CN106775162B - Touch-control display panel and its driving method, touch control display apparatus - Google Patents
Touch-control display panel and its driving method, touch control display apparatus Download PDFInfo
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- CN106775162B CN106775162B CN201611237100.1A CN201611237100A CN106775162B CN 106775162 B CN106775162 B CN 106775162B CN 201611237100 A CN201611237100 A CN 201611237100A CN 106775162 B CN106775162 B CN 106775162B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
This application discloses a kind of touch-control display panel and its driving methods, touch control display apparatus.Touch-control display panel includes: the first touch control electrode layer, including multiple the first touch control electrodes extended in a first direction；Second touch control electrode layer, the second touch control electrode including M row N column；Each first touch control electrode is at least partly be overlapped to the orthographic projection of second touch control electrode layer and each second touch control electrode of wherein a line second touch control electrode of second touch control electrode layer；First integrated circuit, for applying touch drive signal to each second touch control electrode during touch-control scanning；Multiple switch unit, each switch unit include control terminal, for each second touch control electrode of same row in second touch control electrode layer to be electrically connected to each other or disconnected under the control of the input signal of control terminal.According to the scheme of the embodiment of the present application, touch-control display panel switches between mutual capacitance type touch detection framework and self-tolerant touch detection framework, to promote touch detection accuracy and sensitivity in the presence of a harsh environment.
Description
Technical field
The present disclosure relates generally to field of display technology more particularly to a kind of touch-control display panels and its driving method, touch-control
Display device.
Background technique
Touch control display apparatus can detect finger in the display screen plane of touch control display apparatus by touch control electrode
Coordinate position, and shown accordingly according to the coordinate position.
In current touch control display apparatus, touch function is usually realized by touch-driven electrode and touch-control sensing electrode.
Wherein, touch-driven electrode is parallel to each other, and touch-control sensing electrode is parallel to each other, and touch-driven electrode and touch-control sensing electrode
Direction intersection.Apply touch scanning signals to touch-driven electrode, when the screen of the finger of people contact touch control display apparatus, hand
Refer to and form coupled capacitor with certain touch control electrodes on screen, and is flowed out from a pole plate (touch-control sensing electrode) for coupled capacitor
Leakage current.Touch-control detection circuit determines the touch-control for forming coupled capacitor in two layers of touch control electrode with finger by detection leakage current
Electrode drive electrode and touch-control sensing electrode, so that it is determined that touch location.
However, touch-control sensing electrode senses when above-mentioned touch control display apparatus encounters adverse circumstances (for example, getting wet)
Semaphore will strongly reduce, seriously affected the accuracy and sensitivity of touch detection.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, be intended to provide a kind of touch-control display panel and its driving method,
Touch control display apparatus, to solve the technical problems existing in the prior art.
In a first aspect, the embodiment of the present application provides a kind of touch-control display panel, comprising: the first touch control electrode layer, including
Multiple the first touch control electrodes extended in a first direction；Second touch control electrode layer, the second touch control electrode including M row N column,
In, the line direction of second touch control electrode is parallel to first direction；Orthographic projection of each first touch control electrode to second touch control electrode layer
It is at least partly be overlapped with each second touch control electrode of wherein a line second touch control electrode of second touch control electrode layer；First is integrated
Circuit, for applying touch drive signal to each second touch control electrode during touch-control scanning；A plurality of first touching signals line, respectively
First touching signals line is electrically connected with one of them first touch control electrode, from each first touching of different first touch control electrodes electrical connection
Control signal wire mutually insulated；A plurality of second touching signals line, each second touching signals line is for connecting the first integrated circuit and its
In a second touch control electrode, from different second touch control electrodes electrical connection each second touching signals line mutually insulated；It is multiple to open
Unit is closed, each switch unit includes control terminal, and switch unit is used for the second touch-control under the control of the input signal of control terminal
Each second touch control electrode of same row is electrically connected to each other or disconnects in electrode layer.
Second aspect, present invention also provides the driving methods of touch-control display panel, for driving touch-control as above to show
Panel, driving method include: the touch detection mode for judging touch-control display panel, and touch detection mode includes from appearance detection pattern
With mutual tolerance detection pattern；When touch-control display panel is in from detection pattern is held, then during touch-control scanning, to each switch unit
Control terminal, which is sent, disconnects control signal, and applies touch-control driving letter respectively to each second touch control electrode by the second touching signals line
Number.
