CN109284742A - Shield lower fingerprint mould group, electronic equipment and fingerprint image processing method - Google Patents
Shield lower fingerprint mould group, electronic equipment and fingerprint image processing method Download PDFInfo
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- CN109284742A CN109284742A CN201811280517.5A CN201811280517A CN109284742A CN 109284742 A CN109284742 A CN 109284742A CN 201811280517 A CN201811280517 A CN 201811280517A CN 109284742 A CN109284742 A CN 109284742A
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- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 121
- 230000010287 polarization Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 27
- 238000012545 processing Methods 0.000 claims description 21
- 238000003475 lamination Methods 0.000 claims description 15
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 238000009738 saturating Methods 0.000 claims 2
- 230000010354 integration Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 22
- 238000010586 diagram Methods 0.000 description 16
- 238000004590 computer program Methods 0.000 description 13
- 238000001914 filtration Methods 0.000 description 9
- 230000009467 reduction Effects 0.000 description 9
- 238000004891 communication Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 230000013011 mating Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000013497 data interchange Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
Abstract
The embodiment of the present application discloses fingerprint mould group, electronic equipment and fingerprint image processing method under a kind of screen, and electronic equipment includes fingerprint mould group under the screen that screen and the predeterminable area relative to screen are arranged；Screen is provided with the first polaroid, shields lower fingerprint mould group and is provided with the second polaroid, and the polarization direction of the first polaroid and the second polaroid is consistent；For being filtered to the first optical noise, the first optical noise is reflection light for first polaroid and the second polaroid, and reflection light is light of first light through screen reflection, and the first light is the light in the transmitting light of screen along the irradiation of screen Z axis forward direction；For second polaroid for being filtered to the second optical noise, the second optical noise is direct line, and direct line is to emit the second light reversely irradiated in light along screen Z axis.The embodiment of the present application advantageously reduces fingerprint optical noise, improves the accuracy rate and efficiency of electronic equipment acquisition fingerprint.
Description
Technical field
This application involves technical field of electronic equipment, and in particular to fingerprint mould group, electronic equipment and fingerprint image under a kind of screen
As processing method.
Background technique
With the continuous development of fingerprint collecting technology, the electronic equipments such as mobile phone have been able to support to shield lower fingerprint recognition at present
Function after user enables mobile phone, can trigger mobile phone by shielding lower fingerprint mould group by modes such as pressing power keys and carry out fingerprint
The acquisition of figure, but due to being influenced by optical noise, recognition success rate is also difficult to the acquisition image of the lower fingerprint mould group of screen at present
Reach the same requirement of conventional mobile phone fingerprint mould group.
Summary of the invention
The embodiment of the present application provides fingerprint mould group, electronic equipment and fingerprint image processing method under a kind of screen, to mention
High electronic equipment carries out the accuracy of fingerprint image acquisition, improves the success rate of fingerprint recognition.
In a first aspect, the embodiment of the present application provides fingerprint mould group under a kind of screen, it is applied to electronic equipment, the electronic equipment
Fingerprint mould group under the screen that predeterminable area including screen and relative to the screen is arranged；The screen is provided with first partially
Mating plate, fingerprint mould group is provided with the second polaroid, the polarisation side of first polaroid and second polaroid under the screen
To consistent；
First polaroid and second polaroid are for being filtered the first optical noise, first optics
Noise is reflection light, and the reflection light is light of first light through the screen reflection, and first light is described
Along the light of screen Z axis forward direction irradiation in the transmitting light of screen；
For second polaroid for being filtered to the second optical noise, second optical noise is direct line,
The direct line is the second light reversely irradiated in the transmitting light along the screen Z axis.
Second aspect, the embodiment of the present application provide a kind of electronic equipment, including screen and are set to the default of the screen
Fingerprint mould group under the screen in region；
The screen is provided with the first polaroid, and fingerprint mould group is provided with the second polaroid under the screen, and described first partially
Mating plate is consistent with the polarization direction of second polaroid；
First polaroid and second polaroid are for being filtered the first optical noise, first optics
Noise is reflection light, and the reflection light is light of first light through the screen reflection, and first light is described
Along the light of screen Z axis forward direction irradiation in the transmitting light of screen；
For second polaroid for being filtered to the second optical noise, second optical noise is direct line,
The direct line is the second light reversely irradiated in the transmitting light along the screen Z axis.
The third aspect, the embodiment of the present application provide a kind of fingerprint image processing method, are applied to electronic equipment, the electronics
Equipment includes screen and fingerprint mould group under the screen for the predeterminable area for being set to the screen；The screen is provided with the first polarisation
Piece, fingerprint mould group is provided with the second polaroid, the polarization direction of first polaroid and second polaroid under the screen
Unanimously；The described method includes:
When detecting fingerprint collecting instruction, the screen is lighted, enables fingerprint mould group under the screen, wherein the screen
Corresponding first optical noise of transmitting light of curtain is filtered by first polaroid and second polaroid, the screen
Corresponding second optical noise of transmitting light is filtered by second polaroid, and first optical noise is reflection light, institute
Stating reflection light is light of first light through the screen reflection, and first light is edge in the transmitting light of the screen
The light of the screen Z axis forward direction irradiation, second optical noise are direct line, and the direct line is the transmitting light
The second light reversely irradiated in line along the screen Z axis；
The light that the transmitting light is reflected through user fingerprints is acquired by fingerprint mould group under the screen, is referred to after processing
Print image.
