CN108475334A - Fingerprint identification device and terminal device - Google Patents
Fingerprint identification device and terminal device Download PDFInfo
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- CN108475334A CN108475334A CN201780005669.1A CN201780005669A CN108475334A CN 108475334 A CN108475334 A CN 108475334A CN 201780005669 A CN201780005669 A CN 201780005669A CN 108475334 A CN108475334 A CN 108475334A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06V40/1382—Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A kind of device and terminal device of fingerprint recognition, the device of the fingerprint recognition include：First coating (110), live body sensing module (120), fingerprint identification module (130) and circuit board (140)；The first coating (110) is located at the top layer of the fingerprint identification device, between the first coating (110) and the circuit board (140), the circuit board (140) is located at the lowest level of the fingerprint identification device for the live body sensing module (120) and the fingerprint identification module (130)：The first coating (110), for protecting the fingerprint identification device；The live body sensing module (120), the vital sign parameter signal for obtaining fingerprint carrier:The fingerprint identification module (130) is used for：The finger print information on the fingerprint carrier is obtained, according to the finger print information and the vital sign parameter signal, determines fingerprint recognition result；The circuit board (140), is used for transmission the fingerprint recognition result.The device of the fingerprint recognition, can detect the finger print information that gets whether be live body finger print information, there is higher safety and confidentiality.
Description
Technical field
The invention relates to technical field of biometric identification, and more particularly, to fingerprint identification device and terminal
Equipment.
Background technology
With the fast development of smart mobile phone and mobile Internet, fingerprint identification technology also starts on mobile phone rapidly general
And fingerprint identification technology is better than other human body biometrics identification technologies, is especially protecting secret, is safeguarding privacy and property safety
Aspect plays significant role.Numerous fingerprint identification technologies are mainly identified and match to finger print information currently on the market, but
But the finger print information that the finger print information got is live body can not be detected.It at present can be by the finger print information that will extract
It is replicated in obtain on the material with certain dielectric constant and forges finger print information, cause fingerprint identification device that there is lower safety
Property and confidentiality, the life application demand of current consumer and experience cannot be met.
Invention content
A kind of fingerprint identification device of the application offer and terminal device, can detect whether the finger print information got is living
The finger print information of body has higher safety and confidentiality, disclosure satisfy that life application demand and the experience of current consumer.
In a first aspect, a kind of fingerprint identification device is provided, including：First coating, live body sensing module, fingerprint recognition mould
Block and circuit board；The first coating is located at the top layer of the fingerprint identification device, the fingerprint identification module and the work
For body sensing module between the first coating and the circuit board, the circuit board is located at the fingerprint identification device most
Lower layer；The first coating, for protecting the fingerprint identification device；The live body sensing module, for obtaining fingerprint carrier
Vital sign parameter signal；The fingerprint identification module is used for：The finger print information on the fingerprint carrier is obtained, according to described
Finger print information and the vital sign parameter signal, determine fingerprint recognition result；The circuit board is used for transmission the fingerprint and knows
Other result.
According to the fingerprint identification module in the fingerprint identification device of the embodiment of the present application according to the finger print information that gets and
The vital sign parameter signal for the fingerprint carrier that live body sensing module is got, determines fingerprint recognition result so that fingerprint recognition
Device can judge the finger print information got whether be live body finger print information, have higher safety and confidentiality, energy
Enough meet life application demand and the experience of current consumer.
Optionally, fingerprint identification module is fingerprint recognition chip.
It is understood that circuit board is other than being used for transmission fingerprint recognition result, moreover it is possible to play and reinforce fingerprint recognition dress
The function of setting.
