Touch sensing module and control method

Abstract

The invention provides a touch sensing module and a control method. The touch sensing module comprises a processing chip, a touch sensing module and a control module, a plurality of touch sensing units, wherein the plurality of touch sensing units form a sensing array; a plurality of wires, wherein each touch sensing unit in the plurality of touch sensing units is connected with the processing chip through one wire; the plurality of touch sensing units are in one-to-one correspondence with the plurality of wires; wherein the touch sensing module enables a near field communication function to multiplex at least two wires in the plurality of wires utilized by the touch sensing module enables a touch function.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of touch sensing technology, and more particularly to a touch sensing module and a control method. Background Art

[0002] Near field communication can exchange data when close to each other. It is evolved from the integration of contactless radio frequency identification (RFID) and interconnection technology. By integrating the functions of inductive card reader, inductive card and point-to-point communication on a single chip, mobile payment, electronic ticketing, access control, mobile identity recognition, anti-counterfeiting, etc. are realized by using mobile terminals or other terminal devices. The existing device near field communication method is realized by adding hardware, which requires IC and corresponding antenna design; this method not only increases the hardware configuration in the limited space of the device, but also has complex processes and is not easy to implement, and increases the hardware cost. Summary of the invention

[0003] The present application provides a touch sensing module, including:

[0004] Processing chip;

[0005] A plurality of touch sensing units, wherein the plurality of touch sensing units constitute a sensing array;

[0006] A plurality of routing lines, each of the plurality of touch sensing units is connected to the processing chip via a routing line; the plurality of touch sensing units correspond one to one to the plurality of routing lines;

[0007] in,

[0008] The touch sensing module enables a near field communication function to reuse at least two of the plurality of wires used by the touch sensing module to enable a touch function.

[0009] In one embodiment, it further includes:

[0010] At least one switch, the at least one switch is used for the touch sensing module to enable a near field communication function, and conducts and multiplexes at least two of the multiple wires used by the touch sensing module to enable a touch function to form a loop.

[0011] In one embodiment, the at least one switch comprises:

[0012] At least one first switch is far away from the processing chip, and the at least one first switch is located in the same row and arranged at intervals;

[0013] At least one second switch is close to the processing chip, and the at least one second switch is located in the same row and arranged at intervals.

[0014] In one embodiment, the routing of the multiple first touch sensing units belonging to the first row among the multiple touch sensing units serves as the target routing of the touch sensing module to enable the near field communication function, and the multiple first touch sensing units belonging to the first row are far away from the processing chip.

[0015] In one embodiment, it further includes:

[0016] A display panel, wherein the sensing array formed by the plurality of touch sensing units covers the display panel;

[0017] The processing chip works in cooperation with the driving lines and the data lines so that each pixel of the display panel is activated and displayed at a target time;

[0018] The processing chip is further configured to control the at least one switch via a target driving line.

[0019] In one embodiment, it further includes:

[0020] A display panel, wherein the sensing array formed by the plurality of touch sensing units covers the display panel;

[0021] A driving chip, wherein the driving chip cooperates with the driving lines and the data lines to enable each pixel of the display panel to be activated and displayed at a target time, and the driving chip is different from the processing chip;

[0022] The processing chip is further configured to control the at least one switch via a target control line.

[0023] In one embodiment, the processing chip is used to control the at least one switch to be turned off during a refresh period of a refresh cycle of the Nth frame and to control the at least one switch to be turned on during an idle period of the refresh cycle of the Nth frame.

[0024] The present application also provides a control method, including:

[0025] Get the enable signal;

[0026] In response to the enable signal, the near field communication function of the touch sensing module is enabled so that the touch sensing area of ​​the electronic device having the touch sensing module has the near field communication function; wherein, the touch sensing module enables the near field communication function to reuse at least two of the multiple lines used by the touch sensing module to enable the touch function.

[0027] In one embodiment, enabling the near field communication function of the touch sensing module includes:

[0028] At least one switch is controlled to be turned on, wherein the at least one switch is connected to a target wiring, and the target wiring is a wiring of the touch sensing module that enables a near field communication function.