According to the scheme of the embodiment of the present application, by the way that switch unit is arranged between the second touch control electrode of same row, and
The second touch control electrode of same row is connected or disconnected under the control of the input signal of control terminal, can make touch-control display panel
Switch between mutual capacitance type touch detection framework and self-tolerant touch detection framework, to promote touch-control display panel in severe ring
Touch detection accuracy and sensitivity under border.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows the schematic diagram of one embodiment of the touch-control display panel of the application；
Fig. 2 shows in the touch-control display panel of Fig. 1, wherein a column second touch control electrode and corresponding switch unit show
Meaning property structure chart；
Fig. 3 shows the schematic diagram of another embodiment of the touch-control display panel of the application；
Fig. 4 show the application touch-control display panel work from hold framework under when, each driving signal it is schematic when
Sequence figure；
When the touch-control display panel that Fig. 5 shows the application is worked under mutual tolerance framework, one of each driving signal is optional
The exemplary timing diagram of implementation；
When the touch-control display panel that Fig. 6 shows the application is worked under mutual tolerance framework, another of each driving signal can
Select the exemplary timing diagram of implementation；
Fig. 7 is shown when touch-control display panel is liquid crystal display panel, a reality of the touch-control display panel of the application
Apply the schematic architectural diagram of example；
Fig. 8 is shown when the touch-control display panel of the application is liquid crystal display panel, the touch-control display panel of the application
Another embodiment schematic architectural diagram；
Fig. 9 shows the schematic diagram of one embodiment of the touch control display apparatus of the application；
Figure 10 shows the schematic flow chart of one embodiment of the driving method of the touch-control display panel of the application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is shown in Figure 1, it is the schematic diagram of one embodiment of the touch-control display panel of the application.
The touch-control display panel of the present embodiment includes following structure:
First touch control electrode layer, including multiple the first touch control electrodes 110 extended along first direction D1.
Second touch control electrode layer, the second touch control electrode 120 including M row N column, wherein the row side of second touch control electrode 120
To being parallel to first direction D1.
Each first touch control electrode 110 is to the orthographic projection of second touch control electrode layer and wherein a line the of second touch control electrode layer
Each second touch control electrode 120 of two touch control electrodes is at least partly overlapped.So, every first touch control electrode 110 can be with
With at least a line second touch control electrode 120 forms the inductance capacitance for detecting touch location in second touch control electrode layer.
In addition, the touch-control display panel of the present embodiment further includes the first integrated circuit 130, a plurality of first touching signals line
(not shown) and a plurality of second touching signals line 140.
First integrated circuit 130 is used to apply touch drive signal to each second touch control electrode 120 during touch-control scanning.
Each first touching signals line is electrically connected with one of them first touch control electrode 110, and from different first touch control electrodes
Each first touching signals line mutually insulated of 110 electrical connections.
Each second touching signals line 140 is for connecting the first integrated circuit 130 and one of second touch control electrode 120.
From each second touching signals line, 140 mutually insulated of different second touch control electrodes 120 electrical connection.
The touch-control display panel of the present embodiment further includes multiple switch unit 150.It is shown in Figure 2, it is driven for the second touch-control
The wherein connection relationship diagram between a column second touch control electrode and switch unit of moving electrode layer.
The connection between second touch control electrode 120 and switch unit 150 is further described below in conjunction with Fig. 1 and Fig. 2
Relationship.
As shown in Fig. 2, each switch unit 150 includes control terminal 151.Switch unit 150 is used for the input in control terminal 151
Each second touch control electrode 120 of same row in second touch control electrode layer is electrically connected to each other or is disconnected under the control of signal.In this way
One, it, should when each switch unit 150 of the second touch control electrode 120 of a certain column of connection disconnects under the control of control terminal 151
Column each second touch control electrode 120 between mutually insulated, when carrying out touch detection, can by with each second touch control electrode
Second touching signals line 140 of 120 electrical connections applies touch drive signal to it.On the other hand, when connecting the of a certain column
When each switch unit 150 of two touch control electrodes 120 is connected under the control of control terminal 151, each second touch control electrode of the column
It is electrically connected to each other between 120, when carrying out touch detection, can be touched by second be electrically connected with each second touch control electrode 120
Control signal wire 140 to its apply touch drive signal, or can also by with the one of second touch control electrode 120 of the column
Second touching signals 140 of electrical connection apply touch drive signal to the second touch control electrode 120, and pass through switch unit
150 are sent to the touch drive signal other second touch control electrodes 120 of the column.
When each 120 mutually insulated of second touch control electrode of same row, the touch-control display panel of the present embodiment can work
From under the touch detection framework held.In other words, each second touch control electrode 120 can receive first between touch-control sweep time
The touch drive signal that integrated circuit 130 is sent simultaneously acquires touch sensible signal simultaneously, to realize the detection of touch location.
When each second touch control electrode 120 of same row is electrically connected to each other by switch unit 150, the touch-control of the present embodiment
Display panel can work under the touch detection framework of mutual tolerance.In other words, each second touch control electrode column can be each
Touch-control successively receives the touch drive signal of the first integrated circuit 130 transmission during scanning, and is adopted by each first touch control electrode 110
Collect touch sensible signal, to realize the detection of touch location.
