CN109543378B - Fingerprint unlocking method and related equipment - Google Patents
Fingerprint unlocking method and related equipment Download PDFInfo
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- CN109543378B CN109543378B CN201811325436.2A CN201811325436A CN109543378B CN 109543378 B CN109543378 B CN 109543378B CN 201811325436 A CN201811325436 A CN 201811325436A CN 109543378 B CN109543378 B CN 109543378B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
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Abstract
The application discloses fingerprint unlocking method and related equipment, is applied to mobile terminal including touch screen, treater and fingerprint sensor, and the touch screen includes TP, and TP includes two interrupt pins, and one interrupt pin is connected with the treater, and another interrupt pin is connected with fingerprint sensor, and the touch screen includes the fingerprint collection region, and fingerprint sensor locates the regional below of fingerprint collection, and the method includes: the processor lights up the fingerprint acquisition area to a first brightness; when detecting that a finger touches a fingerprint acquisition area, the TP sends a first interrupt request to a fingerprint sensor; after receiving the first interrupt request, the fingerprint sensor collects signals to obtain a fingerprint image of the finger; the processor performs fingerprint identification operation based on the fingerprint image; and when the fingerprint identification is successful, the processor performs unlocking operation. By adopting the embodiment of the application, the unlocking speed can be improved.
Description
Technical Field
The present application relates to the field of electronic technologies, and in particular, to a fingerprint unlocking method and a related device.
Background
The area screen lower fingerprint is that the fingerprint sensor is arranged below a fingerprint acquisition area of the touch screen. Currently, the process of unlocking a fingerprint under a regional screen is generally as follows: firstly, a finger placed on a fingerprint acquisition area is irradiated by light emitted by the fingerprint acquisition area, the light emitted by the fingerprint acquisition area is reflected when reaching the finger, and a fingerprint sensor receives a reflected light signal to obtain a fingerprint image; then, identifying the obtained fingerprint image; and finally, after the identification is successful, carrying out unlocking operation.
Disclosure of Invention
The embodiment of the application provides a fingerprint unlocking method and related equipment, which are used for improving the unlocking speed.
In a first aspect, an embodiment of the present application provides a fingerprint unlocking method, which is applied to a mobile terminal including a touch screen, a processor, and a fingerprint sensor, where the touch screen includes a TP, the TP includes two interrupt pins, one interrupt pin is connected to the processor, and the other interrupt pin is connected to the fingerprint sensor, the touch screen includes a fingerprint acquisition area, and the fingerprint sensor is disposed below the fingerprint acquisition area, and the method includes:
the processor lights up the fingerprint acquisition area to a first brightness;
when detecting a touch operation of a finger on the fingerprint acquisition area, the TP sends a first interrupt request to the fingerprint sensor;
after receiving the first interrupt request, the fingerprint sensor collects signals to obtain a fingerprint image of the finger;
the processor performs fingerprint identification operation based on the fingerprint image;
and when the fingerprint identification is successful, the processor performs unlocking operation.
In a second aspect, an embodiment of the present application provides a fingerprint unlocking device, which is applied to a mobile terminal including a touch screen, where the mobile terminal includes a fingerprint acquisition area, and the device includes:
the processing unit is used for lighting the fingerprint acquisition area to a first brightness;
the signal triggering unit is used for sending a first interrupt request to the fingerprint acquisition unit when detecting the touch operation of a finger on the fingerprint acquisition area;
the fingerprint acquisition unit is used for acquiring signals after receiving the first interrupt request so as to obtain a fingerprint image of the finger;
the processing unit is further used for performing fingerprint identification operation based on the fingerprint image; and when the fingerprint identification is successful, carrying out unlocking operation.
In a third aspect, an embodiment of the present application provides a mobile terminal, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the program includes instructions for executing steps in the method according to the first aspect of the embodiment of the present application.
In a fourth aspect, the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program makes a computer perform some or all of the steps described in the method according to the first aspect of the present application.
In a fifth aspect, the present application provides a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, where the computer program is operable to cause a computer to perform some or all of the steps described in the method according to the first aspect of the present application. The computer program product may be a software installation package.
It can be seen that in this application embodiment, add an interrupt pin of being connected with fingerprint sensor on the TP for when detecting finger touch-control fingerprint collection region, TP directly informs fingerprint sensor and carries out the fingerprint collection operation, compares in prior art and need inform fingerprint sensor collection fingerprint image through the treater, and this application need not to inform through the treater, promotes the unblock speed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1a is a schematic structural diagram of a mobile terminal according to an embodiment of the present application;
FIG. 1b is a schematic diagram of a processor according to an embodiment of the present disclosure;
fig. 1c is a schematic structural diagram of a fingerprint sensor according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a fingerprint acquisition method according to an embodiment of the present application;
FIG. 3 is a schematic flowchart of another fingerprint acquisition method provided in the embodiments of the present application;
fig. 4 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a fingerprint acquisition device according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The following are detailed below.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Mobile terminals may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of User Equipment (UE), Mobile Stations (MS), terminal Equipment (terminal device), and the like, having wireless communication capabilities.
Referring to fig. 1a, fig. 1a is a schematic structural diagram of a mobile terminal according to an embodiment of the present disclosure, where the mobile terminal includes a processor, a Memory, a signal processor, a communication interface, a touch screen, a speaker, a microphone, a Random Access Memory (RAM), a camera, a sensor, and the like.