[0029] In one embodiment, enabling the near field communication function of the touch sensing module includes:

[0030] If display data of the Nth frame is obtained, the at least one switch is controlled to be turned off during a refresh period of a refresh cycle of the Nth frame and is controlled to be turned on during an idle period of the refresh cycle of the Nth frame.

[0031] Other features and advantages of the present application will be described in the following description, and partly become apparent from the description, or be understood by practicing the present application. The purpose and other advantages of the present application can be realized and obtained by the structures specifically pointed out in the written description, claims, and drawings.

[0032] The technical solution of the present application is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0034] Figure 1 Schematic diagram of the structure of the touch sensing module in the embodiment of the present application.

[0035] Figure 2 Schematic diagram of the wiring structure reused in the touch sensing module in another embodiment of the present application.

[0036] Figure 3 Schematic diagram of the enabling cycle of different functions in the touch sensing module in the embodiment of the present application.

[0037] Figure 4 Schematic diagram of the control method in the embodiment of the present application.

[0038] Reference numerals:

[0039] 1-touch sensing unit; 2-wiring; 3-processing chip; 4-first switch; 5-second switch. DETAILED DESCRIPTION

[0040] Below, specific embodiments of the present application are described in detail with reference to the accompanying drawings, but are not intended to limit the present application.

[0041] It should be understood that various modifications may be made to the embodiments disclosed herein. Therefore, the following description should not be considered as limiting, but merely as an example of an embodiment. Other modifications within the scope of the present disclosure will occur to those skilled in the art.

[0042] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the general description of the present disclosure given above and the detailed description of the embodiments given below, serve to explain the principles of the present disclosure.

[0043] These and other characteristics of the present application will become apparent from the following description of a preferred form of embodiment given as a non-limiting example with reference to the accompanying drawings.

[0044] It should also be understood that, although the present application has been described with reference to some specific examples, those skilled in the art will be able to realize many other equivalent forms of the present application that have the features described in the claims and are therefore within the scope of protection defined thereby.

[0045] The above and other aspects, features and advantages of the present disclosure will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.

[0046] Specific embodiments of the present disclosure are described hereinafter with reference to the accompanying drawings; however, it should be understood that the disclosed embodiments are merely examples of the present disclosure, which may be implemented in a variety of ways. Well-known and / or repeated functions and structures are not described in detail to avoid obscuring the present disclosure with unnecessary or redundant details. Therefore, the specific structural and functional details disclosed herein are not intended to be limiting, but merely serve as a basis and representative basis for the claims to teach those skilled in the art to use the present disclosure in a variety of ways with substantially any suitable detailed structure.

[0047] This specification may use the phrases "in one embodiment," "in another embodiment," "in a further embodiment," or "in other embodiments," all of which may refer to one or more of the same or different embodiments according to the present disclosure.

[0048] Below, embodiments of the present application are described in detail with reference to the accompanying drawings.

[0049] like Figure 1 As shown, the embodiment of the present application provides a touch sensing module, including:

[0050] Processing chip 3;

[0051] A plurality of touch sensing units 1, wherein the plurality of touch sensing units 1 constitute a sensing array;

[0052] A plurality of trace lines 2, each of the plurality of touch sensing units 1 in the plurality of touch sensing units 1 is connected to the processing chip 3 through a trace line 2; the plurality of touch sensing units 1 and the plurality of trace lines 2 are in one-to-one correspondence;

[0053] Among them,

[0054] The touch sensing module enables the near-field communication function to reuse at least two of the plurality of trace lines 2 utilized by the touch sensing module to enable the touch function.

