Thick-wall light guide element, optical system and vehicle lamp

Abstract

The utility model provides a thick-wall light guide element, an optical system and a vehicle lamp, and relates to the technical field of vehicle assemblies. According to the technical scheme provided by the utility model, the light diffusion pattern structure is prepared on the light guide emergent surface, and the light diffusion pattern structure can diffuse the emergent light of the thick-wall light guide element, so that the illumination efficiency of the thick-wall light guide element is improved, and a detection area can be better illuminated. The light diffusion pattern structure of the light-guide light-emitting surface is optimized and improved, so that each polygonal pattern unit comprises a polygonal bottom surface and a plurality of side surfaces protruding out of the outer side of the thick-wall light-guide element, the stereoscopic impression of the polygonal pattern units is improved, the light-emitting effect of the thick-wall light-guide element is ensured to be high, and the light-emitting effect of the thick-wall light-guide element is improved. The aesthetic property and the visual effect of the thick-wall light guide element are improved, and particularly, the aesthetic property of the thick-wall light guide element is visually presented in the state that a vehicle lamp is not turned on. The thick-wall light guide element is suitable for various types of vehicle lamps, and has high applicability and popularization value.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle assembly technical field more specifically, relate to a kind of thick-wall light guide element, optical system and car lamp. BACKGROUND

[0002] With the development of modern industry, the automobile technology realizes leapfrog rapid development, with the development of economy, the demand of modern life for car is more and more big, the performance and humanization design of car are more and more widely concerned. The lighting lamps and lanterns on the car include various signal functions, and the lighting modes of each function are different, among which the light source side of the optical thick-wall piece is one of them, that is, the light beam emitted by the light source is processed by various different forms of optical patterns on the thick-wall piece, and the light beam is projected out of the thick-wall piece to achieve the purpose of illumination. The optical pattern design is of great significance to the improvement of the optical performance of the optical thick-wall piece, the enhancement of visual effect and the improvement of product added value, so the optical pattern design of the optical thick-wall piece has become one of the main research and development projects of researchers today. SUMMARY

[0003] Therefore, the utility model provides a kind of thick-wall light guide element, optical system and car lamp, effectively solve the technical problems existing in prior art, not only can guarantee the light effect of thick-wall light guide element is high, still can improve the aesthetic and visual effect of thick-wall light guide element, and thick-wall light guide element is applicable to various different types of car lamp, with strong applicability and popularization value.

[0004] To achieve the above object, the technical scheme provided by the utility model is as follows:

[0005] A kind of thick-wall light guide element, the thick-wall light guide element includes:

[0006] Light guide light exit surface, the light guide light exit surface includes light diffusion pattern structure,

[0007] Wherein, the light diffusion pattern structure includes a plurality of multi-edge pattern units, the multi-edge pattern unit includes polygonal bottom surface and a plurality of side surfaces protruding from the outer side of the thick-wall light guide element, one side surface is connected with the edge of the polygonal bottom surface.

[0008] Optionally, the multi-edge pattern unit includes the vertex protruding from the outer side of the thick-wall light guide element;

[0009] The side line of the side surface is triangular line, and the triangular line is connected to the vertex away from the angle of the polygonal bottom surface.

[0010] Optionally, adjacent two triangular lines are connected and share an edge.

[0011] Optionally, at least one side surface is a plane.

[0012] And / or, at least one of the side faces is convex;

[0013] And / or, at least one of the side faces is concave.

[0014] Optionally, the polygonal bottom face is a hexagonal bottom face.

[0015] Optionally, the thick-walled light guide element comprises:

[0016] a first thick-walled portion and a second thick-walled portion arranged in sequence along the light exit path, and the light exit face of the second thick-walled portion is the light guide light exit face;

[0017] Wherein, the light beam emitted by the light source enters the first thick-walled portion via the light entrance face of the first thick-walled portion, and then exits to the light entrance face of the second thick-walled portion via the light exit face of the first thick-walled portion, and then enters the second thick-walled portion via the light entrance face of the second thick-walled portion, and then exits via the light guide light exit face.

