CN108037846A - A kind of touch-control display panel and preparation method thereof, touch control display apparatus - Google Patents
A kind of touch-control display panel and preparation method thereof, touch control display apparatus Download PDFInfo
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- CN108037846A CN108037846A CN201711241252.3A CN201711241252A CN108037846A CN 108037846 A CN108037846 A CN 108037846A CN 201711241252 A CN201711241252 A CN 201711241252A CN 108037846 A CN108037846 A CN 108037846A
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- 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
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Abstract
A kind of touch-control display panel of disclosure and preparation method thereof, touch control display apparatus, the touch-control display panel include：First conductive layer, the second conductive layer and display panel, include multiple induction electrodes in first conductive layer, include multiple driving electrodes in second conductive layer, second conductive layer is between first conductive layer and the display panel；The orthographic projection region of the multiple induction electrode on said display panel falls in the multiple driving electrodes orthographic projection region on said display panel.So, since driving electrodes are between induction electrode and display panel, and the orthographic projection region of induction electrode on a display panel falls in orthographic projection region of the driving electrodes in display panel, therefore, driving electrodes can effectively stop or absorb the electromagnetic field that drive signal produces, when carrying out touch-control to touch-control display panel, interference of the drive signal to induction electrode can be effectively reduced, and then ensure the touch controllable function of touch-control display panel.
Description
Technical field
This application involves display technology field, more particularly to a kind of touch-control display panel and preparation method thereof, touch-control to show
Device.
Background technology
Touch-control display panel is to combine touch screen and two-d display panel (hereinafter referred to as display panel), with
Make display panel that there is touch controllable function.In general, touch-control display panel can provide man-machine interaction interface, and allow by finger,
Stylus etc. performs input, using upper more direct, more humane.With the development of display technology, touch-control display panel is got over
To be applied in various display devices more.
With the development that touch-control display panel is thinned, the thickness of touch-control display panel is more and more thinner, is shown for touch-control
For display panel and touch control electrode in panel, distance between the two becomes increasingly nearer, particularly the direct shape of touch screen
Into the touch-control display panel on display panel, the distance between its display panel and touch control electrode are even less than 10 μm.
For display panel, it can include drive signal line, and drive signal line can provide drive signal.So
And in practical applications, which can produce electromagnetic field, in this way, when carrying out touch-control to touch-control display panel, by
Closer in the distance of display panel and touch control electrode, the electromagnetic field that drive signal produces is easily to the sensing in touch control electrode
Electrode produces interference, the situation of false touch occurs, causes the touch controllable function of touch-control display panel to be damaged, or even failure.
The content of the invention
The embodiment of the present application provides a kind of touch-control display panel and preparation method thereof, touch control display apparatus, existing for solving
In some touch-control display panels, since the distance between display panel and touch control electrode are relatively near, drive signal holds in display panel
The problem of interference easily is produced to the induction electrode in touch control electrode, causes touch controllable function to be damaged.
The embodiment of the present application provides a kind of touch-control display panel, including：First conductive layer, the second conductive layer and display
Panel, wherein：
Multiple induction electrodes are included in first conductive layer, multiple driving electrodes, institute are included in second conductive layer
The second conductive layer is stated between first conductive layer and the display panel；
The orthographic projection region of the multiple induction electrode on said display panel falls in the multiple driving electrodes in institute
State in the orthographic projection region on display panel.
Preferably, each described driving electrodes includes multiple sequentially connected driving sub-electrodes, each described sensing
Electrode includes multiple sequentially connected sensing sub-electrodes, wherein：
The number of the sensing sub-electrode is equal with the number of the driving sub-electrode, each described sensing sub-electrode
One of them described driving sub-electrode is respectively fallen in the upper orthographic projection region of the display panel on said display panel
Orthographic projection region in；Or,
The number of the sensing sub-electrode is more than the number of the driving sub-electrode, at least one sensing sub-electrode
Orthographic projection region on said display panel falls wherein the positive throwing of a driving sub-electrode on said display panel
In the domain of shadow zone.
Preferably, the shape of the driving sub-electrode is diamond shape and/or strip, and the shape of the sensing sub-electrode is water chestnut
Shape and/or strip.
Preferably, multiple filling blocks are also included in second conductive layer, wherein：
The multiple filling block is filled in the gap between the multiple driving electrodes；
Mutually insulated between the multiple filling block, and phase between the multiple filling block and the multiple driving electrodes
Mutually insulation.
Preferably, drive signal line is included in the display panel, the drive signal line is used to provide drive signal,
The drive signal includes：In data voltage signal, power supply signal, scan control signal and LED control signal at least
It is a kind of.
Preferably, the touch-control display panel further includes：Cathode, wherein：
Include at least one area of knockout in the cathode, the position of each area of knockout is respectively with wherein one
The position of a induction electrode or driving electrodes is corresponding.
The embodiment of the present application provides a kind of preparation method of touch-control display panel, including：
Encapsulated layer is formed on a display panel；
The second conductive layer is formed on the encapsulated layer, and second conductive layer is performed etching, forms multiple drivings
Electrode；
Insulating layer is deposited on second conductive layer；
The first conductive layer is formed on the insulating layer, and first conductive layer is performed etching, forms multiple sensings
Electrode；
The orthographic projection region of the multiple induction electrode on said display panel falls in the multiple driving electrodes in institute
State in the orthographic projection region on display panel.
Preferably, each described driving electrodes includes multiple sequentially connected driving sub-electrodes, each described sensing
Electrode includes multiple sequentially connected sensing sub-electrodes, wherein：
The number of the sensing sub-electrode is equal with the number of the driving sub-electrode, each described sensing sub-electrode
One of them described driving sub-electrode is respectively fallen in the upper orthographic projection region of the display panel on said display panel
Orthographic projection region in；Or,
The number of the sensing sub-electrode is more than the number of the driving sub-electrode, at least one sensing sub-electrode
Fall wherein a driving sub-electrode in the upper orthographic projection region of the display panel on said display panel just
In view field.
Preferably, multiple filling blocks, the multiple filling block filling are formed when being performed etching to second conductive layer
In gap between the multiple driving electrodes, mutually insulated between the multiple filling block, and the multiple filling block with
Mutually insulated between the multiple driving electrodes.
The embodiment of the present application also provides a kind of touch control display apparatus, includes the touch-control display panel of above-mentioned record.
