Large glass plate with blind hole typesetting structure
By setting up a glass cover plate single with a rectangular array distributed structure on a large glass plate, the blind holes on the last row are rotated inward, which solves the problem of glass edge cracking and poor flatness after grinding and thinning, and improves the product yield and The effect of the camera.
Patent Information
- Application Number
- CN202420138473.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-19
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-01-19
AI Technical Summary
When producing glass cover plate monomers with blind holes, the glass edges are prone to break during grinding and thinning, resulting in poor surface flatness, affecting the PV value of the blind holes, and thus affecting the use of the camera and product yield.
By setting up glass cover plate singles with multiple rows of rectangular array distribution structures on the large glass plate, the arrangement direction of the last row of blind holes is opposite to the adjacent row of blind holes, and is placed away from the edge of the large glass plate to reduce the grinding after Risk of PV value exceeding the standard at the blind hole position.
The flatness of the glass cover plate single body is improved, and the risk that the PV value exceeds the standard after the blind hole is thinned due to grinding, thereby improving the product yield and the use effect of the camera.
Smart Images
Figure CN222356398U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display module production and manufacturing, in particular to a large glass plate with a blind hole layout structure. Background Art
[0002] With the development of the times and the advancement of technology, users have higher requirements for the appearance of mobile phone products, which has led to the continuous development of mobile phone products in the direction of light, thin, power-saving and full-screen. In order to increase the screen-to-body ratio, the camera will be placed in the display screen, so it is necessary to set a blind hole on the cover glass. When manufacturers make glass cover monomers with blind holes, they usually make a large glass plate first, and then cut it into single glass cover monomers. When cutting into single glass cover monomers, the entire large glass plate needs to be ground to the required thickness first. However, in order to prevent the edges of the large plate glass from breaking during the grinding and thinning process, the grinding times and pressure at the edge of the large plate glass will be reduced, resulting in deviations in the uniformity of the thickness of the glass edge after grinding, that is, the glass surface flatness is poor. In this way, the PV (peak to valley, an indicator of glass surface flatness, refers to the difference between the highest and lowest points on the glass surface) value of the blind hole near the edge of the large glass plate will be high, affecting the use of the camera. Utility Model Content
[0003] The utility model aims to overcome the shortcomings of the prior art and provide a large glass plate with a blind hole layout structure which can reduce the risk of PV value exceeding the standard after the blind hole is ground and thinned, thereby improving the product yield.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A large glass plate with a blind hole arrangement structure comprises: a large glass plate body, on which a plurality of glass cover plate monomers are arranged; each of the glass cover plate monomers is provided with a blind hole, and the blind hole is located on a side edge close to the glass cover plate monomer; each of the glass cover plate monomers is in a rectangular array distribution structure of multiple columns and rows, and the arrangement direction of the blind holes of the last column of the glass cover plate monomers close to the edge of the large glass plate body is opposite to the arrangement direction of the blind holes of the glass cover plate monomers in an adjacent column, so that the blind holes of the last column of the glass cover plate monomers are placed in a direction away from the edge of the large glass plate body.
[0006] In one embodiment, when the glass cover plate monomers are distributed in a rectangular array structure with multiple columns and rows, the blind holes of the glass cover plate monomers in every two adjacent columns are arranged in opposite directions, and the blind holes of the glass cover plate monomers in the last column are arranged in a direction away from the edge of the large glass plate body.
[0007] In one embodiment, the PV value of the blind hole is less than 1.
[0008] In one embodiment, the thickness of each of the glass cover plate monomers is 0.15-0.2 mm.
[0009] In one embodiment, a BM layer is disposed around the periphery of each of the blind holes.
[0010] In one embodiment, the glass cover plate monomers are distributed in a rectangular array structure of six columns and six rows.
[0011] In one embodiment, the blind hole has a circular structure.
[0012] In one of the embodiments, a positioning mark is also provided on the glass plate body.
[0013] In one embodiment, the alignment mark is in a "cross" shape.
[0014] In one embodiment, the alignment mark is a white ink alignment mark.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] The glass plate with a blind hole arrangement structure of the utility model makes the arrangement direction of the blind holes of the last row of glass cover plate monomers close to the edge of the glass plate body opposite to the arrangement direction of the blind holes of the glass cover plate monomers in an adjacent row, so that the blind holes of the last row of glass cover plate monomers are placed in a direction away from the edge of the glass plate body, thus reducing the risk of the PV value exceeding the standard after grinding and thinning at the blind hole position, thereby improving the production yield of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.
[0018] Figure 1 This is a structural schematic diagram of a large glass plate with a blind hole layout structure in one embodiment of the utility model;
[0019] Figure 2 It is a structural schematic diagram of a large glass plate with a blind hole layout structure in another embodiment of the utility model. DETAILED DESCRIPTION
[0020] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.
[0021] See also Figure 1 or Figure 2As shown, a glass plate 10 with a blind hole arrangement structure comprises: a glass plate body 100, on which a plurality of glass cover plate monomers 110 are arranged; each glass cover plate monomer 110 is provided with a blind hole 111, and the blind hole 111 is located on a side edge close to the glass cover plate monomer 110; each glass cover plate monomer 110 is arranged in a rectangular array distribution structure of multiple columns and rows, and the arrangement direction of the blind holes of the last column of glass cover plate monomers 110 close to the edge of the glass plate body 100 is opposite to the arrangement direction of the blind holes 111 of the glass cover plate monomers 110 in an adjacent column, so that the blind holes 111 of the last column of glass cover plate monomers 110 are placed in a direction away from the edge of the glass plate body 100.
