CN106527813B - A kind of driving method of touch-control display panel and touch-control display panel - Google Patents
A kind of driving method of touch-control display panel and touch-control display panel Download PDFInfo
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- CN106527813B CN106527813B CN201611046109.4A CN201611046109A CN106527813B CN 106527813 B CN106527813 B CN 106527813B CN 201611046109 A CN201611046109 A CN 201611046109A CN 106527813 B CN106527813 B CN 106527813B
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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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The present invention provides a kind of touch-control display panels to have conductive layer including the first electrode and second electrode being oppositely arranged between first electrode and second electrode, conductive layer and first electrode, second electrode are insulated from each other.The capacitance change of the series capacitance constituted according to first electrode, conductive layer and second electrode carries out pressure detecting.Conductive layer includes the conducting block of multiple array distributions, and touch-control display panel includes first area and the second area around first area, and the area of the conducting block positioned at second area is less than positioned at the area of the conducting block of first area.The present invention provides a kind of driving methods of touch-control display panel, for driving touch-control display panel provided by the invention.Touch-control display panel provided by the invention is in pressure of the different location by same size, it is able to detect that the pressure signal amount of same size, the homogeneity of touch control detection is improved, and improves the pressure signal amount of entire touch-control display panel, the user experience is improved.
Description
Technical field
The present invention relates to technical field of touch control, in particular to the driving side of a kind of touch-control display panel and touch-control display panel
Method.
Background technique
Touch-control display panel has a display and the advantages that position touch control detection function, easy to use, man-machine communication has experienced,
Therefore the extensive favor by market.With the development of touch technology, now with a kind of more novel touch technology -- pressure sensitivity
Touch technology, attracting attention slowly.The touch-control display panel of pressure sensitivity touch technology is combined when by ambient pressure,
Information that can be different according to different pressure feedbacks, and then more usage experiences are provided.But in the prior art, touch-control is shown
For panel when being pressed by the onesize pressure of finger, the glassy variable of touch-control display panel center and peripheral is inconsistent, in
Heart glass deformation amount is big, and edge glass deflection is small.Therefore the variation of the capacitor's capacity at center and edge is inconsistent, and entire touch-control is aobvious
Show that the pressure signal amount uniformity of panel is poor.
Summary of the invention
In view of this, the present invention provides a kind of touch-control display panels, so that being pressed in touch-control display panel by finger
When, the pressure signal amount of entire touch-control display panel can not only be improved, and touch-control display panel is in the pressure by same size
When power, any position being under pressure can detect the pressure signal amount of same size, something which increases
User experience.The present invention also provides for driving the driving method of the touch-control display panel.
To achieve the above object, the invention provides the following technical scheme:
A kind of touch-control display panel, characterized by comprising: the first electrode and second electrode being oppositely arranged;Positioned at institute
State the conductive layer between first electrode and the second electrode, the first electrode, the second electrode and the conductive layer that
This insulation.Wherein, the conductive layer includes multiple conducting blocks, and the conducting block is in array distribution;The touch-control display panel packet
First area and the second area around first area are included, the area positioned at the conducting block of the first area is less than position
In the area of the conducting block of the second area;It is constituted according to the first electrode, conductive layer and the second electrode
The capacitance change of series capacitance carries out pressure detecting.
Optionally, the touch-control display panel includes the array substrate being oppositely arranged and backlight module;The array base
There is first gas layer between plate and the backlight module;The first electrode is located at the array substrate, the second electrode
Positioned at the backlight module.
Optionally, the conducting block is square.
Optionally, on from the first area to the direction of the second area, the face of the conducting block of the first area
Product is gradually increased.
Optionally, on from the first area to the direction of the second area, the face of the conducting block of the second area
Product is gradually increased.
Optionally, on from the first area to the direction of the second area, the conducting block of the first area and institute
The area for stating the conducting block of second area is gradually increased.
