CN106468978B - Method and device for realizing compatibility of touch key and fingerprint identification and terminal equipment - Google Patents
Method and device for realizing compatibility of touch key and fingerprint identification and terminal equipment Download PDFInfo
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- CN106468978B CN106468978B CN201510505761.7A CN201510505761A CN106468978B CN 106468978 B CN106468978 B CN 106468978B CN 201510505761 A CN201510505761 A CN 201510505761A CN 106468978 B CN106468978 B CN 106468978B
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Abstract
The disclosure relates to a method and a device for realizing compatibility of touch keys and fingerprint identification and terminal equipment, and belongs to the technical field of terminal equipment. The device includes: the fingerprint sensor is arranged below the cover plate, the capacitive touch key sensor is arranged on the surface of the fingerprint sensor opposite to the cover plate, and the capacitive touch key sensor is attached to the lower surface of the cover plate; the capacitance touch key circuit is used for analyzing and processing capacitance information acquired by the capacitance touch key sensor to obtain capacitance variation; the fingerprint identification circuit is used for analyzing and processing fingerprint information acquired by the fingerprint sensor to obtain a fingerprint analysis result. The device can independently realize the fingerprint identification function and the touch key function respectively, and then reaches the purpose that touch key function and fingerprint identification function are compatible.
Description
Technical Field
The disclosure relates to the technical field of terminal equipment, in particular to a method and a device for realizing compatibility between a touch key and fingerprint identification and terminal equipment.
Background
At present, fingerprint identification technology has been widely applied to various electronic devices, such as various intelligent terminal devices, e.g., access control and attendance systems, notebook computers, smart phones, and the like. Taking a smart phone as an example, with the continuous development of smart phones, a great deal of demands related to fingerprint identification appear, for example, the mobile phone is unlocked by adopting fingerprint identification, privacy information is protected, and transaction security is ensured.
BRIEF SUMMARY OF THE PRESENT DISCLOSURE
In order to overcome the problems of the related art, the disclosure provides a method and a device for realizing compatibility between a touch key and fingerprint identification, and a terminal device.
According to a first aspect of the embodiments of the present disclosure, there is provided a device for implementing compatibility between a touch key and fingerprint identification, the device including:
the fingerprint sensor is used for collecting fingerprint information applied to a cover plate of the terminal equipment and is arranged below the cover plate;
the capacitive touch key sensor is used for collecting capacitive information applied to the cover plate, the capacitive touch key sensor is arranged on the surface, opposite to the cover plate, of the fingerprint sensor, and the capacitive touch key sensor is attached to the lower surface of the cover plate;
the capacitance touch key circuit is used for analyzing and processing capacitance information acquired by the capacitance touch key sensor to obtain capacitance variation;
and the fingerprint identification circuit is used for analyzing and processing the fingerprint information acquired by the fingerprint sensor to obtain a fingerprint analysis result.
According to an implementation manner of the first aspect of the embodiments of the present disclosure, the fingerprint sensor has an electrode layer for collecting fingerprint information, the capacitance sensor is a conductive layer disposed on the electrode layer, and an insulating layer is disposed between the conductive layer and the electrode layer.
According to another implementation of the first aspect of the embodiments of the present disclosure, the conductive layer covers the entire effective detection area of the fingerprint sensor.
According to another implementation of the first aspect of the embodiments of the present disclosure, the fingerprint sensor has an electrode layer for collecting fingerprint information, and the capacitive touch sensor is the electrode layer.
According to another implementation of the first aspect of the embodiments of the present disclosure, the fingerprint sensor is an ultrasonic sensor, and the electrode layer is a signal receiving electrode layer.
According to another implementation manner of the first aspect of the embodiments of the present disclosure, the apparatus further includes:
the switch is used for conducting the capacitive touch key circuit and the capacitive touch key sensor and disconnecting the fingerprint identification circuit and the fingerprint sensor; or the fingerprint identification circuit and the fingerprint sensor are connected and the capacitance touch key circuit and the capacitance touch key sensor are disconnected.
According to another implementation manner of the first aspect of the embodiments of the present disclosure, the apparatus further includes:
a processor for controlling the switch; judging whether touch key operation is applied to the cover plate or not according to the capacitance variation obtained by the capacitance touch key circuit; and performing fingerprint identity authentication according to the fingerprint analysis result obtained by the fingerprint identification circuit.
According to another implementation of the first aspect of the embodiments of the present disclosure, the capacitive touch key sensor is made of a transparent conductive material, silver paste, or copper foil.
According to a second aspect of the embodiments of the present disclosure, a terminal device is provided, where the terminal device includes a cover plate and the apparatus as described above, the cover plate is provided with a detection area, and the apparatus is located below the detection area of the cover plate.
According to a third aspect of the embodiments of the present disclosure, there is provided a method for implementing compatibility between a touch key and fingerprint identification, which is applied to the apparatus for implementing compatibility between a touch key and fingerprint identification as described above, the method including:
receiving a touch operation on a detection area of a cover plate of the terminal equipment;
controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment, and controlling the fingerprint collecting circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; alternatively, the first and second electrodes may be,
and controlling the capacitive touch sensor to collect capacitance information on the cover plate, and controlling the capacitive touch circuit to analyze and process the collected capacitance information to obtain capacitance variation.
According to an implementation manner of the third aspect of the embodiments of the present disclosure, the controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of a terminal device includes:
when a fingerprint identification instruction sent by an upper application is received, controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment;
the control the capacitive touch sensor gathers capacitance information on the apron, include:
and when a key opening instruction sent by an upper application is received, controlling the capacitive touch sensor to acquire the capacitive information on the cover plate.
