Injection-molded light guide plate with optical microstructure
By setting up microlens and fixed components on the light guide plate, the problems of low light uniformity and poor consistency of the light guide plate are solved, and the high light uniformity and stability are achieved, and the practicality of the light guide plate is improved.
Patent Information
- Application Number
- CN202323592968.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-27
AI Technical Summary
The light uniformity of existing light guide plates is not high, the consistency is poor, and dark areas are prone to occur.
An injection molded light guide plate with optical microstructure was designed. By providing multiple microlenses and fixing components on the light guide plate body, the light is evenly distributed by using microlenses. The fixing components are used to limit and fix each layer to avoid compression. Light guide plate.
The light uniformity of the light guide plate is improved by 90%, enhances practicality, and ensures the convenience of use and the stability of the light guide plate.
Smart Images
Figure CN222259618U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light guide plates, in particular to an injection-molded light guide plate with an optical microstructure. Background Art
[0002] The light guide plate is made of optical-grade acrylic sheet, and then a high-tech material with extremely high refractive index and non-light absorption is used. The light guide points are printed on the bottom of the optical-grade acrylic sheet using laser engraving, cross grid engraving and UV screen printing technology. The light guide plate is processed using plastic molding equipment to form the light guide plate into the desired shape. Injection molding is a processing method for producing products in the desired shape, and it can be made into plastics of various shapes.
[0003] For example, Chinese patent CN219475871 U discloses a high-efficiency injection-molded light guide plate, including a light guide plate body, the light guide plate body includes a plastic particle base layer, an upper outer film and a lower outer film layer, the top and bottom of the plastic particle base layer are bonded with an attachment layer, a light-transmitting layer is integrally formed on the outer wall of the attachment layer, the outside of the light-transmitting layer is coated with an adhesive layer, a plurality of convex balls are integrally formed on the outside of the light-transmitting layer, a plurality of mounting grooves are provided inside the adhesive layer, a light-scattering layer is provided on the outer wall of the adhesive layer close to the upper outer film, the upper outer film is bonded to the outer wall of the light-scattering layer, and an outer disassembly sheet is integrally formed on one side of the outer wall of the upper outer film. However, the light uniformity of the light guide plate is not high, the consistency is poor, and dark areas are easily generated. Therefore, an injection-molded light guide plate with an optical microstructure is proposed to solve the above-mentioned problems. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an injection-molded light guide plate with an optical microstructure, which has the advantages of improving the light uniformity of the light guide plate, and solves the problems of low light uniformity, poor consistency, and easy generation of dark areas of the light guide plate.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection-molded light guide plate with an optical microstructure, comprising a light guide plate body, a fixing hole is opened on the light guide plate body, a reinforcing mechanism is arranged on the light guide plate body, and four fixing components are arranged on the light guide plate body;
[0006] The reinforcing mechanism comprises a plurality of micro lenses arranged on the light guide plate body, a reflective layer is arranged at the bottom of the light guide plate body, a mounting plate is arranged at the bottom of the light guide plate body, and light-shielding paper is arranged around the light guide plate body.
[0007] Furthermore, the fixing assembly includes a fixing rod slidably connected to the inside of the fixing hole, a fixing plate is fixedly connected to the top of the fixing rod, two rubber pads are sleeved on the outside of the fixing rod, the outside of the fixing rod is slidably connected to a limiting plate, a cavity is opened inside the limiting plate, the inside of the cavity is slidably connected to the limiting rod, a spring is sleeved on the outside of the limiting rod, and the outside of the limiting rod is fixedly connected to a connecting plate.
[0008] Furthermore, there are fifty-six microlenses per square centimeter.
[0009] Furthermore, circular through holes are provided inside the rubber pad and the limiting plate, and the inside of the circular through hole is slidably connected to the outside of the fixing rod.
[0010] Furthermore, a handle for easy pulling is fixedly connected to the limiting rod.
[0011] Furthermore, a limiting groove is provided on the fixing rod, and the size of the limiting groove matches the size of the limiting rod.
[0012] Furthermore, one side of the spring is fixedly connected to the inner wall of the cavity, and the other side of the spring is fixedly connected to one side of the connecting plate.
[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0014] 1. The injection-molded light guide plate with an optical microstructure is provided with a reinforcing mechanism and a plurality of microlenses on the light guide plate body, thereby utilizing the optically designed microstructure to evenly distribute light on the entire surface of the light guide plate body, with a light guide uniformity of 90%, which is convenient for users to use and increases the practicality of the light guide plate.
[0015] 2. The injection-molded light guide plate with an optical microstructure has a fixed component so that the light guide plate has a limited fixing function, thereby achieving the effect of limiting and fixing the light guide plate body, the reflective layer and the mounting plate. Each layer can be fixed, and a rubber pad can be provided to avoid crushing the light guide plate body, thereby facilitating the use of the user and improving the practicality of the light guide plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;
[0018] Figure 3 This is a schematic diagram of the microlens structure of the utility model;
[0019] Figure 4This is a cross-sectional view of the microlens structure of the utility model.
