Printing product capable of improving light uniformity
By using printing technology to form a diffusely reflected protective isolation layer and diffused ink layer in the display module, the problem of uneven spot LED light sources is solved, and cost-effectiveness is improved and usage flexibility is achieved.
Patent Information
- Application Number
- CN202422174251.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-05
AI Technical Summary
The dot-shaped LED light source in the existing display module causes uneven dispersion of the light source, and the light transmittance is fixed and costly when using the diffusion sheet.
The protective isolation layer, diffusion ink layer and transparent white layer are used to replace the diffusion sheet by printing, forming diffuse reflection with uniform light, and providing stability and protection through transparent PC/PET materials.
The uniformity of the light source is improved while reducing costs, and the light transmittance and thickness can be customized according to the needs, improving the flexibility of use.
Smart Images

Figure CN223155258U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printed products, in particular to a printed product for improving light uniformity. Background Art
[0002] At present, the common structure of the display module on the market is dot-shaped LED light source + lamp holder + color film + screen + cover plate. Since it is a dot-shaped LED light source, the light source is dispersed and uneven, thus affecting the display effect of the module; at this time, a diffusion sheet is needed to make the dot-shaped light source uniform. At present, the light transmittance of the diffusion sheet on the market is fixed and the price is expensive, thus increasing the product cost. Therefore, we propose a printed product for improving light uniformity. Content of the Utility Model
[0003] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a printed product for improving light uniformity.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0005] A printed product for improving light uniformity includes a first protective isolation layer, a first diffusion ink layer, a first transparent white layer, transparent PC / PET, a second transparent white layer, a second diffusion ink layer and a second protective isolation layer. The first protective isolation layer, the first diffusion ink layer, the first transparent white layer, transparent PC / PET, the second transparent white layer, the second diffusion ink layer and the second protective isolation layer are arranged in sequence from top to bottom. The first transparent white layer and the second transparent white layer are printed on the top of the transparent PC / PET and the top of the second diffusion ink layer by screen printing, flexographic printing and digital printing respectively.
[0006] Preferably, both the first protective isolation layer and the second protective isolation layer are transparent polymer film materials, which are used to isolate and protect the first diffusion ink layer, the first transparent white layer, transparent PC / PET, the second transparent white layer and the second diffusion ink layer.
[0007] Preferably, both the first diffusion ink layer and the second diffusion ink layer are printed by spraying, screen printing and flexographic printing, and the point light forms diffuse reflection to make the light uniform.
[0008] Preferably, both the first transparent white layer and the second transparent white layer can be customized into light-transmitting layers with different light transmittances.
[0009] Preferably, the transparent PC / PET has strong physical and chemical stability, can be tested by high temperature, low temperature, high temperature and high humidity and thermal shock, does not fade and does not deform. The transparent PC / PET can be.mm thick transparent PC.
[0010] Preferably, both the first protective isolation layer and the second protective isolation layer can be processed from a material of 50μm polyester film + 25μm acrylic pressure-sensitive adhesive. The surface of the material has been treated and has good adaptability.
[0011] Preferably, the first transparent white layer and the second transparent white layer can be transparent white ink, which can achieve a light transmittance of 50%.
[0012] Compared with the existing technology, the beneficial effects of the present utility model are as follows:
[0013] The present utility model uses ordinary transparent PC / PET to replace the diffusion sheet through printing. It can also make the point light source uniform, effectively improve the light homogenization, and greatly reduce the cost through printing. In addition, the light transmittance and thickness of the whole product can be customized according to needs, improving the flexibility of use and meeting the usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 FIG. is a schematic structural diagram of a printing product for improving light homogenization proposed by the present utility model.
[0015] In the figure: 10, the first protective isolation layer; 20, the first diffusion ink layer; 30, the first transparent white layer; 40, transparent PC / PET; 50, the second transparent white layer; 60, the second diffusion ink layer; 70, the second protective isolation layer. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0016] Hereinafter, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0017] Refer to Figure 1 , a printing product for improving light homogenization, including a first protective isolation layer 10, a first diffusion ink layer 20, a first transparent white layer 30, transparent PC / PET 40, a second transparent white layer 50, a second diffusion ink layer 60 and a second protective isolation layer 70. The first protective isolation layer 10, the first diffusion ink layer 20, the first transparent white layer 30, transparent PC / PET 40, the second transparent white layer 50, the second diffusion ink layer 60 and the second protective isolation layer 70 are arranged in sequence from top to bottom. Among them, both the first protective isolation layer 10 and the second protective isolation layer 70 are transparent polymer film materials, used for isolating and protecting the first diffusion ink layer 20, the first transparent white layer 30, transparent PC / PET 40, the second transparent white layer 50 and the second diffusion ink layer 60. Both the first protective isolation layer 10 and the second protective isolation layer 70 can be processed from a material of 50μm polyester film + 25μm acrylic pressure-sensitive adhesive. The surface of the material has been treated and has good adaptability;
[0018] The transparent white layer 1 (30) and the transparent white layer 2 (50) are respectively printed on the top of the transparent PC / PET (40) and the top of the diffusion ink layer 2 (60) by means of screen printing, flexographic printing, and digital printing. Both the transparent white layer 1 (30) and the transparent white layer 2 (50) can be customized into light-transmitting layers with different light transmittances. The transparent white layer 1 (30) and the transparent white layer 2 (50) can be transparent white inks, capable of achieving a light transmittance of 50%.