Fourth 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 the embodiment of the present application third aspect either method.
5th 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
Machine executes the step some or all of as described in the embodiment of the present application third aspect either method.The computer program product
It can be a software installation packet.
As can be seen that electronic equipment includes the screen of the predeterminable area setting of screen and relative screen in the embodiment of the present application
Lower fingerprint mould group；The screen is provided with the first polaroid, shields lower fingerprint mould group and is provided with the second polaroid, and the first polaroid and
The polarization direction of second polaroid is consistent；Wherein, the first polaroid and the second polaroid are for filtering the first optical noise
Wave, the first optical noise are reflection light, and reflection light is light of first light through screen reflection, and the first light is screen
Emit the light in light along screen Z axis forward direction；Second polaroid for being filtered to the second optical noise, make an uproar by the second optics
Sound is direct line, and direct line is to emit the second light reversely irradiated in light along screen Z axis.As it can be seen that the first polaroid
The light vibration of specific direction in the one the second optical noises can be absorbed with the second polaroid, so that the one the second light
Noise attentuation is learned, simultaneously as the second polaroid is consistent with the first polaroid direction, the fingerprint so the second polaroid will not decay
The effective sunlight of reflection realizes noise reduction to reduce the interference that noise light identifies fingerprint collecting, improves fingerprint image acquisition
The accuracy and efficiency of identification.
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 a kind of schematic diagram of fingerprint optical noise provided by the embodiments of the present application；
Fig. 2A is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 2 B is the coordinate schematic diagram of the screen of a kind of electronic equipment provided by the embodiments of the present application
Fig. 3 A is a kind of structural schematic diagram of fingerprint mould group provided by the embodiments of the present application；
Fig. 3 B is the structural schematic diagram of another fingerprint mould group provided by the embodiments of the present application；
Fig. 4 is a kind of flow diagram of fingerprint image processing method provided by the embodiments of the present application；
Fig. 5 is the flow diagram of another fingerprint image processing method provided by the embodiments of the present application；
Fig. 6 is a kind of functional unit composition block diagram of fingerprint image processing unit 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
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include 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 involved by the embodiment of the present application can be the electronic equipment for having optical fingerprint sensor, the electricity
Sub- equipment can support wired or wireless charging, can such as be put into exclusive charging box and charge, and with the electronics such as mobile phone
After equipment connection, the functions such as call, music can be supported, electronic equipment may include various hand-held with wireless communication function
Equipment, wearable device, calculates equipment or is connected to other processing equipments of radio modem mobile unit, and each
The user equipment (User Equipment, UE) of kind form, mobile station (Mobile Station, MS), terminal device
(terminal device) etc..
" shielding lower fingerprint " is exactly that identification mould group is placed under mobile phone screen panel, is sent out when identification by mould group
The RGB penetrated penetrates light and penetrates panel in finger tip formation fingerprint light film, and the finger print information of acquisition is then fed back to identification mould group, is passed through
System compares to realize finger print identifying, it is no longer necessary to external capacitance type sensor.In fingerprint collecting, finger is in built in light
Under the irradiation of source, light is projected from bottom, angle that the light of injection reflects on the rough strain line of finger surface fingerprint and anti-
The bright and dark light being emitted back towards will be different.After optical fingerprint sensor acquisition and then formation can be by fingerprint equipment algorithm process
Multi-grayscale fingerprint image.But panel is penetrated when finger tip forms fingerprint light film and reflects back in built-in light source, part light
Line forms the noise source of fingerprint recognition, referring to Fig. 1, Fig. 1 is a kind of signal of fingerprint optical noise provided in this embodiment
Figure, 100 be screen, and 101 be reflection light, i.e., screen light (light of built-in light source) is upwards by the noise of glass top surface reflection
Light；Reflection light vertical glass upper surface is incident, i.e. reflection light normal to screen direction.102 be direct line, i.e. screen
Light (light of built-in light source) reaches the noise light of fingerprint Sensor (fingerprint sensor) directly down.Noise light will cause
The accuracy of optical finger print identification and the speed for reducing fingerprint recognition.
In view of the above-mentioned problems, describing in detail below to the embodiment of the present application.
Fig. 2A is please referred to, Fig. 2A is that the embodiment of the present application provides the structural schematic diagram of a kind of electronic equipment 500, the screen
Lower fingerprint mould group 300 is applied to electronic equipment 500, and the electronic equipment 500 is including screen 100 and relative to the pre- of the screen
If fingerprint mould group 300 under the screen of region setting；
The screen 100 is provided with the first polaroid, and fingerprint mould group 300 is provided with the second polaroid 302, institute under the screen
It is consistent with the polarization direction of second polaroid to state the first polaroid；First polaroid and second polaroid are used for
First optical noise is filtered, first optical noise is reflection light, and the reflection light is the first light through institute
The light of screen reflection is stated, first light is the light in the transmitting light of the screen along screen Z axis forward direction irradiation
Line；
For second polaroid for being filtered to the second optical noise, second optical noise is direct line,
The direct line is the second light reversely irradiated in the transmitting light along the screen Z axis.
