CN104063081B - Contact panel and preparation method thereof - Google Patents
Contact panel and preparation method thereof Download PDFInfo
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- CN104063081B CN104063081B CN201310093863.3A CN201310093863A CN104063081B CN 104063081 B CN104063081 B CN 104063081B CN 201310093863 A CN201310093863 A CN 201310093863A CN 104063081 B CN104063081 B CN 104063081B
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Abstract
The invention provides a kind of contact panel, include a substrate, the substrate has a touch area and a neighboring area；One inductive layer, on the substrate and in the touch area, and the inductive layer includes the plural axial electrode of bar first and the plural axial electrode of bar second；One conductor layer, on the substrate and in the neighboring area, and the conductor layer is divided into the wire of plural bar first and the plural wire of bar second, wherein each first wire is located in one first conductor area, each second wire is located in one second conductor area, and each first wire is electrically connected with first axial electrode, each second wire is electrically connected with second axial electrode；And ground wire, on the substrate and in the neighboring area, wherein the ground wire has multiple branches, and an at least branch is located between first conductor area and second conductor area.The preparation method that the present invention also provides contact panel, to lower the signal cross-talk between each transmission axle and receive axle.
Description
Technical field
The invention relates to technical field of touch control, in particular to a kind of contact panel and its preparation method.
Background technology
In the market of various consumption electronic products now, personal digital assistant (PDA), mobile phone (mobile
Phone), the portable electronic product such as notebook computer (notebook) and tablet PC (tablet PC) is all extensive
Using contact panel (touch panel) as the interface tool of its data communication.Further, since the design of electronic product at present
All with light, thin, short, small as direction, therefore without enough spaces such as conventional input device such as keyboard, mouse on product, especially
Under the drive of tablet PC demand for stressing human oriented design, touch panel has suddenly become the spare part of key for it
One of.
When known contact panel sends or receives signal, sending axle will significantly influence black box with receive axle sensitivity
Efficiency, it is and close and material is typically identical with reception shaft position due to sending axle, easily produce string during transmission signal to each other
(crosstalk) phenomenon is disturbed, and then influences sensitivity and the reliability of contact panel.Therefore, how to reduce signal cross-talk and increase
Enter the reliability of contact panel, as an important research topic.
The content of the invention
From the above, to avoid signal from producing crosstalk, the present invention provides one touch panel structure provided and preparation method thereof, in hair
Send and the ground wire (GND trace) with branch is set between axle and receive axle, to lower between each transmission axle and receive axle
Signal cross-talk.
The present invention provides a kind of contact panel, includes a substrate, and substrate definition has a touch area and touched around this
Control a neighboring area in region；One inductive layer, on the substrate and in the touch area, and the inductive layer includes plural number
The axial electrode of bar first and the plural axial electrode of bar second；One conductor layer, on the substrate and in the neighboring area, and
The conductor layer is divided into the wire of plural bar first and the plural wire of bar second, wherein each first wire is located at one first conductor area
Interior, each second wire is located in one second conductor area, and each first wire is electrically connected with first axial electrode, and each the
Two wires are electrically connected with second axial electrode；And a ground wire, on the substrate and it is located in the neighboring area,
Wherein the ground wire has multiple branches, and an at least branch is located between first conductor area and second conductor area.
Further, the contact panel further includes a bonding land in the neighboring area, and the bonding land includes at least one
Junction piece, the wherein ground wire are electrically connected with an at least junction piece.
Further, the contact panel further includes circuit board, and the junction piece is electrically connected with the circuit board.
Further, the contact panel further includes cover side layer, in the neighboring area, and positioned at the conductor layer and
Between the substrate.
Further, the contact panel further includes a flatness layer, between the substrate and the inductive layer.
Further, the contact panel further includes a protective layer, on the inductive layer.
Further, in the contact panel, respectively the material of the ground wire is metal.
Further, in the contact panel, partial earthing line and first wire and second wires cross.
Further, the contact panel further includes an insulating barrier positioned at the ground wire and first wire and second wire
Crossover sites.
