CN108846313A - Electronic device and its fingerprint identification method - Google Patents
Electronic device and its fingerprint identification method Download PDFInfo
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- CN108846313A CN108846313A CN201810425182.5A CN201810425182A CN108846313A CN 108846313 A CN108846313 A CN 108846313A CN 201810425182 A CN201810425182 A CN 201810425182A CN 108846313 A CN108846313 A CN 108846313A
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- fingerprint recognition
- electrode unit
- electronic device
- fingerprint
- polaroid
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/163—Wearable computers, e.g. on a belt
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
Abstract
The application provides a kind of electronic device, including processor, display screen component and fingerprint recognition inductor, display screen component includes at least display panel, polaroid and cover sheet, polaroid is stacked on a display panel, cover sheet is stacked on polaroid, display panel is arranged in towards on the side of polaroid in fingerprint recognition inductor, fingerprint recognition inductor includes n column emission electrode unit and m row receiving electrode unit arranged in a crossed manner, the electric field induction that is formed between n column emission electrode unit and m row receiving electrode unit and when generating fingerprint recognition signal, processor is according to fingerprint recognition signal identification fingerprint.The application also provides a kind of fingerprint identification method.The fingerprint recognition sensor structure of the application is simple, identifies sensitiveer quick.
Description
Technical field
This application involves fingerprint identification technology field, in particular to a kind of electronic device and its fingerprint identification method.
Background technique
Screen has become the new trend of electronic device evolution instantly comprehensively, and fingerprint identification technology is also that electronic device is indispensable
A technology, for example, fingerprint identification technology can be used for unlocking screen, payment etc..However, existing fingerprint recognition inductor
It is generally located on Home key, Home key occupies the more space that electronic device has the one side of display screen, cannot be maximized
Improve screen accounting.
Summary of the invention
The application provides a kind of electronic device and its fingerprint identification method, to solve the above problems.
A kind of electronic device provided by the present application, including processor, display screen component and fingerprint recognition inductor, the place
It manages device to be electrically connected with the display screen component and the fingerprint recognition inductor respectively, the display screen component includes at least aobvious
Show that panel, polaroid and cover sheet, the polaroid are stacked on said display panel, the cover sheet stacking is set
It sets on the polaroid, the display panel is arranged in towards on the side of the polaroid in the fingerprint recognition inductor,
The fingerprint recognition inductor includes n column emission electrode unit and m row receiving electrode unit arranged in a crossed manner, the n column transmitting
The electric field induction that is formed between electrode unit and the m row receiving electrode unit and when generating fingerprint recognition signal, the processing
Device is according to the fingerprint recognition signal identification fingerprint.
A kind of fingerprint identification method provided by the present application is applied to electronic device, and the electronic device includes display screen group
Part and fingerprint recognition inductor, the display screen component include at least display panel, polaroid and cover sheet, the polaroid
It is stacked on said display panel, the cover sheet is stacked on the polaroid, the fingerprint recognition induction
The display panel is arranged in towards on the side of the polaroid in device, and the fingerprint recognition inductor includes n arranged in a crossed manner
Column emission electrode unit and m row receiving electrode unit, between the n column emission electrode unit and the m row receiving electrode unit
Electric field is formed, the fingerprint identification method includes step:The electric field is approached a finger of the fingerprint recognition inductor
The protrusion of fingerprint corresponding position or gully are changed, and generate fingerprint recognition signal；And the response fingerprint recognition signal, and root
Change according to the electric field in the fingerprint recognition signal and determines that the corresponding position is raised or gully, it is described several raised and several
It successively combines and forms fingerprint image in gully.
The electronic device and its fingerprint identification method of the application, the fingerprint recognition inductor are arranged in the display panel
Towards on the side of the polaroid, the fingerprint recognition inductor includes that n column emission electrode unit and m row arranged in a crossed manner connect
Electrode unit is received, the electric field induction and generation formed between the n column emission electrode unit and the m row receiving electrode unit refers to
When line identification signal, the processor is according to the fingerprint recognition signal identification fingerprint.To the fingerprint recognition inductor knot
Structure is simple, identifies sensitiveer quick.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the application, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the module diagram of the electronic device in one embodiment of the application.
