WO2022121490A1

WO2022121490A1 - Low beam optical element, vehicle lamp module, vehicle lighting device and vehicle

Info

Publication number: WO2022121490A1
Application number: PCT/CN2021/122893
Authority: WO
Inventors: 李应; 陈向前; 陈兆禹; 陈子维; 沈进; 祝贺; 桑文慧
Original assignee: 华域视觉科技(上海)有限公司
Priority date: 2020-12-09
Filing date: 2021-10-09
Publication date: 2022-06-16
Also published as: CN113418172A

Abstract

A vehicle lamp module, a vehicle lighting device, and a vehicle. The vehicle lamp module comprises a low beam optical element comprising a plurality of low beam optical units arranged in parallel and sequentially provided with a light incident portion (1), a light passing portion (2) and a light emitting portion (3). The light emitting portions (3) on the low beam optical units are integrally connected, the lower part of the light passing portion (2) or the lower part of the connecting part of the light incident portion (1) is provided with a groove structure (21). The groove structure (21) comprises two side surfaces and a top surface, the side surface close to the light incident portion (1) being a III-region light emitting surface (213), and the side surface facing away from the light incident portion (1) being a III-region light incident surface (214). A junction between the top surface and the III-region light incident surface (214) is a low beam cut-off portion (212). At least one of the two side surfaces is provided with a dimming structure (211). Light can be converged through the light incident portion (1) to the III-region light emitting surface (213) and emitted out, and then is incident into the light passing portion (2) through the III-region light incident surface (214) and is guided to the light emitting portions (3) and emitted out, so as to form a III-region light shape. The low beam optical element can form an ultra-wide III-region light shape.

Description

A low beam optical element, a vehicle lamp module, a vehicle lighting device and a vehicle

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the benefit of Chinese patent application 202011451457.6 filed on December 9, 2020, the contents of which are incorporated herein by reference.

technical field

The present invention relates to a vehicle lamp, in particular, to a low beam optical element. In addition, the present invention also relates to a vehicle lamp module, a vehicle lighting device and a vehicle.

Background technique

With the rapid development of highway traffic modernization and high density, the number of vehicles is also increasing, and the motor vehicle lighting regulations have also put forward higher requirements for the design of the low beam shape of the headlamp. It is an important part of the low beam shape. It is located above the low beam cut-off line. It mainly illuminates objects located above the road, such as signs set on the road, so that the driver can clearly obtain road information.

AFS (Adaptive Frontlighting System) can dynamically adjust the headlights according to the steering wheel angle, vehicle yaw rate and driving speed, keep the light direction consistent with the current driving direction of the car, and ensure the best road ahead. Lighting to provide the driver with the best visibility, thus significantly enhancing the safety of driving at night. In order to realize the III-zone lighting under the vehicle AFS function, it is necessary to design a sufficiently wide III-zone light shape to meet the regulatory requirements that the expansion of the III-zone light shape of the low beam needs to be more than 30°.

In the prior art, the light-shape lighting module of zone III, or the widening width of the light-shape of zone III that can be formed is too small, and it is difficult to meet the requirements of the widening width of light-shape of zone III required to realize AFS stipulated by relevant regulations; and Or it can form the broadening width of the light shape in zone III that meets the requirements of relevant regulations, but its structure is extremely complex and bulky, which is not conducive to installation and maintenance, and the manufacturing cost is high.

In view of this, it is necessary to design a low beam optical element.

SUMMARY OF THE INVENTION

The technical problem to be solved by the first aspect of the present invention is to provide a low-beam optical element, which has a simple structure and a small volume, and can form an ultra-wide light shape in zone III.

In addition, the problem to be solved by the present invention is to provide a vehicle lamp module, which can form an ultra-wide zone III light shape that meets the requirements of relevant laws and regulations, and can also form an inflection point light shape, which can improve the visibility of the right road and the right side. Lighting effects above the road.

Further, the problem to be solved by the present invention is to provide a vehicle lighting device, which has a simple structure, and can precisely control the light intensity of the inner part of the formed light shape of zone III, and can prevent the lights on vehicles traveling in the opposite direction. Dazzling drivers or pedestrians.

Further, the problem to be solved by the present invention is to provide a vehicle, which has an ultra-wide zone III light shape, which can expand the driver's field of vision and improve the safety of driving at night.

