CN107390938A - Touch-screen and its manufacture method - Google Patents
Touch-screen and its manufacture method Download PDFInfo
- Publication number
- CN107390938A CN107390938A CN201710651977.3A CN201710651977A CN107390938A CN 107390938 A CN107390938 A CN 107390938A CN 201710651977 A CN201710651977 A CN 201710651977A CN 107390938 A CN107390938 A CN 107390938A
- Authority
- CN
- China
- Prior art keywords
- electrode
- touch
- screen
- outer peripheral
- insulating barrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The present invention relates to a kind of touch-screen and its manufacture method.Touch-screen includes substrate,First electrode,First peripheral wiring,Insulating barrier,Second electrode and the second peripheral wiring,Touch-screen is also divided into touch area,First outer peripheral areas,And second outer peripheral areas,First electrode includes the first main part positioned at touch area and the first engagement pad positioned at the first outer peripheral areas,First peripheral wiring is arranged on substrate,First peripheral wiring includes the first connection gasket of the first engagement pad of connection,Second connection gasket and the first cabling portion,Second peripheral wiring is arranged on the substrate and is located at the second outer peripheral areas,Second peripheral wiring includes the 3rd connection gasket,4th connection gasket and the second cabling portion,Insulating barrier corresponds to touch area and the first outer peripheral areas and is arranged at substrate,First electrode,In the first cabling portion of first connection gasket and at least part,Second electrode is arranged on insulating barrier and overlapped with first electrode insulation,Second electrode is also connected with the 3rd connection gasket.
Description
Technical field
The present invention relates to a kind of touch-screen and its manufacture method.
Background technology
At present, touch-screen has been widely used in the display device of various electronic products, is touched in order to which user utilizes
Prosecutor formula manipulates the start of the electronic product.Touch-screen is in order that the electrode of its touch area is not easy by depending on recognizing, generally use oxygen
Change indium tin (Indium Tin Oxides, ITO) to form transparent touch electrode, touch-screen, which generally comprises, to be extended in a first direction
First electrode and extension and the second electrode overlapping with first electrode insulation in a second direction.
In a kind of touch-screen of single conductive layer (Single ITO, also referred to as SITO) framework, the first electrode and institute
State second electrode and be arranged on same layer, but insulated in intersection by insulating barrier, wherein the second electrode is located at described first
Two parts of electrode both sides can be connected by insulating barrier through hole or be overlapped by metal bridge, however, either insulating barrier
Through hole connection or metal bridge overlap joint, it is required for by both sides contraposition exposure (once contraposition exposure and gold as formed insulating barrier
Belong to the once contraposition exposure of bridge) processing procedure, cause the cumulative limit of double exposure larger, so as to easily cause the second electrode
The bad connection of two parts, reduce the yield of the touch-screen.Further, the substrate of touch-screen is in insulating barrier heat cure system
Cheng Keneng causes base material to shrink, and then it is tired gold-tinted contraposition easily occur in follow-up insulating barrier through hole or the exposure manufacture process of metal bridge
Difficulty, more easily cause the problems such as overlap joint precision is bad, yield reduces.
The content of the invention
In view of this, it is necessary to which a kind of touch-screen for improving above-mentioned bad connection and yield issues and its manufacturer are provided
Method.
A kind of touch-screen, it includes substrate, first electrode, the first peripheral wiring, insulating barrier, second electrode and the second periphery
Cabling, the touch-screen are also divided into touch area, the first outer peripheral areas positioned at the side of touch area first, positioned at described
The side of touch area second and second outer peripheral areas adjacent with first outer peripheral areas, second outer peripheral areas include binding
Region, the first electrode are arranged on substrate and extended in a first direction, and the first electrode includes being located at the Touch Zone
First main part in domain and the described first main part one end of connection and positioned at the first engagement pad of first outer peripheral areas, it is described
First peripheral wiring is arranged on the substrate, and first peripheral wiring includes connecting the first connection of first engagement pad
Pad, the second connection gasket positioned at the binding region and be connected between first connection gasket and second connection gasket the
One cabling portion, second peripheral wiring are arranged on the substrate and are located at second outer peripheral areas, second periphery
Cabling includes the 3rd connection gasket, the 4th connection gasket positioned at the binding region and is connected to the 3rd connection gasket and described the
The second cabling portion between four connection gaskets, the insulating barrier correspond to the touch area and first outer peripheral areas and are arranged at
In the first electrode, first connection gasket and at least partly described first cabling portion, the second electrode is arranged at described
Extend on insulating barrier and along the second direction for being different from the first direction with overlapping with first electrode insulation, described second
Electrode is included positioned at the second main part of the touch area and the described second main part one end of connection and outside described second
Second engagement pad in region is enclosed, the second engagement pad of the second electrode and the 3rd connection gasket of second peripheral wiring connect
Connect.
In one embodiment, the insulating barrier and the direction of the vertical touch-screen in second outer peripheral areas edge
Projection is not overlapping.
In one embodiment, second outer peripheral areas also includes the contact zone for being arranged at second connection gasket
Domain, the insulating barrier includes the first opening of the corresponding binding region and the second opening of the corresponding contact area, described
Insulating barrier is also provided in the substrate, the first cabling portion and the second cabling portion of second outer peripheral areas.
In one embodiment, the quantity of first outer peripheral areas is two, described two first outer peripheral areas positions
Opposite sides in the touch area, the insulating barrier correspond to described two first outer peripheral areas and are arranged at described two
On first connection gasket of one outer peripheral areas and at least partly described first cabling portion.
In one embodiment, the first cabling portion, the second cabling portion include transparency conducting layer and with institute
State the metal level that transparency conducting layer is stacked.
