CN109376668A - Fingerprint mould group, electronic equipment and fingerprint collecting method - Google Patents
Fingerprint mould group, electronic equipment and fingerprint collecting method Download PDFInfo
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- CN109376668A CN109376668A CN201811280520.7A CN201811280520A CN109376668A CN 109376668 A CN109376668 A CN 109376668A CN 201811280520 A CN201811280520 A CN 201811280520A CN 109376668 A CN109376668 A CN 109376668A
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- polaroid
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- collimation lens
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- 238000000034 method Methods 0.000 title claims description 40
- 230000003287 optical effect Effects 0.000 claims abstract description 32
- 230000010287 polarization Effects 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims description 8
- 238000003475 lamination Methods 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 238000004590 computer program Methods 0.000 description 13
- 230000006870 function Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000003860 storage Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013497 data interchange Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
Abstract
This application discloses a kind of fingerprint mould groups, applied to the electronic equipment including screen and fingerprint mould group, fingerprint mould is mounted on the lower section of the predeterminable area of screen, screen is equipped with the first polaroid, fingerprint mould group includes collimation lens and optical fingerprint sensor, collimation lens is set to optical fingerprint sensor close to the side of screen, and collimation lens is equipped with the second polaroid, and the polarization direction of the first polaroid and the second polaroid is consistent；For filtering to the first light, the first light is light of the light through screen reflection that screen emits to first direction for first polaroid and the second polaroid；For second polaroid for filtering to the second light, the second light is the light that screen emits to second direction.The embodiment of the present application also provides a kind of electronic equipment and fingerprint collecting image.Optical noise may filter that using the embodiment of the present application, to promote the quality of collected fingerprint image.
Description
Technical field
This application involves electronic technology field more particularly to a kind of fingerprint mould groups, electronic equipment and fingerprint collecting method.
Background technique
Shielding lower fingerprint collecting principle is that the finger put on the screen, the light that screen issues are irradiated using the light of screen sending
It is reflected when reaching finger, the optical signal that the optical finger print mould group below screen receives reflection is set, since fingerprint is recessed
The lines of convex injustice, light absorption amplitude is different, to obtain the different fingerprint image of light and shade.Currently, optical finger print mould group meeting
The quality of collected fingerprint image is influenced because of some optical noises.
Summary of the invention
The embodiment of the present application provides a kind of fingerprint mould group, electronic equipment and fingerprint collecting method, makes an uproar for filtering optical
Sound, to promote the quality of collected fingerprint image.
In a first aspect, the embodiment of the present application provides a kind of fingerprint mould group, it is applied to electronic equipment, the electronic equipment includes
Screen and the fingerprint mould group, the fingerprint mould are mounted on the lower section of the predeterminable area of the screen, and the screen is equipped with first
Polaroid, the fingerprint mould group include collimation lens and optical fingerprint sensor, and the collimation lens is set to the optical finger print
Sensor is equipped with the second polaroid, first polaroid and described second close to the side of the screen, the collimation lens
The polarization direction of polaroid is consistent；
For filtering to the first light, first light is institute for first polaroid and second polaroid
State light of the light through the screen reflection that screen emits to first direction；
For second polaroid for filtering to the second light, second light is the screen to second direction
The vertical screen of the light of transmitting, the first direction and the second direction, the first direction are directed toward the electronics
The outside of equipment, the second direction are directed toward the inside of the electronic equipment.
Second aspect, the embodiment of the present application provide a kind of electronic equipment, including screen and fingerprint mould group, the fingerprint mould group
Set on the lower section of the predeterminable area of the screen；The screen is equipped with the first polaroid, and the fingerprint mould group includes collimation lens
And optical fingerprint sensor, the collimation lens are set to the optical fingerprint sensor close to the side of the screen, the standard
Straight lens are equipped with the second polaroid, and first polaroid is consistent with the polarization direction of second polaroid；
For filtering to the first light, first light is institute for first polaroid and second polaroid
State light of the light through the screen reflection that screen emits to first direction；
For second polaroid for filtering to the second light, second light is the screen to second direction
The vertical screen of the light of transmitting, the first direction and the second direction, the first direction are directed toward the electronics
The outside of equipment, the second direction are directed toward the inside of the electronic equipment.