In order to solve the above technical problems, one aspect of the present invention provides a low-beam optical element, which includes a plurality of low-beam optical units arranged in parallel, and the low-beam optical units are sequentially provided with a light incident portion, a light passing portion and a light exiting direction along the light exit direction. Light emitting part, the light emitting parts on each of the low-beam optical units are connected into one; A groove structure extending in the width direction of the part, the groove structure includes two side surfaces and a top surface, and the side of the two side surfaces close to the light incident part is formed as a III-zone light exit surface. The side away from the light incident portion in the side surface is formed as the light incident surface of the III region, the connection between the top surface and the light incident surface of the III region is formed as a near-beam cut-off portion, and the III region light exit surface and the III region are formed. At least one of the light incident surfaces in the area is provided with a dimming structure, and the light emitted from the light incident portion to the light exit surface of the III area is emitted to the light incident surface of the III area through the light exit surface of the III area, so as to It can enter into the light passing portion through the light incident surface of the III region, and can be guided to the light exit portion through the light passing portion to be emitted, so as to form the light shape of the III region.

Specifically, the light emitting surfaces of the plurality of light emitting parts connected into one body are set as smooth curved surfaces.

Preferably, the light incident portion, the light passing portion and the light exit portion are integrally formed.

Further preferably, a plurality of the low beam optical units are integrally formed.

Specifically, the light incident portion and the light passing portion are integrally formed, and are integrally arranged with the light exit portion, and the light exit portion includes a light entrance surface of the light exit portion and a light exit surface of the light exit portion.

More specifically, the low-beam cut-off portion is set so that the light emitted from the low-beam optical element forms a low-beam inflection point cut-off line, and the light incident surface of the light exit portion is a convex curved surface.

More specifically, the light incident portion is a condensing cup structure.

Preferably, the size in the up-down direction of the light-emitting surface of the III zone is 0.8 mm-1.2 mm.

Specifically, the dimming structure includes a plurality of dimming units arranged horizontally in parallel, and the dimming units include a curved dimming unit, a flat dimming unit, a bump dimming unit, a stripe dimming unit and a pattern dimming unit , and the dimming structure includes one or more of a curved dimming unit, a flat dimming unit, a bump dimming unit, a stripe dimming unit and a pattern dimming unit.

Another aspect of the present invention further provides a vehicle lamp module, comprising a light source and a plurality of low beam optical elements according to any one of the above technical solutions, the light source and the incident light of each of the low beam optical units One-to-one correspondence.

Further, the present invention also provides a vehicle lighting device, which includes the vehicle lamp module according to any one of the above technical solutions.

Further, the present invention also provides a vehicle, which includes the vehicle lighting device according to any one of the above technical solutions.

Through the above technical solutions, in the low-beam optical element provided by the first aspect of the present invention, each low-beam optical unit in the low-beam optical unit is slotted at the lower part of the light-passing part or the junction of the light-passing part and the light-incident part, so that the light-passing part is A part of the light collected by the light incident part can enter the light passage part through the refraction of the light exit surface of the III area and the light entrance surface of the III area in the groove structure, and be guided to the light exit part through the light passage part to be emitted to form the light shape of the III area. , so that the low-beam optical unit has a simple structure and small volume; the low-beam optical element arranges a plurality of low-beam optical units laterally side by side, so that the light shapes emitted by each low-beam optical unit can be superimposed on each other to meet the relevant regulations. The ultra-wide light shape of zone III; at least one of the light-emitting surface of zone III and the light-incident surface of zone III is provided with a dimming structure, and the dimming structure can be composed of dimming units of different structural forms according to certain requirements. Therefore, when the light passes through the dimming structure, the dimming structure can further adjust the refraction direction of part of the light, so that the brightness of the partial region in the finally formed III light shape is darker, and the III region light shape is realized. The brightness of different areas in the interior can be precisely controlled, so as to effectively avoid dazzling drivers on the opposite vehicles or pedestrians on the road, and improve the safety of driving at night.

Since the vehicle lamp module provided by the second aspect of the present invention has the above-mentioned low beam optical element, it also has all the functions and advantages of the low beam optical element.

The vehicle lighting device provided by the third aspect of the present invention has the above-mentioned vehicle lamp module, so it has a simple structure, is easy to install, and can precisely control the brightness and darkness of different areas in the ultra-wide zone III light shape. It avoids dazzling the driver on the opposite vehicle or the pedestrian on the road, and can greatly improve the safety of driving at night.

