Three-dimensional luminous light guide structure

Abstract

The utility model discloses a three-dimensional luminous light guide structure, which relates to the technical field of automobile lamps and comprises a light source component, an inner lens, a support and a light guide rod, and the light source component is used for emitting light; a first light-transmitting area and a second light-transmitting area are arranged on the inner lens; a containing cavity is defined by the support and the inner lens, and the light guide rod comprises a receiving part and a guide part. According to the technical scheme, through the design of the receiving part, the guiding part and the support, the first reflecting surface, the second reflecting surface and the reflecting part are used for efficiently distributing light rays to different light-transmitting areas, the three-dimensional light-emitting effect is enhanced, better visual experience is provided, the number of needed light sources is reduced, and the light-emitting effect is improved. The uniform three-dimensional light emitting effect can be achieved through a single light source assembly or a small number of light source assemblies, the production cost is greatly reduced, the dependence on high-precision assembly in a traditional structure is reduced, the assembly efficiency is improved, and the product quality problem caused by assembly errors is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile lamps, in particular to a light guide structure of stereoscopic light emission. BACKGROUND

[0002] With the progress of the automobile industry and the continuous improvement of the design requirements of consumers on the appearance of vehicles, the car lamp has gradually evolved from the early simple functional parts into an important component with aesthetic value and technical content. The early car lamp design is mainly functional, usually adopting the form of round blunt and point light emission, simple modeling, lack of modern sense. However, as consumers' requirements for the appearance modeling of car lamps are getting higher and higher, the design of car lamps gradually develops in the direction of stronger line feeling, uniform light emission and strong stereoscopic feeling. This trend promotes the wide application of multi-LED light source stereoscopic light emission car lamp structure. However, the existing stereoscopic light emission car lamp structure can realize good optical effect, but is limited by the problems of large number of light sources and high assembly precision requirements, and it is difficult to meet market demand. SUMMARY

[0003] The main purpose of the utility model is to provide a light guide structure of stereoscopic light emission, which aims to solve the problem of how to reduce the number of light sources and reduce the assembly precision.

[0004] To achieve the above purpose, the utility model provides a light guide structure of stereoscopic light emission, which comprises:

[0005] A light source assembly for emitting light;

[0006] An inner lens provided with a first light transmission area and a second light transmission area;

[0007] A bracket enclosing the inner lens to form a containing cavity, and the bracket is provided with a reflecting part on the side facing the second light transmission area;

[0008] A light guide rod comprising a receiving part and a guiding part, the receiving part is connected with the bracket, one end of the receiving part is a light entrance surface, the other end of the receiving part extends into the containing cavity and is connected with the guiding part, the guiding part is provided with a first reflecting surface and a second reflecting surface, the light source assembly is arranged towards the light entrance surface, so that part of the light emitted by the light source assembly can be reflected to the first light transmission area through the first reflecting surface, and the rest of the light can be reflected to the second light transmission area through the second reflecting surface and the reflecting part in turn.

[0009] In an embodiment, the first reflecting surface is provided with a first light guide reflecting tooth.

[0010] In an embodiment, the second reflecting surface is provided with second light guiding reflection teeth.

[0011] In an embodiment, the reflecting part is provided with first lines.

[0012] In an embodiment, the second light transmitting area is provided with second lines on one side of the support.

[0013] In an embodiment, the light source assembly comprises a circuit board and a light emitting piece connected with each other, the circuit board is connected with the support, and the light emitting piece is arranged towards the light inlet surface and used for emitting light.

[0014] In an embodiment, the circuit board is detachably connected with the support.

[0015] In an embodiment, the circuit board is detachably connected with the light emitting piece.

[0016] In an embodiment, the inner lens is detachably connected with the support.

[0017] In an embodiment, the receiving part is detachably connected with the support.