The third aspect, the embodiment of the present application provide a kind of fingerprint collecting method, are applied to electronic equipment, the electronic equipment
Including screen and the fingerprint mould group, the fingerprint mould is mounted on the lower section of the predeterminable area of the screen, and the screen is equipped with
First polaroid, the fingerprint mould group include collimation lens and optical fingerprint sensor, and the collimation lens is set to the optics
For fingerprint sensor close to the side of the screen, the collimation lens is equipped with the second polaroid, first polaroid and described
The polarization direction of second polaroid is consistent；The described method includes:
When detecting fingerprint collecting instruction, the screen is lighted, enables the fingerprint mould group, the screen is to first party
It is filtered to the light of transmitting by the first light of the screen reflection by first polaroid and second polaroid, institute
It states the second light that screen emits to second direction to be filtered by second polaroid, the first direction and the second direction
The vertical screen, the first direction are directed toward the outside of the electronic equipment, and the second direction is directed toward the electronics and is set
Standby inside；
Third light is acquired by the fingerprint mould group, fingerprint image is obtained after processing, the third light is the screen
The light that curtain is reflected to the light that the first direction emits through user fingerprints.
Fourth aspect, the embodiment of the present application provide a kind of mobile terminal, including processor, memory, communication interface and
One or more programs, wherein said one or multiple programs are stored in above-mentioned memory, and are configured by above-mentioned
It manages device to execute, above procedure is included the steps that for executing the instruction in method described in the embodiment of the present application third aspect.
5th aspect, the embodiment of the present application provide a kind of computer readable storage medium, wherein above-mentioned computer-readable
Storage medium storage is used for the computer program of electronic data interchange, wherein above-mentioned computer program executes computer such as
Step some or all of described in method described in the embodiment of the present application third aspect.
6th aspect, the embodiment of the present application provide a kind of computer program product, wherein above-mentioned computer program product
Non-transient computer readable storage medium including storing computer program, above-mentioned computer program are operable to make to calculate
Step some or all of described in method of the machine execution as described in the embodiment of the present application third aspect.The computer program produces
Product can be a software installation packet.
As can be seen that in the embodiment of the present application, the optical noise for influencing fingerprint mould group usually has the first light and second
Light, the first light are light of the light through screen reflection that emit to first direction of screen, and the second light is screen to second
The light of direction transmitting, first direction and the equal vertical screen of second direction, first direction are directed toward the outside of electronic equipment, second party
To the inside for being directed toward electronic equipment, the second polaroid pair that the first polaroid and collimation lens being equipped with by screen are equipped with
First light filters, and is filtered by the second polaroid to the second light, so that the fingerprint mould group when acquiring fingerprint
It is influenced to reduce by above two optical noise, and then promotes the quality of collected fingerprint image.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of fingerprint mould group provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of three kinds of collimation lenses provided by the embodiments of the present application；
Fig. 4 is a kind of flow diagram of fingerprint collecting method provided by the embodiments of the present application；
Fig. 5 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 6 is a kind of structural schematic diagram of fingerprint acquisition device provided by the embodiments of the present application.
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, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It is described in detail separately below.
The description and claims of this application and term " first ", " second ", " third " and " in the attached drawing
Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be
System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list
Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Electronic equipment may include the various handheld devices with wireless communication function, mobile unit, wearable device, meter
Calculate equipment or be connected to radio modem other processing equipments and various forms of user equipment (User
Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal device) etc..
Referring to Figure 1 and Fig. 2, Fig. 1 be a kind of electronic equipment provided by the embodiments of the present application structural schematic diagram, Fig. 2 is
A kind of structural schematic diagram of fingerprint mould group provided by the embodiments of the present application.Fingerprint mould group provided by the present application is set applied to electronics
Standby, the electronic equipment includes screen and the fingerprint mould group, and the fingerprint mould is mounted under the predeterminable area of the screen
Side, the screen are equipped with the first polaroid, and the fingerprint mould group includes collimation lens and optical fingerprint sensor, and the collimation is saturating
Mirror is set to the optical fingerprint sensor close to the side of the screen, and the collimation lens is equipped with the second polaroid, and described the
One polaroid is consistent with the polarization direction of second polaroid；
For filtering to the first light, first light is institute for first polaroid and second polaroid
State light of the light through the screen reflection that screen emits to first direction；
For second polaroid for filtering to the second light, second light is the screen to second direction
The vertical screen of the light of transmitting, the first direction and the second direction, the first direction are directed toward the electronics
The outside of equipment, the second direction are directed toward the inside of the electronic equipment.
