CN106951121B - Touch control device - Google Patents
Touch control device Download PDFInfo
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- CN106951121B CN106951121B CN201710164378.9A CN201710164378A CN106951121B CN 106951121 B CN106951121 B CN 106951121B CN 201710164378 A CN201710164378 A CN 201710164378A CN 106951121 B CN106951121 B CN 106951121B
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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
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Push-Button Switches (AREA)
- Non-Insulated Conductors (AREA)
Abstract
The invention provides a touch device, which comprises a touch sensor assembly and a controller in communication connection with the touch sensor assembly, wherein the touch sensor assembly comprises two layers of nano metal conductive electrode layers, each nano metal conductive electrode layer is provided with a plurality of conductive areas, and an electric signal sent by the controller has at least one of the following characteristics: the duty ratio is not more than 1/10, the waveform frequency of the scanning signal is not less than 30KHz, the time for generating pressure difference between adjacent conductive regions on the same nano metal conductive electrode layer is not more than 10 microseconds, and the signals of each conductive region on the same nano metal conductive electrode layer are consistent, so that the strength of an electric field formed by electric signals between local conductive regions can be weakened or the electric field is not formed by the electric signals between the local conductive regions, an electrochemical loop formed between the adjacent conductive regions is prevented, the touch sensor assembly is prevented from being invalid, the service life of the touch sensor assembly can be greatly prolonged, and the reliability of the touch sensor assembly in a severe environment can be greatly improved.
Description
Technical Field
The present invention relates to a touch device, and more particularly, to a touch device capable of enhancing durability of a touch sensor assembly.
Background
With the rapid rise of touch panels in the communication industry in recent years, touch panels become the first choice of imaging display devices nowadays. At present, a touch panel with a high utilization rate is mainly a capacitive touch panel, a conductive material of the capacitive touch panel is usually Indium Tin Oxide (ITO), the light transmittance of the ITO is high, and the conductive performance of the ITO is also good, however, the ITO has an excessively large sheet resistance, and is very fragile and easy to damage.
Nano metals, such as nano silver wires, nano copper wires and the like, have excellent conductivity, light transmittance and bending resistance, and are gradually developed and applied to replace ITO as a conductive electrode material, however, the conductive electrode material of the nano metal conductive film, namely nano metals, has extremely high specific surface energy, nano metals with excellent conductivity are also more active compared with ITO, the activation energy peak of oxidation reaction is relatively low, nano metals easily cross the activation energy peak under certain high-energy unsteady state, oxidation reaction occurs, so that the conductivity is extremely reduced, the electrical function is lost, the sensing sensitivity is reduced, and finally the conductive electrode material fails.
In view of the above, there is a need for an improved touch device to solve the above problems.
Disclosure of Invention
An object of the present invention is to provide a touch device capable of enhancing durability of a touch sensor assembly.
In order to achieve the above object, the present invention provides a touch device, including a touch sensor assembly and a controller communicatively connected to the touch sensor assembly, wherein the touch sensor assembly includes two nano metal conductive electrode layers, each of the nano metal conductive electrode layers has a plurality of conductive areas and a non-conductive area located between adjacent conductive areas, the controller sends an electrical signal to the conductive areas to drive the touch sensor assembly, and the electrical signal sent by the controller has at least one of the following characteristics to prevent the conductive areas from undergoing an oxidation reaction: the duty ratio is not more than 1/10, the waveform frequency of the scanning signal is not less than 30KHz, the time for generating pressure difference between adjacent conductive regions on the same nano metal conductive electrode layer is not more than 10 microseconds, and the signals of each conductive region on the same nano metal conductive electrode layer are consistent; the non-conductive area is also provided with a virtual electrode block, and the virtual electrode block and the adjacent conductive area are arranged in an insulated manner; the area of the virtual electrode block is not more than 1mm2。
As a further improvement of the present invention, the consistency of the signal of each conductive region on the same nanometal conductive electrode layer means that the voltage start time, the voltage duration, the voltage end time and the voltage value of each conductive region on the same nanometal conductive electrode layer are consistent.
