CN103902070A - Touch control component and manufacturing method thereof - Google Patents
Touch control component and manufacturing method thereof Download PDFInfo
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- CN103902070A CN103902070A CN201210568321.2A CN201210568321A CN103902070A CN 103902070 A CN103902070 A CN 103902070A CN 201210568321 A CN201210568321 A CN 201210568321A CN 103902070 A CN103902070 A CN 103902070A
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Abstract
The invention provides a touch control component and a manufacturing method thereof. The manufacturing method of the touch control component comprises the steps of providing a substrate, wherein a planar electrode area and a planar circuit area are arranged on the surface of the substrate; covering the electrode area with a first electricity-conducting material to form a transparent electrode layer, wherein the first electricity-conducting material is a transparent electricity-conducting material containing a carbon nano-tube; covering the circuit area with a second electricity-conducting material to form a circuit layer, wherein the circuit layer is guided out from the transparent electrode layer; and molding the substrate to form a transparent electrode of a winding shape or a three-dimensional shape.
Description
Technical field
The present invention relates to a kind of inputting interface member and manufacture method thereof, and particularly relate to a kind of touch-control member and manufacture method thereof.
Background technology
Be accompanied by high performance and the diversified development of the various electronic equipments such as mobile phone and touch navigation system, the electronic equipment that the Trackpad of light transmission is installed above at display line information equipment progressively increases, as various computer (panel computer), mobile phone (PDA), industrial control unit (ICU) etc.Press the difference of Trackpad principle of work and transmission medium, Trackpad of the prior art can be at least resistance-type, condenser type, optical frequency, audio frequency induction type etc.Existing comparatively common contactor control device is for example resistance-type and capacitive touch device.About the working mechanism of capacitive touch device is in the time that the touch objects such as finger touch on Trackpad surface, because of people's bulk electric field, between the conductive layer in the touch objects such as finger and Trackpad, form a coupling capacitance.Trackpad controller, by this is electrically changed and carry out accurate Calculation, draws the position of touch point.
Current photovoltaic by advanced take curved design as main flow, therefore, due to weeding out the old and bring forth the new of electronic equipment, for touch technology, application is still limited to tabular surface structure, therefore for the electronic installation of nonplanar structure as mouse, rocking bar or further for the shell of novel flat display apparatus, if contactor control device can be set by the convenience more promoting in application.
Summary of the invention
The present invention proposes a kind of manufacture method of touch-control member, the first conductive material that the manufacture method of above-mentioned touch-control member mainly contains CNT in utilization forms transparent electrode layer with the electrode zone of the plane in substrate, and further moulding substrate, therefore can improve the elasticity of product design.
The embodiment of the present invention provides a kind of manufacture method of touch-control member, comprises following steps: first, provide substrate, the surface of substrate has the electrode zone of at least one plane and the circuit region of at least one plane; Next, cover the first conductive material at least a portion on described at least one electrode zone, to form transparent electrode layer, wherein said the first conductive material contains CNT; Then, cover the second conductive material at least a portion on described at least one circuit region, to form line layer, described line layer self-induced transparency electrode layer is drawn; Finally, moulding substrate is to form the transparency electrode of at least one flexible shape or three-dimensional shape.
In addition, the embodiment of the present invention also provides a kind of touch-control member, and described touch-control member comprises transparency electrode and the line layer of substrate, three-dimensional shape.Substrate has three-dimensional shape, and the surface of substrate has electrode zone and circuit region.Transparency electrode comprises transparent electrode layer, and transparent electrode layer is formed on electrode zone, and wherein the material of transparent electrode layer is the transparent conductive material that contains CNT.Line layer is formed on circuit region, and line layer is drawn from this transparent electrode layer.
In sum, touch-control member provided by the present invention and manufacture method thereof can realize a kind of high-performance and diversified touch-control member, and can simplify processing procedure, lifting process rate etc.
For enabling further to understand feature of the present invention and technology contents, refer to following about detailed description of the present invention and accompanying drawing, but these explanations with appended graphic be only for the present invention is described, but not claim scope of the present invention is done to any restriction.
