Accompanying drawing explanation
Fig. 1 is the planar structure schematic diagram of touch-screen the first embodiment of the present invention.
Fig. 2 is the diagrammatic cross-section of Fig. 1 II-II along the line.
Fig. 3 is the diagrammatic cross-section of Fig. 1 III-III along the line.
Fig. 4 is the planar structure schematic diagram of touch-screen the second embodiment of the present invention.
Fig. 5 is the planar structure schematic diagram of touch-screen of the present invention the 3rd embodiment.
Fig. 6 is the diagrammatic cross-section of Fig. 5 VI-VI along the line.
Fig. 7 is the diagrammatic cross-section of Fig. 5 VII-VII along the line.
Fig. 8 is the planar structure schematic diagram of touch-screen of the present invention the 4th embodiment.
Fig. 9 is the diagrammatic cross-section of Fig. 8 along IX-IX line.
Figure 10 is the diagrammatic cross-section of Fig. 8 along X-X line.
Main element symbol description
Touch- screen 10,20,30,40
The first conducting wire 11,31,41
The second conducting wire 12,32,42
Auxiliary discharge structure 13,23,33
First direction X
Second direction Y
The first sensing electrode 110,310,410
The first connecting bridge 112,312,412
The first main part 114
The first tip 116,316
The second sensing electrode 120,320,420
The second connecting bridge 122,422
The second main part 130
The second tip 132,232,332
Substrate 14,34,44
Insulation course 15,35,45
Via 150,350
The first vertical bar portion 231
The second vertical bar portion 233
The first connecting portion 311
The second connecting portion 313
The 3rd connecting portion 315
Main part 317
Opening 324
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, Fig. 1 is the planar structure schematic diagram of touch-screen the 10 1 embodiment of the present invention.This touch-screen 10 can be capacitive touch screen, it comprise multiple along first direction X extend the first conducting wires 11, multiple along second direction Y extend and with this first conducting wire 11 insulate crossover arrange the second conducting wire 12 and multiple auxiliary discharge structure 13.Preferably, this first direction X is mutually vertical with this second direction Y.
This first conducting wire 11 comprises and is multiplely spaced at the first sensing electrode 110 on this first direction X and is connected in the first connecting bridge 112 between adjacent two the first sensing electrodes 110.This first connecting bridge 112 comprises the first main part 114 and the first tip 116.The two ends of this first main part 114 respectively connect the first corresponding sensing electrode 110, and the bearing of trend of this first main part 114 can be this first direction X.This first tip 116 is connected in the middle part of this first main part 114, for release electrostatic.In present embodiment, the quantity at this first tip 116 is two, and this 2 first tip 116 is connected to the both sides at the middle part of this first main part 114, and the tip at these 2 first tips 116 is towards the opposite.Wherein, in this first conducting wire 11, except two the first sensing electrodes 110 that are positioned at two ends are for triangle, all the other first sensing electrodes 110 are roughly rhombus.
This second conducting wire 12 comprises and is multiplely spaced at the second sensing electrode 120 on this second direction Y and is connected in the second connecting bridge 122 between adjacent two the second sensing electrodes 120, in plane, this second sensing electrode 120 staggers mutually with this first sensing electrode 110, this second connecting bridge 122 and this first connecting bridge 112 crossover that insulate.Wherein, in this second conducting wire 12, except two the second sensing electrodes 120 that are positioned at two ends are for triangle, all the other second sensing electrodes 120 are also roughly rhombus.
In plane, this auxiliary discharge structure 13 and these the second conducting wire 12 crossovers.Particularly, this auxiliary discharge structure 13 and these the second sensing electrode 120 crossovers.The second tip 132 that this auxiliary discharge structure 13 comprises the second main part 130 and connects this second main part 130 and be oppositely arranged with this first tip 116.This second main part 130 can be identical with the bearing of trend of this first main part 114, extends along this first direction X.This second tip 132 is also for release electrostatic.In present embodiment, this auxiliary discharge structure 13 is also electrically connected with this second conducting wire 12, thus auxiliary these the second conducting wire 12 release electrostatics.In addition, in embodiment shown in Fig. 1, because each first connecting bridge 112 comprises two the first tips 116, therefore, each first connecting bridge 112 is corresponding two auxiliary discharge structures 13 also, and these two auxiliary discharge structures 13 lay respectively at the both sides of this first connecting bridge 112.
