CN105468212A - Panel structure and manufacturing method therefor - Google Patents
Panel structure and manufacturing method therefor Download PDFInfo
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- CN105468212A CN105468212A CN201410429632.XA CN201410429632A CN105468212A CN 105468212 A CN105468212 A CN 105468212A CN 201410429632 A CN201410429632 A CN 201410429632A CN 105468212 A CN105468212 A CN 105468212A
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Abstract
The invention relates to the technical field of flat panel display, in particular to a panel structure. The panel structure at least comprises a substrate at least with a first surface, and a lead wire group formed on the first surface of the substrate and at least comprising a lead wire, wherein the lead wire comprises a first lead wire layer; at least partial lead wire further comprises a second lead wire layer; and the second lead wire layer is formed on the first lead wire layer and at least partially or totally covers the first lead wire layer. In addition, the invention relates to a manufacturing method for the panel structure.
Description
Technical field
The present invention relates to technical field of flat panel display, particularly relate to a kind of panel construction and preparation method thereof.
Background technology
Integrated capacitive touch screen (OGS, OnGlassSolution) there is lightening advantage, it only adopts a plate base, and coverage layer, decorative pattern, sensing electrode layer and corresponding circuit are all produced on the same surface of this substrate, but in the prior art, integrated capacitive touch screen generally adopts multi-layered electrode to design, make at the back side of a plate base simultaneously and cover layer, multi-layered electrode and corresponding circuit, its manufacturing process complexity will be caused to improve further.
Compared to multi-layered electrode design, the sensing electrode layer of single-layer electrodes design, only need lead film production by layer of transparent and form, manufacturing process is simpler.The capacitive touch screen with single layer designs sensing electrode layer generally includes electrode, contact conductor and the first conductive pad, electrode and the first conductive pad are electrically connected by contact conductor, and then flexible circuit board is depressed into the first conductive pad, be connected with processor to make electrode.
But, the number of electrodes of the capacitive touch screen of this structure is more, corresponding contact conductor number is also many, the length being connected to the contact conductor of same first conductive pad or different first conductive pad is uneven, therefore, electrode and interelectrode resistance difference are comparatively large, are unfavorable for the overall touch-control effect of capacitive touch screen.
Summary of the invention
In view of this, the invention provides a kind of panel construction being conducive to reducing resistance difference.
In addition, there is a need to the method for making that a kind of above-mentioned panel construction is provided.
Described panel construction provided by the invention at least comprises: a substrate at least with a first surface; Be formed in the conductive lead wire group on the first surface of described substrate, described conductive lead wire group at least comprises a conductive lead wire; Described conductive lead wire comprises one first conductive trace layers, at least part of conductive lead wire also comprises one second conductive trace layers, and described second conductive trace layers is formed on described first conductive trace layers and also covers described first conductive trace layers at least partly or all in the longitudinal direction.
In described panel construction provided by the invention, described second conductive trace layers in the longitudinal direction part covers described first conductive trace layers, and the impedance being coated with the described conductive lead wire of part of described second conductive trace layers is identical or close with the impedance of the described conductive lead wire of part not being coated with described second conductive trace layers.
In described panel construction provided by the invention, described panel construction also comprises a functional layer and at least one first conductive pad, at least part of described functional layer is connected to described first conductive pad by described conductive lead wire, described functional layer is touch control layer, it at least comprises many first electrode tandems arranged along first direction, and described first electrode tandem comprises multiple spaced first electrode unit.
In described panel construction provided by the invention, at least one described conductive lead wire has the first lead portion and the second lead portion, described first lead portion and the second lead portion are positioned at the same described first relative both sides of conductive pad, and be electrically connected with described first conductive pad respectively, described first lead portion and the second lead portion are connected to the first electrode unit described in two in same first electrode tandem respectively, described second conductive trace layers covers part first conductive trace layers in the first lead portion of described conductive lead wire, and the first conductive trace layers do not covered in described second lead portion, described first lead portion is identical with the impedance of the second lead portion or be close.
In described panel construction provided by the invention, the length of described first lead portion is greater than the length of described second lead portion, and the impedance of described second conductive trace layers is less than the impedance of described first conductive trace layers.
