CN109254690B - Touch film, manufacturing method thereof and touch module - Google Patents
Touch film, manufacturing method thereof and touch module Download PDFInfo
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- CN109254690B CN109254690B CN201811152606.1A CN201811152606A CN109254690B CN 109254690 B CN109254690 B CN 109254690B CN 201811152606 A CN201811152606 A CN 201811152606A CN 109254690 B CN109254690 B CN 109254690B
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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
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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
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Abstract
The invention relates to a touch film, a manufacturing method thereof and a touch module. In this touch-control membrane, locate the laminating layer and the non-direct contact of overlap joint structure on first functional layer and the second functional layer, perhaps the laminating layer be corresponding to the part of overlap joint structure with be corresponding to the partial separation outside the overlap joint structure, the laminating layer be corresponding to the part outside the overlap joint structure flexible like this, just can not form the dragging to the overlap joint structure during deformation, reach the effect that the release laminating is retracted stress or the influence of deformation stress, be favorable to improving the regional contact stability and the reliability of overlap joint structure. The touch control film can be used in a film layer laminating product with an overlap joint structure, can eliminate the influence of a laminating layer on the connection stability of the overlap joint structure, is favorable for ensuring the performance of the product, and improves the yield of the product.
Description
Technical Field
The invention relates to the technical field of touch control, in particular to a touch control film, a manufacturing method thereof and a touch control module.
Background
At present, in a silver paste process, particularly in a process of matching a thin film conductive layer with silver paste, a design of contact conduction between a conductive layer and a material with high conductivity such as silver paste needs to be used. The contact conduction of the silver paste and other leads with the conductive layer is realized by overlapping the leads at the edge of the conductive layer, as shown in fig. 1. The reliability of the contact between the lead and the conductive layer in the lap joint area directly affects the touch performance of the product. However, as shown in fig. 2, for the design of the scheme of attaching the OCA (optical Clear Adhesive), because the OCA has strong adhesion and large elasticity and is influenced by the thermal isothermal condition during the attaching process, the lead in the overlapping area is released by stress during attaching to generate a pulling action, which easily causes the contact between the lead in the overlapping area and the conductive layer to be damaged, and thus causes higher overlapping resistance to affect the touch performance.
Disclosure of Invention
Therefore, it is necessary to provide a touch film, a method for manufacturing the same, and a touch module, which can improve the connection stability and reliability of the lap joint region.
A touch control film comprises a substrate, a first functional layer, a second functional layer and an attaching layer; the first functional layer and the second functional layer are arranged on one side surface of the base material, the first functional layer is partially overlapped with the second functional layer, and the overlapped part forms an overlapping structure; the bonding layer is bonded on the first functional layer and the second functional layer.
In one embodiment, the attaching layer is not in direct contact with the overlapping structure; or
The part of the laminating layer corresponding to the lap joint structure is separated from the part of the laminating layer corresponding to the outside of the lap joint structure.
In one embodiment, a spacing layer is arranged between the laminating layer and the lapping structure; or
The part of the laminating layer corresponding to the lap joint structure is hollowed; or
The part of the attaching layer corresponding to the overlapping structure is separated from the part corresponding to the outside of the overlapping structure by a gap.
In one embodiment, the adhesion layer is adhered to the first functional layer and the second functional layer.
In one embodiment, the first functional layer is a patterned conductive film sensing layer, the second functional layer is a patterned electrode lead layer corresponding to the first functional layer, and the second functional layer is located on the first functional layer in the overlapping structure.
In one embodiment, the second functional layer is a conductive adhesive layer.
A manufacturing method of a touch control film comprises the following steps:
providing or manufacturing a substrate with a first functional layer and a second functional layer on the surface, wherein the first functional layer is partially overlapped with the second functional layer, and the overlapped part forms an overlapping structure;
providing a compliant layer over the first functional layer and the second functional layer
In one embodiment, in disposing the conforming layer:
bringing the conforming layer into indirect contact with the lap joint structure; or
And separating the part of the laminating layer corresponding to the lap joint structure from the part of the laminating layer corresponding to the outside of the lap joint structure.