[0018] Optionally, at least one of the light entrance face of the first thick-walled portion, the light exit face of the first thick-walled portion, and the light entrance face of the second thick-walled portion comprises an optical pattern.

[0019] Based on the same inventive concept, the utility model also provides an optical system, the optical system comprises:

[0020] The thick-walled light guide element described above;

[0021] A light source, which is arranged on the light entrance face side of the thick-walled light guide element.

[0022] Optionally, the optical system further comprises:

[0023] A collimator arranged between the light source and the light entrance face of the thick-walled light guide element.

[0024] Based on the same inventive concept, the utility model also provides a vehicle lamp, which comprises the optical system described above.

[0025] Compared with the prior art, the technical scheme provided by the utility model has at least the following advantages:

[0026] The utility model provides a thick-walled light guide element, optical system and vehicle lamp, the thick-walled light guide element comprises: light guide light exit face, the light guide light exit face includes light diffusion pattern structure, wherein, the light diffusion pattern structure includes a plurality of multilateral pattern unit, the multilateral pattern unit includes polygonal bottom face and the plurality of side faces that protrude to the outside of the thick-walled light guide element, one side face is connected with a side of the polygonal bottom face.

[0027] From the above, the technical scheme provided by the utility model discloses a light diffusion pattern structure is prepared in the light guide light exit surface, and the light diffusion pattern structure can disperse the light of the thick-wall light guide element and export light, improves the lighting efficiency of the thick-wall light guide element, thereby better illuminating the detection area, and the driving safety is enhanced.

[0028] And, the technical scheme provided by the utility model optimizes and improves the light diffusion pattern structure of the light guide light exit surface, so that each multi-edge pattern unit comprises a polygonal bottom surface and a plurality of side surfaces protruding outside the thick-wall light guide element, the stereoscopic sense of the multi-edge pattern unit is improved, the thick-wall light guide element is improved in appearance and visual effect while ensuring high light emission effect, and especially intuitively presents the appearance of the thick-wall light guide element in the state that the vehicle lamp is not lighted.

[0029] In addition, the thick-wall light guide element provided by the utility model is suitable for various types of vehicle lamps and has strong applicability and popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only the embodiments of the utility model, and those skilled in the art can obtain other drawings according to the provided drawings without creating labor.

[0031] Figure 1 A structure schematic view of a thick-wall light guide element provided by the utility model embodiment is shown in the figure.

[0032] Figure 2 A structure schematic view of a light guide light exit surface provided by the utility model embodiment is shown in the figure.

[0033] Figure 3 A top view of a multi-edge pattern unit provided by the utility model embodiment is shown in the figure.

[0034] Figure 4 A side view of a multi-edge pattern unit provided by the utility model embodiment is shown in the figure.

[0035] Figure 5 A Figure 1 A section view along the direction of AA'.

[0036] Figure 6 A structure schematic view of an optical system provided by the utility model embodiment is shown in the figure.

[0037] Figure 7 Another structure schematic view of an optical system provided by the utility model embodiment is shown in the figure.

[0038] Reference signs:

[0039] 10 - thick-walled light guide element; 20 - light source; 30 - collimator; 11 - first thick-walled part; 111 - light inlet surface of the first thick-walled part; 112 - light outlet surface of the first thick-walled part; 12 - second thick-walled part; 121 - light inlet surface of the second thick-walled part; 122 - light outlet surface of the second thick-walled part (light guide light outlet surface); 1221 - polygonal pattern unit; 1221a - polygonal bottom surface; 1221b - side surface; Q - vertex; AA' - section direction; X - direction of light outlet light path. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0041] As described in the background, with the development of modern industry, the automobile technology has achieved a leap in rapid development, with the development of economy, the demand for cars in modern life is getting bigger and bigger, and the performance and humanized design of cars are getting more and more attention. The lighting lamps on the car include various signal functions, and the lighting modes of each function are different. Among them, the light source side of the optical thick-walled part is one of them, that is, the light beam emitted by the light source is processed by various different forms of optical patterns on the thick-walled part, and the light beam is projected out of the thick-walled part to achieve the purpose of illumination. The design of optical patterns on the optical thick-walled part is of great significance to the improvement of optical performance, the enhancement of visual effect and the improvement of product added value. Therefore, the optical pattern design of the optical thick-walled part has become one of the main research and development projects of researchers today. The existing optical patterns are mostly circular, lines and other shapes, which makes the illumination effect and aesthetic appearance of the optical thick-walled part poor, and further improvement is needed.

[0042] Based on this, the thick-walled light guide element, optical system and car lamp provided in the embodiments of the present application effectively solve the technical problems existing in the prior art, not only can ensure the high light output effect of the thick-walled light guide element, but also can improve the aesthetic appearance and visual effect of the thick-walled light guide element, and the thick-walled light guide element is suitable for various different types of car lamps, has strong applicability and promotion value.

[0043] To achieve the above-mentioned purpose, the technical solutions provided in the embodiments of the present application are as follows, which are specifically combined Figures 1 to 7 The technical solutions provided in the embodiments of the present application are described in detail.

[0044] Combined Figures 1 to 4As shown, Figure 1 A structure schematic view of a thick-wall light guide element provided by the embodiment of the present utility model, Figure 2 A structure schematic view of a light guide light exit surface provided by the embodiment of the present utility model, Figure 3 A top view schematic view of a multi-edge pattern unit provided by the embodiment of the present utility model, Figure 4 A side view schematic view of a multi-edge pattern unit provided by the embodiment of the present utility model, wherein, Figure 3 And Figure 4 As Figure 2 An enlarged schematic view of one multi-edge pattern unit 1221 in the above-mentioned structure schematic view of the thick-wall light guide element 10. The thick-wall light guide element 10 provided by the embodiment of the present utility model comprises a light guide light exit surface 122, wherein the light guide light exit surface 122 comprises a light diffusion pattern structure, and the light diffusion pattern structure is used for diffusing light beams. The light diffusion pattern structure comprises a plurality of multi-edge pattern units 1221, and the multi-edge pattern unit 1221 comprises a polygonal bottom surface 1221a and a plurality of side surfaces 1221b protruding outside the thick-wall light guide element 10, and one side surface 1221b is connected with one side of the polygonal bottom surface 1221a. As shown, Figure 3 One side surface 1221b is connected with one side of the polygonal bottom surface 1221a and shares the side.

[0045] It should be noted that the multi-edge pattern unit 1221 provided by the embodiment of the present utility model is a part of microstructure, such as a micro-lens structure, protruding on the thick-wall light guide element 10, so the polygonal bottom surface 1221a is not a substantially independent surface, but a polygonal contour formed by a plurality of side surfaces 1221b connected with each other and surrounded by a plurality of edges on the light guide light exit surface 122, such as Figure 3 The bottom surface of the hexagonal contour shown.

[0046] From the above, the technical scheme provided by the embodiment of the utility model can prepare the light diffusion pattern structure on the light guide light exit surface 122, the light diffusion pattern structure can diffuse the light exit of the thick wall light guide element 10, improve the lighting efficiency of the thick wall light guide element 10, thereby better illuminating the detection area, and the driving safety is enhanced. Moreover, the technical scheme provided by the embodiment of the utility model optimizes and improves the light diffusion pattern structure of the light guide light exit surface 122, so that each multi-edge pattern unit 1221 includes a polygonal bottom surface 1221a and a plurality of side surfaces 1221b protruding outside the thick wall light guide element 10, the stereoscopic sense of the multi-edge pattern unit 1221 is improved, the thick wall light guide element 10 is improved in the appearance and visual effect while ensuring the high light exit effect, especially in the state that the vehicle lamp is not lighted, the appearance of the thick wall light guide element 10 is intuitively presented. In addition, the thick wall light guide element 10 provided by the embodiment of the utility model is suitable for various types of vehicle lamps, and has strong applicability and popularization value.