[0055] The touch sensing module in this embodiment is applied to an electronic device, such as a mobile terminal, etc., and is not specifically limited. The touch sensing module includes a processing chip 3, a plurality of touch sensing units 1, and a plurality of trace lines 2. The plurality of touch sensing units 1 refer to a plurality of unit devices with touch sensing functions, such as sensors, electrodes, etc. The touch sensing unit 1 may only have a touch sensing function, and may also have other functions at the same time. For example, it may but is not limited to having a display function at the same time. Exemplarily, the touch sensing unit 1 may be integrated into a display module, and the display module is disposed in an electronic device, such as disposed in a display of an electronic device, so that the display can not only be used for display, but also have a touch sensing function, that is, through the display module, the display screen of the display can have both touch and display functions. The plurality of touch sensing units 1 are arranged in rows or columns to cooperate to form a sensing array. The plurality of trace lines 2 are respectively connected to each of the plurality of touch sensing units 1 to connect the connected touch sensing units 1 to the processing chip 3. That is, the plurality of trace lines 2 are respectively in one-to-one correspondence with the plurality of touch sensing units 1 and are correspondingly connected, so that each touch sensing unit 1 is connected to the processing chip 3 to receive the signal sent by the processing chip 3.

[0056] Among them, the touch sensing module in this embodiment can also enable the near-field communication function. For example, it enables the non-contact radio frequency identification (RFID) function. When it is integrated into an electronic device, the electronic device can realize the above non-contact radio frequency identification function only through the touch sensing module without adding additional near-field communication electronic accessories, and can realize functions such as swiping a bus card, access control, and mobile payment. Specifically, in this embodiment, when realizing the touch sensing module to enable the near-field communication function, the method adopted is to reuse at least two of the plurality of trace lines 2 utilized by the touch sensing module to enable the touch function, that is, to reuse at least two of the plurality of trace lines 2 to form a coil structure. At this time, as long as it cooperates with the signal wave transmitted by the processing chip 3, an induction coil can be formed to realize the near-field communication function.

[0057] Based on the above content, it can be known that the touch sensing module in this embodiment does not add any electronic accessories related to the realization of the near-field communication function, such as the corresponding IC chip, antenna structure, etc. It mainly reuses part of the routing 2 in the touch sensing module, and at the same time combines the signal transmitted by the processing chip 3 to enable the touch sensing module to enable the near-field communication function. In this way, the near-field communication function can be effectively realized without occupying the space resources of the device and without increasing the hardware resources.

[0058] In one embodiment, the touch sensing module further includes:

[0059] At least one switch, the at least one switch is used for the touch sensing module to enable the near field communication function, and is turned on and multiplexed to form a loop by at least two of the multiple wirings 2 used by the touch sensing module to enable the touch function.

[0060] Since each touch sensing unit 1 is connected to the processing chip 3 through an independent wire 2, any two touch sensing units 1 are not connected to each other. Therefore, if the multiplexed wires 2 (at least two wires 2 as mentioned above) are to cooperate with the signal wave output by the transmission processing chip 3 to form an induction coil, it is necessary to connect the multiplexed wires 2 and make them turned on when performing the near field communication function, and disconnected when realizing the touch sensing function, to ensure that the touch sensing units 1 connected to each wire 2 are independent of each other. To achieve this effect, at least one switch is provided in this embodiment, and the at least one switch is used to connect the multiplexed wires 2 mentioned above, so that two adjacent multiplexed wires 2 are connected through the switch.

[0061] Assume that the multiple touch sensing units 1 are arranged in rows and columns to cover the touch area (plane) of the electronic device, for example, the electronic device display screen, etc., and the processing chip 3 is arranged at the lower side of the touch area, and the multiple touch sensing units 1 are arranged in the touch area above the processing chip 3. At this time, one of the multiple routing lines 2 in each column of touch sensing units 1 can be selected for reuse, and the routing lines 2 selected for reuse in two adjacent columns of touch sensing units 1 are connected by switches. The multiple reused routing lines 2 connected by multiple switches need to be in a regular winding shape, such as an S shape, to meet the structural requirements of forming an induction coil. Multiple switches are connected to the processing chip 3 to be controlled to be turned on or off by the processing chip 3. Multiple switches can be turned on together or partially turned on, and they can all be controlled by the processing chip 3. For example, each switch has a number, and the processing chip 3 controls different switches to be turned on or off by selecting the number. In this embodiment, all the switches are turned on and off together as an example for explanation. In addition, the multiple switches may not be connected to the processing chip 3, but may be connected to other controllers and controlled by other controllers. The specific connection relationship and control relationship are not limited to the above examples.