Wherein, the coordinate schematic diagram of the screen of electronic equipment as shown in Figure 2 B, coordinate origin is in screen center, with coordinate
Origin is reference, and screen Z axis forward direction is normal to screen surface and the direction far from rear cover；Screen Z axis is reversed perpendicular to screen
Scene plot face and direction close to rear cover, i.e., just in the opposite direction with screen Z axis.
Wherein, shield lower fingerprint mould group and be set to the space between the predeterminable area and rear cover of the screen, can specifically set
It sets in the inner surface close to screen, and reversed along screen Z axis in predeterminable area.The predeterminable area and screen of the screen refer to down
Line mould group is correspondingly arranged.
Wherein, polaroid (Polarizer) full name is polarized light piece, is a kind of artificial diaphragm, to different directions
The performance that light vibration has selection to absorb, can control the polarization direction of particular beam, thus make have a special direction in diaphragm,
When natural light is when passing through polaroid, the light vibration component vertical with this direction is absorbed completely, is only allowed and is parallel to the direction
Light vibration component passes through, i.e. the direction of vibration light vertical with polaroid transmission axis will be absorbed, and is only left direction of vibration through light
The polarised light parallel with polaroid transmission axis.The specific direction of polaroid is called the polarisation vibrationization direction of polaroid.
In the specific implementation, the first polaroid may be disposed in screen above display layer, the second polaroid may be disposed at display
In the optical finger print mould group of layer lower section.First polaroid is consistent with the polarization direction of the second polaroid, i.e. the one the second polaroids
In parallel, light passes through maximum.When the first light in the transmitting light of the screen along screen Z axis forward direction irradiation is through the screen
Curtain outside glass reflection light after shielding medium, polarization direction can change, for example, with polaroid polarization direction
Angle increase etc., therefore after the second polaroid, the light of reflection can decay.
The second light reversely irradiated along the screen Z axis, when by the second polaroid, only with the polarization of polaroid
Change the parallel light vibration component in direction to pass through, and the light vibration component vertical with polaroid polarization direction is absorbed completely, because
This, direct projection noise light light after polaroid can decay half.
As can be seen that electronic equipment includes the screen of the predeterminable area setting of screen and relative screen in the embodiment of the present application
Lower fingerprint mould group；The screen is provided with the first polaroid, shields lower fingerprint mould group and is provided with the second polaroid, and the first polaroid and
The polarization direction of second polaroid is consistent；Wherein, the first polaroid and the second polaroid are for filtering the first optical noise
Wave, the first optical noise are reflection light, and reflection light is light of first light through screen reflection, and the first light is screen
Emit the light in light along screen Z axis forward direction；Second polaroid for being filtered to the second optical noise, make an uproar by the second optics
Sound is direct line, and direct line is to emit the second light reversely irradiated in light along screen Z axis.As it can be seen that the first polaroid
The light vibration of specific direction in the one the second optical noises can be absorbed with the second polaroid, so that the one the second light
Noise attentuation is learned, simultaneously as the second polaroid is consistent with the first polaroid direction, the fingerprint so the second polaroid will not decay
The effective sunlight of reflection realizes noise reduction to reduce the interference that noise light identifies fingerprint collecting, improves fingerprint image acquisition
The accuracy and efficiency of identification.
In a possible example, Fig. 3 A is please referred to, Fig. 3 A is a kind of structural schematic diagram of fingerprint mould group, under the screen
Fingerprint mould group includes collimation lens 320, second polaroid 310, infrared IR film 330, optical fingerprint sensor 340, described
Second polaroid 310 is provided between collimation lens 320 and the infrared IR film 330, the infrared IR film 330 is set to
The surface of the optical fingerprint sensor 340.
Wherein, the second polaroid is set between collimation lens and infrared IR film, polaroid can be to normal to screen
The the one the second optical noises in the light vibration component of specific direction absorbed so that the one the second optical noise decaying.
As it can be seen that in this example, since the light vibration that polaroid only allows the polarization for being parallel to polaroid to be analyzed passes through, first
The light vibration component of specific direction is absorbed in second optical noise.Simultaneously as the second polaroid and the first polaroid direction
Unanimously, the light that fingerprint emits so the second polaroid will not decay finally realizes noise reduction, and it is accurate to improve fingerprint image acquisition
Degree.
In a possible example, the collimation lens and second polaroid is integrally disposed or lamination setting.
Wherein, collimation lens and the second polaroid it is integrally disposed refer to polaroid is embedded in collimation lens, formed have it is inclined
The collimation lens of light function；Collimation lens and the setting of the second polaroid lamination refer to the close optical finger print sensing in collimation lens
The side of device is superimposed one layer of polaroid.