The processor may also be an AP processor, or may also be another processor.
The storage, the signal processor, the touch screen, the loudspeaker, the microphone, the RAM, the camera and the sensor are connected with the processor, and the communication interface is connected with the signal processor.
The touch screen comprises a display screen and a touch panel (touch panel, TP), and the touch screen comprises a fingerprint acquisition area. The fingerprint acquisition area is an area in the touch screen, namely a large area with the size capable of being pressed by a plurality of fingers at the same time, and is not a small area capable of being pressed by a single finger. The position of the fingerprint collection area may be a middle area of the touch screen, an upper partial area of the touch screen, a lower partial area of the touch screen, and the like, which is not limited herein.
Wherein, TP includes two interrupt pins, and an interrupt pin is connected with the processor, and another interrupt pin is connected with the fingerprint sensor. Wherein, the schematic structural diagram of the processor is shown in fig. 1b, and the schematic structural diagram of the fingerprint sensor is shown in fig. 1 c. The integrated circuit includes a Ground pin (GND), a power Voltage pin (Voltage Drain, VDD), a RESET pin (RESET, RST), an Interrupt pin (Interrupt, INT), a null pin (NOT CONNECTED, NC), a System Clock pin (System Clock, SCLK), an SPI Bus Master Input/Slave Output pin (SPI Bus Master Input/Slave Output, MISO), an SPI Bus Master Output/Slave Input pin (SPI Bus Master Output/Slave Input, MOSI), a Chip Select signal pin (Chip Select, CS), a TP Interrupt pin (TP _ INT), a Serial Peripheral Interface (SPI), and S, G, D in fig. 1c is three pins of an MOS transistor. As can be seen from fig. 1b and 1c, the processor and the fingerprint sensor each have a TP-INT for connecting to an interrupt pin of the TP.
Wherein, the sensor comprises a fingerprint sensor, an infrared sensor, a gyroscope and the like. The fingerprint sensor is arranged below the fingerprint acquisition area and is an optical fingerprint sensor.
In an embodiment of the present application, the processor is configured to illuminate the fingerprint acquisition area to a first brightness;
the TP is used for sending a first interrupt request to a fingerprint sensor when the touch operation of a finger on the fingerprint acquisition area is detected;
the fingerprint sensor is used for acquiring signals after receiving the first interrupt request so as to obtain a fingerprint image of the finger;
the processor is also used for carrying out fingerprint identification operation based on the fingerprint image; and when the fingerprint identification is successful, carrying out unlocking operation.
It can be seen that in this application embodiment, add an interrupt pin of being connected with fingerprint sensor on the TP for when detecting finger touch-control fingerprint collection region, TP directly informs fingerprint sensor and carries out the fingerprint collection operation, need inform fingerprint sensor collection fingerprint image through the treater for prior art, this application need not to inform through the treater, promotes the speed of unblocking.
In an implementation manner of the present application, the TP is further configured to send a second interrupt request to the processor when sending the first interrupt request to the fingerprint sensor;
the processor is further used for determining the display state of the area of the touch screen except the fingerprint acquisition area after receiving the second interrupt request; and executing a screen awakening operation when the display state of the area of the touch screen except the fingerprint acquisition area is a screen-off state.
In an implementation manner of the present application, the processor is further configured to record a first completion time of the screen wakeup operation when the screen wakeup operation is completed; when the unlocking operation is completed, recording a second completion moment of the unlocking operation; when the difference value between the first finishing time and the second finishing time is smaller than or equal to a preset threshold value, controlling a target small video of the touch screen, wherein the sum of the duration of the target small video and the difference value is larger than the preset threshold value; and after the target small video is played, controlling the touch screen to display a system desktop.
In an implementation manner of the application, after the processor controls the touch screen display system desktop, the processor is further configured to control the fingerprint collection area to display an application icon of a target application.
In an implementation manner of the present application, the processor is further configured to adjust the brightness of the fingerprint acquisition area to a second brightness after receiving the second interrupt request, where the second brightness is greater than the first brightness.
In an implementation manner of the present application, the first interrupt request carries a touch signal of the finger touch area, and in terms of acquiring a signal to obtain a fingerprint image of the finger, the fingerprint sensor is specifically configured to:
determining a center touch point of the fingerprint acquisition area touched by the finger based on the touch signal;
collecting signals of a target area to obtain a fingerprint image of the finger, wherein the center of the target area is the central touch point, the area of the target area is a preset area, and the preset area is smaller than the area of the fingerprint collection area.
In an implementation manner of the present application, in lighting the fingerprint acquisition area to a first brightness, the processor is specifically configured to:
the processor illuminates the fingerprint acquisition area to a first intensity under a first condition comprising at least one of: the method comprises the steps of detecting a set knocking signal, detecting a set touch operation aiming at the touch screen, and detecting a set gesture.
It should be noted that, specific implementation procedures of the steps executed by the modules may refer to specific implementation procedures described in the following methods, and are not described herein.
Referring to fig. 2, fig. 2 is a schematic flowchart of a fingerprint unlocking method provided in an embodiment of the present application, and the method is applied to the mobile terminal, and the method includes:
step 201: the processor illuminates the fingerprint acquisition area to a first brightness.