It can be seen from the above that the touch-control display panel of the present embodiment, under the control of each switch unit 150,
Each second touch control electrode 120 of same row can be connected or disconnected with, to realize that touch-control display panel is detected from appearance
Mutual switching under framework and mutual tolerance detection framework, so that the touch-control display panel of the present embodiment had both possessed from appearance testing stand
The advantages that structure touch detection speed is fast possesses the advantages that mutual tolerance detection framework accuracy is high again.
In some optional implementations of the present embodiment, each switch unit 150, can be in addition to including control terminal
Including first end and second end.As shown in Fig. 2, the first end and second end of each switch unit 150 respectively with same row second
In touch control electrode 120, the adjacent second touch control electrode 120 of any two is electrically connected.So, pass through the same switch unit
150 connect the adjacent pairs in a column second touch control electrode 120, it is possible to reduce the second touch control electrode 120 that is electrically connected two-by-two
Between track lengths, and then reduce the chip area of touch-control display panel shared by these cablings, reduce to display effect not
Good influence.
It is shown in Figure 3, it is the schematic diagram of the touch-control display panel of another embodiment of the application.
Similar with embodiment shown in FIG. 1, the touch-control display panel of the present embodiment equally includes the first touch control electrode layer,
Two touch control electrode layers, the first integrated circuit 330, a plurality of first touching signals line, a plurality of second touching signals line 340 and multiple
Switch unit 350, and the first touch control electrode layer, second touch control electrode layer, the first integrated circuit 330, a plurality of first touching signals
Line, a plurality of second touching signals line 340 and multiple switch unit 350 have similar structure with embodiment shown in FIG. 1.
Unlike embodiment shown in FIG. 1, in the present embodiment, switch unit is thin film transistor (TFT).Switch unit 350
Control terminal be thin film transistor (TFT) grid, the first end and second end of switch unit 350 is respectively the source electrode of thin film transistor (TFT)
With drain electrode one of.
Using thin film transistor (TFT) as switch unit, fast response time, so that the touch-control display panel of the present embodiment
Sensitivity of touch detection it is higher, from hold switch between mutual tolerance framework when, response speed is also faster.
It should be noted that in the touch-control display panel of the present embodiment, the thin film transistor (TFT) as switch unit can be
PMOS transistor or NMOS transistor.
In addition, in some optional implementations, each switch unit of the touch-control display panel of each embodiment of the application
150,350 control terminal 151,351 can be electrically connected with the first integrated circuit 130,330.
In these optional implementations, the first integrated circuit 130,330 can be used for the touching based on touch-control display panel
Detection pattern is touched to export gate control signal to the control terminal 151,351 of each switch unit 150,350 or disconnect control signal.?
Here, touch detection mode for example can include but is not limited to from appearance detection pattern and mutual tolerance detection pattern.
In addition, as shown in figures 1 and 3, being touched with each column second in the application scenes of these optional implementations
Control electrode 120, the unlike signal end that the control terminal of 320 corresponding switch units can respectively with the first integrated circuit 130,330
Electrical connection, so, first integrated circuit 130,330 can be opened to connecting each column second touch control electrode 120,320 respectively
The control terminal 151,351 for closing unit 150,350 sends control signal, thus control respectively these switch units 150,350 it is logical,
It is disconnected.In these application scenarios, as in the thin film transistor (TFT) of switch unit, for connecting same row second touch control electrode 320
Thin film transistor (TFT) can be all NMOS transistor or be all PMOS transistor.
Alternatively, in other application scenarios of these optional implementations, with each column second touch control electrode 120,320
The control terminal of corresponding switch unit can be electrically connected with the same signal end of the first integrated circuit, so, each to control
End can be controlled by the output signal of the same signal end of the first integrated circuit, so as to reduce by the first integrated circuit
Port number and mitigate the first integrated circuit computational burden.In these application scenarios, it is used as and opens in touch-control display panel
The whole thin film transistor (TFT)s for closing unit can be all NMOS transistor or be all PMOS transistor.
The touch-control display surface of each embodiment of the application is described respectively below in conjunction with the exemplary timing diagram of Fig. 4~Fig. 6
Plate is respectively at from the working principle for holding detection pattern and mutual tolerance detection pattern.
Referring first to shown in Fig. 4, it illustrates the work of the touch-control display panel of the application when from holding under framework, each to drive
The exemplary timing diagram of signal.
When touch-control display panel is in from detection pattern is held, the first integrated circuit can be exported to the control terminal of each switch unit
It disconnects control signal and (schematically shows disconnection control signal S1~S in Fig. 4NFor low level signal).
