CN103389814B - Touch base plate - Google Patents
Touch base plate Download PDFInfo
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- CN103389814B CN103389814B CN201210140162.6A CN201210140162A CN103389814B CN 103389814 B CN103389814 B CN 103389814B CN 201210140162 A CN201210140162 A CN 201210140162A CN 103389814 B CN103389814 B CN 103389814B
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- base plate
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Abstract
The invention discloses a kind of touch base plate, comprise plate-like substrate, most first, two sensing serial and patterned insulation layers, first sensing serial is horizontally arranged in base material and includes that majority is arranged in metal bridge wiring and first sensor pad of lateral connection adjacent metal bridging line of base material, second sensing serial is formed longitudinally in base material and becomes latticed with the first sensing serial and include into the second sensor pad between matrix arrangement interleaved DIYU the first sensor pad and the bridging structure of longitudinally connected second sensor pad of difference, patterned insulation layer is formed from base material and is folded between metal bridge wiring and bridging structure.The metal bridge wiring of the present invention is formed directly into substrate surface and is the most sequentially stacked patterned insulation layer, sensor pad and bridging structure, and then increases interelement adhesive force, and prevents patterned insulation layer from causing splitting in manufacturing process.
Description
Technical field
The present invention relates to a kind of touch base plate, particularly relate to the touch base plate that a kind of interelement adhesive force is good.
Background technology
Refering to Fig. 1, it is applied to the vertical view signal of a touch control screen 10 for the previous touch base plate of mesh 101
Figure, around this touch base plate of collar is the circuit structure 102 of this touch control screen.
Coordinating refering to Fig. 2, the local for Fig. 1 touch base plate regards intention.Traditional touch base plate includes one
Individual plate-like substrate 11, layer of transparent conductive layer 12, how several metal bridge wiring 13, and most pattern layers
Insulating barrier 14.
This transparency conducting layer 12 includes the most several being formed at this plate-like substrate 11 surface and becoming matrix arrangement
First sensor pad 121, the most several one-tenth matrix arrangement and respectively and described first sensor pad 121 interval second
Sensor pad 122, and the most several one-tenth longitudinal extension and respectively connect two adjacent second sensor pads 122 bridge joint knot
Structure 123.
Described metal bridge wiring 13 is open into extension and connects two adjacent first sensor pads 121 respectively, described
Patterned insulation layer 14 is folded between described metal bridge wiring 13 and described bridging structure 123 respectively incites somebody to action
Described bridging structure 123 is isolated with described metal bridge wiring 13.Described first sensor pad 121 and described gold
Belong to bridging line 13 equivalence and become several shapes in a row many and the sensing serial toward horizontal expansion, described second sensing
Pad 122 and described bridging structure 123 become several shapes in a row many and the sensing serial toward longitudinal extension, and
Described first sensor pad 121 electrically connects the circuit structure 10b in the external world with described second sensor pad 122.
Described patterned insulation layer 14 is total to the metal bridge wiring 13 of top and the bridging structure 123 of lower section
Most touch control capacitances arranged into an array are become with defining.
When pressing any of which touch control capacitance, the capacitance of this touch control capacitance produces change, and passes through
This circuit transmission is also converted to the signal of telecommunication.
When traditional touch base plate is combined into as touch controlled type display with liquid crystal screen, mainly will touch
The plate-like substrate of control substrate fits in the colored light-filtering touch base plate surface of liquid crystal screen.Colored light-filtering touch
The outermost layer of substrate is typically all glass plate-like base material with the plate-like substrate of the touch base plate that desire is fitted with it,
It is then all that the double glazing tabular base material as support applications causes display overweight and cost of manufacture after laminating
The shortcoming that cannot effectively reduce.
In order to solve the problems referred to above, develop the colored light-filtering touch utilizing completed liquid crystal screen at present
The outermost glass of substrate is as the plate-like substrate of touch base plate, and sequentially forms thereon and lead with transparent
The transparency conducting layer that electric material is constituted, the patterned insulation layer that constituted with dielectric material, and the gold patterned
Belong to bridging line.Wherein, can tolerate temperature owing to the packaging plastic of encapsulated liquid crystal screen is the highest and be less than 120 DEG C,
So the conductive material of touch base plate to be formed as, dielectric material, and metal is all necessary for low-temperature setting material
Material.Furthermore, described metal bridge wiring is to be initially formed one layer of comprehensive metal level, then by gold-tinted photoetching,
And unwanted part is removed by the manufacturing process such as wet etching being soaked in etchant, become several metals many
Bridging line.
But, due to loosely organized compared with glass of the structure of transparent conductive material, so transparent conductive material
Leaching is placed in the erosion resisting of metal etchants (such as aluminum etchant, the most also referred to as aluminic acid) less than glass
Erosion resisting, causes the patterned insulation layer constituted with the dielectric material of low-temperature setting such as Fig. 3 to lead with transparent
The degree of adhesion of the electrically conducting transparent interlayer that electric material is constituted is significantly lower than if Fig. 4 is with the dielectric material of low-temperature setting
Degree of adhesion between the patterned insulation layer of material composition and glass plate-like base material, results in patterned insulation layer
With the link edge of electrode slice or patterned insulation layer with bridging structure easily produce splitting (peeling) and
The phenomenon of warpage, the problem that the yield that causes touch base plate whole is low.
