CN106815548B - Mobile equipment, screen module of mobile equipment, fingerprint authentication method and device and electronic equipment - Google Patents
Mobile equipment, screen module of mobile equipment, fingerprint authentication method and device and electronic equipment Download PDFInfo
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- CN106815548B CN106815548B CN201510893697.4A CN201510893697A CN106815548B CN 106815548 B CN106815548 B CN 106815548B CN 201510893697 A CN201510893697 A CN 201510893697A CN 106815548 B CN106815548 B CN 106815548B
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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
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
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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
- G06F3/0412—Digitisers structurally integrated in a display
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Abstract
The disclosure relates to a mobile device, a screen module of the mobile device, a fingerprint authentication method and device and an electronic device. Wherein, the screen module includes: the fingerprint module comprises a plurality of fingerprint sensors and is positioned in a content display area of the screen module; the processing component is used for starting a fingerprint sensor in at least one scanning area corresponding to at least one trigger operation after at least one trigger operation of at least one finger of a user in the content display area is detected; a data transmission line for transmitting fingerprint data collected by the fingerprint sensor in at least one scanning area to the processing component; the processing component is further used for comparing the at least one group of fingerprint data with the stored fingerprint data, and when any one group of fingerprint data in the at least one group of fingerprint data is successfully compared with the stored fingerprint data, the fingerprint authentication is determined to be passed. This disclosed technical scheme has realized all can carrying out the fingerprint unblock in the whole content display area of screen module, has improved the success rate of fingerprint unblock.
Description
Technical Field
The disclosure relates to the technical field of fingerprint acquisition, in particular to a mobile device, a screen module of the mobile device, a fingerprint authentication method and device and an electronic device.
Background
More and more mobile devices are provided with fingerprint sensors, and the purpose of distinguishing the identity of a user can be achieved by collecting and identifying the fingerprint of the user, so that the function switch control of the mobile devices can be realized more conveniently. In the related art, in the full-screen range of the touch screen of the mobile device, the scanning circuit scans the fingerprint data of the whole touch screen, and because the area of the touch screen is large, the scanning time is increased, and the power consumption of the scanning circuit is also high.
Disclosure of Invention
In order to overcome the problems in the related art, embodiments of the present disclosure provide a mobile device, a screen module thereof, a fingerprint authentication method, a fingerprint authentication device, and an electronic device, so as to achieve fingerprint unlocking in the entire content display area of the screen module.
According to a first aspect of the embodiments of the present disclosure, there is provided a screen module, including:
the fingerprint module comprises a plurality of fingerprint sensors, and the fingerprint sensors are positioned in a content display area of the screen module and used for executing fingerprint acquisition;
the processing component is connected with the fingerprint module and used for starting a fingerprint sensor in at least one scanning area corresponding to at least one trigger operation after at least one trigger operation of at least one finger of a user in the content display area is detected so as to acquire fingerprint data of the user in the scanning area;
a data transmission line connected to the plurality of fingerprint sensors and the processing component for transmitting fingerprint data collected by the fingerprint sensors within the at least one scanning area to the processing component;
the processing component is further used for comparing the at least one group of fingerprint data with the stored fingerprint data, and when any group of fingerprint data in the at least one group of fingerprint data is successfully compared with the stored fingerprint data, the fingerprint authentication is determined to be passed.
In an embodiment, the screen module may further include:
an LCD display module;
wherein, the vertical direction projection of a plurality of fingerprint sensor is located the vertical direction projection of the BM region of the sub-pixel of LCD display module assembly.
In an embodiment, the fingerprint sensors may be disposed on a surface of a color filter of the LCD display module, and correspond to the sub-pixels on the color filter one-to-one.
In an embodiment, the screen module may further include:
a gate control line, both ends of which are connected to the plurality of fingerprint sensors and the control part, respectively;
the gating control circuit is used for controlling the fingerprint sensor in the at least one scanning area and the data transmission circuit corresponding to the fingerprint sensor in the scanning area to be switched on or switched off according to the control instruction of the control component.
In one embodiment, the output terminal of the fingerprint sensor may be connected to a data transmission line corresponding to the switching device through a switching device, and the gate control line may be connected to a control terminal of the switching device.
In one embodiment, each row of fingerprint sensors along the first edge direction of the screen module can be connected to a data transmission line corresponding to each row of fingerprint sensors along the first edge direction;
each row of fingerprint sensors along the second edge direction of the screen module can be connected to a gating control circuit corresponding to each row of fingerprint sensors along the second edge direction; wherein the first edge direction and the second edge direction are perpendicular to each other.
In an embodiment, the screen module may further include:
the trigger detection structure is used for detecting at least one trigger operation of a finger of a user in the content display area and the at least one scanning area corresponding to the at least one trigger operation;
wherein the fingerprint sensor located in the at least one scanning area is switched from the normally-off state to an activated state when the trigger detection structure detects the at least one trigger operation.
In one embodiment, the trigger detection structure may include: and the touch functional component is used for detecting the touch operation of the touch functional component.
In one embodiment, the trigger detection structure may include: a pressure detection component, the at least one trigger operation being a pressing operation detected by the pressure detection component.
According to a second aspect of embodiments of the present disclosure, there is provided a mobile device comprising: the screen module in the technical scheme.