The preparation method of another kind contact panel of the invention, comprising a substrate is provided with, the substrate is divided into a Touch Zone
Domain and the neighboring area around the touch area；An inductive layer is formed in the touch area on the substrate, the wherein sense
Layer is answered to include the plural axial electrode of bar first and the plural axial electrode of bar second；A conductor layer is formed in the periphery on the substrate
In region, and the conductor layer is divided into the wire of plural bar first and the plural wire of bar second, wherein each first wire is located at one first
In conductor area, each second wire is located in one second conductor area, and each first wire is electrically connected with first axial direction
Electrode, each second wire is electrically connected with second axial electrode；And a ground wire is formed in the Zhou Bianqu on the substrate
In domain, wherein the ground wire has multiple branches, and an at least branch is located at first conductor area and second conductor area
Between.
Further, the touch panel module preparation method further includes a bonding land and is located in the neighboring area, the engagement
Area includes an at least junction piece, and wherein ground wire is electrically connected with an at least junction piece.
Further, the touch panel module preparation method further includes one circuit board of offer, and the junction piece and the circuit
Plate is electrically connected with.
Further, the touch panel module preparation method further includes to form cover side layer, in the neighboring area, and
Between the conductor layer and the substrate.
Further, the touch panel module preparation method further includes to form a flatness layer, positioned at the substrate and the sensing
Between layer.
Further, the touch panel module preparation method further includes to form a protective layer, on the inductive layer.
Further, in the touch panel module preparation method, respectively the material of the ground wire is metal.
Further, in the touch panel module preparation method, partial earthing line and first wire and second wire
Intersect.
Further, the touch panel module preparation method further includes an insulating barrier positioned at the ground wire and first wire
With the crossover sites of second wire.
The contact panel that the present invention is provided and its preparation method, ground wire have multiple branches, and an at least branch is located at
Between first wire and second wire, you can reach the purpose for preventing signal cross-talk.Additionally, also allowing ground connection in the present invention
Line is set across wire, therefore makes the configuration of ground wire more flexible, further makes the neighboring area of contact panel more efficient
Utilize, reduce cost of manufacture.
Brief description of the drawings
Fig. 1 illustrates the upper schematic diagram of the first preferred embodiment of the invention.
Fig. 2 illustrates the cross-sectional view along hatching A-A' in Fig. 1.
Fig. 3 illustrates the touch panel structure provided generalized section of the second preferred embodiment of the invention.
Fig. 4 illustrates the touch panel structure provided generalized section of the 3rd preferred embodiment of the invention.
Fig. 5 illustrates the upper schematic diagram of the 4th preferred embodiment of the invention.
Fig. 6 illustrates the upper schematic diagram of the 5th preferred embodiment of the invention.
Fig. 7 illustrates the upper schematic diagram of the 6th preferred embodiment of the invention.
Fig. 8 illustrates the flow chart of the preparation method of the contact panel of the first preferred embodiment of the invention.
Specific embodiment
To enable the general those skilled in the art for being familiar with the technical field of the invention to be further understood that the present invention, hereafter spy enumerates
The preferred embodiments of the invention, and coordinate institute's accompanying drawings, describe in detail constitution content of the invention and it is to be reached the effect of.
For convenience of explanation, each schema of the present invention is only to illustrate to be easier to understand the present invention, and its detailed ratio can
It is adjusted according to the demand of design.The upper and lower relation for relative component in figure described in the text, in the people of this area
For all will be understood that its relative position for referring to object, therefore can all overturn and identical component is presented, this should all be belonged to together
The disclosed scope of this specification, holds first chat bright herein.
Fig. 1 is refer to, Fig. 1 depicts the upper schematic diagram of the first preferred embodiment of the invention.As shown in figure 1, of the invention
Contact panel 1 include a substrate 10, on substrate 10 definition have a touch area 12 and one around touch area 12 week
Border area domain 14.Substrate 10 can be various transparent or opaque materials, be not limited to hard substrate or flexible substrate, such as glass
Glass, polycarbonate（polycarbonate,PC）, the fat of poly terephthalic acid second two (polyethylene terephthalate,
PET), polymethyl methacrylate (polymethylmesacrylate, PMMA), polysulfones (Polysulfone, PES) or other
Cyclenes copolymer（cyclic olefin copolymer）Deng.