As a further improvement of the present invention, the touch device further includes a transparent cover plate located above the touch sensor element, and a first adhesive layer adhering the transparent cover plate and the touch sensor element together, wherein the first adhesive layer has a water vapor permeability of not more than 1.5 × 10-2。
As a further improvement of the invention, the distance between two adjacent conductive areas on the same nano-metal conductive electrode layer is not less than 30 microns.
As a self-service hairThe touch sensor assembly further comprises a substrate layer, the two layers of the nano metal conductive electrode layers are respectively arranged on two opposite sides of the substrate layer, and the water vapor permeability of the substrate layer is not more than 10-3。
As a further improvement of the invention, the touch sensor assembly further comprises a protective layer arranged on the nano metal conductive electrode layer and far away from the substrate layer, and the water vapor permeability of the protective layer is not more than 10-2。
As a further improvement of the present invention, the touch sensor assembly includes two nanometal conductive films and a second adhesion layer for adhering the two nanometal conductive films together, each nanometal conductive film includes a nanometal conductive electrode layer, and the water vapor permeability of the second adhesion layer is not greater than 1.5 × 10-2。
As a further improvement of the present invention, each of the nano metal conductive films further includes a substrate layer, the nano metal conductive electrode layer is formed on a surface of the substrate layer, the second bonding layer is used to bond the substrate layer of the nano metal conductive film located on the upper side and the nano metal conductive electrode layer of the nano metal conductive film located on the lower side, and the substrate layer has a water vapor permeability of not more than 10-3。
As a further improvement of the invention, each nano metal conductive film also comprises a protective layer arranged on the nano metal conductive electrode layer at the side far away from the substrate layer, and the water vapor permeability of the protective layer is not more than 10-2。
The invention has the beneficial effects that: according to the touch sensor assembly, the strength of an electric field formed by the electric signal between the local conductive areas can be weakened or the electric field is not formed by the electric signal between the local conductive areas by changing the electric signal given by the controller, so that an electrochemical loop is prevented from being formed between the adjacent conductive areas, and the nano metal is subjected to redox reaction, so that the conductive performance of the conductive areas is reduced, the resistance of the conductive areas is continuously increased until the controller cannot drive the touch sensor assembly, namely, the touch sensor assembly fails; the service life of the touch sensor assembly can be greatly prolonged, the reliability of the touch sensor assembly in a very harsh use environment can be greatly improved, the touch sensor assembly is used for 1000hrs in an electrified state under the condition of high temperature and high humidity (85 ℃/85% RH), and the service life of the touch sensor assembly is more than 10 years under the condition of a conventional environment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in detail below with reference to specific embodiments.
The invention provides a touch device which comprises a transparent cover plate, a touch sensor assembly attached to the lower side of the transparent cover plate, a first attachment layer used for attaching the transparent cover plate and the touch sensor assembly together, and a controller in communication connection with the touch sensor assembly, wherein the controller sends an electric signal to the touch sensor assembly to drive the touch sensor assembly.
The transparent cover plate can be made of soft or hard insulating materials, and if the transparent cover plate is made of soft insulating materials, a flexible touch device can be formed so as to meet the requirements of other equipment such as intelligent wearing. Besides the protective function, the outer surface of the transparent cover plate can be treated or added to have the functions of abrasion resistance, scratch resistance, reflection resistance and/or fingerprint resistance.
The touch sensor component comprises two layers of nano metal conductive electrode layers, and the nano metal conductive electrode layers are used for replacing ITO (indium tin oxide) as the conductive electrode layers, so that the performances of conductivity, reaction sensitivity, light transmittance, flexibility and the like of the touch sensor component are greatly improved.
For convenience of description, the conductive electrode material of the nano metal conductive electrode layer takes a nano silver wire as an example, that is, the nano metal conductive electrode layer is a nano silver wire conductive electrode layer, and certainly, the conductive electrode material of the nano metal conductive electrode layer may also be a nano copper wire.
