CN107256383B - Fingerprint acquisition method and device, related terminal equipment and readable storage medium - Google Patents
Fingerprint acquisition method and device, related terminal equipment and readable storage medium Download PDFInfo
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- CN107256383B CN107256383B CN201710366588.6A CN201710366588A CN107256383B CN 107256383 B CN107256383 B CN 107256383B CN 201710366588 A CN201710366588 A CN 201710366588A CN 107256383 B CN107256383 B CN 107256383B
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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
- G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
- G06Q20/4014—Identity check for transactions
- G06Q20/40145—Biometric identity checks
Abstract
The embodiment of the invention discloses a fingerprint acquisition method and a related product, wherein the method comprises the following steps: when the touch display screen is pasted with the adhesive film, controlling the light-emitting unit of the preset area to emit light with first brightness, wherein the light with the first brightness is used for irradiating fingerprints of a user, the first brightness is greater than second brightness, and the second brightness is the brightness corresponding to the preset area when the adhesive film is not pasted on the touch display screen; and collecting the fingerprint of the user irradiated by the light with the first brightness. The embodiment of the invention can improve the quality of the acquired fingerprint.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a fingerprint acquisition method and a related product.
Background
Nowadays, the fingerprint function becomes the standard configuration of the smart phone, and even the mobile phone without the fingerprint function cannot keep up with the times. A fingerprint Sensor (also called fingerprint Sensor) is a key device for realizing automatic fingerprint acquisition. Fingerprint sensors are classified into optical fingerprint sensors, semiconductor capacitance sensors, ultrasonic sensors, and the like according to the sensing principle.
The optical fingerprint sensor utilizes the refraction and reflection principle of light, and the refraction angle of light emitted by a light source on uneven lines of fingerprints on the surface of a finger and the brightness of reflected light rays are different. The optical device of CMOS or CCD will collect the picture information of different light and shade degrees, and then complete the collection of the fingerprint.
At present, most of smart phones are large-screen mobile phones, in order to protect the screen of the smart phone from being broken easily, a layer of protective film is usually pasted on the upper portion of the screen of the smart phone, and the quality of collected fingerprints is affected to some extent. Therefore, how to improve the quality of the acquired fingerprints is a technical problem to be solved.
Disclosure of Invention
The embodiment of the invention provides a fingerprint acquisition method and a related product, which are used for improving the quality of acquired fingerprints.
In a first aspect, an embodiment of the present invention provides a terminal device, including an application processor AP, an optical fingerprint sensor, and a touch display screen, where the touch display screen includes a preset area, and the optical fingerprint sensor is disposed below the preset area, and includes:
the AP is used for controlling the light-emitting unit of the preset area to emit light with first brightness when the adhesive film is adhered to the touch display screen, wherein the light with the first brightness is used for irradiating fingerprints of a user, the first brightness is greater than second brightness, and the second brightness is the brightness corresponding to the preset area when the adhesive film is not adhered to the touch display screen;
the optical fingerprint sensor is used for collecting the fingerprint of the user irradiated by the light with the first brightness.
In a second aspect, an embodiment of the present invention provides a fingerprint acquisition method, including:
be applied to terminal equipment, including application processor AP, optics fingerprint sensor and touch-control display screen, the touch-control display screen is including predetermineeing the region, optics fingerprint sensor arranges in predetermine regional below, include:
when the touch display screen is pasted with the adhesive film, controlling the light-emitting unit of the preset area to emit light with first brightness, wherein the light with the first brightness is used for irradiating fingerprints of a user, the first brightness is greater than second brightness, and the second brightness is the brightness corresponding to the preset area when the adhesive film is not pasted on the touch display screen;
and collecting the fingerprint of the user irradiated by the light with the first brightness.
In a third aspect, an embodiment of the present invention provides an apparatus for collecting a fingerprint, including: terminal equipment of application treater AP, optics fingerprint sensor and touch-control display screen, its characterized in that, the touch-control display screen is including predetermineeing the region, optics fingerprint sensor arranges in predetermine the below in region, the collection system of fingerprint includes the processing unit, wherein:
the processing unit is used for controlling the light emitting unit in the preset area to emit light with first brightness when the touch display screen is pasted with the adhesive film, the light with the first brightness is used for irradiating fingerprints of a user, the first brightness is larger than second brightness, and the second brightness is the brightness corresponding to the preset area when the adhesive film is not pasted on the touch display screen; and collecting the fingerprint of the user irradiated by the light with the first brightness.
In a fourth aspect, an embodiment of the present invention provides a terminal device, including an application processor AP, an optical fingerprint sensor, a touch display screen, and a memory; the touch display screen comprises a preset area, and the optical fingerprint sensor is arranged below the preset area;
the one or more programs stored in the memory and configured to be executed by the AP,
the program comprises instructions for performing the steps in the method according to the second aspect.
