CN103809828B - Narrow frame one chip capacitance induction touch panel of double color layers and preparation method thereof - Google Patents
Narrow frame one chip capacitance induction touch panel of double color layers and preparation method thereof Download PDFInfo
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- CN103809828B CN103809828B CN201410063998.XA CN201410063998A CN103809828B CN 103809828 B CN103809828 B CN 103809828B CN 201410063998 A CN201410063998 A CN 201410063998A CN 103809828 B CN103809828 B CN 103809828B
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Abstract
The invention discloses a kind of pair of narrow frame one chip capacitance induction touch panel of color layers and preparation method thereof, capacitance induction touch panel includes color layers, the second color layers and conductor with the second through hole with first through hole；It is filled in corresponding first through hole, its bottom is in contact with corresponding touch control unit cabling, and its part outside first through hole is completely covered the top edge of first through hole conductor part；The lower edge of the second through hole all connects with corresponding conductor；Electrode cabling is electrically connected in the second color layers and by corresponding second through hole with conductor at least in part.The present invention is by the first through hole in color layers come spacing to conductor, by conductor to " light leak " problem being completely covered to avoid through hole from causing of first through hole, and, it is staggered by the way that conductor and electrode cabling be designed as, more electrode cablings can be laid out in the frame of one fixed width, so as to realize the narrow frame requirement of capacitance induction touch panel.
Description
Technical field
The present invention relates to capacitance induction touch panel field, more particularly to a kind of pair of narrow frame one chip electric capacity sense of color layers
Answer touch-screen and preparation method thereof.
Background technology
The construction of one chip capacitance induction touch panel mainly plates the thin-film conductor layers of layer of transparent, example in glass screen
Such as ITO（Tin indium oxide）Layer, forms the array of touch control unit in conductor layer, made by one or more side of touch-screen
Make the multiple electrodes being connected with touch pattern to be connected the control circuit of outside to apply and extract the array of touch control unit
Electric signal.In Touch screen, a coupled capacitor can be formed due to human body electric field, between finger and touch control unit, by calculating
The ratio and power of the electric current of each electrode are left, the position of touch point can be accurately obtained.
Fig. 1 and 2 schematically shows a construction for one chip capacitance induction touch panel, in the centre on the surface of substrate 1
Region is the operable area of touch-screen（AA）, by ito thin film formed as touch control unit 2 multiple touch control units array point
It is distributed in operable area, the touch control unit 2 for showing here is made up of drive part and sensing part；Viewing area（VA）Periphery
Rim area（BM）Color layers 3 with insulation；There is multiple electrodes and electrode cabling, including and touch control unit in color layers 3
The connected electrode of the drive part electrode and electrode cabling that are connected with electrode cabling and with the sensing part of touch control unit, such as
Electrode 50 and electrode cabling 40 and electrode 51 and electrode cabling 41, the former provides telecommunications to the drive part of a row touch control unit
Number（Drive signal）, the latter is by the electric signal of the sensing part of each touch control unit（Induced signal）Draw；Or conversely, the former
By the electric signal of the sensing part of a row touch control unit（Induced signal）Draw, the latter carries to the drive part of each touch control unit
Power supply signal（Drive signal）；Each electrode is used to connect the control circuit and touch control unit cabling of capacitance induction touch panel, uses
Weld in connection electrode and the connected mode of control circuit, routing, hot pressing etc., wherein hot pressing refers to be made by heating pressing
The electrode of capacitance induction touch panel is fitted conducting with the electrode of control circuit；Each touch control unit cabling is on substrate 1 from each
The drive part of touch control unit and sensing part extend, and its end electrically connects with each electrode cabling respectively.Such as touch control unit
Cabling 20 extends from the drive part of touch control unit 2, and its end electrically connects with electrode cabling 40；Touch control unit cabling 21 is from touch-control
The sensing part of unit 2 extends, and its end electrically connects with electrode cabling 41.Each touch control unit cabling and each touch-control shown in figure
Unit is integrally formed, for example, being once lithographically formed by the transparent conductive film of such as ito thin film.