Fig. 2 is the cross section structure schematic diagram of the members of the electronic device in one embodiment of the application.
Fig. 3 is the disassemblying structure schematic diagram of the members of the electronic device in one embodiment of the application.
Fig. 4 is the structural schematic diagram of the fingerprint recognition inductor of the electronic device in one embodiment of the application.
Fig. 5 is the fingerprint recognition inductor of the electronic device in one embodiment of the application and the connection schematic diagram of processor.
Fig. 6 is the structural schematic diagram of the fingerprint recognition inductor identification fingerprint of the electronic device in one embodiment of the application.
Fig. 7 is the flow diagram of the fingerprint identification method of the electronic device in one embodiment of the application.
Main element symbol description
The application that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are explicitly described, it is clear that described embodiment is only the application
The embodiment of a part, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present application.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " and " third " etc. are
For distinguishing different objects, not for description particular order.In addition, term " includes " and their any deformations, it is intended that
Non-exclusive include in covering.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally further comprising
For the intrinsic other step or units of these process, methods, product or equipment.
Referring to Fig. 1, Fig. 1 is the module diagram of electronic device 1 in one embodiment of the application.It is described in the present embodiment
Electronic device 1 is mobile phone.It is understood that in other embodiments, the electronic device 1 can also be tablet computer, electronic reading
Device, wearable electronic equipment etc. have the electronic equipment of display and fingerprint identification function, herein without limitation.In the present embodiment,
The electronic device 1 is the electronic device that cannot be bent of hard-board type.It is understood that in other embodiments, the electronic device 1
It can also be the electronic device flexible that can be bent, can also be the electronic device etc. with folder function, do not limit herein
It is fixed.
The electronic device 1 includes processor 11, display screen component 15 and fingerprint recognition inductor 17.The processor 11
It is electrically connected respectively with the display screen component 15 and fingerprint recognition inductor 17.The fingerprint recognition inductor 17 is arranged in institute
It states in display screen component 15.The fingerprint recognition inductor 17 is used to incude the fingerprint for using and identifying user.The processor 11
Corresponding control is executed according to the finger print data of user, for example, unlocking screen, payment by the transfer of accounts etc..
The electronic device 1 further includes memory 13.The various numbers of the electronic device 1 are stored in the memory 13
According to for example, system program, application program, finger print data of typing etc..
It is the schematic cross-section of display screen component 15 in one embodiment of the application, Fig. 3 please also refer to Fig. 2 and Fig. 3, Fig. 2
For the dismantling schematic diagram of display screen component 15 in one embodiment of the application.The display screen component 15 includes at least display panel
151, polaroid 153 and cover sheet 155.The polaroid 153 is stacked on the display panel 151.The protection
Cover board 155 is stacked on the polaroid 153.The fingerprint recognition inductor 17 is arranged in 151 court of display panel
To on the side of the polaroid 153, the fingerprint recognition inductor 17 includes n column emission electrode unit 1711 arranged in a crossed manner
(as shown in Figure 5) and m row receiving electrode unit 1751 (as shown in Figure 5), the n column emission electrode unit 1711 and the m row
The electric field induction that is formed between receiving electrode unit 1751 and when generating fingerprint recognition signal, the processor 11 is according to the finger
Line identification signal identifies fingerprint.
To since the fingerprint recognition inductor 17 includes that n column emission electrode unit 1711 and m row arranged in a crossed manner connect
Electrode unit 1751 is received, therefore, compared with traditional fingerprint recognition inductor, what can be done is more frivolous, smaller.