Summary of the invention
It is an object of the invention to provide the touch base plate that a kind of interelement adhesive force is good.
The touch base plate of the present invention, and comprising: one piece of plate-like substrate, majority ranked first sensing serial, many
Number ranked second sensing serial, and most pattern layers insulating barrier.
Described first sensing serial is transversely arranged to be formed in this plate-like substrate and includes that many several become matrix row
The metal bridge wiring that is formed on this base material of row ground, and the most several difference laterally connects two adjacent metal bridge
First sensor pad of wiring.
Described second sensing serial is formed longitudinally in this plate-like substrate and interlocks with described first sensing serial
Become latticed, be arranged in described first sensor pad respectively including the most several one-tenth matrix arrangement interleaved
Between the second sensor pad, and the bridging structure of longitudinally connected two adjacent second sensor pads of the most several difference.
Described patterned insulation layer is upwardly formed and is folded in described metal bridge wiring and bridge from this plate-like substrate
Between access node structure, and isolate described first sensing serial and this second sensing serial.
It is preferred that aforementioned touch base plate, wherein, each first sensor pad has body from level to level, and two
The connection post of two adjacent metal bridge wiring is extended to respectively from this layer of body.
It is preferred that aforementioned touch base plate, wherein, the main material of this plate-like substrate is glass, described figure
The solidification temperature of case insulating barrier is not more than 120 DEG C.
It is preferred that aforementioned touch base plate, wherein, described first sensor pad, described second sensor pad, and
Described bridging structure is transparent conductive material.
It is preferred that aforementioned touch base plate also comprises layer protective layer, this protective layer is formed from this plate-like substrate
And be coated with described first sensing serial with described second sense serial and be isolated from the outside.
Furthermore, another touch base plate of the present invention, comprise a plate-like substrate, majority ranked first sensing string
Row, majority ranked second sensing serial, and most pattern layers insulating barrier.
Serial is transversely arranged is formed in this plate-like substrate for described first sensing, and includes the most several one-tenth matrix
The first sensor pad being formed on this base material to arrangement, and how several the most laterally connect two adjacent first
First metal bridge wiring of sensor pad.
Described second sensing serial is formed longitudinally in this plate-like substrate and interlocks with described first sensing serial
Become latticed, and be arranged in described first sensing respectively with including the most several one-tenth matrix arrangement interleaved
The second sensor pad between pad, the most several it is longitudinally located in respectively between two adjacent second sensor pads and for described the
One metal bridge wiring intersects the bridging structure that bridges, and how several be electrically connected adjacent bridging structure with
Second metal bridge wiring of the second sensor pad.
Described patterned insulation layer from this plate-like substrate and is formed respectively with being coated with described bridging structure, and divides
Do not isolate described first sensing serial and described second sensing serial.
It is preferred that aforementioned touch base plate, wherein, described patterned insulation layer senses with described first respectively
Pad and described second sensor pad interval, each second metal bridge wiring has body from level to level, and one certainly should
Layer body extends to the connection post of immediate bridging structure.
It is preferred that aforementioned touch base plate, wherein, the main material of this plate-like substrate is glass, described figure
The solidification temperature of case insulating barrier is not more than 120 DEG C.
It is preferred that aforementioned touch base plate, wherein, described first sensor pad, described second sensor pad, and
Described bridging structure is transparent conductive material.
It is preferred that aforementioned touch base plate also comprises layer protective layer, this protective layer is formed from this plate-like substrate
And be coated with described first sensing serial with described second sense serial and be isolated from the outside.
Another, the touch base plate of the present invention, comprise one piece of plate-like substrate, majority ranked first sensing serial,
Majority ranked second sensing serial, and most pattern layers insulating barrier.
Serial is transversely arranged is formed in this plate-like substrate for described first sensing, and includes the most several one-tenth matrix
The first sensor pad being formed on this base material to arrangement, and how several the most laterally connect two adjacent first
The metal bridge wiring of sensor pad.
Described second sensing serial is formed longitudinally in this plate-like substrate and interlocks with described first sensing serial
Become latticed, and be arranged in described first sensing respectively with including the most several one-tenth matrix arrangement interleaved
The second sensor pad between pad, and the bridging structure of longitudinally connected two adjacent second sensor pads of the most several difference.
Described patterned insulation layer includes being folded between described bridging structure and described metal bridge wiring respectively
For described bridging structure and the layer body at described metal bridge wiring interval, and how several are respectively formed in this tabular
On base material and independently extend to gap between the first adjacent sensor pad and the second sensor pad from this layer of body
Extension.
It is preferred that aforementioned touch base plate, wherein, each patterned insulation layer has four extensions, two
The long between centers sandwiched of the adjacent extension angle not less than 60 °.