Optionally, the backlight module includes backlight iron frame and is located at the backlight iron frame towards the array substrate side
Optical stack;The optical stack includes being directed toward on the array substrate direction successively to set by the backlight module
Reflector plate, light guide plate, diffusion sheet and at least one layer of brightening piece set;The backlight iron frame is the second electrode;The conduction
Layer is set to the reflector plate towards backlight iron frame side.
Optionally, the touch-control display panel is equipped with insulation deformation layer, and the insulation deformation layer is arranged in the reflector plate
Between the backlight iron frame.
Optionally, the insulation deformation layer is second gas layer or flexible material layer.
Optionally, the height of the insulation deformation layer is greater than the height of the first gas layer.
Optionally, the conductive layer is indium tin oxide layer or metal film layer or metal mesh compartment.
Optionally, public voltage signal is provided for the first electrode in the display stage;It is described in the pressure-driven stage
First electrode provides pressure scanning signal, provides predetermined DC voltage for the second electrode.
Above-mentioned touch-control display panel can not only improve the pressure signal of entire touch-control display panel when being pressed by finger
Amount, and when pressure of the touch-control display panel by same size, any position being under pressure can detect
The pressure signal amount of same size, something which increases user experiences.
A kind of driving method of touch-control display panel, is applied to any of the above-described touch-control display panel, and the touch-control is shown
Panel further includes driving circuit, wherein
In the pressure touch stage:
Pressure scanning signal is provided by the driving circuit for the first electrode;It is provided for the second electrode default
DC voltage;
The capacitance change of the series capacitance constituted according to the first electrode, conductive layer and the second electrode is pressed
Power detection.
Optionally, in the display stage: providing public voltage signal by the driving circuit for the first electrode.
Above-mentioned driving method is applied to touch-control display panel provided by the invention, so that the touch-control display panel is fine
Realization show and pressure sensitivity touch-control effect that the user experience is improved.
The driving method of touch-control display panel and touch-control display panel provided by the invention, can be effectively solved background skill
Touch-control display panel described in art by the onesize pressure of finger when being pressed, because of the glass of touch-control display panel center and peripheral
The problem of the pressure signal amount homogeneity difference of entire touch-control display panel caused by glass deflection is inconsistent, to improve use
Family experience.
Detailed description of the invention
It, below will be to the present invention or prior embodiment in order to illustrate more clearly of the present invention or prior embodiment
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be according to offer
Attached drawing obtains other accompanying drawings.
Fig. 1 a is the simple diagrammatic cross-section of one embodiment of the invention touch-control display panel;
Fig. 1 b is the overlooking structure diagram of touch-control display panel provided in an embodiment of the present invention;
Fig. 1 c is the planar structure schematic diagram of the above embodiment of the present invention conductive layer;
Fig. 2 a is prior art touch-control display panel capacitance structure schematic diagram;
Fig. 2 b is one embodiment of the invention touch-control display panel capacitance structure schematic diagram;
Fig. 3 is the planar structure schematic diagram of further embodiment of this invention conductive layer;
Fig. 4 is the planar structure schematic diagram of another embodiment of the present invention conductive layer;
Fig. 5 is the planar structure schematic diagram of yet another embodiment of the invention conductive layer;
The planar structure schematic diagram of the position Fig. 6 another embodiment of the present invention conductive layer;
Fig. 7 is another embodiment of the present invention touch-control display panel backlight module sectional view;
Fig. 8 is touch-control display panel test point schematic diagram;
Fig. 9 is one embodiment of the invention touch-control display panel sectional view;
Figure 10 is the pressure signal amount tables of data that above-mentioned test point is tested under 1kg, 500g and 200g;
Figure 11 is yet another embodiment of the invention touch-control display panel backlight module sectional view;
Figure 12 is the present invention for driving the drive circuit schematic diagram of above-mentioned touch-control display panel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
Secondly, combination schematic diagram of the present invention is described in detail, when describing the embodiments of the present invention, for purposes of illustration only, table
Show that the schematic diagram of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example, is not answered herein
Limit the scope of protection of the invention.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication.