With increasingly competitive, the narrow frame design in touch screen market（That is the side of rim area is narrow, especially distribution electrode
The side of cabling is narrow）Become development trend, because narrow frame design can make the increase of screen size, while can be disappeared
Expense person brings more preferable visual sense of beauty.But not only cost is very high for narrow frame design customization, and in very narrow space, cabling,
Layout, yields of product etc. are all a test for engineering design.The frame of such as some integrated touch screens
No more than 2mm, will make tens of strip electrode cablings for connecting external electrode, this processing procedure to capacitance plate in so small space
Technology is a very big challenge.
The Chinese patent of Application No. 201310042903.1 provides a kind of integrated capacitor screen structure and preparation method,
, by making through hole in color layers, filling and the same or like conductive material of color layers color, make electrode in through hole for it
Cabling and touch control unit cabling realize electrical connection by the conductive material in through hole.But, it is contemplated that turn-on effect, the hole of through hole
Footpath can not be too small, and general diameter design is 0.2mm.And the basic demand of the conductive material inserted in through hole be conductive material will
Through hole is completely covered by avoid " light leak ".Simultaneously as there is fabrication error in manufacturing process, such as alignment precision, half tone
Deformation etc., thus the size of conductive material is bigger than through hole.If fabrication error is 0.1mm, then the diameter of conductive material is needed
It is designed as 0.4mm.In view of conductive material can not be short-circuit with adjacent conductive silver wire, therefore the color frame of rim area will have empty enough
Between could meet design peripheral wiring the need for.
The Chinese patent of Application No. 201310753766.2 provides a kind of capacitance induction touch panel structure and preparation side
Method, it is arranged on electric conductor by the making electric conductor on an end of touch control unit cabling and by the through hole of color layers,
Prevent the problem of through hole " light leak " using electric conductor, but it is made during electric conductor it may happen that tiny conductive body drops
On touch control unit cabling, so as to cause the short circuit between adjacent touch unit；In addition, solid color layer structure it may happen that by
The color layers " light leak " caused by grenadine plug-hole problem in manufacturing process.
Therefore, those skilled in the art is devoted to the narrow frame one chip capacitive sensing touch of a kind of pair of color layers of exploitation
Screen and preparation method thereof, realizes the need for narrow frame is met in the case of not changing electrode cabling quantity, and avoid the occurrence of through hole
With " light leak " problem of color layers.
The content of the invention
In view of the drawbacks described above of prior art, it is narrow that the technical problems to be solved by the invention are to provide a kind of pair of color layers
Frame one chip capacitance induction touch panel and preparation method thereof, two color layers and arrangement thereon by arrangement with through hole
More electrode cablings are arranged in conductor, realization in the frame of one fixed width.
To achieve the above object, the invention provides a kind of pair of narrow frame one chip capacitance induction touch panel of color layers,
Including substrate, touch control unit, color layers, electrode, electrode cabling and touch control unit cabling, the touch control unit and the color layers
Be distributed on the first surface of the substrate, the touch control unit in the operable area of the capacitance induction touch panel, institute
Color layers are stated in the rim area of the capacitance induction touch panel, it is characterised in that also including the second color layers, second color
Layer is distributed in the rim area；The touch control unit cabling extends to the side from the touch control unit on the first surface
Frame area；In the rim area, the color layers partly cover the touch control unit cabling；
There is first through hole in the color layers, be filled in the first through hole, the conductor conductor part
Bottom be in contact with the touch control unit cabling, part of the conductor outside the first through hole is completely covered described
The top edge of first through hole；There is the second through hole, the whole of the lower edge of second through hole and institute in second color layers
Conductor is stated to connect；The electrode cabling is led in second color layers and by second through hole with described at least in part
Body is electrically connected.
Further, the electrode trace portions ground is in second through hole, and the electrode cabling is logical described second
Part in hole contacts with the conductor.
Further, the number of the first through hole is one, there is the conductor in one through hole；Or it is described
The number of first through hole is multiple, has the conductor at least one of the multiple through hole.
Further, the number of second through hole is one or more, is distributed in described the electrode trace portions
One through hole is interior or is partially distributed at least one of the multiple through hole.
Alternatively, the color layers and the conductor being distributed in the first through hole are completely covered the substrate and described
Part of the touch control unit cabling in the rim area；Second color layers are arranged in the color layers.