In one embodiment, before disposing a conformal layer over the first functional layer and the second functional layer, the method further includes:
covering a spacing layer on a preset area, corresponding to the lap joint structure, of the laminating layer without the release protection layer, or removing the release protection layer on the laminating layer with the release protection layer, corresponding to the part outside the lap joint structure, reserving the release protection layer corresponding to the lap joint structure as the spacing layer, and laminating one surface, provided with the spacing layer, of the laminating layer on the first functional layer and the second functional layer; or
Removing a preset area, corresponding to the lap joint structure, on a membrane material of the attaching layer to form a hollow structure, and attaching the formed attaching layer with the hollow structure to the first functional layer and the second functional layer; or
And separating a part of a film material of the laminating layer, which corresponds to the lap joint structure, from a part of the film material, which corresponds to the part outside the lap joint structure, and then laminating the film material on the first functional layer and the second functional layer.
A touch module comprises the touch film of any one of the above embodiments, wherein the first functional layer is a conductive film sensing layer, and the second functional layer is an electrode lead layer.
In above-mentioned touch-control membrane, locate the laminating layer and the non-direct contact of overlap joint structure on first functional layer and the second functional layer, perhaps the laminating layer be corresponding to the part of overlap joint structure with correspond to the partial separation outside the overlap joint structure, the laminating layer be corresponding to the part of overlap joint structure outside flexible like this, just can not form the dragging to the overlap joint structure during deformation, reach the effect that the release laminating is retracted stress or the influence of deformation stress, be favorable to improving the regional contact stability and the reliability of overlap joint structure.
The touch control film can be used in a film layer laminating product with an overlap joint structure, can eliminate the influence of a laminating layer on the connection stability of the overlap joint structure, is favorable for ensuring the performance of the product, and improves the yield of the product. The touch control film can be particularly used in the field of but not limited to touch screens, particularly in touch control modules with electrode leads formed by conductive adhesives such as silver adhesive and the like, particularly in touch control modules with conductive film sensing layers of nano silver film materials, the resistance stability of a lap joint area can be improved, and the floating change caused by external force is avoided. In addition, because the original design such as the size, the shape and the like of the lap joint structure is not required to be changed, good technical support can be provided for the touch screen product with the narrow frame, especially the touch screen product with the large size (such as not less than 15.6 inches) and the narrow frame.
According to the manufacturing method of the touch control film, only the structural design of the attaching layer needs to be adjusted, the manufacturing and forming processes of the first functional layer, the second functional layer and the base material do not need to be changed, and redundant materials such as ink do not need to be added, so that the material cost can be basically maintained at the original level. The whole manufacturing method is simple and easy to implement and can be widely popularized and used.
Drawings
FIG. 1 is a schematic view of a lap joint structure of silver paste and a conductive film layer;
FIG. 2 is a cross-sectional view of the lap joint structure shown in FIG. 1 after the lap joint structure is adhered with OCA optical cement;
FIG. 3 is a schematic structural diagram of a touch film according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a touch film according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a touch film according to another embodiment of the invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention provides a touch control film which comprises a base material, a first functional layer, a second functional layer and an attaching layer. The first functional layer and the second functional layer are arranged on one side surface of the base material, the first functional layer is partially overlapped with the second functional layer, and the overlapped part forms an overlapping structure. The bonding layer is bonded on the first functional layer and the second functional layer. The part of the laminating layer corresponding to the outside of the lap joint structure can not pull the lap joint structure when stretching and deforming.
When or after the touch film is attached, the portion of the attachment layer corresponding to the portion outside the overlapping structure does not directly or indirectly (e.g., through the portion of the attachment layer corresponding to the overlapping structure shown in fig. 2) pull the overlapping structure, so that the attachment extension retraction force or the extension stress of the portion of the attachment layer corresponding to the portion outside the overlapping structure does not affect the overlapping structure.