The nano silver wire conductive electrode layer contains a plurality of nano silver wires, and the inner diameter grade of the nano silver wires is nano-scale and is very fine, so that the nano silver wire conductive electrode layer formed by the nano silver wires has excellent light transmission; meanwhile, the nano silver wire conductive film is low in impedance, high in sensitivity and good in flexibility.
The nano silver wire conductive electrode layer is provided with a plurality of conductive areas, non-conductive areas positioned between the adjacent conductive areas and virtual electrode blocks arranged on the non-conductive areas, and the virtual electrode blocks and the adjacent conductive areas are arranged in an insulated mode.
The distance between two adjacent conductive areas on the same silver nanowire conductive electrode layer is not less than 30 microns, increases the distance between two adjacent conductive areas promptly, when the signal of telecommunication that the controller given formed the electric field effect between the conductive area, increases the transfer distance of electrolyte ion between two adjacent conductive areas to difficult formation electrochemical loop between two adjacent conductive areas can prevent that the silver nanowire oxidation from becoming the silver oxide, prevents promptly that touch sensor subassembly from becoming invalid, increases touch sensor subassembly's life.
Simultaneously, the area of virtual electrode piece is not more than 1mm2 to avoid taking place voltage induction effect between the two-layer nanometer silver silk conducting electrode layer, form great electric field and take place electrochemical reaction, lead to the conductive area to take place oxidation reaction, make nanometer silver silk oxidation to become silver oxide, thereby make the electric conductive property of conductive area reduce, the continuous grow of resistance of conductive area, until the controller can't drive touch-control sensor subassembly, promptly, touch-control sensor subassembly is inefficacy.
Further, the electric signal given by the controller has at least one of the following characteristics: the duty ratio is not more than 1/10, the waveform frequency of the scanning signal is not less than 30KHz, the time for generating pressure difference between adjacent conductive regions on the same nano metal conductive electrode layer is not more than 10 microseconds, and the signals of each conductive region on the same nano metal conductive electrode layer are consistent. Thereby can prevent to form the electric field between the local conduction region, perhaps can weaken the intensity of the electric field that forms to prevent to form the electrochemistry return circuit between the adjacent conduction region, make the conduction region take place oxidation reaction, nanometer silver wire oxidation becomes the silver oxide promptly, thereby makes the electric conductivity of conduction region reduce, and the resistance of conduction region constantly becomes big, until the controller can't drive the touch sensor subassembly, promptly, the touch sensor subassembly is inefficacy.
Specifically, after a voltage difference is applied to adjacent conductive regions, the adjacent conductive regions and electrolyte ions between the adjacent conductive regions form an electrolytic cell, that is, a current is generated to form an electrochemical loop, so that the silver nanowire is oxidized into silver oxide, and therefore, in the scheme, the time for generating the voltage difference between adjacent conductive regions on the same nano metal conductive electrode layer is not more than 10 microseconds, so that the probability of electrochemical redox reaction is reduced.
Specifically, the consistency of the signal of each conductive region on the same nanometal conductive electrode layer refers to the consistency of the voltage start time, the voltage duration time, the voltage end time and the voltage value of each conductive region on the same nanometal conductive electrode layer.
The controller may be of any model of SIS brand, provided that the electrical signal from the controller of that model meets the above-mentioned characteristics, e.g., 9279.
In a first embodiment of the present invention, the touch sensor device has an FF structure. The touch sensor assembly comprises two patterned nano metal conductive films and a second adhesive layer used for adhering the two patterned nano metal conductive films together. The nano metal conductive film and the nano metal conductive electrode layer are in one-to-one correspondence. One of the two nano metal conductive films positioned at the lower side is an emitting layer, and the other positioned at the upper side is a receiving layer.
Each nanometer metal conducting film all includes the substrate layer, locates nanometer metal conducting electrode layer on the substrate layer and locate keep away from on the nanometer metal conducting electrode layer the protective layer of one side of substrate layer.
In this embodiment, for convenience of description, the nano metal conductive film is exemplified by a nano silver wire conductive film, that is, the nano silver wire conductive film includes a substrate layer, a nano silver wire conductive electrode layer disposed on the substrate layer, and a protective layer disposed on a side of the nano silver wire conductive electrode layer away from the substrate layer, and of course, the nano metal conductive film may be a nano copper wire conductive film.
