Optical assembly, automobile lighting module and automobile

Abstract

The utility model discloses an optical assembly, an automobile lighting module and an automobile, and relates to the technical field of automobile lighting. The optical assembly comprises a first optical element and a second optical element which emit light in the same direction, a first microstructure is arranged on the surface, facing the second optical element, of the first optical element, and a second microstructure is arranged on the surface, facing the first optical element, of the second optical element, and part of light incident from the light incident surface of the first optical element is incident from the second microstructure to the second optical element after being emergent from the first microstructure, and is emergent from the light emergent surface of the second optical element, so as to form and / or adjust the light shape of the region III. According to the optical assembly, the automobile lighting module and the automobile, the problem that the brightness, the width and other performance of an existing III area are poor can be solved, and the driving experience of a driver is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile lighting, in particular to an optical component, an automobile lighting module and an automobile. Background Art

[0002] With the development of concentrator technology, it is widely used in the field of low beam or high beam technology of automobile headlights. Among them, Zone III is an important part of low beam and an important part of lighting regulations. The lighting technology of Zone III of automobile headlights containing concentrators has also been innovated and developed to a certain extent. However, with the development of matrix headlights, the requirements for low beams are gradually increasing, especially for low beam Zone III. Since the lighting distribution of matrix headlights needs to be assessed according to AFS (Adaptive Front-lighting System) regulations, some low beam Zone III is not wide enough and needs to be combined with matrix headlights, which has a great impact on lighting regulations.

[0003] Common automotive lighting modules include a headlight concentrator (including a low beam concentrator and a high beam concentrator) and a lens provided with a lighting structure of zone III of the headlight. Among them, the lighting structure of zone III of the headlight includes a zone III light entrance part and a zone III light exit part arranged in sequence along the incident direction of the light. The zone III light entrance part is arranged on the light entrance surface of the lens and is composed of a row of light-transmitting sheets. The zone III light exit part is the light exit surface of the lens. The light forming zone III is incident from the zone III light entrance part, diffused by the zone III light entrance part, and finally emitted from the zone III light exit part, forming the zone III light shape of the corresponding headlight.

[0004] At present, the above-mentioned lighting structure of Zone III is widely used in automobile headlights. For the condenser headlights made of transparent materials, a Zone III light-transmitting sheet structure is generally made on the light-entering surface of the lens, and the light enters the light-transmitting sheet structure to form a light shape of Zone III. In the above-mentioned technology, since the lens is responsible for achieving basic optical performance and also needs to provide a Zone III structure, the fixedness of the lens and Zone III structure greatly affects the brightness, width and other performance of Zone III, affecting the driving experience of the driver. Utility Model Content

[0005] The purpose of the utility model is to provide an optical component, an automobile lighting module and an automobile, which can solve the problems of poor performance such as brightness and width of the existing III zone and improve the driving experience of the driver.

[0006] The embodiment of the utility model is achieved as follows:

[0007] In a first aspect of an embodiment of the utility model, an optical component is provided, including a first optical element and a second optical element that emit light in the same direction, wherein a first microstructure is provided on the surface of the first optical element facing the second optical element, and a second microstructure is provided on the surface of the second optical element facing the first optical element, wherein part of the light incident on the light incident surface of the first optical element is emitted from the first microstructure, then incident on the second optical element from the second microstructure, and is emitted from the light emitting surface of the second optical element, so as to form and / or adjust the light shape of zone III. The optical component can solve the problems of poor performance such as brightness and width of the existing zone III, and improve the driving experience of the driver.

[0008] As an implementable manner, the first microstructure forms a protrusion on a surface of the first optical element facing the second optical element.

[0009] As an implementable manner, the second microstructure forms a groove on a surface of the second optical element facing the first optical element.

[0010] As an implementable manner, the second microstructure includes a plurality of sub-grooves arranged along the light emitting direction.

[0011] As an implementable manner, the first optical element includes a first light-transmitting portion and a second light-transmitting portion in a horizontal direction of the formed light shape, and the first microstructure is located in the first light-transmitting portion or the second light-transmitting portion.

