WO2018126368A1 - 触控装置和确定触控装置的电容感应量的方法 - Google Patents

触控装置和确定触控装置的电容感应量的方法 Download PDF

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Publication number
WO2018126368A1
WO2018126368A1 PCT/CN2017/070207 CN2017070207W WO2018126368A1 WO 2018126368 A1 WO2018126368 A1 WO 2018126368A1 CN 2017070207 W CN2017070207 W CN 2017070207W WO 2018126368 A1 WO2018126368 A1 WO 2018126368A1
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WIPO (PCT)
Prior art keywords
capacitive sensing
amount
touch
node
sensing node
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PCT/CN2017/070207
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English (en)
French (fr)
Inventor
杨威
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深圳市汇顶科技股份有限公司
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Publication date
Application filed by 深圳市汇顶科技股份有限公司 filed Critical 深圳市汇顶科技股份有限公司
Priority to PCT/CN2017/070207 priority Critical patent/WO2018126368A1/zh
Priority to CN201780000147.2A priority patent/CN108604146B/zh
Publication of WO2018126368A1 publication Critical patent/WO2018126368A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes

Definitions

  • the present application relates to the field of electronic devices, and more particularly to a touch device and a method of determining a capacitive sensing amount of a touch device.
  • the fingerprint recognition sensor is generally installed in the lower right corner of the keyboard main body case.
  • a fingerprint recognition sensor can be incorporated on the touch device.
  • a fingerprint recognition sensor is directly added to the touch device, which may cause the area where the fingerprint recognition sensor is mounted to form a touch dead zone. When the touch object operates in the area, the touch failure may occur, the line is broken or the gesture is incorrect. Judging defects.
  • the embodiment of the present application provides a touch device and a method for determining a capacitance sensing amount of the touch device, which can reduce system complexity.
  • a touch device in a first aspect, includes: a touch capacitive sensor, wherein the touch capacitive sensor includes M capacitive sensing nodes, the M is a positive integer, and M ⁇ 2, the touch capacitive sensor is configured to detect the M capacitive sensing nodes.
  • the fingerprint recognition sensor is embedded in the N capacitive sensing nodes of the M capacitive sensing nodes, N is a positive integer, and N ⁇ 1, the fingerprint recognition sensor is on the touch device The occupied position does not completely cover the position occupied by any one of the M capacitive sensing nodes; the touch circuit is detected and processed, and the detecting processing circuit is connected to the touch capacitive sensor and the fingerprint identifying sensor, and the detecting The processing circuit is configured to compensate a first capacitive sensing amount of the M capacitive sensing nodes according to the first capacitive sensing amount of the M capacitive sensing nodes, and generate a second capacitive sensing amount, where the second capacitive sensing The quantity is used to determine whether the N capacitive sensing nodes have a touch.
  • the touch device can identify the position of the sensor by the layout fingerprint, and can compensate the capacitance sensing quantity of the capacitance sensing node to which the position occupied by the fingerprint recognition sensor belongs by only the capacitance sensing amount of the capacitance sensing node measured by the touch capacitance sensor, thereby determining the first Whether a capacitive sensing node has a touch Compared with the use of the fingerprint recognition sensor to detect the capacitive sensing amount to compensate the capacitive sensing amount, the complexity is reduced, and the power consumption of the fingerprint recognition sensor is saved.
  • the detection processing circuit includes a touch detection circuit and a first controller, the touch detection circuit is configured to collect a capacitance sensing amount of the touch capacitance sensor, and the first controller is configured to process the touch The amount of capacitance sensed by the control detection circuit.
  • the capacitive sensing amount of the capacitive sensing node can be collected by the touch detection circuit and processed by the first controller.
  • the detection processing circuit further includes a fingerprint detecting circuit, configured to collect a capacitive sensing amount of the fingerprint identifying sensor, where the first controller is further configured to process capacitive sensing of the fingerprint identifying sensor the amount.
  • the capacitive sensing amount of the fingerprint detecting circuit for collecting the fingerprint detecting circuit can be processed by the same controller as the capacitive sensing amount of the touch detecting circuit for collecting the touch capacitive sensor, thereby reducing the system complexity.
  • the detection processing circuit further includes a fingerprint detection circuit for collecting a capacitive sensing amount of the fingerprint recognition sensor, and a second controller for processing the fingerprint recognition sensor The capacitance is sensed and the first controller is different from the second controller.
  • the capacitive sensing quantity of the fingerprint detecting circuit for collecting the fingerprint detecting circuit can be processed by different controllers with the capacitive sensing amount of the touch detecting circuit for collecting the touch capacitive sensor, thereby improving the processing efficiency.
  • the touch capacitive sensor and the upper surface of the fingerprint recognition sensor are provided with a protective layer.
  • the upper surface of the capacitive sensing node is rectangular.
  • the upper surface of the fingerprint recognition sensor is rectangular.
  • the upper surfaces of at least two of the M capacitive sensing nodes are vertices or co-edge connected.
  • the touch capacitive sensor is specifically configured to detect a first capacitive sensing amount of the first capacitive sensing node and a first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set, the first The capacitive sensing node is any one of the N capacitive sensing nodes, the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node, and the second capacitive sensing node is the a capacitive sensing node of the M capacitive sensing nodes except the N capacitive sensing nodes; the first controller is further configured to sense each capacitor in the set of nodes according to the first capacitive sensing amount of the first capacitive sensing node and the adjacent capacitive sensing node Induction section The first capacitive sensing amount of the point determines a second capacitive sensing amount of the first capacitive sensing node.
  • the controller determines the second capacitive sensing node according to the first capacitive sensing amount of the first capacitive sensing node and the first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set The capacitive sensing amount compensates the capacitive sensing amount of the capacitive sensing node
  • the first controller is specifically configured to: according to the first capacitive sensing amount of the first capacitive sensing node and the first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set, Determining a compensation coefficient of the first capacitive sensing node; determining a second capacitive sensing amount of the first capacitive sensing node according to the compensation coefficient and the first capacitive sensing amount of the first capacitive sensing node.
  • the compensation coefficient can be used for the touch of the touch object used in the subsequent measurement, saving system power consumption.
  • the touch capacitance sensor is further configured to detect a third capacitive sensing amount of the first capacitive sensing node; the first controller further uses And determining, according to the compensation coefficient and the third capacitive sensing amount, a fourth capacitive sensing amount of the first capacitive sensing node.
  • the first capacitive sensing amount of the first capacitive sensing node is detected by the touch capacitive sensor when the fingerprint recognition sensor is not touched, the second capacitive sensing amount and the fourth capacitance The difference in the amount of sensing is used to determine the coordinates of the position of the center of gravity of the fingerprint recognition sensor.
  • the second capacitive sensing amount obtained by the capacitive sensing amount compensation method of the embodiment of the present application can be used for the touch center position coordinate or gesture judgment of the fingerprint recognition sensor, or other applications, etc., limited.
  • the first controller is specifically configured to use an average value of the first capacitive sensing amount of the capacitive sensing node in the set of adjacent capacitive sensing nodes and the first capacitive sensing section The ratio of the first capacitive sensing amount of the point is determined as the compensation coefficient of the first capacitive sensing node.
  • the first controller is specifically configured to determine a product of the compensation coefficient and the third capacitive sensing amount as the fourth capacitive sensing amount.
  • the first controller is further configured to detect a first capacitive sensing amount of the first capacitive sensing node and a first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set, the first The capacitive sensing node is any one of the N capacitive sensing nodes, the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node, and the second capacitive sensing node is the a capacitive sensing node of the M capacitive sensing nodes except the N capacitive sensing nodes; the first controller is further configured to: according to the first capacitive sensing node of the adjacent capacitive sensing node set, before and after the touch object touches The amount of change in capacitance sensing and the amount of first capacitive sensing change of the first capacitive sensing node before and after the touch of the touch object determine a second capacitive sensing change amount of the first
  • the capacitive sensing variation of the capacitive sensing node around the fingerprint recognition sensor compensates for the capacitance sensing change of the capacitive sensing node occupied by the fingerprint recognition sensor, thereby avoiding compensation by using the capacitance sensing variation of each pixel electrode inside the fingerprint recognition sensor, thereby reducing System complexity and fingerprint recognition sensor power consumption.
  • the first controller is specifically configured to: according to the first capacitive sensing change amount of each capacitive sensing node in the set of adjacent capacitive sensing nodes before and after the touch of the touch object, and the first capacitive sensing Determining, by the node, a first capacitive sensing change amount before and after the touch object touches, determining a compensation coefficient of the first capacitive sensing node; and according to the compensation coefficient and the first capacitive sensing node, the first capacitive sensing before and after the touch object touches The amount of change determines the amount of change in the second capacitive sensing.
  • the first controller is further configured to determine a third capacitive sensing change amount of the first capacitive sensing node before and after the touch; the first controller is further configured to use the compensation coefficient and the third The capacitance sensing change amount determines a fourth capacitive sensing change amount of the first capacitive sensing node.
  • the fourth capacitive sensing change amount is used to determine that the touch object touches the center of gravity position coordinate of the fingerprint recognition sensor.
  • the first controller is specifically configured to: sense an average value of a first capacitive sensing amount of the capacitive sensing node in the set of adjacent capacitive sensing nodes and a first capacitive sensing of the first capacitive sensing node The ratio of the quantity is determined as the compensation coefficient of the first capacitive sensing node.
  • the first controller is specifically configured to: determine, by the product of the compensation coefficient and the third capacitive sensing change amount, the fourth capacitive sensing change amount.
  • the present application provides a method of determining a capacitive sensing amount of a touch device.
  • the method is performed by the module of the touch device of the first aspect or any of the possible implementation manners of the first aspect.
  • the third aspect provides a terminal device, including the touch device, the display screen, the battery, and the chip according to any of the possible implementations of the first aspect or the first aspect.
  • a touch device including: a processor, a memory, and a bus system.
  • the processor and the memory are connected by a bus system for storing instructions for executing the instructions stored in the memory, and the processor is specifically configured to perform the determining of the touch device in the various possible implementation manners described above.
  • the method of capacitance sensing is provided, including: a processor, a memory, and a bus system.
  • the processor and the memory are connected by a bus system for storing instructions for executing the instructions stored in the memory, and the processor is specifically configured to perform the determining of the touch device in the various possible implementation manners described above.
  • the method of capacitance sensing is provided, including: a processor, a memory, and a bus system.
  • a computer storage medium where the program code is stored to indicate that performing the determining touch in any one of the possible implementation manners of the second aspect or the second aspect The instruction of the method of capacitance sensing of the device.
