TWM609451U - Electronic device with touch sensing function - Google Patents

Abstract

An electronic device with touch sensing function is provided. The electronic device includes multiple first touch electrodes, multiple second touch electrodes, and multiple pixel circuits. The multiple first touch electrodes are in parallel with a Y-axis. Each first touch electrode includes multiple first electrode blocks and multiple bridge patterns, in which the multiple first electrode blocks are coupled in series with the multiple bridge patterns. The multiple second touch electrodes are in parallel with an X-axis. Each second touch electrode includes multiple second electrode blocks and multiple connection patterns, in which the multiple second electrode blocks are coupled in series with the multiple connection patterns, and the X-axis is substantially perpendicular to the Y-axis. The multiple pixel circuits correspond to the multiple first touch electrodes and the multiple second touch electrodes in a projection direction, and are configured to receive one or more voltages from the multiple first touch electrodes and the multiple second touch electrodes.

Description

Electronic device with touch function

This disclosure relates to an electronic device with touch function, especially an in-cell touch electronic device.

The in-cell touch technology can fabricate the touch module inside the display, so that the overall device has the advantages of lightness and high brightness. The operating principle of the common in-cell touch display on the market is to perform self-capacitive touch sensing through multiple rectangular touch electrodes arranged in a matrix, and each touch electrode needs a separate trace to Transmit its sensing results to the touch chip. However, as the demand for touch resolution gradually increases, the number of channels of common touch chips is not enough to support this design method, and the touch electrodes are also prone to short-circuit due to a large number of dense wiring. In addition, devices using self-capacitive touch sensing technology are not suitable for operation with a stylus.

The present disclosure provides an electronic device with touch function, which includes a plurality of first touch electrodes, a plurality of second touch electrodes, and a plurality of pixel circuits. The plurality of first touch electrodes are parallel to the Y axis. Each first touch electrode includes a plurality of first electrode blocks and a plurality of bridge patterns, and the plurality of first electrode blocks are connected in series with the plurality of bridge patterns. The plurality of second touch electrodes are parallel to the X axis. Each second touch electrode includes a plurality of second electrode blocks and a plurality of connection patterns, the plurality of second electrode blocks are connected in series with the plurality of connection patterns, and the X axis is substantially orthogonal to the Y axis. The plurality of pixel circuit projections correspond to the plurality of first touch electrodes and the plurality of second touch electrodes, and are used to receive one or more voltages from the plurality of first touch electrodes and the plurality of second touch electrodes.

One of the advantages of the above embodiment is that it can accurately determine the movement track of the stylus.

Another advantage of the above embodiment is that the number of traces required for the touch electrodes to receive and output signals is greatly reduced.

The embodiments of the present disclosure will be described below in conjunction with related drawings. In the drawings, the same reference numerals indicate the same or similar elements or method flows.

FIG. 1 is a simplified functional block diagram of the electronic device 100 according to an embodiment of the present disclosure. The electronic device 100 has a mutual capacitive touch function, and includes a plurality of first touch electrodes 110_1 to 110_5, a plurality of second touch electrodes 120_1 to 120_4, a control circuit 130, and a substrate SB. The first touch electrodes 110_1 to 110_5 are parallel to the Y axis, and are sequentially arranged in the X axis direction. The second touch electrodes 120_1 to 120_4 are parallel to the X axis and are sequentially arranged in the Y axis direction, where the X axis is substantially orthogonal to the Y axis. The first touch electrodes 110_1~110_5 and the second touch electrodes 120_1~120_4 are arranged alternately with each other, that is, each of the first touch electrodes 110_1~110_5 cross the second touch electrodes 120_1~120_4, and the second touch electrodes 120_1~120_4 Each of the control electrodes 120_1~120_4 also crosses the first touch electrodes 110_1~110_5.

