LED automobile lamp

By rationally arranging LED beads and combining them with the design of convex mirrors and light guides, the problems of limited lighting range and uneven light in LED automotive lights have been solved, achieving a more uniform lighting effect and improving the luminous efficiency and driving safety of the lamps.

CN223939258UActive Publication Date: 2026-02-24PINGXIANG BOWANG IND CO LTD
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Patent Information

Application Number
CN202520696338.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-02-24
Estimated Expiration
2035-04-14

AI Technical Summary

Technical Problem

Existing LED automotive lights fail to fully utilize the directional characteristics of LEDs, resulting in limited illumination range or uneven light distribution.

Method used

By employing a reasonable layout of the first and second LED beads, combined with the design of a convex mirror and a light guide ring, the convex mirror concentrates the central light source and projects it to a long distance, while the light guide ring disperses the edge light source, thereby improving the light efficiency and illumination uniformity.

Benefits of technology

It achieves a more uniform light distribution, expands the lighting range, and provides a safer and more comfortable driving view.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile lamps, in particular to an LED automobile lamp which comprises a shell and a circuit board, the circuit board is arranged in the shell, a plurality of first LED lamp beads are arranged in the middle of the circuit board, a plurality of second LED lamp beads are arranged on the edge of the circuit board, a reflection cup is arranged in the middle of the front end of the shell, a convex lens is arranged in the middle of the reflection cup, and the convex lens is arranged in the middle of the shell. A light guide ring is arranged on the periphery of the reflection cup, the convex lens is located on the outer side of the first LED lamp bead, and the light guide ring is located on the outer side of the second LED lamp bead. The first LED lamp beads and the second LED lamp beads are reasonably arranged, the design of the convex lens and the light guide ring is combined, light rays can be more concentrated and evenly distributed, the convex lens is located on the outer side of the first LED lamp beads, a light source in the middle can be concentrated and projected to a farther distance, the light guide ring assists in dispersing light sources on the edge, the illumination range is enlarged, and the light guide ring is arranged on the outer side of the first LED lamp beads. Therefore, the lighting effect utilization rate of the whole lamp is improved, more uniform illumination distribution is achieved, and a safer and more comfortable driving visual field is provided.
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Description

Technical Field

[0001] This utility model relates to the field of automotive lighting technology, and in particular to an LED automotive light. Background Technology

[0002] With the development of the automotive industry and the advancement of technology, the requirements for automotive lighting systems are becoming increasingly stringent. Traditional automotive lamps mostly use halogen or xenon lamps as light sources. While these light sources can meet basic lighting needs, they have many shortcomings in terms of energy efficiency, lifespan, and lighting effect. In recent years, LEDs (light-emitting diodes) have become increasingly widely used in the automotive lighting field due to their advantages such as high efficiency, long lifespan, small size, and fast response.

[0003] However, existing LED automotive lights still have some design problems. Many LED automotive lights fail to make full use of the directional characteristics of LEDs for effective light distribution, resulting in limited lighting range or uneven light distribution. Utility Model Content

[0004] The present invention aims to at least solve the technical problems existing in the prior art. To this end, the present invention proposes an LED automotive lamp that improves the luminous efficiency of the lamp and enhances the uniformity of illumination.

[0005] An LED automotive light according to some embodiments of the present invention includes a housing and a circuit board. The circuit board is disposed inside the housing. A plurality of first LED beads are disposed in the middle of the circuit board, and a plurality of second LED beads are disposed along the edge of the circuit board. The second LED beads are arranged around the outer periphery of the first LED beads. A reflector is disposed in the middle of the front end of the housing. A convex lens is disposed in the middle of the reflector. A plurality of arc-shaped protrusions are disposed on the reflector. A light guide ring is disposed around the outer periphery of the reflector. The light guide ring is annular. The first LED beads are disposed corresponding to the convex lens, which is located outside the first LED beads. The second LED beads are disposed corresponding to the light guide ring, which is located outside the second LED beads.

[0006] An LED automotive light according to some embodiments of the present invention has at least the following beneficial effects:

[0007] This invention, through the rational arrangement of the first and second LED beads and the combination of a convex mirror and a light guide ring, enables the light to be more concentrated and evenly distributed. The convex mirror, located on the outer side of the first LED bead, helps to concentrate the central light source and project it to a greater distance, while the light guide ring helps to disperse the edge light source and expand the illumination range, thereby improving the overall luminous efficiency of the lamp. Since the second LED bead is arranged around the outer periphery of the first LED bead and corresponds to the light guide ring, this design can effectively overcome the common problem of bright center and dark edge in traditional lamps, achieving a more uniform light distribution and providing a safer and more comfortable driving vision.

[0008] According to some embodiments of the present invention, an LED automotive light includes a housing, a mounting cover, and a transparent outer cover. The mounting cover is disposed on the outside of the housing, and the edge of the transparent outer cover is connected to the edge of the mounting cover. The circuit board, the light guide ring, and the reflector are all disposed between the mounting cover and the transparent outer cover.

