Light distribution device, license plate light for a motor vehicle, and motor vehicle

Abstract

The application discloses a light distribution device, a license plate lamp for a motor vehicle, and a motor vehicle. The light distribution device is used for adjusting a light beam of a license plate lamp for a motor vehicle, wherein the light distribution device has a first surface and a second surface opposite to each other, a first light distribution area and a non-light distribution area are arranged on the first surface, a plurality of light distribution protrusions are arranged in the first light distribution area, the light distribution protrusions are configured to deflect light, and the overall shape of the first light distribution area is arranged in a shape gradually widened from one end to the other end.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of light illumination, and in particular to a light distribution device, a license plate lamp for a motor vehicle, and a motor vehicle comprising the light distribution device or the license plate lamp. BACKGROUND

[0002] License plates of motor vehicles, such as license plates arranged at the front and rear of the motor vehicle, are important signs for distinguishing motor vehicles. In order to enable the license plates of the motor vehicle to be clearly seen to meet the requirements of traffic regulations, it is often necessary to provide a license plate lamp on the motor vehicle. The license plate lamp is usually located above the license plate to project illumination light onto the license plate so that each part of the license plate has sufficient brightness. However, since the license plate has a certain area, it is not easy to uniformly and efficiently illuminate each part of the license plate. SUMMARY

[0003] The purpose of the present application is to provide a light distribution device which can improve the uniformity of illumination of a license plate lamp on a license plate and improve optical efficiency.

[0004] The purpose of the present application is also to provide a license plate lamp for a motor vehicle and a motor vehicle comprising the above light distribution device or license plate lamp.

[0005] An embodiment of the present application provides a light distribution device for adjusting a light beam of a license plate lamp for a motor vehicle, wherein the light distribution device has a first surface and a second surface opposite to each other, a first light distribution region and a non-light distribution region are arranged on the first surface, a plurality of light distribution protrusions are arranged in the first light distribution region, the light distribution protrusions are configured to deflect light, and the overall shape of the first light distribution region is arranged in a shape gradually widening from a first end to a second end.

[0006] In an embodiment, the overall shape of the first light distribution region is a triangular or trapezoidal shape.

[0007] In an embodiment, the light distribution protrusions are provided with an inclined surface, in a first cross section perpendicular to the license plate and the second surface, the included angle between the inclined surface and the second surface widens towards the first end, and in a second cross section perpendicular to the first cross section and the second surface, the included angle between the inclined surface and the second surface widens towards the corresponding side of the light distribution device.

[0008] In an embodiment, the included angle between the inclined surface of the light distribution protrusions in the region close to the first end in the first light distribution region and the normal of the second surface is greater than the included angle between the inclined surface of the light distribution protrusions in the region close to the second end in the first light distribution region and the normal of the second surface.

[0009] In an embodiment, the angle between the inclined surface and the normal of the second surface is in the range of 30 degrees to 60 degrees.

[0010] In an embodiment, the plurality of light distribution protrusions are arranged in an array across the first light distribution region.

[0011] In an embodiment, the non-light distribution region is a planar region.

[0012] In an embodiment, the first light distribution region has an isosceles triangle or isosceles trapezoid shape.

[0013] In an embodiment, the light distribution device is integrally formed from a light-transmissive material.

[0014] In an embodiment, the first surface further has a second light distribution region arranged in central symmetry with the first light distribution region and without overlapping, and the structures in the second light distribution region are arranged in central symmetry with the structures in the first light distribution region with respect to the center of symmetry of the second light distribution region and the first light distribution region.

[0015] The present application provides a license plate light for a motor vehicle, comprising: at least one light source; and a light distribution device according to any of the above embodiments for adjusting a light beam emitted from the light source to form an illumination light directed towards a license plate of the motor vehicle, wherein the first surface of the light distribution device is arranged to face the light source.

[0016] In an embodiment, the light distribution protrusions in the first light distribution region are arranged to deflect a light beam passing through the light distribution protrusions towards a direction pointing from the second end to the first end.

[0017] In an embodiment, the first light distribution region is divided into a first sub-region and a second sub-region, and wherein the first sub-region is located at one side of the first light distribution region towards the first end and is arranged to receive a bright spot area of a light beam emitted from the light source and to disperse light in the bright spot area; the second sub-region is located at one side of the first light distribution region towards the second end and is arranged to at least partially deflect light in the light beam passing through the second sub-region towards a direction pointing from the second end to the first end.