D1~D during one frame period (1FRAME) includes the display being spaced apartKAnd touch-control scanning son during T1~
TK, T1~T during each touch-control scanning in a frame period (1FRAME)K, the first integrated circuit pass through the second touching signals
Line applies touch drive signal to each second touch control electrode respectively, and each second touch control electrode acquires touch sensible signal.Herein,
K is positive integer, and meets K >=1.
Optionally, in addition, T1~T during each touch-control scanning in frame periodK, each first touch control electrode can also adopt
Collect touch sensible signal.So, the first touch control electrode and the collected touch sensible letter of second touch control electrode can be integrated
Number, to determine touch location so that the semaphore of touch sensible signal is bigger, signal-to-noise ratio of correspondingly touch sensible signal more
Greatly, touch detection precision is higher.
For the distribution during touch-control scanning, optionally, a frame period (1FRAME) also may include only including one
During a touch-control scanning, during touch-control scanning, the first integrated circuit is by the second touching signals line simultaneously to each
Second touch control electrode applies touch drive signal respectively, and each second touch control electrode acquires touch sensible signal.It can be with time of concentration
It realizes touch-control, reduces influence of the touch-control to display.
It is shown in Figure 5, when being that the touch-control display panel of the application is worked under mutual tolerance framework, one of each driving signal
The exemplary timing diagram of optional implementation.
When touch-control display panel is in mutual tolerance detection pattern, within a frame period, including P touch-control during touch-control scanning
During scanning.During i-th of touch-control scanning in frame period, the first integrated circuit by the second touching signals line to
The jth column second touch control electrode of second touch control electrode layer applies touch drive signal；Wherein, P, i, j are natural number, and are met: 1
≤i,j≤N≤P。
Fig. 5 schematically shows N=P and applies during i-th of touch-control scanning to the second touch control electrode of the i-th column
When touch drive signal, the exemplary timing diagram of each driving signal in a frame period.
Specifically, within a frame period, control of first integrated circuit by the same signal end to each switch unit
End processed exports gate control signal S1~SN。
T1, first row second touch control electrode TX2 during first touch-control scanning1It is strobed, at this point, the first integrated electricity
Road can apply touch drive signal to the column second touch control electrode is one of, since the control terminal of switch unit at this time receives
Gate control signal, column second touch control electrode TX21Each switching means conductive so that any one of the column second
Touch control electrode can receive touch drive signal.Similarly, during any i-th of touch-control scanning, the touching of the i-th column second
Control electrode TX2iIt is strobed, at this point, the first integrated circuit can apply touch-control driving to the column second touch control electrode is one of
Signal, since the control terminal of switch unit at this time receives gate control signal, column second touch control electrode TX2iEach switch it is single
Member conducting, so that any one second touch control electrode of the column can receive touch drive signal.
In some optional implementations, during any i-th of touch-control scanning, the first integrated circuit can be to the
Centrally located second touch control electrode applies touch drive signal (for example, to the of the i-th column in i column second touch control electrode
In two touch control electrodes, in theCapable second touch control electrode applies touch drive signal；Alternatively, to the second of the i-th column
In touch control electrode, in theCapable second touch control electrode applies touch drive signal), and by with second touch-control of column
Touch drive signal is transmitted to the column others second touch control electrode by the switch unit of electrode electrical connection.So, may be used
So that the amplitude for the touch drive signal that the column second touch control electrode receives is more uniform and signal delay is smaller.
Alternatively, during any i-th of touch-control scanning, first is integrated electric in other optional implementations
Road can be located at the first row into the i-th column second touch control electrode and two second touch control electrodes of M row apply touch-control driving letter
Number, and touch drive signal is transmitted to the column others by the switch unit by being electrically connected with the column second touch control electrode
Two touch control electrodes.So, the amplitude for the touch drive signal that the column second touch control electrode can be made to receive is more equal
One and signal delay it is smaller.
It is shown in Figure 6, be the application touch-control display panel work under mutual tolerance framework when, each driving signal it is another
The exemplary timing diagram of a optional implementation.
When touch-control display panel is in mutual tolerance detection pattern, within a frame period, including P touch-control during touch-control scanning
During scanning.During i-th of touch-control scanning in frame period, the first integrated circuit by the second touching signals line to
The jth column second touch control electrode of second touch control electrode layer applies touch drive signal；Wherein, P, i, j are natural number, and are met: 1
≤i,j≤N≤P。
Fig. 6 schematically shows N=P and applies during i-th of touch-control scanning to the second touch control electrode of the i-th column
When touch drive signal, the exemplary timing diagram of each driving signal in a frame period.