Above-mentioned at least one technical solution that the embodiment of the present application uses can reach following beneficial effect：
The first conductive layer, the second conductive layer and display surface are included in touch-control display panel provided by the embodiments of the present application
Plate, includes multiple induction electrodes in first conductive layer, includes multiple driving electrodes in second conductive layer, and described
Two conductive layers are between first conductive layer and the display panel；The multiple induction electrode is in the display panel
On orthographic projection region fall in the multiple driving electrodes orthographic projection region on said display panel.In this way, due to driving
Moving electrode is between induction electrode and display panel, and the orthographic projection region of induction electrode on a display panel falls driving
Electrode is in the orthographic projection region of display panel, and therefore, driving electrodes can effectively stop or absorb the electricity that drive signal produces
Magnetic field, when carrying out touch-control to touch-control display panel, can effectively reduce interference of the drive signal to induction electrode, Jin Erbao
Demonstrate,prove the touch controllable function of touch-control display panel.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen
Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings：
Fig. 1 is a kind of side view of touch-control display panel provided by the embodiments of the present application；
Fig. 2 is a kind of top view of touch-control display panel provided by the embodiments of the present application；
Fig. 3 is the top view of another touch-control display panel provided by the embodiments of the present application；
Fig. 4 is the side view of another touch-control display panel provided by the embodiments of the present application；
Fig. 5 is the top view of another touch-control display panel provided by the embodiments of the present application；
Fig. 6 is a kind of flow diagram of the preparation method of touch-control display panel provided by the embodiments of the present application；
Fig. 7 is a kind of structure diagram of touch-control display panel provided by the embodiments of the present application；
Fig. 8 is the structure diagram of another touch-control display panel provided by the embodiments of the present application；
Fig. 9 is the structure diagram of another touch-control display panel provided by the embodiments of the present application.
Embodiment
In existing touch-control display panel, display panel and the distance between touch control electrode are closer, are shown to touch-control
When panel carries out touch-control, the electromagnetic field that the drive signal in display panel produces can produce interference to touch control electrode.Specifically,
The electromagnetic field that drive signal produces can disturb sensing of the induction electrode to signal in touch control electrode, influence the sensing of induction electrode
Function.In this way, since the inducing function of induction electrode is damaged, when carrying out touch-control to touch-control display panel, easily there is false touch
Situation, cause the touch controllable function of touch-control display panel to be damaged, in addition failure.
In the prior art, in order to reduce interference of the drive signal to induction electrode, following two solutions can usually be used
Method：
First method：By way of increasing touch-control display panel thickness, increase display panel in touch-control display panel
The distance between touch control electrode.
In this way, due to adding the distance between drive signal and induction electrode, it can drop to a certain extent
Interference of the low drive signal to induction electrode.
Second method：Increase the shielded layer of conduction between the display panel and induction electrode of touch-control display panel.
In this way, since the shielded layer is between display panel and induction electrode, and the shielded layer is conductive, therefore, can be with
The electromagnetic field that drive signal produces in display panel is effectively absorbed, and then reduces interference of the drive signal to induction electrode.
However, in practical applications, although above two method can reduce interference of the drive signal to induction electrode,
But since both both increase the thickness of touch-control display panel, it is unsatisfactory for the need to touch-control display panel slimming
Ask.
In view of this, the embodiment of the present application provides a kind of touch-control display panel and preparation method thereof, touch control display apparatus,
The touch-control display panel includes：First conductive layer, the second conductive layer and display panel, wherein：Wrapped in first conductive layer
Containing multiple induction electrodes, multiple driving electrodes are included in second conductive layer, second conductive layer is led positioned at described first
Between electric layer and the display panel；The orthographic projection region of the multiple induction electrode on said display panel falls described
In the orthographic projection region of multiple driving electrodes on said display panel.
Technical solution provided by the embodiments of the present application, since driving electrodes are between induction electrode and display panel, and
The orthographic projection region of induction electrode on a display panel falls in orthographic projection region of the driving electrodes in display panel, therefore, drives
Moving electrode can effectively stop or absorb the electromagnetic field that drive signal produces, can be with when carrying out touch-control to touch-control display panel
Interference of the drive signal to induction electrode is effectively reduced, and then ensures the touch controllable function of touch-control display panel.
Further, since technical solution provided by the embodiments of the present application does not change the thickness of touch-control display panel, also do not increase
Add new film layer structure, therefore, two kinds compared to above-mentioned record solve method, can meet slim to touch-control display panel
The demand of change.
Technical scheme is carried out clearly and completely with reference to the application specific embodiment and corresponding attached drawing
Description.Obviously, the described embodiments are only a part but not all of the embodiments of the present application.Based on the application
In embodiment, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, shall fall in the protection scope of this application.
The main thought of technical solution provided by the embodiments of the present application is：Hindered by the driving electrodes in touch control electrode
Gear absorbs the electromagnetic field that drive signal produces in display panel, and then drive signal of the abated effect on induction electrode
Electromagnetic field, in this way, interference of the electromagnetic field to induction electrode of drive signal can be reduced effectively, and then ensures touch-control display surface
The touch controllable function of plate.
In the embodiment of the present application, the drive signal can be provided by drive signal line, and the drive signal line is located at institute
In the display panel for stating touch-control display panel, the drive signal can be data voltage signal, power supply signal, scan control
One kind or any a variety of in signal and LED control signal.
It should be noted that in touch-control display panel provided by the embodiments of the present application, multiple induction electrodes are in display panel
On orthographic projection region fall in multiple driving electrodes orthographic projection region on said display panel, Ke Yishi：Each institute
State the orthographic projection region of induction electrode on said display panel and respectively fall in one of them described driving electrodes in the display
In orthographic projection region on panel；Can also be：The forward projection region of at least one induction electrode on said display panel
Domain falls in the orthographic projection region of the wherein driving electrodes on said display panel, and the embodiment of the present application, which is not done, to be had
Body limits.Preferably, the forward projection region that the embodiment of the present application can be with induction electrode each described on said display panel
Domain illustrates exemplified by respectively falling in the orthographic projection region of one of them described driving electrodes on said display panel.
It should also be noted that, in touch-control display panel provided by the embodiments of the present application, it is desirable to which driving electrodes are positioned at sensing
Between electrode and display panel, in this way, can be driven by the driving electrodes effectively to stop or absorb in the display panel
The electromagnetic field that dynamic signal produces.
Touch-control display panel provided by the embodiments of the present application can be that on-cell or in-cell or out-cell touch-controls are shown
Show panel, the touch-control display panel can be adapted for the display panel of various patterns.
In touch-control display panel provided by the embodiments of the present application, multiple induction electrodes and multiple driving electricity
It extremely can be transparent conductive material, include but not limited to：ITO (Chineses：Tin indium oxide, English name：Indium Tin
Oxide), AgNW (nano-silver thread), graphene, etc., or metal material metal mesh.
Below in conjunction with attached drawing, the technical solution that each embodiment of the application provides is described in detail.
Embodiment 1
Fig. 1 is a kind of side view of touch-control display panel provided by the embodiments of the present application.Fig. 2 is that the touch-control shown in Fig. 1 is shown
Show the top view of panel.The touch-control display panel is as described below.
