CN105988615B - The manufacturing method of touch-control module - Google Patents
The manufacturing method of touch-control module Download PDFInfo
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- CN105988615B CN105988615B CN201510063322.5A CN201510063322A CN105988615B CN 105988615 B CN105988615 B CN 105988615B CN 201510063322 A CN201510063322 A CN 201510063322A CN 105988615 B CN105988615 B CN 105988615B
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- control electrode
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Abstract
A kind of manufacturing method of touch-control module discloses herein, comprising: forms at least one first touch control electrode on a substrate；An active layer is formed to be covered on first touch control electrode and the substrate；And a conductive defective material is embedded in the active layer, and to form an at least second touch control electrode on the active layer comprising: a conductive material layer is formed on the active layer, and wherein the conductive material layer includes an embedded part and a reservation part；And the embedded part of the conductive material layer is embedded in the active layer, to be respectively formed the conduction defective material and the second touch control electrode.
Description
Technical field
The invention relates to a kind of electronic device and its manufacturing methods.In particular to a kind of touch-control module and its system
Make method.
Background technique
With the rapid progress of electronics technology, touch-control module has been widely used in various electronic device, such as mobile
Phone, tablet computer etc..
Typical touch-control module for example may be disposed on display screen, including multiple touch control electrodes.In object (finger or touching
Touch pen etc.) close or touching display screen when, corresponding touch control electrode generates electric signal, and transmits electric signal to control circuit,
So as to reaching touch-control sensing.
In the fabrication process, usually the conductive materials between touch control electrode are removed using etching mode, with patterning
Touch control electrode, and make insulated from each other between touch control electrode.However, the way that partially electronically conductive substance is removed, will lead to touch-control module
Optical index it is uneven, and influence the optical homogeneity of touch-control module appearance.
Summary of the invention
Therefore an aspect of of the present present invention provides a kind of touch-control module to avoid the optical index of touch-control module uneven.Root
According to one embodiment of the invention, which includes a substrate, at least one first touch control electrode, an active layer and at least one
Second touch control electrode.First touch control electrode is set on the substrate.The active layer is covered in first touch control electrode and the base
On plate.One conductive defective material is embedded in the active layer.The second touch control electrode is set on the active layer.
An embodiment according to the present invention, the touch-control module further include an insulating layer.The insulating layer is set to second touch-control
On electrode.
An embodiment according to the present invention, the insulating layer are less than the second touch control electrode in the base in the orthographic projection on the substrate
Orthographic projection on plate.
An embodiment according to the present invention, the insulating layer do not overlap each other with the conduction defective material in the orthographic projection on the substrate.
An embodiment according to the present invention, the touch-control module further include at least one first conducting wire.First conducting wire is set to this
On substrate, and first touch control electrode in electrical contact.
An embodiment according to the present invention, the touch-control module further include at least one second conducting wire.Second conducting wire is set to this
In second touch control electrode, and the second touch control electrode in electrical contact.
An embodiment according to the present invention, second conducting wire are less than the second touch control electrode in this in the orthographic projection on the substrate
Orthographic projection on substrate.
An embodiment according to the present invention, second conducting wire are not weighed with the conduction defective material in the orthographic projection on the substrate each other
It is folded.
An embodiment according to the present invention, the second touch control electrode are different from the conduction defective material phase relative to the height of the substrate
For the height of the substrate.
An embodiment according to the present invention, the second touch control electrode are opposite relative to the height of the substrate and the conduction defective material
It is greater than 50 nanometers in the difference in height of the height of the substrate.
An embodiment according to the present invention, the second touch control electrode and the orthographic projection of conduction defective material on the substrate are each other not
Overlapping.
An embodiment according to the present invention, first touch control electrode and the second touch control electrode are strip.
An embodiment according to the present invention, first touch control electrode and the orthographic projection of the second touch control electrode on the substrate that
This is vertical.