  • the touch device of the embodiment of the present invention can compensate the position of the sensor by the layout fingerprint, and can measure the capacitive sensing amount of the capacitive sensing node by the touch capacitive sensor to compensate the capacitive sensing node to which the position occupied by the fingerprint identifying sensor belongs.
  • the capacitance sensing amount avoids the use of the fingerprint recognition sensor to detect the capacitance sensing amount to compensate the capacitance sensing amount, which reduces the complexity and saves the power consumption of the fingerprint recognition sensor.
  • FIG. 1 is a block diagram of a touch device according to an embodiment of the present application.
  • FIG. 2 is an enlarged view of a portion of the sensing node in the touch capacitive sensor
  • FIG. 3 is a schematic structural diagram of a touch device according to an embodiment of the present application.
  • 4a, 4b, 4c, and 4d are schematic diagrams of a fingerprint recognition sensor embedded in a touch capacitance sensor according to different embodiments of the present application;
  • FIG. 5 is a schematic diagram of a system of a touch device according to another embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a touch device according to another embodiment of the present application.
  • FIG. 7 is a schematic flowchart of a method for determining a capacitance sensing amount of a touch device according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a touch capacitive sensor according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a method for determining a capacitance sensing amount of a touch device according to an embodiment of the present application.
  • FIG. 10 is a diagram showing a method for determining a capacitance sensing amount of a touch device according to still another embodiment of the present application. intention
  • FIG. 11 is a schematic flowchart of a method for determining a capacitance sensing amount of a touch device according to still another embodiment of the present application.
  • FIG. 12 is a schematic diagram of a method for determining a capacitance sensing amount of a touch device according to still another embodiment of the present application.
  • FIG. 13 is a schematic diagram of a method for determining a capacitance sensing amount of a touch device according to still another embodiment of the present application.
  • FIG. 14 is a schematic diagram of a method for determining a capacitance sensing amount of a touch device according to still another embodiment of the present application.
  • FIG. 15 is a schematic structural diagram of a touch device according to an embodiment of the present application.
  • FIG. 1 is a structural diagram of a touch device according to an embodiment of the present application.
  • FIG. 1 is a touch device with a fingerprint recognition function, and the touch device includes a touch capacitance sensor 110, a fingerprint recognition sensor 120, and a detection processing circuit 130.
  • the touch capacitance sensor 110 includes a plurality of sensing nodes 111.
  • the fingerprint recognition sensor 120 is embedded in the plurality of sensing nodes 111.
  • the detection processing circuit 130 includes a touch detection circuit 131, a fingerprint detection circuit 132, and a main controller circuit 133. .
  • the touch detection circuit 131 is configured to collect the capacitive sensing amount of the touch capacitive sensor
  • the fingerprint detecting circuit 132 is configured to collect fingerprint data
  • the main controller circuit 133 is responsible for data transmission, processing, and touch coordinate calculation of the fingerprint sensor and the capacitive sensor.
  • the detection processing circuit here can be a single integrated circuit.
  • FIG. 2 shows an enlarged view of a portion of the sensing node in the touch capacitive sensor.
  • the plurality of capacitive sensing nodes 111 included in the touch capacitive sensor 110 are arranged in a matrix, and FIG. 2 is a three-type sensing electrode pattern.
  • the side lengths of the capacitive sensing nodes are D1 and D2, respectively.
  • the structure of the capacitive sensing node is not limited to the structure shown in FIG. 2 , for example, it may be a cross-shaped sensing electrode pattern or the like, which is not limited in this application.
  • the fingerprint detection circuit in the fingerprint recognition sensor collects the capacitance sensing amount, thereby being able to compensate the fingerprint recognition.
  • the capacitive sensing amount of the position occupied by the sensor that is, the solution needs to simultaneously collect the capacitive sensing amount of the fingerprint recognition sensor and the capacitive sensing amount of the touch capacitive sensor, the system complexity is high, and the power consumption of the fingerprint recognition sensor is relatively high. Big.
  • FIG. 3 is a schematic structural diagram of a touch device according to an embodiment of the present application.
  • the touch device includes a touch capacitance sensor 110, a fingerprint recognition sensor 120, and a detection processing circuit 130.
  • the touch capacitive sensor 110 includes M sensing nodes 111 and a fingerprint recognition sensor 120, and M is a positive integer greater than or equal to 2.
  • the fingerprint recognition sensor 120 is embedded in the N capacitive sensing nodes of the M capacitive sensing nodes 111, that is, the portions of the N capacitive sensing nodes are equivalently dug, and the fingerprint recognition sensor is embedded.
  • the location occupied by the fingerprint recognition sensor 120 does not completely cover the location of any single capacitive sensing node.
  • the detection processing circuit 130 is connected to the touch capacitance sensor and the fingerprint recognition sensor, and the detection processing circuit 130 is configured to detect a first capacitance sensing amount of the M capacitive sensing nodes according to the touch capacitance sensor.
  • the structure of the N capacitive sensing nodes of the fingerprint sensing sensor 120 embedded in the M capacitive sensing nodes 111 may be as shown in FIGS. 4a, 4b, 4c and 4d, and may be located at the lower, middle and middle right portions of the touch capacitive sensor. Or the middle right part, but the application is not limited to this.
  • the touch capacitance sensor can detect the capacitance sensing amount of each of the M capacitive sensing nodes included, and pass the M capacitive sensing nodes.
  • the capacitive sensing amount of the capacitive sensing node other than the N capacitive sensing nodes compensates for the capacitive sensing amount of the N capacitive sensing nodes due to the occupancy of the fingerprint recognition sensor.
  • the touch device can recognize the position of the sensor by the layout fingerprint, and can compensate the capacitance sensing amount of the capacitive sensing node to which the position occupied by the fingerprint recognition sensor belongs only by the capacitance sensing amount of the capacitive sensing node measured by the touch capacitive sensor,
  • the detection of the fingerprint recognition sensor is required to compensate the touch capacitance sensing amount, which reduces the complexity and saves the power consumption of the fingerprint recognition sensor.
  • the upper surface of the M capacitive sensing nodes may be flush, and may be rectangular, elliptical, circular, square, or other irregular shape, which is not limited in this application.
  • the embodiment of the present application is described by taking a rectangular shape of the upper surface of the capacitive sensing node as an example.
  • the upper surfaces of the M capacitive sensing nodes may all be the same structure, or partially the same, or the M capacitive sensing nodes are different, which is not limited in this application.
  • the upper surface of the fingerprint recognition sensor may also be rectangular, elliptical, circular, square or other irregular shape, etc., which is not limited in this application.
  • the embodiment of the present application is described by taking a rectangular shape of the upper surface of the capacitive sensing node as an example.
  • the upper surfaces of the at least two capacitive sensing nodes of the M capacitive sensing nodes may be connected by a common vertex or a common edge.
  • the adjacent sensing node of a capacitive sensing node may also be a capacitive sensing node having a common vertex or a common side with the capacitive sensing node.
  • the detection processing circuit includes a touch detection circuit and a first controller, where the touch detection circuit is configured to collect a capacitance sensing amount of each capacitive sensing node of the touch capacitance sensor, where the first controller is configured to process The capacitive sensing amount of each capacitive sensing node detected by the touch capacitive sensor.
  • the detection processing circuit further includes a fingerprint detecting circuit, configured to collect a capacitive sensing amount of the fingerprint identifying sensor, where the first controller is further configured to process a capacitive sensing amount of the fingerprint identifying sensor, that is, a fingerprint
  • the detection circuit can be controlled by the same controller as the touch detection circuit, for example, the main controller circuit 133 in FIG.
  • the fingerprint detection circuit can be controlled by a different controller from the touch detection circuit.
  • the capacitive sensing amount collected by the touch detection circuit is processed by the microcontroller 1 (represented as the first controller), and the capacitive sensing amount collected by the fingerprint recognition sensor is represented by the microcontroller 2 (denoted as Two controllers) processing.
  • the touch capacitive sensor and the upper surface of the fingerprint recognition sensor may be provided with a protective layer, as shown in FIG. 6 .
  • the protective layer may be alumina glass.
  • the touch of the touch object to the capacitive sensing node or the fingerprint recognition sensor may be touched to the protective layer and transmitted through the protective layer.
  • the touch capacitive sensor is specifically configured to detect a first capacitive sensing amount of the first capacitive sensing node and a first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set, the first A capacitive sensing node is any one of the N capacitive sensing nodes, the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node, and the second capacitive sensing node is a capacitance sensing node of the M capacitive sensing nodes except the N capacitive sensing nodes; the first controller is further configured to: according to the first capacitive sensing node of the first capacitive sensing node and each of the adjacent capacitive sensing node sets The first capacitive sensing amount of the capacitive sensing node determines a second capacitive sensing amount of the first capacitive sensing node.
  • the first controller is specifically configured to: according to the first capacitive sensing amount of the first capacitive sensing node and the first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set Determining a compensation coefficient of the first capacitive sensing node; determining a second of the first capacitive sensing node according to the compensation coefficient and the first capacitive sensing amount of the first capacitive sensing node The amount of capacitance sensing.
  • the second capacitive sensing amount can be regarded as the corrected or compensated capacitive sensing amount of the first capacitive sensing amount.
  • the touch capacitance sensor is further configured to detect a third capacitive sensing amount of the first capacitive sensing node; the first controller further And determining a fourth capacitive sensing amount of the first capacitive sensing node according to the compensation coefficient and the third capacitive sensing amount.
  • the first capacitive sensing amount of the first capacitive sensing node is detected by the touch capacitive sensor when the fingerprint recognition sensor is not touched, and the second capacitive sensing amount and the fourth The difference in capacitance sensing amount is used to determine the coordinates of the center of gravity of the touch object that the touch object touches.
  • the first controller is specifically configured to: sense an average value of a first capacitive sensing amount of the capacitive sensing node in the set of adjacent capacitive sensing nodes and a first capacitive sensing of the first capacitive sensing node The ratio of the quantity is determined as the compensation coefficient of the first capacitive sensing node.
  • the first controller is specifically configured to determine a product of the compensation coefficient and the third capacitive sensing amount as the fourth capacitive sensing amount.
  • the first controller is further configured to detect a first capacitive sensing amount of the first capacitive sensing node and a first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set, where the first A capacitive sensing node is any one of the N capacitive sensing nodes, the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node, and the second capacitive sensing node is a capacitance sensing node of the M capacitive sensing nodes except the N capacitive sensing nodes; the first controller is further configured to: before, according to the capacitive sensing node of the adjacent capacitive sensing node set, before and after the touch object touches A capacitance sensing change amount and a first capacitance sensing change amount of the first capacitive sensing node before and after the touch object touch, determine a second capacitive sensing change amount of the first capac
  • the first controller is specifically configured to: according to the first capacitive sensing change amount and the first capacitance of each capacitive sensing node in the set of adjacent capacitive sensing nodes before and after the touch of the touch object Determining, by the sensing node, a first capacitive sensing change amount before and after the touch object touches, determining a compensation coefficient of the first capacitive sensing node before and after the touch object touches; according to the compensation coefficient and the first capacitive sensing node, the touch object The first capacitive sensing change amount before and after the touch determines the second capacitive sensing change amount.
