CN103902082B - Touch panel and its manufacturing method - Google Patents
Touch panel and its manufacturing method Download PDFInfo
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- CN103902082B CN103902082B CN201210580832.6A CN201210580832A CN103902082B CN 103902082 B CN103902082 B CN 103902082B CN 201210580832 A CN201210580832 A CN 201210580832A CN 103902082 B CN103902082 B CN 103902082B
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Abstract
A kind of touch panel defines sensing area and the line areas for being located at sensing area edge, which is characterized in that the touch panel includes: electrode layer, is located in sensing area；Conductor layer No.1 is located in line areas, and is electrically connected with electrode layer；Second conductor layer, with conductor layer No.1 in being electrically connected in line areas；And insulating layer, in being to be arranged between the conductor layer No.1 and second conductor layer and be equipped with multiple first through holes in the line areas, which passes through first through hole with second conductor layer and is electrically connected.Present invention simultaneously discloses a kind of manufacturing methods of touch panel.Above-mentioned touch electrode structure can be used for larger-size touch panel, i.e., in the case where not increasing touch panel frame shaded areas width, while improving the problem of signal caused by large size panel is decayed.
Description
Technical field
The present invention relates to touch technologies, more particularly to a kind of touch panel and its manufacturing method.
Background technique
As shown in Figure 1, being a kind of traditional touch panel structure provided schematic diagram.The touch panel 10 is arranged including vertical interlaced
First electrode 1 and second electrode 2.It draws by conducting wire 3 and converges to controller in the both ends of first electrode 1 and second electrode 2
4.Extraneous conductive body will lead to the electrical parameter in certain first electrodes 1 and second electrode 2 to the touch of electrode and change, electricity
The changed electric signal of parameter is transmitted in controller 4, by the position of touch is calculated, to further realize touch-control
Function.It is appreciated that conducting wire 3, which converges to 4 paths traversed of controller also from one end, to be become as touch panel size increases
Long, according to law of resistance R=ρ L/S(ρ be the resistivity of 3 material of conducting wire, L is the length of conducting wire 3, the section face that S is conducting wire 3
Product), in the case where ρ and S constant, the increase of 3 length of conducting wire will lead to that line resistive is big, cause the decaying of touching signals.Usually
Solution, can be by increasing the width of conducting wire 3 to increase the area of section of conducting wire 3, and then under equalizing contactor 3 is elongated
Line resistance, and then improve the attenuation problem of touching signals.But it is subsequent to be applied to touch panel due to the width for increasing conducting wire 3
When touch control display apparatus, in order to avoid conducting wire 3 is visual, the frame shaded areas of touch control display apparatus is (such as common touch-control mobile phone
Invisible range) it will also broaden, it is not able to satisfy the product demand of narrow frame touch control display apparatus so.
Summary of the invention
Based on this, it is necessary to provide the touch panel and its manufacturing method of a kind of reduction touching signals decaying, can meet
Under the product demand of narrow frame, the problem of signal attenuation for improving big panel is remained to.
A kind of touch panel defines sensing area and the line areas for being located at the sensing area edge, which is characterized in that described
Touch panel includes: electrode layer, is located in the sensing area；Conductor layer No.1 is located in the line areas, and electrical with the electrode layer
Connection；Second conductor layer is electrically connected with the conductor layer No.1 in the line areas；And insulating layer, in being in the line areas
Be arranged between the conductor layer No.1 and second conductor layer and be equipped with multiple first through holes, the conductor layer No.1 and this second
Conductor layer is electrically connected by first through hole.
A kind of manufacturing method of touch panel, the touch panel define sensing area and the line for being located at the sensing area edge
Road area includes the following steps: to be formed electrode layer in the sensing area；Conductor layer No.1 is formed in the line areas, and this first
Conductor layer and the electrode layer are electrically connected；The second conductor layer is formed, and second conductor layer and the conductor layer No.1 are in the route
It is electrically connected in area；And formed insulating layer, the insulating layer in be in the line areas setting the conductor layer No.1 and this second
Between conductor layer and multiple first through holes are equipped with, it is electrical that the conductor layer No.1 and second conductor layer pass through first through hole
Connection.