Wherein, on the basis of Fig. 1, first direction vertical screen, and be directed toward the outside of electronic equipment, i.e. first direction is
Vertical screen upwardly direction, second direction vertical screen, and be directed toward the inside of electronic equipment, i.e., second direction is vertical screen
Downwardly direction.
Wherein, which can be a part of screen, is also possible to entire screen, be not limited thereto.Pre-
If in the case that region is a part of screen, the position where the predeterminable area can be the upper left of the centre of screen, screen
Angle, the upper right corner of screen, lower left corner of screen etc., are not limited thereto.In the case where predeterminable area is a part of screen,
The size of the predeterminable area can be 5mm*5mm, 8mm*8mm, 1cm*1cm or other values.In one that predeterminable area is screen
In the case where part, the shape of the predeterminable area can be square, rectangle, ellipse, polygon etc., not limit herein
It is fixed.
Wherein, the top of the display layer of screen is arranged in the first polaroid, and the effect of the polaroid is to reduce extraneous light
Reflection.Screen includes cover-plate glass, display screen and touch screen, then the first polaroid is in the top of display screen.
Wherein, first light be upper surface of the light through the screen that emits to first direction of the screen (i.e.
The outside glass of screen, i.e. cover-plate glass) reflection light.
Wherein, polaroid (Polarizer) full name is polarized light piece, can control the polarization direction of particular beam.Natural light
When passing through polaroid, the direction of vibration light vertical with polaroid transmission axis will be absorbed, through light only be left direction of vibration with
The parallel polarised light of polaroid transmission axis.
As can be seen that in the embodiment of the present application, the second light is the light that screen vertical emits downwards, in the second light
After the second polaroid, only light identical with the second polaroid polarization direction is allowed to pass through, therefore is passing through the second polarisation
After piece, the second light can also decay, and the first light is that the light that screen vertical emits upwards passes through the light that screen reflection is returned,
First light has been the polarization direction light identical with the first polaroid obtained by the first polaroid, and the first light passes through
Medium rear polarizer direction can change, and to the rear by the first polarizing film and the second polarization in this way, the first light can also decay, warp
User fingerprints reflection light due to consistent with the polarization direction of polaroid, so by polaroid light influence it is less so that
When acquiring fingerprint, fingerprint mould group is influenced to reduce by above two optical noise, and then promotes collected fingerprint image
Quality.
In the implementation of the application, the collimation lens is equipped with the second polaroid, comprising: the collimation lens
Upper surface is equipped with the second polaroid；Alternatively, the centre of the collimation lens is equipped with the second polaroid；Alternatively, the collimation lens
Lower surface be equipped with the second polaroid.It is specific as shown in Figure 3.
In the implementation of the application, the collimation lens and second polaroid is integrally disposed or lamination
Setting.
Wherein, it is equipped with the second polaroid in the upper surface of collimation lens or lower surface, it is integrally disposed to refer to polaroid
It is embedded in the upper surface or lower surface of collimation lens, forms the collimation lens with polarizing function, or the upper table in collimation lens
Face or lower surface are coated with light polarizing film in a manner of optically coated, form the collimation lens with polarizing function.
Wherein, it is equipped with the second polaroid in the centre of collimation lens, it is integrally disposed to refer to that polaroid is embedded in collimation thoroughly
The centre of mirror forms the collimation lens with polarizing function.
Wherein, it is equipped with the second polaroid in the upper surface of collimation lens or lower surface, lamination setting refers to saturating in collimation
The upper surface of mirror or lower surface are superimposed one layer of polaroid.
In the implementation of the application, the surface of the optical fingerprint sensor is equipped with infrared (Infrared
Radiation, IR) film.IR film function is mainly off infrared light, and through luminous ray, IR film can pass through optical coating
To realize manufacture.
In the implementation of the application, the surface of the collimation lens is equipped with IR film.
