TWI470530B - Touch sensors and touch display apparatus and driving method thereof - Google Patents

Description

Touch sensing component and touch display related device thereof and touch driving method thereof

The present invention relates to a touch sensing component and a touch driving method thereof, and more particularly to a dual mode touch sensing component and a touch driving method thereof, which can be input via a magnetic pen, an electromagnetic pen, and/or a finger Or conductive bars for multi-finger or multi-touch.

With the rapid development and application of information technology, wireless mobile communication and information appliances, in order to achieve more convenient carrying, lighter weight and more user-friendly operation, many electronic products have been input devices such as traditional keyboards or mice. Switching to using a touch panel as an input device.

According to the detection method, the touch panel has an electromagnetic induction method, an ultrasonic method, a capacitance method, a resistance film method, and the like. The capacitive touch panel detects the coordinates of the induced current generated by the touch position by utilizing the capacitance change generated by the electrostatic combination between the transparent electrode and the human body. The principle of induction is that voltage acts on the four corners of the screen sensing area and forms a fixed electric field. When the finger touches the screen, the electric field can induce current, which is determined by the controller, according to the ratio of the current to the four corners. The contact position can be calculated. The electromagnetic touch panel mainly includes three major components, (1) digital sensor board (2) ASIC-containing circuit controller board (3) pressure sensitive electromagnetic pen, technically utilizing specific The coil on the electromagnetic pen senses the change of the magnetic field induced by the antenna on the induction plate, and uses the weak current generated by it to calculate the contact coordinate.

The capacitive touch panel has waterproof, scratch-resistant, and high transmittance. And so on, so it is mainly used in higher-order products. However, since it detects the electric field through the change of the electric field on the screen surface, it cannot be written in pen style, especially the fine pen tip. Therefore, a new sensing method is needed to solve the above problems.

An object of the present invention is to provide a touch sensing method or a dual mode touch sensing method and an input device thereof. When the detection mode is dual mode touch sensing, it can be an electromagnetic touch sensing method, which can be magnetically Magnetic flux induction coil or pen device with components of (LC Loop) inductor-capacitor oscillator, pen tip pen with sharp sharpness and high precision, input with electromagnetic pen; and another capacitive touch sensing method with finger or conductive bar Multi-finger or multi-touch, or with resistive, or pressure-sensitive, or optical touch sensing. This can be combined with pen and finger input methods to better suit the different habits and applications of users.

Another object of the present invention is to provide a dual-mode touch sensing method and device thereof, which are better for friendly users by time-division switching between different detection modes, electromagnetic induction mode and capacitive mode or other touch sensing modes. Different habits and applications.

Another object of the present invention is to provide a driving method for sensing a touch sensing element, and sensing different sensing lines or sensing units by timing switching.

An aspect of the present invention provides a touch element including at least: a sensor; a plurality of first wires, a plurality of first direction selection lines, and a plurality of first direction transmission lines arranged in parallel in a first direction, Wherein the plurality of first direction selection lines and the plurality of first direction transmission lines have a phase Correspondingly arranged; and a plurality of second wires, a plurality of second direction selection lines, and a plurality of second direction transmission lines are arranged in parallel in a second direction and intersect with the first wires, wherein the plurality of second lines The direction selection line and the plurality of second direction transmission lines are arranged in a corresponding manner; wherein the sensor transmits a control signal to the plurality of first direction selection lines to switch the plurality of second lines and the plurality of lines And connecting a control signal to the plurality of second direction selection lines to switch a connection relationship between the plurality of first wires and the plurality of second direction transmission lines.

In an embodiment, the first direction selection line further includes a first direction first selection line, and the first direction transmission line further includes a first direction first transmission line, wherein the second direction selection line further includes a first The second direction first selection line further includes a second direction first transmission line.

In an embodiment, when the touch element performs a capacitive sensing touch application, the sensor transmits a control signal to the first direction first selection line to sequentially couple the second wires. Connected to the first direction of the first transmission line; and the sensor transmits a control signal to the second direction first selection line to sequentially couple the plurality of first wires to the second direction first transmission line, and An operation method is used to detect, sense the amount of charge of the touch, the capacitance sensing, or the signal of the voltage and current signals, and determine the position, distance, touch height and touch point of the induced change by numerical operation.

In an embodiment, the operation method is that the sensor respectively sends a detection signal to the second transmission line to the first transmission line in the first direction; and sends a detection signal to the first transmission line in the second direction to the first a wire for detecting the amount of charge, capacitance sensing, or voltage generated by each wire, The change of the current signal. The position, distance, touch height, and touch point where the induced change occurs are determined by numerical operations.

In an embodiment, the method is that the sensor sends a stimulation signal to the second wire through the first direction first transmission line; and sequentially detects each of the second transmission lines through the second direction. A signal change is induced by the first wire to detect a change in the amount of charge, capacitance sensing, or voltage and current signals generated by each wire. The position, distance, touch height, and touch point where the induced change occurs are determined by numerical operations.

In an embodiment, when the touch component performs a resistive or pressure sensitive, pressure sensitive, or optical sensing touch application, the sensor transmits a control signal to the first direction. The first selection line is configured to sequentially couple the second wires to the first direction first transmission line; and the sensor transmits a control signal to the second direction first selection line to make the plurality of lines first The wires are sequentially coupled to the first transmission line in the second direction, and an operation method is used to detect and sense signals such as voltage, current, and waveform of the touch, and determine the position, distance, touch height, and Touch the point.

Therefore, the method can also be used as a resistive type, or a pressure sensitive type, a pressure sensitive type, or an optical sensing touch.

In the above embodiment of the present invention, the plurality of first wires and the plurality of second wires of the touch element have a wire electrode structure that can be improved in design or in combination with a data line, a scan line, an auxiliary line, and an auxiliary line substrate. Lines such as bias lines or power lines, common electrode lines or signal lines, read lines, bias lines, control lines, or compensation circuits.

In another embodiment, the plurality of first wires and the plurality of second wires of the touch component have a wire electrode structure that can be improved in design or matched with a design. The data line and the scan line, the auxiliary line, the bias line or the power line, the common electrode line or the signal line, the read line, the bias line, the control line or the compensation circuit on the active array substrate of the display, but not An additional touch panel is required, which reduces the thickness of the display panel and reduces the process.

According to an embodiment, the plurality of first direction selection lines further include a first direction first selection line, a first direction second selection line, and a first direction third selection line, the plurality of first direction transmission lines further The first direction first transmission line, the first direction second transmission line, and the first direction third transmission line, wherein the plurality of second direction selection lines further comprise a second direction first selection line and a second direction The second selection line and the second direction third selection line further comprise a second direction first transmission line, a second direction second transmission line and a second direction third transmission line.

According to an embodiment, when the dual-mode touch component performs an electromagnetic touch application, the sensor transmits a first control signal to the first direction first selection line to make the second wires common The second transmission line is coupled to the first direction and the second control line is coupled to the first direction and the second transmission line. And the third control line is transmitted to the first direction third selection line, so that the second lines are sequentially coupled to the first direction third transmission line, wherein the third control signal lags behind The second control signal, the sensor transmits a fourth control signal to the second direction first selection line, so that the plurality of first wires are commonly coupled to the second direction first transmission line, and the sensor transmits a fifth control signal is sent to the second direction second selection line, so that the first wires are sequentially coupled to the second direction second transmission line, and the sensor transmits a sixth control signal to the second Third direction Selecting a line such that the second wires are sequentially coupled to the second direction third transmission line, wherein the sixth control signal lags behind the fifth control signal, and detects and senses magnetic flux by a first operation method. , electromagnetic induction, or voltage, current, frequency touch loop signal, numerical calculation to determine the position, distance, touch height and touch point of the induction loop change.

According to an embodiment, the first direction selection line further includes three or more selection lines and transmission lines of the first direction, wherein the second direction selection line further includes three or more selection lines and transmission lines of the second direction. At the same time, multiple detections of the loops are formed or a plurality of inductive detection lines are simultaneously formed.

According to an embodiment, the second control signal and the third control signal are a first square wave signal, and the fifth control signal and the sixth control signal are a second square wave signal; the first control signal and The fourth control signal can be a conduction signal, which can be a positive high voltage signal or a non-conduction signal, and can be a negative voltage signal or a low voltage signal. The square wave width W of the first square wave signal is: Where n is the total number of the second wires, z is the number of second wires that the first square wave signal can be simultaneously turned on, and T is the first square wave signal transmitted in the first direction and the second selection line and the first The time in one direction to the third selection line.

Wherein the square wave width W' of the second square wave signal is: Where m is the total number of the first wires, z is the number of first wires that the second square wave signal can be simultaneously turned on, and T' is the second selected line in which the second square wave signal is transmitted in the second direction and The second direction is the time on the third selection line.

