Lighting element and vehicle

The integration of a hollow light guide with a fastening structure addresses the challenge of incorporating lighting elements in vehicle components, ensuring secure fastening and efficient light guidance for ambient lighting, enhancing both functionality and aesthetics.

DE102023004415B4Active Publication Date: 2025-10-16MERCEDES BENZ GROUP AG
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Patent Information

Application Number
DE102023004415
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-11-03
Publication Date
2025-10-16
Estimated Expiration
2043-11-03

AI Technical Summary

Technical Problem

Existing vehicle components lack efficient and aesthetically pleasing methods for integrating lighting elements that provide ambient lighting while maintaining structural integrity and ease of assembly.

Method used

A vehicle component with a hollow light guide having a coupling-in point and a light decoupling element, featuring a fastening structure on its outer and inner surfaces, allows for secure fastening and nearly loss-free light guidance, using a luminous element like a cushion button to illuminate surfaces and generate ambient light.

Benefits of technology

The solution enables easy assembly of lighting elements on vehicle components, providing effective ambient lighting without light loss and enhancing the aesthetic appeal of the vehicle interior.

✦ Generated by Eureka AI based on patent content.

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Abstract

Vehicle, comprising at least one component covered with a textile and / or leather and at least one lighting element (1), comprising - a hollow light guide (2) with a coupling point (3) for coupling in light and - a light decoupling element (4) connected to the light guide (2), wherein - a fastening structure (5) is formed on an outer surface of the light guide (2), - an inner surface of the light guide (2) facing a cavity of the light guide (2) has a white or mirrored surface, - the luminous element (1) is designed as a cushion button, - the light coupling element (4) is arranged on a visible side of the component and - the light guide (2) is guided through the textile and / or leather and is fastened to a rear side facing away from the visible side of the component by means of a fastening element corresponding to the fastening structure (5).
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Description

[0001] The invention relates to a vehicle.

[0002] CH 676 877 A5 discloses a light diffuser comprising a transparent support with a first main surface containing a plurality of light-deflecting elements and a second main surface with a smooth surface. A light inlet is provided on part of a side surface of the transparent support, with the remainder of the side surface of the transparent support being covered with an opaque material. A light source is arranged in front of the light inlet.

[0003] CN 203 879 874 U describes a fiber optic mounting assembly comprising a mounting head, a mounting body, a hollow fiber optic channel, and a sleeve. The mounting body is connected to the mounting head and provided with a mounting part. The mounting part is arranged outside the mounting body and is a screwed, hooked, or clamped body. The hollow fiber optic channel runs through the mounting head and the mounting body, and the sleeve is movably connected to the mounting body.

[0004] The invention is based on the object of providing a novel vehicle.

[0005] The object is achieved according to the invention by a vehicle which has the features specified in claim 1.

[0006] Advantageous embodiments of the invention are the subject of the subclaims.

[0007] The vehicle according to the invention has at least one component covered with a textile and / or leather and at least one lighting element. The lighting element has a hollow light guide with a coupling point for coupling in light and a light output element connected to the light guide. A fastening structure is formed on an outer surface of the light guide, and an inner surface of the light guide facing a hollow space in the light guide has a white or mirrored surface. Furthermore, the lighting element is designed as a cushion button, wherein the light output element is arranged on a visible side of the component and the light guide is guided through the textile and / or leather and is fastened to a rear side facing away from the visible side of the component by means of a fastening element corresponding to the fastening structure.

[0008] The lighting element particularly advantageously enables simple attachment to a component, whereby the light guide and the attachment structure formed thereon can be used for this attachment. Due to the white or mirrored surface, coupling of light from the light guide, particularly in the area of ​​the attachment structure, can be avoided, so that coupled-in light can be guided at least with virtually no loss to the light extraction element in the light guide, which also serves as a attachment element. Thus, in the lighting element, the attachment structure and the light guide are formed in a common component.

[0009] Using the luminous element, designed as an upholstery button, it is possible to attach the textile and / or leather to a structure located behind it and / or to create a surface structure on the component while simultaneously illuminating the surface of the component and / or its surroundings. This can create a so-called ambient light in the vehicle.

[0010] In one possible embodiment of the vehicle, the component is part of a vehicle seat or a trim part.

[0011] In another possible vehicle configuration, a hollow light guide with a white or mirrored surface is arranged in the cavity of the light guide. Such a hollow light guide can be easily inserted into the light guide and secured therein, enabling reliable light transmission while preventing coupling out via the mounting structure.

[0012] In another possible embodiment of the vehicle, the fastening structure has an external thread and / or at least one fastening tab. Such a design of the fastening structure enables simple and secure attachment of the lighting element.

