CN115949900A

CN115949900A - Light guide wall, light module and vehicle

Info

Publication number: CN115949900A
Application number: CN202211215318.2A
Authority: CN
Inventors: 杨旭; 丁明武; 梁文清
Original assignee: Mind Electronics Appliance Co Ltd
Current assignee: Mind Electronics Appliance Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-04-11

Abstract

The application relates to the field of car lamps, in particular to a light guide wall, a light module and a car. The light guide wall is in a cylindrical shape, the inside of the light guide wall comprises a first wall surface and a second wall surface, the top of the light guide wall is provided with a light outlet surface, the bottom of the first wall surface is provided with a conical surface, the bottom of the second wall surface is provided with a light gathering structure, the conical surface is positioned in the middle of the bottom of the first wall surface, the light gathering structure is positioned in the middle of the bottom of the second wall surface, the light gathering structure faces the conical surface, the bottom of the second wall surface is provided with a ring surface, the ring surface is circumferentially arranged in the light gathering structure, the ring surface inclines towards the top of the light guide wall, a light source can enter from the light gathering structure and is totally reflected by the conical surface, and the ring surface guides light after the conical surface is totally reflected to the light outlet surface. According to light guide wall, light module and vehicle of this application to solved current car light module and in order to reach the even effect of optics, optical structure and circuit are complicated, and need great inner space to arrange the problem of LED.

Description

Light guide wall, light module and vehicle

Technical Field

The application relates to the field of car lamps, in particular to a light guide wall, a light module and a car.

Background

With the development and increasing demand of the industry, more car lamps in the aspect of modeling are pursuing individuality and small space. However, to achieve different forms of lighting effects, especially when a light outlet of a signal lamp is complex, the required optical structure becomes more and more complex, the number of LEDs used becomes more and more, and the cost of the product becomes higher and more accordingly.

According to the traditional technical scheme, a thick-wall light guide is usually arranged on the inner side of a face mask, in order to pursue a better optical uniform effect, a light homogenizing sheet is arranged behind the thick-wall light guide, and the required optical effect is achieved through a direct emitting mode of a plurality of LEDs.

In contrast, the existing car lamp module structure has too many LEDs, and the optical structure and the circuit are complex, and the LEDs need to be arranged in a larger internal space.

Disclosure of Invention

The utility model provides a purpose is to provide a leaded light wall, light module and vehicle to solved current car light module and in order to reach the even effect of optics, optical structure and circuit are complicated, and need great inner space to arrange the problem of LED.

According to the first aspect of the application, a light guide wall is provided, the light guide wall is the tube-shape, the inside of light guide wall includes first wall and second wall, the top of light guide wall is provided with out the plain noodles, the bottom of first wall is provided with the conical surface, the bottom of second wall is provided with spotlight structure, the conical surface is located the middle part of the bottom of first wall, spotlight structure is located the middle part of the bottom of second wall, spotlight structure with the conical surface sets up relatively each other, the bottom of second wall is provided with the anchor ring, the anchor ring along circumference set up in spotlight structure's outer fringe, the outer fringe of anchor ring for the inner edge of anchor ring to the top slope of light guide wall, the light source can by spotlight structure gets into, the warp the conical surface takes place the total reflection, the anchor ring will light direction after the conical surface total reflection go out the plain noodles.

In any of the above technical solutions, further, a cylindrical portion is disposed between the top and the bottom of the light guide wall, so that the light guide wall is cylindrical, the thickness of the cylindrical portion gradually increases from the top to the bottom, and the ring surface faces the inside of the cylindrical portion.

In any of the above technical solutions, further, the tapered surface is provided with a plurality of continuous protrusions.

In any of the above technical solutions, further, the light emitting surface is provided with a pattern portion.

In any of the above technical solutions, further, the light converging structure is formed as a protrusion, and the protrusion protrudes from the second wall surface to the tapered surface.

