Strip-shaped lamp, vehicle lamp and vehicle

Abstract

The invention relates to the technical field of vehicle accessories, and discloses a strip-shaped lamp, a vehicle lamp and a vehicle. The strip-shaped lamp extends in the first direction and comprises a light source component, a reflection component and a diffusion component; the diffusion component is used for diffusing the reflection light rays reflected by the reflection component into first diffusion light rays and second diffusion light rays in the first direction and the second direction respectively, the diffusion component is provided with a first diffusion angle corresponding to the first direction and a second diffusion angle corresponding to the second direction, and the first diffusion angle is larger than the second diffusion angle. After the light source component emits the original light, the original light is reflected to the diffusion component through the reflection component, and the first diffusion angle is larger than the second diffusion angle, so that the uniformity of the first diffusion light in the first direction can be guaranteed, and meanwhile, the transmittance of the second diffusion light in the second direction can be high enough to meet the requirement for the brightness of the vehicle lamp; therefore, the uniformity of the reflected light in the first direction and the brightness of the vehicle lamp can be considered simultaneously.

Description

Technical Field

[0001] This application belongs to the field of vehicle parts technology, specifically relating to a strip light, a vehicle light, and a vehicle. Background Technology

[0002] For strip-shaped vehicle lights, the longitudinal luminous surface is much smaller than the lateral luminous surface. Current strip-shaped vehicle lights consist of an LED circuit board, a reflector, and discrete materials. The LEDs on the LED circuit board emit light, which is reflected by the reflector onto the discrete materials. The discrete materials then diffuse the reflected light. Since the diffusion angle of the discrete materials is the same in all directions, in order to ensure the uniformity of the lateral light, a discrete material with a large diffusion angle needs to be selected. However, such discrete materials have low transmittance and cannot meet the brightness requirements of vehicle lights. Summary of the Invention

[0003] The purpose of this application is to provide a strip light, vehicle light, and vehicle that achieves both lateral light uniformity and transmittance.

[0004] To achieve the above objectives, a first aspect of this application provides a strip light extending along a first direction and comprising: a light source component for emitting original light; a reflecting component configured to reflect the original light emitted by the light source component to form reflected light; and a diffusion component disposed within the scattering range of the reflected light, the diffusion component being configured to diffuse the reflected light along the first direction and the second direction into a first diffused light and a second diffused light, the diffusion component having a first diffusion angle corresponding to the first direction and a second diffusion angle corresponding to the second direction, the first diffusion angle being greater than the second diffusion angle.

[0005] In some implementations, the ratio of the first diffusion angle to the second diffusion angle is 5 to 7:1.

[0006] In some embodiments, the diffusion component is formed as a polarizing film, and the diffusion component has a diffusion surface, on which micro-patterns extending in a first direction and in a second direction are formed, so as to form a first diffusion angle and a second diffusion angle through the micro-patterns.

[0007] In some embodiments, the reflective component has an inclined reflective surface located on the scattering path between the light source component and the diffuser component.

[0008] In some embodiments, the strip light also includes a focusing component disposed within the scattering range of the first diffused light and the second diffused light, the focusing component being used to converge the first diffused light and the second diffused light to form an output light.

[0009] In some embodiments, the focusing component includes a connecting portion and a guiding portion that are connected to each other. The connecting portion is connected to the diffusion component, and the guiding portion is used to guide the output light.

[0010] In some embodiments, a connecting post is formed on the side of the connecting portion facing the diffusion component, a connecting hole is formed on the diffusion component, the connecting post passes through the connecting hole, and the connecting post protrudes from the diffusion component on the side away from the connecting portion.

[0011] In some embodiments, the light source component includes a circuit board and a plurality of lamps spaced apart from each other on the circuit board, with a light-emitting gap between each two adjacent lamps, the light-emitting gap being greater than 13 mm.

[0012] A third aspect of this application provides a vehicle light, including a front cover, a rear cover, and the aforementioned strip light. The front cover and the rear cover are connected and spliced ​​together to form a receiving cavity, and the strip light is disposed within the receiving cavity.