In the vehicle provided by the fourth aspect of the present invention, the vehicle lighting device of the vehicle can provide an ultra-wide zone III light shape, so the vehicle has an ultra-wide zone III light shape, which can expand the driver's field of vision and improve the safety of driving at night. sex.

Other advantages of the present invention and the technical effects of the preferred embodiments will be further described in the following specific embodiments.

Description of drawings

1 is a side view and a schematic diagram of an optical path of an embodiment of a low-beam optical unit in a low-beam optical element of the present invention;

2 is a bottom view of an embodiment of a low beam optical unit in the low beam optical element of the present invention;

3 is a three-dimensional structural view of an embodiment of a low-beam optical unit in the low-beam optical element of the present invention;

Fig. 4 is a partial enlarged view of a dimming structure in area A in Fig. 3;

5 is an isometric diagram of the light shape formed by the low-beam optical unit in the low-beam optical element of the present invention using the dimming structure in FIG. 4;

FIG. 6 is a partial enlarged view of another dimming structure in the area A in FIG. 3;

Fig. 7 is the iso-illuminance diagram of the light shape formed by the low beam optical unit in the low beam optical element of the present invention using the dimming structure in Fig. 6;

8 is a bottom view of an embodiment of the vehicle lamp module of the present invention;

9 is a schematic three-dimensional structural diagram of an embodiment of the vehicle lamp module of the present invention;

10 is an isometric view of a light shape formed by an embodiment of the vehicle lamp module of the present invention;

11 is a schematic three-dimensional structural diagram of another embodiment of a low-beam optical unit in the low-beam optical element of the present invention;

12 is a side view and a schematic diagram of an optical path of another embodiment of a low-beam optical unit in the low-beam optical element of the present invention;

13 is a bottom view of another embodiment of the low beam optical unit in the low beam optical element of the present invention;

14 is a schematic diagram of a preferred structure of the groove structure of the low beam optical unit in the low beam optical element of the present invention.

Description of reference numerals

1-Light entrance part 2-Light pass part

21-groove structure 211-dimming structure

2111-dimming unit 212-low beam cut-off part

213-III area light shape light exit surface 214-III area light shape light entrance surface

3-Light-emitting part 31-Light-emitting part light-incident surface

32-Light-emitting surface of the light-emitting part 4-Light source

Detailed ways

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

First of all, it should be noted that the following azimuths are based on the low-beam optical components installed on the vehicle and the vehicle as the reference frame. The front and rear directions are the vehicle length directions, the left and right directions are the vehicle width directions, and the up and down directions are the vehicle height. Direction; in Figure 5, Figure 7 and Figure 10, the units of the abscissa and the ordinate are degrees (angles), and the abscissa indicates the left and right directions, where the negative direction is left, and the positive direction is right; the ordinate indicates the up and down direction, where the negative The direction is down, and the positive direction is up; the B50L measuring point corresponds to the driver's eye position on the oncoming vehicle 50 meters in front of the left; The low-beam module is a vehicle lamp module that can form a complete low-beam light shape, and the main low-beam module is a vehicle lamp module that can form a low-beam central area light shape, and the low-beam central area light shape has a low-beam inflection point. Cut-off line, the auxiliary low beam module is a car lamp module that can form the light shape of the low beam widening area. The light shape has a low beam inflection point cutoff line, and the low beam widening area light shape has a low beam horizontal cutoff line.

As an embodiment of the low-beam optical element provided in the first aspect of the present invention, it includes a plurality of low-beam optical units arranged in parallel, and the low-beam optical units are sequentially provided with a light incident portion 1 and a light passage portion along the light exit direction. 2 and the light-emitting part 3, the light-emitting parts 3 on each of the low-beam optical units are connected as a whole; The groove structure 21 extending in the width direction of One side of the light part 1 is formed as the light incident surface 214 in the III area; the connection between the top surface and the light incident surface 214 in the III area is formed as a low beam cut-off part 212, and at least one of the light exit surface 213 in the III area and the light incident surface 214 in the III area is formed. There is a dimming structure 211 on it, and the light emitted from the light incident part 1 to the light exit surface 213 of the area III is emitted to the light entrance surface 214 of the area III through the light exit surface 213 of the area III, so as to be able to pass through the light entrance surface 214 of the area III. The light part 2 can be guided to the light exit part 3 through the light passing part 2 to be emitted, so as to form the light shape of zone III.

