Bumper and taillight for vehicle
By setting a transparent area and a diffuser on the bumper, the problem of low structural freedom in taillight design is solved, and the stability and recycling convenience are improved, while the vehicle's appearance is not affected when the light source is not in use.
Patent Information
- Application Number
- CN202480017910.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-03-13
- Filing Date
- 2024-01-25
- Publication Date
- 2025-10-24
AI Technical Summary
Existing taillight designs are limited by the lamp housing and materials, resulting in low structural freedom, difficulty in recycling, and insufficient material stability.
The bumper is designed with transparent or translucent areas, perforated and equipped with a diffuser. The light source is placed behind the bumper, and the diffuser is used as a concentrator to achieve a 3D effect. Aluminum material is used to improve stability.
It increases the freedom of taillight design, reduces reliance on lamp housings, improves material stability and recyclability, and does not affect the vehicle's appearance when the light source is not in use.
Smart Images

Figure CN120835845A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The invention relates to a tail light for a vehicle. The invention also relates to a bumper having a tail light. BACKGROUND
[0002] From DE 10 2015 013 622 A1 a tail light is known which can be installed with a small gap. This is achieved by a resilient foam material arranged in the edge region of the tail light.
[0003] A tail light installed in this way is for example installed in a lamp housing made of a deep-drawn sheet. The bumper itself consists of a plastic part. The plastic part is usually manufactured in an injection molding process, however cannot be arbitrarily shaped, since for this different molds are required. The constructional possibilities in terms of bumper geometry, as well as tail light geometry and arrangement are therefore limited. The recycling of the plastic bumper is also more difficult, since elements such as the air inlet are made of a different plastic type than the bumper itself. The classification of different plastic types during the recycling process is complex or almost not realizable. As a result, it can therefore be that after recycling a contaminated plastic product is produced.
[0004] It is furthermore disadvantageous that a mounting in a lamp housing is required, wherein the lamp housing is made of a deep-drawn aluminum part. However, such aluminum material quickly reaches its load limit.
[0005] DE 10 2018 007 088 A1 describes a headlight having various lighting functions. The individual functions are arranged in different surface areas. These surface areas can for example be arranged around a manufacturer logo, so that the manufacturer logo can be integrated into the headlight. However, even with such an embodiment the headlight needs to be mounted in a specified location, in particular for example in a rear spoiler or radiator grille. Furthermore, since the headlight is always visible even in a switched-off state, the constructional possibilities are disadvantageously limited only for this reason. Therefore, not all desired design options can be realized.
[0006] Further prior art can be found in DE 10 2012 003 200 A1, DE 10 2021 133 399 A1, DE 10 2020 133 087 A1, US 2014 / 0 119 038 A1 and US 3 850 763 A. SUMMARY
[0007] It is now the object of the invention to give a tail light which overcomes the above-mentioned disadvantages. In particular, the invention aims to propose a tail light and a bumper which provide greater constructional freedom.
[0008] According to the invention, this object is achieved by a taillight having the features of claim 1, in particular the characterizing portion of claim 1. Advantageous embodiments and developments are given in the dependent claims. A bumper having such a taillight is also described.
[0009] The core of the taillight according to the present invention lies in a subarea of the bumper serving as the taillight surface. This subarea is provided with multiple perforations, allowing light from a light source positioned behind the bumper to pass through these perforations. When the light source is deactivated, this subarea is at least partially perceived as a painted surface. The perforations are sealed by a diffuser, which acts as a concentrator, thus achieving a 3D effect. The placement of the light source behind the bumper surface increases design possibilities. Consequently, the light source is invisible when deactivated. This differs from arrangements in which the light sources, particularly, for example, multiple OLEDs that are always visible even when deactivated, are placed on the bumper surface.
[0010] Taillights are designed for vehicles with bumpers. Perforations allow light from the light source to pass through the bumper and onto the vehicle's exterior. Because the light source is positioned behind the vehicle's exterior or behind the bumper itself, a lamp housing can be eliminated. This allows for a high degree of flexibility and customization in design, allowing for variations in mass production. In particular, there's no need to rely on mass-produced mold designs.
