Optical system, vehicle lamp and vehicle

Abstract

The invention discloses an optical system, a vehicle lamp and a vehicle, and belongs to the technical field of vehicles, the optical system comprises a lens group, the lens group comprises a plurality of lens units, and the lens units are distributed in a linear mode; and the light source group comprises a plurality of light source parts, the plurality of light source parts correspond to the plurality of lens units respectively, and light rays of the plurality of light source parts form combined light spots after passing through the corresponding lens units. According to the optical system provided by the embodiment of the invention, the lens group and the light source group are matched to form the combined light spot, the structure is simple, and miniaturization and modeling design of the optical system are facilitated.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to an optical system, a vehicle lamp and a vehicle. Background Art

[0002] According to the light distribution method, low beam lamps can be divided into reflector type and lens projection type. The lens projection type low beam lamp mainly includes LED light source, reflector cup, shading sheet and lens. In traditional low beam lamps, the light path is changed by using lenses, so that the emitted light has sufficient illumination width to meet the light requirements in the process of automobile lighting. However, traditional low beam lamps need to use larger lenses to meet the requirement that the light emitted by the low beam lamp has sufficient illumination width, resulting in a larger size of low beam lamps and occupying a larger space in the vehicle. Summary of the invention

[0003] An object of the present application is to provide an optical system, a vehicle lamp and a vehicle.

[0004] According to an embodiment of the present application, the optical system includes: a lens group, the lens group includes a plurality of lens units, and the plurality of lens units are distributed along a line; a light source group, the light source group includes a plurality of light source components, the plurality of light source components correspond to the plurality of lens units respectively, and the light rays of the plurality of light source components form a combined light spot after passing through the corresponding lens units.

[0005] According to the optical system of the embodiment of the present application, a combined light spot is formed by the cooperation of a lens group and a light source group, which has a simple structure and is conducive to the miniaturization and shape design of the optical system.

[0006] In addition, the optical system according to the above embodiment of the present application may also have the following additional technical features:

[0007] In some embodiments, the line type includes a combination of at least one or more of a straight line type, an arc line type, a broken line type, a single-loop line type, and a multi-loop line type.

[0008] In some embodiments, each of the light source components is opposite to one of the lens units along the optical axis direction of the lens group; and / or, the multiple light source components are opposite to the multiple lens units one by one; and / or, the light-emitting portion of the light source component is arranged on the focal plane of the corresponding lens unit.

[0009] In some embodiments, the light spots formed by adjacent light sources after passing through the corresponding lens units intersect or at least partially overlap, and the light spots formed by the multiple light sources after passing through the corresponding lens units are combined into the combined light spot.

[0010] In some embodiments, adjacent lens units are in contact or have a gap; or, the plurality of lens units are continuously distributed along the line; or, the plurality of lens units are constructed as an integral structure; or at least two of the plurality of lens units are constructed as separate structures.

[0011] In some embodiments, the light-emitting parts of the multiple light sources are distributed on a first plane; or, the multiple lens units are distributed on a second plane; or, the light-emitting parts of the multiple light sources are located on a focal plane of the lens group.

[0012] In some embodiments, the radial dimensions, focal lengths or refractive powers of the multiple lens units are the same; or, the radial dimensions of at least two of the multiple lens units are different; or, the focal lengths of at least two of the multiple lens units are different; or, the refractive powers of at least two of the multiple lens units are different.

[0013] In some embodiments, the angle between the first side edge and the second side edge of the light beam between the lens group and the combined light spot along the horizontal direction is greater than or equal to 35°, and the angle between the third side edge and the fourth side edge along the up and down direction is greater than or equal to 10°.

[0014] In some embodiments, the lens unit is a glass lens or a plastic lens; or, the light incident surface of the lens unit is configured as a plane, a spherical surface, an aspherical surface or a free surface; or, the light exit surface of the lens unit is configured as a spherical surface, an aspherical surface or a free surface; or, the light incident surface of the lens unit is configured as an aspherical surface with a cone coefficient in the range of -100 to 100; or, the light exit surface of the lens unit is configured as an aspherical surface with a cone system in the range of -100 to 100.