Different from Fig. 5 to be, in Fig. 6, within a frame period, the first integrated circuit is by N number of signal end respectively to each
The control terminal of the switch unit of column second touch control electrode exports gate control signal S1~SN, for example, by i-th signal end to
The control terminal of the switch unit of i-th column second touch control electrode exports gate control signal Si, 1≤i≤N.
T1, first row second touch control electrode TX2 during first touch-control scanning1It is strobed, at this point, the first integrated electricity
Road can be to one of application touch drive signal of the column second touch control electrode, while the control of the switch unit to the column
End applies gate control signal, column second touch control electrode TX21Each switching means conductive so that the column is any one
A second touch control electrode can receive touch drive signal.
Similarly, during any i-th of touch-control scanning, the i-th column second touch control electrode TX2iIt is strobed, at this point, the
One integrated circuit can apply touch drive signal to the column second touch control electrode is one of, while to the switch unit of the column
Control terminal apply gate control signal, column second touch control electrode TX2iEach switching means conductive so that the column
Any one second touch control electrode can receive touch drive signal.
In addition, in Fig. 5 and timing diagram shown in fig. 6, T1~T during each touch-control scanningN, each first touch control electrode can
To acquire touch sensible signal, based on the touch sensible signal of each first touch control electrode acquisition, touch location can be determined.
It is shown in Figure 7, for when touch-control display panel is liquid crystal display panel, the one of the touch-control display panel of the application
The schematic architectural diagram of a embodiment.
Touch-control display panel includes array substrate 720 and the color membrane substrates being oppositely arranged with array substrate 720 710.
Wherein, the first touch control electrode layer is arranged on color membrane substrates 710, and second touch control electrode layer is arranged in array substrate
On 720.
In some optional implementations, the first touch control electrode layer may be provided at color membrane substrates 710 far from array substrate
720 side (as shown in fig. 7, upper surface that color membrane substrates 710 are arranged in the first touch control electrode layer), and second touch control electrode layer
It can be set in array substrate 720 towards the side of color membrane substrates 710.
In addition, being additionally provided with multi-strip scanning line (not shown) in array substrate 720 and multiple data lines (are not shown in figure
Out).
Wherein, each data line can extend along first direction D1, and each scan line D2 can extend in a second direction.First direction
D1 can be the extending direction of the first touch control electrode.
In addition, in embodiment shown in Fig. 7, the first integrated circuit 722 be also used to receive the first touch control electrode 711 and/or
The touch sensible signal that second touch control electrode 721 acquires.
In other words, when touch-control display panel shown in Fig. 7 is worked in from appearance detection pattern, the first integrated circuit 722
It can apply to each switch unit (not shown) and disconnect control signal, be touched by the second touching signals line 723 to each second
Control electrode 721 applies touch drive signal and receives the touching that each second touch control electrode 721 acquires by the second touching signals line 723
Touch inductive signal.Based on touch sensible signal, the first integrated circuit 722 can determine touch location.In addition, working as shown in Fig. 7
Touch-control display panel work in from when holding detection pattern, the first integrated circuit 722 can also receive each first touch-control electricity simultaneously
The touch sensible signal that pole 711 acquires.Specifically, the first touch control electrode 711 can by each first touching signals line 712 with
And its collected touch sensible signal is transmitted to the first integrated circuit 722 by flexible circuit board 713.So, first
The touching that integrated circuit 722 can integrate the touch sensible signal of the first touch control electrode 711 acquisition and second touch control electrode 721 acquires
Inductive signal is touched, so that it is determined that touch location out.
On the other hand, when touch-control display panel shown in Fig. 7 works in mutual tolerance detection pattern, the first integrated circuit 722
Gate control signal can be applied to each switch unit (not shown), by the second touching signals line 723 to each column second
Wherein any one second touch control electrode 721 of touch control electrode applies touch drive signal to which touch drive signal to be applied to
Whole second touch control electrodes of the column.Meanwhile first touch control electrode 711 by the first touching signals line 712 receive it is each first touching
The touch sensible signal that electrode 711 acquires is controlled, and touch sensible signal is transmitted to the first integrated electricity by flexible circuit board 713
So that it is determined that touch location out in road 722.
It is shown in Figure 8, for when touch-control display panel is liquid crystal display panel, the touch-control display panel of the application it is another
The schematic architectural diagram of one embodiment.
It is similar with embodiment shown in Fig. 7, the touch-control display panel of the present embodiment equally include array substrate 820 and with battle array
The color membrane substrates 810 that column substrate 820 is oppositely arranged.Wherein, the first touch control electrode layer is arranged on color membrane substrates 810, the second touching
Electrode layer is controlled to be arranged in array substrate 820.In some optional implementations, the first touch control electrode layer may be provided at color film
Side of the substrate 810 far from array substrate 820 is (as shown in figure 8, the upper table of color membrane substrates 810 is arranged in the first touch control electrode layer
Face), and second touch control electrode layer can be set in array substrate 820 towards the side of color membrane substrates 810.
