern by way of 3D printing, machining or moulding.
PCT/EP2025/065553 2024-06-25 2025-06-04 Components for motor vehicles Pending WO2026002575A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2409120.9 2024-06-25
GB2409120.9A GB2642098A (en) 2024-06-25 2024-06-25 Components for motor vehicles

Publications (1)

Publication Number Publication Date
WO2026002575A1 true WO2026002575A1 (en) 2026-01-02

Family

ID=92107939

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2025/065553 Pending WO2026002575A1 (en) 2024-06-25 2025-06-04 Components for motor vehicles

Country Status (2)

Country Link
GB (1) GB2642098A (en)
WO (1) WO2026002575A1 (en)

Citations (2)

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US20160041398A1 (en) * 2011-09-09 2016-02-11 Disney Enterprises, Inc. Reflective and refractive surfaces configured to project desired caustic pattern
FR3077363A1 (en) * 2018-01-30 2019-08-02 Valeo Vision LIGHT DEVICE WITH A CONTROLLED CAUSTIC GENERATING SURFACE FORMING A PATTERN ON A TARGET SURFACE

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JP5238411B2 (en) * 2008-08-28 2013-07-17 株式会社小糸製作所 Vehicle lighting
US11235699B2 (en) * 2014-02-07 2022-02-01 Magna Mirrors Of America, Inc. Illumination module for vehicle
CN111692572B (en) * 2020-04-07 2023-04-18 武汉路特斯汽车有限公司 Structure and control method for reflecting type vehicle exterior trim projection light show

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Publication number Priority date Publication date Assignee Title
US20160041398A1 (en) * 2011-09-09 2016-02-11 Disney Enterprises, Inc. Reflective and refractive surfaces configured to project desired caustic pattern
FR3077363A1 (en) * 2018-01-30 2019-08-02 Valeo Vision LIGHT DEVICE WITH A CONTROLLED CAUSTIC GENERATING SURFACE FORMING A PATTERN ON A TARGET SURFACE

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Title
WILHELM LEO M ET AL: "Design of maskless micro-optical automotive low-beam", 20240617, vol. 13019, 17 June 2024 (2024-06-17), pages 130190O - 130190O, XP060208315, ISSN: 0277-786X, ISBN: 978-1-5106-7356-4, DOI: 10.1117/12.3017435 *
YONGHAO YUE ET AL: "Poisson-Based Continuous Surface Generation for Goal-Based Caustics", ACM TRANSACTIONS ON GRAPHICS, ACM, NY, US, vol. 33, no. 3, 2 June 2014 (2014-06-02), pages 1 - 7, XP058050878, ISSN: 0730-0301, DOI: 10.1145/2580946 *
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Also Published As

Publication number Publication date
GB2642098A (en) 2025-12-31
GB202409120D0 (en) 2024-08-07

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