Light-emitting diode (LED) flexible display screen shading separating wall and manufacturing process thereof

Abstract

The invention relates to the field of flexible display screens, in particular to an LED flexible display screen shading isolation wall and a manufacturing process thereof. The manufacturing process comprises the following steps: creating a shading isolation wall pattern based on the design requirement of the LED flexible display screen; a PCB of the LED flexible display screen is placed on a working platform of a UV printer, and it is ensured that the placement position of the PCB of the LED flexible display screen meets the printing position requirement; starting the UV printer to print a shading isolation wall on the PCB according to preset parameters; and carrying out quality inspection on the shading isolation wall to obtain whether the shading isolation wall has defects or not. Through the manufacturing process, the product manufacturing quality of the final LED flexible display screen can be improved.

Description

Technical Field

[0001] The present application relates to the field of flexible display screens, and in particular to a light-shielding isolation wall for an LED flexible display screen and a manufacturing process thereof. Background Art

[0002] LED flexible display is an advanced display technology that combines the high efficiency of LED (light emitting diode) with the bendable properties of flexible materials. This display is widely used in various occasions, such as consumer electronics, billboards, stage backgrounds, etc., due to its advantages such as lightness, energy saving, high brightness and wide viewing angle. In LED flexible display, in order to ensure that the light between the display areas does not interfere with each other, improve the contrast and image quality, and avoid blurry images or impure colors caused by light leakage, a light-shielding isolation wall needs to be set between each LED pixel.

[0003] However, the traditional preparation process of the light-shielding isolation wall usually uses soft materials to make the light-shielding isolation wall, and attaches it to the PCB board through adhesive. In the process of manual or semi-automatic attachment using soft materials and adhesives, it is difficult to ensure the precise positioning of the light-shielding isolation wall. Any slight position deviation may cause light leakage between LED pixels, affecting the display effect. In addition, when manual operation or the degree of automation of traditional machinery is not high, the consistency between different batches of products is difficult to ensure, which can easily cause product quality fluctuations. Over time or environmental changes, the adhesive may age or fail, causing the light-shielding isolation wall to fall off or shift, thereby affecting the long-term performance and reliability of the display.

[0004] Therefore, an optimized manufacturing process for the light-shielding isolation wall of the LED flexible display screen is desired, which can use UV printing technology to accurately print the light-shielding isolation wall onto the PCB board. Summary of the invention

[0005] This application is made in consideration of the above problems. One object of this application is to provide a light-shielding isolation wall for a LED flexible display screen and a manufacturing process thereof.

[0006] The embodiment of the present application provides a manufacturing process of a light-shielding isolation wall of an LED flexible display screen, which includes:

[0007] Create a light-shielding isolation wall pattern based on the design requirements of the LED flexible display;

[0008] Placing the PCB board of the LED flexible display screen on the working platform of the UV printer, and ensuring that the placement position of the PCB board of the LED flexible display screen meets the printing position requirements;

[0009] Start the UV printer to print a light-shielding isolation wall on the PCB board according to preset parameters;

[0010] The light-shielding isolation wall is subjected to quality inspection to determine whether the light-shielding isolation wall has any defects.

[0011] For example, according to the manufacturing process of the light-shielding isolation wall of the LED flexible display screen according to the embodiment of the present application, the light-shielding isolation wall is subjected to quality inspection to determine whether the light-shielding isolation wall has defects, including:

[0012] Extracting the light-shielding isolation wall pattern;

[0013] Acquire a printing state image of the light-shielding isolation wall captured by a camera;

[0014] Extracting light-shielding isolation wall state features from the printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern respectively to obtain light-shielding isolation wall pattern printing state features and light-shielding isolation wall pattern design state features;

[0015] Performing feature-significant joint perception on the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature to obtain a light-shielding isolation wall design-printing state comparison joint perception representation;

[0016] Based on the light-shielding isolation wall design-printing state comparison joint perception representation, state identification is performed to determine whether the light-shielding isolation wall has defects.

[0017] For example, according to the manufacturing process of the light-shielding isolation wall of the LED flexible display screen according to the embodiment of the present application, the light-shielding isolation wall state feature extraction is performed on the printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern to obtain the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature, including:

[0018] The printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern are respectively input into the light-shielding isolation wall state feature extractor based on the Mobile-Former model to obtain a light-shielding isolation wall pattern printing state feature coding map as the light-shielding isolation wall pattern printing state feature and a light-shielding isolation wall pattern design state feature coding map as the light-shielding isolation wall pattern design state feature.

[0019] For example, according to the manufacturing process of the light-shielding partition wall of the LED flexible display screen according to the embodiment of the present application, the light-shielding partition wall pattern printing state feature and the light-shielding partition wall pattern design state feature are subjected to feature-significant joint perception to obtain a light-shielding partition wall design-printing state comparison joint perception representation, including:

[0020] Performing shape reshaping-type prior-guided modulation processing on the light-shielding isolation wall pattern printing state characteristic coding map and the light-shielding isolation wall pattern design state characteristic coding map to obtain a prior-modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and a prior-modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix;

[0021] Performing attention interaction encoding on the prior modulated light-shielding isolation wall pattern printing state feature shape reshaping matrix and the prior modulated light-shielding isolation wall pattern design state feature shape reshaping matrix to obtain a light-shielding isolation wall pattern printing state-design state feature interaction encoding matrix and a light-shielding isolation wall pattern design state-printing state feature interaction encoding matrix;

[0022] The light-shielding isolation wall pattern printing state-design state feature interactive coding matrix and the light-shielding isolation wall pattern design state-printing state feature interactive coding matrix are subjected to shape reshaping feature fusion to obtain a light-shielding isolation wall design-printing state comparison joint perception coding diagram as the light-shielding isolation wall design-printing state comparison joint perception representation.

[0023] For example, according to the manufacturing process of the light-shielding partition wall of the LED flexible display screen of the embodiment of the present application, the light-shielding partition wall pattern printing state characteristic coding map and the light-shielding partition wall pattern design state characteristic coding map are subjected to shape reshaping prior-guided modulation processing to obtain a prior-modulated light-shielding partition wall pattern printing state characteristic shape reshaping matrix and a prior-modulated light-shielding partition wall pattern design state characteristic shape reshaping matrix, including:

[0024] Reshaping the light-shielding isolation wall pattern printing state characteristic coding diagram and the light-shielding isolation wall pattern design state characteristic coding diagram to obtain a light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and a light-shielding isolation wall pattern design state characteristic shape reshaping matrix;

[0025] The light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and the light-shielding isolation wall pattern design state characteristic shape reshaping matrix are input into a priori guided modulation module to obtain the priori modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and the priori modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix.

[0026] For example, according to the manufacturing process of the light-shielding isolation wall of the LED flexible display screen embodiment of the present application, the prior modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and the prior modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix are subjected to attention interaction encoding to obtain the light-shielding isolation wall pattern printing state-design state characteristic interaction encoding matrix and the light-shielding isolation wall pattern design state-printing state characteristic interaction encoding matrix, including: inputting the prior modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and the prior modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix into an attention interaction encoding module based on a converter-like structure to obtain the light-shielding isolation wall pattern printing state-design state characteristic interaction encoding matrix and the light-shielding isolation wall pattern design state-printing state characteristic interaction encoding matrix.