It is preferred that aforementioned touch base plate, wherein, the main material of this plate-like substrate is glass, described figure
The solidification temperature of case insulating barrier is not more than 120 DEG C.
It is preferred that aforementioned touch base plate, wherein, described first sensor pad, described second sensor pad, and
Described bridging structure is transparent conductive material.
It is preferred that aforementioned touch base plate also comprises layer protective layer, this protective layer is formed from this plate-like substrate
And be coated with described first sensing serial with described second sense serial and be isolated from the outside.
The beneficial effects of the present invention is: by increasing patterned insulation layer and contacting between this plate-like substrate
Area, and the edge of described patterned insulation layer is linked to the structure of this plate-like substrate completely, increases pattern
Change the adhesive force between insulating barrier and plate-like substrate, and then promote the reliability that touch base plate is overall.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes of the application
Point, it is not intended that limitation of the invention.In the accompanying drawings:
Fig. 1 is a schematic top plan view, and a conventional touch control screen is described；
Fig. 2 is a local schematic top plan view, and a conventional touch base plate is described；
Fig. 3 is a SEM figure, illustrates to be prone to when patterned insulation layer is formed on loosely organized electrode slice
Edge produces the phenomenon of warpage；
Fig. 4 is a SEM figure, illustrates that patterned insulation layer is formed on hard-packed glass plate-like base material
Shi Buhui produces the phenomenon of edge warping；
Fig. 5 is a local schematic top plan view, and one first preferred embodiment of touch base plate of the present invention is described；
Fig. 6 is a partial schematic sectional view, and this first preferred embodiment is described；
Fig. 7 is a local schematic top plan view, and one second preferred embodiment of touch base plate of the present invention is described；
Fig. 8 is a partial schematic sectional view, and this second preferred embodiment is described；
Fig. 9 is a local schematic top plan view, and one the 3rd preferred embodiment of touch base plate of the present invention is described.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to this
Inventive embodiments is described in further details.Here, the schematic description and description of the present invention is used for
Explain the present invention, but not as a limitation of the invention.
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail:
When being applied to touch control screen due to touch base plate of the present invention, the phase of touch base plate and circuit structure 10b
It is similar with current structure to position, so first, second and third the most described preferred embodiment still may be used
Refering to the schematic top plan view shown in Fig. 1.It is to say, Fig. 1 is also the one of touch base plate 20 of the present invention
One preferred embodiment is applied to around the schematic top plan view of a touch control screen 10, and this touch base plate of collar
It it is the circuit structure 102 of this touch control screen.
Refering to the partial top view that Fig. 5 and Fig. 6, Fig. 5 are this first preferred embodiment, Fig. 6 be this first
The partial schematic sectional view of preferred embodiment.First preferred embodiment of touch base plate of the present invention and the external world
Circuit structure 102 (such as Fig. 1) electrically connect, and comprise one piece of plate-like substrate 21, majority ranked first sensing serial
22, majority ranked second sensing serial 23, and most pattern layers insulating barrier 24.
This plate-like substrate 21 is the purposes as follow-up support.It is preferred that this plate-like substrate 21 is one piece
The plate body constituted by main material with glass.In this first preferred embodiment following, will be with this tabular
Base material 21 is that the plate body that a glass is made explains.
Serial 22 is transversely arranged is formed in this plate-like substrate 21 for described first sensing, and include many several
Metal bridge wiring 221, and the most several the first sensor pad 222 connecting two adjacent metal bridge wiring 221 respectively.
Described metal bridge wiring 221 becomes the mode of matrix arrangement to be formed at this plate-like substrate 21 surface, described
Metal bridge wiring 221 horizontal expansion and respectively strip.Described metal bridge wiring 221 is with aluminum or copper etc.
Material is constituted, but is not limited, and is only required to be conductive metal material.
Described first sensor pad 222 is positioned at laterally adjacent two metal bridge wiring 221 with becoming matrix arrangement
Between, the both sides of each first sensor pad 222 cover the part of the metal bridge wiring 221 being positioned at both sides respectively
Surface and the part surface of patterned insulation layer 24, and the both sides of described first sensor pad 222 horizontal stroke respectively
Two adjacent metal bridge wiring 221 are connected to ground.In more detail, each first sensor pad 222 includes one
Body 223 layer by layer, and two two metals bridge joints extending to lay respectively at both sides respectively from this layer of body 223
The connection post 224 of line 221.
Described second sensing serial 23 is longitudinally formed in this plate-like substrate 21 and described first sensing
Serial 22 is staggered into latticed, and includes the most several second sensor pad 231, and the most several connection two is adjacent
The bridging structure 232 of the second sensor pad 231.
Described second sensor pad 231 becomes matrix arrangement interleaved ground to be arranged in described first sensing respectively
Between pad 222, and described second sensor pad 231 lays respectively at described metal bridge wiring 221 in longitudinal direction
Upper and lower both sides.
In this first preferred embodiment, described first sensor pad 222 with described second sensor pad 231 is
Rhombus, but be not limited with rhombus, it is possible to for geometric figures such as circle, rectangle, polygons, only square need to be become
Battle array arranges.