[0012] As an implementable manner, the second optical element includes a third light-transmitting portion and a fourth light-transmitting portion in the horizontal direction of the formed light shape, and the second microstructure is located at the third light-transmitting portion and the fourth light-transmitting portion.

[0013] As an implementable manner, the first optical element is a low-beam concentrator, and the second optical element is a high-beam concentrator.

[0014] The second aspect of the embodiment of the utility model provides an automobile lighting module, comprising a light source, a lens and the above optical assembly, wherein the lens is located in the light emitting direction of the first optical element and the second optical element. The optical assembly can solve the problem of poor performance such as brightness and width of the existing III zone, and improve the driving experience of the driver.

[0015] As an implementable manner, the lens is provided with a zone III lighting structure, wherein light incident from the second microstructure to the second optical element is emitted from a light emitting surface of the second optical element to the zone III lighting structure.

[0016] The third aspect of the embodiment of the utility model provides a car, comprising the above-mentioned car lighting module. The optical component can solve the problem of poor performance such as brightness and width of the existing III zone, and improve the driving experience of the driver.

[0017] The beneficial effects of the embodiments of the utility model include:

[0018] The optical component includes a first optical element and a second optical element that emit light in the same direction, wherein a first microstructure is arranged on the surface of the first optical element facing the second optical element, and a second microstructure is arranged on the surface of the second optical element facing the first optical element, wherein part of the light incident on the light incident surface of the first optical element is incident on the second microstructure after being emitted from the first microstructure, and is emitted from the light exiting surface of the second optical element to form and / or adjust the light shape of zone III. The present application performs microstructure design on the surface of the first optical element facing the second optical element and the surface of the second optical element facing the first optical element, respectively, so as to change the path of part of the light incident from the light incident surface of the first optical element, so that it can contribute to zone III, thereby improving the brightness, width and other performances of the light shape of zone III, thereby meeting the light distribution requirements of zone III of the matrix headlight, solving the problem of poor brightness, width and other performances of zone III in the prior art, and improving the driving experience of the driver. At the same time, the microstructure design is performed on the surface of the first optical element facing the second optical element and the surface of the second optical element facing the first optical element, which not only does not affect the light distribution requirements, but also can greatly reduce the design cost and cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the structure of a vehicle lamp lighting module provided by an embodiment of the utility model;

[0021] Figure 2 One of the structural schematic diagrams of the first optical element provided in an embodiment of the utility model;

[0022] Figure 3 A second structural schematic diagram of the first optical element provided in an embodiment of the utility model;

[0023] Figure 4 One of the structural schematic diagrams of the second optical element provided in the embodiment of the utility model;

[0024] Figure 5 A second structural schematic diagram of a second optical element provided in an embodiment of the utility model;

[0025] Figure 6 A schematic diagram of the structure of a lens provided in an embodiment of the utility model;

[0026] Figure 7 A schematic diagram of the light shape of a vehicle lamp lighting module provided in an embodiment of the utility model.

[0027] Icon: 010-automotive lighting module; 100-optical component; 10-first optical element; 101-first light-transmitting portion; 102-second light-transmitting portion; 11-first microstructure; L1-length of the inclined plane; 20-second optical element; 201-third light-transmitting portion; 202-fourth light-transmitting portion; 21-second microstructure; 211-first groove; 2111-first sub-groove; D1-length of the first sub-groove; D2-width of the first sub-groove; D3-two adjacent first sub-grooves ; D4-the distance between the right boundary of the first sub-groove and the edge line; D5-the distance between the lower boundary of the first sub-groove and the edge line; 212-the second groove; 2121-the second sub-groove; d1-the length of the second sub-groove; d2-the width of the second sub-groove; d3-the distance between two adjacent second sub-grooves; d4-the distance between the left boundary of the second sub-groove and the edge line; d5-the distance between the lower boundary of the second sub-groove and the edge line; 200-lens; 210-III zone lighting structure; 300-lens bracket. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply 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, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0032] In addition, the terms "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted. It should be further explained that if the light converges to the focus, it does not mean that it converges to the focus in the strict sense, but it can also be near the focus (<2mm). Similarly, the focus is set at the cutoff line structure, which includes both the focus being set on the cutoff line structure and the focus being set near the cutoff line structure.