[0018] In the embodiment of the utility model, light source assembly is used for emitting light, and is the light source of the whole three-dimensional light emitting light guide structure, the inner lens is usually made of transparent material and has good optical performance, the inner lens is provided with first light transmission area and second light transmission area, is used for uniformly diffusing and transmitting light to external environment, first light transmission area is used for realizing front light emission, second light transmission area is used for realizing side light emission, the support and the inner lens enclose and form the accommodating cavity, are used for fixing and supporting the whole three-dimensional light emitting light guide structure, the light guide rod includes receiving part and guide part, is mainly responsible for guiding and distributing light, so that it can be evenly distributed to first light transmission area and second light transmission area, receiving part is connected with the support, one end is light inlet surface, the other end extends into the accommodating cavity and is connected with guide part, the main function of receiving part is receiving light from light source assembly from light inlet surface, and the light is reflected in the receiving part by multiple total internal reflections, so that the light advances along the length direction of receiving part, until entering guide part, and is reflected by the first reflecting surface and the second reflecting surface of guide part, so that the light is distributed to different directions, specifically, the light entering guide part, wherein a part of the light can be reflected to first light transmission area by the first reflecting surface, so as to realize front light emission of the light, another part of the light is first reflected to the reflecting part by the second reflecting surface, and then is reflected to the second light transmission area by the second reflecting of the reflecting part, so as to realize side light emission of the light, so as to realize the three-dimensional light emitting effect of the vehicle lamp. The embodiment of the utility model adopts the design of receiving part, guide part and support, and efficiently distributes the light to different light transmission areas by the first reflecting surface, the second reflecting surface and the reflecting part, enhances the three-dimensional light emitting effect, provides better visual experience, reduces the number of required light sources, and a single or small number of light source assemblies can realize uniform three-dimensional light emitting effect, which greatly reduces the production cost; The utility model adopts modular design, and integrates the receiving part, the guide part, the first reflecting surface and the second reflecting surface in one assembly in advance, and then combines with the support and the inner lens, which greatly simplifies the assembly process, reduces the dependence on high-precision assembly in the traditional structure, improves the assembly efficiency, and reduces the product quality problems caused by assembly errors; And the three-dimensional light emitting light guide structure of the utility model can be adjusted according to different vehicle models and design requirements, and is flexible and adaptable to various appearances, and can be used in various vehicle lamp lighting systems such as daytime running lamp, front position lamp, front turning lamp, rear position lamp, brake lamp and rear turning lamp of vehicle, and can also change the design of the first reflecting surface and the second reflecting surface or adjust the position of the first light transmission area and the second light transmission area, so as to realize a plurality of different light emitting effects and meet diversified design requirements. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in the drawings without creative labor.

[0020] Figure 1 It is a structural schematic view of an embodiment of the three-dimensional light emitting light guide structure of the present application.

[0021] Figure 2 It is an exploded schematic view of an embodiment of the three-dimensional light emitting light guide structure of the present application.

[0022] Figure 3 It is an A-A sectional view in Figure 1

[0023] Figure 4 It is a structural schematic view of an embodiment of the local structure of the three-dimensional light emitting light guide structure of the present application.

[0024] Figure 5 It is a local sectional view at B in Figure 4

[0025] Figure 6 It is another view structural schematic view of an embodiment of the local structure of the three-dimensional light emitting light guide structure of the present application.

[0026] Figure 7 It is a local enlarged view at C in Figure 6

[0027] Explanation of the drawings:

[0028] 100, three-dimensional light emitting light guide structure; 1, light source assembly; 11, circuit board; 12, light emitting piece; 13, first threaded hole; 2, inner lens; 21, first light transmission area; 22, second light transmission area; 221, second thread; 3, support; 31, reflection part; 311, first thread; 32, second threaded hole; 4, accommodating cavity; 5, light guide rod; 51, receiving part; 511, light receiving surface; 52, guide part; 521, first reflection surface; 5211, first light guide reflection tooth; 522, second reflection surface; 5221, second light guide reflection tooth; 53, third threaded hole.

[0029] The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments and the drawings. DETAILED DESCRIPTION

[0030] ​​​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0031] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0032] In addition, if the embodiments of the present application involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel solutions are included, for example, "A and / or B" includes A solution, or B solution, or A and B solutions. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0033] With the progress of the automotive industry and the increasing demand of consumers for vehicle appearance design, the car lamp has gradually evolved from the early purely functional parts to an important component with aesthetic value and technical content. The early car lamp design is mainly functional, usually adopting a round blunt, point-like light-emitting form, simple in shape, and lacks modernity. However, as consumers' requirements for the appearance of the car lamp are getting higher and higher, the car lamp design gradually develops in the direction of stronger line feeling, uniform light emission, and strong three-dimensional feeling. This trend has promoted the widespread application of multi-LED light source three-dimensional light-emitting car lamp structure. However, the existing three-dimensional light-emitting car lamp structure can achieve good optical effect, but is limited by the problems of large number of light sources and high assembly precision requirements, and is difficult to meet market demand.