Then, an inductive layer 16 is formed in the touch area 12 on substrate 10, wherein, inductive layer 16 includes plural bar edge
One first direction (being Y-axis in the present embodiment) the first axial electrode 20 arranged in parallel is with plural bar along second direction (this reality
Apply in example as X-axis) the second axial electrode 30 arranged in parallel.Further, since each first axial electrode 20 is axially electric with each second
Pole 30 is intersected, and to avoid it from being electrically connected with each other, inductive layer 16 has further included a plurality of bridging structures 32 and a plurality of insulation
Layer 36, in the present embodiment, each first axial electrode 20 is all continuous structure, and each second axial electrode 30 is then by a plurality of
Second axial electrode block 31 is connected in series with a plurality of bridging structures 32, and the first axial electrode 20 and the second axial electrode 30
Intersection area has insulating barrier 36 to exist, and the first axial electrode 20 and the second axial electrode 30 is electrically isolated, it is to avoid its phase
Mutually it is electrically connected with.In addition, in the present embodiment, bridging structure 32 is crossed over by the top of the first axial electrode 20, that is, first completes the
After one axial electrode 30, bridging structure is just completed, but the invention is not restricted to this, bridging structure 32 also can be by the first axial electrode 30
Lower section is passed through, that is, after being initially formed bridging structure 32 and insulating barrier 36, re-forms the first axial electrode 20 and a plurality of
Second axial electrode block 31, completion is concatenated by the second axial electrode 30.
In the present embodiment, the material of each first axial electrode 20 and each second axial electrode block 31 transparent can lead comprising various
Electric material, for example, tin indium oxide（indium tin oxide,ITO）, indium zinc oxide (indium zinc oxide, IZO), oxygen
Cadmium tin (cadmium tin oxide, CTO), aluminum zinc oxide (aluminum zinc oxide, AZO), indium oxide zinc-tin
(indium tin zinc oxide, ITZO), zinc oxide (zinc oxide), cadmium oxide (cadmium oxide), hafnium oxide
(hafnium oxide, HfO), indium gallium zinc (indium gallium zinc oxide, InGaZnO), indium gallium zinc
Magnesium (indium gallium zinc magnesium oxide, InGaZnMgO), indium gallium magnesium (indium gallium
Magnesium oxide, InGaMgO) or indium gallium aluminium (indium gallium aluminum oxide, InGaAlO)
Deng.The material of insulating barrier 36 can include isolation material, for example, pi (Polyimide, PI), silica (SiO2), silicon nitride
(SiN), silicon oxynitride (SiCN), carborundum (SiC) etc..The material of bridging structure 32 can include above-mentioned transparent conductive material, or
It is metal such as silver, aluminium, gold, copper.Detailed preparation method on other inductive layers 16, knows that technical staff is ripe by this area
Know, will not be repeated here.
Then, the first wire of the plural bar of formation 42 and the second wire of plural bar 44, each one end of the first wire 42,
All it is electrically connected with first axial electrode 20, the other end is connected with the pin position 53 of a join domain 51.And each article
One end of two wires 44, is all electrically connected with second axial electrode 30, the other end also with the pin of join domain 51 position 53
It is connected.By taking the present embodiment as an example, the first wire 42 and the second wire 44 are transmitted from the first axial electrode 20 respectively（Y-axis）With
And second axial electrode 30（X-axis）Signal, after processor receives signal respectively, you can intersection as representated by two signals position
Put, judge that the contact panel 1 in touch area 12 is subject to the position touched.In the present embodiment, the first wire 42 and second
The material of wire 44 may include metal such as silver, aluminium, gold, copper etc., and in order to save processing procedure part, each first wire 42 and each
Second wire 44 preferably makes simultaneously, therefore both materials are identical, but not limited to this.In addition, in the present embodiment, each first leads
Line 42 is located at least one first conductor area 42a, and each second wire 44 is then located at least one second conductor area 44a.
That is, the first wire of plural bar 42 is included in the first conductor area 42a, and then include in the second conductor area 44a multiple
Several second wires 44.
Ground wire 50, ground wire 50 is added to be located on substrate 10 in 14 in neighboring area near join domain 51.
Ground wire 50 has branch, and a part of branch is located at the outside of the first conductor area 42a and the second conductor area 44a, another portion
Part branch is then located at the space in neighboring area 14 between first conductor area 42a and the second conductor area 44a.Consequently, it is possible to
Due to the integral ground of ground wire 50, therefore in 50 points of ground wire between the first conductor area 42a and the second conductor area 44a
Branch can prevent the signal cross-talk between the first wire 42 and the second wire 44, positioned at the first conductor area 42a and the second conductor section
The branch of ground wire 50 on the outside of the 44a of domain can reduce the signal interference from outside other assemblies.Certainly, the ground wire in the 1st figure
Configuration is only a wherein preferred embodiment, but the invention is not restricted to this, the length of ground wire 50, width, shape and position etc. can
Adjusted according to actual demand.In the present embodiment, the material of ground wire 50 is metal such as silver, aluminium, gold, copper or electrically conducting transparent material
Matter, such as material of above-mentioned the first axial electrode of making 20 and each second axial electrode block 31.