Above-mentioned touch panel is designed by double-deck conductor layer, under the width for not increasing conductor layer, in a disguised form increases resistance
Area, and then resistance value is balanced, whereby in the case where not increasing touch panel frame shaded areas width, while improving large scale face
The problem of signal caused by plate is decayed, so that the touch panel can be applied in larger-size touch-control product.
Detailed description of the invention
Fig. 1 is a kind of traditional touch panel structure provided schematic diagram；
Fig. 2 is the explosive view of the touch panel of an embodiment；
Fig. 3 is the explosive view of the touch panel of another embodiment；
Fig. 4 is the explosive view of the touch panel of another embodiment；
Fig. 5 is the manufacturing method flow chart of the touch panel of an embodiment；
Fig. 6 a ~ Fig. 6 c is the top view of the touch panel in flow chart shown in Fig. 5 in different step；
Fig. 6 d is cross-sectional view of Fig. 6 c along A-A ' hatching；
Fig. 7 is the manufacturing method flow chart of the touch panel of another embodiment；
Fig. 8 a ~ Fig. 8 c is the top view of the touch panel in flow chart shown in Fig. 7 in different step；
Fig. 8 d is cross-sectional view of Fig. 8 c along B-B ' hatching.
Specific embodiment
Referring to Fig. 2, the explosive view of the touch panel for an embodiment.Touch panel 100 has defined sensing area 102 and position
In the line areas 104 at 102 edge of sensing area, touch panel 100 include electrode layer 120, conductor layer No.1 130, insulating layer 140 with
And second conductor layer 150.104 position of line areas and quantity can be according to 130 institutes of specific structure and conductor layer No.1 of electrode layer 120
The number for the first conducting wire 132 for including adjusts, for example, line areas 104 can be located at the side or side of electrode layer 120 or more.
Electrode layer 120 is located in sensing area 102, and conductor layer No.1 130 is located in line areas 104 and is electrically connected with electrode layer 120.The
Two conductor layers 150 are electrically connected with conductor layer No.1 130 in line areas 104.Insulating layer 140 is in settable in line areas 104
Between conductor layer No.1 130 and the second conductor layer 150, and multiple first are equipped on the insulating layer 140 in line areas 104 and is passed through
Perforation 142, and conductor layer No.1 above-mentioned 130 and the second conductor layer 150 pass through the first through hole on insulating layer 140
142 are electrically connected to each other.
In the present embodiment, touch panel 100 further includes substrate 110, and conductor layer No.1 130 and electrode layer 120 are arranged
On substrate 100, insulating layer 140 in may be provided on electrode layer 120 in sensing area 102, insulating layer 140 in line areas 104 then
It may be provided on conductor layer No.1 130, the insulating layer 140 being provided on electrode layer 120 can be used to guard electrode layer 120.
Substrate 110 can be glass substrate or poly terephthalic acid class plastics (Polyethylene
Terephthalate, PET) etc. transparent substrates.Substrate 110 can be flat shape, curve form, or both combined shape,
And then adapt to different touch-control product needs.Substrate 110 also for hard substrate or can disturb formula substrate.
Electrode layer 120 can use silver nanowire (Silver Nano-Wire, SNW) layer, carbon nanotube (Carbon
Nanotube, CNT) layer, graphene (Graphene) layer, conductive polymer (Conductive Polymer) layer and gold oxide
Belong to (ITO, AZO ... Gel) layer etc..More particularly, when the material that electrode layer 120 is easily oxidized using silver nanowire etc., setting
In the also hermetic section air of the insulating layer 140 on electrode layer 120, the oxidation resistance of electrode layer is improved.
Conductor layer No.1 130 include a plurality of first conducting wire 132, the second conductor layer 150 include it is a plurality of respectively with the first conducting wire
132 corresponding second conducting wires 152.Position of the first above-mentioned through hole 142 on insulating layer 140 and the first conducting wire 132 and the
The position of two conducting wires 152 is corresponding.
Identical transparent conductive material, such as 130 He of conductor layer No.1 can be used in conductor layer No.1 130 and electrode layer 120
Electrode layer 120 can using silver nanowire (Silver Nano-Wire, SNW), carbon nanotube (Carbon nanotube,
CNT), graphene (Graphene), conductive polymer (Conductive Polymer) and oxidized metal (ITO, AZO ...
