Lighting device and vehicle

By adopting the design of light-emitting parts, shading components and light-transmitting mechanisms in automobile lamps, the problem of uneven brightness at the corners of the light-transmitting layer is solved, the uniform distribution of light in the gaps is achieved, and the brightness uniformity and aesthetics of the lamps are improved.

CN223448190UActive Publication Date: 2025-10-17ZHEJIANG GEELY HLDG GRP CO LTD +1
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Patent Information

Application Number
CN202423171742.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-10-17
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing automotive lamps have a sudden increase in thickness at the corners of the light-transmitting layer, which results in more light absorption and scattering, causing uneven brightness, shadows and dark spots, and affecting the overall lighting effect and appearance of the lamp.

Method used

The design includes a light-emitting component, a shading component and a light-transmitting mechanism. The light-transmitting mechanism is arranged on the side of the shading component close to the light-emitting component. The multiple beams of light from the light-emitting component have the same path length through the light-transmitting mechanism and are evenly scattered by the light-transmitting mechanism, so that the light is more evenly distributed in the gap.

Benefits of technology

It achieves brightness uniformity of automotive lamps, reduces shadows and dark spots, and improves the overall lighting effect and appearance of the lamps.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223448190U_ABST
    Figure CN223448190U_ABST
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Abstract

The utility model relates to the technical field of vehicle lighting, and discloses a lighting device and a vehicle, and the lighting device comprises a light-emitting part, a shading assembly and a light-transmitting mechanism; a gap is formed in the shading assembly, the light-transmitting mechanism is arranged on the side, close to the light-emitting part, of the shading assembly and connected with the shading assembly, the light-emitting part irradiates the gap through the light-transmitting mechanism, and the path lengths of multiple beams of light irradiated by the light-emitting part through the light-transmitting mechanism are consistent so that the light irradiated by the light-emitting part to the light-transmitting mechanism can be more uniform. Meanwhile, the lengths of the paths of the multiple beams of light in the light transmitting mechanism are consistent, so that the light can be more uniformly irradiated into the gap after being scattered by the light transmitting mechanism, and the brightness of the light irradiated from the gap is more uniform. The technical problem that in the prior art, the brightness of an automobile lamp is not uniform is solved, and the technical effect that the brightness of the automobile lamp is uniform is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle lighting technical field, in particular to a lighting device and vehicle. BACKGROUND

[0002] In the design of automobile lamps, in order to give consideration to modeling effect and cost control, double-color injection molding process is often used in inner mirror. Due to the requirement of injection molding process, the light-transmitting decorative frame is usually designed as a trapezoidal structure, facilitating demolding. In order to ensure uniform light emission, the light-transmitting layer uses light diffusion material. The principle of light diffusion material is to scatter light through tiny particles, so that light is uniformly distributed, reducing local brightness unevenness. The standard wall thickness of the light-transmitting layer is usually 2.5mm, but the thickness increases suddenly when viewed from the front at the corner. Since light passes through the thicker area, it absorbs and scatters more light, and the light loss is more. Therefore, the brightness of the thicker area on both sides is significantly lower than that of the central area of 2.5mm, producing dark shadows and dark spots, affecting the overall lighting effect and appearance of the lamp. SUMMARY

[0003] The utility model aims at providing a lighting device and vehicle, solve the technical problem of uneven brightness of prior art automobile lamps.

[0004] In order to solve the above technical problems, the utility model provides a lighting device, which comprises a light-emitting part, a light-shielding assembly and a light-transmitting mechanism.

[0005] The light-shielding assembly is provided with a gap, the light-transmitting mechanism is arranged on the side of the light-shielding assembly close to the light-emitting part and connected with the light-shielding assembly, the light-emitting part irradiates the gap through the light-transmitting mechanism, and the path lengths of the multiple light beams irradiated by the light-emitting part through the light-transmitting mechanism are consistent.

[0006] In an optional embodiment, the light-transmitting mechanism extends into the gap, and the surface of the light-transmitting mechanism and the surface of the light-shielding assembly are arranged on the same plane.