[0034] Through careful research of the applicant, it is found that the conventional three-dimensional uniform light-emitting car lamp structure mainly comprises four parts of a circuit board, an LED light source, an inner transparent cover and a support. This kind of structure uniformly arranges the LED light source on the side surface and the front surface of the circuit board, so that the inner transparent lamp cover can be uniformly lighted on the side surface and the front surface, thereby realizing the three-dimensional effect of simultaneous light-emission on the side surface and the front surface. Although this structure can realize good optical effect, it has significant limitations. On the one hand, a large number of LED light sources are needed to realize uniform light-emission, resulting in the increase of the overall cost, and on the other hand, in order to ensure the uniform distribution of light, the position of each LED light source must be very accurate, which puts high requirements on the manufacturing and assembly process, increases the production difficulty and cost.

[0035] The main purpose of the utility model is to provide a light guide structure for solving the problem of how to reduce the number of light sources and reduce the assembly precision.

[0036] Please refer to Figures 1 to 3 In an embodiment of the utility model, the light guide structure 100 for three-dimensional light-emission comprises a light source assembly 1, an inner lens 2, a support 3 and a light guide rod 5, the light source assembly 1 is used for emitting light; the inner lens 2 is provided with a first light transmission area 21 and a second light transmission area 22; the support 3 and the inner lens 2 enclose a containing cavity 4, and the support 3 is provided with a reflecting part 31 on the side facing the second light transmission area 22; the light guide rod 5 comprises a receiving part 51 and a guide part 52, the receiving part 51 is connected with the support 3, one end of the receiving part 51 is an incident surface 511, the other end of the receiving part 51 extends into the containing cavity 4 and is connected with the guide part 52, the guide part 52 is provided with a first reflecting surface 521 and a second reflecting surface 522, the light source assembly 1 is arranged towards the incident surface 511, so that the light emitted by the light source assembly 1 enters the receiving part 51 through the incident surface 511 and is transmitted to the guide part 52, part of the light can be reflected to the first light transmission area 21 through the first reflecting surface 521, and the rest of the light can be reflected to the second light transmission area 22 through the second reflecting surface 522 and the reflecting part 31 in turn.

[0037] In the embodiment of the utility model, light source assembly 1 is used for emitting light, and is the light source of the whole three-dimensional light emitting light guide structure 100, the inner lens 2 usually adopts transparent material to make, has good optical performance, the inner lens 2 is provided with first light transmission area 21 and second light transmission area 22, for evenly diffusing and transmitting light to external environment, first light transmission area 21 is used to realize front light emitting, second light transmission area 22 is used to realize side light emitting, the support 3 and the inner lens 2 enclose and form accommodating cavity 4, for fixing and supporting the whole three-dimensional light emitting light guide structure 100, light guide stick 5 includes receiving part 51 and guide part 52, is mainly responsible for guiding and distributing light, so that it can evenly distribute to first light transmission area 21 and second light transmission area 22, receiving part 51 is connected with the support 3, one end is light receiving surface 511, the other end extends into accommodating cavity 4 and is connected with guide part 52, the main function of receiving part 51 is to receive light from light source assembly 1 from light receiving surface 511, and the light is reflected multiple times inside receiving part 51, so that the light advances along the length direction of receiving part 51, until entering guide part 52, and is reflected by first reflecting surface 521 and second reflecting surface 522 of guide part 52, so as to distribute light to different directions, specifically, the light entering guide part 52, part of which can be reflected to first light transmission area 21 through first reflecting surface 521, so as to realize front light emitting of the light, the rest of the light is first reflected to reflecting part 31 through second reflecting surface 522, and then is reflected to second light transmission area 22 through second reflection of reflecting part 31, so as to realize side light emitting of the light, so as to realize the three-dimensional light emitting effect of the car light.