An embodiment according to the present invention, first touch control electrode are realized by metal grill.
In addition, another aspect of the present invention provides a kind of manufacturing method of touch-control module.An embodiment according to the present invention, should
Manufacturing method includes: to form at least one first touch control electrode on a substrate；It forms an active layer and is covered in first touch-control electricity
On pole and the substrate；And a conductive defective material is embedded in the active layer, to form an at least second touch control electrode in the activation
On layer.
An embodiment according to the present invention, the manufacturing method further include: at least one first conducting wire is formed on the substrate, wherein
First conducting wire, first touch control electrode in electrical contact.
An embodiment according to the present invention is embedded in the conduction defective material in the active layer, with formed the second touch control electrode in
Step on the active layer includes: to form a conductive material layer on the active layer, and wherein the conductive material layer includes an insertion
Part and a reservation part；And the embedded part of the conductive material layer is embedded in the active layer, to be respectively formed this
Conductive defective material and the second touch control electrode.
An embodiment according to the present invention is embedded in the embedded part of the conductive material layer in the active layer, with shape respectively
It include: to provide an insertion liquid in the embedded part of the conductive material layer at the step of conduction defective material and second touch control electrode
On, to be embedded in the embedded part of the conductive material layer in the active layer.
An embodiment according to the present invention is embedded in the conduction defective material in the active layer, with formed the second touch control electrode in
Step on the active layer further include: in the embedded part for being embedded in the conductive material layer before the active layer, form one absolutely
Edge layer is on the reservation part of the conductive material layer.
An embodiment according to the present invention is embedded in the conduction defective material in the active layer, with formed the second touch control electrode in
Step on the active layer further include: in the embedded part for being embedded in the conductive material layer before the active layer, formed at least
One second conducting wire is on the reservation part of the conductive material layer.
In conclusion through the above-mentioned embodiment of application, it can be achieved that a kind of touch-control module.By insertion touch control electrode in base
In plate, can make it is insulated from each other between touch control electrode, to pattern touch control electrode.In this way, can avoid penetrating etching mode
Touch control electrode is patterned, and the optical index for avoiding touch-control module is uneven, and influences the optics one of touch-control module appearance
Cause property.
Detailed description of the invention
Figure 1A -4A is a kind of schematic diagram of the manufacturing method for the touch-control module being painted according to one embodiment of the invention；
Figure 1B -4B is touch-control module sectional view depicted in the direction line segment A-A in Figure 1A -4A；
Fig. 1 C-4C is touch-control module sectional view depicted in the direction line segment B-B in Figure 1A -4A；
Fig. 4 D is touch-control module sectional view depicted in the direction line segment C-C in Fig. 4 A；And
Fig. 5 is a kind of flow chart of the manufacturing method for the touch-control module being painted according to one embodiment of the invention.
Specific embodiment
It will clearly illustrate spirit of the invention below with attached drawing and in detail narration, have in any technical field usual
Skill is after understanding presently preferred embodiments of the present invention, when can be changed and be modified, simultaneously by the technology of teachings of the present invention
Spirit and scope of the invention are not departed from.
About " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position, also
It is non-to limit the present invention, only for distinguish with same technique term description element or operation.
About direction term used herein, such as: upper and lower, left and right, front or rear etc. are only with reference to attached drawings
Direction.Therefore, the direction term used is intended to be illustrative and not intended to limit the present invention.
It is open term, i.e., about "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
About it is used herein " and/or ", be include any of the things or all combination.
About word used herein (terms), in addition to having and especially indicating, usually have each word using herein
In field, herein in the content disclosed with the usual meaning in special content.Certain words to describe this exposure will be under
Or discussed in the other places of this specification, to provide those skilled in the art's guidance additional in the description in relation to this exposure.
