Light guide strip
By designing a combination of total reflection and diffuse reflection surfaces in the light guide bar, the problems of light efficiency uniformity and light loss in the long-distance light guide bar are solved, and uniform light efficiency and cost reduction from the inlet to the outlet are achieved.
Patent Information
- Application Number
- CN202421128060.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-22
AI Technical Summary
It is difficult for existing light guide strips to achieve uniform light effects in long-distance light emitting areas, resulting in inhomogeneity and light loss problems of the light source.
A light guide strip is designed, with the first side being a total reflective surface and the second side being a diffuse reflection surface, and the light source is ensured by inclined structure and surface characteristics such as reflective layer, adhesive backing layer, serration or concave point. Even transmission and reflection within the light guide bars form a uniform light effect.
A uniform light effect from the inlet to the outlet of the light source is achieved, minimizing light loss and reducing cost and volume through simplified structure.
Smart Images
Figure CN222365106U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of luminous display equipment, in particular to a light guide strip. Background Art
[0002] As disclosed in announcement number CN215301098U, with the development of electronic products, their appearance will often use luminous decoration to show their novelty and uniqueness and improve people's visual perception. Luminous decoration mainly includes light source and light guide bar. The light guide bar converts point light source or line light source into plane light source to meet the luminous demand of luminous area.
[0003] The key to the visual effect of luminous decoration lies in the consistency of its overall luminescence. The luminous area needs to present a uniform and soft lighting effect. Therefore, the uniformity of the light guide of the light guide strip is very important, especially for the luminous area with a long length. The light guiding property of the light guide strip directly affects the presentation of the lighting effect. Utility Model Content
[0004] The utility model aims to overcome the deficiencies in the prior art and provide a light guide strip.
[0005] The purpose of the utility model is achieved through the following technical solutions:
[0006] The light guide strip comprises a strip-shaped light guide strip body, wherein the first end of the light guide strip body is a light source entrance, and the second end thereof is a light source exit, the first side thereof extends straightly, and the second side thereof extends obliquely relative to the first side, so that the spacing between the first side and the second side gradually decreases from the first end to the second end, the outer surface of the first side is a total reflection surface, and the surface of the second side is a diffuse reflection surface, so that the point light source emitted from the first end fills the light guide strip body and forms a uniform light effect on the surface of the second side.
[0007] Preferably, the outer surface of the first side is coated with a reflective layer.
[0008] Preferably, the outer surface of the reflective layer covered with the adhesive layer on the first side is a frosted surface.
[0009] Preferably, the outer surface of the first side is covered with a backing adhesive layer.
[0010] Preferably, a surface of the second side is formed with continuous serrations from the first end to the second end.
[0011] Preferably, a concave point is arranged on the surface of the second side from the first end to the second end.
[0012] Preferably, the concave points are arranged in rows and are evenly spaced.
[0013] Preferably, the spacing between the concave points in each column is 0.5-5 mm.
[0014] Preferably, the diameter of each of the concave spots is 0.01-1 mm.
[0015] Preferably, the light strip body is made of transparent acrylic.
[0016] The beneficial effects of the utility model are mainly reflected in:
[0017] 1. The second side is tilted and the surface of the second side is set as a diffuse reflection surface, so that the point light source incident from the first end is diffusely reflected to fill the entire light guide strip body, thereby achieving the purpose of producing uniform light effect;
[0018] 2. The surface of the first side forms total reflection to minimize light loss and make the light source reflect inside the light guide strip body as much as possible, ensuring that the light source is evenly transmitted from the first end to the second end, thereby making the light guide strip body produce uniform light effect from the first end to the second end. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The technical solution of the utility model is further described below in conjunction with the accompanying drawings:
[0020] Figure 1 : A schematic diagram of the first embodiment of the utility model;
[0021] Figure 2 : A schematic diagram of a second embodiment of the utility model. DETAILED DESCRIPTION
[0022] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments are not limited to the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.
[0023] like Figure 1 to Figure 2 As shown, the utility model discloses a light guide strip, comprising a strip-shaped light guide strip body 1, wherein the first end 103 of the light guide strip body 1 is a light source entrance, and the second end 104 is a light source exit, the first side 101 thereof extends straight, and the second side 102 thereof extends obliquely relative to the first side 101, so that the spacing between the first side 101 and the second side 102 gradually decreases from the first end 103 to the second end 104, the outer surface of the first side 101 is a total reflection surface, and the surface of the second side 102 is a diffuse reflection surface, so that the point light source emitted from the first end 103 fills the light guide strip body 1 and forms a uniform light effect on the surface of the second side 102.