According to an embodiment, the first direction second transmission line and the first direction third transmission line form a loop, and a stimulation signal has a frequency signal; the second direction second transmission line and the second direction third transmission line form a loop. The loop has a stimulus signal with a frequency signal.

According to an embodiment, the method further includes: a plurality of switching elements respectively located in the plurality of second wires and the plurality of first direction first selection lines, the plurality of first direction second selection lines, and the plurality of first directions in the first direction Selecting at an intersection of the plurality of lines, and respectively located in the first plurality of first lines of the plurality of lines and the first selection line in the second direction of the plurality of lines, the second selection line in the second direction of the plurality of lines, and the third selection line in the second direction of the plurality of lines At the intersection. The first control signal is configured to control the switching elements located at the intersection of the second plurality of wires and the first selection line of the plurality of first directions to be electrically connected, so that the plurality of first wires are commonly coupled to the second a second transmission line, wherein the second control signal is configured to control at least one switching element located at an intersection of the second plurality of wires and the second plurality of selection lines of the plurality of first directions to be electrically connected, such that the at least one second wire is coupled to The first direction second transmission line; the third control signal is configured to control at least one switching element located at an intersection of the plurality of second wires and the plurality of first direction third selection lines to be turned on, so that the at least one second wire The first direction second transmission line and the first direction third transmission line form a loop in the second direction, and a stimulation signal has a frequency signal; the fourth control signal is coupled to the first direction and the third transmission line. Controlling the switching elements at the intersection of the first plurality of wires and the first selection line of the plurality of second directions to be electrically connected, such that the first wires are coupled together A first transmission line in the second direction; the fifth control signal may control located And connecting at least one of the plurality of switching elements on the intersection of the plurality of first wires and the second plurality of second selection lines of the plurality of wires, such that at least one of the plurality of first wires is coupled to the second direction a second transmission line; and the sixth control signal is configured to control at least one of the switching elements located at an intersection of the plurality of first wires and the second plurality of third selection lines of the plurality of lines to be turned on, such that the plurality of At least one of the wires is coupled to the second direction third transmission line, and the second direction second transmission line and the second direction third transmission line form a loop in the first direction, and have a stimulation signal with a frequency signal .

According to an embodiment, the first operation method may be configured to respectively transmit a detection signal of a specific frequency, current, and waveform to the sequentially formed loops in the first and second directions to detect the first and the first The change of the magnetic flux, the electromagnetic induction or the voltage, the current and the frequency generated by the circuit in the second direction, wherein the sensor transmits and detects the detection signal to the first and second direction circuits to detect the circuits. Magnetic flux, electromagnetic induction, or voltage, current, frequency touch sensing loop signals. According to an embodiment, when the dual mode touch component performs a capacitive, resistive, pressure sensitive, or optical touch application, the sensor transmits a first control signal to the first direction. Selecting a line to interrupt coupling of the second wires to the first direction first transmission line; the sensor transmitting a second control signal to the first direction second selection line to cause the second wires to a second transmission line coupled to the first direction; and the sensor transmitting a third control signal to the first direction third selection line to interrupt coupling of the second wires to the first direction third transmission line The sensor transmits a fourth control signal to the second direction first selection line to interrupt the first guides a line is coupled to the second direction first transmission line; the sensor transmits a fifth control signal to the second direction second selection line to sequentially couple the plurality of first wires to the second direction a second transmission line; and the sensor transmits a sixth control signal to the second direction third selection line to interrupt the coupling of the second wire and the second direction third transmission line, and a second operation method To detect, sense the amount of charge of the touch, capacitive sensing, or the signal of the voltage and current signals, and determine the position, distance, touch height and touch point of the induced change by numerical operation. The method can also be used as a resistive or pressure sensitive, pressure sensitive or optical sensing touch to detect and sense the voltage, current and other signals of the touch by the second operation method, and determine the occurrence by numerical operation. Inductive change position, distance, touch height and touch point.

In an embodiment, the sensor further includes two or more sets of sensing signals for detecting, for example, simultaneously transmitting two sets of detection signals to the second direction to the second and third transmission lines. And transmitting two sets of detection signals to the first wire to the second and third transmission lines in the second direction, so as to detect a change in the amount of charge generated by each wire, a capacitance induction, or a change of a voltage or a current signal, thereby forming a plurality of Inductive detection lines.

In an embodiment, the method further includes dividing the plurality of first wires and the second wires into a plurality of groups, wherein each group includes at least two first wires or at least two second wires; and sequentially transmitting a detection signal to the plurality of groups a group, wherein the first wire and the second wire of each group receive or transmit the same detection signal and the sensing signal; and the second operation method detects and senses the touch signal, and uses a numerical operation to determine the position where the sensing change occurs. , distance, touch height and touch point. The second operation method is that the sensor respectively sends a detection signal to the second transmission line to the second transmission line in the first direction; and the The second direction second transmission line sends a detection signal to the first wire to detect the amount of charge generated by each wire, the capacitance sensing, or the change of the voltage and current signals. Or the second operation method is: the sensor sends a stimulation signal to the second wire through the first direction second transmission line; and sequentially detects each of the first wires through the second direction second transmission line A change in the signal sensed by the wire is used to detect the amount of charge generated by each wire, the capacitance sensing, or the change in voltage and current signals.

The method can also be used as a resistive or pressure sensitive, pressure sensitive or optical sensing touch to detect and sense the voltage, current and other signals of the touch by the second operation method, and determine the occurrence by numerical operation. Inductive change position, distance, touch height and touch point.

In the above embodiment of the present invention, the plurality of first wires and the plurality of second wires of the touch element have a wire electrode structure that can be improved in design or in combination with a data line, a scan line, an auxiliary line, and an auxiliary line substrate. Lines such as bias lines or power lines, common electrode lines or signal lines, read lines, bias lines, control lines, or compensation circuits.

In another embodiment, the plurality of first wires and the plurality of second wires of the touch element have a wire electrode structure that can be improved in design or matched with a data line, a scan line, an auxiliary line, and a design line on an active array substrate using a display. Wiring line or power line, common electrode line or signal line, read line, bias line, control line or compensation circuit, etc., without the need for additional touch panels, thus reducing the thickness of the display panel and reducing the process.

According to an embodiment, the sensor can be integrated into one of the display source driving circuit or the gate driving circuit, or the timing control circuit, or the sensing integrated circuit, or the baseband chip (mobile phone). . Or the sensing device a first sensing integrated circuit and a second sensing integrated circuit, wherein the first sensing integrated circuit is responsible for calculating electromagnetic position values and positions, and the second sensing integrated circuit is responsible for capacitive and pressing Sensing, pressure sensitive, optical touch values, position calculation.

In summary, the dual-mode touch sensing device of the present invention uses a control signal to select the detected wire electrode, so that the relevant selection circuit is not required, and the hardware cost can be greatly reduced, and the sensing and detection are greatly reduced. And the number of pull lines for the control signal. And only by controlling the selection signal, it is possible to switch between the capacitance detection mode and the electromagnetic detection mode in real time, so that the different habits and applications of the user can be better. The wire electrode structure can be improved in design or in combination with the data line and the scan line, the auxiliary line, the bias line or the power line, the common electrode line or the signal line, the read line, the bias line, and the control on the array substrate. Lines or compensation circuits, etc., without the need for additional touch panels and complex processes, thus reducing the thickness of the display panel.

The foregoing and other objects, features, and advantages of the invention are set forth in the <RTIgt; Before the present invention has been described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

FIG. 1A is a schematic diagram showing the structure of a touch element having a capacitive (resistive, pressure sensitive, optical, etc.) touch function according to a preferred embodiment of the present invention. The electrode structure of the touch element 100 of the present invention is formed on a substrate. The electrode structure includes: a plurality of first wires 1011 to 101m arranged in parallel with each other in a first direction (for example, a Y direction), and a plurality of A plurality of second wires 1021 to 102n are arranged in parallel with each other in a second direction such as the X direction. The first wires 1011-101m are formed on different layers of a substrate across the second wires 1021-102n, and the intersections are separated by an insulating layer. The first direction and the second direction are at an angle of 90 degrees in this embodiment. However, the angle of the angle is not limited to 90 degrees. For example, in other embodiments, the angle may be 60 degrees and 45 degrees. Degree, 36 degrees or 30 degrees, etc. The first wire and the second wire refer to an electrical conduction line, which may be a metal, an alloy wire, a transparent conductive material such as ITO, IZO, graphene or a carbon nanotube.