In one embodiment, the transparency conducting layer is identical with the first electrode material and in the mask system with along with
Formed in journey.
In one embodiment, the thickness of the insulating barrier is less than or equal to 10um.
In one embodiment, the insulating barrier includes the bottom surface of the neighbouring substrate and the side of the connection bottom surface
Face, the angle of inclination between the bottom surface and the side are less than 90 degree.
In one embodiment, first main part includes multiple first electrode portions arranged along the first direction
And the first connecting bridge between two neighboring first electrode portion is connected to, second main part includes multiple along the second party
To the second electrode portion of arrangement and the second connecting bridge being connected between two neighboring second electrode portion, the first electrode portion with
Not overlapping perpendicular to the direction of the touch-screen, first connecting bridge exists with second connecting bridge in the second electrode portion
Perpendicular to the direction of the touch-screen, insulation is intersecting.
In one embodiment, if the processing procedure exposure aligning precision of the first electrode and the second electrode is K, K
Less than or equal to 100um, if the spacing between the first electrode portion and adjacent two second electrode portions is respectively a and b,
And 0 ≦ ∣ a-b ∣≤2K.
A kind of manufacture method of above-mentioned touch-screen, it comprises the following steps：
The substrate is provided；
The first electrode is formed on the substrate with the transparency conducting layer and in the transparency conducting layer and described
The metal level is formed in first engagement pad of first electrode；
The insulating barrier is formed in the first electrode and the metal level, and the insulating barrier is connected with the described 3rd
Direction of the pad along the vertical touch-screen at least part is not overlapping；And
The second electrode is formed on the insulating barrier and on the 3rd connection gasket, the second of the second electrode connects
Touch pad overlaps with the 3rd connection gasket.
Compared to prior art, in touch-screen of the invention and manufacture method, the first electrode and the second electrode
Different layers are arranged at, and the insulating barrier corresponds to the touch area and first outer peripheral areas and is arranged at first electricity
In pole, first connection gasket and at least partly described first cabling portion, the second electrode is arranged at the insulating barrier and institute
State on the 3rd connection gasket so that via hole need not be set in touch area for the insulating barrier and the second electrode is without setting
Extra metal bridge, and then be not easy occurring because of the problems such as overlap joint caused by via hole and metal bridge is bad, yield reduces.
Brief description of the drawings
Fig. 1 is the planar structure schematic diagram of the touch-screen of first embodiment of the invention.
Fig. 2 is the diagrammatic cross-section of II-II along Fig. 1.
Fig. 3 is the diagrammatic cross-section of III-III along Fig. 1.
Fig. 4 is the planar structure schematic diagram of the touch-screen of second embodiment of the invention.
Fig. 5 is the diagrammatic cross-section of V-V along Fig. 4.
Fig. 6 is the diagrammatic cross-section of VI-VI along Fig. 1.
Fig. 7 is the flow chart of the manufacture method of inventive touch screen.
Main element symbol description
Touch-screen 10,20
Substrate 11,21
First electrode 12,22
First peripheral wiring 13,23
Second peripheral wiring 14,24
Insulating barrier 15,25
Second electrode 16,26
Touch area 10a, 20a
First outer peripheral areas 10b, 20b
Second outer peripheral areas 10c, 20c
Binding region 10d, 20d
Contact area 10e, 20e
First main part 121,221
First engagement pad 122,222
First electrode portion 123,223
First connecting bridge 124,224
First connection gasket 131,231
Second connection gasket 132,232
First cabling portion 133,233
3rd connection gasket 141,241
4th connection gasket 142,242
Second cabling portion 143,243
Transparency conducting layer 134,234
Metal level 135,235
Bottom surface 151,251
Side 152,252
Second main part 161,261
Second engagement pad 162,262
Second electrode portion 163,263
Second connecting bridge 164,264
First direction X
Second direction Y
First opening 253
Second opening 254
Step S1-S4
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Fig. 1, Fig. 2 and Fig. 3 are referred to, Fig. 1 is the planar structure schematic diagram of the touch-screen 10 of first embodiment of the invention,
Fig. 2 is the diagrammatic cross-section of II-II along Fig. 1, and Fig. 3 is the diagrammatic cross-section of III-III along Fig. 1.The touch-screen 10 wraps
Include substrate 11, first electrode 12, the first peripheral wiring 13, the second peripheral wiring 14, insulating barrier 15 and second electrode 16.
The touch-screen 10 is also divided into touch area 10a, the first external zones positioned at the sides of touch area 10a first
Domain 10b, positioned at the sides of touch area 10a second and the second outer peripheral areas 10c adjacent with the first outer peripheral areas 10b.
In present embodiment, the quantity of the first outer peripheral areas 10b is two, and described two first outer peripheral areas 10b are positioned at described
Touch area 10a opposite sides, the second outer peripheral areas 10c connections touch area 10a and first external zones
Domain 10b the same side.Specifically, the second outer peripheral areas 10b includes binding region 10d and contact area 10e, the binding
Region 10d is used to electrically connect external circuit (such as connecting external circuit via flexible circuit board), and the contact area 10e is used to make
The second electrode 16 overlaps with second peripheral wiring 14.
The substrate 11 can be transparency carrier, and its material can be with glass, sapphire, transparent resin (such as PET material), thoroughly
One kind in bright ceramics, but it is not limited to above-mentioned material.