Described bridging structure 232 is toward longitudinal extension and is connected to two second senses that longitudinal direction is adjacent
Survey pad 231, and intersection is cross-placed in described metal bridge wiring 221 respectively.
Described patterned insulation layer 24 is upwardly formed and is folded in described metal from this plate-like substrate 21 respectively
Between bridging line 221 and bridging structure 232, and isolate described first and second sensing serial 22,23, described
Patterned insulation layer 24 is correspondingly formed above described metal bridge wiring 221.Each patterned insulation layer
The 24 common structures of plate-like substrate 21 around each metal bridge wiring 221 and this metal bridge wiring 221 neighbouring
The plane become up forms layer structure, and described patterned insulation layer 24 is constituted with dielectric material.
It is preferred that when this first preferred embodiment touch base plate is directly to be made in touch control screen surface,
Described patterned insulation layer 24 is constituted by main with not higher than 120 DEG C of dielectric materials the most curable.
In more detail, when this first preferred embodiment application touch control screen, this first preferred embodiment
Also include the color filter film (not shown) being formed at this plate-like substrate 21 bottom surface, and with this plate-like substrate 21
Collectively form a colored light-filtering touch base plate.Wherein, the Making programme of this touch control screen is first at this tabular base
The bottom surface of material 21 forms this color filter film and is encapsulated into traditional screen, then in contrast to this tabular
The end face of base material 21 forms first and second sensing serial 22,23 and this patterned insulation layer 24.Therefore,
Described patterned insulation layer 24 need to coordinate to be selected not higher than in the case of the packaging plastic not injuring screen
120 DEG C of dielectric materials the most curable.
It is to say, each first sensor pad 222 wherein one connect post 224 from its of this layer of body 223
In a sidepiece extend to be positioned at the metal bridge wiring 221 of the same side of this first sensor pad 222, and with this
Metal bridge wiring 221 electrically connects；Therein another connect post 224 from this layer of body 223 therein another
Sidepiece extend to be positioned at the metal bridge wiring 221 of the same side of this first sensor pad 222 and with this metal bridge
Wiring 221 electrically connects, and in this first preferred embodiment, described patterned insulation layer 24 prolongs the most respectively
Extending below described first sensor pad 222, the connection post 224 of the most described first sensor pad 222 is the most first
Run through described patterned insulation layer 24, re-extend to described metal bridge wiring 221.
Owing to described patterned insulation layer 24 is folded in described metal bridge wiring 221 and described bridge joint knot respectively
In structure 232, and for described bridging structure 232 by described patterned insulation layer 24 with described metal bridge
Wiring 221 separately, and each metal bridge wiring 221 with its above patterned insulation layer 24 and bridge joint
Structure 232 defines a touch control capacitance.
It is preferred that described first sensor pad 222, described second sensor pad 231, and described bridging structure 232
It is transparent conductive material, so supplying the image of the liquid crystal screen of lower section not to be subject to when being applied to touch controlled type display
Cover.More preferably, described first sensor pad 222, described second sensor pad 231, and described bridging structure
232 is transparent metal-oxide, and is provided simultaneously with good electric conductivity and transparency.First preferable at this
In embodiment, described first sensor pad 222, described second sensor pad 231, and described bridging structure 232
It it is indium tin oxide.
Described first metal bridge wiring 221 forms row's shape with described first sensor pad 222 in lateral connection
Conducting path, described bridging structure 232 and described second sensor pad 231 are in the longitudinally connected row of being formed shape
Conduct path, and described first sensing serial 22 is staggered with described second sensing serial 23 becomes net
Trellis, and sense serial 22 in described first and define majority with the described second confluce sensing serial 23
The individual touch control capacitance being electrically connected to each other.
When pressing a wherein touch control capacitance, the capacitance of this touch control capacitance produces change, and by the external world
Circuit conversion be the signal of telecommunication and transmit it.
The Making programme of this first preferred embodiment above-mentioned is prior to utilizing gold-tinted optical graving in plate-like substrate 21
Making technique coordinates etching manufacturing process to produce several metal bridge wiring 221 many, then sequentially forms described pattern
Change insulating barrier 24, and first and second sensing serial 22,23 and the bridge joint constituted with same transparent conductive material
Structure 232, although still need to after gold-tinted photoetching through by plate-like substrate 21 when making metal bridge wiring 221
Leaching is placed in the etchant for etching metal and carries out wet etching manufacturing process, but due to described patterning insulation
Layer 24, and the first and second sensing serial 22,23 that constitutes of transparent conductive material and bridging structure 232 be
Sequentially form again after forming described metal bridge wiring 221, so the etchant being placed in etching metal will not be soaked
In.Therefore, transparent conductive material can be avoided corroded by the etchant etching metal, and provide formation transparent
First and second sensing serial 22,23 and the bridging structure 232 that conductive material is constituted, is constituted with dielectric material
Patterned insulation layer 24 between there is good adhesive force, and then become the touch base plate that reliability is good.
