CN206270925U - Array substrate, touch display panel and touch display device - Google Patents

Abstract

This application discloses a kind of array base palte, touch-control display panel and touch control display apparatus.Described array base palte, including：First touch control electrode array, the first touch control electrode array includes m the first touch control electrode of the strip for extending in a first direction；First integrated circuit, including m touch-control drive signal end, each touching signals end are used to provide the drive signal for driving each first touch control electrode；A plurality of first touching signals line, each first touching signals line is connected between one of touching signals end and one of them first touch control electrode, for the drive signal provided to the first touch control electrode transmission touching signals end.According to the scheme of the embodiment of the present application, the touching signals end of integrated circuit directly electrically connects with each bar the first touching signals line, so as to provide drive signal to each first touch control electrode, avoid and drive circuit is additionally set to each first touch control electrode offer drive signal in frame region, be conducive to the realization of touch-control display panel and touch control display apparatus narrow frame.

Description

Array substrate, touch display panel and touch display device

technical field

The present disclosure generally relates to the field of display technology, and in particular, relates to an array substrate, a touch display panel and a touch display device.

Background technique

The touch display device can detect the coordinate position of the finger in the display screen plane of the touch display device through the touch electrodes, and perform corresponding display according to the coordinate position.

In the current touch display device, the touch function is usually realized by two touch electrode layers, wherein each touch electrode layer has multiple touch electrodes arranged in parallel with each other, and the touch electrodes in the two touch electrode layers The extension directions intersect. Apply a touch scanning signal to each touch electrode on one of the touch electrode layers. When a human finger touches the screen of the touch display device, the finger forms a coupling capacitance with some touch electrodes on the screen, and from A leakage current flows from the coupling capacitor. The touch detection circuit determines the touch position by detecting the leakage current and determining the two intersecting touch electrodes on the two layers of touch electrodes that form a coupling capacitance with the finger.

With the development of display technology, how to further narrow the frame area of the display device has become one of the goals pursued by the display field. On the other hand, as the display device develops toward a high PPI (Pixel per Inch, pixels per inch), the sizes of various driving circuits and the number of various signal lines also increase accordingly. In addition, as a touch display device, in order to realize the detection of the touch position, it needs more driving circuits and signal lines than ordinary display devices.

Therefore, how to achieve a narrower frame area while the display device is developing toward higher and higher PPI has become an urgent problem to be solved.

Utility model content

In view of the above defects or deficiencies in the prior art, it is desired to provide an array substrate, a touch display panel and a touch display device in order to solve the technical problems existing in the prior art.

In a first aspect, an embodiment of the present application provides an array substrate, including: a first touch electrode array, the first touch electrode array includes m strip-shaped first touch electrodes extending along a first direction; An integrated circuit, including m touch drive signal terminals, each touch drive signal terminal is used to provide drive signals to each first touch electrode in one-to-one correspondence; a plurality of first touch signal lines, each first touch signal The wire is connected between one of the touch driving signal terminals and one of the first touch electrodes, and is used for transmitting the driving signal provided by the touch driving signal terminal to the first touch electrodes. The drive signal provided by the touch drive signal terminal includes a touch drive signal and a display drive signal; in the display phase of the frame period, each touch drive signal terminal provides a display drive signal to each first touch electrode; touch detection in the frame period In the stage, each touch driving signal terminal provides a touch driving signal to each first touch electrode.

In some embodiments, the array substrate further includes: a plurality of scan lines, each scan line is formed on the first metal layer of the array substrate, and extends along the second direction; a plurality of data lines, each data line is formed on the first metal layer of the array substrate Two metal layers extending along the first direction; and a display pixel array formed by insulating and intersecting scan lines and data lines, the display pixel array includes a plurality of display pixels; the first touch signal line is insulated from the scan lines and the data lines.

In some embodiments, the array substrate further includes a third metal layer; the first touch signal lines are formed on the third metal layer.

In some embodiments, the touch detection phase of the frame period includes k touch detection sub-periods; in the ith touch detection sub-period, the touch drive signal terminal electrically connected to the jth first touch electrode The first touch electrode provides a touch driving signal, and the touch driving signal terminal electrically connected to other first touch electrodes provides a display driving signal to the first touch electrode electrically connected thereto, wherein i, j, k are A natural number whose 1≤i, j≤k, m≤k.