According to a third aspect of the embodiments of the present disclosure, a fingerprint authentication method is provided, which is applied to the screen module according to the above technical solution; the method comprises the following steps:
detecting at least one trigger operation of a finger of a user in a content display area of the screen module;
determining at least one scanning area of the fingerprint according to at least one trigger area corresponding to the at least one trigger operation;
starting a corresponding fingerprint sensor in the at least one scanning area, and performing fingerprint acquisition in the at least one scanning area;
and comparing the at least one group of fingerprint data with the stored fingerprint data, and determining that the fingerprint authentication is passed when any one group of fingerprint data in the at least one group of fingerprint data is successfully compared with the stored fingerprint data.
In an embodiment, the determining at least one scanning area of the fingerprint according to the at least one trigger area corresponding to the at least one trigger operation may include:
determining at least one trigger area corresponding to at least one trigger operation of the finger;
at least one scan area of the fingerprint is determined from the at least one trigger area.
In an embodiment, the determining at least one scanning area of the fingerprint according to the at least one trigger area may include:
determining a rectangular edge of fingerprint scanning corresponding to each trigger operation according to the at least one trigger area and a preset magnification;
at least one scan area of the fingerprint is determined by the edges of the rectangle.
In an embodiment, the detecting at least one trigger operation of the user in the content display area of the screen module may include:
and detecting at least one touch operation of the user on a content display area of the screen module through a touch functional component contained in the screen module.
In an embodiment, the detecting at least one trigger operation of the user in the content display area of the screen module may include:
detecting at least one pressing operation of the user on a content display area of the screen module through a pressure detection component contained in the screen module.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a fingerprint authentication device, where the device is applied to the screen module in the above technical solution, including:
the detection module is configured to detect at least one trigger operation of a finger of a user in a content display area of the screen module;
a first determination module configured to determine at least one scanning area of a fingerprint according to at least one trigger area corresponding to the at least one trigger operation detected by the detection module;
the acquisition control module is configured to start the corresponding fingerprint sensor in the at least one scanning area determined by the first determination module, and perform fingerprint acquisition in the at least one scanning area;
the fingerprint authentication module is configured to compare the at least one group of fingerprint data acquired by the acquisition control module with stored fingerprint data, and when any one group of fingerprint data in the at least one group of fingerprint data is successfully compared with the stored fingerprint data, it is determined that the fingerprint authentication is passed.
In an embodiment, the first determining module may include:
a first determination submodule configured to determine at least one trigger area corresponding to at least one trigger operation of the finger;
a second determination submodule configured to determine at least one scan area of a fingerprint from the at least one trigger area determined by the first determination submodule.
In an embodiment, the second determination submodule may include:
a third determining submodule configured to determine, according to the at least one trigger area, a rectangular edge of the fingerprint scan corresponding to each trigger operation;
a fourth determination sub-module configured to determine at least one scan area of a fingerprint from the rectangular edges determined by the third determination sub-module.
In one embodiment, the detection module may include:
the first detection submodule is configured to detect at least one touch operation of the user on a content display area of the screen module through a touch functional component contained in the screen module.
In one embodiment, the detection module may include:
the second detection submodule is configured to detect at least one pressing operation of the user on a content display area of the screen module through a pressure detection component contained in the screen module.
According to a fifth aspect of embodiments of the present disclosure, there is provided an electronic apparatus including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
detecting at least one trigger operation of a finger of a user in a content display area of the screen module;
determining at least one scanning area of the fingerprint according to at least one trigger area corresponding to the at least one trigger operation;
starting a corresponding fingerprint sensor in the at least one scanning area, and performing fingerprint acquisition in the at least one scanning area;
and comparing the at least one group of fingerprint data with the stored fingerprint data, and determining that the fingerprint authentication is passed when any one group of fingerprint data in the at least one group of fingerprint data is successfully compared with the stored fingerprint data.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: after detecting at least one trigger operation of a finger of a user in the content display area, the processing component starts the fingerprint sensor in at least one scanning area corresponding to the at least one trigger operation, so that local scanning in the content display area is realized, fingerprint scanning in the whole content display area is avoided, the scanning time of the fingerprint sensor is shortened, and the power consumption of the fingerprint module is greatly reduced; in addition, through gathering user's at least a set of fingerprint data in at least one scanning area, realized all can carrying out the fingerprint unblock in the whole content display area of screen module, do not need the user to change the finger, improved the success rate of fingerprint unblock greatly.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of a screen module according to an exemplary embodiment of the present disclosure.
Fig. 2 is a schematic perspective view illustrating an LCD display module of a screen module according to an exemplary embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of an LCD display module of the screen module according to an exemplary embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of a screen module according to another exemplary embodiment of the present disclosure.
Fig. 5 is a partial schematic view of a fingerprint sensor on a screen module according to another exemplary embodiment of the present disclosure.
Fig. 6 is a schematic diagram illustrating an arrangement of fingerprint sensors according to an exemplary embodiment of the present disclosure.
Fig. 7A is a flowchart illustrating a fingerprint authentication method according to an exemplary embodiment of the present disclosure.
Fig. 7B is a scene diagram illustrating a fingerprint authentication method according to an exemplary embodiment of the present disclosure.
Fig. 8 is a flowchart illustrating a fingerprint authentication method according to another exemplary embodiment of the present disclosure.