Ground wire 50 is connected to the junction piece 52 of join domain 51.Junction piece 52 is connected to the circuit board outside substrate 10
In (not shown), to reach the purpose of ground connection.In the present embodiment, join domain 51 includes junction piece 52, and junction piece 52 is
The ground connection pin position of known techniques.But according to actual design demand, join domain 51 can include multiple junction pieces 52, the present invention
It is not limited thereto.
Fig. 2 illustrates the cross-sectional view along hatching A-A' in Fig. 1, as shown in Fig. 2 contact panel 1 includes
One substrate 10, definition has a viewing area 12 and a neighboring area 14 on substrate 10, then according to steps described above, according to
After sequence forms inductive layer 16, the first wire (not shown), the second wire 44, ground wire 50 and join domain (not shown), can
The protective layer 60 of comprehensive covering one is located on viewing area 12 and neighboring area 14 again.It is thin that protective layer 60 is usually an insulation
Film, covers and protects inductive layer 16, and then cause that inductive layer 16 is not destroyed because of extraneous physics or chemical change.Protective layer
60 material is selected from polyimides（Polyimide, PI）, ink, silicon nitride（S3N4）Or silica（SiO2）Deng, but implement
Material ranges be not limited with previous materials.It is worth noting that, protective layer 60 selects to implement according to practical application.
Additionally, the contact panel 1 of the present embodiment is more optionally added other assemblies, and there are different embodiments,
Illustrated below for different embodiments of the invention, wherein to highlight not existing together between each embodiment, identical component
Represented with identical label, its preparation method is identical with described in the first preferred embodiment with material, and do not repeated in addition.
Fig. 3 illustrates the touch panel structure provided generalized section of the second preferred embodiment of the invention, as shown in figure 3, touch surface
Plate 2 includes a substrate 10, and definition has a viewing area 12 and a neighboring area 14 on substrate 10, and an inductive layer 16 is located at aobvious
Show in region 12, the first wire of plural bar (not shown), the second wire 44 and plural bar ground wire 50 are located at neighboring area 14
It is interior.It is that the present embodiment further includes one between inductive layer 16 and substrate 10 with the first preferred embodiment difference of the invention
Flatness layer 18.Flatness layer 18 is preferably formed by non-conductive material, is covered in the surface of substrate 10, to solve the surface of substrate 10
Out-of-flatness problem so that inductive layer 16 can be formed on a flat surfaces.Flatness layer 18 can be formed with polymer
Smooth layer, such as pi（Polyimide, PI）, it is also possible to make what is formed with inorganic material, such as silicon nitride（Si3N4）
Or silica（SiO2）, the material for not limiting flatness layer 18 of the invention.Remaining component is identical with the first preferred embodiment,
Will not be repeated here.
Fig. 4 illustrates the touch panel structure provided generalized section of the 3rd preferred embodiment of the invention, as shown in figure 4, touch surface
Plate 3 includes a substrate 10, and definition has a viewing area 12 and a neighboring area 14 on substrate 10, and an inductive layer 16 is located at aobvious
Show in region 12, the first wire of plural bar (not shown), the second wire 44 and plural bar ground wire 50 are located at neighboring area 14
It is interior.Be with the first preferred embodiment difference of the invention, in the present embodiment, position between inductive layer 16 and substrate 10, more
Including a light shield layer 19, light shield layer 19 is generally made up of transparent materials, such as dark-coloured photoresistance, dark ink etc., and is covered
The neighboring area 14 of substrate 10, can cover other electronic building bricks on light shield layer 19, such as the first wire 42, the second wire
44 or ground wire 50 etc., are allowed to not be exposed in user interface, reach aesthetic.