In a fifth aspect, the present invention 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 second aspect of the present invention.
In a sixth aspect, embodiments of the present invention provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform a method as described in the second aspect of embodiments of the present invention.
For the condition that does not have the pad pasting on the touch-control display screen, the luminousness that has the pad pasting on the touch-control display screen is lower, can lead to the quality of the fingerprint that optical fingerprint sensor gathered to descend like this, in order to avoid above-mentioned problem, this scheme pastes when having the pad pasting on the touch-control display screen, is used for gathering the luminance of the light of fingerprint through improving, and then improves the quality of the fingerprint of gathering.
These and other aspects of the invention are apparent from and will be elucidated with reference to the embodiments described hereinafter.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the background art of the present invention, the drawings required to be used in the embodiments or the background art of the present invention will be described below.
Fig. 1 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of an interface provided in an embodiment of the present invention;
FIG. 3 is a schematic view of another interface provided in an embodiment of the present invention;
FIG. 4 is a flowchart illustrating a fingerprint collection method according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another terminal device provided in the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of another fingerprint acquisition device provided in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another terminal device according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
The following are detailed below.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of the invention 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 invention. 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.
A terminal device, also called a User Equipment (UE), is a device providing voice and/or data connectivity to a User, for example, a handheld device with a wireless connection function, a vehicle-mounted device, and so on. Common terminals include, for example: the mobile phone includes a mobile phone, a tablet computer, a notebook computer, a palm computer, a Mobile Internet Device (MID), and a wearable device such as a smart watch, a smart bracelet, a pedometer, and the like.
The embodiments of the present invention will be described below with reference to the drawings.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a terminal device 100 according to an embodiment of the present invention, where the terminal device 100 includes an application processor AP110, an optical fingerprint sensor 130, and a touch display screen 120, the touch display screen 120 includes a preset area, the optical fingerprint sensor 130 is disposed below the preset area,
the AP110 is configured to control the light emitting unit in the preset area to emit light with a first brightness when the touch display screen 120 is pasted with a film, where the light with the first brightness is used to irradiate a fingerprint of a user, the first brightness is greater than a second brightness, and the second brightness is a brightness corresponding to the preset area when the touch display screen is not pasted with the film;
the optical fingerprint sensor 130 is configured to collect a fingerprint of a user irradiated with the light of the first brightness.
In an example, the touch display screen 120 is one of an LCD display screen, an OLED display screen, and an LED display screen.
In an example, the setting interface of the terminal device includes display setting, the display setting includes pad pasting setting, the AP110 is further configured to read content of the pad pasting setting, when the content of the pad pasting setting is yes, it is determined that a pad pasting is pasted on the touch display screen, and when the content of the pad pasting setting is no, it is determined that a pad pasting is not pasted on the touch display screen.
Further, the AP110 is specifically configured to: and reading the content of a control button in the film pasting device.
Specifically, as shown in fig. 2, fig. 2 is a schematic interface diagram provided in an embodiment of the present invention. The user may set in advance whether the touch display screen 120 of the terminal device 100 has a film on the touch display screen 120 by setting a film setting in a display interface in the interface, for example, the user may set whether the touch display screen 120 has a film on the touch display screen by using a control button in the film setting. The subsequent AP110 may directly read the content of the control button disposed on the touch screen to determine whether the touch screen 120 is pasted with the touch screen.
In an example, the AP110 determines whether a film is attached to the touch display screen 120 when the fingerprint acquisition instruction is detected. The fingerprint collection instruction is sent by the touch display screen 120 to the AP110 when the touch display screen 120 detects a touch operation of a user on the touch display screen 120; alternatively, the fingerprint collection instruction is sent by the fingerprint payment application to the AP110 when the fingerprint payment application detects a certain fingerprint payment, and the like, and the present invention is not limited thereto.
In an example, the size of the preset area is not limited to the maximum size of the entire touch display screen, the minimum size of the preset area is the size of a fingerprint that enables a user to enter a sufficient area, and the like.
In an example, the preset area may be disposed at a lower left corner of the touch display screen, a lower right corner of the touch display screen, an upper right corner of the touch display screen, and the like, which is not limited in the present invention.
In an example, the shape of the predetermined area may be circular, square, oval, diamond, etc., and the present invention is not limited thereto.
In an example, the number of the preset areas may be 1 or more, and the present invention is not limited thereto.
In an example, the first brightness and the second brightness are preset, the first brightness indicates that the brightness of the light for collecting the fingerprint is the first brightness as long as the adhesive film is adhered on the touch display screen 120, and the second brightness indicates that the brightness of the light for collecting the fingerprint is the second brightness as long as the adhesive film is not adhered on the touch display screen 120.