The first electrode 12 is arranged on substrate 11 and X extends in the first direction, and the first electrode 12 includes being located at
The first main part 121 of the touch area 10a and the described one end of first main part 121 of connection and it is located at first external zones
Domain 10b the first engagement pad 122.First main part 121 includes multiple first electrode portions arranged along the first direction X
123 and the first connecting bridge 124 for being connected between two neighboring first electrode portion 123.The shape in the first electrode portion 123 can
Think rhombus, circle etc. but be not limited to above-mentioned shape.First connecting bridge 124 can be vertical bar shaped, and its width is less than described
The width in first electrode portion 123.The material of the first electrode 12 can be transparent conductive material, such as tin indium oxide (Indium
Tin Oxides, ITO).It is appreciated that the quantity of the first electrode 12 can be multiple, between the multiple first electrode 12
Every setting and extending along the first direction X, the spacing for the first electrode 12 that arbitrary neighborhood is two can be equal.
First peripheral wiring 13 is arranged on the substrate 11, for connecting a corresponding first electrode 12.It is described
The quantity of first peripheral wiring 13 can be consistent with the quantity of the first electrode 12, so as to which each first electrode 12 is all connected with one
Corresponding one first peripheral wiring 13.Specifically, first peripheral wiring 13 includes connecting first engagement pad 122 and position
The first connection gasket 131 in the first outer peripheral areas 10b, the second connection gasket 132 positioned at the binding region 10d and connection
The first cabling portion 133 between first connection gasket 131 and second connection gasket 132.It is appreciated that described first walks
The part in line portion 133 is located at the first outer peripheral areas 10b, and another part is located at the second outer peripheral areas 10c.
Second peripheral wiring 14 is arranged on the substrate 11 and is located at the second outer peripheral areas 10c, for even
A second electrode 16 corresponding to connecing.The quantity of second peripheral wiring 14 can be consistent with the quantity of the second electrode 16,
So as to which each second electrode 16 is all connected with one second peripheral wiring 14 corresponding to one.Specifically, second peripheral wiring 14 wraps
Include the 3rd connection gasket 141 positioned at the contact area 10e, the 4th connection gasket 142 positioned at the binding region 10d and connection
The second cabling portion 143 between the 3rd connection gasket 141 and the 4th connection gasket 142.
The first cabling portion 133, the second cabling portion 143 include transparency conducting layer 134 and transparent led with described
The metal level 135 that electric layer 134 is stacked.It (is such as oxygen that the transparency conducting layer 134 is identical with the material of first electrode 12
Change indium tin material) and can be formed in the mask processing procedure with along with.Specifically, the transparency conducting layer 134 can be located at described
Between substrate 11 and the metal level 14.The material of the metal level 135 can be lighttight metal material, such as include silver,
The relatively low metal material of the impedances such as copper, aluminium.
The corresponding touch area 10a and the first outer peripheral areas 10b of the insulating barrier 15 and it is arranged at described first
It is specifically, described on electrode 12, first connection gasket 131, at least partly described first cabling portion 133 and the substrate 11
Insulating barrier 15 can be completely covered the touch area 10a and the first outer peripheral areas 10b and by the first electrode 12, institute
The first connection gasket 131 and part the first cabling portion 133 for stating the first outer peripheral areas 10b cover.It is described in present embodiment
Insulating barrier 15 is not overlapping with the projection in directions of the second outer peripheral areas 10c along the vertical touch-screen 10, such as can be just
Connect or there is predetermined space, so as to which second peripheral wiring 14 can be both exposed to outside the insulating barrier 15.
The touch-screen 10 can include two the first outer peripheral areas 10b positioned at the touch area 10a opposite sides,
The insulating barrier 15 be completely covered the touch area 10a and described two first outer peripheral areas 10b the first electrode 12,
In the first connection gasket 131 and part the first cabling portion 133 of the first outer peripheral areas 10b.Further, the insulation
The size of layer 15 can be substantially equal sized with the substrate 11, or the size of slightly less than described substrate 11.It is described exhausted
Edge layer 15 can include the bottom surface 151 of the neighbouring substrate 11 and the side 152 of the connection bottom surface 151, the bottom surface 151 with
Angle of inclination between the side 152 is less than 90 degree.The thickness of the insulating barrier 15 is less than or equal to 10um.The insulating barrier 15
Material be transparent insulation material, such as optical cement (OC) or thermoplastic elastomers' material (TPF) etc..
The second electrode 16 is arranged on the insulating barrier 15 and the substrate 11 and edge is different from the first direction X
Second direction Y extend with overlapping with the first electrode 12 insulation, the second electrode 16 includes the second main part 161 and the
Two engagement pads 162, second main part 161 correspond to the touch area 10a and on the insulating barriers 15, and described second
Engagement pad 162 connects one end of second main part 161 and on the substrate of the second outer peripheral areas 10b, and described the
One end that two engagement pads 162 connect second main part 161 connects the insulating barrier via the side 152 of the insulating barrier 15
Second main part 161 on 15.Second engagement pad 162 also extends to the contact area 10e and connected with the described 3rd
Connection pad 141 connects, so as to which the second electrode 16 is connected to second peripheral wiring 14, in present embodiment, and described second
Second engagement pad 162 of electrode 16 is overlapped so as to electrically connect with the 3rd connection gasket 141 of second peripheral wiring 14.Wherein,
The first direction X can be vertical with the second direction Y.