It is noted that touch base plate of the present invention also can comprise layer protective layer 25, this protective layer 25 is certainly
This substrate up forms and is coated with described first sensing serial 22, described second sensing serial 23, and described
Patterned insulation layer 24, and make described first sensing serial 22, described second sensing serial 23, and described
Patterned insulation layer 24 is isolated from the outside.
Refering to Fig. 1, Fig. 7, Fig. 8, Fig. 1 is touch base plate of the present invention 30 one the second preferred embodiments application
Is the circuit of this touch control screen around the schematic top plan view of a touch control screen 10, this touch base plate of collar
Structure 102.Fig. 7 is the local schematic top plan view of this second preferred embodiment, and Fig. 8 is this second preferable reality
Execute the partial schematic sectional view of example.
This second preferred embodiment electrically connects with extraneous circuit structure 102, and comprises one piece of plate-like substrate
31, majority ranked first sensing serial 32, majority ranked second sensing serial 33, and most pattern layers insulation
Layer 34.
This plate-like substrate 31 is the purposes as follow-up support.It is preferred that this plate-like substrate 31 is with glass
For main material.
Described first sensing serial 32 is formed in this plate-like substrate 31 with horizontally disposed way, and wraps
Include the most several first sensor pad 321, and how several connect the first metal bridge of two adjacent first sensor pads 321
Wiring 322.
Described first sensor pad 321 is formed at this plate-like substrate 31 surface, and becomes matrix arrangement.
Described first metal bridge wiring 322 connects two the first sensor pads 321 that horizontal direction is adjacent respectively.
Described second sensing serial 33 is formed longitudinally in this plate-like substrate 31, and senses with described first
Serial 32 is staggered into latticed.Such second sensing serial 33 includes the most several one-tenth matrix arrangement and is spaced
It is arranged in the second sensor pad 331 between such first sensor pad 321, the most several difference the most respectively longitudinally
The bridge that ground is positioned between adjacent second sensor pad 331 of two-phase and bridges for such first metal bridge wiring 322 intersection
Access node structure 332, and how several are electrically connected the of adjacent bridging structure 332 and the second sensor pad 331
Two metal bridge wiring 333.
Described second sensor pad 331 is formed at this plate-like substrate 31 surface, and becomes matrix arrangement, and interval
It is arranged in the most respectively between described first sensor pad 321.
Described bridging structure 332 extends in the same direction at longitudinal direction, and is formed at plate-like substrate 31 surface,
Described bridging structure 332 position respectively, between two the second sensor pads 331 that longitudinal direction is adjacent, also is located at
Between the first laterally adjacent sensor pad 321, and respectively with described first sensor pad 321 with described second
Sensor pad 331 is spaced, and intersects respectively bridge thereon for described first metal bridge wiring 322.
Described second metal bridge wiring 333 longitudinally bridges and electrically connects the second neighbouring sensor pad 331 respectively
With bridging structure 332, and for each second sensing serial 33 conduct.And it is preferred that each second gold medal
Belong to bridging line 333 and there are body 334 from level to level, and one extends to closest bridge joint from this layer of body 334 and ties
The connection post 335 of structure 332, the most longitudinally adjacent bridging structure 332 and the second sensor pad 331 by this
Two metal bridge wiring 333 and electrically connect.
In this second preferred embodiment, described first sensor pad 321 with described second sensor pad 331 is
Rhombus, but be not limited with rhombus, it is possible to for geometric figures such as circle, rectangle, polygons, only square need to be become
Battle array arranges.
It is preferred that described first sensor pad 321, described second sensor pad 331, and described bridging structure 332
It is transparent conductive material, during so this second preferred embodiment is applied to touch controlled type display, touch-control base
The image of the liquid crystal screen below plate is not masked.More preferably, described first sensor pad 321, described second
Sensor pad 331, and described bridging structure 332 is transparent metal-oxide, and it is provided simultaneously with good leading
Electrically and transparency.In this second preferred embodiment, described first sensor pad 321, described second sensing
Pad 331, and described bridging structure 332 is indium tin oxide.
Described patterned insulation layer 34 is respectively from this plate-like substrate 31 surface and be coated with described bridging structure 332
Ground is formed, and makes described patterned insulation layer 34 and the first adjacent sensor pad 321 and the second sensor pad 331
Interval and not contacting, and described patterned insulation layer 34 be respectively separated described first sensing serial 32 with
Described second sensing serial 33.
Described patterned insulation layer 34 is constituted with dielectric material；It is preferred that when this second preferred embodiment is touched
When control substrate is directly to be made in liquid crystal screen surface, described patterned insulation layer 34 is with not higher than 120 DEG C
The most curable dielectric material is constituted by main.This second preferred embodiment also includes being formed at this tabular base
The color filter film (not shown) of material 31 bottom surface, and collectively form a colorized optical filtering with this plate-like substrate 21 and touch
Control substrate.Wherein, the Making programme of this touch control screen forms this colour prior to the bottom surface of this plate-like substrate 31
Filter coating is also encapsulated into traditional screen, then in contrast to this plate-like substrate 31 end face formed first,
Two sensing serials 32,33, and this patterned insulation layer 34.Therefore, described patterned insulation layer 34 needs
Coordinate in the case of the packaging plastic not injuring screen, select not higher than 120 DEG C of dielectric materials the most curable.