Or, in an example, the second brightness is preset, and the first brightness is intelligently learned by the terminal device 100, but the first brightness is larger than the second brightness. For example, the brightness used for collecting the fingerprint for the first time is a, the quality of the collected fingerprint is a, if a does not satisfy the preset threshold, the brightness used for collecting the fingerprint for the second time is B, B is greater than a, the quality of the collected fingerprint is B, if B does not satisfy the preset threshold, the brightness used for collecting the fingerprint for the third time is C, C is greater than B, and so on until a suitable brightness is found.
For example, if the system is customized as long as the touch display screen 120 has a film, the corresponding first brightness is R, and if the system is customized as long as the touch display screen 120 has no film, the corresponding second brightness is T, R > T, and subsequently, if the AP110 detects that the film is adhered to the touch display screen 120, the light emitting units in the preset area are controlled to emit light with brightness of R, so that the optical fingerprint sensor 130 collects the fingerprint of the user by using the light with brightness of R.
For the condition that does not have the pad pasting on the touch-control display screen, the luminousness that has the pad pasting on the touch-control display screen is lower, can lead to the quality of the fingerprint that optical fingerprint sensor gathered to descend like this, in order to avoid above-mentioned problem, this scheme pastes when having the pad pasting on the touch-control display screen, is used for gathering the luminance of the light of fingerprint through improving, and then improves the quality of the fingerprint of gathering.
In an example, the second brightness is a display brightness currently set by the terminal device.
For example, as shown in fig. 2, the display brightness currently set by the terminal device 100 is the display brightness of the touch display screen 120 set by the user through the brightness setting item included in the setting interface when displaying the content.
In one example, the first brightness is determined by at least one of the following 2 parameters: 1) the current ambient brightness; 2) the current application.
Wherein, the current application can be fingerprint unlocking, fingerprint payment, fingerprint entry and the like.
Further, the first brightness is determined by current ambient brightness, each ambient brightness range corresponds to a brightness, and when any ambient brightness included in the ambient brightness range k is greater than any ambient brightness included in the ambient brightness range w, and the brightness corresponding to the ambient brightness range w is greater than the brightness corresponding to the application k, the brightness corresponding to the ambient brightness range k is less than the brightness corresponding to the ambient brightness range w. For example, the current ambient brightness 1 at the first time falls within the ambient brightness range k, the current ambient brightness 2 at the second time falls within the ambient brightness range w, the preset area at the first time emits light with brightness 1, and the preset area at the second time emits light with brightness 2, where the brightness 1 is less than the brightness 2.
Further, the first brightness is determined by the current application, each application corresponds to one security level, each security level corresponds to one first brightness, and when the security level corresponding to the application i is greater than the security level corresponding to the application j, the first brightness corresponding to the application i is greater than the first brightness corresponding to the application j. For example, the security level 1 corresponding to the current application 1 at the first time, the security level 2 corresponding to the current application 2 at the second time, the preset area at the first time emits light with a brightness of 1, the preset area at the second time emits light with a brightness of 2, and if the security level 2 is greater than the security level 1, the brightness of 1 is less than the brightness of 2.
Further, the corresponding security level of the application is user-defined; or, the security level corresponding to the application is self-defined by the AP 110; or, the security level corresponding to the application is determined by the AP110 according to the application attribute (for example, the current application is fingerprint unlocking, the application attribute is unlocking, and the security required for unlocking is not so high, and may be set to the security level 1. for example, the current application is fingerprint entry, and the application attribute is entry, and since the definition of the fingerprint entered by the fingerprint affects the success rate of the subsequent fingerprint verification, the required security is relatively high, and may be set to the security level 2. for example, the current application is fingerprint payment, and the application attribute is payment, and the payment has high payment and low payment, and since the transaction involving money, the required security is higher, and the high payment may be set to the security level 4, and the low payment may be set to the security level 3, and the security level 1 < the security level 2 < the security level 3), and so on.
Further, the brightness of the first area corresponding to the safety level is user-defined; alternatively, the brightness of the first region corresponding to the security level is customized by the AP 110.
Further, the first brightness is determined by the current ambient brightness and the current application, each ambient brightness range corresponds to a brightness, each application corresponds to a security level, and each security level corresponds to a first brightness; when the brightness corresponding to the current environment brightness and the brightness corresponding to the current application are both brightness Z, the first brightness is the brightness Z; and when the brightness corresponding to the current environment brightness is brightness K, the brightness corresponding to the current application is brightness H, and the brightness K is not equal to the brightness H, the first brightness is the brightness H.
In an embodiment, the preset region includes N sub-regions, where N is an integer greater than 1, and the AP110 is specifically configured to: and controlling the light emitting units of M sub-regions of the N sub-regions to emit light with the first brightness, wherein horizontal projections of fingerprints of the users are located in the M sub-regions, and M is a positive integer.