[0018] In an embodiment, the first surface further has a second light distribution region located outside the first end of the first light distribution region and arranged to at least partially deflect light in a light beam passing through the second light distribution region towards a direction pointing from the first end of the first light distribution region to the second end.

[0019] In an embodiment, the first surface is further provided with a second light distribution area, the second light distribution area is arranged to be centrosymmetric to the first light distribution area and not overlapping, and the structures in the second light distribution area are arranged to be centrosymmetric to the structures in the first light distribution area with respect to the center of symmetry of the second light distribution area.

[0020] The present application provides a motor vehicle comprising the light distribution device according to any one of the above embodiments or the license plate lamp for a motor vehicle according to any one of the above embodiments.

[0021] At least one of the above technical solutions of the present application can weaken or eliminate the effect of the local light intensity of the license plate lamp being too high on the license plate and improve the optical efficiency by providing the light distribution device with the light distribution area gradually widening from the first end to the second end. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A schematic side view of a light distribution device according to an embodiment of the present application is shown;

[0023] Figure 2 A schematic top view of a light distribution device according to an embodiment of the present application is shown;

[0024] Figure 3 A schematic perspective view of a light distribution device according to an embodiment of the present application is shown;

[0025] Figure 4 A schematic view showing the deflection effect of the light distribution area of a light distribution device according to an embodiment of the present application on a light beam is shown;

[0026] Figure 5 A schematic view showing license plate lamp illumination according to an embodiment of the present application is shown;

[0027] Figure 6 Another schematic view showing license plate lamp illumination according to an embodiment of the present application is shown;

[0028] Figure 7 A schematic view showing license plate lamp illumination in the case where the light distribution device is not provided with a light distribution area is shown; and

[0029] Figure 8 Another schematic view showing license plate lamp illumination in the case where the light distribution device is not provided with a light distribution area is shown. DETAILED DESCRIPTION

[0030] The technical solution of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation thereof.

[0031] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details.

[0032] Figures 1 to 3 A light distribution device 100 according to an embodiment of the present invention is shown. This light distribution device 100 can be used in the license plate lights of motor vehicles to adjust the emitted beam of the license plate lights. Figure 1 As shown, the light distribution device 100 has a first surface 10 and a second surface 20 that are opposite to each other. As an example, the second surface 20 can be a flat surface. A light distribution region (such as a first light distribution region 11) and a non-light distribution region 12 can be provided on the first surface 10. A plurality of light distribution protrusions 13 can be provided in the first light distribution region 11 for adjusting and distributing the light intensity passing through the first light distribution region 11. The light distribution protrusions 13 can be configured to deflect light. The non-light distribution region 12 can be, for example, a planar region. In embodiments of the invention, such as... Figure 2 and Figure 3 As shown, the first light distribution region 11 has a trapezoidal shape. Similarly, the first light distribution region 11 can also have a triangular shape. This shape of the first light distribution region 11 is most advantageous for preventing the main energy of the light beam from being concentrated in a local area on the license plate, thus avoiding uneven light intensity and improving optical efficiency. In embodiments of the present invention, the overall shape of the first light distribution region 11 can be configured to gradually widen from the first end 17 to the second end 18, and is not limited to a triangular or trapezoidal shape; for example, it can be a similar shape (such as a truncated triangle).

[0033] To better illustrate the technical effects of the embodiments of the present invention, this specification provides the effect on the light beam assuming that the first light distribution region 11 is not provided on the light distribution device 100' (e.g. Figure 7 and Figure 8 As shown) and the effect of the light distribution device with the first light distribution area 11 on the light beam (such as Figure 5 and Figure 6 A comparison (as shown). From Figure 7 and Figure 8 As can be seen, when the light distribution device 100' does not have a light distribution area, the energy of the light beam illuminating the license plate 30 is concentrated in a local area of ​​the license plate (e.g., the upper part of the license plate), such as...Figure 8 The area bounded by points A1, A2, A3, A4, A5, and A6. This may cause uneven brightness on the license plate. And from... Figure 5 and Figure 6 As can be seen, due to the effect of the first light distribution area 11, the energy of the light beam passing through the light distribution device 100 is distributed over a larger illumination area on the license plate 30, thus making the light intensity distribution on the license plate 30 more uniform.