The control circuit 130 is used for respectively transmitting a plurality of scanning signals Tx1~Tx5 to the first touch electrodes 110_1~110_5, and is used for respectively receiving a plurality of sensing signals Rx1~Rx4 from the second touch electrodes 120_1~120_4. When a touch input (for example, a user's finger or a stylus) approaches the electronic device 100, the mutual capacitance between the first touch electrodes 110_1~110_5 and the second touch electrodes 120_1~120_4 will change Change, and the size of the sensing signal Rx1~Rx4 will reflect the change of these mutual capacitance values. Therefore, the control circuit 130 can calculate the position of the touch input on the X axis and the Y axis according to the sensing signals Rx1 to Rx4.

In some embodiments, the electronic device 100 further includes a variety of elements for implementing display functions, such as one or more of a scan driving circuit, a backlight module, and a plurality of pixel circuits. For the sake of brevity, these elements are connected to it. The relationship is not shown in Figure 1. When looking down on the electronic device 100 in the direction of the Z axis, the first touch electrodes 110_1~110_5, the second touch electrodes 120_1~120_4, and a plurality of pixel circuits are located in an active area AA above the substrate SB, where the Z axis It is substantially orthogonal to the X axis and the Y axis. The active area AA may be an area where the electronic device 100 provides a display screen to the user, and the other area surrounding the active area AA in the substrate SB is the peripheral area PA. The peripheral area PA can be used to set a scan driving circuit to provide control signals required for the operation of the pixel circuit. The related technology of the scan driving circuit is well known to those with ordinary knowledge in the art. For the sake of brevity, it will not be repeated here.

In some embodiments, the electronic device 100 may be a smart phone, a tablet computer, or a notebook computer, or may be an in-cell touch display panel provided in the aforementioned device.

It should be noted that the number of the first touch electrodes 110_1 to 110_5 and the second touch electrodes 120_1 to 120_4 in Figure 1 is only an exemplary embodiment. In some embodiments, the number of the first touch electrode and the second touch electrode can be adjusted according to actual design requirements to adapt to panels of different sizes or to adapt to different resolution requirements.

In the embodiment of FIG. 1, the control circuit 130 is disposed outside the substrate SB, and can be connected to the substrate SB through Chip on Film (COF) technology, but this disclosure does not take this as limit. In some other embodiments, the control circuit 130 can also be directly disposed on the substrate SB by using Chip on Glass (COG) technology.

Please refer to FIG. 1 again, each of the first touch electrodes 110_1 to 110_5 includes a plurality of first electrode blocks 112 and a plurality of bridge patterns 114. The plurality of first electrode blocks 112 are connected in series with the plurality of bridge patterns 114, that is, two adjacent first electrode blocks 112 are coupled to each other through one bridge pattern 114. Each of the second touch electrodes 120_1 to 120_4 includes a plurality of second electrode blocks 122 and a plurality of connection patterns 124. The plurality of second electrode blocks 122 are connected in series with the plurality of connection patterns 124, that is, two adjacent second electrode blocks 122 are coupled to each other through one connection pattern 124. Each bridge pattern 114 crosses a corresponding connection pattern 124 in the Z-axis direction, and the first electrode block 112, the second electrode block 122 and the connection pattern 124 are disposed on the same layer on the substrate SB, and the bridge pattern 114 is disposed Another layer different from the substrate SB. In the second figure described later, the area 140 in the first figure will be enlarged to explain the above-mentioned stacking relationship in detail.

Each first electrode block 112 and each second electrode block 122 are substantially rectangular or diamond-shaped, but the present disclosure is not limited to this. In some embodiments, the first electrode block 112 at both ends (for example, the head end and the end) of each of the first touch electrodes 110_1~110_5 may be substantially triangular, and each of the second touch electrodes 120_1~120_4 The second electrode blocks 122 at both ends (for example, the head end and the end) may also be substantially triangular. In other embodiments, the plurality of first electrode blocks 112 and the plurality of second electrode blocks 122 are electrically isolated from each other. In still other embodiments, the plurality of first electrode blocks 112 and the plurality of second electrode blocks 122 may be implemented by various suitable transparent conductive films, such as indium tin oxide (ITO) films or zinc aluminum oxide. (Al-doped Zno, AZO for short) film.

