Illuminating device, vehicle lamp and vehicle

Abstract

The utility model provides a lighting device, a vehicle lamp and a vehicle. The lighting device comprises a lamp body, a lampshade, a mounting bracket and a flexible circuit board, the lampshade is installed on the lamp body, and a containing space is defined by the lampshade and the lamp body. The mounting bracket is accommodated in the accommodating space and is connected to the lamp body; the mounting bracket is provided with a bent mounting surface; the flexible circuit board is accommodated in the accommodating space; the edge of the flexible circuit board is mounted on the mounting bracket through a fastener, and the extension direction of the flexible circuit board is consistent with the extension direction of the bent mounting surface; the flexible circuit board is electrically connected with the LED light-emitting piece so that the flexible circuit board can extend in the arc-shaped direction by means of the flexibility characteristic of the flexible circuit board and can be attached to the bent installation face in the arc-shaped direction, and therefore the flexible circuit board is matched with the installation support, better adapts to the containing space, avoids adopting a rigid circuit board and fully adapts to various shapes. And the universality of the lighting device is improved.

Description

Technical Field

[0001] The present application relates to the technical field of lamps, and in particular to an illumination device, a vehicle lamp and a vehicle. Background Art

[0002] With the rapid development of technology, when vehicles such as drones, cars, and bicycles are traveling at night, in order to facilitate observing the heading of the vehicle, lamps are installed on the vehicle. The lamps are used to increase the brightness of the external environment of the vehicle, thereby improving the driving safety of the vehicle.

[0003] In the prior art, the lamp includes a lamp body, a lamp cover, a mounting bracket and a rigid circuit board; the lamp cover is installed on the lamp body, and a receiving space is formed by enclosing between the lamp cover and the lamp body; the mounting bracket is received in the receiving space and connected to the lamp body; the rigid circuit board is received in the receiving space; the rigid circuit board is installed on the mounting bracket. However, the use of a rigid circuit board cannot adapt to multiple mounting brackets, resulting in poor versatility of the existing lamps. Summary of the Utility Model

[0004] The purpose of the present application is to provide an illumination device, a vehicle lamp and a vehicle. The lamp cover is installed on the lamp body, and a receiving space is formed by enclosing between the lamp cover and the lamp body; the mounting bracket is received in the receiving space and connected to the lamp body; the mounting bracket is provided with a bent mounting surface; the flexible circuit board is received in the receiving space; the edge of the flexible circuit board is installed on the mounting bracket through a fastener, and the extending direction of the flexible circuit board is consistent with the extending direction of the bent mounting surface; the flexible circuit board is electrically connected to an LED light-emitting element, so that the flexible circuit board can extend along the arc direction by using its own flexible characteristics and fit along the arc direction on the bent mounting surface, thereby the flexible circuit board adapts to the mounting bracket, better adapts to the receiving space, avoids using a rigid circuit board, and fully responds to various shapes, improving the versatility of the illumination device.

[0005] To achieve the above object, the present application provides the following technical solutions:

[0006] An illumination device, comprising:

[0007] A lamp body;

[0008] A lamp cover, installed on the lamp body, and a receiving space is formed by enclosing between the lamp cover and the lamp body;

[0009] A mounting bracket, received in the receiving space and connected to the lamp body; the mounting bracket is provided with a bent mounting surface;

[0010] A flexible circuit board, received in the receiving space; the edge of the flexible circuit board is installed on the mounting bracket through a fastener, and the extending direction of the flexible circuit board is consistent with the extending direction of the bent mounting surface; the flexible circuit board is electrically connected to an LED light-emitting element.

[0011] Optionally, the upper edge and / or the lower edge of the flexible circuit board are fixed to the mounting bracket by fasteners;

[0012] The lighting device further includes a covering member disposed on a side of the flexible circuit board away from the mounting bracket and configured to cover and block the fasteners.

[0013] Optionally, the mounting bracket is provided with a groove,

[0014] The lighting device further includes a rubber pad disposed in the groove and contacting a side wall of the flexible circuit board facing away from the LED light-emitting element; the front and back surfaces of the rubber pad are respectively glued to the inner side wall of the groove and the side wall of the flexible circuit board facing away from the LED light-emitting element.

