CN117806062A - Full-lamination process and device for large-size touch display screen - Google Patents
Full-lamination process and device for large-size touch display screen Download PDFInfo
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- CN117806062A CN117806062A CN202211174750.1A CN202211174750A CN117806062A CN 117806062 A CN117806062 A CN 117806062A CN 202211174750 A CN202211174750 A CN 202211174750A CN 117806062 A CN117806062 A CN 117806062A
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- 238000003475 lamination Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000008569 process Effects 0.000 title claims abstract description 47
- 239000011521 glass Substances 0.000 claims abstract description 53
- 230000003287 optical effect Effects 0.000 claims abstract description 52
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 42
- 239000012790 adhesive layer Substances 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 238000010030 laminating Methods 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims description 46
- 230000001070 adhesive effect Effects 0.000 claims description 46
- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 239000003292 glue Substances 0.000 claims description 23
- 239000002390 adhesive tape Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000013007 heat curing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- -1 acrylic ester Chemical class 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 30
- 238000005516 engineering process Methods 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000001723 curing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The invention relates to a full-lamination process and a full-lamination device for a large-size touch display screen, wherein the full-lamination process is used for laminating a touch capacitor screen or a glass cover plate with a liquid crystal display screen, an optical adhesive layer is coated on one side surface to be laminated on the touch display screen or the glass cover plate in advance and cured to form a first bonding structure, the first bonding structure is used for realizing main bonding lamination of the touch display screen or the glass cover plate with the liquid crystal display screen, a ring-shaped second bonding structure is formed outside the edge of the first bonding structure, the second bonding structure is mainly used for reinforcing the bonding strength between the touch display screen or the glass cover plate and the liquid crystal display screen, and then the full-lamination process is completed after the touch display screen or the glass cover plate and the liquid crystal display screen are subjected to vacuum lamination and defoaming.
Description
Technical Field
The invention relates to the technical field of touch display equipment, in particular to a full-lamination process and device for a large-size touch display screen.
Background
Currently, the application of large-size touch display equipment in education and meeting scenes is more and more widespread, in the large-size touch display technology, the full-lamination technology is already applied to lamination connection between a capacitive screen (TP) or infrared protective glass (CG) and a liquid crystal display (OC) of a touch module in a large quantity, namely, glue media (generally OCR glue) with refractive index similar to that of glass are filled between the OC and the TP, so that the display effects such as contrast, definition and the like of display are greatly improved. In order to improve the joint strength between OC and TP, prevent simultaneously that the grease that contains in the human body fluid from penetrating in the installation gap when using to inside entering OCR through the side cross-section, avoid penetrating grease and erode OCR molecular chain because molecular motion, can lead to OCR molecular chain, degradation, ageing, produce circular big bubble under the long-term erosion, cause the outward appearance bad, influence user experience's problem.
Referring to fig. 1-2, fig. 1 is a schematic diagram of a bonding process of a touch display screen in the prior art, fig. 2 is a schematic diagram of a manually filled structure reinforcing adhesive in the prior art, the touch display screen includes CG glass 1, TP-Sensor 2, an optical adhesive layer 3, and an OC display module 4 which are sequentially stacked, as shown in fig. 1, in the conventional full bonding process, an adhesive tape is generally used to enclose the TP-Sensor 2 according to a specific shape, then an OCR surface adhesive is coated at a midpoint of a groove formed by enclosing the attached adhesive tape, then the OCR surface adhesive is scraped and cured by heating to obtain an OCR optical adhesive layer with a specific shape, the OCR optical adhesive layer is bonded with the OC display module 4 after the adhesive tape is torn off, and the structure reinforcing adhesive 6 is manually filled in a manner of extruding a liquid adhesive through a dispensing needle 5 between a gap of the bonded liquid crystal screen TP-Sensor 2 or CG glass 1 and OC display module 4 after bonding defoaming, as shown in fig. 2. However, after the TP-Sensor 2 or CG glass 1 is attached to the OC display module 4, the OC display module 4 is blocked, so that the filling difficulty of the structural reinforcing glue 6 is high, the filling amount is difficult to control, the filling reinforcing effect is poor due to insufficient filling, or cleaning is difficult due to overflow caused by excessive filling, and meanwhile, many operation defects are caused by manual operation, the production efficiency and the productivity are low, and the bottleneck problems that the manufacturing process is unstable, and the productivity and the yield of mass production are affected exist.
Disclosure of Invention
Based on the above, the invention aims to provide a full-lamination process of a large-size touch display screen, which has the advantages of simple operation, high production efficiency and high production stability.
