Optical structure
By designing the optical structure of the light inlet end, bracket assembly and light guide in automotive lamps, the problems of low light output efficiency and poor uniformity in the prior art are solved, and the effect of uniform lighting of the car light and high light output efficiency is achieved.
Patent Information
- Application Number
- CN202422182241.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-09-05
AI Technical Summary
The existing optical structure has low light output efficiency and poor uniformity in automotive lamps, resulting in poor lighting effect of the headlights.
By designing an optical structure including an inlet end, a bracket assembly and a light guide, after the light ray is gathered through the inlet end, it realizes multiple refraction and reflection through the reflection of the bracket assembly and the refraction of the light guide, thereby improving the light output efficiency and uniformity.
It realizes uniform lighting and high light output efficiency, while also providing visual transparency and versatility.
Smart Images
Figure CN222950899U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile lamps, in particular to an optical structure. Background Art
[0002] With the rapid development of automobile lighting technology and consumers' increasing pursuit of lighting effects, production costs and efficiency are also urgent issues that all lighting suppliers need to solve. At present, after the light is emitted from the LED, it passes through thick-walled parts (including: direct-type, reflector-type and reflective thick-walled parts, or combined thick-walled parts (any combination of two or three)), and then emerges from the light-emitting surface to achieve a more uniform lighting effect of the lamp. However, due to factors such as the inclination of the shape or the limitation of the shape space, there is a problem of low efficiency. Utility Model Content
[0003] The technical problem to be solved by the utility model is: in order to solve the technical problems of low light extraction efficiency and poor uniformity of the existing optical structure, the utility model provides an optical structure, which can achieve uniform lighting of the car lights and high light extraction efficiency by improving the optical structure.
[0004] The technical solution adopted by the utility model to solve its technical problems is: an optical structure, including: a light incident end, a bracket assembly, a light guide and a light emitting surface, the light incident end is used to gather light emitted by a light source, the bracket assembly is used to reflect the light gathered by the light incident end, the light guide is connected to the light incident end, the light guide is used to refract the light reflected by the bracket assembly, and the light emitting surface is located on a side of the light guide away from the bracket assembly.
[0005] Therefore, through the cooperation of the light incident end, the bracket assembly and the light guide, the light can be gathered and then refracted and reflected multiple times, so that the car lights can be evenly lit and have high light output efficiency. At the same time, it can also be visually transparent and universal.
[0006] Furthermore, the bracket assembly includes: a first bracket, a second bracket and a third bracket, the two ends of the second bracket are connected to the first bracket and the third bracket respectively, and the first bracket is located on the left side of the light incident end, and the third bracket is located below the light guide. Therefore, the first bracket and the third bracket play the role of fixing and assembling the light incident end, the light guide or the housing and other parts of the vehicle lamp; the second bracket is used to reflect the light gathered by the light incident end.
[0007] Furthermore, the inner surface of the second bracket is plated with aluminum, thereby increasing the reflectivity of the light and further improving the light extraction efficiency of the entire optical structure.
[0008] Furthermore, the second bracket adopts a curved surface or an inclined surface. Thus, by adopting a design method of a curved surface or an inclined surface, the light gathered by the light incident end can be reflected.
[0009] Further, the light guide body includes: a first light guide part, a second light guide part and a third light guide part, the first light guide part is located above the left side of the second light guide part, the third light guide part is located below the right side of the second light guide part, the two ends of the first light guide part are respectively connected to the light input end and the second light guide part, and the two ends of the third light guide part are respectively connected to the second light guide part and the light output surface; the side of the second light guide part away from the third light guide part is an optical surface, and the optical surface is provided with a light distribution pattern; the first light guide part, the second light guide part and the third light guide part are combined to form a stepped light guide body. Thus, the light distribution pattern can make the car lights more evenly lit.
[0010] Furthermore, the height of the light emitting surface is H1, and the longitudinal projection distance of the second bracket is H2, wherein: H2≥H1. Thus, uniform lighting of the light emitting surface can be achieved.
[0011] Furthermore, the lateral projection distance of the light incident end is H3, wherein: H3≥H1. Thus, uniform lighting of the light emitting surface can be achieved.
[0012] Furthermore, a light distribution pattern is provided on the surface of the light incident end, so that the light of the vehicle lamp can be lit more evenly.
[0013] Furthermore, the light incident end adopts a concentrator, thereby being able to concentrate the light emitted by the light source.