Each low-beam optical unit in the low-beam optical element of the present invention is formed by grooving the lower part of the respective light-passing part 2 or the lower part of the connection between the light-passing part 2 and the light-incident part 1, so that the light-passing part can pass through the light-entering part. 1. A part of the collected light can enter the light-transmitting part 2 through the refraction of the light-shaped light-emitting surface 213 of the III region and the light-shaped light-incident surface 214 of the III region in the groove structure, and be guided to the light-emitting part 3 through the light-transmitting part 2 to be projected to the near. In the light III area, another part of the light collected by the light incident part 1 is directly emitted from the light passing part to the light output part 3, and under the action of the low beam cutoff part 212, the light output part 3 is projected to the area below the low beam cutoff line. Each low-beam optical unit has a simple structure and small volume; the low-beam optical element arranges a plurality of low-beam optical units laterally side by side, so that the light shapes emitted by each low-beam optical unit can be superimposed on each other to form a belt that meets the requirements of relevant regulations. There is a low beam light shape with an ultra-wide zone III light shape; at the same time, the light output parts 3 of each low beam optical unit are connected as a whole, which can meet the modeling requirements of the narrow and long light outlet of the car lamp, and each low beam optical unit has The light is projected to the area of zone III, so that when people stand in front of the lamp and observe the lamp, all light enters the human eye, which optimizes the overall lighting effect of the lamp and improves the visual effect; At least one of the 214 is provided with a dimming structure 211, and the dimming structure 211 can be composed of dimming units of different structural forms according to certain requirements, so that when the light passes through the dimming structure 211, the dimming structure 211 can be adjusted. The refraction direction of part of the light is further adjusted, so that the brightness of some areas in the finally formed III light shape is darker, and the brightness of different areas in the III light shape can be accurately controlled, which can effectively It avoids dazzling the driver on the opposite vehicle or the pedestrian on the road, and improves the safety of driving at night; in addition, the depth of the low beam cut-off portion 212, that is, the groove depth of the groove structure 21, is preferably a low beam optical This preferred design can ensure that the light-passing portion 2 at the slot has sufficient thickness to maintain sufficient structural strength, so that the slot of the light-passing portion 2 is not easily broken.

Specifically, as shown in FIG. 8 and FIG. 9 , as a preferred embodiment of the low beam optical element of the present invention, the light emitting surfaces of the plurality of light emitting parts 3 that are integrated into one body are set as smooth curved surfaces to meet the requirements of vehicle lights. modeling needs.

Preferably, as shown in FIG. 3 , as a preferred embodiment of the low beam optical element of the present invention, the light incident portion 1 , the light passing portion 2 and the light exit portion 3 are integrally formed. On the one hand, the integrated design can make the low beam optical element compact and small in size, and compared with the split design, the integrated design can facilitate the installation and fixation of the low beam optical element; on the other hand, the integrated design makes the low beam optical element easier Optical elements have higher structural strength.

Further, as shown in FIG. 9 , a plurality of low beam optical units are integrally formed, that is, the light passing portion 2 and the light entrance portion of each low beam optical unit are also connected into one, the structure is compact, and the installation is convenient and quick. The light-shaped light-emitting surfaces 213 of zone III on the low-beam optical unit can be smoothly connected; the light-shaped light-incident surfaces 214 of zone III on each low-beam optical unit can be smoothly connected; the integrated low-beam optical element can be used for The auxiliary low-beam module with the auxiliary low-beam light shape of the ultra-wide zone III light shape can be formed. , the auxiliary low beam module also needs to be matched with the main low beam module capable of forming the cutoff line of the low beam inflection point.

Preferably, as shown in FIG. 11 to FIG. 13 , as a preferred embodiment of the low beam optical element of the present invention, the light incident portion 1 and the light passing portion 2 are integrally formed, and are arranged separately from the light exit portion 3 . 3 includes the light incident surface 31 of the light emitting part and the light emitting surface 32 of the light emitting part. The split setting of the low beam optical unit can increase the optical surface, so that the adjustable light distribution parameters in the light distribution process are increased, and the optical design is more flexible.