[0009] According to some embodiments of the present invention, an LED automotive light has an assembly groove in the middle of the mounting cover, a circuit board disposed inside the assembly groove, and the outer wall of the light guide ring abutting against the inner wall of the assembly groove.

[0010] According to some embodiments of the present invention, an LED automotive light has a plurality of positioning posts on the outer side of the assembly slot, and a plurality of positioning holes on the circuit board, wherein the positioning holes correspond one-to-one with the positioning posts.

[0011] According to some embodiments of the present invention, an LED automotive light has a positioning block provided on the mounting groove and a notch provided on the circuit board, with the positioning block corresponding to the notch.

[0012] According to some embodiments of the present invention, an LED automotive light has a plurality of positioning holes and a plurality of wire-passing holes on the inner side of the mounting cover.

[0013] According to some embodiments of the present invention, an LED automotive light has a plurality of snap-fit ​​grooves on the inner wall of the top of the housing and a plurality of snap-fit ​​blocks on the outer side of the transparent outer cover, wherein the snap-fit ​​grooves and the snap-fit ​​blocks are arranged in a one-to-one correspondence.

[0014] According to some embodiments of the present invention, in an LED automotive light, the convex mirror is a beaded lens.

[0015] According to some embodiments of the present invention, an LED car light has a license plate light provided on the outer side of the housing.

[0016] According to some embodiments of the present invention, an LED automotive light has a side marker light provided on the outer side of the housing.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0020] Figure 2 This is a schematic diagram of the structure of this utility model after the transparent outer cover is removed.

[0021] Figure 3 The image shown is a front view of the present invention with the transparent outer cover and the cover assembled, but this view is hidden.

[0022] Figure 4 This is a schematic diagram of the structure of the transparent outer cover according to an embodiment of the present utility model.

[0023] Reference numerals: 1. Housing, 2. Circuit board, 3. First LED bead, 4. Second LED bead, 5. Reflector cup, 6. Convex lens, 7. Arc-shaped protrusion, 8. Light guide ring, 9. Outer shell, 10. Assembly cover, 11. Transparent outer cover, 12. Assembly slot, 13. Positioning post, 15. Positioning block, 16. Notch, 17. Positioning hole, 18. Wire hole, 19. License plate light, 20. Snap-fit ​​slot, 21. Snap-fit ​​block, 22. Side marker light. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0025] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, left, right, front, and back, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0027] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0028] like Figures 1-4 As shown, this utility model embodiment provides an LED automotive light.

[0029] An LED automotive light includes a housing 1 and a circuit board 2. The circuit board 2 is disposed inside the housing 1. A plurality of first LED beads 3 are disposed in the middle of the circuit board 2, and a plurality of second LED beads 4 are disposed along the edge of the circuit board 2. The second LED beads 4 are arranged around the outer periphery of the first LED beads 3. A reflector cup 5 is disposed in the middle of the front end of the housing 1. A convex lens 6 is disposed in the middle of the reflector cup 5. A plurality of arc-shaped protrusions 7 are disposed on the reflector cup 5. A light guide ring 8 is disposed around the outer periphery of the reflector cup 5. The light guide ring 8 is annular. The first LED beads 3 are correspondingly disposed with the convex lens 6, and the convex lens 6 is located outside the first LED beads 3. The second LED beads 4 are correspondingly disposed with the light guide ring 8, and the light guide ring 8 is located outside the second LED beads 4.

[0030] This embodiment of an LED automotive lamp includes a housing 1 comprising an outer shell 9, a mounting cover 10, and a transparent outer cover 11. The mounting cover 10 is disposed on the outside of the outer shell 9, and the edge of the transparent outer cover 11 is connected to the edge of the mounting cover 10. The circuit board 2, the light guide ring 8, and the reflector 5 are all disposed between the mounting cover 10 and the transparent outer cover 11. Specifically, the housing is composed of the outer shell 9, the mounting cover 10, and the transparent outer cover 11. This layered structure not only protects the internal components from external environmental influences but also facilitates the assembly and maintenance of the lamp.

[0031] Understandably, the transparent cover 11 can also be set to red transparent or yellow transparent to match different colored car lights.

[0032] Understandably, the light guide ring 8 is a semi-transparent light guide ring. When stationary, it can cover the inner surface. When looking in from the outer surface, the second LED bead 4 cannot be seen. When the second LED bead 4 is lit, the light diffuses in a soft form.

[0033] In this embodiment of an LED automotive lamp, a mounting groove 12 is provided in the middle of the mounting cover 10, and the circuit board 2 is disposed inside the mounting groove 12. The outer wall of the light guide ring 8 abuts against the inner wall of the mounting groove 12. Specifically, by providing a mounting groove 12 in the middle of the mounting cover 10 and placing the circuit board 2 inside it, the stable installation of the circuit board 2 is ensured; the design of the outer wall of the light guide ring 8 abutting against the inner wall of the mounting groove 12 further ensures the stability and compactness of the lamp structure and improves the durability of the product.