With reference to first aspect, in a kind of realization method of first aspect, the live body sensing module includes：Light emitting
Device, for emitting optical signal；Optical receiver, for receiving from the reflected optical signal of fingerprint carrier, and according to described
Optical signal generates the vital sign parameter signal.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, the optical transmitting set,
The optical receiver and the fingerprint identification module are integrally disposed.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, the first coating
Dielectric constant be greater than or equal to 3；And/or the thickness of the first coating is greater than or equal to 5 microns, and the first coating
Thickness be less than or equal to 100 microns；And/or the first coating is one kind in llowing group of materials：Polyurethane, acrylic acid, ring
Oxygen resin, acrylic compound, petchem, fluoride, silicide, organic film；And/or the first coating is logical
It crosses coating or silk-screen mode generates.
Since the dielectric constant of first coating is greater than or equal to 3, the thickness of first coating is between 5-100 microns so that
First coating has preferable signal penetration capacity, to make fingerprint identification device have higher identification sensitivity.
Also, the thickness of first coating is in micron dimension so that fingerprint identification device has smaller thickness.
With reference to first aspect and its above-mentioned realization method further includes in another realization method of first aspect：At least one
Layer second coating, at least one layer second coating is located at below the first coating, and is located at the live body sensing module
The upper surface of with the fingerprint identification module；At least one layer second coating, for making the fingerprint identification device that target be presented
Color.
Optionally, second coating is skin of paint, enables to the appearance color diversification of fingerprint identification device.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, at least one layer
The dielectric constant of every layer of second coating is greater than or equal to 3 in second coating；And/or every layer at least one layer of second coating
The thickness of second coating is greater than or equal to 5 microns, and the thickness of the second coating is less than or equal to 100 microns；And/or institute
It is one kind in llowing group of materials to state every layer of second coating at least one layer of second coating：Polyurethane, acrylic acid, epoxy resin, Asia
Gram force compound, petchem, fluoride, silicide, organic film；And/or every layer at least one layer of second coating
Second coating is generated by coating or silk-screen mode.
With reference to first aspect and its above-mentioned realization method further includes in another realization method of first aspect：Third applies
Layer, the third coating is located at below at least one layer of second coating, and is located at the live body sensing module and the finger
The upper surface of line identification module；The third coating, in conjunction at least one layer of second coating and the live body sensing module
With the fingerprint identification module.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, the third coating
Dielectric constant be greater than or equal to 3；And/or the thickness of the third coating is greater than or equal to 5 microns, and the third coating
Thickness be less than or equal to 100 microns；And/or the third coating is one kind in llowing group of materials：Polyurethane, acrylic acid, ring
Oxygen resin, acrylic compound, petchem, fluoride, silicide, organic film；And/or the third coating is logical
It crosses coating or silk-screen mode generates.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, the first coating
Appearance characteristics be following appearance characteristics in one kind：Polyurethane PU type, ultraviolet light UV curing types, dumb light, bloom and texture.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, the optical transmitting set
For light emitting diode；And/or the optical receiver is photosensitive sensor.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, the optical transmitting set
The wavelength of the optical signal of transmitting is greater than or equal to 850nm.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, the circuit board is
Flexible PCB.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, in the life entity
Sign parameter signal, which characterizes the fingerprint carrier, is live body and when the finger print information is matched with registering fingerprint information, the fingerprint knowledge
Other result is fingerprint recognition success.
With reference to first aspect and its above-mentioned realization method, in another realization method of first aspect, the vital sign
The corresponding vital sign parameter of parameter signal is heart rate or blood oxygen.
Second aspect provides a kind of terminal device, includes any possible realization side of first aspect or first aspect
Fingerprint identification device in formula.
Description of the drawings
Fig. 1 is the sectional view according to the fingerprint identification device of the embodiment of the present application.
Fig. 2 is the sectional view according to the fingerprint identification device of another embodiment of the application.
Fig. 3 is the sectional view according to the fingerprint identification device of the application another embodiment.
Fig. 4 is the sectional view according to the fingerprint identification device of the application another embodiment.
Fig. 5 is the sectional view according to the fingerprint identification device of the application another embodiment.
Fig. 6 is the schematic diagram according to the terminal device of the embodiment of the present application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes.