[0013] A third aspect of this application provides a vehicle, including a body and the aforementioned strip light or vehicle light, wherein the strip light or vehicle light is disposed on the body.

[0014] With the above technical solution, when the strip light is applied to vehicle lights, the first direction is horizontal and the second direction is vertical. After the light source component emits the original light, it is reflected by the reflector component to the diffuser component. The diffuser component diffuses the reflected light along the first and second directions. Since the first diffusion angle is greater than the second diffusion angle, the uniformity of the first diffused light in the first direction can be guaranteed. At the same time, the transmittance of the second diffused light in the second direction is also high enough to meet the requirements of vehicle light brightness. That is, it can simultaneously take into account the uniformity of the reflected light in the first direction and the brightness of the vehicle light.

[0015] Other features and advantages of the embodiments of this application will be described in detail in the following detailed description section. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the embodiments of this application and form part of the specification. They are used together with the following detailed description to explain the embodiments of this application, but do not constitute a limitation on the embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without any inventive effort. In the drawings:

[0017] Figure 1 This is a longitudinal cross-sectional view of the vehicle lamp of the present invention;

[0018] Figure 2 This is a longitudinal cross-sectional view of the vehicle headlights, where the arrows indicate the direction of the light rays;

[0019] Figure 3This is a schematic diagram of the structure of the diffusion component and the focusing component of the present invention in cooperation; and

[0020] Figure 4 for Figure 3 Sectional view of AA.

[0021] Explanation of reference numerals in the attached figures

[0022] 10. Light source component; 11. Circuit board; 12. Lamp element; 20. Reflecting component; 21. Reflecting surface; 30. Diffusing component; 31. Diffusing surface; 40. Focusing component; 41. Connecting part; 42. Guiding part; 411. Connecting post; 50. Front cover; 60. Rear cover. Detailed Implementation

[0023] The specific embodiments of this application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this application.

[0024] It should be noted that, in this application, unless otherwise stated, directional terms such as "upper" and "lower" generally refer to the orientation shown in the attached drawings. "Inner" and "outer" refer to the inner and outer contours of the corresponding components.

[0025] Please refer to Figures 1 to 4 This disclosure provides a strip light that extends along a first direction and includes: a light source component 10 for emitting original light; a reflective component 20 configured to reflect the original light emitted by the light source component 10 to form reflected light; and a diffusion component 30 disposed within the scattering range of the reflected light, the diffusion component 30 being configured to diffuse the reflected light along the first direction and the second direction into a first diffused light and a second diffused light, respectively, the diffusion component 30 having a first diffusion angle corresponding to the first direction and a second diffusion angle corresponding to the second direction, the first diffusion angle being greater than the second diffusion angle.

[0026] In this embodiment, when the strip light is applied to vehicle lights, the first direction can be horizontal, and the second direction can be vertical. The first diffusion angle corresponding to the first direction is greater than the second diffusion angle corresponding to the second direction. The diffusion angle is directly proportional to the uniformity of reflected light and inversely proportional to the transmittance of reflected light. That is, the larger the diffusion angle, the better the uniformity of reflected light, but the worse the transmittance; conversely, the smaller the diffusion angle, the worse the uniformity of reflected light, but the better the transmittance. Furthermore, since the size of the strip light in the first direction is much larger than that in the second direction, on the one hand, the uniformity of the first diffused light plays a decisive role in the overall light uniformity, while the uniformity of the second diffused light does not affect the overall uniformity of the strip light. Therefore, the uniformity of the first diffused light in the first direction is strong. On the other hand, the high transmittance of the second diffused light can improve the overall light brightness. Therefore, the transmittance of the second diffused light in the second direction is strong. In other words, by setting different diffusion angles in different directions, both the uniformity and brightness of the overall light are taken into account.

[0027] Specifically, the diffuser 30 is made of a polarizing material, which can be a polarizing film as described below, to achieve different transmittances in the first and second directions. If the transverse length of the strip light is greater than its longitudinal length, the first direction is transverse and the second direction is longitudinal; if the transverse length of the strip light is less than its longitudinal length, the first direction is longitudinal and the second direction is transverse.