In described panel construction provided by the invention, described first surface at least comprises first area and second area, described second area is at least positioned at the side of described first area and is adjacent to described first area, described functional layer is formed on the first surface at place, described first area, described conductive lead wire is formed on the first surface at described first area and second area place, described second conductive trace layers is formed at described first lead portion and is positioned on the conductive lead wire of described second area, the span of described second conductive trace layers is less than or equal to the span of described first conductive trace layers, or described second conductive trace layers all covers described first conductive trace layers.
In described panel construction provided by the invention, in described panel construction provided by the invention, described panel construction also comprises multiple second conductive pads be formed on described second area, described touch control layer also comprises many second electrode tandems, often described second electrode tandem continuously and arrange along second direction, and often described second electrode tandem is connected to the second conductive pad described in, described in multiple first electrode unit and in same described first electrode tandem, the second electrode tandem is mutually inlayed and is insulated and arranges.
A kind of panel construction method for making, it at least comprises the following steps: provide the substrate that at least has a first surface; The first surface of described substrate is formed at least one conductive lead wire group, described conductive lead wire group at least comprises a conductive lead wire, described conductive lead wire comprises one first conductive trace layers, at least part of conductive lead wire also comprises one second conductive trace layers, and described second conductive trace layers is formed on described first conductive trace layers and also covers described first conductive trace layers at least partly or all in the longitudinal direction.
In described panel construction method for making provided by the invention, described step is also included in the step that described first surface forms a functional layer, described first conductive trace layers and described functional layer are made in the lump in same processing procedure, the material making described first conductive trace layers is identical with the material making described functional layer, and described conductive lead wire group and described functional layer are all made in same gold-tinted technique or Radium art.
In described panel construction method for making provided by the invention, described functional layer is touch control layer, described touch control layer comprises many first electrode tandems along first direction setting and many second electrode tandems arranged along second direction, described first electrode tandem comprises multiple spaced first electrode unit, and described in multiple first electrode unit and in same described first electrode tandem, the second electrode tandem is mutually inlayed and insulated and arranges.
In described panel construction provided by the invention and preparation method thereof, because described conductive lead wire comprises one first conductive trace layers, and at least partly conductive lead wire also comprises one and is formed at the second conductive trace layers on described first conductive trace layers, therefore, it can reduce the impedance of conductive lead wire on the one hand, be conducive on the other hand reducing resistance difference, improve overall touch-control effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schematic diagram of the panel construction 200 of a preferred embodiment provided by the invention;
Fig. 2 is for panel construction 200 shown in Fig. 1 is along a schematic cross-section in A-A direction;
Fig. 3 is for the panel construction 200 shown in Fig. 1 is along a schematic cross-section in B-B direction;
Fig. 4 is the schematic flow sheet of panel construction method for making described in Fig. 1.
Embodiment
For panel construction provided by the invention and preparation method thereof is described, be described in detail below in conjunction with Figure of description and explanatory note.
Please refer to Fig. 1, be the structural representation of the panel construction 200 of a better embodiment provided by the invention, described panel construction 200 is capacitive touch screen.Described capacitive touch screen 200 at least comprises substrate 201, functional layer, conductive lead wire group 211, first conductive pad 212 and the second conductive pad 222.Described functional layer comprises many described first electrode tandems 210 and many described second electrode tandems 220.In other embodiments, described panel construction also can be resistive touch screen or display screen, and described functional layer can also be display layer.
Described substrate 201 at least has a first surface 201a, and in present embodiment, described first surface 201a is a plane, and at other embodiments, first surface can also be curved surface or irregular surface.Described substrate 201 can be made up of glass or flexible material.Described first surface 201a at least comprises an a first area 201aa and second area 201ab, and described second area 201ab is positioned at the side of described first area 101aa.In other embodiments, described first surface also may have the 3rd, the 4th and the 5th region, described second, third, the 4th and the 5th region forms the neighboring area of described substrate jointly.
