CN106873849A - A kind of fingerprint detection method, device and a kind of mobile terminal - Google Patents
A kind of fingerprint detection method, device and a kind of mobile terminal Download PDFInfo
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- CN106873849A CN106873849A CN201710009719.5A CN201710009719A CN106873849A CN 106873849 A CN106873849 A CN 106873849A CN 201710009719 A CN201710009719 A CN 201710009719A CN 106873849 A CN106873849 A CN 106873849A
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000013480 data collection Methods 0.000 claims description 2
- 230000004438 eyesight Effects 0.000 abstract description 9
- 208000027418 Wounds and injury Diseases 0.000 abstract description 7
- 230000001771 impaired effect Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 208000014674 injury Diseases 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
-
- 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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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Image Input (AREA)
- Collating Specific Patterns (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a kind of fingerprint detection method, including：In the case where screen is for breath screen state, when detecting fingerprint sensor and being touched, the area and pressure value of contact object contact are obtained；When judging that the area is not more than preset area standard and the pressure value is more than preset pressure level, fingerprint sensor sends pressing signal and obtains ambient light intensity to start photo cell to control unit；If the ambient light intensity is not more than predetermined threshold value, the photo cell sends low light signals to described control unit so that screen keeps breath screen state；If the ambient light intensity is more than predetermined threshold value, the photo cell sends high light signal to described control unit so that screen is lighted.Accordingly, the present invention also provides a kind of finger print detection device and mobile terminal；Screen is lit when the present invention can be prevented effectively under dark condition by mistaken touch, the impaired injury of caused human eyesight, improves battery durable power, lifts Consumer's Experience.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of fingerprint detection method, device and a kind of movement are eventually
End.
Background technology
Nowadays fingerprint sensor is substantially into the standard configuration of intelligent terminal, and the intelligent terminal of many manufacturers is by fingerprint sensor
Together with the design of HOME keys, under screen breath screen state, meeting bright spot screen when user touches fingerprint sensor.In life often
Meet following scene, young child, the especially 1 years old child in -3 years old stages, mobile phone of being played in the case of turning off the light at night,
When imprudence is clicked on or touches fingerprint sensor, screen can be lit, and not only cause the consumption of battery capacity, more serious
Be the child for being in visual development tricky time eyes it is more fragile, screen is lit and is sent in the environment of turning off the light
High light easily the eyesight of child is impacted；It is not only child, adult user's imprudence touching movement in the dark state
The fingerprint sensor of equipment and the high light that causes can also cause the discomfort of adult user's eyes, reduce the experience sense of user.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of fingerprint detection method and device, can effectively prevent under dark condition
Screen is lit during by mistaken touch, the impaired injury of caused human eyesight, and battery capacity loss；Improve battery durable
Power, lifts Consumer's Experience.
To achieve the above object, a kind of fingerprint detection method is the embodiment of the invention provides, including：
In the case where screen is for breath screen state, when detecting fingerprint sensor and being touched, obtained by the fingerprint sensor
Contact object contacts the area and pressure value of the fingerprint sensor；
Whether the area is judged more than preset area standard by the fingerprint sensor, by the fingerprint sensor
Whether the pressure value is judged more than preset pressure level, if it is default to judge that the area is not more than by the fingerprint sensor
Area standard and the pressure value are more than preset pressure level, then the fingerprint sensor sends pressing signal to control unit；
Described control unit starts photo cell and obtains ambient light intensity after the pressing signal is received；
Whether the ambient light intensity for obtaining is judged more than predetermined threshold value by the photo cell, if the ambient light
When intensity is not more than predetermined threshold value, the photo cell sends low light signals to described control unit；If the ambient light intensity
During more than predetermined threshold value, the photo cell sends high light signal to described control unit；
If described control unit receives the low light signals, the screen is controlled to keep breath by described control unit
Screen state；
If described control unit receives the high light signal, the screen is lighted by described control unit.
Compared with prior art, fingerprint detection method disclosed by the invention, to cease under screen state, works as detection by screen
When being touched to fingerprint sensor, the area contacted with fingerprint sensor by fingerprint sensor judgement contact object is not more than pre-
If area standard and pressure value are more than preset pressure level, then send pressing signal and obtained with starting photo cell to control unit
Ambient light intensity；Then whether the photo cell by starting judges the ambient light intensity for obtaining more than predetermined threshold value, if environment
When luminous intensity is not more than predetermined threshold value, photo cell sends low light signals to control unit to keep screen to cease screen；If ambient light
When intensity is more than predetermined threshold value, photo cell sends high light signal to control unit to light the technical scheme of screen, solves
In the prior art under dark state by false touch touch fingerprint sensor and light screen belt battery loss and infringement user's eyesight
Problem, obtain improve battery durable ability and improve Consumer's Experience sense beneficial effect.
Further, the fingerprint detection method also includes：
If judging that the area is not more than preset area standard and the pressure value is not more than by the fingerprint sensor
Preset pressure level, then the fingerprint sensor transmission is without pressing signal to described control unit；
If described control unit is received without pressing signal, the screen is controlled to keep breath screen by described control unit
State.