[0028] Please refer to Figures 1 to 4 In some embodiments, the ratio of the first diffusion angle to the second diffusion angle is 5 to 7:1.

[0029] With the above settings, the ratio of the first diffusion angle to the second diffusion angle is set according to the size ratio of the strip light in the first direction and the second direction, so as to ensure that the first diffused light has sufficient uniformity and the second diffused light has sufficient transmittance at the same time.

[0030] Specifically, the ratio of the first diffusion angle to the second diffusion angle is preferably 6:1, for example, the first diffusion angle is 60° and the second diffusion angle is 10°.

[0031] Please refer to Figures 1 to 4 In some embodiments, the diffusion component 30 is formed as a polarizing film. The diffusion component 30 has a diffusion surface 31 on which micro-patterns extending in a first direction and in a second direction are formed, so as to form a first diffusion angle and a second diffusion angle through the micro-patterns.

[0032] In this embodiment, the diffusion component 30 achieves diffusion through the micro-patterns on its surface. The direction of the micro-patterns can achieve anisotropy of light transmittance in different directions. The micro-patterns are uneven structures formed on a plane, which are simple to manufacture.

[0033] Specifically, the diffusion component 30 is a diffusion film, which is lighter than the discrete materials in the prior art, and can reduce the overall weight of the strip light by 60%, making the strip light lightweight.

[0034] Please refer to Figures 1 to 4 In some embodiments, the reflective component 20 has an inclined reflective surface 21 located on the light-scattering path between the light source component 10 and the diffuser component 30.

[0035] In this embodiment, the light source component 10 and the diffusion surface 31 are disposed at different positions. In order to ensure that the reflective surface 21 is simultaneously located on the light-scattering path between the light source component 10 and the diffusion component 30, the reflective surface 21 is configured to be inclined. This allows the original light to be reflected by the reflective surface 21, and also allows the reflected light formed after reflection by the reflective surface 21 to be scattered to the diffusion surface 31. In addition, to ensure that all light reflected by the reflective surface 21 is diffused to the diffusion surface 31, the projection of the horizontal projection of the reflective surface 21 onto the diffusion surface 31 is entirely located on the diffusion surface 31.

[0036] Specifically, the light source component 10 and the diffuser component 30 are arranged perpendicularly. The light source component 10 is located below the reflective surface 21, and the diffuser component 30 is located on one side of the reflective surface 21. The reflective surface 21 is inclined upwards from the light source component 10 to the diffuser component 30. The reflective surface 21 is a concave arc surface. The reflective component 20 is a mirror, and its reflective surface 21 is formed by the mirror surface of the mirror.

[0037] Please refer to Figures 1 to 4 In some embodiments, the strip light also includes a focusing component 40, which is disposed within the scattering range of the first diffused light and the second diffused light. The focusing component 40 is used to converge the first diffused light and the second diffused light to form an output light.

[0038] In this embodiment, the reflected light after diffusion forms a first diffused light and a second diffused light along a first direction and a second direction, respectively. The focusing component 40 is used to converge the diffused light that diffuses along the two directions, limit the output path of the diffused light, and avoid excessive diffusion range leading to brightness loss.

[0039] Specifically, both the diffuser 30 and the focusing component 40 are made of transparent material so that light can pass through.

[0040] Please refer to Figures 1 to 4 In some embodiments, the focusing component 40 includes a connecting portion 41 and a guiding portion 42 connected to each other. The connecting portion 41 is connected to the diffusion component 30, and the guiding portion 42 is used to guide the output light.

[0041] In this embodiment, the interconnection between the focusing component 40 and the diffusing component 30 allows the first and second diffused light rays diffused by the diffusing component 30 to pass through the focusing component 40 and be converged by it. The connecting portion 41 is used to connect to the diffusing component 30, providing an installation position for the diffusing component 30. Additionally, the connecting portion 41 also serves to converge the first and second diffused light rays. The extending direction of the guiding portion 42 is the scattering direction of the output light, thus guiding the output light.