Second main part 161 includes multiple second electrode portions 163 arranged along the second direction Y and is connected to phase
The second connecting bridge 164 between adjacent two second electrode portions 163, the first electrode portion 123 and the second electrode portion 163 exist
Not overlapping perpendicular to the direction of the touch-screen 10, first connecting bridge 124 is with second connecting bridge 164 perpendicular to institute
The direction insulation for stating touch-screen 10 is intersecting.The shape in the second electrode portion 163 can be rhombus, circle etc. but be not limited to above-mentioned
Shape.Second connecting bridge 164 can be vertical bar shaped, and its width is less than the width in the second electrode portion 163.Described second
The material of electrode 16 can be transparent conductive material, such as tin indium oxide (Indium Tin Oxides, ITO).It is appreciated that institute
The quantity for stating second electrode 16 can be multiple, and the multiple second electrode 16 is arranged at intervals and prolonged along the second direction Y
Stretch and insulated with the multiple first electrode 12 at first connecting bridge 124 with second connecting bridge 164 and intersected, arbitrarily
The spacing of two neighboring second electrode 16 can be equal.
Further, in present embodiment, if the processing procedure exposure aligning of the first electrode 12 and the second electrode 16
Precision is K, and K is less than or equal to 100um, if between the first electrode portion 123 and adjacent two second electrode portions 163
Spacing is respectively a and b, wherein 0 ≦ ∣ a-b ∣≤2K.
Fig. 4, Fig. 5 and Fig. 6 are referred to, Fig. 4 is the planar structure schematic diagram of the touch-screen 20 of second embodiment of the invention,
Fig. 5 is the diagrammatic cross-section of V-V along Fig. 4, and Fig. 6 is the diagrammatic cross-section of VI-VI along Fig. 1.The touch-screen 20 includes base
Plate 21, first electrode 22, the first peripheral wiring 23, insulating barrier 25, the peripheral wiring 24 of second electrode 26 and second.
The touch-screen 20 is also divided into touch area 20a, the first external zones positioned at the sides of touch area 20a first
Domain 20b, positioned at the sides of touch area 20a second and the second outer peripheral areas 20c adjacent with the first outer peripheral areas 20b.
In present embodiment, the quantity of the first outer peripheral areas 20b is two, and described two first outer peripheral areas 20b are positioned at described
Touch area 20a opposite sides, the second outer peripheral areas 20c connections touch area 20a and first external zones
Domain 20b the same side.Specifically, the second outer peripheral areas 20a includes binding region 20d and contact area 20e, the binding
Region 20d is used to electrically connect external circuit (such as connecting external circuit via flexible circuit board), and the contact area 20e is used for will
The second electrode 16 overlaps with second peripheral wiring 14.
The substrate 21 can be transparency carrier, and its material can be with glass, sapphire, transparent resin (such as PET material), thoroughly
One kind in bright ceramics, but it is not limited to above-mentioned material.
The first electrode 22 is arranged on substrate 21 and X extends in the first direction, and the first electrode 22 includes being located at
The first main part 221 of the touch area 20a and the described one end of first main part 221 of connection and it is located at first external zones
Domain 20b the first engagement pad 222.First main part 221 includes multiple first electrode portions arranged along the first direction X
223 and the first connecting bridge 224 for being connected between two neighboring first electrode portion 223.The shape in the first electrode portion 223 can
Think rhombus, circle etc. but be not limited to above-mentioned shape.First connecting bridge 224 can be vertical bar shaped, and its width is less than described
The width in first electrode portion 223.The material of the first electrode 22 can be transparent conductive material, such as tin indium oxide (Indium
Tin Oxides, ITO).It is appreciated that the quantity of the first electrode 22 can be multiple, between the multiple first electrode 22
Every setting and extending along the first direction X, the spacing for the first electrode 22 that arbitrary neighborhood is two can be equal.
First peripheral wiring 23 is arranged on the substrate 21, for connecting a corresponding first electrode 22.It is described
The quantity of first peripheral wiring 23 can be consistent with the quantity of the first electrode 22, so as to which each first electrode 22 is all connected with one
Corresponding one first peripheral wiring 23.Specifically, first peripheral wiring 23 includes connecting first engagement pad 222 and position
The first connection gasket in the first outer peripheral areas 20b, the second connection gasket 232 positioned at the binding region 20d and it is connected to
The first cabling portion 233 between first connection gasket 231 and second connection gasket 232.It is appreciated that first cabling
The part in portion 233 is located at the first outer peripheral areas 20b, and another part is located at the second outer peripheral areas 20c.
Second peripheral wiring 24 is arranged on the substrate 21 and is located at the second outer peripheral areas 20c, for even
A second electrode 26 corresponding to connecing.The quantity of second peripheral wiring 24 can be consistent with the quantity of the second electrode 26,
So as to which each second electrode 26 is all connected with one second peripheral wiring 24 corresponding to one.Specifically, second peripheral wiring 24 wraps
Include the 3rd connection gasket 241 positioned at the contact area 20e, the 4th connection gasket 242 positioned at the binding region 20d and connection
The second cabling portion 243 between the 3rd connection gasket 241 and the 4th connection gasket 242.
The first cabling portion 233, the second cabling portion 243, first connection gasket 231 and second connection
Pad 232 includes transparency conducting layer 234 and the metal level 235 being stacked with the transparency conducting layer 234.The electrically conducting transparent
Layer 234 (being such as indium tin oxide material) identical with the material of first electrode 21 and can in the mask processing procedure with along with shape
Into.Specifically, the transparency conducting layer 234 can be between the substrate 21 and the metal level 235.The metal level
235 material can be lighttight metal material, such as including the relatively low metal material of silver, copper, aluminium impedance.
