Thick wall and vehicle lamp

By adopting a thick-wall structure in the headlight and using diffusion patterns with different diffusion angles to control the size of the light spot, the composite lighting function of the two light-emitting elements is realized, solving the problems of uneven brightness and low optical efficiency of the headlights, improving the uniformity of light emission and optical efficiency, and reducing costs.

CN223448179UActive Publication Date: 2025-10-17MIND ELECTRONICS APPLIANCE CO LTD
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Patent Information

Application Number
CN202423182024.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-10-17
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing headlights have problems with uneven brightness and low optical efficiency in their multifunctional composite designs.

Method used

A thick-walled structure is adopted, including a light incident surface, a total reflection surface and a light emitting surface. The first and second concentrator components and the diffusion pattern are set. The diffusion pattern with different diffusion angles is used to control the size of the light spot, realize the composite lighting function of the two light-emitting elements, and share the light emitting surface to save space.

Benefits of technology

The light uniformity and optical efficiency of the headlights are improved, costs are reduced and space is saved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a thick wall, which comprises a light incident surface, a total reflection surface and a light emergent surface which are sequentially arranged along the direction of a light path, the light incident surface is provided with a first condenser assembly and a second condenser assembly, the total reflection surface comprises a first total reflection surface and a second total reflection surface, the first total reflection surface is provided with first diffusion patterns, the second total reflection surface is provided with second diffusion patterns, and the diffusion angles of the first diffusion patterns and the second diffusion patterns are different. According to the thick wall disclosed by the utility model, the composite lighting function of two light-emitting elements can be realized, one lighting function corresponds to the first total reflection surface, the other lighting function corresponds to the second total reflection surface, and the size of light spots of each lighting function can be respectively controlled through different diffusion angles of the first diffusion pattern and the second diffusion pattern; meanwhile, the thick wall disclosed by the embodiment of the utility model is simple in structure, and the cost can be reduced. The utility model further discloses a car lamp.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of car light, more particularly to a thick wall and car light. BACKGROUND

[0002] At present, the automobile modeling is more and more complex, and the car light modeling is also more and more complex, and the car light develops towards diversification and miniaturization. With the more and more strict requirement of car light modeling on beauty, the limited light distribution space is more and more obvious, therefore, the multifunctional composite car light appears, but the traditional multifunctional composite car light is prone to uneven bright and dark light emission, and the optical efficiency is low.

[0003] Therefore, how to improve the uniformity and optical efficiency of car light emission becomes a technical problem to be solved by the technical personnel in the field. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the purpose of the utility model is to provide a thick wall to improve the uniformity and optical efficiency of light emission.

[0005] Another core of the utility model is to provide a car light comprising the above thick wall.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A thick wall comprising an incident light surface, a total reflection surface and an exit light surface arranged in sequence along the light path direction;

[0008] The incident light surface is provided with a first light concentrator assembly and a second light concentrator assembly, the total reflection surface comprises a first total reflection surface and a second total reflection surface, the first total reflection surface is provided with a first diffusion pattern, the second total reflection surface is provided with a second diffusion pattern, and the diffusion angles of the first diffusion pattern and the second diffusion pattern are different;

[0009] The first light concentrator assembly can make the light emitted by the first light emitting element directly irradiate to the first total reflection surface after passing through the incident light surface, the first total reflection surface can reflect the light directly irradiated thereon to the exit light surface, the second light concentrator assembly can make the light emitted by the second light emitting element directly irradiate to the second total reflection surface after passing through the incident light surface, and the second total reflection surface can reflect the light directly irradiated thereon to the exit light surface.

[0010] Optionally, in the above thick wall, the first diffusion pattern and the second diffusion pattern are both strip-shaped diffusion patterns.

[0011] Optionally, in the above thick wall, the first diffusion pattern and the second diffusion pattern are both net-shaped diffusion patterns.

[0012] Optionally, in the above thick wall, one of the first diffusion pattern and the second diffusion pattern is a strip-shaped diffusion pattern, and the other is a net-shaped diffusion pattern.

[0013] Optionally, in the thick wall, the first light collector assembly comprises a plurality of first light collectors arranged along the first direction, and the second light collector assembly comprises a plurality of second light collectors arranged along the first direction.

[0014] Optionally, in the thick wall, the second light collector corresponds to the first light collector one by one.

[0015] Optionally, in the thick wall, the light exit surface is provided with optical patterns.

[0016] Optionally, in the thick wall, the optical patterns are corn-shaped or sawtooth-shaped.

[0017] A vehicle lamp comprises the thick wall.

[0018] Optionally, in the vehicle lamp, the thick wall is L-shaped, and the total reflection surface is arranged at a corner position of the thick wall.