[0011] Should not be understood that the bumper is only to be positioned at the limited area of vehicle rear lower side.Certainly, taillights also can be designed in the vehicle rear body component of the adjacent arrangement with the actual bumper as mentioned above.
[0012] The multiple perforations are sealed by a diffuser disc. This diffuser disc provides excellent protection against moisture and dirt. The diffuser disc can be colorless or transparent, for example. When the light source is deactivated, i.e., not illuminated, the bumper plate appears in the corresponding vehicle body color. Because the perforations are so finely designed, they are barely or not at all visible to the naked eye at first glance.
[0013] The scattering disk is designed as an organic glass plate and / or contains glass fiber material. Therefore, the scattering disk can be designed as a light conductor and has a luminous effect.
[0014] The diffuser acts as a concentrator, creating a 3D effect. It is thus possible to virtually shape the taillights and project patterns or similar elements onto them.
[0015] According to a very advantageous refinement of the idea, it can be provided here that the partial region is made of aluminum. Thus, the perforation is formed in the aluminum material. In particular, an aluminum sheet can be used. Thus, the advantages compared to a plastic material can be achieved, in particular in terms of stability. The light source can be arranged directly behind the aluminum sheet, so that a lamp housing can be dispensed with. In particular, the deep-drawn region of the aluminum sheet can be dispensed with, so that the stability of the material can be ensured. The bumper can be designed in a multipart manner, i.e. assembled from a plurality of aluminum sheets.
[0016] According to a very advantageous refinement of the idea, it can be provided here that the partial region is made of aluminum. Thus, the perforation is formed in the aluminum material. In particular, an aluminum sheet can be used. Thus, the advantages compared to a plastic material can be achieved, in particular in terms of stability. The light source can be arranged directly behind the aluminum sheet, so that a lamp housing can be dispensed with. In particular, the deep-drawn region of the aluminum sheet can be dispensed with, so that the stability of the material can be ensured. The bumper can be designed in a multipart manner, i.e. assembled from a plurality of aluminum sheets.
[0017] According to another preferred embodiment, it can be provided that the partial region or the bumper with the partial region is made of at least one anodized aluminum sheet. The perforation can be produced, for example, via a laser.
[0018] Thus, it is advantageous if the bumper is painted in the color of the vehicle body, so that the light source arranged behind the bumper is not visible to persons outside the vehicle when the light source is in the deactivated state. Thus, in particular, an increased degree of freedom in design is achieved. Furthermore, by using aluminum sheets instead of plastic materials, the restrictions in terms of design during production are reduced.
[0019] The object of the application is also a bumper comprising a tail light according to the application. The same features and advantages apply to the bumper as described for the tail light.
[0020] Further advantageous configurations of the tail light according to the application and of the bumper are also derived from the embodiments explained in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0021] In which:
[0022] Figure 1 A sectional view of a tail light according to the prior art is shown;
[0023] Figure 2 A sectional view of a tail light according to an embodiment is shown;
[0024] Figure 3 A sectional view of a tail light according to another embodiment is shown;
[0025] Figure 4 A sectional view of a tail light according to another embodiment is shown;
[0026] Figure 5 A possible embodiment of a scattering disc is shown; and
[0027] Figure 6 A vehicle with a tail light according to the application or a bumper according to the application is shown. DETAILED DESCRIPTION
[0028] Figure 1 A sectional view of a tail light 1'according to the prior art is shown. A lamp housing 11 is arranged in a plastic bumper 10. In the lamp housing 11 a lamp 12 is arranged, which has, for example, an OLED which is arranged in such a way that it is visible from the outside. Disadvantageously, the lamp housing 11 is required for accommodating the light source, whereas the lamp housing usually consists of deep-drawn aluminum sheet. Furthermore, the lamp 12 is likewise visible even in the deactivated state, thereby limiting the constructional freedom.