The second laminating layer is used for laminating the two nano silver wire conductive films together to form the touch sensor assembly. That is, the second adhesive layer is used for adhering the substrate layer of the upper-side nano silver wire conductive film to the protective layer of the lower-side nano silver wire conductive film, and the second adhesive layer has extremely strong insulating property.
Meanwhile, the water vapor permeability of the second adhesive layer is not greater than 1.5 x 10-2, so that when an electric field is formed between each conductive region by an electric signal given by the controller, small molecules or atoms in the second adhesive layer are subjected to an ionization reaction under the combined action of absorbed moisture and the electric field to form electrolyte ions, an electrochemical loop is formed between adjacent conductive regions, and the conductive regions are subjected to an oxidation reaction, namely, silver oxide is oxidized by the nano silver wires, so that the conductive performance of the conductive regions is reduced, and the resistance of the conductive regions is continuously increased until the controller cannot drive the touch sensor assembly, namely, the touch sensor assembly fails.
The moisture permeability of the protective layer is not more than 10-2, so that moisture is prevented from invading the nano silver wire conductive electrode layer through the protective layer, an electrolyte (liquid) is formed together with etched residual particles on the nano silver wire conductive electrode layer, an electrochemical loop is formed between adjacent conductive areas, and the nano silver wire is oxidized into silver oxide, so that the conductive performance of the conductive areas is reduced, the resistance of the conductive areas is continuously increased until a controller cannot drive the touch sensor assembly, namely, the touch sensor assembly fails.
The vapor permeability of substrate layer is not more than 10-3, prevents that moisture from invading the second adhesive layer from the nanometer silver silk conducting film that is located the upside, makes the micromolecule in the second adhesive layer under the combined action of water and electric field ionization for electrolyte ion back get into between the adjacent conductive region and form the electrochemistry return circuit, makes nanometer silver silk oxidation silver oxide to make the electric conductive property of conductive region reduce, the continuous grow of resistance of conductive region, until the unable drive of controller touch-control sensor subassembly, promptly, the touch-control sensor subassembly is invalid. In the embodiment, the material of the base material layer is a material with water vapor permeability not more than 10 < -3 > such as PET, PEN or PI.
The first laminating layer is used for laminating the transparent cover plate and the nano silver wire conducting film positioned on the upper side together, namely laminating the transparent cover plate and the touch sensor together to form the touch device.
The moisture permeability of the first adhesive layer is not greater than 1.5 x 10-2, so that when an electric field is formed between the local conductive regions by an electric signal given by the controller, small molecules in the first adhesive layer undergo an ionization reaction under the combined action of moisture and the electric field to form electrolyte ions and invade the conductive electrode layer of the nano silver wire, an electrochemical loop is formed between the adjacent conductive regions, the nano silver wire is oxidized into silver oxide, the conductive performance of the conductive regions is reduced, the resistance of the conductive regions is continuously increased until the controller cannot drive the touch sensor assembly, namely, the touch sensor assembly fails.
In the second embodiment of the present invention, the touch sensor assembly has an F2 structure, that is, the touch sensor assembly further includes a substrate layer, and the two nano metal conductive electrode layers are respectively disposed on two opposite sides of the substrate layer.
For convenience of description, the conductive electrode material of the nano metal conductive electrode layer takes a nano silver wire as an example, that is, the nano metal conductive electrode layer is a nano silver wire conductive electrode layer, and certainly, the conductive electrode material of the nano metal conductive electrode layer may also be a nano copper wire.