In the embodiment of FIG. 1, the electronic device 100 further includes a plurality of signal transmission patterns 150. Each of the first touch electrodes 110_1 to 110_5 is coupled to the signal transmission pattern 150 through the first electrode block 112 at its end, and receives one of the scanning signals Tx1 to Tx5 through the signal transmission pattern 150. Each of the second touch electrodes 120_1 to 120_4 may be coupled to the signal transmission pattern 150 through a corresponding second electrode block 122, and transmit one of the sensing signals Rx1 to Rx5 through the signal transmission pattern 150. For example, the second touch electrode 120_1 is coupled to the signal transmission pattern 150 through the second second electrode block 122 counted from the right in the first figure. For another example, the second touch electrode 120_2 is coupled to the signal transmission pattern 150 through its third second electrode block 122 counted from the right in the first figure, and the rest can be deduced by analogy. However, the connection manner of the second touch electrodes 120_1 to 120_4 and the signal transmission pattern 150 is not limited to the above. In some embodiments, each of the second touch electrodes 120_1 to 120_4 may also be coupled to the signal transmission pattern 150 through the second electrode block 122 at the head or end thereof. In FIG. 5 to be described later, the area 160 in FIG. 1 will be enlarged to further illustrate the manner in which the first touch electrodes 110_1 to 110_5 and the second touch electrodes 120_1 to 120_4 are electrically connected to the signal transmission pattern 150.

Figure 2 is an enlarged schematic view of the area 140 in Figure 1. In some embodiments, the plurality of pixel circuits PX are used to receive one or more voltages required for operation from the first touch electrodes 110_1 to 110_5 and the second touch electrodes 120_1 to 120_4. Therefore, at least one edge of the first electrode block 112 is sawtooth, and at least one edge of the second electrode block 122 is also sawtooth, so that the projection corresponds to the plurality of pixel circuits PX. The symbols R, G, and B in each pixel circuit PX block in Figure 2 respectively represent that the pixel circuit PX is used to emit red light, green light and blue light, but the color arrangement of the pixel circuit PX in the present disclosure And the combination is not limited to this.

In detail, on the plane where the X axis and the Y axis are located, at least one edge of the first electrode block 112 includes a plurality of first protrusions 210, and at least one edge of the second electrode block 122 includes a plurality of second protrusions 220 . Each of the first protrusion 210 and the second protrusion 220 overlaps the projection of the corresponding one or more pixel circuits PX in the Z-axis direction.

In addition, in some embodiments, the gaps between the plurality of first electrode blocks 112 and the plurality of second electrode blocks 122 do not overlap with the projection of the pixel circuit PX in the direction of the Z axis.

As shown in FIG. 2, the bridge pattern 114 includes a plurality of bridge lines 230a and 230b. The bridge lines 230a and 230b, the first electrode block 112, the second electrode block 122, and the connection pattern 124 are located on different layers on the substrate SB. Therefore, the bridge wires 230a and 230b are respectively electrically connected to two adjacent first electrode blocks 112 through two through holes (Via Hole) 240, and the bridge wires 230a and 230b will cross the connection pattern 124. In some embodiments, the bridge lines 230a and 230b are respectively arranged between the corresponding two rows of pixel circuits PX, and do not overlap the projection of the pixel circuits PX in the Z-axis direction. In other embodiments, the bridge lines 230a and 230b are not arranged between the same two rows of pixel circuits PX, and are separated from each other by at least one row of pixel circuits PX. It is worth noting that the number of bridge lines in Figure 2 is only an exemplary embodiment, and the bridge pattern 114 may include one or more bridge lines according to actual design requirements.