In addition, being additionally provided with multi-strip scanning line (not shown) in array substrate 820 and multiple data lines (are not shown in figure
Out).Wherein, each data line can extend along first direction D1, and each scan line D2 can extend in a second direction.First direction D1 can
Think the extending direction of the first touch control electrode.
In the present embodiment, the first integrated circuit 822 can also be used to receive the touch sensible letter that second touch control electrode 821 acquires
Number.
Unlike embodiment shown in Fig. 7, the touch-control display panel of the present embodiment further includes the second integrated circuit
814, the second integrated circuit 814 can be used for receiving the touch sensible signal of the first touch control electrode 811 acquisition.
In other words, when touch-control display panel shown in Fig. 8 is worked in from appearance detection pattern, the first integrated circuit 822
It can apply to each switch unit (not shown) and disconnect control signal, be touched by the second touching signals line 823 to each second
Control electrode 821 applies touch drive signal and receives the touching that each second touch control electrode 821 acquires by the second touching signals line 823
Touch inductive signal.Based on touch sensible signal, the first integrated circuit 822 can determine touch location.In addition, working as shown in Fig. 8
Touch-control display panel work in from when holding detection pattern, the second integrated circuit 822 can also receive each first touch-control electricity simultaneously
The touch sensible signal that pole 811 acquires.Specifically, the first touch control electrode 811 can by each first touching signals line 812 with
And its collected touch sensible signal is transmitted to the second integrated circuit 814 by flexible circuit board 813.So, pass through
The touch sensible signal that the touch sensible signal and second touch control electrode 821 of comprehensive first touch control electrode 811 acquisition acquire, can be with
Determine touch location.
On the other hand, when touch-control display panel shown in Fig. 8 works in mutual tolerance detection pattern, the first integrated circuit 822
Gate control signal can be applied to each switch unit (not shown), by the second touching signals line 823 to each column second
Wherein any one second touch control electrode 821 of touch control electrode applies touch drive signal to which touch drive signal to be applied to
Whole second touch control electrodes of the column.Meanwhile first touch control electrode 811 by the first touching signals line 812 receive it is each first touching
The touch sensible signal that electrode 811 acquires is controlled, and touch sensible signal is transmitted to the second integrated electricity by flexible circuit board 813
In road 814, so that it is determined that touch location out.
Disclosed herein as well is a kind of touch control display apparatus, as shown in Figure 9.Wherein, touch control display apparatus 900 may include
Touch-control display panel as described above.It will be appreciated by those skilled in the art that touch control display apparatus is in addition to including as described above
It can also include some other well known structures except touch-control display panel.It, will no longer in order not to obscure the emphasis of the application
Structure well known to these is described further.
The touch control display apparatus of the application can be any device comprising touch-control display panel as described above, including but
Be not limited to cellular mobile phone as shown in Figure 9, tablet computer, computer display, be applied to intelligent wearable device on
Display, applied to display device on the vehicles such as automobile etc..As long as touch control display apparatus contains the application public affairs
The structure for the touch-control display panel opened just has been contemplated as falling within the protection scope of the application.
It is shown in Figure 10, it is the schematic flow of one embodiment of the driving method of the touch-control display panel of the application
Figure.The driving method of the present embodiment can be used for driving the touch-control display panel of any one embodiment description as above.
The driving method of the present embodiment includes:
Step 1010, judge that the touch detection mode of touch-control display panel, touch detection mode include from appearance detection pattern
With mutual tolerance detection pattern.
In some optional implementations, such as it can be integrated from external control module to the first of touch-control display panel
Circuit sends control instruction, to control the touch detection mode of touch-control display panel.
When touch-control display panel is in from appearance detection pattern, then in step 1020, during touch-control scanning, Xiang Gekai
The control terminal for closing unit, which is sent, disconnects control signal, and applies touching respectively to each second touch control electrode by the second touching signals line
Control driving signal.
When touch-control display panel is in from when holding detection pattern, the driving method of the present embodiment be can further include:
During touch-control scanning, the touch sensible signal of second touch control electrode acquisition is received.
So, the touch sensible signal that the first integrated circuit can be acquired based on second touch control electrode is determined to touch
Position.
In addition, the driving method of the present embodiment can also be further when touch-control display panel is in from when holding detection pattern
Include:
During touch-control scanning, the touch sensible signal of the first touch control electrode acquisition is received.
So, the touch sensible that the first integrated circuit can be acquired based on the first touch control electrode and second touch control electrode
Signal determines touch location.Since the semaphore of collected touch sensible signal is bigger, touch sense can be correspondingly improved
The signal-to-noise ratio of induction signal, so that the accuracy of touch detection is higher.