  • the first controller is further configured to determine a first capacitive sensing node. And a third capacitive sensing change amount before and after the touch; the first controller is further configured to determine a fourth capacitive sensing change amount of the first capacitive sensing node according to the compensation coefficient and the third capacitive sensing change amount.
  • the fourth capacitive sensing change amount is used to determine that the touch object touches the center of gravity position coordinate of the fingerprint recognition sensor.
  • the first controller is specifically configured to: average an average value of a first capacitive sensing quantity of the capacitive sensing node in the set of adjacent capacitive sensing nodes and a first capacitance of the first capacitive sensing node The ratio of the sensing amount is determined as the compensation coefficient of the first capacitive sensing node.
  • the first controller is specifically configured to: determine, by the product of the compensation coefficient and the third capacitive sensing change amount, the fourth capacitive sensing change amount.
  • the touch device of the embodiment of the present invention can compensate the position of the sensor by the layout fingerprint, and can measure the capacitive sensing of the capacitive sensing node by the touch capacitive sensor only to compensate the capacitive sensing of the capacitive sensing node to which the position occupied by the fingerprint identifying sensor belongs.
  • the capacitance sensing amount is reduced, the complexity is reduced, and the power consumption of the fingerprint recognition sensor is saved.
  • FIG. 7 illustrates a method 700 of determining a capacitive sensing amount of a touch device in accordance with an embodiment of the present application.
  • the touch device includes a touch capacitance sensor, a fingerprint recognition sensor and a controller.
  • the touch capacitance sensor includes M capacitive sensing nodes, the M is a positive integer, and M ⁇ 2, the fingerprint recognition sensor is embedded in the M capacitors.
  • the method 700 includes:
  • the touch capacitive sensor detects a first capacitive sensing amount of the first capacitive sensing node and a first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set, where the first capacitive sensing node is the N capacitive sensing Any one of the nodes in the node, the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node, and the second capacitive sensing node is the N capacitive capacitors in the M capacitive sensing nodes a capacitive sensing node outside the sensing node;
  • the controller determines a second capacitive sensing amount of the first capacitive sensing node according to the first capacitive sensing amount of the first capacitive sensing node and the first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set. ;
  • the controller determines, according to the second capacitive sensing quantity, whether the first capacitive sensing node has a touch.
  • the touch device in the method for determining the capacitive sensing amount of the touch device in the embodiment of the present application may be any one of the above-described embodiments (for example, as shown in FIG. 1 , FIG. 3 , and FIG. 5 ). To avoid repetition, we will not repeat them here.
  • the touch capacitive sensor detects a capacitive sensing amount of the first capacitive sensing node of the N capacitive sensing nodes, and detects a set of capacitive sensing nodes adjacent to the first capacitive sensing node and not the N capacitive sensing nodes (represented as Adjacent capacitance sensing node set). Since the portion of the first capacitive sensing node is dug out of the fingerprint recognition sensor, the capacitive sensing amount of the first capacitive sensing node is smaller than the capacitive sensing amount of the surrounding capacitive sensing node.
  • the embodiment of the present application compensates for the capacitive sensing amount of the capacitive sensing node that is not occupied by the fingerprint recognition sensor according to the principle that the capacitance of the adjacent sensing node is similar.
  • the controller ie, the main controller circuit or the first controller
  • And generating a second capacitive sensing amount so that the controller can determine whether the first capacitive sensing node has a touch according to the second capacitive sensing amount.
  • the controller may pre-store the capacitive sensing amount of the first capacitive sensing node when there is no touch (that is, the reference capacitive sensing amount), and then according to whether the second capacitive sensing amount is the same as the reference capacitive sensing amount, or is different.
  • the capacitance sensing amount threshold or the like determines whether the first capacitive sensing node has a touch.
  • the touch capacitance sensor can simultaneously detect the capacitance sensing amount of each of the M capacitive sensing nodes by one scan.
  • each of the N capacitive sensing nodes embedded in the fingerprint recognition sensor can compensate for the first capacitive sensing amount according to a compensation method similar to the first capacitive sensing node, and obtain a corresponding second capacitive sensing. the amount.
  • the capacitive sensing node may have a common edge or a common common vertex.
  • the first controller may first determine the compensation of the first capacitive sensing node according to the first capacitive sensing amount of the first capacitive sensing node and the first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set. And determining a first capacitive sensing amount of the first capacitive sensing node according to the compensation coefficient, thereby obtaining a second capacitive sensing amount of the compensated first capacitive sensing node.
  • the touch device can store the compensation coefficient, for example, put in a compensation coefficient library, for example, a table or the like can be set.
  • the first controller may determine the compensated capacitance sensing amount according to the compensation coefficient.
  • the compensation coefficients of the N capacitive sensing nodes occupied by the fingerprint recognition sensor may be separately calculated, that is, the compensation coefficients of the N capacitive sensing nodes may be the same or different.
  • the touch capacitive sensor has 12*16 capacitive sensing nodes, and the capacitive sensing nodes are arranged in a matrix.
  • the size of the fingerprint recognition sensor is 4*9mm.
  • the area of the four capacitive sensing nodes of the intersection of TX5 ⁇ TX6 and RX9 ⁇ RX10 is covered by the fingerprint recognition sensor.
  • the touch capacitance sensor scans all the capacitive sensing nodes, and detects that the capacitance sensing amounts of the plurality of capacitive sensing nodes not occupied by the fingerprint recognition sensor are respectively a, and there is fingerprint identification.
  • the capacitive sensing quantities of the plurality of sensing nodes occupied by the sensor are respectively b.
  • the measured value of the specific capacitance sensing amount is as shown in FIG. 9, wherein the four capacitive sensing nodes of TX5-TX6 and RX9-RX10 and their peripheral nodes have capacitance sensing amounts.
  • the capacitance sensing of the four capacitive sensing nodes crossing the TX5 ⁇ TX6 and RX9 ⁇ RX10 is smaller than the capacitive sensing of the surrounding capacitive sensing node.
  • the adjacent sensing nodes ie, the set of adjacent capacitive sensing nodes
  • TX4, RX8 the adjacent sensing nodes that are not occupied by the fingerprint sensor
  • the capacitance sensing amount of the sensing nodes (TX5, RX9) is determined according to the capacitance sensing amount of the sensing nodes.
  • the first controller may determine, as the ratio, an average of a first capacitive sensing amount of the capacitive sensing node in the set of adjacent capacitive sensing nodes and a first capacitive sensing amount of the first capacitive sensing node.
  • the compensation coefficient of the first capacitive sensing node may be determined, as the ratio, an average of a first capacitive sensing amount of the capacitive sensing node in the set of adjacent capacitive sensing nodes and a first capacitive sensing amount of the first capacitive sensing node.
  • the capacitance sensing amount of the sensing node adjacent to the sensing node (TX5, RX9) in FIG. 9 is averaged and divided by the capacitance sensing amount of the node to obtain a compensation coefficient.
  • the compensation coefficient can be stored in the lookup table, and the subsequent controller can determine the compensated capacitance sensing amount according to the compensation coefficient.
  • the touch capacitive sensor detects a third capacitive sensing amount of the first capacitive sensing node, the third capacitive sensing amount is different from the first capacitive sensing amount; the controller is configured according to the compensation coefficient and the third capacitive sensing And determining a fourth capacitive sensing amount of the first capacitive sensing node.
  • the controller determines the product of the compensation coefficient and the third capacitive sensing amount as the fourth capacitive sensing amount.
  • the plurality of capacitive sensing amounts b to be compensated may be By multiplying the corresponding compensation coefficient, a plurality of compensated capacitances c can be obtained, as shown in FIG.
  • the difference between the second capacitive sensing amount and the fourth capacitive sensing amount is used to determine that the touch object touches the center of gravity position coordinate of the fingerprint recognition sensor.
  • the change amount of the plurality of capacitance sensing amounts a and the plurality of capacitance sensing amounts c can be calculated according to the front and rear frames. The coordinates of the touch object are recognized, or the gesture of the touch object is recognized.
  • the first capacitive sensing amount of the first capacitive sensing node and the first of each capacitive sensing node in the adjacent capacitive sensing node set are detected by the touch capacitive sensor.
  • the capacitance sensing component the first capacitive sensing node is any one of the N capacitive sensing nodes, and the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node, the second The capacitive sensing node is a capacitive sensing node of the M capacitive sensing nodes except the N capacitive sensing nodes, and the controller senses each capacitive sensing in the set of sensing nodes according to the first capacitive sensing node and the adjacent capacitive sensing node.
  • the first capacitive sensing amount of the node determines a second capacitive sensing amount of the first capacitive sensing node, so that the capacitive sensing amount of the capacitive sensing node occupied by the fingerprint identifying sensor is compensated by the capacitive sensing amount of the capacitive sensing node around the fingerprint identifying sensor Avoiding the use of fingerprints to identify the capacitance of each pixel electrode inside the sensor It should amount to compensate for reducing power consumption and system complexity of the fingerprint recognition sensor.
  • FIG. 11 illustrates a method 1100 of determining a capacitive sensing amount of a touch device in accordance with an embodiment of the present application.
  • the touch device includes a touch capacitance sensor, a fingerprint recognition sensor and a controller.
  • the touch capacitance sensor includes M capacitive sensing nodes, the M is a positive integer, and M ⁇ 2, the fingerprint recognition sensor is embedded in the M capacitors.
  • the method 1100 includes:
  • the touch capacitive sensor detects a first capacitive sensing amount of the first capacitive sensing node and a first capacitive sensing amount of each capacitive sensing node in the set of adjacent capacitive sensing nodes, wherein the first capacitive sensing node is the N capacitive sensing Any one of the nodes in the node, the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node, and the second capacitive sensing node is the N capacitive sensing nodes except the N a capacitive sensing node outside the capacitive sensing node;
  • the controller is configured according to each of the capacitive sensing nodes in the set of adjacent capacitive sensing nodes Determining a second capacitive sensing change of the first capacitive sensing node by the first capacitive sensing change amount before and after the touch and the first capacitive sensing change of the first capacitive sensing node before and after the touch of the touch object the amount;
  • the controller determines, according to the second capacitance change amount, whether the first capacitive sensing node has a touch.