Please further consult Fig. 2 and Fig. 3, Fig. 2 is the diagrammatic cross-section of Fig. 1 II-II along the line, and Fig. 3 is the diagrammatic cross-section of Fig. 1 III-III along the line.This touch-screen 10 also comprise substrate 14 and and insulation course 15 for being insulated in this first conducting wire 11 and this second conducting wire 12, this first connecting bridge 112 and this auxiliary discharge structure 13 are all arranged in this substrate 14, this insulation course 15 is arranged at this first connecting bridge 112, in this auxiliary discharge structure 13 and this substrate 14, this first sensing electrode 110 and this second conducting wire 12 are arranged on this insulation course 15, this insulation course 15 comprises multiple vias 150 that run through this insulation course 15, the two ends of the first main part 114 of this first connecting bridge 112 all connect with the first corresponding sensing electrode 110 by via 150, this auxiliary discharge structure 13 is connected with the second sensing electrode 120 of this second conducting wire 12 by via 150.
Wherein, this first connecting bridge 112 can be identical with the material of this auxiliary discharge structure 13, as be lighttight metal material, thereby in the processing procedure of this touch-screen 10, this first connecting bridge 112 can form with this auxiliary discharge structure 13 in mask processing procedure.The material of this first sensing electrode 110 and this second conducting wire 12 can be identical, as be transparent conductive material, thereby in the processing procedure of this touch-screen 10, this first sensing electrode 110 and this second conducting wire 12 can form in mask processing procedure.
Compared with prior art, this first connecting bridge 112 of touch-screen 10 of the present invention comprises the first tip 116, this auxiliary discharge structure 13 comprises the second tip 132 being oppositely arranged with this first tip 116, the static that enters this first conducting wire 11 can be by these the first most advanced and sophisticated 116 releases, the second tip 132 of this auxiliary discharge structure 13 also can coordinate this first conducting wire 11 release electrostatics, improves this touch-screen 10 electrostatic interference phenomenons.In addition, this auxiliary discharge structure 13 is also electrically connected with this second conducting wire 12, also can assist this second conducting wire 12 release electrostatics, further improves this touch-screen 10 electrostatic interference phenomenons.
Refer to Fig. 4, Fig. 4 is the planar structure schematic diagram of touch-screen 20 second embodiments of the present invention.The touch-screen 20 of this second embodiment is from the key distinction of the touch-screen 10 of the first embodiment: the flat shape of auxiliary discharge structure 23 is different, particularly, auxiliary discharge structure 23 comprises the first vertical bar portion 231 and the second vertical bar portion 233, this the first vertical bar portion 231 formation V-arrangement crossing with this second vertical bar portion 233, the corner of this V-arrangement defines the second tip 232.Wherein, the angle of this first vertical bar portion 231 and first direction X is being more than or equal to 30 degree to being less than or equal in the scope of 60 degree, and the angle of this second vertical bar portion 233 and this first direction X is being more than or equal to 30 degree to being less than or equal in the scope of 60 degree.Preferably, this first vertical bar portion 231 is 45 degree with the angle of this first direction X, and this second vertical bar portion 233 is also 45 degree with the angle of this first direction X.
In this second embodiment, this auxiliary discharge structure 23 is V-arrangement, the oblique extension of this first direction X is all compared with this second vertical bar portion 233 by its this first vertical bar portion 231, this kind of bearing of trend can reduce the visuality of this auxiliary discharge structure 23, be difficult for discovering for human eye, improve the observability of this touch-screen 20.
Refer to Fig. 5, Fig. 5 is the planar structure schematic diagram of touch-screen 30 of the present invention the 3rd embodiment.The touch-screen 30 of the 3rd embodiment is from the key distinction of the touch-screen 10 of the first embodiment: the structure of the first connecting bridge 312 is different, and the shape difference of auxiliary discharge structure 33.Particularly, between adjacent two the first sensing electrodes 310, connect by two the first connecting bridges 312 that are oppositely arranged.Wherein, these two the first connecting bridges 312 arrange axisymmetricly along the axis of symmetry that is parallel to first direction X, and in plane, this auxiliary discharge structure 33 is positioned at the space that these two the first connecting bridges 312 surround.
Each first connecting bridge 312 comprises the first connecting portion 311, the second connecting portion 313 and the 3rd connecting portion 315 that connect successively, this second connecting portion 313 extends along this first direction X, and this first connecting portion 311 is all connected this first tip 316 with the 3rd connecting portion 315 inner sides.This first connecting portion 311 includes main part 317 with the 3rd connecting portion 315, the main part 317 of this first connecting portion 311 and the 3rd connecting portion 315 being more than or equal to 30 degree to being less than or equal in the scope of 60 degree, is preferably 45 degree with the angle of this first direction X.
