Vehicle lamp assembly and vehicle
By designing multiple reflective surfaces and a sawtooth structure in the automotive lighting components, the light propagation path is optimized, solving the problems of light intensity and range in miniaturized automotive lighting components, achieving efficient light uniformity and brightness, and reducing cost and weight.
Patent Information
- Application Number
- CN202410782963.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2044-06-18
AI Technical Summary
In the pursuit of miniaturization and high performance, existing automotive lighting components struggle to achieve both a large illumination range and high light intensity, resulting in light energy loss and poor visual effects.
By setting multiple reflective surfaces and sawtooth structures in the light guide, multiple propagation paths of light are designed, including a first reflective surface, a second reflective surface, and a third reflective surface. Combined with the diffusion angle and sawtooth structure, the reflection and convergence of light are optimized, and the uniformity and intensity of light are enhanced.
This technology enables vehicle lighting components to achieve a large illumination range and high light intensity in a smaller volume, improving light efficiency and visual effects, while reducing the number of parts and weight, and lowering manufacturing costs.
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Figure CN118623254B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present disclosure relates to the technical field of automobile accessories, and in particular relates to a vehicle lamp assembly and a vehicle. BACKGROUND
[0002] The vehicle lamp assembly is used to emit light to provide vehicle driving information to other traffic participants.
[0003] In the related art, the vehicle lamp assembly includes a light source and a light guide. The light source emits light which is transmitted through the light guide and then emitted. With the development of the automobile industry gradually maturing and stabilizing, higher and higher requirements are proposed in terms of improving the performance of the vehicle lamp. On the premise that the designed vehicle lamp can strictly comply with regulations, the appearance, overall compactness and size of the light emitting area of the vehicle lamp assembly are also increasingly small in order to achieve a delicate appearance.
[0004] Therefore, it is necessary to design a vehicle lamp assembly with a smaller size. SUMMARY
[0005] The present disclosure provides a vehicle lamp assembly and a vehicle, which can solve the technical problems in the related art. The technical solutions of the vehicle lamp assembly and the vehicle are as follows.
[0006] In a first aspect, the present disclosure provides a vehicle lamp assembly, which includes a light source and a light guide.
[0007] The light guide has a groove structure, a third reflecting surface and a light emitting surface. The groove structure has a first reflecting surface and a second reflecting surface. The groove structure has an opening on a first side of the light guide.
[0008] The light source is opposite to the groove structure and located on a second side of the light guide. The first side and the second side are opposite to each other. The first reflecting surface and the second reflecting surface are both located on an emitting light path of the light source.
[0009] The first reflecting surface is configured to reflect a part of light emitted by the light source to the light emitting surface.
[0010] The second reflecting surface is configured to reflect another part of light emitted by the light source to the third reflecting surface. The third reflecting surface is configured to reflect the received light to the light emitting surface.
[0011] In a possible implementation, the height of the first reflecting surface gradually increases along a direction close to the light emitting surface.
[0012] The height of the second reflecting surface gradually increases along a direction close to the third reflecting surface.
[0013] The technical scheme provided by the present disclosure is characterized in that the first reflecting surface is used to converge the light emitted by the light source, so that the light is reflected to the light emitting surface in a concentrated manner, thereby avoiding the light from being incident to other sides of the light guide body and causing energy loss of the light. In this way, the illumination intensity of the vehicle lamp assembly can be enhanced. The second reflecting surface is used to converge the light emitted by the light source, so that the light is reflected to the third reflecting surface in a concentrated manner. This avoids the light from being incident to other sides of the light guide body, thereby enabling the third reflecting surface to reflect more light, and thus increasing the illumination range of the vehicle lamp assembly.
[0014] In a possible implementation, the light source is opposite to the first reflecting surface and the second reflecting surface at the connection position.
[0015] The technical scheme provided by the present disclosure is characterized in that the first reflecting surface is used to converge the light emitted by the light source, so that the light is reflected to the light emitting surface in a concentrated manner, thereby avoiding the light from being incident to other sides of the light guide body and causing energy loss of the light. In this way, the illumination intensity of the vehicle lamp assembly can be enhanced. The second reflecting surface is used to converge the light emitted by the light source, so that the light is reflected to the third reflecting surface in a concentrated manner. This avoids the light from being incident to other sides of the light guide body, thereby enabling the third reflecting surface to reflect more light, and thus increasing the illumination range of the vehicle lamp assembly.