One layer of the two silver nanowire conducting electrode layers, which is positioned on the upper side, is a receiving layer, and the other layer, which is positioned on the lower side, is an emitting layer. The moisture permeability of the substrate layer is not more than 10-3, so that moisture is prevented from invading the silver nanowire conductive electrode layer positioned on the lower side from the silver nanowire conductive electrode layer positioned on the upper side, and electrolyte (liquid) is formed together with etched residual particles on the silver nanowire conductive electrode layer positioned on the lower side, so that an electrochemical loop is formed between adjacent conductive areas, and the silver nanowire is oxidized into silver oxide, so that the conductive performance of the conductive areas is reduced, the resistance of the conductive areas is continuously increased until a controller cannot drive the touch sensor assembly, namely, the touch sensor assembly fails. In the embodiment, the material of the base material layer is a material with water vapor permeability not more than 10 < -3 > such as PET, PEN or PI.
Furthermore, the touch sensor assembly further comprises a protective layer arranged on one side, far away from the base material layer, of the nano silver wire conductive electrode layer. The moisture permeability of the protective layer is not more than 10-2, so that moisture is prevented from invading the nano silver wire conductive electrode layer through the protective layer, an electrolyte (liquid) is formed together with etched residual particles on the nano silver wire conductive electrode layer, an electrochemical loop is formed between adjacent conductive areas, and the nano silver wires are oxidized into silver oxide, so that the conductive performance of the conductive areas is reduced, the resistance of the conductive areas is continuously increased until a controller cannot drive the touch sensor assembly, namely, the touch sensor assembly fails.
The first laminating layer is used for laminating the transparent cover plate and the nano silver wire conductive electrode layer positioned on the upper side together, namely laminating the transparent cover plate and the touch sensor together to form the touch device.
The second embodiment of the present invention is the same as the first embodiment except that the structure of the touch sensor assembly is different, and thus, the description thereof is omitted.
The invention has the beneficial effects that: according to the touch sensor assembly, the strength of an electric field formed by the electric signal between the local conductive areas can be weakened or the electric field is not formed by the electric signal between the local conductive areas by changing the electric signal given by the controller, so that an electrochemical loop is prevented from being formed between the adjacent conductive areas, and the nano metal is subjected to redox reaction, so that the conductive performance of the conductive areas is reduced, the resistance of the conductive areas is continuously increased until the controller cannot drive the touch sensor assembly, namely, the touch sensor assembly fails; the service life of the touch sensor assembly can be greatly prolonged, the reliability of the touch sensor assembly in a very harsh use environment can be greatly improved, the touch sensor assembly is used for 1000hrs in an electrified state under the condition of high temperature and high humidity (85 ℃/85% RH), and the service life of the touch sensor assembly is more than 10 years under the condition of a conventional environment.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (9)
1. A touch device comprising a touch sensor assembly and a controller communicatively coupled to the touch sensor assembly, the touch sensor assembly comprising two nanometal conductive electrode layers, each nanometal conductive electrode layer having a plurality of conductive areas and a non-conductive area between adjacent conductive areas, the controller sending electrical signals to the conductive areas to drive the touch sensor assembly, the touch device comprising: the electrical signal sent by the controller is characterized by at least one of the following characteristics to prevent the conductive area from oxidation reaction: the duty ratio is not more than 1/10, the waveform frequency of the scanning signal is not less than 30KHz, the time for generating pressure difference between adjacent conductive regions on the same nano metal conductive electrode layer is not more than 10 microseconds, and the signals of each conductive region on the same nano metal conductive electrode layer are consistent; the consistency of the signals of each conducting region on the same nano metal conducting electrode layer means that the voltage starting time, the voltage duration time, the voltage ending time and the voltage value of each conducting region on the same nano metal conducting electrode layer are consistent.
2. The touch device of claim 1, wherein: the touch device further comprises a transparent cover plate positioned above the touch sensor assembly, and a first laminating layer for laminating the transparent cover plate and the touch sensor assembly together, wherein the water vapor permeability of the first laminating layer is not more than 1.5 x 10-2。
3. The touch device of claim 1, wherein: the distance between two adjacent conductive areas on the same nano metal conductive electrode layer is not less than 30 micrometers.