In Fig. 1, the touch-control display panel can include：First conductive layer 11, the second conductive layer 12 and display panel
13, multiple induction electrodes 111 are included in the first conductive layer 11, include multiple driving electrodes 121 in the second conductive layer 12, second
Conductive layer 12 is between the first conductive layer 11 and display panel 13.In addition, can be with touch-control display panel shown in Fig. 1
Comprising encapsulated layer 14, insulating layer 15 and protective layer 16, wherein, encapsulated layer 14 is positioned at the second conductive layer 12 and display panel 13
Between, it can be thin-film encapsulation layer for being packaged to display panel or the thin-film encapsulation layer and described touch
The substrate layer between layer and the thin-film encapsulation layer is controlled, can also not only include the thin-film encapsulation layer, but also include the substrate
Layer, is not specifically limited here.
Insulating layer 15 is between the first conductive layer 11 and the second conductive layer 12, for induction electrode 111 and driving electricity
Pole 121 is insulated, and protective layer 16 is covered on the first conductive layer 11, can be used for protecting induction electrode 111.
In the embodiment of the present application, orthographic projection region of multiple induction electrodes 111 on display panel 13 falls in multiple drivings
Electrode 121 is on a display panel in the orthographic projection region on 13.Specifically：
X-direction can be considered as orthographic projection direction of the induction electrode 111 on display panel 13, and driving electrodes in Fig. 1
The 121 orthographic projection direction on display panel 13.It will be seen from figure 1 that positive throwing of the induction electrode 111 on display panel 13
The width in shadow zone domain falls in driving electrodes 121 in the width in the orthographic projection region on display panel 13.
Fig. 2 is the top view of the touch-control display panel shown in Fig. 1, wherein, vertically the direction with display panel 13 can regard
The orthographic projection direction for being induction electrode 111 on display panel 13, and positive throwing of the driving electrodes 121 on display panel 13
Shadow direction.Orthographic projection region of the induction electrode 111 on display panel 13 is can be seen that with reference to Fig. 1 and Fig. 2 to fall driving
Moving electrode 121 is in the orthographic projection region on display panel 13.
In this way, since driving electrodes 121 are between induction electrode 111 and display panel 13, and induction electrode 11 is aobvious
Show that the orthographic projection region on panel 13 falls in orthographic projection region of the driving electrodes 12 in display panel 13, therefore, driving electrodes
12 can effectively stop or absorb the electromagnetic field that the drive signal in display panel 13 produces, and then weaken the electromagnetic field to sense
The influence of electrode is answered, when carrying out touch-control to the touch-control display panel, can effectively reduce the drive signal to induced electricity
The interference of pole 111, ensures the touch controllable function of the touch-control display panel.
In the touch-control display panel shown in Fig. 2, each induction electrode 111 can also include multiple sequentially connected
Sensing sub-electrode 1111, each driving electrodes 121 can also include multiple sequentially connected driving sub-electrodes 1211, wherein,
The driving sub-electrode that the number for the sensing sub-electrode 1111 that one induction electrode 111 includes is included with a driving electrodes 121
1211 number is identical, the touch-control display panel include sensing sub-electrode 1111 number with it includes driving son electricity
The number of pole 1211 is identical.
It can be seen that with reference to Fig. 1 and Fig. 2 for one of driving sub-electrode 1211, along the orthographic projection side
To the number with the sensing sub-electrode 1111 of 1211 position correspondence of driving sub-electrode is 1, which exists
Orthographic projection region on display panel 13 fall with the driving sub-electrode 1211 of its position correspondence on display panel 13 just
In view field.
In this way, since each the orthographic projection region of sensing sub-electrode 1111 on display panel 13 has respectively fallen in it
In a driving sub-electrode 1211 in orthographic projection region on display panel 13, therefore, for each driving sub-electrode
For 1211, it can effectively stop or absorb the electricity for the drive signal that interference is produced to one of induction electrode 1111
Magnetic field, and then reduce interference of the electromagnetic field to the sensing sub-electrode 1111, can be with for whole touch-control display panel
Effectively reduce interference of the drive signal to induction electrode 111.
In touch-control display panel shown in Fig. 2, each sensing sub-electrode 1111 and each driving sub-electrode 1211
Shape to be diamond shape, in other embodiments, each sensing sub-electrode 1111 and each driving sub-electrode 1211
Shape can also be strip, alternatively, each sensing sub-electrode 1111 shape be diamond shape, each drive sub-electrode
1211 shape is strip, etc. the embodiment of the present application is not specifically limited, as long as meeting induction electrode 111 in display panel 13
On orthographic projection region fall in driving electrodes 121 in volume orthographic projection region on display panel 13.
In the other embodiment of the application, sense that at least one induction electrode in the touch-control display panel includes
The number of sub-electrode is answered to be more than the number for the driving sub-electrode that one of driving electrodes include, and, at least one sense
The orthographic projection region of sub-electrode on said display panel is answered to fall wherein a driving sub-electrode in the display panel
On orthographic projection region in.
Fig. 3 is another top view of the touch-control display panel shown in Fig. 1.In Fig. 3, sensing that induction electrode 111 includes
The number of sub-electrode 1111 is more than the number of the driving sub-electrode 1211 included in driving electrodes 121, perpendicular to display panel 13
Direction can be orthographic projection direction of the induction electrode 111 on display panel 13, and driving electrodes 121 are in display panel
Orthographic projection direction on 13.
For the driving sub-electrode 1211 shown in Fig. 3, along the orthographic projection direction, with the driving sub-electrode 1211
The number of the corresponding sensing sub-electrode 1111 in position is 2 along orthographic projection direction, this 2 sensing sub-electrodes 1111 are being shown
Orthographic projection region on panel 13 falls in the driving sub-electrode 1211 in orthographic projection region on display panel 13.
In this way, the orthographic projection region due to each two sensing sub-electrode 1111 on display panel 13 falls wherein one
A driving sub-electrode 1211 is in the orthographic projection region on display panel 13, therefore, for each driving sub-electrode 1211
Speech, can effectively stop or absorb the electromagnetic field for the drive signal that interference is produced to two of which induction electrode 1111, into
And interference of the electromagnetic field to this two sensing sub-electrodes 1111 is reduced, can be effective for whole touch-control display panel
Reduce interference of the drive signal to induction electrode 111.
In another embodiment that the application provides, second conductive layer in the touch-control display panel shown in Fig. 1 is also
Multiple filling blocks can be included, wherein：
The multiple filling block is filled in the gap between the multiple driving electrodes；
Mutually insulated between the multiple filling block, and phase between the multiple filling block and the multiple driving electrodes
Mutually insulation.