In the description of the embodiment of the present application, the indicating positions such as term " above ", " following " or position relationship are based on attached
Orientation or positional relationship shown in figure.
In the embodiment of the present application, terminal device can be mobile phone, tablet computer, laptop, e-book, mobile station
Etc. equipment, the embodiment of the present application this is not construed as limiting.
Fig. 1 shows the fingerprint identification device according to the embodiment of the present application.As shown in Figure 1, fingerprint identification device 100 wraps
It includes：
First coating 110, live body sensing module 120, fingerprint identification module 130 and circuit board 140；
The first coating 110 is located at the top layer of the fingerprint identification device 100,120 He of live body sensing module
For the fingerprint identification module 130 between the first coating 110 and the circuit board 140, the circuit board 140 is located at institute
State the lowest level of fingerprint identification device 100；
The first coating 110, for protecting the fingerprint identification device 100；
The live body sensing module 120, the vital sign parameter signal for obtaining fingerprint carrier；
The fingerprint identification module 130, for obtaining the finger print information on the fingerprint carrier, according to the finger print information
With the vital sign parameter signal, fingerprint recognition result is determined；
The circuit board 140 is used for transmission the fingerprint recognition result.
As shown in Figure 1, multiple solder joints 150 are provided on circuit board 140 so that live body sensing module 120 and refer to
Line identification module 130 is welded to by scolding tin on the solder joint 150 on circuit board 140.
It should be noted that first coating is referred to as " cured layer ".Also, first coating can penetrate certain wavelength
The optical signal of range.First coating 110 is used for for protecting the fingerprint identification device 100 to can be understood as first coating 110
The component being located in the fingerprint identification device 100 below first coating 110 is protected, for example, the live body sensing module in Fig. 1
120 and fingerprint identification module 130.
Optionally, when fingerprint identification module 130 obtains finger print information, by detecting fingerprint carrier (for example, finger) and referring to
It is formed by coupled capacitor between line identification module 130, the position of the ridge and valley of fingerprint is detected according to collected coupled capacitor
It sets, to form fingerprint image data.Live body sensing module 120 is got vital sign parameter after vital sign parameter signal
Signal passes to fingerprint identification module 130, the finger that fingerprint identification module 130 considers vital sign parameter signal and gets
Print image data determine fingerprint recognition result.
Optionally, in some embodiments, fingerprint identification module 130 extracts the minutiae point in the finger print information got,
Then the similarity for calculating the minutiae point of the minutiae point and registering fingerprint information in the finger print information got, if similarity is big
In or equal to preset matching threshold value, it is determined that finger print information and the registering fingerprint information matching got, otherwise determination are got
Finger print information and registering fingerprint information mismatch.It should be noted that being got by the similarity judgement for calculating minutiae point
Finger print information whether match an only example with registering fingerprint information.The method specifically judged can be existing related skill
Either method in art, the application are not construed as limiting this.
Further, in some embodiments, it is born if referring to identification module 130 and being determined according to vital sign parameter signal
Physical sign parameters are ordered, fingerprint carrier is judged for live body according to the vital sign parameter determined, and collected finger print information and note
Volume finger print information matching, then the determination fingerprint recognition result of fingerprint identification module 130 is fingerprint recognition success.If fingerprint recognition mould
It is live body that block 130 judges fingerprint carrier not according to the vital sign parameter determined, then no matter collected finger print information with note
Whether volume finger print information matches, and the fingerprint recognition result that fingerprint identification module 130 determines is that fingerprint recognition is unsuccessful.If referred to
Line identification module 130 judges that fingerprint carrier is live body according to vital sign parameter, but collected finger print information and registered fingerprint
Information mismatches, then the fingerprint recognition result that fingerprint identification module 130 determines is that fingerprint recognition is unsuccessful.