Figure 1A -4A is a kind of schematic diagram of the manufacturing method for the touch-control module 100 being painted according to one embodiment of the invention.Figure
1B-4B is the sectional view depicted in the direction line segment A-A of touch-control module 100 in Figure 1A -4A.Fig. 1 C-4C is in Figure 1A -4A
The sectional view depicted in the direction line segment B-B of touch-control module 100.Fig. 4 D is the touch-control module 100 in Fig. 4 A along the direction line segment C-C
Depicted sectional view.
Referring specifically to Figure 1A, Figure 1B and Fig. 1 C.Firstly, in the first step, forming at least one first touch control electrode ETD1
And at least one first conducting wire TRC1 is on substrate SBT, wherein the first conducting wire TRC1 the first touch control electrode ETD1 in electrical contact.?
In the present embodiment, the first touch control electrode ETD1 can use metal, metal grill (metal mesh), metal oxide, conductive polymer
The suitably electrically conductive material realization such as son, carbon nanotubes, nano metal line, conducting resinl, conducting polymer, the dilute, nano metal of graphite, so
Invention is not limited thereto.First conducting wire TRC1 can be real with the suitably electrically conductive material such as metal, metal oxide, conducting polymer
Existing, so invention is not limited thereto.Substrate SBT can realize that so invention is not limited thereto with suitable materials such as glass, plastic cement.
Then, in the second step, active layer ACT is formed, is covered on the first touch control electrode ETD1 and substrate SBT.?
In one embodiment, the thickness of active layer ACT is generally between 50 microns to 550 microns, however invention is not limited thereto.It is real one
It applies in example, active layer ACT can use polyacids methyl esters (polymethyl methacrylate, PMMA), polycarbonate
(polycarbonate, PC), polyethylene terephthalate (polyethylene terephthalate, PET), ring-type
The appropriate high molecular material such as olefinic monomer co-polymer (cyclo olefin polymer, COP) realizes, however the present invention not with
This is limited.It should be noted that active layer ACT can be made more firm in the case where the first touch control electrode ETD1 is realized with metal grill
Ground is attached on substrate SBT and the first touch control electrode ETD1.
Then, in third step, conductive material layer CDT is formed on active layer ACT.In the present embodiment, conduction material
Bed of material CDT includes embedded part EBP and reservation part RTP.The reservation part RTP of conductive material layer CDT is to subsequent
The step of in formed second touch control electrode ETD2.The embedded part EBP of conductive material layer CDT is to shape in subsequent steps
At conductive defective material RMN (such as Fig. 4 C).Conductive material layer CDT can with carbon nanotubes, nano metal line, conducting resinl, conducting polymer,
The suitably electrically conductive material such as the dilute, nano metal of graphite is realized, however invention is not limited thereto.
So-called conduction defective material RMN refers in conductive material layer CDT, not to make second touch control electrode ETD2 (such as
Fig. 4 C) part.In the present embodiment, conductive defective material RMN and orthographic projection of the second touch control electrode ETD2 on substrate SBT be each other
It is not overlapped.In the present embodiment, conductive defective material RMN and orthographic projection of the second touch control electrode ETD2 on substrate SBT can form one
Complete plane, to keep the optical homogeneity of 100 appearance of touch-control module.
Then, referring specifically to Fig. 2A, Fig. 2 B and Fig. 2 C.In four steps, at least one second conducting wire TRC2 is formed in leading
On the reservation part RTP of material layer CDT, and the reservation part RTP of conductive material layer CDT in electrical contact.In the present embodiment,
Second conducting wire TRC2 can realize with the suitably electrically conductive material such as metal, metal oxide, conducting polymer, so the present invention not as
Limit.
Then, referring specifically to Fig. 3 A, Fig. 3 B and Fig. 3 C.In the 5th step, insulating layer INS is formed in conductive material layer
On the reservation part RTP of CDT.In the present embodiment, a part of insulating layer INS is covered on the second conducting wire TRC2.At this
In embodiment, insulating layer INS and the second conducting wire TRC2 jointly completely cover the reservation part RTP of conductive material layer CDT.