According to a second aspect of the present application, there is provided a light module comprising a light guiding wall as described above.

In any of the above technical solutions, further, the light module further includes a circuit board and a lamp, the circuit board is connected to the bottom of the light guide wall, the lamp is connected to the circuit board, and the lamp faces the light gathering structure.

In any of the above technical solutions, further, the light module further includes a housing and a lamp cover, the housing cover is disposed on the light guide wall, and the lamp cover is connected to the housing and located at the top of the light emitting surface.

The light module further comprises a lining body, wherein the lining body is arranged in the barrel part and covers the conical surface.

According to a third aspect of the present application, there is provided a vehicle comprising a light module as described above.

According to the utility model provides a light guide wall, light guide wall is the tube-shape, light guide wall's inside includes first wall and second wall, light guide wall's top is provided with out the plain noodles, wherein, the bottom of first wall is provided with the conical surface, the bottom of second wall is provided with spotlight structure, the conical surface is located the middle part of the bottom of first wall, spotlight structure is located the middle part of the bottom of second wall, spotlight structure is to the conical surface, the bottom of second wall is provided with the anchor ring, anchor ring circumference sets up in spotlight structure, the anchor ring inclines to light guide wall's top, the light source can be got into by spotlight structure, take place the total reflection through the conical surface, the anchor ring leads out the plain noodles with the light after the conical surface total reflection.

That is to say, the light of the large angle that the light source of this application sent takes place light through the spotlight structure of leading the photosurface at first and assembles, takes place the total reflection through the conical surface, and the light after the total reflection is at the anchor surface, reflects to going out the plain noodles, that is to say, the cooperation relation of conical surface and anchor surface evenly distributes the light of assembling once more to reach the effect that whole light-emitting surface is whole lighted.

The light guide wall of the application realizes the effect that single low-power particles play multiple LEDs through the combination of a single light source (such as a single LED lamp) and an optical design scheme for reflecting thick walls, so that the utilization rate of the LEDs is improved, the arrangement of an optical structure and a short circuit is simplified, and the size of the whole module is reduced.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 shows a schematic light path diagram of a light guiding wall according to an embodiment of the present application;

fig. 2 shows a schematic overall structure of a light guiding wall according to an embodiment of the present application;

FIG. 3 shows a schematic view of another perspective of FIG. 2;

fig. 4 shows a schematic cross-sectional structure of a light module according to an embodiment of the present application.

Icon: 101-a light-gathering structure; 102-a conical surface; 103-torus; 104-a light-emitting surface; 200-a barrel portion; 300-a pattern part; 400-a circuit board; 500-a luminaire; 600-a housing; 700-lamp shade; 800-a liner; 900-connecting part.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for clarity and conciseness.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent upon understanding the present disclosure.

Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly over" or "directly overlying" another element, there may be no intervening elements present.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.

For ease of description, spatial relationship terms such as "above 8230 \8230; above", "upper", "above 8230 \8230; below" and "lower" may be used herein to describe the relationship of one element to another element as shown in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the term "over" \\8230; \8230; "includes both orientations" over "\8230; \8230and" under "\8230;" depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.

This application first aspect provides a leaded light wall to solved current car light module and in order to reach the even effect of optics, optical structure and circuit are complicated, and need great inner space to arrange the problem of LED.

Before the application provides, a thick-wall light guide is usually arranged on the inner side of a face mask in the traditional technical scheme, in order to pursue a better optical uniform effect, a light homogenizing sheet is arranged behind the thick-wall light guide, and the required optical effect is achieved through a direct emitting mode of a plurality of LEDs. In contrast, the existing car lamp module structure has too many LEDs, and the optical structure and the circuit are complex, and the LEDs need to be arranged in a larger internal space.