Further, it is corresponded on the cover sheet 155 and is provided with fluting on the position of the fingerprint recognition inductor 17
1551.The thickness that the fluting 1551 is located at the cover sheet 155 at the fluting 1551 is less than at other positions
Thickness meets the fingerprint recognition sense so that the thickness that the electric field that the fingerprint recognition inductor 17 generates need to penetrate becomes smaller
Requirement of the device 17 to thickness of glass is penetrated is answered, fingerprint recognition is sensitiveer quick.
Further, the fluting 1551 runs through the cover sheet 155, so that the fingerprint recognition inductor 17
The thickness of the polaroid 153 is only spaced between user fingerprints.To which the electric field that the fingerprint recognition inductor 17 generates is only
The polaroid 153 need to be penetrated, meets requirement of the fingerprint recognition inductor 17 to thickness of glass is penetrated, fingerprint recognition is more
It is sensitive quick.
Specifically, the cover sheet 155 is cover-plate glass.The fluting 1551 is opened up on the cover sheet 155
Technique can be but not limited to laser cutting, milling machine milling, wire cutting etc..
Specifically, the display panel 151 includes display area A1 and non-display area A2.The non-display area A2 encloses
It is arranged around the display area A1.The cover sheet 155 has the first area D1 and correspondence of the corresponding display area A1
The second area D2 of the non-display area A2.It is by the boundary-defining taxon between the first area D1 and the second area D2
Boundary line D3, the fluting 1551 is arranged in the first area D1 and the edge of the fluting 1551 and the boundary line D3
It coincides.
Further, the boundary line D3 is located at when user holds and uses the electronic device 1 close to user's body
Side.
Further, the display panel 151 includes luminescent layer 1513 and filter layer 1515.The filter layer 1515 is laminated
It is arranged on the luminescent layer 1513.The plating of fingerprint recognition inductor 17 is located at the filter layer 1515 away from the luminescent layer
On 1513 side.The polaroid 153 is stacked on the fingerprint recognition inductor 17.
Further, the display screen component 15 further includes thin film transistor array layer 157.The thin film transistor (TFT) array
Layer 157, which is stacked, deviates from the side of the filter layer 113 in the luminescent layer 1513.The thin film transistor array layer 157
For driving the luminescent layer 1513 to shine.
Specifically, the plating of the fingerprint recognition inductor 17 sets technique as physical vapor deposition method or chemical meteorology deposition
Method.
Please also refer to Fig. 4, the fingerprint recognition inductor 17 includes the first pattern layer 171, separation layer 173 and the second figure
Pattern layer 175.Wherein, first pattern layer 171 is arranged adjacent to the green light layer 113, and second pattern layer 175 is neighbouring described
Polaroid 153 is arranged.The separation layer 173 is arranged between first pattern layer 171 and second pattern layer 175.Institute
It states separation layer 173 and plays electrical isolation buffer action between first pattern layer 171 and second pattern layer 175.
Specifically, please also refer to Fig. 5, first pattern layer 171 and second pattern layer 175 are using indium oxide
Tin plates several electrode units set.The separation layer 173 is the electric insulation layer made of silicon nitride material.
Specifically, the n column emission electrode unit 1711 is provided in first pattern layer 171.Second pattern
The m row receiving electrode unit 1751 is provided on layer 175.The n column emission electrode unit 1711 and the m row receiving electrode
Projection of the unit 1751 on a horizontal plane M is arranged in a crossed manner.The electric wave that the emission electrode unit 1711 emits by with the hair
The adjacent receiving electrode unit 1751 of radio pole unit 1711 is received to form electric field.The electric field can protrude into institute by one
It states the finger print in the fluting 1551 of cover sheet 155 and changes and generate corresponding fingerprint recognition signal, for referring to
Line identification, wherein the horizontal plane M and first pattern layer 171, the separation layer 173 and 175 phase of the second pattern layer
In parallel, n and m is the integer greater than 0.