In addition, the connection pattern 124 is used to couple two adjacent second electrode blocks 122, and the edge of the connection pattern 124 may not have protrusions, so that the connection pattern 124 is substantially rectangular. The connection pattern 124 overlaps the projection of the plurality of pixel circuits PX in the direction of the Z axis.

Figure 3A is a simplified cross-sectional view taken along the section line A-A' in Figure 2 in an embodiment. In this embodiment, the pixel circuit PX is a liquid crystal pixel circuit, and the electronic device 100 includes a lower glass substrate 310, a transparent conductive film layer (including a first electrode block 112, a second electrode block 122, and connection The pattern 124), the insulating layer 320, the thin film transistor layer 330 (including the bridge pattern 114), the liquid crystal layer 340, and the upper glass substrate 350. The through hole 240 penetrates the insulating layer 320 so that the bridge pattern 114 can be electrically connected to the first electrode block 112. The first touch electrodes 110_1~110_5 and the second touch electrodes 120_1~120_4 jointly form a common electrode layer of the pixel circuit PX, and are used to provide one or more common voltages for the pixel circuit PX, wherein the one or more common electrodes The voltage can be used to perform a polarity reversal operation and can be related to the gray scale provided by the pixel circuit PX.

The pixel circuit PX may include one or more switching transistors and a brightness determination circuit, wherein the brightness determination circuit is used to determine the gray scale provided by the pixel circuit PX and is coupled to a corresponding one of the first touch electrodes 110_1~110_5 Or the corresponding one of the second touch electrodes 120_1~120_4. For example, in some embodiments, the pixel circuit PX may be implemented by the pixel circuit 300 in FIG. 3B. The pixel circuit 300 includes one or more switching transistors Ms and a brightness determining circuit 360, wherein the brightness determining circuit 360 includes a storage capacitor Cs and a liquid crystal capacitor Clc. The switching transistor Ms is used to selectively turn on or turn off according to the control signal Sc to write the data voltage Vdata into the storage capacitor Cs and the liquid crystal capacitor Clc. The first end of the storage capacitor Cs is coupled to the liquid crystal capacitor Clc and the switching transistor Ms, and the second end of the storage capacitor Cs is coupled to the corresponding one of the first touch electrodes 110_1~110_5 or the second touch electrode 120_1 The corresponding one of ~120_4. For brevity, in Figure 3B, reference numerals 110 and 120 denote one of the first touch electrodes 110_1 to 110_5 and one of the second touch electrodes 120_1 to 120_4, respectively.

In the embodiment of FIG. 2 described above, when the electronic device 100 is viewed from the Z-axis direction, the bridge pattern 114 is located above the first electrode block 112, the second electrode block 122 and the connection pattern 124, but this disclosure does not do so Is limited.

In some embodiments, when the electronic device 100 is viewed from the Z-axis direction, the bridge pattern 114 is located below the first electrode block 112, the second electrode block 122, and the connection pattern 124. In this case, the cross-sectional view taken along the section line A-A' in FIG. 2 would be as shown in FIG. 4A. In the embodiment of FIG. 4A, the pixel circuit PX is an organic light emitting diode pixel circuit, and the electronic device 100 includes a lower substrate 410, a thin film transistor layer 420 (including the bridge pattern 114), and The insulating layer 430, the transparent conductive thin film layer (including the first electrode block 112, the second electrode block 122 and the connection pattern 124 ), and the upper substrate 440. The through hole 240 penetrates the insulating layer 430 so that the bridge pattern 114 can be electrically connected to the first electrode block 112. The first touch electrodes 110_1~110_5 and the second touch electrodes 120_1~120_4 are coupled to the cathodes or anodes of the organic light emitting diodes (not shown in FIG. 4A) of the plurality of pixel circuits PX, and are used to provide a Or multiple operating voltages to the pixel circuit PX, wherein the one or more operating voltages can be related to the gray scale provided by the pixel circuit PX.