In view of this, according to the first aspect of the present application, a light guiding wall is provided, the light guiding wall is cylindrical, the inside of the light guiding wall includes a first wall surface and a second wall surface, and a light emitting surface 104 is disposed on the top of the light guiding wall, wherein a tapered surface 102 is disposed on the bottom of the first wall surface, a light condensing structure 101 is disposed on the bottom of the second wall surface, the tapered surface 102 is located in the middle of the bottom of the first wall surface, the light condensing structure 101 is located in the middle of the bottom of the second wall surface, the light condensing structure 101 faces the tapered surface 102, a ring surface 103 is disposed on the bottom of the second wall surface, the ring surface 103 is circumferentially disposed on the light condensing structure 101, the ring surface 103 is inclined to the top of the light guiding wall, a light source can enter from the light condensing structure 101, and is totally reflected by the tapered surface 102, and the ring surface 103 guides the light totally reflected by the tapered surface 102 to the light emitting surface 104.

That is, the light emitted by the light source of the present application with a large angle first converges through the light-gathering structure 101 of the light-guiding wall, and then totally reflects through the tapered surface 102, and the totally reflected light is reflected to the light-emitting surface 104 through the ring surface 103, that is, the converging light is uniformly distributed again by the matching relationship between the tapered surface 102 and the ring surface 103, so as to achieve the effect of lighting the whole light-emitting surface 104.

The light guide wall of the application realizes the effect that single low-power particles play multiple LEDs through the combination of a single light source (such as a single LED lamp) and an optical design scheme for reflecting thick walls, so that the utilization rate of the LEDs is improved, the arrangement of an optical structure and a short circuit is simplified, and the size of the whole module is reduced. Specific configurations of the first wall surface (inner wall surface inside the light guide wall) and the second wall surface (outer wall surface outside the light guide wall) will be described in detail below.

In the embodiment of the present application, as shown in fig. 1, a cylinder 200 is defined between the top and the bottom of the light guide wall, the thickness of the cylinder 200 gradually increases from the top to the bottom, the ring surface 103 increases toward the inside of the cylinder 200, i.e., the distance between the first wall surface and the second wall surface increases from top to bottom, and the cylinder 200 can recollect some light rays which are not in the light path, thereby improving the overall efficiency.

Further, as shown in fig. 1 and 3, the tapered surface 102 is provided with a plurality of continuous protrusions to form a pattern-like shape (here, as shown in fig. 3, the surface of the light guide wall outside the surface opposite to the plurality of continuous protrusions is provided with a plurality of continuous recesses), and the tapered surface 102 provided with the pattern can reflect light more uniformly.

Further, the form of the light-gathering structure 101 may be set as required, for example, a form of a converging lens, a form of a light-gathering device, a form of a fresnel lens, or a form of a light-guiding strip is formed, in this embodiment, as shown in fig. 2, a protrusion (collimator) is formed at the bottom of the second wall surface, and the protrusion protrudes away from the tapered surface 102.

Further, as shown in fig. 3, the light emitting surface 104 may be provided with a pattern portion 300, specific patterns of the pattern portion 300 may be set as required to project light patterns of different originality, and in addition, the light source may adopt LEDs of different colors to realize conversion of different colors.

In the embodiment of the present application, as shown in fig. 4, the edge of the bottom of the light guiding wall may be provided with a connecting portion 900, the light module further includes a circuit board 400 and a lamp, the circuit board 400 is connected to the connecting portion 900 at the bottom of the light guiding wall, the lamp 500 is connected to the circuit board 400, and the lamp 500 faces the light-gathering structure 101, where light emitted by one LED lamp enters the light-gathering structure 101.

Further, as shown in fig. 4, the light module may further include a housing 600 and a lampshade 700, the housing 600 covers the light guide wall, and the lampshade 700 is connected to the housing 600 and located on the top of the light emitting surface 104.

Further, as shown in fig. 4, the light module may further include a liner 800, the liner 800 is disposed in the barrel portion 200 and covers the tapered surface 102, and the liner 800 may collect and isolate stray light projected from the tapered surface 102.