In this second preferred embodiment, described first metal bridge wiring 322 and described second metal bridge joint
Line 333 is constituted with the material such as aluminum or copper, but is not limited, and is only required to be conductive material.
Each bridging structure 332, it is coated with the patterned insulation layer 34 of this bridging structure 332, and is cross-placed on
The first metal bridge wiring 322 on this patterned insulation layer 34 forms a touch control capacitance.
Described first metal bridge wiring 322 forms row's shape with described first sensor pad 321 in lateral connection
Conducting path, described bridging structure 332, described second metal bridge wiring 333, with described second sensing
Pad 331 conducts path in the longitudinally connected row of being formed shape, and senses serial 32 with described in described first
The most several touch control capacitance being electrically connected to each other is defined in the confluce of the second sensing serial 33.
When pressing a wherein touch control capacitance, the capacitance of this touch control capacitance produces change, and by the external world
Circuit conversion be the signal of telecommunication and transmit the signal of telecommunication.
This second preferred embodiment is to be initially formed first sensor pad the 321, second sense that transparent conductive material is constituted
Survey pad 331 and bridging structure 332, then sequentially form described patterned insulation layer 34, and described first,
Two metal bridge wiring 322,333.Owing to described patterned insulation layer 34 is respectively coated by described bridging structure
332 ground are formed at this plate-like substrate 31 surface, the periphery of the most each patterned insulation layer 34 all with this tabular
Base material 31 connects and does not contact described first sensor pad 321 and the second sensor pad 331, can avoid follow-up use
Etchant in etching metal corrode described bridging structure 332 structure and cause patterned insulation layer 34 with
The splitting that poor adhesive force between bridging structure 332 is caused, and then become touch all good with yield of reliability
Control substrate.
It should be noted that, this second preferred embodiment also can comprise layer protective layer 35.This protective layer 35 is certainly
This plate-like substrate 31 is formed, and is coated with described first sensing serial 32, described second sensing serial 33,
And described patterned insulation layer 34, and make described first sensing serial 32, described second sensing serial 33,
And described patterned insulation layer 34 is isolated from the outside.
Refering to Fig. 1, Fig. 9, Fig. 1 is that touch base plate of the present invention 40 1 the 3rd preferred embodiment is applied to one
The schematic top plan view of touch control screen 10, around this touch base plate of collar is the circuit structure of this touch control screen
102.Fig. 9 is the local schematic top plan view of the 3rd preferred embodiment, and the 3rd preferred embodiment is with extraneous
Circuit structure 10b electrical connection, and comprise one piece of plate-like substrate 41, majority ranked first sensing serial 42,
Majority ranked second sensing serial 43, and most patterned insulation layer 44.
This plate-like substrate 41 is the purposes as follow-up support.It is preferred that this plate-like substrate 41 is with glass
For main material.
Serial 42 is the most transversely arranged is formed in this plate-like substrate 41 for described first sensing, and includes many
Several first sensor pads 421, and how several connect the metal bridge wiring 422 of two adjacent first sensor pads 421.
Described first sensor pad 421 is formed at this plate-like substrate 41 surface, and becomes matrix arrangement.
Described metal bridge wiring 422 extends transversely, and the first sensor pad that lateral connection two is adjacent respectively
421, and form the first sensing serial 42 of most laterally row shape, described metal bridge wiring 422 is with aluminum or copper
Constitute Deng material, but be not limited, be only required to be conductive metal material.
Described second sensing serial 43 longitudinal arrangement respectively is formed in this plate-like substrate 41, and with described
First sensing serial 42 is crisscross arranged and forms latticed, and includes the most several second sensor pad 431, and many
The bridging structure 432 of adjacent second sensor pad 431 of several connections two.
Described second sensor pad 431 is formed at this plate-like substrate 41 surface, and becomes matrix arrangement, and interval
It is arranged in the most respectively between described first sensor pad 421.
Described bridging structure 432 is formed extended at both sides in the same direction in this plate-like substrate 41 surface, and is connected to
Two longitudinally adjacent the second sensor pads 431, and described bridging structure 432 respectively with laterally adjacent two
First sensor pad 421 is spaced, and intersects for described metal bridge wiring 422 above respectively and bridge.
In the 3rd preferred embodiment, described first sensor pad 421 with described second sensor pad 431 is
Rhombus, but be not limited with rhombus, it is possible to for geometric figures such as circle, rectangle, polygons, only square need to be become
Battle array arranges.
It is preferred that described first sensor pad 421, described second sensor pad 431, and described bridging structure 432
Be transparent conductive material, then, when being applied to touch controlled type display, the image for liquid crystal screen below is not subject to
Cover.More preferably, described first sensor pad 421, described second sensor pad 431, and described bridging structure
432 is transparent metal-oxide, and is provided simultaneously with good electric conductivity and transparency.Preferable the 3rd
In embodiment, described first sensor pad 421, described second sensor pad 431, and described bridging structure 432
It it is indium tin oxide.