[0033] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 a connection between 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.

[0034] Please refer to Figures 1 to 7 The embodiment of the present application provides an optical component 100, comprising a first optical element 10 and a second optical element 20 that emit light in the same direction, wherein the surface of the first optical element 10 facing the second optical element 20 is provided with a first microstructure 11, and the surface of the second optical element 20 facing the first optical element 10 is provided with a second microstructure 21, wherein part of the light incident on the light incident surface of the first optical element 10 is emitted from the first microstructure 11, then incident on the second optical element 20 from the second microstructure 21, and is emitted from the light emitting surface of the second optical element 20, so as to form and / or adjust the light shape of zone III. The optical component 100 can solve the problems of poor performance such as brightness and width of the existing zone III, and improve the driving experience of the driver.

[0035] It should be noted that if Figure 1 and Figure 7As shown, the optical assembly 100 includes a first optical element 10 and a second optical element 20, wherein the first optical element 10 and the second optical element 20 emit light in the same direction (for example, the direction where the lens 200 is located). For example, in this embodiment, the first optical element 10 and the second optical element 20 are arranged in sequence along the vertical direction, that is, the first optical element 10 is arranged above the second optical element 20. Of course, in other embodiments, the second optical element 20 and the first optical element 10 may also be arranged in sequence along the vertical direction, that is, the second optical element 20 is arranged above the first optical element 10. Regardless of the arrangement, it is only necessary to allow the light to enter through the light incident surface of the first optical element 10, then be emitted through the light emitting surface of the first optical element 10 to the light incident surface of the second optical element 20, and then be emitted through the light emitting surface of the second optical element 20 to the lens 200 of the automotive lighting module 010 for refraction and finally be emitted.

[0036] Since the matrix headlight light distribution needs to be assessed in accordance with the AFS regulations, and the light shape of Zone III formed at this time cannot meet the AFS regulations, in order to solve the above problem, Figures 1 to 5 , Figure 7 As shown, in the present application, a first microstructure 11 is provided on the surface of the first optical element 10 facing the second optical element 20, and a second microstructure 21 is provided on the surface of the second optical element 20 facing the first optical element 10, so that part of the light incident from the light incident surface of the first optical element 10 is emitted from the first microstructure 11, then enters the second optical element 20 from the second microstructure 21, and is emitted from the light exiting surface of the second optical element 20, so as to form and / or adjust the light shape of zone III.

[0037] Compared with the prior art that only sets the zone III lighting structure 210 on the light incident surface of the lens 200, the present application performs microstructure design on the surface of the first optical element 10 facing the second optical element 20 and the surface of the second optical element 20 facing the first optical element 10, respectively, so that the path of part of the light incident from the light incident surface of the first optical element 10 is changed, so that it can contribute to zone III, thereby improving the brightness, width and other performance of the light shape in zone III, thereby meeting the zone III light distribution requirements of the matrix headlight, solving the problems of poor brightness, width and other performance of the existing zone III, and improving the driver's driving experience. At the same time, performing microstructure design on the surface of the first optical element 10 facing the second optical element 20 and the surface of the second optical element 20 facing the first optical element 10, respectively, will not only not affect the light distribution requirements, but also can greatly reduce the design cost and cycle.

[0038] like Figures 1 to 3 , Figure 7As shown, as an implementable manner, the first microstructure 11 forms a protrusion on the surface of the first optical element 10 facing the second optical element 20, so that part of the light incident on the light incident surface of the first optical element 10 is emitted from the first microstructure 11 and then enters the second optical element 20. Figure 2 and Figure 3 As shown, the first optical element 10 includes a first light-transmitting portion 101 and a second light-transmitting portion 102 in the horizontal direction of the formed light shape, and the first microstructure 11 is located in the first light-transmitting portion 101 or the second light-transmitting portion 102 .