[0047] In some embodiments, the overall profile of the multi-edge pattern unit 1221 provided by the embodiment of the utility model can be similar to the shape of a multi-prism. Referring to Figure 3 and Figure 4 The multi-edge pattern unit 1221 provided by the embodiment of the utility model includes a vertex Q protruding outside the thick wall light guide element; the side line of the side surface 1221b is a triangular side line, and the triangular side line is connected to the vertex Q away from the angle of the polygonal bottom surface. Moreover, the adjacent two triangular side lines provided by the embodiment of the utility model are connected and share a side, thereby forming a multi-edge pattern unit 1221 similar to a multi-prism, further improving the stereoscopic sense of the multi-edge pattern unit 1221, further improving the appearance and visual effect of the thick wall light guide element 10 on the basis of ensuring the high light exit effect of the thick wall light guide element 10. As shown in Figure 3 and 4 The multi-edge pattern unit 1221, the polygonal bottom surface 1221a can be a hexagonal bottom surface, and the multi-edge pattern unit 1221 includes six side surfaces 1221b, forming a structure similar to a hexagonal prism.

[0048] In some embodiments, the side surface 1221b can be designed as a plane, a surface with an arc shape, etc. according to actual needs, and the utility model does not make specific limitations on this. That is, in the polygonal pattern unit 1221 provided by the embodiments of the utility model, at least one of the side surfaces 1221b is a plane; and / or, at least one of the side surfaces 1221b is a convex surface; and / or, at least one of the side surfaces 1221b is a concave surface. Optionally, in the polygonal pattern unit 1221 provided by the embodiments of the utility model, all of the side surfaces 1221b can be planes; or, all of the side surfaces 1221b in the polygonal pattern unit 1221 can be convex surfaces; or, all of the side surfaces 1221b in the polygonal pattern unit 1221 can be concave surfaces; or, part of the side surfaces 1221b in the polygonal pattern unit 1221 are planes, and part of the side surfaces 1221b are convex surfaces; or, part of the side surfaces 1221b in the polygonal pattern unit 1221 are planes, and part of the side surfaces 1221b are concave surfaces; or, part of the side surfaces 1221b in the polygonal pattern unit 1221 are convex surfaces, and part of the side surfaces 1221b are concave surfaces; or, part of the side surfaces 1221b in the polygonal pattern unit 1221 are planes, part of the side surfaces 1221b are convex surfaces, and part of the side surfaces 1221b are concave surfaces, which need to be specifically selected and designed according to actual applications.

[0049] In some embodiments, the polygonal bottom surface 1221a can be a hexagonal bottom surface. It should be noted that the utility model does not make specific limitations on the shape of the polygonal bottom surface 1221a, such as it can be an equilateral hexagonal bottom surface, or a polygonal bottom surface with other number of sides, etc., which needs to be specifically designed according to actual applications.

[0050] Reference Figure 5 As shown, Figure 5 As Figure 1 A sectional view along the direction of AA' is shown. The thick-walled light guide element 10 provided by the embodiments of the utility model comprises: a first thick-walled part 11 and a second thick-walled part 12 arranged in sequence along the direction X of the light emitting path, the light emitting surface 122 of the second thick-walled part 12 is the light guide light emitting surface 122; wherein the light beam emitted by the light source 20 enters the first thick-walled part 11 through the light entrance surface 111 of the first thick-walled part 11, then exits to the light entrance surface 121 of the second thick-walled part 12 through the light exit surface 112 of the first thick-walled part 11, and then enters the second thick-walled part 12 through the light entrance surface 121 of the second thick-walled part 12, and then exits through the light guide light emitting surface 122, which further improves the light emitting effect of the thick-walled light guide element 10 by processing the light emitted by the light source 20 multiple times.

