CN114926867A

CN114926867A - Detection method and electronic equipment

Info

Publication number: CN114926867A
Application number: CN202210509290.7A
Authority: CN
Inventors: 郑梓煜
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-19

Abstract

The application discloses a detection method and electronic equipment, and belongs to the technical field of touch control. Electronic equipment includes display module assembly, supersound fingerprint sensor and pressure sensor, supersound fingerprint sensor includes the piezoelectric layer, the piezoelectric layer laminate in the display module assembly below, pressure sensor includes the receiving element, the receiving element with the piezoelectric layer electricity is connected, the piezoelectric layer is in transmit ultrasonic wave when electronic equipment is in the fingerprint identification mode, and is in electronic equipment produces pressure signal when being in the pressure detection mode.

Description

Detection method and electronic equipment

Technical Field

The application belongs to the technical field of touch control, and particularly relates to a detection method and electronic equipment.

Background

With the rapid development of the mobile terminal technology, the identification of the fingerprint under the screen becomes an important development direction of the fingerprint identification technology, the optical fingerprint technology under the screen is mature day by day, the ultrasonic fingerprint technology is gradually applied, and the ultrasonic fingerprint technology has the advantages of being fast in recording, fast in unlocking, safe and accurate. Meanwhile, the technology of the pressure keys under the screen of the terminal is widely applied, and the use experience in game scenes is improved.

However, since the identification position of the ultrasonic fingerprint and the arrangement position of the under-screen pressure key are overlapped, the two have conflict in structure and function.

Disclosure of Invention

The embodiment of the application aims to provide a detection method and electronic equipment, and the problems that in the related art, the identification position of an ultrasonic fingerprint and the setting position of a pressure key under a screen are overlapped, and the ultrasonic fingerprint and the pressure key under the screen conflict in structure and function are solved.

In a first aspect, an embodiment of the present application provides an electronic device, including:

display module assembly, supersound fingerprint sensor and pressure sensor, supersound fingerprint sensor includes the piezoelectric layer, the piezoelectric layer laminate in the display module assembly below, pressure sensor includes the receiving element, the receiving element with the piezoelectric layer electricity is connected, the piezoelectric layer is in the ultrasonic wave is launched when electronic equipment is in the fingerprint identification mode, and is in electronic equipment produces pressure signal when being in the pressure detection mode.

In a second aspect, an embodiment of the present application provides a detection method, which is applied to an electronic device as described in the first aspect, and the method includes:

under the condition that the electronic equipment is detected to be in a fingerprint identification mode, controlling the piezoelectric layer to emit ultrasonic waves, and acquiring a fingerprint pressed on the display module by using the ultrasonic fingerprint sensor;

and under the condition that the electronic equipment is detected to be in a pressure detection mode, generating a pressure signal according to the deformation of the piezoelectric layer, and acquiring the pressure pressed on the display module by using the pressure sensor.

In a third aspect, embodiments of the present application provide an electronic device, which includes a processor and a memory, where the memory stores a program or instructions executable on the processor, and the program or instructions, when executed by the processor, implement the steps of the method according to the second aspect.

In a fourth aspect, the present application provides a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the second aspect.

In a fifth aspect, the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the second aspect.

In a sixth aspect, the present application provides a computer program product, which is stored in a storage medium and executed by at least one processor to implement the method according to the second aspect.

In this application embodiment, piezoelectric layer through with supersound fingerprint sensor is connected with pressure sensor's receiving element, the piezoelectric layer multiplexing that will be used for transmitting ultrasonic wave originally is for can pressure detection's equivalent capacitance, make the piezoelectric layer both can transmit the ultrasonic wave in order to realize ultrasonic wave fingerprint identification when electronic equipment is in the fingerprint identification mode, can produce pressure signal in order to realize under-screen pressure detection when electronic equipment is in the pressure detection mode again, thereby realize two kinds of functions of ultrasonic wave fingerprint identification and under-screen pressure detection and correspond the compatibility of structure, the structural design has been optimized, electronic equipment structure thickness has been reduced.