It is worth noting that, the present embodiment can also be combined with each other with the second preferred embodiment of the invention, therefore, the present embodiment
Described contact panel 3 can also include a flatness layer and be located between inductive layer 16 and substrate 10, and wherein flatness layer can be covered
In on substrate 10 and light shield layer 19, or the middle section of substrate 10 is only covered, and be not extend on light shield layer 19 so that shading
The top of layer 19 flushes with the top of flatness layer.Remaining component is identical with the first preferred embodiment, will not be repeated here.
Fig. 5 illustrates the upper schematic diagram of the 4th preferred embodiment of the invention, as shown in figure 5, contact panel 4 includes a base
Plate 10, definition has a viewing area 12 and a neighboring area 14 on substrate 10, and an inductive layer 16 is located in viewing area 12, multiple
Several first wires 42, the second wire 44 and plural bar ground wire 50 are located in neighboring area 14, and wherein each first wire
42 are located at least one first conductor area 42a, and each second wire 44 is located at least one second conductor area 44a, in addition originally
Embodiment further includes a flatness layer (not shown) and/or a light shield layer (not shown) between inductive layer 16 and substrate 10.It is flat
Layer is preferably formed by non-conductive material, the surface of substrate 10 is covered in, to solve the problems, such as the out-of-flatness on the surface of substrate 10 so that
Inductive layer 16 can be formed on a flat surfaces.Light shield layer cover substrate 10 neighboring area 14, can cover positioned at light shield layer it
On other electronic building bricks such as the first wire 42, the second wire 44 or ground wire 50 etc., be allowed to not be exposed in user interface,
Reach aesthetic.Places different from the first preferred embodiment of the invention are have more than one junction piece in the present embodiment
52, and each junction piece 52 represents pin position, on externally connected circuit board and it is grounded, the present embodiment connects by multiple
Close block 52 to be grounded, the reliability of contact panel 4 can be increased, when one of pin bit loss bad when, remaining pin position still can
It is enough to play the function of ground connection, and be unlikely to so that the ground wire 50 of contact panel 4 loses function.Optionally increase connects the present invention
The quantity of block 52 is closed, the reliability of contact panel is can further improve.Remaining component is identical with the first preferred embodiment, herein not
Repeat again.
Fig. 6 illustrates the upper schematic diagram of 5th preferred embodiment of the invention, and the contact panel 5 of the present embodiment and the present invention the
Roughly the same in one preferred embodiment structure, and difference is, in the present embodiment, the element branches of ground wire 50 are located at the
It is another between one conductor area 42a and the second conductor area 44a to there are element branches to be located at the first conductor area 42a and the second wire
The outside of region 44a, in addition, the ground wire 50 in the present embodiment is led around the touch area 12 of contact panel 5 by all
Inductive layer 16 in line and viewing area 12 is surrounded.So can not only reduce the first wire 42 and the second wire 44 it
Between crosstalk, it is also possible to further shielding extraneous static interference, increase contact panel stability.It is worth noting that, this
Embodiment can be combined with above-mentioned 4th preferred embodiment, that is to say, that can have multiple junction pieces 52, to increase contact panel
Reliability.Certainly, the present embodiment can also be combined with the second preferred embodiment or the 3rd preferred embodiment, that is, in sensing
Between layer 16 and substrate 10, a flatness layer (not shown) and a light shield layer (not shown) are further included.Flatness layer is preferably led by non-
Electric material is formed, and is covered in the surface of substrate 10, to solve the problems, such as the out-of-flatness on the surface of substrate 10.Light shield layer covers substrate 10
Neighboring area 14, other electronic building bricks on light shield layer can be covered, reach aesthetic.Remaining component and first compared with
Good embodiment is identical, will not be repeated here.
Fig. 7 illustrates the upper schematic diagram of 6th preferred embodiment of the invention, and the contact panel 6 of the present embodiment and the present invention the
It is roughly the same in one preferred embodiment structure, and difference is, the ground wire 50 in the present embodiment may span across each wire and set
Put, and ground wire 50 is enclosed wire.Although ground wire 50 is only illustrated in Fig. 7 crosses over the second wire 44, actually
The first wire 42 or the second wire 44 can be freely crossed over according to use demand.And the wire 42 of ground wire 50 and first or
The crossover sites of second wire 44 have an insulating barrier 38 to exist, to completely cut off mutual crosstalk between the two.The ground wire of the present embodiment sets
Meter pattern, there is provided another wire and ground wire configuration mode, and because ground wire 50 allows to be set across wire, therefore portion
Tap ground wire 50 can be located between the conductor area 42a of inductive layer 16 and first or the second conductor area 44a, more can effectively shield
Electrical crosstalk between first wire 42 and the second wire 44.Additionally, in the present embodiment, ground wire 50 is by the top of the second wire 44
Across, but actually can also be passed through by lower section according to use demand, the present invention is not limited.In addition, the present embodiment is in sensing
Between layer 16 and substrate 10, a flatness layer (not shown) and a light shield layer (not shown) are further included.Flatness layer is preferably led by non-
Electric material is formed, and is covered in the surface of substrate 10, to solve the problems, such as the out-of-flatness on the surface of substrate 10.Light shield layer covers substrate 10
Neighboring area 14, other electronic building bricks on light shield layer can be covered, reach aesthetic.Remaining component and first compared with
Good embodiment is identical, will not be repeated here.