Fig. 9 is a block diagram illustrating a fingerprint authentication device according to an exemplary embodiment of the present disclosure.
Fig. 10 is a block diagram illustrating a fingerprint authentication device according to another exemplary embodiment of the present disclosure.
Fig. 11 is a schematic structural diagram of a fingerprint authentication device according to an exemplary embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Fig. 1 is a schematic structural diagram of a screen module according to an exemplary embodiment of the present disclosure; as shown in fig. 1, the screen module may include:
the fingerprint module comprises a plurality of fingerprint sensors 11, wherein the fingerprint sensors 11 are positioned in a content display area 10 of the screen module and used for performing fingerprint acquisition; in one embodiment, the fingerprint sensor 11 may be made of a transparent material so as to avoid affecting the content display of the LCD display module 15 (see fig. 2). In one embodiment, the content display Area 10 refers to an Area on the screen module for implementing a content display function, such as a View Area (VA) of the LCD display module 15 corresponding to the screen module.
The processing component 12 is connected with the fingerprint module and is used for turning on a fingerprint sensor in at least one scanning area 14 corresponding to at least one trigger operation after at least one trigger operation of at least one finger of a user in the content display area 10 is detected so as to acquire at least one group of fingerprint data of the user in the at least one scanning area;
a data transmission line 13 connected to the plurality of fingerprint sensors 11 and the processing component 12 for transmitting at least one set of fingerprint data acquired by the fingerprint sensors in at least one scanning area to the processing component 12.
The processing unit 12 is further configured to compare at least one set of fingerprint data transmitted via the data transmission line 13 with the stored fingerprint data, and determine that the fingerprint authentication is successful when any one of the at least one set of fingerprint data is successfully compared with the stored fingerprint data.
In an embodiment, the fingerprint sensors 11 in the screen module correspond to the data transmission lines 13 one by one, and each fingerprint sensor 11 can perform fingerprint collection on a user at any time and transmit collected fingerprint data back to the processing unit 12 through the data transmission line 13.
In another embodiment, in order to reduce the number of data transmission lines 13 and simplify the lines, the data transmission lines 13 may be shared by a plurality of fingerprint sensors 11, i.e. the number of data transmission lines 13 in the screen module is smaller than the number of fingerprint sensors 11. Since there are few data transmission lines 13, a plurality of fingerprint sensors 11 sharing the same data transmission line 13 need to be time-multiplexed to transmit corresponding fingerprint acquisition data, and thus it is necessary to control the time when the fingerprint sensors 11 use the data transmission lines 13.
In this embodiment, after detecting at least one trigger operation of a finger of a user in the content display area, the processing component 12 starts the fingerprint sensor 11 in at least one scanning area corresponding to the at least one trigger operation, so as to implement local scanning in the content display area 10, avoid performing fingerprint scanning in the entire content display area 10, shorten the scanning time of the fingerprint sensor 11, and greatly reduce the power consumption of the fingerprint module; in addition, processing unit 12 compares through at least a set of fingerprint data of gathering user in at least one scanning area and the fingerprint data that has saved, has realized all can carrying out the fingerprint unblock in the whole content display area of screen module, need not change the finger, has improved the success rate of fingerprint unblock greatly. In addition, because the fingerprint sensor 11 is arranged in the screen module, a stacking structure does not need to be added on the physical keys of the mobile device, and the structure of the mobile device is simplified and the complexity is reduced.
Fig. 2 is a schematic perspective view illustrating an LCD display module of a screen module according to an exemplary embodiment of the present disclosure, and as shown in fig. 2, the LCD display module 15 in the screen module may include: backlight 21, lower polarizer 22, array glass substrate 23, liquid crystal layer 24, color filter 25 and upper polarizer 26; here, red (R), green (G), blue (B), and other sub-pixels are formed on the color filter 25.
See enlarged detail in fig. 2: taking a red sub-pixel as an example, only the lower left pixel area 251 of the whole area of the sub-pixel is used for displaying corresponding red content, and the upper right (for example, may be at other positions) Black Matrix (BM) area 254 is not used for displaying content.
Therefore, the vertical projection of the fingerprint sensor 11 can be located in the vertical projection of the BM region 254 of the sub-pixel of the LCD display module 15, thereby avoiding the influence on the normal display of the content of the LCD display module 15.
FIG. 3 is a schematic structural diagram of an LCD display module of the screen module according to an exemplary embodiment of the present disclosure; as shown in fig. 3, when the vertical direction projection of the fingerprint sensor 11 is located in the vertical direction projection of the BM region 254 of the sub-pixel of the LCD display module 15, the fingerprint sensor 11 can be directly disposed on the surface of the color filter 25, and is located in the BM region 254 (see fig. 2, and not labeled in fig. 3), and the plurality of fingerprint sensors and the plurality of sub-pixels on the color filter 11 are in one-to-one correspondence, so that the assembly processes such as the bonding of the LCD display module 15 and other components are not affected because the fingerprint sensor 11 is disposed inside the LCD display module 15.