  • the touch sensor when no touch object touches the fingerprint recognition sensor, the touch sensor detects the first capacitive sensing amount of the first capacitive sensing node, and when the touch object touches the fingerprint recognition sensor, the touch sensor detects The third capacitive sensing amount of the first capacitive sensing node, the controller determines the difference between the first capacitive sensing amount and the third capacitive sensing amount as the first capacitive sensing change amount of the first capacitive sensing node. Similarly, the controller can determine the first capacitive sensing variation of each sensing node in the set of adjacent capacitive sensing nodes.
  • the embodiment of the present application compensates for the capacitance sensing variation of the capacitive sensing node that is not occupied by the fingerprint recognition sensor according to the principle that the capacitance change of the adjacent sensing node is similar.
  • the controller may compensate the first capacitive sensing change amount of the first capacitive sensing node according to the first capacitive sensing change amount of each sensing node in the adjacent capacitive sensing node set, and generate a second capacitive sensing change amount, so that the controller
  • the first capacitive sensing node may be determined to have a touch according to the second capacitance change amount.
  • the controller may determine whether the first capacitive sensing node is based on whether the second capacitance change amount is the same as the predetermined reference capacitance change amount, or the second capacitance change amount is different from the predetermined reference capacitance change amount. There is a touch.
  • the capacitance sensing change of the capacitive sensing node may be the result of touching the touch object once, or may be the capacitive sensing amount before and after the touch touched by the touch object multiple times. The maximum change in change.
  • the capacitive sensing node that measures the change before and after the touch of the touch object should use the same touch object, but the embodiment of the present application is not limited to the same touch object.
  • the controller may: according to the first capacitive sensing change amount of each capacitive sensing node in the set of adjacent capacitive sensing nodes before and after the touch object touches, and the first capacitive sensing node before and after the touch object touches First sensing the amount of change in the capacitance, first determining the compensation coefficient of the first capacitive sensing node, And compensating, according to the compensation coefficient, the first capacitive sensing node to generate a second capacitive sensing change amount before and after the touch object touches.
  • the compensation coefficient can be used for the touch of the touch object used in the subsequent measurement. That is to say, the compensation coefficient determined according to a touch object can only be used for the compensation operation after the touch object is touched. For example, if a finger touch is used to touch the determined touch coefficient, the subsequent compensation operation for the finger touch; if the touch coefficient determined by the touch pen is used, the subsequent compensation operation for touching the pen.
  • the touch device can classify the touch objects according to the touch area or other feature areas, and separately store the compensation coefficients.
  • the structure of the touch capacitive sensor and the fingerprint recognition sensor is as shown in FIG. 8.
  • four capacitive sensing nodes of TX5 to TX6 and RX9 to RX10 intersect with each other.
  • the peripheral node capacitance senses the amount of change.
  • the sensing nodes (TX5, RX9) where TX5 and RX9 cross are (TX4, RX10), (TX4, RX9), ( TX4, RX8), (TX5, RX8) and (TX6, RX8).
  • the capacitance sensing variation of the sensing nodes (TX5, RX9) is determined according to the capacitance sensing variation of the sensing nodes. For example, the average value of the capacitance sensing changes of the sensing nodes is determined as the (TX5, RX9) compensated capacitance sensing change. The amount is shown in Figure 13.
  • the method further includes: the touch capacitive sensor detecting a third capacitive sensing amount of the first capacitive sensing node, the third capacitive sensing amount being different from the first capacitive sensing amount; the controller according to the compensation coefficient and The third capacitive sensing amount determines a fourth capacitive sensing amount of the first capacitive sensing node.
  • the capacitance sensing variation of the sensing nodes adjacent to the sensing nodes (TX5, RX9) in FIG. 12 is averaged and divided by the capacitance sensing variation of the node to obtain a compensation coefficient.
  • the compensation coefficient can be stored in the lookup table, and the subsequent controller can determine the amount of capacitance change after compensation according to the compensation coefficient.
  • the touch capacitance sensor determines a third capacitive sensing change amount of the first capacitive sensing node before and after the touch; the controller determines the first capacitive sensing node according to the compensation coefficient and the third capacitive sensing change amount.
  • the fourth capacitance senses the amount of change.
  • the fourth capacitive sensing change amount is used to determine that the touch object touches the center of gravity position coordinate of the fingerprint recognition sensor.
  • the first controller compensates the data shown in FIG. 14 after the capacitance sensing change amount, and the ellipse in FIG. 14 touches the finger (ie, the touch object).
  • the fingerprint recognition sensors, D1, D2, ..., D9 are capacitance sensing variations of the respective capacitive sensing nodes, x1, x2, x3 and y1, y2, y3 are coordinates of the corresponding x-direction and y-direction of each sensing node.
  • the touch device can calculate the coordinates of the center of gravity (X A , Y A ) of the fingerprint recognition sensor according to the following formula:
  • the touch object may be a finger or a touch screen pen or the like, which is not limited in this application.
  • the first capacitive sensing change amount of the first capacitive sensing node and the first capacitive sensing node of the adjacent capacitive sensing node set are detected by the touch capacitive sensor.
  • the first capacitive sensing node is any one of the N capacitive sensing nodes, and the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node,
  • the second capacitive sensing node is a capacitive sensing node of the M capacitive sensing nodes except the N capacitive sensing nodes, and the controller according to the first capacitive sensing node of the first capacitive sensing node and the adjacent capacitive sensing node set
  • the first capacitive sensing change amount of the capacitive sensing node determines the second capacitive sensing change amount of the first capacitive sensing node, so as to compensate the capacitance occupied by the fingerprint identifying sensor by the capacitance sensing change amount of the capacitive sensing node around the fingerprint identifying sensor
  • the amount of capacitance sensing change of the sensing node avoids the use of fingerprint recognition Sensing the capacitance change amount of each
  • the embodiment of the present application provides a terminal device, including the touch device according to the foregoing.
  • the terminal device includes, but is not limited to, a mobile phone, a mobile station, a tablet computer, or a digital camera.
  • FIG. 15 is a schematic structural diagram of a touch device according to an embodiment of the present application.
  • the touch device includes at least one transceiver 1505 (receiver/transmitter 1505).
  • the touch device further includes at least one processor 1502 (eg, a general purpose processor CPU having computing and processing capabilities, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA), etc.)
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • the touch capacitance sensor 110 and the microcontroller 1 in FIG. 5 can be implemented by the processor 1502.
  • the touch device further includes at least one transceiver 1505 (receiver/transmitter), a memory 1506. Touch device The various components are communicated to each other through internal connection paths to communicate control and/or data signals.
  • the method disclosed in the above embodiments of the present application may be applied to the processor 1502 or used to execute an executable module, such as a computer program, stored in the memory 1506.
  • the memory 1506 may include a high speed random access memory (RAM: Random Access Memory), and may also include a non-volatile memory.
  • RAM Random Access Memory
  • the memory may include a read only memory and a random access memory, and provide the processor with Required signaling or data, programs, etc.
  • a portion of the memory may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • a communication connection with at least one other network element is achieved by at least one transceiver 1505, which may be wired or wireless.
  • the memory 1506 stores a program 15061, and the processor 1502 executes the program 15061 for performing the following operations:
  • the first capacitive sensing node senses any one of the N capacitive sensing nodes a node
  • the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node
  • the second capacitive sensing node is a capacitor of the M capacitive sensing nodes except the N capacitive sensing nodes Inductive node
  • the touch device may be specifically the touch device in the embodiment shown in FIG. 3 to FIG. 6 , and may be used to perform the method corresponding to the touch device in the method embodiment shown in FIG. 7 or FIG. 11 .
  • the first capacitive sensing amount of the first capacitive sensing node and the first capacitive sensing amount of each capacitive sensing node in the adjacent capacitive sensing node set are detected by the touch capacitive sensor
  • the first capacitive sensing node is any one of the N capacitive sensing nodes
  • the set of adjacent capacitive sensing nodes includes all second capacitive sensing nodes adjacent to the first capacitive sensing node
  • the second capacitive sensing node is a capacitive sensing node of the M capacitive sensing nodes except the N capacitive sensing nodes, according to the first capacitor Determining a first capacitive sensing amount of the sensing node and a first capacitive sensing amount of each capacitive sensing node in the set of adjacent capacitive sensing nodes, determining a second capacitive sensing amount of the first capacitive sensing node, such that the capaci
  • the embodiment of the present application further provides a computer storage medium, which can store program instructions for indicating any of the above methods.
  • the storage medium may be specifically a memory 1506.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate.