According to another implementation manner of the third aspect of the embodiments of the present disclosure, when a fingerprint identification instruction sent by an upper application is received, controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of a terminal device includes:
when a fingerprint identification instruction sent by a data access application or a payment application is received, the fingerprint sensor is controlled to collect fingerprint information applied to a cover plate of the terminal equipment.
According to another implementation manner of the third aspect of the embodiments of the present disclosure, controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of a terminal device includes:
when the terminal equipment is in a locked state, judging whether the capacitive touch key sensor is triggered or not;
and if the capacitive touch key sensor is triggered, controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment.
According to another implementation of the third aspect of the embodiments of the present disclosure, the method further comprises:
performing identity authentication according to the fingerprint analysis result; or judging whether the capacitive touch sensor is triggered or not according to the capacitance variation.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a device for implementing compatibility between a touch key and fingerprint identification, the device including:
the terminal device comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving touch operation on a detection area of a cover plate of the terminal device;
the control module is used for controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment and controlling the fingerprint collecting circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; or controlling the capacitive touch sensor to collect capacitance information on the cover plate, and controlling the capacitive touch circuit to analyze and process the collected capacitance information to obtain capacitance variation.
According to an implementation manner of the fourth aspect of the embodiment of the present disclosure, the control module is configured to control the fingerprint sensor to collect fingerprint information applied to a cover plate of a terminal device when receiving a fingerprint identification instruction sent by an upper application; and when a key opening instruction sent by an upper application is received, controlling the capacitive touch sensor to acquire the capacitive information on the cover plate.
According to another implementation manner of the fourth aspect of the embodiment of the present disclosure, the control module is configured to control the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal device when receiving a fingerprint identification instruction sent by a data access application or a payment application.
According to another implementation of the fourth aspect of the embodiments of the present disclosure, the control module includes:
the judging submodule is used for judging whether the capacitive touch key sensor is triggered or not when the terminal equipment is in a locked state;
and the control submodule is used for controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment when the capacitive touch key sensor is triggered.
According to another implementation of the fourth aspect of the embodiments of the present disclosure, the apparatus further includes:
the processing module is used for carrying out identity authentication according to the fingerprint analysis result; or judging whether the capacitive touch sensor is triggered or not according to the capacitance variation.
According to a fifth aspect of the embodiments of the present disclosure, there is provided a terminal device, including:
a processor;
a memory for storing processor-executable instructions;
the fingerprint sensor is used for collecting fingerprint information applied to a cover plate of the terminal equipment;
the capacitive touch key sensor is used for acquiring capacitive information applied to the cover plate;
the capacitance touch key circuit is used for analyzing and processing capacitance information acquired by the capacitance touch key sensor to obtain capacitance variation;
the fingerprint identification circuit is used for analyzing and processing the fingerprint information acquired by the fingerprint sensor to obtain a fingerprint analysis result;
wherein the processor is configured to:
receiving a touch operation on a detection area of a cover plate of the terminal equipment;
controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment, and controlling the fingerprint collecting circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; alternatively, the first and second electrodes may be,
and controlling the capacitive touch sensor to collect capacitance information on the cover plate, and controlling the capacitive touch circuit to analyze and process the collected capacitance information to obtain capacitance variation.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
through setting up fingerprint sensor in the apron below, locate fingerprint sensor with electric capacity touch key sensor and lap relative surface and the laminating at the lower surface of apron, electric capacity touch key sensor and fingerprint sensor can gather required information respectively, coordinate fingerprint identification circuit and electric capacity touch key circuit and independently realize fingerprint identification function and touch key function respectively, and then reach touch key function and fingerprint identification function compatible purpose.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of a related art of the present disclosure;
FIG. 2 is a schematic diagram illustrating a configuration of a touch key and fingerprint recognition compatible implementation apparatus according to an exemplary embodiment;
FIG. 3 is a schematic diagram illustrating a configuration of a touch key and fingerprint recognition compatible implementation apparatus according to an exemplary embodiment;
FIG. 4 is a schematic diagram illustrating a configuration of a touch key and fingerprint recognition compatible implementation apparatus according to an exemplary embodiment;
FIG. 5 is a schematic diagram illustrating a fingerprint sensor in accordance with an exemplary embodiment;
FIG. 6a is a block diagram of a terminal device according to an example embodiment;
FIG. 6b is a schematic top view of the terminal device shown in FIG. 6 a;
FIG. 7 is a flow diagram illustrating a touch key and fingerprint recognition compatible implementation in accordance with an exemplary embodiment;
FIG. 8 is a flow diagram illustrating a touch key and fingerprint recognition compatible implementation in accordance with an exemplary embodiment;
FIG. 9 is a block diagram illustrating a touch key and fingerprint recognition compatible implementation apparatus in accordance with an exemplary embodiment;
fig. 10 is a block diagram illustrating a structure of a terminal device according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Fig. 1 is a schematic diagram illustrating a structure of a terminal device using a fingerprint recognition sensor according to the related art. As shown in fig. 1, the terminal device includes a fingerprint recognition sensor 11, a physical button 12, a Printed Circuit Board (PCB) board 13, and a glass cover 14.
The physical key 12 is located above the PCB 13, the fingerprint sensor 11 is located above the physical key 12, a through hole is formed in the glass cover plate 14 corresponding to the fingerprint sensor 11, and the fingerprint sensor 11 is exposed out of the glass cover plate 14 through the through hole.
The terminal device further comprises a processor to which the physical keys 12 are connected and a fingerprint recognition circuit (not shown in fig. 1) connected to the processor and the fingerprint recognition sensor 11, respectively.
