TWI459278B - Method of transmitting and detecting the touch sensing signal and display device - Google Patents

Description

Method and display for transmitting and detecting touch sensing signals

The present invention relates to a method for transmitting and detecting a touch sensing signal, and more particularly to a method for transmitting and detecting a touch sensing signal for a capacitive touch sensing circuit.

A general touch display panel is provided with a touch panel on a display panel, such as a display surface of a liquid crystal display panel. However, in addition to adding a touch panel, the touch panel can increase the overall thickness of the touch display panel. The cost of materials has increased relatively. In order to improve the above problem, a touch display panel integrates the touch panel into the display panel to save material cost and reduce the thickness of the touch display panel. In addition, the capacitive touch display panel can detect the touch of the user's finger on the display panel and determine the touch position and strength of the finger, thereby allowing the user to input data by finger touch or select a function option on the display panel. Therefore, it is one of the important topics to provide a method for transmitting and detecting a touch sensing signal that is suitable for the touch display panel and that can accurately determine the touch position and intensity.

Accordingly, it is an object of the present invention to provide a method for accurately determining the touch position, intensity transmission, and detecting touch sensing signals.

In order to achieve the above object, a method for transmitting and detecting a touch sensing signal is applied to an active driving circuit, the active driving circuit includes a plurality of first wires arranged in parallel, and the plurality of stripes are interleaved with the first wires. And parallelly distributing the second wires, the first wires are provided with a first signal, the second wires are provided with a second signal, and the method for transmitting the touch sensing signals comprises: selecting from the first wires The plurality of first wires are used as the first touch sensing wires, and the plurality of second wires are selected as the second touch sensing wires; and the first signal is transmitted to the first touches And transmitting a touch signal to at least one of the first touch sensing lines or the second touch sensing lines when the second signal is transmitted to the second touch sensing lines And detecting a signal on at least one of the first touch sensing lines or the second touch sensing lines to extract a detection signal corresponding to the touch sensing signal from the middle To determine where the touch occurred or Degree signal.

Preferably, when the touch sensing signal is transmitted to the first touch sensing lines, the first signal is transmitted in a first time interval, and the touch sensing signal is after the first time interval or The second time interval is transmitted, or the touch sensing signal is transmitted in the second time interval, and the first signal is transmitted in the first time interval after or outside the second time interval.

Preferably, when the touch sensing signal is transmitted to the second touch sensing lines, the second signal is transmitted in a third time interval, and the touch sensing signal is after the third time interval or The fourth time interval is transmitted, or the touch sensing signal is transmitted in the fourth time interval, and the second signal is transmitted in the third time interval after or outside the fourth time interval.

Preferably, the touch sensing signal is transmitted to the second touch sensing lines, and the second signal may be a pulse or a square wave signal, and the second signal is mixed with the touch sensing signal. Is transmitted to the second touch sensing lines.

Preferably, a high voltage signal is transmitted to the first touch sensing lines or the first wires in a fifth time interval before the second time interval.

Preferably, the touch sensing signal is further mixed with a high voltage signal and then transmitted to the first touch sensing lines or the first wires.

Preferably, a high voltage signal is transmitted to the second touch sensing lines or the second wires in a sixth time interval before the fourth time interval.

Preferably, the touch sensing signal is further mixed with a high voltage signal and then transmitted to the second touch sensing lines or the second wires.

Preferably, the active driving circuit is applied to a display, and the high voltage signal is also applied to the pixel electrodes of all or part of the region of a pixel electrode layer of the display.

Preferably, the frequency of the touch sensing signal is at least 30 times greater than the frequency of the second signal.

Preferably, the touch sensing signal can be a square wave, a triangular wave or a sine wave.

Preferably, before the transmitting the touch sensing signal to at least one of the first touch sensing lines or the second touch sensing lines, the first touch sensing lines or the At least one of the second touch sensing lines is grounded, connected to a conductor or connected to a large capacitor.

Preferably, in the method of transmitting and detecting the touch sensing signal, the data controller is further configured to transmit the first signal to the first wires, and the data controller transmits the touch sensing signal to the first controller. a first touch sensing line, and a scan controller transmits the second signal to the second wires, and the scan controller transmits the touch sensing signal to the second touch sensing lines, and the touch The inductive detector is electrically coupled to the first touch sensing lines to detect the first touch sensing lines and to extract the detecting signals corresponding to the touch sensing signals from the middle, and the touch sensing The detector is electrically coupled to the second touch sensing lines to detect the second touch sensing lines and to extract the detecting signals corresponding to the touch sensing signals.

Preferably, the active driving circuit is applied to a display, and one of the first touch sensing lines and the second touch sensing lines is a common electrode line, and the display further includes a common electrode The line electrically coupled switch circuit switches the common electrode lines as a common electrode or as a sensing line for transmitting the touch sensing signal according to the timing of the signal transmission.

Preferably, the active driving circuit is applied to a display, and the liquid crystal layer of one of the displays is driven by the first wires and the second wires.

Furthermore, a display of the present invention has an active driving circuit including a plurality of first wires arranged in parallel, a plurality of second wires staggered and parallel to the first wires, and the first wires A second signal is provided, and the second wires are provided with a second signal, wherein the active driving circuit applies a method for transmitting and detecting a touch sensing signal as described in claims 1 to 12.

Preferably, the display is a liquid crystal display comprising a liquid crystal layer, and the liquid crystal layer is driven by the first wires and the second wires of the active driving circuit.

Preferably, the display is a liquid crystal display, a germanium based liquid crystal micro display, an electrowetting display, an electrophoretic display or an organic light emitting diode display.

Furthermore, the present invention provides a method for transmitting and detecting a touch sensing signal, which is applied to an active driving circuit, the active driving circuit including a plurality of first wires arranged in parallel, and the plurality of stripes are staggered and parallel with the first wires. a second conductor, a plurality of third conductors disposed inside, outside or around the active driving circuit, and a plurality of fourth conductors interleaved with the third conductors at an inner, outer or periphery of the active driving circuit The first wire is provided with a first signal, and the second wire is provided with a second signal. The method for transmitting the touch signal includes: transmitting a high voltage signal and a touch sensing signal to the wire And detecting at least one of the third wire or the fourth wire; and detecting a signal on at least one of the third wire or the fourth wire to extract from the middle corresponding to the touch sensing A detection signal of the signal to determine the location or intensity of the touch.

Preferably, the method firstly transmits the high voltage signal to the first wire or the second wires or at least one of the third wires or the fourth wires, and then the touch sensing The signal is synchronously transmitted to at least one of the third wire or the fourth wire.

Preferably, the method first mixes the high voltage signal with the touch sensing signal and then transmits the signal to at least one of the third wire or the fourth wire.

Preferably, the method sequentially transmits the high voltage signal to at least one of the third wire and the fourth wire in a first time interval, and then sequentially transmits in a second time interval. The touch sensing signal is to at least one of the third wire or/and the fourth wire.

