Bottom film uncovering method for avoiding jig limiting column
By cutting the base film into L-shaped and rectangular areas, the base film part near the limit column is separated, and the problem of contaminating adjacent diaphragms of the module when the base film is removed is solved, and the cleanliness and yield of the product are improved.
Patent Information
- Application Number
- CN202510752019.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-06
- Publication Date
- 2025-08-05
AI Technical Summary
In the prior art, the base film is prone to contaminate adjacent diaphragms of the module when removed, affecting the yield of the assembly finished product.
Cut the base film into an L-shaped broken knife line and divide it into two parts, one of which is close to the fixture limit column, and the other part is a large rectangular area. After removing the part near the limit column, fine-tune the product positioning through the rectangular area to ensure that your hands do not touch the product surface, and finally peel off the rectangular area and paste the upper diaphragm.
It improves the product's adhesion cleanliness and yield of finished products, avoids foreign matter residues, and ensures the assembly quality of the module.
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Figure CN120423136A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of removing a product bottom film, and in particular to a method for removing a bottom film using a position-avoiding fixture with limiting columns. Background Art
[0002] The original die-cutting process bottom film is directly transferred to cover the product (such as Figure 1 ), the surface of the bottom film completely covers the product and the middle tear film of the product, and the outer edge of the bottom film is larger than the surface of the product. During the product assembly process, the product needs to be attached to the module through a jig. The product needs to be placed like Figure 2 On the jig shown, since the outer edge of the base film is located in the area of the jig's positioning posts, the existing technology requires direct removal of the base film, which results in the hand directly touching the middle area of the product when the product needs to be manually fine-tuned on the jig surface. As a result, the hand will directly touch the product surface or the surface of the middle tear-off film, and there may be foreign matter residue. This will easily cause the product surface or the middle tear-off film surface to contact the upper film under the display screen of the subsequent process during the next application operation, and there is a chance that foreign matter will be transferred to the film, affecting the screen lighting display brightness and yellow spots; therefore, it is necessary to develop a base film removal method that can avoid the jig limit posts but will not contaminate the remaining film of the module. Summary of the Invention
[0003] In response to the above problems, the present invention provides a method for removing the bottom film of the avoidance fixture limiting pillars, which can reliably avoid the avoidance fixture limiting pillars and ensure that adjacent diaphragms of the module will not be contaminated after stacking, thereby ensuring the yield rate of the assembled finished product.
[0004] A method for removing a bottom film of a position-avoiding fixture limiting column, characterized in that it comprises the following steps:
[0005] S1. Cut the base film into L-shaped cutting lines and then transfer it to the product, so that the base film is divided into two parts;
[0006] S2. When the product needs to be positioned on the fixture, remove the L-shaped bottom film portion close to the fixture's limiting column;
[0007] S3. Then, touch the bottom film in the rectangular area on the surface of the product to fine-tune and move the product so that the product is positioned in place;
[0008] S4. Then peel off the other set of rectangular bottom films from the surface of the product, and then stick the upper film sheet to the surface of the middle tear-off film.
[0009] It is further characterized by:
[0010] In step S1, two sets of limiting posts of the jig are respectively set on a pair of adjacent sides, and then the L-shaped cutting line divides the base film into an L-shaped base film area with a narrow side close to the limiting posts, and a rectangular large area of the base film away from the limiting posts;
[0011] The inner edge of the L-shaped bottom film area is located within the surface area of the product, which ensures that after the L-shaped bottom film area is torn off, the side of the product can reliably fit the limiting pillars at the corresponding position for positioning;
[0012] In step S3, the hand touches the position of the product covered with the rectangular large area of the base film, thereby driving the product to move slightly up, down, left and right to ensure that the hand does not touch the product and the corresponding tear film;
[0013] Step S4, applying a cut glue on the surface of the product, and then laminating the upper film and applying it to the cut glue;
[0014] Each side of the fixture for placing the limiting columns is arranged with at least two groups of limiting columns arranged at intervals, ensuring that the inner edges of each group of limiting columns are combined to form a straight limiting edge.