Drawings

Fig. 1 is a schematic top view of an electronic device provided in an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of an electronic device provided in an embodiment of the present application;

FIG. 3 is a schematic diagram of pressure conduction provided by an embodiment of the present application;

FIG. 4 is a schematic diagram of a pressure detection provided in an embodiment of the present application;

fig. 5 is a schematic flow chart of a detection method according to an embodiment of the present application;

fig. 6 is a second schematic flowchart of a detection method according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a detection apparatus according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application;

fig. 9 is a schematic diagram of a hardware structure of an electronic device implementing the embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The following describes in detail a detection method and an electronic device provided in the embodiments of the present application with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

The embodiment of an aspect of the application provides an electronic equipment, this electronic equipment includes display module assembly, supersound fingerprint sensor and pressure sensor, wherein, supersound fingerprint sensor includes the piezoelectric layer, this piezoelectric layer laminating is in the display module assembly below, and pressure sensor includes the receiving element, this receiving element is connected with the piezoelectric layer electricity, the piezoelectric layer can be at the electronic equipment transmission ultrasonic wave when fingerprint identification mode, at this moment, supersound fingerprint sensor's fingerprint identification function can normally realize, and the piezoelectric layer can be according to the pressure production pressure signal that receives when electronic equipment is in the pressure detection mode, pressure sensor's pressure detection function can normally realize this moment. That is to say, in this application embodiment, multiplex as pressure sensor's detection part with ultrasonic fingerprint sensor's piezoelectric layer, be equivalent to electric capacity promptly, when electronic equipment was in the pressure detection mode, if the piezoelectric layer received the external pressure effect then will produce deformation to lead to its capacitance value to change, then realize the detection of pressure according to the change of capacitance value. Wherein, under the fingerprint identification mode, electronic equipment need acquire the fingerprint information of pressing on display module assembly, and under the pressure detection mode, electronic equipment need acquire the pressure information of pressing on display module assembly. The piezoelectric layer is used as a partial structure of the ultrasonic fingerprint sensor, namely a structure for transmitting ultrasonic waves, and is also used as a partial structure of the pressure sensor, namely a structure for detecting pressure, so that multiplexing is realized.

From this, in this application embodiment, piezoelectric layer through with supersound fingerprint sensor is connected with pressure sensor's receiving element, the piezoelectric layer multiplexing that will be used for transmitting ultrasonic wave originally is for can pressure detection's equivalent capacitance, make the piezoelectric layer both can transmit the ultrasonic wave in order to realize ultrasonic wave fingerprint identification when electronic equipment is in the fingerprint identification mode, can produce pressure signal in order to realize under the screen pressure detection when electronic equipment is in the pressure detection mode again, thereby realize two kinds of functions of ultrasonic wave fingerprint identification and under the screen pressure detection and correspond the compatibility of structure, structural design has been optimized, electronic equipment structure thickness has been reduced.

In some embodiments of the present disclosure, the display module may be an OLED display module, i.e., an Organic Light-Emitting Diode, also called an Organic electroluminescent display, an Organic Light-Emitting semiconductor. The OLED display module has the advantages of low power consumption, high response speed, wide viewing angle, high-resolution display, soft screen and the like.

In some embodiments of the present application, an ultrasonic fingerprint sensor may ultrasonically scan and image an object signature such as a fingerprint, palm print, or hand print. Supersound fingerprint sensor passes through the piezoelectric layer and produces the ultrasonic wave, and the ultrasonic wave can be to display module assembly one side transmission, reflects back after running into the finger of pressing on display module assembly, then produces corresponding signal of telecommunication according to the ultrasonic wave that reflects back, finally generates the fingerprint image according to the signal of telecommunication that produces to realize the fingerprint identification function.

In some embodiments of the present application, the pressure sensor may detect the pressure applied by an object pressing on the target area on the display module. Wherein, the piezoelectric layer is as pressure sensor's detection part, and it is equivalent to electric capacity, and when target area on the display module assembly received pressure, the piezoelectric layer atress and take place deformation, lead to equivalent capacitance's capacitance value to change then, from this, worth changing according to electric capacity and can confirm the size of pressure to realize the pressure detection function.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic top view of an electronic device according to an embodiment of the present disclosure, and fig. 2 is a schematic cross-sectional view of the electronic device according to the embodiment of the present disclosure. As shown in fig. 1 and fig. 2, in some embodiments of this application, supersound fingerprint sensor sets up in the below of display module assembly (promptly with the opposite side of display surface in the display module assembly), and supersound fingerprint sensor can adopt modes such as laminating and display module assembly fixed connection. Optionally, the display module includes a screen 111, a first flexible circuit board 112, and a cover plate 113, the cover plate 113 covers a display surface of the screen 111 to protect the screen 111, and the screen 111 is electrically connected to a main board of the electronic device through the first flexible circuit board 112, that is, electrically connected to a display signal source. Supersound fingerprint sensor includes piezoelectric layer 121, and piezoelectric layer 121 sets up in display module's below, and piezoelectric layer 121 laminates in screen 111 one side that deviates from with the display surface promptly, and piezoelectric layer 121 is based on piezoelectric effect in order to produce the ultrasonic wave, and the ultrasonic wave of production propagates to display module place one side, runs into the finger of pressing on display module and rebounds back to piezoelectric layer 121 one side. In some embodiments, the ultrasonic fingerprint sensor further comprises an ultrasonic receiver that can convert the received ultrasonic waves into electrical signals based on the inverse piezoelectric effect.