Preferably, at least one of the third wire and the fourth wire is transmitted by the high voltage signal in a first time interval and a second after or outside the first time interval. The time interval transmits and detects the touch sensing signal.

Preferably, the method transmits the touch-sensitive signal to at least one of the third wire and the fourth wire, and transmits the high-voltage signal to the first wire and the first Two wires.

Preferably, the active driving circuit is applied to a display, and the high voltage signal is also applied to the pixel electrodes of all or part of the region of a pixel electrode layer of the display.

Preferably, the absolute value of the high voltage signal is ≧4V, and the first time interval is ≧0.5ms.

Preferably, the method further grounds at least one of the third wire and the fourth wire before transmitting the touch sensing signal to at least one of the third wire and the fourth wire. Connect one conductor or one large capacitor.

Preferably, the active driving circuit is applied to a display, and the liquid crystal layer of one of the displays is driven by the first wires or the second wires.

Furthermore, a display of the present invention has an active driving circuit including a plurality of first wires arranged in parallel, a plurality of second wires staggered and parallel to the first wires, and a plurality of wires disposed at the plurality of wires a third wire of the inner, outer or periphery of the active driving circuit, and a plurality of fourth wires interleaved with the third wires at the inner, outer or periphery of the active driving circuit, the first wires being provided with a first wire A second signal is provided with a second signal, wherein the active driving circuit applies a method for transmitting and detecting a touch sensing signal as described in claims 17 to 21.

Preferably, the display is a liquid crystal display comprising a liquid crystal layer, and the liquid crystal layer is driven by the first wires and the second wires of the active driving circuit.

Preferably, the liquid crystal display includes a backlight module that provides a light source, and the method further includes: transmitting the high voltage signal to the first wires and the second wires, or transmitting the touch sensing The light source of the backlight module is turned off or dimmed while the signal is to the third wire or the fourth wire.

Preferably, the display is a liquid crystal display, a germanium based liquid crystal micro display, an electrowetting display, an electrophoretic display or an organic light emitting diode display.

Furthermore, the method for transmitting and detecting a touch sensing signal is applied to a touch display, the touch display comprising a liquid crystal display and a capacitive touch sensing layer disposed above the liquid crystal display, the liquid crystal The display comprises a liquid crystal layer, a plurality of first wires arranged in parallel, a plurality of second wires staggered and parallel with the first wires, and the first wires are provided a first time in a first time interval Signaling, in a third time interval, the second wires are provided with a second signal to drive the liquid crystal layer; the capacitive touch sensing layer includes a plurality of third wires, and the plurality of wires and the third wires The interleaved fourth wire; the method for transmitting and detecting the touch sensing signal includes: transmitting a high voltage signal to the first wires and transmitting one in a second time interval after or outside the first time interval Touching the sensing signal to the third wires, or transmitting a high voltage signal to the second wires and transmitting a touch feeling in a fourth time interval after or outside the third time interval Signaling to the fourth wire; and detecting a signal on at least one of the third wire or the fourth wire to extract a detection signal corresponding to the touch sensing signal from the middle It is used to determine the location or intensity of the touch.

Preferably, the liquid crystal display comprises a backlight module for providing a light source, and the method further comprises: turning off or darkening the backlight mode while transmitting the high voltage signal to the first wires or the second wires The light source of the group.

Preferably, the method further transmits at least one of the third wire and the fourth wire before transmitting the touch sensing signal to at least one of the third wire and the fourth wire. Ground or connect a large capacitor.

Preferably, the high voltage signal is also applied to the pixel electrodes of all or part of the region of the pixel electrode layer of the liquid crystal display.

Furthermore, the method for transmitting and detecting a touch sensing signal is applied to a capacitive touch sensing circuit, the capacitive touch sensing circuit comprising a plurality of first wires, and a plurality of first wires and the first wires Interleaving the second wire, the method comprising: first briefly grounding or connecting at least one of the first wire or the second wire to a large capacitance, and then transmitting a touch sensing signal to the first wire Or detecting at least one of the second wires; and detecting a signal on at least one of the first wires or the second wires to extract a corresponding one of the touch sensing signals from the middle The signal is detected and the position and intensity of the touch are determined.

The utility model has the advantages of transmitting touch sensing signals on the wires of the active driving circuit of the driving flat display, the wires disposed separately in the active driving circuit, and the capacitive touch sensing layer of the touch display. Detecting the position or intensity of the touch, and transmitting the high voltage signal to the wires of the active driving circuit, the wires provided in the active driving circuit, and the wires or partial electrodes of the pixel electrode layer of the touch display, or transmitting Before the touch sensing signal, the wires of the active driving circuit, the wires provided in the active driving circuit, and the capacitive touch sensing layer of the touch display are grounded briefly, which can improve the accuracy of the touch detection, and achieve the invention. Efficacy and purpose.

The foregoing and other objects, features, and advantages of the invention are set forth in the <RTIgt;

Referring to FIG. 1 , a first preferred embodiment of the method for transmitting and detecting a touch sensing signal is applied to an active driving circuit 100. The active driving circuit 100 is mainly used to drive a display panel. An LCD panel, an electrophoretic display panel, an electrowetting display panel, etc., comprising a plurality of first conductors 11 arranged in parallel, a plurality of second conductors 12 interleaved and parallel with the first conductors 11, The first wires 11 are provided with a first signal S1, and the second wires 12 are provided with a second signal S2, wherein the first wires 11 may be data lines, scan lines, One of the signal line, the read line, the bias line, the power line, the control line, the common electrode line, the auxiliary line, the compensation circuit, the signal control line of the compensation circuit, and the like, and the second wire 12 may be the active drive circuit 100 One of the data line, the scan line, the signal line, the read line, the bias line, the power line, the control line, the common electrode line, the auxiliary line, the compensation circuit, the signal control line of the compensation circuit, etc., but The first Interlaced line 11 does not conduct.

As shown in FIG. 1 , the active driving circuit 100 of the embodiment is used for driving a liquid crystal panel. The first wires 11 are data lines D ₁ -D _m in the active driving circuit 100, and the first signal S1 is a data signal, such second wire 12 is an active scan line driving circuit 100 is ₁ ~ G _n G, and the second signal S2 is a scanning drive signal.

The method for transmitting and detecting the touch sensing signal is to select a plurality of first wires 11 as the first touch sensing lines X ₁ from the first wires 11 (ie, the data lines D ₁ to D _m ). ~X _m/d (d is a positive integer), and a plurality of second wires 12 are selected as the second touch sensing lines Y ₁ ~Y from the second wires 12 (ie, the scanning lines G ₁ -G _n ) _n/d' (d' is a positive integer). The first wires 11 (ie, the data lines D ₁ -D _m ) are driven by a data controller 13 , and the second wires 12 (ie, the scan lines G ₁ -G _n ) are driven by a scan controller 14 . a first touch sensor and the detector 15 with such a first touch sensing lines X ₁ ~ X _{m / d} electrically coupled, X ₁ ~ X on the touch sensor to detect a first line of such _{m / d} The second touch sensing detector 16 is electrically coupled to the second touch sensing lines Y ₁ ~Y _n/d' to detect the second touch sensing lines Y ₁ ~ The touch signal on Y _n/d' .