[0015] Optionally, the bent mounting surface is provided with a threaded hole, and the flexible circuit board is provided with a through hole, the through hole is arranged relative to the threaded hole and communicates with each other;

[0016] The through hole is for a screw to pass through, and the screw is screwed into the threaded hole to fix the flexible circuit board and the mounting bracket.

[0017] Optionally, the thickness of the flexible circuit board is 0.4 mm to 1.6 mm.

[0018] Optionally, the lamp cover includes an inner lamp cover portion and an outer lamp cover portion, and the outer lamp cover portion is connected to the lamp body;

[0019] The inner lamp cover portion is disposed in the accommodation space, the inner lamp cover portion is arranged relative to the outer lamp cover portion and covers the flexible circuit board and the LED light-emitting element.

[0020] Optionally, an air flow channel is formed between the inner lamp cover portion and the outer lamp cover portion, the air flow channel is for internal air flow to pass through, and the flexible circuit board is provided with a ventilation groove for the air flow in the air flow channel to pass through.

[0021] Optionally, the air flow channel and the accommodation space form an annular air flow space, and the annular air flow space is annularly arranged around the mounting bracket, the flexible circuit board and the LED light-emitting element.

[0022] A vehicle lamp includes the lighting device described above.

[0023] A vehicle includes the vehicle lamp and a vehicle body; the vehicle body carries the vehicle lamp.

[0024] Compared with the prior art, the beneficial effects of the present application are:

[0025] The present application provides an illumination device, a vehicle lamp and a vehicle. A lamp cover is installed on a lamp body, and an accommodation space is formed by enclosing between the lamp cover and the lamp body; a mounting bracket is accommodated in the accommodation space and connected to the lamp body; the mounting bracket is provided with a bent mounting surface; a flexible circuit board is accommodated in the accommodation space; the edge of the flexible circuit board is mounted on the mounting bracket through a fastener, and the extending direction of the flexible circuit board is consistent with the extending direction of the bent mounting surface; the flexible circuit board is electrically connected with an LED light-emitting element, so that the flexible circuit board can be attached to the bent mounting surface, thereby the flexible circuit board is adapted to the mounting bracket, better adapts to the accommodation space, avoids using a rigid circuit board, fully copes with various shapes, and improves the versatility. Description of the Drawings

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative efforts.

[0027] In order to more fully understand the present application and its beneficial effects, the following will be described in conjunction with the drawings. Among them, the same reference numerals in the following description represent the same parts.

[0028] Figure 1 A partial schematic diagram of an illumination device according to an embodiment of the present application is shown.

[0029] Figure 2 A cross-sectional view of an illumination device according to an embodiment of the present application is shown.

[0030] Figure 3 Shows Figure 2 A partial enlarged view of part A in

[0031] Figure 4 A cross-sectional view of the lamp cover of an illumination device according to an embodiment of the present application is shown.

[0032] Figure 5 A schematic diagram of the flexible circuit board and the covering component of an illumination device according to an embodiment of the present application is shown.

[0033] Reference Numerals

[0034] 100, illumination device;

[0035] 10, lamp body; 10a, accommodation space; 10b, annular air flow space;

[0036] 20, lamp cover; 20a, air flow channel; 21, inner lamp cover part; 22, outer lamp cover part;

[0037] 30. Mounting bracket; 30a. Groove;

[0038] 40. Flexible circuit board; 40a. Venting groove;

[0039] 50. Rubber pad;

[0040] 60. Covering component. Detailed implementation manner

[0041] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present application.

[0042] Please refer to the attached Figures 1 to 4 , the present application provides a lighting device 100, and the lighting device 100 is applied to vehicle lights and transportation tools. The vehicle lights are used to increase the brightness of the external environment of the transportation tool, thereby improving the driving safety of the transportation tool. At this time, the vehicle lights are part of the transportation tool, and the lighting device 100 is part of the vehicle lights.

[0043] In the embodiment of the present application, the lighting device 100 includes a lamp body 10, a lamp cover 20, a mounting bracket 30, and a flexible circuit board 40. The lamp cover 20 is arranged on the outer side of the lamp body 10, and the mounting bracket 30 and the flexible circuit board 40 are located between the lamp cover 20 and the lamp body 10. At this time, the mounting bracket 30 and the flexible circuit board 40 are installed on the inner side of the lamp body 10, the lamp cover 20 covers the mounting bracket 30 and the flexible circuit board 40, and is connected to the lamp body 10 to protect the surface of the flexible circuit board 40.