As shown in figure 4, Fig. 4 is compared to Figure 1, multiple conductions of filling blocks 122, the material of multiple filling blocks 122 can be included
Can be with the material identical of driving electrodes 121.Fig. 5 is the top view of the touch-control display panel shown in Fig. 4.Can from Fig. 5
Go out, for each filling block 122, it can be filled in the gap between driving electrodes 121, but is driven with each
121 mutually insulated of moving electrode, and can be with mutually insulated between multiple filling blocks 122.
Since multiple filling blocks 122 are conductive, and it is filled between the gap of multiple driving electrodes 121, therefore, Ke Yiyou
Effect stops or absorbs the electromagnetic field of the interstitial drive signal of multiple driving electrodes 121, avoids the electromagnetic field from passing through more
Gap between a driving electrodes 121 is acted on induction electrode 111, and produces interference to induction electrode 111.That is,
After multiple filling blocks 121 are filled between multiple driving electrodes 121, the electricity of drive signal generation can be more efficiently reduced
Interference of the magnetic field to induction electrode 111, so as to ensure the touch controllable function of touch-control display panel.
Touch-control display panel provided by the embodiments of the present application, comprising：First conductive layer, the second conductive layer and display surface
Plate, wherein, multiple induction electrodes are included in first conductive layer, multiple driving electrodes, institute are included in second conductive layer
The second conductive layer is stated between first conductive layer and the display panel；The multiple induction electrode is in the display
Orthographic projection region on panel falls in the multiple driving electrodes orthographic projection region on said display panel.In this way, by
In driving electrodes between induction electrode and display panel, and the orthographic projection region of induction electrode on a display panel falls
Driving electrodes are in the orthographic projection region of display panel, and therefore, driving electrodes can effectively stop or absorb that drive signal produces
Electromagnetic field, to touch-control display panel carry out touch-control when, can effectively reduce interference of the drive signal to induction electrode, into
And ensure the touch controllable function of touch-control display panel.
Embodiment 2
Fig. 6 is a kind of flow diagram of the preparation method of touch-control display panel provided by the embodiments of the present application.The system
Preparation Method can be used for the touch-control display panel that the record of above-described embodiment 1 is prepared.The following institute of preparation method
State.
Step 601：Encapsulated layer is formed on a display panel.
The material of the encapsulated layer can use the material of low-k, and the scope of the low-k can be 3
Between~8, the material of the low-k can be silica or silicon oxynitride, can also be other with low
The material of dielectric constant.
So, it is possible to reduce the inductance capacitance in the display panel in cathode and touch control layer between touch control electrode, right
When touch-control display panel carries out touch-control, due to reducing the inductance capacitance between cathode and induction electrode and driving electrodes, because
This, in terms of existing technologies, it is possible to reduce interference of the cathode to touch control electrode, and then reduce and touch-control display panel is touched
The damage of function is controlled, improves the touch-control sensitivity of touch-control display panel.
In the embodiment of the present application, in order to further reduce the interference between cathode and touch control electrode, the thickness of the encapsulated layer
Degree can be between 1~10 μm.
Step 602：The second conductive layer is formed on the encapsulated layer, and second conductive layer is performed etching, is formed
Multiple driving electrodes.
In step 602, when forming the multiple driving electrodes, the area of driving electrodes can suitably be increased, so as to
The orthographic projection region of the induction electrode formed in step 604 on said display panel, falls in the driving electrodes described
In orthographic projection region on display panel.
Step 603：Insulating layer is deposited on second conductive layer.
The material of the insulating layer can be transparent material.
In the embodiment of the present application, the insulating layer can use the material of high-k, and the high-k can
With more than or equal to 30, the material of the high-k can be silicon nitride or titanium oxide, can also be aluminium oxide,
Other materials with high-k such as magnesia, zirconium oxide, are not specifically limited here.
In this way, the inductance capacitance between the induction electrode and the driving electrodes can be increased, to touch-control display surface
When plate carries out touch-control, due to adding the inductance capacitance between the induction electrode and the driving electrodes, can drop
Interference of the low cathode to the induction electrode and the driving electrodes, and then improve the touch-control spirit of the touch-control display panel
Sensitivity.
In order to further increase the inductance capacitance between the induction electrode and the driving electrodes, the insulating layer
Thickness can also be arranged between 0.01~10 μm.
Step 604：The first conductive layer is formed on the insulating layer, and first conductive layer is performed etching, is formed
Multiple induction electrodes.
Wherein, the orthographic projection region of the multiple induction electrode being prepared on said display panel falls described
In the orthographic projection region of multiple driving electrodes on said display panel.In this way, the multiple driving electrodes can effectively stop
Or the electromagnetic field that drive signal produces is absorbed, and then interference of the drive signal to the multiple induction electrode is effectively reduced,
Ensure the touch controllable function of touch-control display panel.
In the embodiment of the present application, each described induction electrode can include multiple sequentially connected sensing sub-electrodes, often
One driving electrodes can also include multiple sequentially connected driving sub-electrodes, wherein：
The number of the sensing sub-electrode can be equal with the number of the driving sub-electrode, and, each described sensing
Sub-electrode can respectively fall in one of them described driving sub-electrode in the upper orthographic projection region of the display panel described
In orthographic projection region on display panel.The touch-control display panel that above-mentioned Fig. 2 is recorded specifically is may refer to, here no longer
Repeated description.
The number of the sensing sub-electrode can also be more than the number of the driving sub-electrode, and, at least one sense
Sub-electrode is answered to fall wherein a driving sub-electrode in the upper orthographic projection region of the display panel described aobvious
Show in the orthographic projection region on panel.The touch-control display panel that above-mentioned Fig. 3 is recorded specifically is may refer to, it is no longer heavy here
Multiple description.
The shape of each described sensing sub-electrode and each driving sub-electrode can be diamond shape, can also
It is strip, is not specifically limited here.
It should be noted that in step 602, perform etching to form the multiple driving to second conductive layer
During electrode, second conductive layer can also be performed etching and form multiple filling blocks, the multiple filling block can fill
Between the gap of the multiple driving electrodes, and, between the multiple filling block and the multiple driving electrodes mutually absolutely
Edge, can be with mutually insulated between the multiple filling block.
In the embodiment of the present application, since the multiple filling blocks performed etching to second conductive layer are conductive, because
This, multiple filling blocks can effectively stop or absorb the electromagnetic field of the interstitial drive signal of multiple driving electrodes, avoid
The electromagnetic field is acted on the multiple induction electrode by the gap between multiple driving electrodes, and to the multiple sense
Electrode is answered to produce interference.In this way, the electromagnetic field of the drive signal generation can be more efficiently reduced to the multiple sensing
The interference of electrode, so as to ensure the touch controllable function of touch-control display panel.