[0013] In another possible embodiment of the vehicle, at least one aperture for shielding light is arranged on the light extraction element. The aperture enables the light to be easily shielded and, consequently, the light to be extracted at defined positions on the light extraction element.

[0014] In another possible embodiment of the vehicle, the lighting element has at least one light source arranged at the coupling point, which is designed to couple light into the light guide. The light source is, for example, a light-emitting diode and, in one possible embodiment, can be controlled in such a way that it can emit light in different light colors.

[0015] Embodiments of the invention are explained in more detail below with reference to drawings.

[0016] Showing: Fig. 1 schematically shows a side view of a lighting element and Fig. 2 schematically shows a sectional view of the lighting element according to Fig. 1.

[0017] Corresponding parts are provided with the same reference numerals in all figures.

[0018] In Fig. 1 shows a side view of a possible embodiment of a lighting element 1. Fig. 2 shows a sectional view of the lighting element 1 according to Fig. 1.

[0019] The luminous element 1 comprises a hollow light guide 2 with a coupling point 3 for coupling in light and a light output element 4 connected to the light guide 2. At least one light source (not shown in detail) can be arranged at the coupling point 3, which is designed to couple light into the light guide 2.

[0020] A fastening structure 5 designed as an external thread is formed on an outer surface of the light guide 2. Alternatively or additionally, the fastening structure 5 can comprise at least one fastening tab. The fastening structure 5 is provided for fastening the lighting element 1 to a component, for example, a vehicle component.

[0021] To prevent the coupled-in light from being coupled out at the fastening structure 5, an inner surface of the light guide 2 facing a cavity of the light guide 2 has a white or mirrored surface. In the illustrated embodiment, this surface is formed by a hollow light guide 6 arranged in the cavity of the light guide 2, which has a white or mirrored surface. The hollow light guide 6 is fastened in the cavity by force-fitting, material-fitting, and / or form-fitting means.

[0022] The illustrated structure allows light coupled into the light guide 2 by the light source to be guided through the light guide, in particular the hollow light guide 6, to the light output element 4 and output thereat at defined output surfaces 4.1. A diaphragm 7 is arranged on the light output element 4 to shield the light and focus it onto the output surfaces 4.1.

[0023] In one possible embodiment, the lighting element 1 is designed, for example, as an upholstery button and is intended, for example, for use in a vehicle. For example, the upholstery button is used on a vehicle component covered with textile and / or leather, with the light decoupling element 4 being arranged on a visible side of the component. The light guide 2 is guided through the textile and / or leather and fastened to a rear side facing away from the visible side of the component by means of a fastening element corresponding to the fastening structure 5, for example a screw nut.

[0024] For example, the component is a part of a vehicle seat or a trim part. In this case, a plurality of lighting elements 1 designed as upholstery buttons can be distributed over a surface of the component in order to create a surface structure on the component and simultaneously illuminate the surface of the component and / or its surroundings. In this case, so-called ambient light can be generated in the vehicle. For example, the lighting elements 1 are arranged in such a way that, in the region of the respective lighting element 1, a cushion located behind the textile and / or leather is compressed and, for example, four of the lighting elements 1 each form corners of an at least substantially diamond-shaped, cushion-shaped elevation.

Claims

[1] Vehicle comprising at least one component covered with a textile and / or leather and at least one lighting element (1), comprising - a hollow optical fiber (2) with a coupling point (3) for coupling light and - a light coupling element (4) connected to the light guide (2), wherein - a fastening structure (5) is formed on an outer cladding surface of the optical fiber (2), - an inner cladding surface of the optical fiber (2) facing a cavity of the optical fiber (2) has a white or mirrored surface, - the light element (1) is designed as a padded button, - the light extraction element (4) is arranged on a visible side of the component and - the light guide (2) is guided through the textile and / or leather and is attached to a rear side facing away from the visible side of the component by means of a fastening element corresponding to the fastening structure (5). [2] Vehicle according to claim 1, wherein the component is a part of a vehicle seat or a trim part. [3] Vehicle according to claim 1 or 2, wherein a hollow light guide (6) is arranged in the cavity of the light guide (2) which has the white or mirrored surface. [4] Vehicle according to any of the preceding claims, wherein the fastening structure (5) has an external thread and / or at least one fastening tab. [5] Vehicle according to one of the preceding claims, wherein at least one aperture (7) for shielding light is arranged on the light coupling element (4). [6] Vehicle according to one of the preceding claims, comprising at least one light source arranged at the coupling point (3) which is designed to couple light into the light guide (2).

Citation Information

Patent Citations

  • CN000203879874U