It is worth noting that, the contact panel 4~6 described in above-mentioned 4th~the 6th preferred embodiment, all can with it is foregoing
Flatness layer described in second preferred embodiment, and the light shield layer combination described in the 3rd preferred embodiment, that is to say, that positioned at base
Between plate 10 and inductive layer 16, can more likely include a flatness layer, to solve surface irregularity according to actual fabrication flow
Problem, and comprising a masking frame, reach the unnecessary light of masking and beauty function.Its various combination comes under the present invention and is covered
In the range of.Illustrated in previous paragraphs on its material selection, will not be repeated here.
Above-mentioned first~the 6th preferred embodiment, can be according to user's request, the technology mentioned by each embodiment of independent assortment
Feature, combined by all technical characteristics as the various embodiments described above into it is touch panel structure provided, come under the model that the present invention is covered
In enclosing.
It is of the present invention touch panel structure provided, can be realized by following preparation method, refer to Fig. 8, Fig. 8 illustrates this
The flow chart of the preparation method of the contact panel of the first preferred embodiment is invented, and please also refer to Fig. 1~Fig. 2, the making side
Method mainly includes step S01：A substrate 10 is provided, substrate 10 is divided into a touch area 12 and one week around touch area 12
Border area domain 14, step S03：An inductive layer 16 is formed in the touch area 12 on substrate 10, wherein inductive layer 16 includes plural number
The first axial electrode of bar 20 and the second axial electrode of plural bar 30 are located in touch area 12, wherein each edge of first axial electrode 20
A first direction to be arranged in parallel with each other, each second axial electrode 30 is arranged in parallel with each other along a second direction.Step S05：
A conductor layer is formed in the neighboring area 14 on substrate 10, the conductor layer includes plural bar the first wire 42 and plural number article the
Two wires 44, wherein each first wire 42 is electrically connected with each first axial electrode 20, each second wire 44 is electrically connected with each second
Axial electrode 30.Step S07：Plural bar ground wire 50 is formed in the neighboring area 14 of substrate 10, wherein each ground wire 50 that
It is electrically connected with around here, and at least one ground wire 50 is located between the first wire 42 and the second wire 44.Step S09：Formed extremely
A few bonding land, wherein bonding land is electrically connected with comprising an at least junction piece 52 with ground wire 50, additionally, ground wire 50 is by connecing
Block 52 is closed to be connected and be grounded with a circuit board (not shown) of outside.Finally carry out step S11：A protective layer 60 is formed, comprehensively
Property is covered on touch area 12 and neighboring area 14, to protect each component not destroyed.
Above-mentioned preparation method flow is only a preferred embodiment, and the present invention is not limited thereto, and can be according to different
Embodiment, is changed by above-mentioned Making programme, is come under in covering scope of the invention, for example, above-mentioned Making programme
In step S03~step S09, its production order is not limited to this, and can arbitrarily change according to the actual requirements.Additionally, above-mentioned
Preparation method be more optionally formed a flatness layer 18 and be located between substrate 10 and inductive layer 16 (as shown in Figure 3), with solution
The problem of substrate surface out-of-flatness.And a masking frame 19 is formed selectively in (such as Fig. 4 in the neighboring area 14 on substrate 10
It is shown), and masking frame covers the neighboring area of substrate, can reach the unnecessary light of masking and beauty function.And it is noticeable
It is that masking frame 19 can be formed without while and depositing respectively with flatness layer 18 in this case.Other change kenels are included：Change
Become junction piece quantity (as shown in Figure 5), change ground wire 50 encircled area (as shown in Figure 6), even be step S05 it
Afterwards, a plurality of insulating barriers 38 are further formed to be covered on the first wire of part 42 or the second wire of part 44, makes each ground connection
Line 50 is allowed across the first wire 42 or the second wire 44 (as shown in Figure 7).Certainly, above-mentioned various change kenel, for example
Whether is the formation of masking frame, flatness layer and insulating barrier, and the present invention is not limited thereto, can be according to actual fabrication flow, unrestricted choice
Property ground add touch panel module of the invention.Its material selection is disclosed in aforementioned paragraphs, be will not be repeated here.Letter and
Yan Zhi, according to provided by the present invention touch panel structure provided, its relative production step, comes under the making of contact panel of the present invention
In method scope.