[0027] For example, according to the manufacturing process of the shading isolation wall of the LED flexible display screen of the embodiment of the present application, the shading isolation wall pattern printing state-design state feature interaction coding matrix and the shading isolation wall pattern design state-printing state feature interaction coding matrix are subjected to shape reshaping feature fusion to obtain the shading isolation wall design-printing state comparison joint perception coding map as the shading isolation wall design-printing state comparison joint perception representation, including:

[0028] Reshaping the light-shielding isolation wall pattern printing state-design state feature interactive coding matrix and the light-shielding isolation wall pattern design state-printing state feature interactive coding matrix to obtain a light-shielding isolation wall design-printing state feature interactive coding feature map and a light-shielding isolation wall design-printing state feature interactive coding feature map;

[0029] The weighted sum of the light-shielding isolation wall design-printing state feature interactive coding feature map and the light-shielding isolation wall design-printing state feature interactive coding feature map is calculated to obtain the light-shielding isolation wall design-printing state comparison joint perception coding map.

[0030] For example, according to the manufacturing process of the light-shielding isolation wall of the LED flexible display screen embodiment of the present application, state identification is performed based on the light-shielding isolation wall design-printing state comparison joint perception representation to determine whether the light-shielding isolation wall has defects, including: inputting the light-shielding isolation wall design-printing state comparison joint perception coding diagram into a classifier-based state identifier to obtain an identification result, and the identification result is used to indicate whether the light-shielding isolation wall has defects.

[0031] An embodiment of the present application further provides a light-shielding isolation wall for an LED flexible display screen, wherein the light-shielding isolation wall for an LED flexible display screen is manufactured by any of the manufacturing processes for the light-shielding isolation wall for an LED flexible display screen as described above.

[0032] According to the LED flexible display screen light-shielding isolation wall and its manufacturing process of the embodiment of the present application, the flexibility and efficiency of production are improved, and higher printing accuracy can be achieved, thereby helping to improve the display effect of the final LED flexible display screen product. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments of the present application are briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present application, and are not intended to limit the present application.

[0034] Figure 1 A flow chart showing a manufacturing process of a light-shielding isolation wall for an LED flexible display screen in an embodiment of the present application is shown;

[0035] Figure 2 A flowchart of sub-step S540 of the manufacturing process of the light-shielding isolation wall of the LED flexible display screen in an embodiment of the present application is shown;

[0036] Figure 3 A flowchart of sub-step S544 of the manufacturing process of the light-shielding isolation wall of the LED flexible display screen in the embodiment of the present application is shown;

[0037] Figure 4 A schematic diagram showing the structure of a manufacturing system for a light-shielding isolation wall of an LED flexible display screen in an embodiment of the present application is shown; and

[0038] Figure 5 A schematic diagram of an LED flexible display screen in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without creative work also fall within the scope of protection of the present application.

[0040] The terms used in this specification are those common terms currently widely used in the art in consideration of the functions of the present application, but these terms may vary according to the intentions of those skilled in the art, precedents, or new technologies in the art. In addition, specific terms may be selected, and in this case, their detailed meanings will be described in the detailed description of the present application. Therefore, the terms used in the specification should not be understood as simple names, but rather as a general description based on the meaning of the terms and the present application.

[0041] Although the present application makes various references to certain modules in the system according to the embodiments of the present application, any number of different modules can be used and run on the user terminal and / or server. The modules are only illustrative, and different aspects of the system and method can use different modules.

[0042] Flowcharts are used in the present application to illustrate the operations performed by the system according to the embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed accurately in order. On the contrary, various steps may be processed in reverse order or simultaneously as required. At the same time, other operations may also be added to these processes, or a certain step or several steps of operations may be removed from these processes.

[0043] In addition, the application architecture diagram in the embodiment of the present application is intended to more clearly illustrate the technical solution in the embodiment of the present application, and does not constitute a limitation on the technical solution provided in the embodiment of the present application. Of course, for other application architectures and business applications, the technical solution provided in the embodiment of the present application is also applicable to similar problems.

[0044] The following is a non-restrictive description of the manufacturing process of the LED flexible display screen light-shielding isolation wall provided according to at least one embodiment of the present application through several examples or embodiments. As described below, different features in these specific examples or embodiments can be combined with each other without conflicting with each other to obtain new examples or embodiments, and these new examples or embodiments also fall within the scope of protection of the present application.

[0045] The traditional light-shielding isolation wall preparation process uses soft materials and adhesives to attach to the PCB board. This process is difficult to ensure accurate positioning due to manual or semi-automatic operations, which can easily cause light leakage between LEDs and affect the display effect. At the same time, low automation also leads to poor consistency between product batches and large quality fluctuations. In the long run, the adhesive may age and cause the isolation wall to fall off or shift, damaging the performance and reliability of the display.

[0046] In view of the above technical problems, in the technical solution of this application, a preparation process of a light-shielding isolation wall for a LED flexible display screen is proposed. Figure 1 The flowchart of the manufacturing process of the LED flexible display screen light shielding isolation wall in the embodiment of the present application is shown. Figure 1As shown, according to the manufacturing process of the light-shielding isolation wall of the LED flexible display screen of the embodiment of the present application, the steps include: S510, creating a light-shielding isolation wall pattern based on the design requirements of the LED flexible display screen; S520, placing the PCB board of the LED flexible display screen on the working platform of the UV printer, and ensuring that the placement position of the PCB board of the LED flexible display screen meets the printing position requirements; S530, starting the UV printer to print the light-shielding isolation wall on the PCB board according to the preset parameters; S540, performing quality inspection on the light-shielding isolation wall to obtain whether the light-shielding isolation wall has defects. The preparation process of the light-shielding isolation wall of the LED flexible display screen can adopt UV printing technology to accurately print the light-shielding isolation wall on the PCB according to the display diagram. It should be understood that the UV printing technology uses ultraviolet curing ink, and can directly print the light-shielding material accurately on the PCB board according to the preset pattern without using a mold. This method avoids the defects of the traditional light-shielding isolation wall preparation process, not only improves the flexibility and efficiency of production, but also can achieve higher printing accuracy, so that the display film is then attached to the LED flexible PCB through relevant equipment, which helps to improve the display effect of the final LED flexible display screen product.

[0047] It is worth mentioning that, regarding step S510, creating the light-shielding isolation wall pattern is a key step in the manufacturing process of LED flexible display screens. It not only needs to accurately match the specific specifications and performance indicators of the display design, but also fully consider the unique needs of the application scenario. The entire process starts from demand analysis to pattern review and confirmation, ensuring that each step is closely connected, and the final light-shielding isolation wall can meet the requirements of high efficiency and high precision.