[0039] For example, in this embodiment, the first microstructure 11 is located in the first light-transmitting portion 101, and the first microstructure 11 is a projection with an inclined surface facing the second optical element 20, and the draft angle of the inclined surface ranges from 5 to 8°, for example, the draft angle of the inclined surface can be 5°, 6°, 7° or 8°, etc. By adjusting the draft angle of the inclined surface, the exit angle of the light emitted through the inclined surface can be controlled, so that the light emitted through the inclined surface can be emitted from the second microstructure 21 of the second optical element 20 into the second optical element 20.

[0040] like Figure 3 As shown, as an implementable manner, the length L1 of the inclined plane ranges from 24 to 27 mm, for example, the length L1 of the inclined plane can be 24 mm, 25 mm, 26 mm or 27 mm. By adjusting the length L1 of the inclined plane, the specific area of ​​the formed zone III light shape can be optimized. Those skilled in the art should be able to make reasonable selections and designs according to actual conditions, and no specific restrictions are made here.

[0041] like Figure 1 , Figure 4 , Figure 5 and Figure 7 As shown, as an implementable manner, the second microstructure 21 forms a groove on the surface of the second optical element 20 facing the first optical element 10, so that part of the light incident on the light incident surface of the first optical element 10 is incident from the second microstructure 21 to the second optical element 20 after being emitted from the first microstructure 11, and is emitted from the light emitting surface of the second optical element 20. Figure 4 and Figure 5 As shown, the second optical element 20 includes a third light-transmitting portion 201 and a fourth light-transmitting portion 202 in the horizontal direction of the formed light shape, and the second microstructure 21 is located in the third light-transmitting portion 201 and the fourth light-transmitting portion 202 .

[0042] For ease of description and understanding, the second microstructure 21 located in the third light-transmitting portion 201 and the fourth light-transmitting portion 202 are named differently here, the second microstructure 21 located in the third light-transmitting portion 201 is called the first groove 211, and the second microstructure 21 located in the fourth light-transmitting portion 202 is called the second groove 212. The first groove 211 located on the left side corresponds to the right shoulder of the light shape of zone III, and the second groove 212 located on the right side corresponds to the left shoulder of the light shape of zone III.

[0043] like Figure 1 , Figure 4 , Figure 5 and Figure 7 As shown, as an implementable manner, the second microstructure 21 includes a plurality of sub-grooves arranged along the light emitting direction. For example, in this embodiment, the first groove 211 includes two first sub-grooves 2111, and the two first sub-grooves 2111 are arranged at intervals along the light emitting direction, and the second groove 212 includes two second sub-grooves 2121, and the two second sub-grooves 2121 are arranged at intervals along the light emitting direction.

[0044] like Figure 5 As shown, as an implementable method, the length D1 of the first sub-groove ranges from 10 to 11 mm, the width D2 of the first sub-groove ranges from 1 to 2 mm, the distance D3 between two adjacent first sub-grooves ranges from 11.8 to 12.2 mm, the distance D4 of the right boundary of the first sub-groove from the edge line ranges from 10 to 11 mm, and the distance D5 of the lower boundary of the first sub-groove from the edge line ranges from 14.5 to 14.8 mm.

[0045] like Figure 5 As shown, as an implementable method, the length d1 of the second sub-groove ranges from 10 to 11 mm, the width d2 of the second sub-groove ranges from 2 to 3 mm, the spacing d3 between two adjacent second sub-grooves ranges from 10.8 to 11.2 mm, the spacing d4 of the left boundary of the second sub-groove from the edge line ranges from 8 to 9 mm, and the spacing d5 of the lower boundary of the second sub-groove from the edge line ranges from 13.5 to 13.8 mm.

[0046] It should be noted that, when assessing the left-turn regulations of AFS, the light shape of zone III needs to move a certain angle to the right of the direction the driver is facing. Therefore, the energy of the left shoulder of the light shape of zone III is lower, and the energy of the right shoulder of the light shape of zone III is higher. Since the first groove 211 on the left side corresponds to the right shoulder of the light shape of zone III, and the second groove 212 on the right side corresponds to the left shoulder of the light shape of zone III, when designing the structure of the second microstructure 21, the size of the first groove 211 on the left side is smaller, and the size of the second groove 212 on the right side is larger, so that less energy enters the first groove 211, and more energy enters the second groove 212, thereby allowing more energy to fill the left shoulder of the light shape of zone III.

