CN221004803U - Light guide structure of car light, car light and vehicle - Google Patents

Abstract

The utility model discloses a light guide structure of a car lamp, the car lamp and a car, the light guide structure of the car lamp comprises: the light reflecting area comprises a plurality of light reflecting bowls which are arranged along a second direction and staggered along the first direction, and the first direction is intersected with the second direction; the light guide structure is configured to enable light rays to sequentially pass through the pattern light guide surface and the light emitting surface and then to be emitted after being reflected by the plurality of reflecting bowls. According to the light guide structure of the car lamp, the plurality of reflecting bowls form an inclined step structure, the propagation direction of light can be greatly expanded through reflection and refraction of the patterned light guide surface, the reflecting bowls and the like on the light, so that a car lamp effect with good light uniformity is obtained, the requirements of the special-shaped car lamp on light uniformity are met, and visual sensory experience of customers and markets on the light uniformity is optimized.

Description

Light guide structure of car light, car light and vehicle

Technical Field

The utility model relates to the technical field of car lamps, in particular to a light guide structure of a car lamp, the car lamp and a car.

Background

The lamp is more concise in modeling due to the influence of a bulb or a traditional Light Emitting Diode (LED) arrangement structure, space, heat dissipation requirement and the like, but with the popularization of an LED illumination mode, the functional arrangement of the internal space of the lamp is more pursued to be unified with the beauty, so that the application of an innovative form of a light guide structure such as a thick-wall light guide in a car lamp is promoted.

In the technical scheme of the front and rear combined lamp of the automobile, in order to realize the more uniform functional effect of a position lamp or a daytime running lamp, an LED is often adopted to emit light, and a light guide structure is used as a light transmission medium, but along with the richness and individuation of lamp modeling design, the traditional light guide structure form cannot meet the uniformity requirement of light source conduction, and cannot meet the visual and sensory experience of customers and markets.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a light guiding structure of a vehicle lamp, which is beneficial to meeting the uniformity requirement of light source conduction and optimizing the visual and organoleptic experience of customers and markets on light uniformity.

Another object of the present utility model is to provide a vehicle lamp having the light guiding structure of the vehicle lamp.

Another object of the present utility model is to propose a vehicle with a lamp as described above.

The light guide structure of the car lamp provided by the embodiment of the utility model is provided with the light reflecting area, at least one pattern light guide surface and a light emitting surface which are sequentially arranged along a first direction, wherein the light reflecting area comprises a plurality of light reflecting bowls which are arranged along a second direction and staggered along the first direction, and the first direction is intersected with the second direction; the light guide structure is configured to enable light rays to sequentially pass through the pattern light guide surface and the light emitting surface after being reflected by the reflecting bowls.

According to the light guide structure of the car lamp, the plurality of reflecting bowls form an inclined step structure, the propagation direction of light can be greatly expanded through reflection and refraction of the patterned light guide surface, the reflecting bowls and the like on the light, so that a car lamp effect with good light uniformity is obtained, the requirements of the special-shaped car lamp on light uniformity are met, and visual sensory experience of customers and markets on the light uniformity is optimized.

In addition, the light guide structure of the vehicle lamp according to the above embodiment of the present utility model may further have the following additional technical features:

according to some embodiments of the utility model, in the second direction, two adjacent reflecting bowls are connected by a connecting surface, and the connecting surface is inclined along the second direction and in a direction close to the pattern light guiding surface.

According to some embodiments of the utility model, the light guiding structure further includes a light incident surface, the light incident surface is located at one side of the light reflecting area along a third direction, and the first direction and the second direction both intersect with the third direction.

According to some embodiments of the utility model, the light guiding structure is provided with a groove along at least one side of a third direction, the groove is provided with two groove side surfaces opposite along the first direction, at least one groove side surface is the pattern light guiding surface, and the first direction and the second direction are intersected with the third direction.

According to some embodiments of the utility model, the groove extends in a second direction as an elongated groove; and/or the width of the groove along the first direction is firstly reduced and then increased from one end to the other end of the second direction.

According to some embodiments of the utility model, at least part of the slot edges of the grooves are provided with reinforcing ribs.

According to some embodiments of the utility model, the pattern light guiding surface is a serrated surface and includes a plurality of teeth arranged along a second direction, the teeth extending along a third direction, the first and second directions each intersecting the third direction.