) etc. Gel it is made, because the two uses identical transparent conductive material, therefore the two can be formed simultaneously, but optionally, also can be different
When formed, in addition different conductive materials also can be used in conductor layer No.1 130 and electrode layer 120, such as electrode layer 120 is still upper
The transparent conductive material stated, but the alloy materials, oxygen such as the metal materials such as aluminium, silver, copper, molybdenum aluminium molybdenum can be used in conductor layer No.1 130
Change transparent materials or the aforementioned combinations such as indium tin, wherein preferentially, conductor layer No.1 130 uses metal material, metal material
With preferable conductivity.
Insulating layer 140 in line areas 104 in may be provided between conductor layer No.1 130 and the second conductor layer 150, thereon
First through hole 142 is corresponding with the position of the first conducting wire 132, and the quantity of the first through hole 142 can be according to the length of the first conducting wire 132
Degree determines, that is, there can be the first more through hole 142 on position corresponding with longer first conducting wire 132, and it is shorter by the
There can be the first less through hole 142 on the corresponding position of one conducting wire 132, but its forming quantity is not limited thereto, visually
Different designs and have different corresponding number or position.Insulating layer 140 can be transparent insulating layer, can use acrylic polymers
The transparent insulation materials such as (Acrylate Polymer) and epoxy resin (Epoxide Resin) are made.In one embodiment,
Insulating layer 140 in sensing area 102 in may be provided on electrode layer 120, what is more, due to being interval setting inside electrode layer 120
Electrode unit, therefore there are gap between electrode unit, and insulating layer 140 also can be filled in this situation in these gaps and
It is arranged on substrate 110.In addition, by adjusting the refractive index of insulating layer 140, it can reduce that electrode layer 120 is that may be present visually to ask
Topic, more specifically, refractive index can be selected greater than 120 refractive index of electrode layer in insulating layer 140 according to the difference of 120 material of electrode layer
0.1 material, or the material for selecting refractive index to be less than 120 refractive index 0.1 of electrode layer.In another embodiment, insulating layer 140
The laminated construction being made of different refractivity material it is whole can to reach adjusting by the refractive index of the different laminated materials of adjusting
The purpose of body touch electrode structure optical appearance.
It is transparent that alloy materials, the tin indium oxides such as the metal materials such as aluminium, silver, copper, molybdenum aluminium molybdenum etc. can be used in second conductor layer 150
Material or aforementioned combination, wherein preferentially, the second conductor layer 150 uses metal material, and metal material, which has, preferably leads
Electric rate.
Referring to FIG. 3, the explosive view of the touch panel for another embodiment.In this embodiment, between electrode layer 120 includes
Every the first direction electrode unit 122 and second direction electrode unit 124 of arrangement, and the adjacent second direction electrode unit of connection
124 connecting line 126, and first direction electrode unit 122 is located at 126 two sides of connecting line.First direction electrode unit 122 is along
The arrangement of one direction, second direction electrode unit 124 arrange in a second direction, preferably, first direction and second direction are mutually hung down
Directly.Second direction electrode unit 124 forms second direction electrode by the electric connection of connecting line 126.
Correspondingly, in the present embodiment, the insulating layer 140 in sensing area 104 is equipped with multiple second through holes
143, and 143 exposed part first direction electrode unit 122 of the second through hole.Second through hole 143 and the first through hole 142 can
It is formed in same step.The quantity of the second through hole 143 corresponding to each first direction electrode unit 122 can not be limited such as figure
Single number in 3, and its shape also can be the various shapes such as rectangular.Meanwhile second conductor layer 150 further include plural bridging line
154, bridging line 154 is set on the insulating layer 140 in sensing area 102, and bridging line 154 passes through the second through hole 143
It is electrically connected adjacent first direction electrode unit 122.By the connection of bridging line 154, the interval that arranges in a first direction
First direction electrode unit 122 be connected to form first direction electrode.Preferably, the second conducting wire 152 and bridging line 154
It using identical conductive material and is formed simultaneously, but different materials also can be used in the two.
In addition to above description, the present embodiment and previous embodiment connection relationship and materials'use in other elements, manufacture
It is substantially similar in program, it is not repeated here herein.