  • the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

一种触控装置和确定触控装置的电容感应量的方法。该触控装置包括：触控电容传感器(110)，包括M个电容感应节点(111)，且用于检测该M个电容感应节点(111)的第一电容感应量；指纹识别传感器(120)，内嵌于该M个电容感应节点(111)中的N个电容感应节点，在该触控装置上该指纹识别传感器(120)所占位置不完全覆盖该M个电容感应节点(111)中的任意一个电容感应节点(111)所占的位置；检测及处理触控电路(130)，与该触控电容传感器(110)和该指纹识别传感器(120)连接，且用于根据该触控电容传感器(110)检测的该M个电容感应节点(111)的第一电容感应量，补偿该N个电容感应节点的第一电容感应量生成第二电容感应量，该第二电容感应量用于确定该N个电容感应节点是否存在触碰。

Description

触控装置和确定触控装置的电容感应量的方法 技术领域
本申请涉及电子设备领域，并且更具体地，涉及触控装置和确定触控装置的电容感应量的方法。
背景技术
目前多数电子设备会植入指纹识别传感器，指纹识别传感器可用于防止电子设备被盗用，也可以用于电子支付。以笔记本为例，指纹识别传感器一般会被安装在键盘主机壳的右下角。为了整合设计，可以将指纹识别传感器结合在触控装置上。但是，在触控装置上直接增加了一个指纹识别传感器，会导致安装指纹识别传感器的区域形成触控盲区，当触控物件在该区域操作时会出现触控失灵，划线断线或者手势误判等缺陷。
发明内容
本申请实施例提供一种触控装置和确定触控装置的电容感应量的方法，能够降低系统复杂度。
第一方面，提供了一种触控装置。该触控装置包括：触控电容传感器，该触控电容传感器包括M个电容感应节点，该M为正整数，且M≥2，该触控电容传感器用于检测该M个电容感应节点的第一电容感应量；指纹识别传感器，该指纹识别传感器内嵌于该M个电容感应节点中的N个电容感应节点，N为正整数，且N≥1，在该触控装置上该指纹识别传感器所占位置不完全覆盖该M个电容感应节点中的任意一个电容感应节点所占的位置；检测及处理触控电路，该检测处理电路与该触控电容传感器和该指纹识别传感器连接，该检测处理电路用于根据该触控电容传感器检测的该M个电容感应节点的第一电容感应量，补偿该N个电容感应节点的第一电容感应量生成第二电容感应量，该第二电容感应量用于确定该N个电容感应节点是否存在触碰。
该触控装置通过布局指纹识别传感器的位置，能够仅通过触控电容传感器测量出的电容感应节点的电容感应量补偿指纹识别传感器所占用的位置所属的电容感应节点的电容感应量，进而确定第一电容感应节点是否存在触 碰，相比使用指纹识别传感器检测电容感应量补偿电容感应量，降低了复杂度，节省了指纹识别传感器的功耗。
在一些可能的实现方式中，该检测处理电路包括触控检测电路和第一控制器，该触控检测电路用于采集该触控电容传感器的电容感应量，该第一控制器用于处理该触控检测电路采集的电容感应量。
检测及处理触控电路测量电容感应节点的电容感应量可以通过触控检测电路用于采集，并由第一控制器进行处理。
在一些可能的实现方式中，该检测处理电路还包括指纹检测电路，该指纹检测电路用于采集该指纹识别传感器的电容感应量，该第一控制器还用于处理该指纹识别传感器的电容感应量。
指纹检测电路采集指纹检测电路的电容感应量可以与触控检测电路采集触控电容传感器的电容感应量通过相同的控制器处理，降低系统复杂度。
在一些可能的实现方式中，该检测处理电路还包括指纹检测电路和第二控制器，该指纹检测电路用于采集该指纹识别传感器的电容感应量，该第二控制器用于处理该指纹识别传感器的电容感应量，且该第一控制器不同于该第二控制器。
指纹检测电路采集指纹检测电路的电容感应量可以与触控检测电路采集触控电容传感器的电容感应量通过不同的控制器处理，提高处理效率。
在一些可能的实现方式中，该触控电容传感器和该指纹识别传感器的上表面设置有保护层。
在一些可能的实现方式中，该电容感应节点的上表面为矩形。
在一些可能的实现方式中，该指纹识别传感器的上表面为矩形。
在一些可能的实现方式中，该M个电容感应节点中的至少两个电容感应节点的上表面共顶点或共边连接。
在一些可能的实现方式中，该触控电容传感器具体用于检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括与该第一电容感应节点相邻的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点；该第一控制器还用于根据该第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节 点的第一电容感应量，确定该第一电容感应节点的第二电容感应量。
通过触控电容传感器检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括该第一电容感应节点邻近的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点，控制器根据该第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定该第一电容感应节点的第二电容感应量，这样通过指纹识别传感器周围的电容感应节点的电容感应量补偿指纹识别传感器所占据的电容感应节点的电容感应量，避免了使用指纹识别传感器内部的各像素电极的电容感应量进行补偿，降低了系统复杂度和指纹识别传感器的功耗。
在一些可能的实现方式中，该第一控制器具体用于：根据该第一电容感应节点的第一电容感应量和该邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定该第一电容感应节点的补偿系数；根据该补偿系数和该第一电容感应节点的第一电容感应量，确定该第一电容感应节点的第二电容感应量。
该补偿系数可以用于后续测量时使用的触碰物的触碰，节省系统功耗。
在一些可能的实现方式中，在有触碰物触碰该指纹识别传感器时，该触控电容传感器还用于检测该第一电容感应节点的第三电容感应量；该第一控制器还用于根据该补偿系数和该第三电容感应量，确定该第一电容感应节点的第四电容感应量。
在一些可能的实现方式中，该第一电容感应节点的第一电容感应量为在不触碰该指纹识别传感器时该触控电容传感器检测到的，该第二电容感应量和该第四电容感应量的差值用于确定该触碰物触碰该指纹识别传感器的重心位置坐标。
通过本申请实施例的电容感应量补偿方法得到的第二电容感应量，可以用于触碰物触碰该指纹识别传感器的重心位置坐标或者手势判断，或者其他应用等，本申请对此不进行限定。
在一些可能的实现方式中，该第一控制器具体用于将该邻接电容感应节点集合中的电容感应节点的第一电容感应量的平均值与该第一电容感应节 点的第一电容感应量的比值，确定为该第一电容感应节点的补偿系数。
在一些可能的实现方式中，该第一控制器具体用于将该补偿系数与该第三电容感应量的乘积确定为该第四电容感应量。
在一些可能的实现方式中，该第一控制器还用于检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括与该第一电容感应节点相邻的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点；该第一控制器还用于根据该邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和该第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定该第一电容感应节点的第二电容感应变化量。
通过指纹识别传感器周围的电容感应节点的电容感应变化量补偿指纹识别传感器所占据的电容感应节点的电容感应变化量，避免了使用指纹识别传感器内部的各像素电极的电容感应变化量进行补偿，降低了系统复杂度和指纹识别传感器的功耗。
在一些可能的实现方式中，该第一控制器具体用于：根据该邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和该第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定该第一电容感应节点的补偿系数；根据该补偿系数和该第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定该第二电容感应变化量。
在一些可能的实现方式中，该第一控制器还用于确定第一电容感应节点在触碰前后的第三电容感应变化量；该第一控制器还用于根据该补偿系数和该第三电容感应变化量，确定该第一电容感应节点的第四电容感应变化量。
在一些可能的实现方式中，该第四电容感应变化量用于确定该触碰物触碰该指纹识别传感器的重心位置坐标。
在一些可能的实现方式中，该第一控制器具体用于：将该邻接电容感应节点集合中的电容感应节点的第一电容感应量的平均值与该第一电容感应节点的第一电容感应量的比值，确定为该第一电容感应节点的补偿系数。
在一些可能的实现方式中，该第一控制器具体用于：将该补偿系数与该第三电容感应变化量的乘积确定为该第四电容感应变化量。
第二方面，本申请提供了一种确定触控装置的电容感应量的方法。该方法由第一方面或第一方面的任一种可能的实现方式所述的触控装置的模块执行。
第三方面，提供了一种终端设备，包括第一方面或第一方面任一种可能的实现方式所述的触控装置、显示屏、电池和芯片。
第四方面，提供了一种触控装置，包括：处理器、存储器和总线系统。其中，处理器、存储器通过总线系统相连，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，该处理器具体用于执行上述各种可能的实现方式中的确定触控装置的电容感应量的方法。
第五方面，提供了一种计算机存储介质，该计算机存储介质中存储有程序代码，该程序代码用于指示执行上述第二方面或第二方面的任一种可能的实现方式中的确定触控装置的电容感应量的方法的指令。
基于上述技术方案，本申请实施例的触控装置，通过布局指纹识别传感器的位置，能够仅通过触控电容传感器测量电容感应节点的电容感应量补偿指纹识别传感器所占用的位置所属的电容感应节点的电容感应量，避免使用指纹识别传感器检测电容感应量补偿电容感应量，降低了复杂度，节省了指纹识别传感器的功耗。
附图说明
图1是本申请一个实施例的触控装置的架构图；
图2是触控电容传感器中的部分感应节点的放大图；
图3是本申请一个实施例的触控装置的结构示意图；
图4a、图4b、图4c和图4d是本申请不同实施例的指纹识别传感器镶嵌在触控电容传感器的示意图；
图5是本申请另一个实施例的触控装置的系统示意图；
图6是本申请另一个实施例的触控装置的结构示意图；
图7是本申请一个实施例的确定触控装置的电容感应量的方法的示意性流程图；
图8是本申请一个实施例的触控电容传感器的结构示意图；
图9是本申请一个实施例的确定触控装置的电容感应量的方法的示意图；
图10是本申请又一个实施例的确定触控装置的电容感应量的方法的示 意图；
图11是本申请又一个实施例的确定触控装置的电容感应量的方法的示意性流程图；
图12是本申请又一个实施例的确定触控装置的电容感应量的方法的示意图；
图13是本申请又一个实施例的确定触控装置的电容感应量的方法的示意图；
图14是本申请又一个实施例的确定触控装置的电容感应量的方法的示意图；
图15是本申请一个实施例的触控装置的结构示意图。
具体实施方式
为了便于理解，先从整体上描述能够应用本申请实施例的系统架构的示例图。图1示出了本申请实施例的触控装置的架构图。图1为具有指纹识别功能的触控装置，该触控装置包括触控电容传感器110，指纹识别传感器120和检测处理电路130。其中，该触控电容传感器110包括多个感应节点111，指纹识别传感器120镶嵌在多个感应节点111中，而检测处理电路130包括触控检测电路131、指纹检测电路132和主控制器电路133。触控检测电路131用于采集触控电容传感器的电容感应量，指纹检测电路132用于采集指纹数据，主控制器电路133负责指纹传感器和电容传感器的数据传输，处理以及触控坐标运算等，这里的检测处理电路可以是单颗集成电路。
图2示出了触控电容传感器中的部分感应节点的放大图。触控电容传感器110包括的多个电容感应节点111呈矩阵排列，图2为三条型感应电极图案。其中，电容感应节点的边长分别为D1和D2。当然，实际工程应用中，电容感应节点的结构并不局限于图2所示的结构，例如，还可以是十字型感应电极图案等，本申请对此不进行限定。