Accompanying drawing explanation
Figure 1A illustrates the flow chart of steps according to the manufacture method of the touch-control member of one embodiment of the invention.
Figure 1B and Fig. 2 A illustrate manufacture method according to the touch-control member of Fig. 3 in manufacture process on look schematic diagram.
Fig. 1 C illustrates the diagrammatic cross-section along AA line according to the touch-control member of Figure 1B.
Fig. 2 B illustrates the diagrammatic cross-section along BB line according to the touch-control member of Fig. 2 A.
Fig. 3 illustrates the diagrammatic cross-section according to the touch-control member of one embodiment of the invention.
Fig. 4 illustrates according to looking schematic diagram on the touch-control member of another embodiment of the present invention.
[main element symbol description]
1a, 1b touch-control member
100 substrates
101 surfaces
102 upper surfaces
103 lower surfaces
110 electrode zones
120 circuit regions
200 transparent electrode layers
201 ~ 204 transparency electrodes
210 conductive regions
220 spaces
300,301 line layers
310 lead-in wire regions
400 sensing circuits
S101 ~ S107 step
Embodiment
The embodiment of the present invention proposes a kind of manufacture method of touch-control member, the manufacture method of above-mentioned touch-control member is mainly to utilize the first conductive material that contains CNT to form transparent electrode layer with the electrode zone of the plane in substrate, and further moulding substrate, therefore can form the transparency electrode with flexible shape or three-dimensional shape.
Please refer to Figure 1A, Figure 1B, Fig. 2 A and Fig. 3, Figure 1A illustrates the flow chart of steps according to the manufacture method of the touch-control member of one embodiment of the invention, Figure 1B and Fig. 2 A illustrate touch-control member 1a according to Fig. 3 in manufacture process on look schematic diagram, and Fig. 3 illustrates the diagrammatic cross-section according to the touch-control member 1a of one embodiment of the invention.The first specific embodiment of the present invention comprises the following steps:
Step S101: first, provide substrate 100, its surface 101 has the electrode zone 110 of at least one plane and the circuit region 120 of at least one plane.
Step S103: cover the first conductive material at least a portion on described at least one electrode zone 110, to form transparent electrode layer 200, wherein said the first conductive material is the transparent conductive material that contains CNT.
Step S105: cover the second conductive material at least a portion on described at least one circuit region 120, to form line layer 300, described line layer 300 self-induced transparency electrode layers 200 are drawn.
Step S107: moulding substrate 100 is to form the transparency electrode 201 of at least one flexible shape or three-dimensional shape.
By describing the manufacture method of touch-control member of the present embodiment in detail, please refer to Figure 1B and Fig. 1 C below, wherein, Fig. 1 C illustrates the diagrammatic cross-section along AA line according to the touch-control member 1a of Figure 1B.First substrate 100 is provided, and its surface 101 has the electrode zone 110 of at least one plane and the circuit region 120 of at least one plane.In the present embodiment, substrate 100 is tabular substrate, and has the upper surface 102 of a plane.Upper surface 102 has electrode zone 110 and circuit region 120, and circuit region 120 is positioned at electrode zone 110 around.The shape of substrate 100 also can be film-form, rectangular shape or irregularly shaped etc., and substrate 100 at least part of surperficial 101 is plane, and described at least part of surperficial 101 have electrode zone 110 and circuit region 120.
The material of substrate 100 is insulating material and has light transmission, in addition, the material of substrate 100 also has thermoplasticity, be for example polyethylene terephthalate (PET, polyethylene terephthalate) resin, polycarbonate (PC, polycarbonate) resin, polymethylmethacrylate (PMMA, polymethyl methacrylate) resin, polypropylene (PP, Polypropylene) resin, tygon (PE, polyethylene) resin, polyethersulfone (PES, polyethersulfone) resin, polyimide (PI, polyimide) resin and epoxy resin etc.In the present embodiment, lower surface 103 that can substrate 100 is touch surface, make near to or in contact with the contact object of lower surface 103 and be formed between the transparency electrode 201 of upper surface 102 to form electrostatic capacitance, and the thickness of substrate 100 is for example 50 ~ 700 microns of (Micrometer, m), preference is as being 188 microns for μ.