In a specific example, the portion of the adhesive layer corresponding to the outside of the overlapping structure does not pull the overlapping structure when stretching or deforming, and may be achieved by bringing the adhesive layer into indirect contact with the overlapping structure, such as contact from a release type, or separating the portion of the adhesive layer corresponding to the overlapping structure from the portion corresponding to the outside of the overlapping structure.
More specifically, a spacing layer is arranged between the attaching layer and the overlapping structure, or a part of the attaching layer corresponding to the overlapping structure is hollow, or a part of the attaching layer corresponding to the overlapping structure is separated from a part of the attaching layer corresponding to the outside of the overlapping structure by a gap. The spacer layer is preferably a release layer, such as a release film, which has no adhesive force with the attaching layer and the overlapping structure on both sides.
The touch film of the present invention is described in further detail below with reference to fig. 3, 4, and 5.
As shown in fig. 3, the touch film 300 includes a substrate 310, a first functional layer 320, a second functional layer 330, and an adhesive layer 340.
The substrate 310 may be, but is not limited to, a film substrate such as PET.
The first functional layer 320 is a conductive film sensing layer, such as but not limited to an ITO layer, a nano silver layer, etc. The second functional layer 330 is an electrode lead layer, such as but not limited to a conductive adhesive layer made of various highly conductive materials, such as silver adhesive layer. The first functional layer 320 and the second functional layer 330 are disposed on the substrate 310, and the first functional layer 320 and the second functional layer 330 are partially overlapped, and the overlapped portion forms an overlapping structure 350. In the overlapping structure 350, the second functional layer 330 is positioned on the first functional layer 320.
The lamination layer 340 is integrally disposed on the first functional layer 320 and the second functional layer 330. The adhesive layer 340 of the embodiment is a double-sided adhesive layer, such as but not limited to an OCA optical adhesive layer. The adhesive layer 340 is directly adhered to the first functional layer 320 and the second functional layer 330 except for the overlapping structure.
In the present embodiment, a spacer 360 is disposed between the lamination layer 340 and the bonding structure 350. The spacing layer 360 may be a release film residue on the original double-sided adhesive layer, or a release layer covering the area according to the requirement. The spacing layer 360 separates the attaching layer 340 from the overlapping structure 350, so that the attaching layer 340 is not directly or indirectly bonded to the overlapping structure 350, and thus the attaching layer 340 at other parts does not have direct or indirect bonding force to the overlapping structure 350, and the portions of the attaching layer 340 corresponding to the portions outside the overlapping structure 350 are not pulled to the overlapping structure 350 during stretching and deformation.
In the area of the overlapping structure 350, the adhesion layer 340 is not directly bonded to the second functional layer 330, so that the effect of releasing the influence of the adhesion extension force can be achieved, the overlapping structure 350 is protected from the influence of the adhesion layer 340, and the stability and reliability of overlapping are improved.
As shown in fig. 4, the touch film 400 includes a substrate 410, a first functional layer 420, a second functional layer 430, and an adhesive layer 440.
The substrate 410 may be, but is not limited to, a film substrate such as PET.
The first functional layer 420 is a conductive film sensing layer, such as but not limited to an ITO layer, a nano silver layer, etc. The second functional layer 430 is an electrode lead layer, such as but not limited to a conductive adhesive layer made of various highly conductive materials, such as silver adhesive layer. The first functional layer 420 and the second functional layer 430 are disposed on the substrate 410, and the first functional layer 420 and the second functional layer 430 are partially overlapped, and the overlapped portion forms a lap joint structure 450. In the landing structure 450, the second functional layer 430 is positioned on the first functional layer 420.
The lamination layer 440 is integrally disposed on the first functional layer 420 and the second functional layer 430. The adhesive layer 440 of the embodiment is a double-sided adhesive layer, such as but not limited to an OCA optical adhesive layer. The adhesive layer 440 is directly adhered to the first functional layer 420 and the second functional layer 430 except for the overlapping structure.