Then, referring specifically to Fig. 4 A, Fig. 4 B and Fig. 4 C.In the 6th step, it is embedded in the embedded part of conductive material layer CDT
EBP is maintained at reservation part RTP on the surface of active layer ACT in active layer ACT, to enable embedded part EBP and retain
Part RTP is separated and insulate.At this point, the embedded part EBP being embedded in active layer ACT becomes conductive defective material RMN, keep
Reservation part RTP on the surface of active layer ACT becomes second touch control electrode ETD2.In the present embodiment, conductive defective material RMN
First touch control electrode ETD1 or the first conducting wire TRC1 not in electrical contact.
In the present embodiment, conductive defective material RMN has height H1 (that is, the spacing with substrate SBT relative to substrate SBT
There is the height H2 (that is, being H2 with the spacing of substrate SBT) relative to substrate SBT for H1), second touch control electrode ETD2.Highly
H1 is different from height H2, and the difference of height H1 and H2 are greater than the thickness of conductive defective material RMN or are greater than second touch control electrode ETD2
Thickness so that conduction defective material RMN electrically isolates from second touch control electrode ETD2.In one embodiment, conductive defective material RMN is relative to base
The height H1 and second touch control electrode ETD2 of plate SBT is approximately greater than 50 relative to the difference in height between the height H2 of substrate SBT and receives
Rice.
It in one embodiment, is (to call insertion liquid in the following text by providing a kind of specific solvent in the 6th step of Yu Shangshu
(embedded ink)) on embedded part EBP in conductive material layer CDT, to enable the embedded part in conductive material layer CDT
EBP is embedded in active layer ACT from the surface of active layer ACT.In other words, by providing insertion liquid in conductive material layer CDT's
On embedded part EBP, the corresponding part in active layer ACT can be enabled to expand (swell), so that the conduction in conductive material layer CDT
Among infiltration to active layer ACT, to be embedded in embedded part EBP in active layer ACT.It should be noted that the aspect of insertion liquid
The material of active layer ACT is corresponded to, it is all to be enough to expand active layer ACT, so that conductive material penetrates among active layer ACT
Solution all can be used as insertion liquid.In one embodiment, the solubility parameter (solubility parameter) for being embedded in liquid is close
In the solubility parameter of the material of active layer ACT.
It should be noted that in embodiments of the present invention, the mode of permeable coating (spray) or printing (print) provides embedding
Enter liquid, but invention is not limited thereto.
Furthermore, it is noted that in the 6th step of Yu Shangshu, jointly due to insulating layer INS and the second conducting wire TRC2
Completely it is covered on the reservation part RTP of conductive material layer CDT, therefore when providing insertion liquid, insertion liquid can comprehensively be mentioned
For on the embedded part EBP of insulating layer INS, the second conducting wire TRC2 and conductive material layer CDT, without making conductive material layer
The reservation part RTP of CDT is embedded in active layer ACT, provides the processing procedure of insertion liquid to simplify.
Through above-mentioned manufacturing method, touch-control module 100 can be realized.Touch-control module is patterned by way of insertion
Second touch control electrode ETD2 in 100, rather than etching mode is penetrated, the optical index that can avoid touch-control module 100 is uneven
It is even, and influence the optical homogeneity of 100 appearance of touch-control module.
In other words, 100 second touch control electrode ETD2 of touch-control module is patterned by way of insertion can make the second touch-control electric
Pole ETD2 and conduction defective material RMN do not have gap substantially between the orthographic projection on substrate SBT or are not overlapped substantially.In this way,
It can avoid because of refractive index unevenness, and influence the optical homogeneity of 100 appearance of touch-control module.
When noticing term " substantially " in the present invention, be to modify can slight variations quantity and because manufacture
Nearmis caused by process, but this slight variations and nearmis can't change its essence.For example, by embedding
The mode entered patterns second touch control electrode ETD2 in touch-control module 100 may cause error because of extruding, so that the second touch-control
There is gap slightly between the orthographic projection on substrate SBT or be overlapped slightly each other in electrode ETD2 and conduction defective material RMN.However,
These are because of the nearmis caused by manufacturing process, also among the scope of the invention.