In addition, one side of the first wire 1011~101m is coupled to a first selection line G1 and a first transmission line L1, and the first selection line G1 is used to transmit a selection signal to control a portion of the first wire 1011~101m and the first A transmission line L1 is coupled to transmit a sensing signal for capacitive touch sensing. In one embodiment, the first wires 1011-101m are coupled to a first selection line G1 and a first transmission line L1 through a plurality of switching switches 1231-123m. The switching switches 1231 to 123m are, for example, thin film transistors, and the gates of the thin film transistors are respectively coupled to the first selection line G1. When the one-wave mode selection signal is transmitted on the first selection line G1, the thin film transistor that is driven by the square wave signal is turned on, so that the corresponding first wires 1011 to 101m and the first transmission line L1 are coupled to each other. Together, the sensor 105 can transmit a capacitive, resistive, pressure sensitive, or optical touch sensing detection signal to the coupled first wires.

On the other hand, one side of the second wires 1021 to 102n is coupled to a first selection line G1' and a first transmission line L1'. Wherein the first selection line G1' transmits a selection signal to control the portion of the second conductors 1021 to 102n and the first transmission Line L1' is coupled. The first transmission line L1' is used to transmit a sensing signal for capacitive touch sensing. In one embodiment, the second wires 1021 to 102n are coupled to the first selection line G1' and the first transmission line L1' through a plurality of switching switches 1531 to 153n. The switching switches 1531 153 153n are, for example, thin film transistors, and the gates of the thin film transistors are respectively coupled to the first selection line G1'. When the one-wave mode selection signal is transmitted on the first selection line G1', the thin film transistor that is driven by the square wave signal is turned on, so that the corresponding second wires 1021 to 102n and the first transmission line L1' are coupled. The sensor 105 can transmit a capacitive, resistive, pressure sensitive, or optical touch sensing detection signal to the coupled second wires.

The sensor 105 can perform calculation of touch values, positions, and height distances of capacitive, resistive, pressure sensitive, or optical touch sensing. The sensor 105 is used for stimulating, detecting or sensing. The first selection line G1 selects a part of the signal in the first lead 1011~101m, and stimulates, detects or senses, and the first selection line G1' selects the part. The signal in the two wires 1021~102n.

For example, in the case of capacitive touch sensing, when the self-capacitance sensing method is adopted, the first wires 1011 to 101m and the second wires 1021 to 102n respectively form a capacitance with the ground, that is, a self-capacitance, that is, an electrode pair. Ground capacitance. When the finger approaches or touches the touch screen, the capacitance of the finger will be superimposed on the capacitance of the first wire 1011~101m or the second wire 1021~102n and the ground respectively, causing the charge and capacitance to change, thereby detecting Measure the touch location. Accordingly, when self-capacitive sensing detection is performed, the sensor 105 transmits a control signal on the first control lines G1 and G1' to select the first wires 1011 to 101m and the second wires 1021 to 102n. To make the difference with the first The transmission lines L1 and L1' are connected. Then, the detection signals sent by the sensor 105 are respectively transmitted to the first wires 1011 to 101m and the second wires 1021 to 102n which are coupled thereto via the first transmission lines L1 and L1', and are respectively determined according to the change of the capacitance before and after the touch. Lateral coordinates and longitudinal coordinates are then combined into a planar touch coordinate.

On the other hand, if the mutual capacitance sensing method is adopted, the difference between the self-capacitance sensing detection and the self-capacitive sensing detection is that a capacitance is formed at the intersection of the first wires 1011 to 101m and the second wires 1021 to 102n, that is, the first A wire 1011~101m and a second wire 1021~102n respectively form two poles of the capacitor. When the finger touches the touch screen, the coupling between the two electrodes near the touch point is affected, thereby changing the charge and capacitance distribution between the two electrodes, and detecting the touch position. Therefore, in the mutual capacitance sensing detection, the excitation signals may be sequentially sent from the first wires 1011 to 101m, and the signals are simultaneously received by the second wires 1021 to 102n in sequence, that is, the detection signals sent by the sensor 105 are passed through The first transmission line L1 is sequentially transmitted to the first wires 1011 to 101m, and the detection signals on the second wires 1021 to 102n are transmitted back to the sensor 105 via the first transmission line L1'. Or the second wire 1021~102n sequentially sends an excitation signal, and the first wire 1011~101m simultaneously receives the signal, that is, the detection signal sent by the sensor 105 is sequentially transmitted to the second wire 1021 via the first transmission line L1'. 102n, and the detection signal on the first wire 1011~101m is transmitted back to the sensor 105 via the first transmission line L1. This gives the magnitude of the capacitance at the intersection of all lateral and longitudinal electrodes, ie the capacitance of the two-dimensional plane of the entire touch screen. According to the touch screen two-dimensional capacitance change data, the coordinates of the touch point are calculated. It is worth noting that the above method of selecting the first wire and the second wire may also be For resistive, pressure sensitive, pressure sensitive or optical.

On the other hand, the capacitive touch sensing conductive electrode of the present invention can also be combined with an active array, or the active array line can be directly used as the electrode of the capacitive touch element of the present invention, as shown in FIG. 1B. The first wires 1011~101m of the capacitive touch element of the present invention can be directly composed of the data lines DA1~DAm of one display. The second wires 1021 to 102n can be directly used by the scanning lines GA1 to GAn of the liquid crystal display. The sensors 403 and 404 can be respectively disposed in the gate driving circuit 401 and the source driving circuit 402 to perform touch detection in the X direction and the Y direction, respectively. Of course, the sensor 403 and the sensor 404 are also It can be set inside the timing control circuit or independently set around the active array. In this architecture, the sensor 404 sends a control signal with a positive high potential or a negative potential (or low potential) to turn on the switches 1231~123m to control the coupling of the data lines DA1~DAm with the first transmission line L1. . On the other hand, the sensor 403 sends a first control signal for turning on the changeover switches 1531~153n to control the coupling of the scan lines GA1~GAn with the first transmission line L1'. The switch can be formed by a thin film transistor or other components having the same function, and if formed by a thin film transistor, the switch can be formed on the periphery of the thin film transistor array substrate of the display or the liquid crystal display. And formed together with the thin film transistor in the display or the pixel array of the liquid crystal display, or directly formed together with the source driving circuit or the gate driving circuit, as shown in FIG. 1C. In addition, displays suitable for use include, but are not limited to, an active organic light emitting diode (AMOLED) display, a thin film transistor liquid crystal display, an electrophoretic display, or an electronic wetting (Electrode Wetting) display. The active array of the display can be transmissive, reflective or The partial reflection type array element is penetrated.

FIG. 2A is a schematic diagram showing the structure of a dual-mode touch element having electromagnetic touch and capacitive, or resistive, or pressure sensitive, or optical touch according to a preferred embodiment of the present invention. The electrode structure can simultaneously have an electromagnetic touch sensing function and a capacitive, or resistive, or pressure sensitive, or optical touch sensing function. Taking the capacitive example as an example, the electrode structure of the dual-mode touch element 101 of the present invention is formed on a substrate, and the electrode structure includes: a plurality of first lines arranged in parallel with each other in a first direction (for example, a Y direction) The wires 1011 to 101m and the plurality of second wires 1021 to 102n which are arranged in parallel with each other in a second direction such as the X direction. The first wires 1011-101m are formed on different layers of a substrate across the second wires 1021-102n, and the intersections are separated by an insulating layer. The first direction and the second direction are at an angle of 90 degrees in this embodiment. However, the angle of the angle is not limited to 90 degrees. For example, in other embodiments, the angle may be 60 degrees and 45 degrees. Degree, 36 degrees or 30 degrees, etc. The first wire and the second wire refer to an electrical conduction line, which may be a metal, an alloy wire, a transparent conductive material such as ITO, IZO, graphene, or a carbon nanotube.

In addition, one side of the first wire 1011~101m is coupled to a first selection line G1 and a first transmission line L1, and the other side is connected to a second selection line G2, a second transmission line L2, and a third selection. The line G3 is coupled to a third transmission line L3. The first selection line G1, the second selection line G2, and the third selection line G3 are configured to transmit a selection signal to control a portion of the first wires 1011 to 101m to be coupled. The first transmission line L1, the second transmission line L2, and the third transmission line L3 are used to transmit a sensing signal for capacitive touch sensing or electromagnetic touch sensing. In an embodiment, the first wire 1011~101m are coupled to a first selection line G1 and a first transmission line L1 through a plurality of switching switches 1231~123m. The first wires 1011 to 101m are coupled to the second selection line G2 and the second transmission line L2 through a plurality of switching switches 1331 to 133m. The first wires 1011 to 101m are coupled to the third selection line G3 and the third transmission line L3 through a plurality of switching switches 1431 to 143m. The switching switches 1231~123m, 1331~133m, and 1431~143m are, for example, thin film transistors, and the gates of the thin film transistors are respectively coupled to the first selection line G1, the second selection line G2, and the third selection line G3. . When the one-wave mode selection signal is transmitted on the second selection line G2 and the third selection line G3, the thin film transistor that is driven by the square wave signal is turned on, so that the corresponding first wires 1011 to 101m are coupled. Together, a sense loop is formed with the sensor 105.