In this embodiment, a portion of the adhesive layer 440 corresponding to the overlapping structure 450 is hollow, that is, there is no corresponding adhesive layer 440 on the overlapping structure 450, and the adhesive layer 440 is only adhered to the first functional layer 420 and the second functional layer 430 at a portion other than the overlapping structure 450. In this way, the adhesive layer 440 corresponding to the portion other than the overlapping structure 450 does not pull the overlapping structure 450, and it is ensured that the portion of the adhesive layer 440 corresponding to the portion other than the overlapping structure 450 does not pull the overlapping structure 450 when stretching and deforming.
In the region corresponding to the overlapping structure 450, the attaching layer 440 is cut off to form a hollow structure, so that the effect of releasing the influence of attaching extension force can be achieved, the overlapping structure 450 is protected from the influence of the attaching layer 440, and the stability and the reliability of overlapping are improved.
As shown in fig. 5, the touch film 500 includes a substrate 510, a first functional layer 520, a second functional layer 530, and an adhesive layer 540.
The substrate 510 may be, but is not limited to, a film substrate such as PET.
The first functional layer 520 is a conductive film sensing layer, such as but not limited to an ITO layer, a nano silver layer, etc. The second functional layer 530 is an electrode lead layer, such as but not limited to a conductive adhesive layer made of various highly conductive materials, such as silver adhesive layer. The first functional layer 520 and the second functional layer 530 are disposed on the substrate 510, and the first functional layer 520 and the second functional layer 530 are partially overlapped, and the overlapped portion forms the overlapping structure 550. In the landing structure 550, the second functional layer 530 is positioned on the first functional layer 520.
The lamination layer 540 is integrally disposed on the first functional layer 520 and the second functional layer 530. The adhesive layer 540 of the embodiment is a double-sided adhesive layer, such as but not limited to an OCA optical adhesive layer. The adhesive layer 540 is directly adhered to the first functional layer 520 and the second functional layer 530 except for the overlapping structure.
In this embodiment, the portion of the conforming layer 540 corresponding to the bridging structure 550 is separated from the portion corresponding to the outside of the bridging structure 550, such as but not limited to, by a gap, or via other materials. The voids may be formed by a cutter or laser cut. Through the part that will laminate 540 correspond to overlap joint structure 550 with correspond to the part outside overlap joint structure 550 separately, even laminate 540 corresponds to overlap joint structure 550 the part and bonds with overlap joint structure 550, laminate 540 corresponding to the part except overlap joint structure 550 can not form to overlap joint structure 550 yet and pull, guarantee that laminate 540 corresponds to overlap joint structure 550 the part outside the structure 550 can not form to overlap joint structure 550 and pull in flexible, deformation, can reach the effect that the extension power influence of release laminating, protection overlap joint structure 550 does not receive the influence of laminate 540, improve lapped stability and reliability.
It is understood that, in other specific examples, the touch film is not limited to the touch film shown in fig. 3, 4 and 5, as long as the portion of the adhesive layer corresponding to the outside of the overlapping structure does not pull the overlapping structure when the portion stretches and deforms. Accordingly, the first functional layer is not limited to the conductive film sensing layer, the second functional layer is not limited to the electrode lead layer of the conductive adhesive layer or the electrode lead layer, the laminating layer is not limited to the double-sided adhesive layer, and the laminating layer can be bonded with the first functional layer and the second functional layer or bonded through electrostatic force and the like.
The invention also provides a manufacturing method of the touch control film, which comprises the following steps:
the method comprises the following steps: providing or manufacturing a substrate with a first functional layer and a second functional layer on the surface, wherein the first functional layer is partially overlapped with the second functional layer, and the overlapped part forms an overlapping structure;
step two: and arranging a laminating layer on the first functional layer and the second functional layer.
In the second step, in the process of arranging the laminating layer:
the laminating layer is not directly contacted with the lapping structure; or
And separating the part of the attaching layer corresponding to the lap joint structure from the part of the attaching layer corresponding to the outside of the lap joint structure.