Alternatively, the color layers are arranged on the substrate；Second color layers and be distributed in described second lead to
Electrode cabling in hole is completely covered the color layers and the conductor, and the substrate and the touch control unit is completely covered
Cabling is not in the rim area and by the color layers and the part of the conductor being distributed in first through hole covering.
Alternatively, the color layers are arranged on the substrate；Second color layers and be distributed in described second lead to
The covering of electrode trace portions the ground color layers and the conductor in hole, and the substrate and the touch-control list is completely covered
First cabling is not in the rim area and by the color layers and the part of the conductor being distributed in first through hole covering.
Further, the material of the conductor is the mixture of carbon slurry, silver paste or carbon slurry and silver paste.
Further, the color layers and second color layers are selected from color ink coating, light oil coating and photoresists
Any one in coating.
Present invention also offers a kind of pair of preparation method of the narrow frame one chip capacitance induction touch panel of color layers, it is used for
Described capacitance induction touch panel, it is characterised in that including：
The first step, the touch control unit and the touch control unit cabling are made on the substrate；
Second step, the color layers are arranged on the substrate, the color layers partly cover the touch control unit and walk
Line, has the first through hole in the color layers；
3rd step, the conductor is inserted in the first through hole；
4th step, arrangement second color layers, have second through hole in second color layers；
5th step, make the electrode and the electrode cabling, the electrode cabling by second through hole with it is described
Conductor is contacted.
In a better embodiment of the invention, there is provided a kind of pair of narrow frame one chip capacitive sensing of color layers
Touch-screen and preparation method thereof, this pair of narrow frame one chip capacitance induction touch panel of color layers includes substrate, multiple touch-control lists
Unit, color layers, the second color layers, multiple conductors, multiple electrodes, multiple touch control unit cablings and multiple electrodes cabling.Wherein, it is many
Individual touch control unit forms the array of touch control unit；There are multiple first through hole correspond to each touch control unit cabling in color layers,
It is filled in each first through hole, the bottom of conductor is in contact with corresponding touch control unit cabling, conductor point each conductor part
Part of the cloth outside first through hole is completely covered the top edge of first through hole；There are multiple second through holes in second color layers,
Each conductor is correspond to respectively, and the diameter of the second through hole is distributed in the straight of the part outside first through hole less than corresponding conductor
Footpath；Each electrode cabling extends to each the second through hole in the second color layers, and by corresponding second through hole, each electricity
Part of the pole cabling in the second through hole is in contact with each conductor.Make this pair of narrow frame one chip capacitive sensing of color layers
During touch-screen, mainly including step：Touch control unit and touch control unit cabling are made on substrate using silk-screen printing technique；Using
Silk-screen printing technique is making the color layers with first through hole；Conductor is inserted in first through hole using silk-screen printing technique；
The second color layers with the second through hole are being made using silk-screen printing technique；And using silk-screen printing technique in the second color
Electrode and electrode cabling are made on layer.
As can be seen here, the of the invention pair of narrow frame one chip capacitance induction touch panel of color layers and preparation method thereof passes through
Arrangement two-layer has the color layers and conductor of through hole, is distributed in the through hole of next layer of color layers and its lower end conductor part
Portion is in contact with touch control electrode cabling, and its top half is completely covered the top edge of the through hole；The electrode cabling of conductor is by upper
The through hole of one layer of color layers is in contact with conductor, realizes being electrically connected between electrode cabling and corresponding touch control unit cabling
Connect, and realize conductor being completely covered to the through hole of next layer of color layers, thus avoid " light leak " caused by the through hole
Problem, and the structure of double color layers is it is possible to prevente effectively from solid color layer " light leak " problem.Simultaneously as conductor and electrode cabling
Can only be connected by the through hole of the color layers of last layer, short circuit problem can not possibly occur between conductor and adjacent electrode cabling,
Therefore need only consider to avoid the problem of short circuit occur between electrode cabling.It is about relative to the diameter being distributed in outside first through hole
The conductor part of 0.4mm, the frame space that diameter is about the through hole occupancy capacitance plate of the color layers of the last layer of 0.2mm is small, because
This through hole and conductor by designing next layer be interspersed of color layers, be able to can be laid out in the frame of one fixed width
More electrode cablings, so as to realize the narrow frame requirement of capacitance plate；And because conductor is subject to the logical of next layer of color layers
The limitation positioning in hole, it will not be fabricated separately the conductor in manufacturing process（Next layer of color layers are not made）When
Small conductor drops on touch control unit cabling and the short-circuit problem of caused adjacent touch unit, so as to ensure that the good of product
Product rate.