[0044] In the embodiment of the present application, the lamp body 10 serves as a supporting component of the lighting device 100. The lamp body 10 is used to support the lamp cover 20, the mounting bracket 30, and the flexible circuit board 40. Optionally, the lamp body 10 is formed by bending, aluminum extrusion, or casting, which is not limited here. The lamp body 10 has a certain rigidity.

[0045] In the embodiment of the present application, the lamp cover 20 is arranged on the outer side of the lamp body 10. The lamp cover 20 is installed on the lamp body 10 and receives the supporting force of the lamp body 10 so as to fix the lamp cover 20 to the lamp body 10. A receiving space 10a is formed between the lamp cover 20 and the lamp body 10. The receiving space 10a is used to receive the mounting bracket 30 and the flexible circuit board 40, so as to protect the outer surfaces of the mounting bracket 30 and the flexible circuit board 40 between the lamp cover 20 and the lamp body 10, thereby facilitating the guarantee of the performance of the flexible circuit board 40 and avoiding damage to the flexible circuit board 40.

[0046] At this time, the lamp body 10 and the lamp cover 20 are combined and wrapped to install the bracket 30 and the flexible circuit board 40, so that the installation bracket 30 and the flexible circuit board 40 are protected by the lamp body 10 and the lamp cover 20, thereby facilitating the guarantee of the performance of the flexible circuit board 40 and avoiding damage to the flexible circuit board 40.

[0047] In the embodiment of the present application, the installation bracket 30 is disposed inside the lamp body 10, the installation bracket 30 is received in the receiving space 10a, and is connected to the lamp body 10. The installation bracket 30 receives a supporting force from the lamp body 10, so that the installation bracket 30 is fixed to the inside of the lamp body 10; the installation bracket 30 is provided with a bent mounting surface for the flexible circuit board 40, so that the flexible circuit board 40 is fixed to the installation bracket 30.

[0048] In the embodiment of the present application, the flexible circuit board 40 is disposed on the upper side of the installation bracket 30, and the flexible circuit board 40 is received in the receiving space 10a; the edge of the flexible circuit board 40 is mounted on the installation bracket by a fastener, and the extending direction of the flexible circuit board 40 is the same as the extending direction of the bent mounting surface; the flexible circuit board 40 is electrically connected to the LED lighting element, so that the flexible circuit board 40 extends along the bent mounting surface by utilizing its own flexible characteristics, so that the flexible circuit board 40 is adapted to the installation bracket 30, better adapts to the receiving space 10a, avoids using a rigid circuit board, and fully responds to various shapes, improving the versatility of the lighting device 100.

[0049] At this time, the side of the flexible circuit board 40 facing away from the LED lighting element is close to the bent mounting surface and is adapted to the extending direction of the bent mounting surface, so that the flexible circuit board 40 is connected to the bent mounting surface in a fitting manner, so that the flexible circuit board 40 is fixed to the bent mounting surface on one side and connected to the LED lighting element on the other side, preventing the flexible circuit board 40 from warping and affecting the appearance, better adapting to the receiving space 10a, avoiding using a rigid circuit board, and fully responding to various shapes, improving the versatility of the lighting device 100. The elasticity and vibration resistance of the flexible circuit board 40 can reduce the risk of damage due to vibration and distortion, thereby extending the service life of the LED lighting element. By using the flexible circuit board 40, a more flexible circuit layout is achieved while ensuring a highly reliable electrical connection with the LED lighting element. The bent mounting surface can be an arc-shaped mounting surface or a mounting surface formed by sequentially connecting a plurality of planes with different inclination degrees. At this time, the flexible circuit board 40 includes a plurality of straight circuit boards with different inclination degrees, and each straight circuit board is respectively assembled to each plane.