The present embodiment use is not more than preset area standard and the pressure when the area for judging touching object touch sensor
Force value keeps the further scheme of screen breath screen when being not more than preset pressure level, refer to during due to user's mistaken touch fingerprint sensor
The area and/or dynamics of the contact object contact that line sensor is obtained may be smaller, used based on the phenomenon the present embodiment
Further scheme can reduce the loss of the battery that mistaken touch is brought.
Further, the fingerprint detection method also includes：
If judging that the area is more than preset area standard and the pressure value is more than default by the fingerprint sensor
Pressure criteria, then the fingerprint sensor send Full connected signal to described control unit；
If described control unit receives the Full connected signal, the screen point is controlled by described control unit
It is bright.
Further, the fingerprint detection method also includes：
When gathering fingerprint template data in advance by the fingerprint sensor, the fingerprint sensor obtains the fingerprint mould
Whether plate contacts the area of the fingerprint sensor, and judges the area more than preset area standard, if it is not, then judging described
Fingerprint template data acquisition fails.
Accordingly, the present invention also provides a kind of finger print detection device, including：
Fingerprint sensor, under in screen for breath screen state, when detecting touched, obtains contact object contact
Area and pressure value, and whether the area is judged more than preset area standard, judge the pressure value whether more than default pressure
Power standard, if judging the area no more than preset area standard and the pressure value more than preset pressure level, transmission is pressed
Press signal to described control unit；
Control unit, ambient light intensity is obtained for starting photo cell after the pressing signal is received；Receive
The screen is controlled to keep breath screen state after the low light signals；The screen is lighted after receiving the high light signal；
Whether photo cell, for obtaining the ambient light intensity, and judge the ambient light intensity for obtaining more than pre-
If threshold value, low light signals to described control unit are sent when judging that the ambient light intensity is not more than predetermined threshold value；Work as judgement
The ambient light intensity sends high light signal to described control unit when being more than predetermined threshold value.
Compared with prior art, finger print detection device disclosed by the invention is used in screen as breath shields by fingerprint sensor
Under state, when detecting touched, judge that the area that contact object is contacted with fingerprint sensor is not more than preset area standard
And pressure value is more than preset pressure level, then pressing signal to control unit is sent；Then it is used to receive by control unit
Pressing signal after start photo cell obtain ambient light intensity, then by photo cell judge acquisition ambient light intensity whether
More than predetermined threshold value, if ambient light intensity is not more than predetermined threshold value, photo cell sends low light signals to control unit；If ring
When border luminous intensity is more than predetermined threshold value, photo cell sends high light signal to control unit；Finally, received by control unit
Screen breath screen is kept after to low light signals, the technical scheme of screen is lighted after high light signal is received；Solve prior art
Fingerprint sensor is touched by false touch under middle dark state and the battery loss of screen belt and the problem of infringement user's eyesight is lighted, obtained
Obtained the beneficial effect for improving battery durable ability and improving Consumer's Experience sense.
Further, the fingerprint sensor is additionally operable to work as and judges the area no more than preset area standard and the pressure
Force value is not more than preset pressure level, then send without pressing signal to described control unit；
Described control unit is additionally operable to control the screen to keep breath screen state when receiving without pressing signal.
In the further scheme of the present embodiment, fingerprint sensor is used to work as the area for judging touching object touch sensor not
Sent when being not more than preset pressure level more than preset area standard and the pressure value without pressing signal to control unit, controlled
Unit is used to receive without holding screen breath screen after pressing signal, it is possible to reduce by the loss of mistaken touch battery.
Further, the fingerprint sensor is additionally operable to work as and judges that the area is more than preset area standard and the pressure
When value is more than preset pressure level, Full connected signal to described control unit is sent；Then the fingerprint sensor sends Full connected
Signal is to described control unit；
Described control unit is additionally operable to control the screen to light after the Full connected signal is received.
Further, when the fingerprint sensor is additionally operable to gather in advance fingerprint template data, the fingerprint template is obtained
The area of the fingerprint sensor is contacted, and whether judges the area more than preset area standard, if it is not, then judging the finger
The collection failure of line template data.
Accordingly, the present invention also provides a kind of mobile terminal, it is characterised in that the one kind provided including the invention described above refers to
Line detection means.
Compared with prior art, a kind of mobile terminal disclosed by the invention is by employing a kind of fingerprint that the present invention is provided
The technical scheme of detection means, solve under dark state in the prior art by false touch touch the mobile terminal fingerprint sensor and
Light screen belt battery loss and infringement user's eyesight problem, obtain improve mobile terminal battery durable ability and
Improve the beneficial effect of Consumer's Experience sense.