Fig. 4 is a schematic structural diagram of a screen module according to another exemplary embodiment of the present disclosure, and fig. 5 is a partial schematic diagram of a fingerprint sensor on the screen module according to another exemplary embodiment of the present disclosure; as shown in fig. 4 and 5, the screen module may include a plurality of fingerprint sensors 11, the fingerprint sensors 11 are disposed in the content display area 10 of the screen module, at least one trigger operation of a finger of a user in the content display area 10 is detected through the trigger detection structure on the screen module, and at least one scanning area corresponding to the at least one trigger operation, when the trigger operation of the finger of the user in the content display area 10 is detected, the processing component 12 may determine the scanning area 14 corresponding to the trigger operation, switch the fingerprint sensor located in the scanning area 14 from a normally-off state to an activated state, and perform a local scanning on the fingerprint in the scanning area 14.
In one embodiment, the trigger detection mechanism comprises: and the touch functional component is used for triggering at least one touch operation detected by the touch functional component. In another embodiment, the trigger detection structure comprises: and the triggering operation is at least one pressing operation detected by the pressure detection component. In this way, the trigger operation can be realized by a click operation or a slide touch operation of a finger on the content display area 10.
Compared with the technical scheme that the fingerprint sensor 11 is arranged in the back or front key of the mobile terminal in the related art, the fingerprint sensor is arranged in the content display area 10, when the content display area 10 is triggered by a finger, fingerprint acquisition is only carried out in the scanning area corresponding to the triggering operation, full-screen fingerprint scanning of the whole content display area 10 is avoided, and the power consumption of a fingerprint module is greatly saved; in addition, because the fingerprint sensor 11 is located in the content display area 10 of the screen module, the functional areas of "fingerprint collection" and "content display" are overlapped equivalently, and the functional area on the mobile device does not need to be occupied additionally, which is beneficial to shortening the length specification and the thickness specification of the mobile device, and further realizes the lightness and thinness of the mobile device.
FIG. 6 is a schematic diagram illustrating an arrangement of fingerprint sensors according to an exemplary embodiment of the present disclosure; as shown in fig. 6, the fingerprint sensors 11 on the screen module are arranged in the edge direction of the screen module in sequence, for example, the fingerprint sensors 611, 612, 613 are arranged in the first row along the first edge direction (i.e. the transverse edge direction), the fingerprint sensors 621, 622, 623 are arranged in the second row along the transverse edge, the fingerprint sensors 631, 632, 633 are arranged in the third row along the transverse edge, and the fingerprint sensor 611, the fingerprint sensor 621, the fingerprint sensor 631 are arranged in a first column along a second edge direction (i.e. a longitudinal edge direction), the fingerprint sensor 612, the fingerprint sensor 622, the fingerprint sensor 632 are arranged in a second column along a longitudinal edge, the fingerprint sensor 613, the fingerprint sensor 623, the fingerprint sensor 633 are arranged in a third column along a longitudinal edge.
As shown in fig. 6, the screen module may further include: the gate control lines 6, wherein the gate control lines 6 in the present embodiment are exemplified by 3 gate control lines including the gate control lines 61, 62 and 63, one end of the gate control lines 16 is connected to 9 fingerprint sensors such as the fingerprint sensors 611, 612 and 633, respectively, and the other end of the gate control lines 6 is connected to the control unit 17.
If the fingerprint sensor 11 and 3 data transmission lines such as the data transmission line 131, the data transmission line 132, and the data transmission line 123, for example, the fingerprint sensor 611, the fingerprint sensor 621, and the fingerprint sensor 631 are all connected to the data transmission line 131, the gate control lines 161, 162, and 163 may control the fingerprint sensor 611, the fingerprint sensor 621, and the fingerprint sensor 631 to be turned on or off with the data transmission line 131 according to a control instruction of the control part 17, so that the data transmission line 131 is turned on with only any one of the fingerprint sensor 611, the fingerprint sensor 621, and the fingerprint sensor 631 at the same time.
As shown in fig. 6, the output terminals of the plurality of fingerprint sensors 11 may be connected to the data transmission lines corresponding to the switching devices through the switching devices, respectively, the gate control line may be connected to the control terminals of the switching devices, for example, the switching device 18 is connected to the data transmission line 131, and the gate control line 61 may be connected to the control terminal (upper end in fig. 6) of the switching device 18, to implement switching control of the switching device 18.
In one embodiment, as shown in fig. 6, each row of fingerprint sensors along the first edge direction of the screen module is connected to the data transmission line corresponding to each row of fingerprint sensors along the second edge direction; each row of fingerprint sensors along the second edge direction of the screen module are connected to the gating control circuit corresponding to each row of fingerprint sensors along the second edge direction; the first edge direction and the second edge direction are perpendicular to each other, and in fig. 6, the first edge direction is a longitudinal direction and the second edge direction is a transverse direction. For example, the control section 17 may control the gate control line 61, the gate control line 62, and the gate control line 63 to be sequentially turned on, and when the gate control line 61 is turned on and the gate control lines 62 and 63 are controlled to be turned off, the fingerprint sensor 611, the fingerprint sensor 612, and the fingerprint sensor 613 perform data transmission through the data transmission line 131, the data transmission line 132, and the data transmission line 133, respectively; when the gate control line 62 is turned on and the gate control lines 61 and 63 are controlled to be turned off, the fingerprint sensor 621, the fingerprint sensor 622 and the fingerprint sensor 623 perform data transmission through the data transmission line 131, the data transmission line 132 and the data transmission line 133, respectively; when the gate control line 63 is turned on and the gate control line 61 and the fingerprint sensor 62 are controlled to be turned off, the fingerprint sensor 631, the fingerprint sensor 632, and the fingerprint sensor 633 perform data transmission through the data transmission line 131, the data transmission line 132, and the data transmission line 133, respectively.