201a on the first surface that many first electrode tandems 210 and many second electrode tandems 220 are formed at 201aa place, described first area, described first electrode tandem 210 is arranged along first direction, and often described first electrode tandem 210 comprises multiple spaced first electrode unit 210a, often described second electrode tandem 220 continuously and arrange along second direction.Described in multiple first electrode unit 210a and in same described first electrode tandem 210, the second electrode tandem 220 is mutually inlayed and is insulated and arranges.In present embodiment, the shape of described first electrode unit 210a is triangle, and described second electrode tandem 220 is the triangular-shaped electrodes of serial connection.In other embodiments, described first electrode unit and the second electrode tandem also can have different shapes, such as trapezoidal, rectangle or wire.In present embodiment, described first direction is vertical with second direction, and in other embodiments, described first direction and second direction also can be arranged according to other modes.Described first electrode unit 210a, the second electrode tandem 220 and contact conductor 211 are made by the transparent conductive material such as material such as tin indium oxide, Graphene.
Multiple described first conductive pad 212 and multiple described second conductive pad 222 are formed on the described conductive lead wire on described second area 201ab, and are electrically connected with described conductive lead wire.Described functional layer is connected to described first conductive pad 212 by described conductive lead wire.Concrete, often described second electrode tandem 220 is connected to the second conductive pad 222 described in, and described first electrode unit is connected to described first conductive pad 212.
Described conductive lead wire group 211 is formed on the first surface 201a at described first area 201aa and second area 201ab place, described conductive lead wire group 211 comprises many conductive lead wires 21, in other embodiments, conductive lead wire group also can only be positioned on the first surface at second area place.Described conductive lead wire 21 comprises one first conductive trace layers 21a, and at least part of conductive lead wire 21 also comprises one second conductive trace layers 21b, and described second conductive trace layers 21b covers described first conductive trace layers 21a in the longitudinal direction at least partly or all.The material making described first conductive trace layers 21a is identical with the material making described first electrode tandem 210, second electrode tandem 220, and the material making described second conductive trace layers 21b is metal, metal alloy, metal mixture or Graphene, conducting polymer etc.
In present embodiment, at least one described conductive lead wire 21 has the first lead portion 21 ' and the second lead portion 21 "; described first lead portion 21 ' and the second lead portion 21 " be positioned at the same described first relative both sides of conductive pad 212, and be electrically connected with described first conductive pad 212 respectively, described first lead portion 21 ' and the second lead portion 21 " be connected to the first electrode unit 210a described in two in same first electrode tandem 210 respectively.As shown in Figure 2 and Figure 3, it is respectively the schematic cross-section of panel construction 200 shown in Fig. 1 along A-A and B-B direction.Described second conductive trace layers 21b covers the first conductive trace layers 21a in the first lead portion 21 ' of described conductive lead wire 21, and do not cover described second lead portion 21 " in the first conductive trace layers 21a, described first lead portion 21 ' and the second lead portion 21 " impedance identical or be close.In present embodiment, define the first lead portion 21 ' and the second lead portion 21 " be positioned at the part of described second area 201ab for described conductive lead wire 21.In present embodiment, because described conductive lead wire comprises one first conductive trace layers, and at least partly conductive lead wire also comprises one and is formed at the second conductive trace layers on described first conductive trace layers, therefore, it can reduce the impedance of conductive lead wire on the one hand, be conducive on the other hand reducing resistance difference, improve overall touch-control effect.
Concrete, the length of described first lead portion 21 ' is greater than described second lead portion 21 " length, described first lead portion 21 ' comprises the first conductive trace layers 21a and is formed in the second conductive trace layers 21b on described first conductive trace layers 21a.Described second lead portion 21 " only comprise the first conductive trace layers 21a, length due to the first lead portion 21 ' is greater than described second lead portion 21 " length, the impedance of the first conductive trace layers of described first lead portion 21 ' is greater than described second lead portion 21 " the impedance of the first conductive trace layers 21a, therefore, second conductive trace layers 21b is formed on the first conductive trace layers 21a of described first lead portion 21 ', can balance because of the first lead portion 21 ' and the second lead portion 21 " in the not identical and resistance difference caused of the length of the first conductive trace layers 21a, thus improve the overall touch-control effect of capacitive touch screen.
