CN110018757A - Touch base plate and production method - Google Patents
Touch base plate and production method Download PDFInfo
- Publication number
- CN110018757A CN110018757A CN201910187162.3A CN201910187162A CN110018757A CN 110018757 A CN110018757 A CN 110018757A CN 201910187162 A CN201910187162 A CN 201910187162A CN 110018757 A CN110018757 A CN 110018757A
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- Prior art keywords
- electrode
- linkage section
- base plate
- electrode group
- touch
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The invention proposes a kind of touch base plate and production method, touch base plate includes substrate and the touch control layer on substrate, and the touch control layer includes: an at least first electrode group, the first electrode being arranged including at least two along first direction；An at least second electrode group, the second electrode being arranged in a second direction including at least two；First electrode insulate arranged in a crossed manner with second electrode.The first electrode and second electrode that insulation intersects are formed on the substrate by different light shield technique by the present invention, so that adjacent two first electrode or second electrode do not pass through bridge formation and realize electrical connection, the setting for eliminating contact hole, eliminates contact impedance, enhances the touch-control sensitivity of touch base plate.
Description
Technical field
The present invention relates to display field, in particular to a kind of touch base plate and production method.
Background technique
Touch technology more commonly used at present includes external hanging type touch technology and embedded touch technology.External hanging type touch-control skill
Art is that touch sensor is embedded on display panel, i.e., matches touch sensor on liquid crystal display panel, compares embedded touch technology
Difficulty reduces many.
In existing embedded touch technology, touch sensing includes self-capacitance and mutual capacitance type.Mutual capacitance type touches
Screen includes multiple touch control electrodes and induction electrode.Adjacent touch control electrode needs to form contact hole, then this connects by bridge formation connection
Contact hole is electrically connected adjacent touch control electrode.And the presence of contact hole generates contact impedance, reduces touch-control sensitivity.
Summary of the invention
The present invention provides a kind of touch base plate and production method, is asked with solving the low technology of existing touch sensitivity of touch panel
Topic.
To solve the above problems, technical solution provided by the invention is as follows:
The present invention provides a kind of touch base plate comprising substrate and the touch control layer on the substrate, the touch control layer
Include:
An at least first electrode group, the first electrode being arranged including at least two along first direction；
An at least second electrode group, the second electrode being arranged in a second direction including at least two；
Wherein, the first electrode insulate arranged in a crossed manner with the second electrode.
In the touch base plate of the application,
The first electrode group further includes the first linkage section between adjacent two first electrode, described in adjacent two
First electrode is electrically connected by first linkage section；
The second electrode group further includes the second linkage section between adjacent two second electrode, described in adjacent two
Second electrode is electrically connected by second linkage section.
In the touch base plate of the application,
The first electrode, first linkage section and the second electrode same layer are arranged；
Second linkage section is located on first linkage section.
In the touch base plate of the application,
The first electrode is formed in the first light shield technique with first linkage section；
The second electrode is formed in the second light shield technique with second linkage section.
In the touch base plate of the application,
The first electrode group and the second electrode group are made of metal grill.
The production method that the application also proposed a kind of touch base plate comprising:
One substrate is provided；
An at least first electrode group is formed over the substrate；
The first insulating layer is formed in the first electrode group；
An at least second electrode group is formed on the first insulating layer；
Wherein, first electrode group includes at least two first electrodes being arranged along first direction, the second electrode group packet
At least two second electrodes being arranged in a second direction are included, the first electrode insulate arranged in a crossed manner with the second electrode.
In the production method of the application,
The step of forming an at least first electrode group over the substrate include:
The first metal layer is formed over the substrate；
Using the first light shield technique, the first metal layer is made to form at least two along described the first of first direction setting
Electrode and the first linkage section between adjacent two first electrode；
Wherein, adjacent two first electrodes are electrically connected by first linkage section.
In the production method of the application,
The step of forming an at least second electrode group on the first insulating layer include:
Second metal layer is formed on the first insulating layer；
Using the second light shield technique, make described second that the second metal layer formation at least two is arranged in a second direction
Electrode and the second linkage section between adjacent two second electrode；
Wherein, adjacent two second electrodes are electrically connected by second linkage section.
In the production method of the application,
The first electrode, first linkage section and the second electrode same layer are arranged；
Second linkage section is located on first linkage section.
In the production method of the application,
The first electrode group and the second electrode group are made of metal grill.