According to some embodiments of the utility model, the light emitting surface is provided with a pattern structure.

The vehicle lamp according to the embodiment of the utility model comprises the light guide structure of the vehicle lamp according to the embodiment of the utility model.

The vehicle according to the embodiment of the utility model comprises the vehicle lamp according to the embodiment of the utility model.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a partially exploded view of a vehicle lamp according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a light guiding structure according to an embodiment of the present utility model;

fig. 3 is a partial structural sectional view of a vehicle lamp according to an embodiment of the present utility model;

Fig. 4 is a cross-sectional view of a light guiding structure according to an embodiment of the present utility model.

Reference numerals:

A light guiding structure 100; a light distribution surface 200; a light guide holder 300; a PCB 400; a light source 410;

A light reflecting region 10; a reflector 11; a connection surface 12;

A patterned light guide surface 20; a groove 21; a groove side surface 22; reinforcing ribs 23;

A light-emitting surface 30; a light inlet surface 40; a protrusion 50.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, "a first feature" may include one or more such features, and "a plurality" may mean two or more, and that a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween, with the first feature "above", "over" and "above" the second feature including both the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

A light guide structure 100 of a vehicle lamp according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1 to 4, a light guide structure 100 of a vehicle lamp according to an embodiment of the present utility model has a light reflecting region 10, at least one patterned light guide surface 20, and a light emitting surface 30 sequentially arranged along a first direction.

Specifically, the light reflecting area 10 includes a plurality of light reflecting bowls 11, where the plurality of light reflecting bowls 11 are arranged along the second direction and staggered along the first direction, and the light guiding structure 100 is configured such that light rays reflected by the plurality of light reflecting bowls 11 sequentially pass through the patterned light guiding surface 20 and the light emitting surface 30 and are emitted. The reflecting bowls 11 form an inclined step structure, so that the requirements of enriching and individuating the modeling design of the car lamp can be met; and, the propagation direction of the light reflected by the reflecting bowls 11 is expanded, and then the propagation direction of the light is further expanded by the refraction of the patterns on the pattern light guiding surface 20, so as to improve the uniformity of light distribution. The light is reflected and refracted by the reflecting bowl 11 and the pattern light guide surface 20 and then is emitted from the light emitting surface 30, so that a car light effect with good light uniformity can be obtained, and the requirement of light uniformity of the special-shaped car light can be met.

The light guiding structure 100 may be, but is not limited to, a thick-wall light guide, which has a thick wall, is easy to mold to obtain the structures of the reflective bowl 11, the patterned light guiding surface 20, and the like, and is not easy to break, so that the practicality is high.

The special-shaped modeling car lamp has rich and various modeling designs, such as larger inclined plane, higher height drop and the like. According to the application, the design requirement of the special-shaped modeling is met by arranging the reflecting bowls 11 which are arranged in the steps, and the light is reflected and refracted by arranging the pattern light guide surface 20, the reflecting bowls 11 and the like, so that the propagation direction of the light is greatly expanded, the light is uniformly emitted from a plurality of directions, the problem of uneven light distribution in the special-shaped modeling car lamp is effectively weakened, the problems of light spots and the like possibly caused by the step structure can be particularly improved, the light and shade consistency effect of the lamp is enhanced, and the visual sense experience of customers and markets on the uniformity of the lamp is optimized.

The pattern light guiding surface 20 is a non-planar surface and has a pattern such as a certain concave-convex change, and the pattern is used for multi-directionally refracting light so that the light in the area with strong light can be diffused to the area with weak light, thereby balancing the intensity of the light in each area. The shape and number of the patterns of the pattern light guiding surface 20 are not limited, for example, the patterns of the pattern light guiding surface 20 may be saw-tooth, diamond-shaped, etc., and the pattern light guiding surface 20 may be one, two or more, and the utility model is not limited thereto, and light may be refracted.

In addition, the reflecting bowl 11 and the light emitting surface 30 can be provided with patterns according to the requirement, so that the light propagation direction is increased, and the uniformity of the lamplight is enhanced, which are all within the protection scope of the utility model.

The first direction intersects the second direction. For example, the first direction may be perpendicular to the second direction, and for example, the first direction and the second direction may be at an acute angle, so that the first direction and the second direction may intersect. For example, the first direction may be a front-back direction, and the second direction may be a left-right direction.