In the present embodiment, the first touch control electrode ETD1 and second touch control electrode ETD2 substantially strip, it is so of the invention
It is not limited.In the present embodiment, the first touch control electrode ETD1 is that the y-axis direction into Fig. 4 A extends, and the second touch-control is electric
Pole ETD2 is that the x-axis direction into Fig. 4 A extends.First touch control electrode ETD1 and second touch control electrode ETD2 are on substrate SBT
Orthographic projection is perpendicular to one another.
In one embodiment, conductive defective material RMN is not overlapped in the second conducting wire TRC2 or insulation in the orthographic projection on substrate SBT
Layer INS is in the orthographic projection on substrate SBT.In addition, the second conducting wire TRC2 and insulating layer INS are small in the orthographic projection on substrate SBT
In second touch control electrode ETD2 in the orthographic projection on substrate SBT.
Fig. 5 is a kind of flow chart of the manufacturing method 200 for the touch-control module being painted according to one embodiment of the invention.Manufacturer
Method 200 can be used to make above-mentioned touch-control module 100, so be not limited.It, will be with the touching in first embodiment in following paragraphs
The explanation of manufacturing method 200 is carried out for control module 100, so invention is not limited thereto.Manufacturing method 200 includes following step
Suddenly.
In step sl, at least one first touch control electrode ETD1 is formed on substrate SBT.
In step s 2, active layer ACT is formed to be covered on the first touch control electrode ETD1 and substrate SBT.
In step s3, insertion conduction defective material RMN is in active layer ACT, to form an at least second touch control electrode ETD2
In on active layer ACT.
Through above-mentioned manufacturing method 200, touch-control module 100 can be realized.Touch-control mould is patterned by way of insertion
Block 100, second touch control electrode ETD2, rather than etching mode is penetrated, the optical index that can avoid touch-control module 100 is uneven
It is even, and influence the optical homogeneity of 100 appearance of touch-control module.
In conclusion one embodiment of the invention discloses a kind of touch-control module.Touch-control module includes substrate, at least one first
Touch control electrode, active layer and an at least second touch control electrode.First touch control electrode is set on substrate.Active layer is covered in
In one touch control electrode and substrate.Conductive defective material is embedded in active layer.Second touch control electrode is set on active layer.
Another embodiment of the present invention discloses a kind of manufacturing method of touch-control module.Manufacturing method includes: to form at least one
First touch control electrode is on substrate；Active layer is formed to be covered on the first touch control electrode and substrate；And be embedded in conductive defective material in
In active layer, to form an at least second touch control electrode on active layer.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any to be familiar with this those skilled in the art,
Without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection scope of the present invention is when view
Subject to the scope of which is defined in the appended claims.
Claims (5)
1. a kind of manufacturing method of touch-control module characterized by comprising
At least one first touch control electrode is formed on a substrate；
An active layer is formed to be covered on first touch control electrode and the substrate；And
The conductive defective material of insertion one is in the active layer, to form an at least second touch control electrode on the active layer comprising:
A conductive material layer is formed on the active layer, wherein the conductive material layer includes an embedded part and a reserve part
Point；And
The embedded part of the conductive material layer is embedded in the active layer, to be respectively formed the conduction defective material and second touch-control
Electrode.
2. the manufacturing method of touch-control module according to claim 1, which is characterized in that further include:
At least one first conducting wire is formed on the substrate, wherein first conducting wire, first touch control electrode in electrical contact.
3. the manufacturing method of touch-control module according to claim 1, which is characterized in that this for being embedded in the conductive material layer is embedding
Enter part in the active layer, includes: to be respectively formed the conduction defective material with the step of second touch control electrode
An insertion liquid is provided on the embedded part of the conductive material layer, be embedded in the embedded part of the conductive material layer in
In the active layer.