[0020] In the figure: 1 light guide plate body, 2 fixing hole, 3 micro lens, 4 reflective layer, 5 shading paper, 6 fixing rod, 7 fixing plate, 8 rubber pad, 9 limit plate, 10 cavity, 11 limit rod, 12 spring, 13 connecting plate, 14 handle, 15 mounting plate. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4 In this embodiment, an injection-molded light guide plate with an optical microstructure includes a light guide plate body 1, a fixing hole 2 is opened on the light guide plate body 1, a reinforcing mechanism is arranged on the light guide plate body 1, and four fixing components are arranged on the light guide plate body 1.
[0023] The reinforcing mechanism includes a plurality of microlenses 3 arranged on the light guide plate body 1, with fifty-six microlenses 3 per square centimeter. A reflective layer 4 is arranged at the bottom of the light guide plate body 1, a mounting plate 15 is arranged at the bottom of the light guide plate body 1, and shading paper 5 is arranged around the light guide plate body 1.
[0024] In this embodiment, the fixing assembly includes a fixing rod 6 that is slidably connected to the inside of the fixing hole 2, a limiting groove is provided on the fixing rod 6, a fixing plate 7 is fixedly connected to the top of the fixing rod 6, two rubber pads 8 are sleeved on the outside of the fixing rod 6, the outside of the fixing rod 6 is slidably connected to the limiting plate 9, circular through holes are provided inside the rubber pad 8 and the limiting plate 9, the inside of the circular through holes is slidably connected to the outside of the fixing rod 6, a cavity 10 is provided inside the limiting plate 9, the inside of the cavity 10 is slidably connected to the limiting rod 11, a handle 14 for convenient pulling is fixedly connected to the limiting rod 11, the size of the limiting groove is adapted to the size of the limiting rod 11, a spring 12 is sleeved on the outside of the limiting rod 11, one side of the spring 12 is fixedly connected to the inner wall of the cavity 10, the outside of the limiting rod 11 is fixedly connected to a connecting plate 13, and the other side of the spring 12 is fixedly connected to one side of the connecting plate 13.
[0025] The working principle of the above embodiment is:
[0026] When the injection-molded light guide plate with an optical microstructure is used, the light guide plate body 1, the mounting plate 15, and the reflective layer 4 are stacked together, the rubber pad 8 is sleeved on the outside of the fixing rod 6, and then the fixing rod 6 is inserted into the inside of the fixing hole 2, and the handle 14 is pulled to the right, and the handle 14 drives the limit rod 11 to move to the right, so that the connecting plate 13 squeezes the spring 12, and then the limit plate 9 is sleeved on the outside of the fixing rod 6, and the limit plate 9 is squeezed upward, and then the handle 14 is released, and the limit rod 11 is inserted into the inside of the limit groove by the spring 12 to limit and fix the limit plate 9, so that each layer can be fixed, and the rubber pad 8 is provided to avoid the light guide plate body 1 from being crushed, and then the shading paper 5 is glued around the light guide plate body 1, and a plurality of micro lenses 3 are provided on the light guide plate body 1, so that the optically designed micro structure is used to make the light evenly distributed on the entire surface of the light guide plate body 1, and the light guide uniformity reaches 90%, which is convenient for users to use and increases the practicality of the light guide plate.
[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An injection-molded light guide plate with an optical microstructure, comprising a light guide plate body (1), characterized in that: The light guide plate body (1) is provided with a fixing hole (2), the light guide plate body (1) is provided with a reinforcing mechanism, and the light guide plate body (1) is provided with four fixing components; The reinforcing mechanism comprises a plurality of microlenses (3) arranged on a light guide plate body (1); a reflective layer (4) is arranged at the bottom of the light guide plate body (1); a mounting plate (15) is arranged at the bottom of the light guide plate body (1); and light-shielding paper (5) is arranged around the light guide plate body (1).
2. The injection-molded light guide plate with an optical microstructure according to claim 1, characterized in that: The fixing assembly comprises a fixing rod (6) slidably connected to the inside of the fixing hole (2); a fixing plate (7) is fixedly connected to the top of the fixing rod (6); two rubber pads (8) are sleeved on the outside of the fixing rod (6); a limiting plate (9) is slidably connected to the outside of the fixing rod (6); a cavity (10) is provided inside the limiting plate (9); a limiting rod (11) is slidably connected inside the cavity (10); a spring (12) is sleeved on the outside of the limiting rod (11); and a connecting plate (13) is fixedly connected to the outside of the limiting rod (11).
3. The injection molded light guide plate with optical microstructure according to claim 1, characterized in that: The number of microlenses (3) is fifty-six per square centimeter.
4. The injection-molded light guide plate with an optical microstructure according to claim 2, characterized in that: The rubber pad (8) and the limiting plate (9) are both provided with circular through holes, and the inside of the circular through holes is slidably connected to the outside of the fixing rod (6).
5. The injection-molded light guide plate with an optical microstructure according to claim 2, characterized in that: A handle (14) for easy pulling is fixedly connected to the limiting rod (11).
6. The injection-molded light guide plate with an optical microstructure according to claim 2, characterized in that: The fixing rod (6) is provided with a limiting groove, the size of which matches the size of the limiting rod (11).
7. The injection-molded light guide plate with an optical microstructure according to claim 2, characterized in that: One side of the spring (12) is fixedly connected to the inner wall of the cavity (10), and the other side of the spring (12) is fixedly connected to one side of the connecting plate (13).