Pass through the first connecting line between the two neighboring emission electrode unit 1711 of emission electrode unit 1711 described in each column
1713 are electrically connected.Pass through between the adjacent receiving electrode unit 1751 of any two of receiving electrode unit 1751 described in every row
Second connecting line 1753 is electrically connected.
Specifically, i-th column any one of emission electrode unit 1711 be located at the i-th row it is two adjacent described in connect
It receives between electrode unit 1751, wherein i is the integer less than n or m.
Specifically, in one embodiment, the emission electrode unit 1711 and the receiving electrode unit 1751 are in respectively
Square shape.Specifically, the size of the emission electrode unit 1711 and the receiving electrode unit 1751 is respectively positioned on
In 20um*20um to 50um*50um range.
Specifically, in one embodiment, any two adjacent the emission electrode unit 1711 and the receiving electrode
Spaced set between unit 1751, and the size range being spaced is 5um to 10um.
It is identified please also refer to the fingerprint recognition inductor 17 that Fig. 6, Fig. 6 are the electronic devices 1 in one embodiment of the application
The structural schematic diagram of fingerprint 21.Wherein, the fingerprint 21 of finger 2 includes corium 211 and epidermis 213.Wherein, corium 211 and epidermis
213 be in convex-concave shape.Epidermis 213 has protrusion 2131 and gully 2133.When the fingerprint 21 of finger 2 is close to fingerprint recognition inductor
When 17, the geometry electric field that is generated between the emission electrode unit 1711 and receiving electrode unit 1751 of fingerprint recognition inductor 17
1715 are destroyed by the protrusion 2131 of corresponding position or gully 2133 respectively, also, the corresponding electricity of protrusion 2131 and gully 2133
The destruction of field is different.Therefore, processor 11 can determine that the position is convex according to different situations of each position to the destruction of electric field
2131 or gully 2133 are played, and after determining each position for protrusion 2131 or gully 2133, according to described several convex
Rise 2131 and several gullies 2133 successively combine and form fingerprint image.
Referring to Fig. 7, for the flow chart of the fingerprint identification method in one embodiment of the application.The fingerprint identification method is answered
For electronic device 1, execution sequence is not limited to sequence shown in Fig. 7.A kind of fingerprint identification method is applied to electronic device
1.The display panel 151 is arranged in towards on the side of the polaroid 153 in the fingerprint recognition inductor 17, the fingerprint
Identify that inductor 17 includes n column emission electrode unit 1711 and m row receiving electrode unit 1751 arranged in a crossed manner, the n column hair
The electric field induction that is formed between radio pole unit 1711 and the m row receiving electrode unit 1751 simultaneously generates fingerprint recognition signal
When, the processor 11 is according to the fingerprint recognition signal identification fingerprint.The fingerprint identification method includes step：
Step 710, electric field be approached the fingerprint corresponding position of a finger of the fingerprint recognition inductor 17 protrusion or
Gully is changed, and generates fingerprint recognition signal.
Specifically, when the fingerprint recognition inductor 17 is close by the finger 2 of a user, the fingerprint recognition inductor
The 17 several electric fields generated are changed by the protrusion 2131 of 21 corresponding position of fingerprint of the finger 2 or gully 2133, and generate
Fingerprint recognition signal.
Step 720, changed according to the electric field in the fingerprint recognition signal and determine that the corresponding position is raised or gully,
Several protrusions and several gullies, which are successively combined, forms fingerprint image.
Specifically, the processor 11 responds the fingerprint recognition signal, and according to the electricity in the fingerprint recognition signal
Change determine the corresponding position be protrusion 2131 or gully 2133, described several raised 2131 and several gullies 2133 successively
Combination forms fingerprint image.
It should be noted that for simple description, therefore, it is stated as a systems for each embodiment of the method above-mentioned
The combination of actions of column, but those skilled in the art answer it is described know, the application is not limited by the described action sequence,
Because certain some step can be performed in other orders or simultaneously according to the application.Secondly, those skilled in the art also answer
Described to know, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily
Necessary to the application.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, reference can be made to the related descriptions of other embodiments.