4. The touch device of claim 1, wherein: the non-conductive area is also provided with a virtual electrode block, and the virtual electrode block and the adjacent conductive area are arranged in an insulated manner; the area of the virtual electrode block is not more than 1mm2。
5. The touch device of any one of claims 1-4, wherein: the touch sensor assembly further comprises a substrate layer, the nano metal conductive electrode layers are arranged on two opposite sides of the substrate layer in a divided mode, and the water vapor permeability of the substrate layer is not more than 10-3。
6. The touch device of claim 5, wherein: the touch sensor assembly further comprises a protective layer arranged on the nano metal conductive electrode layer and far away from one side of the substrate layer, and the water vapor permeability of the protective layer is not more than 10-2。
7. The touch device of any one of claims 1-4, wherein: the touch sensor component comprises two nano metal conductive films and a second laminating layer for laminating the two nano metal conductive films together, each nano metal conductive film comprises a nano metal conductive electrode layer, and the water vapor permeability of the second laminating layer is not more than 1.5 x 10-2。
8. The touch device of claim 7, wherein: each nanometer metal conducting film still includes the substrate layer, nanometer metal conducting electrode layer form in the surface of substrate layer, second laminating layer is used for laminating the substrate layer that is located the nanometer metal conducting film of upside and the nanometer metal conducting electrode layer that is located the nanometer metal conducting film of downside mutually, the water vapor permeability of substrate layer is not more than 10-3。
9. The touch device of claim 8, wherein: each nanometer metal conductive film also comprises a protective layer arranged on the nanometer metal conductive electrode layer and far away from one side of the substrate layer, and the water vapor permeability of the protective layer is not more than 10-2。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011163697.6A CN112181206B (en) | 2017-03-20 | 2017-03-20 | Touch control device |
| CN201710164378.9A CN106951121B (en) | 2017-03-20 | 2017-03-20 | Touch control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164378.9A CN106951121B (en) | 2017-03-20 | 2017-03-20 | Touch control device |
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| CN202011163697.6A Division CN112181206B (en) | 2017-03-20 | 2017-03-20 | Touch control device |
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| CN106951121A CN106951121A (en) | 2017-07-14 |
| CN106951121B true CN106951121B (en) | 2020-11-20 |
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| CN202011163697.6A Active CN112181206B (en) | 2017-03-20 | 2017-03-20 | Touch control device |
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| CN202011163697.6A Active CN112181206B (en) | 2017-03-20 | 2017-03-20 | Touch control device |
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| CN108322729A (en) * | 2018-02-27 | 2018-07-24 | 广东欧珀移动通信有限公司 | Control method, control device and the electronic device of laser projection module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5647864B2 (en) * | 2010-11-05 | 2015-01-07 | 富士フイルム株式会社 | Touch panel |
| CN202189339U (en) * | 2011-05-28 | 2012-04-11 | 宸鸿科技(厦门)有限公司 | Touch-point detector |
| JP2015069508A (en) * | 2013-09-30 | 2015-04-13 | 凸版印刷株式会社 | Touch panel |
| TW201520862A (en) * | 2013-11-19 | 2015-06-01 | Wintek Corp | Touch panel |
| US9699898B2 (en) * | 2013-12-27 | 2017-07-04 | Lg Chem, Ltd. | Conductive film and method for manufacturing same |
| CN105738999B (en) * | 2014-12-26 | 2019-10-18 | 住友化学株式会社 | Optical laminate |
| CN104965619A (en) * | 2015-07-04 | 2015-10-07 | 厦门变格新材料科技有限公司 | Manufacturing method for metal grid type transparent conductive substrate |
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| CN112181206B (en) | 2023-09-22 |
| CN106951121A (en) | 2017-07-14 |
| CN112181206A (en) | 2021-01-05 |
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Effective date of registration: 20210118 Address after: 215300 unit B, 1st floor, No.5 factory building, Xinxing Industrial Square, 78 Xinglin street, Suzhou Industrial Park, Jiangsu Province Patentee after: NUOVO FILM Inc. Patentee after: SHENZHEN OUPODA TECHNOLOGY Co.,Ltd. Address before: 215300 unit B, 1st floor, No.5 factory building, Xinxing Industrial Square, 78 Xinglin street, Suzhou Industrial Park, Jiangsu Province Patentee before: NUOVO FILM Inc. |