In other embodiments, the longitudinal space in circuit of touch panel area can be further utilized, such as in line areas 104
Interior can fold on the second conductor layer 150 sets to form privates layer (not shown), to further enhance conductor layer transmission signal
Effect.
In addition, in the embodiment of Fig. 2 and Fig. 3, touch panel is sequentially substrate 110, conductor layer No.1 130, insulating layer
140, the second conductor layer 150, but the stacked structure of each element is not limited to said sequence, as shown in figure 4, in another reality of the invention
It applies in example, the second conductor layer 250 is in being to be arranged over the substrate 210 in line areas 204；Insulating layer 240 is in being to set in sensing area 202
Set over the substrate 210, insulating layer 240 in be in line areas 204 be arranged on the second conductor layer 250, and be located at line areas 204 in
Insulating layer 240 be equipped with multiple first through holes 242, the position phase of the position of the first through hole 242 and the second conductor layer 250
It is corresponding；Electrode layer 220 and conductor layer No.1 230 are set on insulating layer 240, and conductor layer No.1 230 and the second conductor layer 250
It is electrically connected by the first through hole.The biaxially electrode structure or other types of electricity such as Fig. 3 also can be used in electrode layer 220
Pole structure, and it can be appreciated that when electrode layer 220 is using electrode structure such as Fig. 3, the second conducting wire for being set on substrate 210
Layer 250 also may include the bridging line that plural number is located in sensing area 202, while also may be used on the insulating layer 240 being located in sensing area 202
Accordingly it is equipped with multiple second through holes.
In addition to above description, the present embodiment and previous embodiment connection relationship and materials'use in other elements, manufacture
It is substantially similar in program, it is not repeated here herein.
In addition, present invention simultaneously provides a kind of manufacturing methods for forming above-mentioned touch panel, comprising the following steps: form electrode
Layer is in sensing area；Conductor layer No.1 is formed in line areas, and conductor layer No.1 and electrode layer are electrically connected；Second is formed to lead
Line layer, and the second conductor layer and conductor layer No.1 in line areas in being electrically connected；And insulating layer is formed, insulating layer is in line areas
It is inside to be arranged between conductor layer No.1 and the second conductor layer and be equipped with multiple first through holes, conductor layer No.1 and the second conducting wire
Layer is electrically connected by the first through hole.
Above-mentioned steps can be formed according to different order, more specifically, the touching that following manner forms above-described embodiment can be used
Control panel.
As shown in figure 5, the manufacturing method flow chart of the touch panel for an embodiment.This method comprises the following steps.
Step S101: substrate is provided.Substrate 110 can be glass substrate or poly terephthalic acid class plastics
Transparent substrates such as (Polyethylene terephthalate, PET).Substrate 110 can be flat shape, curve form or two
The combined shape of person, and then adapt to different touch-control products and need.Substrate 110 also for hard substrate or can disturb formula substrate.
Step S102: transparency conducting layer is formed on substrate.Transparency conducting layer can use silver nanowire (Silver
Nano-Wire, SNW) layer, carbon nanotube (Carbon nanotube, CNT) layer, graphene (Graphene) layer, macromolecule lead
Electric (Conductive Polymer) layer and oxidized metal (ITO, AZO ... Gel) layer etc..Form the mode of transparency conducting layer
It can be using techniques such as printing, deposition, sputterings.
Step S103: etching transparency conducting layer forms electrode layer and conductor layer No.1.With reference to Fig. 6 a, conductor layer No.1 130
It is formed on substrate 110 with electrode layer 120, and conductor layer No.1 130 is located in line areas 104, electrode layer is located at sensing area 102
It is interior.Conductor layer No.1 130 includes a plurality of first conducting wire 132, these first conducting wires 132 are different from electrode layer 120 electric respectively
Pole is electrically connected.In the present embodiment, conductor layer No.1 130 and electrode layer 120 use identical transparent conductive material, and the two
It is formed simultaneously, but optionally, can not also be formed simultaneously, in addition different lead also can be used from electrode layer 120 in conductor layer No.1 130
Electric material, such as electrode layer 120 are still above-mentioned transparent conductive material, but the gold such as aluminium, silver, copper can be used in conductor layer No.1 130
Belong to transparent materials or the aforementioned combinations such as alloy materials, the tin indium oxides such as material, molybdenum aluminium molybdenum, wherein preferentially, the first conducting wire
Layer 130 uses metal material, and metal material has preferable conductivity.