According to the light guide structure 100 of the car lamp provided by the embodiment of the utility model, the plurality of reflecting bowls 11 form an inclined step structure, and the propagation direction of light rays can be greatly expanded through reflection and refraction of the pattern light guide surface 20, the reflecting bowls 11 and the like on the light rays, so that a car lamp effect with better light uniformity is obtained, the requirements of the special-shaped car lamp on light uniformity are met, and the visual and organoleptic experience of customers and markets on the light uniformity is optimized.

In some embodiments of the present utility model, as shown in fig. 2, in the second direction, two adjacent light reflecting bowls 11 are connected by the connecting surface 12, and the connecting surface 12 is inclined along the second direction and towards the direction close to the pattern light guiding surface 20, so as to facilitate increasing the distance between the two adjacent light reflecting bowls 11 in the first direction and the second direction, and facilitate adapting to the special-shaped modeling requirements of the vehicle lamp, such as large inclined plane, high drop, etc., so that the vehicle lamp can realize enriching of modeling while meeting the light uniformity requirements, and improve the user experience of customers.

In some embodiments of the present utility model, as shown in fig. 3-4, the light guiding structure 100 further includes a light inlet surface 40, and light enters the light guiding structure 100 through the light inlet surface 40. The light incident surface 40 is located at one side of the light reflecting area 10 along the third direction, and the first direction and the second direction both intersect with the third direction. For example, the first direction, the second direction and the third direction are perpendicular to each other, and for example, the first direction, the second direction and the third direction form acute angles with each other, so that the first direction, the second direction and the third direction can intersect with each other. For example, the first direction may be a front-back direction, the second direction may be a left-right direction, the third direction may be an up-down direction, and the light incident surface 40 is located on the upper side or the lower side of the light reflecting area 10.

The light inlet surface 40 adopts the above arrangement manner, so that the light emitting elements are conveniently arranged on one side of the light guide structure 100 along the third direction, so that the side space of the light guide structure 100 along the third direction is fully utilized, and the space arrangement is convenient.

In some embodiments of the present utility model, as shown in fig. 2-4, at least one side of the light guiding structure 100 along the third direction is provided with a groove 21, the groove 21 has two groove sides 22 opposite along the first direction, wherein at least one groove side 22 is a patterned light guiding surface 20, and the first direction and the second direction both intersect with the third direction. The light reflected from the light reflecting region 10 can be more directly directed to the groove side 22 of the groove 21 and refracted, which is advantageous to improve the efficiency of homogenizing the light, and the uniformity effect of the lamp light of the vehicle lamp is more remarkable. In addition, the patterned light guide surface 20 is obtained by arranging the grooves 21, the processing technology is simple, the manufacturing cost and the manufacturing period of the light guide structure 100 can be effectively reduced by arranging the grooves 21, the weight of a product can be reduced, and the economic benefit and the practicability of the light guide structure 100 are improved. The number of the grooves 21 is adjusted so as to obtain any required number of pattern light guide surfaces 20 on the premise of not changing the overall structure and the size of the light guide structure 100 and not additionally increasing components, which is beneficial to reducing the cost.

Wherein, one or more grooves 21 are disposed on any side of the light guiding structure 100 along the third direction, or one or more grooves 21 are disposed on two sides of the light guiding structure 100 along the third direction, and each groove 21 has one or two patterned light guiding surfaces 20, which are all within the protection scope of the present utility model.

In some embodiments, as shown in fig. 2, the groove 21 extends in the second direction as an elongated groove. The long side of recess 21 corresponds the setting with reflection of light region 10, and a plurality of reflector 11 are arranged along the second direction, make decorative pattern light guide surface 20 can diffuse the light of the regional 10 of reflection of light in the bigger scope, realize the homogeneity of the light that corresponds with the regional 10 of bigger scope, and it is better to improve the effect of whole car light-emitting homogeneity.

In some embodiments, as shown in fig. 2, the width of the groove 21 in the first direction decreases and then increases from one end to the other end in the second direction. The patterned light guide surface 20 in the groove 21 can form an arc surface shape, which is beneficial to the light to realize multidirectional propagation, so that the light diffusion direction is wider, and the uniformity effect of the light is enhanced.

