Vehicle lamp module with point-line-plane lighting effect conversion function and vehicle

By combining light guides, reflectors, and transparent light-distributing components, point light sources are transformed into linear and planar light sources, solving the problems of uneven headlight performance and the difficulty in balancing decoration and functionality, thus achieving uniform light distribution and improved decorative effects.

CN223663184UActive Publication Date: 2025-12-12CHANGSHU INSTITUTE OF TECHNOLOGY
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Patent Information

Application Number
CN202520221698.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-12-12
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Existing vehicle headlight designs suffer from poor uniformity of light efficiency, excessively high or low local light intensity, and difficulty in balancing aesthetics and functionality.

Method used

By employing a combination of light guides, reflectors, and transparent light-distributing components, point light sources are transformed into line and surface light sources. The irregular concave-convex structure and patterned light-transmitting components achieve uniform light distribution and decorative effects.

Benefits of technology

It achieves uniform distribution of light over a large area, enhancing the decorative and functional aspects of the headlights, avoiding the problems of light spots and dark areas in traditional designs, and improving the aesthetics and practicality of the headlights.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a car lamp module with a point-line-surface lighting effect conversion function, which comprises a shielding light-transmitting part, a light distribution transparent part, a reflecting part, a light guide part and a luminous source, the reflecting part comprises a concave reflecting curved surface, the light guide part is strip-shaped and is arranged along the edge of the concave reflecting curved surface, the luminous source is arranged at one end of the light guide part, and the light distribution transparent part is arranged at the other end of the light guide part. The light guide part guides light of the luminous source to the concave reflection curved surface, the light distribution transparent part is arranged in the reflection direction of the concave reflection curved surface and provided with a light diffusion surface and a light incidence surface, the light incidence surface faces the concave reflection curved surface, and the light diffusion surface is provided with an irregular concave-convex structure used for light reflection and refraction. The shielding light-transmitting piece is arranged in front of the light diffusion face and used for shielding the internal structure of the automobile lamp module and transmitting light. The utility model further discloses a vehicle with the vehicle lamp module. According to the utility model, the problems of light spots and dark areas are avoided, and both functionality and decoration are considered.
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Description

Technical Field

[0001] This utility model relates to a vehicle lighting module and a vehicle, and in particular to a vehicle lighting module and a vehicle with point, line and surface light effect conversion function. Background Technology

[0002] Current automotive lighting technologies generally employ simple bulbs or LED light sources, combined with optical components such as reflectors and lenses to guide and output light. However, these designs typically suffer from the following shortcomings: poor uniformity of light efficiency, where a single point light source directly illuminates a reflective surface, easily leading to excessively high local light intensity or uneven light distribution, failing to meet the requirement of uniform light emission over a large area; insufficient integrity of the reflective cavity structure, as the bulb light source usually requires openings in the reflective cavity, affecting the integrity of the reflective surface, resulting in decreased light efficiency and aesthetic damage; and difficulty in balancing aesthetics and functionality, as current technologies struggle to achieve both high light efficiency and decorative design, failing to meet users' demands for a combination of high performance and aesthetic appeal in automotive lighting. Utility Model Content

[0003] To address the shortcomings of the existing technology, this utility model provides a vehicle headlight module with point, line, and surface light effect conversion function, solving the problems of uneven light distribution, excessively bright or dim areas, and the difficulty in balancing decoration and functionality. This utility model also provides a vehicle including a vehicle headlight module with point, line, and surface light effect conversion function.

[0004] The technical solution of this utility model is as follows: A vehicle headlight module with point, line, and surface light effect conversion function includes a light-shielding and light-transmitting component, a light-distributing transparent component, a reflector, a light guide, and a light source. The reflector includes a concave reflective surface. The light guide is strip-shaped and arranged along the edge of the concave reflective surface. The light source is disposed at one end of the light guide. The light guide directs the light from the light source to the concave reflective surface. The light-distributing transparent component is disposed in the reflection direction of the concave reflective surface. The light-distributing transparent component has a light-diffusing surface and a light-incident surface. The light-incident surface is arranged facing the concave reflective surface. The light-diffusing surface has an irregular concave-convex structure for light reflection and refraction. The light-shielding and light-transmitting component is disposed in front of the light-diffusing surface. The light-shielding and light-transmitting component is used to shield the internal structure of the vehicle headlight module while allowing light to pass through.