In another embodiment, the span of described second conductive trace layers is less than the span of described first conductive trace layers, makes to be conducive to when applying flatness layer (OC) on follow-up described panel construction getting rid of bubble; Or the span of described second conductive trace layers equals the span of described first conductive trace layers, now described second conductive trace layers and the first conductive trace layers can be made in the lump in same gold-tinted technique or Radium art; Or described second conductive trace layers all covers described first conductive trace layers, that is, make described first conductive trace layers not have exposure at described first surface, now can reduce the impedance of conductive lead wire further.
As shown in Figure 4, it at least comprises the following steps for the schematic flow sheet of the method for making of panel construction shown in Fig. 1, described method for making:
Step S01: the substrate that at least has a first surface is provided;
Step S02: form conductive lead wire group on the first surface of described substrate, described conductive lead wire group at least comprises a conductive lead wire, described conductive lead wire comprises one first conductive trace layers, at least part of conductive lead wire also comprises one second conductive trace layers, and described second conductive trace layers is formed on described first conductive trace layers and also covers described first conductive trace layers at least partly or all.
Between step S01 and S02, also comprise the step (not shown) that described first surface forms functional layer, described first conductive trace layers and described functional layer are made in the lump in same processing procedure.Described conductive lead wire group connects described functional layer, and the material making described conductive lead wire group is identical with the material making described functional layer, and described conductive lead wire group and described functional layer are all made in same gold-tinted technique or Radium art.
Concrete, described functional layer is touch control layer, and described touch control layer at least comprises many described first electrode tandems and many described second electrode tandems, and described first electrode tandem, the second electrode tandem and described first conductive trace layers are made in the lump in same processing procedure.
It is more than the better embodiment of capacitance type touch-control panel provided by the invention and preparation method thereof; the restriction to rights protection scope of the present invention can not be interpreted as; those skilled in the art should know; without departing from the inventive concept of the premise; also can do multiple improvement or replacement; these all improvement or replacement all should in the scope of the present invention, and namely the scope of the present invention should be as the criterion with claim.
Claims (10)
1. a panel construction, it at least comprises:
One substrate at least with a first surface;
Be formed in the conductive lead wire group on the first surface of described substrate, described conductive lead wire group at least comprises a conductive lead wire;
Described conductive lead wire comprises one first conductive trace layers, at least part of conductive lead wire also comprises one second conductive trace layers, and described second conductive trace layers is formed on described first conductive trace layers and also covers described first conductive trace layers at least partly or all in the longitudinal direction.
2. panel construction as claimed in claim 1, it is characterized in that: described second conductive trace layers in the longitudinal direction part covers described first conductive trace layers, and the impedance being coated with the described conductive lead wire of part of described second conductive trace layers is identical or close with the impedance of the described conductive lead wire of part not being coated with described second conductive trace layers.
3. panel construction as claimed in claim 1, it is characterized in that: described panel construction also comprises a functional layer and at least one first conductive pad, at least part of described functional layer is connected to described first conductive pad by described conductive lead wire, described functional layer is touch control layer, it at least comprises many first electrode tandems, described first electrode tandem is arranged along first direction, and described first electrode tandem comprises multiple spaced first electrode unit.
4. panel construction as claimed in claim 3, it is characterized in that: at least one described conductive lead wire has the first lead portion and the second lead portion, described first lead portion and the second lead portion are positioned at the same described first relative both sides of conductive pad, and be electrically connected with described first conductive pad respectively, described first lead portion and the second lead portion are connected to the first electrode unit described in two in same first electrode tandem respectively, described second conductive trace layers covers part first conductive trace layers in the first lead portion of described conductive lead wire, and the first conductive trace layers do not covered in described second lead portion, described first lead portion is identical with the impedance of the second lead portion or be close.
5. panel construction as claimed in claim 4, it is characterized in that: the length of described first lead portion is greater than the length of described second lead portion, the impedance of described second conductive trace layers is less than the impedance of described first conductive trace layers.