Brief description of the drawings
The step of Fig. 1 is a kind of embodiment one of fingerprint detection method offer of the invention schematic diagram；
Fig. 2 is the FB(flow block) of the embodiment one that a kind of fingerprint detection method of the invention is provided；
Fig. 3 is the FB(flow block) of the embodiment two that a kind of fingerprint detection method of the invention is provided；
Fig. 4 is the structural representation of the embodiment one that a kind of finger print detection device of the invention is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The step of embodiment one that a kind of fingerprint detection method of the present invention is provided referring to Fig. 1 and Fig. 2, Fig. 1 is the present embodiment
Schematic diagram, Fig. 2 is the FB(flow block) of the present embodiment；The present embodiment includes step：
S1, screen for breath screen state under, when detect fingerprint sensor be touched when, by fingerprint sensor obtain connect
Touch the area and pressure value of object contact fingerprint sensor；
S2, judge that whether area, more than preset area standard, pressure is judged by fingerprint sensor by fingerprint sensor
Whether value is more than preset pressure level, if judging that area is not more than preset area standard and pressure value is more than by fingerprint sensor
Preset pressure level, then fingerprint sensor transmission presses signal to control unit；
S3, control unit start photo cell and obtain ambient light intensity after pressing signal is received；
S4, whether the ambient light intensity for obtaining is judged by photo cell more than predetermined threshold value, if ambient light intensity is little
When predetermined threshold value, photo cell sends low light signals to control unit；If ambient light intensity is more than predetermined threshold value, light sensation list
Unit sends high light signal to control unit；
If S5, control unit receive low light signals, screen is controlled to keep breath screen state by control unit；If control
Unit receives high light signal, then light screen by control unit.
When the present embodiment gathers fingerprint template data in advance by fingerprint sensor, fingerprint sensor obtains fingerprint template and connects
The area of fingerprint sensor is touched, and whether judges area more than preset area standard, if it is not, then judging fingerprint template data acquisition
Failure.Wherein, successful fingerprint template data are gathered in advance will be stored, and will be used for during as unlocking screen and contacted object
The fingerprint template data that are matched of finger print data.
Preferably, the present embodiment is set as fingerprint sensor for being touched the complete of object contact preset area standard
Area；As, the contact surface when object contact fingerprint sensor is contacted can comprehensively cover fingerprint sensor, fingerprint sensor
The area for obtaining contact object contact fingerprint sensor reaches preset area standard.
The purpose of the present embodiment in order in solving dark surrounds, the screen that false touch of the user to fingerprint sensor is touched and caused
Light, the infringement and battery drain of the light of the screen caused by screen is lighted in dark surrounds to human eye；Generally, to referring to
The area that the false touch of line sensor is touched can be small compared with the area for normally contacting.So, the present embodiment is obtained by step S1 and step S2
Contactant contact fingerprint sensor has been got, and the area of contactant contact fingerprint sensor is not more than preset standard and contact
When the pressure value of fingerprint sensor is more than preset standard, i.e., fingerprint sensor is able to detect that the pressing but contact of contact object
Area is not up to standard；Ambient light intensity is now obtained by step S3~step S5 so as to realize sentencing ambient light power
It is disconnected, to determine whether to light screen, when ambient light intensity is not more than predetermined threshold value, show that current environment, for dark state, leads to
Cross control unit and keep breath screen state, when ambient light intensity is more than predetermined threshold value, show that current environment, for bright state, passes through
Control unit lights screen.
During specific implementation, in the case where screen is for breath screen state, when detecting fingerprint sensor and being touched, first by fingerprint
Sensor obtains the area and pressure value of contact object contact fingerprint sensor；And judge whether area is big by fingerprint sensor
In preset area standard and whether pressure value is judged more than preset pressure level, if judged area is not more than preset area mark
Accurate and pressure value is more than preset pressure level, then fingerprint sensor sends pressing signal to control unit；Then it is single by controlling
Unit starts photo cell acquisition ambient light intensity after receiving pressing signal；Then the photo cell by starting judges what is obtained
Whether ambient light intensity is more than predetermined threshold value, if ambient light intensity is not more than predetermined threshold value, photo cell sends low light signals
To control unit；If ambient light intensity is more than predetermined threshold value, photo cell sends high light signal to control unit；Finally, if
Control unit receives low light signals, then control screen to keep breath screen state by control unit；If control unit is received by force
Optical signal, then light screen by control unit.
Compared with prior art, the present embodiment first pass through detection touching object touch area and pressure value under conditions of,
When the area that correspondence is touched does not reach preset area standard and pressure value reaches preset pressure level, start detection environmental light intensity
Whether degree is dark condition, so that screen is lit when realizing effectively preventing under dark condition by mistaken touch, caused human eye
Visually impaired injury, and battery capacity loss；Battery durable power is improved, Consumer's Experience is lifted.