在一些方案中，为了避免将指纹识别传感器与触控装置结合到一起后造成安装指纹识别传感器的区域形成触控盲区，通过指纹识别传感器内的指纹检测电路采集电容感应量，进而能够补偿指纹识别传感器所占据位置的电容感应量，也就是说，该方案需要同时采集指纹识别传感器的电容感应量和触控电容传感器的电容感应量，系统复杂度较高，且指纹识别传感器的功耗较 大。
图3示出了本申请实施例的触控装置的结构示意图。触控装置包括触控电容传感器110，指纹识别传感器120和检测处理电路130。该触控电容传感器110包括M个感应节点111和指纹识别传感器120，M为大于等于2的正整数。指纹识别传感器120镶嵌在M个电容感应节点111中的N个电容感应节点，即相当于将这N个电容感应节点的部分挖掉，将该指纹识别传感器嵌入。该指纹识别传感器120所占的位置不完全覆盖任何单个电容感应节点的位置。此外，该指纹识别传感器120的上表面可以与该触控电容传感器110的上表面平齐。该检测处理电路130与该触控电容传感器和该指纹识别传感器连接，且该检测处理电路130用于根据该触控电容传感器检测的该M个电容感应节点的第一电容感应量。
指纹识别传感器120镶嵌在M个电容感应节点111中的N个电容感应节点的结构可以如图4a、4b、4c和4d所示，可以位于触控电容传感器的中下部、底部、中间偏右部分或中下偏右部分，但本申请并不限于此。
由于指纹识别传感器120没有覆盖任意一个完整的电容感应节点，触控电容传感器能够检测到所包括的M个电容感应节点中每个电容感应节点的电容感应量，并通过该M个电容感应节点中除该N个电容感应节点外的电容感应节点的电容感应量补偿该N个电容感应节点由于被指纹识别传感器的占用而减少的电容感应量。因此，该触控装置通过布局指纹识别传感器的位置，能够仅通过触控电容传感器测量出的电容感应节点的电容感应量补偿指纹识别传感器所占用的位置所属的电容感应节点的电容感应量，不需要使用指纹识别传感器的检测对触控电容感应量进行补偿，降低了复杂度，节省了指纹识别传感器的功耗。
可选地，该M个电容感应节点的上表面可以平齐，且可以为矩形、椭圆形、圆形、正方形或者其他不规则的形状等，本申请对此不进行限定。为方便描述，本申请实施例以电容感应节点的上表面为矩形为例进行说明。
应理解，M个电容感应节点的上表面可以全部为相同的结构，或者部分相同，或者M个电容感应节点都不相同，本申请对此不进行限定。
类似地，指纹识别传感器的上表面也可以为矩形、椭圆形、圆形、正方形或者其他不规则的形状等，本申请对此不进行限定。为方便描述，本申请实施例以电容感应节点的上表面为矩形为例进行说明。
可选地，该M个电容感应节点中的至少两个电容感应节点的上表面可以共顶点或共边连接。一个电容感应节点的相邻感应节点也可以是与该电容感应节点有公共顶点或有公共边的电容感应节点。
可选地，该检测处理电路包括触控检测电路和第一控制器，该触控检测电路用于采集该触控电容传感器中每个电容感应节点的电容感应量，该第一控制器用于处理该触控电容传感器检测到的每个电容感应节点的电容感应量。
可选地，该检测处理电路还包括指纹检测电路，该指纹检测电路用于采集该指纹识别传感器的电容感应量，该第一控制器还用于处理该指纹识别传感器的电容感应量，即指纹检测电路可以与触控检测电路通过同一个控制器控制，例如，如图1中的主控制器电路133。
可选地，指纹检测电路可以与触控检测电路通过不同的控制器控制。例如，如图5所示，触控检测电路采集的电容感应量由微控制器1(表示为第一控制器)处理，而指纹识别传感器采集的电容感应量由微控制器2(表示为第二控制器)处理。
可选地，该触控电容传感器和该指纹识别传感器的上表面可以设置有保护层，如图6所示。其中，该保护层可以是矽土玻璃。
应理解，触碰物对电容感应节点或指纹识别传感器的触碰可以是触碰到保护层，通过保护层传递。
可选地，作为一个实施例，该触控电容传感器具体用于检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括与该第一电容感应节点相邻的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点；该第一控制器还用于根据该第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定该第一电容感应节点的第二电容感应量。
可选地，作为一个实施例，该第一控制器具体用于：根据该第一电容感应节点的第一电容感应量和该邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定该第一电容感应节点的补偿系数；根据该补偿系数和该第一电容感应节点的第一电容感应量，确定该第一电容感应节点的第二 电容感应量。第二电容感应量可视作第一电容感应量的修正后或者补偿后的电容感应量。
可选地，作为一个实施例，在有触碰物触碰该指纹识别传感器时，该触控电容传感器还用于检测该第一电容感应节点的第三电容感应量；该第一控制器还用于根据该补偿系数和该第三电容感应量，确定该第一电容感应节点的第四电容感应量。
可选地，作为一个实施例，该第一电容感应节点的第一电容感应量为在不触碰该指纹识别传感器时该触控电容传感器检测到的，该第二电容感应量和该第四电容感应量的差值用于确定该触碰物触碰该指纹识别传感器的重心位置坐标。
可选地，作为一个实施例，该第一控制器具体用于将该邻接电容感应节点集合中的电容感应节点的第一电容感应量的平均值与该第一电容感应节点的第一电容感应量的比值，确定为该第一电容感应节点的补偿系数。
可选地，作为一个实施例，该第一控制器具体用于将该补偿系数与该第三电容感应量的乘积确定为该第四电容感应量。
可选地，作为一个实施例，该第一控制器还用于检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括与该第一电容感应节点相邻的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点；该第一控制器还用于根据该邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和该第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定该第一电容感应节点的第二电容感应变化量。
可选地，作为一个实施例，该第一控制器具体用于：根据该邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和该第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定该第一电容感应节点在触碰物触碰前后的补偿系数；根据该补偿系数和该第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定该第二电容感应变化量。
可选地，作为一个实施例，该第一控制器还用于确定第一电容感应节点 在触碰前后的第三电容感应变化量；该第一控制器还用于根据该补偿系数和该第三电容感应变化量，确定该第一电容感应节点的第四电容感应变化量。
可选地，作为一个实施例，该第四电容感应变化量用于确定该触碰物触碰该指纹识别传感器的重心位置坐标。
可选地，作为一个实施例，该第一控制器具体用于：将该邻接电容感应节点集合中的电容感应节点的第一电容感应量的平均值与该第一电容感应节点的第一电容感应量的比值，确定为该第一电容感应节点的补偿系数。
可选地，作为一个实施例，该第一控制器具体用于：将该补偿系数与该第三电容感应变化量的乘积确定为该第四电容感应变化量。
因此，本申请实施例的触控装置，通过布局指纹识别传感器的位置，能够仅通过触控电容传感器测量电容感应节点的电容感应量补偿指纹识别传感器所占用的位置所属的电容感应节点的电容感应量，相比使用指纹识别传感器检测电容感应量补偿电容感应量，降低了复杂度，节省了指纹识别传感器的功耗。
图7示出了根据本申请实施例的一种确定触控装置的电容感应量的方法700。触控装置包括触控电容传感器、指纹识别传感器和控制器，该触控电容传感器包括M个电容感应节点，该M为正整数，且M≥2，该指纹识别传感器内嵌于该M个电容感应节点中的N个电容感应节点，N为正整数，且N≥1，在该触控装置上该指纹识别传感器所占位置不完全覆盖该M个电容感应节点中的任意一个电容感应节点所占的位置，该方法700包括：
S710，该触控电容传感器检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括该第一电容感应节点邻近的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点；
S720，该控制器根据该第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定该第一电容感应节点的第二电容感应量；
S730，该控制器根据该第二电容感应量确定该第一电容感应节点是否存在触碰。
具体而言，本申请实施例的确定触控装置的电容感应量的方法中的触控装置可以上述各实施例的任意一种触控装置(例如，如图1、图3和图5)，为避免重复，在此不再赘述。
触控电容传感器检测N个电容感应节点中的第一电容感应节点的电容感应量，以及检测第一电容感应节点周围相邻的且非该N个电容感应节点的电容感应节点的集合(表示为邻接电容感应节点集合)。由于第一电容感应节点的部分被挖掉嵌入指纹识别传感器，因此，该第一电容感应节点的电容感应量小于其周边电容感应节点的电容感应量。为了维持触控装置较好的线性度，根据相邻感应节点电容感应量相近的原则，本申请实施例通过周边未被指纹识别传感器占据的电容感应节点的电容感应量进行补偿。具体地，控制器(即上述主控制器电路或第一控制器)根据该邻接电容感应节点集合中每个电容感应节点的第一电容感应量，补偿该第一电容感应节点的第一电容感应量，并生成第二电容感应量，这样控制器可以根据该第二电容感应量确定该第一电容感应节点是否存在触碰。具体地，控制器可以预先存储不存在触碰时第一电容感应节点的电容感应量(即相当于基准电容感应量)，进而根据第二电容感应量与基准电容感应量是否相同，或者相差的电容感应量阈值等确定第一电容感应节点是否存在触碰。
应理解，触控电容传感器通过一次扫描可以同时检测到该M个电容感应节点中每个电容感应节点的电容感应量。
还应理解，嵌入指纹识别传感器的N个电容感应节点中每个电容感应节点都可以根据类似第一电容感应节点的补偿方法，补偿各自的第一电容感应量，并得到对应的第二电容感应量。
可选地，与第一电容感应节点相邻，可以是有公共边或公有共顶点的电容感应节点。
可选地，该第一控制器可以根据第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，先确定第一电容感应节点的补偿系数，再根据该补偿系数补偿第一电容感应节点的第一电容感应量，从而获得补偿后的第一电容感应节点的第二电容感应量。这样触控装置可以将该补偿系数进行存储，例如放入补偿系数库，例如可以设置表格等。当后续有触碰物触碰触控电容传感器时，第一控制器可以根据该补偿系数确定补偿后的电容感应量。
应理解，指纹识别传感器所占据的N个电容感应节点的补偿系数，可以分别进行计算，也就是说，该N个电容感应节点的补偿系数可以相同，也可以不同。
以一个具体的实施例进行说明，如图8所示，触控电容传感器具有12*16个电容感应节点，各电容感应节点呈矩阵排列，每个电容感应节点的边长为D1＝5mm，D2＝4mm。指纹识别传感器的尺寸为4*9mm。其中，TX5～TX6与RX9～RX10交叉的四个电容感应节点各有2/5的面积被指纹识别传感器所覆盖。在没有触碰物触碰触控装置时，触控电容传感器扫描全部的电容感应节点后，检测到未被指纹识别传感器占据的多个电容感应节点的电容感应量分别为a，而有指纹识别传感器占据的多个感应节点的电容感应量分别为b。具体电容感应量的测量值，如图9所示，其中TX5～TX6与RX9～RX10交叉的四个电容感应节点及其周边节点电容感应量。
由于TX5～TX6与RX9～RX10交叉的四个电容感应节点的电容感应量小于其周边电容感应节点的电容感应量。以TX5与RX9交叉的感应节点(TX5，RX9)为例，其相邻的未被指纹传感器占据的感应节点(即邻接电容感应节点集合)为(TX4，RX10),(TX4，RX9),(TX4，RX8),(TX5，RX8)和(TX6，RX8)。根据这些感应节点的电容感应量确定感应节点(TX5，RX9)的电容感应量，例如，将这些感应节点的电容感应量的平均值确定为(TX5，RX9)补偿后的电容感应量，即为(921+920+930+9229+966)/5＝933.2，或者还可以取整数为933，如图10所示。