When the physical key 12 is pressed, a displacement is generated, and when the displacement reaches a certain degree, a key signal is generated. The thickness of the terminal equipment is larger because the physical keys must be moved to a certain physical displacement to generate key signals. In addition, in order to physically displace the physical keys 12, a through hole needs to be formed in the glass cover 14, which reduces the structural strength of the glass cover 14.
Fig. 2 is a schematic structural diagram illustrating a touch key and fingerprint identification compatible implementation apparatus according to an exemplary embodiment, where as shown in fig. 2, the apparatus includes: a capacitive touch key sensor 21, a fingerprint sensor 22, a capacitive touch key circuit 23, and a fingerprint identification circuit 24.
The fingerprint sensor 22 is provided with a function of collecting fingerprint information applied to the cover plate 20 of the terminal device, and the fingerprint sensor is arranged below the cover plate 20. The capacitive touch key sensor 21 is used for collecting capacitance information applied to the cover plate 20, the capacitive touch key sensor 21 is arranged on the surface of the fingerprint sensor 22 opposite to the cover plate 20, and the capacitive touch key sensor 21 is connected with the lower surface of the cover plate 20. The capacitance touch key circuit 23 is connected to the capacitance touch key sensor 21, and is configured to analyze and process capacitance information acquired by the capacitance touch key sensor 21 to obtain a capacitance variation. The fingerprint identification circuit 22 is connected to the fingerprint sensor 22, and is configured to analyze and process the fingerprint information collected by the fingerprint sensor 22 to obtain a fingerprint analysis result.
In the embodiment of the present disclosure, the capacitive touch key sensor is disposed on a surface of the fingerprint sensor opposite to the cover plate, and includes the following two conditions: the capacitive touch key sensor and the fingerprint sensor are mutually independent, and the capacitive touch key sensor is clamped between the fingerprint sensor and the cover plate (see the embodiment shown in FIG. 3); secondly, the capacitive touch key sensor is a part of the fingerprint sensor (see the embodiment shown in fig. 4), in this case, the integration level of the terminal device can be increased, and further, the internal space of the terminal device can be saved.
This disclosed embodiment is through setting up fingerprint sensor in the apron below, locates fingerprint sensor's the surface relative with the apron and the lower surface of laminating at the apron with electric capacity touch key sensor, and electric capacity touch key sensor and fingerprint sensor can gather required information respectively, and cooperation fingerprint identification circuit and electric capacity touch key circuit realize fingerprint identification function and touch key function respectively independently, and then reach touch key function and fingerprint identification function compatible purpose. In addition, the touch key sensor collects capacitance information during touch, and the touch key sensor does not need to move for a certain stroke during information collection, so that the thickness of the terminal equipment can be reduced, through holes do not need to be correspondingly formed in the cover plate, the structural strength of the cover plate is enhanced, and meanwhile, the processing technology of the cover plate can be simplified.
Fig. 3 is a block diagram illustrating a touch key and fingerprint recognition compatible implementation apparatus according to an exemplary embodiment, as shown in fig. 3, the apparatus including: a capacitive touch key sensor 31, a fingerprint sensor 32, a capacitive touch key circuit 33, and a fingerprint recognition circuit 34.
The fingerprint sensor 32 is used for collecting fingerprint information applied to the cover plate 30 of the terminal device, and the fingerprint sensor 32 is arranged below the cover plate 30. The capacitive touch key sensor 31 is used for collecting capacitance information applied to the cover plate 30, the capacitive touch key sensor 31 is arranged on the surface of the fingerprint sensor 32 opposite to the cover plate 30, and the capacitive touch key sensor 31 is connected with the lower surface of the cover plate 30. The capacitance touch key circuit 33 is connected to the capacitance touch key sensor 31, and is configured to analyze and process capacitance information acquired by the capacitance touch key sensor 31 to obtain a capacitance variation. The fingerprint identification circuit 32 is connected to the fingerprint sensor 32, and is configured to analyze and process the fingerprint information collected by the fingerprint sensor 32 to obtain a fingerprint analysis result.
The fingerprint acquisition process is essentially a fingerprint imaging process, and the principle is that different optical or current resistance feedback signals are obtained according to the difference of the geometrical characteristics, physical characteristics and biological characteristics of ridges (namely convex patterns) and valleys (namely concave patterns), and the fingerprint images are drawn by using image processing algorithms of different algorithms according to the magnitude of the feedback signals. It should be noted that, in the embodiment of the present disclosure, the fingerprint information analysis processing includes: and filtering the acquired fingerprint information, eliminating a part of interference information, and extracting data of fingerprint characteristics.
It is easy to know that the fingerprint sensors 32 each have an electrode layer for collecting fingerprint information, and in the present embodiment, the capacitive touch key sensor 31 is a conductive layer disposed on the electrode layer.
It should be noted that an insulating layer is inevitably disposed between the conductive layer and the electrode layer, and the fingerprint sensor 32 usually has an insulating layer (also called a protective layer or a passivation layer), so that when manufacturing the device of the present disclosure, a conductive layer can be directly added on the formed fingerprint sensor, which is very convenient to manufacture.
Preferably, the conductive layer covers the entire effective detection area of the fingerprint sensor 32, so that it is possible to avoid that the performance of the fingerprint sensor is affected by the presence of the pattern of the capacitive touch key sensor 31.
In the present embodiment, the fingerprint sensor 32 may be any fingerprint sensor currently available, including but not limited to a laser fingerprint sensor, an ultrasonic fingerprint sensor, a capacitive fingerprint sensor, and a radio frequency fingerprint sensor.
Alternatively, the conductive layer may be made of transparent conductive glass, silver paste, or copper foil.