[0048] First, it is necessary to have a deep understanding of the design requirements of LED flexible displays, including specific parameters such as screen size, resolution, pixel pitch (P value), bending radius, etc., while taking into account the expected application scenarios, such as ambient light conditions, viewing distance and other factors. This information is crucial to determine the basic parameters of the light-shielding partition wall, such as width, height, shape and material properties, which will directly affect the optical performance, such as contrast and color purity, while also taking into account the thin and light characteristics of the flexible screen to ensure that the overall weight and thickness meet the design standards. Next, use computer-aided design (CAD) or computer-aided manufacturing (CAM) software to draw the precise pattern of the light-shielding partition wall. In this process, the position information of each LED pixel is converted into a corresponding light-shielding structure model, and the relative position relationship between the light-shielding partition wall and the LED pixel is defined to ensure that there is no gap between the two and no overlap occurs, thereby avoiding light leakage problems. In order to achieve the best results, the geometric shape, thickness distribution and other characteristics of the light-shielding partition wall need to be optimized and adjusted. This step may involve multiple iterations to ensure performance at different viewing angles and stable performance under various operating temperatures, humidity and other environmental factors. In order to further verify the feasibility of the design, the designed shading partition wall is virtually tested using simulation tools. By simulating different usage conditions, it is possible to evaluate whether it can maintain stable performance in the actual application environment, and check whether there are any potential problems, such as shadow effects or reflection interference. According to the simulation results, the original design is adjusted as necessary to optimize the performance of the shading partition wall. In addition, it is necessary to consider possible problems in the production process, such as the rheology of ink during UV printing, to ensure that the design scheme is highly operable in actual manufacturing. After the design is completed, a file format suitable for the UV printer is generated, usually a vector graphics file (such as DXF, AI, etc.), to ensure that all details can be accurately communicated to the printing device. For complex patterns, it may also be necessary to write specific printing instruction codes to instruct the UV printer to operate according to the preset path and speed. Finally, the generated shading partition wall pattern is fully reviewed to check whether there are any errors or non-compliance with the design standards. After ensuring that there are no errors, the pattern data is sent to the UV printer on the production line to prepare for the actual printing job.

[0049] Then, regarding step S520, in the manufacturing process of the LED flexible display screen, placing the PCB board on the working platform of the UV printer and ensuring that its position meets the printing requirements is a crucial step. This process not only requires ensuring that the PCB board is correctly and stably fixed on the workbench, but also ensuring that it is accurately aligned with the printing position to achieve accurate printing of the light-shielding isolation wall pattern. The entire process, from equipment preparation to the final printing start, is closely linked to each link, which together ensures high-quality product output.

[0050] First of all, before the operation begins, it is necessary to ensure that the UV printer and its related equipment are in the best condition and calibrated. This means checking whether the various settings of the printer meet the production requirements, including resolution, ink type, etc., and confirming that the platform surface is clean and flat, without foreign objects or scratches that may affect the printing quality. Good equipment status is the basis for ensuring that all subsequent operations proceed smoothly. Next, according to the pre-set design files and process parameters, the specific placement of the PCB board on the workbench is determined. In order to achieve high-precision requirements, positioning fixtures are usually installed on the workbench or a visual alignment system is used to assist in the placement of the PCB board. The positioning fixture provides mechanical fixation, while the visual alignment system captures the marking points or feature graphics on the PCB board through a camera, compares and analyzes the data in the design file, and automatically adjusts the position of the PCB board to ensure that it matches the printing path exactly. This method not only improves accuracy, but also significantly shortens preparation time, laying the foundation for efficient production. Once the placement of the PCB board is determined, the next step is to securely fix it on the workbench. Considering the material characteristics of the flexible PCB board, it is usually fixed by vacuum adsorption. There are many small holes on the workbench. When the vacuum pump is started, these small holes will generate suction to press the PCB board tightly onto the platform to prevent any displacement during the printing process. In addition, in some cases, edge clamping devices may be used in combination to further enhance the stability of the fixation and ensure that the PCB board will not move or deform during the entire printing process. After completing the above preparations, a final check is required to ensure that the PCB board is indeed in the correct position and has not been damaged or deformed due to the fixation process. At the same time, it is also necessary to confirm that all necessary printing parameters have been entered into the UV printer, such as pattern size, color mode, printing speed, etc. This step is crucial because it directly affects whether the light-shielding isolation wall pattern can accurately fall within the predetermined area and whether the printing effect meets the expected quality standards. Before officially starting printing, a test print is generally performed to verify whether all settings are correct. The test print can be used to check whether the pattern can accurately fall within the predetermined area and whether the printing effect meets the expected quality standards. If everything is normal, the UV printer can be officially started to accurately print the light-shielding isolation wall pattern onto the PCB board according to the established procedure.

[0051] Next, regarding step S530, starting the UV printer to print the light-shielding isolation wall on the PCB board according to the preset parameters is a process that requires precise control and technical support. This process not only involves the startup and parameter setting of the equipment, but also includes the monitoring and adjustment of the entire printing process to ensure that the light-shielding isolation wall finally printed can meet the design requirements and reach the expected quality standards.

[0052] After all preparations are completed, configure the various settings of the UV printer according to the pre-set design files and process parameters. These parameters include but are not limited to printing resolution, ink flow, printing speed, layer thickness (if multi-layer printing is involved), UV curing intensity, etc. The selection of each parameter is based on the specific needs of the LED flexible display and the functional characteristics of the light-shielding isolation wall. For example, in order to ensure the light-shielding effect, a higher printing resolution may be required; and in order to ensure good adhesion and durability of the material, the appropriate UV curing intensity needs to be adjusted. After completing the parameter setting, the next step is preheating and calibration. UV printers usually enter the preheating state before starting, so that the nozzle temperature rises to the optimal working range, and at the same time checks whether each system is operating normally. During the calibration process, the machine automatically detects the position accuracy of the nozzle and makes fine adjustments as needed to ensure that every point can accurately fall on the predetermined position during printing. In addition, the intensity and uniformity of the UV light source are tested to ensure the consistency of the curing effect. Next, the printing process is officially started. Start the UV printer through the operation interface, and the printer will automatically perform the printing task according to the previously set parameters. During the printing process, the nozzle of the UV printer will accurately deposit ink or special materials on the surface of the PCB board according to the path defined in the design file to form the pattern of the light-shielding isolation wall. At the same time, the built-in UV lamp will immediately irradiate the newly deposited material to quickly solidify it and form a solid structure. In order to ensure the printing quality, various indicators such as printing progress, ink volume, and curing effect are closely monitored during the printing process. If any abnormal situation is found, such as nozzle blockage or incomplete curing, measures should be taken in time to deal with it to avoid affecting the final product quality. For complex patterns or large-area printing, it may be carried out in stages, that is, a part of the area is printed first and preliminarily inspected, and then the remaining part is printed to ensure overall consistency. When all the light-shielding isolation wall patterns are printed, a comprehensive quality inspection is required. This step usually includes two aspects: visual inspection and instrument measurement. Visual inspection is mainly to check whether there are obvious defects in the light-shielding isolation wall, such as missing printing, color deviation, etc.; while instrument measurement is used to evaluate whether its dimensional accuracy, thickness uniformity, and optical performance meet the design requirements. For parts that do not meet the standards, reprinting or local correction can be considered. Finally, once the quality of the light-shielding partition wall is confirmed to be up to standard, the PCB board can be removed from the workbench of the UV printer and prepared to enter the next production link. The entire printing process is not only a technical challenge, but also a test of production technology and quality control capabilities. Through careful operation and strict quality management, it can be ensured that each LED flexible display can have a high-performance light-shielding partition wall, thereby providing a clear, bright and stable display effect.