Specifically, in further embodiments, fingerprint recognition result is transferred to including the fingerprint recognition by circuit board 140
Processor in the terminal device of device 100, processor generate corresponding instruction according to fingerprint recognition result.Or circuit board
140 are transferred to fingerprint recognition result the memory in the terminal device including the fingerprint identification device 100, terminal device
Processor obtains the fingerprint recognition stored in memory as a result, and generating instruction corresponding with fingerprint recognition result.The electricity
Road plate 140 can be flexible PCB (Flexible Printed Circuit, FPC).
In the embodiment of the present application, optionally, the dielectric constant of first coating 110 is greater than or equal to 3.First coating 110
Material for example can be one kind in llowing group of materials：Polyurethane, acrylic acid, epoxy resin, acrylic compound, polyester chemical combination
Object, fluoride, silicide, organic film；And/or the first coating is generated by coating or silk-screen mode.First applies
The thickness of layer 110 is between 5 microns to 100 microns, for example, can for the thickness for the first coating 110 that appearance characteristics are dumb light
Think 20-30 microns, the thickness for the first coating 100 that appearance characteristics are bloom can be 30-50 microns.
In the embodiment of the present application, optionally, the appearance characteristics of first coating 110 can be one in following appearance characteristics
Kind：Polyurethane (Polyurethane, UV) type, ultraviolet light (Ultraviolet, UV) curing type, dumb light, bloom and texture.
Fig. 2 shows the sectional views according to the fingerprint identification device of the application another embodiment.As illustrated in FIG. 2, refer to
In vivo detection module 120 in line identification device 100 includes optical transmitting set 121 and optical receiver 122；Optical transmitting set 121 is used for
Emit optical signal, optical receiver 122 generates institute for receiving from the reflected optical signal of fingerprint carrier, and according to optical signal
State vital sign parameter signal.
It is understood that when the optical signal that optical transmitting set 121 emits is re-reflected into optical receiver 122 through skin histology
When, optical signal just has a degree of decaying.Absorption as muscle, bone, vein and other connection tissues etc. to optical signal
It is basically unchanged, but blood is different, due to there is the flowing of blood in artery, then naturally also to the absorption of optical signal
Variation.As a result, optical receiver 122 by the vital sign parameter signal that the optical signal received is converted into include DC signal and
Ac signal, fingerprint identification module 130 can calculate heart rate according to DC signal and ac signal.The application is real
It applies the vital sign parameter in example and is not limited only to heart rate, such as can also be blood oxygen.
Optionally, the wavelength for the optical signal that optical transmitting set 121 emits is greater than or equal to 850nm.Or optical transmitting set 121 is sent out
The optical signal penetrated is green light.
Optionally, optical transmitting set 121 is light emitting diode, and optical receiver 122 is photosensitive sensor.
Optionally, in some embodiments, optical transmitting set 121, optical receiver 122 and fingerprint identification module 130 are integrated sets
It sets.The production technology of fingerprint identification device 100 can be simplified in this way.
It should be noted that optical transmitting set 121 shown in Figure 2 and optical receiver 122 are located at fingerprint identification module 130
Both sides are only a kind of example.Optical transmitting set 121 and optical receiver 122 can be located at the same side of fingerprint identification module 130.
Fig. 3 shows the sectional view of the fingerprint identification device according to the application another embodiment.As shown in figure 3, fingerprint is known
Other device 100 further includes at least one layer of second coating 160, and at least one layer second coating 160 is located at the first coating 110
The upper surface of below, and be located at the live body sensing module 120 and described fingerprint identification module 130, described at least one layer of second
Coating 160, for making the fingerprint identification device 100 that color of object be presented.Fingerprint identification device 100 in Fig. 3 includes one
Layer second coating 160.Fingerprint identification device 100 shown in Fig. 4 in the actual production process can including 2 layers of second coating 160
The number of plies of second coating 160 to be arranged according to actual needs, the application is not construed as limiting this.
It should be noted that second coating 160 is also referred to as " color layers ".
Optionally, in some embodiments, second coating 160 is skin of paint so that the color of fingerprint identification device 100 is selected
It selects more diversified.
