Single-module double-light-source annular light guide structure, illumination module and vehicle lamp
By designing a single-module dual-light source ring light guide structure in an annular signal lamp, the problems of poor uniformity of optical effects and dark areas of intermediate break points are solved, and uniform luminescence and cost reduction are achieved.
Patent Information
- Application Number
- CN202420579780.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The optical uniformity of existing ring signal lamps is poor, and there is a problem of dark areas in the middle breakpoint.
A single-module dual-light source annular light guide structure is designed, and by setting at least two sets of light sources on the light emitting module and setting incoming light ends at both ends of the light guide structure, the uniform incident and annular distribution of light rays are achieved.
The light emission uniformity of the light guide structure is achieved, the existence of dark areas of intermediate break points is avoided, and the cost is reduced.
Smart Images
Figure CN222634393U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile lamps, and in particular to a single-module double-light source annular light guide structure. In addition, it also relates to a lighting module and an automobile lamp. Background Art
[0002] With the development of the automobile manufacturing industry, the shapes of lamps are diversified and novel, so the demand for annular front lamps is increasing. For annular signal lamps, the main solutions are thick-walled reflective or light-guided. The thick-walled solution has a large number of light sources and high costs; the light-guided solution is currently mainly divided into two categories: single-module single-side light intake and dual-module double-side light intake. The single-module single-side light intake has problems such as poor optical effect uniformity and bright spots at the end of the light guide. The dual-module double-side light intake has a high cost, and there is a breakpoint dark area in the middle of the annular light effect.
[0003] In view of this, it is necessary to design a single-module dual-light source annular light guide structure to overcome the above defects. Utility Model Content
[0004] The utility model aims to solve at least one of the technical problems existing in the prior art.
[0005] To this end, the utility model provides a single-module dual-light source annular light guide structure, which can ensure the light emission uniformity of the light guide structure, and there is no problem of breakpoint dark area in the middle of the light guide structure.
[0006] According to the first aspect of the utility model, a single-module dual-light source annular light guide structure is provided, comprising a light-emitting module and a light guide structure, wherein at least two groups of light sources are arranged on a single light-emitting module, and two ends of the light guide structure are respectively arranged corresponding to each of the light sources, and the light emitted by each of the light sources is suitable for being respectively incident through the two end light input ends of the light guide structure, and the light guide structure is arranged in a ring shape so as to be able to illuminate the ring-shaped light guide structure through at least two groups of light sources arranged on each of the single light-emitting modules.
[0007] Preferably, the light guide structure comprises a light guide inner surface, the light guide inner surface is provided with light guide teeth, and the light guide teeth are suitable for being set as concave teeth or convex teeth.
[0008] Further preferably, the light guide structure further comprises a light guide outer surface, and the light guide outer surface is set to be a smooth outer surface, or a vertical stripe structure is provided on the light guide outer surface.
[0009] Preferably, the distances between the light incident ends at both ends of the annular light guide structure and the corresponding light sources are 1.2-1.5 mm.
[0010] Further preferably, at least two groups of light sources provided on a single light-emitting module are yellow light sources and / or white light sources.
[0011] Preferably, the light input ends at both ends of the annular light guide structure are arranged crosswise in an X shape.
[0012] The beneficial effect of the utility model is that by setting a light-emitting module and a light-guide structure, and the light-guide structure includes a light-guide outer surface and a light-guide inner surface, the two light-entry ends of the light-guide structure respectively correspond to the light sources arranged on the light-emitting module, so that the light-entry end of the light-guide structure is fixed to the LED module, and two groups of light sources are arranged on the LED module, and the two groups of light sources can respectively enter light from the two light-entry ends of the light-guide structure, so as to achieve a uniform optical effect for the light-guide structure, and the cost is relatively low.
[0013] The second aspect of the utility model provides a lighting module, which adopts the single-module double-light source annular light guide structure described in the first aspect of the utility model.
[0014] A third aspect of the present invention provides a vehicle lamp, which adopts a lighting module provided by the second aspect of the present invention.
[0015] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structures specifically pointed out in the description, claims and drawings.
[0016] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0018] Figure 1 This is a front structural schematic diagram of the single-module dual-light source annular light guide structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the back structure of the single-module dual-light source annular light guide structure of the utility model.
[0020] Reference numerals:
[0021] 1. Light guide structure; 11. Light guide outer surface; 12. Light guide inner surface; 13. Light guide into the light end;
[0022] 2. Light-emitting module;
[0023] 3. Light source. DETAILED DESCRIPTION
[0024] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0025] In the description of the present invention, it should be understood that the terms "top", "bottom", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more groups.