4. the manufacturing method of touch-control module according to claim 1, which is characterized in that be embedded in the conduction defective material in the activation
In layer, to form the second touch control electrode in the step on the active layer further include:
In the embedded part for being embedded in the conductive material layer before the active layer, an insulating layer is formed in the conductive material layer
On the reservation part.
5. the manufacturing method of touch-control module according to claim 1, which is characterized in that be embedded in the conduction defective material in the activation
In layer, to form the second touch control electrode in the step on the active layer further include:
In the embedded part for being embedded in the conductive material layer before the active layer, at least one second conducting wire is formed in the conduction material
On the reservation part of the bed of material.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063322.5A CN105988615B (en) | 2015-02-06 | 2015-02-06 | The manufacturing method of touch-control module |
| TW105101590A TWI562043B (en) | 2015-02-06 | 2016-01-19 | Touch module and manufacturing method thereof |
| TW105200765U TWM522413U (en) | 2015-02-06 | 2016-01-19 | Touch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063322.5A CN105988615B (en) | 2015-02-06 | 2015-02-06 | The manufacturing method of touch-control module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105988615A CN105988615A (en) | 2016-10-05 |
| CN105988615B true CN105988615B (en) | 2019-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510063322.5A Active CN105988615B (en) | 2015-02-06 | 2015-02-06 | The manufacturing method of touch-control module |
Country Status (2)
| Country | Link |
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| CN (1) | CN105988615B (en) |
| TW (2) | TWI562043B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105988615B (en) * | 2015-02-06 | 2019-03-19 | 宸鸿光电科技股份有限公司 | The manufacturing method of touch-control module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130007710A (en) * | 2011-07-11 | 2013-01-21 | 현대자동차주식회사 | Conformal coating mixture for protection of pcb |
| CN103870076A (en) * | 2012-12-18 | 2014-06-18 | 明兴光电股份有限公司 | Touch panel and manufacturing method thereof |
| CN203759665U (en) * | 2014-03-05 | 2014-08-06 | 宸鸿光电科技股份有限公司 | Touch module |
| CN104020887A (en) * | 2014-05-30 | 2014-09-03 | 南昌欧菲光科技有限公司 | Touch screen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203930726U (en) * | 2014-03-25 | 2014-11-05 | 宸鸿科技(厦门)有限公司 | Contact panel module |
| TWM488053U (en) * | 2014-04-10 | 2014-10-11 | Wintek Corp | Touch panel |
| CN203882291U (en) * | 2014-05-30 | 2014-10-15 | 宸鸿光电科技股份有限公司 | Touch module |
| CN105988615B (en) * | 2015-02-06 | 2019-03-19 | 宸鸿光电科技股份有限公司 | The manufacturing method of touch-control module |
-
2015
- 2015-02-06 CN CN201510063322.5A patent/CN105988615B/en active Active
-
2016
- 2016-01-19 TW TW105101590A patent/TWI562043B/en active
- 2016-01-19 TW TW105200765U patent/TWM522413U/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130007710A (en) * | 2011-07-11 | 2013-01-21 | 현대자동차주식회사 | Conformal coating mixture for protection of pcb |
| CN103870076A (en) * | 2012-12-18 | 2014-06-18 | 明兴光电股份有限公司 | Touch panel and manufacturing method thereof |
| CN203759665U (en) * | 2014-03-05 | 2014-08-06 | 宸鸿光电科技股份有限公司 | Touch module |
| CN104020887A (en) * | 2014-05-30 | 2014-09-03 | 南昌欧菲光科技有限公司 | Touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI562043B (en) | 2016-12-11 |
| TW201629732A (en) | 2016-08-16 |
| CN105988615A (en) | 2016-10-05 |
| TWM522413U (en) | 2016-05-21 |
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