Described patterned insulation layer 44 includes that one is folded in described bridging structure 432 and described metal bridge respectively
For described bridging structure 432 and the layer body 441 at described metal bridge wiring 422 interval between wiring 422, and
Majority is respectively formed in this substrate and extends to the first adjacent sensor pad 421 from this layer of body 441 independently
Extension 442 with the second interelectrode gap.Described patterned insulation layer 44 is constituted with dielectric material,
And it is preferred that when this second preferred embodiment is directly to be made in touch control screen (not shown) surface, described
Patterned insulation layer 44 is constituted by main with not higher than 120 DEG C of dielectric materials the most curable.If the 3rd
When preferred embodiment also includes the color filter film (not shown) being formed at this plate-like substrate 41 bottom surface, can be with
This plate-like substrate 41 collectively forms a colored light-filtering touch base plate.Wherein, the Making programme of this touch control screen
Form this color filter film prior to the bottom surface of this plate-like substrate 41 and be encapsulated into traditional screen, then at
First and second sensing serial 42,43 and the insulation of this patterning is formed in contrast to the end face of this plate-like substrate 41
Layer 44.Therefore, described patterned insulation layer 44 need to coordinate choosing in the case of the packaging plastic not injuring screen
With not higher than 120 DEG C of dielectric materials the most curable.
It is preferred that when described first sensor pad 421 is all rhombus with described second sensor pad 431, with
4 gaps that its first adjacent sensor pad 421 and the second sensor pad 431 are formed, each patterning is exhausted
Edge layer 44 includes 4 extensions 442, and described extension 442 extends respectively to described gap, and two
The long between centers sandwiched of adjacent extension 442 angle not less than 60 °.
Additionally, described extension 442 can be strip, it is possible to for fishbone or pointed shape, and then increase
And the contact area between this plate-like substrate 41.
Each bridging structure 432, intersection are cross-placed on the metal bridge wiring 422 on this bridging structure 432, and
Layer body 441 shape of the patterned insulation layer 44 being folded between this bridging structure 432 and metal bridge wiring 422
Become a touch control capacitance.
Described metal bridge wiring 422 and described first sensor pad 421 form the conductance of row's shape in lateral connection
Path, described bridging structure 432 and described second sensor pad 431 are in the electricity of the longitudinally connected row of being formed shape
Guiding path, coordinates described metal bridge wiring for described bridging structure 432 with described patterned insulation layer 44
The most several touch control capacitances of 422 formed matrix arrangement are electrically connected to each other.
When pressing a wherein touch control capacitance, the capacitance of this touch control capacitance produces change, and by the external world
Circuit conversion be the signal of telecommunication and transmit the signal of telecommunication.
3rd preferred embodiment adheres completely to this by the extension 442 of described patterned insulation layer 44
Plate-like substrate 41 surface, and increase the contact area between this patterned insulation layer 44 and this plate-like substrate 41,
And then be more securely attached in this plate-like substrate 41 for this patterned insulation layer 44 entirety, and press down simultaneously
The layer body 441 making this patterned insulation layer 44 connects from this first sensor pad 421 or this bridging structure 432
The place's of connecing splitting and the chance that starts, and then be the good touch base plate of reliability for the 3rd preferred embodiment.
Need to put forward, the 3rd preferred embodiment also comprises layer protective layer (not shown), this protection
Layer is formed from this plate-like substrate 41 surface, and is coated with described first sensing serial 42, described second sensing string
Row 43, and described patterned insulation layer 44, make described first sensing serial 42, described second sensing serial
43, and described patterned insulation layer 44 is isolated from the outside.
By described above, the present invention solves patterned insulation layer and loosely organized electrode slice or
The problem that between patterned insulation layer and loosely organized bridging structure, adhesive force is the best, proposes to be schemed by increase
Contact area between case insulating barrier 44 and this plate-like substrate 41, and the limit of described patterned insulation layer 34
Edge is linked to the means of this plate-like substrate 31 completely, improves interelement adhesive force, and then obtains reliability
Good touch base plate, therefore really can reach the purpose of the present invention.
Particular embodiments described above, is carried out the purpose of the present invention, technical scheme and beneficial effect
Further describe, be it should be understood that the specific embodiment that the foregoing is only the present invention,
The protection domain being not intended to limit the present invention, all within the spirit and principles in the present invention, done appoint
What amendment, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a touch base plate, it is characterised in that comprise: one piece of plate-like substrate；Majority ranked first sensing serial, transversely arranged is formed in described plate-like substrate, and the first sensor pad being formed on described base material with including the most several one-tenth matrix arrangement, and how several the most laterally connect the first metal bridge wiring of two adjacent first sensor pads；Majority ranked second sensing serial, it is formed longitudinally in described plate-like substrate and is staggered into latticed with described first sensing serial, and be arranged in the second sensor pad between described first sensor pad respectively with including the most several one-tenth matrix arrangement interleaved, the most several are longitudinally located in respectively between two adjacent second sensor pads and intersect, for described first metal bridge wiring, the bridging structure that bridges, and how several are electrically connected the second metal bridge wiring of adjacent bridging structure and the second sensor pad；And majority pattern layers insulating barrier, from described plate-like substrate and formed with being coated with described bridging structure respectively, and be individually insulated described first sensing serial and described second sensing serial.