Therefore, the data controller 13 transmits the first signal S1 to the first wires D ₁ -D _m or the first touch sensing lines X ₁ -X _m/d , or the scan controller 14 transmits the second signal S2 to the When the second wires G ₁ -G _n or the second touch sensing lines Y ₁ ~Y _{n/d' are} received, the data controller 13 further transmits at least a first touch sensing signal S3 to the first touch sensing lines. X ₁ ~X _m/d , or / and scan controller 14 also transmits at least a second touch sensing signal S4 to the second touch sensing lines Y ₁ ~Y _n/d' . The frequency of the second touch sensing signal S4 is at least 30 times the frequency of the second signal S2. The first touch sensing detector 15 can detect and determine the first touch sensing lines X ₁ ~ by receiving signals from the first touch sensing lines X ₁ ~X _m/d . Whether the X _m/d is touched and the touch intensity and position, the second touch sensing detector 16 can receive the signals from the second touch sensing lines Y ₁ ~Y _n/d' . Detecting and determining whether the second touch sensing lines Y ₁ ~Y _n/d' are touched and the touch intensity and position.

More specifically, the first signal S1 and the first touch sensing signal S3 are transmitted to the first touch sensing lines X ₁ ~X _m/d by the data controller 13 , that is, as shown in FIG. 2 . The first signal S1 is transmitted to the first touch sensing lines X ₁ ~X _m/d in a first time interval T1 , and the first touch sensing signal S3 is a first time interval T1 The two time intervals T2 are transmitted to the first touch sensing lines X ₁ ~X _m/d . In addition, as shown in FIG. 3, the data controller 13 may first transmit the first touch sensing signal S3 in the second time interval T2, and then transmit the first signal S1 in the first time interval T1 after the second time interval T2. .

Similarly, as shown in FIG. 4, the second signal S2 and the second touch sensing signal S4 are also time-divisionally transmitted by the scanning controller 14 to the second touch sensing lines Y ₁ ~Y _n/d' , that is, The second signal S2 is transmitted in a third time interval T3, and the second touch sensing signal S4 is transmitted in a fourth time interval T4. In addition, as shown in FIG. 5, the scan controller 14 may first transmit the second touch sensing signal S4 in the fourth time interval T4, and then transmit the second signal S2 in the third time interval T3 after the fourth time interval T4. . At the same time, the first touch sensing detector 15 and the second touch sensing detector 16 respectively detect and receive the first touch sensing lines X ₁ ~X _m/d and the second touch sensing lines The signal on Y ₁ ~Y _n/d' is used to extract a detection signal corresponding to the first touch sensing signal S3 and the second touch sensing signal S4 from the middle to determine the position of the touch, strength. The first touch sensing detector 15 and the second touch sensing detector 16 can detect the first touch sensing lines X ₁ ~X _{m/ by} using a self-capacitive capacitive sensing method. _d and the signals on the second touch sensing lines Y ₁ ~Y _n/d' .

Furthermore, as shown in FIG. 6, the second touch sensing signal S4 may be first mixed with the second signal S2 and then transmitted to the second touch sensing lines Y ₁ ~Y _n/d' . The second touch sensing detector 16 detects and receives signals on the second touch sensing lines Y ₁ ~Y _n/d' to separate therefrom corresponding to the second touch sensing signal S4. A detection signal is used to determine the location and intensity of the touch. Of course, in this embodiment, only one touch sensing detector can be used to detect the first touch sensing lines X ₁ ~X _m/d and the like by using a conventional mutual capacitance sensing method. Touching the touch signal on the sensing line Y ₁ ~Y _n/d' , and extracting a detection signal corresponding to the first touch sensing signal S3 and the second touch sensing signal S4 from the middle, and judging by The position and strength at which the touch occurred.

In addition, when the active driving circuit 100 is combined with a display and the liquid crystal display having a liquid crystal panel is taken as an example to form a liquid crystal display, the active driving circuit 100 is used to drive the liquid crystal molecules in the liquid crystal panel to deflect to display a data picture. In this embodiment, in order to not interfere with the display screen, the first wire 11 and the second wires 12 under the black matrix (BM) of the liquid crystal panel are selected as the first touches. The sensing lines X ₁ ~X _m/d and the second touch sensing lines Y ₁ ~Y _n/d' . Moreover, since the deflection angles of the liquid crystal molecules at each position on the panel are not the same, the accuracy of the touch detection is easily affected. Therefore, as shown in FIG. 7 or FIG. 8, the embodiment further causes the data controller 13 to transmit a high voltage signal S5 in a fifth time interval T5 before the second time interval T2 of transmitting the first touch sensing signal S3. Up to the first touch sensing lines X ₁ ~X _m/d , or to all of the first wires 11 (ie, the data lines D ₁ -D _m ), wherein the absolute value of the high voltage signal S5 is preferably greater than or at least Equal to 4V, and the fifth time interval T5 is preferably greater than or at least equal to 0.5ms. It is worth mentioning that the high voltage signal of this embodiment is not limited to a positive voltage, and may also be a negative voltage, for example, ±5V or ±20V, and the higher the voltage value, the liquid crystal molecules can be more quickly deflected to the same angle.

Therefore, before performing the touch detection, the data controller 13 may first transmit the high voltage signal S5 to control the deflection order of the liquid crystal molecules in the vicinity of the first touch sensing lines X ₁ ~X _m/d of the liquid crystal panel. Then, the first touch sensing signal S3 is output to the first touch sensing lines X ₁ ~X _m/d .

In addition, as shown in FIG. 9, the data controller 13 may also mix the first touch sensing signal S3 and the high voltage signal S5, and then transmit the first touch sensing lines X ₁ ~X _m/d. Or all of the first wires 11 (ie, the data lines D ₁ -D _m ) are similar. As shown in FIG. 10 or FIG. 11 , the scan controller 14 of the embodiment further transmits the fourth touch sensing signal S4. A sixth time interval T6 before the time interval T4 transmits a high voltage signal S6 to the second touch sensing lines Y ₁ ~Y _n/d' or to all of the second wires 12 (ie, the scanning line G ₁ ~ G _n ), by first transmitting the high voltage signal S6 to control the liquid crystal molecules in the liquid crystal panel near the second touch sensing lines Y ₁ ~ Y _{n / d '} or all of the second wires 12 G1 ~ Gn in order After the deflection of the degree is arranged, the second touch sensing signal S4 is output to the second touch sensing lines Y ₁ ~Y _n/d or all the second wires 12 G1~Gn to avoid the influence of the liquid crystal molecules. The accuracy of the second touch sensing line Y ₁ ~Y _n/10 touch detection.

In addition, the high voltage signal can also be applied to the pixel electrodes in all or part of the pixel electrode layer of the liquid crystal panel, so that the upper liquid crystal molecules and the adjacent liquid crystal molecules can be arranged more orderly.