[0014] Furthermore, the light incident end adopts a lens, thereby being able to gather the light emitted by the light source.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] Through the cooperation of the light input end, the bracket assembly and the light guide, the light can be gathered and then refracted and reflected multiple times, so that the car lights can be evenly lit and have high light output efficiency. At the same time, it can also be visually transparent and universal. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0018] Figure 1 is a schematic structural diagram of the optical structure of Example 1;
[0019] Figure 2 It is a left side view of the optical structure of Example 1;
[0020] Figure 3 is a top view of the optical structure of Example 1;
[0021] Figure 4 It is a structural schematic diagram of the bracket assembly of the utility model;
[0022] Figure 5 is a schematic structural diagram of the optical structure of Example 2;
[0023] Figure 6 A bottom view of the light incident end, the light guide and the light emitting surface of Example 2;
[0024] Figure 7 is a top view of the optical structure of Example 2;
[0025] Figure 8 This is a right view of the optical structure of Example 2.
[0026] In the figure: 1. light incident end; 2. bracket assembly; 201. first bracket; 202. second bracket; 203. third bracket; 3. light guide; 301. first light guide part; 302. second light guide part; 303. third light guide part; 4. light emitting surface. DETAILED DESCRIPTION
[0027] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0028] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0030] Embodiment 1:
[0031] like Figures 1 to 4 As shown, an optical structure includes: a light input end 1, a bracket assembly 2, a light guide 3 and a light output surface 4, wherein the light input end 1 is used to gather light emitted by a light source, the bracket assembly 2 is used to reflect the light gathered by the light input end 1, the light guide 3 is connected to the light input end 1, the light guide 3 is used to refract the light reflected by the bracket assembly 2, and the light output surface 4 is located on the side of the light guide 3 away from the bracket assembly 2. Therefore, through the cooperation of the light input end 1, the bracket assembly 2 and the light guide 3, the light can be refracted and reflected multiple times after being gathered, so that the car lights can be evenly lit and the light output efficiency is high, and at the same time, it can also be visually transparent and has universality.
[0032] Specifically, the light source is not limited to a color, for example: red, white, yellow.
[0033] Specifically, the bracket component 2 is made of transparent material (for example, PMMA (polymethyl methacrylate), PC (polycarbonate)), white material (for example, PC (polycarbonate)), and black material (for example, PC (polycarbonate)). Its purpose is to be used for connecting other structures and to reflect light.
[0034] Specifically, the light guide 3 is made of transparent material (eg PMMA (polymethyl methacrylate), PC (polycarbonate)), the purpose of which is to ensure that the light is evenly transmitted in the entire optical structure.
[0035] Specifically, the light emitting surface 4 is provided with a corn kernel pattern, and leather grain or other patterns are added.
[0036] Specifically, the light incident end 1 and the light guide 3 are mounted on the vehicle lamp, and the bracket assembly 2 is also mounted on the vehicle lamp.
[0037] In this embodiment, the light incident end 1 adopts a concentrator, and a light distribution pattern is provided on the upper surface of the light incident end 1. Thus, the light emitted by the light source can be concentrated; and the light distribution pattern can make the vehicle lamp light up more evenly.
[0038] In this embodiment, the bracket assembly 2 includes: a first bracket 201, a second bracket 202 and a third bracket 203. The two ends of the second bracket 202 are connected to the first bracket 201 and the third bracket 203 respectively, and the first bracket 201 is located on the left side of the light input end 1, and the third bracket 203 is located below the light guide 3; the inner surface of the second bracket 202 is aluminum-plated; the second bracket 202 adopts a curved surface or an inclined surface. Therefore, the first bracket 201 and the third bracket 203 play the role of fixing and assembling the light input end 1, the light guide 3 or other parts of the car lamp such as the shell; the second bracket 202 is used to reflect the light gathered by the light input end 1; aluminum plating increases the reflectivity of the light, thereby further improving the light output efficiency of the entire optical structure; by adopting a curved surface or an inclined surface design, the light gathered by the light input end 1 can be reflected.
[0039] Specifically, the inner surface of the first bracket 201 is partially or entirely plated with aluminum, and the inner surface of the third bracket 203 is partially or entirely plated with aluminum, the purpose of which is to increase the reflectivity of light.
[0040] Specifically, the first bracket 201, the second bracket 202 and the third bracket 203 are all provided with light distribution patterns as required, the purpose of which is to ensure that the vehicle lights are lit more evenly and the light output efficiency is higher.