[0007] In an optional embodiment, the side of the light-transmitting mechanism away from the light-shielding assembly is provided with a smooth transition.

[0008] In an optional embodiment, the light-shielding assembly comprises a first light-shielding part and a second light-shielding part, and the first light-shielding part and the second light-shielding part are symmetrically arranged along the irradiation direction of the light-emitting part.

[0009] In an optional embodiment, the first light-shielding part is provided with a first inclined surface and a second inclined surface.

[0010] The first inclined surface and the second inclined surface are arranged at one end of the first light shielding piece close to the second light shielding piece, and the first inclined surface and the second inclined surface are connected, and the first inclined surface and the second inclined surface are arranged at an angle with the plane where the gap is located.

[0011] In an optional embodiment, the angle between the first inclined surface and the plane where the gap is located is greater than the angle between the second inclined surface and the plane where the gap is located.

[0012] In an optional embodiment, the first inclined surface, the second inclined surface and the end of the first light shielding piece are smoothly transitioned.

[0013] In an optional embodiment, the light transmission mechanism is provided with a recess, and the recess is arranged on the side of the light transmission mechanism close to the light emitting piece, and the recess is recessed in the direction away from the light emitting piece.

[0014] In an optional embodiment, the irradiation direction of the light emitting piece is arranged perpendicularly to the plane where the gap is located.

[0015] The utility model also provides a vehicle, including the lighting device.

[0016] The utility model provides a lighting device, including light emitting piece, shading component and light transmission mechanism, shading component is provided with the gap, light transmission mechanism sets up in shading component close to one side of light emitting piece with shading component is connected, light emitting piece is irradiated to the gap through light transmission mechanism, and the path length of a plurality of light rays of light emitting piece irradiation is consistent through light transmission mechanism, so that the light rays of light emitting piece irradiation are more uniform through light transmission mechanism, and because the length of the path of a plurality of light rays is consistent in the light transmission mechanism, so after scattering through light transmission mechanism, can more uniformly irradiate to the gap, make the brightness of the light ray of the gap irradiation is more uniform. The technical problem of uneven brightness of the prior art automobile lamp is solved, and the technical effect of uniform brightness of the automobile lamp is achieved. ACCURACY OF DRAWINGS

[0017] Figure 1 It is a cross-sectional view of the lighting device mentioned in the embodiment of the utility model;

[0018] Figure 2 It is still another cross-sectional view of the lighting device mentioned in the embodiment of the utility model;

[0019] Figure 3 It is Figure 2 the local enlarged view schematic drawing of;

[0020] Figure 4 It is a structure schematic view of the lighting device mentioned in the embodiment of the utility model.

[0021] In the figure, 1-light-emitting element; 2-shading assembly; 201-first light-shielding element; 202-second light-shielding element; 203-first inclined surface; 204-second inclined surface; 3-light-transmitting mechanism; 4-gap; 5-recess. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0023] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] In related technologies, the thickness of the light-transmitting layer increases suddenly at the corners when viewed from the front. As light passes through the thicker areas, it absorbs and scatters more light, resulting in greater light loss. Consequently, the brightness of the thicker areas on both sides is significantly reduced compared to the 2.5mm central area, creating shadows and dark spots that affect the overall lighting effect and aesthetics of the lamp.

[0025] In view of this, if Figures 1-4 As shown, some embodiments of the present invention provide a lighting device, including a light-emitting element 1, a shading assembly 2 and a light-transmitting mechanism 3; a gap 4 is provided on the shading assembly 2, and the light-transmitting mechanism 3 is provided on the side of the shading assembly 2 close to the light-emitting element 1 and connected to the shading assembly 2, and the light-emitting element 1 is irradiated toward the gap 4 through the light-transmitting mechanism 3, and the path lengths of the multiple beams of light irradiated by the light-emitting element 1 through the light-transmitting mechanism 3 are consistent.