[0034] As an example, the first light distribution region 11 can be divided into a first sub-region 111 and a second sub-region 112. For example... Figure 2 As shown, the portion below the dashed line x (i.e., the side facing the first end 17 (the narrower end, such as the top of a triangle or trapezoidal shape) of the first light distribution region 11) is the first sub-region 111, and the portion above the dashed line x (i.e., the side facing the second end 18 (the wider end, such as the bottom of a triangle or trapezoidal shape) of the first light distribution region 11) is the second sub-region 112. The first sub-region 111 can be arranged to receive the bright spot area of ​​the light beam emitted from the light source. Typically, the light intensity distribution in the cross-section of the light beam emitted from the light source is not ideal; there is often a region in the cross-section of the beam where the energy is most concentrated, i.e., the bright spot area, while the energy in the region surrounding this bright spot area is relatively weak. This bright spot area is most likely to cause the illumination intensity of the license plate light on the license plate to be too concentrated, resulting in uneven light intensity. As an example, the shape and area of ​​the first sub-region 111 can be approximately the same as the bright spot area of ​​the light beam emitted from the light source. Assuming that there is no first light distribution area 11 on the light distribution device 100', the portion of the light beam passing through the area corresponding to the first sub-area 111 will illuminate the license plate 30. Figure 8 The high-brightness area shown is bounded by points A1, A2, A3, A4, A5, and A6. In an embodiment of the invention, due to the light distribution protrusion of the first light distribution region 11, the portion of the light beam whose energy is concentrated after passing through the first sub-region 111 will be dispersed to a larger area on the license plate 30, such as... Figure 5 and Figure 6 As shown. The light distribution protrusions in the second sub-region 112 can be arranged to at least partially direct the light passing through the second sub-region 112 in a direction from the first end 17 of the first light distribution region 11 to the second end 18 (e.g., from the bottom center of the triangle or trapezoidal shape to the top center of the triangle or trapezoidal shape). Figure 2(In the direction shown by y) deflection. In the absence of a light distribution protrusion in the second sub-region 112, light passing through the second sub-region may fall outside the license plate 30. However, due to the deflection effect of the light distribution protrusion in the second sub-region 112 on the light beam, the light passing through the second sub-region 112 can at least partially fall onto the license plate 30, thereby increasing the proportion of light energy illuminating the license plate 30 and improving optical efficiency.

[0035] In an embodiment of the present invention, the shape of the first light distribution region 11, which gradually widens from the first end 17 to the second end 18 (such as a triangular or trapezoidal shape), helps the energy-concentrated part of the light beam to spread more smoothly during the process of shining on the license plate, thereby improving the illumination uniformity on the license plate.

[0036] In one example, the top of the light distribution protrusion 13 may be provided with an inclined surface 14. Figure 4 The effect of the inclined surface 14 on light deflection is illustrated. The inclined directions of the inclined surfaces 14 of each light-distributing protrusion 13 can be the same or different. Their inclined directions can be selected based on factors such as the distance and orientation of the light-distributing device relative to the license plate 30, according to actual light distribution needs. It should be noted that the light deflection effect of the light-distributing protrusion 13 can be achieved through either refraction or reflection by the inclined surface 14.

[0037] As an example, such as Figure 1 As shown, the angle α between the inclined surface 14 of the light-distributing protrusion 13 in the region near the first end 17 of the first light-distributing region 11 and the normal of the second surface 20 is greater than the angle β between the inclined surface 14 of the light-distributing protrusion 13 in the region near the second end 18 of the first light-distributing region 11 and the normal of the second surface 20. This allows the portion of the light beam directed towards the region near the second end 18 of the first light-distributing region 11 to be deflected at a larger angle to more fully utilize the light beam at the far end of the light-distributing device to illuminate the license plate. However, embodiments of the present invention are not limited to this; the direction of the inclined surface can be set according to actual needs. For example, the angle α between the inclined surface 14 of the light-distributing protrusion 13 in the region near the first end 17 of the first light-distributing region 11 and the normal of the second surface 20 can also be smaller than the angle β between the inclined surface 14 of the light-distributing protrusion 13 in the region near the second end 18 of the first light-distributing region 11 and the normal of the second surface 20.

[0038] As an example, the angle between the inclined surface 14 of the light-distributing protrusion 13 and the normal of the second surface 20 can be in the range of 30 degrees to 60 degrees, which helps to improve the light deflection effect. However, embodiments of the present invention are not limited to this. For example, the inclined surface 14 of the light-distributing protrusion 13 can be selected at any angle greater than 0 degrees and less than 90 degrees, such as in the range of 20 degrees to 70 degrees, 40 degrees to 50 degrees, etc.