[0053] In particular, in the preparation process of the above-mentioned LED flexible display screen shading partition wall, the step of quality inspection of the shading partition wall to obtain whether the shading partition wall has defects is crucial, because the main function of the shading partition wall is to prevent light leakage between different LED pixels, thereby ensuring high contrast and clear image quality. However, various manufacturing errors may occur during UV printing, such as uneven ink distribution, thickness variation, edge jaggedness, etc. These manufacturing errors and defects may cause light leakage, thereby affecting the final display effect, such as blurred images, impure colors, etc. These subtle but possible problems that may affect product quality can be identified through quality inspection, and corresponding corrective measures can be taken. Specifically, in the process of quality inspection of the shading partition wall, the technical concept of the present application is to extract the shading partition wall pattern, and input it together with the printing state image of the shading partition wall collected by the camera into the image processing and analysis algorithm based on artificial intelligence and deep learning for processing, so as to capture the contrast joint perception information between the printing state characteristics and the design state characteristics of the shading partition wall pattern, and use this contrast information to identify the actual state and quality inspection of the shading partition wall to determine whether the shading partition wall has defects. In this way, it is possible to automatically determine whether the light-shielding isolation wall has defects based on the joint pattern comparison between the printing state and the design state of the light-shielding isolation wall, thereby improving the intelligence level of the manufacturing and quality inspection of the light-shielding isolation wall of the LED flexible display screen, and helping to improve the final product manufacturing quality of the LED flexible display screen.

[0054] Accordingly, if Figure 2 As shown, in step S540, the light-shielding isolation wall is quality inspected to determine whether the light-shielding isolation wall has defects, including: S541, extracting the light-shielding isolation wall pattern; S542, acquiring the printing state image of the light-shielding isolation wall captured by a camera; S543, performing light-shielding isolation wall state feature extraction on the printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern respectively to obtain the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature; S544, performing feature significant joint perception on the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature to obtain the light-shielding isolation wall design-printing state comparison joint perception representation; S545, performing state recognition based on the light-shielding isolation wall design-printing state comparison joint perception representation to determine whether the light-shielding isolation wall has defects.

[0055] Specifically, in the technical solution of the present application, first, the light-shielding isolation wall pattern is extracted, and a printing state image of the light-shielding isolation wall captured by a camera is acquired.

[0056] Correspondingly, in step S543, light-shielding isolation wall state feature extraction is performed on the printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern respectively to obtain light-shielding isolation wall pattern printing state feature and light-shielding isolation wall pattern design state feature, including: inputting the printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern into a light-shielding isolation wall state feature extractor based on the Mobile-Former model respectively to obtain a light-shielding isolation wall pattern printing state feature coding map as the light-shielding isolation wall pattern printing state feature and a light-shielding isolation wall pattern design state feature coding map as the light-shielding isolation wall pattern design state feature.

[0057] It should be understood that, since the printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern respectively reflect the printing state information and design state information of the light-shielding isolation wall, in order to be able to effectively inspect the light-shielding isolation wall to determine whether there are defects, it is necessary to capture its printing state characteristics and design state characteristics, and compare and analyze the state characteristics of the two. Therefore, in order to achieve a highly accurate and automated evaluation of the quality of the light-shielding isolation wall, in the technical solution of the present application, the printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern are further input into the light-shielding isolation wall state feature extractor based on the Mobile-Former model to obtain the light-shielding isolation wall pattern printing state feature coding map and the light-shielding isolation wall pattern design state feature coding map. It should be understood that, since the Mobile-Former model is an efficient deep learning architecture that combines the advantages of convolutional neural networks (CNNs) and Transformers, it can provide powerful characterization capabilities with limited computing resources. Therefore, by using the Mobile-Former model-based light-shielding isolation wall state feature extractor, the printing state image of the light-shielding isolation wall and the pattern printing state features and design state features of the light-shielding isolation wall in the light-shielding isolation wall pattern can be captured respectively, which can ensure that subtle and important pattern features are captured from complex image data, which is crucial for more comprehensive and detailed comparative analysis to detect tiny defects in the light-shielding isolation wall.

[0058] Furthermore, the light-shielding isolation wall pattern printing state feature coding diagram and the light-shielding isolation wall pattern design state feature coding diagram respectively include the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature. However, in the actual quality inspection and defect identification process of the light-shielding isolation wall, the defects of the light-shielding isolation wall may be relatively subtle and exist in a local area, making it difficult to identify and detect. In other words, when identifying subtle light-shielding isolation wall pattern defects, the pattern state features expressed in the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature may be relatively similar, making it difficult to effectively compare and distinguish. Based on this, in the technical solution of the present application, the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature are further subjected to feature-significant joint perception to obtain a light-shielding isolation wall design-printing state comparison joint perception representation. Through the processing method of feature-significant joint perception, the domain knowledge of light-shielding isolation wall defect recognition or prior information in historical data can be integrated to enhance the model's understanding and expression capabilities of the printing state features of the light-shielding isolation wall pattern and the design state features of the light-shielding isolation wall pattern. On this basis, a converter structure is introduced to perform two-way attention interaction between the two features to generate a comprehensive feature representation that can more accurately reflect the intrinsic structure and semantic information between the printing state feature coding map of the light-shielding isolation wall pattern and the design state feature coding map of the light-shielding isolation wall pattern.

[0059] Specifically, the processing of feature-significant joint perception is to reshape the feature shape of the printing state feature coding map of the light-shielding isolation wall pattern and the design state feature coding map of the light-shielding isolation wall pattern respectively, and then perform prior guided modulation, so as to implement targeted selection and enhancement at the feature level by introducing prior information, thereby improving the model's ability to capture key light-shielding isolation wall pattern printing state feature information and light-shielding isolation wall pattern design state feature information, thereby improving the subsequent defect recognition accuracy. Furthermore, by dynamically capturing the complex interaction between the printing state features of the light-shielding isolation wall pattern and the design state features of the light-shielding isolation wall pattern with the help of a self-attention mechanism, the defect recognition scheme has stronger generalization ability and sensitivity to subtle changes. This helps to more comprehensively and accurately discover the subtle differences between the design state and the printing state of the light-shielding isolation wall pattern, such as color deviation, shape distortion, etc., so as to judge whether the printing quality of the light-shielding isolation wall meets the design requirements. In particular, it is worth mentioning that as deep learning models become more and more complex, it becomes increasingly difficult to understand their decision-making process. By explicitly incorporating prior information and historical data, the transparency of the model behavior is increased, which helps to better understand and optimize the joint comparative representation between the design state and the printing state of the shading isolation wall pattern, thereby providing a basis for subsequent shading isolation wall defect identification.