[0016] In a possible implementation, the sum of the diffusion angles of the second reflecting surface and the third reflecting surface is greater than the diffusion angle of the first reflecting surface.
[0017] The technical scheme provided by the present disclosure is characterized in that the first reflecting surface is used to converge the light emitted by the light source, so that the light is reflected to the light emitting surface in a concentrated manner, thereby avoiding the light from being incident to other sides of the light guide body and causing energy loss of the light. In this way, the illumination intensity of the vehicle lamp assembly can be enhanced. The second reflecting surface is used to converge the light emitted by the light source, so that the light is reflected to the third reflecting surface in a concentrated manner. This avoids the light from being incident to other sides of the light guide body, thereby enabling the third reflecting surface to reflect more light, and thus increasing the illumination range of the vehicle lamp assembly.
[0018] In a possible implementation, the diffusion angle of the second reflecting surface is greater than the diffusion angle of the first reflecting surface.
[0019] The technical scheme provided by the present disclosure is characterized in that the first reflecting surface is used to converge the light emitted by the light source, so that the light is reflected to the light emitting surface in a concentrated manner, thereby avoiding the light from being incident to other sides of the light guide body and causing energy loss of the light. In this way, the illumination intensity of the vehicle lamp assembly can be enhanced. The second reflecting surface is used to converge the light emitted by the light source, so that the light is reflected to the third reflecting surface in a concentrated manner. This avoids the light from being incident to other sides of the light guide body, thereby enabling the third reflecting surface to reflect more light, and thus increasing the illumination range of the vehicle lamp assembly.
[0020] In a possible implementation, the diffusion angle of the first reflecting surface is 5°-10°.
[0021] In a possible implementation, the diffusion angle of the second reflecting surface is 20°-30°.
[0022] In a possible implementation, the third reflecting surface has a sawtooth structure, and a width of the sawtooth structure is less than a width of the light emitting surface.
[0023] The technical solution provided by the present disclosure can make the light reflected by the sawtooth structure as much as possible to be within the coverage range of the light emitting surface, avoid light loss caused by more light being reflected to the side wall of the light guide body, and thus improve the illumination intensity of the light emitting surface.
[0024] In a possible implementation, the sawtooth structure includes a first sawtooth part and a second sawtooth part.
[0025] The first sawtooth part and the second sawtooth part are alternately arranged, the first sawtooth part is opposite to the light source, and the second sawtooth part is opposite to a gap between the two light sources, where a length L1 of the first sawtooth part is less than a length L2 of the second sawtooth part.
[0026] The technical solution provided by the present disclosure can make the distance between the first sawtooth part and the second sawtooth part and the light source close, so that the light reflected by the first sawtooth part and the second sawtooth part is more uniform, and thus the light emitted by the light emitting surface is more uniform.
[0027] In a possible implementation, the second side of the light guide body further has a light collecting surface.
[0028] The light collecting surface is located in a light path between the light source and the first reflecting surface and in a light path between the light source and the second reflecting surface.
[0029] The technical solution provided by the present disclosure can converge the light emitted by the light source, avoid the light emitted by the light source from being scattered to other directions and thus wasted, make more light emitted to the first reflecting surface and the second reflecting surface, and thus make the vehicle lamp assembly have a higher illumination intensity, so as to better provide vehicle driving information to other traffic participants.
[0030] In a possible implementation, the light emitting surface has a diffusion pattern structure, and the diffusion pattern structure is used to expand the coverage range of the light.
[0031] The technical solution provided by the present disclosure can make the light more uniform, and thus present a better visual effect.
[0032] In a second aspect, the present disclosure further provides a vehicle, which includes the vehicle lamp assembly according to any one of the first aspect.
[0033] The technical solution provided by the present disclosure has at least the following beneficial effects:
[0034] The present disclosure provides a vehicle lamp assembly, which comprises a plurality of light sources and a light guide. After the light sources emit light, part of the light is emitted to a first reflecting surface, the first reflecting surface reflects the light to a light emitting surface, thereby completing a first propagation path of the light. Another part of the light emitted by the light sources is emitted to a second reflecting surface, the second reflecting surface reflects the light to a third reflecting surface. The third reflecting surface reflects the light to the light emitting surface, thereby completing a second propagation path of the light. In this way, the light guide can guide two paths of light, thereby expanding the light irradiation range. Therefore, even if the volume of the vehicle lamp assembly is small, a larger irradiation range can be achieved, thereby improving the uniformity of light irradiation and light efficiency of the vehicle lamp assembly.