It may include P during touch-control scanning within a frame period when touch-control display panel is in mutual tolerance detection pattern
During a touch-control scanning.
At this point, the driving method of the present embodiment can further include:
Step 1030: during i-th of touch-control scanning in a frame period, being touched by the second touching signals line to second
The jth column second touch control electrode for controlling electrode layer applies touch drive signal.
Herein, P, i, j are natural number, and are met: 1≤i, j≤N≤P.
In some optional implementations, step 1020 be may further include:
The one of second touch control electrode arranged to the jth of second touch control electrode layer applies touch drive signal, to connection
The switch unit that jth arranges each second touch control electrode applies gate control signal, and receives the touch sense of the first touch control electrode acquisition
Induction signal.
The touch-control display panel and driving method of the application can touch inspection in mutual capacitance type touch detection framework and self-tolerant
It surveys between framework and switches, so as to promote the touch detection accuracy and sensitivity of touch-control display panel in the presence of a harsh environment.
It will be appreciated by those skilled in the art that invention scope involved in the application, however it is not limited to above-mentioned technical characteristic
Specific combination made of technical solution, while should also cover in the case where not departing from the inventive concept, by above-mentioned technology
Feature or its equivalent feature carry out any combination and other technical solutions for being formed.Such as features described above and disclosed herein
(but being not limited to) have the technical characteristic of similar functions replaced mutually and the technical solution that is formed.
Claims (16)
1. a kind of touch-control display panel characterized by comprising
First touch control electrode layer, including multiple the first touch control electrodes extended in a first direction；
Second touch control electrode layer, the second touch control electrode including M row N column, wherein the line direction of second touch control electrode is parallel to institute
State first direction；
Orthographic projection and the second touch control electrode layer of each first touch control electrode to the second touch control electrode layer are wherein
Each second touch control electrode of a line second touch control electrode is at least partly overlapped；
First integrated circuit, for applying touch drive signal to each second touch control electrode during touch-control scanning；
A plurality of first touching signals line, each first touching signals line are not electrically connected with one of them first touch control electrode, and not
With each first touching signals line mutually insulated of the first touch control electrode electrical connection；
A plurality of second touching signals line, each second touching signals line is for connecting first integrated circuit and one of them
Second touch control electrode, from each second touching signals line mutually insulated of different second touch control electrodes electrical connection；
Multiple switch unit, each switch unit includes control terminal, and the switch unit is used for the input in the control terminal
Each second touch control electrode of same row in second touch control electrode layer is electrically connected to each other or is disconnected under the control of signal；
The control terminal of each switch unit is electrically connected with first integrated circuit；
First integrated circuit is used for the touch detection mode based on the touch-control display panel to each switch unit
Control terminal exports gate control signal or disconnects control signal；
Wherein, the touch detection mode includes from appearance detection pattern and mutual tolerance detection pattern.
2. touch-control display panel according to claim 1, it is characterised in that:
Each switch unit further includes first end and second end；
For the first end and second end of each switch unit respectively and in the second touch control electrode of same row, any two are adjacent
Second touch control electrode electrical connection.
3. touch-control display panel according to claim 2, it is characterised in that:
The switch unit is thin film transistor (TFT)；
The control terminal of the switch unit is the grid of the thin film transistor (TFT), the first end and second end point of the switch unit
Not Wei the thin film transistor (TFT) one of source electrode and drain electrode.
4. touch-control display panel according to claim 1, it is characterised in that:
When the touch-control display panel is in from appearance detection pattern, control of first integrated circuit to each switch unit
End output disconnects control signal；
During each touch-control scanning in frame period, first integrated circuit is by the second touching signals line to each
The second touch control electrode applies touch drive signal respectively, and each second touch control electrode acquires touch sensible signal.
5. touch-control display panel according to claim 1, it is characterised in that:
When the touch-control display panel is in mutual tolerance detection pattern, within a frame period, including P during the touch-control scanning
During touch-control scanning；
During i-th of touch-control scanning in a frame period, first integrated circuit passes through the second touching signals line
Apply touch drive signal to the jth column second touch control electrode of the second touch control electrode layer；
Wherein, P, i, j are natural number, and are met:
1≤i,j≤N≤P。
6. touch-control display panel according to claim 5, it is characterised in that:
When the touch-control display panel is in mutual tolerance detection pattern, during i-th touch-control scanning in, described first is integrated
One of second touch control electrode that circuit is arranged to the jth of the second touch control electrode layer applies touch drive signal, and to even
Connect the switch unit application gate control signal that jth arranges each second touch control electrode.
7. according to touch-control display panel described in claim 4-6 any one, it is characterised in that:
During each touch-control scanning, each first touch control electrode acquires touch sensible signal.