It is collimation lens and the second polaroid is integrally disposed or lamination is arranged as it can be seen that in this example, not only it may be implemented
Polarizing function reduces optical noise, improves the accuracy rate of fingerprint collecting, and setting method multiplicity, can reduce screen thickness etc..
In a possible example, the second polaroid and infrared IR film is integrally disposed or lamination setting.
Wherein, the second polaroid and infrared IR film is integrally disposed refers to polaroid and infrared IR film is mutually embedding, formation has
The infrared IR film of polarizing function forms the polaroid with infrared IR film function.Second polaroid and the setting of infrared IR film lamination
Refer to and is superimposed one layer of polaroid in the side of the close collimation lens of infrared IR film.
It is the second polaroid and infrared IR film is integrally disposed or polarisation may be implemented in lamination setting as it can be seen that in this example
Function reduces optical noise, improves the accuracy rate of fingerprint collecting, and setting method multiplicity, can reduce screen thickness etc..
In a possible example, Fig. 3 B is please referred to, Fig. 3 B is a kind of structural schematic diagram of fingerprint mould group, under the screen
Fingerprint mould group includes collimation lens 320, second polaroid 310, infrared IR film 330, optical fingerprint sensor 340, described
Second polaroid 310, the infrared IR film 330 are provided between infrared IR film 330 and the optical fingerprint sensor 340
It is set to the surface of the collimation lens 320.
Wherein, the second polaroid is set between infrared IR film and fingerprint sensor, polaroid can be to perpendicular to screen
The light vibration component of specific direction is absorbed in the one the second optical noises of curtain, so that the one the second optical noises decline
Subtract.
As it can be seen that in this example, since the light vibration that polaroid only allows the polarization for being parallel to polaroid to be analyzed passes through, first
The light vibration component of specific direction is absorbed in second optical noise.Simultaneously as the second polaroid and the first polaroid direction
Unanimously, the light that fingerprint emits so the second polaroid will not decay finally realizes noise reduction, and it is accurate to improve fingerprint image acquisition
Degree.
In a possible example, the IR film and second polaroid is integrally disposed or lamination setting.
Wherein, infrared IR film and the second polaroid is integrally disposed refers to infrared IR film and polaroid is mutually embedding, formation has
The infrared IR film of polarizing function forms the polaroid with infrared IR film function.Infrared IR film and the setting of the second polaroid lamination
Refer to and is superimposed one layer of polaroid in the side of the close optical fingerprint sensor of infrared IR film.
It is the second polaroid and infrared IR film is integrally disposed or polarisation may be implemented in lamination setting as it can be seen that in this example
Function reduces optical noise, improves the accuracy rate of fingerprint collecting, and setting method multiplicity, can reduce screen thickness etc..
In a possible example, second polaroid and the optical fingerprint sensor are integrally disposed, or folded
Layer setting.
Wherein, the second polaroid and infrared IR film is integrally disposed refers to polaroid and infrared IR film is mutually embedding, formation has
The infrared IR film of polarizing function forms the polaroid with infrared IR film function.Second polaroid and the setting of infrared IR film lamination
Refer to and is superimposed one layer of polaroid in the side by near-infrared IR film of optical fingerprint sensor.
It is the second polaroid and optical fingerprint sensor is integrally disposed or lamination setting can be real as it can be seen that in this example
Existing polarizing function, reduces optical noise, improves the accuracy rate of fingerprint collecting, and setting method multiplicity, can reduce screen thickness etc..
Referring to Fig. 4, Fig. 4 is that the embodiment of the present application provides a kind of flow diagram of fingerprint image processing method, answer
For the electronic equipment as described in Fig. 2A, the electronic equipment includes under the screen of screen and the predeterminable area for being set to the screen
Fingerprint mould group；The screen is provided with the first polaroid, and fingerprint mould group is provided with the second polaroid under the screen, and described first partially
Mating plate is consistent with the polarization direction of second polaroid；As shown, this fingerprint image processing method includes:
S401, electronic equipment light the screen when detecting fingerprint collecting instruction, enable fingerprint mould under the screen
Group；Wherein, corresponding first optical noise of the transmitting light of the screen is by first polaroid and second polaroid
Filtering, corresponding second optical noise of the transmitting light of the screen are filtered by second polaroid, and first optics is made an uproar
Sound is reflection light, and the reflection light is light of first light through the screen reflection, and first light is the screen
Along the light of screen Z axis forward direction irradiation in the transmitting light of curtain, second optical noise is direct line, the direct projection
Light is the second light reversely irradiated in the transmitting light along the screen Z axis；
S402, the electronic equipment acquire what the transmitting light was reflected through user fingerprints by fingerprint mould group under the screen
Light obtains fingerprint image after processing.