Furthermore, as shown in FIG. 12, the scan controller 14 may first mix the second touch sensing signal S4 and the high voltage signal S5, and then transmit the second touch sensing lines Y ₁ ~Y _n to the second touch sensing lines Y ₁ ~Y _{n /d} or all of the second wires 12G1 to Gn or the pixel electrodes of all or part of the region of the pixel electrode layer of the liquid crystal panel.

In addition, it is worth mentioning that the embodiment transmits the touch sensing signal to the first touch sensing lines X ₁ ~X _m/d or the second touch sensing lines Y ₁ ~Y _{n/d '} Before, the first touch sensing lines X ₁ ~X _m/d or the second touch sensing lines Y ₁ ~Y _n/d' may be grounded first, and all the first wires D ₁ may be ~D _m or all of the second wires G ₁ G G _{n ' are} grounded, that is, connected to a common potential, such as a large capacitor or a large conductor or a ground plane of the circuit board, etc., so that the first The touch sensing lines X ₁ ~X _m/d and the noise or leakage on the second touch sensing lines Y ₁ ~Y _n/d' can be cleaned by short time or short grounding, thereby being Further improving the accuracy of the first touch sensing lines X ₁ ~X _m/d and the second touch sensing lines Y ₁ ~Y _n/d' touch detection.

Furthermore, it is worth mentioning that if one of the first wires and the second wires is a common electrode line, the display may further comprise a switch circuit electrically coupled to the common electrode lines. The common electrode lines are switched as a common electrode or as a sensing line for transmitting the touch sensing signal according to the timing of signal transmission.

Referring to FIG. 13, a second preferred embodiment of the method for transmitting and detecting a touch sensing signal is applied to another active driving circuit 200. The active driving circuit 200 is mainly used to drive a display panel (not shown). , for example, a liquid crystal panel, an electrophoretic display plasma panel, an electrowetting display OLED panel, an EL panel, etc., including a plurality of first wires D ₁ to D _m distributed in parallel, a plurality of wires and the first wires D ₁ ~D _m staggered and parallel-distributed second wires G ₁ ~G _n , the plurality of bars being equidistantly arranged and parallel to the first wires D ₁ -D _m but only a few of the first wires D ₁ -D _m 1/d (d is an integer) times the third wire X ₁ ~X _m/d , and the plurality of bars are equidistantly arranged and parallel to the second wires G ₁ -G _n , and the third wires X1 ~Xn/d interleaved fourth wires Y ₁ ~Y _n/d' (d' is an integer), the first wires D ₁ -D _m are provided with a first signal, and the second wires G1~Gn are Provide a second signal. The first wires D ₁ -D _m may be the data lines, the scan lines, the signal lines, the read lines, the bias lines, the power lines, the control lines, the common electrodes, the auxiliary lines, and the compensation in the active driving circuit 200. One of the circuit, the signal control line of the compensation circuit, and the like, the second wires G ₁ G G _n may be a data line, a scan line, a signal line, a read line, a bias line, and a power source in the active drive circuit 100. One of the line, the control line, the common electrode, the auxiliary line, the compensation circuit, the signal control line of the compensation circuit, etc., but is interleaved with the first wires D ₁ to D _m and not turned on.

As shown in FIG. 13 , the active driving circuit 200 of the present embodiment is exemplified by driving a liquid crystal panel. The first wires D ₁ -D _m are data lines in the active driving circuit 200, which are generally along the liquid crystal panel. A black matrix (BM) or a non-display area is arranged, and the first signal is a data signal, and the second wires G ₁ G G _n are scan lines in the active driving circuit 100, which are generally along the liquid crystal panel. The black matrix or non-display area is arranged, and the second signal is a scan driving signal. The first wires D ₁ -D _{m are} driven by a data controller 13 , and the second wires G ₁ G G _{n are} driven by a scan controller 14 , and a first touch sensing detector 15 is The third wires (touch sensing lines) X ₁ ~X _{m/d are} electrically coupled to detect the touch signals on the third wires X ₁ ~X _m/d , and a second touch sensing a fourth measuring device 16 with such conductors Y ₁ ~ Y _{n / d 'is} electrically coupled to detect such a fourth lead Y ₁ ~ Y _{n / d'} in the touch signal. Of course, in this embodiment, only one touch sensing detector can be used to separately detect the third wires X ₁ ~X _m/d and the touches on the fourth wires Y ₁ ~Y _n/d' Signal.

In this embodiment, the high-voltage signal S5 is transmitted to the third wires X ₁ -X _m/d or to all the first wires D ₁ -D _m and then the first touch sensing signal S3 is transmitted to the first touch sensing signal S3. The third wire X ₁ ~X _m/d , or a high voltage signal S6 to the fourth wires Y ₁ ~Y _{n / d '} or to all of the second wires G ₁ ~ G _n and then the second touch The sensing signal S4 is connected to the fourth wires Y ₁ ~Y _n/d' , thereby controlling the liquid crystal panel to be located on the third wire X ₁ ~X _m/d and/or fourth by transmitting the high voltage signals S5, S6. After the liquid crystal molecules in the vicinity of the wires Y ₁ ~Y _n/d' are deflected and arranged, the first and second touch sensing signals S3, S4 are output to the third wires X ₁ ~X _m/d and / Or the fourth wire Y ₁ ~Y _n/d' can avoid the difference in the order of the liquid crystal molecules and affect the third wires X ₁ ~X _m/d and/or the fourth wires Y ₁ ~Y _{n/d '} The accuracy of touch detection.

More specifically, as shown in FIG. 14, the first touch sensing detector 15 (and/or the second touch sensing detector 16) can transmit high before the touch detection. The voltage signal S5 (and/or the high voltage signal S6) is given to all of the third wires X ₁ ~X _m/d (and/or the fourth wires Y ₁ ~Y _n/d' ) so that the third wire X is aligned. _After the liquid crystal molecules at positions ₁ to X _m/d (and/or the fourth wire Y ₁ ~Y _n/d' ) are aligned in the same direction, the first touch sensing signal S3 (and/or second) is respectively transmitted. Touching the sensing signal S4) to the third wires X ₁ ~X _m/d (and/or the fourth wires Y ₁ ~Y _n/d' ). Alternatively, as shown in FIG. 15 , the first touch sensing detector 15 (and/or the second touch sensing detector 16 ) first inputs the high voltage signal S5 (and/or the high voltage signal S6 ) with the first touch. The touch sensing signal S3 (and/or the second touch sensing signal S4) is mixed and then transmitted to the third wires X ₁ ~X _m/d (and/or the fourth wires Y ₁ ~Y _{n/ d'} ), the effect of aligning the liquid crystal molecules at the positions of the third wires X ₁ to X _n/d and/or the fourth wires Y ₁ to Y _{m/d corresponding to} each other may be achieved.

In addition, the high-voltage signals S5 and S6 may be applied to all or a part of the pixels of the pixel electrode layer of the liquid crystal panel, so that the upper and adjacent liquid crystal molecules can be arranged in a more orderly manner.