[0026] In the above embodiment, the light emitting piece 1 can adopt an LED lamp, the light emitting piece 1 can be arranged as a light source of parallel irradiation of multiple light beams, the irradiation direction of the light emitting piece 1 is towards the gap 4, the light shielding assembly 2 can adopt a light shielding plastic material, the light shielding assembly 2 can adopt black, the gap 4 is arranged on the light shielding assembly 2, the gap 4 can be in a strip shape, the light transmission mechanism 3 can adopt a polycarbonate material, the light transmission mechanism 3 can be arranged in the gap 4 or can be arranged in a spaced manner with the gap 4, the light transmission mechanism 3 can scatter light through internal micro particles to make the light uniformly distributed, the light transmission mechanism 3 is arranged between the light shielding assembly 2 and the light emitting piece 1, the light transmission mechanism 3 can uniformly diffuse the light emitted by the light emitting piece 1 and then send the light to the gap 4, so that the light irradiation of the gap 4 is more uniform, and the thickness of the light transmission mechanism 3 corresponding to the gap 4 is consistent, that is, the path of the light emitted by the light emitting piece 1 to the light transmission mechanism 3 is consistent, so that each light beam is more uniform when irradiated from the gap 4 after scattering, and the longer the path, the better the scattering effect of the light, and the shorter the path, the worse the scattering effect of the light, so that the light irradiated from the gap 4 is more uniform.

[0027] The lighting device provided by some embodiments of the utility model has the advantages that the light emitting piece 1 can adopt an LED lamp, the light emitting piece 1 can be arranged as a light source of parallel irradiation of multiple light beams, the irradiation direction of the light emitting piece 1 is towards the gap 4, the light shielding assembly 2 can adopt a light shielding plastic material, the light shielding assembly 2 can adopt black, the gap 4 is arranged on the light shielding assembly 2, the gap 4 can be in a strip shape, the light transmission mechanism 3 can adopt a polycarbonate material, the light transmission mechanism 3 can be arranged in the gap 4 or can be arranged in a spaced manner with the gap 4, the light transmission mechanism 3 can scatter light through internal micro particles to make the light uniformly distributed, the light transmission mechanism 3 is arranged between the light shielding assembly 2 and the light emitting piece 1, the light transmission mechanism 3 can uniformly diffuse the light emitted by the light emitting piece 1 and then send the light to the gap 4, so that the light irradiation of the gap 4 is more uniform, and the thickness of the light transmission mechanism 3 corresponding to the gap 4 is consistent, that is, the path of the light emitted by the light emitting piece 1 to the light transmission mechanism 3 is consistent, so that each light beam is more uniform when irradiated from the gap 4 after scattering, and the longer the path, the better the scattering effect of the light, and the shorter the path, the worse the scattering effect of the light, so that the light irradiated from the gap 4 is more uniform.

[0028] In the optional implementation, the light transmission mechanism 3 extends into the gap 4, and the surface of the light transmission mechanism 3 and the surface of the light shielding assembly 2 are arranged on the same plane.

[0029] In the above embodiment, the light transmission mechanism 3 is embedded in the gap 4, the light transmission mechanism 3 can be connected with the light shielding assembly 2, the light transmission mechanism 3 can be connected with the light shielding assembly 2 through a double-color injection molding process, or can be connected through gluing and the like, the light transmission mechanism 3 extends into the gap 4 of the light shielding assembly 2, so that the surface of the light transmission mechanism 3 and the surface of the light shielding assembly 2 are flush, thereby making the whole more flat and beautiful, reducing the thickness of the whole to reduce the used material and reduce the material cost.

[0030] In the optional implementation, the side, away from the light shielding assembly 2, of the light transmission mechanism 3 is arranged in a smooth transition manner.

[0031] In the above embodiment, after the light transmission mechanism 3 is embedded in the gap 4, the light transmission mechanism 3 extends to both sides to enable the light transmission mechanism 3 to be connected with the light shielding assemblies 2 on both sides, and the side of the light transmission mechanism 3 close to the light emitting member 1 is smoothly transitioned, so that the light transmission mechanism 3 has better flowability during injection molding, and is more convenient to manufacture.