A full-lamination process of a large-size touch display screen is used for laminating a touch capacitance screen or a glass cover plate with a liquid crystal display screen, and comprises the following specific steps:
s1, coating optical adhesive in an optical adhesive area reserved on the surface of one side to be attached on a touch display screen or a glass cover plate according to a preset pattern to form an optical adhesive layer which is uniform and planar and has a preset thickness;
s2, solidifying the optical adhesive layer to obtain a first bonding structure with certain elasticity and certain viscosity on the surface;
s3, coating structural reinforcing glue on the outer edges of the periphery of the optical glue layer along the direction surrounding the optical glue layer to form a ring-shaped second bonding structure with preset thickness and width;
and S4, attaching the surface to be attached of the touch display screen or the glass cover plate to the liquid crystal display screen, enabling the first bonding structure and the second bonding structure to be attached to the surface of the liquid crystal display screen, then conducting deaeration treatment, and enabling the second bonding structure to be solidified.
According to the full-lamination process of the large-size touch display screen, the lamination process is optimized and improved, an optical adhesive layer is coated on the surface of one side to be laminated on the touch display screen or the glass cover plate in advance, the optical adhesive layer is solidified to form a first bonding structure which is used for realizing main bonding lamination of the touch display screen or the glass cover plate and the liquid crystal display screen, a second annular bonding structure is formed outside the edge of the first bonding structure and is mainly used for reinforcing bonding strength between the touch display screen or the glass cover plate and the liquid crystal display screen, then vacuum lamination is carried out on the surface of one side, which is coated with the first bonding structure and the second bonding structure, of the touch display screen or the glass cover plate and the liquid crystal display screen, and finally the full-lamination process is completed after vacuum defoaming.
Compared with the technology in the prior art that the touch display screen or the glass cover plate is directly attached to the liquid crystal display screen after the optical glue layer is coated, and then the structural reinforcement glue is manually filled in a gap between the touch display screen or the glass cover plate and the liquid crystal display screen, the technology in the embodiment of the invention has less limitation on the coating of the structural reinforcement glue, can directly use dispensing equipment to realize automatic dispensing, can avoid the problems of low production efficiency, poor product stability, low yield and the like caused by difficult control of glue amount, and especially for large-size products, the production efficiency is seriously influenced by the repeated lifting of the products during manual glue filling, and the improved full-attaching technology is beneficial to realizing full-production line automation, shortening the length of the production line, reducing manual participation and saving the production and manufacturing cost; in addition, by utilizing the temperature and pressure conditions of the defoaming treatment after bonding, the second structure can be cured at the same time, and compared with the technology that standing or independent curing operation is needed after the structure reinforcing glue is dispensed, the process disclosed by the embodiment of the invention can shorten the production period and reduce the occupied area of workshops during production. The turnover efficiency is improved.
Further, in step S1, the protective film or the adhesive tape is attached to the surface of the touch display screen or the glass cover plate to be attached to define an optical adhesive area with a required shape and a required size, and the protective film and the adhesive tape can well prevent the overflow of the liquid optical adhesive, are convenient to form a specific shape and a specific size, are simple and convenient to attach and tear, and do not cause residues.
Further, the coating thickness h1 of the first bonding structure is smaller than the coating thickness h2 of the second bonding structure, and after the bonding, the second bonding structure can be pressed between the touch display screen or the glass cover plate and the liquid crystal display screen in an interference manner by using the bonding force between the first bonding structure and the liquid crystal display screen, so that good sealing performance and structural reinforcement can be obtained.
Further, h1: h2 =1: 1.1 to 1.3.
Further, the optical adhesive and the structural reinforcing adhesive are both acrylic ester thermosetting compositions, or the optical adhesive and the structural reinforcing adhesive are both organic silicon thermosetting compositions, and the bonding strength of the structural reinforcing adhesive is greater than that of the optical adhesive.
In step S2, the optical adhesive layer is cured by heat treatment at 50-70 ℃ for 15-25 min.
Further, the second bonding structure is obtained by applying the automatic dispensing equipment with CCD alignment and self-identification, accurate dispensing can be performed through program automatic control, defects such as glue opening and air bubbles are avoided, and stability and yield of products are ensured.
Further, the second bonding structure is formed by encircling a plurality of strip-shaped adhesive layers, the width d of each strip-shaped adhesive layer is 1-4 mm, an exhaust port is formed between the end parts of two adjacent strip-shaped adhesive layers, and the total length L of all the exhaust ports is 1-2 cm. The arrangement of the exhaust port can facilitate the discharge of gas between the touch display screen or the glass cover plate and the liquid crystal display screen during vacuum lamination, and reduce the generation of bubbles.
Further, the number of the exhaust ports is at least 2, so that the exhaust of the gas is ensured to avoid generating bubbles.
In addition, the embodiment of the invention also provides a full-lamination device of the large-size touch display screen, which is used for laminating the touch capacitance screen or the glass cover plate with the liquid crystal display screen, and comprises the following steps of:
the optical adhesive coating machine is used for coating an optical adhesive layer on the surface of one side to be attached on the touch display screen or the glass cover plate;
the heat treatment equipment is used for carrying out heat curing treatment on the optical adhesive layer;
the CCD automatic dispensing equipment is used for forming a second bonding structure by coating according to a preset program outside the first bonding structure;
the vacuum laminating machine is used for vacuum laminating the touch display screen or the glass cover plate with the liquid crystal display screen;
and the deaeration machine is used for removing bubbles possibly existing between the attached touch display screen or glass cover plate and the liquid crystal display screen through specific temperature and pressure, and enabling the second bonding structure to react and solidify.
The full-laminating device of the large-size touch display screen is suitable for the full-laminating process of the large-size touch display screen through reasonable arrangement of all the equipment, and the automation degree of a production line is improved by utilizing the improvement of the process, so that the full-automatic production line is facilitated, the length of the production line is shortened, the manual participation is reduced, and the production and manufacturing cost is saved.
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
Drawings
FIG. 1 is a schematic diagram of a touch display screen bonding process in the prior art;
FIG. 2 is a schematic illustration of a prior art manually filled structural reinforcing adhesive;
fig. 3 is a schematic diagram of a full-lamination process of the large-sized touch display screen according to embodiment 1 of the present invention;
FIG. 4 is a schematic illustration of the coating of the structural reinforcing paste according to example 1 of the present invention;
fig. 5 is a schematic view of the first bonding structure and the second bonding structure according to embodiment 1 of the present invention.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Referring to fig. 3, fig. 3 is a schematic diagram of a full-lamination process of a large-size touch display screen according to embodiment 1 of the present invention, as shown in the drawing, embodiment 1 of the present invention provides a full-lamination process of a large-size touch display screen, which is used for laminating a touch capacitor screen or a glass cover plate with a liquid crystal display screen, and includes the following specific steps:
s1, attaching a protective film or an adhesive tape to the surface of one side to be attached on a touch display screen or a glass cover plate to define an optical adhesive area with a required shape and size, wherein the optical adhesive area is correspondingly positioned in a light-transmitting area of the glass cover plate, and the distance A between the edge of the optical adhesive area and the edge of the light-transmitting area is 2-5 mm; coating optical adhesive according to a preset pattern in an optical adhesive area reserved on the surface of one side to be attached on the touch display screen or the glass cover plate, and using a flat scraper to scrape the optical adhesive coated on the touch display screen or the glass cover plate so as to form an optical adhesive layer which is uniform and planar and has a preset thickness;
s2, in the embodiment, the optical adhesive is organic silicon optical adhesive with heat curing or UV and heat dual curing, and the optical adhesive layer is cured through heat treatment of a temperature control box, wherein the treatment temperature is 50-70 ℃, the treatment time is 15-25 min, and then the attached protective film or adhesive tape is removed, so that a first bonding structure with certain elasticity and certain viscosity on the surface is obtained;
s3, please refer to FIGS. 4 and 5, FIG. 4 is a schematic illustration of the coating of the structural reinforcement adhesive according to the embodiment 1 of the present invention, FIG. 5 is a schematic illustration of the first bonding structure and the second bonding structure according to the embodiment 1 of the present invention, as shown in the drawings, the touch display screen or the glass cover plate 1 coated and formed with the first bonding structure 2 obtained in the step S2 is placed above the dispensing platform 4, and the structural reinforcement adhesive is coated outside the peripheral edge of the optical adhesive layer along the direction surrounding the first bonding structure 2 by using the automatic dispensing device 3 with CCD alignment self-identification according to preset parameters in a dispensing manner to form a ring-shaped second bonding structure 3 with preset thickness and width; wherein the coating thickness h1 of the first adhesive structure 2 is smaller than the coating thickness h2 of the second adhesive structure 3, further, h1: h2 =1: 1.1 to 1.3, after the bonding, the second bonding structure 3 can be pressed between the touch display screen or the glass cover plate 1 and the liquid crystal display screen in an interference manner by utilizing the bonding force between the first bonding structure 2 and the liquid crystal display screen, so that good sealing property and structural reinforcement can be obtained;
further, as shown in fig. 5, the second adhesive structure 3 is formed by enclosing a plurality of adhesive strips 31, the width D of the adhesive strips 31 is 1-4 mm, the distance D between the extending direction of the adhesive strips 31 and the edge of the first adhesive structure 2 is 3-8 mm, and air vents 32 are formed between the ends of two adjacent adhesive strips 31, the number of the air vents 32 is at least 2, and the total length L of all the air vents 32 is 1-2 cm, wherein a is shown in fig. 3, B is shown as B, and C is shown as C. The exhaust port 32 is arranged to facilitate the discharge of gas between the touch display screen or the glass cover plate 1 and the liquid crystal display screen during vacuum lamination, so that the generation of bubbles is reduced;
s4, in a vacuum laminating machine, laminating the surface to be laminated of the touch display screen or the glass cover plate 1 on the liquid crystal display screen under preset laminating parameters, enabling the first bonding structure and the second bonding structure to be laminated with the surface of the liquid crystal display screen, then integrally placing the liquid crystal display screen and the liquid crystal display screen in a defoaming machine for defoaming treatment, and curing the second bonding structure by utilizing the temperature and the pressure in the defoaming treatment;
s5, checking and packaging.
According to the full-lamination process of the large-size touch display screen disclosed by the embodiment of the invention, the lamination process is optimized and improved, an optical adhesive layer is coated on the surface of one side to be laminated on the touch display screen or the glass cover plate in advance and cured to form a first bonding structure, the first bonding structure is used for realizing main bonding lamination of the touch display screen or the glass cover plate and the liquid crystal display screen, a second annular bonding structure is formed outside the edge of the first bonding structure and is mainly used for reinforcing the bonding strength between the touch display screen or the glass cover plate and the liquid crystal display screen, then the surface of one side, on which the first bonding structure and the second bonding structure are coated, of the touch display screen or the glass cover plate is subjected to vacuum lamination with the liquid crystal display screen, and finally the full-lamination process is completed after vacuum defoamation.
Compared with the prior art that the touch display screen or the glass cover plate is directly attached to the liquid crystal display screen after the optical glue layer is coated, and then the process of manually filling the structural reinforcing glue is carried out in a gap between the touch display screen or the glass cover plate and the liquid crystal display screen, the process of the embodiment of the invention has less limitation on the coating of the structural reinforcing glue, can directly use dispensing equipment to realize automatic dispensing, can avoid the problems of low production efficiency, easy occurrence of poor glue opening, air bubbles and the like due to difficult control of glue amount, further causes poor product stability, low yield and the like, and particularly for large-size products, the process needs to be carried for many times during manual glue filling, seriously influences the production efficiency, and the improved full attaching process is beneficial to realizing full production line automation, shortens the production line length, reduces the manual participation and saves the production and manufacturing cost; in addition, by utilizing the temperature and pressure conditions of the defoaming treatment after bonding, the second structure can be cured at the same time, and compared with the technology that standing or independent curing operation is needed after the structure reinforcing glue is dispensed, the process disclosed by the embodiment of the invention can shorten the production period and reduce the occupied area of workshops during production. The turnover efficiency is improved.
Example 2
The embodiment 2 of the invention provides a full-laminating device of a large-size touch display screen, which is used for laminating a touch capacitance screen or a glass cover plate with a liquid crystal display screen, and comprises the following components in sequence:
the optical adhesive coating machine is used for coating an optical adhesive layer on the surface of one side to be attached on the touch display screen or the glass cover plate;
the heat treatment equipment is used for carrying out heat curing treatment on the optical adhesive layer;
the CCD automatic dispensing equipment is used for forming a second bonding structure by coating according to a preset program outside the first bonding structure;
the vacuum laminating machine is used for vacuum laminating the touch display screen or the glass cover plate with the liquid crystal display screen;
and the deaeration machine is used for removing bubbles possibly existing between the attached touch display screen or glass cover plate and the liquid crystal display screen through specific temperature and pressure, and enabling the second bonding structure to react and solidify.