Specifically have: being equipped with the second polaroid in the centre of collimation lens, it can be in the upper surface or lower surface of collimation lens
Equipped with IR film；It is equipped with the second polaroid in the upper surface of collimation lens, which be arranged in a manner of optically coated
On collimation lens, IR film can be equipped in the lower surface of collimation lens；The second polarisation is equipped in the upper surface of collimation lens
Piece, which be arranged on collimation lens with lamination, can be equipped in the upper surface of collimation lens or lower surface
IR film；It is equipped with the second polaroid in the lower surface of collimation lens, which is that standard is arranged in a manner of optically coated
On straight lens, IR film can be equipped in the upper surface of collimation lens；It is equipped with the second polaroid in the lower surface of collimation lens, it should
Second polaroid is arranged on collimation lens with lamination, can be equipped with IR film in the upper surface of collimation lens or lower surface.
As can be seen that being equipped with IR film on the surface of optical fingerprint sensor or collimation lens, infrared light may filter that, into one
Step promotes the quality of collected fingerprint image.
In the implementation of the application, the screen include liquid crystal display (Liquid Crystal Display,
LCD) screen or Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display screen.
In the implementation of the application, first light and second light are what the predeterminable area issued
Light.
As can be seen that only lighting predeterminable area when acquiring fingerprint image, the power consumption of electronic equipment can be reduced, promotes electricity
The use duration of sub- equipment.
In the implementation of the application, the light of first light and second light for solid color, institute
Stating solid color includes single green, single red or single blue.
Further, when solid color is single green, first light and second light are described default
The light that green pixel in region issues.When solid color is single red, first light and second light
The light issued for the red pixel in the predeterminable area.When solid color is single blue, first light and institute
Stating the second light is the light that the blue pixel in the predeterminable area issues.
Further, when acquiring fingerprint image, the rgb pixels in predeterminable area use in turn.As this is used in advance
If the green pixel, next time in region use the blue picture in predeterminable area using the red pixel in predeterminable area, next time
Element, next time use the green pixel in predeterminable area, and so on.
Since predeterminable area is always used, the service life of predeterminable area will affect, in the embodiment of the present application, use in turn
Rgb pixels, and then extend the service life of predeterminable area.
Fig. 4 is referred to, Fig. 4 is a kind of flow diagram of fingerprint collecting method provided by the embodiments of the present application, is applied to
Above-mentioned electronic equipment, method include:
Step 401: when detecting fingerprint collecting instruction, electronic equipment lights the screen, enables the fingerprint mould group,
The light that the screen emits to first direction is by the first light of the screen reflection by first polaroid and described
Second polaroid filters, and the second light that the screen emits to second direction is filtered by second polaroid, and described first
The vertical screen of direction and the second direction, the first direction are directed toward the outside of the electronic equipment, and described second
It is directed toward the inside of the electronic equipment in direction；
Step 402: electronic equipment acquires third light by the fingerprint mould group, and fingerprint image is obtained after processing, described
Third light is the light that the light that the screen emits to the first direction is reflected through user fingerprints.
As can be seen that in the embodiment of the present application, the second light is the light that screen vertical emits downwards, in the second light
After the second polaroid, only light identical with the second polaroid polarization direction is allowed to pass through, therefore is passing through the second polarisation
After piece, the second light can also decay, and the first light is that the light that screen vertical emits upwards passes through the light that screen reflection is returned,
First light has been the polarization direction light identical with the first polaroid obtained by the first polaroid, and the first light passes through
Medium rear polarizer direction can change, and to the rear by the first polarizing film and the second polarization in this way, the first light can also decay, warp
User fingerprints reflection light due to consistent with the polarization direction of polaroid, so by polaroid light influence it is less so that
When acquiring fingerprint, fingerprint mould group is influenced to reduce by above two optical noise, and then promotes collected fingerprint image
Quality.
Further, electronic equipment lights the screen, comprising: electronic equipment lights the preset areas of the screen
Domain.
Further, electronic equipment lights the predeterminable area of the screen, comprising: electronic equipment is by the preset areas
It lights to object brightness in domain.
Wherein, object brightness is a preset brightness；Or object brightness is electronic equipment according to electronic equipment
What the environmental light brightness of current environment determined, as determined institute according to environmental light brightness and the mapping relations of predeterminable area brightness
State the corresponding object brightness of environmental light brightness；Or object brightness is that electronic equipment is determined according to electronic equipment current geographic position
, the corresponding object brightness of the current geographic position as described in determining the mapping relations according to geographical location and predeterminable area brightness；
Etc..