[0035] In addition, the light emitted by each light source can be effectively diffused, so that the distance between the light sources can be increased, thereby reducing the number of light sources, thereby reducing the volume of the vehicle lamp assembly. The mounting structure inside the vehicle lamp assembly is simplified, the number of parts is reduced, the weight of the vehicle lamp assembly is reduced, and the manufacturing cost of the vehicle lamp assembly is also reduced.
[0036] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. BRIEF DESCRIPTION OF DRAWINGS
[0037] The accompanying drawings, which are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present disclosure and, together with the specification, serve to explain the principles of the present disclosure. In the drawings:
[0038] Figure 1 is a structural schematic diagram of a vehicle lamp assembly according to an embodiment of the present disclosure;
[0039] Figure 2 is a structural schematic diagram of a vehicle lamp assembly according to an embodiment of the present disclosure;
[0040] Figure 3 is a structural schematic diagram of a vehicle lamp assembly according to an embodiment of the present disclosure;
[0041] Figure 4 is a light path diagram of a vehicle lamp assembly according to an embodiment of the present disclosure;
[0042] Figure 5 is a structural schematic diagram of a vehicle lamp assembly according to an embodiment of the present disclosure;
[0043] Figure 6 is a light path diagram of a vehicle lamp assembly according to an embodiment of the present disclosure.
[0044] LEGEND
[0045] 1. Light source;
[0046] 2. Light guide;
[0047] 21. A groove structure, 211. A first reflecting surface, 212. A second reflecting surface;
[0048] 22. A third reflecting surface, 221. A sawtooth structure, 2211. A first sawtooth part, 2212. A second sawtooth part;
[0049] 23. A light exit surface, 231. A diffusion pattern structure;
[0050] 24. A light collecting surface.
[0051] The specific embodiments of the present disclosure have been shown in the above-described drawings, and will be described in more detail hereinafter. These drawings and detailed description are not intended to limit the scope of the present disclosure concept in any way, but to illustrate the present disclosure concept to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0052] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the embodiments of the present disclosure will be described in further detail below with reference to the drawings.
[0053] The terms used in the embodiments of the present disclosure are only used to explain the embodiments of the present disclosure, and are not intended to limit the present disclosure. Unless otherwise defined, the technical terms or scientific terms used herein should be understood as the general meaning understood by those skilled in the art to which the present disclosure belongs. The terms "first", "second", "third" and the like used in the specification and claims of the present patent application do not represent any order, number or importance, but are only used to distinguish different components. Similarly, "one" or "a" and the like do not represent a quantity limitation, but represent the existence of multiple. The terms "including", "containing" and the like mean that the elements or objects appearing before "including" or "containing" cover the elements or objects listed after "including" or "containing" and their equivalents, and do not exclude other elements or objects. The terms "connected" or "connected" and the like are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0054] The vehicle lamp assembly is used to emit light, and is used to provide vehicle driving information to other traffic participants.
[0055] In the related art, a vehicle lamp assembly includes a light source and a light guide. The light source emits light, which is transmitted through the light guide and then emitted. With the development and maturity of the automotive industry, higher and higher requirements are proposed for improving the performance of vehicle lamps. Under the premise that the designed vehicle lamp can strictly meet the regulations, the appearance, overall compactness and size of the light emitting area of the vehicle lamp assembly are becoming smaller and smaller in order to achieve a delicate appearance.
[0056] Therefore, there is a need to design a vehicle lamp assembly with a smaller size.
[0057] In view of the above technical problems, the embodiments of the present disclosure provide a vehicle lamp assembly, which has a smaller size and a larger illumination angle. Hereinafter, the implementation of the vehicle lamp assembly is exemplarily described.
[0058] As shown in Figures 1-3 The vehicle lamp assembly includes a light source 1 and a light guide 2. The light guide 2 has a groove structure 21, a third reflecting surface 22 and a light emitting surface 23. The groove structure 21 has a first reflecting surface 211 and a second reflecting surface 212. The groove structure 21 has an opening on a first side of the light guide 2. The light source 1 is opposite to the groove structure 21 and is located on a second side of the light guide 2. The first side and the second side are opposite to each other. The first reflecting surface 211 and the second reflecting surface 212 are both located on the light emitting path of the light source 1. The first reflecting surface 211 is used to reflect a part of the light emitted by the light source to the light emitting surface 23. The second reflecting surface 212 is used to reflect another part of the light emitted by the light source to the third reflecting surface 22. The third reflecting surface 22 is used to reflect the received light to the light emitting surface 23.