The application of the whole optical system concentrates the optical surface on the light guide wall, so that the light loss caused by light passing through different optical components is reduced, the efficiency of the light is fully improved, and the design can be more freely performed.

In addition, the light emitting surface 104 is not limited to the shape in the drawing, and may be a closed line shape or a continuous line shape, and different shapes are realized by a plurality of optical structures of the light guide body, so that the design is more flexible and the cost is saved.

According to a third aspect of the present application, there is provided a vehicle comprising the light module described above.

According to the utility model provides a light guide wall, light guide wall is the tube-shape, light guide wall's inside includes first wall and second wall, light guide wall's top is provided with out the plain noodles, wherein, the bottom of first wall is provided with the conical surface, the bottom of second wall is provided with the spotlight structure, the conical surface is located the middle part of the bottom of first wall, the spotlight structure is located the middle part of the bottom of second wall, the spotlight structure is facing the conical surface, the bottom of second wall is provided with the anchor ring, anchor ring circumference sets up in the spotlight structure, the anchor ring is to light guide wall's top slope, the light source can be got into by the spotlight structure, take place the total reflection through the conical surface, the anchor ring leads out the plain noodles with the light after the conical surface total reflection.

The light guide wall of the application combines the optical design scheme of reflecting thick walls through a single light source (such as a single LED lamp), realizes that single low-power particles play the role of multiple LEDs, and improves the utilization rate of the LEDs, thereby simplifying the arrangement of an optical structure and short circuit, and further reducing the volume of the whole module.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A light guide wall is characterized in that the light guide wall is cylindrical, the inside of the light guide wall comprises a first wall surface and a second wall surface, the top of the light guide wall is provided with a light emergent surface (104),

the bottom of the first wall surface is provided with a conical surface (102), the bottom of the second wall surface is provided with a light-gathering structure (101), the conical surface (102) is positioned in the middle of the bottom of the first wall surface, the light-gathering structure (101) is positioned in the middle of the bottom of the second wall surface, and the light-gathering structure (101) and the conical surface (102) are arranged opposite to each other,

the bottom of the second wall surface is provided with a ring surface (103), the ring surface (103) is arranged at the outer edge of the light-gathering structure (101) along the circumferential direction, the outer edge of the ring surface (103) inclines to the top of the light-guiding wall relative to the inner edge of the ring surface (103),

the light source can enter from the light-gathering structure (101), and is totally reflected by the conical surface (102), and the light totally reflected by the conical surface (102) is guided to the light-emitting surface (104) by the ring surface (103).

2. The light guide wall according to claim 1, wherein a cylindrical portion (200) is disposed between the top and the bottom of the light guide wall, so that the light guide wall is cylindrical, the thickness of the cylindrical portion (200) is gradually increased from the top to the bottom, and the ring surface (103) faces the inside of the cylindrical portion (200).

3. A light-guiding wall according to claim 2, characterized in that the conical surface (102) is provided with a plurality of consecutive elevations.

4. A light-guiding wall as claimed in claim 2, characterized in that the light-exiting surface (104) is provided with a pattern (300).

5. A light-guiding wall as claimed in claim 2, characterized in that the light-concentrating structure (101) is formed as a protrusion which protrudes from the second wall surface away from the conical surface (102).

6. A light module comprising a light guide wall according to any one of claims 2 to 5.

7. A light module according to claim 6, characterized in that it further comprises a circuit board (400) connected to the bottom of the light guiding wall and a lamp (500) connected to the circuit board, the lamp facing the light focusing structure (101).

8. The light module of claim 6, further comprising a housing (600) and a cover (700), wherein the housing is disposed on the light guide wall, and the cover is connected to the housing and disposed on the top of the light emitting surface (104).

9. The light module of claim 6, further comprising a liner (800) disposed within the barrel (200) and covering the tapered surface (102).

10. A vehicle comprising a light module according to any of claims 6-9.