Step S104: insulating layer is formed on conductor layer No.1.With reference to Fig. 6 b, insulating layer 140 is formed in conductor layer No.1
On 130.In the present embodiment, insulating layer 140 is formed simultaneously on electrode layer 120, that is, insulating layer 140 is in sensing area 102
It is formed on electrode layer 120, insulating layer in line areas 104 in being formed on conductor layer No.1 130.Insulating layer 140 can be with
Using the transparent insulation materials system such as acrylic polymers (Acrylate Polymer) and epoxy resin (Epoxide Resin)
At.
Step S105: the first through hole is formed on the insulating layer.The first through hole 142, and are formed on insulating layer 140
The position of pass through aperture 142 is corresponding with the position of the first conducting wire 132.In another embodiment, it is direct that printing technology can be used
Form the insulating layer of the first through hole 142 of tool.It refer again to Fig. 3, when electrode layer 120 is using the electrode structure such as Fig. 3, i.e. electrode
Layer 120 includes spaced first direction electrode unit 122 and second direction electrode unit 124, and connection adjacent second
The connecting line 126 of direction electrode unit 122, and first direction electrode unit 122 is located at 124 two sides of connecting line, at this point, being located at sense
Multiple second through holes 143, and 143 exposed part first party of the second through hole are also formed on the insulating layer 140 surveyed in area 102
To electrode unit 122.First through hole 142 and the second through hole 143 can be formed in same step.
Step S106: being formed on the insulating layer the second conductor layer, and the second conductor layer is made to pass through the first through hole and first
Conductor layer is electrically connected.With reference to Fig. 6 c, position corresponding with conductor layer No.1 130 forms the second conductor layer on insulating layer 140
150.The transparent materials such as alloy materials, the tin indium oxides such as the metal materials such as aluminium, silver, copper, molybdenum aluminium molybdenum can be used in second conductor layer 150
Material or aforementioned combination.Wherein, it may be preferable that the second conductor layer 150 is using preferable materials of conductivities such as metal materials.Work as electricity
When pole layer 120 is using such as electrode structure of Fig. 3, the second conductor layer 150 further includes plural bridging line 154, and bridging line 154 is formed in
On the insulating layer 140 in sensing area 102, and bridging line 154 is electrically connected adjacent first party by the second through hole 143
To electrode unit 122.
Fig. 6 d is to be located at the stacking structure of line areas 104 along the cross-sectional view of A-A ' hatching in Fig. 6 c.Insulating layer 140
It is covered on conductor layer No.1 130 and substrate 110, the second conductor layer 150 passes through the first through hole for being opened on insulating layer 140
142 are electrically connected with conductor layer No.1 130.
In other examples, the second conductor layer can also be first formed on substrate, then sequentially form insulating layer again
With conductor layer No.1 and electrode layer.
As shown in fig. 7, the manufacturing method flow chart of the touch panel for an embodiment.This method comprises the following steps.
Step S201: substrate is provided.Substrate 210 can be glass substrate or poly terephthalic acid class plastics
(Polyethylene terephthalate, PET) substrate.
Step S202: the second conductor layer is formed on substrate.With reference to Fig. 8 a, the second conductor layer 250 is formed over the substrate 210
In in line areas 104.Wherein the second conductor layer 250 includes a plurality of second conducting wire 252.Second conductor layer 250 can be used aluminium, silver,
Transparent materials or the aforementioned combinations such as alloy materials, the tin indium oxides such as the metal materials such as copper, molybdenum aluminium molybdenum.Wherein, it may be preferable that the
Two conductor layers 250 are using preferable materials of conductivities such as metal materials.
Step S203: insulating layer is formed on the second conductor layer.With reference to Fig. 8 b, covers and formed on the second conductor layer 250
Insulating layer 240.In this step, insulating layer 240 is also extend to sensing area 202 and is formed over the substrate 210, that is, insulating layer
240 in sensing area 202 in being formed on substrate 210, and insulating layer 240 is in being formed at the second conductor layer 250 in line areas 204
On.Insulating layer 240 can use acrylic polymers (Acrylate Polymer) and epoxy resin (Epoxide Resin) etc.