[0060] Accordingly, if Figure 3 As shown, in step S544, the printing state characteristics of the light-shielding isolation wall pattern and the design state characteristics of the light-shielding isolation wall pattern are subjected to feature-significant joint perception to obtain a light-shielding isolation wall design-printing state comparison joint perception representation, including: S5441, the light-shielding isolation wall pattern printing state characteristic coding map and the light-shielding isolation wall pattern design state characteristic coding map are subjected to shape reshaping-type prior-guided modulation processing to obtain a prior-modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and a prior-modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix; S5442, the prior-modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix is ​​subjected to shape reshaping-type prior-modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix is ​​subjected to shape reshaping-type prior-modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix is ​​subjected to shape reshaping-type prior-modulated light-shielding isolation wall pattern printing ... design state characteristic shape reshaping matrix is ​​subjected to shape reshaping-type prior-modulated light-shielding isolation wall pattern printing state characteristic shape resha The feature shape reshaping matrix and the prior modulated shading isolation wall pattern design state feature shape reshaping matrix are subjected to attention interaction encoding to obtain the shading isolation wall pattern printing state-design state feature interaction encoding matrix and the shading isolation wall pattern design state-printing state feature interaction encoding matrix; S5443, the shading isolation wall pattern printing state-design state feature interaction encoding matrix and the shading isolation wall pattern design state-printing state feature interaction encoding matrix are subjected to shape reshaping feature fusion to obtain the shading isolation wall design-printing state comparison joint perception encoding map as the shading isolation wall design-printing state comparison joint perception representation.

[0061] In the feature-significant joint perception processing flow, it first enters the feature shape reshaping stage for the light-shielding isolation wall pattern printing state feature coding map and the light-shielding isolation wall pattern design state feature coding map. In a specific example, each local feature matrix along the channel dimension of the light-shielding isolation wall pattern printing state feature coding map and the light-shielding isolation wall pattern design state feature coding map is expanded into a feature vector to obtain the light-shielding isolation wall pattern printing state feature shape reshaping matrix and the light-shielding isolation wall pattern design state feature shape reshaping matrix.

[0062] After completing the feature shape reshaping, the obtained light-shielding isolation wall pattern printing state feature shape reshaping matrix and the light-shielding isolation wall pattern design state feature shape reshaping matrix are sent to the prior guided modulation module for processing to obtain the prior modulated light-shielding isolation wall pattern printing state feature shape reshaping matrix and the prior modulated light-shielding isolation wall pattern design state feature shape reshaping matrix. In this module, the prior information, i.e., the information pre-set according to domain knowledge, historical data or other sources, is used to guide the model to better understand the input data. This pre-set information can be organized into a first learnable memory parameter matrix and a second learnable memory parameter matrix. This process can be regarded as a soft gating mechanism, in which the prior information is used as a gating signal to determine which features should be amplified and which should be weakened. Such modulation not only enhances the relevance of the features, but also enables the model to focus more on the information that is truly helpful in completing the task, thereby improving the interpretability and performance of the model.

[0063] The process can be expressed as follows:

[0064] M 1 =Reshape(F 1 )

[0065] M 2 =Reshape(F 2 )

[0066]

[0067] Among them, F 1 and F 2 are the characteristic coding diagram of the light-shielding isolation wall pattern printing state and the characteristic coding diagram of the light-shielding isolation wall pattern design state, Reshape(·) is the characteristic shape reshaping process, M 1 and M 2 are the characteristic shape reshaping matrix of the light-shielding isolation wall pattern printing state and the characteristic shape reshaping matrix of the light-shielding isolation wall pattern design state, M k and M v denote the first learnable memory parameter matrix and the second learnable memory parameter matrix respectively, norm(·) denotes the normalization function, M 1 ' and M 2 ' are respectively the prior modulation shading isolation wall pattern printing state characteristic shape reshaping matrix and the prior modulation shading isolation wall pattern design state characteristic shape reshaping matrix.

[0068] Correspondingly, in step S5441, the light-shielding isolation wall pattern printing state feature coding map and the light-shielding isolation wall pattern design state feature coding map are subjected to shape reshaping-type prior-guided modulation processing to obtain a prior-modulated light-shielding isolation wall pattern printing state feature shape reshaping matrix and a prior-modulated light-shielding isolation wall pattern design state feature shape reshaping matrix, including: performing feature shape reshaping on the light-shielding isolation wall pattern printing state feature coding map and the light-shielding isolation wall pattern design state feature coding map to obtain a light-shielding isolation wall pattern printing state feature shape reshaping matrix and a light-shielding isolation wall pattern design state feature shape reshaping matrix; inputting the light-shielding isolation wall pattern printing state feature shape reshaping matrix and the light-shielding isolation wall pattern design state feature shape reshaping matrix into a prior-guided modulation module to obtain the prior-modulated light-shielding isolation wall pattern printing state feature shape reshaping matrix and the prior-modulated light-shielding isolation wall pattern design state feature shape reshaping matrix.

[0069] Subsequently, the prior modulated shading isolation wall pattern printing state feature shape reshaping matrix and the prior modulated shading isolation wall pattern design state feature shape reshaping matrix after prior guided modulation are sent to the attention interaction encoding module based on the converter-like structure. The core of the converter structure lies in the self-attention mechanism, which enables the model to pay attention to any position in the entire sequence when processing sequence data. In the technical solution of the present application, the information of each position in the prior modulated shading isolation wall pattern printing state feature shape reshaping matrix can interact globally and finely with the information of each position in the prior modulated shading isolation wall pattern design state feature shape reshaping matrix to generate a shading isolation wall pattern printing state-design state feature interaction encoding matrix and a shading isolation wall pattern design state-printing state feature interaction encoding matrix containing fine-grained unidirectional interactive global information.

[0070] The process can be expressed as follows:

[0071]

[0072] Wherein, S is the scale of the prior modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix, that is, the length of the matrix multiplied by the width, is matrix multiplication, softmax(·) is the softmax function, M 1i ' and M 2i ' are respectively the light-shielding isolation wall pattern printing state-design state feature interactive coding matrix and the light-shielding isolation wall pattern design state-printing state feature interactive coding matrix.

[0073] Correspondingly, in step S5442, the prior modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and the prior modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix are subjected to attention interaction encoding to obtain the light-shielding isolation wall pattern printing state-design state characteristic interaction encoding matrix and the light-shielding isolation wall pattern design state-printing state characteristic interaction encoding matrix, including: inputting the prior modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and the prior modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix into an attention interaction encoding module based on a converter-like structure to obtain the light-shielding isolation wall pattern printing state-design state characteristic interaction encoding matrix and the light-shielding isolation wall pattern design state-printing state characteristic interaction encoding matrix.