As stated in the background art, the entire panel of existing touch-control display panel has the problem of output signal amount homogeneity difference.
In view of this, the embodiment of the invention provides a kind of touch-control display panels, characterized by comprising:
The first electrode and second electrode being oppositely arranged;Leading between the first electrode and the second electrode
Electric layer, the first electrode, the second electrode and the conductive layer are insulated from each other.Wherein, the conductive layer includes multiple leads
Electric block, the conducting block are in array distribution;The touch-control display panel includes first area and around the second of first area
Region is less than the face of the conducting block positioned at the second area positioned at the area of the conducting block of the first area
Product;The capacitance change of the series capacitance constituted according to the first electrode, conductive layer and the second electrode carries out pressure inspection
It surveys.
One embodiment of the invention provides a kind of touch-control display panel, and Fig. 1 a is one embodiment of the invention touch-control display surface
The simple diagrammatic cross-section of plate;Fig. 1 b is the overlooking structure diagram of touch-control display panel provided in an embodiment of the present invention;Fig. 1 c
For the planar structure schematic diagram of the above embodiment of the present invention conductive layer.
As shown in Fig. 1 a, Fig. 1 b and Fig. 1 c, touch-control display panel includes the first electrode 1 being oppositely arranged and the second electricity
Pole 2, the conductive layer 3 between the first electrode 1 and the second electrode 2, the first electrode 1, the second electrode 2
It is insulated from each other with the conductive layer 3;The touch-control display panel includes first area A1 and around the of the first area
Two region A2, wherein the first area A1 is the intermediate region of the touch-control display panel, and the second area A2 is
The fringe region of the touch-control display panel.Wherein, the conductive layer 3 includes multiple conducting block 3a, and the conducting block 3a is in battle array
Column distribution is less than the face of the conducting block positioned at the second area positioned at the area of the conducting block of the first area
Product;The capacitance change of the series capacitance constituted according to the first electrode 1, conductive layer 3 and the second electrode 2 carries out pressure
Detection.
Only using first area A1 as square region in the present embodiment, it is illustrated for the annular region of second area A2,
But the present invention is not limited to this, first area A1 can also be border circular areas in other embodiments.Also, the present invention is real
Apply in example that the area in square shaped region and the area of annular region are not defined, the area and annular region of square region
Area can be set according to the physical plane size of practical touch-control display panel.
One embodiment of the invention provides a kind of touch-control display panel, can increase pressure detecting signal variable quantity, also
The pressure detecting signal variable quantity of entire touch-control display panel can be homogenized.Referring to the prior art and the embodiment of the present invention
Compare, Fig. 2 a is prior art touch-control display panel capacitance structure schematic diagram, and Fig. 2 b is one embodiment of the invention touch-control display surface
Plate capacitance structure schematic diagram.
The capacitor calculation formula of two parallel electrode plates is C=ε S/4k π D, wherein ε is dielectric constant, and k is that electrostatic force is normal
Amount, S are two-plate positive area, and D is the two poles of the earth distance between plates.As shown in Figure 2 a and 2 b, the D of the prior art should be d1+d2+d,
Wherein d1 is the spacing of the first electrode 1 and the conductive layer 3, and d2 is between the conductive layer 3 and the second electrode 2
Away from d is the thickness of the conductive layer 3.Electricity before prior art touch-control display panel first electrode 1 and second electrode 2 do not press
Hold is Ca, Ca=ε S/4k π D.