Please refer to Fig. 2 A and Fig. 2 B, wherein, Fig. 2 B illustrates the diagrammatic cross-section along BB line according to the touch-control member 1a of Fig. 2 A.Then, cover the first conductive material at least a portion on electrode zone 110, to form transparent electrode layer 200, wherein, the first conductive material is the transparent conductive material that contains CNT.The first conductive material is the transparent conductive coating for containing CNT, organic conductive coating and solvent for example.Specifically, organic conductive coating is for example poly-time ethylenedioxy thiophene-poly styrene sulfonate (Poly-3,4-Ethylenedioxythiophene/Poly(styrenesulfonate), PEDOT/PSS), and solvent is for example the combination of water (water), ethanol (Ethanol), isopropyl alcohol (Iso-propyl alcohol, IPA), methyl alcohol (Methyl alcohol) or above-mentioned material.In the present embodiment, solvent is for example the combination of water and isopropyl alcohol.Further, transparent conductive material can contain multiple mutual windings or isotropic CNT, and described multiple CNTs can utilize Fan Dewaerli to attract each other, be wound around, to form the network-like structure with microcellular structure.Moreover, described CNT can be Single Walled Carbon Nanotube, double-wall carbon nano-tube, multiple-wall carbon nanotube or it is mixed, and the diameter of Single Walled Carbon Nanotube is about 0.5 nanometer to 50 nanometer, the diameter of double-wall carbon nano-tube is about 1.0 nanometer to 50 nanometers, and the diameter of multiple-wall carbon nanotube is about 1.5 nanometer to 50 nanometers.
In the present embodiment, can be covered on the electrode zone 110 of substrate 100 with coating method the first conductive material as coating, to form transparent electrode layer 200.The thickness of transparent electrode layer 200 can be 10 to 500 nanometers, can make transparent electrode layer 200 have good resistance distribution and light transmission features, thereby resolution and the touch-control degree of accuracy of the device of touch-control member 1a and use touch-control member 1a are provided.It is worth mentioning that, in the present embodiment, the first conductive material is only covered in a part for electrode zone 110, to form the transparent electrode layer 200 of patterning.In addition, also can be covered on the surface 101 of substrate 100 with wire mark, spraying, micro-shadow, ink-jet or other processing procedures the first conductive material as coating, to form the transparent electrode layer 200 of patterning, those skilled in the art can select according to actual demand footpath row, therefore the present embodiment does not limit.
As shown in Figure 2 A, the transparent electrode layer 200 of patterning has multiple conductive regions 210, between multiple conductive regions 210 with 220 intervals, a space.Particularly, the shape of multiple conductive regions 210 is all the identical rectangle of size, and multiple conductive region 210 is arranged in parallel and with the interval between two, space 220 of multiple strips.In other embodiment, the transparent electrode layer 200 of patterning for example can have the first conductive region axially arranging and the second conductive region axially arranging, and described two conductive regions with a dielectric layer separately.The material of dielectric layer can be the dielectric material of high transparent, low reflectivity and low dazzle, for example polystyrene resin, plexiglass, Corvic, polyvinylidene chloride resin, polycarbonate resin, polysilicone, styrene-acrylonitrile copolymer (AS, Acrylonitrile-Styrene) resin or TPX resin (olefin polymer of the crystallinity take 4-methylpentene-1 as main material) etc.In addition, the method that forms dielectric layer can be by wire mark, spraying, micro-shadow, ink-jet or other processing procedures, and to form the dielectric layer of patterning, those skilled in the art can select according to actual demand footpath row, therefore the present embodiment does not limit.