[0032] In an optional embodiment, the light shielding assembly 2 comprises a first light shielding member 201 and a second light shielding member 202, and the first light shielding member 201 and the second light shielding member 202 are symmetrically arranged along the irradiation direction of the light emitting member 1.

[0033] In the above embodiment, the surfaces of the first light shielding member 201 and the second light shielding member 202 away from the light emitting member 1 are arranged on the same plane, the first light shielding member 201 and the second light shielding member 202 are symmetrically arranged along the axis of the light emitting member 1, the first light shielding member 201 and the second light shielding member 202 are arranged at intervals, the gap 4 is arranged between the first light shielding member 201 and the second light shielding member 202, and the light emitting member 1 irradiates light through the gap 4 between the first light shielding member 201 and the second light shielding member 202.

[0034] In an optional embodiment, the first light shielding member 201 is provided with a first inclined surface 203 and a second inclined surface 204, the first inclined surface 203 and the second inclined surface 204 are arranged at the ends of the first light shielding member 201 close to the second light shielding member 202 respectively, the first inclined surface 203 and the second inclined surface 204 are connected, and the first inclined surface 203 and the second inclined surface 204 are arranged at an angle with the plane on which the gap 4 is located respectively.

[0035] In the above embodiment, the first inclined surface 203 and the second inclined surface 204 can be arranged as planes, the first inclined surface 203 and the second inclined surface 204 are connected, one end of the first inclined surface 203 away from the second inclined surface 204 is connected to the upper end of the first light shielding member 201, one end of the second inclined surface 204 away from the first inclined surface 203 is connected to the lower end of the first light shielding member 201, the first inclined surface 203 and the second inclined surface 204 are arranged on different planes, the first inclined surface 203 and the second inclined surface 204 are arranged at an obtuse angle, and the first inclined surface 203 and the second inclined surface 204 are arranged at an angle with the plane on which the gap 4 is located respectively, so that the flowability of the light transmission mechanism 3 at the gap 4 is better during the injection molding of the light transmission mechanism 3, and the light transmission quality of the light transmission mechanism 3 is better.

[0036] In an optional embodiment, the angle between the first inclined surface 203 and the plane on which the gap 4 is located is greater than the angle between the second inclined surface 204 and the plane on which the gap 4 is located.

[0037] In the above embodiment, the angle of the first inclined surface 203 is larger, and more close to vertical, while the second inclined surface 204 is a transition, and more close to parallel, and the first inclined surface 203 and the second inclined surface 204 are connected, so that the flowability of the light transmission mechanism 3 is better, and it is easier to fill the gap 4, and the quality of the light transmission mechanism 3 is better.

[0038] In an optional embodiment, the first inclined surface 203, the second inclined surface 204 and the end of the first light shielding piece 201 are smoothly transitioned.

[0039] In the above embodiment, the first inclined surface 203 and the second inclined surface 204 are provided with a round corner, the first inclined surface 203 and the upper surface of the first light shielding piece 201 are not provided with a round corner, and the second inclined surface 204 and the lower surface of the first light shielding piece 201 are provided with a round corner, so that the flowability of the light transmission mechanism 3 is better when flowing, and turbulence and vortex are avoided, and the first inclined surface 203 and the upper surface of the first light shielding piece 201 are not provided with a round corner, so that the gap 4 edge is not accurate due to the round corner, and the light transmission mechanism 3 is also easy to be out of control, thereby affecting the scattering effect and the surface brightness is uneven.

[0040] Optionally, the light transmission mechanism 3 can include a connecting section on both sides and a light transmission section in the middle, the light transmission section is used for transmitting light, and the connecting sections on both sides are used for connecting to the light shielding assembly 2, the height of the first inclined surface 203 can be set to 1mm, the angle between the first inclined surface 203 and the horizontal direction can be set to 60°, the angle between the second inclined surface 204 and the horizontal direction can be set to 25°, the thickness of the first light shielding piece 201 can be set to 2.3mm, the thickness of the light transmission section can be set to 2.5mm, and the minimum thickness of the connecting section is 2.2mm.