Specifically, when the fingerprint acquisition area is lighted to a first brightness, the processor lights an area of the touch screen except the fingerprint acquisition area to a fourth brightness, where the fourth brightness may be equal to the first brightness, may also be less than the first brightness, and may also be greater than the first brightness; or the processor puts the area of the touch screen except the fingerprint acquisition area into a screen-off state.
The first brightness may be a display brightness of the touch screen currently set by the mobile terminal, or may be a preset brightness, which is not limited herein.
Step 202: when detecting that the finger is in touch operation to the fingerprint acquisition area, the TP sends a first interrupt request to the fingerprint sensor.
The touch operation may be, for example, a pressing operation, a clicking operation, or the like.
Wherein the first interrupt request is used for triggering the fingerprint sensor to acquire a signal.
Step 203: after receiving the first interrupt request, a fingerprint sensor collects a signal to obtain a fingerprint image of the finger.
The signal collected by the fingerprint sensor is an optical signal.
Step 204: the fingerprint sensor sends the fingerprint image to a processor;
step 205: and when the fingerprint image is received, the processor performs fingerprint identification operation based on the fingerprint image.
Step 206: and when the fingerprint identification is successful, the processor performs unlocking operation.
Currently, the area under-screen fingerprint unlocking operation is generally as follows: when the TP detects that a finger is pressed, the TP feeds back a signal to the processor, then the processor informs the fingerprint sensor to perform fingerprint acquisition operation, then the fingerprint sensor responds to the notification to perform fingerprint acquisition operation, then the processor identifies a fingerprint image obtained by performing fingerprint acquisition operation, and finally after the identification is successful, unlocking operation is performed.
And in this application embodiment, add an interrupt pin of being connected with fingerprint sensor on the TP for when detecting finger touch-control fingerprint collection region, TP directly informs fingerprint sensor and carries out the fingerprint collection operation, compares in prior art and need inform fingerprint sensor collection fingerprint image through the treater, and this application need not to inform through the treater, promotes the speed of unblocking.
In an implementation manner of the present application, the method further includes:
while sending a first interrupt request to the fingerprint sensor, the TP sending a second interrupt request to the processor;
after receiving the second interrupt request, the processor determines a display state of an area of the touch screen other than the fingerprint acquisition area;
when the display state of the touch screen except the fingerprint acquisition area is in a screen-off state, the processor executes a screen wakeup operation;
when the display state of the area of the touch screen except the fingerprint acquisition area is a bright screen state, the processor does not perform any operation until step 204.
And when the display state of the area of the touch screen except the fingerprint acquisition area is in a screen-off state, the second interrupt request is used for triggering the processor to execute the screen wakeup operation. The execution flow of the screen wakeup operation comprises the following steps: MDP Power on through Panel initializes to frame-brushing to lighted screen.
In an implementation manner of the present application, the method further includes:
when the screen awakening operation is completed, the processor records a first completion moment of the screen awakening operation;
when the unlocking operation is completed, the processor records a second completion moment of the unlocking operation;
when the difference value between the first finishing moment and the second finishing moment is smaller than or equal to a preset threshold value, the processor controls the touch screen to play a target small video, and the sum of the duration of the target small video and the difference value is larger than the preset threshold value;
and after the target small video is played, the processor controls the touch screen to display a system desktop.
The target small video may be, for example, a lock screen magazine small video, a small video previously entered by a user, a small video previously downloaded by the user, or the like. The target small videos corresponding to unlocking in different time periods can be the same or different.
Since the fingerprint collection and the screen wakeup are performed in parallel, if the completion time of the screen wakeup and the completion time of the unlocking operation are less than one time, the user may feel a phenomenon of screen flashing. Under the condition, the small video is played before the system desktop is not accessed, and the small video is accessed after the small video is played, so that the problem of screen flashing caused by parallel operation can be avoided.
In an implementation manner of the present application, after the processor controls the touch screen display system desktop, the method further includes: the processor controls the fingerprint acquisition area to display an application icon of a target application.
The target application may be one or more, and is not limited herein.
Further, when the fingerprint image has a corresponding application, the target application is the application corresponding to the fingerprint image.
Further, when the fingerprint image has no corresponding application, the target application is an application used before the screen of the mobile terminal is locked, or an application with the accumulated use times larger than or equal to a set threshold value.
Further, when the fingerprint image does not have a corresponding application, the first condition includes that a setting gesture is detected, and when the setting gesture is a call gesture, the target application is an application capable of talking, such as a QQ, a WeChat, a telephone application, and the like.
Particularly, currently, as the variety of applications increases and the usage time of the mobile terminal increases, the applications installed by the user become larger. Generally, most users will put most applications in the add-on program for the tidiness of the system desktop, so that when the user opens the application, the user will enter the add-on program first and then find the application to be started, which affects the speed of starting the application.
In the embodiment of the application, as the user presses the fingerprint acquisition area for unlocking, the user can directly notice the fingerprint acquisition area after unlocking, so that the application icons of the applications which are possibly used by some users are displayed in the area, and the starting speed of the applications can be increased.
In an implementation manner of the present application, the method further includes:
after receiving the second interrupt request, the processor adjusts the brightness of the fingerprint acquisition area to a second brightness, wherein the second brightness is larger than the first brightness.