[0062] Further, the at least one switch comprises:

[0063] At least one first switch 4 is far away from the processing chip 3, and the at least one first switch 4 is located in the same row and arranged at intervals;

[0064] At least one second switch 5 is close to the processing chip 3, and the at least one second switch 5 is located in the same row and arranged at intervals.

[0065] For example, continuing with the previous embodiment, still taking the selection of a multiplexed routing line 2 from a plurality of routing lines 2 in a plurality of columns of touch sensing units 1 as an example, a plurality of multiplexed routing lines 2 are connected in an "end-to-end manner" through a plurality of switches, so that the multiplexed wires are connected in series from top to bottom and then from bottom to top in the touch area to form a wavy shape, or a plurality of vertically arranged S-shaped coils are arranged in a horizontal direction and connected accordingly. For details, please refer to Figure 2 As shown. In order to make the routing lines 2 neat and the radiation capacity of the formed induction coil uniform, the length of each routing line 2 selected for reuse is the same. For example, based on the location of the processing chip 3, the routing lines 2 of the touch sensing units 1 located in the same row are selected for reuse in each column of touch sensing units 1, and multiple switches are used to arrange them in an up-and-down staggered manner, thereby connecting multiple routing lines 2.

[0066] Specifically, the multiple switches include at least one first switch 4 and at least one second switch 5, the at least one first switch 4 is far away from the processing chip 3, and connects the two adjacent multiplexed routing lines 2 far away from the processing chip 3, and the at least one second switch 5 is close to the processing chip 3, and connects the two adjacent multiplexed routing lines 2 near the proximal end of the processing chip 3, the first switches 4 and the second switches 5 are alternately arranged, and all the first switches 4 are located or approximately located in the same row in the horizontal direction, and the second switches 5 are located or approximately located in the same row in the horizontal direction. Through the connection of the first switches 4 and the second switches 5 to the multiple multiplexed routing lines 2, the multiple multiplexed routing lines 2 can be connected to form a plurality of coil units of uniform size and structure, and the multiple coils are connected in sequence to form as follows Figure 2 The structure shown.

[0067] The multi-row touch sensing unit 1 described in this embodiment is determined by the position of the processing chip 3 relative to the touch area on the electronic device. Figure 1 and Figure 2For example, the processing chip 3 is located below the touch area. In the plane where the touch area is located, the direction perpendicular to the processing chip 3 is the direction of the column where the touch unit is located. If the processing chip 3 is on the left or right side of the touch area in the figure, the horizontal rows of touch sensing units 1 in the touch area now correspond to the columns of touch sensing units 1. This can follow the direction of the wiring 2 to facilitate the layout of the switch.

[0068] In another embodiment, in order to improve the coil radiation capability and the near field communication capability of the touch sensing module, it is necessary to increase the size of the formed induction coil. Since the number and arrangement position of the touch sensing units 1 are fixed, in order to increase the size of the induction coil, the length of each coil unit should be lengthened to maximize its length within a limited range, while increasing the number of coil units. Therefore, in this embodiment, among the multiple touch sensing units 1, that is, in the array of touch sensing units 1, the wiring 2 connected to the multiple first touch sensing units 1 in the first row, for example, each touch sensing unit 1 in the first row is used as the first touch sensing unit 1, and the wiring 2 connected thereto is used as the target wiring 2 for enabling the near field communication function of the touch sensing module, that is, the reused wiring 2. Compared with other touch sensing units 1, the multiple first touch sensing units 1 belonging to the first row are the farthest from the processing chip 3.