In some embodiments, the touch detection phase of the frame period includes two touch detection sub-periods; in one of the touch detection sub-periods, the touch drive signal terminals electrically connected to the odd-numbered first touch electrodes are sequentially electrically connected to them. The connected first touch electrode applies a touch driving signal, and the touch driving signal terminal electrically connected to the even-numbered first touch electrode applies a display driving signal to the first touch electrode electrically connected to it; In the detection sub-period, the touch driving signal terminal electrically connected to the even-numbered first touch electrodes sequentially applies a touch driving signal to the first touch electrodes electrically connected thereto, and is electrically connected to the odd-numbered first touch electrodes The touch driving signal end applies a display driving signal to the first touch electrode electrically connected thereto.

In some embodiments, the touch detection phase of the frame cycle includes touch detection sub-period; during the p-th touch detection sub-period, the touch drive signal terminal electrically connected to the p-th first touch electrode and the m-p+1-th first touch electrode is sequentially connected to the p-th The first touch electrode and the m-p+1 first touch electrode provide touch drive signals, and the touch drive signal terminals electrically connected to other first touch electrodes provide display drive signals to other first touch electrodes ; Among them, p is a natural number, and satisfies

In some embodiments, the first touch electrode array includes q first touch electrode groups, each first touch electrode group includes at least two adjacent first touch electrodes, and the adjacent two first The touch electrode group includes at least one shared first touch electrode; the touch detection phase of the frame period includes at least q touch detection sub-periods; The touch driving signal terminals electrically connected to the first touch electrodes provide touch driving signals to the first touch electrodes in the first touch electrode group simultaneously.

In some embodiments, the first integrated circuit has a first axis of symmetry extending along the direction of the data lines; the first integrated circuit further includes a scan drive signal end for providing scan drive signals to each scan line and a scan drive signal end for each data line A data signal terminal that provides a data signal; wherein, the distance between any touch drive signal terminal and the first symmetry axis is greater than the distance between the scan drive signal terminal and the first symmetry axis and the distance between the data signal terminal and the first symmetry axis distance between.

In some embodiments, the first integrated circuit has a first axis of symmetry extending along the direction of the data lines; the first integrated circuit further includes a scan drive signal end for providing scan drive signals to each scan line and a scan drive signal end for each data line A data signal terminal that provides a data signal; wherein, the distance between any touch drive signal terminal and the first symmetry axis is smaller than the distance between the scan drive signal terminal and the first symmetry axis and the distance between the data signal terminal and the first symmetry axis distance between.

In some embodiments, the display driving signal is a common voltage signal.

In a second aspect, the embodiment of the present application further provides a touch display panel, including the above array substrate, and a color filter substrate disposed opposite to the array substrate.

In some embodiments, the touch display panel further includes a second touch electrode array; the second touch electrode array includes n strip-shaped second touch electrodes extending along the second direction, and the second touch electrode array is set on the color filter substrate.

In some embodiments, the first integrated circuit further includes n touch sensing signal receiving terminals; each second touch electrode is electrically connected to one of the touch sensing signal receiving terminals.

In some embodiments, the first integrated circuit further includes a plurality of integral amplifier circuits, each integral amplifier circuit includes a first input terminal, a second input terminal and an output terminal; each first input terminal is electrically connected to one of the touch sensing signal receiving terminals Each second input end is connected to the reference signal end, and the first integrated circuit determines the touch position based on the output signals of the output ends of each integral amplifier circuit.

In some embodiments, the touch display panel further includes a first flexible circuit board; the first flexible circuit board includes a plurality of input ports and a plurality of output ports; each second touch electrode and one of the input ports of the first flexible circuit board The ports are electrically connected, and the output port of the first flexible circuit board is electrically connected to one of the touch sensing signal receiving ends.

In some embodiments, the touch display panel further includes a second integrated circuit; the second integrated circuit includes a plurality of integral amplifier circuits, each integral amplifier circuit includes a first input terminal, a second input terminal and an output terminal; each first input The terminals are electrically connected to one of the second touch electrodes, and the second input terminals are connected to the reference signal terminals. The second integrated circuit determines the touch position based on the output signals of the output terminals of the integrating amplifier circuits.

In a third aspect, the embodiment of the present application further provides a touch display device, including the above touch display panel.

According to the solution of the embodiment of the present application, the touch driving signal terminal of the integrated circuit is directly electrically connected to each first touch signal line, thereby providing a driving signal to each first touch electrode, avoiding additionally setting a driving circuit in the frame area The drive signal is provided to each first touch electrode, which is beneficial to the realization of a narrow frame of the touch display panel and the touch display device.