[0050] Among them, the flexible circuit board 40 is supported by the bent mounting surface of the mounting bracket 30, so that the flexible circuit board 40 can deform as it conforms to the bent mounting surface of the mounting bracket 30, thereby facilitating the outer contour of the flexible circuit board 40 to match the outer contour of the bent mounting surface of the mounting bracket 30, preventing the flexible circuit board 40 from warping and affecting the appearance, better adapting to the accommodation space 10a, avoiding the use of rigid circuit boards, fully coping with various shapes, improving the versatility of the lighting device 100, and the elasticity and vibration resistance of the flexible circuit board 40 can reduce the risk of damage due to vibration and distortion, thereby extending the service life of the LED lighting component. By adopting the flexible circuit board 40, a more flexible circuit layout can be achieved while ensuring a highly reliable electrical connection with the LED lighting component.

[0051] In this application, the flexible circuit board is relative to a rigid circuit board without any bending ability. Specifically, it refers to a circuit board with bending ability. In its normal state, it can be a flat circuit board with support, and it can be slightly bent by a certain arc according to the shaping needs to present a bent state. For example, an FR4 circuit board can be selected; it can also be directly formed into a bent state before assembly for easy installation operation. Of course, in other embodiments, the material is not limited.

[0052] The upper edge of the flexible circuit board 40 is fixed to the mounting bracket 30 from top to bottom through a fastener; or, the lower edge of the flexible circuit board 40 is fixed to the mounting bracket 30 from bottom to top through a fastener, realizing the fixed connection between the flexible circuit board 40 and the mounting bracket 30. The lighting device 100 further includes a covering member 60. The covering member 60 is disposed on the side of the flexible circuit board away from the mounting bracket and is used to cover and protect the fastener, which can also make the appearance of the connection between the flexible circuit board and the mounting bracket look more concise.

[0053] In the embodiment of this application, the mounting bracket 30 is provided with a groove 30a. The groove 30a is recessed from the outside to the inside of the mounting bracket 30. The lighting device 100 further includes a rubber pad 50. The rubber pad 50 is located in the groove 30a, so that the rubber pad 50 can be accommodated in the groove 30a, thereby facilitating the rubber pad 50 to be fixed to the mounting bracket 30 through the groove 30a. The rubber pad 50 contacts the side wall of the flexible circuit board 40 facing away from the LED lighting component; the front and back sides of the rubber pad 50 are respectively glued to the inner side wall of the groove 30a and the side wall of the flexible circuit board 40 facing away from the LED lighting component, so that the inner side wall of the groove 30a can be fixed to the side wall of the flexible circuit board 40 facing away from the LED lighting component through the rubber pad 50, thereby facilitating the mounting bracket 30 to be fixed to the flexible circuit board 40 by means of glue connection, and further facilitating to ensure the connection stability between the mounting bracket 30 and the flexible circuit board 40.

[0054] At this time, the rubber pad 50 is received in the groove 30a, so that the outer sidewall of the rubber pad 50 is restricted by the inner sidewall of the groove 30a, facilitating the fixing of the rubber pad 50 in the groove 30a. The flexible circuit board 40 ensures the connection strength of the flexible circuit board 40 relative to the mounting bracket 30 through the rubber pad 50, so that the bottom of the flexible circuit board 40 is subjected to the pulling force of the rubber pad 50, preventing the flexible circuit board 40 from detaching from the mounting bracket 30. Thus, one side of the flexible circuit board 40 is fixed to the bent mounting surface, and the other side is connected to the LED lighting element, preventing the flexible circuit board 40 from warping and affecting the appearance, better adapting to the accommodation space 10a, avoiding the use of rigid circuit boards, fully coping with various shapes, improving the versatility of the lighting device 100. The elasticity and vibration resistance of the flexible circuit board 40 can reduce the risk of damage due to vibration and distortion, thereby extending the service life of the LED lighting element. By adopting the flexible circuit board 40, a more flexible circuit layout is achieved while ensuring a highly reliable electrical connection with the LED lighting element.

[0055] In an embodiment of the present application, the bent mounting surface is provided with threaded holes, and the flexible circuit board 40 is provided with through holes. The through holes are arranged relative to the threaded holes and communicate with each other; the through holes are for screws to pass through, and the screws are screwed into the threaded holes to fix the flexible circuit board 40 and the mounting bracket 30, facilitating the further fixing of the flexible circuit board 40 to the bent mounting surface through the cooperation of the screws and the threaded holes, thereby further improving the connection stability between the flexible circuit board 40 and the bent mounting surface, and then facilitating the guarantee of the fixing effect of the flexible circuit board 40 relative to the mounting bracket 30. Optionally, the thickness of the flexible circuit board 40 is 0.4 mm to 1.6 mm.