Say further, the quantity that is positioned at the auxiliary discharge structure 33 in the space that these two the first connecting bridges 312 surround is two, each auxiliary discharge structure 33 respectively comprises one second tip 332 along this first direction X extension and two ends, and two the second tips 332 of each auxiliary discharge structure 33 are relative with the first tip 316 of this first connecting portion 311 and the first tip 316 of the 3rd connecting portion 315 respectively.
In plane, the second sensing electrode 320 comprises opening 324, and this second connecting portion 313 is arranged in the opening 324 of this second sensing electrode 320 and insulate and have certain intervals with this second sensing electrode 320.
Please further consult Fig. 6 and Fig. 7, Fig. 6 is the diagrammatic cross-section of Fig. 5 VI-VI along the line, and Fig. 7 is the diagrammatic cross-section of Fig. 5 VII-VII along the line.This touch-screen 30 also comprises substrate 34 and the insulation course 35 for being insulated in this first conducting wire 31 and this second conducting wire 32, this first connecting portion 311, the 3rd connecting portion 315 and this auxiliary discharge structure 33 are all arranged in this substrate 34, this insulation course 35 is arranged at this first connecting portion 311, the 3rd connecting portion 315, in this auxiliary discharge structure 33 and this substrate 34, this first sensing electrode 310, this second connecting portion 313 and this second conducting wire 32 are arranged on this insulation course 35, this insulation course 35 comprises via 350, one end of this first connecting portion 311 and the 3rd connecting portion 315 connects with the first corresponding sensing electrode 310 by via 350, the other end of this first connecting portion 311 and the 3rd connecting portion 315 is all connected with this second connecting portion 313 by via 350.
Wherein, the material of this first connecting portion 311, the 3rd connecting portion 315 and this auxiliary discharge structure 33 is identical, as be lighttight metal material, thereby in the processing procedure of this touch-screen 30, this first connecting portion 311, the 3rd connecting portion 315 and this auxiliary discharge structure 33 can form in mask processing procedure.The material of this first sensing electrode 310, this second conducting wire 32 and this second connecting portion 313 can be identical, as be transparent conductive material, thereby in the processing procedure of this touch-screen 30, this first sensing electrode 310, this second conducting wire 32 and this second connecting portion 313 can form in mask processing procedure.
In the 3rd embodiment, between adjacent two the first sensing electrodes 310, connect by two the first connecting bridges 312 that are oppositely arranged, can improve the electrical connection fiduciary level of these two the first sensing electrodes 310, even if there is first connecting bridge 312 to open circuit, another first connecting bridge 312 also can make two the first sensing electrodes 310 electrically conduct, meanwhile, the static that these two the first connecting bridges 312 are also more conducive to this first conducting wire 31 discharges.In addition, the main part 317 of this first connecting portion 311 and the 3rd connecting portion 315 also can reduce the visuality of this auxiliary discharge structure 33 compared to the oblique extension of this first direction, improve the observability of this touch-screen 30.
Refer to Fig. 8, Fig. 9 and Figure 10, Fig. 8 is the planar structure schematic diagram of touch-screen 40 of the present invention the 4th embodiment, and Fig. 9 is the diagrammatic cross-section of Fig. 8 IX-IX along the line, and Figure 10 is the diagrammatic cross-section of Fig. 8 X-X along the line.The touch-screen 40 of the 4th embodiment is from the key distinction of the touch-screen 10 of the first embodiment: the interlayer structure of touch-screen 40 is different, this touch-screen 40 also comprises substrate 44 and the insulation course 45 for being insulated in the first conducting wire 41 and the second conducting wire 42, particularly, the first connecting bridge 412 and auxiliary discharge structure 43 are arranged in this substrate 44, the first sensing electrode 410 is arranged in this substrate 44 and this first connecting bridge 412 and with this first connecting bridge 412 and is directly connected, the second sensing electrode 420 is also arranged at this substrate 44 and is directly connected with this auxiliary discharge structure 43, this insulation course 45 is arranged in this first connecting bridge 412, this second connecting bridge 422 is arranged on this insulation course 45 and by 2 second adjacent sensing electrodes 420 and connects.