On the other hand, one side of the second wires 1021 to 102n is coupled to a first selection line G1' and a first transmission line L1', and the other side is coupled to a second selection line G2' and a second transmission line L2. ', a third selection line G3' is coupled to a third transmission line L3'. The first selection line G1', the second selection line G2' and the third selection line G3' are used to transmit a selection signal to control the coupling of the second conductors 1021 to 102n of the portion. The first transmission line L1', the second transmission line L2', and the third transmission line L3' are used to transmit the sensing signals for capacitive touch sensing or electromagnetic touch sensing. In one embodiment, the second wires 1021 to 102n are coupled to the first selection line G1' and the first transmission line L1' through a plurality of switching switches 1531 to 153n. The second wires 1021 to 102n are coupled to the second selection line G2' and the second transmission line L2' through a plurality of switching switches 1631 to 163n. The second wires 1021 to 102n are coupled to the third selection line G3' and the third transmission line L3' through a plurality of switching switches 1731 to 173n. Switch 1531~153n, 1631~163n and 1731~173n, for example, a thin film transistor, the gates of the thin film transistors are respectively coupled to the first selection line G1', the second selection line G2' and the third selection line G3' . When the one-wave mode selection signal is transmitted on the second selection line G2' and the third selection line G3', the thin film transistor that is driven by the square wave signal is turned on, so that the corresponding second conductors 1021 to 102n are They are coupled together to form a detection loop with the sensor 105. .

The sensor 105 has a dual-mode function, and can perform capacitive, or resistive, or pressure-sensitive or optical touch values, position and height distance calculations, and electromagnetic touch values, positions, and height distances. Calculation. In one embodiment, the sensor 105 has first and second sensing integrated circuits, wherein the first sensing integrated circuit is responsible for the calculation of the capacitive touch value, the position and the height distance, and the second sensing integrated body. The circuit is responsible for the calculation of electromagnetic values, touch positions, and height distances. The sensor 105 is used for stimulating, detecting or sensing, the second selection line G2 and the third selection line G3 select a part of the signal in the first wire 1011~101m, and the stimulus, detection or induction, the second selection line G2' and the third selection line G3' select a portion of the signals in the second conductors 1021~102n.

FIG. 2B is a schematic diagram showing control signals used in Y-direction electromagnetic induction touch sensing according to an embodiment of the invention. When the electromagnetic induction touch sensing is performed, for example, the electromagnetic induction touch sensing of the first wires 1011 to 101 m in the Y direction is performed, the sensor 105 sends a first control signal 201 to the first selection line G1, so that the switching is performed. The switches 1231~123m are all turned on. If the switch 1231~123m is an N-type thin film transistor, the first turn-on signal 201 is a high potential signal, and the switch 1231~123m is a P-type thin film transistor. Control letter The number is a low-potential signal 201, which in the present embodiment is a high-potential signal, so that the first wires 1011 to 101m are coupled to the first transmission line L1 through the corresponding switching switches 1231 to 123m, respectively.

In addition, the sensor 105 also sends a second control signal 202 to the second selection line G2, wherein the second control signal 202 is a square wave signal, and the square wave width W1 of the square wave signal is equal to the first to be turned on. The scan time of the number of wires 1011~101m. For example, in a preferred embodiment, if the one-wave signal takes T time from scanning the first wire 1011~101m, the time for scanning each first wire 1011~101m is T/m, so scanning K first The time of the wire is T/m*K. Therefore, the square wave width W1 of the square wave signal is limited to:

Where z is the number of first wires to be turned on at the same time. In other words, if z is the number of first wires to be turned on at the same time, the square wave width formed must be less than (z+1) to avoid turning on the additional first wire. According to this, when the second control signal 202 is transmitted to the second selection line G2, the switching switch for receiving the square wave signal is turned on, so that the corresponding first wires are respectively coupled to the first through the switching switch of the conduction. Two transmission lines L2. The second control signal 202 is sequentially scanned by the switching switches 1331 to 133m, so that the first wires 1011 to 101m are sequentially coupled to the second transmission line L2 in groups of z.

On the other hand, the sensor 105 sends a third control signal 203 to the third selection line G3 after a period t of the second control signal 202 is sent. The magnitude of t time depends on the number of first wires that the loop formed is intended to surround. For example, if a loop is formed that encloses thirty first conductors, then t will be equal to T/m*30. That is, the sensor 105 sends a third control signal 203 to the third selection line G3 after the T/m*30 time sent by the second control signal 202. The third control signal 203 is also a square wave signal, and the square wave width W2 of the square wave signal is equal to the scanning time of the number of the first wires 1011 to 101m to be simultaneously turned on. For example, in a preferred embodiment, if the one-wave signal takes T time from scanning the first wire 1011~101m, the time for scanning each first wire 1011~101m is T/m, so scanning K first The time of the wire is T/m*K. Therefore, the square wave width W1 of the square wave signal is limited to:

Where z is the number of first wires to be turned on at the same time. In other words, if z is the number of first wires to be turned on at the same time, the square wave width formed must be less than (z+1) to avoid turning on the additional first wire. According to this, when the third control signal 203 is transmitted to the third selection line G3, the switching switch for receiving the square wave signal is turned on, so that the corresponding first wire is coupled to the switch through the conductive switches respectively. The third transmission line L3. The first control wires 203 to 101m are sequentially coupled to the third transmission line L3 in groups of z.

It should be noted that the square wave width W1 and the square wave width W2 may not be equal, that is, the sensor 105 may respectively send the second control signal 202 and the third control signal 203 having different square wave widths to the second selection line G2 and The third selection line G3 is coupled to the second transmission line L2 and the third transmission line L3 by different numbers of the first wires 1011 to 101m, respectively.

According to this, when the electromagnetic induction touch sensing in the Y direction is performed, if the shape is desired The circuit can surround the two first conduction lines, and the branch line of the circuit is also composed of two first conduction lines. Accordingly, the sensor 105 first sends a first control signal 201 to the first selection line G1, so that the switching switches 1231~123m are all turned on, and the first wires 1011~101m are respectively coupled through the corresponding switching switches 1231~123m. On the first transmission line L1. Then, the sensor 105 transmits the second control signal 202 to the second selection line G2, selects the two first wires to be coupled to the second transmission line L2, and transmits the third control signal 203 to the third selection line G3, and selects two One wire is coupled to the third transmission line L

In this embodiment, since both legs of the loop to be formed are composed of two first conductive lines, the square wave signal width W of the second control signal 202 and the third control signal 203 is controlled within the range of the following formula:

In addition, since the circuit to be formed can surround the loop of the two first conductive lines, the sensor 105 sends a third control signal 203 to the second after the T/m*2 time sent by the second control signal 202. Three selection lines G3.

In the electromagnetic sensing in the Y direction, taking the formed sensing circuit 107 as an example, wherein the high potential of the second control signal 202 causes the N-type switching switches 1331 and 1332 to be turned on, so that the first wires 1011 and 1012 respectively It is coupled to the second transmission line L2 through the changeover switches 1231 and 1232. The high potential of the third control signal 203 causes the N-type switching switches 1335 and 1336 to be turned on, so that the first wires 1015 and 1016 are coupled to the third transmission line L3 through the switching switches 1335 and 1336, respectively. This loop 107 encloses the two first conductors 1013 and 1014. Then, the sensor 105 can simultaneously transmit the sensing signals to the first wires 1011 and 1012 through the second transmission line L2, and receive the sensing signals transmitted back from the first wires 1015 and 1016 through the third transmission line L3, Detect whether the sensing signal changes to confirm whether the magnetic flux, electromagnetic induction, or voltage, current, and frequency touch sensing loop signals in the loop change. The sensed signal may be a linear superposition combination of a square wave, a triangular wave, a triangular wave or a plurality of square waves, and the amount of change of the sensing signal may be a waveform distortion degree, a signal mean value or a peak value change, a voltage or a current. The amount of change or the relative value of the above physical parameters, the integral value, the accumulated or accumulated value, and the like.