可选地，该第一控制器可以将该邻接电容感应节点集合中的电容感应节点的第一电容感应量的平均值与该第一电容感应节点的第一电容感应量的比值，确定为该第一电容感应节点的补偿系数。
具体地，将图9中感应节点(TX5，RX9)相邻的感应节点的电容感应量求平均后除以该节点的电容感应量得到补偿系数。补偿系数可存放在查找表中，后续控制器可以根据该补偿系数确定补偿后的电容感应量。
可选地，该触控电容传感器检测第一电容感应节点的第三电容感应量，该第三电容感应量不同于该第一电容感应量；该控制器根据该补偿系数和该第三电容感应量，确定该第一电容感应节点的第四电容感应量。可选地，该控制器将该补偿系数与该第三电容感应量的乘积确定为该第四电容感应量。
具体地，每一次扫描完各感应节点后，待补偿的多个电容感应量b可以 乘以对应的补偿系数便可以得到补偿后的多个电容感应量c，如图10所示。
可选地，该第二电容感应量和该第四电容感应量的差值用于确定该触碰物触碰该指纹识别传感器的重心位置坐标。当有触碰物件在触控装置上操作时，触控电容传感器扫描完各感应节点并完成补偿运算后，根据前后帧多个电容感应量a和多个电容感应量c的变化量便可计算出触控物件的坐标，或者识别出触控物件的手势。
因此，本申请实施例的确定触控装置的电容感应量的方法，通过触控电容传感器检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括该第一电容感应节点邻近的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点，控制器根据该第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定该第一电容感应节点的第二电容感应量，这样通过指纹识别传感器周围的电容感应节点的电容感应量补偿指纹识别传感器所占据的电容感应节点的电容感应量，避免了使用指纹识别传感器内部的各像素电极的电容感应量进行补偿，降低了系统复杂度和指纹识别传感器的功耗。
图11示出了根据本申请实施例的一种确定触控装置的电容感应量的方法1100。触控装置包括触控电容传感器、指纹识别传感器和控制器，该触控电容传感器包括M个电容感应节点，该M为正整数，且M≥2，该指纹识别传感器内嵌于该M个电容感应节点中的N个电容感应节点，N为正整数，且N≥1，在该触控装置上该指纹识别传感器所占位置不完全覆盖该M个电容感应节点中的任意一个电容感应节点所占的位置，该方法1100包括：
S1110，该触控电容传感器检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括与该第一电容感应节点相邻的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点；
S1120，该控制器根据该邻接电容感应节点集合中每个电容感应节点在 该触碰物触碰前后的第一电容感应变化量和该第一电容感应节点在该触碰物触碰前后的第一电容感应变化量，确定该第一电容感应节点的第二电容感应变化量；
S1130，该控制器根据该第二电容变化量确定该第一电容感应节点是否存在触碰。
具体而言，在没有触碰物触碰指纹识别传感器时，触控传感器检测到第一电容感应节点的第一电容感应量，在有触碰物触碰指纹识别传感器时，触控传感器检测到第一电容感应节点的第三电容感应量，控制器将该第一电容感应量与第三电容感应量的差值，确定为第一电容感应节点的第一电容感应变化量。同样控制器也可以确定出邻接电容感应节点集合中各感应节点的第一电容感应变化量。由于第一电容感应节点的部分被挖掉嵌入指纹识别传感器，因此，该第一电容感应节点的电容感应变化量小于其周边电容感应节点的电容感应变化量。为了维持触控装置较好的线性度，根据相邻感应节点电容感应变化量相近的原则，本申请实施例通过周边未被指纹识别传感器占据的电容感应节点的电容感应变化量进行补偿。具体地控制器就可以根据邻接电容感应节点集合中各感应节点的第一电容感应变化量，补偿第一电容感应节点的第一电容感应变化量，生成第二电容感应变化量，这样控制器就可以根据该第二电容变化量确定该第一电容感应节点是否存在触碰。具体地，控制器可以根据第二电容变化量与预先确定的基准电容变化量是否相同，或第二电容变化量与预先确定的基准电容变化量相差的电容变化量阈值确定第一电容感应节点是否存在触碰。
应理解，触碰物触碰前后，电容感应节点的电容感应变化量可以是触碰物触碰一次的结果值，也可以是使用该触碰物件触碰多次得到的触碰前后电容感应量变化的最大变化值。
还应理解，本申请实施例中的各种术语的含义与前述各实施例相同，为避免重复，在此不再赘述。
需要说明的是，本申请实施例中测量触碰物触碰前后变化的电容感应节点应该使用同一个触碰物，但是本申请实施例并不限于应用于同一种触碰物。
可选地，该控制器可以根据该邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和该第一电容感应节点在触碰物触碰前后的第一电容感应变化量，先确定该第一电容感应节点的补偿系数， 再根据该补偿系数补偿该第一电容感应节点在触碰物触碰前后的第一电容感应变化量生成第二电容感应变化量。
需要说明的是，该补偿系数可以用于后续测量时使用的触碰物的触碰。也就是说，根据一个触碰物确定出的补偿系数，只能用于该触碰物触碰后的补偿运算。例如，若使用手指触碰确定的触碰系数，后续用于手指触碰的补偿运算；若使用触碰笔确定的触碰系数，后续用于触碰笔的补偿运算。触控装置，可以根据触碰面积或者其他特征区对触碰物分类，分别进行存储补偿系数。
以一个具体的实施例进行说明，触控电容传感器和指纹识别传感器的结构以如图8所示为例，如图12所示，TX5～TX6与RX9～RX10交叉的四个电容感应节点及其周边节点电容感应变化量。以TX5与RX9交叉的感应节点(TX5，RX9)为例，其相邻的未被指纹传感器占据的感应节点(即邻接电容感应节点集合)为(TX4，RX10),(TX4，RX9),(TX4，RX8),(TX5，RX8)和(TX6，RX8)。根据这些感应节点的电容感应变化量确定感应节点(TX5，RX9)的电容感应变化量，例如，将这些感应节点的电容感应变化量的平均值确定为(TX5，RX9)补偿后的电容感应变化量，如图13所示。
可选地，该方法还包括：该触控电容传感器检测第一电容感应节点的第三电容感应量，该第三电容感应量不同于该第一电容感应量；该控制器根据该补偿系数和该第三电容感应量，确定该第一电容感应节点的第四电容感应量。
具体地，将图12中感应节点(TX5，RX9)相邻的感应节点的电容感应变化量求平均后除以该节点的电容感应变化量得到补偿系数。补偿系数可存放在查找表中，后续控制器可以根据该补偿系数确定补偿后的电容感应变化量。
可选地，该触控电容传感器确定第一电容感应节点在触碰前后的第三电容感应变化量；该控制器根据该补偿系数和该第三电容感应变化量，确定该第一电容感应节点的第四电容感应变化量。
可选地，该第四电容感应变化量用于确定该触碰物触碰该指纹识别传感器的重心位置坐标。
例如，当有触碰物件在触控装置上操作时，第一控制器补偿电容感应变化量后得到的如图14所示的数据，图14中椭圆形为手指(即触碰物)触碰指纹识别传感器，D1，D2，…，D9为各电容感应节点的电容感应变化量， x1，x2，x3和y1，y2，y3为各感应节点的对应的x方向和y方向的坐标。这样触控装置可以根据下述公式计算出触碰该指纹识别传感器的重心位置坐标(XA，YA)：
Figure PCTCN2017070207-appb-000001
Figure PCTCN2017070207-appb-000002
应理解，触碰物可以是手指，也可以是触屏笔等，本申请对此不进行限定。
因此，本申请实施例的确定触控装置的电容感应量的方法，通过触控电容传感器检测第一电容感应节点的第一电容感应变化量和邻接电容感应节点集合中每个电容感应节点的第一电容感应变化量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括该第一电容感应节点邻近的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点，控制器根据该第一电容感应节点的第一电容感应变化量和邻接电容感应节点集合中每个电容感应节点的第一电容感应变化量，确定该第一电容感应节点的第二电容感应变化量，这样通过指纹识别传感器周围的电容感应节点的电容感应变化量补偿指纹识别传感器所占据的电容感应节点的电容感应变化量，避免了使用指纹识别传感器内部的各像素电极的电容感应变化量进行补偿，降低了系统复杂度和指纹识别传感器的功耗。
可选地，本申请实施例提供了一种终端设备，包括根据前述的触控装置。该终端设备包括但不限于手机、移动台、平板电脑或数码相机。
图15示出了本申请实施例提供的触控装置的结构示意图。如图15所示，该触控装置包括至少一个收发器1505(接收器/发送器1505)。该触控装置还包括至少一个处理器1502(例如具有计算和处理能力的通用处理器CPU、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)等)，和存储器1506，处理器1502用于对触控装置内控制器和触控感应器。图5中的触控电容传感器110、微控制器1可以通过处理器1502实现。该触控装置还包括至少一个收发器1505(接收器/发送器)，存储器1506。触控装 置的各个组件通过内部连接通路互相通信，传递控制和/或数据信号。
上述本申请实施例揭示的方法可以应用于处理器1502，或者用于执行存储器1506中存储的可执行模块，例如计算机程序。存储器1506可能包含高速随机存取存储器(RAM:Random Access Memory)，也可能还包括非不稳定的存储器(non-volatile memory)，存储器可以包括只读存储器和随机存取存储器，并向处理器提供需要的信令或数据、程序等等。存储器的一部分还可以包括非易失行随机存取存储器(NVRAM)。通过至少一个收发器1505(可以是有线或者无线)实现与至少一个其他网元之间的通信连接。
在一些实施方式中，存储器1506存储了程序15061，处理器1502执行程序15061，用于执行以下操作：
检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括与该第一电容感应节点相邻的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点；
根据该第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定该第一电容感应节点的第二电容感应量，或根据该邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和该第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定该第一电容感应节点的第二电容感应变化量；
根据该第二电容感应量和/或该第二电容变化量确定该第一电容感应节点是否存在触碰。
需要说明的是，该触控装置可以具体为图3至图6所示的实施例中的触控装置，并且可以用于执行图7或图11所示的方法实施例中与触控装置对应的各个步骤和/或流程。
从本申请实施例提供的以上技术方案可以看出，通过触控电容传感器检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，该第一电容感应节点为该N个电容感应节点中的任意一个电容感应节点，该邻接电容感应节点集合包括该第一电容感应节点邻近的所有第二电容感应节点，该第二电容感应节点为该M个电容感应节点中除该N个电容感应节点外的电容感应节点，控制器根据该第一电容 感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定该第一电容感应节点的第二电容感应量，这样通过指纹识别传感器周围的电容感应节点的电容感应量补偿指纹识别传感器所占据的电容感应节点的电容感应量，避免了使用指纹识别传感器内部的各像素电极的电容感应量进行补偿，降低了系统复杂度和指纹识别传感器的功耗。
本申请实施例还提供一种计算机存储介质，该计算机存储介质可以存储用于指示上述任一种方法的程序指令。
可选地，该存储介质具体可以为存储器1506。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，该单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作 为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以该权利要求的保护范围为准。