As can be seen that only lightening the brightness of predeterminable area when acquiring fingerprint image, power consumption can be reduced.
Further, described to detect fingerprint collecting instruction, comprising: to detect the long-pressing behaviour for the predeterminable area
In the case where work, or have previously detected the clicking operation of the first area for the predeterminable area, and after detect needle
To in the case where the long press operation of the second area of the predeterminable area, alternatively, having previously detected for the screen except described
The clicking operation in the region except predeterminable area, and after detect the long press operation for the predeterminable area in the case where,
Electronic equipment detects fingerprint collecting instruction, and first area is different from second area.
As can be seen that triggering fingerprint collecting instruction by more complex operation, user misoperation is avoided.
It is consistent with above-mentioned embodiment shown in Fig. 4, referring to Fig. 5, Fig. 5 is a kind of electronics provided by the embodiments of the present application
The structural schematic diagram of equipment, as shown, the electronic equipment includes screen and the fingerprint mould group, the fingerprint mould is mounted on institute
The lower section of the predeterminable area of screen is stated, the screen is equipped with the first polaroid, and the fingerprint mould group includes collimation lens and optics
Fingerprint sensor, the collimation lens are set to the optical fingerprint sensor close to the side of the screen, the collimation lens
Equipped with the second polaroid, first polaroid is consistent with the polarization direction of second polaroid；The electronic equipment further includes
Processor, memory, communication interface and one or more program, wherein said one or multiple programs are stored in above-mentioned
In memory, and it is configured to be executed by above-mentioned processor, above procedure includes the instruction for executing following steps:
When detecting fingerprint collecting instruction, the screen is lighted, enables the fingerprint mould group, the screen is to first party
It is filtered to the light of transmitting by the first light of the screen reflection by first polaroid and second polaroid, institute
It states the second light that screen emits to second direction to be filtered by second polaroid, the first direction and the second direction
The vertical screen, the first direction are directed toward the outside of the electronic equipment, and the second direction is directed toward the electronics and is set
Standby inside；
Third light is acquired by the fingerprint mould group, fingerprint image is obtained after processing, the third light is the screen
The light that curtain is reflected to the light that the first direction emits through user fingerprints.
As can be seen that in the embodiment of the present application, the second light is the light that screen vertical emits downwards, in the second light
After the second polaroid, only light identical with the second polaroid polarization direction is allowed to pass through, therefore is passing through the second polarisation
After piece, the second light can also decay, and the first light is that the light that screen vertical emits upwards passes through the light that screen reflection is returned,
First light has been the polarization direction light identical with the first polaroid obtained by the first polaroid, and the first light passes through
Medium rear polarizer direction can change, and to the rear by the first polarizing film and the second polarization in this way, the first light can also decay, warp
User fingerprints reflection light due to consistent with the polarization direction of polaroid, so by polaroid light influence it is less so that
When acquiring fingerprint, fingerprint mould group is influenced to reduce by above two optical noise, and then promotes collected fingerprint image
Quality.
In the implementation of the application, in terms of lighting the screen, above procedure include be specifically used for execute with
The instruction of lower step: the predeterminable area of the screen is lighted.
It should be noted that the specific implementation process of the present embodiment can be found in specific implementation described in above method embodiment
Process no longer describes herein.
Above-described embodiment is mainly described the scheme of the embodiment of the present application from the angle of method side implementation procedure.It can
With understanding, in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or soft for electronic equipment
Part module.Those skilled in the art should be readily appreciated that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, the application can be realized with the combining form of hardware or hardware and computer software.Some function is studied carefully
Unexpectedly it is executed in a manner of hardware or computer software driving hardware, the specific application and design constraint depending on technical solution
Condition.Professional technician can specifically realize described function to each using distinct methods, but this
It realizes it is not considered that exceeding scope of the present application.
The embodiment of the present application can carry out the division of functional unit according to the method example to electronic equipment, for example, can
With each functional unit of each function division of correspondence, two or more functions can also be integrated in a processing unit
In.The integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs
It is noted that be schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical real
It is current that there may be another division manner.