In addition, in the above method for forming a loop of the present invention, the second control signal 202 transmitted on the second selection line G2 and the third control signal 203 transmitted on the third selection line G3 are signals having a single square wave, Each of the formed loops is sequentially formed in accordance with the scanning order of the single square wave on the second selection line G2 and the third selection line G3. And the loops formed can overlap each other to avoid detecting "dead angles". For example, the two loops formed in sequence, the A loop and the B loop, wherein the area covered by the A loop and the area covered by the B loop may partially overlap. Accordingly, the dual mode touch element of the present invention controls the formation of the detection loop by the first control signal 201, the second control signal 202, and the third control signal 203, and does not require other control hardware components, and The control signal can change the size of the loop formed by the software, so that not only the hardware cost can be greatly reduced, but also the control method is simpler.

A similar method can also be used to perform electromagnetic induction touch sensing of the second wires 1021 to 102n in the X direction. FIG. 2C is a schematic diagram showing control signals used in X-direction electromagnetic induction touch sensing according to an embodiment of the invention. The sensor 105 sends a first control signal 301 to the first selection line G1. ', a second control signal 302 to the second selection line G2' and a third control signal 303 to the third selection line G3'. The first control signal 301 causes the second wires 1021 to 102n to be coupled to the first transmission line L1 ′ through the corresponding switching switches 1531 ～ 153 n . The second control signal 302 turns on the switchers 1631 163 163n in sequence, so that the corresponding second wires are commonly coupled to the second transmission line L2 ′ through the switched switches. The third control signal 304 turns on the switches 1731 to 173n in sequence, so that the corresponding second wires are coupled to the third transmission line L3 ′ through the switched switches. The second control signal 302 is a square wave signal, and the square wave width W1' of the square wave signal is equal to the scan time of the number of the second wires 1021 to 102n to be simultaneously turned on. For example, in a preferred embodiment, if the one-wave signal requires T' time from scanning the second wires 1021 to 102n, the time for scanning each second wire is T'/n, so the K second wires are scanned. The time will be T'/n*K. Therefore, the square wave width W1' of the square wave signal is limited to:

Where z is the number of first wires to be turned on at the same time.

Similarly, the third control signal 303 is also a square wave signal, and the square wave width W2' of the square wave signal is equal to the scan time of the number of the second wires 1021 to 102n to be simultaneously turned on. For example, in a preferred embodiment, if the one-wave signal requires T' time from scanning the second wires 1021 to 102n, the time for scanning each second wire is T'/n, so the K second wires are scanned. The time will be T'/n*K. Therefore, the square wave width W2' of the square wave signal is limited to:

Where K is the number of first wires to be turned on at the same time.

On the other hand, the sensor 105 sends a third control signal 303 to the third selection line G3 after a period t' sent by the second control signal 302. The magnitude of the t' time is the number of first conductors to be enclosed by the loop formed. For example, if a loop is formed that encloses the three first conductors, then t' will be equal to T/n*3. That is, the sensor 105 sends a third control signal 303 to the third selection line G3 after the T/n*3 time sent by the second control signal 302. Similarly, by controlling the output square wave signals of the second control signal 302 and the third control signal 303, a loop is sequentially formed on the second wire in the row X direction. In this way, if there are many group selection lines and The conduction line can simultaneously form multiple loops for sensing, which greatly shortens the sensing time.

In the X-direction electromagnetic sensing, the formed sensing circuit 108 is taken as an example, wherein the high potential of the second control signal 302 causes the N-type switching switches 1631 and 1632 to be turned on, so that the second wires 1021 and 1022 are respectively It is coupled to the second transmission line L2 ′ through the changeover switches 1631 and 1632 . The high potential of the third control signal 303 causes the N-type switching switches 1635 and 1636 to be turned on, so that the second wires 1025 and 1026 are coupled to the third transmission line L3' through the switching switches 1635 and 1636, respectively. This loop 108 encloses the two second conductors 1023 and 1024. Then, the sensor 105 can simultaneously transmit the sensing signals to the second wires 1021 and 1022 through the second transmission line L2', and receive the sensing signals returned from the second wires 1025 and 1026 to detect whether the sensing signal occurs. Change to confirm whether the magnetic flux, electromagnetic induction, or voltage, current, and frequency touch sensing loop signals in the loop change. The sensed signal may be a linear superposition combination of a square wave, a triangular wave, a triangular wave or a plurality of square waves, and the amount of change of the sensing signal may be a waveform distortion degree, a signal mean value or a peak value change, a voltage or a current. Change amount or on Relative values, integral values, accumulated or accumulated values of physical parameters, etc.

Therefore, when a user writes via a magnetic or pen 112 of a component of an LC Loop inductive capacitance oscillator, the magnetic flux, electromagnetic induction, or voltage, current, and frequency of the circuits 107 and 108 when the pen touches the sensing region 111 The touch sensing loop signal changes, and the amount of change changes the sensing signal in the loop 107 and the loop 108 and is detected by the sensor 105, thereby determining the overlapping area of the two loops 107 and 108, that is, sensing. The area 111 is the touch position of the user.

When the dual-mode touch device of the present invention can perform capacitive, resistive, or pressure-sensitive, or optical touch sensing, capacitive sensing is taken as an example, since it is not required to be formed in the X and Y directions. Any circuit, so the sensor 105 transmits a first control signal on the first control lines G1 and G1' to interrupt the connection between the first wires 1011-101m and the first transmission line L1, and interrupt the second wire 1021. The connection between ~102n and the first transmission line L1'. Then, according to the capacitive sensing method adopted, the self-capacitive sensing method or the mutual capacitive sensing method is used for scanning.

For example, when the self-capacitance sensing method is adopted, the first wires 1011 to 101m and the second wires 1021 to 102n respectively form a capacitance, that is, a self-capacitance, that is, a capacitance of the electrode to the ground. When the finger touches the touch screen, the capacitance of the finger will be superimposed on the capacitance formed by the first wire 1011~101m or the second wire 1021~102n and the ground respectively, causing the charge and the capacitance to change, thereby detecting the touch. position. Accordingly, when self-capacitive sensing detection is performed, the sensor 105 transmits a second control signal on the second control lines G2 and G2' to interrupt the gap between the first wires 1011-101m and the second transmission line L2. Connecting, and interrupting the second wires 1021 to 102n and the second transmission line L2' a connection between the third control lines G3 and G3', and a selection of the first wires 1011 to 101m and the second wires 1021 to 102n, which are respectively associated with the third transmission lines L3 and L3' connection. Then, the detection signals sent from the sensor 105 are respectively transmitted to the first wires 1011 to 101m and the second wires 1021 to 102n which are coupled thereto via the third transmission lines L3 and L3', and are respectively determined according to the change of the capacitance before and after the touch. Lateral coordinates and longitudinal coordinates are then combined into a planar touch coordinate.

On the other hand, if the mutual capacitance sensing method is adopted, the difference between the self-capacitance sensing detection and the self-capacitive sensing detection is that a capacitance is formed at the intersection of the first wires 1011 to 101m and the second wires 1021 to 102n, that is, the first A wire 1011~101m and a second wire 1021~102n respectively form two poles of the capacitor. When the finger touches the touch screen, the coupling between the two electrodes near the touch point is affected, thereby changing the charge and capacitance between the two electrodes, and detecting the touch position. Therefore, in the mutual capacitance sensing detection, the excitation signals may be sequentially sent from the first wires 1011 to 101m, and the signals are simultaneously received by the second wires 1021 to 102n in sequence, that is, the detection signals sent by the sensor 105 are passed through The second transmission line L2 is sequentially transmitted to the first wires 1011 to 101m, and the detection signals on the second wires 1021 to 102n are transmitted back to the sensor 105 via the second transmission line L2'. Or the second wire 1021~102n sequentially sends an excitation signal, and the first wire 1011~101m simultaneously receives the signal, that is, the detection signal sent by the sensor 105 is sequentially transmitted to the second wire 1021 via the second transmission line L2'. 102n, and the detection signal on the first wire 1011~101m is transmitted back to the sensor 105 via the second transmission line L2. This gives the magnitude of the capacitance at the intersection of all lateral and longitudinal electrodes, ie the capacitance of the two-dimensional plane of the entire touch screen. According to touch Touch the screen two-dimensional capacitance change data to calculate the coordinates of the touch point. Accordingly, when a user touches a position of the dual mode touch element of the present invention, two methods can be used, one is an electromagnetic induction touch method, and can be via a magnetic, magnetic flux induction coil or LC loop inductor. The components of the capacitor oscillator are written by a pen, and the brush stroke is sharp and fine. The other is capacitive touch sensing, which uses fingers or conductive bars for multi-finger or multi-touch, or resistive, optical, and pressure-sensitive touch-free touch. This is a multi-point multi-pen dual input method that combines pen and finger to better suit the different habits and applications of users. Moreover, the above-mentioned electromagnetic touch detection and capacitive touch detection can simultaneously perform position detection or select only one of the methods for detection according to the user's needs. At the same time, when using two methods for position detection, the user may also choose to perform electromagnetic touch detection and then perform capacitive touch detection, or perform capacitive touch detection and then perform electromagnetic touch detection.