[0069] In actual application, taking the application of touch sensing module in touch display screen as an example, it includes self-capacitive touch display screen and mutual-capacitive touch display screen. The following describes them respectively:

[0070] Embodiment 1:

[0071] When the touch sensing module is used to form a self-capacitive touch display screen, the touch sensing module further includes:

[0072] A display panel, wherein the sensing array formed by the plurality of touch sensing units 1 covers the display panel;

[0073] The processing chip 3 works in coordination with the driving lines and the data lines so that each pixel of the display panel is activated and displayed at a target time;

[0074] The processing chip 3 is further configured to control the at least one switch via a target driving line.

[0075] For example, including a display panel constituting a screen, a plurality of touch sensing units 1 are arranged in rows and columns on the display panel to form a sensing array. The processing chip 3 is connected with a driving line (Gate line) and a data line (Source line), and the driving line is used to activate the touch sensing unit 1 so that it can receive and respond to the signal transmitted by the data line to realize display. The data line and the driving line can form a routing line 2 connected to the touch sensing unit 1, or the data line and the driving line are separately arranged, and the driving line is independently connected to the touch sensing unit 1 through a driving logic circuit, and only the data line forms the routing line 2. When the data line forms the routing line 2, the switch is arranged between two adjacent multiplexed data lines to connect the two data lines. In order to drive the switch to open or close, each of the switches can be connected to a target driving line, and multiple target driving lines can be connected to the processing chip 3 after merging, or they can be connected to the processing chip 3 separately and independently. Alternatively, the processing chip 3 is connected to a target driving line, and the target driving line has multiple branches, each branch is connected to a switch, and the branches correspond to the switches one by one. The processing chip 3 directly controls the switch to be opened or closed through the target drive line. Alternatively, since the drive line is independently connected to the touch sensing unit 1, the target drive line in this embodiment can also be connected to the drive line to be connected to the processing chip 3 through the drive line. The processing chip 3 can input a signal indication to the target drive line through the drive line to control its opening or closing. As mentioned above, the switch in this embodiment is opened and closed at the same time, so the processing chip 3 only needs to transmit a set of signal indications. When the switch is closed, the reused wiring 2 is interconnected to form an induction coil for enabling near field communication. When the switch is turned on, each wiring 2 is independent and is used to enable touch sensing and display functions.

[0076] Embodiment 2:

[0077] When the touch sensing module is used to form a mutual capacitance touch display screen, the touch sensing module further includes:

[0078] A display panel, wherein the sensing array formed by the plurality of touch sensing units 1 covers the display panel;

[0079] A driving chip, which works in cooperation with the driving lines and the data lines so that each pixel of the display panel is activated and displayed at a target time, and the driving chip is different from the processing chip 3;

[0080] The processing chip 3 is further configured to control the at least one switch via a target control line.

[0081] For example, each touch sensing unit 1 in the touch sensing module can be an electrode unit, and multiple touch sensing units 1 are arranged to form two groups, one group of touch sensing units 1 is arranged horizontally to form a first touch sensing layer, and the other group of touch sensing units 1 is arranged vertically to form a second touch sensing layer. The first touch sensing layer and the second touch sensing layer are arranged at intervals and arranged on the display panel. The touch sensing module also includes a driving chip, which is connected to a driving line and a data line, so that each pixel unit in the display panel is activated at a specified time by using the driving line and the data line, and receives and responds to the display signal input by the data line to realize display. The processing chip 3 is different from the driving chip. The processing chip 3 is used to control multiple touch sensing units 1, and the driving chip is used to control each pixel unit in the display panel. When selecting the reused routing 2, only the first touch sensing layer or only the second touch sensing layer is selected, that is, only the routing 2 of one layer of touch sensing units 1 is reused. The selection of routing 2 and the setting of switches are as described above.

[0082] In order to drive the switch to open or close, each of the switches may be connected to a target drive line, and a plurality of target drive lines may be connected to the processing chip 3 after being merged, or may be connected to the processing chip 3 independently. Alternatively, the processing chip 3 is connected to a target drive line, and the target drive line has a plurality of branches, each branch is connected to a switch, and the branches correspond to the switches one by one. The processing chip 3 directly controls the switch to open or close through the target drive line.