Further, as shown in FIG. 14 , the low-beam cut-off portion 212 is set so that the light emitted by the low-beam optical element forms a low-beam inflection point cut-off line, and the light incident surface 31 of the light exit portion is set as a convex curved surface, so that the The light exit part has the converging function of a common lens, so that a low beam inflection point cut-off line with an inflection point is formed through the low beam cut-off part 212 , so that the low beam optical element can be applied to a low beam module or a main low beam module. The low-beam cut-off part is arranged on the low-beam optical element, which fully utilizes the space of the low-beam optical element, can further reduce the volume of the vehicle lamp module, and realize the miniaturization of the vehicle lamp module.

More specifically, as shown in FIG. 1 and FIG. 11 , as a preferred embodiment of the low beam optical element of the present invention, the light incident portion 1 is a condensing cup structure. The outer contour surface of the condenser cup structure is a curved surface whose diameter gradually increases from back to front. The optical cup structure can also be a condensing cup structure with a concave cavity.

Preferably, the size in the vertical direction of the light-emitting surface 213 in zone III is 0.8 mm-1.2 mm. In order to ensure that the light shape of the III region has sufficient irradiation range in the upper and lower directions, the size of the light emitting surface 213 of the III region in the upper and lower directions can be further preferably 1 mm, and the upper and lower divergence angles of the light shape of the III region are about 10° at this time, It can meet the requirements of regulations for realizing the light shape of III zone.

Specifically, the dimming structure 211 includes a plurality of dimming units 2111 arranged horizontally in parallel, and the dimming units include a curved dimming unit, a flat dimming unit, a bump dimming unit, a stripe dimming unit and a pattern dimming unit, and The dimming structure 211 includes one or more of a curved dimming unit, a flat dimming unit, a bump dimming unit, a stripe dimming unit and a pattern dimming unit. The combined form of the dimming units 2111 in the dimming structure 211 can be specially designed according to the lighting effect to be achieved, so as to precisely control the light shape of the III zone. The corresponding light is processed to the range required by regulations. As a structural form, as shown in FIG. 4 , the dimming units 2111 on the dimming structure 211 are all curved dimming units to form the light shape of zone III as shown in FIG. 5 ; That is, the brightness of the B' area in FIG. 7 cannot meet the requirements of regulations. As another structural form, the light-emitting area corresponding to the measuring point can be found, that is, the B area in FIG. 6, and the dimming unit 2111 here can be found. The plane dimming unit is optional. Since the plane dimming unit does not have the effect of converging light, as shown in Figure 7, in the final light shape of zone III, a region with low local brightness will be formed at the B50L measuring point. , to meet the requirements of regulations for B50L measuring points, so as to prevent dazzling drivers on vehicles traveling in the opposite direction or pedestrians on the road, and improve the safety of driving at night. The position of the B50L measuring point in the formed III light shape is different in each low beam optical unit corresponding to the B50L light output area, so it is necessary to design each low beam optical unit accordingly, and use a similar method Other measuring points that need to reduce the brightness, such as HV points, can also be within the scope of regulatory requirements; in addition, the bump dimming unit, stripe dimming unit and pattern dimming unit are all by diffusing the light to the surrounding. , to reduce the brightness of the local area in the light shape of the III region.

Further, as shown in FIG. 8 and FIG. 9 , as an embodiment of the vehicle lamp module of the present invention, it includes a light source 4 and a low beam optical element of any one of the above-mentioned low beam optical element technical solutions, the light source 4 and the low beam optical element. The light incident parts 1 of each low beam optical unit are in one-to-one correspondence. More preferably, the light emitting direction of each light source 4 should be consistent with the extending direction of the length of the light passing portion 2 of the low beam optical element corresponding to the light source 4, so as to be able to form a width of -45° to 35° as shown in FIG. 10 . It should be noted that the left-right asymmetry of the light shape of the III region is caused by the overall bending of the light-emitting surface of the light-emitting part 3 of the multiple connected low-beam optical units to one side. As shown in FIGS. 8 and 9 , the light-emitting face of the light-emitting portion 3 that is integrated into one body is curved to the left, so that the light can be refracted to the left side, so as to form the light shape of the III area, which is biased to the left as shown in FIG. 10 . , the design that the light-emitting face is curved to the left is suitable for use on the left-side headlight. On this basis, the light-emitting face of the right-hand headlight can preferably be bent to the right, so that the left and right side lights are superimposed to form the III zone The light irradiation width is wider; in addition, the light source 4 can preferably be a light source with small volume, high brightness and long service life, such as an LED light source or a laser light source, so that the lamp module is small in size and has a long service life.