[0039] As an example, the inclined surface 14 of the light-distributing protrusion 13 can be arranged to deflect all or part of the light in the beam passing through the first light-distributing region 11 in a direction from the second end 18 to the first end 17 (as shown by y in the figure). This is beneficial for improving optical efficiency.

[0040] As an example, the light-distributing protrusion 13 may cover the first light-distributing region 11. In one example, the non-light-distributing region 12 may be a planar region. However, the planar region described herein does not mean that the non-light-distributing region 12 must be absolutely flat; for example, the non-light-distributing region 12 may have textures much smaller than the light-distributing protrusion 13 (e.g., the height of the texture is 1 / 5 to 1 / 10 of the height of the light-distributing protrusion 13) for scattering light. As an example, the light-distributing device 100 may be integrally formed from a light-transmitting material such as resin, plastic, or glass. This simplifies the process and saves costs. As an example, the light-distributing device 100 may be, for example, a plate-like structure or a disk-like structure, etc. For example, as Figure 2 As shown, the light distribution device 100 according to an embodiment of the present invention can be in the shape of a generally rectangular thin plate, and the second end of the first light distribution region 11 (such as the base of a triangle) can be disposed close to one side of the light distribution device 100. In one example, the long side of the light distribution device 100 can be 15 mm to 100 mm long, such as about 40 mm long, the short side can be 7 mm to 50 mm long, such as about 18 mm long, and the thickness can be 1 mm to 6 mm, such as about 2 mm. However, the embodiments of the present invention are not limited to this, and the overall shape of the light distribution device 100 can be designed according to actual needs, as long as the first light distribution region 11 and / or the second light distribution region 16 can be arranged thereon.

[0041] As an example, the first light distribution area 11 may have an isosceles triangle or an isosceles trapezoid shape. The apex and base angles of the isosceles triangle or isosceles trapezoid may be determined, for example, by the light spot illuminating the license plate, the distance and orientation of the light distribution device 100 relative to the license plate 30. For example, the apex angle of the isosceles triangle may be between 60 degrees and 150 degrees, such as 106 degrees. As another example, the base angle of the longer base of the isosceles trapezoid may be between 15 degrees and 60 degrees, such as 36 degrees.

[0042] In one example, a second light-distributing region 16 may also be provided on the first surface 10, the second light-distributing region 16 being located outside the first end 17 of the first light-distributing region 11. The second light-distributing region 16 may be arranged to at least partially direct light passing through the second light-distributing region 16 in a direction from the first end 17 of the first light-distributing region 11 to the second end 18 (e.g., Figure 2The light is deflected in the direction indicated by y'. This second light distribution region 16 is similar to the second sub-region 112 in the first light distribution region 11, and can deflect a portion of the light that originally illuminated outside the license plate 30 back to the license plate 30 to further improve optical efficiency.

[0043] As an example, the second light distribution region 16 can be arranged symmetrically with the first light distribution region 11 and without overlapping. For example, the center of symmetry between the second light distribution region 16 and the first light distribution region 11 is O. Figure 2 As shown. Furthermore, not only is the second light distribution region 16 centrally symmetrical with the first light distribution region 11, but the structures (including the light distribution protrusions) in the second light distribution region 16 are also arranged centrally symmetrical with respect to the center of symmetry O as are the structures (including the light distribution protrusions) in the first light distribution region 11. Central symmetry means that when the light distribution device 100 rotates 180 degrees around the center of symmetry O, the positions of the second light distribution region 16 and the first light distribution region 11 are interchanged, but the structure remains unchanged. The first light distribution region 11 can completely replace the first light distribution region 11 to achieve the aforementioned light distribution function. This improves the interchangeability of the light distribution device 100 and the license plate light on which it is installed. This is beneficial for the installation and manufacture of both the light distribution device 100 and the license plate light. For example, when two license plate lights need to illuminate symmetrically, if the light distribution device 100 in the license plate light is not centrally symmetrical as described above, the installation direction needs to be considered; otherwise, the desired lighting effect may not be achieved. For example, when installing license plate lights for the front and rear license plate plates of motor vehicles, license plate lights with a light distribution device 100 that is not centrally symmetrical as described above may also present specific installation orientation issues. If the installation orientation is inconsistent, in practice, it often leads to the need to manufacture two different components to meet the system requirements, resulting in increased manufacturing costs. However, by using a light distribution device 100 with a centrally symmetrical first and second light distribution area as described above, the license plate light can achieve essentially the same light intensity distribution whether rotated by 0 degrees or 180 degrees, thus eliminating the need to consider the installation orientation. This avoids unnecessary installation and manufacturing costs.