And when the display state of the area of the touch screen except the fingerprint acquisition area is in a screen-off state, the second interrupt request is also used for triggering the processor to adjust the brightness of the fingerprint acquisition area.
Specifically, the second luminance is a luminance set in advance; or the second brightness is determined by the mobile terminal according to the ambient light brightness of the current environment of the mobile terminal, and the second brightness corresponding to the ambient light brightness is determined according to the mapping relation between the ambient light brightness and the brightness of the fingerprint acquisition area; or the second brightness is determined by the mobile terminal according to the current geographic position of the mobile terminal, and the second brightness corresponding to the current geographic position is determined according to the mapping relation between the geographic position and the brightness of the fingerprint acquisition area; and so on.
It can be seen that, in this application embodiment, light the fingerprint collection region to a lower luminance earlier, when the fingerprint collection region was touched control, improve the luminance in second region again, for improving the luminance in whole fingerprint collection region, this application only improves the luminance in second region, has reduced the consumption. In addition, fingerprint collection is performed after the brightness of the second area is improved, and the quality of collected fingerprint images is improved.
In an implementation manner of the present application, the first interrupt request carries a touch signal of the finger touch area, and the fingerprint sensor collects a signal to obtain a fingerprint image of the finger, including:
the fingerprint sensor determines a center touch point of the fingerprint acquisition area touched by the finger based on the touch signal; the fingerprint sensor collects signals of a target area to obtain a fingerprint image of the finger, the center of the target area is the central touch point, the area of the target area is a preset area, and the preset area is smaller than the area of the fingerprint collection area.
The touch screen comprises a plurality of pixel points, and the touch signal comprises capacitance value variable quantities corresponding to the pixel points.
The specific implementation manner of the fingerprint sensor determining the center touch point of the fingerprint acquisition area by the finger touch based on the touch signal is as follows: the fingerprint sensor takes a target pixel point as a central touch point of the fingerprint acquisition area, and the capacitance value variation corresponding to the target pixel point is the largest of the plurality of pixel points.
The shape of the target region may be square, circular, rectangular, or elliptical, and is not limited herein.
The predetermined area may be 8mm by 8nm, 10mm by 10nm, 8mm by 10mm, or other values.
It can be seen that, in this application embodiment, for the fingerprint image that the signal that gathers whole fingerprint collection area obtained, the data of the fingerprint image that this application was gathered is less relatively, and then has promoted follow-up fingerprint identification's speed.
In an implementation manner of the present application, before the processor performs the fingerprint identification operation based on the fingerprint image, the method further includes:
under the condition that the brightness of the current environment of the mobile terminal is greater than or equal to preset brightness, the processor cuts the fingerprint image to obtain a target fingerprint image, the central point of the target fingerprint image is the same as the central point of the fingerprint image, and the area of the target fingerprint image is smaller than that of the fingerprint image;
the processor performs a fingerprint identification operation based on the fingerprint image, including: the processor performs a fingerprint identification operation based on the target fingerprint image.
When the brightness of the current environment of the mobile terminal is greater than or equal to the preset brightness, the mobile terminal is in a highlight environment, otherwise, the mobile terminal is in a non-highlight environment.
The shape of the fingerprint image may be the same as or different from the shape of the target fingerprint image, which is not limited herein.
It can be seen that, under the highlight environment, because the meat at finger border is thinner more easily to pierce through, and other angle light reflect to one side, it is great to the fingerprint image influence, under this kind of circumstances, removes the border of the fingerprint image who gathers, carries out fingerprint identification again, and then has promoted the quality that is used for fingerprint identification's fingerprint image, and then has promoted fingerprint identification rate.
In an implementation manner of the present application, the first interrupt request carries a touch signal for touching the fingerprint acquisition area by the finger, and the processor adjusts the brightness of the fingerprint acquisition area to a second brightness, including:
the processor determines a central touch point of the fingerprint acquisition area touched by the finger based on the touch signal; the processor adjusts the brightness of a set area to a second brightness, the center of the set area is the center touch point, the set area comprises the target area, the area of the set area is a set area, and the set area is smaller than the area of the fingerprint acquisition area.
The shape of the setting area is the same as that of the target area, or the shape of the setting area is different from that of the target area.
It can be seen that, in this application embodiment, light the fingerprint collection region to a lower luminance earlier, when the fingerprint collection region was touched control, will set for regional luminance improvement again, for improving the luminance in whole fingerprint collection region, this application only improves the luminance in setting for the region, has reduced the consumption.
Further, the method further comprises:
when the brightness of the set area is adjusted to the second brightness, the processor adjusts the brightness of the area outside the set area at the fingerprint acquisition area to a third brightness, wherein the third brightness is smaller than the first brightness.
The third brightness may be the lowest brightness that can be displayed by the touch screen, or may be 0 (i.e., a black screen), which is not limited herein.
It can be seen that in the embodiment of the present application, the brightness of the setting region is increased, and the brightness of other regions is decreased, so that the power consumption is further reduced.
In an implementation manner of the present application, the lighting the fingerprint acquisition area to a first brightness by the processor includes:
the processor illuminates the fingerprint acquisition area to a first intensity under a first condition comprising at least one of: the method comprises the steps of detecting a set knocking signal, detecting a set touch operation aiming at the touch screen, and detecting a set gesture.
