Car lamp assembly

By designing the light guide element and the bracket structure in the vehicle lamp assembly, and using the reflective part to reflect light to form multiple lighting areas, the problem that the existing vehicle lamp assembly requires multiple light emitting components to emit light in multiple areas is solved, and the multi-region light emission and cost reduction effect is achieved.

CN222783359UActive Publication Date: 2025-04-22CHONGQING KOITO AUTOMOTIVE LAMP CO LTD
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Patent Information

Application Number
CN202421754083.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-04-22
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

Existing car light components require the use of multiple light-emitting components when emitting light in multiple areas, resulting in increased costs and difficult to meet the needs of shaping effects and cost reduction.

Method used

A vehicle light assembly is designed, adopting a light guide element and a bracket structure. The light guide element includes an inlet end and an outgoing end. The light guide end is provided with a diffusion structure. The bracket includes a connecting part and a reflecting part. The reflecting part extends from the outgoing end of the light guide element. The reflecting part reflects light rays to form multiple lighting areas to realize multi-region light emission.

Benefits of technology

By adding reflected light emitting areas, multi-region luminescence can be achieved without adding light sources, which can meet the styling effect while reducing the cost of the headlights.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of car lamp illumination, in particular to a car lamp assembly which comprises a light guide element, the light guide element comprises a light inlet end and a light outlet end, and the light outlet end is provided with a diffusion structure. The support comprises a connecting part and a reflecting part, the connecting part is connected between the light inlet end and the light outlet end of the light guide element, the reflecting part extends from the light outlet end of the light guide element, and light incident from the light inlet end of the light guide element is emitted from the light outlet end of the light guide element; a part of light emitted from the light emitting end of the light guide element is directly emitted in the light emitting direction to form a first lightening area, the other part of light is emitted to the reflection part and is emitted in the light emitting direction after being reflected by the reflection part to form a second lightening area, and the first lightening area and the second lightening area have different brightness. The cost is reduced while multi-area light emitting is achieved to meet the modeling effect.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamp lighting, in particular to a vehicle lamp assembly. Background Art

[0002] Headlights mainly refer to headlights, taillights, signal lights, fog lights and interior lights. As a key part of lighting and signal transmission, headlight components are not only crucial to driving safety, but also an important manifestation of automotive electronics and intelligence. With the advancement of technology and changes in consumer demand, headlight components are undergoing a transformation from traditional lighting to intelligent lighting, and are expected to become the core carrier of vehicle data flow output in the future.

[0003] In current headlights, each light-emitting area requires one light-emitting component, and when multiple areas are illuminated, multiple light-emitting components are required.

[0004] Therefore, how to illuminate multiple areas to achieve satisfactory styling effects while reducing costs is a technical problem that needs to be urgently solved by technicians in this field. Utility Model Content

[0005] The utility model aims to provide a vehicle lamp assembly, aiming to realize multi-region lighting to meet the modeling effect while reducing the cost of the vehicle lamp.

[0006] To achieve the above-mentioned purpose, the utility model adopts a vehicle lamp assembly, comprising a light guide element, the light guide element comprising a light input end and a light output end, the light output end being provided with a diffusion structure;

[0007] A bracket, the bracket comprising a connecting portion and a reflecting portion, the connecting portion being connected between a light input end and a light output end of the light guide element, and the reflecting portion extending from the light output end of the light guide element;

[0008] Among them, the light incident from the light incident end of the light guide element is emitted from the light output end of the light guide element, a part of the light emitted from the light output end of the light guide element is directly emitted along the light output direction to form a first lighting area, and another part of the light is emitted to the reflecting part, and after being reflected by the reflecting part, it is emitted along the light output direction to form a second lighting area, and the first lighting area and the second lighting area have different brightness.

[0009] There is a dark area between the first lighting area and the second lighting area.

[0010] Wherein, the reflector is made of PC material, with a reflection angle of 7.5° to 10° and a reflectivity of 10% to 75%.

[0011] The connecting portion is connected to the reflecting portion through an extending portion, a distance is provided between the extending portion and the light guide element, and a distance is provided between a side of the reflecting portion close to the light guide element and the light guide element.