[0047] As an implementable manner, the first optical element 10 is a low beam concentrator, and the second optical element 20 is a high beam concentrator. The first optical element 10 and the second optical element 20 can be formed of transparent plastic, silicone or glass, so that the light emitted by the light source can be emitted to the lens 200 through the optical component 100.

[0048] The embodiment of the present application also provides an automotive lighting module 010, including a light source, a lens 200 and the above-mentioned optical component 100, wherein the lens 200 is located in the light emitting direction of the first optical element 10 and the second optical element 20, so that part of the light incident from the light incident surface of the first optical element 10 is emitted from the first microstructure 11, then incident on the second optical element 20 from the second microstructure 21, and is emitted from the light emitting surface of the second optical element 20 to the lens 200.

[0049] Generally, the automobile lighting module 010 further includes a lens bracket 300, the lens 200 is mounted on the lens bracket 300, the optical assembly 100 is connected to the lens 200 through the lens bracket 300, and there is air between the optical assembly 100 and the lens 200. Since the structure and beneficial effects of the optical assembly 100 have been described in detail in the aforementioned embodiments, they will not be described in detail here.

[0050] As an implementable manner, the lens 200 is provided with a zone III lighting structure 210, wherein the light incident from the second microstructure 21 to the second optical element 20 is emitted from the light exit surface of the second optical element 20 to the zone III lighting structure 210, so that the zone III light shape can be formed and / or adjusted through the optical component 100, thereby solving the problem of poor performance of zone III such as brightness and width caused by the fixity of the lens and the zone III structure in the prior art.

[0051] The embodiment of the present application further provides a car, comprising the above-mentioned car lighting module 010. Since the structure and beneficial effects of the car lighting module 010 have been described in detail in the above-mentioned embodiment, they will not be described again here.

[0052] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0053] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

Claims

1. An optical component, characterized in that: It comprises a first optical element and a second optical element which emit light in the same direction, wherein a first microstructure is arranged on the surface of the first optical element facing the second optical element, and a second microstructure is arranged on the surface of the second optical element facing the first optical element, wherein part of the light incident on the light incident surface of the first optical element is emitted from the first microstructure, then incident on the second optical element from the second microstructure, and is emitted from the light emitting surface of the second optical element, so as to form and / or adjust the light shape of zone III.

2. The optical component according to claim 1, characterized in that The first microstructure forms a protrusion on a surface of the first optical element facing the second optical element.

3. The optical component according to claim 1, characterized in that The second microstructure forms a groove on a surface of the second optical element facing the first optical element.

4. The optical component according to claim 3, characterized in that The second microstructure includes a plurality of sub-grooves arranged along the light emitting direction.

5. The optical component according to claim 1, characterized in that The first optical element includes a first light-transmitting portion and a second light-transmitting portion in the horizontal direction of the formed light shape, and the first microstructure is located in the first light-transmitting portion or the second light-transmitting portion.

6. The optical component according to claim 1, characterized in that The second optical element includes a third light-transmitting portion and a fourth light-transmitting portion in the horizontal direction of the formed light shape, and the second microstructure is located at the third light-transmitting portion and the fourth light-transmitting portion.

7. The optical component according to any one of claims 1 to 6, characterized in that: The first optical element is a low-beam concentrator, and the second optical element is a high-beam concentrator.

8. An automotive lighting module, characterized in that: The optical component comprises a light source, a lens and any one of claims 1 to 7, wherein the lens is located in the light emitting direction of the first optical element and the second optical element.

9. The automotive lighting module according to claim 8, characterized in that: The lens is provided with a zone III lighting structure, wherein light incident from the second microstructure to the second optical element is emitted from the light emitting surface of the second optical element to the zone III lighting structure.

10. An automobile, characterized in that: Comprising the automotive lighting module as described in claim 8 or 9.

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