[0051] In some embodiments, at least one of the light-incident surface 111 of the first thick-wall portion 11, the light-emitting surface 112 of the first thick-wall portion 11, and the light-incident surface 121 of the second thick-wall portion 12 comprises an optical pattern for diffusing the light beam. It can be understood that the light beam emitted by the light source 20 first enters the interior of the first thick-wall portion 11 via the light-incident surface 111 of the first thick-wall portion 11, and the light-incident surface 111 diffuses the light beam before entering the interior of the first thick-wall portion 11; then the light beam is emitted via the light-emitting surface 112 of the first thick-wall portion 11, and the light-emitting surface 112 diffuses the light beam again. The light beam emitted by the light-emitting surface 112 enters the interior of the second thick-wall portion 12 via the light-incident surface 121 of the second thick-wall portion 12, and the light-incident surface 121 diffuses the light beam again; finally, the light beam is emitted via the light-emitting surface 122 of the light guide, and the light diffusion pattern structure of the light-emitting surface 122 diffuses the light beam for the last time, thereby achieving a transparent, uniform, and novel light-emitting effect in cooperation with the shape of the vehicle lamp. When the multi-sided pattern unit 1221 comprises a hexagonal bottom surface 1221b, the light-emitting of the thick-wall light guide element 10 can have a hexagonal effect, thereby balancing the light-emitting aesthetics and the appearance aesthetics.

[0052] Further, the first thick-wall portion 11 and the second thick-wall portion 12 can be connected at the opposite positions of the light-emitting surface 112 of the first thick-wall portion 11 and the light-incident surface 121 of the second thick-wall portion 12, thereby improving the overall effect of the thick-wall light guide element 10. Optionally, the first thick-wall portion 11 and the second thick-wall portion 12 can be an integral structure, and the utility model does not make a specific limitation in this regard.

[0053] Based on the same inventive concept, the utility model also provides an optical system. Referring to FIG. 13, which is a structural schematic diagram of an optical system provided by the utility model, the optical system comprises the thick-wall light guide element 10 provided by any one of the embodiments. As shown in FIG. 13, the thick-wall light guide element 10 comprises a light-emitting surface 122, and the light-emitting surface 122 comprises a light diffusion pattern structure for diffusing a light beam. The light diffusion pattern structure comprises a plurality of multi-sided pattern units 1221, each of which comprises a multi-sided bottom surface 1221a and a plurality of side surfaces 1221b protruding from the outer side of the thick-wall light guide element 10, and one of the side surfaces 1221b is connected to one side of the multi-sided bottom surface 1221a. As shown in FIG. 13, one of the side surfaces 1221b is connected to one side of the multi-sided bottom surface 1221a and shares the side. The optical system comprises a light source 20 arranged on the light-incident surface side of the thick-wall light guide element 10. Figure 6 Figures 1 to 4 Figure 3 Based on the same inventive concept, the utility model also provides an optical system. Referring to FIG. 13, which is a structural schematic diagram of an optical system provided by the utility model, the optical system comprises the thick-wall light guide element 10 provided by any one of the embodiments. As shown in FIG. 13, the thick-wall light guide element 10 comprises a light-emitting surface 122, and the light-emitting surface 122 comprises a light diffusion pattern structure for diffusing a light beam. The light diffusion pattern structure comprises a plurality of multi-sided pattern units 1221, each of which comprises a multi-sided bottom surface 1221a and a plurality of side surfaces 1221b protruding from the outer side of the thick-wall light guide element 10, and one of the side surfaces 1221b is connected to one side of the multi-sided bottom surface 1221a. As shown in FIG. 13, one of the side surfaces 1221b is connected to one side of the multi-sided bottom surface 1221a and shares the side. The optical system comprises a light source 20 arranged on the light-incident surface side of the thick-wall light guide element 10.​​

