Method for repairing wearing product with poor polaroid
Through the steps of electrostatic elimination, cleaning and high-precision heating, combined with the insertion and lifting of flexible sheets, efficient rework of poor polarizers for wearable products has been successfully achieved, and the problem of high rework cost in the prior art has been solved.
Patent Information
- Application Number
- CN202510404261.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2025-07-01
AI Technical Summary
The prior art lacks efficient and low-loss reworking methods for poor polarizers of wearable products, resulting in increased manufacturing costs.
By placing products with poor polarizers on the electrostatic elimination table, use an ion fan to eliminate static electricity, and then clean the surface and edges of the polarizer with a soft brush and a dust-free cloth soaked in anhydrous ethanol. Then, put the product on a high-precision heating platform to heat it to soften the glue, then use a flexible sheet to insert the gap and lift it up, separate the polarizer from the screen, and finally re-fit the screen with the polarizer.
It realizes efficient and low-loss repair of wearable products with poor polarizers, avoids impurities residues, improves repair effect, and reduces manufacturing costs.
Smart Images

Figure CN120233542A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of repair of wearable products with defective polarizing films, and more specifically, to a method for repairing wearable products with defective polarizing films. Background Art
[0002] Currently, intelligence is becoming more and more prevalent. With the development of technology, intelligence can be seen everywhere in people's lives. Smart wearable products have been very popular in recent years. There are various styles of smart watches and bracelets, which are not only used as watch sports devices but also have a certain accessory function.
[0003] During the manufacturing process of wearable products, bubbles or unevenness of the polarizing film are likely to occur after the polarizing film is attached to the screen. Since the module cost of wearable products is high, direct scrapping will significantly increase the manufacturing cost. Therefore, the repair of defective polarizing films has important economic significance. However, there is currently a lack of an efficient and low-loss repair method for polarizing films of wearable products. Summary of the Invention
[0004] The technical problem to be solved by the present invention is how to efficiently and low-loss repair wearable products with defective polarizing films.
[0005] The technical problem to be solved by the present invention is achieved through the following technical solutions: To solve the above technical problem, the present invention provides a method for repairing a wearable product with a defective polarizing film, which includes the following steps: Step 1: Place the defective product with a defective polarizing film on an electrostatic elimination workbench, and eliminate the surface static electricity with an ion blower; Step 2: Gently sweep the dust and debris on the surface of the polarizing film of the defective product with a soft brush, and then wipe the edge of the polarizing film of the defective product with a lint-free cloth soaked in anhydrous ethanol; Step 3: Put the defective product into a high-precision heating platform, with the temperature being 80°C - 100°C and the heating time being 3 min - 5 min to soften the glue between the polarizing film and the screen; Step 4: Insert a flexible thin sheet into the gap between the edge of the polarizing film and the screen and lift it up to gradually separate the polarizing film from the screen; Step 5: After tearing off the polarizing film, clean the surface of the screen; Step 6: Reattach the screen to the polarizing film.
[0006] As a preferred embodiment of the method for repairing a wearable product with a defective polarizing film provided by the present invention, the temperature control accuracy of the high-precision heating platform is ±2°C.
[0007] As a preferred embodiment of the method for repairing a wearable product with a defective polarizing film provided by the present invention, the temperature of the high-precision heating platform is set to 90°C.
[0008] As a preferred implementation of the method for repairing a wearable product with a defective polarizer provided by the present invention, the size of the high-precision heating platform is not less than 50 cm*50 cm.
[0009] As a preferred implementation of the method for repairing a wearable product with a defective polarizer provided by the present invention, the surface flatness of the high-precision heating platform is ±0.05 mm.
[0010] As a preferred implementation of the method for repairing a wearable product with a defective polarizer provided by the present invention, in the step 2, the cleaning width is not less than 5 mm.
[0011] As a preferred implementation of the method for repairing a wearable product with a defective polarizer provided by the present invention, the flexible sheet is a polytetrafluoroethylene sheet.