A kind of embodiment two that a kind of fingerprint detection method of the present invention is provided, fingerprint detection method shown in Figure 1 is carried
The step schematic diagram of embodiment one of confession, the present embodiment equally includes the step in Fig. 1；Turning also now to Fig. 3, Fig. 3 is the present embodiment
FB(flow block)；The present embodiment specifically includes step：
S1, screen for breath screen state under, when detect fingerprint sensor be touched when, by fingerprint sensor obtain connect
Touch the area and pressure value of object contact fingerprint sensor；
S2, judge that whether area, more than preset area standard, pressure is judged by fingerprint sensor by fingerprint sensor
Whether value is more than preset pressure level, if judging that area is not more than preset area standard and pressure value is more than by fingerprint sensor
Preset pressure level, then fingerprint sensor transmission presses signal to control unit；
S3, control unit start photo cell and obtain ambient light intensity after pressing signal is received；
S4, whether the ambient light intensity for obtaining is judged by photo cell more than predetermined threshold value, if ambient light intensity is little
When predetermined threshold value, photo cell sends low light signals to control unit；If ambient light intensity is more than predetermined threshold value, light sensation list
Unit sends high light signal to control unit；
If S5, control unit receive low light signals, screen is controlled to keep breath screen state by control unit；If control
Unit receives high light signal, then light screen by control unit.
When the present embodiment gathers fingerprint template data in advance by fingerprint sensor, fingerprint sensor obtains fingerprint template and connects
The area of fingerprint sensor is touched, and whether judges area more than preset area standard, if it is not, then judging fingerprint template data acquisition
Failure.Wherein, successful fingerprint template data are gathered in advance will be stored, and will be used for during as unlocking screen and contacted object
The fingerprint template data that are matched of finger print data.
Preferably, the present embodiment is set as fingerprint sensor for being touched the complete of object contact preset area standard
Area；As, the contact surface when object contact fingerprint sensor is contacted can comprehensively cover fingerprint sensor, fingerprint sensor
The area for obtaining contact object contact fingerprint sensor reaches preset area standard.
The purpose of the present embodiment in order in solving dark surrounds, the screen that false touch of the user to fingerprint sensor is touched and caused
Light, the infringement and battery drain of the light of the screen caused by screen is lighted in dark surrounds to human eye；Generally, to referring to
The area that the false touch of line sensor is touched can be small compared with the area for normally contacting.So, the present embodiment is obtained by step S1 and step S2
Contactant contact fingerprint sensor has been got, and the area of contactant contact fingerprint sensor is not more than preset standard and contact
When the pressure value of fingerprint sensor is more than preset standard, i.e., fingerprint sensor is able to detect that the pressing but contact of contact object
Area is not up to standard；Ambient light intensity is now obtained by step S3~step S5 so as to realize sentencing ambient light power
It is disconnected, to determine whether to light screen, when ambient light intensity is not more than predetermined threshold value, show that current environment, for dark state, leads to
Cross control unit and keep breath screen state, when ambient light intensity is more than predetermined threshold value, show that current environment, for bright state, passes through
Control unit lights screen.
Referring to the FB(flow block) of Fig. 3, the present embodiment is further included：Face is judged by fingerprint sensor by step S2
Whether product is more than preset area standard, judges whether pressure value is more than in the judgement of preset pressure level by fingerprint sensor,
If judging that area is not more than preset area standard and pressure value no more than preset pressure level by fingerprint sensor, fingerprint is passed
Sensor is sent without pressing signal to control unit；
If control unit is received without pressing signal, screen is controlled to keep breath screen state by control unit.
The step judges that area is not more than preset area standard and pressure value no more than preset pressure by fingerprint sensor
Standard, the touch area and pressure value for indicating touching object to fingerprint sensor is smaller, it is believed that touched without touch objects,
So by sending without pressing signal to control unit so as to control screen to keep breath screen state, to reduce the loss of battery.
The present embodiment is further included：Judge area whether more than preset area by fingerprint sensor by step S2
Standard, judges whether pressure value is more than in the judgement of preset pressure level, if sentencing by fingerprint sensor by fingerprint sensor
Basal area is more than preset area standard and pressure value is more than preset pressure level, then fingerprint sensor sends Full connected signal to control
Unit processed；
If control unit receives Full connected signal, screen is controlled to light by control unit.
The step judges area more than preset area standard by fingerprint sensor and pressure value is more than preset pressure level,
The touch area and pressure value that touching object is indicated to fingerprint sensor are larger, also reach preset standard, it is believed that be to use
The normal of family uses touch-control, so by sending Full connected signal to control unit so as to control screen to light, with the equipment of opening
Use.
During specific implementation, in the case where screen is for breath screen state, when detecting fingerprint sensor and being touched, first by fingerprint
Sensor obtains the area and pressure value of contact object contact fingerprint sensor；And judge whether area is big by fingerprint sensor
In preset area standard and whether pressure value is judged more than preset pressure level, if judged area is not more than preset area mark
Accurate and pressure value is more than preset pressure level, then fingerprint sensor sends pressing signal to control unit；Then, it is single by controlling
Unit starts photo cell acquisition ambient light intensity after receiving pressing signal；Then the photo cell by starting judges what is obtained
Whether ambient light intensity is more than predetermined threshold value, if ambient light intensity is not more than predetermined threshold value, photo cell sends low light signals
To control unit；If ambient light intensity is more than predetermined threshold value, photo cell sends high light signal to control unit；Finally, if
Control unit receives low light signals, then control screen to keep breath screen state by control unit；If control unit is received by force
Optical signal, then light screen by control unit；Additionally, when judging that area is not more than preset area mark by fingerprint sensor
Accurate and pressure value is not more than preset pressure level, then fingerprint sensor is sent without pressing signal to control unit, correspondence, if controlling
Unit is received without pressing signal, then control screen to keep breath screen state by control unit；Judge when by fingerprint sensor
Area is more than preset area standard and pressure value is more than preset pressure level, then fingerprint sensor sends Full connected signal to control
Unit, correspondence, if control unit receives Full connected signal, controls screen to light by control unit.