The technique effect of design of the invention, concrete structure and generation is described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the front view of the capacitance induction touch panel of prior art.
Fig. 2 is profile of the capacitance induction touch panel shown in Fig. 1 in AA ' directions.
Fig. 3 is that in one embodiment, the of the invention pair of narrow frame one chip capacitance induction touch panel of color layers is just
View.
Fig. 4 is the section of the narrow frame one chip capacitance induction touch panel in A1A1 ' directions of the double color layers shown in Fig. 3
Figure.
Fig. 5 enlargedly shows the junction of the electrode cabling and touch control unit cabling in Fig. 3, wherein being shown in phantom
Touch control unit cabling under second colors layer and the conductor between electrode cabling and touch control unit cabling.
Specific embodiment
As shown in Fig. 3,4 and 5, in a preferred embodiment, the of the invention pair of narrow frame one chip electricity of color layers
Hold induction touch panel include substrate 101, such as multiple touch control units of touch control unit 102, color layers 103, the second color layers 123,
Multiple touch-controls of multiple conductors such as conductor 171, such as multiple electrodes of electrode 150 and 151, such as touch control unit cabling 120 and 121
Unit cabling and the multiple electrodes cabling such as electrode cabling 140 and 141.Wherein, color layers 103, each touch control unit and each
Individual touch control unit cabling is distributed on the first surface of substrate 101.The normal direction of first surface is vertical paper in Fig. 3 and Fig. 5
The direction for facing out, the normal direction of first surface is upwardly direction in Fig. 4.In the present embodiment, with the normal of first surface
Direction is upward, the layer below the layer covering of top,
The color layers 123 of color layers 103 and second are insulation, are distributed in the rim area of capacitance induction touch panel, color layers
There is first through hole, such as first through hole 161 has the second through hole, such as the second through hole 181 in second color layers 123 on 103.It is many
Individual touch control unit forms the array of touch control unit, is distributed in the operable area of capacitance induction touch panel；Touch control unit is by driving
Dynamic part and sensing part are constituted, and such as touch control unit 102 is made up of the drive part and sensing part of touch control unit 102；Each
Touch control unit cabling extends to the rim area of capacitance induction touch panel, example from the drive part of each touch control unit and sensing part
Such as, touch control unit cabling 120 and 121 extends to capacitive sensing and touches from the drive part of touch control unit 102 and sensing part respectively
Touch the rim area of screen.In rim area, color layers 103 partly cover each touch control unit cabling, in color layers 103 each
One through hole is respectively aligned to each touch control unit cabling, specifically, is respectively aligned to an end of each touch control unit cabling（The end
Portion is not the end connected with touch control unit）, it is preferred that the lower edge of each first through hole all with corresponding touch control unit
Connect.For example, an end of the alignment touch control unit of first through hole 161 cabling 121, and the lower edge of first through hole 161 is complete
Ground connects with the end of touch control unit cabling 121.Each conductor is respectively partially distributed in corresponding first through hole, its lower end
Portion is in contact with corresponding touch control unit cabling respectively, and its part outside first through hole is completely covered the upper of the first through hole
Edge.For example, conductor 171 is partially distributed in first through hole 161, and in the present embodiment, its portion outside first through hole 161
Thus the diameter with diameter greater than first through hole 161 for dividing is completely covered the top edge of first through hole 161.In second color layers 123
Each second through hole be respectively aligned to each conductor, it is preferred that the lower edge of each second through hole all with corresponding conductor phase
Connect, each electrode cabling is distributed in the second color layers 123 at least in part, and led with corresponding by corresponding second through hole
Body is electrically connected, and in the present embodiment, is distributed in corresponding second through hole, its portion in the second through hole each electrode trace portions
Divide and be in contact with corresponding conductor.For example, the second through hole 181 is to quasi-conductor 171, its lower edge all connects with conductor 171,
Electrode cabling 141 is distributed in the second color layers 123 at least in part, and is partially distributed in the second through hole 181, its
Part in second through hole 181 is in contact with conductor 171.In other embodiments of the invention, can also be in the second through hole
Conductive material is inserted, each electrode cabling is electrically connected by being distributed in the conductive material in the second through hole with corresponding conductor.