[0038] The technical scheme of the utility model discloses a receiving part 51, a guide part 52 and the design of support 3, utilize first reflecting surface 521, second reflecting surface 522 and the reflection part 31 with light high -efficient distribution to different light -transmitting area, enhanced the effect of stereoscopic light emitting, provided better visual experience, reduced the number of required light source, single or small amount of light source assembly 1 can realize even stereoscopic light emitting effect, greatly reduced production cost, the utility model discloses the modular design, the receiving part 51, guide part 52, first reflecting surface 521 and second reflecting surface 522 are integrated in a component in advance, then with support 3 and inner lens 2 combination, this design greatly simplifies the assembly process, reduces the dependence on high-precision assembly in traditional structure, improves the assembly efficiency, reduces the product quality problem caused by assembly error, and the light guide structure 100 of the utility model discloses stereoscopic light emitting can be adjusted according to different vehicle models and design requirements, flexible adaptation to various appearance styles, in practical application, can be used in various vehicle light illumination systems such as daytime running light, front position light, front turn signal, rear position light, brake light and rear turn signal, and a variety of different light emitting effects can be realized by changing the design of the first reflecting surface 521 and the second reflecting surface 522 or adjusting the positions of the first light-transmitting area 21 and the second light-transmitting area 22, so that the diversified design requirements are met.

[0039] Please refer to Figures 3 to 5 In an embodiment, the first reflecting surface 521 is provided with first light guide reflection teeth 5211. Specifically, by providing the first light guide reflection teeth 5211 on the first reflecting surface 521, the propagation path and distribution effect of the light can be further optimized. The first light guide reflection teeth 5211 are a microstructure design, usually in the form of a series of regularly arranged tooth-like textures or concave-convex structures. When the light reaches the first reflecting surface 521, the first light guide reflection teeth 5211 will reflect the light to the first light-transmitting area 21 at a specific angle according to their geometric shape and arrangement, thereby realizing front light emission. This not only improves the uniformity of light distribution and optical efficiency, but also reduces the dependence on the number of light sources and enhances the flexibility and stability of the stereoscopic light emitting light guide structure 100. By adjusting the shape, depth and arrangement of the first light guide reflection teeth 5211, the propagation direction and distribution range of the light can be flexibly controlled. This flexibility enables the stereoscopic light emitting light guide structure 100 to adapt to different design requirements, such as adjusting the brightness or coverage of the first light-transmitting area 21.

[0040] Please refer to Figure 3 , Figure 6 and Figure 7In an embodiment, the second reflective surface 522 is provided with second light guide reflection teeth 5221; specifically, by providing the second light guide reflection teeth 5221 on the second reflective surface 522, the propagation path and distribution effect of the light can be further optimized, the second light guide reflection teeth 5221 are a kind of microstructure design, usually in the form of a series of regularly arranged tooth-like textures or concave-convex structures, when light reaches the second reflective surface 522, the second light guide reflection teeth 5221 will reflect the light to the reflection part 31 of the support 3 according to its geometric shape and arrangement, and then the light is reflected to the second light transmission area 22 by the reflection part 31, thereby realizing the side light emission of the lamp light, which not only improves the uniformity of light distribution and optical efficiency, but also reduces the dependence on the number of light sources, enhances the flexibility and stability of the three-dimensional light-emitting light guide structure 100, and flexibly controls the propagation direction and distribution range of the light by adjusting the shape, depth and arrangement of the second light guide reflection teeth 5221. The flexibility makes the three-dimensional light-emitting light guide structure 100 adapt to different design requirements, such as adjusting the brightness or coverage range of the first light transmission area 21.

[0041] According to an embodiment of the present application, the first reflective surface 521 and the second reflective surface 522 can also be provided with reflective coating, diffusion material or microlens array, thereby realizing the three-dimensional light-emitting effect.

[0042] Please refer to Figure 3 In an embodiment, the reflection part 31 is provided with first texture 311; specifically, the main function of the reflection part 31 is to reflect the light transmitted from the second reflective surface 522 again, so that it is uniformly distributed to the second light transmission area 22, by providing the first texture 311 on the reflection part 31, the propagation path and distribution effect of the light can be further optimized, when the light reaches the reflection part 31, the first texture 311 will uniformly diffuse the light, so that the light is distributed to the second light transmission area 22 at a wider angle, this design can effectively avoid the problem of local over-brightness or dark area caused by light concentration, thereby improving the uniformity of light distribution, which can still realize the ideal light-emitting effect under the condition of reducing the number of light sources, can more efficiently utilize the incident light, reduce the loss of light, improve the utilization rate of light energy by scattering and redistributing the light, thereby enhancing the overall optical efficiency. Wherein, the first texture 311 is a process of texturing the surface of the reflection part 31, by means of engraving, grinding, polishing and the like, a surface effect with a specific pattern or texture is created.