2. touch base plate as claimed in claim 1, it is characterized in that, described patterned insulation layer respectively and described first sensor pad and described second sensor pad interval, each second metal bridge wiring has body from level to level, and a connection post extending to immediate bridging structure from described layer body.
3. touch base plate as claimed in claim 2, it is characterised in that the main material of described plate-like substrate is glass, and the solidification temperature of described patterned insulation layer is not more than 120 DEG C.
4. touch base plate as claimed in claim 3, it is characterised in that described first sensor pad, described second sensor pad, and described bridging structure is transparent conductive material.
5. touch base plate as claimed in claim 4, it is characterised in that described touch base plate also comprises layer protective layer, described protective layer forms and is coated with described first sensing serial from described plate-like substrate and senses serial with described second and be isolated from the outside.
6. a touch base plate, it is characterised in that comprise: one piece of plate-like substrate；Majority ranked first sensing serial, transversely arranged is formed in described plate-like substrate, and the first sensor pad being formed on described base material with including the most several one-tenth matrix arrangement, and how several the most laterally connect the metal bridge wiring of two adjacent first sensor pads；Majority ranked second sensing serial, it is formed longitudinally in described plate-like substrate and is staggered into latticed with described first sensing serial, and it is arranged in the second sensor pad between described first sensor pad, and the bridging structure of longitudinally connected two adjacent second sensor pads of the most several difference respectively with including the most several one-tenth matrix arrangement interleaved；And majority pattern layers insulating barrier, include being folded between described bridging structure and described metal bridge wiring the layer body being spaced with described metal bridge wiring for described bridging structure respectively, and majority is respectively formed in described plate-like substrate and extends to the extension in gap between the first adjacent sensor pad and the second sensor pad independently from described layer body.
7. touch base plate as claimed in claim 6, it is characterised in that each patterned insulation layer has four extensions, the long between centers sandwiched of the two adjacent extensions angle not less than 60 °.
8. touch base plate as claimed in claim 7, it is characterised in that the main material of described plate-like substrate is glass, and the solidification temperature of described patterned insulation layer is not more than 120 DEG C.
9. touch base plate as claimed in claim 8, it is characterised in that described first sensor pad, described second sensor pad, and described bridging structure is transparent conductive material.
10. touch base plate as claimed in claim 9, it is characterised in that described touch base plate also comprises layer protective layer, described protective layer forms and is coated with described first sensing serial from described plate-like substrate and senses serial with described second and be isolated from the outside.
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| CN201210140162.6A CN103389814B (en) | 2012-05-08 | 2012-05-08 | Touch base plate |
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| CN201210140162.6A CN103389814B (en) | 2012-05-08 | 2012-05-08 | Touch base plate |
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| CN103389814B true CN103389814B (en) | 2016-08-10 |
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| CN101561736A (en) * | 2008-04-15 | 2009-10-21 | 禾瑞亚科技股份有限公司 | Projective capacitive touch-control device for preventing conducting material from influencing contactor detection and method thereof |
| CN101576790A (en) * | 2008-05-09 | 2009-11-11 | 群康科技(深圳)有限公司 | Manufacturing process for touch-control panel |
| CN101984391A (en) * | 2010-10-13 | 2011-03-09 | 友达光电股份有限公司 | Touch panel and repair method thereof |
| CN102096514A (en) * | 2011-02-24 | 2011-06-15 | 华映视讯（吴江）有限公司 | Touch control panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI377497B (en) * | 2008-11-05 | 2012-11-21 | Au Optronics Corp | Touch-sensing substrate, color filter substrate and touch-sensing liquid crystal display |
| TWM371271U (en) * | 2009-07-10 | 2009-12-21 | Shinan Snp Taiwan Co Ltd | Thin touch panel |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561736A (en) * | 2008-04-15 | 2009-10-21 | 禾瑞亚科技股份有限公司 | Projective capacitive touch-control device for preventing conducting material from influencing contactor detection and method thereof |
| CN101576790A (en) * | 2008-05-09 | 2009-11-11 | 群康科技(深圳)有限公司 | Manufacturing process for touch-control panel |
| CN101984391A (en) * | 2010-10-13 | 2011-03-09 | 友达光电股份有限公司 | Touch panel and repair method thereof |
| CN102096514A (en) * | 2011-02-24 | 2011-06-15 | 华映视讯（吴江）有限公司 | Touch control panel |
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Address after: 518109 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 4, building 1, building Applicant after: Qunkang Technology (Shenzhen) Co., Ltd. Applicant after: Innolux Display Group Address before: 518109 Longhua, Shenzhen, town, Foxconn science and Technology Industrial Park E District, building 4, building 1, building Applicant before: Qunkang Technology (Shenzhen) Co., Ltd. Applicant before: Chimei Optoelectronics Co., Ltd. |
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