CN-224215164-U - Light guide component, optical module, car light and vehicle

CN224215164UCN 224215164 UCN224215164 UCN 224215164UCN-224215164-U

Abstract

The application discloses a light guide component, an optical module, a car lamp and a vehicle, wherein the light guide component comprises a light condensing part and a main body part, the light condensing part is configured to receive light, the main body part is provided with a reflecting surface and a light emitting surface which are oppositely arranged in the X-axis direction in a reference coordinate system, the reflecting surface is configured to reflect the light incident from the light condensing part to the light emitting surface, the main body part is provided with a cavity, the cavity is provided with a diffusion surface and a convergence surface which are oppositely arranged in the X-axis direction, and the diffusion surface is arranged between the reflecting surface and the convergence surface. By arranging the cavity on the main body part, the light-weight of the light guide component can be realized, the performance of the automobile is improved, the energy consumption of the automobile is reduced, and the light-weight design of the automobile is realized. The arrangement of the diffusion surface and the convergence surface on the cavity can ensure the brightness value of illumination (high luminous efficiency) and realize the effect of uniform light emission of the light guide component.

Inventors

LAN SONG
Huang Shengtie
Yin Fuqi
LI RONGJIAN
YU WENHAO

Assignees

南宁燎旺车灯股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250506

Claims (10)

1. A light guide member, comprising: A light condensing part configured to receive light, and A main body portion having a reflective surface and a light-emitting surface disposed opposite to each other in an X-axis direction in a reference coordinate system, the reflective surface being configured to reflect light incident from the light-condensing portion to the light-emitting surface, the X-axis direction being parallel to a main light-emitting direction of the light guide member; The main body part is equipped with the cavity, the cavity has diffusion face and the face of gathering of relative setting in X axle direction, the diffusion face set up in between the reflecting surface with the face of gathering.
2. The light guide member according to claim 1, Setting a datum line a perpendicular to the X-axis direction; One of two side surfaces of the main body part which are oppositely arranged in the extending direction of the datum line a is penetrated by the cavity; In the direction of the side surface which is not penetrated towards the side surface which is penetrated, the distance between the diffusion surface and the convergence surface in the X-axis direction is gradually increased.
3. The light guide member according to claim 2, wherein, The included angle between the diffusion surface and the datum line a is alpha, which is more than or equal to 3 degrees and less than or equal to 5 degrees, and/or, The included angle between the converging surface and the datum line a is beta, and the beta is more than or equal to 3 degrees and less than or equal to 5 degrees.
4. The light guide member according to claim 2, wherein, The cavities are arranged at intervals along the X-axis direction, and the two cavities penetrate through the same side face.
5. The light guide member according to claim 2, wherein, The cavities are arranged at intervals along the X-axis direction, and the two cavities respectively penetrate through different side surfaces.
6. The light guide member according to claim 1, The diffusion surface is provided with vertical strip diffusion patterns, and the convergence surface is provided with vertical strip convergence patterns.
7. The light guide member according to claim 1, The surface of the light-emitting surface is provided with diffusion patterns and dermatoglyph.
8. An optical module comprising the light guide member according to any one of claims 1 to 7; The optical module further comprises a printed circuit board, wherein the printed circuit board is provided with lamp beads, the lamp beads are arranged at the focus of the light gathering part, and the printed circuit board is fixedly arranged on the light guide component.
9. A vehicle lamp comprising the optical module of claim 8.
10. A vehicle comprising the vehicle lamp of claim 9.

Description

Light guide component, optical module, car light and vehicle Technical Field The application relates to the technical field of vehicle illumination, in particular to a light guide component, an optical module, a car lamp and a vehicle. Background In recent years, the rapid development of electric and intelligent technologies in the automobile industry has the advantages of enhancing environmental awareness and increasing energy crisis, automobile products with excellent energy saving effect and high energy utilization rate have better market prospect, and automobile lightweight design is one of means for improving automobile performance and reducing energy consumption. In the prior art, the whole weight of the car lamp is large, and the lightweight design of the car is not facilitated. Accordingly, improvements in the art are needed. Disclosure of utility model The application aims to at least solve one of the technical problems in the prior art and provides a light guide component, an optical module, a car lamp and a vehicle. According to one aspect of the application, the light guide component comprises a light condensing part and a main body part, wherein the light condensing part is configured to receive light, the main body part is provided with a reflecting surface and a light emitting surface which are oppositely arranged in the X-axis direction in a reference coordinate system, the reflecting surface is configured to reflect the light incident from the light condensing part to the light emitting surface, the X-axis direction is parallel to the main light emitting direction of the light guide component, the main body part is provided with a cavity, and the cavity is provided with a diffusion surface and a convergence surface which are oppositely arranged in the X-axis direction, and the diffusion surface is arranged between the reflecting surface and the convergence surface. In one embodiment, a reference line a perpendicular to the X-axis direction is set, one of two side surfaces of the main body part which are oppositely arranged in the extending direction of the reference line a is penetrated by the cavity, and the distance between the diffusion surface and the convergence surface in the X-axis direction is gradually increased in the direction of the side surface which is not penetrated towards the side surface which is penetrated. In one embodiment, the included angle between the diffusion surface and the datum line a is alpha, and the included angle is 3 degrees less than or equal to alpha less than or equal to 5 degrees, and/or the included angle between the convergence surface and the datum line a is beta, and the included angle is 3 degrees less than or equal to beta less than or equal to 5 degrees. In one embodiment, two cavities are arranged at intervals along the X-axis direction, and the two cavities penetrate through the same side face. In one embodiment, two cavities are arranged at intervals along the X-axis direction, and the two cavities respectively penetrate through different side surfaces. In one embodiment, the diffusing surface is provided with a vertical bar diffusing pattern, and the converging surface is provided with a vertical bar converging pattern. In one embodiment, the surface of the light-emitting surface is provided with a diffusion pattern and a dermatoglyph. According to another aspect of the present application, there is provided an optical module including any one of the light guide members described above. According to another aspect of the present application, there is provided a vehicle lamp comprising the aforementioned optical module. According to another aspect of the present application, there is provided a vehicle comprising the aforementioned lamp. The light guide component has the beneficial effects that the light guide component can be light-weighted by arranging the cavity on the main body part, so that the automobile performance is improved to a certain extent, the automobile energy consumption is reduced, and the light-weighted design of the automobile is realized. In addition, the light reflected from the reflecting surface is diffused and converged by the diffusing surface and then emitted from the light emitting surface through the converging surface of the cavity in the X-axis direction, the light is diffused by the diffusing surface, the uniformity of the emitted light is improved, the light is reduced to be transmitted to a non-lighting area after being converged by the converging surface, the light is converged and reentered into the main body part, the light flux is prevented from being reduced, the illumination brightness is prevented from being reduced, and the luminance value (high luminous efficiency) of illumination can be ensured and the uniform luminous effect of the light guide component can be realized through the arrangement of the diffusing surface and the converging surface on the cavity. Drawings The technical solution and other