In addition, the switching switch is not damaged, so that the corresponding first wire or the second wire cannot be coupled to the transmission line. Therefore, the present invention uses two selection lines to jointly control a first wire or a second wire to be coupled to a corresponding one of the transmission lines. As shown in Figure 2D. Thus, when one of the switching elements at the intersection of the selection line and the wire is broken, the wire can still be connected to the transmission line through the other switching element. Further, in another embodiment, as shown in FIG. 2E, the switching element may also use a double gate configuration.

On the other hand, the dual-mode touch-sensing panel conductive electrode structure of the present invention can be combined with the active array unit of a display, and the panel array electrode of the display can be directly used as the touch component and the dual-mode touch component of the present invention. electrode. Refer to Figure 3A for a display panel array electrode A schematic illustration in which the display panel is, for example, a liquid crystal display panel. The liquid crystal display panel is composed of crossed data lines DA1~DAm and scan lines GA1~GAn. Each pair of data lines and scan lines can control a pixel area, for example, data line DA1 and scan line GA1. Can be used to control a single pixel. The gate driving circuit 401 sequentially sends the scanning signals to the scanning lines GA1~GAn. When one of the scanning lines is scanned by the scanning signal, the thin film transistor connected to the scanning line is turned on, but is not scanned. The thin film transistor is turned off. When the thin film transistor of the column is turned on, the source driving circuit 402 sends the image signal to the data lines DA1~DAn to display the image. When the gate driving circuit 401 completes scanning of all the scanning lines, the display of a single image frame is completed, wherein the scanning of the scanning lines is repeated, so that the subsequent image fields are continuously displayed. The wire electrode structure of the dual mode touch element of the present invention can be composed of the data lines DA1~DAm and the scanning lines GA1~GAn of the liquid crystal display. Since the electrode structure uses the original data lines DA1~DAm and the scan lines GA1~GAn as standard processes on the original array substrate, the process steps or yield of the array substrate can be omitted.

Accordingly, the first wires 1011 to 101m of the dual mode touch element of the present invention can be directly composed of the data lines DA1 to DAm of one display. The second wires 1021 to 102n can be directly used by the scanning lines GA1 to GAn of the liquid crystal display. The sensors 403 and 404 can be respectively built in the gate driving circuit 401 and the source driving circuit 402 to perform touch detection in the X direction and the Y direction, respectively. In this architecture, the sensor 404 sends a first high-potential or negative-potential control signal to turn on the switches 1231~123m to control the data lines DA1~DAm and the first transmission line L1. Coupling, and a second control signal of a square wave waveform to the second selection line G2, to turn on the switching switches 1331~133m to select a data line coupled to the second transmission line L2, and a square wave waveform The three control signals are sent to the third selection line G3 to turn on the changeover switches 1431 to 143m to select the data line coupled to the third transmission line L3. On the other hand, the sensor 403 sends a first control signal for turning on the changeover switches 1531~153n to control the coupling of the scan lines GA1~GAn with the first transmission line L1', and a square wave waveform. The second control signal is sent to the second selection line G2' to turn on the switching switches 1631~163n to select the scanning line coupled to the second transmission line L2', and a third control signal of the square wave waveform to the third selection line G3. 'The scanning line coupled to the third transmission line L3' is selected by the conduction switching switches 1731 to 173n. Wherein, the operation method of the electromagnetic touch detection and the capacitive touch detection is performed by using the line of the display panel array shown in FIG. 3A and FIG. 3B, and the electromagnetic touch detection is performed with the dual mode touch element of FIG. 2A and The operation method of the capacitive touch detection is the same, and will not be described here. The switch can be formed by a thin film transistor or other components having the same function, and if formed by a thin film transistor, the switch can be formed on the periphery of the thin film transistor array substrate of the liquid crystal display, and the liquid crystal The thin film transistors in the display pixel array are formed together. In another embodiment, any one or both of the switches 1231~123m, 1331~133m or 1431~143m of the present invention may be formed in the source driving circuit 402. The switching switches 1531~153n, 1631~163n or 1731~173n can be formed in the gate driving circuit 401 in any one or both of the groups, as shown in FIG. 3B, one of the group switching switches 1231~ 123m is formed in the source driving circuit 402, and the switching switches 1531 to 153n are formed in the gate driving circuit 401.

In addition, displays suitable for use include, but are not limited to, an active organic light emitting diode (AMOLED) display, a thin film transistor liquid crystal display, an electrophoretic display, or an electronic wetting (Electrode Wetting) display. The display array can be a transmissive, reflective or partially transmissive partially reflective array element.

Therefore, when performing touch detection, if the electromagnetic touch detection is performed first and then the capacitive touch detection is performed, please refer to FIG. 2A and FIG. 4 at the same time. First, in step 501, a loop is formed by controlling one of the first wires to be coupled to a transmission line and sequentially selecting two transmission lines at the other end of the first wire. For example, the sensor sends a control signal to turn on the switches 1231 to 123m, so that the first wires 1011 to 101m are coupled to a transmission line L1 through the switches 1231 to 123m. And the sensor sends a control signal to turn on one of the switches 1331~133m, and another control signal turns on one of the switches 1431~143m, so that at least one first wire is coupled to a transmission line L2 through the switch, and The other at least one first wire is coupled to a transmission line L3 through the switch to form a loop between the first wires. Next, in step 503a, the sensor detects whether magnetic flux magnetic flux, electromagnetic induction, or voltage, current, and frequency touch sensing loop signal changes occur in each loop.

Next, in step 502, a control signal is used to control one end of the second wire to be coupled to a transmission line and sequentially select the other end of the second wire to form a loop. For example, the sensor sends a control signal to turn on the changeover switches 1531 to 153n, so that the second wires 1021 to 102n are coupled to a transmission line L1' through the changeover switches 1531 to 153n. . In addition, the sensor sends a control signal to turn on one of the switches 1631~163n, and another control The signal turns on one of the switches 1731 to 173n, so that at least one second wire is coupled to a transmission line L2' through the switch, and the other at least one second wire is coupled to a transmission line L3' through the switch. A loop is formed between the two wires. .

Next, in step 503b, the sensor detects whether a magnetic flux flux, an electromagnetic induction, or a voltage, current, or frequency touch sensing loop signal change occurs in each loop. For example, a sensing signal is sent from the sensor through the transmission line L2 to the loop formed between the first wires, and the sensing signal is recovered via the transmission line L3, and a loop formed between the second wires is transmitted through the transmission line L2'. Sensing the signal and transmitting the sensing signal via the transmission line L3' to detect whether the sensing signal changes to confirm whether the magnetic flux, electromagnetic induction, or voltage, current, and frequency touch sensing loop signals in the loop change. . The sensed signal may be a linear superposition combination of a square wave, a triangular wave, a triangular wave or a plurality of square waves, and the amount of change of the sensing signal may be a waveform distortion degree, a signal mean value or a peak value change, a voltage or a current. The amount of change or the relative value of the above physical parameters, the accumulated or accumulated value, etc., thereby completing the electromagnetic touch detection.

Then, the present invention performs capacitive touch detection again. At this time, in step 504, the sensor interrupts the connection between the first wires and interrupts the connection between the second wires. By step 505, it is detected whether the capacitance value changes or the display screen of the display is performed. For example, when the self-capacitance sensing mode is adopted, the detection signals are respectively transmitted to the first wire and the second wire, and according to the capacitance before and after the touch. The changes, respectively determine the lateral coordinates and the longitudinal coordinates, and then combine them into a planar touch coordinates. On the other hand, if the mutual capacitance sensing method is adopted, the excitation signal can be sequentially sent from the first wire and simultaneously received by the second wire. The signal is outputted by the second wire in turn, and the signal is simultaneously received by the first wire, so that the capacitance value of all the intersections of the lateral and longitudinal electrodes, that is, the capacitance of the two-dimensional plane of the entire touch screen can be obtained. According to the touch screen two-dimensional capacitance change data, the coordinates of the touch point are calculated. On the other hand, if the capacitive touch detection is performed first and then the electromagnetic touch detection is performed, the same can be said.

In addition, the touch element and the dual-mode touch element of the present invention can be co-constructed or matched with an image sensing array such as a CCD, a CMOS, an optical sensing element, or an X-ray. The sensing image array can be used to capture an image or gesture, an expression, and the sensing device can analyze, compare, correlate, and react.