Compared with prior art, the present embodiment first pass through detection touching object touch area and pressure value under conditions of,
When the area that correspondence is touched does not reach preset area standard and pressure value reaches preset pressure level, start detection environmental light intensity
Whether degree is dark condition, so that screen is lit when realizing effectively preventing under dark condition by mistaken touch, caused human eye
Visually impaired injury, and battery capacity loss；Battery durable power is improved, Consumer's Experience is lifted.
It is the structural representation of the embodiment one that a kind of finger print detection device of the invention is provided referring to Fig. 4；The present embodiment bag
Include：
Fingerprint sensor 1, under in screen for breath screen state, when detecting touched, obtains contact object contact
Area and pressure value, and whether judge area more than preset area standard, judge whether pressure value is more than preset pressure level,
If judging, area is not more than preset area standard and pressure value is more than preset pressure level, sends pressing signal single to control
Unit；
Control unit 2, ambient light intensity is obtained for starting photo cell 3 after pressing signal is received；Receive weak
Screen is controlled to keep breath screen state after optical signal；Screen is lighted after receiving high light signal；
Whether photo cell 3, for obtaining ambient light intensity, and judge the ambient light intensity for obtaining more than predetermined threshold value,
Low light signals to control unit 2 are sent when judging that ambient light intensity is not more than predetermined threshold value；When judging that ambient light intensity is more than
High light signal to control unit 2 is sent during predetermined threshold value.
When the present embodiment is additionally operable to gather in advance fingerprint template data by fingerprint sensor 1, fingerprint sensor 1 is obtained and referred to
The area of line template contacts fingerprint sensor 1, and whether area is judged more than preset area standard, if it is not, then judging fingerprint mould
Plate data acquisition fails.Wherein, fingerprint sensor 1 gathers successful fingerprint template data and will store in advance, and as screen
Fingerprint template data during curtain unblock for being matched with the finger print data for contacting object.
Preferably, the present embodiment is set as fingerprint sensor 1 for being touched object contact preset area standard
Gross area；As, the contact surface when object contact fingerprint sensor 1 is contacted can comprehensively cover fingerprint sensor, and fingerprint is passed
The area that sensor 1 obtains contact object contact fingerprint sensor 1 reaches preset area standard.
The purpose of the present embodiment in order in solving dark surrounds, the screen that false touch of the user to fingerprint sensor 1 is touched and caused
Curtain is lighted, the infringement and battery drain of the light of the screen caused by screen is lighted in dark surrounds to human eye；Generally, it is right
The area that the false touch of fingerprint sensor 1 is touched can be small compared with the area for normally contacting.So, the fingerprint sensor 1 of the present embodiment is obtained
To have contactant contact fingerprint sensor, and fingerprint sensor 1 when obtain contactant contact fingerprint sensor area it is little
When the pressure value of preset standard and contact fingerprint sensor is more than preset standard, i.e., fingerprint sensor 1 has detected contactant
The pressing of body but contact area is not up to standard；Logical fingerprint sensor 1 starts photo cell 3, and now photo cell 3 is used to obtain
Ambient light intensity so as to realize the judgement strong and weak to ambient light, to determine whether to light screen, when ambient light intensity be not more than it is pre-
If during threshold value, showing current environment for dark state, breath screen state is kept by control unit 2, when ambient light intensity is more than pre-
If during threshold value, showing that current environment, for bright state, screen is lighted by control unit 2.
During specific implementation, in the case where screen is for breath screen state, it is touched when fingerprint sensor is detected by fingerprint sensor 1
When, contact object is obtained by fingerprint sensor 1 first and contacts the area and pressure value of fingerprint sensor 1, and passed by fingerprint
Sense 1 judges whether whether area is more than preset area standard and judges pressure value more than preset pressure level, when judged face
Product is not more than preset area standard and pressure value and is more than preset pressure level, then by fingerprint sensor 1 send pressing signal to
Control unit；Then, start photo cell 3 after control unit 2 receives pressing signal and obtain ambient light intensity；Then lead to
Cross start photo cell 3 judge obtain ambient light intensity whether be more than predetermined threshold value, if ambient light intensity be not more than it is default
During threshold value, photo cell 3 sends low light signals to control unit 2；If ambient light intensity is more than predetermined threshold value, photo cell 3
Send high light signal to control unit 2；Finally, if control unit 2 receives low light signals, by the control flow of control unit 2
Curtain keeps breath screen state；If control unit 2 receives high light signal, screen is lighted by control unit 2.