[0034] In this embodiment of an LED automotive lamp, the outer side of the assembly slot 12 is provided with multiple positioning posts 13, and the circuit board 2 is provided with multiple positioning holes (not shown). The positioning holes are arranged one-to-one with the positioning posts 13. Specifically, the multiple positioning posts 13 on the outer side of the assembly slot 12 correspond one-to-one with the positioning holes on the circuit board 2. This design can accurately fix the position of the circuit board, avoid displacement caused by vibration and other factors, and enhance the reliability and stability of the lamp.

[0035] In this embodiment of an LED automotive light, a positioning block 15 is provided on the assembly slot 12, and a notch 16 is provided on the circuit board 2. The positioning block 15 is correspondingly arranged with the notch 16. Specifically, the positioning block 15 on the assembly slot 12 and the notch 16 on the circuit board 2 are correspondingly arranged, which makes the installation of the circuit board 2 more accurate and convenient, and also facilitates quick alignment and assembly, thereby improving production efficiency.

[0036] In this embodiment of an LED automotive light, the mounting cover 10 has several positioning holes 17 and several wire passage holes 18 on its inner side. Specifically, the positioning holes 17 and wire passage holes 18 on the inner side of the mounting cover 10 facilitate the connection and management of wires and simplify the electrical connection process.

[0037] According to some embodiments of the present invention, an LED car light includes a license plate light 19 on the outer side of the housing 1. Specifically, the license plate light 19 can be used to illuminate the car for photography.

[0038] In this embodiment of an LED automotive light, the inner wall of the top of the housing 9 is provided with multiple snap-fit ​​slots 20, and the outer side of the transparent outer cover 11 is provided with multiple snap-fit ​​blocks 21. The snap-fit ​​slots 20 and snap-fit ​​blocks 21 are arranged in a one-to-one correspondence. Specifically, the snap-fit ​​slots 20 on the inner wall of the top of the housing 9 and the snap-fit ​​blocks 21 on the transparent outer cover 11 provide a simple and effective fixing method, eliminating the need for additional screws or other fasteners, thus saving costs and facilitating disassembly and maintenance.

[0039] In this embodiment of the LED automotive lamp, the convex mirror 6 is a beaded lens. Specifically, using a beaded lens as the convex mirror 6 provides better light scattering performance, effectively improving light utilization and resulting in a wider illumination range and more uniform light distribution.

[0040] In this embodiment of an LED automotive light, a side marker light 22 is provided on the outer side of the housing 1. Specifically, the side marker light 22 can convey information to the outside world from the side of the vehicle.

[0041] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An LED automotive light, characterized in that: The device includes a housing and a circuit board. The circuit board is disposed within the housing. A plurality of first LED beads are disposed in the center of the circuit board, and a plurality of second LED beads are disposed along the edge of the circuit board. The second LED beads are arranged around the outer periphery of the first LED beads. A reflector is disposed in the center of the front end of the housing. A convex lens is disposed in the center of the reflector. A plurality of arc-shaped protrusions are disposed on the reflector. A light guide ring is disposed around the outer periphery of the reflector. The light guide ring is annular. The first LED beads are disposed corresponding to the convex lens, which is located outside the first LED beads. The second LED beads are disposed corresponding to the light guide ring, which is located outside the second LED beads.

2. The LED automotive light according to claim 1, characterized in that: The housing includes an outer shell, an assembly cover, and a transparent outer cover. The assembly cover is disposed on the outside of the outer shell, and the edge of the transparent outer cover is connected to the edge of the assembly cover. The circuit board, the light guide ring, and the reflector are all disposed between the assembly cover and the transparent outer cover.

3. The LED automotive light according to claim 2, characterized in that: The assembly cover has an assembly groove in the middle, the circuit board is disposed inside the assembly groove, and the outer wall of the light guide ring abuts against the inner wall of the assembly groove.

4. The LED automotive light according to claim 3, characterized in that: The assembly slot has multiple positioning posts on its outer side, and the circuit board has multiple positioning holes, with each positioning hole corresponding to one of the positioning posts.

5. An LED automotive light according to claim 3, characterized in that: The assembly slot is provided with a positioning block, and the circuit board is provided with a notch. The positioning block is provided in correspondence with the notch.

6. An LED automotive light according to claim 2, characterized in that: The inner side of the assembly cover has several positioning holes and several wire passage holes.

7. An LED automotive light according to claim 2, characterized in that: The inner wall of the top of the outer shell is provided with multiple snap-fit ​​slots, and the outer side of the transparent outer cover is provided with multiple snap-fit ​​blocks, with each snap-fit ​​slot corresponding to one of the snap-fit ​​blocks.

8. An LED automotive light according to claim 1, characterized in that: The convex lens is a beaded lens.

9. An LED automotive light according to claim 1, characterized in that: A license plate light is provided on the outside of the housing.

10. An LED automotive lamp according to claim 1, characterized in that: Side indicator lights are provided on the outer side of the housing.