Next, cover the second conductive material at least a portion on circuit region 120, to form line layer 300, wherein, line layer 300 self-induced transparency electrode layers 200 are drawn.The second conductive material is the material with electric conductivity and ductility, such as conducting resinl, elargol or mix and have the cold coating of conducting particles etc.In the present embodiment, the second conductive material is opaque conducting resinl, but the present embodiment do not limit, and in other embodiment, the second conductive material also can have the transparency.As shown in Fig. 2 A and Fig. 2 B, can pass through wire mark, spraying, micro-shadow, ink-jet or other wiring processing procedures, so that the second conductive material is covered on the circuit region 120 of substrate 100, and form line layer 300.Those skilled in the art can select above-mentioned wiring processing procedure according to actual demand footpath row, therefore the present embodiment does not limit.The thickness of line layer 300 can be 10 nanometer to 10000 nanometers, and in the present embodiment, the thickness of line layer 300 is for example 10 nanometer to 500 nanometers, can make line layer 300 have good resistance and distribute.The thickness of line layer 300 is that those skilled in the art can be according to the material of line layer 300 and actual demand and design, therefore embodiments of the invention do not limit.
It is worth mentioning that, in other embodiment, forming the step and the step that forms line layer 300 of transparent electrode layer 200, can comprise simultaneously the first conductive material and the second conductive material are covered in respectively to electrode zone 110 and circuit region 120, to form transparent electrode layer 200 and line layer 300 simultaneously.For example, can utilize printing roller to print a figure with shaded portions upper surface 102 in the upper surface 102 of substrate 100, utilize subsequently coating roller, be coated with the first conductive material in the electrode zone 110 of substrate 100, and be coated with the second conductive material in the circuit region 120 of substrate.
Finally, as shown in Figure 3, moulding substrate 100 is to form the transparency electrode 201 of flexible shape or three-dimensional shape.In the present embodiment, can, by hot forming processing procedure with moulding substrate 100, make substrate 100 there is bending shape, that is to say, the upper surface 102 of substrate 100 can be configured as the curved surface of spill, and the lower surface 103 of substrate 100 can be configured as the curved surface of convex.Meanwhile, moulding substrate 100 can make the transparent electrode layer 200 of the upper surface 102 that is covered in substrate 100 have bending shape, has curved transparency electrode 201 to form.Moreover moulding substrate 100 can make the line layer 300 of the upper surface 102 that is covered in substrate 100 have bending shape, there is curved line layer 301 to form.Described hot forming processing procedure for example send substrate 100 in the die cavity between a male model and a master mold that is handed to a hot press forming device, by male model and master mold clamping and hot-press base plate 100, with moulding substrate 100.Those skilled in the art can select according to actual demand footpath row the mode of moulding substrate, and the present embodiment does not limit.
For example, the mode of moulding substrate 100 also can be passed through vacuum-assisted cold-press moulding processing procedure, specifically, substrate 100 can be put in a male model end face of a vacuum-assisted cold-press moulding device inside, and male model end face has multiple pores.By this, can vacuumize cold-press moulding device inside via each pore, and make the inner vacuum state that forms of cold-press moulding device, make substrate 100 be subject to the pull of vacuum of pore attract and fit in male model end face, with moulding substrate 100.
In addition, in other embodiment, also the part of moulding substrate 100 only, for example, can be only for the part substrate 100 that is coated with transparent electrode layer 200 enter shape hot forming processing procedure, there is the transparency electrode 201 of flexible shape or three-dimensional shape to form, and the line layer 300 that is covered in the circuit region 120 of substrate 100 still has the shape of plane.Or the also upper surface 102 of moulding substrate 100 only, make upper surface 102 be configured as the curved surface of spill, and the lower surface 103 of substrate 100 still maintains plane, with form have flexible shape or three-dimensional shape transparency electrode 201.Moreover the three-dimensional shape of transparency electrode 201 also can be the combination of combination, curved surface and plane or the combination of plane etc. of curved surface, those skilled in the art can select according to actual demand footpath row, therefore the present embodiment does not limit.