Further, the AP110 is further configured to control the light emitting units of the sub-regions other than the M sub-regions of the N sub-regions to emit the light of the second brightness when the M sub-regions are controlled to emit the light of the first brightness.
Further, the sizes of the N sub-regions are the same, or the sizes of at least two sub-regions in the N sub-regions are different.
Further, the shapes of the N sub-regions are the same, or the shapes of at least two sub-regions among the N sub-regions are different.
For example, as shown in fig. 3, fig. 3 is a schematic interface diagram provided in the embodiment of the present invention. As shown in fig. 3, the size and shape of N sub-regions included in the preset region are the same, and the preset region includes: subregion A to subregion L. Assuming that the horizontal projection of the fingerprint of the user falls into the sub-area B, the sub-area C, the sub-area F and the sub-area G, at this time, the brightness of the sub-area B, the sub-area C, the sub-area F and the sub-area G may only need to be increased in the preset area, and the display brightness set by the terminal device is saved in the remaining sub-areas, so that the optical fingerprint sensor can obtain a clearer fingerprint. Therefore, on the premise of obtaining a clearer fingerprint, the power consumption of the terminal equipment is reduced.
Referring to fig. 4, fig. 4 is a schematic flowchart of a fingerprint acquisition method provided in an embodiment of the present invention, which is applied to a terminal device, and includes an application processor AP, an optical fingerprint sensor, and a touch display screen, where the touch display screen includes a preset area, and the optical fingerprint sensor is disposed below the preset area, and includes the following steps:
s401, when the touch display screen is pasted with the adhesive film, the terminal device controls the light emitting units in the preset area to emit light with first brightness, the light with the first brightness is used for irradiating fingerprints of a user, the first brightness is larger than the second brightness, and the second brightness is the brightness corresponding to the preset area when the adhesive film is not pasted on the touch display screen.
S402, the terminal device collects the fingerprint of the user irradiated by the light with the first brightness.
In an example, the touch display screen 120 is one of an LCD display screen, an OLED display screen, and an LED display screen.
In an example, the setting interface of the terminal device includes a display setting, and the display setting includes a film sticking setting, and the method further includes:
the terminal equipment reads the content set by the film, determines that the film is pasted on the touch display screen when the content set by the film is yes, and determines that the film is not pasted on the touch display screen when the content set by the film is not.
Further, the terminal device reads the content of the film pasting setting, and the method comprises the following steps: and the terminal equipment reads the content of a control button in the film pasting device.
Specifically, as shown in fig. 2, fig. 2 is a schematic interface diagram provided in an embodiment of the present invention. The user can set whether the touch display screen of the terminal device has the film in advance through the film setting in the display interface in the setting interface, for example, the user sets whether the touch display screen has the film through the control button in the film setting. The terminal equipment can directly read the content of the control button arranged on the film to determine whether the film is pasted on the touch display screen.
In an example, the terminal device determines whether a film is pasted on the touch display screen when a fingerprint acquisition instruction is detected. The fingerprint acquisition instruction is sent to the AP by the touch display screen when the touch display screen detects the touch operation of a user on the touch display screen; alternatively, the fingerprint collection instruction is sent by the fingerprint payment application to the AP when the fingerprint payment application detects that the fingerprint payment is determined, and the like, and the present invention is not limited.
In an example, the size of the preset area is not limited to the maximum size of the entire touch display screen, the minimum size of the preset area is the size of a fingerprint that enables a user to enter a sufficient area, and the like.
In an example, the preset area may be disposed at a lower left corner of the touch display screen, a lower right corner of the touch display screen, an upper right corner of the touch display screen, and the like, which is not limited in the present invention.
In an example, the shape of the predetermined area may be circular, square, oval, diamond, etc., and the present invention is not limited thereto.
In an example, the number of the preset areas may be 1 or more, and the present invention is not limited thereto.
In an example, the first brightness and the second brightness are preset, the first brightness indicates that the brightness of the light for collecting the fingerprint is the first brightness as long as the adhesive film is adhered on the touch display screen 120, and the second brightness indicates that the brightness of the light for collecting the fingerprint is the second brightness as long as the adhesive film is not adhered on the touch display screen 120.
Or, in an example, the second brightness is preset, and the first brightness is intelligently learned by the terminal device 100, but the first brightness is larger than the second brightness. For example, the brightness used for collecting the fingerprint for the first time is a, the quality of the collected fingerprint is a, if a does not satisfy the preset threshold, the brightness used for collecting the fingerprint for the second time is B, B is greater than a, the quality of the collected fingerprint is B, if B does not satisfy the preset threshold, the brightness used for collecting the fingerprint for the third time is C, C is greater than B, and so on until a suitable brightness is found.