For example, in some embodiments, the pixel circuit PX may be implemented by the pixel circuit 400 in FIG. 4B. The pixel circuit 400 includes one or more switching transistors Ms and a brightness determining circuit 450, wherein the brightness determining circuit 450 includes a driving transistor Md, a storage capacitor Cs, and an organic light emitting diode Ld. The first terminal of the driving transistor Md is used to receive the operating voltage VDD, the second terminal is coupled to the anode terminal of the organic light emitting diode Ld, and the control terminal is coupled to the switching transistor Ms and the storage capacitor Cs. The switching transistor Ms is used to selectively turn on or off according to the control signal Sc to write the data voltage Vdata into the storage capacitor Cs. The cathode end of the organic light emitting diode Ld is coupled to a corresponding one of the first touch electrodes 110_1 to 110_5 or a corresponding one of the second touch electrodes 120_1 to 120_4 to receive the operating voltage VSS. For brevity, in Figure 4B, reference numerals 110 and 120 denote one of the first touch electrodes 110_1 to 110_5 and one of the second touch electrodes 120_1 to 120_4, respectively.

In other embodiments, the pixel circuit 400 can also be changed to be coupled to the corresponding one of the first touch electrodes 110_1~110_5 or the second touch electrodes 120_1~120_4 by the anode end of the organic light emitting diode Ld. Corresponding to one of to receive the operating voltage VDD. In this case, the cathode terminal of the organic light emitting diode Ld is coupled to the first terminal of the driving transistor Md, and the second terminal of the driving transistor Md is used to receive the operating voltage VSS.

Please refer to Figure 1 and Figure 5 at the same time. Figure 5 is an enlarged schematic view of area 160 in Figure 1. It can be seen from FIG. 5 that the signal transmission pattern 150 includes a plurality of signal transmission lines 510a and 510b. The signal transmission lines 510 a and 510 b and the second electrode block 122 (as well as the first electrode block 112 and the connection pattern 124) are disposed on different layers, and thus are respectively coupled to the second electrode block 122 through the through hole 520. In some embodiments, the signal transmission lines 510a and 510b are respectively disposed between the corresponding two rows of pixel circuits PX, and do not overlap the projection of the pixel circuits PX in the Z-axis direction. In other embodiments, the signal transmission lines 510a and 510b are not arranged between the same two rows of pixel circuits PX, and are separated from each other by at least one row of pixel circuits PX. It is worth noting that the number of signal transmission lines in FIG. 5 is only an exemplary embodiment, and the signal transmission pattern 150 may include one or more signal transmission lines according to actual design requirements.

The foregoing coupling manner between the second electrode block 122 and the signal transmission pattern 150 is also applicable to the coupling manner between the first electrode block 112 and the signal transmission pattern 150. For the sake of brevity, the details are not repeated here.

FIG. 6 is a schematic diagram of waveforms when the electronic device 100 receives a touch input. For the convenience of description, only a part of the touch electrodes are shown in Figure 6. In this embodiment, the touch input is generated by the stylus 610 approaching the electronic device 100. The stylus 610 moves on the second touch electrode 120_1, and moves from a position close to the first touch electrode 110_1 to another position close to the first touch electrode 110_2.

In the case that the stylus 610 is closer to the first touch electrode 110_1, when the control circuit 130 sequentially transmits the scanning signals Tx1 and Tx2 to the first touch electrodes 110_1 and 110_2, the control circuit 130 receives the sensing signals in sequence. The test signal Rx1 has a higher intensity pulse wave and a lower intensity pulse wave. On the other hand, when the stylus 610 is closer to the first touch electrode 110_2, when the control circuit 130 again sequentially transmits the scanning signals Tx1 and Tx2 to the first touch electrodes 110_1 and 110_2, the control circuit 130 will The sensing signal Rx1 is sequentially received with a lower intensity pulse wave and a higher intensity pulse wave. Therefore, the control circuit 130 can accurately determine the movement track of the stylus 610 according to the waveform of the sensing signal Rx1.