On the other hand, the touch sensing panel conductive electrode structure of the present invention can be combined with an array electrode, and the array electrode can be directly used as the electrode of the capacitive touch element of the present invention. For example, a line directly using a CCD, a CMOS, an optical sensing element, or an X-ray sensing image array is used as the first wire and the second wire of the touch element. The sensing image array can be used to capture an image or gesture. The touch element of the present invention can be used for the position, height or touch "action" obtained by touch sensing. By performing a series of applications or establishing association and reaction actions and commands by comparing the position, height or touched "action" obtained by the image or gesture and touch component captured by the sensor image acquisition array. .

Accordingly, more applications can be added than conventional simple sensory image arrays and simple touch elements. For example, in combination with the gesture image captured by the sensor image acquisition array and the position obtained by the touch component sensing, different gestures and expression images can be correspondingly different under the same sensing position. use. In an embodiment, a sensing position can be used to open an image application for playing music or images. In a conventional simple touch component, if a user wants to view an image, a touch selection is required. However, if a sensor image acquisition array is added, when the image selection application is touched, different gestures can be used to directly select the music or image to be played, and a touch selection step is reduced.

FIG. 5 is a flow chart showing the operation of the touch element, the dual mode touch element of the present invention and the CCD, CMOS or X-ray sensing image array. First, in step 601, when a user approaches or touches a component that is co-constructed by a touch component and an inductive image taking array, the touch component will perform touch sensing detection in step 602, and the inductive image taking array is In step 603, image capture is performed. The touch sensing detection can perform a three-dimensional detection, step 604, or perform a position, reactive motion detection, step 605. The image sensing array can perform image scanning (such as X-ray, CMOS), step 606, image display on a display device, step 607, or gestures, actions, expression capture and judgment, etc., step 608. The captured image and the detected touch position are subjected to data comparison, comparison, processing, association and subsequent action responses and commands in step 609.

The association and reaction actions and commands include encryption, decryption, data operation or comparison, data transmission, display data or image, and image comparison. The gesture associated with the instruction or reaction further includes numbers or numbers, English letters, completion, OK, pause, crash, death, line, etc. associated commands or instructions, including good, great, bad, poor, dry, deaf, come, go Such as associated commands or emotional instructions. The expression or image associated instruction further includes related commands, emotions or instructions such as hi, anger, sadness, music, laughter, sadness, crying, anger, and the like.

In summary, the touch sensing device of the present invention utilizes a control The signal is selected to detect the wire electrode, so the relevant selection circuit is not required, and the hardware cost can be greatly reduced. And only by controlling the selection signal, it is possible to switch between the capacitance detection mode and the electromagnetic detection mode in real time, so that the different habits and applications of the user can be better. The wire electrode structure can be improved in design or in combination with the data line and the scan line, the auxiliary line, the bias line or the power line, the common electrode line or the signal line, the read line, the bias line, and the control on the array substrate. Lines such as lines or compensation circuits can be used without the need for additional touch panels, thus reducing the thickness of the display panel.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100‧‧‧Touch components

101‧‧‧ Dual mode touch elements

105, 403, 404‧‧‧ sensors

1011~101m‧‧‧First wire

1021~102n‧‧‧second wire

1231~123m, 1331~133m, 1431~143m, 1531~153n, 1631~163n, 1731~173n‧‧‧Switch

107, 108‧‧‧ circuit

111‧‧‧ Sensing area

112‧‧‧ stylus

401‧‧‧ gate drive circuit

402‧‧‧Source drive circuit

DA1~DAm‧‧‧ data line

GA1~GAn‧‧‧ scan line

G1, G1’‧‧‧ first choice line

L1, L1’‧‧‧ first transmission line

G2, G2’‧‧‧ second choice line

L2, L2’‧‧‧ second transmission line

G3, G3’‧‧‧ third option line

L3, L3’‧‧‧ third transmission line

W1, W2‧‧‧ square wave width

T‧‧‧ time

501~505‧‧‧Steps

601~609‧‧‧Steps

The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood. The description of the drawings is as follows: FIG. 1A shows a capacitive touch according to a preferred embodiment of the present invention. Schematic diagram of the function of the touch element.

FIG. 1B is a schematic diagram showing the use of a display panel electrode as a capacitive touch electrode in accordance with a preferred embodiment of the present invention. FIG. 1C is a schematic diagram showing the use of a display panel electrode as a capacitive touch electrode in accordance with another preferred embodiment of the present invention.

FIG. 2A is a schematic diagram showing the structure of a panel electrode of a dual mode touch sensing device according to a preferred embodiment of the present invention.

FIG. 2B is a diagram showing the Y-direction electromagnetic field according to an embodiment of the present invention. A schematic representation of the control signals used in sensing touch sensing.

FIG. 2C is a schematic diagram showing control signals used in X-direction electromagnetic induction touch sensing according to an embodiment of the invention.

2D is a schematic view showing the structure of a switch according to a preferred embodiment of the present invention.

FIG. 2E is a schematic view showing the structure of a switch according to another preferred embodiment of the present invention.

FIG. 3A is a schematic diagram showing the use of a display panel electrode as a touch electrode in accordance with a preferred embodiment of the present invention.

FIG. 3B is a schematic diagram showing the use of a display panel electrode as a touch electrode in accordance with another preferred embodiment of the present invention.

FIG. 3C is a schematic diagram showing the use of a display panel electrode as a touch electrode in accordance with still another preferred embodiment of the present invention.

Figure 4 shows a flow chart for performing capacitive touch detection and then capacitive touch detection.

FIG. 5 is a flow chart showing the operation of the touch element, the dual mode touch element of the present invention and the CCD, CMOS or X-ray sensing image array.

100‧‧‧Touch components

105‧‧‧Sensor

1011~101m‧‧‧First wire

1021~102n‧‧‧second wire

1231~123m, 1531~153n‧‧‧Switch

G1, G1’‧‧‧ first choice line

L1, L1’‧‧‧ first transmission line

Claims (34)