Wherein the unlock interface is different from the lock screen interface. And displaying the screen locking wallpaper on the screen locking interface. And displaying an unlocking prompt on the unlocking interface. For example, if the verification information required for unlocking is a digital password, displaying a 0-9 number key and a prompt text for prompting to input the password on the unlocking interface, or for example, if the verification information required for unlocking is a digital password, displaying a 0-9 number key and a prompt text for prompting to input the password on the unlocking interface. For another example, if the verification information required for unlocking is a fingerprint, a fingerprint acquisition area is displayed on the unlocking interface, and prompt text prompting that the fingerprint is input in the fingerprint acquisition area is displayed.
The setting touch operation may be user-defined or mobile terminal-defined, and is not limited herein. The setting touch operation includes, for example, a single-click operation, a multi-click operation, a slide operation (e.g., a leftward slide operation, a rightward slide operation, an upward slide operation, a downward slide operation, etc.), a single-click operation followed by a slide operation, a multi-click operation followed by a slide operation, a slide operation followed by a single-click operation, a multi-click operation followed by a slide operation, and the like.
The setting gesture may be user-defined or user-defined by the mobile terminal, and is not limited herein. Examples of the setting gesture include a phone call gesture, a ring finger gesture, a slide gesture, an OK gesture, a ring finger gesture followed by an OK gesture, and the like.
The set tapping signal may be user-defined or mobile terminal-defined, and is not limited herein. The tapping signal includes: at least one of a number of taps, a frequency of taps, and a tapping motion. The knocking action can be one knocking action or a plurality of knocking actions. When the tapping action is a plurality of tapping actions, at least two tapping actions among the plurality of tapping actions are different from each other. The set tapping signal is input by the user according to the set tapping action and the set tapping times in advance. Wherein the set tapping action is a simple tapping action, such as tapping lightly with a finger; or the set tapping action is a more complex tapping action, such as tapping a few times with a first finger and tapping a few times with a second finger.
It can be seen that, in the embodiment of the application, the fingerprint acquisition area is triggered to be lightened under a certain condition, so that the influence on the display life of the fingerprint acquisition area due to the fact that the fingerprint acquisition area is always lightened is avoided, and the performance of the mobile terminal is improved.
In an implementation manner of the present application, after the processor lights up the fingerprint acquisition area to the first brightness, the method further includes:
the processor controls the fingerprint collection area to display target information, wherein the target information comprises at least one of the following: time information, notification information, power status information, network status information.
The time information includes a current system time, a current system date, and the like. The notification information includes short message notification information, incoming call notification information, notification information pushed by an application, an expiration reminder of an event recorded in a memo, and the like. The electric quantity state information is used for representing the electric quantity percentage left by the current mobile terminal, and comprises an electric quantity state icon, a residual electric quantity percentage numerical value and the like. The network state information is used to indicate a network to which the mobile terminal is currently connected and a signal strength of the connected network. The network status information includes an icon of the connected network, a signal strength icon of the connected network, and the like.
It can be seen that, in this application embodiment, after lighting up the fingerprint collection region, show some information in the fingerprint collection region, promoted the regional utilization ratio of fingerprint collection.
In an implementation manner of the present application, after the processor controls the fingerprint acquisition area to display target information, the method further includes:
when the touch operation of a finger on the fingerprint collection area is detected, the processor removes the target information from the fingerprint collection area.
It can be seen that, in this application embodiment, because fingerprint sensor is the optics fingerprint, when detecting the finger to the touch-control operation in fingerprint collection area, in order not to influence the fingerprint image who gathers, will remove the demonstration at the information that fingerprint collection area shows, and then under the regional circumstances of rational utilization fingerprint collection, do not influence the fingerprint image who gathers again, promoted mobile terminal's performance.
In an implementation manner of the present application, after the processor controls the fingerprint acquisition area to display target information, the method further includes:
and when the touch operation of the finger on the fingerprint acquisition area is not detected within a set time, the processor extinguishes the fingerprint acquisition area.
The set time period may be, for example, 1min, 3min, 5min, 10min or other values.
It can be seen that, in the embodiment of the present application, if the touch operation of the finger on the fingerprint acquisition area is not detected within a certain duration, it indicates that the mobile terminal may be touched by mistake, or the user only wants to view the content displayed on the fingerprint acquisition area, in this case, the fingerprint acquisition area is directly turned off, and power consumption is reduced in some assumption.
Referring to fig. 3, fig. 3 is a schematic flowchart of a fingerprint unlocking method provided in an embodiment of the present application, and the fingerprint unlocking method is applied to the mobile terminal, where the fingerprint unlocking method includes:
step 301: the processor illuminates the fingerprint acquisition area to a first brightness.
Step 302: when detecting that the finger is in touch operation to the fingerprint acquisition area, the TP sends a first interrupt request to the fingerprint sensor.
Step 303: upon sending a first interrupt request to the fingerprint sensor, the TP sends a second interrupt request to the processor.
Step 304: after receiving the first interrupt request, a fingerprint sensor collects a signal to obtain a fingerprint image of the finger.
Step 305: the fingerprint sensor sends the fingerprint image to a processor.