[0019] Both the diffusion ink layer 1 (20) and the diffusion ink layer 2 (60) are printed by means of spraying, screen printing, and flexographic printing. The point light forms diffuse reflection to make the light uniform. The transparent PC / PET (40) has strong physical and chemical stability and can be tested by high temperature, low temperature, high temperature and high humidity, and thermal shock without fading or deformation. The transparent PC / PET (40) can be 0.18 mm thick transparent PC. In this utility model, ordinary transparent PC / PET is used to replace the diffusion sheet through printing, which can also make the point light source uniform, effectively improve the light uniformity, and can greatly reduce the cost through the printing method. In addition, the light transmittance and thickness of the whole product can be customized according to needs, improving the flexibility of use and meeting the usage requirements.
[0020] Working principle: During production, 0.18 mm thick transparent PC can be selected, and the transparent white layer 1 (30) and the transparent white layer 2 (50) are printed on its top and bottom by means of screen printing, flexographic printing, and digital printing. The light transmittance of the printed transparent white layer 1 (30) and the transparent white layer 2 (50) can be customized according to the usage needs. Then, the diffusion ink layer 1 (20) and the diffusion ink layer 2 (60) are printed on the sides of the transparent white layer 1 (30) and the transparent white layer 2 (50) away from the transparent PC by means of spraying, screen printing, flexographic printing, etc. The point light forms diffuse reflection to make the light uniform, thereby effectively improving the light uniformity of the printed product. In addition, the protection isolation layer 1 (10) and the protection isolation layer 2 (70) are provided on the diffusion ink layer 1 (20) and the diffusion ink layer 2 (60) to isolate and protect the whole printed product, thereby improving the adaptability of the product. In addition, the cost of the whole product can be greatly reduced through the printing method.
[0021] The above is only the preferred specific implementation mode of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.
Claims
1. A printed product for improving light uniformity, characterized in that It includes a first protective isolation layer (10), a first diffusion ink layer (20), a first transparent white layer (30), a transparent PC / PET (40), a second transparent white layer (50), a second diffusion ink layer (60) and a second protective isolation layer (70). The first protective isolation layer (10), the first diffusion ink layer (20), the first transparent white layer (30), the transparent PC / PET (40), the second transparent white layer (50), the second diffusion ink layer (60) and the second protective isolation layer (70) are arranged in sequence from top to bottom. The first transparent white layer (30) and the second transparent white layer (50) are respectively printed on the top of the transparent PC / PET (40) and the top of the second diffusion ink layer (60) by means of screen printing, flexographic printing or digital printing.
2. The printed product for enhancing light uniformity according to claim 1, characterized in that, Both the first protective isolation layer (10) and the second protective isolation layer (70) are transparent polymer film materials, which are used to isolate and protect the first diffusion ink layer (20), the first transparent white layer (30), the transparent PC / PET (40), the second transparent white layer (50) and the second diffusion ink layer (60).
3. A printed product for enhancing light uniformity according to claim 1, wherein Both the first diffusion ink layer (20) and the second diffusion ink layer (60) are printed by means of spraying, screen printing or flexographic printing, forming diffuse reflection of point light to make the light uniform.
4. A printed product for enhancing light uniformity according to claim 1, characterized in that, Both the first transparent white layer (30) and the second transparent white layer (50) can be customized into light-transmitting layers with different light transmittance.
5. A printed product for enhancing light uniformity according to claim 1, characterized in that The transparent PC / PET (40) can be 0.18 mm thick transparent PC.
6. A printed product for enhancing light uniformity according to claim 1, wherein Both the first protective isolation layer (10) and the second protective isolation layer (70) can be processed from a 50 μm polyester film + 25 μm acrylic pressure-sensitive adhesive material.
7. A printed product for enhancing light uniformity according to claim 1, characterized in that, Both the first transparent white layer (30) and the second transparent white layer (50) can be transparent white ink, capable of achieving a light transmittance of 50%.