[0005] Furthermore, in order to further enhance the decorative effect of the headlight module, a patterned light-transmitting element is provided between the light-shielding and light-distributing transparent element, and the surface of the patterned light-transmitting element is provided with a pattern layer, which is an opaque pattern.

[0006] Furthermore, the pattern layer of the patterned light-transmitting element is disposed in close contact with the light-blocking light-transmitting element.

[0007] Furthermore, the light-distributing transparent element is fixedly disposed at the leading edge of the reflector, and at least a portion of the light-distributing transparent element and the concave reflective surface are provided with a gap.

[0008] Furthermore, the light source is located on the side of the reflector. The light source is positioned as far away from the center as possible to reduce the amount of light directly hitting the light-distributing transparent element.

[0009] Furthermore, it includes a rear mounting bracket, which is fixedly connected to the back side of the reflector, and the back side of the rear mounting bracket is provided with a plurality of connecting posts.

[0010] Another technical solution of this utility model is: a vehicle, including the aforementioned headlight module with point, line and surface light effect conversion function.

[0011] Compared with the prior art, the advantages of the technical solution provided by this utility model are as follows:

[0012] By using light guides, reflectors, and transparent light-distributing components, point light sources are transformed into line and area light sources, avoiding the need for openings in the reflective cavity. This solves the problems of light spots and dark areas in traditional point light source lamps, achieving uniform light distribution over a large area. In addition, the transparent shielding component, combined with an irregular concave-convex structure, conceals the internal structure of the headlight module, achieving a hidden effect when not lit and a dazzling light effect when lit, thus balancing functionality and aesthetics.

[0013] Furthermore, the decorative effect of the headlights is enhanced by using irregular concave and convex structures and patterned light-transmitting elements to block and scatter light in multiple directions. Attached Figure Description

[0014] Figure 1 This is a front-view three-dimensional structural diagram of a car headlight module with point, line, and surface light effect conversion function.

[0015] Figure 2 This is a top-view three-dimensional structural diagram of a car headlight module with point, line, and surface light effect conversion function.

[0016] Figure 3 yes Figure 2 AA sectional view.

[0017] Figure 4 This is a front-view three-dimensional structure exploded diagram of a car headlight module with point, line, and surface light effect conversion function.

[0018] Figure 5 This is a rear-view 3D structural exploded view of a headlight module with point, line, and surface light effect conversion function.

[0019] Figure 6 This is a schematic diagram of the three-dimensional structure of the patterned light-transmitting component from the front view.

[0020] Figure 7 This is a schematic diagram of the three-dimensional structure of the light-distributing transparent component from the front view.

[0021] Figure 8 This is a front-view three-dimensional structural diagram of the reflector and light guide components. Detailed Implementation

[0022] The present invention will be further described below with reference to the embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. After reading this description, any modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.

[0023] Please combine Figures 1 to 5 As shown, the vehicle in this embodiment includes a headlight module with point, line and surface light effect conversion function. The headlight module with point, line and surface light effect conversion function includes a front-end fixing component 1, a light-shielding and light-transmitting component 2, a pattern light-transmitting component 3, a light-distributing transparent component 4, a reflector 5, a light guide 6, an LED light source 7, and a rear-end mounting bracket 8. It has the advantages of optical uniformity, beautiful appearance design, and compact and stable structure.