[0059] The vehicle lamp assembly can be a brake lamp, a turn signal lamp and a backup lamp, etc.
[0060] The light source 1 can be a light emitting diode (LED).
[0061] The entire light guide 2 is an integral structure.
[0062] The number of light sources 1 is multiple. The number of groove structures 21 can be the same as the number of light sources 1.
[0063] The technical scheme provided by the embodiments of the present disclosure increases the propagation path of the light in the light guide body 2 by setting the second reflecting surface 212 and the third reflecting surface 22. After the light source 1 emits light, part of the light is emitted to the first reflecting surface 211, and the first reflecting surface 211 reflects the light to the light emitting surface 23, thereby completing the first propagation path of the light. Another part of the light emitted by the light source 1 is emitted to the second reflecting surface 212, and the second reflecting surface 212 reflects the light to the third reflecting surface 22. The third reflecting surface 22 reflects the light to the light emitting surface 23, thereby completing the second propagation path of the light. In this way, the light guide body 2 can guide two paths of light, thereby expanding the light irradiation range. Therefore, even if the size of the vehicle lamp assembly is small, a larger light irradiation range can be achieved, thereby improving the uniformity of the light irradiation and the light efficiency of the vehicle lamp assembly.
[0064] In addition, the light emitted by each light source 1 can be effectively diffused, so that the distance between the plurality of light sources 1 can be increased, thereby reducing the number of light sources 1, thereby reducing the size of the vehicle lamp assembly. The mounting structure inside the vehicle lamp assembly is simplified, the number of parts is reduced, the weight of the vehicle lamp assembly is reduced, and the cost of the vehicle lamp assembly can also be reduced.
[0065] In some examples, as shown in FIG. 1, the height of the first reflecting surface 211 gradually increases along the direction close to the light emitting surface 23. The height of the second reflecting surface 212 gradually increases along the direction close to the third reflecting surface 22. Figure 3
[0066] In some examples, as shown in FIG. 1, the height of the first reflecting surface 211 gradually increases along the direction close to the light emitting surface 23. The height of the second reflecting surface 212 gradually increases along the direction close to the third reflecting surface 22.
[0067] The second reflecting surface 212 is used to converge another part of the light emitted by the light source 1, so that the light is more concentrated and reflected to the third reflecting surface 22. Avoiding the light from being incident to other sides of the light guide body 2, so that the third reflecting surface 22 can reflect more light, thereby increasing the light irradiation range of the vehicle lamp assembly.
[0068] In this way, the vehicle lamp assembly can have both strong light intensity and large light irradiation range, thereby better providing vehicle driving information to other road users.
[0069] In some examples, as shown in FIG. 1, the light source 1 is opposite to the connection between the first reflecting surface 211 and the second reflecting surface 212. In this way, the difference between the amount of light entering the first reflecting surface 211 and the amount of light entering the second reflecting surface 212 can be avoided. Figure 3
[0070] If the light quantity of the second reflecting surface 212 is too much, and the light quantity of the first reflecting surface 211 is less, the light reflected by the third reflecting surface 22 will be too much. The light diffusion is too much, which will cause a large energy loss, resulting in a low light intensity.
[0071] If the light quantity of the second reflecting surface 212 is too less, and the light quantity of the first reflecting surface 211 is more, the light reflected by the third reflecting surface 22 will be less. In this way, although the vehicle lamp assembly has a large light intensity, the light range will be concentrated at the position opposite to the light source 1. This will cause the vehicle lamp assembly to emit light unevenly.
[0072] Therefore, the light source 1 is arranged at the position opposite to the connection of the first reflecting surface 211 and the second reflecting surface 212, so that the vehicle lamp assembly can have a strong light intensity and a large light range, thereby better providing the vehicle driving information to other traffic participants.
[0073] In other examples, each groove structure 21 can also be opposite to two light sources 1, one light source 1 is opposite to the first reflecting surface 211 and emits light to the first reflecting surface 211. Another light source 1 is opposite to the second reflecting surface 212 and emits light to the second reflecting surface 212.
[0074] In some examples, the sum of the diffusion angles of the second reflecting surface 212 and the third reflecting surface 22 is greater than the diffusion angle of the first reflecting surface 211.