It is below the application Installation practice, the application Installation practice is realized for executing the application embodiment of the method
Method.Referring to Fig. 6, Fig. 6 is a kind of fingerprint acquisition device provided by the embodiments of the present application, it is applied to above-mentioned mobile terminal,
The fingerprint acquisition device includes:
Screen control unit 601, for when detecting fingerprint collecting instruction, lighting the screen；
Module control unit 602, for enabling the fingerprint mould group, the light that the screen emits to first direction passes through
First light of the screen reflection is filtered by first polaroid and second polaroid, and the screen is to second direction
Second light of transmitting is filtered by second polaroid, the first direction and the vertical screen of the second direction,
The first direction is directed toward the outside of the electronic equipment, and the second direction is directed toward the inside of the electronic equipment；
Image acquisition units 603, for obtaining fingerprint image after processing by fingerprint mould group acquisition third light,
The third light is the light that the light that the screen emits to the first direction is reflected through user fingerprints.
As can be seen that in the embodiment of the present application, the second light is the light that screen vertical emits downwards, in the second light
After the second polaroid, only light identical with the second polaroid polarization direction is allowed to pass through, therefore is passing through the second polarisation
After piece, the second light can also decay, and the first light is that the light that screen vertical emits upwards passes through the light that screen reflection is returned,
First light has been the polarization direction light identical with the first polaroid obtained by the first polaroid, and the first light passes through
Medium rear polarizer direction can change, and to the rear by the first polarizing film and the second polarization in this way, the first light can also decay, warp
User fingerprints reflection light due to consistent with the polarization direction of polaroid, so by polaroid light influence it is less so that
When acquiring fingerprint, fingerprint mould group is influenced to reduce by above two optical noise, and then promotes collected fingerprint image
Quality.
In the implementation of the application, in terms of lighting the screen, screen control unit is specifically used for: lighting institute
State the predeterminable area of screen.
It should be noted that screen control unit 601, module control unit 602 and image acquisition units 603 can pass through place
Device is managed to realize.
The embodiment of the present application also provides a kind of computer storage medium, wherein computer storage medium storage is for electricity
The computer program of subdata exchange, the computer program make computer execute any as recorded in above method embodiment
Some or all of method step, above-mentioned computer include electronic equipment.
The embodiment of the present application also provides a kind of computer program product, and above-mentioned computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, above-mentioned computer program are operable to that computer is made to execute such as above-mentioned side
Some or all of either record method step in method embodiment.The computer program product can be a software installation
Packet, above-mentioned computer includes electronic equipment.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, related actions and modules not necessarily the application
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, it is only a kind of
Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit,
It can be electrical or other forms.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If above-mentioned integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer-readable access to memory.Based on this understanding, the technical solution of the application substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment
(can be personal computer, server or network equipment etc.) executes all or part of each embodiment above method of the application
Step.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory
May include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English:
Random Access Memory, referred to as: RAM), disk or CD etc..
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of fingerprint mould group, which is characterized in that be applied to electronic equipment, the electronic equipment includes screen and the fingerprint mould
Group, the fingerprint mould are mounted on the lower section of the predeterminable area of the screen, and the screen is equipped with the first polaroid, the fingerprint mould
Group includes collimation lens and optical fingerprint sensor, and the collimation lens is set to the optical fingerprint sensor close to the screen
Side, the collimation lens be equipped with the second polaroid, the polarization direction one of first polaroid and second polaroid
It causes；
For filtering to the first light, first light is the screen for first polaroid and second polaroid
Light of the light through the screen reflection that curtain emits to first direction；
For second polaroid for filtering to the second light, second light is that the screen emits to second direction
Light, the vertical screen of the first direction and the second direction, the first direction is directed toward the electronic equipment
Outside, the second direction is directed toward the inside of the electronic equipment.
2. fingerprint mould group according to claim 1, which is characterized in that the collimation lens is equipped with the second polaroid, comprising:
The upper surface of the collimation lens is equipped with the second polaroid.
3. fingerprint mould group according to claim 1, which is characterized in that the collimation lens is equipped with the second polaroid, comprising:
The centre of the collimation lens is equipped with the second polaroid.
4. fingerprint mould group according to claim 1, which is characterized in that the collimation lens is equipped with the second polaroid, comprising:
The lower surface of the collimation lens is equipped with the second polaroid.