In the present embodiment, the material of conductor can select the mixture of carbon slurry, silver paste or both, its color and color layers
103 color is identical（Color herein is identical refer to both aberration under the degree of smaller aberration, for example use
CIE1976（L*a*b*）The value of chromatism Δ E that the calculating of Colorimetry formula or color difference meter or measurement of the colour space obtain both is little
In 6,3 are preferably no greater than, the description is also applied for the other parts of this paper）；The material of electrode and electrode cabling can be selected
Silver paste；The color layers 123 of color layers 103 and second can be color ink coating, light oil coating or photosensitive plastic coating, i.e. color layers
103 and second the material of color layers 123 can select color ink, gloss oil or photoresists, wherein color ink, gloss oil or photosensitive
Glue has shades of colour, can select as needed；It is preferred that color layers 103 are identical with the color of the second color layers 123；Base
Plate 101 can select reinforced glass substrate, hardened glass substrate or common glass substrates, it is also possible to transparent from macromolecular material
Substrate；, by conductive film preparation, conducting film can be ito film, graphene layer, CNT for touch control unit and touch control unit cabling
Layer, nano-silver thread, metal grill（metal mesh）Or the material of other conductive material layers, i.e. conducting film can from ITO,
Graphene, CNT, nano-silver thread, metal grill or other conductive materials.
The narrow frame one chip capacitance induction touch panel for making double color layers in this implementation is comprised the following steps that：
The first step, on the substrate 101 making touch control unit and touch control unit cabling.
Illustrated by taking the manufacture craft using single layer of conductive film as an example in the present embodiment, it uses same layer conducting film shape
Into touch control unit and touch control unit cabling.
Specifically, in this step, a piece of glass substrate is taken first as substrate 101, and it can select safety glass
Substrate, hardened glass substrate or common glass substrates, it is also possible to from macromolecular material transparency carrier as substrate 101；Then,
Substrate 101 is cleaned, a surface of the substrate 101 for completing cleaning is selected as first surface；Then, in substrate 101
First surface on deposit one layer of conducting film, what is deposited in the present embodiment is ito film, and the thickness of the ito film is 5~60nm；So
Afterwards, then, the resist coating on conducting film, carries out photoetching to form the pattern of touch control unit and touch control unit cabling, this implementation
Gold-tinted photoetching process is used in example；Finally, the pattern of etching touch control unit and touch control unit cabling, in the first table of substrate 101
Face forms touch control unit and touch control unit cabling.Furthermore it is also possible to using silk-screen printing technique directly in the first table of substrate 101
The conducting film of the pattern of touch control unit and touch control unit cabling is formed on face, thus the first surface in substrate 101 forms touch-control
Unit and touch control unit cabling.
In the present embodiment, the line width of each touch control unit cabling is 0.01-0.3mm, and spacing is 0.01-0.8mm.
Second step, on the substrate 101 making color layers 103.
Specifically, capacitance induction touch panel is patterned on the first surface of substrate 101 using silk-screen printing technique
Rim area color layers 103, thereon with first through hole；First through hole extends along the normal direction of first surface, and its is following
One end all with corresponding touch control unit cabling of edge connects.Face on one end of touch control unit cabling 121 as shown in Figure 4
Chromatograph 103, has a first through hole 161 in color layers 103, the lower edge of first through hole 161 fully with touch control unit cabling
121 connect.In the present embodiment, color layers 103 are formed using color ink, the thickness of color layers 103 is 1~40 μm, and first leads to
A diameter of 0.01~0.6mm in hole.In addition, the cross section of the first through hole for being formed（I.e. parallel to the section of first surface）Do not limit
In circle, the shape of rectangle, ellipse etc. is can also be.
3rd step, conductor is inserted in first through hole.