[0074] After completing the attention interaction encoding, in order to restore the light-shielding isolation wall pattern printing state-design state feature interaction encoding matrix and the light-shielding isolation wall pattern design state-printing state feature interaction encoding matrix to a spatial structure that matches the original feature map (light-shielding isolation wall pattern printing state feature encoding map and light-shielding isolation wall pattern design state feature encoding map), so as to facilitate subsequent processing or combination with other feature maps, the feature shape will be reshaped again to obtain the light-shielding isolation wall design-printing state feature interaction encoding feature map and the light-shielding isolation wall design-printing state feature interaction encoding feature map. This step is not just a simple inverse operation, but may also involve further optimization in the decoding process, such as increasing the spatial resolution of the feature map by transposing convolution, or using interpolation methods to smooth feature transitions.

[0075] Finally, the light-shielding isolation wall design-printing state feature interactive coding feature map and the light-shielding isolation wall design-printing state feature interactive coding feature map are integrated by weighted summation to obtain a light-shielding isolation wall design-printing state contrast joint perception coding map. The weight distribution here is not fixed, but can be flexibly adjusted according to specific task requirements, data characteristics or experimental results. For example, the optimal weight can be automatically determined by learning, that is, the model itself learns how to optimally combine the two feature maps. The purpose of weighted summation is to combine the feature advantages of two different perspectives, retaining their respective unique expressions and achieving effective complementarity, thereby constructing a more complete and accurate feature description.

[0076] The process can be expressed as follows:

[0077] F 1 '=Reshape(M 1i ')

[0078] F 2 '=Reshape(M 2i ')

[0079] F c =αF 1 '+βF 2 '

[0080] Among them, F 1 ' and F 2 ' are respectively the light-shielding isolation wall design-printing state feature interactive coding feature map and the light-shielding isolation wall design-printing state feature interactive coding feature map, α and β are respectively the first weight coefficient and the second weight coefficient, F c A joint perception coding diagram for designing and contrasting printing states of the light-shielding isolation wall.

[0081] Correspondingly, in step S5443, the light-shading isolation wall pattern printing state-design state feature interaction coding matrix and the light-shading isolation wall pattern design state-printing state feature interaction coding matrix are subjected to shape reshaping feature fusion to obtain a light-shading isolation wall design-printing state comparison joint perception coding map as the light-shading isolation wall design-printing state comparison joint perception representation, including: performing feature shape reshaping on the light-shading isolation wall pattern printing state-design state feature interaction coding matrix and the light-shading isolation wall pattern design state-printing state feature interaction coding matrix to obtain a light-shading isolation wall design-printing state feature interaction coding feature map and a light-shading isolation wall design-printing state feature interaction coding feature map; calculating the weighted sum of the light-shading isolation wall design-printing state feature interaction coding feature map and the light-shading isolation wall design-printing state feature interaction coding feature map to obtain the light-shading isolation wall design-printing state comparison joint perception coding map.

[0082] Then, the light-shielding isolation wall design-printing state comparison joint perception coding diagram is input into a state identifier based on a classifier to obtain a recognition result, and the recognition result is used to indicate whether the light-shielding isolation wall has defects. In other words, the joint comparison perception characterization information between the pattern design state characteristics and the printing state characteristics of the light-shielding isolation wall is used for classification processing, so as to identify the actual state and perform quality inspection of the light-shielding isolation wall to determine whether the light-shielding isolation wall has defects. In this way, it is possible to automatically determine whether the light-shielding isolation wall has defects based on the joint pattern comparison between the printing state and the design state of the light-shielding isolation wall, thereby improving the intelligence level of the manufacturing and quality inspection of the light-shielding isolation wall of the LED flexible display screen, and helping to improve the product manufacturing quality of the final LED flexible display screen.

[0083] Accordingly, in step S545, state identification is performed based on the light-shielding isolation wall design-printing state comparison joint perception representation to determine whether the light-shielding isolation wall has defects, including: inputting the light-shielding isolation wall design-printing state comparison joint perception coding diagram into a classifier-based state identifier to obtain an identification result, and the identification result is used to indicate whether the light-shielding isolation wall has defects.

[0084] It should be understood that in the state recognition process of the light-shielding isolation wall, the implementation method of inputting the design-printing state comparison joint perception coding map into the classifier-based state recognizer to determine whether there is a defect can be further described as a complex process that integrates image processing, machine learning and deep learning technologies. This process not only involves the precise capture and preprocessing of image data, but also includes feature extraction, model training, test verification and final defect determination.

[0085] First, when the light-shielding wall is printed, it is necessary to use a high-resolution camera or other imaging device to shoot the finished product to ensure that as many details as possible are captured. These images will serve as the basis for subsequent analysis. In order to improve efficiency and accuracy, an automated imaging system is usually used, which can quickly obtain a series of high-quality images according to predetermined parameter settings. At the same time, the corresponding design drawings or templates need to be obtained for subsequent comparative analysis. After the image acquisition is completed, the image preprocessing stage is entered, where the original image will be adjusted as necessary, such as size normalization, brightness and contrast adjustment, so that all images meet unified standards for subsequent processing. The next key step is feature extraction. At this stage, information that can characterize the characteristics of the light-shielding wall is extracted from the image through an algorithm. This may include edge contours, texture characteristics, color distribution, etc. For the light-shielding wall, since its function is to block light, special attention is paid to the consistency of material thickness, surface flatness, and whether there are abnormalities such as cracks or holes. Using computer vision technology, each pixel in the image can be analyzed in detail, and one or more feature vectors can be constructed according to specific rules to represent the actual state of the light-shielding wall. At the same time, the design drawings will be converted into corresponding digital formats so that they are in the same dimensional space as the feature vectors in the actual printing state, so as to achieve direct comparison. Then, these feature vectors are input into the pre-trained classifier. The choice of classifier depends on the specific application scenario and technical requirements. Considering the complexity and diversity of light-shielding partition wall defect detection, convolutional neural network (CNN) in deep learning is an ideal choice. CNN has powerful nonlinear modeling capabilities and can automatically learn deep-level features in images, which is very suitable for image classification tasks. In the training stage, a large number of known samples (i.e., light-shielding partition wall images with labels, the labels indicate whether the sample is defective or not) will be used to adjust the network parameters so that it gradually learns to distinguish different types of defect patterns. As the training progresses, CNN will continuously optimize its structure and weights until it reaches a satisfactory accuracy and recall rate. After sufficient training, the CNN model has good generalization ability, that is, it can not only correctly identify the samples in the training set, but also make accurate judgments when encountering new and unseen data. In actual applications, whenever a new batch of shading wall images are passed in, the CNN model will evaluate them based on the knowledge it has learned and output a probability value indicating the likelihood that the sample belongs to the defective category. If this probability exceeds the set threshold, the shading wall is considered to be defective; otherwise, it is considered to be qualified. It is worth noting that in order to ensure the reliability of the classification results, multiple verification mechanisms are usually set up, such as cross-validation, ensemble learning and other methods to ensure that the model performance is stable and not easily affected by individual outliers.