Referring to fig. 3, fig. 3 is a schematic diagram of pressure conduction according to an embodiment of the present disclosure. As shown in fig. 2 and 3, in some embodiments of the present application, the electronic device further includes a structural member and a supporting member, wherein the structural member is located below the display module and is used for fixing the display module, and optionally, the structural member may be a motherboard cover. And support piece then sets up between structure and piezoelectric layer, and, support piece offsets with structure and piezoelectric layer respectively, therefore, support piece can be used for pressure conduction, for example, when contactless between piezoelectric layer and structure, through set up support piece between the two, make the display module assembly when being pressed by external force, the piezoelectric layer is because the laminating is in the display module assembly below, consequently, can be through support piece with pressure conduction to structure, because structure structural strength is big, be difficult to take place the deformation, consequently, can provide holding power for the piezoelectric layer, therefore, external force will make piezoelectric layer department take place the deformation, thereby the capacitance value of the equivalent capacitance of piezoelectric layer changes, can learn the size of pressing the pressure on the display module assembly through the change of capacitance value, realize pressure detection.

In the embodiment of the application, optionally, the supporting part is made of a hard material so as to realize good pressure conduction and ensure the accuracy of pressure detection. Optionally, the supporting member is made of a conductive material, and the supporting member made of the conductive material can conduct pressure and can also be used for absorbing ultrasonic waves. In some embodiments, the support member is an electrically conductive foam that both conducts pressure and absorbs ultrasound.

In some embodiments of the present application, optionally, the ultrasonic fingerprint sensor further includes a driving chip, the driving chip is electrically connected to the piezoelectric layer, and the driving chip is configured to drive the piezoelectric layer to emit an ultrasonic wave when the electronic device is in a fingerprint identification mode, so as to implement a fingerprint identification function.

In other embodiments of the present application, the electronic device further includes a controller and a flexible circuit board, the driving chip is connected to the controller through the second flexible circuit board, and the controller is configured to control the driving chip to drive the piezoelectric layer to emit the ultrasonic wave when the electronic device is in the fingerprint identification mode. Optionally, the second flexible circuit board may further implement electrical connection between the driving chip and the piezoelectric layer.

In some embodiments of the present application, the piezoelectric layer includes a first electrode layer, a second electrode layer, and a piezoelectric material layer located between the first electrode layer and the second electrode layer, wherein the first electrode layer and the second electrode layer are made of a metal material, and optionally, the piezoelectric material layer may be a copolymer. That is, when the piezoelectric layer is operated as a part of the ultrasonic fingerprint sensor, a voltage is applied to the first electrode layer and the second electrode layer of the piezoelectric layer, so that the piezoelectric material layer between the first electrode layer and the second electrode layer generates a piezoelectric effect, and then generates an ultrasonic wave, that is, the transmission of the ultrasonic wave is realized. When the piezoelectric layer works as a part of the piezoelectric sensor, the first electrode layer, the second electrode layer and the piezoelectric material layer form an equivalent capacitance, that is, the first electrode layer and the second electrode layer serve as two polar plates of the equivalent capacitance, and the piezoelectric material layer serves as a medium of the equivalent capacitance.