Description of drawings

Other characteristics, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 shows a schematic structural diagram of an embodiment of an array substrate of the present application;

Figure 2 shows a schematic structural view of another embodiment of the array substrate of the present application;

FIG. 3A to FIG. 3D respectively show the four phases of the driving signals applied to the first touch electrodes in one frame period when the first touch electrodes are multiplexed as common electrodes in the array substrates of various embodiments of the present application. A schematic timing diagram of an optional implementation;

FIG. 4 shows a schematic structural diagram of another embodiment of the array substrate of the present application;

FIG. 5 shows a schematic structural diagram of an embodiment of the touch display panel of the present application;

FIG. 6 shows a schematic structural diagram of an integrating amplifier circuit included in the first integrated circuit of FIG. 5;

FIG. 7 shows a schematic structural diagram of another embodiment of the touch display panel of the present application;

FIG. 8 shows a schematic structural diagram of an embodiment of the touch display device of the present application.

detailed description

The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain the utility model, rather than limit the utility model. It should also be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIG. 1 , it is a schematic structure diagram of an embodiment of an array substrate of the present application.

The array substrate of this embodiment includes a first touch electrode array, a first integrated circuit 110 and a plurality of first touch signal lines 120 .

Wherein, the first touch electrode array includes m strip-shaped first touch electrodes 130 extending along the first direction D1.

The first integrated circuit 110 includes m touch driving signal terminals 111 , and each touch driving signal terminal 111 is used to provide a driving signal to each first touch electrode 130 in a one-to-one correspondence.

Each first touch signal line 120 is connected between one of the touch driving signal terminals 111 and one of the first touch electrodes 130 , and is used to transmit the driving signal provided by the touch driving signal terminal 111 to the first touch electrode 130 .

In the array substrate of this embodiment, because each touch driving signal terminal 111 of the first integrated circuit 110 is directly electrically connected to each first touch signal line 120, thereby providing a driving signal to each first touch electrode 130, avoiding An additional drive circuit is provided in the frame area to provide drive signals to the first touch electrodes 130 , which is beneficial to the realization of a narrow frame of the touch display panel and the touch display device using the array substrate of this embodiment.

It should be noted that, in FIG. 1 , the extension direction D1 of the first touch electrodes 130 is only schematic, intended to illustrate that the first touch electrodes 130 are strip-shaped electrodes, and is not used to limit the direction of the first touch electrodes 130. extend in a certain direction.

Although it is shown in FIG. 1 that one first touch electrode 130 is electrically connected to one first touch signal line 120 , this is only schematic. Those skilled in the art can set the number of first touch signal lines connected to the same first touch electrode (for example, one, two or even more) according to requirements of actual application scenarios.

In addition, the connection manner between the first touch electrodes 130 and the first touch signal lines 120 is also schematic. Those skilled in the art can set the connection mode between the first touch electrode and the first touch signal line according to the requirements of the actual application scene, for example, the first touch signal line can be electrically connected to one end of the first touch electrode, or, The first touch signal line can also run through both ends of the first touch electrode.

Referring to FIG. 2 , it is a schematic structure diagram of an array substrate according to another embodiment of the present application.

Similar to the embodiment shown in FIG. 1 , the array substrate of this embodiment also includes a first touch electrode array, a first integrated circuit 210 and a plurality of first touch signal lines 220 .

Wherein, the first touch electrode array includes m strip-shaped first touch electrodes 230 extending along the first direction D1. The first integrated circuit 210 also includes m touch driving signal terminals 211 , and each touch driving signal terminal 211 is used to provide a driving signal for driving each first touch electrode.

Each first touch signal line 220 is connected between one of the touch driving signal terminals 211 and one of the first touch electrodes 230 , and is used to transmit the driving signal provided by the touch driving signal terminal 211 to the first touch electrode 230 .

Different from the embodiment shown in FIG. 1 , the array substrate of this embodiment may further include a plurality of scan lines 240 , a plurality of data lines 250 , and a display pixel array formed by insulated intersections of the scan lines 240 and data lines 250 .

Wherein, each scan line 240 is formed on the first metal layer of the array substrate and extends along the second direction D2. Each data line 250 is formed on the second metal layer of the array substrate and extends along the first direction D1. The display pixel array includes a plurality of display pixels 260 . In addition, each first touch signal line 220 is insulated from each scan line 240 and each data line 250 .

In the array substrate of this embodiment, because each touch driving signal terminal 211 of the first integrated circuit 210 is directly electrically connected to each first touch signal line 220, thereby providing a driving signal to each first touch electrode 230, avoiding An additional drive circuit is provided in the frame area to provide a drive signal to each of the first touch electrodes 230 , which facilitates the realization of a narrow frame of the touch display panel and the touch display device using the array substrate of this embodiment.