Step in the embodiment of the present application method can be sequentially adjusted, merged and deleted according to actual needs.
Electronic device, display screen component and fingerprint identification method provided by the present application, the display screen component include at least
Display panel, polaroid and cover sheet, the polaroid are stacked on said display panel, the cover sheet stacking
It is arranged on the polaroid, the display panel sets a fingerprint recognition inductor for plating towards the side of the polaroid,
It is corresponded on the cover sheet and is provided with fluting on the position of the fingerprint recognition inductor, the fluting is so that the fingerprint is known
The other thickness that the polaroid is only spaced between inductor and user fingerprints, thus, the electricity that the fingerprint recognition inductor generates
Field only needs to penetrate the polaroid, meets requirement of the fingerprint recognition inductor to thickness of glass is penetrated, fingerprint recognition is more
It is sensitive quick.
Wherein, the processor 11 can be central processing unit (Central Processing Unit, CPU), may be used also
To be other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng the processor is the control centre of the electronic device 1, utilizes the entire electronic device of various interfaces and connection
1 various pieces.
It is understood that the memory 13 is particularly used in the storage computer program and/or module, the processor 11
By running or execute the computer program being stored in the memory 13 and/or module, and calls and be stored in memory
Data in 13 realize the various functions of the electronic device 1.The memory 13 can mainly include storing program area and storage
Data field, wherein storing program area can application program needed for storage program area, multiple functions (such as sound-playing function,
Image player function etc.) etc.；Storage data area, which can be stored, uses created data (such as audio data, electricity according to mobile phone
Script for story-telling etc.) etc..In addition, the memory 13 may include high-speed random access memory, it can also include non-volatile memories
Device, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card), multiple disk memories, flush memory device or other volatile solid-states are deposited
Memory device.
It is the embodiment of the embodiment of the present application above, it is noted that those skilled in the art are come
It says, under the premise of not departing from the embodiment of the present application principle, several improvements and modifications can also be made, these improvements and modifications
It is considered as the protection scope of the application.
Claims (14)
1. a kind of electronic device, which is characterized in that the electronic device includes processor, display screen component and fingerprint recognition induction
Device, the processor are electrically connected with the display screen component and the fingerprint recognition inductor respectively, the display screen component
Including at least display panel, polaroid and cover sheet, the polaroid is stacked on said display panel, the protection
Cover board is stacked on the polaroid, and fingerprint recognition inductor setting is in the display panel towards the polaroid
Side on, the fingerprint recognition inductor includes n column emission electrode unit and m row receiving electrode unit arranged in a crossed manner, institute
When stating the electric field induction formed between n column emission electrode unit and the m row receiving electrode unit and generating fingerprint recognition signal,
The processor is according to the fingerprint recognition signal identification fingerprint.
2. electronic device according to claim 1, which is characterized in that correspond to the fingerprint recognition sense on the cover sheet
It answers and is provided with fluting on the position of device, the fluting is so that the cover sheet is located at the thickness at the fluting less than other positions
Set the thickness at place.
3. electronic device according to claim 2, which is characterized in that the fluting runs through the cover sheet.
4. electronic device according to claim 2, which is characterized in that the area of the fluting and the fingerprint recognition incude
The area of device and equal sized.
5. electronic device according to claim 2, which is characterized in that the display panel includes display area and non-display
Region, the non-display area are arranged around the display area, and the cover sheet has the of the corresponding display area
The second area in one region and the corresponding non-display area, the boundary line between the first area and the second area is determined
Justice is boundary line, and the fluting is arranged in the first area and the edge of the fluting coincides with the boundary line.
6. electronic device according to claim 5, which is characterized in that the display panel luminescent layer and filter layer, it is described
Filter layer is stacked on the light-emitting layer, and the fingerprint recognition inductor plating is located at the filter layer away from the luminescent layer
Side on, the polaroid is stacked on the fingerprint recognition inductor.