Of course, fig. 6 is only an exemplary embodiment, and a plurality of fingerprint sensors may be arranged in any manner, and the data transmission line and the gate control line also need to be adjusted accordingly, which is not limited by the present disclosure.
It should be noted that the processing Unit 12 or the control Unit 17 in the present disclosure may be a single processing chip, for example, a Micro Controller Unit (MCU) chip, or may be a module composed of a plurality of units for executing processing or control functions, or may even be a single chip or module having the functions of both the processing Unit 12 and the control Unit 17, and the present disclosure is not limited thereto.
Based on the screen module of the above embodiment, the present disclosure also provides a corresponding fingerprint authentication method, which is described in detail below.
Fig. 7A is a flowchart illustrating a fingerprint authentication method according to an exemplary embodiment of the present disclosure, and fig. 7B is a scene diagram illustrating a fingerprint authentication method according to an exemplary embodiment of the present disclosure, which is applied to the screen module according to any one of the above embodiments; as shown in fig. 7A, the method may include:
in step 701, at least one trigger operation of a finger of a user in a content display area of a screen module is detected.
In an embodiment, the trigger detection structure may be disposed in the screen module to detect at least one trigger operation of a user on the screen module, and determine the corresponding at least one trigger area. As an exemplary embodiment, when the screen module includes a touch function component, the touch function component may be used as a trigger detection structure to detect at least one touch operation of a user on the screen module; for example, the touch functional component may be composed of a touch screen and a corresponding transmission line, a control chip, and the like. As another exemplary embodiment, when the screen module includes a pressure detection component, the pressure detection component may be used as a trigger detection structure to detect at least one pressing operation of the screen module by the user; for example, the pressure detection component may be composed of a pressure sensor and a corresponding transmission line, a control chip, and the like. Of course, the touch function module and the pressure detection module are used for illustration, and the trigger detection structure may be implemented by other structures, which is not limited by the disclosure.
In step 702, at least one scanning area of the fingerprint is determined according to at least one trigger area corresponding to at least one trigger operation.
In an embodiment, at least one scanning area corresponding to a fingerprint sensor corresponding to the fingerprint module can be determined to be started according to the size of a finger, so that local scanning of the fingerprint sensor is achieved, and power consumption of the fingerprint module is reduced.
In step 703, a corresponding fingerprint sensor in at least one scanning area is activated, and fingerprint acquisition is performed in the at least one scanning area.
As shown in fig. 4 and 5, a large number of fingerprint sensors are arranged in the content display area 10 to form a rectangular array with a large area, at least one trigger operation of a user is detected by the trigger detection structure, and the fingerprint sensors in the scanning area 14 in the rectangular array can be switched to a start state only during the existence of the at least one trigger operation, and return to a normally-off state after the trigger operation disappears, so that the power consumption of the fingerprint module can be reduced to the maximum extent under the condition of ensuring that fingerprint collection is realized in the scanning area.
In step 704, the at least one set of fingerprint data is compared with the stored fingerprint data, and when any one of the at least one set of fingerprint data is successfully compared with the stored fingerprint data, it is determined that the fingerprint authentication is passed.
As an exemplary scenario, as shown in fig. 7B, when the user holds the electronic device in the right hand, the screen module may detect 5 trigger operations of five fingers of the user in the content display area 10 of the screen module, and determine a scan area 72, a scan area 73, a scan area 74, a scan area 75, and a scan area 76 of the fingerprint according to at least one trigger area corresponding to the 5 trigger operations. The corresponding fingerprint sensors in the scanning area 72, the scanning area 73, the scanning area 74, the scanning area 75 and the scanning area 76 are started, and fingerprint collection is performed in the scanning area 72, the scanning area 73, the scanning area 74, the scanning area 75 and the scanning area 76, so that 5 sets of fingerprint data of the user can be collected. Compare 5 fingerprint data of group and the fingerprint data that has stored, compare successfully with the fingerprint data that has stored when arbitrary a set of fingerprint data in 5 fingerprint data of group, confirm that the fingerprint authentication passes through, for example, if electronic equipment has gathered fingerprint data on user's the forefinger in advance as the fingerprint data of comparison and storage, when detecting 5 fingerprint data of group that 5 user's fingers correspond, can compare this 5 fingerprint data of group respectively with the fingerprint data of forefinger, realized all can carry out the fingerprint unblock in the whole content display area of screen module, need not change the finger.
In the embodiment, after at least one trigger operation of a finger of a user in the content display area is detected, the fingerprint sensor in at least one scanning area corresponding to the at least one trigger operation is started, so that local scanning in the content display area is realized, fingerprint scanning in the whole content display area is avoided, the scanning time of the fingerprint sensor is shortened, and the power consumption of the fingerprint module is greatly reduced; in addition, through gathering user's at least a set of fingerprint data and the fingerprint data who has stored in at least one scanning area and comparing, realized all can carrying out the fingerprint unblock in the whole content display area of screen module, need not change the finger, improved the success rate of fingerprint unblock greatly. In addition, because the fingerprint sensor sets up in the screen module, need not to increase stacked structure on mobile device's physics button, help simplifying mobile device's structure, reduce complicacy.