Referring to fig. 4, fig. 4 is a schematic diagram of a pressure detection method according to an embodiment of the present disclosure. As shown in fig. 4, for example, when a display module is pressed by a finger, according to a difference between a distance d between two electrode plates of a piezoelectric layer at a pressed position and a distance d between two electrode plates of a piezoelectric layer at an unpressed position, the pressed position and the unpressed position can be determined, and at this time, information of the pressed position can be reported to a processor of an electronic device for processing. Further, receiving the finger and pressing the back, the display module assembly produces deformation, the piezoelectric layer of laminating on the display module assembly also produces deformation, also change the distance d of two polar plates of the equivalent capacitance of piezoelectric layer, according to the capacitance formula, can obtain the capacitance value around the deformation, then obtain the capacitance variation volume, thereby the size of quantization deformation, pressure sensor can export pressure (forced induction) signal and give the treater, the treater can carry out corresponding processing of pressing according to the pressure size.

In some embodiments of the present application, the first electrode layer comprises a thin film transistor layer comprising a thin film transistor TFT array through which a voltage can be applied to cause the piezoelectric layer to emit ultrasonic waves.

In some embodiments of the present application, the pressure sensor further includes a pressure sensing unit, the pressure sensing unit is connected to the receiving unit of the pressure sensor, and the pressure sensing unit may employ a piezoresistive structure to detect the pressure through a wheatstone bridge. Optionally, the display module includes a touch module and a display module, the touch module is used for implementing a touch function, the display module is used for implementing a display function, and the pressure sensing unit is disposed between the touch module and the display module. Optionally, the pressure sensing unit may also be disposed below the display module, for example, connected in a fitting manner. Optionally, the position of the pressure sensing unit and the position of the piezoelectric layer below the display module are different. Therefore, the pressure detection is carried out by the pressure sensing unit and the multiplexed piezoelectric layer, so that the pressure detection accuracy can be improved, and the double-pressure-sensing detection is realized.

In a word, in this application embodiment, piezoelectric layer through with supersound fingerprint sensor is connected with pressure sensor's receiving element, the piezoelectric layer multiplexing that will be used for transmitting ultrasonic wave originally is for the equivalent capacitance that can detect pressure, make the piezoelectric layer both can transmit the ultrasonic wave in order to realize ultrasonic fingerprint identification when electronic equipment is in the fingerprint identification mode, can produce pressure signal in order to realize under-screen pressure detection when electronic equipment is in the pressure detection mode again, thereby realize that ultrasonic fingerprint identification and under-screen pressure detect two kinds of functions and correspond the compatibility of structure, structural design has been optimized, electronic equipment structural thickness has been reduced.

Referring to fig. 5, fig. 5 is a schematic flow chart of a detection method according to an embodiment of the present disclosure. As shown in fig. 5, another embodiment of the present application further provides a detection method, where the detection method is applied to the electronic device described in the above embodiment, and the detection method includes the following steps:

step 501: under the condition that the electronic equipment is detected to be in a fingerprint identification mode, the piezoelectric layer is controlled to emit ultrasonic waves, and a fingerprint pressed on the display module is obtained by utilizing the ultrasonic fingerprint sensor;

In the embodiment of the application, through multiplexing the piezoelectric layer that will be used for transmitting ultrasonic wave originally for the equivalent capacitance that can pressure detection, make the piezoelectric layer both can be in order to realize ultrasonic fingerprint identification when electronic equipment is in the fingerprint identification mode transmitting ultrasonic wave, can produce pressure signal again when electronic equipment is in the pressure detection mode and detect in order to realize the pressure detection under the screen, thereby realize two kinds of functions of ultrasonic fingerprint identification and pressure detection under the screen and correspond the compatibility of structure, structural design has been optimized, electronic equipment structural thickness has been reduced.

In some embodiments of the application, optionally, the electronic device may be in the fingerprint identification mode or the pressure detection mode may be determined according to the state of the electronic device and the type of the application program currently running on the electronic device, for example, when the electronic device is in the power-on unlocking state, if fingerprint identification is required, the electronic device is in the fingerprint identification mode, or when the electronic device is in the status of identity verification, payment verification, and the like, if fingerprint identification is required, the electronic device is in the fingerprint identification mode; for another example, when the electronic device is currently running a game application, in order to enhance the game experience, pressure detection needs to be performed, so that the electronic device is in a pressure detection mode at this time. In some embodiments, the fingerprint recognition mode or the pressure detection mode may also be set by a setting item, that is, set autonomously by a user.