[0019] As can be seen from the above scheme, the thick wall can realize the composite lighting function of two kinds of light emitting elements, and one kind of lighting function corresponds to the first total reflection surface, and the other kind of lighting function corresponds to the second total reflection surface, the diffusion angles of the first diffusion patterns and the second diffusion patterns are different, the spot size of each kind of lighting function can be controlled respectively, and the optical efficiency can be improved; the same light exit surface is used for the two kinds of lighting functions, the setting of the light exit surface can be reduced, and the space can be saved; meanwhile, the thick wall disclosed in the embodiment of the utility model has simple structure, and the cost can be reduced.

[0020] The vehicle lamp disclosed by the utility model has the same technical effect as the thick wall, and will not be described again. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to the drawings without creative labor.

[0022] Figure 1 Structure diagram of the thick wall disclosed by the embodiment of the utility model Figure 1 ;

[0023] Figure 2 Structure diagram of the thick wall disclosed by the embodiment of the utility model Figure 2 ;

[0024] Figure 3 Structure diagram of the thick wall disclosed by the embodiment of the utility model Figure 3 ;

[0025] Figure 4 Schematic diagram of the thick wall structure disclosed in the embodiment of the utility model Figure 4 ;

[0026] Figure 5 Schematic diagram of the thick wall structure disclosed in the embodiment of the utility model Figure 5 ;

[0027] Figure 6 This is a light path diagram of a thick wall disclosed in an embodiment of the present utility model;

[0028] Figure 7 This is a partially enlarged view of the thick-walled reflective surface disclosed in an embodiment of the present utility model.

[0029] Wherein, 10 is the light incident surface, 11 is the first concentrator assembly, 111 is the first concentrator, 12 is the second concentrator assembly, and 121 is the second concentrator;

[0030] 20 is a total reflection surface, 21 is a first total reflection surface, 211 is a first diffusion pattern, 22 is a second total reflection surface, and 221 is a second diffusion pattern;

[0031] 30 is the light emitting surface, and 31 is the optical pattern. DETAILED DESCRIPTION

[0032] The core of the utility model is to disclose a thick wall to improve light uniformity and optical efficiency.

[0033] Another core of the present invention is to provide a vehicle lamp comprising the above-mentioned thick wall.

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] like Figures 1-5 As shown, the embodiment of the present invention discloses a thick wall, comprising a light incident surface 10, a total reflection surface 20 and a light emitting surface 30 arranged in sequence along the light path direction.

[0036] The light inlet surface 10 is provided with a first condenser assembly 11 and a second condenser assembly 12, the total reflection surface 20 includes a first total reflection surface 21 and a second total reflection surface 22, the first total reflection surface 21 is provided with a first diffusion pattern 211, the second total reflection surface 22 is provided with a second diffusion pattern 221, and the diffusion angles of the first diffusion pattern 211 and the second diffusion pattern 221 are different. Preferably, the first total reflection surface 21 and the second total reflection surface 22 are both planes, and the included angle between the first total reflection surface 21 and the second total reflection surface 22 and the horizontal direction is preferably 45°.

[0037] The first condenser assembly 11 can make the light emitted by the first light emitting element directly reach the first total reflection surface 21 through the light inlet surface 10, the first total reflection surface 21 can reflect the light directly reaching it to the light outlet surface 30, the second condenser assembly 12 can make the light emitted by the second light emitting element directly reach the second total reflection surface 22 through the light inlet surface 10, and the second total reflection surface 22 can reflect the light directly reaching it to the light outlet surface 30. The specific light path diagram is as shown in Figure 6 .

[0038] The thick wall disclosed in the embodiment of the utility model can realize the composite lighting function of two kinds of light emitting elements, and one kind of lighting function corresponds to the first total reflection surface 21, and the other kind of lighting function corresponds to the second total reflection surface 22, the diffusion angles of the first diffusion pattern 211 and the second diffusion pattern 221 are different, the spot size of each kind of lighting function can be controlled respectively, the optical efficiency can be improved, the same light outlet surface 30 is used for the two kinds of lighting functions, the setting of the light outlet surface 30 can be reduced, and space can be saved, and simultaneously, the thick wall disclosed in the embodiment of the utility model has simple structure and can reduce cost.

[0039] In some specific embodiments, the diffusion angle of the first diffusion pattern can be 6°, and the diffusion angle of the second diffusion pattern can be 15°. It should be noted that the values here are only examples, and specific adjustments can be made according to actual needs.

[0040] Further, in some specific embodiments, as shown in Figure 7 , the first diffusion pattern 211 and the second diffusion pattern 221 are both strip-shaped diffusion patterns, specifically, the strip-shaped diffusion patterns are formed by a plurality of arc-shaped diffusion surfaces arranged continuously and side by side along the first direction.

[0041] In other specific embodiments, the first diffusion pattern 211 and the second diffusion pattern 221 are both net-shaped diffusion patterns, specifically, the net-shaped diffusion patterns are formed by a plurality of arc-shaped diffusion surfaces arranged continuously and side by side along the first direction and the second direction, and arranged in an array form.