As shown in Figure 2 b, touch-control display panel of embodiment of the present invention capacitor before not pressing is Cb, the embodiment of the present invention
Increase the conductive layer 3 with a thickness of d, the first electrode 1 and institute between the first electrode 1 and the second electrode 2
The charge opposite with the charge polarity of the conductive layer 3 can respectively be generated by stating 2 two surfaces of second electrode, and C1 is first electricity
Capacitor between pole 1 and the conductive layer 3, capacitor of the C2 between the conductive layer 3 and the second electrode 2, Cb be C1 with
C2 connects to obtain.According to capacitor tandem principle, Cb=C1C2/ (C1+C2), Cb=ε S/4k π (d1+d2)=ε S/4k π (D-
d)。
If the first electrode 1 and 2 spacing of the second electrode reduce △ d after pressing, for the prior art, pressing
It is afterwards Δ Ca=ε S Δ d/4k π (D- Δ d) D with the capacitive differential before pressing;For the present embodiment, after pressing and before pressing
Capacitive differential is Δ Cb=ε S Δ d/4k π (D-d- Δ d) (D-d).As it can be seen that Δ Cb > Δ Ca, the present embodiment and prior art
Touch-control display panel capacitive differential variation before and after pressing increases, therefore touch-control display panel provided by the invention increases pressure
Change in detection signal amount.
In addition, in the prior art, touch-control display panel by the onesize pressure of finger when being pressed, touch-control display surface
The glass deformation amount of plate center and peripheral is inconsistent, and centre pane deflection is big, and edge glass deformation quantity is small, edge capacitance capacitance
Change it is small so that the pressure signal amount that touch-control display panel edge detection arrives is small.According to the calculation formula C=ε S/4k π D of capacitor
It is found that the area of capacitor and pole plate is directly proportional, therefore by becoming privileged conducting layer figure, as illustrated in figure 1 c, make conductive layer 3
It is greater than the area positioned at the 3 first partially electronically conductive piece of 3a1 of area A1 of conductive layer in the area of second area A2 conducting block 3a2.It is logical
It crosses 3 special graph of conductive layer, when the present embodiment touch-control display panel is pressed by the pressure of same size, by
Any position of pressure can detect the pressure signal amount of same size, reduce answering for touch-control display panel data processing
Miscellaneous degree.
Another embodiment of the present invention provides a kind of touch-control display panels, as shown in figure 3, except with it is provided by the invention other
Outside the identical part of embodiment, the conducting block 3b is square.
Further embodiment of this invention provides a kind of touch-control display panel, as shown in figure 4, except with it is provided by the invention other
Outside the identical part of embodiment, from the first area to the direction of the second area on, the conducting block of the first area
The area of 3c1 is gradually increased.
Another embodiment of the present invention provides a kind of touch-control display panels, as shown in figure 5, except with it is provided by the invention other
Outside the identical part of embodiment, from the first area to the direction of the second area on, the conducting block of the second area
The area of 3d2 is gradually increased.
Further embodiment of this invention provides a kind of touch-control display panel, as shown in fig. 6, except with it is provided by the invention other
Outside the identical part of embodiment, from the first area to the direction of the second area on, the conducting block of the first area
The area of the conducting block 3e2 of 3e1 and the second area is gradually increased.
Another embodiment of the present invention provides a kind of touch-control display panels, as shown in fig. 7, except with it is provided by the invention other
Outside the identical part of embodiment, the touch-control display panel includes the array substrate 4 being oppositely arranged and backlight module 12;It is described
There is first gas layer 5 between array substrate 4 and the backlight module 12.The backlight module 12 includes 201 He of backlight iron frame
Positioned at the backlight iron frame 201 towards the optical stack 11 of 4 side of array substrate, the optical stack 11 is wrapped
It includes and the reflector plate 10 set gradually on 4 direction of array substrate, light guide plate 9,8 and of diffusion sheet is directed toward by the backlight module 12
At least one layer of brightening piece 7.The first electrode 1 is located at the array substrate 4, and the backlight iron frame 201 is the second electrode
2.The conductive layer 3 is set to the reflector plate 10 towards 201 1 side surface of backlight iron frame.