Specifically, in the second step, before the attaching layer is disposed on the first functional layer and the second functional layer, the method further includes the steps of:
covering a spacer layer on a preset area corresponding to the lap joint structure on the laminating layer without the release protective layer, or removing the release protective layer on the laminating layer with the release protective layer, wherein the part of the release protective layer corresponding to the outside of the lap joint structure is used for the part of the laminating layer corresponding to the lap joint structure, reserving the release protective layer corresponding to the lap joint structure as the spacer layer, and laminating one surface of the laminating layer with the spacer layer on the first functional layer and the second functional layer; or
Removing a preset area corresponding to the lap joint structure on the membrane material of the attaching layer to form a hollow structure, and attaching the formed attaching layer with the hollow structure on the first functional layer and the second functional layer; or
And separating the part of the film material of the laminating layer, which corresponds to the lap joint structure, from the part of the film material, which corresponds to the part except the lap joint structure, and then laminating the film material on the first functional layer and the second functional layer.
The removal of the corresponding structural regions may be performed using, but not limited to, a laser or the like.
In above-mentioned touch-control membrane, locate the laminating layer and the non-direct contact of overlap joint structure on first functional layer and the second functional layer, perhaps the laminating layer be corresponding to the part of overlap joint structure with correspond to the partial separation outside the overlap joint structure, the laminating layer be corresponding to the part of overlap joint structure outside flexible like this, just can not form the dragging to the overlap joint structure during deformation, reach the effect that the release laminating is retracted stress or the influence of deformation stress, be favorable to improving the regional contact stability and the reliability of overlap joint structure.
The touch control film can be used in a film layer laminating product with an overlap joint structure, can eliminate the influence of a laminating layer on the connection stability of the overlap joint structure, is favorable for ensuring the performance of the product, and improves the yield of the product. The touch film can be particularly used in the field of but not limited to touch screens, particularly in touch modules where electrode leads are formed by conductive adhesives such as silver paste, particularly in touch modules where conductive film sensing layers of nano-silver films are matched, such as a touch module comprising the touch film, wherein the first functional layer is the conductive film sensing layer and the second functional layer is the electrode lead layer. The touch module with the structure can improve the resistance stability of the lap joint area and avoid the floatability change caused by the action of external force. In addition, because the original design such as the size, the shape and the like of the lap joint structure is not required to be changed, good technical support can be provided for the touch screen product with the narrow frame, especially the touch screen product with the large size (such as not less than 15.6 inches) and the narrow frame.
According to the manufacturing method of the touch control film, only the structural design of the attaching layer needs to be adjusted, the manufacturing and forming processes of the first functional layer, the second functional layer and the base material do not need to be changed, and redundant materials such as ink do not need to be added, so that the material cost can be basically maintained at the original level. The whole manufacturing method is simple and easy to implement and can be widely popularized and used.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (16)
1. A touch film is characterized by comprising a substrate, a first functional layer, a second functional layer and an attaching layer; the substrate is a film substrate; the first functional layer and the second functional layer are arranged on one side surface of the base material, the first functional layer is partially overlapped with the second functional layer, and the overlapped part forms an overlapping structure; the bonding layer is bonded on the first functional layer and the second functional layer;
the laminating layer is not in direct contact with the lapping structure.
2. The touch film of claim 1, wherein a spacer layer is disposed between the adhesion layer and the overlapping structure.
3. The touch film of any one of claims 1-2, wherein the adhesion layer is bonded to the first functional layer and the second functional layer.
4. The touch film of any one of claims 1-2, wherein the first functional layer is a patterned conductive film sensing layer, the second functional layer is a patterned electrode lead layer corresponding to the first functional layer, and the second functional layer is located on the first functional layer in the overlapping structure.
5. The touch film of claim 4, wherein the second functional layer is a conductive adhesive layer.
6. A touch film is characterized by comprising a substrate, a first functional layer, a second functional layer and an attaching layer; the substrate is a film substrate; the first functional layer and the second functional layer are arranged on one side surface of the base material, the first functional layer is partially overlapped with the second functional layer, and the overlapped part forms an overlapping structure; the bonding layer is bonded on the first functional layer and the second functional layer;
the part of the laminating layer corresponding to the lap joint structure is separated from the part of the laminating layer corresponding to the outside of the lap joint structure.