[0042] In some embodiments, one of the first diffusion pattern 211 and the second diffusion pattern 221 is a strip-shaped diffusion pattern, and the other is a mesh-shaped diffusion pattern. Of course, the first diffusion pattern 211 and the second diffusion pattern 221 can also be other forms of patterns.

[0043] Further, as shown in Figure 1 and Figure 4 , the first light collector assembly 11 includes a plurality of first light collectors 111 arranged along a first direction, and the second light collector assembly 12 includes a plurality of second light collectors 121 arranged along the first direction. The first direction can be the length direction of the vehicle body, or the width direction of the vehicle body, and can be adaptively adjusted according to the space requirement in the vehicle lamp. The number of the first light collectors 111 and the number of the second light collectors 121 can be the same or different, and the specific number can be determined according to the actual situation.

[0044] In some embodiments, as shown in Figure 4 , the second light collector 121 corresponds to the first light collector 111 one-to-one. Further, the first light collector 111 and the corresponding second light collector 121 can adopt a double light collector structure, as shown in Figure 4 .

[0045] Further, in order to achieve a uniform lighting effect, the light emitting surface 30 is provided with an optical pattern 31, as shown in Figure 5 . Specifically, the optical pattern 31 is in the shape of corn or sawtooth. Of course, the shape of the optical pattern 31 can also be other shapes.

[0046] In addition, the utility model embodiment also discloses a vehicle lamp, including first light emitting element, second light emitting element and thick wall, first light emitting element and second light emitting element all set up in the front end of thick wall, that is, first light emitting element and second light emitting element all set up opposite to the light receiving surface 10. Specifically, the first light emitting element is correspondingly arranged with the first light collector assembly 11, the second light emitting element is correspondingly arranged with the second light collector assembly 12, and the first light emitting element and the second light emitting element are preferably LED particles, which can be double-core particles or single-core particles.

[0047] Further, in some embodiments, as shown in Figure 1 , the thick wall is in the shape of L as a whole, and the total reflection surface 20 is arranged at the corner position of the thick wall.

[0048] It should be noted that each embodiment in the present specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same and similar parts of each embodiment can be referred to each other.

[0049] As shown in the present application and claims, unless the context clearly indicates otherwise, the terms "one", "an", the following, the term "first", "second" are used only for descriptive purposes and can not be understood to indicate or imply relative importance or imply the number of the indicated technical features. Thus, the features defined with "first", "second" can explicitly or implicitly include one or more of the features.

[0050] The principles and implementation modes of the present application are described by applying specific examples herein. The above example is only used to help understand the core idea of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, the present application can be improved and modified in several ways. These improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A thick wall, characterized in that It comprises a light incident surface (10), a total reflection surface (20) and a light exit surface (30) which are sequentially arranged along the light path direction; The light incident surface (10) is provided with a first concentrator assembly (11) and a second concentrator assembly (12); the total reflection surface (20) includes a first total reflection surface (21) and a second total reflection surface (22); the first total reflection surface (21) is provided with a first diffusion pattern (211); the second total reflection surface (22) is provided with a second diffusion pattern (221); the diffusion angles of the first diffusion pattern (211) and the second diffusion pattern (221) are different; The first concentrator assembly (11) is capable of directing the light emitted by the first light-emitting element through the light incident surface (10) to the first total reflection surface (21), and the first total reflection surface (21) is capable of reflecting the light directly incident thereon to the light exiting surface (30). The second concentrator assembly (12) is capable of directing the light emitted by the second light-emitting element through the light incident surface (10) to the second total reflection surface (22), and the second total reflection surface (22) is capable of reflecting the light directly incident thereon to the light exiting surface (30).

2. The thick wall according to claim 1, characterized in that The first diffusion pattern (211) and the second diffusion pattern (221) are both strip-shaped diffusion patterns.

3. The thick wall according to claim 1, characterized in that The first diffusion pattern (211) and the second diffusion pattern (221) are both mesh diffusion patterns.

4. The thick wall according to claim 1, characterized in that One of the first diffusion pattern (211) and the second diffusion pattern (221) is a strip diffusion pattern, and the other is a mesh diffusion pattern.

5. The thick wall according to claim 2, characterized in that The first concentrator assembly (11) includes a plurality of first concentrators (111) arranged along a first direction, and the second concentrator assembly (12) includes a plurality of second concentrators (121) arranged along the first direction.

6. The thick wall according to claim 5, characterized in that The second concentrator (121) corresponds one-to-one to the first concentrator (111).

7. The thick wall according to claim 1, characterized in that The light-emitting surface (30) is provided with an optical pattern (31).

8. The thick wall according to claim 7, characterized in that The optical pattern (31) is in the shape of corn kernels or saw teeth.

9. A vehicle lamp, characterized in that: Comprising a thick wall as described in any one of claims 1-8.

10. The vehicle lamp according to claim 9, wherein The thick wall is L-shaped, and the total reflection surface (20) is arranged at a corner position of the thick wall.