Optionally, in some embodiments, the dielectric constant of every layer of second coating 160 is greater than or equal to 3；And/or every layer
The thickness of second coating 160 is greater than or equal to 5 microns, and the thickness of the second coating is less than or equal to 100 microns；And/or
Every layer of second coating is one kind in llowing group of materials：Polyurethane, acrylic acid, epoxy resin, acrylic compound, polyester chemical combination
Object, fluoride, silicide, organic film；And/or every layer of second coating is generated by coating or silk-screen mode.
Fig. 5 shows the sectional view of the fingerprint identification device according to the application another embodiment.As shown in figure 5, fingerprint is known
Other device 100 further includes：Third coating 170, the third coating 170 are located at below at least one layer of second coating 160,
And positioned at the upper surface of the live body sensing module 120 and described fingerprint identification module 130；The third coating 170, for combining
At least one layer second coating and the live body sensing module 120 and the fingerprint identification module 130.
It should be noted that third coating 170 is also referred to as " attachment binder course ".Third coating 170 is to make
Live body sensing module 120, fingerprint identification module 130 and at least one layer of second coating 160 be bonded it is closer.There is 2 layer in Fig. 5
Two coatings 160 are only a kind of example, and non-limiting.
Optionally, in some embodiments, the dielectric constant of the third coating 170 is greater than or equal to 3；And/or it is described
The thickness of third coating is greater than or equal to 5 microns, and the thickness of the third coating is less than or equal to 100 microns；And/or institute
It is one kind in llowing group of materials to state third coating：Polyurethane, acrylic acid, epoxy resin, acrylic compound, petchem,
Fluoride, silicide, organic film；And/or the third coating is generated by coating or silk-screen mode.
Fig. 6 shows the schematic diagram of the terminal device according to the embodiment of the present application.As shown in fig. 6, terminal device 200 includes
Any fingerprint identification device 100 shown in figure in Fig. 1 to Fig. 5.Fingerprint identification device 100 shown in Fig. 6 is located at terminal
The side of equipment 200, only a kind of example.Fingerprint identification device 100 may be located on the front of terminal device 200, or
Fingerprint identification device 100 may be located on the back side of terminal device 200.
Optionally, terminal device 200 may include 2 fingerprint identification devices 100, one of fingerprint identification device 100
On a side of terminal device 200, another fingerprint identification device 100 is located at another side of terminal device 200
On.Alternatively, one of fingerprint identification device 100 is located at the front of terminal device, another fingerprint identification device 100 is located at eventually
The back side of end equipment.Alternatively, one of fingerprint identification device 100 is located at the front of terminal device, another fingerprint recognition dress
Set 100 sides for being located at terminal device 200.Alternatively, one of fingerprint identification device 100 is located at the back side of terminal device, separately
One fingerprint identification device 100 is located at the side of terminal device 200.
Optionally, in the case where terminal device 200 includes 2 fingerprint identification device 100, user equipment is in using terminal
When equipment 200, it can be arranged in advance and fingerprint recognition is carried out using a fingerprint identification device 100, or be known using two fingerprints
Other device 100 carries out fingerprint recognition.Thus, it is possible to for the pattern of the different different fingerprint recognitions of operation setting.
Optionally, user can be arranged whether open fingerprint identification device 100 in advance in using terminal equipment 200
Live body sensing function, if be set on, the fingerprint identification module 130 in fingerprint identification device 100 is carrying out fingerprint knowledge
When other, according to vital sign parameter signal and the finger print information got, fingerprint recognition result is determined.If be set off,
Then the fingerprint identification module 130 in fingerprint identification device 100 is when carrying out fingerprint recognition, according only to the finger print information got,
Determine fingerprint recognition result.
Optionally, the registration that the fingerprint identification module 130 in fingerprint identification device 100 is used when carrying out fingerprint recognition refers to
Line information is the user data being stored in terminal device 200, is that user registers or reserves when opening fingerprint identification function in advance
Finger print data.