Transparent insulation material is made.
Step S204: the first through hole is formed on the insulating layer of line areas.On the insulating layer 240 of line areas 104
It is formed with the first through hole 242, and the position of the first through hole 242 is corresponding with the position of the second conducting wire 252.In another implementation
In example, the insulating layer that printing technology directly forms the first through hole 242 of tool can be used.
Step S205: transparency conducting layer is formed on the insulating layer of sensing area and line areas.Transparency conducting layer can use
Silver nanowire (Silver Nano-Wire, SNW) layer, carbon nanotube (Carbon nanotube, CNT) layer, graphene
(Graphene) layer, conductive polymer (Conductive Polymer) layer and oxidized metal (ITO, AZO ... Gel) layer
Deng.The mode for forming transparency conducting layer can be using techniques such as printing, deposition, sputterings.
Step S206: etching transparency conducting layer forms electrode layer and conductor layer No.1, and makes the second conductor layer by first
Through hole and conductor layer No.1 are electrically connected.With reference to Fig. 8 c, electrode layer is formed on the insulating layer 240 being located in sensing area 202
220, conductor layer No.1 230 is formed on the insulating layer 240 being located in line areas 204.Conductor layer No.1 230 includes a plurality of first
Conducting wire 232 is electrically connected with the Different electrodes in electrode layer 220 respectively.In the present embodiment, conductor layer No.1 230 and electrode
Layer 220 is formed simultaneously using identical transparent conductive material, but optionally, can not be also formed simultaneously, in addition conductor layer No.1 230
Different conductive materials also can be used from electrode layer 220, such as electrode layer 220 is still above-mentioned transparent conductive material, but first
The transparent materials or aforementioned such as alloy materials, the tin indium oxides such as the metal materials such as aluminium, silver, copper, molybdenum aluminium molybdenum can be used in conductor layer 230
Combination, wherein preferentially, conductor layer No.1 230 use metal material, metal material have preferable conductivity.
Fig. 8 d is to be located at the stacking structure of line areas 204 along the cross-sectional view of B-B ' hatching in Fig. 8 c.Insulating layer 240
It is covered on the second conductor layer 250 and substrate 210, conductor layer No.1 230 passes through the first through hole for being opened on insulating layer 240
242 and second conductor layer 250 be electrically connected.
Separately in the present embodiment, it can be appreciated that second leads when electrode layer 220 is using such as electrode structure of Fig. 3 or Fig. 4
Line layer 250 also needs to be correspondingly formed bridging line in step S202, and the insulating layer 240 for extending to sensing area 202 also can be in step
The second through hole is correspondingly formed in S204.
According to the various embodiments described above, designed by double-deck conductor layer, it is covert to increase under the width for not increasing conductor layer
Wire glass, and then resistance value is balanced, whereby in the case where not increasing touch panel frame shaded areas width, while improving big ruler
The problem of signal caused by very little panel is decayed, so that the touch panel can be applied in larger-size touch-control product.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of touch panel defines sensing area and the line areas for being located at the sensing area edge, which is characterized in that the touching
Controlling panel includes:
Electrode layer is located in the sensing area；
Conductor layer No.1 is located in the line areas, and is electrically connected with the electrode layer；
Second conductor layer is electrically connected with the conductor layer No.1 in the line areas；And
Insulating layer, in being to be arranged between the conductor layer No.1 and second conductor layer and be equipped with multiple first to pass through in the line areas
Perforation, the conductor layer No.1 and second conductor layer are electrically connected by first through hole；
The conductor layer No.1 and the electrode layer are arranged on a substrate, and the insulating layer is in being arranged in the electrode layer in the sensing area
On, for the insulating layer in being arranged on the conductor layer No.1 in the line areas, which includes spaced first direction
Electrode unit and second direction electrode unit, and the connecting line of the adjacent second direction electrode unit of connection, and the first party
It is located at the connecting line two sides to electrode unit；The insulating layer in the sensing area is equipped with multiple second through holes, and should
The second through hole exposed part first direction electrode unit；Second conductor layer further includes a plurality of bridging line, which sets
It is placed on the insulating layer in the sensing area, and the bridging line is electrically connected adjacent this first by second through hole
Direction electrode unit, second through hole are to be formed with first through hole in same step.