Prior art touch-control display panel and embodiments of the present invention touch-control display panel are compared into test below,
As shown in figure 8,1, center point and 4, edge point is selected to carry out pressure test, test on prior art touch-control display panel 14
Pressure size is 1kg, 500g and 200g, detects pressure signal amount of above-mentioned 5 points in each pressure size by pressure.
Then, identical test, a kind of touching provided by the invention are carried out in a kind of touch-control display panel provided by the invention
Display panel is controlled, as shown in figure 9, under the premise of the distance D of the first electrode 1 and the backlight iron frame 202 is remained unchanged,
The conductive layer 3 is set to the reflector plate 10 towards 201 1 side surface of backlight iron frame, wherein the conductive layer 3 is thick
Degree d is 23um.
Finally, carrying out identical test in another touch-control display panel provided by the invention.It is provided by the invention another
Kind touch-control display panel is as shown in Figure 6 and Figure 7, what the distance D of the first electrode 1 and the backlight iron frame 201 was remained unchanged
Under the premise of, the conductive layer 3 is set to the reflector plate 10 towards 201 1 side surface of backlight iron frame, wherein described lead
3 thickness d of electric layer is 23um.By 3 special graph of conductive layer, and the area of center conducting block 3e is edge conductive block
The 70% of 3e area.
Above-mentioned test data of experiment is as shown in Figure 10.It can be seen that from experimental results, when positioned at the conductive layer 3 second
When the area of the conducting block of the region part A2 is greater than positioned at the area of the 3 first area part A1 conducting block of conductive layer, not only
Touch-control display panel overall signal amount can be improved, but also can effectively solve touch-control display panel center and peripheral pressure signal amount
Homogeneity difference problem, promoted user experience.
Further embodiment of this invention provides a kind of touch-control display panel, except identical as other embodiments provided by the invention
Part outside, the display stage be the first electrode 1 public voltage signal is provided;It is first electricity in the pressure-driven stage
Pole 1 provides pressure scanning signal, provides predetermined DC voltage for the second electrode 2.
Yet another embodiment of the invention provides a kind of touch-control display panel, as shown in figure 11, except with it is provided by the invention its
Outside the identical part of his embodiment, the touch-control display panel is additionally provided with insulation deformation layer 13, and the insulation deformation layer 13 is arranged
Between the reflector plate 10 and the backlight iron frame 203.The first electrode 1 is located at the array substrate 4, the backlight iron
Frame 203 is the second electrode 2.The conductive layer 3 is set to the reflector plate 10 towards the 203 side table of backlight iron frame
Face.
Yet another embodiment of the invention provides a kind of touch-control display panel, except identical as other embodiments provided by the invention
Part outside, as shown in figure 11, wherein the height of first gas layer 5 is h, and the height of insulation deformation layer is l, and l > h.It is described
The deformation layer 13 that insulate is second gas layer or flexible material layer, such as elastic foam.
Further embodiment of this invention provides a kind of touch-control display panel, except identical as other embodiments provided by the invention
Part outside, the conductive layer 3 can be indium tin oxide layer (ITO), the main characteristic of tin indium oxide be its electricity conduction and light
Transparent combination is learned, metal film layer, such as nano silver are also possible to, can also be metal mesh compartment.
The present invention provides a kind of driving methods of touch-control display panel, for driving any of the above-described touch-control display panel,
As shown in figure 12, the touch-control display panel 15 further includes driving circuit 16, wherein passes through the driving in the pressure touch stage
Circuit 16 is that the first electrode 1 provides pressure scanning signal, provides predetermined DC voltage for the second electrode 2;According to institute
The capacitance change for stating the series capacitance that first electrode 1, conductive layer 3 and the second electrode 2 are constituted carries out pressure detecting.