The utility model has the advantages that the first electrode and second that insulation intersects is formed on the substrate by different light shield technique by the present invention
Electrode eliminates the setting of contact hole so that adjacent two first electrode or second electrode do not pass through bridge formation and realize electrical connection, eliminates
Contact impedance, enhances the touch-control sensitivity of touch base plate.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the top view of touch control layer in the application touch base plate；
Fig. 2 is the film layer structure figure of the middle section Fig. 1 A-A；
Fig. 3 is the film layer structure figure of the middle section Fig. 1 B-B；
Fig. 4 is the film layer structure figure of the middle section Fig. 1 C-C；
Fig. 5 is the enlarged drawing of an electrode in the application touch base plate；
The step of Fig. 6 is the application touch base plate production method is schemed；
Fig. 7 A~7B is the artwork of the application touch base plate production method.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
Referring to Fig. 1, Fig. 1 is the top view of touch control layer 20 in the application touch base plate 100.
The touch base plate 100 includes substrate 10 and the touch control layer 20 on the substrate 10.
In the present embodiment, the raw material of the substrate 10 can be in glass substrate, quartz base plate, resin substrate etc.
It is a kind of.The substrate 10 can also be flexible base board.The material of the flexible base board can be PI (polyimides).
The touch control layer 20 includes an at least first electrode group 21 and an at least second electrode group 22.
In the present embodiment, the touch control layer 20 includes two first electrode groups 21 and two second electrode groups 22.
The first electrode group 21 includes at least two first electrodes 211 being arranged along first direction.In the present embodiment,
The first electrode group 21 includes three first electrodes 211.
The second electrode group 22 includes at least two second electrodes 221 being arranged in a second direction.In the present embodiment,
The second electrode group 22 includes three second electrodes 221.
In the present embodiment, the first electrode 211 insulate arranged in a crossed manner with the second electrode 221.
In the present embodiment, the first direction is horizontal direction, and the second direction is vertical direction.
In the present embodiment, the first electrode 211 is driving electrodes, and the second electrode 221 is induction electrode.Or
Person, the first electrode 211 are induction electrode, and the second electrode 221 is driving electrodes.
In the touch base plate 100 of the application, the first electrode group 21 further includes being located at adjacent two first electrode
The first linkage section 212 between 211, adjacent two first electrode 211 are electrically connected by first linkage section 212；
The second electrode group 22 further includes the second connection 222 between adjacent two second electrode 221, adjacent
Two second electrodes 221 are electrically connected by second linkage section 222.
Referring to Fig. 2, Fig. 2 is the film layer structure figure of the middle section Fig. 1 A-A.
The touch base plate 100 includes substrate 10, the first electrode 211 on the substrate 10 and the first linkage section
212, the first insulating layer 30 on first linkage section 212, the second linkage section on first insulating layer 30
222, the passivation layer 40 on second linkage section 222.
The first electrode 211 is formed in the first light shield technique with first linkage section 212.
Second linkage section 222 is formed in the second light shield technique.
Referring to Fig. 3, Fig. 3 is the film layer structure figure of the middle section Fig. 1 B-B.
The touch base plate 100 include substrate 10, the first electrode 211 on the substrate 10 and second electrode 221,
The first insulating layer 30 in the first electrode 211, on first insulating layer 30 and the second electrode 221
Passivation layer 40.
The first electrode 211 is arranged with 221 same layer of second electrode.
The first electrode 211 is formed in the first light shield technique.
The second electrode 221 is formed in the second light shield technique.
Referring to Fig. 4, Fig. 4 is the film layer structure figure of the middle section Fig. 1 C-C.
The touch base plate 100 includes substrate 10, the first linkage section 212 on the substrate 10, is located at described the
The first insulating layer 30 on one linkage section 212, the second electrode 221 on first insulating layer 30 and the second linkage section
222, the passivation layer 40 in the second electrode 221 and second linkage section 222.
First linkage section 212 is arranged with 221 same layer of second electrode.
First linkage section 212 is formed in the first light shield technique.
The second electrode 221 is formed in the second light shield technique with second linkage section 222.
First linkage section 212 and adjacent two second electrode 221 between adjacent two first electrode 211
Between the quantity of second linkage section 222 be not specifically limited.In the present embodiment, adjacent two first electrode 211
Between first linkage section 212 and adjacent two second electrode 221 between second linkage section 222 quantity
It is one.