[0042] Specifically, both the connecting portion 41 and the guiding portion 42 are plate-shaped structures, perpendicular to each other. The guiding portion 42 is located on the side of the connecting portion 41 away from the diffuser 30, and in the middle of that side. The connecting portion 41 is vertically arranged, and the guiding portion 42 is horizontally arranged. The guiding portion 42 limits the output light to a horizontal direction, thus scattering the output light in a horizontal direction. The connecting portion 41 and the guiding portion 42 can be integrally formed, for example, by injection molding.

[0043] Please refer to Figures 1 to 4 In some embodiments, a connecting post 411 is formed on the side of the connecting portion 41 facing the diffusion member 30, a connecting hole is formed on the diffusion member 30, the connecting post 411 passes through the connecting hole, and the connecting post 411 protrudes from the diffusion member 30 on the side away from the connecting portion 41.

[0044] In this embodiment, the connecting part 41 and the diffusion component 30 are connected by a connecting post 411 passing through the connecting hole. The connection method is simple and the installation efficiency is high. At the same time, the cooperation between the connecting post 411 and the connecting hole can play a positioning role for the diffusion component 30, preventing the installation position of the diffusion component 30 from shifting.

[0045] Specifically, the connecting post 411 is formed into a frustum-shaped structure, with its small-area end face facing the connecting portion 41 and its large-area end face facing away from the connecting portion 41 and protruding from the diffuser member 30. The diameter of the connecting hole is greater than or equal to the diameter of the small-area end face of the connecting post 411 and less than the diameter of the large-area end face of the connecting post 411, so that the connecting post 411 can be inserted into the connecting hole. The horizontal dimension of the connecting post 411 protruding from the diffuser member 30 on the side facing away from the connecting portion 41 is 0.2 mm, so that this protruding part of the connecting post 411 can be flattened with a tool to fix the diffuser member 30 to the connecting portion 41.

[0046] The connecting part 41 and the connecting post 411 can be integrally formed, for example, integrally injection molded.

[0047] In other embodiments, the diffuser 30 can be connected to the focusing component 40 by in-mold injection molding, or it can be connected to the reflector 20 by hot stamping, or it can be ultrasonically welded to other surrounding components (such as a decorative frame) by adhesive.

[0048] Please refer to Figures 1 to 4 In some embodiments, the light source component 10 includes a circuit board 11 and a plurality of lamps 12 disposed on the circuit board 11 at intervals from each other, with a light emission gap between each two adjacent lamps 12, and the light emission gap being greater than 13 mm.

[0049] In this embodiment, due to the setting of the first diffusion angle and the second diffusion angle of the diffusion component 30, the original light emitted by the lamp element 12 can be fully or mostly formed into output light, that is, the original light is utilized to the maximum extent, while ensuring that the uniformity and brightness of the output light meet the requirements. Therefore, compared with the 10mm to 13mm light emission spacing of LED lights in the prior art strip car lights, the light emission spacing of the lamp element 12 in this disclosure can be greater than 13mm, that is, a light emission spacing greater than 13mm is sufficient to meet the requirements of uniformity and brightness of the output light, thereby reducing the number of lamp elements 12, thereby reducing power loss, saving energy, and reducing costs. When the strip light is applied to car lights, it can also improve the range.

[0050] The strip light of this disclosure was experimentally compared with the comparative example:

[0051] I. Experimental Materials

[0052] 1. Example: The strip light disclosed herein has a first direction of horizontal and a second direction of vertical, and the diffusion component 30 has a first diffusion angle of 60° and a second diffusion angle of 10°.

[0053] 2. Comparative Example: Based on the embodiment, the diffusion component 30 is replaced with a discrete material. The discrete material has the same diffusion angle in all directions, and the uniformity and brightness of the light passing through the discrete material cannot be achieved at the same time.

[0054] II. Experimental Requirements

[0055] The output light has the same brightness.