[0015] In some embodiments, the thickness of the optical system is not greater than 10 mm; or the thickness of the optical system is not greater than 9 mm; or the thickness of the optical system is not greater than 8.5 mm, or not greater than 8 mm; or the thickness of the optical system is not greater than 7.5 mm, or not greater than 7 mm.

[0016] In some embodiments, the light source is a Lambertian light source; the light source is an LED light source or a laser light source.

[0017] In some embodiments, the width dimension s of the light emitting surface of the light source, the field angle 2α of the light of the light source after passing through the corresponding lens unit, and the focal length f of the lens group satisfy f=s / tanα; and / or the number n of the light sources satisfies n≥E / E1, where E is the illuminance value required by regulations, and E1 is the illuminance value of a single light source after passing through the corresponding lens.

[0018] The vehicle lamp according to the embodiment of the present application includes the aforementioned optical system.

[0019] In some embodiments, the vehicle light is a low beam light.

[0020] The vehicle according to the embodiment of the present application includes the aforementioned vehicle light; or includes the aforementioned optical system. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of an optical system according to an embodiment of the present application.

[0022] Figure 2 It is a three-dimensional schematic diagram of an optical system according to an embodiment of the present application.

[0023] Figure 3 It is a schematic diagram of an optical system according to an embodiment of the present application.

[0024] Figure 4 It is a schematic diagram of a light source component and a lens unit according to an embodiment of the present application.

[0025] Figure 5 It is a schematic diagram of an optical system and a combined light spot generated by it according to an embodiment of the present application.

[0026] Figure 6 It is a schematic diagram of the light propagation path of an embodiment of the present application.

[0027] Reference numerals: optical system 10 , lens unit 11 , light source 12 , optical unit 101 , combined light spot 102 . DETAILED DESCRIPTION

[0028] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0029] Combination Figures 1 to 5 According to the optical system 10 of the embodiment of the present application, it includes a lens group, the lens group includes a plurality of lens units 11, and the plurality of lens units 11 are distributed in a linear shape, wherein the linear shape can be set to include at least one of a straight line type, an arc type, a broken line type, a single-loop linear shape, and a multi-loop linear shape, etc., and the linear shape can also be a combination of a plurality of straight lines, arc types, broken lines, single-loop linear shapes, and multi-loop linear shapes, etc. For example, the linear shape is a straight line type, an arc type, a broken line type, a single-loop linear shape, or a multi-loop linear shape, etc.; or, the linear shape is a linear shape formed by connecting straight line segments and arc segments; or, the linear shape is a linear shape formed by combining straight line segments and arc segments separated from each other, etc. Of course, the linear shape in the present application can also be in other forms.

[0030] In addition, the optical system 10 also includes a light source group, which includes a plurality of light source components 12, and the plurality of light source components 12 correspond to the plurality of lens units 11 respectively, and the light of the plurality of light source components 12 forms a combined light spot 102 after passing through the corresponding lens unit 11. For example, each light source component 12 is opposite to a lens unit 11 along the optical axis direction of the lens group; or, the plurality of light source components 12 are opposite to the plurality of lens units 11 one by one; or one light source component 12 is opposite to the plurality of lens units 11 along the optical axis direction; or the plurality of light source components 12 are opposite to one lens unit 11 along the optical axis direction, etc. Among them, the light emitted by the light source component 12 can be directed to the corresponding lens unit 11, and is emitted from the lens after passing through the corresponding lens unit 11, and the light emitted by the light source component 12 will form a light spot after passing through the corresponding lens unit 11, and the light spots of the light emitted by the plurality of light source components 12 after passing through the lens group are combined to form a combined light spot 102.

[0031] According to the optical system 10 of the embodiment of the present application, a combined light spot 102 is formed by combining multiple light source elements 12 and multiple lens units 11. The multiple lens units 11 can be designed along a preset line to meet different needs.