FIG. 8 is a flowchart illustrating a method of fingerprint authentication according to another exemplary embodiment of the present disclosure; the present embodiment is exemplarily explained on the premise that the system of the mobile device has already started the fingerprint identification module, as shown in fig. 8, the method includes the following steps:
in step 801, at least one trigger operation of a finger of a user in a content display area of the screen module is detected.
The description of step 801 may refer to the above description of step 701, and will not be described in detail here.
In step 802, at least one trigger area corresponding to at least one trigger operation of the finger is determined.
In an embodiment, the at least one trigger area may be a contact area of the at least one finger with the content display area.
In step 803, at least one scan area of the fingerprint is determined from the at least one trigger area.
In an embodiment, the preset magnification factor may be obtained by counting the contact areas of a large number of fingers of the user, the preset magnification factor may be used to enlarge the at least one contact area to at least one circular area capable of covering the contact area, and a tangent of the circular area along the first edge direction and the second edge direction is determined to obtain a scanning area 14 surrounded by a rectangular edge.
In step 804, the corresponding fingerprint sensors in the at least one scanning area are activated, and fingerprint acquisition is performed in the at least one scanning area.
In step 805, the at least one set of fingerprint data is compared with the stored fingerprint data, and when any one of the at least one set of fingerprint data is successfully compared with the stored fingerprint data, it is determined that the fingerprint authentication is passed.
On the basis of the beneficial technical effects of the above embodiment, the embodiment determines the scanning area of the fingerprint through the trigger area and the preset magnification, so that the fingerprint sensors corresponding to the area where the finger is located can be completely started, and the fingerprint identification precision is ensured.
Corresponding to the embodiment of the fingerprint authentication method, the disclosure also provides an embodiment of a fingerprint authentication device.
FIG. 9 is a block diagram illustrating a fingerprint authentication device according to an exemplary embodiment of the present disclosure; as shown in fig. 9, the device is applied to the screen module as described in any of the above embodiments; the device comprises: a detection module 91, a first determination module 92, an acquisition control module 93, and a fingerprint authentication module 94.
A detection module 91 configured to detect at least one trigger operation of a finger of a user within a content display area of the screen module;
a first determining module 92 configured to determine at least one scanning area of the fingerprint according to at least one trigger area corresponding to at least one trigger operation detected by the detecting module 91;
an acquisition control module 93 configured to activate the corresponding fingerprint sensor in the at least one scanning area determined by the first determination module 92 to perform fingerprint acquisition in the at least one scanning area;
and a fingerprint authentication module 94 configured to compare at least one set of fingerprint data acquired by the acquisition control module 93 with the stored fingerprint data, and determine that the fingerprint authentication is successful when any one of the at least one set of fingerprint data is successfully compared with the stored fingerprint data.
FIG. 10 is a block diagram illustrating a fingerprint authentication device according to another exemplary embodiment of the present disclosure; as shown in fig. 10, based on the embodiment shown in fig. 9, in an embodiment, the first determining module 92 may include:
a first determining sub-module 921 configured to determine at least one trigger area corresponding to at least one trigger operation of the finger;
a second determining sub-module 922 configured to determine at least one scan area of the fingerprint according to the at least one trigger area determined by the first determining sub-module 921 and the preset magnification.
In an embodiment, the second determination submodule 922 may include:
a third determining sub-module 9221 configured to determine, according to the at least one trigger area, a rectangular edge of the fingerprint scan corresponding to each trigger operation;
a fourth determination sub-module 9222 configured to determine at least one scan area of the fingerprint by the edges of the rectangle determined by the third determination sub-module 9221.
In one embodiment, the detection module 91 may include:
the first detection sub-module 911 is configured to detect at least one touch operation of a user on a content display area of the screen module through a touch function component included in the screen module.
In one embodiment, the detection module 91 may include:
a second detecting sub-module 912 configured to detect at least one pressing operation of the content display area of the screen module by the user through a pressure detecting component included in the screen module.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Fig. 11 is a schematic structural diagram of a fingerprint authentication device according to an exemplary embodiment of the present disclosure. For example, the apparatus 1100 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 11, apparatus 1100 may include one or more of the following components: processing component 1102, memory 1104, power component 1106, multimedia component 1108, audio component 1110, input/output (I/O) interface 1112, sensor component 1114, and communications component 1116.
The processing component 1102 generally controls the overall operation of the device 1100, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing element 1102 may include one or more processors 1120 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 1102 may include one or more modules that facilitate interaction between the processing component 1102 and other components. For example, the processing component 1102 may include a multimedia module to facilitate interaction between the multimedia component 1108 and the processing component 1102.
The memory 1104 is configured to store various types of data to support operation at the device 1100. Examples of such data include instructions for any application or method operating on device 1100, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 1104 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The multimedia component 1108 includes a screen that provides an output interface between the device 1100 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 1108 includes a front facing camera and/or a rear facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 1100 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 1110 is configured to output and/or input audio signals. For example, the audio component 1110 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 1100 is in operating modes, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 1104 or transmitted via the communication component 1116. In some embodiments, the audio assembly 1110 further includes a speaker for outputting audio signals.