[0086] In a preferred example, the light-shielding isolation wall design-printing state comparison joint perception coding diagram is passed through a state recognizer based on a classifier to obtain a recognition result, including:

[0087] Expanding the light-shielding wall design-printing state comparison joint perception coding graph into a light-shielding wall design-printing state comparison joint perception coding vector;

[0088] Calculate the distance between each pair of eigenvalues ​​of the light-shielding wall design-printing state contrast joint perceptual coding vector, such as the L2 distance, and take the square root of the distance to obtain the light-shielding wall design-printing state contrast joint perceptual coding distance representation matrix, that is, Among them, v i is the ith eigenvalue of the light-shielding wall design-printing state contrast joint perceptual encoding vector, v j is the jth eigenvalue of the light-shielding wall design-printing state contrast joint perception encoding vector, d(v i ,v j ) represents the distance between the ith eigenvalue and the jth eigenvalue of the light-shielding isolation wall design-printing state contrast joint perception encoding vector, D i,j is the (i, k)th eigenvalue of the light-shielding isolation wall design-printing state comparison joint perception encoding distance representation matrix D;

[0089] The light-shielding partition wall design-printing state contrast joint perception coding autocorrelation matrix of the light-shielding partition wall design-printing state contrast joint perception coding vector is obtained, that is, (V is a row vector); wherein V is the light-shielding isolation wall design-printing state comparison joint perception encoding vector, V T is the transposed vector of the light-shielding wall design-printing state contrast joint perception encoding vector, represents vector multiplication, D' is the light-shielding wall design-printing state contrast joint perceptual coding autocorrelation matrix;

[0090] The light-shielding wall design-printing state comparison joint perception coding vector is matrix-multiplied with the light-shielding wall design-printing state comparison joint perception coding distance representation matrix to obtain the light-shielding wall design-printing state comparison joint perception coding primary mapping vector, that is, Wherein, V is the light-shielding isolation wall design-printing state contrast joint perception encoding vector, represents matrix multiplication, D is the light-shielding isolation wall design-printing state contrast joint perception coding distance representation matrix, and V' is the light-shielding isolation wall design-printing state contrast joint perception coding primary mapping vector;

[0091] The light-shielding isolation wall design-printing state comparison joint perception coding first-level mapping vector is matrix-multiplied with the light-shielding isolation wall design-printing state comparison joint perception coding distance representation matrix and the light-shielding isolation wall design-printing state comparison joint perception coding self-correlation matrix to obtain the light-shielding isolation wall design-printing state comparison joint perception coding multi-level mapping vector, that is, Wherein, D is the light-shielding isolation wall design-printing state contrast joint perception coding distance representation matrix, D' is the light-shielding isolation wall design-printing state contrast joint perception coding autocorrelation matrix, represents matrix multiplication, V' is the first-level mapping vector of the light-shielding isolation wall design-printing state contrast joint perception coding, and V" is the multi-level mapping vector of the light-shielding isolation wall design-printing state contrast joint perception coding;

[0092] The light-shielding wall design-printing state comparison joint perception coding multi-level mapping vector is interpolated with the light-shielding wall design-printing state comparison joint perception coding associated eigenvector (if the eigenvalue is insufficient, interpolation or zero padding) composed of the eigenvalue of the light-shielding wall design-printing state comparison joint perception coding autocorrelation matrix to obtain an optimized light-shielding wall design-printing state comparison joint perception coding vector;

[0093] The optimized light-shielding isolation wall design-printing state comparison joint perception coding vector is passed through a classifier-based state identifier to obtain a recognition result.

[0094] Considering that the printing state feature coding map of the light-shielding isolation wall pattern and the design state feature coding map of the light-shielding isolation wall pattern respectively represent the printing state image of the light-shielding isolation wall and the image semantic coding features of the light-shielding isolation wall pattern, when performing feature saliency joint perception based on prior guidance, the shooting information and shooting noise introduced when collecting the printing state image of the light-shielding isolation wall will cause the prior guidance to be mispositioned, resulting in the loss of aggregated feature instance determination of the light-shielding isolation wall design-printing state comparison joint perception coding map, thereby affecting the accuracy of the recognition result obtained by the classifier-based state identifier.

[0095] Therefore, the linear target mapping representation of the similarity distance representation matrix of the light-shielding wall design-printing state comparison joint perception coding vector after the light-shielding wall design-printing state comparison joint perception coding diagram is used to instantiate the self-correlation of the complete similarity of the light-shielding wall design-printing state comparison joint perception coding diagram, and the secondary target mapping representation based on the multi-level distribution hierarchy is performed, and the correlation fusion kernel bias is used to compensate for the negative impact factor of the association mismatch, so as to improve the degree of instance determination of the eigenvalue of the light-shielding wall design-printing state comparison joint perception coding diagram under similarity constraints, that is, the degree of significance of the eigenvalue as an instance for classification regression judgment, and improve the accuracy of the recognition result obtained by the state identifier based on the classifier of the light-shielding wall design-printing state comparison joint perception coding diagram. In this way, it is possible to automatically determine whether the light-shielding wall has defects based on the joint pattern comparison between the printing state and the design state of the light-shielding wall, thereby improving the intelligent degree of manufacturing and quality inspection of the light-shielding wall of the LED flexible display screen.

[0096] Based on the above embodiments, see Figure 4 The figure shows a schematic diagram of the structure of a manufacturing system 800 for a light-shielding partition wall of an LED flexible display screen in an embodiment of the present application. The manufacturing system 800 for a light-shielding partition wall of an LED flexible display screen includes: a pattern creation module 810, which is used to create a light-shielding partition wall pattern based on the design requirements of the LED flexible display screen; a placement module 820, which is used to place the PCB board of the LED flexible display screen on the working platform of the UV printer, and ensure that the placement position of the PCB board of the LED flexible display screen meets the printing position requirements; a printing module 830, which is used to start the UV printer to print the light-shielding partition wall on the PCB board according to preset parameters; and a quality inspection module 840, which is used to perform quality inspection on the light-shielding partition wall to determine whether the light-shielding partition wall has defects.

[0097] Here, those skilled in the art can understand that the specific functions and operations of each module in the manufacturing system 800 of the LED flexible display screen light-shielding isolation wall have been described in the above reference. Figures 1 to 3 The manufacturing process of the LED flexible display screen light-shielding isolation wall is described in detail, and therefore, its repeated description will be omitted.

[0098] Furthermore, the present application also provides a LED flexible display screen light-shielding isolation wall, and the LED flexible display screen light-shielding isolation wall is manufactured by any of the aforementioned manufacturing processes for the LED flexible display screen light-shielding isolation wall.

[0099] It is worth mentioning that this application uses UV printing technology to accurately print the light-shielding isolation wall on the PCB according to the display diagram, without deviation or deformation, and then the display film is attached to the LED flexible PCB through relevant equipment to make an LED flexible display screen. Figure 5 As shown. And further through the above-mentioned process, the production efficiency, yield rate and product performance are improved, thereby reducing the manufacturing cost and requiring lower requirements for front-line operators.