[0032] The optical system 10 of the present application is optimized in structure, and the reflective bowl and cutoff line structures in the related art can be eliminated. By using the combination mode of multiple light source components 12 corresponding to multiple lens units 11, the light spots generated by the light of multiple light source components 12 passing through the corresponding lens units 11 are combined to form a combined light spot 102, which can meet the lighting requirements of the optical system 10 and facilitate the design of the optical system 10. In addition, optionally, in the present application, multiple light source components 12 and multiple lens units 11 are set in a one-to-one correspondence. In other words, combined Figures 1 to 3 The light source 12 and the corresponding lens unit 11 are combined to form an optical unit 101. Multiple optical units 101 can realize any shape design, and by setting the multiple optical units 101 to be independently controlled, the combined light spot 102 required by regulations can be freely realized.

[0033] In addition, the present application optimizes the structure of the optical system 10, eliminating the focusing lens, and the shape can be designed according to demand. The structure of the independently controlled light source group and lens group provides a large design space for the shape.

[0034] In some embodiments of the present application, the light emitting portion of the light source 12 is disposed on the focal plane of the corresponding lens unit 11. The light source 12 can project light having a specific angle (which can be 0°) with the optical axis through the lens unit 11, thereby forming a light spot. This can improve the quality of the generated combined light spot 102.

[0035] Optionally, the light spots formed by adjacent light source elements 12 after passing through corresponding lens units intersect or at least partially overlap, and the light spots formed by multiple light source elements 12 after passing through corresponding lens units 11 are combined into a combined light spot 102. In this way, the light spots generated by multiple light source elements 12 can be combined to form a whole, and the light-dark cutoff line of the combined light spot 102 is set at the periphery of the combined light spot 102, so as to avoid generating an obvious light-dark cutoff line inside the combined light spot 102, thereby optimizing the molding quality of the combined light spot 102.

[0036] In some embodiments, adjacent lens units 11 are in contact with each other, so as to form a complete combined light spot 102 and avoid forming gaps between adjacent combined light spots 102. In addition, adjacent lens units 11 may be arranged to have gaps, so that when light passes through the lens units 11, the imaging quality of the combined light spot 102 can be improved under the refraction of the lens units 11, and the mutual influence of adjacent lens units 11 can be avoided. In addition, by providing gaps between adjacent lens units 11, it is possible to facilitate the assembly and installation of the lens group and reduce the processing difficulty of the optical system 10.

[0037] In addition, multiple lens units 11 can also be distributed continuously along the line, that is, every two adjacent lens units 11 are in contact with each other in the extension direction of the line; in addition, multiple lens units 11 can also be arranged to be distributed discontinuously along the line, that is, in the extension direction of the line, there are at least two adjacent lens units 11 separated.

[0038] Optionally, the multiple lens units 11 in the present application are constructed into an integrated structure. In addition, at least two of the multiple lens units 11 can also be constructed into separate structures. Taking the long strip lens unit 11 as an example, the multiple lens units 11 can be set into an integrated long strip structure to simplify the processing and generation of the lens group; in addition, the multiple lens units 11 can also be set in a form in which any two lens units 11 are independent of each other; the multiple lens units 11 can also be set to include multiple sections, and each section is provided with at least one lens unit 11. Among the multiple lens units 11 in the integrated structure, the adjacent lens units 11 can be separated from each other and connected by connecting pieces; the adjacent lens units 11 can also be contacted and connected, etc.

[0039] Optionally, the light-emitting parts of the multiple light source elements 12 are distributed on the first plane, so as to facilitate the installation of the multiple light source elements 12 and facilitate the light of the multiple light source elements 12 to be emitted to the lens group in a relatively straight direction. In addition, the multiple lens units 11 can be distributed on the second plane. The light-emitting parts of the multiple light source elements 12 can also be located on the focal plane of the lens group. Among them, the light-emitting parts of the multiple light source elements 12 can be arranged on the first plane, and the multiple lens units 11 can be arranged on the second plane, and the first plane and the second plane are parallel, wherein the distance between the first plane and the second plane can be set as the focal length of the lens group.