The finger print detection device of the present embodiment includes fingerprint sensor, control unit and photo cell, fingerprint sensor
For when detect area that touching object is touched not reach preset area standard and pressure value reach preset pressure level when, pass through
Control unit starts whether photo cell detection ambient light intensity is dark condition, so as to realize effectively preventing under dark condition
Screen is lit during by mistaken touch, the impaired injury of caused human eyesight, and battery capacity loss；Improve battery durable
Power, lifts Consumer's Experience.
The embodiment two that a kind of finger print detection device of the present invention is provided, may refer to a kind of fingerprint detection dress shown in Fig. 4
The structural representation of the embodiment two of offer is provided；The present embodiment equally includes the structure shown in Fig. 4：
Fingerprint sensor 1, under in screen for breath screen state, when detecting touched, obtains contact object contact
Area and pressure value, and whether judge area more than preset area standard, judge whether pressure value is more than preset pressure level,
If judging, area is not more than preset area standard and pressure value is more than preset pressure level, sends pressing signal single to control
Unit；
Control unit 2, ambient light intensity is obtained for starting photo cell 3 after pressing signal is received；Receive weak
Screen is controlled to keep breath screen state after optical signal；Screen is lighted after receiving high light signal；
Whether photo cell 3, for obtaining ambient light intensity, and judge the ambient light intensity for obtaining more than predetermined threshold value,
Low light signals to control unit 2 are sent when judging that ambient light intensity is not more than predetermined threshold value；When judging that ambient light intensity is more than
High light signal to control unit 2 is sent during predetermined threshold value.
When the present embodiment is additionally operable to gather in advance fingerprint template data by fingerprint sensor 1, fingerprint sensor 1 is obtained
Whether fingerprint template contacts the area of fingerprint sensor 1, and judges area more than preset area standard, if it is not, then judging fingerprint
Template data collection failure.Wherein, fingerprint sensor 1 gathers successful fingerprint template data and will store in advance, and conduct
Fingerprint template data during unlocking screen for being matched with the finger print data for contacting object.
Preferably, the present embodiment is set as fingerprint sensor 1 for being touched object contact preset area standard
Gross area；As, the contact surface when object contact fingerprint sensor 1 is contacted can comprehensively cover fingerprint sensor, and fingerprint is passed
The area that sensor 1 obtains contact object contact fingerprint sensor 1 reaches preset area standard.
The purpose of the present embodiment in order in solving dark surrounds, the screen that false touch of the user to fingerprint sensor 1 is touched and caused
Curtain is lighted, the infringement and battery drain of the light of the screen caused by screen is lighted in dark surrounds to human eye；Generally, it is right
The area that the false touch of fingerprint sensor 1 is touched can be small compared with the area for normally contacting.So, the fingerprint sensor 1 of the present embodiment is obtained
To have contactant contact fingerprint sensor, and fingerprint sensor 1 when obtain contactant contact fingerprint sensor area it is little
When the pressure value of preset standard and contact fingerprint sensor is more than preset standard, i.e., fingerprint sensor 1 has detected contactant
The pressing of body but contact area is not up to standard；Logical fingerprint sensor 1 starts photo cell 3, and now photo cell 3 is used to obtain
Ambient light intensity so as to realize the judgement strong and weak to ambient light, to determine whether to light screen, when ambient light intensity be not more than it is pre-
If during threshold value, showing current environment for dark state, breath screen state is kept by control unit 2, when ambient light intensity is more than pre-
If during threshold value, showing that current environment, for bright state, screen is lighted by control unit 2.
Fingerprint sensor 1 is additionally operable to work as and judges area no more than preset area standard and pressure value no more than preset pressure mark
Standard, then send without pressing signal to control unit；
Control unit is additionally operable to the control screen when receiving without pressing signal and keeps breath screen state.
The present embodiment also by fingerprint sensor judge area be not more than preset area standard and pressure value be not more than it is default
Pressure criteria, the touch area and pressure value for indicating touching object to fingerprint sensor is smaller, it is believed that be user to refer to
Touching unintentionally for line sensor, does not carry out lighting the standard of screen, so now being sent without pressing signal by fingerprint sensor
To control unit, and control unit keeps breath screen state to being applied to the control screen when receiving without pressing signal, to reduce
The loss of battery.
Fingerprint sensor 1 is additionally operable to work as and judges that area is more than preset area standard and pressure value is more than preset pressure level
When, send Full connected signal to control unit 2；Then fingerprint sensor sends Full connected signal to control unit 2；
Control unit 2 is additionally operable to control screen to light after Full connected signal is received.
The present embodiment also judges area more than preset area standard by fingerprint sensor and pressure value is more than preset pressure
Standard, the touch area and pressure value for indicating touching object to fingerprint sensor is larger, also reaches preset standard, it is believed that
It is that the normal of user uses touch-control, so now sending Full connected signal to control unit by fingerprint sensor, and controls single
Unit is to being applied to when Full connected signal time point bright screen curtain is received, with the use of the equipment of opening, it is ensured that the normal of user is used.