[0056] In an embodiment of the present application, the lamp shade 20 includes an inner lamp shade part 21 and an outer lamp shade part 22. The outer lamp shade part 22 is connected to the lamp body 10, facilitating the fixed connection of the lamp shade 20 to the lamp body 10 through the outer lamp shade part 22; the inner lamp shade part 21 is located in the accommodation space 10a, the inner lamp shade part 21 is arranged relative to the outer lamp shade part 22, and covers the flexible circuit board 40 and the LED lighting element, facilitating the inner lamp shade part 21 to further protect the outer surface of the flexible circuit board 40. Thus, the inner lamp shade part 21 and the outer lamp shade part 22 simultaneously protect the outer surface of the flexible circuit board 40, and then facilitate the improvement of the protection effect of the lamp shade 20 relative to the flexible circuit board 40.

[0057] At this time, the inner lamp shade part 21 and the outer lamp shade part 22 simultaneously protect the flexible circuit board 40 and the LED lighting element, facilitating the double protection of the flexible circuit board 40 and the LED lighting element.

[0058] Among them, an air flow channel 20a is formed between the inner lamp cover part 21 and the outer lamp cover part 22. The air flow channel 20a is used for the internal air flow to pass through. The flexible circuit board 40 is provided with a ventilation groove 40a, and the ventilation groove 40a is used for the air flow in the air flow channel 20a to pass through, which is beneficial to the air in the air flow channel 20a to flow into the cavity channel between the flexible circuit board 40 and the lamp body 10, accelerating the dissipation of the fog on the outer lamp cover part 22, thereby optimizing the fog dissipation performance, so as to improve the transparency of the outer lamp cover part 22, so that the light output by the LED light-emitting component can be conducted to the external environment through the outer lamp cover part 22, and further facilitating the improvement of the brightness of the external environment.

[0059] In addition, the cavity channel between the flexible circuit board 40 and the lamp body 10 and the air flow channel 20a together form an annular air flow space 10b. The annular air flow space 10b is arranged around the flexible circuit board 40 and the LED light-emitting component, so that the air flow can flow annularly along the annular air flow space 10b, thereby facilitating the heat dissipation of the air flow when passing through the flexible circuit board 40 and the LED light-emitting component, and further ensuring the performance of the flexible circuit board 40 and the LED light-emitting component.

[0060] In the second embodiment, a vehicle lamp includes a lighting device 100. The lighting device 100 is a part of the vehicle lamp, and the vehicle lamp is used to increase the brightness of the external environment of the vehicle, thereby improving the driving safety of the vehicle.

[0061] The vehicle lamp further includes a bulb. The bulb is arranged inside the lighting device 100. The lighting device 100 wraps the bulb and protects the bulb from being damaged.

[0062] In the third embodiment, a vehicle includes a vehicle lamp and a vehicle body; the vehicle body carries the vehicle lamp, so that the vehicle lamp is fixed to the vehicle body, so that the vehicle lamp can improve the brightness of the external environment for the vehicle body, and further facilitating to ensure the brightness during the use of the vehicle.

[0063] Compared with the prior art, the beneficial effects of the present application are:

[0064] The present application provides an illumination device 100, a vehicle lamp and a vehicle. A lamp cover 20 is installed on a lamp body 10. An accommodation space 10a is formed by enclosing between the lamp cover 20 and the lamp body 10. A mounting bracket 30 is accommodated in the accommodation space 10a and connected to the lamp body 10. The mounting bracket 30 is provided with a bent mounting surface. A flexible circuit board 40 is accommodated in the accommodation space 10a. The edge of the flexible circuit board 40 is mounted on the mounting bracket by a fastener, and the extending direction of the flexible circuit board 40 is consistent with the extending direction of the bent mounting surface. The flexible circuit board 40 is electrically connected to an LED light-emitting component, so that the flexible circuit board 40 can extend along an arc direction by using its own flexible characteristics and fit along the arc direction on the bent mounting surface, so that the flexible circuit board 40 is adapted to the mounting bracket 30, better adapts to the accommodation space 10a, avoids using a rigid circuit board, fully responds to various shapes, and improves the versatility of the illumination device 100.