[0026] See also Figure 1 A single-module dual-light source annular light guide structure according to a specific embodiment of the utility model comprises a light-emitting module 2 and a light guide structure 1, wherein at least two groups of light sources 3 are provided on a single light-emitting module 2, and two ends of the light guide structure 1 are respectively arranged corresponding to each group of light sources 3, so that the light emitted by each group of light sources 3 can be respectively injected through the two end light input ends of the light guide structure 1, thereby setting the light guide structure 1 as an annular structure, so that light can be emitted through at least two groups of light sources 3 arranged on each single light-emitting module 2 to illuminate the annular light guide structure 1.
[0027] See also Figure 2 Specifically, the light guide structure 1 includes a light guide inner surface 12, and the light guide inner surface 12 is provided with light guide teeth, and the light guide teeth can be set as concave teeth or convex teeth. Through the setting of the light guide teeth, the light emitted by the light source 3 can be refracted inside the light guide, so that the light inside the light guide structure 1 can be uniformly illuminated.
[0028] More specifically, the light guide structure 1 also includes a light guide outer surface 11, which is set to be a smooth outer surface or a vertical stripe structure is opened on the light guide outer surface 11. By setting the light guide outer surface 11, the overall luminous effect of the light guide structure 1 is ensured to be stable, and the formed annular light guide structure 1 has no breakpoints or dark areas in the middle after being lit.
[0029] In addition, the spacing between the two light-entering ends of the light-guiding structure 1 and the corresponding light sources 3 is 1.2 to 1.5 mm. By spacing the two, it is possible to avoid the occurrence of bright spots at the light-entering end of the light-guiding structure 1 after the light source 3 emits light. The two light-entering ends of the annular light-guiding structure 1 are arranged in an X-shaped cross, and in the at least two groups of light sources 3 arranged on the single light-emitting module 2 of the light-guiding structure 1, the two groups of light sources 3 can be respectively set as yellow light sources 3 or white light sources 3. Of course, it should be noted that the color of each group of light sources 3 is not limited to yellow light or white light, and the color of the light source 3 can be adjusted according to the actual needs of the user.
[0030] The utility model provides a lighting module, which adopts the single-module double-light source annular light guide structure described in any of the above embodiments of the utility model.
[0031] The utility model provides a vehicle lamp, which adopts the lighting module described in any one of the above embodiments of the utility model.
[0032] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0033] The above description is based on the ideal embodiment of the utility model. Through the above description, relevant staff can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of the utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A single-module dual-light source annular light guide structure, characterized in that: The invention comprises a light-emitting module (2) and a light-guiding structure (1), wherein at least two groups of light sources (3) are arranged on a single light-emitting module (2), and two ends of the light-guiding structure (1) are arranged corresponding to each of the light sources (3), and the light emitted by each of the light sources (3) is suitable for being respectively incident through the two light-incoming ends of the light-guiding structure (1), and the light-guiding structure (1) is arranged in a ring shape so as to be able to light up the ring-shaped light-guiding structure (1) through the at least two groups of light sources (3) arranged on each of the light-emitting modules (2).
2. The single-mode dual-light source annular light guide structure according to claim 1, characterized in that: The light guide structure (1) comprises a light guide inner surface (12), the light guide inner surface (12) being provided with light guide teeth, and the light guide teeth are suitable for being set as concave teeth or convex teeth.
3. The single-mode dual-light source annular light guide structure according to claim 2, characterized in that: The light guide structure (1) further comprises a light guide outer surface (11), wherein the light guide outer surface (11) is set as a smooth outer surface, or a vertical stripe structure is provided on the light guide outer surface (11).
4. The single-module dual-light source annular light guide structure according to claim 1, characterized in that: The distance between the two light input ends of the annular light guide structure (1) and the corresponding light sources (3) is 1.2 to 1.5 mm.
5. The single-module dual-light source annular light guide structure according to claim 1, characterized in that: The at least two groups of light sources (3) provided on a single light-emitting module (2) are yellow light sources (3) and / or white light sources (3).
6. The single-mode dual-light source annular light guide structure according to any one of claims 1 to 5, characterized in that: The light input ends at both ends of the annular light guide structure (1) are arranged crosswise in an X shape.
7. A lighting module, characterized in that: The single-module dual-light source annular light guide structure described in any one of claims 1 to 6 is adopted.
8. A vehicle lamp, characterized in that: Comprising the lighting module described in claim 7.