According to different product, the step of moulding substrate 100 also can comprise according to the position of electrode zone 110 and mark off at least two transparency electrodes 201, and line layer 300,301 is independently drawn for each transparency electrode 201.Specifically, the moulding substrate 100 of position of center line that can aligning electrodes region 110, the upper surface 102 of substrate 100 is configured as and there is the roughly indent folding face of an angle of 90 degrees, and the transparent electrode layer 200 that can make to be covered in upper surface 102 is configured as and has the roughly infolding shape of an angle of 90 degrees.Moreover, can coordinate the moulding shape of substrate 100 and select the first conductive material, therefore, the transparent electrode layer 200 with wide-angle bending shape be broken in described position of center line, to be divided into two transparency electrodes 201, and line layer 300,301 is independently drawn for each transparency electrode 201.
In sum, the touch-control member 1a of the first embodiment of the present invention as shown in Figure 3 comprises transparency electrode 201 and the line layer 300,301 of substrate 100, flexible shape or three-dimensional shape.Substrate 100 has three-dimensional shape, and the surface 101 of substrate 100 has electrode zone 110 and circuit region 120.Transparency electrode 201 comprises transparent electrode layer 200, and transparent electrode layer 200 is formed on electrode zone 110, and wherein the material of transparent electrode layer 200 is the transparent conductive material that contains CNT.Line layer 300,301 is formed on circuit region 120, and line layer 300,301 self-induced transparency electrode layers 200 are drawn.
Please refer to Fig. 4, Fig. 4 illustrates according to looking schematic diagram on the touch-control member 1b of another embodiment of the present invention.All the two is roughly similar to the touch-control member 1a of previous embodiment and manufacture method thereof for the touch-control member 1b of the present embodiment and manufacture method thereof, and is only elaborated for the difference between the present embodiment and previous embodiment below.In the touch-control member 1b of the present embodiment, the upper cover that substrate 100 is mouse, and the surface 101 of substrate 100 has multiple electrode zones 110, and the touch-control member 1b of the present embodiment has multiple transparency electrodes 202,203,204.Touch-control member 1b also comprises sensing circuit 400, and transparency electrode 202,203,204 is electrically connected at respectively sensing circuit 400 by line layer 301.Transparency electrode 202 can be used as the left button induction electrode of mouse, and transparency electrode 203 can be used as the right button induction electrode of mouse, and transparency electrode 204 can be used as the roller bearing induction electrode of mouse.
According to the embodiment of the present invention, the first conductive material that the manufacture method utilization of above-mentioned touch-control member 1a, 1b contains CNT forms transparent electrode layer, because the first conductive material is still ductile after processing, make the transparent electrode layer 200 of the electrode zone 110 of the plane that is formed at substrate 100 can further pass through moulding substrate 100, to form the transparency electrode 201 with flexible shape or three-dimensional shape, by this, can realize a kind of high-performance and diversified touch-control member 1a, 1b.The manufacture method of above-mentioned touch-control member 1a, 1b is by forming transparent electrode layer 200 on the electrode zone 110 of the plane of substrate 100, and form line layer 300 on the circuit region 120 of the plane of substrate 100, moulding substrate 100 is to form the transparency electrode 201 of flexible shape or three-dimensional shape again, can simplify processing procedure and promote process rate, and can improve the elasticity of product design.
The foregoing is only embodiments of the invention, it is not in order to limit scope of patent protection of the present invention.Any those of ordinary skill in the art, not departing from spirit of the present invention and scope, the change of doing and the equivalence of retouching are replaced, and are still in scope of patent protection of the present invention.
Claims (18)
1. a manufacture method for touch-control member, is characterized in that, comprising:
Substrate is provided, and the surface of described substrate has at least one electrode zone of plane and at least one circuit region of plane;
The first conductive material is covered in at least a portion on described at least one electrode zone, and to form transparent electrode layer, wherein said the first conductive material is the transparent conductive material that contains CNT;
The second conductive material is covered in at least a portion on described at least one circuit region, and to form line layer, described line layer is drawn from described transparent electrode layer; And
Described substrate is carried out to moulding operation, with form at least one can the shape of flexing or the transparency electrode of three-dimensional shape.