5. fingerprint mould group according to claim 1-4, which is characterized in that the collimation lens and described second is partially
Mating plate is integrally disposed or lamination is arranged.
6. fingerprint mould group according to claim 1-5, which is characterized in that the surface of the optical fingerprint sensor
Equipped with infrared IR film.
7. a kind of electronic equipment, which is characterized in that including screen and the fingerprint mould group, the fingerprint mould is mounted on the screen
Predeterminable area lower section, the screen is equipped with the first polaroid, and the fingerprint mould group includes that collimation lens and optical finger print pass
Sensor, the collimation lens are set to the optical fingerprint sensor close to the side of the screen, and the collimation lens is equipped with the
Two polaroids, first polaroid are consistent with the polarization direction of second polaroid；
For filtering to the first light, first light is the screen for first polaroid and second polaroid
Light of the light through the screen reflection that curtain emits to first direction；
For second polaroid for filtering to the second light, second light is that the screen emits to second direction
Light, the vertical screen of the first direction and the second direction, the first direction is directed toward the electronic equipment
Outside, the second direction is directed toward the inside of the electronic equipment.
8. electronic equipment according to claim 7, which is characterized in that the screen include liquid crystal display LCD screen or
Organic Light Emitting Diode OLED display screen.
9. a kind of fingerprint collecting method, which is characterized in that be applied to electronic equipment, the electronic equipment includes screen and the finger
Line mould group, the fingerprint mould are mounted on the lower section of the predeterminable area of the screen, and the screen is equipped with the first polaroid, the finger
Line mould group includes collimation lens and optical fingerprint sensor, and the collimation lens is set to the optical fingerprint sensor close to described
The side of screen, the collimation lens are equipped with the second polaroid, the polarisation side of first polaroid and second polaroid
To consistent；The described method includes:
When detecting fingerprint collecting instruction, the screen is lighted, enables the fingerprint mould group, the screen is sent out to first direction
The light penetrated is filtered by the first light of the screen reflection by first polaroid and second polaroid, the screen
Curtain is filtered to the second light that second direction emits by second polaroid, and the first direction and the second direction are hung down
The straight screen, the first direction are directed toward the outside of the electronic equipment, and the second direction is directed toward the electronic equipment
It is internal；
Acquire third light by the fingerprint mould group, obtain fingerprint image after processing, the third light be the screen to
The light that the light of the first direction transmitting is reflected through user fingerprints.
10. the method stated according to claim 9, which is characterized in that described to light the screen, comprising: light the screen
The predeterminable area.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280520.7A CN109376668B (en) | 2018-10-30 | 2018-10-30 | Fingerprint module, electronic equipment and fingerprint acquisition method |
| EP19879208.7A EP3862915A4 (en) | 2019-09-16 | Fingerprint module, electronic device and fingerprint acquisition method | |
| PCT/CN2019/105991 WO2020088129A1 (en) | 2018-10-30 | 2019-09-16 | Fingerprint module, electronic device and fingerprint acquisition method |
| US17/243,424 US20210248345A1 (en) | 2018-10-30 | 2021-04-28 | Fingerprint Assembly, Electronic Device and Fingerprint Acquisition Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280520.7A CN109376668B (en) | 2018-10-30 | 2018-10-30 | Fingerprint module, electronic equipment and fingerprint acquisition method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109376668A true CN109376668A (en) | 2019-02-22 |
| CN109376668B CN109376668B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811280520.7A Active CN109376668B (en) | 2018-10-30 | 2018-10-30 | Fingerprint module, electronic equipment and fingerprint acquisition method |
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|---|---|
| CN (1) | CN109376668B (en) |
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| WO2020088129A1 (en) * | 2018-10-30 | 2020-05-07 | Oppo广东移动通信有限公司 | Fingerprint module, electronic device and fingerprint acquisition method |
| CN111964778A (en) * | 2020-08-21 | 2020-11-20 | 深圳市汇顶科技股份有限公司 | Under-screen environment optical sensor and terminal equipment |
| WO2020258760A1 (en) * | 2019-06-28 | 2020-12-30 | Shenzhen GOODIX Technology Co., Ltd. | Enhancement film for under-screen optical fingerprint sensor |
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| CN109376668B (en) | 2024-02-27 |
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