[0044] Although the light distribution device has been described in the above embodiments with the second light distribution region 16 and the first light distribution region 11 being centrally symmetrical, those skilled in the art should understand that the embodiments of the present invention are not limited thereto. For example, the second light distribution region 16 and the first light distribution region 11 can also be configured to be non-centrally symmetrical, or even completely asymmetrical.

[0045] Embodiments of the present application also provide a license plate lamp for a motor vehicle. The license plate lamp comprises at least one light source 40 and a light distribution device 100 as described in any of the above embodiments. The light distribution device 100 is configured to adjust a light beam emitted from the light source 40 to form an illumination light directed towards a license plate 30 of the motor vehicle. In order to achieve the adjusting effect of the light distribution device 100 on the light beam, the first light distribution area 11 of the light distribution device 100 needs to be arranged towards the light source 40, i.e. the first surface 10 of the light distribution device 100 is arranged to face the light source 40.

[0046] As previously described, due to the effect of the light distribution protrusions 13 in the first light distribution area 11 and / or the second light distribution area 16 of the light distribution device 100, the light beam of the license plate lamp can be uniformly and efficiently irradiated onto the license plate 30.

[0047] As an example, the light distribution protrusions 13 in the first light distribution area 11 can be arranged to deflect the light beam passing through the light distribution protrusions 13 towards a direction pointing from the second end 18 to the first end 17, i.e. the y direction. This can direct more light towards the license plate 30 to improve optical efficiency.

[0048] The distance of the light distribution device 100 from the license plate 30 can be determined according to actual needs. In an example, the height h (along a direction parallel to the license plate 30) of the center of the second surface of the light distribution device 100 relative to the upper edge of the license plate 30 can be about 31 mm, while the vertical distance d of the center of the second surface of the light distribution device 100 to the plane on which the license plate 30 is located can be about 28 mm. However, embodiments of the present application are not limited thereto, and one skilled in the art can determine the distance and direction of the light distribution device 100 relative to the license plate 30 according to actual needs.

[0049] In the drawings of the present application, light rays are represented by lines with solid arrows. In Figure 6 and Figure 8 The circular portions in Figs. 1-3 only represent exemplary areas on the license plate, and do not represent any specific structure on the license plate 30.

[0050] Although not shown in the drawings, one skilled in the art should understand that, as an example, the license plate lamp can also comprise a lamp housing for accommodating the light source 40 and the light distribution device 100, and components for supporting and fixing the light source 40 and the light distribution device 100.

[0051] As an example, the light source 40 in the license plate lamp according to embodiments of the present application can be an LED light source, but the present application is not limited thereto, and various other light sources known in the art for illumination can also be used.

[0052] The embodiments of the present application also provide a motor vehicle comprising the light distribution device according to any one of the above examples or the license plate lamp for motor vehicle according to any one of the above examples. In the motor vehicle, the license plate lamp can be used independently or in combination. For example, one license plate of the motor vehicle can be illuminated by one license plate lamp, or can be illuminated by two or more license plate lamps. As an example, multiple license plate lamps with the same structure can also be used to illuminate more than one license plate (e.g. front license plate and rear license plate) of the motor vehicle respectively. Although the license plate lamp is shown to be located above the license plate of the motor vehicle in the drawings, this is merely illustrative. As an example, the license plate lamp can be located at any side of the license plate of the motor vehicle, such as below, beside, even in the corner of the license plate of the motor vehicle, etc.

[0053] Although the present application has been described in conjunction with the preferred embodiments thereof, it is to be understood that equivalent changes and modifications can be made by those skilled in the art and that such changes and modifications are to be included within the spirit and scope of the present application as defined by the appended claims.

[0054] Although some embodiments of the present general inventive concept have been described and shown, it is to be understood that those skilled in the art can freely combine these embodiments with any other embodiments of the present general inventive concept, insofar as such do not depart from the principles and spirit of the present general inventive concept, the scope of the present general inventive concept being defined by the claims and their equivalents.