[0022] It should be noted that the layout direction of the blind holes of the glass cover plate monomer 110 on the traditional glass plate with a blind hole layout structure is the same direction, so that the arrangement position of some blind holes is located near the edge of the glass plate body 100. Before cutting the glass cover plate monomer 110, it is usually necessary to grind and thin the entire glass plate body 100 to the required thickness. In order to prevent the edge of the large plate glass from breaking during the grinding and thinning process, the grinding times and pressure at the edge of the glass plate body will be reduced, which will result in poor surface flatness of the ground glass plate body. In this way, the PV value of the blind holes close to the glass plate body will be high, affecting the use of the camera and further affecting the product yield. Therefore, in the present invention, by changing the layout structure of the blind holes, the blind holes are reduced to a certain extent near the edge of the glass plate body. Specifically, taking the blind holes 111 on the glass cover plate monomer 110 arranged to the right as an example, the arrangement position of the blind holes of the glass cover plate monomer 110 in the last row will be close to the edge of the glass plate body 100. Therefore, by rotating the blind holes of the glass cover plate monomer 110 in the last row to face inward, the arrangement direction of the blind holes of the glass cover plate monomer in the last row is opposite to the arrangement direction of the blind holes 111 of the glass cover plate monomer 110 in the adjacent row, so that the blind holes 111 of the glass cover plate monomer 110 in the last row are placed away from the edge of the glass plate body 100. In this way, the risk of the PV value exceeding the standard after grinding and thinning at the blind hole position can be reduced, thereby improving the product yield. It should also be noted that the smaller the PV value, the flatter the glass cover plate monomer 110, and the less interference with the optical camera. Preferably, the PV value of the blind hole 111 is less than 1.
[0023] In another embodiment, when each glass cover plate monomer 110 is distributed in a rectangular array structure with multiple columns and rows, the arrangement directions of the blind holes 111 of each two adjacent columns of glass cover plate monomers 110 are opposite, and the blind holes 111 of the last column of glass cover plate monomers 110 are arranged in a direction away from the edge of the large glass plate body 100.
[0024] It should be noted that, in order to improve the uniformity of the layout and facilitate the production of blind holes and subsequent cutting operations, the arrangement directions of the blind holes 111 on the glass cover plate monomers 110 in each two adjacent columns are opposite, and at the same time, it is ensured that the blind holes 111 on the glass cover plate body 110 in the last column are arranged in a direction away from the edge of the glass body 100.
[0025] Preferably, the thickness of each glass cover plate is 0.15-0.2 mm. The thickness of common large glass plates is 0.5 mm. In order to achieve lightness and thinness, the thickness of each glass cover plate needs to be reduced to 0.15-0.2 mm, so a grinding and thinning process needs to be added.
[0026] In one embodiment, a BM layer 112 is disposed around each blind hole 111. The BM layer 112 is a black ink light shielding layer, which can shield the internal structure of the cover plate, and is uniformly silk-screened before the glass cover plate monomer 110 is cut to improve production efficiency.
[0027] Preferably, the glass cover plate monomers 110 are distributed in a rectangular array structure of six columns and six rows.
[0028] Preferably, the blind hole 111 is a circular structure with a diameter of 2.75 mm.
[0029] In one embodiment, a positioning mark 120 is also provided on the glass plate body 100. During the silk-screen printing of the BM layer, the production of blind holes, or the cutting of the glass cover plate monomer 110, the positioning mark 120 can be used to facilitate the equipment's positioning, thereby ensuring the accuracy of the silk-screen printing position of the BM layer, the accuracy of the blind hole position, and the accuracy of the cutting position of the glass cover plate monomer 110. Preferably, the positioning mark 120 is in a "cross" structure. Furthermore, the positioning mark 120 is a white ink positioning mark. For example, the positioning mark 120 can be silk-screen printed by silk-screen printing. The white ink can form a strong contrast with the glass, so that the equipment can accurately position the positioning mark.
[0030] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A large glass plate with a blind hole layout structure, characterized in that: include: A large glass panel body, on which a plurality of glass cover panel monomers are arranged; Each of the glass cover plate monomers is provided with a blind hole, and the blind hole is located on a side edge close to the glass cover plate monomer; Each of the glass cover plate monomers is distributed in a rectangular array structure with multiple columns and rows. The arrangement direction of the blind holes of the glass cover plate monomers in the last column close to the edge of the large glass plate body is opposite to the arrangement direction of the blind holes of the glass cover plate monomers in an adjacent column, so that the blind holes of the glass cover plate monomers in the last column are placed in a direction away from the edge of the large glass plate body.
2. The glass plate with blind hole layout structure according to claim 1, characterized in that: When the glass cover plate monomers are arranged in a rectangular array structure with multiple columns and rows, the blind holes of the glass cover plate monomers in two adjacent columns are arranged in opposite directions, and the blind holes of the glass cover plate monomers in the last column are arranged in a direction away from the edge of the large glass plate body.
3. The glass plate with blind hole layout structure according to claim 1, characterized in that: The PV value of the blind hole is less than 1.
4. The large glass plate with a blind hole layout structure according to claim 1, characterized in that: The thickness of each glass cover plate monomer is 0.15-0.2 mm.
5. The large glass plate with blind hole layout structure according to claim 1, characterized in that: A BM layer is disposed around the periphery of each of the blind holes.
6. The glass plate with blind hole layout structure according to claim 1, characterized in that: The glass cover plate monomers are distributed in a rectangular array structure of six columns and six rows.
7. The glass plate with blind hole layout structure according to claim 1, characterized in that: The blind hole has a circular structure.
8. The glass plate with blind hole layout structure according to claim 1, characterized in that: The large glass plate body is also provided with a positioning mark.
9. The glass plate with blind hole layout structure according to claim 8, characterized in that: The alignment mark is in a "cross" shaped structure.
10. The large glass plate with blind hole layout structure according to claim 9, characterized in that: The alignment mark is a white ink alignment mark.