Or, as shown in FIG. 16, the first touch sensing detector 15 (and/or the second touch sensing detector 16) sequentially transmits the high voltage signal S5 in a first time interval t1 (and/or The high voltage signal S6) to the third wires X ₁ ~X _{m / d} (and / or the fourth wire Y ₁ ~ Y _{n / d '} ), the liquid crystal panel is controlled to be located in the third wire X ₁ ~ X _m After the order of deflection of the liquid crystal molecules in the vicinity of _/d (and/or the fourth wire Y ₁ ~Y _n/d' ), the first touch sensing signal S3 is sequentially transmitted in a second time interval t2 ( And/or the second touch sensing signal S4) to the third wires X ₁ ~X _m/d (and/or the fourth wires Y ₁ ~Y _n/d' ).

Or as shown in FIG. 17, the first touch sensing detector 15 transmits a first touch sensing signal S3 to a first time interval t1 in a period T of each of the third wires X ₁ to X _m/d . , for example, FIG. 17 (a), transmitting a first high-voltage signal S5 (approximately 5V) to the third conductor X ₁ ~ X _{m / d} in the first X _1, so that the control of the liquid crystal panel located on the first conductive lines X ₁ liquid crystal molecules in the vicinity of the deflection arrangement order, and then, a second time interval t2 of the first touch sensing signal transmitted after the first time interval t1 of first conductor S3 to X _1, for touch detection . Then, in the above manner, as shown in FIGS. 17(b) to (m/d), in each of the following periods T, the high voltage signal S1 and the first touch sensing signal S3 are sequentially transmitted to the subsequent third. Wire X ₂ ~X _m/d . Similarly, the second touch sensing detector 16 sequentially transmits the high voltage signal S6 and the second touch sensing signal S4 to each of the fourth wires Y ₁ to Y _n in each period T in the above manner. _/d' . Thereby, the liquid crystal molecules corresponding to the third wire X ₁ ~X _m/d and/or the fourth wire Y ₁ ~Y _n/d' can be aligned neatly without affecting the third wire X. ₁ ~ X _{m / d} and / or fourth wire Y ₁ ~ Y _{n / d '} touch detection accuracy.

Moreover, the high-voltage signals S5 and S6 may be applied to the pixels of all or a part of the pixel electrode layer of the liquid crystal panel so that the upper and adjacent liquid crystal molecules can be arranged more orderly.

Of course, the above high voltage signal can also be applied by a display driver IC such as the data controller 13 or the scan controller 14 described above.

At the same time, the first touch sensing detector 15 and the second touch sensing detector 16 respectively detect and receive the third wires X ₁ ~X _m/d and the fourth wires Y ₁ ~Y _n/ The signal on _d' is used to extract a detection signal corresponding to the touch sensing signal from the middle to determine the position and intensity of the touch.

Furthermore, as shown in FIGS. 18(a) and (b), the high voltage signal S5 (and/or the high voltage signal S6) may be the first time when the first conductors D ₁ to D _m are transmitted with the data signal. The interval T1 is transmitted to the third wires X ₁ ~X _m/d (and/or the fourth wires Y ₁ ~Y _n/d' ), and is in the fifth time interval T5 after the first time interval T1 The first touch sensing signal S3 (and/or the second touch sensing signal S4) is transmitted to the third wires X ₁ ~X _m/d (and/or the fourth wires Y ₁ ~Y _n/d' ).

Moreover, the high voltage signal S5 can also be applied to all or a part of the pixel of the pixel electrode layer of the liquid crystal panel at the same time, so that the upper liquid crystal molecules and the adjacent liquid crystal molecules can be arranged more orderly.

Meanwhile, FIG. 18 (a), in the fifth time interval T5, the other high-voltage signal S7 has also been transmitted to the first conductive wires D ₁ ~ D _m, while the entire control panel (located in the pixel region comprising The liquid crystal molecules of the (display area) and the non-pixel area (non-display area) are arranged more orderly, so that the third wires X ₁ to X _m/d and/or the fourth wires Y ₁ to Y _{n /d'} When the touch detection is performed, the liquid crystal molecules in the vicinity are not interfered, and the third wires X ₁ to X _m/d and/or the fourth wires Y ₁ to Y _n/d' are further lifted. The accuracy of the detection. Moreover, the high voltage signal S7 can also be applied to all or a part of the pixel of the pixel electrode layer of the liquid crystal panel at the same time, so that the upper and adjacent liquid crystal molecules can be arranged more orderly.

Further, FIG. 18 (c), the high-voltage signal S5 (and / or S6) may be transmitted only to those third conductor X ₁ ~ X _{m / d} (and / or the fourth wire in the time interval T5 Y ₁ ~Y _n/d' ), and then transmitting the first touch sensing signal S3 (and/or the second touch sensing signal S4) to the third wires X ₁ ~X _m/d (and/or The fourth wire Y ₁ ~Y _n/d' ) is used for touch sensing.

Further, when the high-voltage signal S7 at the same time transmitted to the first conductive wires D ₁ ~ D _m, there is provided a backlight module of the liquid crystal panel, a light source (not shown) is temporarily closed or dark points of the backlight light source module.

In addition, before transmitting the touch sensing signal to the third wires X ₁ ~X _m/d or the fourth wires Y ₁ ~Y _n/d' , the third wires X ₁ ~X _m/ may be first _d or all of the third wires X ₁ to X _m and the fourth wires Y ₁ to Y _n/d' or the fourth wires Y ₁ to Y _{n are} grounded such that the third wires X ₁ to X _m/d and the like The noise or leakage on the fourth wire Y ₁ ~Y _n/d' can be removed through the grounding, thereby further improving the third wires X ₁ ~X _m/d and the fourth wires Y ₁ ~Y _n/d' The accuracy of touch detection.

Referring to FIG. 19, a third preferred embodiment of the method for transmitting and detecting a touch sensing signal is applied to a touch display 300. The touch display 300 includes a liquid crystal display 3 and a The capacitive touch sensing layer 4 on the liquid crystal display 3 includes a liquid crystal layer 31, a pixel electrode layer 32 disposed on the substrate 30, and a backlight module 33 located below the substrate 30. The pixel electrode layer 32 includes a plurality of first wires arranged in parallel, that is, data lines D ₁ to D _m as shown in FIG. ₁ , and a plurality of second wires staggered and parallel to the first wires, ie, scanning line G 1 shown in FIG. ₁ ~ G _n, the first conductive wires D ₁ ~ D _m are provided a first signal, i.e. data signals, and such a second conductor G ₁ ~ G _n is provided a second The signal, that is, the scanning signal, is used to drive the liquid crystal layer 31 for screen display. The capacitive touch sensing layer 4 includes a plurality of parallel third wires X ₁ ~X _m/k (k is a positive integer) as shown in FIG. 20, and a plurality of parallel and interlaced with the third wires. Four wires Y ₁ ~Y _n/k' (k' is a positive integer). And the like, the controller 13 is responsible for data shown in FIG driving the first conductive wires D ₁ ~ D _m, is responsible for driving the scanning controller 14 ₁ ~ G _n of such second conductor G, the first touch sensing detector 15 Responsible for detecting the signal, position and intensity of the touch of the third wire, and the second touch sensing detector 16 is responsible for detecting the signal that the fourth wire Y ₁ ~Y _n/k' is touched, Position, strength. And in a first time interval T1, the first wires D ₁ -D _m are provided with a first signal S1, and in a third time interval T3, the second wires G ₁ G G _n are provided with a second Signal S2 to drive the liquid crystal layer 31.

