CN109886177A - Display screen module, electronic equipment and fingerprint image processing method - Google Patents
Display screen module, electronic equipment and fingerprint image processing method Download PDFInfo
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- CN109886177A CN109886177A CN201910114630.4A CN201910114630A CN109886177A CN 109886177 A CN109886177 A CN 109886177A CN 201910114630 A CN201910114630 A CN 201910114630A CN 109886177 A CN109886177 A CN 109886177A
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Abstract
The embodiment of the present application discloses a kind of display screen module, electronic equipment and fingerprint image processing method, and electronic equipment includes display screen module and is set to fingerprint sensor under the screen of the first predeterminable area of display screen module；Display screen module is provided with polarizing coating；The valley regions reflection for the finger print that polarizing coating is used to be filtered through and/or the first light of refraction, retain the second light of the peak regions reflection and/or refraction of the finger print passed through, wherein, first light is the light for being less than predetermined angle in the reflection and/or refracted light of the finger print relative to the incidence angle of polarizing coating, and the second light is the light for being greater than or equal to the predetermined angle in the reflection and/or refracted light of the finger print relative to the incidence angle of polarizing coating.The embodiment of the present application is conducive to improve the processing speed rate of electronic equipment acquisition fingerprint and the reliability of fingerprint recognition.
Description
Technical field
This application involves technical field of electronic equipment, and in particular to a kind of display screen module, electronic equipment and fingerprint image
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, most of electronic equipments use optical camera scheme, in the case where carrying out Image Acquisition based on optical camera,
The high exposure problems for solving to be imaged in the case of bloom are difficult to, and when the finger print of dry finger is imaged, due to finger
The margin in gully become smaller lead to imaging after obtained fingerprint image medium wave peak and trough it is unobvious, while two-dimensional surface prosthetic finger exists
Take pictures successfully cheating camera after deception and taking fingerprint image and there is safety so as to cause obtained fingerprint image
Risk.
Summary of the invention
The embodiment of the present application provides a kind of display screen module, electronic equipment and fingerprint image processing method, to improve
Electronic equipment acquires the processing speed rate of fingerprint and the reliability 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
Including the display screen module and it is set to fingerprint sensor under the screen of first predeterminable area of display screen module；The display
Screen mould group is provided with polarizing coating；
The valley regions reflection for the finger print that the polarizing coating is used to be filtered through and/or the first light of refraction, are protected
Stay by the finger print peak regions reflection and/or refraction the second light, wherein first light is described
It is less than the light of predetermined angle in the reflection and/or refracted light of finger print relative to the incidence angle of the polarizing coating, it is described
Second light is that the incidence angle in the reflection and/or refracted light of the finger print relative to the polarizing coating is greater than or equal to
The light of the predetermined angle, the reflection of the finger print and/or refracted light are the transmitting light of the display screen module
And/or the light that ambient light is reflected and/or reflected through the finger print.
Second aspect, the embodiment of the present application provides a kind of electronic equipment, including display screen module and is set to the display
Shield fingerprint sensor under the screen of the first predeterminable area of mould group；The display screen module is provided with polarizing coating；
The valley regions reflection for the finger print that the polarizing coating is used to be filtered through and/or the first light of refraction, are protected
Stay by the finger print peak regions reflection and/or refraction the second light, wherein first light is described
It is less than the light of predetermined angle in the reflection and/or refracted light of finger print relative to the incidence angle of the polarizing coating, it is described
Second light is that the incidence angle in the reflection and/or refracted light of the finger print relative to the polarizing coating is greater than or equal to
The light of the predetermined angle, the reflection of the finger print and/or refracted light are the transmitting light of the display screen module
And/or the light that ambient light is reflected and/or reflected through the finger print.
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 the display screen module and is set to fingerprint sensor under the screen of first predeterminable area of display screen module, described
Display screen module is provided with polarizing coating；The described method includes:
When detecting fingerprint collecting instruction, the second predeterminable area of the display screen module is lighted, described second is default
Region is the associated annulus display area of first predeterminable area；
Enable fingerprint sensor under the screen, wherein the valley regions of the finger print reflect and/or refraction first
Light is filtered by the polarizing coating, and the second light of peak regions reflection and/or the refraction of the finger print is by the polarization
Film retains, and first light is the incidence in the reflection and/or refracted light of the finger print relative to the polarizing coating
Angle be less than predetermined angle light, second light in the reflection and/or refracted light of the finger print relative to institute
The incidence angle for stating polarizing coating is greater than or equal to the light of the predetermined angle, the reflection and/or refracted light of the finger print
The light for reflecting and/or reflecting through the finger print for the transmitting light and/or ambient light of the display screen module；
Second light is acquired by fingerprint sensor under the screen, obtains fingerprint image after processing.