As can be seen that electronic equipment includes the screen of the predeterminable area setting of screen and relative screen in the embodiment of the present application
Lower fingerprint mould group；The screen is provided with the first polaroid, shields lower fingerprint mould group and is provided with the second polaroid, and the first polaroid and
The polarization direction of second polaroid is consistent；Wherein, the first polaroid and the second polaroid are for filtering the first optical noise
Wave, the first optical noise are reflection light, and reflection light is light of first light through screen reflection, and the first light is screen
Emit the light in light along screen Z axis forward direction；Second polaroid for being filtered to the second optical noise, make an uproar by the second optics
Sound is direct line, and direct line is to emit the second light reversely irradiated in light along screen Z axis.As it can be seen that the first polaroid
The light vibration of specific direction in the one the second optical noises can be absorbed with the second polaroid, so that the one the second light
Noise attentuation is learned, simultaneously as the second polaroid is consistent with the first polaroid direction, the fingerprint so the second polaroid will not decay
The effective sunlight of reflection realizes noise reduction to reduce the interference that noise light identifies fingerprint collecting, improves fingerprint image acquisition
The accuracy and efficiency of identification.
It is described to light the screen in a possible example, comprising: to light the predeterminable area of the screen.
Wherein, electronic equipment is lighted the predeterminable area of the screen, that is, is lighted under screen when detecting fingerprint collecting instruction
Region where fingerprint mould group.The angle that the light that built-in light source projects reflects on the rough strain line of finger surface fingerprint
And the bright and dark light reflected back will be different, ultimately forms fingerprint image.
As it can be seen that lighting the predeterminable area of the screen in this example, it can make to shield the bright of the region where lower fingerprint mould group
Du Genggao keeps the acquisition of optical finger print more acurrate, fast.
It is described to light the screen in a possible example, comprising: to light the whole region of the screen.
As it can be seen that lighting the whole region of the screen in this example, keep the acquisition of optical finger print more acurrate, fast.
In a possible example, the predeterminable area for lighting the screen, comprising: when the screen is bright
When screen state, the brightness of the predeterminable area of the screen is improved, increases the predeterminable area and the screen of the screen
The luminance difference in other regions of curtain；When the screen is to put out screen state, the predeterminable area of the screen is only lighted.
Wherein, electronic equipment when detecting fingerprint collecting instruction screen be bright screen state when, increase the screen of predeterminable area
Curtain brightness, keeps the brightness for shielding the region where lower fingerprint mould group higher, keeps the acquisition of optical finger print more acurrate, fast.When described
Screen is when putting out screen state, to be lighted just for the region for being provided with fingerprint mould group.
As it can be seen that in this example, when bright screen, improves the brightness of the predeterminable area of the screen or only lights when putting out screen pre-
If region, influence of the light outside predeterminable area to optical fingerprint sensor can be reduced, keeps the acquisition of optical finger print more acurrate,
Fast.
In a possible example, the whole region for lighting the screen, including when the screen is bright screen shape
When state, the brightness of the screen is improved；When the screen is to put out screen state, the whole region of the screen is lighted.
Wherein, when screen is bright screen state, the brightness for improving the screen, which refers to, mentions highest for screen intensity, in order to
Optical fingerprint sensor acquires fingerprint light；Screen is when putting out screen state, to light the whole region of the screen, can be will shield
Curtain brightness is lighted to more than the Minimum requirements brightness of optical fingerprint sensor acquisition fingerprint.
As it can be seen that lighting the whole region of the screen in this example, keep the acquisition of optical finger print more acurrate, fast.
In a possible example, when detecting fingerprint collecting instruction, the system mode of the electronic equipment is detected,
The system mode comprises at least one of the following: screen state, battery status.
Wherein, when detecting fingerprint collecting instruction, the system mode of the electronic equipment is detected, according to system mode point
Bright screen.Such as electricity is when being lower than preset value, only lights predeterminable area or to light brightness lower, merely greater than optical finger print senses
Minimum brightness needed for device acquires fingerprint.When electricity abundance, screen can be lighted according to the customized selection of user or system
The mode of curtain.
As it can be seen that electronic equipment can light screen according to system mode in this example, the energy of electronic equipment can reduce
Consumption saves electric quantity of power supply.
Referring to Fig. 5, Fig. 5 is that the embodiment of the present application provides a kind of flow diagram of fingerprint image processing method, answer
For the electronic equipment as described in Fig. 2A, the electronic equipment includes under the screen of screen and the predeterminable area for being set to the screen
Fingerprint mould group；The screen is provided with the first polaroid, and fingerprint mould group is provided with the second polaroid under the screen, and described first partially
Mating plate is consistent with the polarization direction of second polaroid；As shown, this fingerprint image processing method includes:
S501, electronic equipment detect the system mode of the electronic equipment when detecting fingerprint collecting instruction；
S502 lights the predeterminable area of the screen or when the electricity of the electronic equipment is lower than preset threshold with optics
Minimum brightness needed for fingerprint sensor acquisition fingerprint lights the screen；
S503, when the electric quantity for electronic equipment abundance, the customized mode for lighting screen；
S504, the electronic equipment acquire what the transmitting light was reflected through user fingerprints by fingerprint mould group under the screen
Light obtains fingerprint image after processing.