Step 306: after receiving the second interrupt request, the processor determines a display state of an area of the touch screen other than the fingerprint acquisition area.
Step 307: and when the display state of the area of the touch screen except the fingerprint acquisition area is a screen-off state, executing a screen awakening operation by the processor.
Step 308: after receiving the fingerprint image, a processor performs a fingerprint identification operation based on the fingerprint image.
Step 309: and when the fingerprint identification is successful, the processor performs unlocking operation.
Step 310: and when the screen awakening operation is completed, the processor records a first completion moment of the screen awakening operation.
Step 311: and when the unlocking operation is completed, the processor records a second completion moment of the unlocking operation.
Step 312: and when the difference value between the first finishing moment and the second finishing moment is smaller than or equal to a preset threshold value, the processor controls the touch screen to play a target small video, and the sum of the duration of the target small video and the difference value is larger than the preset threshold value.
Step 313: and after the target small video is played, the processor controls the touch screen to display a system desktop.
It should be noted that, for the specific implementation process of the present embodiment, reference may be made to the specific implementation process described in the above method embodiment, and a description thereof is omitted here.
Consistent with the embodiments shown in fig. 2 and fig. 3, please refer to fig. 4, and fig. 4 is a schematic structural diagram of a mobile terminal according to an embodiment of the present disclosure, where as shown, the mobile terminal includes a touch screen, a processor, and a fingerprint sensor, the touch screen includes a TP, the TP includes two interrupt pins, one interrupt pin is connected to the processor, the other interrupt pin is connected to the fingerprint sensor, the touch screen includes a fingerprint acquisition area, the fingerprint sensor is disposed below the fingerprint acquisition area, the mobile terminal further includes a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the programs include instructions for performing the following steps:
lighting the fingerprint acquisition area to a first brightness;
when the fingerprint sensor acquires a signal to obtain a fingerprint image of a finger, performing fingerprint identification operation based on the fingerprint image, wherein the fingerprint sensor acquires the signal and is triggered after receiving a first interrupt request sent by the TP, and the first interrupt request is triggered by the TP when the touch operation of the finger on the fingerprint acquisition area is detected;
and when the fingerprint identification is successful, carrying out unlocking operation.
In one implementation of the present application, the program includes instructions for performing the steps of:
determining a display state of an area of the touch screen other than the fingerprint acquisition area after receiving a second interrupt request, the second interrupt request being sent by the TP when sending the first interrupt request to the fingerprint sensor;
and when the display state of the area of the touch screen except the fingerprint acquisition area is a screen-off state, the processor executes a screen awakening operation.
In one implementation of the present application, the program includes instructions for performing the steps of:
when the screen awakening operation is completed, recording a first completion moment of the screen awakening operation;
when the unlocking operation is completed, recording a second completion moment of the unlocking operation;
when the difference value between the first finishing time and the second finishing time is smaller than or equal to a preset threshold value, controlling a target small video of the touch screen, wherein the sum of the duration of the target small video and the difference value is larger than the preset threshold value;
and after the target small video is played, controlling the touch screen to display a system desktop.
In an implementation manner of the present application, after controlling the touch screen display system desktop, the program includes instructions for executing the following steps:
and controlling the fingerprint acquisition area to display an application icon of a target application.
In one implementation of the present application, the program includes instructions for performing the steps of:
after the second interrupt request is received, the brightness of the fingerprint acquisition area is adjusted to a second brightness, and the second brightness is larger than the first brightness.
In an implementation manner of the present application, the first interrupt request carries a touch signal of the finger touch area, the fingerprint sensor collects a signal to obtain a fingerprint image of the finger, including: the fingerprint sensor determines a center touch point of the fingerprint acquisition area touched by the finger based on the touch signal; the fingerprint sensor collects signals of a target area to obtain a fingerprint image of the finger, the center of the target area is the central touch point, the area of the target area is a preset area, and the preset area is smaller than the area of the fingerprint collection area.
In one implementation of the present application, in lighting the fingerprint acquisition area to a first brightness, the program includes instructions specifically configured to:
the processor illuminates the fingerprint acquisition area to a first intensity under a first condition comprising at least one of: the method comprises the steps of detecting a set knocking signal, detecting a set touch operation aiming at the touch screen, and detecting a set gesture.
It should be noted that, for the specific implementation process of the present embodiment, reference may be made to the specific implementation process described in the above method embodiment, and a description thereof is omitted here.
The above embodiments mainly introduce the scheme of the embodiments of the present application from the perspective of the method-side implementation process. It is understood that the electronic device comprises corresponding hardware structures and/or software modules for performing the respective functions in order to realize the above-mentioned functions. Those of skill in the art would readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiment of the present application, the electronic device may be divided into the functional units according to the method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
The following is an embodiment of the apparatus of the present application, which is used to execute the method implemented by the embodiment of the method of the present application. Referring to fig. 5, fig. 5 is a fingerprint identification device provided in an embodiment of the present application, which is applied to a mobile terminal including a touch screen, where the touch screen includes a fingerprint acquisition area, and the fingerprint identification device includes:
the processing unit 501 is configured to light the fingerprint acquisition area to a first brightness;
a signal triggering unit 502, configured to send a first interrupt request to a fingerprint acquisition unit 503 when a touch operation of a finger on the fingerprint acquisition area is detected;
the fingerprint collecting unit 503 is configured to collect a signal after receiving the first interrupt request, so as to obtain a fingerprint image of the finger;
the processing unit 501 is further configured to perform a fingerprint identification operation based on the fingerprint image; and when the fingerprint identification is successful, carrying out unlocking operation.