[0065] Wherein, the flexible circuit board 40 is subjected to the supporting force of the bent mounting surface of the mounting bracket 30, so that the flexible circuit board 40 can be deformed as it fits the bent mounting surface of the mounting bracket 30, so that the outer contour of the flexible circuit board 40 can be adapted to the outer contour of the bent mounting surface of the mounting bracket 30, preventing the flexible circuit board 40 from warping and affecting the appearance, better adapting to the accommodation space 10a, avoiding using a rigid circuit board, fully responding to various shapes, improving the versatility of the illumination device 100. The elasticity and vibration resistance of the flexible circuit board 40 can reduce the risk of damage due to vibration and torsion, thereby prolonging the service life of the LED light-emitting component. By adopting the flexible circuit board 40, a more flexible circuit layout can be achieved while ensuring a highly reliable electrical connection with the LED light-emitting component.

[0066] In the above embodiments, the descriptions of the respective embodiments have their own focuses. For parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0067] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0068] Specific examples are used herein to elaborate on the principles and implementation manners of the present application. The descriptions of the above embodiments are only used to help understand the method and its core idea of the present application. At the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. A lighting device, characterized in that: include: Lamp body; A lampshade is mounted on the lamp body, and a receiving space is formed between the lampshade and the lamp body; A mounting bracket is accommodated in the accommodation space and connected to the lamp body; the mounting bracket is provided with a curved mounting surface; A flexible circuit board is accommodated in the accommodation space; The edge of the flexible circuit board is mounted on the mounting bracket by a fastener, and the extension direction of the flexible circuit board is consistent with the extension direction of the curved mounting surface; The flexible circuit board is electrically connected to an LED light emitting component.

2. The lighting device according to claim 1, characterized in that: The upper edge and / or the lower edge of the flexible circuit board is fixed to the mounting bracket by fasteners; The lighting device further comprises a covering component, which is arranged on a side of the flexible circuit board away from the mounting bracket and is used to cover and shield the fastener.

3. The lighting device according to claim 1, characterized in that: The mounting bracket is provided with a groove, The lighting device also includes a rubber pad, which is located in the groove and contacts a side wall of the flexible circuit board facing away from the LED light-emitting component; the front and back surfaces of the rubber pad are respectively glued to the inner side wall of the groove and a side wall of the flexible circuit board facing away from the LED light-emitting component.

4. The lighting device according to claim 2, characterized in that: The curved mounting surface is provided with a threaded hole, and the flexible circuit board is provided with a via hole, and the via holes are arranged relative to the threaded hole and are connected to each other; The through hole is used for screws to pass through, and the screws are screwed into the threaded holes to fix the flexible circuit board and the mounting bracket.

5. The lighting device according to any one of claims 1 to 4, characterized in that: The thickness of the flexible circuit board is 0.4 mm to 1.6 mm.

6. The lighting device according to claim 1, characterized in that: The lampshade comprises an inner lampshade portion and an outer lampshade portion, wherein the outer lampshade portion is connected to the lamp body; The inner lamp cover part is located in the accommodating space, is arranged relative to the outer lamp cover part, and covers the flexible circuit board and the LED light emitting element.

7. The lighting device according to claim 6, characterized in that: An airflow channel is formed between the inner lampshade portion and the outer lampshade portion, and the airflow channel is used for internal airflow to pass through. The flexible circuit board is provided with a ventilation groove, and the ventilation groove is used for airflow in the airflow channel to pass through.

8. The lighting device according to claim 7, characterized in that: The air flow channel and the accommodating space form an annular air flow space, and the annular air flow space is arranged around the mounting bracket, the flexible circuit board and the LED light-emitting element.

9. A vehicle lamp, characterized in that: The invention comprises a lighting device as claimed in any one of claims 1 to 8.

10. A means of transport, characterized in that: The invention comprises a vehicle light as claimed in claim 9 and a vehicle body; the vehicle body carries the vehicle light.

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