As can be seen that electronic equipment includes the screen of the predeterminable area setting of screen and relative screen in the embodiment of the present application
Lower fingerprint mould group；The screen is provided with the first polaroid, shields lower fingerprint mould group and is provided with the second polaroid, and the first polaroid and
The polarization direction of second polaroid is consistent；Wherein, the first polaroid and the second polaroid are for filtering the first optical noise
Wave, the first optical noise are reflection light, and reflection light is light of first light through screen reflection, and the first light is screen
Emit the light in light along screen Z axis forward direction；Second polaroid for being filtered to the second optical noise, make an uproar by the second optics
Sound is direct line, and direct line is to emit the second light reversely irradiated in light along screen Z axis.As it can be seen that the first polaroid
The light vibration of specific direction in the one the second optical noises can be absorbed with the second polaroid, so that the one the second light
Noise attentuation is learned, simultaneously as the second polaroid is consistent with the first polaroid direction, the fingerprint so the second polaroid will not decay
The effective sunlight of reflection realizes noise reduction to reduce the interference that noise light identifies fingerprint collecting, improves fingerprint image acquisition
The accuracy and efficiency of identification.
Fig. 2A is please referred to, Fig. 2A is the structural schematic diagram of a kind of electronic equipment 500 provided by the embodiments of the present application, as schemed institute
Show, the electronic equipment 500 includes screen and fingerprint mould group under the screen for the predeterminable area for being set to the screen；The screen is set
It is equipped with the first polaroid, fingerprint mould group is provided with the second polaroid, first polaroid and second polarisation under the screen
The polarization direction of piece is consistent；First polaroid and second polaroid are for being filtered the first optical noise, institute
State the first optical noise be reflection light, the reflection light be light of first light through the screen reflection, described first
Light is the light in the transmitting light of the screen along screen Z axis forward direction irradiation；Second polaroid is used for the
Two optical noises are filtered, and second optical noise is direct line, and the direct line is edge in the transmitting light
The second light that the screen Z axis reversely irradiates.
As can be seen that electronic equipment includes the screen of the predeterminable area setting of screen and relative screen in the embodiment of the present application
Lower fingerprint mould group；The screen is provided with the first polaroid, shields lower fingerprint mould group and is provided with the second polaroid, and the first polaroid and
The polarization direction of second polaroid is consistent；Wherein, the first polaroid and the second polaroid are for filtering the first optical noise
Wave, the first optical noise are reflection light, and reflection light is light of first light through screen reflection, and the first light is screen
Emit the light in light along screen Z axis forward direction；Second polaroid for being filtered to the second optical noise, make an uproar by the second optics
Sound is direct line, and direct line is to emit the second light reversely irradiated in light along screen Z axis.As it can be seen that the first polaroid
The light vibration of specific direction in the one the second optical noises can be absorbed with the second polaroid, so that the one the second light
Noise attentuation is learned, simultaneously as the second polaroid is consistent with the first polaroid direction, the fingerprint so the second polaroid will not decay
The effective sunlight of reflection realizes noise reduction to reduce the interference that noise light identifies fingerprint collecting, improves fingerprint image acquisition
The accuracy and efficiency of identification.
In a possible example, the screen includes liquid crystal display LCD screen or Organic Light Emitting Diode OLED
Display screen.
Wherein, the screen can be liquid crystal display LCD screen, and liquid crystal display LCD screen is that the display of planar ultra-thin is set
Standby, it is made of a certain number of colored or monochrome pixels, is placed in front of light source or reflecting surface.The screen can also be
Organic Light Emitting Diode OLED display screen.Wherein, liquid crystal display LCD screen (display screen from top to bottom by pixel layer, liquid crystal layer and
Backlight layer composition, backlight layer shine, and liquid crystal layer control light source is penetrated or blocked, and pixel layer control color is shown), backlight lightening
Afterwards, by the luminous position of liquid crystal layer control predeterminable area, i.e. light penetration site；OLED (Organic Light Emitting Diode (Organic
Light-Emitting Diode, OLED) self-luminous principle), also known as Organic Electricity laser display, organic luminous semiconductor, directly
Connect the turned-on position of control predeterminable area.
In a possible example, first optical noise and/or second optical noise are the preset areas
The light of domain transmitting.
Wherein, referring to Fig. 1, the first optical noise 102 is the light of predeterminable area transmitting, the outside glass through screen 100
The light of directive optical finger print mould group after glass reflection；Second optical noise 103 is directive light directly down after predeterminable area transmitting
Learn the light of fingerprint mould group.First optical noise and the second optical noise are each perpendicular to screen 100.
As it can be seen that in this example, the first optical noise and the second optical noise are each perpendicular to screen, polaroid to first, the
The light vibration of specific direction is absorbed in two optical noises, so that the one the second optical noise decaying, simultaneously as second
Polaroid is consistent with the first polaroid direction, and the light that fingerprint emits so the second polaroid will not decay finally realizes noise reduction,
Improve fingerprint image acquisition accuracy.
In a possible example, electronic equipment includes shielding lower fingerprint mould group, and fingerprint mould group includes collimation under the screen
Lens, second polaroid, infrared IR film, optical fingerprint sensor, are provided between the collimation lens and the IR film
Second polaroid, the infrared IR film are set to the surface of the optical fingerprint sensor.
It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of structures and methods 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, describe in conjunction with embodiment presented herein each exemplary
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 above 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.Above-mentioned 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.