For example, if the system is customized as long as the touch display screen 120 has a film, the corresponding first brightness is R, and if the system is customized as long as the touch display screen 120 has no film, the corresponding second brightness is T, R > T, and subsequently, if the AP110 detects that the film is adhered to the touch display screen 120, the light emitting units in the preset area are controlled to emit light with brightness of R, so that the optical fingerprint sensor 130 collects the fingerprint of the user by using the light with brightness of R.
For the condition that does not have the pad pasting on the touch-control display screen, the luminousness that has the pad pasting on the touch-control display screen is lower, can lead to the quality of the fingerprint that optical fingerprint sensor gathered to descend like this, in order to avoid above-mentioned problem, this scheme pastes when having the pad pasting on the touch-control display screen, is used for gathering the luminance of the light of fingerprint through improving, and then improves the quality of the fingerprint of gathering.
In an example, the second brightness is a display brightness currently set by the terminal device.
For example, as shown in fig. 2, the display brightness currently set by the terminal device is the display brightness of the touch display screen, which is set by the user through the brightness setting item included in the setting interface, when displaying the content.
In one example, the first brightness is determined by at least one of the following 2 parameters: 1) the current ambient brightness; 2) the current application.
Wherein, the current application can be fingerprint unlocking, fingerprint payment, fingerprint entry and the like.
Further, the first brightness is determined by current ambient brightness, each ambient brightness range corresponds to a brightness, and when any ambient brightness included in the ambient brightness range k is greater than any ambient brightness included in the ambient brightness range w, and the brightness corresponding to the ambient brightness range w is greater than the brightness corresponding to the application k, the brightness corresponding to the ambient brightness range k is less than the brightness corresponding to the ambient brightness range w. For example, the current ambient brightness 1 at the first time falls within the ambient brightness range k, the current ambient brightness 2 at the second time falls within the ambient brightness range w, the preset area at the first time emits light with brightness 1, and the preset area at the second time emits light with brightness 2, where the brightness 1 is less than the brightness 2.
Further, the first brightness is determined by the current application, each application corresponds to one security level, each security level corresponds to one first brightness, and when the security level corresponding to the application i is greater than the security level corresponding to the application j, the first brightness corresponding to the application i is greater than the first brightness corresponding to the application j. For example, the security level 1 corresponding to the current application 1 at the first time, the security level 2 corresponding to the current application 2 at the second time, the preset area at the first time emits light with a brightness of 1, the preset area at the second time emits light with a brightness of 2, and if the security level 2 is greater than the security level 1, the brightness of 1 is less than the brightness of 2.
Further, the corresponding security level of the application is user-defined; or the corresponding security level of the application is self-defined by the terminal equipment; or the security level corresponding to the application is determined by the terminal device according to the application attribute (for example, the current application is fingerprint unlocking, the application attribute is unlocking, and the security required for unlocking is not so high, and the security level can be set to 1. for example, the current application is fingerprint entering, and the application attribute is entering, and the security required is relatively high because the definition of the fingerprint entered by the fingerprint affects the success rate of subsequent fingerprint verification, and the security level can be set to 2. for example, the current application is fingerprint payment, and the application attribute is payment, and the payment has high payment and low payment, and because of the transaction involving money, the required security is higher, and the high payment can be set to 4, the low payment can be set to 3, and 1 < 2 < 3), and so on.
Further, the brightness of the first area corresponding to the safety level is user-defined; or the brightness of the first area corresponding to the security level is self-defined by the terminal equipment.
Further, the first brightness is determined by the current ambient brightness and the current application, each ambient brightness range corresponds to a brightness, each application corresponds to a security level, and each security level corresponds to a first brightness; when the brightness corresponding to the current environment brightness and the brightness corresponding to the current application are both brightness Z, the first brightness is the brightness Z; and when the brightness corresponding to the current environment brightness is brightness K, the brightness corresponding to the current application is brightness H, and the brightness K is not equal to the brightness H, the first brightness is the brightness H.
In an example, the preset region includes N sub-regions, where N is an integer greater than 1, and specific embodiments of controlling the light emitting unit of the preset region to emit light with the first brightness include: the terminal equipment controls light emitting units of M sub-areas in the N sub-areas to emit light with the first brightness, horizontal projections of fingerprints of the users are located in the M sub-areas, and M is a positive integer.
Further, the method further comprises:
when the M sub-regions are controlled to emit the light with the first brightness, the terminal device controls the light emitting units of the sub-regions except the M sub-regions in the N sub-regions to emit the light with the second brightness.
Further, the sizes of the N sub-regions are the same, or the sizes of at least two sub-regions in the N sub-regions are different.