In sum, contact panel that the present invention is provided and preparation method thereof, the ground wire of contact panel all electrically connects
It is connected together, and only can be at least connected on the circuit board of outside to reach the purpose of ground connection by a pin position, largely subtracts
The usage amount of few contact panel pin position.Additionally, also allowing ground wire to be set across wire in the present invention, therefore make ground wire
Configuration is more flexible, further makes the more efficient utilization in neighboring area of contact panel, reduces cost of manufacture.In addition, of the invention
Also allow to make multiple pin positions, and ground wire is completely surrounded into touch area, to shield the interference of extraneous static, can all enter
One step increases the reliability of contact panel.
The foregoing is only the preferred embodiments of the invention, all impartial changes done according to scope of the present invention patent with
Modification, should all belong to the covering scope of the present invention.
Claims (16)
1. a kind of contact panel, it is characterised in that include：
One substrate, substrate definition has a touch area and the neighboring area around the touch area；
One inductive layer, on the substrate and in the touch area, and the inductive layer includes the plural axial electrode of bar first
With the axial electrode of plural bar second；
One conductor layer, on the substrate and in the neighboring area, and the conductor layer is divided into the wire of plural bar first and answers
Several second wires, wherein each first wire is located in one first conductor area, each second wire is located at one second conductor area
It is interior, and each first wire is electrically connected with first axial electrode, each second wire is electrically connected with the second axial direction electricity
Pole；
One ground wire, on the substrate and in the neighboring area, the ground wire has multiple branches, wherein, a branch
Around the touch area and surrounding the inductive layer and the conductor layer, an at least branch is located at first conductor area and second is led with this
Preventing the signal cross-talk between first wire and second wire between line region；And
One bonding land, in the neighboring area, the bonding land includes multiple junction pieces, wherein plural bar ground wire is electrically connected with
To the plurality of junction piece.
2. contact panel according to claim 1, it is characterised in that further include a circuit board,
And the junction piece is electrically connected with the circuit board.
3. contact panel according to claim 1, it is characterised in that further include cover side layer,
In the neighboring area, and between the conductor layer and the substrate.
4. contact panel according to claim 1, it is characterised in that further include a flatness layer,
Between the substrate and the inductive layer.
5. contact panel according to claim 1, it is characterised in that further include a protective layer,
On the inductive layer.
6. contact panel according to claim 1, it is characterised in that respectively the material of the ground wire is metal.
7. contact panel according to claim 1, it is characterised in that the ground wire and first wire or second wire
Intersect.
8. contact panel according to claim 7, it is characterised in that further include an insulating barrier positioned at the ground wire with this
The crossover sites of one wire or second wire.
9. a kind of preparation method of contact panel, includes：
A substrate is provided, the substrate is divided into a touch area and the neighboring area around the touch area；
An inductive layer is formed in the touch area on the substrate, wherein the inductive layer include the plural axial electrode of bar first and
The axial electrode of plural bar second；
A conductor layer is formed in the neighboring area on the substrate, and the conductor layer is divided into the wire of plural bar first and plural bar
Second wire, wherein each first wire is located in one first wire block, each second wire is located in one second wire block, and
Each first wire is electrically connected with first axial electrode, and each second wire is electrically connected with second axial electrode；With
And
A ground wire is formed in the neighboring area on the substrate, wherein the ground wire has multiple branches, wherein, branch's ring
Around the touch area and the inductive layer and the conductor layer are surrounded, an at least branch is located at the first wire block and second wire
Preventing the signal cross-talk between first wire and second wire between block；And
A bonding land is formed in the neighboring area, the bonding land includes multiple junction pieces, wherein plural bar ground wire is electrical
It is connected to the plurality of junction piece.