In the present embodiment, first linkage section 212 and second linkage section 222 are strip or other bendings
The irregular or regular shape such as shape, no longer illustrates one by one herein.
Due to the first electrode 211, the second electrode 221, first linkage section 212 and second connection
Section 222 is located on pixel unit.In order to guarantee the aperture opening ratio of pixel unit, the first electrode 211, the second electrode 221,
First linkage section 212 and second linkage section 222 can be made of transparent metal material.
In the present embodiment, the first electrode 211, the second electrode 221, first linkage section 212 and described
The material of second linkage section 222 can be tin indium oxide (ITO).
In the present embodiment, the shape of the first electrode 211 and the second electrode 221 can be but be not limited to Fig. 1
In diamond shape.The shape of the first electrode 211 and the second electrode 221 can be in polygon, circle or other shapes
One or two kinds of combinations.
Referring to Fig. 5, Fig. 5 is the enlarged drawing of an electrode in the application touch base plate 100.
The first electrode group 21 and the second electrode group 22 are made of metal grill.
The first electrode 211, the second electrode 221, first linkage section 212 and second linkage section
222 can be made of metal grill.
In the present embodiment, by arranging the staggered metal wire of transverse and longitudinal to form metal mesh around each pixel unit
Lattice.It is allowed to by way of breakpoint between metal wire corresponding to the electrode (such as driving electrodes and induction electrode) of different attribute
Insulation set.
In the present embodiment, since electrode does not block pixel unit, the first electrode 211, the second electrode
221, the metal material of first linkage section 212 and second linkage section 222 is not necessarily limited to transparent material.
The present invention forms the first electrode 211 and second electrode that insulation intersects by different light shield technique on substrate 10
221, so that adjacent two first electrode 211 or second electrode 221 do not realize electrical connection by building bridge, eliminate setting for contact hole
It sets, eliminates contact impedance, enhance the touch-control sensitivity of touch base plate 100.
Referring to Fig. 6, Fig. 6 schemes the step of being 100 production method of the application touch base plate.
Fig. 7 A~7B is please referred to, Fig. 7 A~7B is the artwork of 100 production method of the application touch base plate.
The production method includes:
S10, a substrate 10 is provided；
Fig. 7 A is please referred to, the raw material of the substrate 10 can be one in glass substrate, quartz base plate, resin substrate etc.
Kind.The substrate 10 can also be flexible base board.The material of the flexible base board can be PI (polyimides).
S20, an at least first electrode group 21 is formed on the substrate 10；
Fig. 7 A is please referred to, step S20 includes:
S201, the first metal layer is formed on the substrate 10；
S202, using the first light shield technique, the institutes that make the first metal layer form at least two along first direction setting
State first electrode 211 and the first linkage section 212 between adjacent two first electrode 211.
In this step, the touch control layer 20 includes two first electrode groups 21.
Each first electrode group 21 includes at least two first electrodes 211 being arranged along first direction.In this implementation
In example, the first electrode group 21 includes two first electrodes 211.Adjacent two first electrode 211 passes through described the
The electrical connection of one linkage section 212.
S30, the first insulating layer 30 is formed in the first electrode group 21；
Step S30 includes:
S301, the first insulating layer 30 is formed in the first electrode group 21；
The first insulating layer (not shown) in this step is by the first electrode 211 and first linkage section 212
It is completely covered
S302, patterned process is carried out to first insulating layer, removal does not cover the described of the first electrode group 21
First insulating layer forms multiple first grooves.
S40, an at least second electrode group 22 is formed on the first insulating layer；
Fig. 7 B is please referred to, step S40 includes:
Step S401, second metal layer is formed on first insulating layer 30；
Step S402, using the second light shield technique, so that the second metal layer is formed at least two and be arranged in a second direction
The second electrode 221 and the second linkage section 222 between adjacent two second electrode 221.
In this step, the touch control layer 20 includes two second electrode groups 22
Each second electrode group 22 includes at least two two electrodes being arranged in a second direction.In the present embodiment,
The second electrode group 22 includes three second electrodes 221.Adjacent two second electrode 221 is connected by described second
Section 222 is electrically connected.
In the present embodiment, the second electrode 221 is located in first groove.
In the present embodiment, the first electrode 211 insulate arranged in a crossed manner with the second electrode 221.
S50, passivation layer 40 is formed on first insulating layer, second electrode 221 and second linkage section 222.
In the present embodiment, the first direction is horizontal direction, and the second direction is vertical direction.