In some optional implementation manners of this embodiment, the first integrated circuit 210 may have a first axis of symmetry 270 extending along the direction of the data lines. The first integrated circuit 210 may further include a scan driving signal terminal (not shown in the figure) for providing a scan driving signal to each scan line 240 and a data signal terminal 212 for providing a data signal to each data line 250 . Wherein, the distance between any touch driving signal terminal 211 and the first axis of symmetry is greater than the distance between the scanning driving signal terminal and the first axis of symmetry 270 and the distance between the data signal terminal 212 and the first axis of symmetry 270 . That is to say, in the embodiment shown in FIG. 2 , each touch drive signal terminal 211 is located in a region away from the first axis of symmetry 270 , while the scan drive signal terminal and data signal terminal 212 are located in an area close to the first axis of symmetry 270 . area.

In addition, in some optional implementation manners of this embodiment, the array substrate may further include a third metal layer, and each first touch signal line 220 is formed on the third metal layer.

By arranging the first touch signal line 220, the scan line 240, and the data line 250 in different layers, the mutual coupling and interference between the first touch signal line 220, the scan line 240, and the data line 250 can be reduced, so that through the first When the touch signal line 220 transmits signals, the transmission speed is faster and the signal attenuation is smaller.

In addition, in some optional implementation manners, when the array substrates of the embodiments of the present application are applied to liquid crystal touch display panels, the first touch electrodes 130 and 230 can also be reused as common electrodes.

In these optional implementation manners, the driving signals provided by the touch driving signal terminals 111 and 211 may include touch driving signals and display driving signals.

Specifically, in the display phase of the frame period, each touch driving signal terminal 111, 211 can provide a display driving signal to each first touch electrode 130, 230, so that the liquid crystal molecules can 130, 230 and the pixel electrode are deflected under the action of an electric field, thereby realizing the display of a predetermined picture.

In the touch detection phase of the frame period, each touch driving signal terminal 111 , 211 provides a touch driving signal to each first touch electrode 130 , 230 .

Further, in some optional implementation manners, a touch detection phase within one frame period (1FRAME) may include k touch detection sub-periods.

During the i-th touch detection sub-period, the touch drive signal terminal electrically connected to the j-th first touch electrode provides a touch drive signal to the j-th first touch electrode, and is electrically connected to other first touch electrodes The touch driving signal end of the touch control electrode provides a display driving signal to the first touch electrode electrically connected thereto, wherein i, j, k are natural numbers, and 1≤i, j≤k, m≤k.

Here, it should be noted that there is no definite magnitude relationship between i and j, that is to say, in any sub-period of touch detection within a frame period, as long as the A touch driving signal is applied to one of the first touch electrodes, and the integrated circuit applies the touch driving signal to each first touch electrode at least once within a frame period, so as to realize the detection of each touch position.

Assuming that i=j and k=m, that is, one frame period includes m touch detection sub-periods, and a touch driving signal is applied to the i-th first touch electrode in the i-th touch detection sub-period, then the one In the frame period, the time sequence of the driving signals received by the first touch electrodes is shown in FIG. 3A .

Specifically, in the first touch detection sub-period T1 within a frame period, the integrated circuit can apply a touch driving signal to the first first touch electrode TX1 through the first touch driving signal terminal, and through other The touch driving signal end of the first touch electrode provides a display driving signal to the other first touch electrodes.

During the second touch detection sub-period T2 within a frame period, the integrated circuit can apply a touch drive signal to the second first touch electrode TX2 through the second touch drive signal terminal, and through other touch drive The signal terminal provides display driving signals to other first touch electrodes.

During the mth touch detection sub-period Tm within a frame period, the integrated circuit can apply a touch driving signal to the mth first touch electrode TXm through the mth touch driving signal terminal, and through other touch driving signals The signal terminal provides display driving signals to other first touch electrodes.

In addition, in each display sub-period D1-Dm within a frame period, the integrated circuit provides a display driving signal to each first touch electrode through each touch driving signal terminal.

In other optional implementation manners, as shown in FIG. 3B , the touch detection phase of the frame period includes two touch detection sub-periods T1 and T2.

During one of the touch detection sub-periods, for example, in the first touch detection sub-period T1, the touch driving signal terminals electrically connected to the odd-numbered first touch electrodes (TX1, TX3...) The touch driving signal is applied to the first touch electrode, and the touch driving signal terminal electrically connected to the even-numbered first touch electrode (TX2, TX4 . . . ) applies the display drive to the first touch electrode electrically connected to it. Signal.

In another touch detection sub-period, for example, in the second touch detection sub-period, the touch drive signal terminals electrically connected to the even-numbered first touch electrodes (TX2, TX4...) are sequentially transmitted to the first touch electrodes electrically connected to them. A touch driving signal is applied to one touch electrode, and a touch driving signal end electrically connected to the odd-numbered first touch electrodes (TX1, TX3 . . . ) applies a display driving signal to the first touch electrode electrically connected to it.