During specific implementation, in the case where screen is for breath screen state, it is touched when fingerprint sensor is detected by fingerprint sensor 1
When, contact object is obtained by fingerprint sensor 1 first and contacts the area and pressure value of fingerprint sensor 1, and passed by fingerprint
Sense 1 judges whether whether area is more than preset area standard and judges pressure value more than preset pressure level, when judged face
Product is not more than preset area standard and pressure value and is more than preset pressure level, then by fingerprint sensor 1 send pressing signal to
Control unit；Then, start photo cell 3 after control unit 2 receives pressing signal and obtain ambient light intensity；Then lead to
Cross start photo cell 3 judge obtain ambient light intensity whether be more than predetermined threshold value, if ambient light intensity be not more than it is default
During threshold value, photo cell 3 sends low light signals to control unit 2；If ambient light intensity is more than predetermined threshold value, photo cell 3
Send high light signal to control unit 2；Finally, if control unit 2 receives low light signals, by the control flow of control unit 2
Curtain keeps breath screen state；If control unit 2 receives high light signal, screen is lighted by control unit 2；Additionally, when logical
Cross fingerprint sensor 1 and judge that area is not more than preset area standard and pressure value no more than preset pressure level, then fingerprint sensing
Device 1 is sent without pressing signal to control unit, correspondence, if control unit 2 is received without pressing signal, by control unit 2
Control screen keeps breath screen state；When judging area more than preset area standard and pressure value more than pre- by fingerprint sensor 1
If pressure criteria, then fingerprint sensor 1 sends Full connected signal to control unit 2, correspondence, if control unit 2 is received connecing entirely
Signal is touched, then controls screen to light by control unit 2.
The finger print detection device of the present embodiment includes fingerprint sensor, control unit and photo cell, for according to inspection
Survey touching object to touch the situation of fingerprint sensor and detect ambient light intensity in the case of corresponding touch, to determine that screen is
It is no to light；The impaired injury of human eyesight and electricity caused by screen is lit when under dark condition by mistaken touch can be avoided
The loss of tankage；Battery durable power is improved, Consumer's Experience is lifted.
The present invention provides a kind of embodiment of mobile terminal, and the present embodiment includes a kind of finger print detection device institute of the invention
The embodiment one or embodiment two of offer, particular content may refer to the reality that a kind of finger print detection device of the invention described above is provided
The explanation of example one or embodiment two is applied, is not repeated herein.
During specific implementation, the mobile terminal of the present embodiment includes the embodiment one or real that finger print detection device of the present invention is provided
Apply fingerprint sensor 1, control unit 2 and the photo cell 3 of example two；The present embodiment is to cease under screen state in screen, when by referring to
Line sensor 1 detect fingerprint sensor be touched when, first by fingerprint sensor 1 obtain contact object contact fingerprint sensing
The area and pressure value of device 1, and judge whether area is more than preset area standard and judges that pressure value is by fingerprint sensing 1
It is no more than preset pressure level, when judged area is not more than preset area standard and pressure value is more than preset pressure level, then
Pressing signal to control unit is sent by fingerprint sensor 1；Then, start after control unit 2 receives pressing signal
Photo cell 3 obtains ambient light intensity；Then whether the photo cell 3 by starting judges the ambient light intensity for obtaining more than pre-
If threshold value, if ambient light intensity is not more than predetermined threshold value, photo cell 3 sends low light signals to control unit 2；If ambient light
When intensity is more than predetermined threshold value, photo cell 3 sends high light signal to control unit 2；Finally, if control unit 2 receive it is weak
Optical signal, then control screen to keep breath screen state by control unit 2；If control unit 2 receives high light signal, by control
Unit processed 2 lights screen；If in addition, when the mobile terminal of the present embodiment includes the embodiment that finger print detection device of the present invention is provided
When two, the specific implementation of the present embodiment also include：When by fingerprint sensor 1 judge area be not more than preset area standard and
Pressure value is not more than preset pressure level, then fingerprint sensor 1 is sent without pressing signal to control unit, correspondence, if control is single
Unit 2 is received without pressing signal, then control screen to keep breath screen state by control unit 2；Judge when by fingerprint sensor 1
Area is more than preset area standard and pressure value is more than preset pressure level, then fingerprint sensor 1 sends Full connected signal to control
Unit processed 2, correspondence, if control unit 2 receives Full connected signal, controls screen to light by control unit 2.