[0083] Furthermore, the timing of opening and closing the switch by the processing chip 3 is related to the refresh cycle of the image displayed by the display panel. Figure 3 As shown, the processing chip 3 is used to control the at least one switch to be disconnected during the refresh period of the refresh cycle of the Nth frame, and to control the at least one switch to be turned on during the idle period of the refresh cycle of the Nth frame. Because the refresh cycle of each frame of the image includes a refresh period (display period) and an idle period (non-display period), the processing chip 3 can uniformly control the switch during the display period, regardless of whether the display screen is a self-capacitive display screen or a mutual-capacitive display screen, to turn on the switch so that the touch sensing module enables the touch function, or the touch and display functions, and control the switch to be closed during the idle period to enable the near-field communication function. Repeatedly, such as controlling the switch to be disconnected during the refresh period of the refresh cycle of the N+1 frame, and controlling the switch to be closed during the idle period, and the same is true for the N+2 frame and the N+3 frame.

[0084] For the mutual capacitance display screen, since its display and touch are independent, the touch function can always be enabled, but since enabling the near field communication function requires multiplexing the trace 2 of the touch sensing unit 1, it is impossible to enable the near field communication function and the touch sensing function at the same time. Therefore, the processing chip 3 can design the enabling cycle of the two functions by self-setting or according to user instructions, that is, an idle period of the touch sensing function can be set, and the communication sensing function can be enabled during the period. The specific time allocation method is not fixed and can be flexibly configured according to actual needs.

[0085] In practical applications, taking contactless radio frequency communication (RFID) as an example, the processing chip 3 can output corresponding communication information. The commonly used communication frequency of RFID is 125K hz, so the processing chip 3 can output the required coded information waveform when enabling the near field communication function, for example Figure 3 shown.

[0086] like Figure 4 As shown, another embodiment of the present application also provides a control method, including:

[0087] S1: Get enable signal;

[0088] S2: In response to the enable signal, enable the near field communication function of the touch sensing module so that the touch sensing area of ​​the electronic device having the touch sensing module has the near field communication function; wherein, the touch sensing module enables the near field communication function to reuse at least two of the multiple lines used by the touch sensing module to enable the touch function.

[0089] The control method in this embodiment is applied to an electronic device equipped with the touch sensing module described above, such as an electronic device equipped with a touch display screen formed by the touch sensing module. The electronic device may be, for example, but not limited to, a mobile terminal, such as a mobile phone. When the touch display module obtains an enable signal, the processing chip in the module will respond to the enable signal and enable the near field communication function of the touch sensing module, so that the electronic device has the near field communication function. At this time, the user can use the electronic device to perform operations such as mobile payment, swiping a bus card, and swiping a door access control.

[0090] Specifically, in this embodiment, when the touch sensing module enables the near-field communication function, the method adopted is to multiplex at least two of the multiple wires used by the touch sensing module to enable the touch function, that is, to multiplex at least two of the multiple wires to form a coil structure. At this time, as long as the signal wave transmitted by the processing chip is coordinated, an induction coil can be formed to realize the near-field communication function.

[0091] Among them, the enable signal is obtained, including the indication signal input by the user. For example, when the user needs to use the near-field communication function, the instruction is input to generate an enable signal, and it is sent to the processing chip. At this time, the processing chip will disable the display and touch functions of the touch sensing module and enable the near-field communication function. For a mutual-capacitive display screen, the touch function is disabled and the near-field communication function is enabled. Alternatively, the device has respective enable cycles for the touch display function (the corresponding mutual-capacitive display screen is the touch function) and the near-field communication function, and the two functions are alternately enabled. When the enable cycle of the touch display function or the touch function ends, the device responds to the end of the enable cycle of the touch display function or the touch function, generates an enable signal for the near-field communication function, and sends it to the processing chip, which responds to the enable signal and enables the near-field communication function. Alternatively, the enable signal is generated and executed by the processing chip itself, that is, the touch display function or the touch function, and the alternating enabling of the near field communication function are all controlled by the processing chip, which monitors the enabling time of each function, and when the time is reached, disables the function and enables another function.