In some embodiments, as shown in fig. 2, at least part of the edges of the notch of the groove 21 is provided with a reinforcing rib 23, which can strengthen the structural strength of the light guiding structure 100, reduce the possibility of bending the light guiding structure 100, and prolong the service life of the light guiding structure 100 to a certain extent. And the risk that the light propagation direction is affected due to the deformation of the light guide structure 100 is reduced, and the working reliability of the light guide structure 100 is improved. Meanwhile, the reinforcing ribs 23 are arranged on the notch of the groove 21, so that the groove 21 and the reinforcing ribs 23 can be processed together, and the light guide structure 100 is easier to process and manufacture.

In some embodiments of the present utility model, as shown in fig. 2, the patterned light guiding surface 20 is a serrated surface and includes a plurality of teeth arranged along a second direction, the teeth extending along a third direction and having surfaces with different inclination angles with respect to the second direction, and the first direction and the second direction both intersect with the third direction. The light rays of the different regions are directed to the corresponding positions of the corresponding teeth of the respective regions, and then the light rays are refracted toward the light emitting surface 30 through the teeth, so that the light rays can be diffused, and the light rays can be distributed more uniformly.

In some embodiments of the present utility model, as shown in fig. 2, the light emitting surface 30 is provided with a patterned structure to increase the reflection or refraction times of the light and expand the propagation direction of the light, so as to enhance the uniformity effect of the light.

Specifically, the pattern structure of the light exit surface 30 may be the same as or different from that of the pattern light guide surface 20. For example, in some embodiments where the pattern structure of the light-emitting surface 30 is the same as the pattern structure of the pattern light-guiding surface 20, the same processing technology can be used to process and manufacture the pattern structures of the light-emitting surface 30 and the pattern light-guiding surface 20, so that the processing complexity is simplified and the manufacturability of the light-guiding structure 100 is enhanced. In some embodiments where the pattern structure of the light-emitting surface 30 is different from the pattern light-guiding surface 20, the different pattern structures can make up the light of the light-guiding structure 100 in multiple directions, so as to further enhance the uniformity effect of the light.

The vehicle lamp according to the embodiment of the utility model comprises the light guiding structure 100 of the vehicle lamp according to the embodiment of the utility model. Because the light guide structure 100 of the vehicle lamp according to the embodiment of the utility model has the beneficial technical effects, the multiple reflecting bowls 11 form an inclined step structure, and the light propagation direction can be greatly expanded through reflection and refraction of the pattern light guide surface 20, the reflecting bowls 11 and the like on light, so that the vehicle lamp effect with better light uniformity is obtained, the light uniformity requirement of the vehicle lamp with special-shaped model is met, and the visual and organoleptic experience of customers and markets on the light uniformity is optimized.

In some embodiments, as shown in fig. 1 and 3, the vehicle lamp further includes a light distribution surface 200, a light guide bracket 300, and a PCB (printed circuit board) 400, and a light source 410 is disposed on the PCB 400. Specifically, the light distribution surface 200 is configured to receive the light emitted from the light emitting surface 30 and emit the light to present the light effect of the vehicle lamp. The light guide bracket 300 is used for supporting the light guide structure 100 to limit the position of the light guide structure 100, reduce the possibility of poor brightness or uniformity of the lamp light of the car light due to shaking or the like of the light guide structure 100, and strengthen the reliability of the light guide structure 100 in acting on light. The light source 410 is configured to provide light, and the light source 410 may be an LED, which is not limited in the present utility model and may provide light.

The vehicle according to the embodiment of the utility model comprises the vehicle lamp according to the embodiment of the utility model. Because the car lamp according to the embodiment of the utility model has the beneficial technical effects, according to the car of the embodiment of the utility model, the plurality of reflecting bowls 11 form an inclined step structure, the propagation direction of light rays can be greatly expanded through reflection and refraction of the light rays by the pattern light guide surface 20, the reflecting bowls 11 and the like, so that the car lamp effect with better light uniformity is obtained, the requirements of the special-shaped car lamp on light uniformity are met, and the visual and organoleptic experience of customers and markets on the light uniformity is optimized.

The light guide structure 100 of the vehicle lamp and the vehicle lamp according to one embodiment of the present utility model will be described in detail with reference to the accompanying drawings, it being understood that the following description is merely illustrative and is not to be construed as limiting the utility model.

