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CN-121993757-A - Light source device and vehicle

CN121993757ACN 121993757 ACN121993757 ACN 121993757ACN-121993757-A

Abstract

The application provides a light source device and a vehicle, wherein the light source device comprises a light source assembly, an isolation assembly and a light source assembly, wherein the light source assembly comprises a plurality of light source elements which are arranged at intervals, the isolation assembly covers the plurality of light source elements, the isolation assembly comprises a protective layer structure, a light-transmitting layer structure and a diffusion layer structure which are arranged in a stacked mode along a first direction, the diffusion layer structure is attached to the light source assembly, projections of the plurality of light source elements all fall in a projection range of the diffusion layer structure along a plane perpendicular to the first direction, at least part of the light-transmitting layer structure is formed in a vapor deposition mode, and the light transmittance of the light-transmitting layer structure is more than 70%. The light source device and the vehicle have good light transmission effect, uniform light emitting surface and soft brightness, can avoid direct irradiation to eyes of an observer when the light source element is started, and can avoid exposure of the light source element body when the light source element is closed, so that aesthetic feeling and integrity of the whole vehicle design are ensured.

Inventors

  • LI SHUBO

Assignees

  • 上海理想汽车科技有限公司

Dates

Publication Date
20260508
Application Date
20241105

Claims (10)

  1. 1. A light source device, comprising: a light source assembly (10) comprising a plurality of light source elements (11) arranged at intervals; The isolation assembly (20) covers a plurality of light source elements (11), the isolation assembly (20) comprises a protective layer structure (21), a light-transmitting layer structure (22) and a diffusion layer structure (23) which are stacked along a first direction (X), the diffusion layer structure (23) is attached to the light source assembly (10), projections of a plurality of light source elements (11) are all located in a projection range of the diffusion layer structure (23) along a plane perpendicular to the first direction (X), at least part of the light-transmitting layer structure (22) is formed in a vapor deposition mode, and the light transmittance of the light-transmitting layer structure (22) is greater than 70%.
  2. 2. The light source device according to claim 1, wherein the light-transmitting layer structure (22) comprises a light-transmitting layer (221) and a base layer (222) which are stacked, the light-transmitting layer (221) is deposited on the surface of the base layer (222) by vapor deposition, the material of the light-transmitting layer (221) comprises metal, and the base layer (222) is in bonding connection with the diffusion layer structure (23).
  3. 3. The light source device according to claim 2, wherein the light-transmitting layer structure (22) further comprises a first protective layer (223) and a second protective layer (224) which are laminated with the light-transmitting layer (221), the first protective layer (223) is bonded to the protective layer structure (21), the second protective layer (224) is disposed between the first protective layer (223) and the light-transmitting layer (221), the thickness of the second protective layer (224) along the first direction (X) is smaller than the thickness of the first protective layer (223) along the first direction (X), the thickness of the protective layer structure (21) along the first direction (X) is larger than the thickness of the first protective layer (223) along the first direction (X), and the thickness of the protective layer structure (21) is in the range of 1mm to 2mm.
  4. 4. A light source device according to claim 1, wherein the material of the diffusion layer structure (23) comprises at least one of polytetrafluoroethylene, polyurethane and polycarbonate.
  5. 5. A light source device according to claim 1, characterized in that the light transmittance of the diffusion layer structure (23) ranges from 87% to 99%, and the haze of the diffusion layer structure (23) ranges from 84% to 89.5%.
  6. 6. The light source device according to claim 1, wherein the light source assembly (10) further comprises a base (12), a circuit board (13) and an inner plate (14), a plurality of the light source elements (11) are mounted on the circuit board (13) and electrically connected with the circuit board (13), the circuit board (13) is mounted between the base (12) and the inner plate (14), and the inner plate (14) is bonded with the diffusion layer structure (23).
  7. 7. The light source device according to claim 6, wherein the inner plate (14) includes a light guide plate (141) and a protective structure (142), the projection of the plurality of light source elements (11) is entirely within the projection range of the light guide plate (141) along a plane perpendicular to the first direction (X), the protective structure (142) is disposed surrounding the light guide plate (141), and the light guide plate (141) and the protective structure (142) are molded by means of two-shot molding.
  8. 8. The light source device according to claim 7, wherein the protection structure (142) is attached to the diffusion layer structure (23), the light guide plate (141) is disposed at a distance from the diffusion layer structure (23) along the first direction (X), and a light mixing distance D is 3mm and less than or equal to 5mm between the light guide plate (141) and the diffusion layer structure (23).
  9. 9. The light source device according to claim 7, wherein the light guide plate (141) has a plurality of mounting brackets (143) protruding toward the partition member (20), a plurality of the mounting brackets (143) being disposed opposite to the plurality of the light source elements (11), each of the light source elements (11) being mounted in a corresponding mounting bracket (143).
  10. 10. A vehicle comprising the light source device according to any one of claims 1 to 9.