The method for transmitting and detecting the touch sensing signal is to transmit a high voltage signal S5 to the first wires D ₁ to D _m in a second time interval T2 after the first time interval T1, and/or or in a fourth time interval T4 after the third time interval T3, the transmission signal S6 to a high voltage such second wire ₁ ~ G _{n G,} and in the second time interval T2, the transmitting first touch The sensing signal S3 to the third wires X ₁ ~X _m/k , and/or in the fourth time interval T4, transmitting the second touch sensing signal S4 to the fourth wires Y ₁ ~Y _{n/k '} .

More specifically, as shown in FIG. 21, the data controller 13 may first transmit the high voltage signal S5 to the first wires D ₁ to D _m in a previous time interval t1 in the second time interval T2 (see FIG. 1). Then, the first touch sensing signal S3 is transmitted by the first touch sensing detector 15 to the third wires X ₁ ~X _m/k in a subsequent time interval t2 after the previous time interval t1. Similarly, shown in Figure 22, the scanning controller 14 in a fourth time interval T4 t3 earlier in a high-voltage signal S6 is transmitted first to the second wire such G ₁ ~ G _n, and the second touch sensing reconnaissance The detector 16 transmits the second touch sensing signal S4 to the fourth wires Y ₁ ~Y _n/k' at a later time t4 in the fourth time interval T4. Furthermore, also a high voltage signal S5 are transmitted earlier in the section t1, t3 in, S6 to such all or a portion of the first wire D ₁ ~ D _m and the second wire such G ₁ ~ G _n and even the high voltage transmission signals S5, S6 for the pixel electrode layer of all or part of the pixel electrode area of the liquid crystal panel; while also sensing signal are respectively transmitted to the first touch and the second touch sensing signal S3 to S6 such third conductor X ₁ ~X _m/k and the fourth wires Y ₁ ~Y _n/k' . Further, the high-voltage signal to the conveying S5, S6 to the first conductive wires when D ₁ ~ D _m and the second wire such G ₁ ~ G _n, the backlight module 33 is temporarily closed.

Thereby, the first touch sensing detector 15 performs touch sensing on the third wires X ₁ ~X _m/k and the second touch sensing detector 16 controls the fourth wires Y ₁ ~ prior to Y _{n / k 'for} touch sensing, to deliver high-voltage signal using S5, S6 to the first conductive wires D ₁ ~ D _m and the second wire such G ₁ ~ G _n, the liquid crystal layer 31 controls the entire The ordering of the liquid crystal molecules is such that the first touch sensing detector 15 and the second touch sensing detector 16 respectively respectively the third wires X ₁ ~X _m/k and the fourth wires Y _{When 1} ~Y _{n/k' is} used for touch detection, it reduces or does not interfere with the uneven alignment of the liquid crystal molecules, and can further enhance the third wires X ₁ ~X _m/k and/or the fourth The accuracy of the wire Y ₁ ~Y _n/k' touch detection.

Of course, the above embodiment can also detect the third wires X ₁ ~X _m/k and the touches on the fourth wires Y ₁ ~Y _{n/k '} using only one touch sensing detector. Signal, and the absolute value of the above high voltage signal is ≧ 4V, and the bigger the better.

Furthermore, it is worth mentioning that before transmitting the touch sensing signal to the third wire and the fourth wire, the third wire and/or the fourth wire may be grounded, that is, connected to one. Common potential, for example, connecting a large capacitor or a large conductor or a ground plane of the circuit board, etc., so that the noise or leakage on the third conductor and/or the fourth conductor can be removed through the grounding. Thereby, the accuracy of the third wire and the fourth wire touch detection can be further improved.

In summary, the above embodiment transmits touch sensing on the wires of the active driving circuit of the driving flat display, the wires disposed in the active driving circuit, and the capacitive touch sensing layer of the touch display. Signal to detect the position or intensity of the touch, and to transmit the high voltage signal to the wire of the active driving circuit, the wire provided in the active driving circuit, and the wire or part of the electrode of the pixel electrode of the touch display, Or, before the touch sensing signal is transmitted, the wire of the active driving circuit, the wire provided in the active driving circuit, and the capacitive touch sensing layer of the touch display are grounded briefly, thereby improving the accuracy of the touch detection, and The efficacy and purpose of the present invention are achieved.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

3. . . LCD Monitor

4. . . Capacitive touch sensing layer

11. . . First wire (D ₁ ~D _m )

12. . . Second wire (G ₁ ~G _n )

13. . . Data controller

14. . . Scan controller

15. . . First touch sensing detector

16. . . Second touch sensing detector

30. . . Substrate

31. . . Liquid crystal layer

32. . . Pixel electrode layer

33. . . Backlight module

100, 200. . . Active drive circuit

300. . . Touch display

S1. . . First signal

S2. . . Second signal

S3. . . First touch sensing signal

S4. . . Second touch sensing signal

S5, S6, S7. . . High voltage signal

X ₁ ~X _m/d . . . First touch sensing line

Y ₁ ~Y _n/d' . . . Second touch sensing line

T1. . . First time interval

T2. . . Second time interval

T3. . . Third time interval

T4. . . Fourth time interval

T5. . . Fifth time interval

T6. . . Sixth time interval

X ₁ ~X _m/d . . . Third wire

Y ₁ ~Y _n/d' . . . Fourth wire

T1. . . First time interval

T2. . . Second time interval

T. . . cycle

X ₁ ~X _m/k . . . Third wire

Y ₁ ~Y _n/k' . . . Fourth wire

T1, t3. . . Previous time interval

T2, t4. . . Later time interval

1 is a schematic diagram of an active driving circuit applied to a first preferred embodiment of a method for transmitting a touch sensing signal according to the present invention;

2 and 3 show that the first signal S1 of the first embodiment is transmitted in the first time interval T1, and the first touch sensing signal S3 is transmitted in a second time interval T2;

4 and FIG. 5 are diagrams showing that the second signal S2 of the first embodiment is transmitted in the third time interval T3, and the second touch sensing signal S4 is transmitted in the fourth time interval T4;

6 is a diagram showing that the second touch sensing signal S4 of the first embodiment is first mixed with the second signal S2 and then transmitted;

7 and FIG. 8 is a fifth time interval T5 before the second time interval T2 of the first embodiment is further transmitted a high voltage signal S5;

FIG. 9 is a diagram showing the first embodiment of the first touch sensing signal S3 and the high voltage signal S5 being mixed and then transmitted;

10 and FIG. 11 is a sixth time interval T6 before the fourth time interval T4 of the first embodiment is further transmitted a high voltage signal S6;

FIG. 12 is a diagram showing the first embodiment in which the second touch sensing signal S4 and the high voltage signal S5 are mixed and then transmitted;

FIG. 13 is a schematic diagram of another active driving circuit applied to the second preferred embodiment of the method for transmitting a touch sensing signal according to the present invention; FIG.