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 display screen module and is set to display screen module first in the embodiment of the present application
Fingerprint sensor under the screen of predeterminable area；Display screen module is provided with polarizing coating；Wherein, polarizing coating is used for the finger being filtered through
The valley regions of fingerprint reflect and/or the first light of refraction, retain peak regions reflection and/or the folding of the finger print passed through
The second light penetrated, wherein the first light is entering relative to polarizing coating in the reflection and/or refracted light of the finger print
Firing angle is less than the light of predetermined angle, and the second light is in the reflection and/or refracted light of finger print relative to polarizing coating
Incidence angle is greater than or equal to the light of predetermined angle, and the reflection of finger print and/or refracted light are to shield lower fingerprint display screen
Emit the light that light and/or ambient light are reflected and/or reflected through finger print.As it can be seen that since display screen module passes through partially
Vibrating diaphragm has filtered out the first light of the valley regions reflection and/or refraction of finger print, only retains the finger print passed through
Peak regions reflection and/or refraction the second light so that the only finger of peak regions in final collected fingerprint image
Print image, avoiding fingerprint image overexposure leads to the case where not can be carried out identification, while also avoiding dry finger print and knowing
The case where not difficult and two-dimensional surface prosthetic finger fingerprint recognition, is conducive to the processing speed rate for improving electronic equipment acquisition fingerprint
With the reliability of fingerprint recognition.
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 reference view of a kind of fingerprint reflection provided by the embodiments of the present application and/or refracted light；
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 display screen module provided by the embodiments of the present application；
Fig. 3 B is the structural schematic diagram of another display screen module 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 to be placed on fingerprint sensor under display screen module, passes through hand during fingerprint collecting
After the light of finger fingerprint peak regions and valley regions is reflected and/or reflected through finger print, display screen module is first passed through
It gets to shield lower fingerprint sensor later, shields after lower fingerprint sensor collects fingerprint signal and obtain fingerprint image, pass through and be
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 source
And/or under environment light source irradiation, light is projected from bottom, the light of injection reflects on the rough strain line of finger surface fingerprint
Angle and the bright and dark light that reflects back will be different.After optical fingerprint sensor acquisition and then formation can be by fingerprint equipment
The multi-grayscale fingerprint image of algorithm process.But the light issued in built-in light source and/or environment light source is passing through finger print
When reflecting and/or going back, display screen module can by the valley regions for the finger print that polarizing coating is filtered through reflect and/or
First light of refraction retains the second light of the peak regions reflection and/or refraction of the finger print passed through, please refers to
Fig. 1, Fig. 1 are a kind of peak regions of finger print provided in this embodiment and the reflection of valley regions and/or refracted light
Reference example figure, 100 be display screen module, and 101 be the light of the reflection of finger print valley regions and/or refraction, finger print
The light of peak regions reflection and/or refraction is made of dotted portion 102 in Fig. 1 and bold portion 103, wherein 103 be light beam
In have and the light of 101 same size beam sections, 102 light to be greater than beam section in 101 in light beam, it is seen then that light
When line is irradiated to formation reflection on finger print and/or reflects, fingerprint peak regions surface carries out the reflection and/or refraction of light
The light velocity of formation is larger, and smaller in the light beam that valley regions surface carries out the reflection of light and/or refraction is formed, and concentrates
Near display screen module vertical direction.
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 200, described aobvious
Display screen mould group 100 is applied to electronic equipment 200, and the electronic equipment 200 includes display screen mould 100 and is set to the display screen
Fingerprint sensor 300 under the screen of 100 first predeterminable area of mould group；The display screen module 100 is provided with polarizing coating 104；
The valley regions reflection for the finger print that the polarizing coating 104 is used to be filtered through and/or the first light of refraction
101, retain the second light 102 of the peak regions reflection and/or refraction of the finger print passed through, wherein described first
Light 101 is to be less than to preset relative to the incidence angle of the polarizing coating 104 in the reflection and/or refracted light of the finger print
The light of angle, second light 102 are in the reflection and/or refracted light of the finger print relative to the polarizing coating
104 incidence angle is greater than or equal to the light of the predetermined angle, and the reflection of the finger print and/or refracted light are described
The light that the transmitting light and/or ambient light of display screen module are reflected and/or reflected through the finger print.