In practical applications, when the fingerprint sensor 32 is a laser fingerprint sensor, the capacitive touch key sensor 31 is a conductive layer formed on the surface of the laser fingerprint sensor, the conductive layer is made of transparent conductive glass (such as indium tin oxide), and covers the entire effective detection area of the fingerprint sensor 32, so that the capacitive touch key sensor 31 above the fingerprint sensor 32 can transmit effective laser signals, thereby not only reducing interference to the laser signals collected by the laser sensor, but also preventing a part of the effective laser signals from deviating from other effective laser signals due to the fact that the effective laser signals do not pass through the capacitive touch key sensor 31.
When the fingerprint sensor 32 is of a type other than a laser fingerprint sensor, the capacitive touch key sensor 31 may be made of transparent conductive glass, silver paste, or copper foil.
As shown in fig. 3, in the embodiment of the present disclosure, the fingerprint identification circuit 34 and the capacitive touch key circuit 33 are respectively configured as separate chips, and in other embodiments, the fingerprint identification circuit 34 and the capacitive touch key circuit 33 may also be integrated on the same chip.
In the embodiment of the present disclosure, the capacitive touch key circuit 33 and the fingerprint identification circuit 34 are respectively turned on by receiving different signals (including a fingerprint detection signal and a key-on signal), so that the touch key and the fingerprint identification compatible implementation apparatus can independently implement a fingerprint identification function and a touch key function. In practical applications, the fingerprint detection signal and the key-on signal may be sent by a processor of the terminal device to control the operation states of the capacitive touch key circuit 33 and the fingerprint identification circuit 34. For example, the fingerprint identification circuit 34 operates when the processor sends a fingerprint detection signal, and the capacitive touch key circuit 33 operates when the processor sends a key on.
Optionally, the apparatus may further include: the processor(s) 35 are (are) provided with,
the processor 35 is connected with the capacitive touch key circuit 33 and used for judging whether touch key operation is applied to the cover plate according to the capacitance variation obtained by the capacitive touch key circuit 33;
connected with the fingerprint identification circuit 34, and is further configured to perform fingerprint identity authentication according to the processed fingerprint information obtained by the fingerprint identification circuit 34.
In the embodiment of the present disclosure, the processor 35 determines whether the capacitance variation obtained by the capacitance touch key circuit 33 exceeds a preset value, and determines that the touch key operation is applied to the cover plate when the capacitance variation exceeds the preset value; the fingerprint analysis result obtained by the fingerprint identification circuit 34 is compared with the pre-stored fingerprint data to determine the user identity corresponding to the fingerprint information collected by the fingerprint identification sensor 32.
This disclosed embodiment is through setting up fingerprint sensor in the apron below, locates fingerprint sensor's the surface relative with the apron and the lower surface of laminating at the apron with electric capacity touch key sensor, and electric capacity touch key sensor and fingerprint sensor can gather required information respectively, and cooperation fingerprint identification circuit and electric capacity touch key circuit realize fingerprint identification function and touch key function respectively independently, and then reach touch key function and fingerprint identification function compatible purpose. In addition, the touch key sensor collects capacitance information during touch, and the touch key sensor does not need to move for a certain stroke during information collection, so that the thickness of the terminal equipment can be reduced, through holes do not need to be correspondingly formed in the cover plate, the structural strength of the cover plate is enhanced, and meanwhile, the processing technology of the cover plate can be simplified.
FIG. 4 illustrates yet another touch key and fingerprint recognition compatible implementation in accordance with an exemplary embodiment. As shown in fig. 4, a capacitive touch key sensor 41, a fingerprint sensor 42, a capacitive touch key circuit 43, and a fingerprint recognition circuit 44. The fingerprint sensor 42 is used for collecting fingerprint information applied to the cover plate 40 of the terminal device, and the fingerprint sensor is arranged below the cover plate 40. The capacitive touch key sensor 41 is used for collecting capacitance information applied to the cover plate 40, the capacitive touch key sensor 41 is arranged on the surface of the fingerprint sensor 42 opposite to the cover plate 40, and the capacitive touch key sensor 41 is connected with the lower surface of the cover plate 40. The capacitive touch key circuit 43 is connected to the capacitive touch key sensor 41, and is configured to analyze and process capacitance information acquired by the capacitive touch key sensor 41 to obtain a capacitance variation. The fingerprint identification circuit 42 is connected to the fingerprint sensor 42, and is configured to analyze and process fingerprint information collected by the fingerprint sensor 42 to obtain a fingerprint analysis result.
In the present embodiment, the capacitive touch key sensor 41 is a part of the fingerprint sensor 42. The fingerprint sensors 42 each have an electrode layer for collecting fingerprint information, and in the present embodiment, the capacitive touch key sensor 41 is the electrode layer.
The structure of the fingerprint sensor 42 will be described in detail below with reference to fig. 5. Fig. 5 shows a specific structure of the fingerprint sensor 42, and in fig. 5, the fingerprint sensor 42 is taken as an ultrasonic sensor as an example to explain the embodiment of the present disclosure in detail. As shown in fig. 5, the fingerprint sensor 42 includes a substrate 421, a first signal transmitting electrode layer 422, a signal transmitting layer 423, a second signal transmitting electrode layer 424, a signal receiving layer 425, and a signal receiving electrode layer 41. The first signal transmitting electrode layer 422, the signal transmitting layer 423, and the second signal transmitting electrode layer 424 are provided on one side of the substrate 421 in this order, and the signal receiving layer 425 and the signal receiving electrode layer 41 are provided on the other side of the substrate 421 in this order.
