CN105334988B - Touch panel - Google Patents
Touch panel Download PDFInfo
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- CN105334988B CN105334988B CN201410319985.4A CN201410319985A CN105334988B CN 105334988 B CN105334988 B CN 105334988B CN 201410319985 A CN201410319985 A CN 201410319985A CN 105334988 B CN105334988 B CN 105334988B
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- touch panel
- electrode axis
- conductive structure
- cover board
- transparent substrate
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Abstract
The present invention relates to technical field of touch control, provide a kind of touch panel, include: one first transparent substrate, which has a first surface；One first conductive structure, first conductive structure are formed in the first surface；It is characterized by: the material of first conductive structure is silver and first conductive structure includes a plurality of spaced first conductive units, the first conducting wire that every one first conductive unit is connect with the first electrode axis along one end of first direction comprising a first electrode axis extended in a first direction and one, wherein the first electrode axis is formed by the electrodes conduct wire grid interconnected, promotes the efficiency of touch panel manufacturing process.
Description
Technical field
The present invention relates to technical field of touch control, especially touch panel.
Background technique
With the high development of science and technology, touch panel has been widely used in various sci-tech products, for example,
Such as: smartphone, ATM.Currently, have numerous manufacturers and its downstream industry puts into touch panel and phase successively
Among the industry of pass, a new wave economic trend is brought.Therefore its importance can with application for the production of touch panel
See one spot.
Referring to Figure 1, Fig. 1 is the structural schematic diagram for being painted known touch panel.As shown, known touch panel 9 wraps
Contain a substrate 90；One transparency conducting layer 91 is formed in the surface 901 of substrate 90；And plural plain conductor 95, it is electrically connected
In transparency conducting layer 91.Wherein, transparency conducting layer 91 selects indium tin oxide (Indium tin oxide, ITO) to be used as material
It is formed in by way of sputter on the surface 901 of substrate 90, includes then cleaning by photoetching process, coating photoresist layer, exposes
Light, development, etching and film process form circuit pattern, finally pass through silk-screen printing skill on the edge of transparency conducting layer 91 again
Art type metal conducting wire 95.The forming process of above structure will cause the complicated and inefficient of touch panel manufacturing process, make
Dealer's investment related industry needs take more time and money.
Summary of the invention
In view of the problem of above-mentioned prior art, the present invention is to provide a kind of touch panel, includes one first transparent substrate,
With a first surface；And one first conductive structure, it is formed in the first surface；It is characterized by: first conductive structure it
Material is silver and first conductive structure includes a plurality of spaced first conductive units, every one first conductive unit packet
It the first electrode axis that is extended in a first direction containing one and one first is led with the first electrode axis along what one end of first direction was connect
Line, wherein the first electrode axis is formed by the electrodes conduct wire grid interconnected.
Further, the area ratio of the area of electrodes conduct line and the first electrode axis is 1: 100 in the first electrode axis.
Further, the line width of the electrodes conduct line is 5um.
Further, which extends in a first direction.
Further, which also includes a cover board, is divided into the non-visual of a visible area and an adjacent visible area
Area；And one first transparent insulation glue, it is bonded the cover board and the first transparent substrate, the first electrode axle position is in the visible area, this
One conducting wire is located at the non-visible area, and first surface is directed towards or backwards to the cover board.
Further, which also includes one second transparent substrate, has a second surface；One second conductive structure,
Second conductive structure is formed in the second surface and second conductive structure includes the second conductive list of a plurality of mutually insulateds
Member, wherein the second conductive structure material is silver, which includes second electricity extended in a second direction
Polar axis and second conducting wire that connect with the one end of second electrode axis in a second direction, wherein the second electrode axis is by interconnecting
Electrode cable grid protocol, first direction intersect with second direction；And one first transparent insulation glue, it is bonded the cover board and first thoroughly
Bright substrate, the first electrode axle position is in the visible area, which is located at the non-visible area, and first surface is directed towards or carries on the back
To the cover board.
Further, which also includes a light shield layer, positioned at the cover board non-visible area and cover the non-visible area.
The touch panel also includes a transparency conducting layer, be formed in the cover board towards on the surface of first transparent substrate, and at least
Positioned at the visible area of the cover board, the transparency conducting layer include a plurality of transparent electrode axis extended in a second direction, wherein those
Transparent electrode axis is electrically insulated each other and first direction is vertical with second direction；And a conducting wire group, it is formed in the light shield layer
The surface towards first transparent substrate, and the conducting wire group and the transparency conducting layer are electrically connected.
Further, which is formed at the surface towards first transparent substrate of the cover board, and the electrically conducting transparent
The layer covering part light shield layer.
Further, light shield layer part covers the transparency conducting layer, and wherein the light shield layer is Chong Die with the transparency conducting layer
Place is formed there through multiple via holes, and a conducting block is filled in each via hole, which passes through the conducting block in the via hole
It is electrically connected the transparency conducting layer.The color of the conducting block and the color of the light shield layer are same or similar.
Pattern need to only be can be completed by same program and be formed in the first conductive structure for touch panel provided by the invention, be not required to
In addition the first conductive structure for being electrically connected the present invention such as conducting wire is designed, the efficiency of touch panel processing procedure can be promoted in fact.
Detailed description of the invention
Advantage and spirit about the present invention can obtain further by detailed description of the invention below and institute's accompanying drawings
Solution.
Fig. 1 is painted the structural schematic diagram of known touch panel.
Fig. 2 is painted the structural schematic diagram of the first embodiment of touch panel of the present invention.
Fig. 3 is painted the top view of Fig. 1.
Fig. 4 is painted the enlarged drawing of I in Fig. 2.
Fig. 5 is painted the schematic diagram of the second embodiment of touch panel of the present invention.
Fig. 6 is painted the schematic diagram of side view of the Fig. 5 along the direction II-II.
Fig. 7 is painted the schematic diagram of the 3rd embodiment of touch panel of the present invention.
Fig. 8 is painted the schematic diagram of the second conductive structure in Fig. 7.
Fig. 9 is painted the schematic diagram of the fourth embodiment of touch panel of the present invention.
Figure 10 is painted the schematic diagram of the 5th embodiment of touch panel of the present invention.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.Scheme hereinafter with reference to correlation
Formula illustrates a kind of touch panel according to present pre-ferred embodiments, wherein identical component will be subject to identical reference marks
Explanation.
The structural schematic diagram of the first embodiment of touch panel of the present invention is painted incorporated by reference to referring to fig. 2-4, Fig. 2；Fig. 3 is painted
The top view of Fig. 1；Fig. 4 is painted the enlarged drawing of I in Fig. 2.As shown, a kind of touch panel 1 of the present invention, includes: one first
Transparent substrate 10 has a first surface 101；And one first conductive structure 11, it is formed in first surface 101, the first conductive knot
The material of structure 11 is silver.
First transparent substrate 10 is formed by flexible base plate or inflexible substrate by isolation material, such as: glass gathers
Ethylene terephthalate (PET), polymethyl methacrylate (PMMA), polycarbonate (PC) etc..In the present invention, first thoroughly
Bright substrate 10 is polyethylene terephthalate (PET) substrate.For the material of substrate 10, the present invention is without restriction in this.
It is all that there is first surface 101, it may be used to form the first conductive structure 11 in first surface, all belong to touch panel 1 of the present invention
The first transparent substrate 10 scope, the technical field of the invention have usually intellectual it should be appreciated that simultaneously can be according to itself
Demand selection unlike material the first transparent substrate 10, therefore it will not be described here.
First conductive structure 11 includes a plurality of spaced first conductive units 110, and adjacent first is conductive single
Member 110 is insulated from each other.Every one first conductive unit 110 includes first electrode axis 111 and is electrically connected with a first electrode axis 111
The first conducting wire 112, the first conducting wire 112 is to transmit the signal in first electrode axis 111.Wherein first electrode axis 111 is along
One direction X is arranged and the first conducting wire 112 is located at the first electrode axis 111 along one end of first direction X.
1111 grid protocol of electrodes conduct line that first electrode axis 111 is interconnected by one.1111 grid of electrodes conduct line can
For rule or irregular network, in the present embodiment, 1111 grid of electrodes conduct line is the grid of rule.But in other implementations
In example, 1111 grid of electrodes conduct line is irregular network, and irregular network can eliminate Moore striped, improves client's body
Sense is tested, invention is not limited thereto.Wherein, in order to make invisible, the width of electrodes conduct line 1111 of the naked eyes of first electrode axis 111
Degree range is 5-7um, can preferably be any line width in 5um, 6um or 7um.And the electrode in first electrode axis 111
The area of conductor wire 1111 and the area ratio of first electrode axis 111 are 1: 100.
First conductive structure 11, material are silver.In practical application, the forming step of the first conductive structure 11 are as follows: first
After the derivative of silver is set to the first surface 101 of the first transparent substrate 10 through printing or coating method, then by silver
Derivative is exposed program by light shield, is then become the silver ion of unexposed portion in the first conductive structure 11 with developer
Cheng Yin.Finally, again there is no the part of exposure in the first conductive structure of warm water washing 11.It is removed in the first conductive structure 11 whereby
Unwanted part is to form patterned first conductive structure 11.
Please and referring to Fig. 1, compared to known touch panel 9, tied if being intended to be formed a pattern (not shown in the figures) in conduction
Structure 91 needs first via one of etching program in conductive structure 91, then, needs in addition to design conducting wire 95 to be electrically connected conductive knot
Structure 91.However, pattern, which need to be only can be completed, in the present invention by same program is formed in the first conductive structure 11, the first conducting wire 112 is also
It is once-forming for a part of the first conductive structure 11, it is not required in addition design if conducting wire 95 is with the first of the electric connection present invention
Conductive structure 11 can promote the efficiency of touch panel processing procedure in fact.In addition, the material of the first conductive structure 11 is that ductility is preferable
Silver, when the first conductive structure 11 on the first flexible transparent substrate 10 coiled material, cut or be bonded and be constantly less prone to fracture
Situation, and then improve touch panel reliability.
It please merge the schematic diagram that the second embodiment of touch panel of the present invention is painted referring to Fig. 5 and Fig. 6, Fig. 5；Fig. 6 is painted
Schematic diagram of the Fig. 5 along the side view in the direction II-II.Compared to first embodiment, the touch panel that second embodiment provides is further
Include: a cover board 30, a light shield layer 31 and one first transparent insulation glue 40.
Cover board 30 is divided into an a visible area A and non-visible area B with the production of the transparent materials such as glass.Visible area A is located at
Image frame is watched from the region for user in the central location of cover board 30.Non-visible area B is located at the peripheral position of cover board 30,
It is adjacent to visible area A, belongs to the outer frame part for not showing image frame.Light shield layer 31 can be hindered with impermeable light ink or photoresist etc.
Be in the light the material production penetrated.Light shield layer 31 is located at the non-visible area B of cover board 30 and covering non-visible area.
It is to be bonded through the first transparent insulation glue 40 between cover board 30 and the first transparent substrate 10.First surface 101
It can be towards cover board 30 or back to cover board 30.In the present embodiment, first surface 101 is directed towards cover board 30, but the present invention is not
As limit.First electrode axis 111 is located in the visible area A of cover board 30, and the first conducting wire is located at the non-visible area B for doing 30.It hides
Photosphere 31 is formed on the surface of the first transparent substrate of direction 10 of cover board 30, be can avoid user whereby and is discovered the first conducting wire 112
Setting.But in other embodiments, light shield layer 31 can also be formed on the surface of the first transparent substrate 10 backwards of cover board 30,
The present embodiment is not limited thereto.
Incorporated by reference to the schematic diagram for the 3rd embodiment for being painted touch panel of the present invention referring to Fig. 7 and Fig. 8, Fig. 7；Fig. 8 is painted
The schematic diagram of second conductive structure in Fig. 7.Compared to second embodiment, the touch panel that 3rd embodiment provides further is wrapped
Contain: one second transparent insulation glue 50, one second transparent substrate 20 and one second conductive structure 21.Second transparent substrate, 20 selection with
First transparent substrate 10 is consistent.Second conductive structure 21 is formed on the second surface 201 of the second transparent substrate 20.Second is conductive
The structure and forming method of structure 21 are similar to the first conductive structure 11, and the second conductive structure 21 includes a plurality of spaced
Second conductive unit 210, and the second adjacent conductive unit 210 is insulated from each other.Every one second conductive unit 210 includes the second electricity
Polar axis 211 and the second conducting wire 212 being electrically connected with a second electrode axis 211.Second conducting wire 212 is to transmit second electrode axis
Signal in 211.Wherein Y is arranged second electrode axis 211 in a second direction and the second conducting wire 212 is located at the second electrode axis 211
One end of Y in a second direction, first direction X are mutually perpendicular to second direction Y.The electrode that second electrode axis 211 is interconnected by one
Conductor wire (does not indicate) grid protocol in figure.Wherein, in order to keep second electrode axis 211 invisible, the electrode of second electrode axis 211
The width range of conductor wire (not indicating in figure) is 5-7um, can preferably be any line width in 5um, 6um or 7um.And
The area of electrodes conduct line (not indicating in figure) in second electrode axis 211 and the area ratio of second electrode axis 211 are 1: 100.
First transparent substrate 10 fits with the second transparent substrate 20 through the second mucigel 50.Second surface 201 is court
To or backwards to cover board 30, in the present embodiment, second surface 201 is directed towards cover board 30.
Fig. 9 is referred to, Fig. 9 is the schematic diagram for being painted the fourth embodiment of touch panel of the present invention.Implement compared to second
Example, the touch panel that fourth embodiment provides further include: a transparency conducting layer 32 and a conducting wire group 33.Transparency conducting layer 32
It is formed on the surface of cover board 30, and covers part light shield layer 31.Specifically, transparency conducting layer 32 is located at the cover board 30 and is somebody's turn to do
Between first transparent substrate 10 and it is located at least in the visible area A of cover board 30.Transparency conducting layer 32 includes a plurality of Y in a second direction
The transparent electrode axis (figure do not indicate) of extension, wherein plural transparent electrode axis is electrically insulated each other and first direction X and the
Two direction Y are mutually perpendicular to.The material of transparency conducting layer 32 can be indium tin oxide (ITO), nano silver, graphene etc..
The surface with light shield layer 31 is mainly arranged in conducting wire group 33, and between light shield layer 31 and the first transparent substrate 10.
Conducting wire group 33 is electrically connected at transparency conducting layer 32, to transmit the signal in transparency conducting layer 32.The material of conducting wire group 33 is
Silver.In addition, the material of conducting wire group 33 also can be to be copper, aluminium, iron or tin.For the material of conducting wire group 33, the present invention is not added in this
It is all to can be used to be electrically connected conductive structure person with limitation, all belong to the scope of the conducting wire group 33 of touch panel of the present invention, institute of the present invention
Belong to technical field tool usually intellectual it should be appreciated that can simultaneously select the conducting wire group 33 of unlike material according to the demand of itself, therefore
It will not be described here.
0, Figure 10 is painted the schematic diagram of the 5th embodiment of touch panel of the present invention referring to Figure 1.Implement compared to the 4th
Example, the 5th embodiment provide touch panel the difference is that: 31 covering part transparency conducting layer 32 of light shield layer.Light shield layer
31 in multiple via holes 311 are formed there through at the stratification position of transparency conducting layer 32, which is formed by space
Conducting block (not indicating in figure) is filled respectively, is electrically connected at by the grade conducting blocks (not indicated in figure) for conducting wire group 33
Bright conductive layer 32.Wherein conducting block (not indicating in figure) is to use the conductive materials same or similar with the color of light shield layer 31,
It is visible with conducting block to avoid via hole 311 and influence the visual appearance effect of touch panel.
In conclusion the present invention provides a kind of touch panel, known indium tin oxide is substituted using as conductive structure with silver
Material, in this way, being overcome the disadvantage that known indium tin oxide is difficult to realize low resistance and is easily broken, and promote touch surface
The efficiency of board manufacturing process.Pattern need to only be can be completed by same program and be formed in the first conductive structure by the present invention, be not required in addition
The first conductive structure for being electrically connected the present invention such as conducting wire is designed, the efficiency of touch panel processing procedure can be promoted in fact.In addition, first leads
The material of electric structure is that ductility is preferably silver-colored, when the first conductive structure on the first flexible transparent substrate coiled material, cut
Or fitting is constantly less prone to the situation of fracture, and then improves the reliability of touch panel.
So far, the preferred embodiment of the touch panel of the present invention, is illustrated via above description and schema.At this
Disclosed all features all may be in conjunction with other structures in specification, each disclosed feature can in this specification
Can selectivity with replaced identical, equal or similar purpose feature, it is therefore, all other than especially significant feature
Feature disclosed by this specification is only an example in equal or similar features.By the description of present pre-ferred embodiments
Afterwards, being familiar with this technical field personnel should understand that, a present invention actually novel, progress and the invention for having industrial applicability,
Deep tool dynamogenetic value.The present invention as be familiar with skill people Ren Shi craftsman think and be it is all as modify, so not take off such as attached application range institute
It is intended to Protector.
Claims (10)
1. a kind of touch panel, includes: one first transparent substrate has a first surface；And one first conductive structure, it is formed in
The first surface；It is characterized by: the material of first conductive structure is to be exposed program by light shield by the derivative of silver,
Then the silver and first conductive structure become the silver ion of exposure portion point with developer includes a plurality of spaced the
One conductive unit, every one first conductive unit include a first electrode axis extended in a first direction and one with the first electrode
Axis along first direction one end connect the first conducting wire, wherein the first electrode axis by the electrodes conduct line interconnected grid-shaped
At the area ratio of the area of the electrodes conduct line and the first electrode axis is 1:100, the electrodes conduct line in the first electrode axis
Grid be irregular network.
2. touch panel according to claim 1, which is characterized in that the line width of the electrodes conduct line is 5um.
3. touch panel according to claim 1, which is characterized in that first conducting wire extends in a first direction.
4. touch panel according to claim 1, which is characterized in that further also include:
One cover board is divided into the non-visible area of a visible area and an adjacent visible area；And
One first transparent insulation glue, is bonded the cover board and the first transparent substrate, and the first electrode axle position is in the visible area, this first
Conducting wire is located at the non-visible area, and first surface is directed towards or backwards to the cover board.
5. touch panel according to claim 4, which is characterized in that further also include:
One second transparent substrate has a second surface；
One second conductive structure, which is formed in the second surface and second conductive structure includes a plurality of phases
The second conductive unit mutually to insulate, wherein the second conductive structure material is silver, which includes one along the
The second conducting wire that the second electrode axis and one that two directions extend are connect with the one end of second electrode axis in a second direction, wherein should
Second electrode axis is intersected by the electrode cable grid protocol that interconnects, first direction with second direction；And
One second transparent insulation glue is bonded first transparent substrate and second transparent substrate, which can in this
Vision area, which is located at the non-visible area, and second surface is directed towards or backwards to the cover board.
6. touch panel according to claim 4, which is characterized in that further also include:
One light shield layer, positioned at the cover board non-visible area and cover the non-visible area.
7. touch panel according to claim 6, which is characterized in that further also include:
One transparency conducting layer, be formed in the cover board towards on the surface of first transparent substrate, and be located at least in the cover board
Visible area, the transparency conducting layer include a plurality of transparent electrode axis extended in a second direction, wherein those transparent electrode axis that
This is mutually electrically insulated and first direction is vertical with second direction；And
One conducting wire group is formed in the surface towards first transparent substrate of the light shield layer, and the conducting wire group and the electrically conducting transparent
Layer is electrically connected.
8. touch panel according to claim 7, which is characterized in that the light shield layer be formed at the cover board towards this
The surface of one transparent substrate, and the transparency conducting layer covers the part light shield layer.
9. touch panel according to claim 8, which is characterized in that light shield layer part covers the transparency conducting layer,
In the light shield layer be formed there through multiple via holes with the transparency conducting layer overlapping, a conducting block is filled in each via hole, should
Conducting wire group is electrically connected the transparency conducting layer by the conducting block in the via hole.
10. touch panel according to claim 9, which is characterized in that the color of the conducting block and the color of the light shield layer
It is same or similar.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319985.4A CN105334988B (en) | 2014-07-01 | 2014-07-01 | Touch panel |
| TW103139340A TWI525502B (en) | 2014-07-01 | 2014-11-13 | Touch panel |
| TW103220106U TWM498346U (en) | 2014-07-01 | 2014-11-13 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319985.4A CN105334988B (en) | 2014-07-01 | 2014-07-01 | Touch panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105334988A CN105334988A (en) | 2016-02-17 |
| CN105334988B true CN105334988B (en) | 2019-03-12 |
Family
ID=53440172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410319985.4A Active CN105334988B (en) | 2014-07-01 | 2014-07-01 | Touch panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105334988B (en) |
| TW (2) | TWM498346U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107619B (en) * | 2017-12-26 | 2021-06-08 | 上海展扬通信技术有限公司 | Display module structure and terminal equipment |
| TWI804365B (en) * | 2022-06-27 | 2023-06-01 | 友達光電股份有限公司 | Display panel module and display device |
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| FR2924274B1 (en) * | 2007-11-22 | 2012-11-30 | Saint Gobain | SUBSTRATE CARRYING AN ELECTRODE, ORGANIC ELECTROLUMINESCENT DEVICE INCORPORATING IT, AND MANUFACTURING THE SAME |
| CN202795327U (en) * | 2012-09-19 | 2013-03-13 | 深圳市新济达光电科技有限公司 | Functional sheet used for self-induction capacitive touch screen and self-induction capacitive touch screen |
| CN102929462A (en) * | 2012-10-29 | 2013-02-13 | 烟台正海科技有限公司 | Capacitive touch panel |
| CN203250291U (en) * | 2013-05-02 | 2013-10-23 | 深圳欧菲光科技股份有限公司 | Touch screen |
| CN204066049U (en) * | 2014-07-01 | 2014-12-31 | 长鸿光电(厦门)有限公司 | Contact panel |
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- 2014-07-01 CN CN201410319985.4A patent/CN105334988B/en active Active
- 2014-11-13 TW TW103220106U patent/TWM498346U/en not_active IP Right Cessation
- 2014-11-13 TW TW103139340A patent/TWI525502B/en active
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| TW201247064A (en) * | 2011-02-02 | 2012-11-16 | 3M Innovative Properties Co | Patterned substrates with darkened conductor traces |
| TWM458612U (en) * | 2012-12-20 | 2013-08-01 | Ray Star System Solutions Xiamen Inc | Touch panels |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI525502B (en) | 2016-03-11 |
| CN105334988A (en) | 2016-02-17 |
| TWM498346U (en) | 2015-04-01 |
| TW201602858A (en) | 2016-01-16 |
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