[0092] Based on the above content, it can be known that the electronic device in this embodiment can be equipped with a touch sensing module without adding any electronic accessories related to the realization of near-field communication functions, such as corresponding IC chips, antenna structures, etc., only by reusing some wiring in the touch sensing module and combining the signals transmitted by the processing chip. It can have the near-field communication function. This not only does not occupy the space resources of the device, but also does not increase the hardware resources. At the same time, it increases the functions of the device, making it more convenient for users to use.

[0093] In one embodiment, enabling the near field communication function of the touch sensing module includes:

[0094] S3: Control at least one switch to be turned on, wherein the at least one switch is connected to a target wiring, and the target wiring is a wiring of the touch sensing module that enables a near field communication function.

[0095] In this embodiment, the multiplexed wirings in the touch sensing module are all connected through a switch, and the switch is also connected to the processing chip to be controlled by the processing chip. During the touch function or touch display function, the processing chip controls the switch to be in an open state. At this time, each touch sensing unit is independently connected to the processing chip to be controlled by the processing chip to realize the touch or touch display function. When the near field communication function is to be enabled, the processing chip controls the switch to be closed to conduct the multiplexed wiring to form an induction coil to radiate the signal wave in combination with the signal input by the processing chip to realize near field communication.

[0096] Further, enabling the near field communication function of the touch sensing module includes:

[0097] S4: if display data of the Nth frame is obtained, the at least one switch is controlled to be turned off during a refresh period of a refresh cycle of the Nth frame and the at least one switch is controlled to be turned on during an idle period of the refresh cycle of the Nth frame.

[0098] Furthermore, the timing of opening and closing the switch by the processing chip is related to the refresh cycle of the display screen displaying the image. For example, the processing chip is used to control the at least one switch to be disconnected during the refresh period of the refresh cycle of the Nth frame, and to control the at least one switch to be turned on during the idle period of the refresh cycle of the Nth frame. Because the refresh cycle of each frame of the image includes a refresh period (display period) and an idle period (non-display period), the processing chip can uniformly control the switch during the display period, regardless of whether the display screen is a self-capacitive display screen or a mutual-capacitive display screen, to turn on the switch so that the touch sensing module enables the touch function, or the touch and display function, and to control the switch to be closed during the idle period to enable the near-field communication function. Repeatedly, such as controlling the switch to be disconnected during the refresh period of the refresh cycle of the N+1 frame, and controlling the switch to be closed during the idle period, and the same is true for the N+2 frame and the N+3 frame.

[0099] For mutual-capacitive display screens, since the display and touch are independent, the touch function can always be enabled. However, since enabling the near-field communication function requires multiplexing the routing of the touch sensing unit, it is impossible to enable the near-field communication function and the touch sensing function at the same time. Therefore, the processing chip can design the enabling cycle of the two functions by self-setting or according to user instructions, that is, it can set an idle period for the touch sensing function and enable the communication sensing function during this period. The specific method of time allocation is uncertain and can be flexibly configured according to actual needs.

[0100] Furthermore, an embodiment of the present application also provides a storage medium on which a computer program is stored, and when the program is executed by a processor, the control method described above is implemented. It should be understood that each solution in this embodiment has the corresponding technical effect in the above method embodiment, which will not be repeated here.

[0101] Furthermore, an embodiment of the present application also provides a computer program product, which is tangibly stored on a computer-readable medium and includes computer-readable instructions, which, when executed, cause at least one processor to perform a control method such as that in the embodiment described above.