[0054] From the above, the technical scheme provided by the embodiment of the utility model discloses the light diffusion pattern structure to the light guide light exit surface 122 preparation, and the light diffusion pattern structure can disperse the light of thick wall light guide element 10 and emit light, improves the lighting efficiency of thick wall light guide element 10, thereby can better illuminate the detection area, enhances the driving safety. And the technical scheme provided by the embodiment of the utility model discloses the light diffusion pattern structure of light guide light exit surface 122 is optimized and improved, so that each multi-edge pattern unit 1221 includes polygonal bottom surface 1221a and the plurality of side surface 1221b that protrude to the outside of thick wall light guide element 10, improves the stereoscopic feeling of multi-edge pattern unit 1221, improves the aesthetic and visual effect of thick wall light guide element 10 while guaranteeing the high light effect of thick wall light guide element 10, especially intuitively presents the aesthetic of thick wall light guide element 10 under the state that the vehicle lamp is not lit. In addition, the thick wall light guide element 10 provided by the embodiment of the utility model is suitable for various different types of vehicle lamps, and has strong applicability and popularization value.

[0055] Continue to refer to Figure 3 And Figure 4 The utility model discloses the multi-edge pattern unit 1221 includes the vertex Q that protrudes to the outside of thick wall light guide element, and the side line of side surface 1221b is triangle side line, and the triangle side line is connected to vertex Q away from the angle of polygonal bottom surface. And the utility model discloses two adjacent triangle side lines link and share a side, thereby form the multi-edge pattern unit 1221 similar to multi-prism pyramid, further improve the stereoscopic feeling of multi-edge pattern unit 1221, further improve the aesthetic and visual effect of thick wall light guide element 10 on the basis of guaranteeing the high light effect of thick wall light guide element 10. As Figure 3 And 4 The multi-edge pattern unit 1221 of the utility model discloses polygonal bottom surface 1221a can be hexagonal bottom surface, and multi-edge pattern unit 1221 includes six side surface 1221b, forms the structure similar to hexagonal pyramid shape.

[0056] In some embodiments, in the polygonal pattern unit 1221 provided by this utility model, all sides 1221b can be planar; or, all sides 1221b in the polygonal pattern unit 1221 can be convex; or, all sides 1221b in the polygonal pattern unit 1221 can be concave; or, some sides 1221b in the polygonal pattern unit 1221 are planar and some sides 1221b are convex; or, some sides 1221b in the polygonal pattern unit 1221 are planar and some sides 1221b are concave; or, some sides 1221b in the polygonal pattern unit 1221 are convex and some sides 1221b are concave; or, some sides 1221b in the polygonal pattern unit 1221 are planar, some sides 1221b are convex, and some sides 1221b are concave. The specific selection and design need to be made according to the actual application.

[0057] In some embodiments, the light-incident surface of the thick-walled light guide element 10 provided in this utility model embodiment is the light-incident surface 111 of the first thick-walled portion 11. (Continue referring to...) Figure 6 As shown, the thick-walled light guide element 10 provided in this embodiment of the present invention includes: a first thick-walled portion 11 and a second thick-walled portion 12 arranged sequentially along the direction X of the light-emitting path, wherein the light-emitting surface 122 of the second thick-walled portion 12 is the light-exiting surface 122; wherein, the light beam emitted from the light source 20 enters the first thick-walled portion 11 through the light-incident surface 111 of the first thick-walled portion 11, then exits through the light-emitting surface 112 of the first thick-walled portion 11 to the light-incident surface 121 of the second thick-walled portion 12, then enters the second thick-walled portion 12 through the light-incident surface 121 of the second thick-walled portion 12, and then exits through the light-exiting surface 122. By processing the light emitted from the light source 20 multiple times before exiting, the light-emitting effect of the thick-walled light guide element 10 is further improved. It can be seen that the light-incident surface of the thick-walled light guide element 10 is the light-incident surface 111 of the first thick-walled portion 11.