The signal transmission layer 423 is a pressure-sensitive material layer, for example, a polyvinylidene fluoride layer. The signal receiving layer 425 is a layer of pressure sensitive material, for example, a layer of polyvinylidene fluoride. The signal receiving electrode layer 41 may be made of transparent conductive glass, silver paste, or copper foil. The first signal transmitting electrode layer 422 may be made of transparent conductive glass, silver paste, or copper foil. The second signal transmitting electrode layer 424 may also be made of transparent conductive glass, silver paste, or copper foil. A thin film transistor array may be disposed on the substrate 421.
The working principle of the ultrasonic fingerprint sensor is as follows: the first signal transmitting electrode layer 422 and the second signal transmitting electrode layer 424 are provided on both sides of the signal transmitting layer 423 to apply a voltage to the signal transmitting layer 423, and the signal transmitting layer 423 generates vibration when a voltage is simultaneously applied to the first signal transmitting electrode layer 422 and the second signal transmitting electrode layer 424, thereby generating ultrasonic waves. The signal receiving layer 425 is configured to receive the ultrasonic waves reflected by the finger and convert the ultrasonic waves into electrical signals, the signal receiving electrode layer 41 is configured to transmit the electrical signals to the thin film transistor array on the substrate 421, and the thin film transistor array is configured to receive the electrical signals sent by the signal receiving electrode layer 41 and convert the electrical signals into a grayscale image of the fingerprint.
Referring again to fig. 4, the apparatus of the embodiment of the present disclosure further includes a switch 45, where the switch 45 is connected between the capacitive touch key sensor 41 and the capacitive touch key circuit 43 and the fingerprint identification circuit 44, and the switch 45 is used to turn on the capacitive touch key circuit 43 and the capacitive touch key sensor 41 and turn off the fingerprint identification circuit 42 and the capacitive touch key sensor 41; alternatively, the fingerprint identification circuit 44 and the capacitive touch key sensor 41 are turned on and the capacitive touch key circuit 43 and the capacitive touch key sensor 41 are turned off, thereby realizing switching between the signal receiving electrode layer 41 as a signal receiving layer of the capacitive touch key sensor and the fingerprint sensor.
The switch 45 may be controlled by the processor of the terminal device. For example, when the processor transmits a fingerprint detection signal, the switch 45 turns on the capacitive touch key sensor 41 and the fingerprint recognition circuit 44 and turns off the capacitive touch key sensor 41 and the capacitive touch key circuit 43, so that the fingerprint recognition circuit 44 operates, and when the processor transmits a key on, the switch 45 turns off the capacitive touch key sensor 41 and the fingerprint recognition circuit 44 and turns on the capacitive touch key sensor 41 and the capacitive touch key circuit 43, so that the capacitive touch key circuit 43 operates.
The switch 45, the fingerprint identification circuit 44, and the capacitive touch key circuit 43 shown in fig. 4 may be separate devices, and in a specific implementation, the switch 45 may be integrated inside the fingerprint identification circuit 44 or the capacitive touch key circuit 43, or the switch 45, the fingerprint identification circuit 44, and the capacitive touch key circuit 43 may be integrated on the same chip.
In the embodiment shown in fig. 5, the fingerprint sensor is taken as an ultrasonic sensor for example, but the disclosure is not limited thereto, and other types of fingerprint sensors may be used as an electrode layer for collecting fingerprint information as a capacitive touch sensor. For example, for a capacitive fingerprint sensor, an electrode layer thereof may also be used as a capacitive touch sensor, but since the electrode layer of the capacitive fingerprint sensor is formed by a plurality of fine and small contacts, if the electrode layer of the capacitive fingerprint sensor is directly used as a capacitive touch key sensor, a capacitive touch key circuit and metal wiring need to be improved.
This disclosed embodiment is through setting up fingerprint sensor in the apron below, locates fingerprint sensor's the surface relative with the apron and the lower surface of laminating at the apron with electric capacity touch key sensor, and electric capacity touch key sensor and fingerprint sensor can gather required information respectively, and cooperation fingerprint identification circuit and electric capacity touch key circuit realize fingerprint identification function and touch key function respectively independently, and then reach touch key function and fingerprint identification function compatible purpose. In addition, the touch key sensor collects capacitance information during touch, and the touch key sensor does not need to move for a certain stroke during information collection, so that the thickness of the terminal equipment can be reduced, through holes do not need to be correspondingly formed in the cover plate, the structural strength of the cover plate is enhanced, and meanwhile, the processing technology of the cover plate can be simplified. In addition, the electrode layer of the fingerprint sensor is used as the capacitive touch sensor, so that the size of the device is further reduced.
Fig. 6a shows a terminal device 60 according to an exemplary embodiment, which includes a cover 61 and a touch key and fingerprint identification compatible implementation device 62 as described above, wherein the cover 61 is provided with a detection area 610 (see fig. 6b), and the touch key and fingerprint identification compatible implementation device 62 is located below the detection area 610 of the cover 61. The structure of the device for realizing the compatibility between the touch key and the fingerprint identification is introduced in the foregoing, and is not described herein.
Fig. 6b is a top view of the terminal device shown in fig. 6a, and as shown in fig. 6b, the terminal device 60 includes a display area 61a and a non-display area 61b, and the detection area 610 is disposed in the non-display area 61 b. In other implementations, the detection region 610 may also be provided in a non-display region. The cover plate 61 includes, but is not limited to, a glass cover plate.
It should be noted that fig. 6a and fig. 6b illustrate the embodiment of the present disclosure by taking a mobile phone as an example, but the terminal device of the embodiment of the present disclosure is not limited thereto, and may also be a fingerprint card reader, a notebook computer, a vehicle-mounted computer, a fingerprint door control device, a tablet computer, and the like.
FIG. 7 is a flow chart illustrating a touch key and fingerprint identification compatible implementation method according to an example embodiment. As shown in fig. 7, the method is applied to a terminal device, and is adapted to control the foregoing apparatus, and the method includes the following steps:
in step S701: receiving a touch operation on a detection area of a cover plate of a terminal device.