[0012] The surface of the reflective portion facing the light guide element is reflectively treated, and the reflective treatment includes one or more of polishing, plating a reflective layer, and setting a pattern structure, and the surface of the extending portion facing the light guide element is not reflectively treated.

[0013] The reflective portion includes a first reflective surface and a second reflective surface on both sides of the light guide element, wherein the first reflective surface and the second reflective surface are both polished, and the first reflective surface is plated with a reflective layer, and the second reflective surface is plated with a reflective layer and provided with the pattern structure.

[0014] Wherein, an included angle ɑ between an extension direction of the reflective portion and an extension direction of the light guide element may be 7.5° to 10°.

[0015] Wherein, the reflectivity of the reflecting part is 10% to 75%.

[0016] Wherein, the diffusion structure is a fisheye pattern.

[0017] Wherein, the height of the fisheye pattern is 0.2 mm and the width is 0.3 mm.

[0018] Among them, the vehicle lamp assembly also includes a concave lens and an anti-blue light lens arranged in the light emitting direction of the light guide element.

[0019] The utility model discloses a vehicle lamp assembly, comprising a light guide element, wherein the light guide element comprises a light input end and a light output end, wherein the light output end is provided with a diffusion structure; and a bracket, wherein the bracket comprises a connecting portion and a reflecting portion, wherein the connecting portion is connected between the light input end and the light output end of the light guide element, and the reflecting portion extends from the light output end of the light guide element; wherein light incident from the light input end of the light guide element is emitted from the light output end of the light guide element, a part of the light emitted from the light output end of the light guide element is directly emitted along a light output direction to form a first lighting area, and another part of the light is emitted to the reflecting portion, and after being reflected by the reflecting portion, is emitted along the light output direction to form a second lighting area, wherein the first lighting area and the second lighting area have different brightnesses, thereby realizing multi-area lighting to satisfy the modeling effect while reducing the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figures 1 to 3 It is a cross-sectional view of a vehicle lamp assembly according to an embodiment of the utility model.

[0022] Figure 4 It is a cross-sectional view of a vehicle lamp assembly according to another embodiment of the utility model.

[0023] Figure 5 The utility model Figure 4 A partial enlarged view of point A in the middle.

[0024] Figure 6 It is the light propagation path of the optical pattern in the embodiment of the utility model.

[0025] Figures 7 to 9 This is the simulated lighting effect of the first lighting area and the second lighting area after different reflection processing of the utility model.

[0026] 101-circuit board, 102-light guiding element, 103-light source, 104-reflecting part, 1041-first reflecting surface, 1042-second reflecting surface, 105-concave lens, 106-anti-blue light lens, 107-light input end, 108-light output end, 109-diffusion structure, 110-bracket, 111-connecting part, 112-extension part, 201-first lighting area, 202-second lighting area. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] See also Figures 1 to 9 The utility model provides a vehicle lamp assembly, including a light guide element 102, wherein the light guide element 102 includes a light input end 107 and a light output end 108, wherein the light output end 108 is provided with a diffusion structure (see Figure 5 Reference number 109);

[0029] A bracket 110, the bracket 110 includes a connecting portion 111 and a reflecting portion 104, the connecting portion 111 is connected between the light input end 107 and the light output end 108 of the light guide element 102, and the reflecting portion 104 extends from the light output end 108 of the light guide element 102;

[0030] Among them, the light incident from the light input end 107 of the light guide element 102 is emitted from the light output end 108 of the light guide element 102, a part of the light emitted from the light output end 108 of the light guide element 102 is directly emitted along the light output direction to form a first lighting area 201, and another part of the light is emitted to the reflecting part 104, and after being reflected by the reflecting part 104, it is emitted along the light output direction to form a second lighting area 202, and the first lighting area 201 and the second lighting area 202 have different brightness.

[0031] In this embodiment, by increasing the reflective luminous area, multi-area lighting can be achieved without increasing the light source to meet the styling effect while reducing the cost of the lamp; further, by increasing the reflective luminous area, the present application can simultaneously identify the reflective area as the luminous area during regulatory certification of the lamp, so as to meet both styling needs and regulatory requirements.