[0043] According to an embodiment of the present application, the reflection part 31 can also be provided with reflective coating, diffusion material or microlens array, thereby realizing the reflection of light.

[0044] Please refer to Figure 3In an embodiment, the second light-transmitting area 22 is provided with a second texture 221 on the side facing the support 3; specifically, the main function of the second light-transmitting area 22 is to uniformly transmit the light reflected from the reflecting part 31 to the external environment, thereby forming a side light-emitting effect of the vehicle lamp, and by providing the second texture 221 on the side of the second light-transmitting area 22 facing the support 3, the propagation path and distribution effect of the light can be further optimized, the second texture 221 can further disperse the incident light, so that the light can be distributed to the external environment in a more uniform manner, thereby further improving the uniformity of light distribution. The second texture 221 is a process of texturing the surface of the second light-transmitting area 22 on the side facing the support 3, which creates a surface effect with a specific pattern or texture through engraving, grinding, polishing and other means.

[0045] For reference Figure 2 In an embodiment, the light source assembly 1 comprises a circuit board 11 and a light-emitting piece 12 connected to each other, the circuit board 11 is connected to the support 3, and the light-emitting piece 12 is arranged towards the light-incident surface 511 and is used for emitting light; specifically, the light-emitting piece 12 is the core component of the light source assembly 1 and is responsible for emitting light, the circuit board 11 is used for carrying and electrically connecting the light-emitting piece 12, providing power supply and control signals, the light-emitting piece 12 is arranged towards the light-incident surface 511, ensuring that the light emitted by the light-emitting piece 12 can accurately pass through the light-incident surface 511, reducing light energy loss and improving light efficiency utilization, and the stable connection of the circuit board 11 and the support 3 ensures the accuracy and stability of the position of the light-emitting piece 12, reduces displacement or loosening caused by vibration or external impact, and improves the reliability of the product. In this embodiment, the light-emitting piece 12 can adopt an LED light source.

[0046] For reference Figure 2 and Figure 3In an embodiment, the circuit board 11 is detachably connected with the bracket 3; specifically, the detachable design allows the relative position of the circuit board 11 and the bracket 3 to be checked and adjusted at any time during production and use, ensuring that the light path between the light emitting member 12 and the light entrance surface 511 always remains in the best state, thereby improving the reliability and service life of the product, and the detachable connection allows the circuit board 11 to be quickly installed or detached, so that when the light emitting member 12 needs to be replaced or the circuit board 11 needs to be repaired, the entire three-dimensional light emitting light guide structure 100 does not need to be destroyed, greatly improving the convenience of use, in addition, the detachable connection is usually combined with positioning devices such as positioning holes, marker points, etc., simplifying the assembly steps during production, reducing the need for high-precision assembly equipment, ensuring that the circuit board 11 can be accurately aligned with the bracket 3 each time it is installed, reducing errors caused by manual operation, and thereby improving the performance stability of the optical system; in this embodiment, the circuit board 11 and the bracket 3 can be detachably connected through the first threaded hole 13, a buckle, a slot or other mechanical fixing methods, which are not limited in this embodiment.

[0047] Referring to Figure 2 and Figure 3 In an embodiment, the circuit board 11 is detachably connected with the light emitting member 12; specifically, the detachable connection design of the circuit board 11 and the light emitting member 12 allows the light emitting member 12 to be quickly installed or detached, greatly facilitating production and later maintenance, reducing assembly time and repair difficulty, reducing maintenance costs, improving the service life of the product, and through detachable connection, the light emitting member 12 can be modularly replaced according to actual needs, while also reducing the risk of the entire lamp being scrapped due to damage to a single component. In this embodiment, the circuit board 11 and the bracket 3 can be detachably connected through buckle connection, threaded connection or magnetic attraction connection, etc., which are not limited in this embodiment.