The preparation method of touch-control display panel provided by the embodiments of the present application is prepared in touch-control display panel, due to
Multiple driving electrodes between multiple induction electrodes and display panel, and, the positive throwing of multiple induction electrodes on a display panel
Shadow zone domain falls in multiple driving electrodes orthographic projection region on a display panel, therefore, driving electrodes can effectively stop or
The electromagnetic field that drive signal produces is absorbed, when carrying out touch-control to touch-control display panel, can effectively reduce drive signal to sense
The interference of electrode is answered, and then ensures the touch controllable function of touch-control display panel.
It should be noted that in existing touch-control display panel, due to the distance between display panel and touch control electrode compared with
Closely, cathode also easily produces interference to the induction electrode in touch control electrode in display panel, causes touch controllable function to be damaged.
In view of this, a kind of touch-control display panel, including cathode and multiple touch-controls can also be provided in the embodiment of the present application
Electrode, the inside of at least one touch control electrode hollow out, to reduce the opposite face between the touch control electrode and the cathode
Product.The embodiment of the present application is by the way that the inside of at least one touch control electrode in touch-control display panel is hollowed out, it is possible to reduce touch-control electricity
Relative area between pole and touch-control display panel cathode, and then reduce the inductance capacitance between touch control electrode and cathode.This
Sample, when carrying out touch-control to touch-control display panel, due to reducing the inductance capacitance between cathode and induction electrode, can
Effectively to reduce interference of the cathode to touch control electrode, in terms of existing technologies, can reduce to touch-control display panel touch-control
The damage of function, improves the touch-control sensitivity of touch-control display panel.
It should be noted that in touch-control display panel provided by the embodiments of the present application, the touch control electrode can include
Induction electrode and driving electrodes, the inside of at least one touch control electrode hollow out, and can be at least one induced electricities
The inside of pole hollows out or the inside of at least one driving electrodes hollows out or at least one induction electrode
Inside hollow out and the inside of at least one driving electrodes hollows out, be not specifically limited here.
But in practical applications, in general, interference of the cathode to the induction electrode is more than the cathode to institute
The interference of driving electrodes is stated, therefore, as a kind of preferably mode, the inside of at least one induction electrode can be dug
It is empty.
Fig. 7 is a kind of structure diagram of touch-control display panel provided by the embodiments of the present application.
As shown in fig. 7, the touch-control display panel includes multiple (two are only shown in Fig. 7) induction electrodes 71 and more
A (two are only shown in Fig. 7) driving electrodes 72, multiple induction electrodes 71 (X-direction shown in Fig. 7) can be arranged in the first direction
Cloth, multiple driving electrodes 72 (Y-direction shown in Fig. 7) can arrange in a second direction, multiple induction electrodes 71 and multiple drivings
Electrode 72 intersects, and the first direction can be mutually perpendicular to the second direction.
Each induction electrode 71 can include multiple sensing sub-electrodes 711, and each driving electrodes 72 can include multiple
Drive sub-electrode 721.Wherein, the shape of each sensing sub-electrode 711 and each driving sub-electrode 721 can be water chestnut
Shape, in other implementations, the shape of each sensing sub-electrode 711 and each driving sub-electrode 721 can also be
Strip, is not specifically limited here.
In Fig. 7, for one of induction electrode 71, it includes the inside of three sensing sub-electrodes 711 can dig
Sky, in this way, the relative area between induction electrode 71 and cathode can be reduced farthest.In other implementations, one
It can be hollowed out in the sensing sub-electrode that a induction electrode includes with some inductor electrode interior, another part inductor electricity
Extremely internal not hollow out, the number for the sensing sub-electrode that inside hollows out can be determined according to actual conditions, not do specific limit here
It is fixed.Wherein, the internal sensing sub-electrode hollowed out can be adjacent sensing sub-electrode or non-conterminous inductor electricity
Pole, is also not specifically limited here.
In the embodiment of the present application, for one of induction electrode 71, it includes multiple sensing sub-electrodes 711
Can be sequentially connected by the first conducting bridge 712, for one of driving electrodes 71, it includes multiple drivings son
Electrode 721 can be sequentially connected by the second conducting bridge 722, wherein, the first conducting bridge 712 and the second conducting bridge 722 are mutually exhausted
Edge.
Multiple induction electrodes 71 and multiple driving electrodes 72 shown in Fig. 7 can be located in identical conductive layer, and first
712 and second conducting bridge 722 of conducting bridge can be arranged in different conductive layers.If for example, multiple induction electrodes 71 and more
A driving electrodes 72 are located in conductive layer A, then, the first conducting bridge 712 can be located in conductive layer A, and the second conducting bridge 722 can
With (alternatively, the first conducting bridge 712 can be located in conductive layer B, the second conducting bridge 722, which can be located at, leads in conductive layer B
In electric layer A).Wherein, the position relationship of the cathode in conductive layer A, conductive layer B and the touch-control display panel from top to bottom
It can be followed successively by：Conductive layer A, conductive layer B, cathode, or：Conductive layer B, conductive layer A, cathode.
Multiple induction electrodes 71 and multiple driving electrodes 72 shown in Fig. 7 can also be located in different conductive layers, and
First conducting bridge 712 and the second conducting bridge 722 also are located in different conductive layers.Led for example, if multiple induction electrodes 71 are located at
In electric layer A, then the first conducting bridge 712 also is located in conductive layer A, if multiple driving electrodes 71 are located in conductive layer B, second
Conducting bridge 722 also is located in conductive layer B.Wherein, the cathode in conductive layer A, conductive layer B and the touch-control display panel from
The position relationship of top to bottm can be followed successively by：Conductive layer A, conductive layer B, cathode.
In the embodiment of the present application, on the basis of reduction cathode is hollowed out to induction electrode inside to the interference of induction electrode,
In order to reduce interference of the cathode to driving electrodes, can be at least one driving electrodes in the touch-control display panel inside
Hollow out.Wherein, the size of area of knockout can be determined according to being actually needed inside the driving electrodes, not do specific limit here
It is fixed.
As shown in fig. 7, the inside for three driving sub-electrodes 721 that each driving electrodes 72 includes in Fig. 7 can be dug
It is empty.In this way, the relative area between driving electrodes 72 and cathode can be reduced farthest, and then cathode is reduced to driving
The interference of electrode 72.In other implementations, it can be driven in the driving sub-electrode that a driving electrodes include with some
Hollow out, do not hollowed out inside another part driving sub-electrode, the number for the driving sub-electrode that inside hollows out can root inside sub-electrode
Determine according to actual conditions, be not specifically limited here, wherein, the driving sub-electrode that inside hollows out can be adjacent driving
Electrode or non-conterminous driving sub-electrode, are also not specifically limited here.
