CN204215386U - Panel construction - Google Patents
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- CN204215386U CN204215386U CN201420489562.2U CN201420489562U CN204215386U CN 204215386 U CN204215386 U CN 204215386U CN 201420489562 U CN201420489562 U CN 201420489562U CN 204215386 U CN204215386 U CN 204215386U
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- lead wire
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Abstract
The utility model relates to technical field of flat panel display, particularly relates to a kind of panel construction.Described panel construction 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.
Description
Technical field
The utility model relates to technical field of flat panel display, particularly relates to a kind of panel construction.
Background technology
Integrated capacitive touch screen (OGS, On Glass Solution) 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.
Utility model content
In view of this, the utility model provides one to be conducive to reducing resistance difference, improves the panel construction of overall touch-control effect.
The described panel construction that the utility model provides 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 the described panel construction that the utility model provides, 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 the described panel construction that the utility model provides, 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 the described panel construction that the utility model provides, 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 close.
In the described panel construction that the utility model provides, 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 the described panel construction that the utility model provides, 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 the part that described second conductive trace layers is positioned at described first conductive trace layers all covers described first conductive trace layers on span direction.
In the described panel construction that the utility model provides, in the described panel construction that the utility model provides, 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.
In the described panel construction that the utility model provides, 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 the described panel construction that the utility model provides, 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 utility model is described in further detail, in accompanying drawing:
The schematic diagram of the panel construction 200 of the preferred embodiment that Fig. 1 provides for the utility model;
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.
Embodiment
For the panel construction that the utility model provides is described, be described in detail below in conjunction with Figure of description and explanatory note.
Please refer to Fig. 1, the structural representation of the panel construction 200 of the better embodiment provided for the utility model, 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 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; The part that described second conductive trace layers is positioned at described first conductive trace layers all covers described first conductive trace layers on span direction, namely, the part that described second conductive trace layers is positioned at described first conductive trace layers makes described first conductive trace layers not have exposure at described first surface, now can reduce the impedance of conductive lead wire further.
The better embodiment of the panel construction provided for the utility model above; the restriction to the utility model rights protection scope can not be interpreted as; those skilled in the art should know; without departing from the concept of the premise utility; also can do multiple improvement or replacement; these all improvement or replacement all should within the scope of rights protections of the present utility model, and namely rights protection scope of the present utility model 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, is characterized in that: described panel construction also comprises a functional layer and at least one first conductive pad, and at least part of described functional layer is connected to described first conductive pad by described conductive lead wire.
4. panel construction as claimed in claim 3, it is characterized in that: described functional layer is touch control layer, it at least comprises many first electrode tandems, and described first electrode tandem is arranged along first direction, and described first electrode tandem comprises multiple spaced first electrode unit.
5. panel construction as claimed in claim 4, 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 close.
6. panel construction as claimed in claim 5, 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.
7. panel construction as claimed in claim 5, 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, and described second conductive trace layers is formed at described first lead portion and is positioned on the conductive lead wire of described second area.
8. panel construction as claimed in claim 7, it is characterized in that: 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 is positioned at part described first conductive trace layers of whole covering on span direction of described first conductive trace layers.
9. panel construction as claimed in claim 7, 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.
10. panel construction as claimed in claim 4, it is characterized in that: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420489562.2U CN204215386U (en) | 2014-08-28 | 2014-08-28 | Panel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420489562.2U CN204215386U (en) | 2014-08-28 | 2014-08-28 | Panel construction |
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| Publication Number | Publication Date |
|---|---|
| CN204215386U true CN204215386U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420489562.2U Active CN204215386U (en) | 2014-08-28 | 2014-08-28 | Panel construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045452A (en) * | 2015-08-19 | 2015-11-11 | 深圳市华星光电技术有限公司 | Touch display device and array substrate thereof |
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2014
- 2014-08-28 CN CN201420489562.2U patent/CN204215386U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045452A (en) * | 2015-08-19 | 2015-11-11 | 深圳市华星光电技术有限公司 | Touch display device and array substrate thereof |
| CN105045452B (en) * | 2015-08-19 | 2018-01-30 | 深圳市华星光电技术有限公司 | One kind touches display device and its array base palte |
| US10013111B2 (en) | 2015-08-19 | 2018-07-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Touch panel display device having optimal transmission paths and related array substrate |
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