Specifically, using silk-screen printing technique, filling prepares the material of conductor in each first through hole that previous step is formed
Material, in the present embodiment, is starched as the material of conductor from carbon, and its color is identical with the color of color layers 103；The conductor inserted
It highly it is 1~100 μm, its thickness that should be more than color layers 103, the height of preferable earthed conductor is bigger than the thickness of color layers 103
10~20 μm, conductor 171 as shown in Figure 4.The part that conductor is distributed in outside first through hole fully covers first through hole
Top edge, the part that conductor is distributed in outside first through hole in the present embodiment is cylinder, has a diameter larger than the first through hole
Diameter, preferably its diameter is bigger than the diameter of first through hole by 10%~50%.In other embodiments of the invention, conductor is distributed in
Cross section outside first through hole（I.e. parallel to the section of first surface）Circle is not limited to, rectangle, ellipse etc. is can also be
Shape.
4th step, the second color layers 123 of arrangement.
Specifically, the rim area of capacitance induction touch panel is patterned into color layers 103 using silk-screen printing technique
The second color layers 123, thereon with the second through hole；Second through hole along first surface normal direction extend, its lower edge with
Corresponding conductor connects, it is preferred that its lower edge all connects with corresponding conductor.On color layers 103 as shown in Figure 4
The second color layers 123, there is the second through hole 181 in the second color layers 123, the lower edge of the second through hole 181 fully with lead
Body 171 connects.In the present embodiment, the second color layers 123 are formed using color ink, the thickness of the second color layers 123 is 1~40
μm, a diameter of 0.01~0.6mm of the second through hole.In addition, the cross section of the second through hole for being formed（I.e. parallel to first surface
Section）Circle is not limited to, the shape of rectangle, ellipse etc. is can also be.
5th step, making electrode and electrode cabling, electrode cabling are in contact by the second through hole with conductor.
Specifically, using silver paste, electrode and electrode cabling are formed in the second color layers 123 using silk-screen printing technique,
The end of electrode cabling（The end of disconnected electrode）Need to be distributed in corresponding second through-hole alignment electrode trace portions
It is in contact in two through holes and with corresponding conductor.Electrode cabling 141 as shown in Figure 4, second is distributed in its end sections and is led to
In hole 181, part of the electrode cabling 141 in the second through hole 181 is in contact with conductor 171.In the present embodiment, using silver paste,
Each electrode is integrally formed with each electrode cabling；The thickness of electrode is 5~40 μm, and its cross section is rectangle；Electrode cabling
Line width is 0.01~0.5mm, and spacing is 0.03~0.8mm.In other embodiments, each electrode and each electrode cabling may be used also
To be fabricated separately, the cross section of electrode can also be the shape of circle, ellipse etc..Furthermore it is also possible to using laser-induced thermal etching
Method forms electrode and electrode cabling, in particular：The silver paste of the thickness of electrode for needing is formed on the surface of the second color layers 123
Layer, using laser-induced thermal etching silver slurry layer, each electrode and electrode cabling is formed on the surface of the second color layers 123.
It should be noted that in the present embodiment, except first through hole thereon, its pattern is and this hair color layers 103
The rim area identical of the narrow frame one chip capacitance induction touch panel of bright double color layers, and the second color layers 123 are except it
On the second through hole, its pattern is also and rim area identical；But in other examples, the face of color layers 103 and second
The pattern of chromatograph 123 simultaneously need not be identical with the rim area of capacitance induction touch panel, as long as in fact, both superpositions（Including
The electrode trace portions in conductor and the second through hole in first through hole）Both pattern afterwards is identical with rim area, i.e.,
Distribution can have following three kinds of situations：
1st, color layers 103 and the conductor being distributed in each first through hole are completely covered substrate 101 and each touch-control list
First cabling is arranged in color layers in the part of rim area, the second color layers 123；
2nd, color layers 103 arrange on the substrate 101, the second color layers 123 and the electricity being distributed in each second through hole
Pole cabling is completely covered color layers 103 and each conductor and substrate 101 and each touch control unit cabling is completely covered in frame
Area and the part not covered by color layers 103 and the conductor being distributed in each first through hole；
3rd, color layers 103 arrange on the substrate 101, the second color layers 123 and the electricity being distributed in each second through hole
Pole trace portions ground covers color layers 103 and each conductor and substrate 101 and each touch control unit cabling is completely covered on side
Frame area and the part not covered by color layers 102 and the conductor being distributed in each first through hole.