[0102] It should be noted that the computer storage medium of the present application may be a computer-readable signal medium or a computer-readable storage medium or any combination of the above two. The computer-readable medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, system or device, or any combination of the above. More specific examples of computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access storage medium (RAM), a read-only storage medium (ROM), an erasable programmable read-only storage medium (EPROM or flash memory), an optical fiber, a portable compact disk read-only storage medium (CD-ROM), an optical storage medium, a magnetic storage medium, or any suitable combination of the above. In the present application, a computer-readable storage medium may be any tangible medium containing or storing a program that can be used by or in combination with an instruction execution system, system or device. In the present application, a computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, in which a computer-readable program code is carried. This propagated data signal may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. A computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium that can send, propagate or transmit a program configured to be used by or in conjunction with an instruction execution system, system or device. The program code contained on the computer-readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, antenna, optical cable, RF, etc., or any suitable combination of the above.

[0103] These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer-readable memory produce a product including an instruction system, which is implemented in the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0104] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of protection of the present application is limited to these examples. In line with the concept of the present application, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present application as described above, which are not provided in detail for the sake of simplicity.

Claims

1. A touch sensing module, comprising: Processing chip; A plurality of touch sensing units, wherein the plurality of touch sensing units constitute a sensing array; A plurality of routing lines, each of the plurality of touch sensing units is connected to the processing chip via a routing line; the plurality of touch sensing units correspond one to one to the plurality of routing lines; in, The touch sensing module enables a near field communication function to reuse at least two of the plurality of wires used by the touch sensing module to enable a touch function.

2. The touch sensing module according to claim 1, further comprising: At least one switch, the at least one switch is used for the touch sensing module to enable a near field communication function, and conducts and multiplexes at least two of the multiple wires used by the touch sensing module to enable a touch function to form a loop.

3. The touch sensing module according to claim 2, wherein the at least one switch comprises: At least one first switch is far away from the processing chip, and the at least one first switch is located in the same row and arranged at intervals; At least one second switch is close to the processing chip, and the at least one second switch is located in the same row and arranged at intervals.

4. The touch sensing module according to claim 2, wherein the routing of the multiple first touch sensing units belonging to the first row among the multiple touch sensing units serves as the target routing for enabling the near field communication function of the touch sensing module, and the multiple first touch sensing units belonging to the first row are far away from the processing chip.

5. The touch sensing module according to claim 2, further comprising: A display panel, wherein the sensing array formed by the plurality of touch sensing units covers the display panel; The processing chip works in cooperation with the driving lines and the data lines so that each pixel of the display panel is activated and displayed at a target time; The processing chip is further configured to control the at least one switch via a target driving line.

6. The touch sensing module according to claim 2, further comprising: A display panel, wherein the sensing array formed by the plurality of touch sensing units covers the display panel; A driving chip, wherein the driving chip cooperates with the driving lines and the data lines to enable each pixel of the display panel to be activated and displayed at a target time, and the driving chip is different from the processing chip; The processing chip is further configured to control the at least one switch via a target control line.

7. The touch sensing module according to claim 5 or 6, wherein the processing chip is used to control the at least one switch to be disconnected during a refresh period of a refresh cycle of the Nth frame and to control the at least one switch to be turned on during an idle period of a refresh cycle of the Nth frame.

8. A control method, comprising: Get the enable signal; In response to the enable signal, the near field communication function of the touch sensing module is enabled so that the touch sensing area of ​​the electronic device having the touch sensing module has the near field communication function; wherein, the touch sensing module enables the near field communication function to reuse at least two of the multiple lines used by the touch sensing module to enable the touch function.

9. The control method according to claim 8, enabling the near field communication function of the touch sensing module comprises: At least one switch is controlled to be turned on, wherein the at least one switch is connected to a target wiring, and the target wiring is a wiring of the touch sensing module that enables a near field communication function.

10. The control method according to claim 9, enabling the near field communication function of the touch sensing module comprises: If display data of the Nth frame is obtained, the at least one switch is controlled to be turned off during a refresh period of a refresh cycle of the Nth frame and is controlled to be turned on during an idle period of the refresh cycle of the Nth frame.

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