Further, the shapes of the N sub-regions are the same, or the shapes of at least two sub-regions among the N sub-regions are different.
For example, as shown in fig. 3, fig. 3 is a schematic interface diagram provided in the embodiment of the present invention. As shown in fig. 3, the size and shape of N sub-regions included in the preset region are the same, and the preset region includes: subregion A to subregion L. Assuming that the horizontal projection of the fingerprint of the user falls into the sub-area B, the sub-area C, the sub-area F and the sub-area G, at this time, the brightness of the sub-area B, the sub-area C, the sub-area F and the sub-area G may only need to be increased in the preset area, and the display brightness set by the terminal device is saved in the remaining sub-areas, so that the optical fingerprint sensor can obtain a clearer fingerprint. Therefore, on the premise of obtaining a clearer fingerprint, the power consumption of the terminal equipment is reduced.
Referring to fig. 5, fig. 5 is a terminal device 500 according to an embodiment of the present invention, including: at least one processor comprising an application processor AP, an optical fingerprint sensor, a touch display screen, and at least one memory; the touch display screen comprises a preset area, and the optical fingerprint sensor is arranged below the preset area;
the one or more programs are stored in the memory and configured to be executed by the AP, the programs including instructions for:
when the touch display screen is pasted with the adhesive film, controlling the light-emitting unit of the preset area to emit light with first brightness, wherein the light with the first brightness is used for irradiating fingerprints of a user, the first brightness is greater than second brightness, and the second brightness is the brightness corresponding to the preset area when the adhesive film is not pasted on the touch display screen;
and collecting the fingerprint of the user irradiated by the light with the first brightness.
In an example, the second brightness is a display brightness currently set by the terminal device.
In one example, the first brightness is determined by at least one of the following 2 parameters: 1) the current ambient brightness; 2) the current application.
In an example, the preset region includes N sub-regions, where N is an integer greater than 1, and the program is specifically configured to execute instructions of the following steps:
and controlling the light emitting units of M sub-regions of the N sub-regions to emit light with the first brightness, wherein horizontal projections of fingerprints of the users are located in the M sub-regions, and M is a positive integer.
In an example, the program further comprises instructions for performing the steps of:
and when the M sub-regions are controlled to emit the light with the first brightness, the light emitting units of the sub-regions except the M sub-regions in the N sub-regions are controlled to emit the light with the second brightness.
For the condition that does not have the pad pasting on the touch-control display screen, the luminousness that has the pad pasting on the touch-control display screen is lower, can lead to the quality of the fingerprint that optical fingerprint sensor gathered to descend like this, in order to avoid above-mentioned problem, this scheme pastes when having the pad pasting on the touch-control display screen, is used for gathering the luminance of the light of fingerprint through improving, and then improves the quality of the fingerprint of gathering.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a fingerprint acquisition device 600 according to the present embodiment. This collection device 600 of fingerprint includes application processor AP, optics fingerprint sensor and touch-control display screen's terminal equipment, touch-control display screen is including predetermineeing the region, optics fingerprint sensor arranges in predetermineeing the below in region, the collection device of fingerprint includes processing unit 601, communication unit 602 and memory cell 603, wherein:
the processing unit 601 is configured to control the light emitting unit in the preset area to emit light with a first brightness when a film is attached to the touch display screen, where the light with the first brightness is used to irradiate a fingerprint of a user, the first brightness is greater than a second brightness, and the second brightness is a display brightness currently set by the terminal device; and collecting the fingerprint of the user irradiated by the light with the first brightness.
The processing Unit 601 may be a Processor or a controller (e.g., a Central Processing Unit (CPU), a general purpose Processor, a Digital Signal Processor (DSP), an Application-Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a transistor logic device, a hardware component, or any combination thereof). The communication unit 602 may be a transceiver, a transceiver circuit, a radio frequency chip, a communication interface, etc., and the storage unit 603 may be a memory.
When the processing unit 601 is a processor, the communication unit 602 is a communication interface, and the storage unit 603 is a memory, the fingerprint acquisition apparatus according to the embodiment of the present invention may be a terminal device shown in fig. 5.
As shown in fig. 7, for convenience of description, only the parts related to the embodiment of the present invention are shown, and details of the specific technology are not disclosed, please refer to the method part in the embodiment of the present invention. The mobile terminal may be any terminal device including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), a vehicle-mounted computer, and the like, taking the mobile terminal as the mobile phone as an example:
fig. 7 is a block diagram illustrating a partial structure of a mobile phone related to a mobile terminal according to an embodiment of the present invention. Referring to fig. 7, the handset includes: a Radio Frequency (RF) circuit 910, a memory 920, an input unit 930, a display unit 940, a sensor 950, an audio circuit 960, a Wireless Fidelity (WiFi) module 970, a processor 980, and a power supply 990. Those skilled in the art will appreciate that the handset configuration shown in fig. 7 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile phone in detail with reference to fig. 7:
RF circuitry 910 may be used for the reception and transmission of information. In general, the RF circuit 910 includes, but is not limited to, an antenna, at least one Amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuit 910 may also communicate with networks and other devices via wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to Global System for mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Messaging Service (SMS), and the like.