[0040] In addition, the multiple light source elements 12 in the present application may not be arranged on the same plane, and the multiple lens units 11 may not be arranged on the same bright surface.

[0041] In some embodiments, the radial dimensions of the plurality of lens units 11 are the same; or, the radial dimensions of at least two of the plurality of lens units 11 are different. The focal lengths of the plurality of lens units 11 are the same; or, the focal lengths of at least two of the plurality of lens units 11 are different. The refractive power of the plurality of lens units 11 is the same; or, the refractive power of at least two of the plurality of lens units 11 is different. Wherein, the multi-lens units 11 can be designed separately to meet different modeling requirements. In addition, the plurality of lens units 11 can include a first unit and a second unit, and the plurality of light source components 12 include a first light source and a second light source, the first light source is opposite to the first unit, and the second light source is connected to the second unit, wherein the first light source is arranged at the focal plane of the first unit, and the second light source is arranged at the focal plane of the second unit; or, the first light source is arranged at the focal plane of the first unit, and the second light source is not arranged at the focal plane of the second unit; or, the first light source is not arranged at the focal plane of the first unit, and the second light source is not arranged at the focal plane of the second unit. In addition, the first unit and the second unit can be arranged at the same plane; or, the first unit and the second unit can be arranged at different planes. As for the first light source and the second light source, the first light source and the second light source may be disposed on the same plane; or, the first light source and the second light source may be disposed on different planes.

[0042] Among them, the angle between the first side edge and the second side edge of the light beam between the lens group and the combined light spot 102 along the horizontal direction is greater than or equal to 35°, and the angle between the third side edge and the fourth side edge along the vertical direction is greater than or equal to 10°. Thus, the lighting of the optical system 10 can be optimized, and when it is applied to a vehicle, the safety of night driving can be improved.

[0043] In some embodiments, the lens unit 11 is a glass lens or a plastic lens. The light incident surface of the lens unit 11 is configured as a plane, a spherical surface, an aspherical surface, or a free surface. The light exiting surface of the lens unit 11 is configured as a spherical surface, an aspherical surface, or a free surface. The light incident surface of the lens unit 11 is configured as an aspherical surface with a cone coefficient in the range of -100 to 100. The light exiting surface of the lens unit 11 is configured as an aspherical surface with a cone system in the range of -100 to 100.

[0044] In the lens group of the present application, the material of the lens group can be glass or plastic. The combination of the two surfaces of the lens unit 11 can be a combination of a first surface (close to the light source 12, or called the light incident surface) being a plane and a second surface (far away from the light source 12, or called the light exit surface) being a spherical surface, an aspherical surface or a free-form surface, or a combination of a first surface (close to the light source 12) being a spherical surface, an aspherical surface or a free-form surface and a second surface (far away from the light source 12) being a spherical surface, an aspherical surface or a free-form surface. However, for the surface of the aspherical surface, its cone coefficient is generally set between -100 and 100 for ease of production and processing. When selecting materials, relatively high materials are used for the refractive index and Abbe number of the material, which can achieve a better effect of eliminating dispersion. Since the multiple light sources 12 and the multiple lens units 11 are in a one-to-one correspondence, the multiple lens units 11 are also in the same plane. All lens units 11 have the same size, but the arrangement method can achieve any shape that meets the regulatory requirements according to the requirements of the modeling. At the same time, since the light source 12 is located on the plane of the lens, it has the same arrangement method as the microlens.

[0045] In some embodiments, the thickness of the optical system 10 is not greater than 10 mm; or the thickness of the optical system 10 is not greater than 9 mm; or the thickness of the optical system 10 is not greater than 8.5 mm, or not greater than 8 mm; or the thickness of the optical system 10 is not greater than 7.5 mm, or not greater than 7 mm. Among them, the thickness of the optical system 10 in the present application can be set to include but not limited to 10 mm, 9.6 mm, 9 mm, 8.1 mm, 7 mm, 6 mm or 5.4 mm, etc. Through the above setting, it is beneficial to reduce the overall size of the optical system 10, so that the optical system 10 is easy to arrange, and the practicality of the optical system 10 is improved. In addition, the thickness of the optical system 10 in the present application can be set to the sum of the gap size between the light-emitting part of the light source 12 and the lens unit 11 along the optical axis direction of the lens group, the size of the light-emitting part of the light source 12 along the optical axis direction of the lens group, and the thickness size of the lens unit 11 along the optical axis direction of the lens group.