[0048] Referring to Figure 2 and Figure 3 In an embodiment, the inner lens 2 is detachably connected with the bracket 3; specifically, the detachable connection design of the inner lens 2 and the bracket 3 allows the inner lens 2 to be quickly installed or detached, greatly facilitating production and later maintenance, reducing assembly time and repair difficulty, reducing maintenance costs, improving the service life of the product, and also reducing the risk of the entire lamp being scrapped due to damage to a single component, and through detachable connection, the inner lens 2 can be modularly replaced according to actual needs, such as replacing inner lenses 2 with different optical properties, this flexibility allows the vehicle lamp to adapt to different vehicle models or functional requirements, enhancing the versatility and adaptability of the product. In this embodiment, the inner lens 2 and the bracket 3 can be detachably connected through buckle connection, second threaded hole 32 connection or magnetic attraction connection, etc., which are not limited in this embodiment.

[0049] Referring toFigure 1 and Figure 2 In an embodiment, the receiving portion 51 is detachably connected with the bracket 3; specifically, the detachable connection between the receiving portion 51 and the bracket 3 is designed to allow the light guide rod 5 to be quickly installed or detached, greatly facilitating production and later maintenance. This design reduces assembly time and maintenance difficulty, reduces maintenance costs, improves product service life, and through detachable connection, the light guide rod 5 can be modularly replaced according to actual needs, such as replacing light guide rods 5 of different shapes, sizes or materials (such as different refractive indexes, geometric shapes or materials). This flexibility allows the vehicle lamp to adapt to different vehicle models or functional requirements, enhancing the versatility and adaptability of the product. The detachable design also simplifies the production process, avoiding complex permanent fixation methods, while also reducing the risk of the entire lamp being scrapped due to damage to a single component. In this embodiment, the receiving portion 51 and the bracket 3 can be detachably connected through snap-on connection, third threaded hole 53 connection or magnetic attraction connection, etc. This embodiment is not limited thereto.

[0050] The above description is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation or direct / indirect application in other related technical fields within the technical concept of the present application, as described in the present application and the accompanying drawings, is included within the patent protection scope of the present application.

Claims

1. A three-dimensional light-emitting light guide structure, characterized in that, The three-dimensional light-emitting light guide structure includes: A light source assembly for emitting light; An inner lens, wherein a first light-transmitting area and a second light-transmitting area are provided on the inner lens; A bracket, which, together with the inner lens, forms a receiving cavity, and a reflective portion is provided on the side of the bracket facing the second light-transmitting area; A light guide rod includes a receiving part and a guiding part. The receiving part is connected to a bracket. One end of the receiving part is a light-incident surface, and the other end of the receiving part extends into the receiving cavity and is connected to the guiding part. The guiding part is provided with a first reflective surface and a second reflective surface. The light source assembly is arranged facing the light-incident surface so that the light emitted by the light source assembly enters the receiving part through the light-incident surface and is transmitted to the guiding part. Some of the light can be reflected by the first reflective surface to the first light-transmitting area, and the remaining light can be reflected sequentially by the second reflective surface and the reflective part to the second light-transmitting area.

2. The three-dimensional light-emitting light guide structure as described in claim 1, characterized in that, The first reflective surface is provided with a first light guide reflective tooth.

3. The three-dimensional light-emitting light guide structure as described in claim 1, characterized in that, The second reflective surface is provided with a second light guide reflective tooth.

4. The three-dimensional light-emitting light guide structure as described in claim 1, characterized in that, The reflective part is provided with a first texture.

5. The three-dimensional light-emitting light guide structure as described in claim 4, characterized in that, The second light-transmitting area has a second texture on the side facing the bracket.

6. The three-dimensional light-emitting light guide structure as described in any one of claims 1 to 5, characterized in that, The light source assembly includes a circuit board and a light-emitting element that are interconnected. The circuit board is connected to the bracket, and the light-emitting element is positioned facing the light-incident surface and is used to emit light.

7. The three-dimensional light-emitting light guide structure as described in claim 6, characterized in that, The circuit board is detachably connected to the bracket.

8. The three-dimensional light-emitting light guide structure as described in claim 6, characterized in that, The circuit board is detachably connected to the light-emitting element.

9. The three-dimensional light-emitting light guide structure according to any one of claims 1 to 5, characterized in that, The inner lens is detachably connected to the bracket.

10. The three-dimensional light-emitting light guide structure according to any one of claims 1 to 5, characterized in that, The receiving part is detachably connected to the bracket.

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