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 sensor and be set to the space between the display screen module and rear cover, specifically can be set
It is reversed along screen Z axis in the inner surface close to screen, and in the first predeterminable area.The first of the display screen module is default
Region and shielding lower fingerprint sensor and be correspondingly arranged, Fig. 2A is the first predeterminable area that a kind of exemplary shape of the application is rectangle,
First predeterminable area can also be round or ellipse, not be limited in any way herein.
Wherein, the light polarizing film (PolarizingFilm) is that have dichroic transparent membrane, it allows to be parallel to
The light of light transmission axis direction passes through, and is then absorbed perpendicular to the light in this direction, polarization of this phenomenon light.By light
It is the light of same direction of vibration, becomes polarised light.If by finger print back reflection and/or the light of refraction perpendicular to polarizing coating
Light transmission shaft can then be absorbed, due to the surface of finger print wave trough position carry out light reflection and/or refraction when, formed
Light beam it is smaller, and concentrate near display screen module vertical direction, therefore polarizing coating can be used for absorbing the anti-of valley regions
It penetrates and/or refracted light.
Wherein, display screen module and to shield be vacuum between lower fingerprint sensor, so that guaranteeing to shield lower fingerprint sensor can be with
Collect the signal of more accurate fingerprint peak regions.
As can be seen that electronic equipment includes display screen module and is set to display screen module first in the embodiment of the present application
Fingerprint sensor under the screen of predeterminable area；Display screen module is provided with polarizing coating；Wherein, polarizing coating is used for the finger being filtered through
The valley regions of fingerprint reflect and/or the first light of refraction, retain peak regions reflection and/or the folding of the finger print passed through
The second light penetrated, wherein the first light is entering relative to polarizing coating in the reflection and/or refracted light of the finger print
Firing angle is less than the light of predetermined angle, and the second light is in the reflection and/or refracted light of finger print relative to polarizing coating
Incidence angle is greater than or equal to the light of predetermined angle, and the reflection of finger print and/or refracted light are to shield lower fingerprint display screen
Emit the light that light and/or ambient light are reflected and/or reflected through finger print.As it can be seen that since display screen module passes through partially
Vibrating diaphragm has filtered out the first light of the valley regions reflection and/or refraction of finger print, only retains the finger print passed through
Peak regions reflection and/or refraction the second light so that the only finger of peak regions in final collected fingerprint image
Print image, avoiding fingerprint image overexposure leads to the case where not can be carried out identification, while also avoiding dry finger print and knowing
The case where not difficult and two-dimensional surface prosthetic finger fingerprint recognition, is conducive to the processing speed rate for improving electronic equipment acquisition fingerprint
With the reliability of fingerprint recognition.
In a possible example, Fig. 3 A is please referred to, Fig. 3 A is a kind of structural schematic diagram of display screen module, the screen
Lower fingerprint mould group 100 includes glass panel 105, Organic Light Emitting Diode (OrganicLight-EmittingDiode, OLED)
Panel 106 and polarizing coating 104 are provided with the polarizing coating 104 between the glass panel 105 and the oled panel 106, and
It is between the glass panel 105 and the polarizing coating 104 and between the polarizing coating 104 and the oled panel 106
Vacuum.
Wherein, polarizing coating is set between glass panel and oled panel, display screen module can filter out hand in advance
The first light for referring to the valley regions reflection and/or refraction of fingerprint retains the peak regions reflection of the finger print passed through
And/or the second light of refraction.
As it can be seen that in this example, due to polaroid only allow finger print reflection and/or refracted light in relative to it is described partially
The second light that the incidence angle of vibrating diaphragm is greater than or equal to the predetermined angle is passed through, and the second light is the wave crest of finger print
Therefore some light of second light of region reflection and/or refraction is conducive to fingerprint sensor and only collects Fingers ripple
The fingerprint image in peak region, to carry out fingerprint recognition.
In a possible example, the glass panel and polarizing coating is integrally disposed or lamination setting.
Wherein, glass panel and polarizing coating it is integrally disposed refer to polarizing coating is embedded in glass panel, being formed has optical filtering function
The glass panel of energy.Glass panel and the setting of polarisation film lamination, which refer to, is superimposed one in the side of the close oled panel of glass panel
Layer polaroid is vacuum between glass panel and polarizing coating.