In this way, in a touch detection sub-period, the touch driving signal is sequentially applied to the first touch electrodes that are not adjacent to each other, so that when the touch driving signal is sequentially applied to the adjacent first touch electrodes, due to Mutual interference between two adjacent first touch electrodes (for example, interference caused by parasitic capacitance) causes problems such as decreased touch detection sensitivity.

In other optional implementations, as shown in FIG. 3C , the touch detection phase of the frame cycle may include touch detection sub-period. During the p-th touch detection sub-period, the touch driving signal terminal electrically connected to the p-th first touch electrode and the m-p+1-th first touch electrode is sequentially connected to the p-th first touch electrode, The m-p+1 first touch electrode provides a touch drive signal, and the touch drive signal terminal electrically connected to other first touch electrodes provides a display drive signal to other first touch electrodes; wherein, p is a natural number , and satisfy

For example, in FIG. 3C, it is assumed that m is an even number. In the first touch detection sub-period T1, a touch driving signal is applied to the first first touch electrode and the mth first touch electrode, and a display driving signal is applied to the other first touch electrodes. Similarly, in the second touch detection sub-period T2, a touch driving signal is applied to the second first touch electrode and the m-1th first touch electrode, and a display signal is applied to the other first touch electrodes. drive signal. During the m/2th touch detection sub-period, a touch driving signal is applied to the m/2th first touch electrode and the m/2+1th first touch electrode, and the other first touch electrodes Apply a display drive signal.

In some optional implementation manners, in the array substrate of each embodiment of the present application, the first touch electrode array may include q first touch electrode groups, and each first touch electrode group includes at least two adjacent The first touch electrodes, and two adjacent first touch electrode groups include at least one common first touch electrode.

As shown in FIG. 3D, it shows that one first touch electrode group includes three adjacent first touch electrodes, and two adjacent first touch electrode groups have two shared first touch electrodes. , Schematic diagram of driving timing within one frame period.

In these optional implementations, the touch detection phase of the frame period may include at least q touch detection sub-periods; The electrically connected touch driving signal terminal simultaneously provides touch driving signals to each first touch electrode in the first touch electrode group.

For example, in the first touch detection sub-period T1, a touch driving signal is applied to the first first touch electrode TX1, the second first touch electrode TX2 and the third first touch electrode TX3, and to the The other first touch driving electrodes apply display driving signals. Similarly, in the second touch detection sub-period T2, a touch driving signal is applied to the second first touch electrode TX2, the third first touch electrode TX3 and the fourth first touch electrode TX4, and A display driving signal is applied to the other first touch driving electrodes. In the qth touch detection sub-period Tq, the m-2th first touch electrode TXm _-2 , the m-1th first touch electrode TXm _-1 , and the mth first touch electrode TX _m applies a touch driving signal, and applies a display driving signal to the other first touch driving electrodes.

It should be noted that the driving timings shown in FIGS. 3A to 3D are only schematic, and are not used to limit the driving timings that must be adopted by the array substrates in the embodiments of the present application. At the same time, those skilled in the art can understand that precisely because the array substrates in each embodiment of the present application use each touch drive signal terminal of an integrated circuit to directly output a corresponding touch drive signal to each first touch electrode, each touch The control driving signal terminals can independently transmit touch driving signals to their corresponding first touch electrodes. As long as the specific timing of the driving signals provided by each touch driving signal terminal is adjusted, the array substrates of the various embodiments of the present application can The driving sequence that can be used can be flexibly changed according to the requirements of specific application scenarios. It can start scanning from any first touch electrode, or transmit touch driving signals to all first touch electrodes at the same time, or divide them into specific groups. The touch driving signal is transmitted at any time, and is not limited to the above-mentioned methods, so as to meet the requirements of various application scenarios.

Referring to FIG. 4 , it is a schematic structure diagram of an array substrate according to an embodiment of the present application.

Similar to the embodiment shown in FIG. 2 , the array substrate of this embodiment also includes a first touch electrode array, a first integrated circuit 410 and a plurality of first touch signal lines 420 .

Wherein, the first touch electrode array includes m strip-shaped first touch electrodes 430 extending along the first direction D1. The first integrated circuit 410 also includes m touch driving signal terminals 411 , and each touch driving signal terminal 411 is used to provide a driving signal for driving each first touch electrode. Each first touch signal line 420 is connected between one of the touch driving signal terminals 411 and one of the first touch electrodes 430 , and is used to transmit the driving signal provided by the touch driving signal terminal 411 to the first touch electrodes 430 .