[0100] Those skilled in the art will appreciate that all or part of the steps in the above method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a disk or an optical disk. Optionally, all or part of the steps in the above embodiment can also be implemented using one or more integrated circuits. Accordingly, each module / unit in the above embodiment can be implemented in the form of hardware or in the form of software function modules. The present application is not limited to any particular form of combination of hardware and software.

[0101] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs. It should also be understood that terms such as those defined in common dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined as such herein.

[0102] The above is an explanation of the present application and should not be considered as limiting thereof. Although several exemplary embodiments of the present application have been described, those skilled in the art will readily appreciate that many modifications may be made to the exemplary embodiments without departing from the novel teachings and advantages of the present application.

Claims

1. A manufacturing process for a light-shielding isolation wall for an LED flexible display screen, characterized in that: include: Create a light-shielding isolation wall pattern based on the design requirements of the LED flexible display; Placing the PCB board of the LED flexible display screen on the working platform of the UV printer, and ensuring that the placement position of the PCB board of the LED flexible display screen meets the printing position requirements; Start the UV printer to print a light-shielding isolation wall on the PCB board according to preset parameters; The light-shielding isolation wall is subjected to quality inspection to determine whether the light-shielding isolation wall has any defects.

2. The manufacturing process of the LED flexible display screen light-shielding isolation wall according to claim 1, characterized in that: Performing a quality inspection on the light-shielding isolation wall to determine whether the light-shielding isolation wall has defects includes: Extracting the light-shielding isolation wall pattern; Acquire a printing state image of the light-shielding isolation wall captured by a camera; Extracting light-shielding isolation wall state features from the printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern respectively to obtain light-shielding isolation wall pattern printing state features and light-shielding isolation wall pattern design state features; Performing feature-significant joint perception on the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature to obtain a light-shielding isolation wall design-printing state comparison joint perception representation; Based on the light-shielding isolation wall design-printing state comparison joint perception representation, state identification is performed to determine whether the light-shielding isolation wall has defects.

3. The manufacturing process of the LED flexible display screen light-shielding isolation wall according to claim 2, characterized in that: The light-shielding isolation wall state feature extraction is performed on the printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern to obtain the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature, including: The printing state image of the light-shielding isolation wall and the light-shielding isolation wall pattern are respectively input into the light-shielding isolation wall state feature extractor based on the Mobile-Former model to obtain a light-shielding isolation wall pattern printing state feature coding map as the light-shielding isolation wall pattern printing state feature and a light-shielding isolation wall pattern design state feature coding map as the light-shielding isolation wall pattern design state feature.

4. The manufacturing process of the LED flexible display screen light-shielding isolation wall according to claim 3 is characterized in that: Performing feature-significant joint perception on the light-shielding isolation wall pattern printing state feature and the light-shielding isolation wall pattern design state feature to obtain a light-shielding isolation wall design-printing state comparison joint perception representation, including: Performing shape reshaping-type prior-guided modulation processing on the light-shielding isolation wall pattern printing state characteristic coding map and the light-shielding isolation wall pattern design state characteristic coding map to obtain a prior-modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and a prior-modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix; Performing attention interaction encoding on the prior modulated light-shielding isolation wall pattern printing state feature shape reshaping matrix and the prior modulated light-shielding isolation wall pattern design state feature shape reshaping matrix to obtain a light-shielding isolation wall pattern printing state-design state feature interaction encoding matrix and a light-shielding isolation wall pattern design state-printing state feature interaction encoding matrix; The light-shielding isolation wall pattern printing state-design state feature interactive coding matrix and the light-shielding isolation wall pattern design state-printing state feature interactive coding matrix are subjected to shape reshaping feature fusion to obtain a light-shielding isolation wall design-printing state comparison joint perception coding diagram as the light-shielding isolation wall design-printing state comparison joint perception representation.

5. The manufacturing process of the LED flexible display screen light-shielding isolation wall according to claim 4, characterized in that: The light-shielding isolation wall pattern printing state characteristic coding map and the light-shielding isolation wall pattern design state characteristic coding map are subjected to shape reshaping prior-guided modulation processing to obtain a prior-modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and a prior-modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix, including: Reshaping the light-shielding isolation wall pattern printing state characteristic coding diagram and the light-shielding isolation wall pattern design state characteristic coding diagram to obtain a light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and a light-shielding isolation wall pattern design state characteristic shape reshaping matrix; The light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and the light-shielding isolation wall pattern design state characteristic shape reshaping matrix are input into a priori guided modulation module to obtain the priori modulated light-shielding isolation wall pattern printing state characteristic shape reshaping matrix and the priori modulated light-shielding isolation wall pattern design state characteristic shape reshaping matrix.

6. The manufacturing process of the LED flexible display screen light-shielding isolation wall according to claim 5, characterized in that: The prior modulated light-shielding isolation wall pattern printing state feature shape reshaping matrix and the prior modulated light-shielding isolation wall pattern design state feature shape reshaping matrix are subjected to attention interaction encoding to obtain a light-shielding isolation wall pattern printing state-design state feature interaction encoding matrix and a light-shielding isolation wall pattern design state-printing state feature interaction encoding matrix, including: The prior modulated light-shielding isolation wall pattern printing state feature shape reshaping matrix and the prior modulated light-shielding isolation wall pattern design state feature shape reshaping matrix are input into the attention interaction coding module based on the transformer-like structure to obtain the light-shielding isolation wall pattern printing state-design state feature interaction coding matrix and the light-shielding isolation wall pattern design state-printing state feature interaction coding matrix.

7. The manufacturing process of the LED flexible display screen light shielding isolation wall according to claim 6, characterized in that: The light-shielding isolation wall pattern printing state-design state feature interactive coding matrix and the light-shielding isolation wall pattern design state-printing state feature interactive coding matrix are subjected to shape reshaping feature fusion to obtain a light-shielding isolation wall design-printing state comparison joint perception coding map as the light-shielding isolation wall design-printing state comparison joint perception representation, including: Reshaping the light-shielding isolation wall pattern printing state-design state feature interactive coding matrix and the light-shielding isolation wall pattern design state-printing state feature interactive coding matrix to obtain a light-shielding isolation wall design-printing state feature interactive coding feature map and a light-shielding isolation wall design-printing state feature interactive coding feature map; The weighted sum of the light-shielding isolation wall design-printing state feature interactive coding feature map and the light-shielding isolation wall design-printing state feature interactive coding feature map is calculated to obtain the light-shielding isolation wall design-printing state comparison joint perception coding map.

8. The manufacturing process of the LED flexible display screen light-shielding isolation wall according to claim 7, characterized in that: Based on the light-shielding isolation wall design-printing state comparison joint perception representation, state recognition is performed to determine whether the light-shielding isolation wall has defects, including: The light-shielding isolation wall design-printing state comparison joint perception coding diagram is input into a classifier-based state identifier to obtain a recognition result, and the recognition result is used to indicate whether the light-shielding isolation wall has defects.

9. A light-shielding isolation wall for a LED flexible display screen, characterized in that: The LED flexible display screen light-shielding isolation wall is manufactured by the manufacturing process of the LED flexible display screen light-shielding isolation wall as described in any one of claims 1-8.

Images