Referring to fig. 6, fig. 6 is a second schematic flowchart of a detection method according to an embodiment of the present application. As shown in fig. 6, in some embodiments of the present application, an electronic device is taken as an example to specifically describe the detection method. The detection method comprises the following steps: when the mobile phone is normally started and enters a starting and unlocking interface, the mobile phone can be defined to be in a fingerprint mode (namely the fingerprint identification mode in the embodiment), the piezoelectric layer emits ultrasonic waves to carry out fingerprint identification, and the mobile phone is used after being unlocked; then, whether the mobile phone opens the game is judged, if yes, the mobile phone enters a pressure sensing mode (namely the pressure detection mode in the embodiment) at the moment, pressure sensing (pressure sensing) operation is carried out in the game running process, after the game is finished, the mobile phone exits from the pressure sensing mode, and the mobile phone is normally used; and if the game is not opened, further judging whether unlocking and payment are carried out, if so, entering a fingerprint mode by the mobile phone, transmitting ultrasonic waves through the piezoelectric layer to carry out fingerprint identification, then carrying out unlocking fingerprint operation, and exiting the fingerprint mode after unlocking is finished, so that the mobile phone is normally used.

In a word, in this application embodiment, multiplex as can pressure detection's equivalent capacitance through the piezoelectric layer that will be used for transmitting ultrasonic wave originally for the piezoelectric layer both can be in order to realize ultrasonic wave fingerprint identification when electronic equipment is in the fingerprint identification mode, can produce pressure signal again when electronic equipment is in the pressure detection mode and detect in order to realize the pressure detection under the screen, thereby realize two kinds of functions of ultrasonic wave fingerprint identification and pressure detection under the screen and correspond the compatibility of structure, structural design has been optimized, electronic equipment structure thickness has been reduced.

According to the detection method provided by the embodiment of the application, the execution main body can be a detection device. In the embodiment of the present application, a detection device executing a detection method is taken as an example, and the detection device provided in the embodiment of the present application is described.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a detection apparatus according to an embodiment of the present disclosure. As shown in fig. 7, in another aspect, the present application provides a detection apparatus 700, including:

the detection module 701 is used for controlling the piezoelectric layer to emit ultrasonic waves under the condition that the electronic equipment is detected to be in a fingerprint identification mode, and acquiring a fingerprint pressed on the display module by using the ultrasonic fingerprint sensor;

In the embodiment of the application, through multiplexing the piezoelectric layer that will be used for transmitting ultrasonic wave originally for the equivalent capacitance that can detect pressure for the piezoelectric layer both can be in order to realize ultrasonic fingerprint identification when electronic equipment is in the fingerprint identification mode, can produce pressure signal again and detect in order to realize the pressure detection under the screen when electronic equipment is in the pressure detection mode, thereby realize that ultrasonic fingerprint identification and two kinds of functions of pressure detection under the screen and the compatibility of corresponding structure, structural design has been optimized, electronic equipment structural thickness has been reduced.

The detection device in the embodiment of the present application may be an electronic device, or may be a component in an electronic device, such as an integrated circuit or a chip. The electronic device may be a terminal, or may be a device other than a terminal. The electronic Device may be, for example, a Mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic Device, a Mobile Internet Device (MID), an Augmented Reality (AR)/Virtual Reality (VR) Device, a robot, a wearable Device, an ultra-Mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and may also be a personal computer (personal computer, PC), a Television (TV), a teller machine, a self-service machine, and the like, and the embodiments of the present application are not particularly limited.

The detection device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system, an iOS operating system, or other possible operating systems, which is not specifically limited in the embodiment of the present application.

The detection device provided in the embodiment of the present application can implement each process implemented by the method embodiments of fig. 5 to 6, and is not described here again to avoid repetition.

Optionally, as shown in fig. 8, an electronic device 800 is further provided in an embodiment of the present application, and includes a processor 801 and a memory 802, where the memory 802 stores a program or an instruction that can be executed on the processor 801, and when the program or the instruction is executed by the processor 801, the steps of the foregoing detection method embodiment are implemented, and the same technical effect can be achieved, and in order to avoid repetition, details are not repeated here.

Fig. 9 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.

The electronic device 1000 includes, but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010.

Those skilled in the art will appreciate that the electronic device 1000 may further comprise a power supply (e.g., a battery) for supplying power to the various components, and the power supply may be logically connected to the processor 1010 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system. The electronic device structure shown in fig. 9 does not constitute a limitation to the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is omitted here.