In an implementation manner of the present application, the signal triggering unit 502 is further configured to send a second interrupt request to the processing unit 501 when sending the first interrupt request to the fingerprint acquisition unit 503;
the processing unit 501 is further configured to determine, after receiving the second interrupt request, a display state of an area of the touch screen other than the fingerprint acquisition area; and executing a screen awakening operation when the display state of the area of the touch screen except the fingerprint acquisition area is a screen-off state.
In an implementation manner of the present application, the processing unit 501 is further configured to record a first completion time of the screen wakeup operation when the screen wakeup operation is completed; when the unlocking operation is completed, recording a second completion moment of the unlocking operation; when the difference value between the first finishing moment and the second finishing moment is smaller than or equal to a preset threshold value, controlling the touch screen to play a target small video, wherein the sum of the duration of the target small video and the difference value is larger than the preset threshold value; and after the target small video is played, controlling the touch screen to display a system desktop.
In an implementation manner of the application, after the processing unit 501 controls the touch screen display system desktop, the processing unit 501 is further configured to control the fingerprint collection area to display an application icon of a target application.
In an implementation manner of the present application, the processing unit 501 is further configured to adjust the brightness of the fingerprint acquisition area to a second brightness after receiving the second interrupt request, where the second brightness is greater than the first brightness.
In an implementation manner of the present application, the first interrupt request carries a touch signal of the finger touch control fingerprint acquisition area, and in terms of acquiring a signal to obtain a fingerprint image of the finger, the fingerprint acquisition unit 503 is specifically configured to:
determining a center touch point of the fingerprint acquisition area touched by the finger based on the touch signal;
collecting signals of a target area to obtain a fingerprint image of the finger, wherein the center of the target area is the central touch point, the area of the target area is a preset area, and the preset area is smaller than the area of the fingerprint collection area.
In an implementation manner of the present application, in lighting the fingerprint acquisition area to the first brightness, the processing unit 501 is specifically configured to:
the processor illuminates the fingerprint acquisition area to a first intensity under a first condition comprising at least one of: the method comprises the steps of detecting a set knocking signal, detecting a set touch operation aiming at the touch screen, and detecting a set gesture.
It should be noted that the processing unit 501 may be implemented by a processor, the interrupt triggering unit 502 may be implemented by a TP of a touch screen, and the fingerprint collecting unit 503 may be implemented by a fingerprint sensor.
Embodiments of the present application also provide a computer storage medium, where the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the methods described in the above method embodiments, and the computer includes a mobile terminal.
Embodiments of the present application also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any of the methods as described in the above method embodiments. The computer program product may be a software installation package, the computer comprising a mobile terminal.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer readable memory if it is implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above-mentioned method of the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (14)
1. The fingerprint unlocking method is characterized by being applied to a mobile terminal comprising a touch screen, a processor and a fingerprint sensor, wherein the touch screen comprises a touch panel TP, the TP comprises two interrupt pins, one interrupt pin is connected with the processor, the other interrupt pin is connected with the fingerprint sensor, the touch screen comprises a fingerprint acquisition area, the fingerprint sensor is arranged below the fingerprint acquisition area, and the method comprises the following steps:
the processor lights up the fingerprint acquisition area to a first brightness;
when detecting a touch operation of a finger on the fingerprint acquisition area, the TP sends a first interrupt request to the fingerprint sensor;
after receiving the first interrupt request, the fingerprint sensor collects signals to obtain a fingerprint image of the finger;
the processor performs fingerprint identification operation based on the fingerprint image;
and when the fingerprint identification is successful, the processor performs unlocking operation.
2. The method of claim 1, further comprising:
while sending a first interrupt request to the fingerprint sensor, the TP sending a second interrupt request to the processor;
after receiving the second interrupt request, the processor determines a display state of an area of the touch screen other than the fingerprint acquisition area;
and when the display state of the area of the touch screen except the fingerprint acquisition area is a screen-off state, the processor executes a screen awakening operation.
3. The method of claim 2, further comprising:
when the screen awakening operation is completed, the processor records a first completion moment of the screen awakening operation;
when the unlocking operation is completed, the processor records a second completion moment of the unlocking operation;
when the difference value between the first finishing moment and the second finishing moment is smaller than or equal to a preset threshold value, the processor controls the touch screen to play a target small video, and the sum of the duration of the target small video and the difference value is larger than the preset threshold value;
and after the target small video is played, the processor controls the touch screen to display a system desktop.
4. The method of claim 3, wherein after the processor controls the touchscreen display system desktop, the method further comprises:
the processor controls the fingerprint acquisition area to display an application icon of a target application.
5. The method according to any one of claims 2-4, further comprising:
after receiving the second interrupt request, the processor adjusts the brightness of the fingerprint acquisition area to a second brightness, wherein the second brightness is larger than the first brightness.