Finally, it is oxidized in atmosphere to prevent electrode cabling from exposing, one layer of insulation can also be covered on them
Layer, this layer insulating is covered on whole electrode cabling, and it is by one or more in color ink, gloss oil or color receptor glue
Formed, its pattern can be the rim area of capacitance induction touch panel or only cover electrode cabling.
In addition, in the present embodiment, each first through hole is arranged as staggered form, as shown in figure 5, such row
Row may insure each conductor in the of the invention pair of rim area of the narrow frame one chip capacitance induction touch panel of color layers it
Between insulation.Thus, in layout, the insulation between electrode cabling need to only be considered.In addition, when each conductor is arranged, also
The arrangement of the electrode pin described in Chinese patent CN203084698U can be taken.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, the technology of all the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (5)
1. a kind of pair of narrow frame one chip capacitance induction touch panel of color layers, including substrate, touch control unit, color layers, electrode,
Electrode cabling and touch control unit cabling, the touch control unit and the color layers are distributed on the first surface of the substrate, institute
Touch control unit is stated in the operable area of the capacitance induction touch panel, the color layers are in the capacitance induction touch panel
Rim area, it is characterised in that also including the second color layers and conductor, second color layers are distributed in the rim area；Institute
State the touch control unit cabling on first surface and extend to the rim area from the touch control unit；It is described in the rim area
Color layers partly cover the touch control unit cabling；
There is first through hole in the color layers, be filled in the first through hole, under the conductor conductor part
End is in contact with the touch control unit cabling, and part of the conductor outside the first through hole is completely covered described first
The top edge of through hole；There is the second through hole, the lower edge of second through hole is all led with described in second color layers
Body phase connects；The electrode cabling is at least in part in second color layers and by second through hole and conductor electricity
Connection；
Wherein,
Electrode trace portions ground in second through hole, part of the electrode cabling in second through hole and institute
State conductor contact；
The number of the first through hole is one, there is the conductor in one through hole；Or the first through hole is individual
Number is multiple, has the conductor at least one of the multiple through hole；
The number of second through hole is one or more, be distributed in the electrode trace portions one through hole it is interior or
It is partially distributed at least one of the multiple through hole；
The material of the conductor is the mixture of carbon slurry, silver paste or carbon slurry and silver paste；The color layers and second color layers
Selected from any one in color ink coating, light oil coating and photosensitive plastic coating；The color of the conductor and the color layers
Color it is identical, the color of second color layers is identical with the color of the color layers；
Multiple touch control unit cablings are extended parallel to each other, and multiple electrode cablings are extended parallel to each other, described many
The bearing of trend for extending perpendicularly to the multiple electrode cabling of individual touch control unit cabling；Multiple conductors are more with described
Individual touch control unit cabling is in contact correspondingly, and each described conductor is all with the multiple electrode cabling corresponding one
Individual electrical connection；The arrangement mode of the multiple conductor is：Line direction between the adjacent conductor of any two all inclines
In the bearing of trend of the multiple electrode cabling；
Wherein, the thickness of the color layers is 1-40 μm, and the height of the conductor is 1-100 μm, the thickness of second color layers
Spend is 1-40 μm；The diameter of each conductor compared with the corresponding first through hole diameter big 10%-50%, described
A diameter of 0.01-0.6mm of one through hole；A diameter of 0.01-0.6mm of second through hole；Each described touch control unit cabling
Line width be 0.01-0.3mm, spacing is 0.01-0.8mm；The line width of each electrode cabling is 0.01-0.5mm, and spacing is
0.03-0.8mm。
2. narrow frame one chip capacitance induction touch panel as claimed in claim 1, wherein the color layers and being distributed in institute
State the conductor in first through hole and the part of the substrate and the touch control unit cabling in the rim area is completely covered；Described
Second colors layer is arranged in the color layers.
3. the narrow frame one chip capacitance induction touch panel of color layers as claimed in claim 1 double, the color layers are arranged in
On the substrate；Second color layers and the electrode cabling being distributed in second through hole are completely covered the color layers
With the conductor, and the substrate and the touch control unit cabling is completely covered in the rim area and not by the color layers
The part covered with the conductor being distributed in the first through hole.