[0015] After adopting the present invention, the base film is first cut to form an L-shaped tearing line, and then transferred to the product, so that the base film is divided into two parts. When in use, the L-shaped base film part close to the limit column is first torn off, and then directly placed on the jig, and then the base film in the rectangular area touching the surface of the product is fine-tuned and moved to position the product in place. After the product is completely fixed in position, the other part of the base film is peeled off, and then the film is attached. This not only improves the cleanliness of the product itself, but also greatly improves the yield rate of the attached finished product. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 Schematic diagram of the assembly position of the product, base film, tear film and fixture;
[0017] Figure 2 Schematic diagram of the positional relationship between the L-shaped base film area, the rectangular large-area base film area, the product, and the tear film of the present invention;
[0018] Figure 3 This is a schematic diagram of the positional relationship between the base film of the present invention after removing the L-shaped base film area, the product, and the fixture. DETAILED DESCRIPTION
[0019] A method for removing the bottom film of a position-avoiding fixture limit column, see Figure 2 , which includes the following steps:
[0020] S1, cutting the base film 10 into an L-shaped cutting line 1, and then transferring it to the product 20, so that the base film 10 is divided into two parts;
[0021] The two sets of limiting posts 31 of the fixture 30 are respectively arranged on a pair of adjacent sides, and the L-shaped cutting line 1 divides the base film 10 into an L-shaped base film area 11 with a narrow side close to the limiting posts, and a rectangular large-area base film area 12 away from the limiting posts;
[0022] The inner edge of the L-shaped bottom film area 11 is located within the surface area of the product 20, which ensures that after the L-shaped bottom film area 11 is torn off, the side of the product 20 can reliably fit the limiting pillars 31 at the corresponding position for positioning;
[0023] S2. When the product 20 needs to be positioned on the fixture 30, the L-shaped bottom film area 11 near the fixture limiting column is removed;
[0024] S3, then the hand touches the rectangular large-area base film area 12 on the surface of the product to fine-tune the movement of the product 20 so that the product 20 is positioned in place;
[0025] The hand touches the position of the product covered with the rectangular large-area bottom film area 12, thereby driving the product 20 to move slightly up, down, left, and right, ensuring that the hand does not touch the product 20 and the corresponding tear film 40;
[0026] S4. Then, the rectangular large-area base film region 12 is peeled off from the surface of the product 20, and then the upper film sheet is attached to the surface of the middle tear-off film.
[0027] Affix the sealing glue to the surface of the product, and then stack the upper membrane and affix it to the sealing glue.
[0028] In a specific embodiment, each side of the fixture 30 for placing the limiting posts is arranged with at least two groups of spaced-apart limiting posts 31 , ensuring that the inner sides of each group of limiting posts 31 are combined to form a straight limiting side.
[0029] The base film is first cut to form an L-shaped tearing line, and then transferred to the product. In this way, the base film is divided into two parts. When in use, first tear off the L-shaped base film part near the limit column, and then directly place it on the fixture. After that, touch the base film in the rectangular area on the surface of the product with your hand to fine-tune and move the product so that the product is positioned in place. After the product is completely fixed in position, peel off the other part of the base film, and then proceed to the film attachment operation. This not only improves the cleanliness of the product itself, but also greatly improves the yield rate of the attached finished product.
[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
[0031] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A method for removing the bottom film of a position-avoiding fixture with a limiting column, characterized in that: It includes the following steps: S1. Cut the base film into L-shaped cutting lines and then transfer it to the product, so that the base film is divided into two parts; S2. When the product needs to be positioned on the fixture, remove the L-shaped bottom film portion close to the fixture's limiting column; S3. Then, touch the bottom film in the rectangular area on the surface of the product to fine-tune and move the product so that the product is positioned in place; S4. Then peel off the other set of rectangular bottom films from the surface of the product, and then stick the upper film sheet to the surface of the middle tear-off film.
2. The method for removing the bottom film of the limiting column of the avoidance fixture according to claim 1, characterized in that: In step S1, two groups of limiting posts of the fixture are respectively set at a pair of adjacent sides, and then the L-shaped cutting line divides the bottom film into an L-shaped bottom film area with narrow sides close to the limiting posts and a rectangular large-area bottom film area away from the limiting posts.
3. The method for removing the bottom film of the limiting column of the avoidance fixture according to claim 2, characterized in that: The inner edge of the L-shaped bottom film area is located within the surface area of the product.
4. The method for removing the bottom film of the limiting column of the avoidance fixture according to claim 3, characterized in that: In step S3, the hand touches the position of the product where the rectangular large area of the base film is covered, thereby driving the product to move slightly up, down, left and right.
5. The method for removing the bottom film of the limiting column of the avoidance fixture according to claim 1, characterized in that: Step S4: affix a cutout glue to the surface of the product, and then stack and affix the upper film to the cutout glue.
6. The method for removing the bottom film of the limiting column of the avoidance fixture according to claim 1, characterized in that: Each side of the fixture for placing the limiting columns is arranged with at least two groups of limiting columns arranged at intervals.