The memory 920 may be used to store software programs and modules, and the processor 980 may execute various functional applications and data processing of the mobile phone by operating the software programs and modules stored in the memory 920. The memory 920 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function, and the like; the storage data area may store data (such as a first brightness, a second brightness, etc.) created according to the use of the mobile phone, and the like. Further, the memory 920 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The input unit 930 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the cellular phone. In particular, the input unit 930 may include an optical fingerprint sensor 931 and other input devices 932. An optical fingerprint sensor 931 may collect fingerprint data of a user thereon. The input unit 930 may comprise other input devices 932 in addition to the optical fingerprint sensor 931. In particular, other input devices 932 may include, but are not limited to, one or more of a touch screen, physical keys, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 940 may be used to display information input by the user or information provided to the user and various menus of the mobile phone. The display unit 940 may include a display screen 941, and optionally, the display screen 941 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Although in fig. 7 the optical fingerprint sensor 931 and the display screen 941 are shown as two separate components to implement the input and output functions of the mobile phone, in some embodiments, the optical fingerprint sensor 931 and the display screen 941 may be integrated to implement the input and output functions of the mobile phone.
The handset may also include at least one sensor 950, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display screen 941 according to the brightness of ambient light, and the proximity sensor may turn off the display screen 941 and/or the backlight when the mobile phone is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
Audio circuitry 960, speaker 961, microphone 962 may provide an audio interface between a user and a cell phone. The audio circuit 960 may transmit the electrical signal converted from the received audio data to the speaker 961, and the audio signal is converted by the speaker 961 to be played; on the other hand, the microphone 962 converts the collected sound signal into an electrical signal, converts the electrical signal into audio data after being received by the audio circuit 960, and then processes the audio data by the audio data playing processor 980, and then sends the audio data to, for example, another mobile phone through the RF circuit 910, or plays the audio data to the memory 920 for further processing.
WiFi belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 970, and provides wireless broadband Internet access for the user. Although fig. 7 shows the WiFi module 970, it is understood that it does not belong to the essential constitution of the handset, and can be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 980 is a control center of the mobile phone, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the mobile phone and processes data by operating or executing software programs and/or modules stored in the memory 920 and calling data stored in the memory 920, thereby integrally monitoring the mobile phone. Alternatively, processor 980 may include one or more processing units; preferably, the processor 980 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 980.
The handset also includes a power supply 990 (e.g., a battery) for supplying power to the various components, which may preferably be logically connected to the processor 980 via a power management system, thereby providing management of charging, discharging, and power consumption via the power management system.
Although not shown, the mobile phone may further include a camera, a bluetooth module, etc., which are not described herein.
In the embodiment shown in fig. 4, the method flow of each step may be implemented based on the structure of the mobile phone.
In the embodiment shown in fig. 6, the functions of the units can be implemented based on the structure of the mobile phone.
An embodiment of the present invention further provides a computer storage medium, wherein 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 fingerprint acquisition methods described in the above method embodiments.
Embodiments of the present invention also provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to perform some or all of the steps described in the above method for a terminal device. The computer program product may be a software installation package.
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 invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. 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 by the invention.
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 division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. 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 invention 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, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a memory and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) to execute all or part of the steps of the method according to the embodiments of the present invention. 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 above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in view of the above, the content of the present specification should not be construed as a limitation to the present invention.
Claims (11)
1. The utility model provides a terminal equipment, includes application processor AP, optics fingerprint sensor and touch-control display screen, its characterized in that, touch-control display screen is including predetermineeing the region, optics fingerprint sensor arranges in predetermine the below in region includes:
the AP is used for controlling the light-emitting unit of the preset area to emit light with first brightness when the adhesive film is adhered to the touch display screen, wherein the light with the first brightness is used for irradiating fingerprints of a user, the first brightness is greater than second brightness, and the second brightness is the brightness corresponding to the preset area when the adhesive film is not adhered to the touch display screen;
the optical fingerprint sensor is used for collecting the fingerprint of the user irradiated by the light with the first brightness; the terminal equipment comprises a terminal device and is characterized in that the terminal device comprises a display interface, the display interface comprises a film pasting setting, the AP is further used for reading the content of the film pasting setting, when the content of the film pasting setting is yes, the film pasting is determined to be pasted on the touch display screen, and when the content of the film pasting setting is not, the film pasting is determined not to be pasted on the touch display screen.