[0024] In this solution, the light guide strip body 1 is preferably made of transparent acrylic, and the second side 102 is tilted, and the surface of the second side 102 is set as a diffuse reflection surface, so that the point light source incident from the first end 103 forms diffuse reflection to fill the entire light guide strip body 1, thereby achieving the purpose of producing uniform light effect.
[0025] Preferably, the outer surface of the first side 101 is coated with a reflective layer, and the reflective layer is made of a material with high reflectivity, such as aluminum. The arrangement of the reflective layer allows the outer surface of the first side 101 to form a total reflection surface, thereby minimizing light loss, allowing the light source to be reflected inside the light guide strip body 1 as much as possible, ensuring that the light source is uniformly transmitted from the first end 103 to the second end 104, and thus allowing the light guide strip body 1 to produce uniform light effects from the first end 103 to the second end 104.
[0026] The outer surface of the reflective layer is covered with a backing adhesive layer. The backing adhesive layer allows the light guide bar body 1 to be directly fixed to the position and surface where it needs to be fixed, and thus no other connection structure or connection element is required to fix the light guide bar body 1, thereby saving costs and simplifying the volume of the light guide bar body 1.
[0027] The surface of the second side 102 has multiple embodiments. In a first embodiment, the surface of the second side 102 is formed with continuous sawteeth from the first end 103 to the second end 104. The sawteeth are evenly distributed so that the surface of the second side 102 forms a diffuse reflection surface to fully reflect the light source to fill the light guide strip body 1.
[0028] In the second embodiment of the second side 102, a concave pit 105 is provided on the surface of the second side 102 from the first end 103 to the second end 104, and the concave structure of the pit 105 enables it to diffusely reflect the light source and fill the light guide strip body 1. Preferably, the pits 105 are evenly spaced in rows to evenly reflect the light source. In another feasible embodiment, the pits 105 can also be staggered.
[0029] The spacing between each row of the concave dots 105 is 0.5-5 mm to reflect the light source as comprehensively as possible. More preferably, the spacing is 0.5-1 mm. In a preferred embodiment, the diameter of each of the concave dots 105 is 0.01-1 mm to provide more concave dots 105 to ensure uniform light effect. More preferably, the diameter of each of the concave dots 105 is 0.01-0.05 mm.
[0030] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
[0031] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the utility model. They are not intended to limit the protection scope of the utility model. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the utility model should be included in the protection scope of the utility model.
Claims
1. A light guide strip, characterized in that: The invention comprises a strip-shaped light-emitting strip body (1), wherein the first end (103) of the light-emitting strip body (1) is a light source entrance, and the second end (104) is a light source exit, the first side (101) of the light-emitting strip body (1) extends straight, and the second side (102) of the light-emitting strip body (1) extends obliquely relative to the first side (101), so that the distance between the first side (101) and the second side (102) gradually decreases from the first end (103) to the second end (104), the outer surface of the first side (101) is a total reflection surface, and the surface of the second side (102) is a diffuse reflection surface, so that the point light source emitted from the first end (103) fills the light-emitting strip body (1) and forms a uniform light effect on the surface of the second side (102).
2. The light guide strip according to claim 1, characterized in that: The outer surface of the first side (101) is coated with a reflective layer.
3. The light guide strip according to claim 2, characterized in that: The outer surface of the reflective layer is covered with a back adhesive layer.
4. The light guide strip according to any one of claims 1 to 3, characterized in that: The surface of the second side (102) is formed with continuous saw teeth from the first end (103) to the second end (104).
5. The light guide strip according to any one of claims 1 to 3, characterized in that: An inwardly concave point (105) is provided on the surface of the second side (102) from the first end (103) to the second end (104).
6. The light guide strip according to claim 5, characterized in that: The concave points (105) are arranged in rows and are evenly spaced.
7. The light guide strip according to claim 6, characterized in that: The spacing between the concave points (105) in each column is 0.5-5 mm.
8. The light guide strip according to claim 5, characterized in that: The diameter of each of the concave points (105) is 0.01-1 mm.
9. The light guide strip according to claim 1, characterized in that: The light strip body (1) is made of transparent acrylic.