It should be noted that in practical applications, for whole touch-control display panel, can by it includes sense
Answer and hollowed out inside sub-electrode, drive and do not hollowed out inside sub-electrode, can also be by the sensing sub-electrode and driving
Electrode interior hollows out, and can also be and hollows out a part of inductor electrode interior, is hollowed out inside part driving sub-electrode,
The embodiment of the present application is not specifically limited.
In another embodiment that the application provides, at least one sensing for being included in the touch-control display panel
On the basis of being hollowed out inside sub-electrode, or at least one sense included in the touch-control display panel answers electrode interior
Hollow out and it is at least one driving sub-electrode inside hollow out on the basis of, in order to further increase the touch-control display panel
Touch-control sensitivity, can also be designed as mutually nested structure by adjacent sensing sub-electrode with driving sub-electrode.
Specifically, it is mutually nested between adjacent driving sub-electrode and sensing sub-electrode, it can include：
The side of sub-electrode and the side of adjacent sensing sub-electrode is driven to be respectively provided with concave/convex-shaped structure, two concavo-convex knots
Configuration shape is consistent and is mutually matched.
The convex position of the driving sub-electrode can be embedded in the spill position of the sensing sub-electrode, the sensing
The convex position of sub-electrode can be embedded in the spill position of the driving sub-electrode.Wherein, the spill of the concave/convex-shaped structure
Position and convex position can be rectangle, and square, arc or other shapes, are not specifically limited here.
In this way, by the way that sensing sub-electrode is designed as concave/convex-shaped structure with adjacent driving sub-electrode, on the one hand can increase
Loading answers sub-electrode and drives the relative area between sub-electrode, on the other hand can also shorten sensing sub-electrode and driving
The distance between electrode, so as to be effectively increased the mutual tolerance between induction electrode and driving electrodes, to touch control display apparatus
When carrying out touch-control, the capacitance variations that induction electrode detects can be increased, effectively improve the detection sensitivity of induction electrode, touched
Control the touch-control sensitivity of display panel.
Touch-control display panel provided by the embodiments of the present application, including cathode and multiple induction electrodes, at least one sense
The inside of electrode is answered to hollow out, to reduce the relative area between the induction electrode and the cathode.The embodiment of the present application passes through
The inside of induction electrode in touch-control display panel is hollowed out, it is possible to reduce induction electrode and touch-control display panel cathode it
Between relative area, and then reduce the inductance capacitance between induction electrode and cathode.In this way, carried out to touch-control display panel
During touch-control, since the inductance capacitance between cathode and induction electrode diminishes, induction electrode can detect larger electricity
Hold change, so as to effectively reduce interference of the cathode to induction electrode, improve the detection sensitivity of induction electrode, touch-control display surface
The touch-control sensitivity of plate.
It should be noted that the embodiment of the present application is by by the inside of at least one touch control electrode in touch-control display panel
Hollow out, interference of the cathode to touch control electrode can be reduced, the touch-control sensitivity of touch-control display panel is improved, in addition, in the application
In the other embodiment of offer, the region in the cathode with the position correspondence of the touch control electrode can also be hollowed out,
In this way, interference of the cathode to the touch control electrode can also be reduced, and then the touch-control for improving touch-control display panel is sensitive
Degree.
Fig. 8 is a kind of structure diagram of touch-control display panel provided by the embodiments of the present application.The touch-control display panel
As described below.
Touch-control display panel shown in Fig. 8 can include induction electrode layer 101, drive electrode layer 102 and cathode layer
103, the overlying relation of three can be：Induction electrode layer 101, drive electrode layer 102 and cathode layer 103.Wherein,
Induction electrode layer 101 includes multiple induction electrodes 1011, and it is (not specific in Fig. 8 that drive electrode layer includes multiple driving electrodes 102
Show), cathode layer 103 can be considered as the cathode of the touch-control display panel.
In fig. 8, the cathode can include multiple area of knockout 1031, the number and induced electricity of area of knockout 1031
The number of pole 1011 is identical (7 induction electrodes, 1011,7 area of knockout 1031 are shown in Fig. 8), each area of knockout
1031 position can be corresponded with the position of each induction electrode 1011.
In this way, for the whole cathode, it is possible to reduce the opposite face between the cathode and the induction electrode
Product, and then the inductance capacitance between the cathode and the induction electrode is reduced, when carrying out touch-control to touch-control display panel,
Interference of the cathode to the induction electrode can be effectively reduced, and then improves the touch-control sensitivity of touch-control display panel.
It should be noted that in touch-control display panel shown in Fig. 8, for the area of knockout that the cathode includes
Number is also less than the number of the induction electrode.For example, 5 diggings can be included in the cathode of touch-control display panel shown in Fig. 8
Dummy section, the position of each area of knockout can corresponding with the position of an induction electrode (i.e. there are two sensings
The corresponding cathode zone of electrode position does not hollow out).In this way, for the whole cathode, the cathode can also be reduced
With the relative area between the induction electrode, and then the interference of the cathode to induction electrode is reduced.
In addition, the number for the area of knockout that the cathode includes can also be more than the institute that the induction electrode includes
State the number of sensing sub-electrode.For example, for one of induction electrode shown in Fig. 8, can be in the cathode of its position correspondence
Region is hollowed out and obtains two or more area of knockout, the position of the positions of these area of knockout with the induction electrode
It is corresponding.The relative area between the cathode and the induction electrode can also be so reduced, and then reduces the cathode pair
The interference of induction electrode.
In practical applications, the number of the area of knockout included in the cathode can be according to the induced electricity
The sensitivity requirement of pole determines, is not specifically limited here.As a kind of preferably mode, it may be determined that wrapped in the cathode
The number of the area of knockout contained is identical with the number of the induction electrode, and the position of the area of knockout and the sense
The position of electrode is answered to correspond.
In Fig. 8, the shape of each area of knockout 1031 can be identical with the shape of induction electrode 1011, i.e., each
The shape of area of knockout 1031 can be strip, the area of each area of knockout 1031 can also be equal to opposite with its position
The area for the induction electrode 1011 answered.In this way, for the whole cathode, the cathode can be farthest reduced
With the relative area between the induction electrode, and then interference of the cathode to the induction electrode is effectively reduced.
In addition, the area of each area of knockout 1031 might be less that the induction electrode with its position correspondence in Fig. 8
1011 area, in this way, for the whole cathode, can reduced between the cathode and the induction electrode
On the premise of relative area, ensure that the display function of the cathode is not damaged as much as possible.Wherein, each area of knockout
1031 specific area can be according to the detection sensitivity requirement of the induction electrode or the touch-control of the touch-control display panel
Sensitivity requirement determines, is not specifically limited here.