2. The terminal device of claim 1, wherein the first brightness is determined by at least one of the following 2 parameters: 1) the current ambient brightness; 2) the current application.
3. The terminal device according to claim 1, wherein the preset region includes N sub-regions, where N is an integer greater than 1, and the AP is specifically configured to:
and controlling the light emitting units of M sub-regions of the N sub-regions to emit light with the first brightness, wherein horizontal projections of fingerprints of the users are located in the M sub-regions, and M is a positive integer.
4. The terminal device of claim 3,
the AP is further configured to control the light emitting units of the sub-regions other than the M sub-regions of the N sub-regions to emit the light of the second brightness when the M sub-regions are controlled to emit the light of the first brightness.
5. The fingerprint acquisition method is applied to terminal equipment and comprises an application processor AP, an optical fingerprint sensor and a touch display screen, wherein the touch display screen comprises a preset area, and the optical fingerprint sensor is arranged below the preset area and comprises the following steps:
when the touch display screen is pasted with the adhesive film, controlling the light-emitting unit of the preset area to emit light with first brightness, wherein the light with the first brightness is used for irradiating fingerprints of a user, the first brightness is greater than second brightness, and the second brightness is the brightness corresponding to the preset area when the adhesive film is not pasted on the touch display screen;
the fingerprint acquisition method comprises the steps of collecting fingerprints of users irradiated by light with first brightness, wherein the setting interface of the terminal equipment comprises display setting, the display setting comprises film pasting setting, the application processor AP is further used for reading the content of the film pasting setting, when the content of the film pasting setting is yes, the film pasting is determined to be pasted on the touch display screen, and when the content of the film pasting setting is no, the film pasting is determined not to be pasted on the touch display screen.
6. The method of claim 5, wherein the first brightness is determined by at least one of the following 2 parameters: 1) the current ambient brightness; 2) the current application.
7. The method according to claim 5, wherein the preset region comprises N sub-regions, N is an integer greater than 1, and the controlling the light emitting units of the preset region to emit light with a first brightness comprises:
and controlling the light emitting units of M sub-regions of the N sub-regions to emit light with the first brightness, wherein horizontal projections of fingerprints of the users are located in the M sub-regions, and M is a positive integer.
8. The method of claim 7, further comprising:
and when the M sub-regions are controlled to emit the light with the first brightness, the light emitting units of the sub-regions except the M sub-regions in the N sub-regions are controlled to emit the light with the second brightness.
9. An apparatus for collecting a fingerprint, comprising: terminal equipment of application treater AP, optics fingerprint sensor and touch-control display screen, its characterized in that, the touch-control display screen is including predetermineeing the region, optics fingerprint sensor arranges in predetermine the below in region, the collection system of fingerprint includes the processing unit, wherein:
the application processor AP is configured to control the light emitting unit in the preset area to emit light with a first brightness when the touch display screen is pasted with the adhesive film, where the light with the first brightness is used to irradiate a fingerprint of a user, the first brightness is greater than a second brightness, and the second brightness is a brightness corresponding to the preset area when the adhesive film is not pasted on the touch display screen; the fingerprint acquisition method comprises the steps of collecting fingerprints of users irradiated by light with first brightness, wherein the setting interface of the terminal equipment comprises display setting, the display setting comprises film pasting setting, the application processor AP is further used for reading the content of the film pasting setting, when the content of the film pasting setting is yes, the film pasting is determined to be pasted on the touch display screen, and when the content of the film pasting setting is no, the film pasting is determined not to be pasted on the touch display screen.
10. The terminal equipment is characterized by comprising an application processor AP, an optical fingerprint sensor, a touch display screen and a memory; the touch display screen comprises a preset area, and the optical fingerprint sensor is arranged below the preset area;
the one or more programs stored in the memory and configured to be executed by the AP,
the program comprising instructions for carrying out the steps in the method according to any one of claims 5 to 8.
11. A computer-readable storage medium, characterized in that it stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method according to any one of claims 5-8.
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| CN107782280B (en) * | 2017-10-20 | 2020-09-01 | 维沃移动通信有限公司 | Film thickness detection method and mobile terminal |
| WO2020186415A1 (en) * | 2019-03-18 | 2020-09-24 | 深圳市汇顶科技股份有限公司 | Device and method for fingerprint recognition, and electronic apparatus |
| CN111985391B (en) * | 2020-08-18 | 2023-11-28 | Oppo（重庆）智能科技有限公司 | Method and device for detecting protective film, mobile terminal and storage medium |
| CN113723167A (en) * | 2021-04-02 | 2021-11-30 | 荣耀终端有限公司 | Fingerprint identification method and electronic equipment |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: Guangdong Opel Mobile Communications Co., Ltd. |
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