[0046] The size of the optical system 10 of the present application can be set to be less than or equal to 10 mm, which is less than 20% of the system size in the related art. In addition, the present application sets multiple light source components 12 and multiple lens units 11 in a one-to-one form, and can independently control each area. Not only is the structure simplified, so it can achieve the purpose of any design, but also ensures the light output efficiency of the entire module. The present application innovates the structural design and abandons the traditional focusing lens. The independent operation of each unit can achieve any shape, and the process is simple, which provides great design possibilities for the shape of future cars.

[0047] The light source 12 in the present application can be set as a white light source 12 that complies with the regulations of CIE, wherein the light source 12 can be an LED light source 12 or a laser light source 12, with any shape that complies with the regulations. Each light source 12 corresponds to a lens unit 11 to achieve a combined light spot 102 that complies with regulatory requirements.

[0048] like Figure 6 In this application, the width dimension s of the light emitting surface of the light source 12, the field angle 2α of the light of the light source 12 after passing through the corresponding lens unit 11, and the focal length f of the lens group satisfy f=s / tanα, so as to meet the lighting requirements.

[0049] In addition, since our light source components 12 and lens units 11 are relatively small, each light source component 12 and lens unit 11 is only responsible for a part of the angle, and there will be differences in the arrangement method. Relative to the optical axis displacement of the lens unit 11, for different numbers of light source components 12 and microlenses, the arrangement method is also different. The specifications of the light source component 12 and the combined light spot required by regulations determine its arrangement method. The light source components 12 and the microlens array can be arranged according to the number of light source components 12 units required for each required angle direction, and the direction of the light source component 12 relative to the optical axis offset of the microlens, and the number of required light sources 12 and microlenses can be obtained by the following formula. The number n of light source components 12 satisfies, n≥E / E1, where E is the illuminance value required by regulations, and E1 is the illuminance value of a single light source component 12 after passing through the corresponding lens. So that the brightness requirements of the combined light spot 102 can be met by the combination of multiple light source components 12 and multiple lens units 11.

[0050] The light source group in this application meets the national standard CIE chromaticity requirements, and the light source element 12 used can be a Lambertian light source element 12, which can be an LED array or a laser light source element 12 array. The light source group can be arranged to be located on the same plane. The arrangement of the light source elements 12 is not arranged according to certain rules in the traditional form. The light source elements 12 can be designed to match the shape requirements. One light source element 12 corresponds to one lens unit 11. In order to achieve the purpose of collimated projection, the light-emitting surface of the light source element 12 is designed to be placed on the focal plane of the lens group.

[0051] In combination with the above, the optical system 10 of the present application may include an array structure of multiple light source components 12 and an array structure of multiple lens units 11. The light source components 12 correspond to the lens units 11 one by one, but are not arranged in a traditional periodic manner. They can be arbitrarily designed according to requirements and in compliance with regulations, so as to facilitate a more aesthetically pleasing design. The thickness of the optical system 10 of the present application is less than 20% of the traditional optical structure, and the focusing lens in the related technology is abandoned. The optical structure has been greatly optimized, and the space for the design has also been increased. It is not necessary to be constrained by the shape requirements, and a headlight that is more in line with aesthetic concepts can be manufactured.

[0052] The vehicle lamp according to the embodiment of the present application includes the aforementioned optical system 10, which facilitates the modeling design of the vehicle lamp, satisfies the lighting requirements of the vehicle lamp, and optimizes the performance of the vehicle lamp.

[0053] In addition, the vehicle lights in the present application may be low beam lights, ambient lights, hazard warning lights or high beam lights, etc.