FIG. 14 is a diagram showing the second embodiment after transmitting the high voltage signal S5 to all the third wires, and then transmitting the touch sensing signal S3 to the third wires;

Figure 15 is a diagram showing the second embodiment of mixing the high voltage signal S5 with the touch sensing signal S3, and then transmitting to the third conductor;

FIG. 16 shows that the second embodiment sequentially transmits the high voltage signal S5 to the third wires X1 XXm/d in a first time interval t1, and sequentially transmits the first touch in a second time interval t2. Touching the sensing signal S3 to the third wires X1~Xm/d;

17 shows a second embodiment in the first time interval t1 of the period T, first transmitting a high voltage signal S5 to a third conductor, and transmitting a touch sensing in a second time interval t2 after following the first time interval t1. Signal S2 is given to the third wire;

(a) and (b) of FIG. 18 are diagrams showing that the high voltage signal S5 of the second embodiment is transmitted to the third and/or fourth conductors during the time interval T1 of the first conductors transmitting the data signals. And transmitting the touch sensing signal S3 to the third wire and/or the fourth wire in the time interval T5 after the connection time interval T1, and at the same time, in the time interval T4, a high voltage signal S7 is transmitted to the first a wire, (c) shows that the high voltage signal S5 can also be transmitted to the third wire and/or the fourth wire in the time interval T4, and then the touch sensing signal S3 is transmitted to the third wire and/or the Four wires

FIG. 19 is a schematic diagram of a touch display device according to a third preferred embodiment of the method for transmitting a touch sensing signal, the touch display device includes a liquid crystal display and a capacitive touch sensor disposed on the liquid crystal display Floor;

20 is a schematic structural view of a capacitive touch sensing layer of a third embodiment;

21 is a diagram showing that the third embodiment transmits the high voltage signal S5 to the first wires at a time t1 of the second time interval T2, and transmits the touch sensing signal S3 at a later time t2 of the second time interval T2. To the third conductor; and

FIG. 22 is a diagram showing that the third embodiment transmits the high voltage signal S6 to the second wires at a time t3 of the fourth time interval T4, and transmits the touch sensing signal S4 at a later time t4 of the fourth time interval T4. To the fourth wire.

T1. . . First time interval

T2. . . Second time interval

S1. . . First signal

S3. . . First touch sensing signal

Claims (37)