The insulating barrier 25 corresponding touch area 20a, the first outer peripheral areas 20b and second outer peripheral areas
20c, and the insulating barrier 25 is arranged at the first electrode 22, first connection gasket 231, the first cabling portion 233, institute
State on the second cabling portion 243 and the substrate 11, the insulating barrier 25 includes the corresponding binding region 20d the first opening
The 253 and corresponding contact area 20e the second opening 254.First opening 253 is used to that the binding region will to be located at
20d the second connection gasket 232 and the 4th connection gasket 242 exposes, to connect the element of flexible circuit board.Second opening 254
For will be exposed positioned at the 3rd connection gasket 241 of the contact area 20e, to cause the 3rd connection gasket 241 to connect
The second electrode 26.
Further, in present embodiment, the touch-screen 20 can include being located at the touch area 20a opposite sides
Two the first outer peripheral areas 20b, the touch area 20a and described two first external zones is completely covered in the insulating barrier 25
The domain 20b first electrode 22, the first connection gasket 231 of the first outer peripheral areas 20b and part the first cabling portion
On 233.Further, the size of the insulating barrier 25 can be substantially equal sized with the substrate 21, or slightly less than
The size of the substrate.The insulating barrier 25 can include the bottom surface 251 of the neighbouring substrate 21 and connect the bottom surface 251
Side 252, the angle of inclination between the bottom surface 251 and the side 252 are less than 90 degree.The thickness of the insulating barrier 25 is less than
Equal to 10um.The material of the insulating barrier 25 is transparent insulation material, such as optical cement (OC) or thermoplastic elastomers' material (TPF)
Deng.
The second electrode 26 is arranged on the insulating barrier 25 and edge is different from the second direction Y of the first direction X
With overlapping with the first electrode 22 insulation, the second electrode 26 includes the second main part 261 and the second engagement pad for extension
262, second main part 261 corresponds to the touch area 20a and on the insulating barrier 25, second engagement pad
262 connect described one end of second main part 261 and on the substrate 21 of the second outer peripheral areas 20c, and described second
One end that engagement pad 262 connects second main part 261 connects the insulating barrier 25 via the side 252 of the insulating barrier 25
On second main part 261.Second engagement pad 262 also extends to the contact area 20e and is connected with the described 3rd
Pad 241 connects, so as to which the second electrode 26 is connected to second peripheral wiring 24, in present embodiment, and second electricity
Second engagement pad 262 of pole 26 overlaps with the 3rd connection gasket 241 of second peripheral wiring 24 at the described first opening 253
So as to electrically connect.Wherein, the first direction X can be vertical with the second direction Y.
Second main part 261 includes multiple second electrode portions 263 arranged along the second direction Y and is connected to phase
The second connecting bridge 264 between adjacent two second electrode portions 263, the first electrode portion 223 and the second electrode portion 263 exist
Not overlapping perpendicular to the direction of the touch-screen 20, first connecting bridge 224 is with second connecting bridge 264 perpendicular to institute
The direction insulation for stating touch-screen 20 is intersecting.The shape in the second electrode portion 263 can be rhombus, circle etc. but be not limited to above-mentioned
Shape.Second connecting bridge 264 can be vertical bar shaped, and its width is less than the width in the second electrode portion 263.Described second
The material of electrode 26 can be transparent conductive material, such as tin indium oxide (Indium Tin Oxides, ITO).It is appreciated that institute
The quantity for stating second electrode 26 can be multiple, and the multiple second electrode 26 is arranged at intervals and prolonged along the second direction Y
Stretch and insulated with the multiple first electrode 22 at first connecting bridge 224 with second connecting bridge 264 and intersected, arbitrarily
The spacing of two neighboring second electrode 26 can be equal.
Further, in present embodiment, if the processing procedure exposure aligning of the first electrode 22 and the second electrode 26
Precision is K, and K is less than or equal to 100um, if between the first electrode portion 223 and adjacent two second electrode portions 263
Spacing is respectively a and b, wherein 0 ≦ ∣ a-b ∣≤2K.
Referring to Fig. 7, Fig. 7 is the flow chart of the manufacture method of inventive touch screen.Specifically, the manufacture method can be with
For forming the touch-screen 10,20 in above-mentioned first embodiment and second embodiment, it comprises the following steps S1-S5.
Step S1, there is provided substrate.
The substrate can be substrate 11 in first embodiment and second embodiment in any one embodiment or
21, its structure that here is omitted.
Step S2, first electrode is formed on the substrate with transparency conducting layer and in the transparency conducting layer and described
The first peripheral wiring and the second peripheral wiring are formed in first engagement pad of first electrode.
The first electrode, transparency conducting layer and metal level can be any in first embodiment and second embodiment
First electrode 12,22 and transparency conducting layer 134,234 and metal level 135,235 in one embodiment, here is omitted its
Structure.Specifically, the step S2 may comprise steps of：
The first transparent conductive material layer is formed on the substrate 11,21；
Metal material layer is formed on first transparent conductive material layer；
The first photoresist layer is formed on the metal material layer；
Use predetermined mask pattern to be exposed first photoresist layer, develop to etch the first electrically conducting transparent material
The bed of material and metal material layer are so as to forming the first electrode 11,21, the transparency conducting layer 134,234 and positioned at described first
Electrode 11,21, the metal level 135,235 on the transparency conducting layer 134,234；
Remove first photoresist layer；
The second photoresist layer is formed on the metal level 135,235 and the substrate 11,21；
Predetermined mask pattern is used to be exposed second photoresist layer, develop is located at the first electrode to etch
11st, the metal level 135,235 on 21 is so as to forming first peripheral wiring 13,23 and second peripheral wiring 14,24；And
Remove second photoresist layer.
Step S3, the shape on the first electrode, first peripheral wiring, second peripheral wiring and the substrate
Into insulating barrier, and the insulating barrier and direction of the 3rd connection gasket of second peripheral wiring along the vertical touch-screen are at least
There is part not overlapping.