In the present embodiment, the first electrode 211 is driving electrodes, and the second electrode 221 is induction electrode.Or
Person, the first electrode 211 are induction electrode, and the second electrode 221 is driving electrodes.
Referring to Fig. 2, Fig. 2 is the film layer structure figure of Fig. 7 B middle section A-A.
The touch base plate 100 includes substrate 10, the first electrode 211 on the substrate 10 and the first linkage section
212, the first insulating layer 30 on first linkage section 212, the second linkage section on first insulating layer 30
222, the passivation layer 40 on second linkage section 222.
The first electrode 211 is formed in the first light shield technique with first linkage section 212.
Second linkage section 222 is formed in the second light shield technique.
Referring to Fig. 3, Fig. 3 is the film layer structure figure of Fig. 7 B middle section B-B.
The touch base plate 100 include substrate 10, the first electrode 211 on the substrate 10 and second electrode 221,
The first insulating layer 30 in the first electrode 211, on first insulating layer 30 and the second electrode 221
Passivation layer 40.
The first electrode 211 is arranged with 221 same layer of second electrode.
The first electrode 211 is formed in the first light shield technique.
The second electrode 221 is formed in the second light shield technique.
Referring to Fig. 4, Fig. 4 is the film layer structure figure of Fig. 7 B middle section C-C.
The touch base plate 100 includes substrate 10, the first linkage section 212 on the substrate 10, is located at described the
The first insulating layer 30 on one linkage section 212, the second electrode 221 on first insulating layer 30 and the second linkage section
222, the passivation layer 40 in the second electrode 221 and second linkage section 222.
First linkage section 212 is arranged with 221 same layer of second electrode.
First linkage section 212 is formed in the first light shield technique.
The second electrode 221 is formed in the second light shield technique with second linkage section 222.
First linkage section 212 and adjacent two second electrode 221 between adjacent two first electrode 211
Between the quantity of second linkage section 222 be not specifically limited.In the present embodiment, adjacent two first electrode 211
Between first linkage section 212 and adjacent two second electrode 221 between second linkage section 222 quantity
It is one.
In the present embodiment, first linkage section 212 and second linkage section 222 are strip or other bendings
The irregular or regular shape such as shape, no longer illustrates one by one herein.
Due to the first electrode 211, the second electrode 221, first linkage section 212 and second connection
Section 222 is located on pixel unit.In order to guarantee the aperture opening ratio of pixel unit, the first electrode 211, the second electrode 221,
First linkage section 212 and second linkage section 222 can be made of transparent metal material.
In the present embodiment, the first electrode 211, the second electrode 221, first linkage section 212 and described
The material of second linkage section 222 can be tin indium oxide (ITO).
In the present embodiment, the shape of the first electrode 211 and the second electrode 221 can be but be not limited to Fig. 1
In diamond shape.The shape of the first electrode 211 and the second electrode 221 can be in polygon, circle or other shapes
One or two kinds of combinations.
Referring to Fig. 5, Fig. 5 is the enlarged drawing of an electrode in the application touch base plate 100.
The first electrode group 21 and the second electrode group 22 are made of metal grill.
The first electrode 211, the second electrode 221, first linkage section 212 and second linkage section
222 can be made of metal grill.
In the present embodiment, by arranging the staggered metal wire of transverse and longitudinal to form metal mesh around each pixel unit
Lattice.It is allowed to by way of breakpoint between metal wire corresponding to the electrode (such as driving electrodes and induction electrode) of different attribute
Insulation set.
In the present embodiment, since electrode does not block pixel unit, the first electrode 211, the second electrode
221, the metal material of first linkage section 212 and second linkage section 222 is not necessarily limited to transparent material.
The present invention forms the first electrode 211 and second electrode that insulation intersects by different light shield technique on substrate 10
221, so that adjacent two first electrode 211 or second electrode 221 do not realize electrical connection by building bridge, eliminate setting for contact hole
It sets, eliminates contact impedance, enhance the touch-control sensitivity of touch base plate 100.
According to another aspect of the present invention, a kind of touch screen is additionally provided, the touch screen includes the touch base plate,
It further include the polarizing layer set gradually on the touch base plate and cover layer.
According to a further aspect of the invention, a kind of electronic device is additionally provided, the electronic device includes the touch-control
Screen；The electronic device includes but is not limited to mobile phone, tablet computer, computer display, game machine, television set, display screen
Curtain, wearable device and other living electric apparatus or household electrical appliance having a display function etc..