2. the touch panel according to claim 1, which is characterized in that the conductor layer No.1 includes a plurality of first conducting wire, should
Second conductor layer includes a plurality of second conducting wire corresponding with a plurality of first conducting wire respectively.
3. the touch panel according to claim 1, which is characterized in that the conductor layer No.1 is with the electrode layer using identical
Transparent conductive material.
4. the touch panel according to claim 1, which is characterized in that second conductor layer uses metal material, alloy material
Material or aforementioned combination.
5. the touch panel according to claim 1, which is characterized in that the insulating layer is made of different refractivity material
Laminated construction.
6. a kind of manufacturing method of touch panel, which defines sensing area and the route for being located at the sensing area edge
Area, which comprises the steps of:
Electrode layer is formed in the sensing area；
Conductor layer No.1 is formed in the line areas, and the conductor layer No.1 and the electrode layer are electrically connected；
The second conductor layer is formed, and second conductor layer is electrically connected with the conductor layer No.1 in the line areas；And
Form insulating layer, the insulating layer is in being to be arranged between the conductor layer No.1 and second conductor layer and to set in the line areas
There are multiple first through holes, the conductor layer No.1 and second conductor layer to be electrically connected by first through hole；
The conductor layer No.1 and the electrode layer are formed on a substrate, and the insulating layer is in being formed at the electrode layer in the sensing area
On, for the insulating layer in being formed on the conductor layer No.1 in the line areas, which includes spaced first direction
Electrode unit and second direction electrode unit, and the connecting line of the adjacent second direction electrode unit of connection, and the first direction
Electrode unit is located at the connecting line two sides；Multiple second through holes are also formed on the insulating layer in the sensing area, and
The second through hole exposed part first direction electrode unit；Second conductor layer further includes a plurality of bridging line, the bridging line
It is formed on the insulating layer in the sensing area, and the bridging line is electrically connected adjacent this by second through hole
One direction electrode unit, second through hole are to be formed with first through hole in same step.
7. the manufacturing method of touch panel according to claim 6, which is characterized in that form the electrode layer on the substrate
It is specifically included with the step of conductor layer No.1:
Transparency conducting layer is formed on the substrate；And
It etches the transparency conducting layer and forms the electrode layer and the conductor layer No.1.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580832.6A CN103902082B (en) | 2012-12-27 | 2012-12-27 | Touch panel and its manufacturing method |
| TW102147834A TWI626567B (en) | 2012-12-27 | 2013-12-23 | Touch panel and manufacturing method thereof |
| TW102224250U TWM484145U (en) | 2012-12-27 | 2013-12-23 | Touch panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580832.6A CN103902082B (en) | 2012-12-27 | 2012-12-27 | Touch panel and its manufacturing method |
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| CN103902082A CN103902082A (en) | 2014-07-02 |
| CN103902082B true CN103902082B (en) | 2019-03-15 |
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|---|---|---|---|---|
| CN105446514A (en) * | 2014-08-21 | 2016-03-30 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN105373246B (en) * | 2014-08-29 | 2018-08-14 | 宝宸（厦门）光学科技有限公司 | Touch panel |
| CN106155403B (en) * | 2015-04-27 | 2023-05-02 | 安徽精卓光显技术有限责任公司 | Touch control element |
| TWI581146B (en) * | 2015-09-24 | 2017-05-01 | 恆顥科技股份有限公司 | Touch panel |
| CN105446565B (en) * | 2015-11-13 | 2018-03-06 | 业成光电（深圳）有限公司 | Rim area narrows formula contact panel and its touch control display apparatus |
| CN107229360B (en) * | 2016-03-23 | 2020-03-10 | 群创光电股份有限公司 | Touch panel, manufacturing method thereof and touch display device |
| CN107340941A (en) * | 2017-06-28 | 2017-11-10 | 昆山国显光电有限公司 | A kind of capacitive touch screen and preparation method thereof |
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| CN101216642A (en) * | 2008-01-08 | 2008-07-09 | 京东方科技集团股份有限公司 | Flat-panel display lead wire structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWM484145U (en) | 2014-08-11 |
| TW201426459A (en) | 2014-07-01 |
| CN103902082A (en) | 2014-07-02 |
| TWI626567B (en) | 2018-06-11 |
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