2. the manufacture method of touch-control member according to claim 1, it is characterized in that, the step that forms described transparent electrode layer comprises with the step that forms described line layer: described the first conductive material and described the second conductive material are covered in respectively at least a portion at least a portion and the described at least one circuit region on described at least one electrode zone simultaneously.
3. the manufacture method of touch-control member according to claim 1, it is characterized in that, the step that forms described transparent electrode layer comprises: by wire mark, spraying, micro-shadow or ink-jetting style, described the first conductive material is covered in at least a portion on described at least one electrode zone.
4. the manufacture method of touch-control member according to claim 1, is characterized in that, described transparent electrode layer has at least two conductive regions, between described at least two conductive regions with space or with dielectric layer interval.
5. the manufacture method of touch-control member according to claim 4, is characterized in that, the material of described dielectric layer is ductile material.
6. the manufacture method of touch-control member according to claim 1, is characterized in that, the step of described substrate being carried out to moulding operation comprises: described substrate is carried out to hot forming processing.
7. the manufacture method of touch-control member according to claim 1, it is characterized in that, the step of described substrate being carried out to moulding operation comprises: the position according to described at least one electrode zone marks off at least two described transparency electrodes, and described line layer is drawn independently for transparency electrode described in each.
8. the manufacture method of touch-control member according to claim 1, is characterized in that, described three-dimensional shape is the combination of combination, curved surface and plane or the combination of plane and plane of curved surface, curved surface and curved surface.
9. the manufacture method of touch-control member according to claim 1, is characterized in that, described substrate is transparency carrier.
10. a touch-control member, is characterized in that, comprising:
Substrate, have can flexing shape or three-dimensional shape, the surface of described substrate has at least one electrode zone and at least one circuit region;
Can the shape of flexing or at least one transparency electrode of three-dimensional shape, described transparency electrode comprises transparent electrode layer, described transparent electrode layer is formed on described at least one electrode zone, and the material of wherein said transparent electrode layer is the transparent conductive material that contains CNT; And
Line layer, is formed on described at least one circuit region, and described line layer is drawn from described transparent electrode layer.
11. touch-control members according to claim 10, is characterized in that, described transparent electrode layer has at least two conductive regions, between described at least two conductive regions with space or with dielectric layer interval.
12. touch-control members according to claim 11, is characterized in that, the material of described dielectric layer is ductile material.
13. touch-control members according to claim 10, is characterized in that, the material of described substrate is thermoplastic.
14. touch-control members according to claim 10, is characterized in that, described substrate is transparency carrier.
15. touch-control members according to claim 10, is characterized in that, the shell of the upper cover that described substrate is display, the upper cover of mouse or rocking bar.
16. touch-control members according to claim 10, is characterized in that, described three-dimensional shape is the combination of combination, curved surface and plane or the combination of plane and plane of curved surface, curved surface and curved surface.
17. touch-control members according to claim 10, is characterized in that, mark off at least two described transparency electrodes, and described line layer are drawn independently according to the position of described at least one electrode zone for transparency electrode described in each.
18. touch-control members according to claim 10, is characterized in that, described touch-control member also comprises sensing circuit, and described transparency electrode is electrically connected by described line layer and described sensing circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210568321.2A CN103902070A (en) | 2012-12-24 | 2012-12-24 | Touch control component and manufacturing method thereof |
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| CN201210568321.2A CN103902070A (en) | 2012-12-24 | 2012-12-24 | Touch control component and manufacturing method thereof |
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| CN103902070A true CN103902070A (en) | 2014-07-02 |
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| CN201210568321.2A Pending CN103902070A (en) | 2012-12-24 | 2012-12-24 | Touch control component and manufacturing method thereof |
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Cited By (1)
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| CN110286782A (en) * | 2019-07-10 | 2019-09-27 | 盈天实业(深圳)有限公司 | Touch panel and preparation method thereof |
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