It is glass panel and light polarizing film is integrally disposed or lamination is arranged as it can be seen that in this example, it not only may be implemented to filter
Function reduces fingerprint light, improves the processing speed of fingerprint collecting, and setting method multiplicity, can reduce screen thickness etc..
In a possible example, the polarizing coating and oled panel is integrally disposed or lamination setting.
Wherein, polarizing coating and oled panel it is integrally disposed refer to light polarizing film and oled panel is mutually embedding, formed have filter
The oled panel of function.Polarizing coating and the setting of oled panel lamination refer in the superposition of the side of the close glass panel of oled panel
One layer of polaroid is vacuum between oled panel and polarizing coating.
It is polarizing coating and oled panel is integrally disposed or lamination is arranged as it can be seen that in this example, it not only may be implemented to filter
Function reduces fingerprint light, improves the processing speed 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 display screen module, the screen
Lower fingerprint mould group includes glass panel 105, oled panel 106 and polarizing coating 104, the glass panel 105 and the polarizing coating
The oled panel 106 and between the glass panel 105 and the oled panel 106 and described is provided between 104
It is vacuum between oled panel 106 and the polarizing coating 104.
Wherein, oled panel is set between glass panel and polarizing coating, light polarizing film is by the peak regions of finger print
Second light of reflection and/or refraction is communicated to fingerprint sensor, and fingerprint sensor obtains after can analyzing fingerprint signal
The fingerprint image of finger print peak regions.
As it can be seen that in this example, due to polaroid only allow finger print reflection and/or refracted light in relative to it is described partially
The second light that the incidence angle of vibrating diaphragm is greater than or equal to the predetermined angle is passed through, and the second light is the wave crest of finger print
Therefore some light of second light of region reflection and/or refraction is conducive to fingerprint sensor and only collects Fingers ripple
The fingerprint image in peak region, to carry out fingerprint recognition.
In a possible example, the glass panel and oled panel is integrally disposed or lamination setting.
Wherein, glass panel with oled panel is integrally disposed refers to glass panel and oled panel is mutually embedding, glass panel
Refer to the setting of oled panel lamination and is superimposed one layer of oled panel in the side of the close polarizing coating of glass panel.
It is glass panel and oled panel is integrally disposed or lamination setting can be improved fingerprint and adopt as it can be seen that in this example
The speed and efficiency of collection, and setting method multiplicity, can reduce screen thickness etc..
In a possible example, the oled panel and polarizing coating is integrally disposed or lamination setting.
Wherein, oled panel and polarizing coating are integrally disposed refers to oled panel and polarizing coating is mutually embedding, and being formed has polarisation
The oled panel of function.Oled panel and polarization film lamination setting refer to the side of the fingerprint sensor under the close screen of oled panel
Side is superimposed one layer of light polarizing film.
It is oled panel and polarizing coating is integrally disposed or filtering functions may be implemented in lamination setting as it can be seen that in this example,
Fingerprint light is reduced, the processing speed of fingerprint collecting, and setting method multiplicity is improved, screen thickness etc. can be reduced.
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 the display screen module and is set to the display screen module
Fingerprint sensor under the screen of first predeterminable area, the display screen module are provided with polarizing coating；This fingerprint image processing method packet
It includes:
S401, electronic equipment light the second predeterminable area of the display screen module when detecting fingerprint collecting instruction,
Second predeterminable area is the associated annulus display area of first predeterminable area.
Wherein, the second predeterminable area is the associated annulus display area of the first predeterminable area, and it is default specifically to can be first
The part that the annulus display area of areas outside, i.e. the second predeterminable area and the first predeterminable area are not overlapped can also be
Annulus display area on the inside of one predeterminable area, i.e. the first predeterminable area include the second predeterminable area, be can also be with first in advance
If there are the abundant region in part in the annulus display area that region borders on, i.e. the first predeterminable area and the second predeterminable area.By lighting
Annulus display area is conducive to the light by increasing and reinforcing finger print reflection and/refraction, to more accurately be referred to
Line acquisition.
S402, the electronic equipment enable fingerprint sensor under the screen, wherein the valley regions of the finger print are anti-
The first light penetrated and/or reflected is filtered by the polarizing coating, and the of the reflection of the peak regions of the finger print and/or refraction
Two light are retained by the polarizing coating, first light be the finger print reflection and/or refracted light in relative to
The incidence angle of the polarizing coating is less than the light of predetermined angle, and second light is reflection and/or the folding of the finger print
Penetrate in light relative to the incidence angle of the polarizing coating be greater than or equal to the predetermined angle light, the finger print it is anti-
Penetrate and/or refracted light be the display screen module transmitting light and/or ambient light reflected through the finger print and/or
The light of refraction.