The step S3 may comprise steps of：In the first electrode 12, the metal level 135,235 and the base
Dry film photoresistance is formed on plate 11,21, whole face exposure is carried out to the dry film photoresistance, development, baking form the insulating barrier 15,
25。
Specifically, in the first embodiment, outside the corresponding touch area 10a and described first of the insulating barrier 15
Enclose region 10b and be arranged at the first electrode 12, first connection gasket 131, at least partly the first cabling portion 133 and
On the substrate 11, specifically, the touch area 10a and first outer peripheral areas can be completely covered in the insulating barrier 15
10b and by the first electrode 12, the first connection gasket 131 of the first outer peripheral areas 10b and part the first cabling portion
133 coverings.In present embodiment, the insulating barrier 15 and sides of the second outer peripheral areas 10c along the vertical touch-screen 10
To projection it is not overlapping, such as can just connect or there is predetermined space, so as to which second peripheral wiring 14 can expose
In outside the insulating barrier 15.It is appreciated that the specific structural features on the insulating barrier 15 have been retouched in the first embodiment
State, here is omitted.
In second of embodiment, the corresponding touch area 20a of the insulating barrier 25, first outer peripheral areas
20b and the second outer peripheral areas 20c, and the insulating barrier 25 is arranged at the first electrode 22, first connection gasket
231st, on the first cabling portion 233, the second cabling portion 243 and the substrate 11, the insulating barrier 25 includes corresponding institute
State binding region 20d the first opening 253 and the corresponding contact area 20e the second opening 254.First opening 253
For will be exposed positioned at the second connection gasket 232 of the binding region 20d with the 4th connection gasket 242, to connect flexible circuit board
Element.Second opening 254 is used to expose positioned at the 3rd connection gasket 241 of the contact area 20e, to cause
3rd connection gasket 241 connects the second electrode 26.In the second embodiment, it will be understood that on the insulation
The specific structural features of layer 25 describe in this second embodiment, and here is omitted.
Step S4, forms second electrode on the insulating barrier and on the 3rd connection gasket, and the of the second electrode
Two engagement pads overlap with the 3rd connection gasket.
The step S4 may comprise steps of：
The second transparent conductive material layer is formed on the insulating barrier 15,25 and the 3rd connection gasket 241；
The 3rd photoresist layer is formed on second transparent conductive material layer；
Predetermined mask pattern is used to be exposed, develop to etch the second electrically conducting transparent material to the 3rd photoresist layer
The bed of material is so as to forming the second electrode 16,26；And
Remove the 3rd photoresist layer.
It is appreciated that specific structural features on the second electrode 16,26 are in the first and the second embodiments
Description, here is omitted.
Compared to prior art, in touch-screen 10,20 of the invention and manufacture method, the first electrode 12,22 and institute
State second electrode 16,26 and be arranged at different layers, and the insulating barrier 15,25 corresponding described touch area 10a, 20a and described the
One outer peripheral areas 10b, 20b and it is arranged at the first electrode 12,22, first connection gasket 131,231 and at least part institute
State in the first cabling portion 133,233, the second electrode 16,26 is arranged at the insulating barrier 15,25 and the 3rd connection gasket
141st, on 241 so that the insulating barrier 15,25 touch area 10a, 20a need not set via hole and the second electrode 16,
26 without the extra metal bridge of setting, and then is not easy occurring because overlap joint caused by via hole and metal bridge is bad, yield drop
Low problem.
Certainly, the invention is not limited in embodiment disclosed above, the present invention can also be to be carried out to above-described embodiment
Various changes.As long as those skilled in the art is appreciated that within the spirit of the present invention, to above example institute
The appropriate change and change made all fall within the scope of protection of present invention.
Claims (11)
1. a kind of touch-screen, it includes substrate, first electrode, the first peripheral wiring, insulating barrier, second electrode and the second periphery and walked
Line, the touch-screen are also divided into touch area, the first outer peripheral areas positioned at the side of touch area first, touched positioned at described
Area second side and second outer peripheral areas adjacent with first outer peripheral areas are controlled, second outer peripheral areas includes binding area
Domain, the first electrode are arranged on substrate and extended in a first direction, and the first electrode includes being located at the touch area
The first main part and described first main part one end of connection and positioned at the first engagement pad of first outer peripheral areas, described the
One peripheral wiring is arranged on the substrate, and first peripheral wiring includes connecting the first connection of first engagement pad
Pad, the second connection gasket positioned at the binding region and be connected between first connection gasket and second connection gasket the
One cabling portion, second peripheral wiring are arranged on the substrate and are located at second outer peripheral areas, second periphery
Cabling includes the 3rd connection gasket, the 4th connection gasket positioned at the binding region and is connected to the 3rd connection gasket and described the
The second cabling portion between four connection gaskets, it is characterised in that：The insulating barrier corresponds to the touch area and first periphery
Region and it is arranged at the first electrode, first connection gasket and at least partly in the first cabling portion, second electricity
Pole is arranged on the insulating barrier and extended along the second direction for being different from the first direction to be insulated with the first electrode
Overlapping, the second electrode includes the second main part and the described second main part one end of connection and position positioned at the touch area
In the second engagement pad of second outer peripheral areas, the of the second engagement pad of the second electrode and second peripheral wiring
Three connection gaskets connect.
2. touch-screen as claimed in claim 1, it is characterised in that：The insulating barrier and second outer peripheral areas are along vertical institute
The projection for stating the direction of touch-screen is not overlapping.