In step S702, controlling a fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment, and controlling a fingerprint collecting circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; or controlling the capacitive touch sensor to acquire capacitance information on the cover plate, and controlling the capacitive touch circuit to analyze and process the acquired capacitance information to obtain capacitance variation.
In this embodiment, the method may further include:
performing identity authentication according to the fingerprint analysis result; or, judging whether the capacitive touch sensor is triggered (namely whether touch key operation is applied) according to the capacitance variation.
Specifically, the above process may be implemented as follows:
comparing the obtained fingerprint analysis result with pre-stored fingerprint data to determine the user identity corresponding to the fingerprint information;
and determining that the touch key operation is applied to the cover plate when the capacitance variation exceeds the preset value.
FIG. 8 is a flow chart illustrating a touch key and fingerprint identification compatible implementation method according to an example embodiment. As shown in fig. 8, the method comprises the steps of:
in step S801: receiving a touch operation on a detection area of a cover plate of a terminal device.
In step S802: when a fingerprint identification instruction sent by an upper application is received, controlling a fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment, and controlling a fingerprint identification circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; when a key opening instruction sent by an upper application is received, the capacitive touch key sensor is controlled to collect capacitance information on the cover plate, and the capacitive touch key circuit is controlled to analyze and process the collected capacitance information to obtain capacitance variation.
In step S803: performing identity authentication according to the fingerprint analysis result; or judging whether the capacitive touch sensor is triggered according to the capacitance variation.
When receiving a fingerprint identification instruction sent by an upper application, controlling a fingerprint sensor to collect fingerprint information applied to a cover plate of a terminal device may include:
when a fingerprint identification instruction sent by a data access application or a payment application is received, controlling a fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment.
Specifically, the data access application includes, but is not limited to, a photo, an address book, a diary, and the like, which can be set with access rights by a user. When a user wants to access the application, if the access authority is set, the application can send a fingerprint identification instruction to control a fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment, the collected fingerprint information is analyzed and processed through a fingerprint identification circuit to obtain a fingerprint analysis result, identity authentication is carried out according to the obtained fingerprint analysis result, if the identity authentication passes, the user is allowed to access the application, and if the identity authentication does not pass, the user is forbidden to access the application.
Similarly, when the user needs to perform payment operation, if the operation authority is set, the payment application sends a fingerprint identification instruction to control the fingerprint sensor to collect fingerprint information applied to the cover plate of the terminal device, the collected fingerprint information is analyzed and processed through the fingerprint identification circuit to obtain a fingerprint analysis result, fingerprint identity authentication is performed according to the obtained fingerprint analysis result, if the identity authentication passes, the user is allowed to perform payment operation, and if the identity authentication fails, the user is prohibited from performing payment operation.
In a specific implementation of the embodiment of the present disclosure, the method may further include:
when the terminal equipment is in a locked state, judging whether touch key operation is received or not;
and if the touch key operation is received, acquiring fingerprint information applied to a cover plate of the terminal equipment.
In the implementation, whether the touch key operation is received or not is judged, and the following mode can be adopted:
the capacitive touch key sensor is used for collecting capacitive information applied to a cover plate of the terminal equipment, the capacitive touch key circuit is used for analyzing and processing the capacitive information collected by the capacitive touch key sensor to obtain capacitance variation, and whether touch key operation is received or not is judged according to the capacitance variation.
Accordingly, the method further comprises: and performing fingerprint identity authentication according to the acquired fingerprint information, unlocking the terminal equipment if the identity authentication is passed, and keeping the terminal equipment in a locked state if the identity authentication is not passed. Gather fingerprint information and can adopt aforementioned fingerprint sensor to realize, carry out analysis processes to the fingerprint information who gathers, obtain the fingerprint analysis result and can adopt aforementioned fingerprint identification circuit to realize, carry out authentication according to the fingerprint analysis result and can adopt terminal equipment's treater to realize.
Fig. 9 is a block diagram illustrating a touch key and fingerprint recognition compatible implementing apparatus according to an example embodiment. As shown in fig. 9, includes:
a receiving module 901, configured to receive a touch operation on a detection area of a cover plate of a terminal device;
the control module 902 is used for controlling the fingerprint sensor to collect fingerprint information applied to the cover plate of the terminal device and controlling the fingerprint collecting circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; or controlling the capacitive touch sensor to collect capacitance information on the cover plate, and controlling the capacitive touch circuit to analyze and process the collected capacitance information to obtain capacitance variation.
The control module 902 is configured to, when receiving a fingerprint identification instruction sent by an upper application, control the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal device; and when a key opening instruction sent by the upper application is received, controlling the capacitive touch sensor to acquire the capacitive information on the cover plate.
The control module 902 is configured to control the fingerprint sensor to collect fingerprint information applied to the cover plate of the terminal device when receiving a fingerprint identification instruction sent by the data access application or the payment application.
When implemented, the control module 902 may include:
the judging submodule is used for judging whether the capacitive touch key sensor is triggered or not when the terminal equipment is in a locked state;
and the control submodule is used for acquiring fingerprint information applied to a cover plate of the terminal equipment when the capacitive touch key sensor is triggered.
The apparatus of the disclosed embodiment may further include:
the processing module is used for performing identity authentication according to the fingerprint analysis result; or judging whether the capacitive touch sensor is triggered or not according to the capacitance variation.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Fig. 10 is a block diagram illustrating a touch key and fingerprint identification compatible implementation apparatus 1000 according to an example embodiment. For example, the apparatus 1000 may be a mobile terminal.