A method for transmitting and detecting a touch sensing signal is applied to an active driving circuit, the active driving circuit includes a plurality of first wires arranged in parallel, and a plurality of second wires staggered and parallel to the first wires The first wires are provided with a first signal, and the second wires are provided with a second signal. The method for transmitting the touch sensing signals includes: selecting a plurality of first wires from the first wires as a first touch sensing line, wherein the plurality of second wires are selected as the second touch sensing lines; and the first signal is transmitted to the first touch sensing lines or the second is transmitted And transmitting a touch sensing signal to at least one of the first touch sensing line or the second touch sensing line; and detecting the first a signal on at least one of the touch sensing line or the second touch sensing line to extract a detecting signal corresponding to the touch sensing signal from the middle to determine the location of the touch Or intensity, signal. According to the method of transmitting and detecting a touch sensing signal according to the first aspect of the patent application, wherein the first sensing signal is transmitted to the first touch sensing lines, the first signal is in a first time interval. Transmitting, the touch sensing signal is transmitted in a second time interval after or outside the first time interval, or the touch sensing signal is transmitted in the second time interval, and the first signal is in the first time The first time interval is transmitted after or outside the two time interval. According to the method of transmitting and detecting a touch sensing signal according to the first aspect of the patent application, wherein the touch sensing signal is transmitted to the second touch sensing lines, the second signal is in a third time interval. Transmitting, the touch sensing signal is transmitted in a fourth time interval after or outside the third time interval, or the touch sensing signal is transmitted in the fourth time interval, and the second signal is in the The third time interval is transmitted after or outside the four time interval. The method for transmitting and detecting a touch sensing signal according to the first aspect of the patent application, wherein the touch sensing signal is transmitted to the second touch sensing lines, and the second signal may be a pulse or a square wave signal. And the second signal is mixed with the touch sensing signal and then transmitted to the second touch sensing lines. The method for transmitting and detecting a touch sensing signal according to claim 2, wherein a high voltage signal is transmitted to the first touch sensing line or a fifth time interval before the second time interval The first wires. The method for transmitting and detecting a touch sensing signal according to the second aspect of the patent application, wherein the touch sensing signal is further mixed with a high voltage signal, and then transmitted to the first touch sensing lines or the Wait for the first wire. A method for transmitting and detecting a touch sensing signal according to claim 3, wherein a sixth time interval before the fourth time interval further transmits a high voltage signal to the second touch sensing lines or The second wires. The method for transmitting and detecting a touch sensing signal according to the third aspect of the patent application, wherein the touch sensing signal is further mixed with a high voltage signal, and then transmitted to the second touch sensing lines or the like The second wire. The method for transmitting and detecting a touch sensing signal according to any one of claims 5 to 8, wherein the active driving circuit is applied to a display, and the high voltage signal is also applied to the display. A pixel electrode of all or part of the region of the pixel layer. The method for transmitting and detecting a touch sensing signal according to claim 4, wherein the frequency of the touch sensing signal is at least 30 times the frequency of the second signal. The method for transmitting and detecting a touch sensing signal according to the first aspect of the patent application, wherein the touch sensing signal can be a square wave, a triangular wave or a sine wave. The method of transmitting and detecting a touch sensing signal according to the first aspect of the patent application, wherein the touch sensing signal is transmitted to the first touch sensing line or the second touch sensing line at least Before one of the first touch sensing lines or the second touch sensing lines, at least one of the first touch sensing lines or the second touch sensing lines is grounded, connected to a conductor or connected to a large capacitor. According to the method of transmitting and detecting a touch sensing signal according to claim 1, wherein a data controller transmits the first signal to the first wires, and the data controller transmits the touch sensing signal to The first touch sensing line, and a scan controller transmits the second signal to the second wires, and the scan controller transmits the touch sensing signal to the second touch sensing lines, and The touch sensing detector is electrically coupled to the first touch sensing lines to detect the first touch sensing lines and to extract the detecting signals corresponding to the touch sensing signals from the middle, and the touch The sensing sensor is electrically coupled to the second touch sensing lines to detect the second touch sensing lines and to extract the detecting signals corresponding to the touch sensing signals. The method for transmitting and detecting a touch sensing signal according to the first aspect of the patent application, wherein the active driving circuit is applied to a display, and the first touch sensing lines and the second touch sensing lines are One of the electrodes is a common electrode line, and the display further includes a switch circuit electrically coupled to the common electrode lines, wherein the common electrode lines are switched as a common electrode or as a transmission according to a timing of signal transmission. Inductive signal sensing line. The method for transmitting and detecting a touch sensing signal according to the first aspect of the patent application, wherein the active driving circuit is applied to a display, and one of the displays is driven by the first wires and the second wires Liquid crystal layer. A display having an active driving circuit comprising a plurality of first conductors distributed in parallel, a plurality of second conductors staggered and parallel to the first conductors, the first conductors being provided with a first The second lead is provided with a second signal, and the active driving circuit applies the method for transmitting and detecting the touch sensing signal as described in any one of claims 1 to 12. The display of claim 16, wherein the display is a liquid crystal display comprising a liquid crystal layer, and the liquid crystal layer is driven by the first wires and the second wires of the active driving circuit. The display of claim 16 or 17, wherein the display is a liquid crystal display, a germanium-based liquid crystal microdisplay, an electrowetting display, an electrophoretic display, or an organic light emitting diode display. A method for transmitting and detecting a touch sensing signal is applied to an active driving circuit, the active driving circuit includes a plurality of first wires arranged in parallel, and a plurality of second wires staggered and parallel to the first wires , a plurality of third wires disposed inside, outside or around the active driving circuit, and a plurality of fourth wires interleaved with the third wires in an inner, outer or peripheral portion of the active driving circuit, the first The wire is provided with a first signal, and the second wire is provided with a second signal. The method for transmitting the touch sensing signal includes: transmitting a high voltage signal and a touch sensing signal to the third wire or the like And detecting at least one of the fourth wires and at least one of the third wires or the fourth wires to extract a detection signal corresponding to the touch sensing signal And to determine the location or intensity of the touch. The method for transmitting and detecting a touch sensing signal according to claim 19, wherein the high voltage signal is first synchronously transmitted to the first wires or the second wires or the third wires or At least one of the fourth wires transmits the touch sensing signals to at least one of the third wires or the fourth wires. The method for transmitting and detecting a touch sensing signal according to claim 19, wherein the high voltage signal is mixed with the touch sensing signal, and then transmitted to the third wire or the fourth At least one of the wires. The method for transmitting and detecting a touch sensing signal according to claim 19, wherein the high voltage signal is sequentially transmitted to the third wire and the fourth wire in a first time interval. And then transmitting the touch sensing signal to at least one of the third wire or/and the fourth wires in a second time interval. A method for transmitting and detecting a touch sensing signal according to claim 19, wherein at least one of the third wire and the fourth wire is transmitted by the high voltage in a first time interval And transmitting and detecting the touch sensing signal in a second time interval after or outside the first time interval. The method of transmitting and detecting a touch sensing signal according to any one of the claims 19 to 23, wherein the touch sensing signal is transmitted to at least the third wire and the fourth wire. At the same time, the high voltage signal is also transmitted to the first wires and the second wires. A method for transmitting and detecting a touch sensing signal according to any one of claims 19 to 23, wherein the active driving circuit is applied to a display, and the high voltage signal is also applied to a picture of the display. A pixel electrode of all or part of the region of the element electrode layer. A method of transmitting and detecting a touch sensing signal according to any one of claims 19 to 23, wherein the high voltage signal has an absolute value of ≧4V. The method for transmitting and detecting a touch sensing signal according to claim 22 or 23, wherein the first time interval is ms0.5 ms. The method of transmitting and detecting a touch sensing signal according to claim 19, wherein before transmitting the touch sensing signal to at least one of the third wire and the fourth wire, At least one of the third wire and the fourth wire is grounded, connected to a conductor or connected to a large capacitor. Transmitting and transmitting according to any one of claims 19 to 23 of the patent application A method for detecting a touch sensing signal, wherein the active driving circuit is applied to a display, and the liquid crystal layer of one of the displays is driven by the first wires or the second wires. A display having an active driving circuit, the active driving circuit comprising a plurality of first wires arranged in parallel, a plurality of second wires staggered and parallel to the first wires, and a plurality of wires disposed inside the active driving circuit a third wire externally or peripherally, and a plurality of fourth wires interleaved with the third wires at an inner, outer or periphery of the active driving circuit, the first wires being provided with a first signal, and the first wires are provided with a first signal The second wire is provided with a second signal, characterized in that the active driving circuit applies a method for transmitting and detecting a touch sensing signal as described in any one of claims 19 to 23. The display of claim 30, wherein the display is a liquid crystal display comprising a liquid crystal layer, and the liquid crystal layer is driven by the first wires and the second wires of the active driving circuit. The display device of claim 31, wherein the liquid crystal display comprises a backlight module providing a light source, and the method further comprises: transmitting the high voltage signal to the first wire and the second wire At the same time, the light source of the backlight module is turned off or dimmed while the touch sensing signal is transmitted to the third wire or the fourth wires. The display of claim 31, wherein the display is a liquid crystal display, a germanium-based liquid crystal microdisplay, an electrowetting display, an electrophoretic display, or an organic light emitting diode display. A method for transmitting and detecting a touch sensing signal, applied to a touch display The touch display includes a liquid crystal display and a capacitive touch sensing layer disposed above the liquid crystal display, the liquid crystal display comprising a liquid crystal layer, a plurality of first wires arranged in parallel, a plurality of strips and the plurality of a second wire having a staggered and parallel distribution of wires, and in a first time interval, the first wires are provided with a first signal, and in a third time interval, the second wires are provided with a second signal, Driving the liquid crystal layer; the capacitive touch sensing layer includes a plurality of third wires, and a plurality of fourth wires interleaved with the third wires; and the method for transmitting and detecting the touch sensing signals includes: Transmitting a high voltage signal to the first wires and transmitting a touch sensing signal to the third wires in a second time interval after or outside the first time interval, or after the third time interval or a fourth time interval, transmitting a high voltage signal to the second wires and transmitting a touch sensing signal to the fourth wires; and detecting the third wires or the fourth wires to Signal on one of them, from which to retrieve a sensing signal corresponding to the touch of a detection signal, and according to the position or strength of the touch is determined to occur. The method for transmitting and detecting a touch sensing signal according to claim 34, wherein the liquid crystal display comprises a backlight module for providing a light source, and the method further comprises: transmitting the high voltage signal to the first At the same time as the wires or the second wires, the light source of the backlight module is turned off or darkened. The method for transmitting and detecting a touch sensing signal according to claim 34, wherein before the transmitting the sensing signal to at least one of the third wire and the fourth wire, Wait for the third wire and these At least one of the fourth wires is grounded or connected to a large capacitance. A method for transmitting and detecting a touch sensing signal according to any one of claims 34 or 35, wherein the high voltage signal is also applied to all or part of a region of a pixel electrode layer of the liquid crystal display. Prime electrode.