[0058] In some embodiments, at least one of the light-incident surface 111 of the first thick-wall portion 11, the light-emitting surface 112 of the first thick-wall portion 11, and the light-incident surface 121 of the second thick-wall portion 12 comprises an optical pattern for diffusing the light beam. It can be understood that the light beam emitted by the light source 20 first enters the interior of the first thick-wall portion 11 via the light-incident surface 111 of the first thick-wall portion 11, and the light-incident surface 111 diffuses the light beam before entering the interior of the first thick-wall portion 11; then the light beam is emitted via the light-emitting surface 112 of the first thick-wall portion 11, and the light-emitting surface 112 diffuses the light beam again. The light beam emitted by the light-emitting surface 112 enters the interior of the second thick-wall portion 12 via the light-incident surface 121 of the second thick-wall portion 12, and the light-incident surface 121 diffuses the light beam once more; finally, the light beam is emitted via the light-emitting surface 122 of the light guide, and the light diffusion pattern structure of the light-emitting surface 122 diffuses the light beam for the last time, thereby achieving a transparent, uniform, and novel light-emitting effect in cooperation with the shape of the vehicle lamp. When the multi-sided pattern unit 1221 comprises a bottom surface 1221b in the shape of a hexagon, the light-emitting of the thick-wall light guide element 10 can have a hexagonal effect, thereby balancing the light-emitting aesthetics and the appearance aesthetics.

[0059] Further, the first thick-wall portion 11 and the second thick-wall portion 12 provided in the embodiments of the present application can be connected at the positions opposite to the light-emitting surface 112 of the first thick-wall portion 11 and the light-incident surface 121 of the second thick-wall portion 12, thereby improving the overall effect of the thick-wall light guide element 10. Optionally, the first thick-wall portion 11 and the second thick-wall portion 12 provided in the embodiments of the present application can be an integral structure, and the present application does not make a specific limitation in this regard.

[0060] In some embodiments, the light source 20 provided in the embodiments of the present application can comprise a light-emitting diode. The light-emitting diode has the advantages of small volume, low power, long service life, high brightness, low heat, environmental protection, and ruggedness, and the optical system provided in the embodiments of the present application adopts the light-emitting diode as the light source 20, thereby further improving the light-emitting effect of the optical system. In addition, in other embodiments, the light source 20 provided in the embodiments of the present application can also comprise other types of light-emitting elements, and the present application does not make a specific limitation in this regard.

[0061] Reference Figure 7 Fig. 2 shows a structural schematic diagram of another optical system provided in the embodiments of the present application, wherein the optical system provided in the embodiments of the present application further comprises: a light guide 30 arranged on the light-emitting surface 112 of the first thick-wall portion 11 and the light-incident surface 121 of the second thick-wall portion 12, and the light guide 30 is arranged to be in contact with the light-emitting surface 112 of the first thick-wall portion 11 and the light-incident surface 121 of the second thick-wall portion 12. Figure 7The collimator 30 between the light source 20 and the light-incident surface of the thick-wall light guide element 10 is not drawn due to angle shielding. In the working process of the optical system, the light beam emitted by the light source 20 is first collimated by the collimator 30, and then emitted into the thick-wall light guide element 10, thereby further improving the light emission effect of the optical system.

[0062] Based on the same inventive concept, the utility model embodiment further provides a vehicle lamp, which comprises the optical system provided by any one of the above embodiments.