Claims

1. A light distribution device (100) for adjusting a light beam of a license plate light of a license plate (30) for a motor vehicle, wherein The light distribution device (100) has a first surface (10) facing a light source and a second surface (20) opposite to the first surface (10), a first light distribution area (11) and a non-light distribution area (12) are provided on the first surface (10), a plurality of light distribution protrusions (13) are arranged in the first light distribution area (11), the light distribution protrusions (13) are configured to fold light, the overall shape of the first light distribution area (11) is arranged to gradually widen from a first end (17) to a second end (18), the first end (17) is farther away from the license plate than the second end (18), Wherein the first light distribution area (11) is divided into a first sub-area (111) and a second sub-area (112), and wherein the first sub-area (111) is located on one side of the first light distribution area (11) towards the first end (17) and is arranged to receive a bright spot area of a light beam emitted from the light source (40), the second sub-area (112) is located on one side of the first light distribution area (11) towards the second end (18), the first sub-area (111) is arranged to disperse light in the bright spot area, and the second sub-area (112) is arranged to at least partially fold light in the light beam passing through the second sub-area (112) towards a direction from the second end (18) to the first end (17).

2. The light distribution device (100) according to claim 1, wherein The overall shape of the first light distribution area (11) is triangular or trapezoidal.

3. The light distribution device (100) according to claim 1, wherein The light distribution protrusions (13) are provided with inclined surfaces (14), in a first cross section perpendicular to the license plate and the second surface (20), the included angle between the inclined surface (14) and the second surface (20) opens towards the first end (17), and in a second cross section perpendicular to the first cross section and the second surface (20), the included angle between the inclined surface (14) and the second surface (20) opens towards the corresponding side of the light distribution device (100).

4. The light distribution device (100) according to claim 3, wherein The included angle between the inclined surface (14) of the light distribution protrusion (13) in the region near the first end (17) in the first light distribution area (11) and the normal of the second surface (20) is greater than the included angle between the inclined surface (14) of the light distribution protrusion (13) in the region near the second end (18) in the first light distribution area (11) and the normal of the second surface (20).

5. The light distribution device (100) according to claim 3, wherein The included angle between the inclined surface (14) and the normal of the second surface (20) is in the range of 30 degrees to 60 degrees.

6. The light distribution device (100) according to claim 3, wherein The plurality of light distribution protrusions (13) are arranged in an array in the first light distribution area (11).

7. The light distribution device (100) according to claim 1, wherein The non-light distribution area (12) is a planar area.

8. The light distribution device (100) according to any one of claims 1 to 7, wherein The first light distribution area (11) has an isosceles triangular or isosceles trapezoidal shape.

9. The light distribution device (100) according to any one of claims 1 to 7, wherein The light distribution device (100) is integrally formed of a light-transmitting material.

10. The light distribution device (100) according to any one of claims 1 to 7, wherein The first surface (10) further comprises a second light distribution area (16) arranged centrosymmetrically and non-overlapping to the first light distribution area (11), and the structures in the second light distribution area (16) are arranged centrosymmetrically to the structures in the first light distribution area (11) with respect to the symmetry center of the second light distribution area (16) and the first light distribution area (11).

11. A license plate light for a motor vehicle, comprising: at least one light source (40); and a light distribution device (100) according to any one of claims 1 to 9 for adjusting a light beam emitted from the light source (40) to form an illumination light directed to a license plate (30) of the motor vehicle, wherein the first surface (10) of the light distribution device (100) is arranged facing the light source.

12. A license plate light for a motor vehicle according to claim 11, wherein, The light distribution protrusions (13) in the first light distribution area (11) are arranged to deflect a light beam passing through the light distribution protrusions (13) towards a direction pointing from the second end (18) to the first end (17).

13. The license plate light for a motor vehicle of claim 11, wherein, The first surface (10) further comprises a second light distribution area (16) arranged at least partially deflecting light passing through the second light distribution area (16) in a light beam towards a direction pointing from the first end (17) to the second end (18) of the first light distribution area (11).

14. A registration plate light for a motor vehicle according to claim 13, wherein, The second light distribution area (16) is arranged centrosymmetrically and non-overlapping to the first light distribution area (11), and the structures in the second light distribution area (16) are arranged centrosymmetrically to the structures in the first light distribution area (11) with respect to the symmetry center of the second light distribution area (16) and the first light distribution area (11).

15. A motor vehicle comprising a light distribution device (100) according to any one of claims 1 to 10 or a license plate light for a motor vehicle according to any one of claims 11-14.

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