6. The method according to any one of claims 1 to 4, wherein the first interrupt request carries a touch signal of the finger touching the fingerprint acquisition area, and the fingerprint sensor acquires the signal to obtain the fingerprint image of the finger, and the method comprises:
the fingerprint sensor determines a center touch point of the fingerprint acquisition area touched by the finger based on the touch signal;
the fingerprint sensor collects signals of a target area to obtain a fingerprint image of the finger, the center of the target area is the central touch point, the area of the target area is a preset area, and the preset area is smaller than the area of the fingerprint collection area.
7. The method of claim 5, wherein the first interrupt request carries a touch signal of the finger touching the fingerprint collection area, and the fingerprint sensor collects the signal to obtain the fingerprint image of the finger, and comprises:
the fingerprint sensor determines a center touch point of the fingerprint acquisition area touched by the finger based on the touch signal;
the fingerprint sensor collects signals of a target area to obtain a fingerprint image of the finger, the center of the target area is the central touch point, the area of the target area is a preset area, and the preset area is smaller than the area of the fingerprint collection area.
8. The method of any of claims 1-4, wherein the processor illuminating the fingerprint acquisition area to a first intensity comprises:
the processor illuminates the fingerprint acquisition area to a first intensity under a first condition comprising at least one of: the method comprises the steps of detecting a set knocking signal, detecting a set touch operation aiming at the touch screen, and detecting a set gesture.
9. The method of claim 5, wherein the processor illuminates the fingerprint acquisition area to a first intensity comprising:
the processor illuminates the fingerprint acquisition area to a first intensity under a first condition comprising at least one of: the method comprises the steps of detecting a set knocking signal, detecting a set touch operation aiming at the touch screen, and detecting a set gesture.
10. The method of claim 6, wherein the processor illuminates the fingerprint acquisition area to a first intensity comprising:
the processor illuminates the fingerprint acquisition area to a first intensity under a first condition comprising at least one of: the method comprises the steps of detecting a set knocking signal, detecting a set touch operation aiming at the touch screen, and detecting a set gesture.
11. The method of claim 7, wherein the processor illuminates the fingerprint acquisition area to a first intensity comprising:
the processor illuminates the fingerprint acquisition area to a first intensity under a first condition comprising at least one of: the method comprises the steps of detecting a set knocking signal, detecting a set touch operation aiming at the touch screen, and detecting a set gesture.
12. The utility model provides a fingerprint unlocking device, its characterized in that is applied to the mobile terminal who includes touch-control screen, treater and fingerprint sensor, wherein, the touch-control screen includes touch panel TP, TP includes two interrupt pins, one interrupt pin with the treater is connected, another interrupt pin with fingerprint sensor connects, mobile terminal includes that the fingerprint gathers regionally, fingerprint sensor locates fingerprint gathers regionally below, the device includes:
the processing unit is used for lighting the fingerprint acquisition area to a first brightness;
the signal triggering unit is used for sending a first interrupt request to the fingerprint acquisition unit when detecting the touch operation of a finger on the fingerprint acquisition area;
the fingerprint acquisition unit is used for acquiring signals after receiving the first interrupt request so as to obtain a fingerprint image of the finger;
the processing unit is further used for performing fingerprint identification operation based on the fingerprint image; and when the fingerprint identification is successful, carrying out unlocking operation.
13. A mobile terminal, characterized in that the mobile terminal comprises a touch screen, a processor and a fingerprint sensor, the touch screen comprising a touch panel TP, the TP comprising two interrupt pins, one interrupt pin being connected to the processor and the other interrupt pin being connected to the fingerprint sensor, the touch screen comprising a fingerprint acquisition area, the fingerprint sensor being provided below the fingerprint acquisition area, the mobile terminal further comprising a memory, a communication interface, and one or more programs, the one or more programs being stored in the memory and configured to be executed by the processor, the programs comprising instructions for performing the steps in the method according to any of claims 1-11.
14. A computer-readable storage medium, characterized in that a computer program for electronic data exchange is stored, wherein the computer program causes a computer to perform the method according to any one of claims 1-11.
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| CN110210364B (en) * | 2019-05-27 | 2021-04-06 | Oppo广东移动通信有限公司 | Control method, terminal and computer storage medium |
| CN110543043A (en) * | 2019-10-09 | 2019-12-06 | Oppo广东移动通信有限公司 | Display screen and electronic equipment |
| CN113741712B (en) * | 2020-05-28 | 2024-06-21 | 北京小米移动软件有限公司 | Electronic equipment control method, device and storage medium |
| CN116736999B (en) * | 2022-09-09 | 2024-03-15 | 荣耀终端有限公司 | Control method of electronic equipment and electronic equipment |
| CN118015664A (en) * | 2022-11-08 | 2024-05-10 | 荣耀终端有限公司 | Fingerprint acquisition method and electronic equipment |
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| CN204965276U (en) * | 2015-09-16 | 2016-01-13 | 昆山龙腾光电有限公司 | Display device with fingerprint identification function |
| CN105844131A (en) * | 2016-03-17 | 2016-08-10 | 上海与德通讯技术有限公司 | Fingerprint acquisition module, electronic equipment and fingerprint unlocking method under standby state |
| CN106200878A (en) * | 2016-07-19 | 2016-12-07 | 深圳市万普拉斯科技有限公司 | Fingerprint control method, device and mobile terminal |
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