Touch-control display panel provided by the embodiments of the present application, including cathode and multiple induction electrodes, wherein, the cathode
Comprising at least one area of knockout, the position of each area of knockout position with induction electrode one of them described respectively
Put it is corresponding, to reduce the relative area between the cathode and the induction electrode.In this way, for whole cathode, lead to
Crossing will be hollowed out in touch-control display panel cathode with the corresponding region of induction electrode, it is possible to reduce cathode and induction electrode
Between relative area, and then reduce the inductance capacitance between cathode and induction electrode.In this way, to touch-control display panel into
During row touch-control, due to reducing the inductance capacitance between cathode and induction electrode, it is possible to reduce cathode is to induction electrode
Interference, in terms of existing technologies, the capacitance variations that induction electrode detects can be increased, improve the inspection of induction electrode
Sensitivity is surveyed, and then improves the touch-control sensitivity of touch-control display panel.
Fig. 9 is the structure diagram of another touch-control display panel provided by the embodiments of the present application.The touch-control display surface
Plate is as described below.
Touch-control display panel shown in Fig. 9 includes touch control electrode layer 1101 and cathode layer 1102, touch control electrode layer 1101
The top of cathode layer 1102 can be located at, multiple induction electrodes 1111 and multiple drives can be included in touch control electrode layer 1101
Moving electrode 1102, cathode layer 1102 can be considered as the cathode of the touch-control display panel.
In Fig. 9, multiple induction electrodes 1111 are with multiple driving electrodes 1112 positioned at identical (the i.e. touch-control electricity of conductive layer 111
1101) pole layer, and intersects, wherein, multiple induction electrodes 1111 can be multiple in the first direction (X-direction in Fig. 9)
Driving electrodes 1112 can in a second direction (Y-direction in Fig. 9), and the first direction intersects with the second direction.This Shen
Please be in embodiment, multiple induction electrodes 1111 and multiple driving electrodes 1112 can be transparent conductive material or metal material.
For one of induction electrode 1111, which can include multiple sequentially connected senses
Sub-electrode (4 sensing sub-electrodes are shown in Fig. 9) is answered, the shape of each sensing sub-electrode is diamond shape；For wherein one
For a driving electrodes 1112, which can include 4 sequentially connected driving sub-electrodes, described in each
The shape for driving sub-electrode is diamond shape.
It should be noted that in other implementations, for induction electrode one of them described, it includes it is each
The shape of a sensing sub-electrode can also be strip, alternatively, the shape that can also be a part of sensing sub-electrode is
Diamond shape, the shape of another part sensing sub-electrode is strip, is not specifically limited here.Similarly, for drive one of them described
Moving electrode, it includes each it is described driving sub-electrode shape can also be strip, alternatively, it is a part of it is described driving son
The shape of electrode is diamond shape, and the shape of another part driving sub-electrode is strip, as long as meeting the sensing sub-electrode and institute
The display area of the touch-control display panel can be covered with by stating the pattern of driving sub-electrode.
In touch-control display panel shown in Fig. 9, for each induction electrode 1111, which can
With comprising at least one electrode zone 1113 intersected with driving electrodes 1112, as shown in figure 9, an induction electrode 1111 wraps
1113,5 induction electrodes 1111 containing 5 electrode zones include 9 electrode zones 1113.Wherein, each electrode zone 1113
Corresponding induction electrode is mutually not connected to driving electrodes.
It should be noted that the multiple electrodes region that the induction electrode 1111 shown in Fig. 9 intersects with driving electrodes 1112
1113 be usually the bridge formations for being used to connect multiple sensing sub-electrodes, and in the embodiment of the present application, multiple electrodes region 1113 can be with
It is considered as a part for induction electrode 1111, inductance capacitance can be produced between the electrode zone 1113 and the cathode, right
When the display touch surface carries out touch-control, the cathode can produce interference by electrode zone 1113 to induction electrode 1111.
In touch-control display panel shown in Fig. 9, at least one area of knockout 1121 can be included in cathode layer 112, it is each
The position of a area of knockout 1121 is corresponding with the position of an electrode zone 1113 respectively, as shown in figure 9, in cathode layer 112
Comprising 9 area of knockout 1121, the position of each area of knockout 1121 and 9 electrode zones included in electrode layer 111
1113 position corresponds.So, it is possible to reduce the relative area between the cathode and the electrode zone, and then subtract
Few relative area between the cathode and the induction electrode, reduces interference of the cathode to the induction electrode.
The number of the area of knockout 1121 included in the cathode described in Fig. 9 is identical with the number of electrode zone 1113,
In other implementations, the number of area of knockout 1121 might be less that the number of induction region 1113, in this way, can also
The relative area between the cathode and the induction electrode is reduced, and then reduces the cathode and the induction electrode is done
Disturb.
In Fig. 9, for one of area of knockout 1121, the shape of area of knockout 1121 can be with position correspondence
1113 shape of induction region it is identical, as shown in figure 9, the shape of induction region 1113 is strip, the shape of area of knockout 1121
Also it is strip.In addition, the area of area of knockout 521 can also be identical with the area of the induction region 1113 of position correspondence, this
Sample, can farthest reduce the relative area between area of knockout 1121 and induction region 1113, and then effectively reduce institute
State the relative area between cathode and the induction electrode.
In addition, the area of area of knockout 1121 might be less that the area of the induction region 1113 of position correspondence, to reduce
The region that the cathode is hollowed out, avoids the display function of the cathode from being damaged.
In cathode 11112 shown in Fig. 9, in addition to it can include multiple area of knockout 1121, multiple diggings can also be included
Dummy section 1122, the position of each area of knockout 1122 can be corresponding with sensing the position of sub-electrode one of them described.
Specifically, the number of area of knockout 1122 can be not more than the number of the sensing sub-electrode, specifically can be according to actual needs
Determine, be not specifically limited here.For one of area of knockout 1122, the shape of area of knockout 1122 can be with
The shape of the sensing sub-electrode 1111 of position correspondence is identical, and the area of area of knockout 1122 can be less than the inductor
The area of electrode 1111.In this way, on the basis of the corresponding cathode zone of the electrode zone is hollowed out, by least one sense
Answer the corresponding cathode zone of sub-electrode to hollow out, can effectively reduce the relative area between induction electrode and cathode, and then drop
Interference of the low cathode to induction electrode.
It should be noted that in practical applications, preferably the induction electrode can be overlapped with the driving electrodes
The corresponding cathode portion of electrode zone hollows out, the reason is that：The cathode zone of the position correspondence of the electrode zone is to induction electrode
Interference, interference of the cathode zone to induction electrode compared to the position correspondence of the sensing sub-electrode become apparent, because
This, in order to effectively reduce interference of the cathode to induction electrode, and the display function for avoiding cathode of maximum possible is damaged, can be with
It is preferred that position corresponding with the electrode zone in cathode is hollowed out.
