CN107329640B - Capacitive touch screen manufacturing method - Google Patents
Capacitive touch screen manufacturing method Download PDFInfo
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- CN107329640B CN107329640B CN201710536847.5A CN201710536847A CN107329640B CN 107329640 B CN107329640 B CN 107329640B CN 201710536847 A CN201710536847 A CN 201710536847A CN 107329640 B CN107329640 B CN 107329640B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The invention discloses a capacitive touch screen manufacturing method, which comprises the following steps of S1: providing a computer and a printer, and connecting the printer with the computer through signals; s2: presetting a first matrix graph and a second matrix graph on a computer and adding UV printing ink doped with nano metal into an ink box of a printer; s3: respectively aging a first substrate and a second substrate for manufacturing a touch screen; s4: printing a first matrix graph preset in a computer on a first substrate and printing a second matrix graph preset in the computer on a second substrate by using a printer; s5: respectively irradiating the first substrate and the second substrate by using ultraviolet light to solidify the UV ink; s6: coating optical cement on one side of the first substrate printed with the first matrix pattern; s7: and attaching the first substrate and the second substrate to form a mutual capacitance matrix by the first matrix pattern and the second matrix pattern, thereby forming a capacitor. The matrix pattern is made of the nano metal, so that the resistance value of the matrix pattern is reduced, and the sensitivity of the touch screen is improved.
Description
Technical Field
The invention relates to a capacitive touch screen, in particular to a manufacturing method of the capacitive touch screen.
Background
The touch screen is one of important media for human-computer interaction, and with the rapid development of touch products, the requirements of people on the touch products are increasing day by day. From the small-size screen of intelligence wearing, to the portable class product of cell-phone, to panel computer, all-in-one etc. also higher and higher to the performance requirement of touch-sensitive screen to trend towards orientation development such as function diversification and jumbo size.
In the production process of the small and medium-sized capacitive touch screen, the following processes can be generally adopted: dry etching, wet etching, laser etching, photolithography etching, and the like. The basic process principle is that different etching processes are adopted, mutually close conducting wire patterns are formed on an ITO film, finally, capacitance value changes caused by position changes are converted into digital signals through a chip processor, and the positions of touch points are determined after the digital signals pass through an amplifier. However, the touch screen based on such processing method has a disadvantage that the resistance of the ITO film of the touch product is not negligible, and the sensing sensitivity of the touch product is limited by the resistance and is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the manufacturing method of the capacitive touch screen with high sensing sensitivity is provided.
In order to solve the technical problems, the invention adopts the technical scheme that: a method for manufacturing a capacitive touch screen,
s1: providing a computer and a printer, and connecting the printer with the computer through signals;
s2: presetting a first matrix graph and a second matrix graph on a computer and adding UV printing ink doped with nano metal into an ink box of a printer;
s3: respectively aging a first substrate and a second substrate for manufacturing a touch screen;
s4: printing a first matrix graph preset in a computer on a first substrate and printing a second matrix graph preset in the computer on a second substrate by using a printer;
s5: respectively irradiating the first substrate and the second substrate by using ultraviolet light to solidify the UV ink;
s6: coating optical cement on one side of the first substrate printed with the first matrix pattern;
s7: and attaching the first substrate and the second substrate to form a mutual capacitance matrix by the first matrix pattern and the second matrix pattern, thereby forming a capacitor.
The invention has the beneficial effects that: the matrix pattern is made of the nano metal, so that the resistance value of the matrix pattern is greatly reduced, and the sensitivity of the touch screen is ensured; the traditional complex process is overturned, so that a product does not need to be provided with a die, the linearity of the produced product is good, the touch effect is improved to some extent, and most importantly, the product is not limited by the size and supports a large-scale capacitive touch screen.
Drawings
Fig. 1 is a flowchart of a method for manufacturing a capacitive touch screen according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first substrate in a capacitive touch screen according to a first embodiment of the invention;
fig. 3 is a schematic structural diagram of a first substrate in a capacitive touch screen according to a first embodiment of the invention.
Description of reference numerals:
1. a first substrate;
2. a first matrix pattern;
3. a second substrate;
4. a second matrix pattern.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: presetting a matrix pattern on a computer and printing the nano metal on the substrate by using a printer to form the preset matrix pattern.
Referring to fig. 1 to 3, a method for manufacturing a capacitive touch screen, S1: providing a computer and a printer, and connecting the printer with the computer through signals; s2: presetting a first matrix graph 2 and a second matrix graph 4 on a computer and adding UV printing ink doped with nano metal into an ink box of a printer; s3: respectively aging a first substrate 1 and a second substrate 3 for manufacturing a touch screen; s4: printing a first matrix graph 2 preset in a computer on a first substrate 1 and printing a second matrix graph 4 preset in the computer on a second substrate 3 by using a printer; s5: respectively irradiating the first substrate 1 and the second substrate 3 by using ultraviolet light to solidify the UV ink; s6: coating optical cement on one side of the first substrate 1 printed with the first matrix pattern 2; s7: the first substrate 1 and the second substrate 3 are bonded to form a mutual capacitance matrix of the first matrix pattern 2 and the second matrix pattern 4, thereby forming a capacitor.