7. The touch film of claim 6, wherein a portion of the adhesion layer corresponding to the overlapping structure is hollowed out.
8. The touch film of claim 6, wherein a portion of the attachment layer corresponding to the overlapping structure is separated from a portion corresponding to the outside of the overlapping structure by a gap.
9. The touch film of any one of claims 6 to 8, wherein the adhesion layer is bonded to the first functional layer and the second functional layer.
10. The touch film of any one of claims 6 to 8, wherein the first functional layer is a patterned conductive film sensing layer, the second functional layer is a patterned electrode lead layer corresponding to the first functional layer, and the second functional layer is located on the first functional layer in the overlapping structure.
11. The touch film of claim 10, wherein the second functional layer is a conductive adhesive layer.
12. A manufacturing method of a touch film is characterized by comprising the following steps:
providing or manufacturing a base material with a first functional layer and a second functional layer on the surface, wherein the first functional layer is partially overlapped with the second functional layer, the overlapped part forms a lap joint structure, and the base material is a film base material;
disposing a conforming layer over the first functional layer and the second functional layer;
in the process of arranging the laminating layer:
and enabling the laminating layer to be not in direct contact with the lapping structure.
13. The method for manufacturing a touch film according to claim 12, wherein before disposing the adhesion layer on the first functional layer and the second functional layer, the method further comprises:
covering a spacing layer on a preset area which is not provided with a release protective layer and corresponds to the lap joint structure, or removing the release protective layer on the bonding layer with the release protective layer and corresponds to the part outside the lap joint structure, reserving the release protective layer corresponding to the lap joint structure as the spacing layer, and bonding one surface of the bonding layer with the spacing layer on the first functional layer and the second functional layer.
14. A manufacturing method of a touch film is characterized by comprising the following steps:
providing or manufacturing a base material with a first functional layer and a second functional layer on the surface, wherein the first functional layer is partially overlapped with the second functional layer, the overlapped part forms a lap joint structure, and the base material is a film base material;
disposing a conforming layer over the first functional layer and the second functional layer;
in the process of arranging the laminating layer:
and separating the part of the laminating layer corresponding to the lap joint structure from the part of the laminating layer corresponding to the outside of the lap joint structure.
15. The method for manufacturing a touch film according to claim 14, wherein before disposing the adhesion layer on the first functional layer and the second functional layer, the method further comprises:
removing a preset area, corresponding to the lap joint structure, on a membrane material of the attaching layer to form a hollow structure, and attaching the formed attaching layer with the hollow structure to the first functional layer and the second functional layer; or
And separating a part of a film material of the laminating layer, which corresponds to the lap joint structure, from a part of the film material, which corresponds to the part outside the lap joint structure, and then laminating the film material on the first functional layer and the second functional layer.
16. A touch module comprising the touch film according to any one of claims 1 to 11, wherein the first functional layer is a conductive film sensing layer, and the second functional layer is an electrode lead layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811152606.1A CN109254690B (en) | 2018-09-29 | 2018-09-29 | Touch film, manufacturing method thereof and touch module |
| PCT/CN2019/107070 WO2020063486A1 (en) | 2018-09-29 | 2019-09-20 | Touch control film and manufacturing method therefor, and touch control module |
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| CN201811152606.1A CN109254690B (en) | 2018-09-29 | 2018-09-29 | Touch film, manufacturing method thereof and touch module |
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| CN109254690B (en) * | 2018-09-29 | 2020-11-03 | 广州视睿电子科技有限公司 | Touch film, manufacturing method thereof and touch module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267853A (en) * | 2014-10-13 | 2015-01-07 | 深圳欧菲光科技股份有限公司 | Touch screen |
| CN108538904A (en) * | 2018-05-31 | 2018-09-14 | 信利半导体有限公司 | A kind of OLED display modules and preparation method thereof |
| CN109101134A (en) * | 2018-08-17 | 2018-12-28 | 芜湖伦丰电子科技有限公司 | A method of improving touch screen function piece contact resistance |
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| WO2020063486A1 (en) | 2020-04-02 |
| CN109254690A (en) | 2019-01-22 |
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