[0012] As a preferred implementation of the method for repairing a wearable product with a defective polarizer provided by the present invention, the thickness of the flexible sheet is 0.1 mm-0.2 mm.
[0013] As a preferred implementation of the method for repairing a wearable product with a defective polarizer provided by the present invention, in the step 4, the insertion depth of the flexible sheet is not greater than 2 mm.
[0014] As a preferred implementation of the method for repairing a wearable product with a defective polarizer provided by the present invention, in step 4, the warping angle of the flexible sheet is 10°-15°.
[0015] The present invention has the following beneficial effects: Use an ion blower to eliminate surface static electricity to avoid dust absorption, then use a soft brush to gently clean the dust and debris on the surface of the polarizer, and then wipe the edge of the polarizer with a dust-free cloth soaked in anhydrous ethanol to ensure that no impurities remain and improve the repair effect. Use a high-precision heating platform to evenly heat multiple defective products at one time to soften the glue between the polarizer and the screen, and then use a flexible thin sheet to gently pry to gradually separate the polarizer from the screen, and finally re-laminate the screen with the polarizer, so as to efficiently and low-loss repair wearable products with defective polarizers. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the scheme in the present application, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0017] Figure 1Flowchart of the repair method for a wearable product with defective polarizer provided by the present invention. Detailed implementation manners
[0018] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0019] The present invention provides a repair method for a wearable product with defective polarizer, which includes the following steps: Step 1: Place the defective product with defective polarizer on an electrostatic elimination workbench, and eliminate the surface static electricity with an ion blower. Step 2: Gently sweep the dust and debris on the surface of the polarizer of the defective product with a soft brush, and then wipe the edge of the polarizer of the defective product with a dust-free cloth soaked in anhydrous ethanol. Step 3: Put the defective product into a high-precision heating platform, with the temperature being 80°C - 100°C and the heating time being 3 min - 5 min, to soften the glue between the polarizer and the screen. Step 4: Insert a flexible thin sheet into the gap between the edge of the polarizer and the screen and lift it up to gradually separate the polarizer from the screen. Step 5: After tearing off the polarizer, clean the surface of the screen. Step 6: Reattach the screen to the polarizer.
[0020] After eliminating the surface static electricity with an ion blower, dust adsorption can be avoided. Then, gently sweep the dust and debris on the surface of the polarizer with a soft brush, and wipe the edge of the polarizer with a dust-free cloth soaked in anhydrous ethanol to ensure no impurity residue and improve the repair effect. The high-precision heating platform can uniformly heat multiple defective products at one time to soften the glue between the polarizer and the screen. Then, gently pry with a flexible thin sheet to gradually separate the polarizer from the screen. Finally, reattach the screen to the polarizer to efficiently and with low loss repair the wearable product with defective polarizer.
[0021] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. The following describes the present invention in detail with reference to the drawings and embodiments. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation to the present invention.
[0022] Example 1. The present invention provides a repair method for a wearable product with defective polarizers, which includes the following steps: Step 1: Place the defective product with a defective polarizer on an electrostatic elimination workbench, and eliminate the surface static electricity with an ion blower. Step 2: Gently clean the dust and debris on the surface of the polarizer of the defective product with a soft brush, and then wipe the edge of the polarizer of the defective product with a dust-free cloth soaked in anhydrous ethanol. Step 3: Put the defective product into a high-precision heating platform, with the temperature being 80°C - 100°C, the temperature control accuracy of the high-precision heating platform being ±2°C, and the heating time being 3 min - 5 min, to soften the glue between the polarizer and the screen. Step 4: Insert a flexible thin sheet into the gap between the edge of the polarizer and the screen and lift it up. The thickness of the flexible thin sheet is 0.1 mm - 0.2 mm, the insertion depth of the flexible thin sheet is not more than 2 mm, and the lifting angle of the flexible thin sheet is 10° - 15°, to gradually separate the polarizer from the screen. Step 5: After tearing off the polarizer, clean the surface of the screen. Step 6: Reattach the screen to the polarizer.