3. touch-screen as claimed in claim 1, it is characterised in that：Second outer peripheral areas also includes being arranged at described second
The contact area of connection gasket, the insulating barrier include the first opening of the corresponding binding region and correspond to the contact area
Second opening, the insulating barrier are also provided at the substrate of second outer peripheral areas, the first cabling portion and described the
In two cabling portions.
4. touch-screen as claimed in claim 1, it is characterised in that：The quantity of first outer peripheral areas be two, described two
Individual first outer peripheral areas is located at the opposite sides of the touch area, the insulating barrier correspond to described two first outer peripheral areas and
It is arranged on first connection gasket and at least partly described first cabling portion of described two first outer peripheral areas.
5. touch-screen as claimed in claim 1, it is characterised in that：The first cabling portion, the second cabling portion include
Transparency conducting layer and the metal level being stacked with the transparency conducting layer.
6. touch-screen as claimed in claim 5, it is characterised in that：The transparency conducting layer is identical with the first electrode material
And formed in the mask processing procedure with along with.
7. touch-screen as claimed in claim 1, it is characterised in that：The thickness of the insulating barrier is less than or equal to 10um.
8. touch-screen as claimed in claim 1, it is characterised in that：The insulating barrier includes bottom surface and the company of the neighbouring substrate
The side of the bottom surface is connect, the angle of inclination between the bottom surface and the side is less than 90 degree.
9. touch-screen as claimed in claim 1, it is characterised in that：First main part includes multiple along the first direction
The first electrode portion of arrangement and the first connecting bridge being connected between two neighboring first electrode portion, second main part include
Multiple second electrode portions arranged along the second direction and the second connecting bridge being connected between two neighboring second electrode portion,
The first electrode portion and the second electrode portion not overlapping perpendicular to the direction of the touch-screen, first connecting bridge with
Second connecting bridge is intersecting perpendicular to the insulation of the direction of the touch-screen.
10. touch-screen as claimed in claim 9, it is characterised in that：If the processing procedure of the first electrode and the second electrode
Exposure aligning precision is K, and K is less than or equal to 100um, if between the first electrode portion and adjacent two second electrode portions
Spacing be respectively a and b, and 0 ≦ ∣ a-b ∣≤2K.
11. a kind of manufacture method of touch-screen as claimed in claim 5, it comprises the following steps：
The substrate is provided；
The first electrode is formed on the substrate with the transparency conducting layer and in the transparency conducting layer and described first
The metal level is formed in first engagement pad of electrode；
The insulating barrier, and the insulating barrier and the 3rd connection gasket edge are formed in the first electrode and the metal level
The direction of the vertical touch-screen at least part is not overlapping；And
The second electrode, the second engagement pad of the second electrode are formed on the insulating barrier and on the 3rd connection gasket
Overlapped with the 3rd connection gasket.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651977.3A CN107390938B (en) | 2017-08-02 | 2017-08-02 | Touch screen and manufacturing method thereof |
| TW106127910A TWI650687B (en) | 2017-08-02 | 2017-08-17 | Touch screen and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651977.3A CN107390938B (en) | 2017-08-02 | 2017-08-02 | Touch screen and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107390938A true CN107390938A (en) | 2017-11-24 |
| CN107390938B CN107390938B (en) | 2020-12-08 |
Family
ID=60343695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710651977.3A Active CN107390938B (en) | 2017-08-02 | 2017-08-02 | Touch screen and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107390938B (en) |
| TW (1) | TWI650687B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132732A (en) * | 2018-01-31 | 2018-06-08 | 武汉华星光电半导体显示技术有限公司 | A kind of touch screen and mobile terminal |
| CN108470759A (en) * | 2018-04-28 | 2018-08-31 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| CN108646955A (en) * | 2018-05-15 | 2018-10-12 | 业成科技（成都）有限公司 | Touch panel and its manufacturing method |
| CN110045871A (en) * | 2019-04-19 | 2019-07-23 | 业成科技（成都）有限公司 | Touch panel and the touch control display apparatus for applying it |
| CN111552406A (en) * | 2020-04-28 | 2020-08-18 | 南昌欧菲显示科技有限公司 | Preparation method of touch electrode |
| CN111552407A (en) * | 2020-04-29 | 2020-08-18 | 业成科技（成都）有限公司 | Electronic equipment, touch module and preparation method thereof |
| WO2020191696A1 (en) * | 2019-03-28 | 2020-10-01 | 京东方科技集团股份有限公司 | Touch control substrate, touch control device, and touch-control detection method |
| CN112416156A (en) * | 2019-08-23 | 2021-02-26 | 陕西坤同半导体科技有限公司 | Touch display panel and preparation method |
| CN113703610A (en) * | 2020-11-06 | 2021-11-26 | 友达光电股份有限公司 | Electronic device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976146A (en) * | 2010-10-12 | 2011-02-16 | 友达光电股份有限公司 | Method for manufacturing touch panel |