The principle of the invention is briefly described as follows: the resistance value of the nano metal is generally several ohms, which is ten times smaller than that of ITO (indium tin oxide), and the nano metal is used as a lead, so that the resistance value of the matrix pattern is effectively reduced, and the sensitivity of the touch screen is improved.
From the above description, the beneficial effects of the present invention are: the matrix pattern is made of the nano metal, so that the resistance value of the matrix pattern is greatly reduced, and the sensitivity of the touch screen is ensured; the traditional complex process is overturned, so that a product does not need to be provided with a die, the linearity of the produced product is good, the touch effect is improved to some extent, and most importantly, the product is not limited by the size and supports a large-scale capacitive touch screen.
Further, in step S3, the first substrate 1 and the second substrate 3 are respectively placed in an environment at 150 ℃ for 90 minutes to be aged.
Further, before step S4, the parameters of the printer are set so that the printing line width of the printer is 0.003mm to 0.012 mm.
Further, the print line width of the printer is set to 0.003mm, 0.005mm, 0.008mm, or 0.012 mm.
Further, in step S5, the first substrate 1 and the second substrate 3 are respectively placed in an environment of 130 ℃ for ultraviolet light irradiation for 60min to cure the UV ink.
Further, the first matrix pattern 2 is a path matrix in the X-axis direction, and the second matrix pattern 4 is a path matrix in the Y-axis direction.
Further, the material of the first substrate 1 is glass or PET.
Further, the printer is a 3D printer.
Further, the nano metal is nano silver, nano tin or nano copper.
Further, the optical cement thickness is 25 um.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: a method for manufacturing a capacitive touch screen, S1: providing a computer and a printer, and connecting the printer with the computer through signals; s2: presetting a first matrix graph 2 and a second matrix graph 4 on a computer and adding UV printing ink doped with nano metal into an ink box of a printer; s3: respectively aging a first substrate 1 and a second substrate 3 for manufacturing a touch screen; s4: printing a first matrix graph 2 preset in a computer on a first substrate 1 and printing a second matrix graph 4 preset in the computer on a second substrate 3 by using a printer; s5: respectively irradiating the first substrate 1 and the second substrate 3 by using ultraviolet light to solidify the UV ink; s6: coating optical cement on one side of the first substrate 1 printed with the first matrix pattern 2; s7: the first substrate 1 and the second substrate 3 are bonded to form a mutual capacitance matrix of the first matrix pattern 2 and the second matrix pattern 4, thereby forming a capacitor.
In step S3, the first substrate 1 and the second substrate 3 are respectively placed in an environment at 150 ℃ for 90 minutes to be aged.
Before step S4, the printer is subjected to parameter setting so that the print line width of the printer is 0.003mm to 0.012 mm. Preferably, the print line width of the printer is set to 0.003mm, 0.005mm, 0.008mm, or 0.012 mm.
In step S5, the first substrate 1 and the second substrate 3 are respectively placed in an environment of 130 ℃ for ultraviolet light irradiation for 60min to cure the UV ink.
After the first matrix pattern 2 and the second matrix pattern 4 are bonded, a mutual capacitance matrix should be formed by forming a staggered structure, and preferably, as shown in fig. 2 and 3, the first matrix pattern 2 is a path matrix in the X-axis direction, and the second matrix pattern 4 is a path matrix in the Y-axis direction.
The first substrate 1 is made of glass or PET.
The printer is a 3D printer, and is further provided with an air suction platform, and the air suction platform is opened when the matrix graph is printed, so that the base material can be adsorbed on the platform smoothly.
In detail, the nano metal is nano silver, nano tin or nano copper. In this embodiment, the nano metal is nano copper.
The optical cement thickness is 20um-30um, and the optical cement thickness is 25um preferably. The optical cement is optical silica gel.
In summary, according to the method for manufacturing the capacitive touch screen, the matrix pattern is manufactured by adopting the nano metal, so that the resistance value of the matrix pattern is greatly reduced, and the sensitivity of the touch screen is ensured; the traditional complex process is overturned, so that a product does not need to be provided with a die, the linearity of the produced product is good, the touch effect is improved to some extent, and most importantly, the product is not limited by the size and supports a large-scale capacitive touch screen.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. A manufacturing method of a capacitive touch screen is characterized by comprising the following steps:
s1: providing a computer and a printer, and connecting the printer with the computer through signals;
s2: presetting a first matrix graph and a second matrix graph on a computer and adding UV printing ink doped with nano metal into an ink box of a printer;
s3: respectively placing a first substrate and a second substrate for manufacturing a touch screen in an environment of 150 ℃ for 90 minutes so as to age the substrates;
s4: printing a first matrix graph preset in a computer on a first substrate and printing a second matrix graph preset in the computer on a second substrate by using a printer;
s5: respectively irradiating the first substrate and the second substrate by using ultraviolet light to solidify the UV ink;
s6: coating optical cement on one side of the first substrate printed with the first matrix pattern;
s7: and attaching the first substrate and the second substrate to form a mutual capacitance matrix by the first matrix pattern and the second matrix pattern, thereby forming a capacitor.
2. A method of making a capacitive touch screen according to claim 1, wherein: before step S4, the printer is subjected to parameter setting so that the print line width of the printer is 0.003mm to 0.012 mm.
3. A method of making a capacitive touch screen according to claim 2, wherein: the print line width of the printer is set to 0.003mm, 0.005mm, 0.008mm, or 0.012 mm.
4. A method of making a capacitive touch screen according to claim 1, wherein: in step S5, the first substrate and the second substrate are respectively placed in an environment of 130 ℃ for ultraviolet light irradiation for 60min to cure the UV ink.
5. A method of making a capacitive touch screen according to claim 1, wherein: the first matrix pattern is a path matrix in the X-axis direction, and the second matrix pattern is a path matrix in the Y-axis direction.
6. A method of making a capacitive touch screen according to claim 1, wherein: the first substrate is made of glass or PET.
7. A method of making a capacitive touch screen according to claim 1, wherein: the nano metal is nano silver, nano tin or nano copper.
8. A method of making a capacitive touch screen according to claim 1, wherein: the optical cement thickness is 25 um.
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| CN201710536847.5A CN107329640B (en) | 2017-07-04 | 2017-07-04 | Capacitive touch screen manufacturing method |
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| CN201710536847.5A CN107329640B (en) | 2017-07-04 | 2017-07-04 | Capacitive touch screen manufacturing method |
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| CN107329640A CN107329640A (en) | 2017-11-07 |
| CN107329640B true CN107329640B (en) | 2021-03-23 |
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| CN108469920B (en) * | 2018-01-18 | 2021-01-26 | 深圳市志凌伟业技术股份有限公司 | Manufacturing method of sensing metal grid for touch panel |
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| CN101458416A (en) * | 2007-12-12 | 2009-06-17 | 胜华科技股份有限公司 | Touching control panel and method for producing the same |
| TWI446243B (en) * | 2011-10-31 | 2014-07-21 | Hannstar Display Corp | Touchscreen and touch panel display and producing method thereof |
| CN103135866A (en) * | 2011-12-02 | 2013-06-05 | 上海晨兴希姆通电子科技有限公司 | Manufacture method for capacitance type touch screen |
| CN102402359A (en) * | 2011-12-27 | 2012-04-04 | 天津美泰真空技术有限公司 | Capacitive touch screen |
| CA2897675C (en) * | 2012-02-09 | 2017-07-18 | Brandbumps, Llc | Decorative detectable warning panel having improved grip |
| CN102662522B (en) * | 2012-04-16 | 2015-11-18 | 姜洪波 | Prepare the method for flexible touch screen and the equipment of preparation touch control electrode coiled material |
| CN102707837A (en) * | 2012-05-04 | 2012-10-03 | 牧东光电（苏州）有限公司 | Single-face multi-point touch panel and manufacture method thereof |
| CN103064576B (en) * | 2013-02-07 | 2015-08-05 | 汕头超声显示器（二厂）有限公司 | A kind of capacitance touch screen with nano silver electrode |
| CN104020889A (en) * | 2014-05-30 | 2014-09-03 | 南昌欧菲光科技有限公司 | Touch substrate and manufacturing method thereof |
| CN104407749A (en) * | 2014-05-31 | 2015-03-11 | 福州大学 | A method for 3D manufacturing an OGS capacitive touch screen |
| CN104407459B (en) * | 2014-05-31 | 2018-01-12 | 福州大学 | A kind of built-in type touch display screen and its manufacture method |
| CN104216587A (en) * | 2014-08-25 | 2014-12-17 | 格林精密部件（惠州）有限公司 | Silver nanowire conductive film touch screen and method for producing conductive film thereof |
| CN204155240U (en) * | 2014-10-29 | 2015-02-11 | 江西合力泰科技有限公司 | A kind of novel touch-control display module |
| CN105426002B (en) * | 2015-11-30 | 2018-10-26 | 东莞市纳利光学材料有限公司 | A kind of UV curing type transparent conductive films and preparation method thereof with metal grill |
| CN106273903B (en) * | 2016-10-13 | 2019-03-01 | 合肥鑫晟光电科技有限公司 | Composite membrane and its manufacturing method, touch screen |
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