As shown in fig. 1 to 4, a lamp for a vehicle according to an embodiment of the present utility model includes a light guide structure 100, a light distribution surface 200, a light guide bracket 300, and a PCB 400. The light guiding structure 100 includes a light reflecting area 10, a patterned light guiding surface 20, a light emitting surface 30, a light incident surface 40 and protrusions 50.

The PCB 400 is provided with a light source 410, and the light source 410 is an LED lamp. The light reflecting area 10 comprises a plurality of light reflecting bowls 11 and a connecting surface 12, and two adjacent light reflecting bowls 11 are connected through the connecting surface 12. The light guide structure 100 is provided with a groove 21, the groove 21 is provided with two groove side surfaces 22, the two groove side surfaces 22 are pattern light guide surfaces 20, and the edge of the notch of the groove 21 is provided with a reinforcing convex rib 23. The light-emitting surface 30 is provided with a pattern structure. The protrusion 50 serves to limit the installation position of the PCB 400.

When the vehicle lamp starts to work, the light source 410 is driven by the PCB 400 to excite white light, the light enters the light guiding structure 100 through the light inlet surface 40 and is directed to the reflective area 10, and after being reflected by the reflective bowls 11, the light is directed to the pattern light guiding surface 20 of the groove 21 and is refracted for the first time and then enters the space of the groove 21. After entering the groove 21, the light diffuses in the groove 21 and irradiates the other pattern light guiding surface 20 of the groove 21 to generate second refraction, then the light enters the light guiding structure 100 and continues to diffuse in the light guiding structure 100, and the light at the moment diffuses more than the light in the groove 21, so that the light inside the light guiding structure 100 can be polished to improve the light and dark light spot problem possibly occurring in the light guiding structure 100. After entering the light guide structure 100 through the groove 21, the light is diffused in the light guide structure 100 and is emitted to the light emitting surface 40 to be refracted for the third time, and the light can be emitted to the light distribution surface 200 more uniformly, so that the uniformity of the light effect of the vehicle lamp is improved.

Other constructions and operation of the vehicle lamp and vehicle according to embodiments of the utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description herein, reference to the terms "embodiment," "specific embodiment," "example," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A light guide structure of a car lamp is characterized in that the light guide structure is provided with a light reflecting area, at least one pattern light guide surface and a light emitting surface which are sequentially arranged along a first direction,

The light reflecting area comprises a plurality of light reflecting bowls which are distributed along a second direction and staggered along the first direction, and the first direction is intersected with the second direction;

The light guide structure is configured to enable light rays to sequentially pass through the pattern light guide surface and the light emitting surface after being reflected by the reflecting bowls.

2. The light guide structure of a vehicle lamp according to claim 1, wherein in the second direction, two adjacent reflecting bowls are connected by a connecting surface, and the connecting surface is inclined in the second direction and in a direction approaching the pattern light guide surface.

3. The light guide structure of a vehicle lamp according to claim 1, further comprising a light entrance surface, the light entrance surface being located at a side of the light reflection area along a third direction, the first direction and the second direction intersecting the third direction.

4. A light guide structure of a vehicle lamp according to claim 1, wherein at least one side of the light guide structure in a third direction is provided with a groove having two groove sides opposing in the first direction, wherein at least one of the groove sides is the patterned light guide surface, and wherein both the first direction and the second direction intersect with the third direction.

5. The light guide structure of a vehicle lamp according to claim 4, wherein the groove extends in a second direction as an elongated groove; and/or the number of the groups of groups,

The width of the groove along the first direction is firstly reduced and then increased from one end to the other end of the second direction.

6. The light guide structure of a vehicle lamp according to claim 4, wherein at least part of the notch edges of the groove are provided with reinforcing ribs.

7. The light guide structure of a vehicle lamp according to claim 1, wherein the patterned light guide surface is a serrated surface and includes a plurality of teeth arranged in a second direction, the teeth extending in a third direction, the first direction and the second direction each intersecting the third direction.

8. The light guide structure of a vehicle lamp according to any one of claims 1 to 7, wherein the light exit surface is provided with a pattern structure.

9. A vehicle lamp, characterized by comprising the light guide structure of a vehicle lamp according to any one of claims 1 to 8.

10. A vehicle characterized by comprising the lamp according to claim 9.