[0063] In summary, the utility model embodiment provides a thick-wall light guide element, an optical system and a vehicle lamp, the thick-wall light guide element comprising: a light guide light emitting surface, the light guide light emitting surface comprising a light diffusion pattern structure, wherein the light diffusion pattern structure comprises a plurality of polygonal pattern units, each polygonal pattern unit comprising a polygonal bottom surface and a plurality of side surfaces protruding from the outer side of the thick-wall light guide element, and one side surface is connected to one side of the polygonal bottom surface.

[0064] As can be seen from the above, the utility model embodiment provides a technical scheme in which a light diffusion pattern structure is prepared on a light guide light emitting surface, the light diffusion pattern structure can diffuse the light emitted by the thick-wall light guide element, thereby improving the lighting efficiency of the thick-wall light guide element, and better illuminating the detection area, thereby enhancing the driving safety.

[0065] In addition, the technical scheme provided by the utility model embodiment optimizes and improves the light diffusion pattern structure on the light guide light emitting surface, so that each polygonal pattern unit comprises a polygonal bottom surface and a plurality of side surfaces protruding from the outer side of the thick-wall light guide element, thereby improving the three-dimensionality of the polygonal pattern unit, improving the appearance and visual effect of the thick-wall light guide element while ensuring the high light emission effect of the thick-wall light guide element, and especially intuitively presenting the appearance of the thick-wall light guide element when the vehicle lamp is not lit.

[0066] In addition, the thick-wall light guide element provided by the utility model embodiment is suitable for various types of vehicle lamps, and has strong applicability and promotional value.

[0067] In the description of the utility model, it is understood that, if the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and it does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0068] In addition, if the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0069] In the utility model, unless otherwise specifically defined and limited, the terms such as "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0070] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be indirectly contacted through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0071] In the present application, if the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" are used, it means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0072] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A thick-walled light guide element, characterized by The thick-walled light guide element comprises: a light guide light exit surface, the light guide light exit surface comprising a light diffusion pattern structure, wherein the light diffusion pattern structure comprises a plurality of polygonal pattern units, each polygonal pattern unit comprising a polygonal base and a plurality of side surfaces protruding out of the thick-walled light guide element, one side surface of the plurality of side surfaces being connected to one side of the polygonal base.

2. The thick-walled light guide element of claim 1, wherein The polygonal pattern unit comprises an apex protruding out of the thick-walled light guide element. The side surface comprises a triangular side line, and the triangular side line is connected to the apex away from the corner of the polygonal base.

3. The thick-walled light guide element of claim 2, wherein, Two adjacent triangular side lines are connected and share one side.

4. The thick-walled light guide element of claim 1, wherein, At least one side surface is a planar surface. At least one side surface is a convex surface. At least one side surface is a concave surface.

5. A thick walled light guide element according to any one of claims 1-4, characterized in that The polygonal base is a hexagonal base.

6. The thick walled light guide element of claim 1, wherein, The thick-walled light guide element comprises: a first thick-walled portion and a second thick-walled portion arranged in sequence along a light exit path, the light exit surface of the second thick-walled portion being the light guide light exit surface; wherein the light beam emitted by the light source enters the first thick-walled portion through the light entrance surface of the first thick-walled portion, then exits the first thick-walled portion through the light exit surface of the first thick-walled portion and enters the second thick-walled portion through the light entrance surface of the second thick-walled portion, and then exits through the light guide light exit surface.

7. The thick walled light guide element of claim 6, wherein, At least one of the light entrance surface of the first thick-walled portion, the light exit surface of the first thick-walled portion, and the light entrance surface of the second thick-walled portion comprises an optical pattern.

8. An optical system characterized by comprising: The optical system comprises: the thick-walled light guide element according to any one of claims 1-7; a light source arranged on the side of the light entrance surface of the thick-walled light guide element.

9. The optical system of claim 8, wherein, The optical system further comprises: a collimator arranged between the light source and the light entrance surface of the thick-walled light guide element.

10. A vehicle lamp fixture, characterized by, The vehicle lamp fixture comprises the optical system according to claim 8 or 9.

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