In addition, the array substrate of this embodiment also includes a plurality of scan lines 440 , a plurality of data lines 450 , and a display pixel array formed by the insulated intersection of the scan lines 440 and the data lines 450 . Wherein, each scan line 440 is formed on the first metal layer of the array substrate and extends along the second direction D2. Each data line 450 is formed on the second metal layer of the array substrate and extends along the first direction D1. The display pixel array includes a plurality of display pixels 460 . In addition, each first touch signal line 420 is insulated from each scan line 440 and each data line 450 . The first integrated circuit 410 has a first axis of symmetry 470 extending along the direction of the data lines. Moreover, the first integrated circuit 410 further includes a scan driving signal terminal (not shown in the figure) for providing a scan driving signal to each scan line 440 and a data signal terminal 412 for providing a data signal to each data line 450 .

Different from the embodiment shown in FIG. 2 , in this embodiment, the distance between any one touch drive signal terminal 411 and the first symmetry axis 470 is smaller than the distance between the scan drive signal terminal and the first symmetry axis 470 And the distance between the data signal end 412 and the first axis of symmetry 470 .

That is to say, in this embodiment, each touch driving signal terminal 411 is located near the first axis of symmetry 470 , while the scan driving signal terminal and data signal terminal 412 are located away from the first axis of symmetry 470 .

In this way, as the PPI of the current display panel is getting higher and higher, correspondingly, the number of scanning lines and data lines on the array substrate is also increasing, and the number of scanning lines and data lines is far more than that used to provide The quantity of the first touch signal lines of the touch driving signal. In this way, by arranging the scan driving signal end providing the scan signal and the data signal end 412 providing the data signal in a region away from the first axis of symmetry 470 of the integrated circuit 410, each data signal end 412 can be connected to each data line The sum of the distances between 450 is correspondingly reduced, and similarly, the distance between the scanning drive signal terminal and the driving circuit (for example, a shift register circuit) that provides the scanning signal can also be correspondingly reduced, so that the scanning drive signal terminal The total length of the wiring between the driving circuit and the driving circuit that provides the scanning signal, and the total length of the wiring between the data signal terminal and each data line are shortened, which further facilitates the narrow border of the touch display panel using the array substrate of this embodiment. realization.

In addition, in the array substrates of the various embodiments of the present application, the display driving signal may be a common voltage signal. Here, the common voltage signal can be a fixed level.

Referring to FIG. 5 , it is a schematic structural diagram of an embodiment of the touch display panel of the present application.

The touch display panel shown in FIG. 5 may include an array substrate 51 as described in any one of the above embodiments, and a color filter substrate 52 disposed opposite to the array substrate 51 .

A second touch electrode array is disposed on the color filter substrate 52 . The second touch electrode array includes n strip-shaped second touch electrodes 521 extending along the second direction D2.

In this way, each first touch electrode 511 arranged on the array substrate 51 can form a mutual capacitance capable of detecting the touch position with each second touch electrode 521 arranged on the color filter substrate 52, through the first integration Each touch driving signal terminal (not shown in the figure) of the circuit 612 applies a touch driving signal to each first touch electrode 511 through each first touch signal line 513 , and electrically connects each second touch electrode 521 The connected second touch signal line 522 receives the touch sensing signal collected by each second touch electrode 521 , so as to realize the detection of the touch position.

In addition, in some optional implementation manners of this embodiment, the first integrated circuit 512 may further include n touch sensing signal receiving terminals. Each second touch electrode 522 is electrically connected to one of the touch sensing signal receiving ends, so that the first integrated circuit 512 can receive the touch sensing signal collected by each second touch sensing electrode 521 through each touch sensing signal receiving end.

In addition, in some optional implementation manners of this embodiment, the first integrated circuit 512 may further include a plurality of integrating amplifier circuits.

Referring to FIG. 6 , it is a schematic circuit diagram of an embodiment of an integrating amplifier circuit.

Each integral amplifier circuit includes a first input terminal IN1, a second input terminal IN2 and an output terminal OUT.

Each first input terminal IN1 is electrically connected to one of the touch sensing signal receiving terminals, each second input terminal IN2 is connected to a reference signal terminal, and the first integrated circuit 512 determines the touch position based on the output signal of each integrating amplifier circuit output terminal OUT.

In addition, since the second touch electrodes 521 and the second touch signal lines 522 are located on the color filter substrate 52, and the first integrated circuit 512 is located on the array substrate 51, in order to realize the second touch signal lines 522 and the first integrated circuit 512 is electrically connected to the receiving end of the touch sensing signal. In some optional implementation manners, the touch display panel of this embodiment may further include a first flexible circuit board 523 .