The I/O interface 1112 provides an interface between the processing component 1102 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 1114 includes one or more sensors for providing various aspects of state assessment for the apparatus 1100. For example, the sensor assembly 1114 may detect an open/closed state of the device 1100, the relative positioning of components, such as a display and keypad of the apparatus 1100, the sensor assembly 1114 may also detect a change in position of the apparatus 1100 or a component of the apparatus 1100, the presence or absence of user contact with the apparatus 1100, an orientation or acceleration/deceleration of the apparatus 1100, and a change in temperature of the apparatus 1100. The sensor assembly 1114 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 1114 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1114 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 1116 is configured to facilitate wired or wireless communication between the apparatus 1100 and other devices. The apparatus 1100 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 1116 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communications component 1116 also includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 1100 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 1104 comprising instructions, executable by the processor 1120 of the apparatus 1100 to perform the method described above is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. The utility model provides a screen module which characterized in that, screen module includes:
the fingerprint module comprises a plurality of fingerprint sensors, and the fingerprint sensors are positioned in a content display area of the screen module and used for executing fingerprint acquisition;
the processing component is connected with the fingerprint module and used for determining a trigger area corresponding to each trigger operation after at least one trigger operation of at least one finger of a user on the content display area is detected, determining at least one scanning area of a fingerprint according to the at least one trigger area, starting a corresponding fingerprint sensor in the at least one scanning area, and acquiring at least one set of fingerprint data of the user in the at least one scanning area; the determining of the at least one scan area of the fingerprint from the at least one trigger area comprises: amplifying the at least one trigger area by a preset amplification factor, wherein the preset amplification factor is obtained by counting the contact area of the fingers of the user, so as to amplify the at least one trigger area to at least one circular area capable of covering the trigger area, and determining the tangent line of the circular area along the first edge direction and the second edge direction to obtain a scanning area surrounded by a rectangular edge;
a data transmission line connected to the plurality of fingerprint sensors and the processing component for transmitting at least one set of fingerprint data collected by the fingerprint sensors within the at least one scanning area to the processing component;
the processing component is further used for comparing the at least one group of fingerprint data with the stored fingerprint data, and when any one group of fingerprint data in the at least one group of fingerprint data is successfully compared with the stored fingerprint data, determining that the fingerprint authentication is passed;
the screen module further comprises:
the trigger detection structure is used for detecting at least one trigger operation of a finger of a user in the content display area and the at least one scanning area corresponding to the at least one trigger operation;
when the trigger detection structure detects the at least one trigger operation, the fingerprint sensor located in the at least one scanning area is switched from a normally-off state to a starting state;
the trigger detection structure includes: a pressure detection component, the at least one trigger operation being a pressing operation detected by the pressure detection component.
2. The screen module of claim 1, wherein the screen module further comprises:
an LCD display module;
wherein, the vertical direction projection of a plurality of fingerprint sensor is located the vertical direction projection of the BM region of the sub-pixel of LCD display module assembly.
3. The screen module as recited in claim 2, wherein the plurality of fingerprint sensors are disposed on a surface of a color filter of the LCD display module, and correspond to the plurality of sub-pixels on the color filter one-to-one.
4. The screen module of claim 1, wherein the screen module further comprises:
a gate control line, both ends of which are connected to the plurality of fingerprint sensors and the control part, respectively;
the gating control circuit is used for controlling the fingerprint sensor in the at least one scanning area and the data transmission circuit corresponding to the fingerprint sensor in the scanning area to be switched on or switched off according to the control instruction of the control component.
5. The screen module as recited in claim 4, wherein the output terminal of the fingerprint sensor is connected to a data transmission line corresponding to the switching device through a switching device, and the gating control line is connected to a control terminal of the switching device.
6. A screen module according to claim 4,
each row of fingerprint sensors along the first edge direction of the screen module are connected to a data transmission line corresponding to each row of fingerprint sensors along the first edge direction;
each row of fingerprint sensors along the second edge direction of the screen module are connected to gating control lines corresponding to each row of fingerprint sensors along the second edge direction; wherein the first edge direction and the second edge direction are perpendicular to each other.
7. A mobile device, comprising: the screen module of any of claims 1-6.
8. A fingerprint authentication method, wherein the method is applied to the screen module set of any one of claims 1 to 6; the method comprises the following steps:
detecting at least one trigger operation of a finger of a user in a content display area of the screen module;
determining at least one scanning area of the fingerprint according to at least one trigger area corresponding to the at least one trigger operation; the determining at least one scanning area of the fingerprint according to the at least one trigger area corresponding to the at least one trigger operation includes: amplifying the at least one trigger area by a preset amplification factor, wherein the preset amplification factor is obtained by counting the contact area of the fingers of the user, so as to amplify the at least one trigger area to at least one circular area capable of covering the trigger area, and determining the tangent line of the circular area along the first edge direction and the second edge direction to obtain a scanning area surrounded by a rectangular edge;
starting a corresponding fingerprint sensor in the at least one scanning area, and performing fingerprint acquisition in the at least one scanning area;
comparing the at least one group of fingerprint data with the stored fingerprint data, and determining that the fingerprint authentication is passed when any one group of fingerprint data in the at least one group of fingerprint data is successfully compared with the stored fingerprint data;
the detecting at least one trigger operation of the user in the content display area of the screen module comprises:
detecting at least one pressing operation of the user on a content display area of the screen module through a pressure detection component contained in the screen module;
the determining at least one scanning area of the fingerprint according to the at least one trigger area corresponding to the at least one trigger operation includes:
determining at least one trigger area corresponding to at least one trigger operation of the finger;
determining at least one scanning area of the fingerprint according to the at least one trigger area;
the determining at least one scanning area of the fingerprint according to the at least one trigger area comprises:
determining a rectangular edge of fingerprint scanning corresponding to each trigger operation according to the at least one trigger area and a preset magnification;
at least one scan area of the fingerprint is determined by the edges of the rectangle.