Invention further provides a kind of driving methods of touch-control display panel, are applied to any of the above-described touch-control display panel,
Public voltage signal is provided for the first electrode 1 by the driving circuit 16 in the display stage.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (14)
1. a kind of touch-control display panel, characterized by comprising:
The first electrode and second electrode being oppositely arranged;
Conductive layer between the first electrode and the second electrode, the first electrode, the second electrode and institute
It is insulated from each other to state conductive layer;
Wherein, the conductive layer includes multiple conducting blocks, and the conducting block is in array distribution;
The touch-control display panel includes first area and the second area around first area, positioned at the first area
The area of the conducting block is less than the area of the conducting block positioned at the second area;
The capacitance change of the series capacitance constituted according to the first electrode, conductive layer and the second electrode carries out pressure inspection
It surveys;
Wherein, the first area is the intermediate region of the touch-control display panel, and the second area is that the touch-control is shown
The fringe region of panel.
2. touch-control display panel according to claim 1, which is characterized in that the touch-control display panel includes being oppositely arranged
Array substrate and backlight module;
There is first gas layer between the array substrate and the backlight module;
The first electrode is located at the array substrate, and the second electrode is located at the backlight module.
3. touch-control display panel according to claim 2, which is characterized in that the conducting block is square.
4. touch-control display panel according to claim 3, which is characterized in that from the first area to the second area
Direction on, the area of the conducting block of the first area is gradually increased.
5. touch-control display panel according to claim 3, which is characterized in that from the first area to the second area
Direction on, the area of the conducting block of the second area is gradually increased.
6. touch-control display panel according to claim 3, feature is from the first area to the side of the second area
Upwards, the area of the conducting block of the conducting block of the first area and the second area is gradually increased.
7. according to any touch-control display panel of claim 2-6, which is characterized in that the backlight module includes backlight iron
Frame and positioned at the backlight iron frame towards the optical stack of the array substrate side;
The optical stack include be directed toward by the backlight module reflector plate set gradually on the array substrate direction,
Light guide plate, diffusion sheet and at least one layer of brightening piece;
The backlight iron frame is the second electrode;
The conductive layer is set to the reflector plate towards backlight iron frame side.
8. touch-control display panel according to claim 7, which is characterized in that the touch-control display panel is equipped with insulation deformation
Layer, the insulation deformation layer are arranged between the reflector plate and the backlight iron frame.
9. touch-control display panel according to claim 8, which is characterized in that the insulation deformation layer be second gas layer or
Flexible material layer.
10. touch-control display panel according to claim 9, which is characterized in that the height of the insulation deformation layer is greater than institute
State the height of first gas layer.
11. touch-control display panel according to claim 7, which is characterized in that
Public voltage signal is provided in the display stage for the first electrode;
Pressure scanning signal is provided for the first electrode in the pressure-driven stage, provides predetermined DC electricity for the second electrode
Pressure.
12. touch-control display panel according to claim 1, which is characterized in that the conductive layer is indium tin oxide layer or gold
Belong to film layer or metal mesh compartment.
13. a kind of driving method of touch-control display panel, which is characterized in that be applied to the described in any item touchings of claim 1-12
Display panel is controlled, the touch-control display panel further includes driving circuit, wherein
In the pressure touch stage:
Pressure scanning signal is provided by the driving circuit for the first electrode;Predetermined DC is provided for the second electrode
Voltage;
The capacitance change of the series capacitance constituted according to the first electrode, conductive layer and the second electrode carries out pressure inspection
It surveys.
14. the driving method of touch-control display panel according to claim 13, which is characterized in that in the display stage:
Public voltage signal is provided by the driving circuit for the first electrode.
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CN107102771B (en) * | 2017-04-24 | 2020-07-07 | 厦门天马微电子有限公司 | Touch display panel, display device and method for manufacturing touch display panel |
CN110928010B (en) * | 2019-11-29 | 2022-10-11 | 厦门天马微电子有限公司 | Display module and display device |
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