Referring to fig. 5, the apparatus 1000 may include one or more of the following components: processing component 1002, memory 1004, power component 1006, multimedia component 1008, audio component 1010, input/output (I/O) interface 1012, sensor component 1014, and communications component 1016.
The processing component 1002 generally controls the overall operation of the device 1000, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing elements 1002 may include one or more processors 1020 to execute instructions to perform all or a portion of the steps of the methods described above. Further, processing component 1002 may include one or more modules that facilitate interaction between processing component 1002 and other components. For example, the processing component 1002 can include a multimedia module to facilitate interaction between the multimedia component 1008 and the processing component 1002.
The memory 1004 is configured to store various types of data to support operation at the device 800. Examples of such data include instructions for any application or method operating on device 1000, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 1004 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power supply component 1006 provides power to the various components of the device 1000. The power components 1006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 1000.
The multimedia component 1008 includes a screen that provides an output interface between the device 1000 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 1008 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the device 1000 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 1010 is configured to output and/or input audio signals. For example, audio component 1010 includes a Microphone (MIC) configured to receive external audio signals when apparatus 1000 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 1004 or transmitted via the communication component 1016. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.
I/O interface 1012 provides an interface between processing component 1002 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 1014 includes one or more sensors for providing various aspects of status assessment for the device 1000. For example, sensor assembly 1014 may detect an open/closed state of device 1000, the relative positioning of components, such as a display and keypad of apparatus 1000, sensor assembly 1014 may also detect a change in position of apparatus 1000 or a component of apparatus 1000, the presence or absence of user contact with apparatus 1000, orientation or acceleration/deceleration of apparatus 1000, and a change in temperature of apparatus 1000. The sensor assembly 1014 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 1014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor. In the disclosed embodiment, the sensor assembly 1014 may also include the aforementioned fingerprint sensor, capacitive touch key sensor.
The communication component 1016 is configured to facilitate communications between the apparatus 1000 and other devices in a wired or wireless manner. The device 1000 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 1016 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communications component 1016 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 1000 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 1004 comprising instructions, executable by the processor 1020 of the device 1000 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
A non-transitory computer readable storage medium having instructions therein, which when executed by a processor of a mobile terminal, enable the mobile terminal to perform a touch key and fingerprint recognition compatible implementation method, the method comprising:
receiving a touch operation on a detection area of a cover plate of the terminal equipment;
controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment, and controlling the capacitive touch key circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; alternatively, the first and second electrodes may be,
and controlling the capacitance touch key to acquire capacitance information on the cover plate in a sensing manner, and controlling the capacitance touch key circuit to analyze and process the acquired capacitance information to obtain capacitance variation.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (17)
1. A device for realizing compatibility of touch keys and fingerprint identification is characterized by comprising:
the fingerprint sensor is used for collecting fingerprint information applied to a cover plate of the terminal equipment and is arranged below the cover plate;
the capacitive touch key sensor is used for collecting capacitive information applied to the cover plate, the capacitive touch key sensor is arranged on the surface, opposite to the cover plate, of the fingerprint sensor, and the capacitive touch key sensor is attached to the lower surface of the cover plate;
the capacitance touch key circuit is used for analyzing and processing capacitance information acquired by the capacitance touch key sensor to obtain capacitance variation;
the fingerprint identification circuit is used for analyzing and processing the fingerprint information acquired by the fingerprint sensor to obtain a fingerprint analysis result;
the fingerprint sensor is an ultrasonic sensor and comprises a substrate, a first signal transmitting electrode layer, a signal transmitting layer, a second signal transmitting electrode layer, a signal receiving layer and a signal receiving electrode layer, wherein the first signal transmitting electrode layer and the second signal transmitting electrode layer are sequentially arranged on one side of the substrate, the signal receiving layer and the signal receiving electrode layer are sequentially arranged on the other side of the substrate, and the signal receiving electrode layer is used as an electrode layer for collecting fingerprint information in the fingerprint sensor and an electrode layer for collecting capacitance information in the capacitance touch key sensor.
2. The apparatus of claim 1, further comprising:
the switch is used for conducting the capacitive touch key circuit and the capacitive touch key sensor and disconnecting the fingerprint identification circuit and the capacitive touch key sensor; or the fingerprint identification circuit and the capacitance touch key sensor are connected and the capacitance touch key circuit and the capacitance touch key sensor are disconnected.
3. The apparatus of claim 1, further comprising:
the processor is used for judging whether touch key operation is applied to the cover plate according to the capacitance variation obtained by the capacitance touch key circuit; and performing fingerprint identity authentication according to the fingerprint analysis result obtained by the fingerprint identification circuit.
4. The device of claim 1, wherein the capacitive touch key sensor is made of a transparent conductive material, silver paste, or copper foil.
5. A terminal device, characterized in that the terminal device comprises: a cover plate and a device according to any of claims 1 to 4, wherein the cover plate is provided with a detection area and the device is located below the detection area of the cover plate.
6. A compatible implementation method of touch key and fingerprint identification, which is applied to the compatible implementation device of touch key and fingerprint identification according to any one of claims 1-4, and is characterized in that the method comprises the following steps:
receiving a touch operation on a detection area of a cover plate of the terminal equipment;
controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment, and controlling the fingerprint collecting circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; alternatively, the first and second electrodes may be,
and controlling the capacitive touch key sensor to collect the capacitance information on the cover plate, and controlling the capacitive touch circuit to analyze and process the collected capacitance information to obtain the capacitance variation.
7. The method of claim 6, wherein controlling the fingerprint sensor to collect fingerprint information applied to a cover of the terminal device comprises:
when a fingerprint identification instruction sent by an upper application is received, controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment;
control the electric capacity touch button sensor gathers electric capacity information on the apron includes:
and when a key opening instruction sent by an upper application is received, controlling the capacitive touch key sensor to acquire the capacitive information on the cover plate.