The processor 1010 is configured to control the piezoelectric layer to emit an ultrasonic wave when it is detected that the electronic device is in a fingerprint identification mode, and acquire a fingerprint pressed on the display module by using the ultrasonic fingerprint sensor;

under the condition that the electronic equipment is detected to be in a pressure detection mode, a pressure signal is generated according to the deformation of the piezoelectric layer, and the pressure sensor is used for acquiring the pressure pressed on the display module

It should be understood that in the embodiment of the present application, the input Unit 1004 may include a Graphics Processing Unit (GPU) 10041 and a microphone 10042, and the Graphics Processing Unit 10041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes at least one of a touch panel 10071 and other input devices 10072. The touch panel 10071 is also referred to as a touch screen. The touch panel 10071 may include two parts, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

The memory 1009 can be used for storing software programs and various data, and the memory 1009 can mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area can store an operating system, application programs or instructions (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like. Further, the memory 1009 may include volatile memory or nonvolatile memory, or the memory 1009 may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. The volatile Memory may be a Random Access Memory (RAM), a Static Random Access Memory (Static RAM, SRAM), a Dynamic Random Access Memory (Dynamic RAM, DRAM), a Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), a Double Data Rate Synchronous Dynamic Random Access Memory (Double Data Rate SDRAM, ddr SDRAM), an Enhanced Synchronous SDRAM (ESDRAM), a Synchronous Link DRAM (SLDRAM), and a Direct Memory bus RAM (DRRAM). The memory 1009 in the embodiments of the present application includes, but is not limited to, these and any other suitable types of memory.

Processor 1010 may include one or more processing units; optionally, the processor 1010 integrates an application processor, which primarily handles operations related to the operating system, user interface, applications, etc., and a modem processor, which primarily handles wireless communication signals, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into processor 1010.

The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements the processes of the detection method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory, a random access memory, a magnetic or optical disk, and the like.

The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement each process of the foregoing detection method embodiment, and can achieve the same technical effect, and the details are not repeated here to avoid repetition.

It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.

Embodiments of the present application provide a computer program product, where the program product is stored in a storage medium, and the program product is executed by at least one processor to implement the processes of the foregoing detection method embodiments, and achieve the same technical effects, and in order to avoid repetition, details are not described here again.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element identified by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application or portions thereof that contribute to the prior art may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) to execute the method according to the embodiments of the present application.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an electronic equipment, its characterized in that includes display module assembly, supersound fingerprint sensor and pressure sensor, supersound fingerprint sensor includes the piezoelectric layer, the piezoelectric layer laminate in the display module assembly below, pressure sensor includes the receiving element, the receiving element with the piezoelectric layer electricity is connected, the piezoelectric layer is in the ultrasonic wave is launched when electronic equipment is in the fingerprint identification mode, and is in produce pressure signal when electronic equipment is in the pressure detection mode.

2. The electronic device of claim 1, further comprising a structural member located below the display module for securing the display module, and a support member disposed between the structural member and the piezoelectric layer for conducting pressure.

3. The electronic device of claim 2, wherein the support is foam.

4. The electronic device of claim 2, wherein the support member is made of a conductive material, and the support member is further configured to absorb ultrasonic waves.

5. The electronic device of claim 1, wherein the ultrasonic fingerprint sensor further comprises a driving chip, the driving chip is connected to the piezoelectric layer, and the driving chip is configured to drive the piezoelectric layer to emit ultrasonic waves when the electronic device is in a fingerprint recognition mode.

6. The electronic device of claim 5, further comprising a controller and a flexible circuit board, wherein the driving chip is connected to the controller through the flexible circuit board, and the controller is configured to control the driving chip to drive the piezoelectric layer to emit the ultrasonic wave when the electronic device is in the fingerprint recognition mode.

7. The electronic device of claim 1, wherein the piezoelectric layer comprises a first electrode layer, a second electrode layer, and a layer of piezoelectric material between the first electrode layer and the second electrode layer.

8. The electronic device of claim 7, wherein the first electrode layer comprises a thin-film transistor layer comprising a plurality of thin-film transistors distributed in an array.

9. The electronic device of claim 7, wherein the display module is an OLED display module.

10. A detection method applied to an electronic device according to any one of claims 1 to 9, the method comprising:

under the condition that the electronic equipment is detected to be in a fingerprint identification mode, the piezoelectric layer is controlled to emit ultrasonic waves, and a fingerprint pressed on the display module is obtained by utilizing the ultrasonic fingerprint sensor;