Alternatively, it is terminal device 200 from cloud that fingerprint identification module 130, which carries out the registering fingerprint information used when fingerprint recognition,
End is obtained and stored in local finger print data.It is understood that in this case, in user's opening terminal apparatus 200
Fingerprint identification function when, user carries out the registration of finger print data, and the finger print data of registration is synchronized to cloud by terminal device 200
End.
It should be understood that involved in the embodiment of the present application to processor may be a kind of IC chip, with signal
Processing capacity.During realization, each step of above method embodiment can pass through the integration logic of the hardware in processor
The instruction of circuit or software form is completed.Above-mentioned processor can be general processor, digital signal processor
(Digital Signal Processor, DSP), application-specific integrated circuit (Application Specific Integrated
Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other can
Programmed logic device, discrete gate or transistor logic, discrete hardware components.It may be implemented or execute the application implementation
Disclosed each method, step and logic diagram in example.General processor can be that microprocessor or the processor can also
It is any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present application, can be embodied directly in hardware decoding
Processor executes completion, or in decoding processor hardware and software module combination execute completion.Software module can position
In random access memory, flash memory, read-only memory, programmable read only memory or electrically erasable programmable memory, register
In the storage medium of equal this fields maturation.The storage medium is located at memory, and processor reads the information in memory, in conjunction with it
Hardware completes the step of above method.
It is appreciated that involved in the embodiment of the present application to memory can be volatile memory or non-volatile memories
Both device, or may include volatile and non-volatile memory.Wherein, nonvolatile memory can be read-only memory
(Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only
Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM,
) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use
Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random-access
Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access
Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data
Rate SDRAM, DDR SDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), same
Step connection dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DR RAM).It should be noted that the memory of system and method described herein be intended to include but unlimited
In the memory of these and any other suitable type.
It should be understood that the terms "and/or", only a kind of incidence relation of description affiliated partner, expression can deposit
In three kinds of relationships, for example, A and/or B, can indicate：Individualism A exists simultaneously A and B, these three situations of individualism B.
In addition, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
It should be understood that in the various embodiments of the application, size of the sequence numbers of the above procedures is not meant to execute suitable
The execution sequence of the priority of sequence, each process should be determined by its function and internal logic, the implementation without coping with the embodiment of the present application
Process constitutes any restriction.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of step.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), arbitrary access are deposited
The various media that can store program code such as reservoir (Random Access Memory, RAM), magnetic disc or CD.
The above, the only specific implementation mode of the application, but the protection domain of the application is not limited thereto, it is any
Those familiar with the art can easily think of the change or the replacement in the technical scope that the application discloses, and should all contain
It covers within the protection domain of the application.Therefore, the protection domain of the application should be based on the protection scope of the described claims.
Claims (15)
1. a kind of fingerprint identification device, which is characterized in that including：
First coating, live body sensing module, fingerprint identification module and circuit board；
The first coating is located at the top layer of the fingerprint identification device, the live body sensing module and the fingerprint recognition mould
For block between the first coating and the circuit board, the circuit board is located at the lowest level of the fingerprint identification device；
The first coating, for protecting the fingerprint identification device；
The live body sensing module, the vital sign parameter signal for obtaining fingerprint carrier；
The fingerprint identification module is used for：
The finger print information on the fingerprint carrier is obtained,
According to the finger print information and the vital sign parameter signal, fingerprint recognition result is determined；
The circuit board is used for transmission the fingerprint recognition result.
2. fingerprint identification device according to claim 1, which is characterized in that the live body sensing module includes：
Optical transmitting set, for emitting optical signal；
Optical receiver, for receiving from the reflected optical signal of fingerprint carrier, and according to described in optical signal generation
Vital sign parameter signal.
3. fingerprint identification device according to claim 2, which is characterized in that the optical transmitting set, the optical receiver and
The fingerprint identification module is integrally disposed.