[0075] In this way, it can be ensured that the light reflected by the second reflecting surface 212 to the third reflecting surface 22 has a light range greater than the light range of the light reflected by the first reflecting surface 211, so that the vehicle lamp assembly can achieve a large light range. At the same time, since the light range of the light reflected by the first reflecting surface 211 is small, the light intensity of the light reflected by the first reflecting surface 211 is high, thereby making the vehicle lamp assembly have high brightness and a large light range.
[0076] In some examples, the diffusion angle of the second reflecting surface 212 is greater than the diffusion angle of the first reflecting surface 211. The small diffusion angle of the first reflecting surface 211 can make the reflected light more concentrated, thereby enhancing the light intensity of the light, so that the vehicle lamp assembly has high brightness. The diffusion angle of the second reflecting surface 212 is large, so the light range of the light reflected by the second reflecting surface 212 is large, thereby making the light emitted by the vehicle lamp assembly more uniform. By setting the diffusion angles of the first reflecting surface 211 and the second reflecting surface 212, the light of the vehicle lamp assembly can have high brightness and a large light range, thereby better providing the vehicle driving information to other traffic participants.
[0077] In some examples, the diffusion angle of the first reflective surface 211 is 5°-10°. The smaller diffusion angle of the first reflective surface 211 allows the reflected light to be more concentrated, thereby enhancing the light intensity and giving the headlight assembly higher brightness.
[0078] For example, the diffusion angle of the first reflecting surface 211 is 8°.
[0079] In some examples, the diffusion angle of the second reflective surface 212 is 20°-30°. The diffusion angle of the second reflective surface 212 is greater than that of the first reflective surface 211. Because the diffusion angle of the second reflective surface 212 is larger, the illumination range of the light reflected by the second reflective surface 212 is larger, thereby making the light emitted by the headlight assembly more uniform.
[0080] For example, the diffusion angle of the second reflective surface 212 is 25°.
[0081] In some examples, such as Figures 4-6 As shown, the third reflecting surface 22 has a sawtooth structure 221, the width X1 of which is smaller than the width X2 of the light-emitting surface 23. This ensures that the light reflected by the sawtooth structure 221 is within the coverage area of the light-emitting surface 23 as much as possible, avoiding light loss due to excessive light reflection to the sidewalls of the light guide 2, thereby increasing the illumination intensity of the light-emitting surface 23 and better providing vehicle driving information to other road users.
[0082] The sawtooth structure 221 has two reflective surfaces that can reflect light from different angles, making the reflected light more uniform. This, in turn, makes the light emitted from the light-emitting surface 23 more uniform, thus providing better vehicle driving information to other road users.
[0083] Of course, in other examples, the sawtooth structure 221 may also have three reflective surfaces, and this disclosure does not specifically limit this.
[0084] In other examples, the third reflecting surface 22 may also have other reflecting structures, such as a wavy reflecting structure.
[0085] In some examples, such as Figure 6 As shown, the sawtooth structure 221 includes a first sawtooth portion 2211 and a second sawtooth portion 2212. The first sawtooth portion 2211 and the second sawtooth portion 2212 are arranged alternately, with the first sawtooth portion 2211 facing the light source 1. The second sawtooth portion 2212 faces the gap 10 between the two light sources 1. The length L1 of the first sawtooth portion 2211 is less than the length L2 of the second sawtooth portion 2212.
[0086] In this way, the distance between the first and second sawtooth portions 2211, 2212 and the light source 1 can be close, so that the light reflected by the first and second sawtooth portions 2211, 2212 is more uniform, and the light emitted from the light emitting surface 23 is more uniform.
[0087] Of course, in other examples, the length L1 of the first sawtooth portion 2211 can also be equal to the length L2 of the second sawtooth portion 2212, and the present disclosure does not make specific limitations on this.
[0088] In some examples, as shown in Figure 3 The second side of the light guide 2 also has a light collecting surface 24. The light collecting surface 24 is located in the light path between the light source 1 and the first reflecting surface 211, and is located in the light path between the light source 1 and the second reflecting surface 212.
[0089] The light collecting surface 24 can be regarded as the entrance surface of a convex lens. The light collecting surface 24 is convex towards the light source 1, and the light collecting surface 24 can converge the light emitted by the light source 1. This avoids the light emitted by the light source 1 being scattered in other directions and wasted, so that more light is emitted towards the first and second reflecting surfaces 211, 212, and thus more light is emitted from the light emitting surface 23, so that the vehicle lamp assembly has a higher light intensity, and thus can better provide vehicle driving information to other road users.
[0090] In some examples, as shown in Figure 1 The light emitting surface 23 has a diffusion pattern structure 231 for expanding the coverage of the light.