10. preparation method according to claim 9, it is characterised in that one circuit board of offer be provided, and the junction piece with
The circuit board is electrically connected with.
11. preparation methods according to claim 9, it is characterised in that further include to form cover side layer, positioned at the Zhou Bianqu
In domain, and between the conductor layer and the substrate.
12. preparation methods according to claim 9, it is characterised in that further include to form a flatness layer, positioned at the substrate with
Between the inductive layer.
13. preparation methods according to claim 9, it is characterised in that further include to form a protective layer, positioned at the inductive layer
On.
14. preparation methods according to claim 9, it is characterised in that wherein respectively the material of the ground wire is metal.
15. preparation methods according to claim 9, it is characterised in which part ground wire and first wire and this
Second wires cross.
16. preparation methods according to claim 15, it is characterised in that further include an insulating barrier positioned at the ground wire and be somebody's turn to do
The crossover sites of the first wire and second wire.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310093863.3A CN104063081B (en) | 2013-03-22 | 2013-03-22 | Contact panel and preparation method thereof |
| TW103202807U TWM485450U (en) | 2013-03-22 | 2014-02-18 | Touch panel |
| TW103105364A TWI528237B (en) | 2013-03-22 | 2014-02-18 | Touch panel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310093863.3A CN104063081B (en) | 2013-03-22 | 2013-03-22 | Contact panel and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104063081A CN104063081A (en) | 2014-09-24 |
| CN104063081B true CN104063081B (en) | 2017-07-11 |
Family
ID=51550827
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310093863.3A Active CN104063081B (en) | 2013-03-22 | 2013-03-22 | Contact panel and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104063081B (en) |
| TW (2) | TWI528237B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10037952B2 (en) | 2015-02-10 | 2018-07-31 | Mediatek Inc. | Integrated circuit, electronic device and method for transmitting data in electronic device |
| US9978692B2 (en) | 2015-02-10 | 2018-05-22 | Mediatek Inc. | Integrated circuit, electronic device and method for transmitting data in electronic device |
| CN106325585B (en) * | 2015-07-10 | 2019-10-18 | 南京瀚宇彩欣科技有限责任公司 | Has the touch-control structure of electrostatic protection |
| CN106980399B (en) * | 2016-01-15 | 2023-10-24 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN106201084A (en) * | 2016-07-11 | 2016-12-07 | 京东方科技集团股份有限公司 | Contact panel and preparation method thereof, touch control display apparatus |
| CN107340933B (en) * | 2017-08-14 | 2020-07-14 | 业成科技（成都）有限公司 | Touch panel and manufacturing method thereof |
| US11144168B1 (en) * | 2020-06-19 | 2021-10-12 | Hannstouch Solution Incorporated | Touch panel and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768603A (en) * | 2012-06-13 | 2012-11-07 | 友达光电股份有限公司 | Touch control panel capable of reducing capacitive coupling effect |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100582875C (en) * | 2007-04-13 | 2010-01-20 | 群康科技(深圳)有限公司 | Touch screen display apparatus |
| CN201897781U (en) * | 2010-06-24 | 2011-07-13 | 天马微电子股份有限公司 | Capacitive touch screen |
| WO2012147634A1 (en) * | 2011-04-28 | 2012-11-01 | シャープ株式会社 | Input device, tactile contact position detection method, and display device provided with input device |
| CN202815771U (en) * | 2012-08-21 | 2013-03-20 | 宸鸿科技(厦门)有限公司 | Touch control device |
| CN203204586U (en) * | 2013-03-22 | 2013-09-18 | 宸鸿科技(厦门)有限公司 | Touch panel |
-
2013
- 2013-03-22 CN CN201310093863.3A patent/CN104063081B/en active Active
-
2014
- 2014-02-18 TW TW103105364A patent/TWI528237B/en active
- 2014-02-18 TW TW103202807U patent/TWM485450U/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768603A (en) * | 2012-06-13 | 2012-11-07 | 友达光电股份有限公司 | Touch control panel capable of reducing capacitive coupling effect |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI528237B (en) | 2016-04-01 |
| CN104063081A (en) | 2014-09-24 |
| TW201437877A (en) | 2014-10-01 |
| TWM485450U (en) | 2014-09-01 |
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