Fig. 6 is the functional unit composition block diagram of fingerprint image processing unit 600 involved in the embodiment of the present application.This refers to
Print image processing unit 600 is applied to electronic equipment, and the electronic equipment includes screen and the preset areas relative to the screen
Fingerprint mould group under the screen of domain setting, the fingerprint image processing unit 600 include processing unit 601, communication unit 602；Its
In,
The processing unit 601 is used for when detecting fingerprint collecting instruction, lights the screen by the communication unit
Curtain, enables fingerprint mould group under the screen；Wherein, corresponding first optical noise of the transmitting light of the screen is inclined by described first
Mating plate and second polaroid filtering, corresponding second optical noise of the transmitting light of the screen is by second polaroid
Filtering, first optical noise are reflection light, and the reflection light is light of first light through the screen reflection, institute
State the light in the transmitting light that the first light is the screen along screen Z axis forward direction irradiation, second optical noise
For direct line, the direct line is the second light reversely irradiated in the transmitting light along the screen Z axis；And it is logical
It crosses fingerprint mould group under the screen and acquires the light that the transmitting light is reflected through user fingerprints, obtain fingerprint image after processing.
Wherein, the fingerprint image processing unit 600 further includes storage unit 603, and the storage unit is for storing electronics
The data of equipment.
As can be seen that electronic equipment includes the screen of the predeterminable area setting of screen and relative screen in the embodiment of the present application
Lower fingerprint mould group；The screen is provided with the first polaroid, shields lower fingerprint mould group and is provided with the second polaroid, and the first polaroid and
The polarization direction of second polaroid is consistent；Wherein, the first polaroid and the second polaroid are for filtering the first optical noise
Wave, the first optical noise are reflection light, and reflection light is light of first light through screen reflection, and the first light is screen
Emit the light in light along screen Z axis forward direction；Second polaroid for being filtered to the second optical noise, make an uproar by the second optics
Sound is direct line, and direct line is to emit the second light reversely irradiated in light along screen Z axis.As it can be seen that the first polaroid
The light vibration of specific direction in the one the second optical noises can be absorbed with the second polaroid, so that the one the second light
Noise attentuation is learned, simultaneously as the second polaroid is consistent with the first polaroid direction, the fingerprint so the second polaroid will not decay
The effective sunlight of reflection realizes noise reduction to reduce the interference that noise light identifies fingerprint collecting, improves fingerprint image acquisition
The accuracy and efficiency of identification.
In a possible example, it is described light the screen in terms of, the processing unit 601 is specifically used for: point
The predeterminable area of the bright screen.
In a possible example, it is described light the screen in terms of, the processing unit 601 is specifically used for: point
The whole region of the bright screen.
In a possible example, it is described light the predeterminable area of the screen in terms of, the processing unit
601 are specifically used for: when the screen is bright screen state, the brightness of the predeterminable area of the screen are improved, described in increase
The luminance difference in other regions of the predeterminable area and screen of screen；When the screen is to put out screen state, point
The predeterminable area of the bright screen.
In a possible example, in terms of the whole region for lighting the screen, the processing unit 601 has
Body is used for: when the screen is bright screen state, improving the brightness of the screen；When the screen is to put out screen state, light
The whole region of the screen.
In a possible example, when detecting fingerprint collecting instruction, the processing unit 601 is specifically used for: inspection
The system mode of the electronic equipment is surveyed, the system mode comprises at least one of the following: screen state, battery status.
Wherein, processing unit 601 can be processor, and communication unit 602 can be internal communication bus etc., storage unit
603 can be memory.
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 (12)
1. fingerprint mould group under a kind of screen, which is characterized in that be applied to electronic equipment, the electronic equipment include screen and relative to
Fingerprint mould group under the screen of the predeterminable area setting of the screen；The screen is provided with the first polaroid, refers under the screen
Line mould group is provided with the second polaroid, and first polaroid is consistent with the polarization direction of second polaroid；
First polaroid and second polaroid are for being filtered the first optical noise, first optical noise
For reflection light, the reflection light is light of first light through the screen reflection, and first light is the screen
Transmitting light in along the screen Z axis forward direction irradiation light；
For second polaroid for being filtered to the second optical noise, second optical noise is direct line, described
Direct line is the second light reversely irradiated in the transmitting light along the screen Z axis.
2. fingerprint mould group under screen according to claim 1, which is characterized in that fingerprint mould group includes that collimation is saturating under the screen
Mirror, second polaroid, infrared IR film, optical fingerprint sensor, are arranged between the collimation lens and the IR film
The second polaroid is stated, the infrared IR film is set to the surface of the optical fingerprint sensor.
3. fingerprint mould group under screen according to claim 2, which is characterized in that the collimation lens and second polaroid
The setting of integrally disposed or lamination.
4. fingerprint mould group under screen according to claim 2, which is characterized in that second polaroid and the IR film are integrated
Setting or lamination setting.
5. fingerprint mould group under screen according to claim 1, which is characterized in that fingerprint mould group includes that collimation is saturating under the screen
Mirror, second polaroid, infrared IR film, optical fingerprint sensor, set between the IR film and the optical fingerprint sensor
It is equipped with second polaroid, the infrared IR film is set to the surface of the collimation lens.