9. A fingerprint authentication device, wherein the device is applied to the screen module set of any one of the claims 1-6; the device comprises:
the detection module is configured to detect at least one trigger operation of a finger of a user in a content display area of the screen module;
a first determination module configured to determine at least one scanning area of a fingerprint according to at least one trigger area corresponding to the at least one trigger operation detected by the detection module; the first determining module is specifically configured to amplify the at least one trigger region by a preset amplification factor, where the preset amplification factor is obtained by counting a contact area of a finger of a user, so as to amplify the at least one trigger region into at least one circular region capable of covering the trigger region, and determine a tangent of the circular region along a first edge direction and a second edge direction, so as to obtain a scanning region surrounded by a rectangular edge;
the acquisition control module is configured to start the corresponding fingerprint sensor in the at least one scanning area determined by the first determination module, and perform fingerprint acquisition in the at least one scanning area;
the fingerprint authentication module is configured to compare the at least one group of fingerprint data acquired by the acquisition control module with stored fingerprint data, and when any one group of fingerprint data in the at least one group of fingerprint data is successfully compared with the stored fingerprint data, the fingerprint authentication is determined to be passed;
the detection module comprises:
the second detection submodule is configured to detect at least one pressing operation of the user on a content display area of the screen module through a pressure detection component contained in the screen module;
the first determining module includes:
a first determination submodule configured to determine at least one trigger area corresponding to at least one trigger operation of the finger;
a second determination submodule configured to determine at least one scan area of a fingerprint from the at least one trigger area determined by the first determination submodule;
the second determination submodule includes:
a third determining submodule configured to determine, according to the at least one trigger area, a rectangular edge of the fingerprint scan corresponding to each trigger operation;
a fourth determination sub-module configured to determine at least one scan area of a fingerprint from the rectangular edges determined by the third determination sub-module.
10. An electronic device, characterized in that the electronic device comprises:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
detecting at least one trigger operation of a finger of a user in a content display area of the screen module;
determining at least one scanning area of the fingerprint according to at least one trigger area corresponding to the at least one trigger operation; the determining at least one scanning area of the fingerprint according to the at least one trigger area corresponding to the at least one trigger operation includes: amplifying the at least one trigger area by a preset amplification factor, wherein the preset amplification factor is obtained by counting the contact area of the fingers of the user, so as to amplify the at least one trigger area to at least one circular area capable of covering the trigger area, and determining the tangent line of the circular area along the first edge direction and the second edge direction to obtain a scanning area surrounded by a rectangular edge;
starting a corresponding fingerprint sensor in the at least one scanning area, and acquiring at least one group of fingerprint data of the user in the at least one scanning area;
comparing the at least one group of fingerprint data with the stored fingerprint data, and determining that the fingerprint authentication is passed when any one group of fingerprint data in the at least one group of fingerprint data is successfully compared with the stored fingerprint data;
the detecting at least one trigger operation of the user in the content display area of the screen module comprises:
detecting at least one pressing operation of the user on a content display area of the screen module through a pressure detection component contained in the screen module;
the determining at least one scanning area of the fingerprint according to the at least one trigger area corresponding to the at least one trigger operation includes:
determining at least one trigger area corresponding to at least one trigger operation of the finger;
determining at least one scanning area of the fingerprint according to the at least one trigger area;
the determining at least one scanning area of the fingerprint according to the at least one trigger area comprises:
determining a rectangular edge of fingerprint scanning corresponding to each trigger operation according to the at least one trigger area and a preset magnification;
at least one scan area of the fingerprint is determined by the edges of the rectangle.
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CN107358082A (en) * | 2017-06-29 | 2017-11-17 | 上海与德科技有限公司 | The unlocking method and terminal of a kind of terminal |
CN107341383A (en) * | 2017-07-13 | 2017-11-10 | 广东欧珀移动通信有限公司 | Slide unlocking method, device, storage medium, touching display screen and terminal |
CN107450712B (en) | 2017-08-02 | 2019-06-18 | 西安易朴通讯技术有限公司 | Mobile terminal and its radio-frequency fingerprint identification device and method |
CN107578013A (en) * | 2017-09-05 | 2018-01-12 | 广东欧珀移动通信有限公司 | Ciphering multimedia message player method, device, terminal and storage medium |
CN111259688A (en) * | 2018-11-30 | 2020-06-09 | 北京小米移动软件有限公司 | Black screen fingerprint unlocking device and method applied to liquid crystal display screen and electronic equipment |
CN112580398A (en) * | 2019-09-29 | 2021-03-30 | 北京小米移动软件有限公司 | Fingerprint acquisition method and device |
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