[0041] In this embodiment, the light guide 3 includes: a first light guide portion 301, a second light guide portion 302 and a third light guide portion 303, the first light guide portion 301 is located above the left side of the second light guide portion 302, the third light guide portion 303 is located below the right side of the second light guide portion 302, the two ends of the first light guide portion 301 are respectively connected to the light input end 1 and the second light guide portion 302, and the two ends of the third light guide portion 303 are respectively connected to the second light guide portion 302 and the light output surface 4; the side of the second light guide portion 302 away from the third light guide portion 303 is an optical surface, and the optical surface is provided with a light distribution pattern; the first light guide portion 301, the second light guide portion 302 and the third light guide portion 303 are combined to form a stepped light guide 3. Therefore, the light distribution pattern can make the car lights more evenly lit.
[0042] In this embodiment, the height of the light emitting surface 4 is H1, the longitudinal projection distance of the second bracket 202 is H2, and the transverse projection distance of the light incident end 1 is H3, wherein: H2≥H1, H3≥H1. Thus, the light emitting surface 4 can be evenly illuminated.
[0043] The light emission process of the utility model is: first, the light emitted by the light source is gathered through the light incident end 1; then, the gathered light is reflected through the second bracket 202; then, the reflected light is refracted by the light guide 3; finally, it is emitted through the light emitting surface 4.
[0044] Embodiment 2:
[0045] like Figures 5 to 8 As shown, the difference from Example 1 is that the light input end 1 adopts a lens, and a light distribution pattern is provided on the surface of the light input end 1. Thus, the light emitted by the light source can be gathered, and the lens has a better focusing effect than the concentrator; the light distribution pattern can make the car lights more evenly lit and the light output efficiency higher.
[0046] Specifically, the light incident end 1 includes but is not limited to a lens or a concentrator. In addition, a diffusion pattern or a leather pattern may be added to the surface of the light incident end 1 for the purpose of concentrating light.
[0047] In summary, the utility model cooperates with the light input end 1, the bracket assembly 2 and the light guide 3 so that the light can be gathered and then refracted and reflected multiple times, so that the car lights can be evenly lit and have high light output efficiency. At the same time, it can also be visually transparent and universal.
[0048] The above description is based on the ideal embodiment of the utility model. Through the above description, relevant staff can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of the utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. An optical structure, characterized in that: include: A light incident end (1), the light incident end (1) being used to gather light emitted by a light source; A support assembly (2), the support assembly (2), the support assembly (2) is used to reflect the light gathered by the light incident end (1); A light guide (3), the light guide (3) being connected to the light incident end (1), and the light guide (3) being used to refract the light reflected by the bracket assembly (2); A light emitting surface (4), the light emitting surface (4) being located on a side of the light guide (3) away from the support assembly (2).
2. The optical structure according to claim 1, characterized in that: The support assembly (2) comprises: A first bracket (201), a second bracket (202) and a third bracket (203), wherein two ends of the second bracket (202) are respectively connected to the first bracket (201) and the third bracket (203), and the first bracket (201) is located on the left side of the light incident end (1), and the third bracket (203) is located below the light guide (3).
3. The optical structure according to claim 2, characterized in that: The inner surface of the second bracket (202) is plated with aluminum.
4. The optical structure according to claim 2, characterized in that: The second bracket (202) is a curved surface or an inclined surface.
5. The optical structure according to claim 1, characterized in that: The light guide (3) comprises: A first light guide portion (301), a second light guide portion (302) and a third light guide portion (303), wherein the first light guide portion (301) is located above the left side of the second light guide portion (302), and the third light guide portion (303) is located below the right side of the second light guide portion (302), two ends of the first light guide portion (301) are respectively connected to the light incident end (1) and the second light guide portion (302), and two ends of the third light guide portion (303) are respectively connected to the second light guide portion (302) and the light exit surface (4); The side surface of the second light guide portion (302) away from the third light guide portion (303) is an optical surface, and the optical surface is provided with a light distribution pattern; The first light guide portion (301), the second light guide portion (302) and the third light guide portion (303) are combined together to form the stepped light guide body (3).
6. The optical structure according to claim 2, characterized in that: The height of the light emitting surface (4) is H1, and the longitudinal projection distance of the second bracket (202) is H2; Among them: H2≥H1.
7. The optical structure according to claim 1, characterized in that: The lateral projection distance of the light incident end (1) is H3; Among them: H3≥H1.
8. The optical structure according to claim 1, characterized in that: The surface of the light incident end (1) is provided with a light distribution pattern.
9. The optical structure according to claim 1, characterized in that: The light incident end (1) adopts a concentrator.
10. The optical structure according to claim 1, characterized in that: The light incident end (1) adopts a lens.