[0024] The front-end fixing component 1 is located at the very front of the headlight module, adjacent to the light-emitting surface 201 of the light-shielding and light-transmitting component 2. It is used to connect with the light-shielding and light-transmitting component 2 and provide a stable support structure. Its material is made of high-strength plastic or lightweight metal to ensure that the front-end fixing component 1 has the ability to resist aging and environmental changes during long-term use.

[0025] The light-shielding and light-transmitting component 2 is located between the front-end fixing component 1 and the patterned light-transmitting component 3. It includes a light-emitting surface 201 and an inner surface 202 arranged opposite to each other. The light-emitting surface 201 faces the outside of the headlight and is directly adjacent to the front-end fixing component 1. The inner surface 202 is arranged adjacent to the front surface 301 of the patterned light-transmitting component 3. The main function of the light-shielding and light-transmitting component 2 is to protect the internal optical structure and improve the appearance of the headlight. When the LED light source 7 is not lit, the light-shielding and light-transmitting component 2 can effectively shield the internal optical structure, making the irregular concave and convex structure 401a on the light-distributing transparent component 4 invisible or only faintly visible, thereby maintaining the simplicity and beauty of the overall appearance of the headlight. After the LED light source 7 is lit, the light-shielding and light-transmitting component 2 can ensure that the light is transmitted to the outside, providing a good lighting effect.

[0026] Please combine Figure 6As shown, the patterned light-transmitting element 3 is located between the shielding light-transmitting element 2 and the light-distributing transparent element 4, and includes a pattern layer 301 and a light-incident surface 302. The pattern layer 301 is disposed on the surface of the patterned light-transmitting element 3. The pattern layer 301 can be printed with an opaque coating on the surface of the light-transmitting element using screen printing technology, and the uncovered area forms a light-transmitting area, forming a decorative pattern. The light-incident surface 302 is disposed opposite to the light-diffusing surface 401 of the light-distributing transparent element 4, and is used to receive light from the light-distributing transparent element 4. The patterned light-transmitting element 3 generates a specific optical pattern through the pattern layer 301, adding a decorative effect to the vehicle headlight, while allowing light to pass through evenly, providing basic support for illumination. The flexible combination of the light-transmitting and shielding areas of the patterned light-transmitting element 3 can present a rich visual effect.

[0027] Please combine Figure 7 As shown, the light-distributing transparent element 4 is located behind the patterned light-transmitting element 3, positioned between the patterned light-transmitting element 3 and the reflector 5, and fixed to the leading edge of the reflector 5. It includes a light-diffusing surface 401 and a light-incident surface 402. The light-incident surface 402 is located at the rear of the light-distributing transparent element 4, aligned with the reflective surface 501 of the reflector 5, and receives light reflected from the reflective surface 501. A gap is provided between the light-incident surface 402 of the light-distributing transparent element 4 and at least a portion of the concave reflective surface 501, allowing for better light diffusion. The light-diffusing surface 401 is positioned towards the light-incident surface 302 of the patterned light-transmitting element 3, and has an irregular concave-convex structure 401a. The direction and depth of the irregular concave-convex structure 401a can gradually change from the center to the edge, uniformly dispersing the light intensity through multiple refractions and scatterings, avoiding excessive brightness at the center and dimness at the edges, and ensuring uniform distribution of light when transmitted from the reflector 5 to the patterned light-transmitting element 3. The irregular concave-convex structure 401a has multiple intersecting micro-geometric surfaces, such as triangles, trapezoids or polygons, which scatter light and cover a larger area through refraction and reflection at different angles.

[0028] Please combine Figure 8 As shown, the reflector 5 is located between the light-distributing transparent component 4 and the light guide component 6, and includes a reflective curved surface 501 and a fixed support surface 502. The reflective curved surface 501 is a concave structure formed by multiple smoothly connected reflective surfaces, and the light-distributing transparent component 4 is fixedly mounted on its leading edge. The reflective curved surface 501 guides and reflects the line light source formed by the light guide component 6, converting it into a surface light source so that it can more evenly illuminate the light incident surface 402 of the light-distributing transparent component 4. The fixed support surface 502 on the back side of the reflector 5 is connected to the mounting mating surface 802 of the rear mounting bracket 8, providing reliable support for the vehicle lamp module.