8. touch-control display panel according to claim 1, which is characterized in that further include:
The touch-control display panel includes array substrate and the color membrane substrates that are oppositely arranged with the array substrate；
Wherein, first touch control electrode layer is arranged on the color membrane substrates, and the second touch control electrode layer is arranged described
In array substrate；
Multi-strip scanning line and multiple data lines are additionally provided in the array substrate；
Wherein, each scan line extends along the first direction, and each data line extends in a second direction, the second party
To the column direction for the second touch control electrode.
9. touch-control display panel according to claim 8, which is characterized in that first integrated circuit is also used to receive institute
State the touch sensible signal of the first touch control electrode and/or second touch control electrode acquisition.
10. touch-control display panel according to claim 8, which is characterized in that further include the second integrated circuit；
Second integrated circuit is used to receive the touch sensible signal of the first touch control electrode acquisition.
11. a kind of driving method of touch-control display panel, for driving touch-control described in claim 1-10 any one to show
Panel, which is characterized in that the driving method includes:
Judge that the touch detection mode of the touch-control display panel, the touch detection mode include from appearance detection pattern and mutual tolerance
Detection pattern；
When the touch-control display panel is in the control from detection pattern is held, then during touch-control scanning, to each switch unit
End processed, which is sent, disconnects control signal, and applies touch-control respectively to each second touch control electrode by the second touching signals line
Driving signal.
12. driving method according to claim 11, which is characterized in that if the touch-control display panel is in from appearance detection
Mode, the driving method further include:
During touch-control scanning, the touch sensible signal of the second touch control electrode acquisition is received.
13. driving method according to claim 11 or 12, which is characterized in that if the touch-control display panel is in from appearance
Detection pattern, the driving method further include:
During touch-control scanning, the touch sensible signal of the first touch control electrode acquisition is received.
14. driving method according to claim 11, which is characterized in that when the touch-control display panel is in mutual tolerance detection
Mode, during including within a frame period, during the touch-control scanning P touch-control scanning；
The driving method further include:
It is electric to second touch-control by the second touching signals line during i-th of touch-control scanning in a frame period
The jth column second touch control electrode of pole layer applies touch drive signal；
Wherein, P, i, j are natural number, and are met:
1≤i,j≤N≤P。
15. driving method according to claim 14, which is characterized in that i-th of touch-control a frame period is swept
During retouching son, the jth column second touch control electrode of Xiang Suoshu second touch control electrode layer applies touch drive signal and includes:
The one of second touch control electrode arranged to the jth of the second touch control electrode layer applies touch drive signal, to connection
The switch unit that jth arranges each second touch control electrode applies gate control signal, and receives the touching of the first touch control electrode acquisition
Touch inductive signal.
16. a kind of touch control display apparatus, which is characterized in that including the touch-control display surface as described in claim 1-10 any one
Plate.
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| CN201611237100.1A CN106775162B (en) | 2016-12-28 | 2016-12-28 | Touch-control display panel and its driving method, touch control display apparatus |
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| CN106814910B (en) * | 2017-01-16 | 2019-09-24 | 厦门天马微电子有限公司 | Touch-control display panel and its driving method, touch control display apparatus |
| CN107515696B (en) * | 2017-08-31 | 2020-11-13 | 北京集创北方科技股份有限公司 | Touch detection method and touch module |
| WO2019178847A1 (en) * | 2018-03-23 | 2019-09-26 | 深圳市柔宇科技有限公司 | Touch display driving method and touch display screen |
| CN113010042B (en) * | 2021-02-26 | 2023-11-28 | 武汉华星光电半导体显示技术有限公司 | Touch display panel |
| CN113867565B (en) * | 2021-09-17 | 2023-09-12 | 昆山国显光电有限公司 | Touch control film layer, touch control detection method and device |
| CN113778265B (en) * | 2021-09-28 | 2024-03-12 | 京东方科技集团股份有限公司 | Touch panel, display device and control method |
| CN114385037B (en) * | 2021-12-31 | 2024-03-12 | 厦门天马微电子有限公司 | Touch display panel and touch display device |
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| CN105955522A (en) * | 2016-04-20 | 2016-09-21 | 厦门天马微电子有限公司 | Touch control display and drive method thereof |
| CN106201140A (en) * | 2016-04-27 | 2016-12-07 | 友达光电股份有限公司 | touch device and sensing method thereof |
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| US9939932B2 (en) * | 2014-03-21 | 2018-04-10 | Advanced Sensor Technology Limited | Position sensing device and method using self-capacitance |
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| CN105094479A (en) * | 2015-06-30 | 2015-11-25 | 京东方科技集团股份有限公司 | Touch display panel, preparation method, driving method and display device |
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