6. fingerprint mould group under screen according to claim 5, which is characterized in that the IR film and second polaroid are integrated
Setting or lamination setting.
7. fingerprint mould group under screen according to claim 5, which is characterized in that second polaroid and the optical finger print
Sensor integration setting or lamination setting.
8. a kind of electronic equipment, which is characterized in that fingerprint mould under the screen including screen and the predeterminable area for being set to the screen
Group；
The screen is provided with the first polaroid, and fingerprint mould group is provided with the second polaroid, first polaroid under the screen
It is consistent with the polarization direction of second polaroid；
First polaroid and second polaroid are for being filtered the first optical noise, first optical noise
For reflection light, the reflection light is light of first light through the screen reflection, and first light is the screen
Transmitting light in along the screen Z axis forward direction irradiation light；
For second polaroid for being filtered to the second optical noise, second optical noise is direct line, described
Direct line is the second light reversely irradiated in the transmitting light along the screen Z axis.
9. electronic equipment according to claim 8, which is characterized in that the screen include liquid crystal display LCD screen or
Organic Light Emitting Diode OLED display screen.
10. electronic equipment according to claim 8 or claim 9, which is characterized in that first optical noise and/or described
Two optical noises are the light of predeterminable area transmitting.
11. a kind of fingerprint image processing method, which is characterized in that be applied to electronic equipment, the electronic equipment include screen and
It is set to fingerprint mould group under the screen of the predeterminable area of the screen；The screen is provided with the first polaroid, fingerprint under the screen
Mould group is provided with the second polaroid, and first polaroid is consistent with the polarization direction of second polaroid；The method packet
It includes:
When detecting fingerprint collecting instruction, the screen is lighted, enables fingerprint mould group under the screen, wherein the screen
Emit corresponding first optical noise of light to be filtered by first polaroid and second polaroid, the transmitting of the screen
Corresponding second optical noise of light is filtered by second polaroid, and first optical noise is reflection light, described anti-
Penetrating light is light of first light through the screen reflection, and first light is in the transmitting light of the screen along described
The light of screen Z axis forward direction irradiation, second optical noise are direct line, and the direct line is in the transmitting light
The second light reversely irradiated along the screen Z axis；
The light that the transmitting light is reflected through user fingerprints is acquired by fingerprint mould group under the screen, obtains fingerprint image after processing
Picture.
12. according to the method for claim 11, which is characterized in that described to light the screen, comprising:
Light the predeterminable area of the screen.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280517.5A CN109284742A (en) | 2018-10-30 | 2018-10-30 | Shield lower fingerprint mould group, electronic equipment and fingerprint image processing method |
| EP19879834.0A EP3869388A4 (en) | 2019-09-25 | Under-screen fingerprint module, electronic device and fingerprint image processing method | |
| PCT/CN2019/107868 WO2020088156A1 (en) | 2018-10-30 | 2019-09-25 | Under-screen fingerprint module, electronic device and fingerprint image processing method |
| US17/244,647 US11462048B2 (en) | 2018-10-30 | 2021-04-29 | Under-screen fingerprint module, electronic device and fingerprint image processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280517.5A CN109284742A (en) | 2018-10-30 | 2018-10-30 | Shield lower fingerprint mould group, electronic equipment and fingerprint image processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109284742A true CN109284742A (en) | 2019-01-29 |
Family
ID=65174612
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811280517.5A Pending CN109284742A (en) | 2018-10-30 | 2018-10-30 | Shield lower fingerprint mould group, electronic equipment and fingerprint image processing method |
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| Country | Link |
|---|---|
| CN (1) | CN109284742A (en) |
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| CN109961283A (en) * | 2019-03-18 | 2019-07-02 | 北京意锐新创科技有限公司 | Two dimensional code method of payment and device based on dynamic password and digital certificate |
| CN109978090A (en) * | 2019-03-18 | 2019-07-05 | 北京意锐新创科技有限公司 | The method of payment and device combined based on two dimensional code and private mark |
| CN109977717A (en) * | 2019-03-18 | 2019-07-05 | 北京意锐新创科技有限公司 | Bar code method of payment and device based on light and shade code |
| CN109948391A (en) * | 2019-03-18 | 2019-06-28 | 北京意锐新创科技有限公司 | The screen message edit methods and device of two dimension code reading device based on single screen |
| CN110209245A (en) * | 2019-06-17 | 2019-09-06 | Oppo广东移动通信有限公司 | Face identification method and Related product |
| CN110348425A (en) * | 2019-07-19 | 2019-10-18 | 北京迈格威科技有限公司 | Go the method, apparatus, equipment and computer readable storage medium of shading |
| CN110348425B (en) * | 2019-07-19 | 2020-06-05 | 北京迈格威科技有限公司 | Method, device and equipment for removing shading and computer readable storage medium |
| CN111095283A (en) * | 2019-09-06 | 2020-05-01 | 深圳市汇顶科技股份有限公司 | Fingerprint detection device and electronic equipment |
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