[0032] Specifically, the light input end 107 of the light-guiding element 102 may be provided with a circuit board and a light source, and the light emitted by the light source enters the light input end 107 of the light-guiding element 102; the light input end 107 of the light-guiding element 102 may be a concentrator with a patterned structure, so as to be able to concentrate the light emitted by the light source into the light-guiding element 102; the patterned structure of the light input end 107 of the light-guiding element 102 is used for reflection, and the area of ​​each reflecting surface of the patterned structure may be 1.0 mm2, so as to be able to reflect the light and emit it from the light output end 108 of the light-guiding element 102.

[0033] Specifically, the diffusion structure disposed at the light emitting end 108 of the light guide element 102 can diffuse part of the light emitted from the light guide element 102 to the reflection portion 104 of the bracket 110 for reflection.

[0034] Furthermore, there may be a dark area between the first lighting area 201 and the second lighting area 202; the dark area may separate the first lighting area 201 and the second lighting area 202, thereby improving the multi-area lighting effect.

[0035] Furthermore, the connecting portion 111 is connected to the reflecting portion 104 via the extending portion 112 , there is a distance between the extending portion 112 and the light guide element 102 , and there is a distance between a side of the reflecting portion 104 close to the light guide element 102 and the light guide element 102 .

[0036] Thus, a dark area can be provided between the first lighting area 201 and the second lighting area 202 by the distance between the extending portion 112 and the light guide element 102 .

[0037] Furthermore, the surface of the reflective portion 104 facing the light guide element 102 is reflectively treated, and the reflective treatment may include one or more of polishing, coating a reflective layer, and setting a pattern structure, and the surface of the extending portion 112 facing the light guide element 102 is not reflectively treated.

[0038] In this embodiment, the reflection efficiency of the reflection part 104 can be significantly adjusted by polishing, plating a reflective layer or setting a patterned structure to achieve different lighting effects of the second lighting area 202 according to needs. At the same time, the surface of the extension part 112 facing the light guide element 102 is not reflectively treated to increase the contrast between the dark area and the second lighting area 202, so that the lighting boundary between the first lighting area 201 and the second lighting area 202 is clearer.

[0039] Furthermore, the reflective portion 104 includes a first reflective surface 1041 and a second reflective surface 1042 on both sides of the light guide element 102, wherein the first reflective surface 1041 and the second reflective surface 1042 are both polished, and the first reflective surface 1041 is plated with a reflective layer, and the second reflective surface 1042 is plated with a reflective layer and provided with the pattern structure. Thus, the first reflective surface 1041 and the second reflective surface 1042 can adopt different reflection processing methods to simultaneously achieve different lighting effects of multiple second lighting areas 202 according to needs.

[0040] Furthermore, the included angle ɑ between the extension direction of the reflective portion 104 and the extension direction of the light guide element 102 may be 7.5° to 10°, so as to cooperate with the reflection treatment of the surface to achieve the lighting effect of the second lighting area 202 .

[0041] Furthermore, the reflectivity of the reflective portion 104 may be set to be 10% to 75%.

[0042] In this embodiment, by setting the reflectivity to 10% to 75%, it is possible to ensure that the vehicle lamp assembly can provide optimal lighting performance under different driving conditions and regulatory requirements while taking energy efficiency, safety and aesthetic design into consideration.

[0043] The following exemplarily illustrates different lighting effects of different treatments of the reflective portion 104 through three embodiments.

[0044] Example 1: The bracket 110 is made of PC material, the angle ɑ between the extending direction of the reflective portion 104 and the extending direction of the light guide element 102 is 7.5°, the reflectivity of the surface of the reflective portion 104 facing the light guide element 102 is 10%, and the simulated lighting effect is as follows Figure 7 shown.

[0045] Embodiment 2: The bracket 110 is made of PC material, the angle ɑ between the extending direction of the reflective portion 104 and the extending direction of the light guide element 102 is 10°, the reflectivity of the surface of the reflective portion 104 facing the light guide element 102 is 75%, and the simulated lighting effect is as follows Figure 8 shown.