[0054] The vehicle according to the embodiment of the present application includes the aforementioned vehicle light; or includes the aforementioned optical system.

[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0056] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0057] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0058] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0059] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. An optical system, characterized in that: include: A lens group, wherein the lens group includes a plurality of lens units, and the plurality of lens units are distributed in a linear manner; A light source group, wherein the light source group includes a plurality of light source components, wherein the plurality of light source components correspond to the plurality of lens units respectively, and light from the plurality of light source components forms a combined light spot after passing through the corresponding lens units.

2. The optical system according to claim 1, characterized in that The line type includes a combination of at least one or more of a straight line type, an arc line type, a broken line type, a single-loop line type and a multi-loop line type.

3. The optical system according to claim 1, characterized in that Each of the light sources is opposite to one of the lens units along the optical axis direction of the lens group; and / or, the multiple light sources are opposite to the multiple lens units one by one; and / or, the light-emitting portion of the light source is arranged on the focal plane of the corresponding lens unit.

4. The optical system according to claim 1, characterized in that The light spots formed by the adjacent light source elements after passing through the corresponding lens units intersect or at least partially overlap, and the light spots formed by the multiple light source elements after passing through the corresponding lens units are combined into the combined light spot.

5. The optical system according to claim 1, characterized in that Adjacent lens units are in contact or have gaps; or, the plurality of lens units are continuously distributed along the line; or, the plurality of lens units are constructed into an integral structure; or at least two of the plurality of lens units are constructed into separate structures.

6. The optical system according to claim 1, characterized in that The light emitting parts of the plurality of light source elements are distributed on a first plane; or, the plurality of lens units are distributed on a second plane; or, the light emitting parts of the plurality of light source elements are located on a focal plane of the lens group.

7. The optical system according to claim 1, characterized in that The radial dimensions, focal lengths or refractive powers of the multiple lens units are the same; or, the radial dimensions of at least two of the multiple lens units are different; or, the focal lengths of at least two of the multiple lens units are different; or, the refractive powers of at least two of the multiple lens units are different.

8. The optical system according to claim 1, characterized in that The light beam between the lens group and the combined light spot has an included angle between the first side edge and the second side edge in the horizontal direction greater than or equal to 35°, and an included angle between the third side edge and the fourth side edge in the up and down direction greater than or equal to 10°.

9. The optical system according to claim 1, characterized in that The lens unit is a glass lens or a plastic lens; or, the light incident surface of the lens unit is configured as a plane, a spherical surface, an aspherical surface or a free surface; or, the light exit surface of the lens unit is configured as a spherical surface, an aspherical surface or a free surface; or, the light incident surface of the lens unit is configured as an aspherical surface with a cone coefficient in the range of -100 to 100; or, the light exit surface of the lens unit is configured as an aspherical surface with a cone system in the range of -100 to 100.

10. The optical system according to any one of claims 1 to 9, characterized in that: The thickness of the optical system is not greater than 10 mm; or The thickness of the optical system is not greater than 9 mm; or The thickness of the optical system is not greater than 8.5 mm, or not greater than 8 mm; or The thickness of the optical system is no greater than 7.5 mm, or no greater than 7 mm.

11. The optical system according to claim 1, characterized in that The light source component is a Lambertian light source component; the light source component is an LED light source component or a laser light source component.

12. The optical system according to claim 1, characterized in that The width dimension s of the light-emitting surface of the light source, the field angle 2α of the light of the light source after passing through the corresponding lens unit, and the focal length f of the lens group satisfy f=s / tanα; and / or the number n of the light sources satisfies, n≥E / E1, where E is the illuminance value required by regulations, and E1 is the illuminance value of a single light source after passing through the corresponding lens.

13. A vehicle lamp, characterized in that: An optical system comprising any one of claims 1-12.

14. The vehicle lamp according to claim 13, characterized in that: The vehicle light is a low beam light.

15. A vehicle, characterized in that: The vehicle lamp comprising the vehicle lamp according to claim 13 or 14; or the optical system comprising the optical system according to claims 1-12.

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