[0056] III. Experimental Results

[0057] In this embodiment, the light emission spacing of the lamp particles 12 is 20mm, while in the comparative example, the light emission spacing of the lamp particles 12 is 10mm to 13mm.

[0058] IV. Experimental Conclusions

[0059] In this embodiment, the number of lamp particles 12 is reduced by more than 30% compared to the number of lamp particles 12 in the comparative example.

[0060] Please refer to Figures 1 to 4 This disclosure also provides a vehicle light, including a front cover 50, a rear cover 60, and the aforementioned strip light. The front cover 50 and the rear cover 60 are connected and spliced ​​together to form a receiving cavity, and the strip light is disposed in the receiving cavity.

[0061] In this embodiment, the strip light of the vehicle headlight has all the technical solutions and effects of the above-mentioned strip light, which will not be repeated here.

[0062] Specifically, the front cover 50 is made of transparent material to allow light output to pass through.

[0063] This disclosure also provides a vehicle, including a body and the aforementioned strip light or vehicle light, wherein the strip light or vehicle light is disposed on the body.

[0064] In this embodiment, the vehicle's strip light or headlight has all the technical solutions and effects described above, which will not be repeated here.

[0065] In the description of this application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0066] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0067] In the description of this specification, references to terms such as "some embodiments" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0068] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A strip lamp, characterized in that The strip light extends along a first direction and includes: A light source component (10) is used to emit raw light; A reflective component (20), the reflective component (20) being configured to reflect the original light emitted by the light source component (10) to form reflected light; and A diffusion component (30) is disposed within the scattering range of the reflected light. The diffusion component (30) is used to diffuse the reflected light reflected by the reflection component (20) into a first diffused light and a second diffused light along the first direction and the second direction, respectively. The diffusion component (30) has a first diffusion angle corresponding to the first direction and a second diffusion angle corresponding to the second direction, wherein the first diffusion angle is greater than the second diffusion angle.

2. The bar lamp according to claim 1, characterized in that The ratio of the first diffusion angle to the second diffusion angle is 5 to 7:

1.

3. The bar lamp according to claim 2, characterized in that The diffusion component (30) is formed as a polarizing film. The diffusion component (30) has a diffusion surface (31). The diffusion surface (31) is formed with micro-patterns extending in the first direction and in the second direction, so as to form the first diffusion angle and the second diffusion angle through the micro-patterns.

4. The bar lamp according to claim 3, characterized in that The reflective component (20) has an inclined reflective surface (21) located on the light-scattering path between the light source component (10) and the diffuser component (30).

5. The bar lamp of claim 1, wherein, The strip light also includes a focusing component (40), which is disposed within the scattering range of the first diffused light and the second diffused light. The focusing component (40) is used to converge the first diffused light and the second diffused light to form an output light.

6. The bar lamp according to claim 5, characterized in that The focusing component (40) includes a connecting part (41) and a guiding part (42) that are connected to each other. The connecting part (41) is connected to the diffusion component (30), and the guiding part (42) is used to output the output light.

7. The bar lamp according to claim 6, characterized in that A connecting post (411) is formed on the side of the connecting part (41) facing the diffusion component (30). A connecting hole is formed on the diffusion component (30). The connecting post (411) passes through the connecting hole. The connecting post (411) protrudes from the diffusion component (30) on the side away from the connecting part (41).

8. The bar lamp according to any one of claims 1 to 7, characterized in that The light source component (10) includes a circuit board (11) and a plurality of lamps (12) spaced apart from each other on the circuit board (11), with a light-emitting gap between each two adjacent lamps (12), the light-emitting gap being greater than 13 mm.

9. A vehicle lamp characterized by The device includes a front cover (50), a rear shell (60), and a strip light according to any one of claims 1 to 8, wherein the front cover (50) and the rear shell (60) are connected and joined together to form a receiving cavity, and the strip light is disposed in the receiving cavity.

10. A vehicle characterized by comprising: The vehicle body includes a strip light according to any one of claims 1 to 8 or a vehicle light according to claim 9, wherein the strip light or the vehicle light is disposed on the vehicle body.

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