[0023] After eliminating the surface static electricity with an ion blower, dust adsorption can be avoided. Then, gently clean the dust and debris on the surface of the polarizer with a soft brush, and wipe the edge of the polarizer with a dust-free cloth soaked in anhydrous ethanol to ensure no impurity residue, improve the repair effect. The high-precision heating platform can uniformly heat multiple defective products at one time to soften the glue between the polarizer and the screen. Then, use a flexible thin sheet to gently pry to gradually separate the polarizer from the screen. Finally, reattach the screen to the polarizer to efficiently and with low loss repair the wearable product with defective polarizers.
[0024] Furthermore, the size of the high-precision heating platform is not less than 50 cm * 50 cm, so that dozens of wearable products can be placed on it at one time, facilitating continuous operation by employees and improving the repair efficiency.
[0025] In this embodiment, the temperature of the high-precision heating platform is set to 90°C. In other embodiments, the appropriate optimal temperature can also be set according to the characteristics of the polarizer and the glue.
[0026] Furthermore, the surface flatness of the high-precision heating platform is ±0.05 mm to ensure uniform heating of the product.
[0027] Furthermore, in Step 2, the cleaning width is not less than 5 mm to ensure that no impurity residue affects the repair effect.
[0028] Further, the flexible sheet is a polytetrafluoroethylene sheet or a utility knife. In this embodiment, the flexible sheet is a polytetrafluoroethylene sheet with a thickness of 0.1 mm - 0.2 mm.
[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention.
[0030] In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.
[0031] In the present invention, unless otherwise clearly defined and limited, the terms "mounted", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0032] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The drawings show the preferred embodiments of the present application, but do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure directly or indirectly using the content of the specification and drawings of the present application in other related technical fields shall be within the scope of the patent protection of the present application by the same token.
Claims
1. A method for repairing a wearable product with a defective polarizer, characterized in that: It includes the following steps: Step 1: Place the defective polarizer on the static elimination workbench and use an ion blower to eliminate surface static electricity; Step 2: Use a soft brush to gently clean the dust and debris on the surface of the defective polarizer, and then wipe the edge of the defective polarizer with a dust-free cloth soaked in anhydrous ethanol; Step 3: Place defective products on a high-precision heating platform at a temperature of 80°C-100°C for 3-5 minutes to soften the glue between the polarizer and the screen; Step 4: Insert a flexible sheet into the gap between the edge of the polarizer and the screen and lift it up to gradually separate the polarizer from the screen; Step 5: After removing the polarizer, clean the screen surface; Step 6: Reattach the screen to the polarizer.
2. The method for repairing a wearable product with a defective polarizer according to claim 1, characterized in that: The temperature control accuracy of the high-precision heating platform is ±2°C.
3. The method for repairing a wearable product with a defective polarizer according to claim 1, characterized in that: The temperature of the high-precision heating platform was set to 90 °C.
4. The method for repairing a wearable product with a defective polarizer according to claim 1, characterized in that: The size of the high-precision heating platform is not less than 50cm*50cm.
5. The method for repairing a wearable product with a defective polarizer according to claim 1, characterized in that: The surface flatness of the high-precision heating platform is ±0.05mm.
6. The method for repairing a wearable product with a defective polarizer according to claim 1, characterized in that: In step 2, the cleaning width is not less than 5 mm.
7. The method for repairing a wearable product with a defective polarizer according to claim 1, characterized in that: The flexible sheet is a polytetrafluoroethylene sheet.
8. The method for repairing a wearable product with a defective polarizer according to claim 1, characterized in that: The thickness of the flexible sheet is 0.1 mm-0.2 mm.
9. The method for repairing a wearable product with a defective polarizer according to claim 1, characterized in that: In step 4, the insertion depth of the flexible sheet is no more than 2 mm.
10. The method for repairing a wearable product with a defective polarizer according to claim 1, characterized in that: In step 4, the tilting angle of the flexible sheet is 10°-15°.