Further, since the vehicle lighting device provided by the third aspect of the present invention has the vehicle lamp module described in any one of the above technical solutions, the structure is simple, the volume is small, the installation is easy, and the light in zone III can be illuminated. The brightness of different areas in the shape can be precisely controlled, which avoids dazzling drivers on vehicles traveling in the opposite direction or pedestrians on the road, and can greatly improve the safety of driving at night. Similarly, since the vehicle provided by the fourth aspect of the present invention has the vehicle lighting device described in any one of the above technical solutions, the vehicle has an ultra-wide zone III light shape, which can expand the driver's field of vision and improve the safety for night driving.

The preferred embodiments of the present invention have been described above in detail with reference to the accompanying drawings, however, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solutions of the present invention, including combining various specific technical features in any suitable manner. No further explanation is required. However, these simple modifications and combinations should also be regarded as the contents disclosed in the present invention, and all belong to the protection scope of the present invention.

Claims

A low-beam optical element, characterized in that it comprises a plurality of low-beam optical units arranged in parallel, and the low-beam optical units are sequentially provided with a light entrance portion (1), a light passage portion (2) and a light exit portion along the light exit direction. part (3), the light exit part (3) on each of the low beam optical units is connected as a whole; the lower part of the light passing part (2) or the light passing part (2) and the light entering part (1) The lower part of the connecting part is provided with a groove structure (21) extending along the width direction of the light-passing part (2). The groove structure (21) includes two side surfaces and a top surface. The side close to the light incident portion (1) in the side surfaces is formed as the light exit surface (213) of the III area, and the side away from the light incident portion (1) of the two side surfaces is formed as the III area light incident surface (213). 214), the junction between the top surface and the light incident surface of the III region (214) is formed as a low beam cut-off portion (212), the III region light exit surface (213) and the III region light incident surface (214) At least one of ) is provided with a dimming structure (211), and the light emitted from the light incident portion (1) to the light exit surface (213) in the III region is emitted to the light exit surface (213) in the III region. The light-incident surface (214) of the zone III is capable of entering the light-transmitting portion (2) through the light-incident surface (214) of the zone III, and can be guided to the light-transmitting portion (2) through the light-transmitting portion (2). The light emitting portion (3) is emitted to form the light shape of the III region.
The low beam optical element according to claim 1, characterized in that, the light emitting surfaces of the plurality of light emitting parts (3) that are connected into one body are set as smooth curved surfaces.
The low beam optical element according to claim 2, wherein the light incident portion (1), the light passing portion (2) and the light exit portion (3) are integrally formed.
The low beam optical element according to claim 3, wherein a plurality of the low beam optical units are integrally formed.
The low beam optical element according to claim 2, characterized in that the light incident portion (1) and the light passing portion (2) are integrally formed, and are provided separately from the light exit portion (3), The light emitting part (3) comprises a light incident surface (31) of the light emitting part and a light emitting surface (32) of the light emitting part.
The low-beam optical element according to claim 5, wherein the low-beam cut-off portion (212) is set so that the light emitted from the low-beam optical element forms a low-beam inflection point cut-off line, and the light exit portion enters the low-beam inflection point. The smooth surface (31) is a convex curved surface.
The low beam optical element according to any one of claims 1 to 6, characterized in that, the light incident portion (1) is a condensing cup structure.
The low beam optical element according to any one of claims 1 to 6, characterized in that, the dimension in the up-down direction of the light-emitting surface (213) in zone III is 0.8 mm-1.2 mm.
The low beam optical element according to any one of claims 1 to 6, wherein the dimming structure (211) comprises a plurality of dimming units (2111) arranged in parallel in the lateral direction, and the dimming units include A curved dimming unit, a flat dimming unit, a bump dimming unit, a stripe dimming unit and a pattern dimming unit, and the dimming structure (211) includes a curved dimming unit, a flat dimming unit, and a bump dimming unit One or more of the unit, the stripe dimming unit and the pattern dimming unit.
A vehicle lamp module, characterized in that it comprises a light source (4) and the low beam optical element according to any one of claims 1 to 9, the light source (4) and all the low beam optical units of the light source (4) The light incident parts (1) are in one-to-one correspondence.
A vehicle lighting device, characterized by comprising the vehicle lamp module described in claim 10 .
A vehicle, characterized by comprising the vehicle lighting device according to claim 11 .