4. the narrow frame one chip capacitance induction touch panel of color layers as claimed in claim 1 double, the color layers are arranged in
On the substrate；Cover the color second color layers and the electrode trace portions that are distributed in second through hole
Layer and the conductor, and the substrate and the touch control unit cabling is completely covered in the rim area and not by the color
Layer and the part of the conductor covering being distributed in the first through hole.
5. a kind of pair of preparation method of the narrow frame one chip capacitance induction touch panel of color layers, for making such as claim 1
Described capacitance induction touch panel, it is characterised in that including：
The first step, the touch control unit and the touch control unit cabling are made on the substrate；
Second step, the color layers are arranged on the substrate, the color layers partly cover the touch control unit cabling, institute
Stating has the first through hole in color layers；
3rd step, the conductor is inserted in the first through hole；
4th step, arrangement second color layers, have second through hole in second color layers；
5th step, the making electrode and the electrode cabling, the electrode cabling pass through second through hole and the conductor
Contact.
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| CN201410063998.XA CN103809828B (en) | 2014-02-25 | 2014-02-25 | Narrow frame one chip capacitance induction touch panel of double color layers and preparation method thereof |
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| CN103809828B true CN103809828B (en) | 2017-06-16 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105183246B (en) * | 2014-06-12 | 2018-09-28 | 宸鸿科技(厦门)有限公司 | Capacitance type touch-control panel |
| CN105224116A (en) * | 2014-06-12 | 2016-01-06 | 宸鸿科技(厦门)有限公司 | A kind of contact panel |
| CN107295333B (en) * | 2016-03-31 | 2019-08-02 | 青岛海信电器股份有限公司 | A kind of display equipment and its control method |
| CN109992167A (en) * | 2018-01-02 | 2019-07-09 | 蓝思科技（长沙）有限公司 | A kind of two-sided conductive structure, touch panel and preparation method thereof |
| CN108255338B (en) * | 2018-01-12 | 2021-02-02 | 京东方科技集团股份有限公司 | Flexible touch screen, touch panel, touch substrate and manufacturing method thereof |
| CN108920000A (en) * | 2018-06-30 | 2018-11-30 | 昆山国显光电有限公司 | Display panel and preparation method thereof |
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| CN102707837A (en) * | 2012-05-04 | 2012-10-03 | 牧东光电（苏州）有限公司 | Single-face multi-point touch panel and manufacture method thereof |
| CN103049121A (en) * | 2011-10-13 | 2013-04-17 | 宸鸿科技(厦门)有限公司 | Touch control device and manufacture method thereof |
| CN103076907A (en) * | 2011-10-26 | 2013-05-01 | 宸鸿科技(厦门)有限公司 | Touch device and production method thereof |
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| US7339579B2 (en) * | 2003-12-15 | 2008-03-04 | 3M Innovative Properties Company | Wiring harness and touch sensor incorporating same |
| US8412930B2 (en) * | 2008-10-09 | 2013-04-02 | Microsoft Corporation | Device authentication within deployable computing environment |
| CN203825597U (en) * | 2014-02-25 | 2014-09-10 | 福建科创光电有限公司 | Narrow-rim one-chip type capacitive sensing touch screen with double color layers |
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| CN103049121A (en) * | 2011-10-13 | 2013-04-17 | 宸鸿科技(厦门)有限公司 | Touch control device and manufacture method thereof |
| CN103076907A (en) * | 2011-10-26 | 2013-05-01 | 宸鸿科技(厦门)有限公司 | Touch device and production method thereof |
| CN102707837A (en) * | 2012-05-04 | 2012-10-03 | 牧东光电（苏州）有限公司 | Single-face multi-point touch panel and manufacture method thereof |
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Address after: 351100 Putian City, Fujian Province Economic Development Zone (Licheng Zhen Dong Hu Cun Wei Hui Tang Industrial Park West) Patentee after: Kechuang Photoelectric (Putian) Co., Ltd. Address before: 351100 Putian City, Fujian Province Economic Development Zone (Licheng Zhen Dong Hu Cun Wei Hui Tang Industrial Park West) Patentee before: Fujian Kechuang Photoelectric Co., Ltd. |
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