According to the full-lamination device for the large-size touch display screen, disclosed by the embodiment of the invention, the full-lamination process for the large-size touch display screen is adapted through reasonable arrangement of all the equipment, the automation degree of a production line is improved by utilizing the improvement of the process, the full-automation is facilitated, the length of the production line is shortened, the manual participation is reduced, and the production and manufacturing cost is saved.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (10)
1. The full-lamination process for the large-size touch display screen is used for laminating the touch capacitive screen or the glass cover plate with the liquid crystal display screen and is characterized by comprising the following specific steps of:
s1, coating optical adhesive in an optical adhesive area reserved on the surface of one side to be attached on a touch display screen or a glass cover plate according to a preset pattern to form an optical adhesive layer which is uniform and planar and has a preset thickness;
s2, solidifying the optical adhesive layer to obtain a first bonding structure with certain elasticity and certain viscosity on the surface;
s3, coating structural reinforcing glue on the outer edges of the periphery of the optical glue layer along the direction surrounding the optical glue layer to form a ring-shaped second bonding structure with preset thickness and width;
and S4, attaching the surface to be attached of the touch display screen or the glass cover plate to the liquid crystal display screen, enabling the first bonding structure and the second bonding structure to be attached to the surface of the liquid crystal display screen, then conducting deaeration treatment, and enabling the second bonding structure to be solidified.
2. The full-lamination process of the large-size touch display screen according to claim 1, wherein the full-lamination process is characterized in that: the step S1 further includes adhering a protective film or an adhesive tape to a surface of the touch display screen or the glass cover plate to be adhered to define an optical adhesive area with a desired shape and size.
3. The full-lamination process of the large-size touch display screen according to claim 1, wherein the full-lamination process is characterized in that: the coating thickness h1 of the first bonding structure is smaller than the coating thickness h2 of the second bonding structure.
4. The full-lamination process of the large-size touch display screen according to claim 3, wherein the full-lamination process comprises the following steps of: h1: h2 =1: 1.1 to 1.3.
5. The full-lamination process of the large-size touch display screen according to claim 2, wherein the full-lamination process is characterized in that: the optical adhesive and the structural reinforcing adhesive are both acrylic ester thermosetting compositions, or the optical adhesive and the structural reinforcing adhesive are both organic silicon thermosetting compositions, and the bonding strength of the structural reinforcing adhesive is larger than that of the optical adhesive.
6. The full-lamination process of the large-size touch display screen according to claim 1, wherein the full-lamination process is characterized in that: in the step S2, the optical adhesive layer is solidified through heating treatment, the treatment temperature is 50-70 ℃, and the treatment time is 15-25 min.
7. The full-lamination process of the large-size touch display screen according to claim 1, wherein the full-lamination process is characterized in that: the second bonding structure is obtained by applying an automatic dispensing device with CCD alignment self-identification.
8. The full-lamination process of the large-size touch display screen according to claim 1, wherein the full-lamination process is characterized in that: the second bonding structure is formed by encircling a plurality of strip-shaped adhesive layers, the width d of each strip-shaped adhesive layer is 1-4 mm, an exhaust port is formed between the end parts of two adjacent strip-shaped adhesive layers, and the total length L of all the exhaust ports is 1-2 cm.
9. The full-lamination process of the large-size touch display screen according to claim 8, wherein the full-lamination process is characterized in that: the number of exhaust ports is at least 2.
10. The utility model provides a full laminating device of jumbo size touch-control display screen, its is used for laminating touch-control capacitive screen or glass apron and liquid crystal display, its characterized in that: the method comprises the following steps of:
the optical adhesive coating machine is used for coating an optical adhesive layer on the surface of one side to be attached on the touch display screen or the glass cover plate;
the heat treatment equipment is used for carrying out heat curing treatment on the optical adhesive layer;
the CCD automatic dispensing equipment is used for forming a second bonding structure by coating according to a preset program outside the first bonding structure;
the vacuum laminating machine is used for vacuum laminating the touch display screen or the glass cover plate with the liquid crystal display screen;
and the deaeration machine is used for removing bubbles possibly existing between the attached touch display screen or glass cover plate and the liquid crystal display screen through specific temperature and pressure, and enabling the second bonding structure to react and solidify.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211174750.1A CN117806062A (en) | 2022-09-26 | 2022-09-26 | Full-lamination process and device for large-size touch display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211174750.1A CN117806062A (en) | 2022-09-26 | 2022-09-26 | Full-lamination process and device for large-size touch display screen |
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| Publication Number | Publication Date |
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| CN117806062A true CN117806062A (en) | 2024-04-02 |
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| CN202211174750.1A Pending CN117806062A (en) | 2022-09-26 | 2022-09-26 | Full-lamination process and device for large-size touch display screen |
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| Country | Link |
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| CN (1) | CN117806062A (en) |
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- 2022-09-26 CN CN202211174750.1A patent/CN117806062A/en active Pending
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