| CN102768586A (en) * | 2011-05-06 | 2012-11-07 | 许明松 | Touch panel and manufacturing method thereof |
| US20130181925A1 (en) * | 2012-01-18 | 2013-07-18 | Lg Innotek Co., Ltd. | Touch panel |
| CN104345955A (en) * | 2013-08-07 | 2015-02-11 | 恒颢科技股份有限公司 | Touch panel |
| CN106201145A (en) * | 2016-07-21 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of touch screen, its manufacture method and display device |
| CN106610754A (en) * | 2015-10-22 | 2017-05-03 | 恒颢科技股份有限公司 | Touch panel and manufacturing method thereof |
| CN106970724A (en) * | 2016-01-13 | 2017-07-21 | 三星显示有限公司 | Touch panel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236460B (en) * | 2010-04-28 | 2013-11-27 | 周正三 | Sensing device, mini-touch control device and producing method of sensing device |
| TWI446417B (en) * | 2012-07-13 | 2014-07-21 | Chunghwa Picture Tubes Ltd | Touch panel fabricating method |
| TWI512582B (en) * | 2013-08-30 | 2015-12-11 | Au Optronics Corp | Touch panel and touch display panel |
| TW201520836A (en) * | 2013-11-21 | 2015-06-01 | Wintek Corp | Touch panel |
-
2017
- 2017-08-02 CN CN201710651977.3A patent/CN107390938B/en active Active
- 2017-08-17 TW TW106127910A patent/TWI650687B/en active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976146A (en) * | 2010-10-12 | 2011-02-16 | 友达光电股份有限公司 | Method for manufacturing touch panel |
| CN102768586A (en) * | 2011-05-06 | 2012-11-07 | 许明松 | Touch panel and manufacturing method thereof |
| US20130181925A1 (en) * | 2012-01-18 | 2013-07-18 | Lg Innotek Co., Ltd. | Touch panel |
| CN104345955A (en) * | 2013-08-07 | 2015-02-11 | 恒颢科技股份有限公司 | Touch panel |
| CN106610754A (en) * | 2015-10-22 | 2017-05-03 | 恒颢科技股份有限公司 | Touch panel and manufacturing method thereof |
| CN106970724A (en) * | 2016-01-13 | 2017-07-21 | 三星显示有限公司 | Touch panel |
| CN106201145A (en) * | 2016-07-21 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of touch screen, its manufacture method and display device |
Non-Patent Citations (1)
| Title |
|---|
| 沈奕: "新型投射式电容触摸屏关键问题的研究", 《中国博士学位论文全文数据库 信息科技辑》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132732A (en) * | 2018-01-31 | 2018-06-08 | 武汉华星光电半导体显示技术有限公司 | A kind of touch screen and mobile terminal |
| CN108470759A (en) * | 2018-04-28 | 2018-08-31 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| CN108470759B (en) * | 2018-04-28 | 2022-05-13 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| CN108646955A (en) * | 2018-05-15 | 2018-10-12 | 业成科技（成都）有限公司 | Touch panel and its manufacturing method |
| WO2020191696A1 (en) * | 2019-03-28 | 2020-10-01 | 京东方科技集团股份有限公司 | Touch control substrate, touch control device, and touch-control detection method |
| US11073940B2 (en) | 2019-03-28 | 2021-07-27 | Mianyang Boe Optoelectronics Technology Co., Ltd. | Touch substrate, touch device and touch detection method |
| CN110045871A (en) * | 2019-04-19 | 2019-07-23 | 业成科技（成都）有限公司 | Touch panel and the touch control display apparatus for applying it |
| CN110045871B (en) * | 2019-04-19 | 2022-06-21 | 业成科技（成都）有限公司 | Touch panel and touch display device using same |
| CN112416156A (en) * | 2019-08-23 | 2021-02-26 | 陕西坤同半导体科技有限公司 | Touch display panel and preparation method |
| CN111552406A (en) * | 2020-04-28 | 2020-08-18 | 南昌欧菲显示科技有限公司 | Preparation method of touch electrode |
| CN111552407A (en) * | 2020-04-29 | 2020-08-18 | 业成科技（成都）有限公司 | Electronic equipment, touch module and preparation method thereof |
| CN113703610A (en) * | 2020-11-06 | 2021-11-26 | 友达光电股份有限公司 | Electronic device |
| CN113703610B (en) * | 2020-11-06 | 2023-04-11 | 友达光电股份有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107390938B (en) | 2020-12-08 |
| TW201910989A (en) | 2019-03-16 |
| TWI650687B (en) | 2019-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107390938A (en) | Touch-screen and its manufacture method | |
| TWI652607B (en) | Touch panel and touch display device using same | |
| CN106201145B (en) | A kind of touch screen, its production method and display device | |
| US9832861B2 (en) | Touch panel and manufacturing method thereof | |
| TWI603234B (en) | Touch sensor panel with in-plane backup bypass connections | |
| US9323370B2 (en) | Electrode sheet, touch panel, and display device | |
| CN106354299A (en) | Touch substrate, preparation method thereof and touch display device | |
| CN103367947A (en) | Connection structure | |
| CN103376927A (en) | Touch panel and production method | |
| CN101943970A (en) | Touch plane display panel and manufacture method thereof | |
| CN102799295A (en) | Touch device and touch display device | |
| TW201248478A (en) | Layout structure of capacitive touch panel and manufacturing method thereof | |
| CN109979907A (en) | Electronic product | |
| CN103376939A (en) | Touch panel, touch display panel and manufacture method of touch panel | |
| TWI657359B (en) | Touch apparatus | |
| WO2020258872A1 (en) | Touch sensing apparatus, touch display panel, and motherboard of touch display panel | |
| CN107577375A (en) | Touch-screen and its manufacture method | |
| US20210357078A1 (en) | Touch panel, manufacturing method thereof and display device | |
| JP3182005U (en) | Touch panel | |
| CN103576951B (en) | Contact panel, its manufacture method and display device thereof | |
| CN102279686B (en) | Capacitive touch panel and method for manufacturing same | |
| CN102306073B (en) | Capacitive touch panel and manufacturing method thereof | |
| TWI546716B (en) | Touch panels and fabrication methods thereof | |
| EP3070583A1 (en) | Touch panel and manufacturing method therefor, and touch display device | |
| CN102346614B (en) | Capacitance type touch panel and production method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |