CN104657017A - Touch panel structure and production method thereof - Google Patents
Touch panel structure and production method thereof Download PDFInfo
- Publication number
- CN104657017A CN104657017A CN201510013228.9A CN201510013228A CN104657017A CN 104657017 A CN104657017 A CN 104657017A CN 201510013228 A CN201510013228 A CN 201510013228A CN 104657017 A CN104657017 A CN 104657017A
- Authority
- CN
- China
- Prior art keywords
- transparent electrode
- electrode layer
- touch panel
- panel structure
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
The invention provides a touch panel structure and a production method thereof. The production method of the touch panel structure includes the following steps: a substrate is provided; a transparent electrode layer is formed on the substrate; the transparent electrode layer is patterned and a patterned transparent electrode layer is formed, wherein the corner structure of the patterned transparent electrode layer is of a circular arc-shaped corner structure. By means of the production method disclosed the invention, the corner structure of the patterned transparent electrode layer can be prevented from cracking, and thereby the performance of the patterned transparent electrode layer is prevented from being impaired.
Description
Technical field
The invention relates to a kind of touch panel structure provided and manufacture method.
Background technology
The screen of electronic installation is combined with load module by touch technology, and user only need use finger to press on the corresponding image of screen and can operate, very easily directly perceived.Touch technology can be divided into resistance-type, condenser type and optical profile type.
Capacitive touch control techniques for arrange transparency electrode on transparent panel, and when user uses finger touching screen, the electrostatical binding between transparency electrode and human body also forms a coupling capacitance, so produce capacitance variations.From the induced current that coupling capacitance produces, the position of finger touching screen just can be obtained by calculating.Capacitance type touch-control panel has the advantages such as transmittance is high, reaction velocity is fast, durability is good, also can have the function of multi-point touch in addition.
In order to make contact panel, there is multi-point touch function, the transparency electrode be arranged on panel must have corner design, but corner structure is when experiencing the high-low temperature difference in production run, will because of inequality of expanding with heat and contract with cold, and make the corner structure of transparency electrode produce slight crack, thus damage the usefulness of transparency electrode.
Summary of the invention
The invention provides a kind of touch panel structure provided and manufacture method, avoid the usefulness damaging patterned transparent electrode layer in order to avoid the corner structure of patterned transparent electrode layer to produce slight crack.
According to an aspect of the present invention, provide a kind of touch panel structure provided manufacture method, comprise: substrate is provided; Form transparent electrode layer on substrate; And patterned transparent electrode layer form a patterned transparent electrode layer, wherein the corner structure of this patterned transparent electrode layer is arc chord angle structure.
In one or more embodiment of the present invention, touch panel structure provided manufacture method more comprises formation metallic circuit layer on substrate; And curing metal line layer, wherein the solidification temperature of curing metal line layer is about 85 DEG C ~ 100 DEG C.
In one or more embodiment of the present invention, the material of metallic circuit layer comprises silver.
In one or more embodiment of the present invention, the set time of metallic circuit layer is 90 minutes.
According to another aspect of the present invention, provide a kind of touch panel structure provided, comprise: substrate, patterned transparent electrode layer and metallic circuit layer.Patterned transparent electrode layer is arranged on substrate, and wherein the corner structure of patterned transparent electrode layer is arc chord angle structure.Metallic circuit layer is arranged on substrate.
In one or more embodiment of the present invention, the arc radius of corner structure is about 50 microns.
In one or more embodiment of the present invention, the live width of patterned transparent electrode layer and line-spacing are at least about 50 microns respectively.
In one or more embodiment of the present invention, the arc radius of corner structure is about 100 microns.
In one or more embodiment of the present invention, the live width of patterned transparent electrode layer and line-spacing are at least about 100 microns respectively.
In one or more embodiment of the present invention, the material of metallic circuit layer comprises silver.
The above-mentioned embodiment of the present invention is set to arc chord angle structure by by the corner structure of patterned transparent electrode layer, cushion the touch panel structure provided internal stress produced because expanding with heat and contract with cold inequality, thus the corner structure of patterned transparent electrode layer is avoided to produce slight crack, to avoid the usefulness damaging patterned transparent electrode layer.In addition, compared to conventional touch panel, of the present invention touch panel structure provided only by the corner structure shift design of patterned transparent electrode layer, so touch panel structure provided overall optical characteristics and functional by unaffected.
Accompanying drawing explanation
Reader, after having read the specific embodiment of the present invention with reference to accompanying drawing, will become apparent various aspects of the present invention.Wherein,
Fig. 1 illustrates the touch panel structure provided manufacture method process flow diagram according to an embodiment of the present invention.
Fig. 2 illustrates the upper schematic diagram of the substrate according to an embodiment of the present invention.
Fig. 3 A to Fig. 3 C illustrates the sectional view of each step of touch panel structure provided processing procedure according to an embodiment of the present invention, and wherein profile position is the line segment 3 of Fig. 2.
Fig. 4 illustrates the touch panel structure provided local top view according to an embodiment of the present invention.
Fig. 5 illustrates the touch panel structure provided manufacture method process flow diagram according to another embodiment of the present invention.
Fig. 6 illustrates the sectional view of the touch panel structure provided processing procedure wherein step according to another embodiment of the present invention, and wherein profile position is the line segment 3 of Fig. 2.
Embodiment
Below will with graphic exposure multiple embodiment of the present invention, as clearly stated, the details in many practices will be explained in the following description.But should be appreciated that, the details in these practices is not applied to limit the present invention.That is, in some embodiments of the present invention, the details in these practices is non-essential.In addition, for the purpose of simplicity of illustration, some known usual structures and assembly illustrate in the mode simply illustrated in the drawings.
Fig. 1 illustrate according to an embodiment of the present invention touch panel structure provided 100 manufacture method process flow diagram.Fig. 2 illustrates the upper schematic diagram of the substrate 110 according to an embodiment of the present invention.Fig. 3 A to Fig. 3 C illustrate according to an embodiment of the present invention touch panel structure provided 100 the sectional view of each step of processing procedure, wherein profile position is the line segment 3 of Fig. 2.The present invention is different, and embodiment provides a kind of manufacture method of touch panel structure provided 100, and touch panel structure provided 100 are mainly and are applied to capacitance type touch-control panel.
As shown in Figure 1, Figure 2 and Fig. 3 A illustrated, step 10 is for providing substrate 110, and wherein substrate 110 has viewing area 111 and surrounding zone 112, and surrounding zone 112 is around viewing area 111, and surrounding zone 112 can as the frame region of touch panel structure provided 100.
In the present embodiment, substrate 110 is soft substrate plate.Specifically, substrate 110 is polyethylene terephthalate (Polyethylene Terephthalate, PET) substrate, but is not limited to this.In other embodiments, substrate 110 can be the soft substrate plate of hard substrate or other kinds, and hard substrate can be such as glass substrate, and soft substrate plate can be such as polyimide (Polyimide, PI) substrate.
As Fig. 1 and Fig. 3 B illustrate, step 20 for formed transparent electrode layer 120 on substrate 110.
The material of transparent electrode layer 120 can be tin indium oxide (Indium Tin Oxide, ITO).Should be appreciated that, the material of above the transparent electrode layer 120 lifted is only illustration, and is not used to limit the present invention, and persond having ordinary knowledge in the technical field of the present invention, should look actual needs, and elasticity selects the material of transparent electrode layer 120.
Transparent electrode layer 120 can be formed by deposition manufacture process, wherein deposition manufacture process can be electricity slurry strengthening chemical vapor deposition method (Plasma Enhanced Chemical Vapor Deposition, PECVD), physical vapor vapour deposition method (Physical Vapor Deposition), sputter or other deposition manufacture process.
Fig. 4 illustrate according to an embodiment of the present invention touch panel structure provided 100 local top view.As Fig. 1, Fig. 3 C and Fig. 4 illustrate, step 30 is patterned transparent electrode layer 120 and forms a patterned transparent electrode layer 122 in viewing area 111, wherein patterned transparent electrode layer 122 has corner structure 124 and linear structure 126, and corner structure 124 is arc chord angle structure.
Specifically, patterned transparent electrode layer 122 can be formed by micro-shadow and etch process, but is not limited to this.In other embodiments, patterned transparent electrode layer 122 can be formed by other suitable processing procedures, such as: wire mark, rotary coating, ink-jet etc.
Due in process of production, touch panel structure provided 100 may experience high-low temperature difference, thus touch panel structure provided 100 are made to produce uneven situation of expanding with heat and contract with cold, so the corner structure 124 of patterned transparent electrode layer 122 will produce slight crack, the usefulness of infringement patterned transparent electrode layer 122.Arc chord angle structure is set to by by the corner structure 124 of patterned transparent electrode layer 122, by the internal stress that touch panel structure provided for available buffer 100 produce because expanding with heat and contract with cold inequality, thus the corner structure 124 of patterned transparent electrode layer 122 is avoided to produce slight crack, to avoid the usefulness damaging patterned transparent electrode layer 122.In addition, compared to conventional touch panel, the present invention is because touch panel structure provided 100 only by corner structure 124 shift design of patterned transparent electrode layer 122, so the overall optical characteristics of touch panel structure provided 100 and functional by unaffected.
Specifically, the inequality of expanding with heat and contract with cold of indication mainly contains two origin causes of formation herein.One is for when substrate 110 is soft substrate plate, substrate 110 is by rolling out in film roll, therefore substrate 110 is at longitudinal direction (Machine Direction, MD) with at transverse direction (TransverseDirection, TD) characteristic will be inconsistent, thus cause substrate 110 experience high-low temperature difference time harmomegathus amplitude will be inconsistent.It two is touch panel structure provided 100 inconsistent in the amplitude of expanding with heat and contract with cold in the region with patterned transparent electrode layer 122 and the region without patterned transparent electrode layer 122.
More particularly, when substrate 110 is polyethylene terephthalate substrate, substrate 110 is after the experience high temperature process of 150 DEG C/60 minutes, and the longitudinal direction of substrate 110 can shrink 0.4 ~ 1.0%, and the transverse direction of substrate 110 can shrink 0.2 ~ 0.5%.So the uneven situation of expanding with heat and contract with cold of substrate 110 may cause the corner structure 124 of patterned transparent electrode layer 122 to produce slight crack.
Fig. 5 illustrate according to another embodiment of the present invention touch panel structure provided 100 manufacture method process flow diagram.Fig. 6 illustrate according to another embodiment of the present invention touch panel structure provided 100 the sectional view of a processing procedure wherein step, wherein profile position is the line segment 3 of Fig. 2.Present embodiment is roughly the same with aforementioned embodiments, mainly introduces its deviation below.
As Fig. 2, Fig. 3 A and Fig. 5 illustrate, step 10 is for providing substrate 110, and wherein substrate 110 has viewing area 111 and surrounding zone 112, and surrounding zone 112 is around viewing area 111, and surrounding zone 112 can as the frame region of touch panel structure provided 100.
As Fig. 3 B and Fig. 5 illustrate, step 20 for formed transparent electrode layer 120 on substrate 110.
As Fig. 3 C, Fig. 4 and Fig. 5 illustrate, step 30 is patterned transparent electrode layer 122 form a patterned transparent electrode layer 122 in viewing area 111, and wherein the corner structure 124 of patterned transparent electrode layer 122 is arc chord angle structure.
As Fig. 5 and Fig. 6 illustrate, step 40 is for forming metallic circuit layer 130 on substrate 110.Specifically, metallic circuit layer 130 is formed in surrounding zone 112.Metallic circuit layer 130 is positioned at the patterned transparent electrode layer 122 of viewing area 111 and outside control module (such as flexible circuit board) in order to electrical connection, or in order to be electrically connected outside ground wire (ground wire of such as flexible circuit board), to reach effect of electrostatic defending.
In the present embodiment, the material of metallic circuit layer 130 comprises silver.Specifically, the material of metallic circuit layer 130 is elargol.Should be appreciated that, the material of above the metallic circuit layer 130 lifted is only illustration, and is not used to limit the present invention, and persond having ordinary knowledge in the technical field of the present invention, should look actual needs, and elasticity selects the material of metallic circuit layer 130.
In the present embodiment, metallic circuit layer 130 is formed by mode of printing, but is not limited to this.In other embodiments, metallic circuit layer 130 can be formed by coating method.
Step 50 is curing metal line layer 130.Specifically, the solidification temperature of curing metal line layer 130 is about 85 DEG C ~ 100 DEG C, and set time is about 90 minutes.Should be appreciated that, the embodiment of above the curing metal line layer 130 lifted is only illustration, and is not used to limit the present invention, persond having ordinary knowledge in the technical field of the present invention, should look actual needs, elasticity selects the embodiment of curing metal line layer 130.
Be converted to low temperature process by by the high temperature process (about 130 DEG C) of original curing metal line layer 130, touch panel structure provided 100 temperature difference be exposed to diminish, and thus alleviate the uneven situation of expanding with heat and contract with cold of touch panel structure provided 100.So touch panel structure provided 100 situations producing inequality of expanding with heat and contract with cold that high-low temperature difference causes will reduce, thus avoid the corner structure 124 of patterned transparent electrode layer 122 to produce slight crack, to avoid the usefulness damaging patterned transparent electrode layer 122.
As Fig. 2, Fig. 4 and Fig. 6 illustrate, the another embodiment of the present invention provides a kind of touch panel structure provided 100.Touch panel structure provided 100 comprise substrate 110, patterned transparent electrode layer 122 and metallic circuit layer 130.Patterned transparent electrode layer 122 is arranged on substrate 110, and wherein the corner structure 124 of patterned transparent electrode layer 122 is arc chord angle structure.Metallic circuit layer 130 is arranged on substrate 110.
Specifically, patterned transparent electrode layer 122 is arranged at viewing area 111, and metallic circuit layer 130 is arranged at surrounding zone 112.
Specifically, the arc radius of corner structure 124 can be about 50 microns.Accordingly, the live width of patterned transparent electrode layer 122 and line-spacing can be at least about 50 microns respectively.Or the arc radius of corner structure 124 can be about 100 microns.Accordingly, the live width of patterned transparent electrode layer 122 and line-spacing can be at least about 100 microns respectively.So the linear structure 126 of patterned transparent electrode layer 122 and corner structure 124 can have good collocation, and do not have installation space needed for corner structure 124 problem that cannot mate such as not enough.
The embodiment will illustrated for Fig. 4 and Fig. 6 below, (namely the solidification temperature of curing metal line layer 130 is 85 DEG C, and set time is 90 minutes to disclose the present invention's two embodiments; The arc radius of corner structure 124 is 50 microns or 100 microns) test case, illustrate touch panel structure provided 100 of above-mentioned embodiment by this, really can provide required performance.Should be appreciated that, in the following description, the parameter mentioned in the above-described embodiment will it is no longer repeated, only just further need not define person to be supplemented, and conjunction is first chatted bright.
First, touch panel structure provided 100 of two embodiments respectively through following three reliabilities test.Reliability test is respectively moisture and hot ageing (Damp Heat Cyclic, namely touch panel structure provided 100 to be in relative humidity be 93 ± 3%, temperature is experience 18 circulations in the environment of 30 DEG C ~ 65 DEG C of circulation change, each circulation is 8 hours), thermal shock (Thermal Shock, namely touch panel structure provided 100 be in temperature be in the environment of-40 DEG C ~ 85 DEG C of circulation change experience 50 times circulation, in a cycle, the time of environment maintenance-40 DEG C is 30 minutes, the time that environment maintains 85 DEG C is 30 minutes, temperature changes to 85 DEG C or the 85 DEG C times changing to-40 DEG C from-40 DEG C and is less than 3 minutes) and hot and humid (High Temperature And High Humidity, namely touch panel structure provided 100 to be in relative humidity be 95%, temperature is experience 30 circulations in the environment of 30 DEG C ~ 60 DEG C of circulation change, each circulation is 8 hours, in a cycle, the time that environment maintains 60 DEG C is 4 hours, the time of cooling is 1.5 hours, the time maintaining 30 DEG C is 1 hour, the time of heating up is 1.5 hours).After above three reliabilities test, use optical microscope to observe touch panel structure provided 100 of two embodiments respectively, the corner structure 124 of its patterned transparent electrode layer 122 confirms not produce slight crack.
The above-mentioned embodiment of the present invention is set to arc chord angle structure by by the corner structure 124 of patterned transparent electrode layer 122, cushion touch panel structure provided 100 internal stresss produced because expanding with heat and contract with cold inequality, thus the corner structure 124 of patterned transparent electrode layer 122 is avoided to produce slight crack, to avoid the usefulness damaging patterned transparent electrode layer 122.In addition, compared to conventional touch panel, because touch panel structure provided 100 only by corner structure 124 shift design of patterned transparent electrode layer 122, so the overall optical characteristics of touch panel structure provided 100 and functional by unaffected.
Above, the specific embodiment of the present invention is described with reference to the accompanying drawings.But those skilled in the art can understand, when without departing from the spirit and scope of the present invention, various change and replacement can also be done to the specific embodiment of the present invention.These change and replace and all drop in claims of the present invention limited range.
Claims (10)
1. a touch panel structure provided manufacture method, is characterized in that, this manufacture method comprises following steps:
One substrate is provided;
Form a transparent electrode layer on this substrate; And
This transparent electrode layer of patterning also forms a patterned transparent electrode layer, and wherein a corner structure of this patterned transparent electrode layer is arc chord angle structure.
2. manufacture method as claimed in claim 1, it is characterized in that, this manufacture method also comprises:
Form a metallic circuit layer on this substrate; And
Solidify this metallic circuit layer, the solidification temperature of wherein solidifying this metallic circuit layer is 85 DEG C ~ 100 DEG C.
3. manufacture method as claimed in claim 2, it is characterized in that, the material of this metallic circuit layer comprises silver.
4. manufacture method as claimed in claim 3, it is characterized in that, the set time of this metallic circuit layer is 90 minutes.
5. one kind touch panel structure provided, it is characterized in that, this is touch panel structure provided comprises:
One substrate;
One patterned transparent electrode layer, is arranged on this substrate, and wherein a corner structure of this patterned transparent electrode layer is arc chord angle structure; And
One metallic circuit layer, is arranged on this substrate.
6. touch panel structure provided as claimed in claim 5, it is characterized in that, the arc radius of this corner structure is 50 microns.
7. touch panel structure provided as claimed in claim 6, it is characterized in that, the live width of this patterned transparent electrode layer and line-spacing are at least 50 microns respectively.
8. touch panel structure provided as claimed in claim 5, it is characterized in that, the arc radius of this corner structure is 100 microns.
9. touch panel structure provided as claimed in claim 8, it is characterized in that, the live width of this patterned transparent electrode layer and line-spacing are at least 100 microns respectively.
10. touch panel structure provided as claimed in claim 5, it is characterized in that, the material of this metallic circuit layer comprises silver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013228.9A CN104657017A (en) | 2014-10-24 | 2015-01-09 | Touch panel structure and production method thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579665.2A CN104331200A (en) | 2014-10-24 | 2014-10-24 | Touch panel structure and manufacturing method thereof |
| CN2014105796652 | 2014-10-24 | ||
| CN201510013228.9A CN104657017A (en) | 2014-10-24 | 2015-01-09 | Touch panel structure and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104657017A true CN104657017A (en) | 2015-05-27 |
Family
ID=52405938
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410579665.2A Withdrawn CN104331200A (en) | 2014-10-24 | 2014-10-24 | Touch panel structure and manufacturing method thereof |
| CN201510013228.9A Pending CN104657017A (en) | 2014-10-24 | 2015-01-09 | Touch panel structure and production method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410579665.2A Withdrawn CN104331200A (en) | 2014-10-24 | 2014-10-24 | Touch panel structure and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN104331200A (en) |
| TW (1) | TWI521409B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873840A (en) * | 2017-02-16 | 2017-06-20 | 业成科技（成都）有限公司 | One-chip type touch panel structure and its manufacture method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106201135B (en) * | 2016-06-23 | 2019-03-26 | 京东方科技集团股份有限公司 | Touch base plate and preparation method thereof, touch screen |
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2014
- 2014-10-24 CN CN201410579665.2A patent/CN104331200A/en not_active Withdrawn
- 2014-11-20 TW TW103140275A patent/TWI521409B/en active
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2015
- 2015-01-09 CN CN201510013228.9A patent/CN104657017A/en active Pending
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| CN106873840A (en) * | 2017-02-16 | 2017-06-20 | 业成科技（成都）有限公司 | One-chip type touch panel structure and its manufacture method |
| CN106873840B (en) * | 2017-02-16 | 2019-10-08 | 业成科技（成都）有限公司 | One-chip type touch panel structure and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI521409B (en) | 2016-02-11 |
| TW201616302A (en) | 2016-05-01 |
| CN104331200A (en) | 2015-02-04 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150527 |
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| RJ01 | Rejection of invention patent application after publication |