Touch-control display panel provided by the embodiments of the present application, including cathode, multiple induction electrodes and multiple driving electricity
Pole, wherein, multiple induction electrodes and multiple driving electrodes are located at a conductive layer, the multiple induction electrode with it is the multiple
Driving electrodes intersect, and include the electrode zone of at least one intersection, and area is hollowed out comprising at least one in the cathode
Domain, the position of each area of knockout are corresponding with the position of one of electrode zone.
, can be with this way, by the way that region corresponding with induction electrode and driving electrodes lap in cathode is hollowed out
The relative area between cathode and induction electrode is reduced, and then reduces the inductance capacitance between cathode and induction electrode.In this way,
When carrying out touch-control to touch-control display panel, due to reducing the inductance capacitance between cathode and induction electrode, reduce
Interference of the cathode to induction electrode, in terms of existing technologies, can increase the capacitance variations that induction electrode detects,
The detection sensitivity of induction electrode is improved, and then improves the touch-control sensitivity of touch-control display panel.
Embodiment 3
The embodiment of the present application additionally provides a kind of touch control display apparatus, and the touch control display apparatus can include above-mentioned reality
Apply the touch-control display panel of the record of example 1.
It will be understood by those skilled in the art that although preferred embodiments of the present invention have been described, but skill in the art
Art personnel once know basic creative concept, then other change and modification can be made to these embodiments.So institute
Attached claim is intended to be construed to include preferred embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from the present invention's by those skilled in the art
Scope.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to comprising including these modification and variations.
Claims (10)
- A kind of 1. touch-control display panel, it is characterised in that including：First conductive layer, the second conductive layer and display panel, its In：Multiple induction electrodes are included in first conductive layer, include multiple driving electrodes in second conductive layer, described Two conductive layers are between first conductive layer and the display panel；The orthographic projection region of the multiple induction electrode on said display panel falls in the multiple driving electrodes described aobvious Show in the orthographic projection region on panel.
- 2. touch-control display panel as claimed in claim 1, it is characterised in that each described driving electrodes include it is multiple successively The driving sub-electrode of connection, each described induction electrode include multiple sequentially connected sensing sub-electrodes, wherein：The number of the sensing sub-electrode is equal with the number of the driving sub-electrode, each described sensing sub-electrode is described The upper orthographic projection region of display panel respectively falls in one of them the positive throwing of the driving sub-electrode on said display panel In the domain of shadow zone；Or,The number of the sensing sub-electrode is more than the number of the driving sub-electrode, and at least one sensing sub-electrode is described Orthographic projection region on display panel falls wherein the orthographic projection region of a driving sub-electrode on said display panel It is interior.
- 3. touch-control display panel as claimed in claim 2, it is characterised in thatThe shape of the driving sub-electrode is diamond shape and/or strip, and the shape of the sensing sub-electrode is diamond shape and/or strip.
- 4. such as claims 1 to 3 any one of them touch-control display panel, it is characterised in that also wrapped in second conductive layer Containing multiple filling blocks, wherein：The multiple filling block is filled in the gap between the multiple driving electrodes；Mutually insulated between the multiple filling block, and between the multiple filling block and the multiple driving electrodes mutually absolutely Edge.
- 5. touch-control display panel as claimed in claim 1, it is characterised in thatDrive signal line is included in the display panel, the drive signal line is used to provide drive signal, the drive signal Including：At least one of data voltage signal, power supply signal, scan control signal and LED control signal.
- 6. touch-control display panel as claimed in claim 1, it is characterised in that the touch-control display panel further includes：Cathode, its In：At least one area of knockout is included in the cathode, the position of each area of knockout senses with one of respectively The position of electrode or driving electrodes is corresponding.
- A kind of 7. preparation method of touch-control display panel, it is characterised in that including：Encapsulated layer is formed on a display panel；The second conductive layer is formed on the encapsulated layer, and second conductive layer is performed etching, forms multiple driving electrodes；Insulating layer is deposited on second conductive layer；The first conductive layer is formed on the insulating layer, and first conductive layer is performed etching, forms multiple induction electrodes；The orthographic projection region of the multiple induction electrode on said display panel falls in the multiple driving electrodes described aobvious Show in the orthographic projection region on panel.
- 8. preparation method as claimed in claim 7, it is characterised in that each described driving electrodes includes multiple be sequentially connected Driving sub-electrode, each described induction electrode includes multiple sequentially connected sensing sub-electrodes, wherein：The number of the sensing sub-electrode is equal with the number of the driving sub-electrode, each described sensing sub-electrode is described The upper orthographic projection region of display panel respectively falls in one of them the positive throwing of the driving sub-electrode on said display panel In the domain of shadow zone；Or,The number of the sensing sub-electrode is more than the number of the driving sub-electrode, and at least one sensing sub-electrode is described The upper orthographic projection region of display panel falls wherein the forward projection region of a driving sub-electrode on said display panel In domain.
- 9. preparation method as claimed in claim 8, it is characterised in thatMultiple filling blocks are formed when being performed etching to second conductive layer, the multiple filling block is filled in the multiple drive In gap between moving electrode, mutually insulated between the multiple filling block, and the multiple filling block and the multiple driving Mutually insulated between electrode.
- A kind of 10. touch control display apparatus, it is characterised in that including：Such as claim 1 to 6 any one of them touch-control display surface Plate.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711241252.3A CN108037846B (en) | 2017-11-30 | 2017-11-30 | Touch display panel, preparation method thereof and touch display device |
| PCT/CN2018/097341 WO2019105051A1 (en) | 2017-11-30 | 2018-07-27 | Touch display panel and preparation method therefor, and touch display device |
| US16/349,122 US20200285347A1 (en) | 2017-11-30 | 2018-07-27 | Touch display panel, method of manufacturing the same and touch display device |
| TW107127174A TWI665594B (en) | 2017-11-30 | 2018-08-03 | Touch display panel, preparation method thereof, and touch display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711241252.3A CN108037846B (en) | 2017-11-30 | 2017-11-30 | Touch display panel, preparation method thereof and touch display device |
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| CN108037846A true CN108037846A (en) | 2018-05-15 |
| CN108037846B CN108037846B (en) | 2021-02-26 |
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| CN108037846B (en) | 2021-02-26 |
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Application publication date: 20180515 Assignee: Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd Assignor: The valley (Guan) Technology Co. Ltd. Contract record no.: X2019990000155 Denomination of invention: Touch display panel, preparation method thereof and touch display device License type: Common License Record date: 20191030 |
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Effective date of registration: 20191210 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Applicant after: Guangzhou Guoxian Technology Co., Ltd Address before: 065500 Hebei Langfang County Guan emerging industry demonstration area Applicant before: The valley (Guan) Technology Co. Ltd. |
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