[0029] In Figure 2 the illustration, a possible embodiment of a tail light 1 is shown in a possible embodiment. The light source 6 is arranged here behind the bumper 3, so that in the deactivated state the tail light 1 is not visible from the outside of the vehicle. In a partial region 4 of the bumper 3 a plurality of perforations 5 are provided, so that the light beam of the light source 6 can almost penetrate the bumper 3. Advantageously, the light source 6 can be mounted directly on the bumper 3, so that a lamp housing can be dispensed with. In particular, the partial region 4 or the entire bumper 3 can be made of aluminum sheet. For example, the wall thickness of the aluminum sheet and the processed Sicken can likewise influence the crash behavior of the vehicle. Aluminum is preferably used, since it is produced using an anodization process. A rich color variety and a corrosion protection can thus be ensured.
[0030] In Figure 3 a further embodiment variant of the tail light 1 can be seen. Here, the same components have the same reference numerals and need not be described in detail. Unlike Figure 2 , a scattering disc 7 is arranged here in the region of the perforations 5. The scattering disc 7 can consist, for example, of organic glass and can thus be used as a light conductor. Furthermore, the scattering disc 7 can prevent moisture or dirt from penetrating the light source 6 through the perforations 5. If the scattering disc 7 is made of transparent material, the partial region 4 appears in the color of the vehicle body paint.
[0031] Figure 4 A further embodiment of the tail light 1 is shown in Figure 5 , in which elevations are arranged on the scattering disc 7. A 3D effect can thus be enhanced. For example, different geometric patterns can be arranged on the scattering disc 7. These patterns are shown in the following
[0032] According to Figure 5 , for example, different geometric shapes or even the manufacturer's logo can be realized on the scattering disc 7 by means of the elevations. These elevations can realize a 3D effect when the light source 6 is in the activated state, which can influence the appearance of the tail light 1.
[0033] Figure 6 A vehicle 2 with a bumper 3 is shown in which a tail light 1 is arranged. The tail light 1 is arranged in a partial region 4, wherein this partial region 4 can be configured arbitrarily. For example, it can be designed as a strip-like structure which extends along the bumper 3. For example, the tail light 1 can be arranged as such a strip-like structure on the upper part of the bumper 3, wherein the tail light can be integrated partly into the actual bumper and partly into the general rear region of the vehicle 2. The features described above also apply to such a tail light 1. Here, the concept of the bumper 3 is to be understood broadly, so that in particular the entire region of the vehicle rear which forms the body is included.
[0034] Of course, Figures 2 to 6 The embodiments of the tail light 1 described above can also be combined with one another, so that various possibilities arise. Thus, for example, the scattering disc 7, the perforations 5 and even the shaping of the partial region 4 can be configured in different ways. Here, the configuration possibilities are almost unlimited.
Claims
1. A tail light (1) for a vehicle (2), wherein the vehicle (2) has a bumper (3), wherein a partial area (4) of the bumper (3) serves as a surface for the tail light (2), wherein a plurality of perforations (5) are provided in the partial area (4) such that light rays of a light source (6) arranged behind the bumper (3) can pass through the perforations (5) and the partial area (4) is at least partially perceivable as a paint surface when the light source (6) is in an inactive state, characterized in that the plurality of perforations (5) is sealed by scattering discs (7), wherein the scattering discs (7) are designed as plexiglass plates and / or comprise a glass fiber material and the scattering discs (7) serve as light concentrators, thereby achieving a 3D effect.
2. The tail light (1) according to claim 1, characterized in that the partial area (4) is made of aluminum.
3. The tail light (1) according to any one of claims 1 or 2, characterized in that the bumper (3) is made of aluminum.
4. The tail light (1) according to any one of claims 1 to 3, characterized in that the partial area (4) or the bumper (3) having the partial area (4) is made of at least one anodized aluminum plate.
5. A bumper (3) comprising a tail light (1) according to any one of claims 1 to 4.
Citation Information
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