Claims (31)

  1. 一种触控装置，其特征在于，包括：
    触控电容传感器，所述触控电容传感器包括M个电容感应节点，所述M为正整数，且M≥2，所述触控电容传感器用于检测所述M个电容感应节点的第一电容感应量；
    指纹识别传感器，所述指纹识别传感器内嵌于所述M个电容感应节点中的N个电容感应节点，N为正整数，且N≥1，在所述触控装置上所述指纹识别传感器所占位置不完全覆盖所述M个电容感应节点中的任意一个电容感应节点所占的位置；
    检测及处理触控电路，所述检测处理电路与所述触控电容传感器和所述指纹识别传感器连接，所述检测处理电路用于根据所述触控电容传感器检测的所述M个电容感应节点的第一电容感应量，补偿所述N个电容感应节点的第一电容感应量生成第二电容感应量，所述第二电容感应量用于确定所述N个电容感应节点是否存在触碰。
  2. 根据权利要求1所述的触控装置，其特征在于，所述检测处理电路包括触控检测电路和第一控制器，所述触控检测电路用于采集所述触控电容传感器的电容感应量，所述第一控制器用于处理所述触控检测电路采集的电容感应量。
  3. 根据权利要求2所述的触控装置，其特征在于，所述检测处理电路还包括指纹检测电路，所述指纹检测电路用于采集所述指纹识别传感器的电容感应量，所述第一控制器还用于处理所述指纹识别传感器的的电容感应量。
  4. 根据权利要求2所述的触控装置，其特征在于，所述检测处理电路还包括指纹检测电路和第二控制器，所述指纹检测电路用于采集所述指纹识别传感器的电容感应量，所述第二控制器用于处理所述指纹识别传感器的电容感应量，且所述第一控制器不同于所述第二控制器。
  5. 根据权利要求2至4中任一项所述的触控装置，其特征在于，所述触控电容传感器和所述指纹识别传感器的上表面设置有保护层。
  6. 根据权利要求2至5中任一项所述的触控装置，所述电容感应节点的上表面为矩形。
  7. 根据权利要求2至5中任一项所述的触控装置，所述指纹识别传感器的上表面为矩形。
  8. 根据权利要求2至6中任一项所述的触控装置，所述M个电容感应节点中的至少两个电容感应节点的上表面共顶点或共边连接。
  9. 根据权利要求2至8中任一项所述的触控装置，其特征在于，所述触控电容传感器具体用于检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，所述第一电容感应节点为所述N个电容感应节点中的任意一个电容感应节点，所述邻接电容感应节点集合包括与所述第一电容感应节点相邻的所有第二电容感应节点，所述第二电容感应节点为所述M个电容感应节点中除所述N个电容感应节点外的电容感应节点；
    所述第一控制器还用于根据所述第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定所述第一电容感应节点的第二电容感应量。
  10. 根据权利要求9所述的触控装置，其特征在于，所述第一控制器具体用于：
    根据所述第一电容感应节点的第一电容感应量和所述邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定所述第一电容感应节点的补偿系数；
    根据所述补偿系数和所述第一电容感应节点的第一电容感应量，确定所述第一电容感应节点的第二电容感应量。
  11. 根据权利要求9所述的触控装置，其特征在于，在有触碰物触碰所述指纹识别传感器时，所述触控电容传感器还用于检测所述第一电容感应节点的第三电容感应量；
    所述第一控制器还用于根据所述补偿系数和所述第三电容感应量，确定所述第一电容感应节点的第四电容感应量。
  12. 根据权利要求11所述的触控装置，其特征在于，所述第一电容感应节点的第一电容感应量为在不触碰所述指纹识别传感器时所述触控电容传感器检测到的，所述第二电容感应量和所述第四电容感应量的差值用于确定所述触碰物触碰所述指纹识别传感器的重心位置坐标。
  13. 根据权利要求11或12所述的触控装置，其特征在于，所述第一控制器具体用于将所述邻接电容感应节点集合中的电容感应节点的第一电容感应量的平均值与所述第一电容感应节点的第一电容感应量的比值，确定为 所述第一电容感应节点的补偿系数。
  14. 根据权利要求11至13中任一项所述的触控装置，其特征在于，所述第一控制器具体用于将所述补偿系数与所述第三电容感应量的乘积确定为所述第四电容感应量。
  15. 根据权利要求1至8中任一项所述的触控装置，其特征在于，所述第一控制器还用于检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，所述第一电容感应节点为所述N个电容感应节点中的任意一个电容感应节点，所述邻接电容感应节点集合包括与所述第一电容感应节点相邻的所有第二电容感应节点，所述第二电容感应节点为所述M个电容感应节点中除所述N个电容感应节点外的电容感应节点；
    所述第一控制器还用于根据所述邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和所述第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定所述第一电容感应节点的第二电容感应变化量。
  16. 根据权利要求15所述的触控装置，其特征在于，所述第一控制器具体用于：
    根据所述邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和所述第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定所述第一电容感应节点的补偿系数；
    根据所述补偿系数和所述第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定所述第二电容感应变化量。
  17. 根据权利要求16所述的触控装置，其特征在于，所述第一控制器还用于确定第一电容感应节点在触碰前后的第三电容感应变化量；
    所述第一控制器还用于根据所述补偿系数和所述第三电容感应变化量，确定所述第一电容感应节点的第四电容感应变化量。
  18. 根据权利要求17所述的触控装置，其特征在于，所述第四电容感应变化量用于确定所述触碰物触碰所述指纹识别传感器的重心位置坐标。
  19. 根据权利要求17或18所述的触控装置，其特征在于，所述第一控制器具体用于：将所述邻接电容感应节点集合中的电容感应节点的第一电容感应量的平均值与所述第一电容感应节点的第一电容感应量的比值，确定为 所述第一电容感应节点的补偿系数。
  20. 根据权利要求17至19中任一项所述的触控装置，其特征在于，所述第一控制器具体用于：
    将所述补偿系数与所述第三电容感应变化量的乘积确定为所述第四电容感应变化量。
  21. 一种确定触控装置的电容感应量的方法，其特征在于，所述触控装置包括触控电容传感器、指纹识别传感器和控制器，所述触控电容传感器包括M个电容感应节点，所述M为正整数，且M≥2，所述指纹识别传感器内嵌于所述M个电容感应节点中的N个电容感应节点，N为正整数，且N≥1，在所述触控装置上所述指纹识别传感器所占位置不完全覆盖所述M个电容感应节点中的任意一个电容感应节点所占的位置，所述方法包括：
    所述触控电容传感器检测第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，所述第一电容感应节点为所述N个电容感应节点中的任意一个电容感应节点，所述邻接电容感应节点集合包括与所述第一电容感应节点相邻的所有第二电容感应节点，所述第二电容感应节点为所述M个电容感应节点中除所述N个电容感应节点外的电容感应节点；
    所述控制器根据所述第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定所述第一电容感应节点的第二电容感应量，或根据所述邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和所述第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定所述第一电容感应节点的第二电容感应变化量；
    所述控制器根据所述第二电容感应量和/或所述第二电容变化量确定所述第一电容感应节点是否存在触碰。
  22. 根据权利要求21所述的方法，其特征在于，所述控制器根据所述第一电容感应节点的第一电容感应量和邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定所述第一电容感应节点的第二电容感应量包括：
    所述控制器根据所述第一电容感应节点的第一电容感应量和所述邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定所述第一电 容感应节点的补偿系数；
    所述控制器根据所述补偿系数和所述第一电容感应节点的第一电容感应量，确定所述第一电容感应节点的第二电容感应量。
  23. 根据权利要求22所述的方法，其特征在于，所述方法还包括：
    在有触碰物触碰所述指纹识别传感器时，所述触控电容传感器检测所述第一电容感应节点的第三电容感应量；
    所述控制器根据所述补偿系数和所述第三电容感应量，确定所述第一电容感应节点的第四电容感应量。
  24. 根据权利要求23所述的方法，其特征在于，所述第一电容感应节点的第一电容感应量为在不触碰所述指纹识别传感器时所述触控电容传感器检测到的，所述第二电容感应量和所述第四电容感应量的差值用于确定所述触碰物触碰所述指纹识别传感器的重心位置坐标。
  25. 根据权利要求23或24所述的方法，其特征在于，所述控制器根据所述第一电容感应节点的第一电容感应量和所述邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定所述第一电容感应节点的补偿系数包括：
    所述控制器将所述邻接电容感应节点集合中的电容感应节点的第一电容感应量的平均值与所述第一电容感应节点的第一电容感应量的比值，确定为所述第一电容感应节点的补偿系数。
  26. 根据权利要求23至25中任一项所述的方法，其特征在于，所述控制器根据所述补偿系数和所述第三电容感应量，确定所述第一电容感应节点的第四电容感应量包括：
    所述控制器将所述补偿系数与所述第三电容感应量的乘积确定为所述第四电容感应量。
  27. 根据权利要求21所述的方法，其特征在于，所述控制器根据所述邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和所述第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定所述第一电容感应节点的第二电容感应变化量包括：
    所述控制器根据所述邻接电容感应节点集合中每个电容感应节点在触碰物触碰前后的第一电容感应变化量和所述第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定所述第一电容感应节点的补偿系数；
    所述控制器根据所述补偿系数和所述第一电容感应节点在触碰物触碰前后的第一电容感应变化量，确定所述第二电容感应变化量。
  28. 根据权利要求27所述的方法，其特征在于，所述方法还包括：
    所述控制器确定第一电容感应节点在触碰前后的第三电容感应变化量；
    所述控制器根据所述补偿系数和所述第三电容感应变化量，确定所述第一电容感应节点的第四电容感应变化量。
  29. 根据权利要求28所述的方法，其特征在于，所述第四电容感应变化量用于确定所述触碰物触碰所述指纹识别传感器的重心位置坐标。
  30. 根据权利要求28或29所述的方法，其特征在于，所述控制器根据所述第一电容感应节点的第一电容感应量和所述邻接电容感应节点集合中每个电容感应节点的第一电容感应量，确定所述第一电容感应节点的补偿系数包括：
    所述控制器将所述邻接电容感应节点集合中的电容感应节点的第一电容感应量的平均值与所述第一电容感应节点的第一电容感应量的比值，确定为所述第一电容感应节点的补偿系数。
  31. 根据权利要求28至30中任一项所述的方法，其特征在于，所述控制器根据所述补偿系数和所述第三电容感应变化量，确定所述第一电容感应节点的第四电容感应变化量包括：
    所述控制器将所述补偿系数与所述第三电容感应变化量的乘积确定为所述第四电容感应变化量。
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