Description

Light source device and vehicle Technical Field The application relates to the technical field of vehicles, in particular to a light source device and a vehicle. Background Inside the vehicle cabin there are typically a number of light source arrangements for functional indication or for atmosphere promotion. In order to increase the user's use experience, the welcome pedal department can set up the welcome lamp, and the welcome lamp not only can outstanding the brand characteristic of vehicle, can also provide safe illumination when the user gets on the bus at night, avoids the user to step on the sky and the condition that the injury appears. At present, light source devices such as welcome lamps in vehicles generally adopt a structure that an LED lamp, a light guide plate and a double-shot molding outer panel are combined, the light emitted by the LED lamp can be directly LED out by the light guide device to form direct light with higher brightness, the eyes of an observer are injured, modeling light can be emitted through a light emitting surface at night, modeling patterns can be reserved in daytime, but the aesthetic feeling of the whole vehicle can be influenced by the excessively-shaped appearance in daytime, and the design integrity of the whole vehicle is influenced. Disclosure of Invention The light source device and the vehicle provided by the application have good light transmission effect, uniform light emitting surface and soft brightness, can prevent direct irradiation to eyes of an observer when the light source element is started, and can prevent the light source element body from being exposed when the light source element is closed, so that the aesthetic feeling and the integrity of the whole vehicle design are ensured. The application provides a light source device which comprises a light source assembly and an isolation assembly, wherein the light source assembly comprises a plurality of light source elements which are arranged at intervals, the isolation assembly covers the plurality of light source elements and comprises a protective layer structure, a light-transmitting layer structure and a diffusion layer structure which are arranged in a stacked mode along a first direction, the diffusion layer structure is attached to the light source assembly, projections of the plurality of light source elements are all in the projection range of the diffusion layer structure along a plane perpendicular to the first direction, at least part of the light-transmitting layer structure is formed in a vapor deposition mode, and the light transmittance of the light-transmitting layer structure is more than 70%. The light source device comprises a light-transmitting layer and a base layer, wherein the light-transmitting layer and the base layer are arranged in a laminated mode, the light-transmitting layer is deposited on the surface of the base layer in a vapor deposition mode, the material of the light-transmitting layer comprises metal, and the base layer is attached to the diffusion layer structure. The light source device comprises a light-transmitting layer structure, a first protective layer and a second protective layer, wherein the light-transmitting layer structure further comprises the first protective layer and the second protective layer which are laminated with the light-transmitting layer, the first protective layer is connected with the protective layer structure in a lamination mode, the second protective layer is arranged between the first protective layer and the light-transmitting layer, the thickness of the second protective layer along the first direction is smaller than that of the first protective layer, the thickness of the protective layer structure along the first direction is larger than that of the first protective layer along the first direction, and the thickness range of the protective layer structure is 1mm to 2mm. In the light source device, the material of the diffusion layer structure comprises at least one of polytetrafluoroethylene, polyurethane and polycarbonate. The light source device as above, wherein the light transmittance of the diffusion layer structure is in a range of 87% to 99%, and the haze of the diffusion layer structure is in a range of 84% to 89.5%. The light source device comprises a light source assembly, a diffusion layer structure, a base, a circuit board and an inner plate, wherein the light source assembly further comprises the base, the circuit board and the inner plate, a plurality of light source elements are arranged on the circuit board and are electrically connected with the circuit board, the circuit board is arranged between the base and the inner plate, and the inner plate is in fit connection with the diffusion layer structure. The light source device as above, wherein the inner plate comprises a light guide plate and a protection structure, the projection of the plurality of light source elements is all in the projection range of