[0091] The diffusion pattern structure 231 can make the light more uniform, so as to present a better visual effect, and thus better provide vehicle driving information to other road users.
[0092] The present disclosure also provides a vehicle, which includes the vehicle lamp assembly described above.
[0093] The vehicle lamp assembly is used to provide vehicle driving information to other road users, and can be a brake light, a turn signal light, a reverse light, etc.
[0094] The technical scheme provided by the embodiments of the present disclosure increases the propagation path of the light in the light guide body 2 by arranging the second reflecting surface 212 and the third reflecting surface 22 in the vehicle lamp assembly. After the light source 1 emits light, part of the light is emitted to the first reflecting surface 211, and the first reflecting surface 211 reflects the light to the light emitting surface 23, thereby completing the first propagation path of the light. Another part of the light emitted by the light source 1 is emitted to the second reflecting surface 212, and the second reflecting surface 212 reflects the light to the third reflecting surface 22. The third reflecting surface 22 reflects the light to the light emitting surface 23, thereby completing the second propagation path of the light. In this way, the light guide body 2 can guide two paths of light, thereby expanding the light path illumination range. Therefore, even if the volume of the vehicle lamp assembly is small, a larger illumination range can be achieved.
[0095] In addition, the light emitted by each light source 1 can be effectively diffused, so the distance between the plurality of light sources 1 can be increased, thereby reducing the number of light sources 1, thereby reducing the installation structure inside the vehicle lamp assembly. Reducing the number of parts and reducing the weight of the vehicle lamp assembly is conducive to the lightweight design of the vehicle. It can also reduce the cost of the vehicle lamp assembly, thereby reducing the manufacturing cost of the vehicle.
[0096] The above only describes optional embodiments of the present disclosure, and is not intended to limit the present disclosure. Any modification, equivalent replacement, improvement, etc. within the principles of the present disclosure shall be included in the protection scope of the present disclosure.
Claims
1. A vehicle lamp assembly, characterized by, The vehicle lamp assembly comprises a light source (1) and a light guide (2); The light guide (2) has a groove structure (21), a third reflection surface (22) and a light exit surface (23), the groove structure (21) has a first reflection surface (211) and a second reflection surface (212), the groove structure (21) has an opening on a first side of the light guide (2); The light source (1) is opposite to the groove structure (21) and is located on a second side of the light guide (2), the first side and the second side are opposite, the first reflection surface (211) and the second reflection surface (212) are both located on an exit light path of the light source (1); The height of the first reflection surface (211) gradually increases along a direction close to the light exit surface (23), the height of the second reflection surface (212) gradually increases along a direction close to the third reflection surface (22), the diffusion angle of the second reflection surface (212) is greater than the diffusion angle of the first reflection surface (211); The third reflection surface (22) has a sawtooth structure (221), the width of the sawtooth structure (221) is less than the width of the light exit surface (23), the sawtooth structure (221) comprises a first sawtooth part (2211) and a second sawtooth part (2212), the first sawtooth part (2211) and the second sawtooth part (2212) are alternately arranged, the first sawtooth part (2211) is opposite to the light source (1), the second sawtooth part (2212) is opposite to a gap (10) between two light sources (1), wherein the depth of the first sawtooth part (2211) is less than the depth of the second sawtooth part (2212); The first reflection surface (211) is used for reflecting a part of light emitted by the light source (1) to the light exit surface (23), the second reflection surface (212) is used for reflecting another part of light emitted by the light source (1) to the third reflection surface (22), and the third reflection surface (22) is used for reflecting the received light to the light exit surface (23).
2. The vehicle lamp assembly of claim 1, wherein, The diffusion angle of the first reflection surface (211) is 5°-10°.
3. The vehicle lamp assembly of claim 1, wherein, The diffusion angle of the second reflection surface (212) is 20°-30°.
4. The vehicle lamp assembly of any of claims 1-3, wherein, The second side of the light guide (2) further has a light collecting surface (24); The light collecting surface (24) is located in a light path between the light source (1) and the first reflection surface (211) and is located in a light path between the light source (1) and the second reflection surface (212).
5. The vehicle lamp assembly of any of claims 1-3, wherein, The light exit surface (23) has a diffusion pattern structure (231) for expanding the coverage of light.
6. A vehicle characterized by comprising: The vehicle comprises the vehicle lamp assembly according to any one of claims 1-5.
Citation Information
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Light guiding structure of lamp, driving lamp and vehicle
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