It can be seen from the above that one of the advantages of the electronic device 100 is that it overcomes the problem that the traditional in-cell touch display with a plurality of rectangular touch electrodes arranged in a matrix is not suitable for a stylus. Another advantage of the electronic device 100 is that the number of signal transmission patterns 150 from the touch electrodes to the control circuit 130 is greatly reduced, thus helping to simplify the design of the touch chip and reducing the risk of short circuits between the touch electrodes. Improve product reliability.

In the specification and the scope of the patent application, certain words are used to refer to specific elements. However, a person with ordinary knowledge in the relevant technical field should understand that the same element may be called by different terms. The specification and the scope of patent application do not use differences in names as a way to distinguish components, but use differences in functions of components as a basis for distinction. The "including" mentioned in the specification and the scope of the patent application is an open term, so it should be interpreted as "including but not limited to". In addition, "coupling" here includes any direct and indirect connection means. Therefore, if it is described in the text that the first element is coupled to the second element, it means that the first element can be directly connected to the second element through electrical connection, wireless transmission, optical transmission, or other signal connection methods, or through other elements or connections. The means is indirectly connected to the second element electrically or signally.

The size and relative size of some elements in the illustration will be enlarged, or the shape of some elements will be simplified, so as to more clearly express the content of the embodiment. Therefore, unless otherwise specified by the applicant, the shape, size, relative size, and relative position of each element in the figure are only for convenience of description, and should not be used to limit the patent scope of this disclosure. In addition, the present disclosure can be embodied in many different forms, and when interpreting the present disclosure, it should not be limited to the embodiments presented in this specification.

In addition, unless otherwise specified in the specification, any term in the singular case also includes the meaning of the plural case.

The above are only preferred embodiments of the present disclosure, and all equal changes and modifications made in accordance with the requirements of the present disclosure should fall within the scope of the disclosure.

100: electronic device 110_1~110_5: the first touch electrode 112: The first electrode block 114: Bridge pattern 120_1~120_4: the second touch electrode 122: second electrode block 124: Connection pattern 130: control circuit 140: area 150: Signal transmission pattern 160: area AA: active area PA: Peripheral area X, Y, Z: coordinate axis Tx1~Tx5: Scan signal Rx1~Rx4: sense signal SB: Substrate 210: The first protrusion 220: second protrusion 230a, 230b: bridge wiring 240: Through hole PX: pixel circuit A-A’: Sectional line 300: pixel circuit 310: Lower glass substrate 320: insulating layer 330: Thin film transistor layer 340: liquid crystal layer 350: upper glass substrate 360: brightness determination circuit Ms: switching transistor Cs: storage capacitor Clc: liquid crystal capacitor Vdata: data voltage 400: pixel circuit 410: lower substrate 420: thin film transistor layer 430: Insulation layer 440: upper substrate 450: brightness determination circuit Md: drive transistor Ld: organic light emitting diode VDD, VSS: working voltage 510a, 510b: signal transmission line 520: Through hole 610: Stylus

FIG. 1 is a simplified functional block diagram of an electronic device according to an embodiment of the present disclosure. Figure 2 is a partially enlarged schematic diagram of Figure 1. Figure 3A is a simplified cross-sectional view taken along the section line A-A' in Figure 2 in an embodiment. FIG. 3B is a schematic diagram of a pixel circuit according to an embodiment of the present disclosure. Figure 4A is a simplified cross-sectional view taken along the line A-A' in Figure 2 in another embodiment. FIG. 4B is a schematic diagram of a pixel circuit according to an embodiment of the present disclosure. Figure 5 is a partially enlarged schematic diagram of Figure 1. FIG. 6 is a schematic diagram of waveforms when the electronic device of FIG. 1 receives a touch input.