8. The method according to claim 7, wherein the controlling the fingerprint sensor to collect fingerprint information applied to the cover plate of the terminal device when receiving a fingerprint identification command issued by an upper application comprises:
and when a fingerprint identification instruction sent by a data access application or a payment application is received, controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment.
9. The method of claim 6, wherein controlling the fingerprint sensor to collect fingerprint information applied to a cover of the terminal device comprises:
when the terminal equipment is in a locked state, judging whether the capacitive touch key sensor is triggered or not;
and if the capacitive touch key sensor is triggered, controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment.
10. The method of claim 6, further comprising:
performing identity authentication according to the fingerprint analysis result; or judging whether the capacitive touch key sensor is triggered or not according to the capacitance variation.
11. A touch key and fingerprint identification compatible implementation device, which is applied to the touch key and fingerprint identification compatible implementation device as claimed in any one of claims 1-4, the device comprises:
the terminal device comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving touch operation on a detection area of a cover plate of the terminal device;
the control module is used for controlling the fingerprint sensor to collect fingerprint information applied to the cover plate of the terminal equipment and controlling the fingerprint collecting circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; or controlling the capacitive touch key sensor to collect capacitance information on the cover plate, and controlling the capacitive touch circuit to analyze and process the collected capacitance information to obtain capacitance variation.
12. The apparatus according to claim 11, wherein the control module is configured to, when receiving a fingerprint identification command from an upper application, control the fingerprint sensor to collect fingerprint information applied to a cover of the terminal device; and when a key opening instruction sent by an upper application is received, controlling the capacitive touch key sensor to acquire the capacitive information on the cover plate.
13. The apparatus according to claim 12, wherein the control module is configured to control the fingerprint sensor to collect fingerprint information applied to the cover of the terminal device when receiving a fingerprint identification command issued by a data access application or a payment application.
14. The apparatus of claim 11, wherein the control module comprises:
the judging submodule is used for judging whether the capacitive touch key sensor is triggered or not when the terminal equipment is in a locked state;
and the control submodule is used for controlling the fingerprint sensor to collect fingerprint information applied to the cover plate of the terminal equipment when the capacitive touch key sensor is triggered.
15. The apparatus of claim 11, further comprising:
the processing module is used for carrying out identity authentication according to the fingerprint analysis result; or judging whether the capacitive touch key sensor is triggered or not according to the capacitance variation.
16. A terminal device, characterized in that the terminal device comprises:
a processor;
a memory for storing processor-executable instructions;
the fingerprint sensor is used for collecting fingerprint information applied to a cover plate of the terminal equipment;
the capacitive touch key sensor is used for acquiring capacitive information applied to the cover plate;
the capacitance touch key circuit is used for analyzing and processing capacitance information acquired by the capacitance touch key sensor to obtain capacitance variation;
the fingerprint identification circuit is used for analyzing and processing the fingerprint information acquired by the fingerprint sensor to obtain a fingerprint analysis result;
the fingerprint sensor is an ultrasonic sensor and comprises a substrate, a first signal sending electrode layer, a signal sending layer, a second signal sending electrode layer, a signal receiving layer and a signal receiving electrode layer, wherein the first signal sending electrode layer, the signal sending layer and the second signal sending electrode layer are sequentially arranged on one side of the substrate, the signal receiving layer and the signal receiving electrode layer are sequentially arranged on the other side of the substrate, and the signal receiving electrode layer is used as an electrode layer for collecting fingerprint information in the fingerprint sensor and an electrode layer for collecting capacitance information in the capacitance touch key sensor;
wherein the processor is configured to:
receiving a touch operation on a detection area of a cover plate of the terminal equipment;
controlling the fingerprint sensor to collect fingerprint information applied to a cover plate of the terminal equipment, and controlling the fingerprint collecting circuit to analyze and process the collected fingerprint information to obtain a fingerprint analysis result; alternatively, the first and second electrodes may be,
and controlling the capacitive touch key sensor to collect the capacitance information on the cover plate, and controlling the capacitive touch circuit to analyze and process the collected capacitance information to obtain the capacitance variation.
17. A computer-readable storage medium comprising at least one instruction which, when executed by a processor, performs a touch key and fingerprint recognition compatible implementation of any of claims 6-10.
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| CN109299629B (en) * | 2017-07-24 | 2022-03-25 | 中芯国际集成电路制造（天津）有限公司 | Semiconductor fingerprint sensor and manufacturing method thereof |
| CN109923551A (en) * | 2017-08-14 | 2019-06-21 | 深圳市汇顶科技股份有限公司 | The method of terminal device, optical finger print identification mould group and operating terminal equipment |
| WO2020051840A1 (en) * | 2018-09-13 | 2020-03-19 | Boe Technology Group Co., Ltd. | Integrated fingerprint detection touch control display apparatus and integrated method of fingerprint detection, touch control, and image display |
| CN110363898B (en) * | 2019-07-28 | 2021-08-27 | 赣州深奥科技有限公司 | Fingerprint key identification device and method |
| CN112445270B (en) * | 2019-08-16 | 2023-03-31 | 华为技术有限公司 | Key structure of terminal and terminal |
| CN111046851B (en) * | 2019-12-31 | 2023-05-30 | 宁波星宏智能技术有限公司 | Fingerprint touch intelligent switch goes out antenatal fingerprint identification detection device |
| TWI764649B (en) | 2021-03-26 | 2022-05-11 | 義隆電子股份有限公司 | Button module with vibration feedback and fingerprint sensing, fingerprint sensing module for the same, and control method for the same |
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