[0046] Embodiment 2: The bracket 110 is made of PC material. The angle ɑ between the extending direction of the reflective portion 104 and the extending direction of the light guide element 102 is 7.5°. The second reflective surface 1042 of the reflective portion 104 facing the light guide element 102 is aluminum-plated and provided with leather grain. The reflective rate of the first reflective surface 1041 of the reflective portion 104 facing the light guide element 102 is 40%. The simulated lighting effect is as follows: Fig. 9 shown.

[0047] This application can be implemented in more variations, which will not be described in detail here.

[0048] Furthermore, the diffusion structure 109 is a fish-eye pattern.

[0049] In this embodiment, the fisheye pattern design can diffuse the light emitted from the light source so that it is more evenly distributed in the area that requires illumination; this pattern structure reduces the focus and hot spots of light through scattering, thereby providing a wider lighting coverage.

[0050] Furthermore, in some optional embodiments, the fisheye pattern has a height of 0.2 mm and a width of 0.3 mm, so as to achieve a desired diffusion effect and diffuse more light to the reflection portion 104 for reflection.

[0051] See below Figure 4 , Figure 4 FIG. 2 is a cross-sectional view of a vehicle lamp assembly according to another embodiment of the present invention. Figure 1 On the basis of the vehicle lamp assembly, the vehicle lamp assembly of this embodiment further includes a concave lens 105 and an anti-blue light lens 106 arranged in the light emitting direction of the light guide element 102.

[0052] In this embodiment, the anti-blue light lens 106 and its specific materials and coating technology can effectively isolate ultraviolet rays and part of the blue light, reducing the continuous damage to the eyes. At the same time, by using the combination of the concave lens 105, the reflecting part 104 and the light guiding element 102, the light beam can be precisely controlled, the utilization rate of light can be improved, and glare can be reduced, thereby creating a light environment that is both energy-saving and comfortable.

[0053] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A vehicle lamp assembly, characterized in that: include: A light guide element, the light guide element comprising a light input end and a light output end, the light output end being provided with a diffusion structure; A bracket, the bracket comprising a connecting portion and a reflecting portion, the connecting portion being connected between a light input end and a light output end of the light guide element, and the reflecting portion extending from the light output end of the light guide element; Among them, the light incident from the light incident end of the light guide element is emitted from the light output end of the light guide element, a part of the light emitted from the light output end of the light guide element is directly emitted along the light output direction to form a first lighting area, and another part of the light is emitted to the reflecting part, and after being reflected by the reflecting part, it is emitted along the light output direction to form a second lighting area, and the first lighting area and the second lighting area have different brightness.

2. The vehicle lamp assembly according to claim 1, characterized in that: There is a dark area between the first lighting area and the second lighting area.

3. The vehicle lamp assembly according to claim 1, characterized in that: The connecting portion is connected to the reflecting portion through an extending portion, a distance is provided between the extending portion and the light guide element, and a distance is provided between a side of the reflecting portion close to the light guide element and the light guide element.

4. The vehicle lamp assembly according to claim 3, characterized in that: The surface of the reflective portion facing the light guide element is reflectively treated, wherein the reflective treatment includes one or more of polishing, coating a reflective layer, and setting a pattern structure, and the surface of the extending portion facing the light guide element is not reflectively treated.

5. The vehicle lamp assembly according to claim 4, characterized in that: The reflective portion includes a first reflective surface and a second reflective surface on both sides of the light guide element, wherein the first reflective surface and the second reflective surface are both polished, and the first reflective surface is plated with a reflective layer, and the second reflective surface is plated with a reflective layer and provided with the pattern structure.

6. The vehicle lamp assembly according to any one of claims 1 to 5, characterized in that: An included angle ɑ between an extension direction of the reflective portion and an extension direction of the light guide element may be 7.5° to 10°.

7. The vehicle lamp assembly according to any one of claims 1 to 5, characterized in that: The reflectivity of the reflecting portion is 10% to 75%.

8. The vehicle lamp assembly according to any one of claims 1 to 5, characterized in that: The diffusion structure is a fisheye pattern.

9. The vehicle lamp assembly according to claim 8, characterized in that: The fisheye pattern has a height of 0.2 mm and a width of 0.3 mm.

10. The vehicle lamp assembly according to any one of claims 1 to 5, characterized in that: Also includes: A concave lens and a blue light protection lens are arranged in the light emitting direction of the light guide element.