100: electronic device

110_1~110_5: the first touch electrode

112: The first electrode block

114: Bridge pattern

120_1~120_4: the second touch electrode

122: second electrode block

124: Connection pattern

130: control circuit

140: area

150: Signal transmission pattern

160: area

AA: active area

PA: Peripheral area

X, Y, Z: coordinate axis

Tx1~Tx5: Scan signal

Rx1~Rx4: sense signal

SB: Substrate

Claims (12)

An electronic device with touch function, including: A plurality of first touch electrodes parallel to a Y axis, wherein each first touch electrode includes a plurality of first electrode blocks and a plurality of bridge patterns, and the plurality of first electrode blocks and the plurality of bridge patterns are connected in series ； A plurality of second touch electrodes parallel to an X axis, wherein each second touch electrode includes a plurality of second electrode blocks and a plurality of connection patterns, and the plurality of second electrode blocks are connected in series with the plurality of connection patterns; And the X axis is substantially orthogonal to the Y axis; and A plurality of pixel circuits projected corresponding to the plurality of first touch electrodes and the plurality of second touch electrodes for receiving one or from the plurality of first touch electrodes and the plurality of second touch electrodes Multiple voltages. The electronic device according to claim 1, wherein at least one edge of each first electrode block and at least one edge of each second electrode block are sawtooth-shaped. The electronic device according to claim 2, wherein the at least one edge of each first electrode block includes a plurality of first protrusions, and the at least one edge of each second electrode block includes a plurality of second protrusions, And each of the plurality of first protrusions and the plurality of second protrusions overlaps the projection of the corresponding one or more of the plurality of pixel circuits in a Z-axis direction, and the Z-axis is substantially The upper is orthogonal to the X axis and the Y axis. The electronic device according to claim 3, wherein the gap between the plurality of first electrode blocks and the plurality of second electrode blocks does not overlap the projection of the plurality of pixel circuits in the direction of the Z axis. The electronic device according to claim 1, wherein each connection pattern overlaps a projection of a corresponding one of the plurality of pixel circuits in a Z-axis direction, and crosses a corresponding one of the plurality of bridge patterns One, the Z axis is substantially orthogonal to the X axis and the Y axis. The electronic device according to claim 1, wherein each bridge pattern includes one or more bridge lines, and each bridge line is disposed between corresponding two rows of pixel circuits in the plurality of pixel circuits, and each The bridge line crosses the corresponding one of the plurality of connection patterns. The electronic device according to claim 1, wherein, if the plurality of pixel circuits are liquid crystal pixel circuits, the plurality of first touch electrodes and the plurality of second touch electrodes form components of the plurality of pixel circuits Common electrode layer, If the plurality of pixel circuits are organic light emitting diode pixel circuits, the plurality of first touch electrodes and the plurality of second touch electrodes are coupled to the plurality of organic light emitting diodes of the plurality of pixel circuits body. The electronic device according to claim 7, wherein the one or more voltages are associated with the brightness of each pixel circuit. The electronic device according to claim 1, wherein the electronic device further includes a substrate, and the plurality of first electrode blocks, the plurality of second electrode blocks, and the plurality of connection patterns are disposed on a first substrate of the substrate. A second layer different from the first layer is provided on the substrate with the plurality of bridge patterns. The electronic device according to claim 1, wherein the electronic device further comprises: A plurality of signal transmission patterns for coupling to a control circuit, wherein each signal transmission pattern is coupled to a corresponding one of the plurality of first touch electrodes or a corresponding one of the plurality of second touch electrodes Moreover, it includes one or more signal transmission lines, and each signal transmission line is arranged between corresponding two rows of pixel circuits in the plurality of pixel circuits. The electronic device according to claim 10, wherein the plurality of signal transmission patterns are parallel to the Y axis. The electronic device according to claim 1, wherein the plurality of first electrode blocks and the plurality of second electrode blocks are substantially diamond-shaped.

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