The working principle phase of the working principle of the touch screen, the working principle of the electronic device and the touch base plate
Seemingly, the working principle of the touch screen and the working principle of the electronic device can specifically refer to the work of the touch base plate
Make principle, is not described herein.
The invention proposes a kind of touch base plate and production method, the touch base plate include substrate and be located at the substrate
On touch control layer, the touch control layer includes: an at least first electrode group, including at least two along first direction setting first electricity
Pole；An at least second electrode group, the second electrode being arranged in a second direction including at least two；The first electrode and described the
Two electrode insulations are arranged in a crossed manner.The first electrode and that insulation intersects are formed on the substrate by different light shield technique by the present invention
Two electrodes eliminate the setting of contact hole, disappear so that adjacent two first electrode or second electrode do not pass through bridge formation and realize electrical connection
In addition to contact impedance, the touch-control sensitivity of touch base plate is enhanced.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of touch base plate, which is characterized in that the touch control layer including substrate and on the substrate, the touch control layer packet
It includes:
An at least first electrode group, the first electrode group include at least two first electrodes being arranged along first direction；
An at least second electrode group, the second electrode group include at least two second electrodes being arranged in a second direction；
Wherein, the first electrode insulate arranged in a crossed manner with the second electrode.
2. touch base plate according to claim 1, which is characterized in that
The first electrode group further includes the first linkage section between adjacent two first electrode, and adjacent two described first
Electrode is electrically connected by first linkage section；
The second electrode group further includes the second linkage section between adjacent two second electrode, and adjacent two described second
Electrode is electrically connected by second linkage section.
3. touch base plate according to claim 2, which is characterized in that
The first electrode, first linkage section and the second electrode same layer are arranged；
Second linkage section is located on first linkage section.
4. touch base plate according to claim 3, which is characterized in that
The first electrode is formed in the first light shield technique with first linkage section；
The second electrode is formed in the second light shield technique with second linkage section.
5. touch base plate according to claim 1, which is characterized in that
The first electrode group and the second electrode group are made of metal grill.
6. a kind of production method of touch base plate characterized by comprising
One substrate is provided；
An at least first electrode group is formed over the substrate；
The first insulating layer is formed in the first electrode group；
An at least second electrode group is formed on the first insulating layer；
Wherein, first electrode group includes at least two first electrodes being arranged along first direction, and the second electrode group includes extremely
Few two second electrodes being arranged in a second direction, the first electrode insulate arranged in a crossed manner with the second electrode.
7. production method according to claim 6, which is characterized in that
The step of forming an at least first electrode group over the substrate include:
The first metal layer is formed over the substrate；
Using the first light shield technique, the first electrode for making the first metal layer form at least two along first direction setting
And the first linkage section between adjacent two first electrode；
Wherein, adjacent two first electrodes are electrically connected by first linkage section.
8. production method according to claim 7, which is characterized in that
The step of forming an at least second electrode group on the first insulating layer include:
Second metal layer is formed on the first insulating layer；
Using the second light shield technique, the second metal layer is made to form at least two second electrodes being arranged in a second direction
And the second linkage section between adjacent two second electrode；
Wherein, adjacent two second electrodes are electrically connected by second linkage section.
9. production method according to claim 8, which is characterized in that
The first electrode, first linkage section and the second electrode same layer are arranged；
Second linkage section is located on first linkage section.
10. production method according to claim 6, which is characterized in that
The first electrode group and the second electrode group are made of metal grill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910187162.3A CN110018757B (en) | 2019-03-13 | 2019-03-13 | Touch substrate and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910187162.3A CN110018757B (en) | 2019-03-13 | 2019-03-13 | Touch substrate and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110018757A true CN110018757A (en) | 2019-07-16 |
| CN110018757B CN110018757B (en) | 2022-04-05 |
Family
ID=67189537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910187162.3A Active CN110018757B (en) | 2019-03-13 | 2019-03-13 | Touch substrate and manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110018757B (en) |
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| CN111522468A (en) * | 2020-04-28 | 2020-08-11 | 武汉华星光电半导体显示技术有限公司 | Touch control display device |
| WO2021068407A1 (en) * | 2019-10-11 | 2021-04-15 | 武汉华星光电半导体显示技术有限公司 | Touch sensing device and touch display panel |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110018757B (en) | 2022-04-05 |
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