The first flexible circuit board includes a plurality of input ports (not shown in the figure) and a plurality of output ports (not shown in the figure). Each second touch electrode 521 is electrically connected to one input port of the first flexible circuit board 523 , and the output port of the first flexible circuit board 523 is electrically connected to one of the touch sensing signal receiving terminals. For example, each second touch electrode 521 is electrically connected to each input port of the first flexible circuit board 523 through each second touch signal line 522, and each output port of the first flexible circuit board 523 is respectively connected to the first integrated circuit. Each touch sensing signal receiving end of 512 is electrically connected.

Referring to FIG. 7 , it is a schematic structural diagram of another embodiment of the touch display panel of the present application.

Similar to the embodiment shown in FIG. 5 , the touch display panel of this embodiment also includes an array substrate 71 as described in any one of the above embodiments, and a color filter substrate 72 disposed opposite to the array substrate 71 . A second touch electrode array is disposed on the color filter substrate 72 . The second touch electrode array includes n strip-shaped second touch electrodes 721 and second touch signal lines 722 extending along the second direction D2. The array substrate 71 includes first touch electrodes 711 , first touch signal lines 713 , and a first integrated circuit 712 . The touch display panel also includes a first flexible circuit board 723 .

Different from the embodiment shown in FIG. 5 , the touch display panel of this embodiment may further include a second integrated circuit 724 . The second integrated circuit 724 may also include multiple integral amplifier circuits (not shown in the figure), and each integral amplifier circuit may have the structure shown in FIG. 6 . The second integrated circuit 724 can determine the touch position based on the output signals of the output terminals of each integrating amplifier circuit.

As shown in FIG. 8 , it shows a schematic diagram of a touch display device provided by an embodiment of the present application. Wherein, the touch display device 800 may include the above touch display panel. Those skilled in the art should understand that, besides the above-mentioned display panel, the touch display device may also include some other known structures. These well-known structures will not be further described in order not to obscure the focus of the present application.

The touch display device of the present application can be any device that includes the touch display panel as described above, including but not limited to cellular phones, tablet computers, computer displays, displays applied to smart wearable devices, and displays applied to automobiles. Such as the display device on the vehicle and so on. As long as the display device includes the mechanism of the display panel disclosed in the present application, it is deemed to fall within the protection scope of the present application.

Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solution formed by the specific combination of the above-mentioned technical features, and should also cover the above-mentioned utility models without departing from the concept of the utility model. Other technical solutions formed by any combination of technical features or equivalent features. For example, a technical solution formed by replacing the above-mentioned features with technical features with similar functions disclosed in (but not limited to) this application.

Claims (17)