6. panel construction as claimed in claim 3, it is characterized in that: described first surface at least comprises first area and second area, described second area is at least positioned at the side of described first area and is adjacent to described first area, described functional layer is formed on the first surface at place, described first area, described conductive lead wire is formed on the first surface at described first area and second area place, described second conductive trace layers is formed at described first lead portion and is positioned on the conductive lead wire of described second area, the span of described second conductive trace layers is less than or equal to the span of described first conductive trace layers, or described second conductive trace layers all covers described first conductive trace layers.
7. panel construction as claimed in claim 3, it is characterized in that: described panel construction also comprises multiple second conductive pads be formed on described second area, described touch control layer also comprises many second electrode tandems, often described second electrode tandem continuously and arrange along second direction, and often described second electrode tandem is connected to the second conductive pad described in, described in multiple first electrode unit and in same described first electrode tandem, the second electrode tandem is mutually inlayed and is insulated and arranges.
8. a panel construction method for making, it at least comprises the following steps:
The substrate that one at least has a first surface is provided;
The first surface of described substrate is formed at least one conductive lead wire group, described conductive lead wire group at least comprises a conductive lead wire, described conductive lead wire comprises one first conductive trace layers, at least part of conductive lead wire also comprises one second conductive trace layers, and described second conductive trace layers is formed on described first conductive trace layers and also covers described first conductive trace layers at least partly or all in the longitudinal direction.
9. panel construction method for making as claimed in claim 8, it is characterized in that: described step is also included in the step that described first surface forms a functional layer, described first conductive trace layers and described functional layer are made in the lump in same processing procedure, the material making described first conductive trace layers is identical with the material making described functional layer, and described conductive lead wire group and described functional layer are all made in same gold-tinted technique or Radium art.
10. panel construction method for making as claimed in claim 9, it is characterized in that: described functional layer is touch control layer, described touch control layer comprises many first electrode tandems along first direction setting and many second electrode tandems arranged along second direction, described first electrode tandem comprises multiple spaced first electrode unit, and described in multiple first electrode unit and in same described first electrode tandem, the second electrode tandem is mutually inlayed and insulated and arranges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410429632.XA CN105468212B (en) | 2014-08-28 | 2014-08-28 | Panel structure and manufacturing method thereof |
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| CN201410429632.XA CN105468212B (en) | 2014-08-28 | 2014-08-28 | Panel structure and manufacturing method thereof |
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| CN105468212A true CN105468212A (en) | 2016-04-06 |
| CN105468212B CN105468212B (en) | 2023-05-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106055171A (en) * | 2016-08-08 | 2016-10-26 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display device |
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| JP2012146134A (en) * | 2011-01-12 | 2012-08-02 | Dainippon Printing Co Ltd | Touch panel sensor and manufacturing method of touch panel sensor |
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| CN103383612A (en) * | 2012-05-02 | 2013-11-06 | 香港商灿芯半导体有限公司 | Self capacitive type touch control device and operation method thereof |
| US20140043260A1 (en) * | 2012-08-09 | 2014-02-13 | Eturbotouch Technology Inc. | Conductive Substrate and Touch Panel |
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| CN101833405A (en) * | 2009-02-11 | 2010-09-15 | 统宝光电股份有限公司 | Capacitive touch sensor and manufacture method, display module and use its device |
| JP2012146134A (en) * | 2011-01-12 | 2012-08-02 | Dainippon Printing Co Ltd | Touch panel sensor and manufacturing method of touch panel sensor |
| CN102799327A (en) * | 2012-03-28 | 2012-11-28 | 友达光电股份有限公司 | Touch panel and manufacturing method thereof |
| CN103383612A (en) * | 2012-05-02 | 2013-11-06 | 香港商灿芯半导体有限公司 | Self capacitive type touch control device and operation method thereof |
| US20140043260A1 (en) * | 2012-08-09 | 2014-02-13 | Eturbotouch Technology Inc. | Conductive Substrate and Touch Panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106055171A (en) * | 2016-08-08 | 2016-10-26 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display device |
| CN106055171B (en) * | 2016-08-08 | 2019-02-12 | 京东方科技集团股份有限公司 | A kind of array substrate and its manufacturing method and display device |
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| CN105468212B (en) | 2023-05-09 |
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