4. fingerprint identification device according to any one of claim 1 to 3, which is characterized in that Jie of the first coating
Electric constant is greater than or equal to 3；And/or
The thickness of the first coating is greater than or equal to 5 microns, and the thickness of the first coating is less than or equal to 100 microns；
And/or
The first coating is one kind in llowing group of materials：Polyurethane, acrylic acid, epoxy resin, acrylic compound, polyesterification
Close object, fluoride, silicide, organic film；And/or
The first coating is generated by coating or silk-screen mode.
5. fingerprint identification device according to any one of claim 1 to 4, which is characterized in that further include：At least one layer of the
Two coatings, at least one layer second coating is located at below the first coating, and is located at the live body sensing module and institute
State the upper surface of fingerprint identification module；
At least one layer second coating, for making the fingerprint identification device that color of object be presented.
6. fingerprint identification device according to claim 5, which is characterized in that every layer the in at least one layer second coating
The dielectric constant of two coatings is greater than or equal to 3；And/or
The thickness of every layer of second coating is greater than or equal to 5 microns, and the second coating in at least one layer second coating
Thickness is less than or equal to 100 microns；And/or
Every layer of second coating is one kind in llowing group of materials in at least one layer second coating：Polyurethane, acrylic acid, asphalt mixtures modified by epoxy resin
Fat, acrylic compound, petchem, fluoride, silicide, organic film；And/or
Every layer of second coating is generated by coating or silk-screen mode in at least one layer second coating.
7. fingerprint identification device according to any one of claim 1 to 6, which is characterized in that further include：Third coating,
The third coating is located at below at least one layer of second coating, and knows positioned at the live body sensing module and the fingerprint
The upper surface of other module；
The third coating, in conjunction at least one layer of second coating and the live body sensing module and the fingerprint recognition
Module.
8. fingerprint identification device according to claim 7, which is characterized in that
The dielectric constant of the third coating is greater than or equal to 3；And/or
The thickness of the third coating is greater than or equal to 5 microns, and the thickness of the third coating is less than or equal to 100 microns；
And/or
The third coating is one kind in llowing group of materials：Polyurethane, acrylic acid, epoxy resin, acrylic compound, polyesterification
Close object, fluoride, silicide, organic film；And/or
The third coating is generated by coating or silk-screen mode.
9. fingerprint identification device according to any one of claim 1 to 8, which is characterized in that outside the first coating
It is one kind in following appearance characteristics to see characteristic：Polyurethane PU type, ultraviolet light UV curing types, dumb light, bloom and texture.
10. fingerprint identification device according to claim 2 or 3, which is characterized in that the optical transmitting set is light-emitting diodes
Pipe；And/or the optical receiver is photosensitive sensor.
11. fingerprint identification device according to claim 10, which is characterized in that the optical signal of the optical transmitting set transmitting
Wavelength is greater than or equal to 850nm.
12. fingerprint identification device according to any one of claim 1 to 11, which is characterized in that the circuit board is soft
Property circuit board.
13. fingerprint identification device according to any one of claim 1 to 12, which is characterized in that in the vital sign
Parameter signal, which characterizes the fingerprint carrier, is live body and when the finger print information is matched with registering fingerprint information, the fingerprint recognition
As a result it is fingerprint recognition success.
14. fingerprint identification device according to any one of claim 1 to 13, which is characterized in that the vital sign ginseng
The corresponding vital sign parameter of number signal is heart rate or blood oxygen.
15. a kind of terminal device, which is characterized in that including the fingerprint identification device described in any one of claim 1 to 14.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/090687 WO2019000294A1 (en) | 2017-06-29 | 2017-06-29 | Fingerprint recognition device and terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108475334A true CN108475334A (en) | 2018-08-31 |
Family
ID=63266036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780005669.1A Pending CN108475334A (en) | 2017-06-29 | 2017-06-29 | Fingerprint identification device and terminal device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108475334A (en) |
| WO (1) | WO2019000294A1 (en) |
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Application publication date: 20180831 |