1. An array substrate, characterized in that, comprising: A first touch electrode array, the first touch electrode array includes m strip-shaped first touch electrodes extending along a first direction; The first integrated circuit includes m touch driving signal terminals, and each of the touch driving signal terminals is used to provide a driving signal to each of the first touch electrodes in a one-to-one correspondence; A plurality of first touch signal lines, each of the first touch signal lines is connected between one of the touch driving signal terminals and one of the first touch electrodes, and is used to connect to the first touch electrodes. transmitting the driving signal provided by the touch driving signal terminal; The driving signal provided by the touch driving signal terminal includes a touch driving signal and a display driving signal; In the display phase of the frame period, each of the touch driving signal terminals provides the display driving signal to each of the first touch electrodes; In the touch detection phase of the frame period, each of the touch driving signal terminals provides the touch driving signal to each of the first touch electrodes. 2. The array substrate according to claim 1, further comprising: a plurality of scanning lines, each of which is formed on the first metal layer of the array substrate and extends along the second direction; a plurality of data lines, each of which is formed on the second metal layer of the array substrate and extends along the first direction; and A display pixel array formed by insulated intersections of the scan lines and the data lines, the display pixel array includes a plurality of display pixels; The first touch signal line is insulated from the scan line and the data line. 3. The array substrate according to claim 2, characterized in that: The array substrate further includes a third metal layer; The first touch signal line is formed on the third metal layer. 4. The array substrate according to claim 1, characterized in that: The touch detection phase of the frame period includes k touch detection sub-periods; During the i-th touch detection sub-period, the touch drive signal terminal electrically connected to the j-th first touch electrode provides the touch drive signal to the j-th first touch electrode, and communicates with other first touch electrodes The electrically connected touch driving signal terminal provides the display driving signal to the first touch electrode electrically connected thereto, wherein i, j, k are natural numbers, where 1≤i, j≤k, m≤k. 5. The array substrate according to claim 1, characterized in that: The touch detection phase of the frame period includes two touch detection sub-periods; During one of the touch detection sub-periods, the touch driving signal terminals electrically connected to the odd-numbered first touch electrodes sequentially apply touch driving signals to the first touch electrodes electrically connected thereto, The touch driving signal end electrically connected to the control electrode applies the display driving signal to the first touch electrode electrically connected thereto; In another touch detection sub-period, the touch driving signal terminal electrically connected to the even-numbered first touch electrode sequentially applies a touch driving signal to the first touch electrode electrically connected thereto, and the touch driving signal terminal electrically connected to the odd-numbered first touch electrode The touch driving signal terminal electrically connected to the control electrode applies a display driving signal to the first touch electrode electrically connected thereto. 6. The array substrate according to claim 1, characterized in that: The touch detection phase of the frame cycle includes a touch detection sub-period; During the p-th touch detection sub-period, the touch driving signal terminal electrically connected to the p-th first touch electrode and the m-p+1-th first touch electrode is sequentially connected to the p-th first touch electrode, The m-p+1th first touch electrode provides the touch drive signal, and the touch drive signal terminal electrically connected to other first touch electrodes provides the display drive signal to other first touch electrodes; Among them, p is a natural number, and satisfies 7. The array substrate according to claim 1, characterized in that: The first touch electrode array includes q first touch electrode groups, each of the first touch electrode groups includes at least two adjacent first touch electrodes, and two adjacent first touch electrodes The electrode group includes at least one shared first touch electrode; The touch detection phase of the frame period includes at least q touch detection sub-periods; During one of the touch detection sub-periods, the touch drive signal terminal electrically connected to each first touch electrode in one of the first touch electrode groups is sent to each first touch electrode in the first touch electrode group simultaneously. providing the touch driving signal. 8. The array substrate according to claim 2, wherein the first integrated circuit has a first axis of symmetry extending along the direction of the data lines; The first integrated circuit further includes a scan drive signal terminal for providing a scan drive signal to each of the scan lines and a data signal terminal for providing a data signal to each of the data lines; Wherein, the distance between any touch driving signal terminal and the first axis of symmetry is greater than the distance between the scanning driving signal terminal and the first axis of symmetry and the distance between the data signal terminal and the first axis of symmetry distance between axes. 9. The array substrate according to claim 2, wherein the first integrated circuit has a first axis of symmetry extending along the direction of the data lines; The first integrated circuit further includes a scan drive signal terminal for providing a scan drive signal to each of the scan lines and a data signal terminal for providing a data signal to each of the data lines; Wherein, the distance between any touch driving signal terminal and the first axis of symmetry is smaller than the distance between the scanning driving signal terminal and the first axis of symmetry and the distance between the data signal terminal and the first axis of symmetry distance between axes. 10. The array substrate according to any one of claims 4-7, characterized in that: The display driving signal is a common voltage signal. 11. A touch display panel, characterized by comprising the array substrate according to any one of claims 1-10, and a color filter substrate disposed opposite to the array substrate. 12. The touch display panel according to claim 11, further comprising a second touch electrode array; The second touch electrode array includes n strip-shaped second touch electrodes extending along the second direction, and the second touch electrode array is arranged on the color filter substrate. 13. The touch display panel according to claim 12, characterized in that: The first integrated circuit also includes n touch sensing signal receiving terminals; Each of the second touch electrodes is electrically connected to one of the touch sensing signal receiving ends. 14. The touch display panel according to claim 13, characterized in that: The first integrated circuit also includes a plurality of integral amplifier circuits, each of which includes a first input terminal, a second input terminal and an output terminal; Each of the first input terminals is electrically connected to one of the touch sensing signal receiving terminals, and each of the second input terminals is connected to a reference signal terminal. Location. 15. The touch display panel according to claim 13, further comprising a first flexible circuit board; The first flexible circuit board includes a plurality of input ports and a plurality of output ports; Each second touch electrode is electrically connected to one of the input ports of the first flexible circuit board, and the output port of the first flexible circuit board is electrically connected to one of the touch sensing signal receiving terminals. 16. The touch display panel according to claim 12, further comprising a second integrated circuit; The second integrated circuit includes a plurality of integral amplifier circuits, each of which includes a first input terminal, a second input terminal and an output terminal; Each of the first input terminals is electrically connected to one of the second touch electrodes, each of the second input terminals is connected to a reference signal terminal, and the second integrated circuit determines the touch Location. 17. A touch display device, comprising the touch display panel according to any one of claims 11-16.