[0041] The second light shielding piece 202 is symmetrically arranged with the first light shielding piece 201, and will not be described again.

[0042] In an optional embodiment, the light transmission mechanism 3 is provided with a recess 5, the recess 5 is arranged on the side of the light transmission mechanism 3 close to the light emitting piece 1, and the recess 5 is recessed away from the light emitting piece 1.

[0043] In the above embodiment, the recess 5 is arranged on the light transmission section, and the edge of the recess 5 is also smoothly transitioned, so as to facilitate the flow of the light transmission mechanism 3, and the extension direction of the recess 5 is arranged close to the gap 4, so that the thickness of the light transmission section is similar to or even the same as the thickness of the connecting section, so that the light transmission mechanism 3 is more stable during injection molding.

[0044] Optionally, the edge of the recess 5 is arranged as a smooth transition, wherein the fillet of the edge of the recess 5 can be arranged as a fillet with a larger diameter, so as to ensure better flow of the light transmission mechanism 3 under the premise that the light emitted by the light emitting member 1 is partially inconsistent in path.

[0045] In an optional embodiment, the irradiation direction of the light emitting member 1 is arranged perpendicularly to the plane where the slit 4 is located.

[0046] In the above embodiment, the center line of the light emitting member 1 is arranged at the center line position of the slit 4, the center line of the multiple light beams emitted by the light emitting member 1 is also arranged coincidently with the center line of the slit 4, and the irradiation direction of the light emitting member 1 is also parallel to the center line of the slit 4, so that the light emitted by the light emitting member 1 can better enter the slit 4, and the oblique light is avoided from being irradiated to the slit 4, which causes the non-uniform brightness of the slit 4.

[0047] The utility model also provides a kind of vehicle, including lighting device.

[0048] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A lighting device, characterized in that: It includes a light-emitting element, a light-shielding component and a light-transmitting mechanism; A gap is provided on the shading component, and the light-transmitting mechanism is provided on a side of the shading component close to the light-emitting component and connected to the shading component. The light-emitting component is irradiated toward the gap through the light-transmitting mechanism, and the path lengths of the multiple beams of light irradiated by the light-emitting component through the light-transmitting mechanism are consistent.

2. The lighting device according to claim 1, characterized in that The light-transmitting mechanism extends into the gap, and the surface of the light-transmitting mechanism and the surface of the light-shielding component are arranged on the same plane.

3. The lighting device according to claim 1, wherein The light transmission mechanism is arranged in a smooth transition on a side away from the light shading component.

4. The lighting device according to claim 1, wherein The shading assembly includes a first shading member and a second shading member, and the first shading member and the second shading member are symmetrically arranged along the irradiation direction of the light emitting member.

5. The lighting device according to claim 4, characterized in that The first light shielding member is provided with a first inclined surface and a second inclined surface; The first inclined surface and the second inclined surface are respectively arranged at one end of the first shading member close to the second shading member, the first inclined surface and the second inclined surface are connected, and the first inclined surface and the second inclined surface are respectively arranged at an angle to the plane where the gap is located.

6. The lighting device according to claim 5, characterized in that An included angle between the first inclined surface and the plane where the gap is located is greater than an included angle between the second inclined surface and the plane where the gap is located.

7. The lighting device according to claim 5, characterized in that The first inclined surface, the second inclined surface and the end portion of the first light shielding member are arranged in a smooth transition.

8. The lighting device according to claim 7, characterized in that The light transmission mechanism is provided with a recess, the recess is provided on a side of the light transmission mechanism close to the light emitting component, and the recess is provided in a direction away from the light emitting component.

9. The lighting device according to claim 1, wherein: The irradiation direction of the light emitting element is arranged perpendicular to the plane where the slit is located.

10. A vehicle, characterized in that: The invention comprises the lighting device according to any one of claims 1 to 9.