[0029] The light guide 6 is an inverted L-shaped strip component with one end being the light input end, which is directly connected to the LED light source 7 to receive the point light source light generated by the LED light source 7. The light guide 6 is arranged along one side edge of the reflective surface 501 of the reflector 5, and through internal geometric design, it converts the point light source into a line light source and illuminates the reflective surface 501 of the reflector 5 for reflection.

[0030] The rear mounting bracket 8 is located at the very end of the headlight module and includes a connecting post 801 and a mounting mating surface 802. The connecting post 801 is located on the back side of the rear mounting bracket 8 and is securely connected to a predetermined position on the vehicle (e.g., the body frame or headlight mounting slot) by screws, thereby ensuring the stability of the headlight module. The mounting mating surface 802 is abutted against the fixing support surface 502 of the reflector 5 and is tightly connected by adhesive or other fixing methods to ensure the stable positioning of the reflector 5 and provide reliable structural support for the overall headlight module.

[0031] The headlight module first converts the point light source generated by the LED light source 7 into a line light source through the light guide 6. The line light source is then further converted into a surface light source by the reflective surface 501 of the reflector 5. Subsequently, the surface light source passes through the irregular concave-convex structure 401a of the light distribution transparent component 4, undergoing multiple refractions and diffusions to achieve uniform light distribution and a soft effect, while also covering a wide area. Next, the light passes through the light-transmitting area of ​​the patterned light-transmitting component 3 to form a predetermined decorative light effect, while the non-light-transmitting area partially blocks the light, thus creating a flexible light-emitting pattern. Finally, the light passes through the light-emitting surface 201 of the shielded light-transmitting component 2, uniformly illuminating the road ahead.

Claims

1. A vehicle headlight module with point, line, and surface light effect conversion function, characterized in that, The device includes a light-shielding and light-transmitting component, a light-distributing transparent component, a reflector, a light guide, and a light source. The reflector includes a concave reflective surface. The light guide is strip-shaped and arranged along the edge of the concave reflective surface. The light source is located at one end of the light guide, which directs the light from the light source to the concave reflective surface. The light-distributing transparent component is positioned in the reflection direction of the concave reflective surface and has a light-diffusing surface and a light-incident surface. The light-incident surface faces the concave reflective surface. The light-diffusing surface has an irregular concave-convex structure for light reflection and refraction. The light-shielding and light-transmitting component is located in front of the light-diffusing surface and is used to shield the internal structure of the vehicle headlight module while allowing light to pass through.

2. The vehicle headlight module with point, line, and surface light effect conversion function according to claim 1, characterized in that, A patterned light-transmitting element is provided between the light-shielding and light-distributing transparent elements. The surface of the patterned light-transmitting element is provided with a pattern layer, and the pattern layer is an opaque pattern.

3. The vehicle headlight module with point, line, and surface light effect conversion function according to claim 2, characterized in that, The pattern layer of the patterned light-transmitting component is set in close contact with the light-transmitting shielding component.

4. The vehicle headlight module with point, line, and surface light effect conversion function according to claim 1, characterized in that, The light-distributing transparent element is fixedly disposed at the front edge of the reflector, and a gap is provided between the light-distributing transparent element and at least a portion of the concave reflective surface.

5. The vehicle headlight module with point, line, and surface light effect conversion function according to claim 1, characterized in that, The light source is located on the side of the reflector.

6. The vehicle headlight module with point, line, and surface light effect conversion function according to claim 1, characterized in that, It includes a rear mounting bracket, which is fixedly connected to the back side of the reflector, and the back side of the rear mounting bracket is provided with several connecting posts.

7. A vehicle, characterized in that, The vehicle headlight module with point, line, and surface light effect conversion function as described in any one of claims 1 to 6.