7. electronic device according to claim 6, which is characterized in that the display screen component further includes thin film transistor (TFT) battle array
Column layer, the thin film transistor array layer, which is stacked, deviates from the side of the filter layer in the luminescent layer, and the film is brilliant
Body pipe array layer is for driving the luminescent layer to shine.
8. electronic device according to claim 1, which is characterized in that the fingerprint recognition inductor includes the first pattern
Layer, separation layer and the second pattern layer, the separation layer is arranged between first pattern layer and second pattern layer, described
It is provided with the n column emission electrode unit in first pattern layer, the m row receiving electrode list is provided in second pattern layer
Member, the projection of the n column emission electrode unit and the m row receiving electrode unit on a horizontal plane is arranged in a crossed manner, the hair
The electric wave of radio pole unit transmitting is received by the receiving electrode unit adjacent with the emission electrode unit to form electric field,
The electric field can be changed and be generated corresponding by the fingerprint for the user's finger that one protrudes into the fluting of the cover sheet
Fingerprint recognition signal, to be used for fingerprint recognition, wherein the horizontal plane and first pattern layer, the separation layer and described
Second pattern layer is parallel, and n and m are the integer greater than 0.
9. electronic device according to claim 8, which is characterized in that any two of each column emission electrode unit are adjacent
It is electrically connected between emission electrode unit by the first connecting line, the adjacent reception electricity of any two of every row receiving electrode unit
It is electrically connected between pole unit by the second connecting line.
10. electronic device according to claim 8, which is characterized in that any one of emission electrode unit of the i-th column
Between two adjacent receiving electrode units of the i-th row, wherein i is the integer less than n.
11. electronic device according to claim 8, which is characterized in that the emission electrode unit and the receiving electrode
Unit has a rectangular shape respectively, and the size of the emission electrode unit and the receiving electrode unit is respectively positioned on 20um*
In 20um to 50um*50um range.
12. electronic device according to claim 11, which is characterized in that the adjacent emission electrode unit of any two
The spaced set between the receiving electrode unit, and the size range being spaced is 5um to 10um.
13. electronic device according to claim 1, which is characterized in that the plating of the fingerprint recognition inductor set technique as
Physical vapor deposition method or chemical meteorology deposition method.
14. a kind of fingerprint identification method is applied to electronic device, the electronic device includes display screen component and fingerprint recognition sense
Device is answered, the display screen component includes at least display panel, polaroid and cover sheet, and the polaroid is stacked described
On display panel, the cover sheet is stacked on the polaroid, and the fingerprint recognition inductor setting is described aobvious
Show panel towards on the side of the polaroid, the fingerprint recognition inductor includes n column emission electrode unit arranged in a crossed manner
With m row receiving electrode unit, electric field, the finger are formed between the n column emission electrode unit and the m row receiving electrode unit
Line recognition methods includes step:
The electric field is approached the protrusion of the fingerprint corresponding position of a finger of the fingerprint recognition inductor or gully is changed,
And generate fingerprint recognition signal；And
The fingerprint recognition signal is responded, and is changed according to the electric field in the fingerprint recognition signal and determines that the corresponding position is convex
It rises or gully, several protrusions and several gullies successively combines and form fingerprint image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425182.5A CN108846313A (en) | 2018-05-03 | 2018-05-03 | Electronic device and its fingerprint identification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810425182.5A CN108846313A (en) | 2018-05-03 | 2018-05-03 | Electronic device and its fingerprint identification method |
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| CN108846313A true CN108846313A (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810425182.5A Pending CN108846313A (en) | 2018-05-03 | 2018-05-03 | Electronic device and its fingerprint identification method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110298251A (en) * | 2019-05-28 | 2019-10-01 | Oppo广东移动通信有限公司 | Fingerprint display panel and electronic device |
| CN110308816A (en) * | 2019-05-28 | 2019-10-08 | Oppo广东移动通信有限公司 | Fingerprint display panel and electronic device |
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