The present embodiment mobile terminal compared with prior art, as a result of a kind of implementation of finger print detection device of the invention
Example one or embodiment two, can avoid the impaired wound of human eyesight caused by screen is lit when under dark condition by mistaken touch
The loss of evil and battery capacity；So that the battery durable ability of the mobile terminal of the present embodiment is stronger, and provide the user more
Good experience.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (9)
1. a kind of fingerprint detection method, it is characterised in that including：
In the case where screen is for breath screen state, when detecting fingerprint sensor and being touched, is obtained by the fingerprint sensor and contacted
Object contacts the area and pressure value of the fingerprint sensor；
Judge that whether the area, more than preset area standard, is judged by the fingerprint sensor by the fingerprint sensor
Whether the pressure value is more than preset pressure level, if judging that the area is not more than preset area by the fingerprint sensor
Standard and the pressure value are more than preset pressure level, then the fingerprint sensor sends pressing signal to control unit；
Described control unit starts photo cell and obtains ambient light intensity after the pressing signal is received；
Whether the ambient light intensity for obtaining is judged more than predetermined threshold value by the photo cell, if the ambient light intensity
No more than predetermined threshold value when, the photo cell sends low light signals to described control unit；If the ambient light intensity is more than
During predetermined threshold value, the photo cell sends high light signal to described control unit；
If described control unit receives the low light signals, the screen is controlled to keep breath screen shape by described control unit
State；
If described control unit receives the high light signal, the screen is lighted by described control unit.
2. a kind of fingerprint detection method as claimed in claim 1, it is characterised in that the fingerprint detection method also includes：
If by the fingerprint sensor judge the area be not more than preset area standard and the pressure value be not more than it is default
Pressure criteria, then the fingerprint sensor transmission is without pressing signal to described control unit；
If described control unit is received without pressing signal, the screen is controlled to keep breath screen shape by described control unit
State.
3. a kind of fingerprint detection method as claimed in claim 2, it is characterised in that the fingerprint detection method also includes：
If judging the area more than preset area standard by the fingerprint sensor and the pressure value being more than preset pressure
Standard, then the fingerprint sensor send Full connected signal to described control unit；
If described control unit receives the Full connected signal, the screen is controlled to light by described control unit.
4. a kind of fingerprint detection method as claimed in claim 1, it is characterised in that the fingerprint detection method also includes：
When gathering fingerprint template data in advance by the fingerprint sensor, the fingerprint sensor obtains the fingerprint template and connects
The area of the fingerprint sensor is touched, and whether judges the area more than preset area standard, if it is not, then judging the fingerprint
Template data collection failure.
5. a kind of finger print detection device, it is characterised in that including：
Fingerprint sensor, under in screen for breath screen state, when detecting touched, obtains the area of contact object contact
And pressure value, and whether the area is judged more than preset area standard, judge the pressure value whether more than preset pressure mark
Standard, if judging the area no more than preset area standard and the pressure value more than preset pressure level, sends pressing letter
Number to described control unit；
Control unit, ambient light intensity is obtained for starting photo cell after the pressing signal is received；Receive described
The screen is controlled to keep breath screen state after low light signals；The screen is lighted after receiving the high light signal；
Whether photo cell, for obtaining the ambient light intensity, and judge the ambient light intensity for obtaining more than default threshold
Value, low light signals to described control unit are sent when judging that the ambient light intensity is not more than predetermined threshold value；It is described when judging
Ambient light intensity sends high light signal to described control unit when being more than predetermined threshold value.
6. a kind of finger print detection device as claimed in claim 5, it is characterised in that the fingerprint sensor is additionally operable to when judging
The area is not more than preset area standard and the pressure value no more than preset pressure level, then send without pressing signal to institute
State control unit；
Described control unit is additionally operable to control the screen to keep breath screen state when receiving without pressing signal.
7. a kind of finger print detection device as claimed in claim 6, it is characterised in that the fingerprint sensor is additionally operable to when judging
When the area is more than preset pressure level more than preset area standard and the pressure value, Full connected signal to the control is sent
Unit processed；Then the fingerprint sensor sends Full connected signal to described control unit；
Described control unit is additionally operable to control the screen to light after the Full connected signal is received.
8. a kind of finger print detection device as claimed in claim 5, it is characterised in that the fingerprint sensor is additionally operable to adopt in advance
During collection fingerprint template data, obtain the fingerprint template and contact the area of the fingerprint sensor, and whether judge the area
More than preset area standard, if it is not, then judging the fingerprint template data acquisition failure.
9. a kind of mobile terminal, it is characterised in that including the finger print detection device described in any one of claim 5~8.
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| CN201710009719.5A CN106873849B (en) | 2017-01-06 | 2017-01-06 | Detection method and device for preventing screen false triggering and mobile terminal |
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| CN201710009719.5A CN106873849B (en) | 2017-01-06 | 2017-01-06 | Detection method and device for preventing screen false triggering and mobile terminal |
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| CN109558772A (en) * | 2017-09-26 | 2019-04-02 | 敦泰电子有限公司 | A kind of method, apparatus of fingerprint recognition, terminal and computer readable storage medium |
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| WO2020093355A1 (en) * | 2018-11-09 | 2020-05-14 | 深圳市汇顶科技股份有限公司 | Liquid crystal display fingerprint module, fingerprint recognition method, electronic device and storage medium |
| CN111782079A (en) * | 2020-06-23 | 2020-10-16 | 北京集创北方科技股份有限公司 | A startup method, apparatus, electronic device and storage medium |
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