A touch component includes at least: a sensor; a plurality of first wires, a first direction selection line, and a first direction transmission line are arranged in parallel in a first direction, wherein the first direction selection line corresponds to the a first direction transmission line; and a plurality of second wires, a second direction selection line, and a second direction transmission line are arranged in parallel in a second direction, and the plurality of first wires, the first direction selection line, and the The first direction transmission line intersects, wherein the second direction selection line corresponds to the second direction transmission line; wherein the sensor transmits a control signal to the first direction selection line to switch the plurality of second lines and the first a connection relationship between the transmission lines in a direction, and a control signal is sent to the second direction selection line to switch a connection relationship between the plurality of first wires and the second direction transmission line, wherein the first direction selection line further includes a a first direction first selection line, a first direction second selection line, and a first direction third selection line, the plurality of first direction transmission lines further including a first direction a transmission line, a first direction second transmission line, and a first direction third transmission line, wherein the second direction selection line further includes a second direction first selection line, a second direction second selection line, and a second direction The third selection line further includes a second direction first transmission line, a second direction second transmission line, and a second direction third transmission line. The touch element as described in claim 1 of the patent scope, the sensor The transmitted control signal may be used to interrupt, or jointly couple, or switch a connection relationship between the plurality of second wires and the first direction transmission line, or may be used to interrupt, or jointly couple, or switch the plurality of lines a connection relationship between a wire and the second direction transmission line. The touch element of claim 1, further comprising: dividing the plurality of first wires and the second wires into a plurality of groups, wherein each group comprises at least two first wires, or at least two second wires; A detection signal is sequentially transmitted to the groups, wherein the first wire and the second wire in each group receive or transmit the same detection signal and the sensing signal. The touch element of claim 1, wherein the first wires and the second wires are made of a metal, an alloy wire, a transparent conductive material, ITO, IZO, graphene or a carbon nanotube CNT. form. The touch element of claim 1, wherein the first conductive lines or the second conductive lines are electrical conductive structure lines, which may be in the same layer or a plurality of layers that are turned on in the same direction after being turned on through the holes. Conductive electrode structure. The touch component of claim 1, wherein when the dual mode touch component performs an electromagnetic touch application, the sensor transmits a first control signal to the first direction first selection line. The second conductor is coupled to the first direction first transmission line, and the sensor transmits a second control signal to the first direction second selection line to enable the second guides. The line is sequentially coupled to the first direction second transmission line, and the sensor transmits a third control signal to the first direction third selection line to sequentially couple the second wires to the first a direction of the third transmission line, wherein the third control signal lags behind the second control signal, the sensor transmits a fourth control signal to the second direction first selection line to enable the plurality of first wires to be commonly coupled to The second direction of the first transmission line, the sensor transmits a fifth control signal to the second direction second selection line, so that the plurality of first wires are sequentially coupled to the second direction second transmission line, and the The sensor transmits a sixth control signal to the second direction third selection line, so that the first wires are sequentially coupled to the second direction third transmission line, wherein the sixth control signal lags behind the fifth Controlling the signal, and detecting and sensing the magnetic flux, electromagnetic induction, or voltage, current, and frequency touch loop signals by a first operation method, and determining the position, distance, touch height, and touch of the induced loop change by numerical operation Touch it. The touch element of claim 6, wherein the second control signal and the third control signal are a first square wave signal, and the fifth control signal and the sixth control signal are a second party Wave signal. The touch element of claim 7, wherein the square wave width W of the first square wave signal is: Where n is the total number of the second wires, z is the number of second wires that the first square wave signal can be simultaneously turned on, and T is the first square wave signal transmitted in the first direction and the first selection line and the first The direction of the third choice line. The touch element of claim 7, wherein the square wave width W' of the second square wave signal is: Where m is the total number of the first wires, z' is the number of first wires that the second square wave signal can be simultaneously turned on, and T' is the second selected line in which the second square wave signal is transmitted in the second direction and The second direction is the time on the third selection line. The touch element of claim 6, further comprising a plurality of switching elements respectively located in the plurality of second wires and the plurality of first direction first selection lines, and the plurality of first direction second selection lines And the intersection of the first plurality of first selection lines of the plurality of lines, and the first selection line in the second direction of the plurality of first lines and the plurality of second lines, the second selection line in the second direction of the plurality of lines, and the plural The second direction is at the intersection of the third selection line. The touch element of claim 10, wherein the plurality of switching elements are a thin film transistor. The touch element of claim 11, wherein the thin film transistor is a double gate thin film transistor or two or more thin film transistor switch combinations. The touch element of claim 6, wherein the first control signal controls the switching elements located at the intersection of the second plurality of wires and the first plurality of first selection lines of the plurality of first lines to be turned on, And the second control signal is coupled to the first transmission line in the second direction; the second control signal is configured to control at least one of the intersection of the second plurality of wires and the second selection line of the plurality of first directions The switching element is turned on, so that the at least one second wire is coupled to the first direction second transmission line; the third control signal is controllable at the intersection of the plurality of second wires and the plurality of first direction third selection lines The at least one switching element is electrically connected, the at least one second wire is coupled to the first direction third transmission line to form a loop in the second direction; the fourth control signal is controllable to the plurality of first wires The plurality of switching elements are electrically connected to the first selection line at the intersection of the plurality of second direction lines, so that the plurality of first wires are coupled to the second direction first transmission line; the fifth control signal is Controlling at least one of the switching elements located at an intersection of the first plurality of wires and the second selection line of the plurality of second directions to be electrically connected, such that at least one of the plurality of first wires is coupled to the first a second direction of the second transmission line; and the sixth control signal is operable to control at least one of the switching elements located at an intersection of the plurality of first wires and the plurality of third direction selection lines of the plurality of second directions to be turned on, such that At least one of the first wires is coupled to the third transmission line in the second direction to form a loop in the first direction; and is detected and sensed by a first operation method. The touch element of claim 6, wherein the The one direction selection line further includes three or more selection lines and transmission lines of the first direction, wherein the second direction selection line further includes three or more selection lines and transmission lines of the second direction, and the plurality of loops can be simultaneously formed. Detecting or simultaneously forming multiple sensing detection lines. The touch element of claim 13, wherein the first operation method may be: transmitting a detection signal of a specific frequency to the sequentially formed loops in the first and second directions, respectively, to detect the a change in magnetic flux, electromagnetic induction or voltage, current, and frequency generated in the circuit in the second direction, wherein the sensor transmits the detection signal of the specific frequency to the first and second direction circuits to detect the The magnetic flux, electromagnetic induction, or voltage, current, and frequency touch sensing loop signals of each circuit. The touch component of claim 1, wherein the sensor transmits a first control when the touch component performs a capacitive, resistive, pressure sensitive, or optical sensing touch application. Transmitting a signal to the first direction first selection line to interrupt coupling of the second wires to the first direction first transmission line; the sensor transmitting a second control signal to the first direction second selection line The second wires are sequentially coupled to the first direction second transmission line; and the sensor transmits a third control signal to the first direction third selection line to interrupt the second wires and the The first direction is coupled to the third transmission line; the sensor transmits a fourth control signal to the second direction first selection line to interrupt coupling of the plurality of first wires to the second direction first transmission line; The sensor transmits a fifth control signal to the second direction second selection line to sequentially couple the plurality of first wires to the second direction and the second pass And the sensor transmits a sixth control signal to the second direction third selection line to interrupt the coupling of the second wires to the second direction third transmission line, and a second operation method To detect, sense the amount of charge of the touch, capacitive sensing, or the signal of the voltage and current signals, and determine the position, distance, touch height and touch point of the induced change by numerical operation. The touch component of claim 16, wherein the sensor can simultaneously detect two or more sets of sensing signals, and send two sets of detections to the second and third transmission lines in the first direction. Signaling to the second wire; and transmitting two sets of detection signals to the first wire to the second and third transmission lines in the second direction to detect the amount of charge generated by each wire, capacitance sensing, or voltage and current signals The change forms a plurality of inductive detection lines. The touch element of claim 16, wherein the second operation method is that the sensor respectively sends a detection signal to the second wire to the first direction and to the second wire; and the second direction The second transmission line sends a detection signal to the first wire to detect a change in the amount of charge, capacitance sensing, or voltage and current signals generated by each wire. The touch device of claim 16, wherein the second operation method is that the sensor sends a stimulation signal to the second wire through the first direction second transmission line; and sequentially transmits the first a second transmission line for detecting the signal change induced by each of the first wires to detect the amount of charge, capacitance sensing, or voltage generated by each of the wires, The change of the current signal. The touch element of claim 1, wherein the sensor can be integrated into a source driving circuit or a gate driving circuit or an integrated circuit of an active array unit. The touch element of claim 1, wherein the first direction selection line, the first direction transmission line, the second direction selection line, and the second direction transmission line are partially integrated into an active array. One of the cells is a source driver circuit or a gate driver circuit or an integrated circuit. The dual-mode touch element of claim 1, wherein the sensing device is a first sensing integrated circuit and a second sensing integrated circuit, wherein the first sensing integrated circuit is responsible for electromagnetic The calculation of the touch value and the position, the second sensing integrated circuit is responsible for the calculation of the capacitive, or resistive, or pressure sensitive, or optical touch values and positions. The touch element of claim 1, wherein the first wire or the second wire comprises at least a modified design or a scan line, a data line, an auxiliary line, and a common electrode designed from the active array unit. Line, signal line, read line, or control line. The touch element of claim 1, wherein the first wire or the second wire comprises at least one improved design or a scan line, a data line, an auxiliary line, and a partial offset of the active array designed from the display. Pressure line or Power line, common electrode line, signal line, read line, control line or compensation circuit line. The touch element of claim 24, wherein the display is an active organic light emitting diode, a thin film transistor liquid crystal display, an electrophoretic display or an electronic wetting (Electrode Wetting) display. The touch element of claim 24, wherein the active array of the display may be a transmissive, reflective or partially transmissive partially reflective array element. A photosensitive image capturing device having the touch element according to claim 1, wherein the photosensitive image capturing device uses a CCD, CMOS, optical sensing element or an X-ray sensing image taking array. The photographic imaging device of claim 27, wherein the first wire and the second wire of the touch component comprise at least one scan line, data line, auxiliary line, and signal of the image sensing array. Line, read line, control line. The photographic imaging device of claim 27, wherein the photographic imaging device is configured to capture images or gestures and expression data; the touch component is used to sense the obtained position, height or touch Action information. The photosensitive image capturing device according to claim 27, further comprising comparing, comparing, establishing, correlating, reacting, and commanding the data captured by the photosensitive image capturing device and the data sensed by the touch component. The photosensitive image capturing device according to claim 27, wherein the establishing and reacting actions and commands further include a previous page, a next page, entering, canceling, zooming in, zooming out, flipping, rotating, playing an image or music. , open programs, start, hibernate, close, etc. actions or commands. For example, in the photosensitive image taking device described in claim 27, the association and reaction actions and commands further include encryption, decryption, data operation or comparison, data transmission, display data or image, and image comparison. The photosensitive imaging device of claim 27, wherein the association and reaction further include a number or number, an English letter, a completion, an OK, a pause, a crash, a dead, a trip, a call, a go, and the like. instruction. For example, in the photosensitive image taking device described in claim 27, the association and reaction include, good, great, bad, poor, dry, sultry, happy, angry, sad, happy, laughing, sad, crying, angry Related commands, emotions, or instructions.