S403, the electronic equipment pass through fingerprint sensor under the screen and acquire second light, referred to after processing
Print image.
Wherein, the reflection of finger print and/or refracted light reach fingerprint sensing under screen after through display screen module
During device, due to including polarizing coating in display screen module, some light of only finger peak regions is passed through
Display screen module, which reaches, shields lower fingerprint sensor, and fingerprint sensor, which is acquired this light, under shielding ultimately forms fingerprint image.
Wherein, the fingerprint image processing method in the embodiment of the present application can be simultaneously using in ambient light and/or screen
Light is set, and the valley regions of finger do not form stimulus signal substantially for final imaging, finger peak regions are for most
End form at image form stimulus signal, therefore light is that image quality is better more by force, preferential use ambient light, built in screen
Light is assisted, and solves the case where extraneous strong light leads to overexposure in optical camera scheme.Meanwhile also solving dry hand
The problem of unobvious and two-dimentional prosthetic finger fingerprint recognition is distinguished in fingerprint peak regions and valley regions imaging in the case of finger, two dimension
Prosthetic finger fingerprint collecting is less than any fingerprint signal.
As can be seen that electronic equipment includes display screen module and is set to display screen module first in the embodiment of the present application
Fingerprint sensor under the screen of predeterminable area；Display screen module is provided with polarizing coating；Wherein, polarizing coating is used for the finger being filtered through
The valley regions of fingerprint reflect and/or the first light of refraction, retain peak regions reflection and/or the folding of the finger print passed through
The second light penetrated, wherein the first light is entering relative to polarizing coating in the reflection and/or refracted light of the finger print
Firing angle is less than the light of predetermined angle, and the second light is in the reflection and/or refracted light of finger print relative to polarizing coating
Incidence angle is greater than or equal to the light of predetermined angle, and the reflection of finger print and/or refracted light are to shield lower fingerprint display screen
Emit the light that light and/or ambient light are reflected and/or reflected through finger print.As it can be seen that since display screen module passes through partially
Vibrating diaphragm has filtered out the first light of the valley regions reflection and/or refraction of finger print, only retains the finger print passed through
Peak regions reflection and/or refraction the second light so that the only finger of peak regions in final collected fingerprint image
Print image, avoiding fingerprint image overexposure leads to the case where not can be carried out identification, while also avoiding dry finger print and knowing
The case where not difficult and two-dimensional surface prosthetic finger fingerprint recognition, is conducive to the processing speed rate for improving electronic equipment acquisition fingerprint
With the reliability of fingerprint recognition.
In a possible example, second predeterminable area for lighting the display screen module, comprising: determine current
Ambient brightness；According to the environment light light luminance, the display brightness of second predeterminable area is determined；According to described
Display brightness lights the corresponding annulus display area of second predeterminable area.
Wherein, electronic equipment is when detecting fingerprint collecting instruction, lights the second predeterminable area of display screen module, second
Predeterminable area is the annulus display area on the outside of the first predeterminable area, the light that the corresponding built-in light source in annulus display area issues
Display screen module is reached after the reflection and/or refraction of the peak regions of finger print and valley regions, ultimately forms wave crest
The fingerprint image in region.
Wherein, the reflection of finger print and/or refracted light can be by what is issued inside display screen module, be also possible to
From environment light, before lighting the second predeterminable area of display screen module, the brightness of current ambient light is first determined, according to
The brightness of ambient light determines the corresponding display brightness of the second predeterminable area, pre- so as to light second according to display brightness
If region, for example, display brightness can be lower when ambient brightness is higher, setting can be 0, to realize energy conservation.
As it can be seen that lighting the second predeterminable area of display screen module in this example, can be conducive to be acquired fingerprint number
According to determining the display brightness of the second predeterminable area according to ambient brightness, be beneficial to energy conservation.
In a possible example, it is described second light is acquired by fingerprint sensor under the screen after, institute
State method further include: put out the second predeterminable area for shielding the display screen module.
As it can be seen that fingerprint sensor can put out the second predeterminable area of screen after collecting the second light under screen in this example, then
Fingerprint recognition is carried out according to collected information by fingerprint sensor, keeps the acquisition of optical finger print efficient, energy saving.
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 the display screen module and is set to the display screen module
Fingerprint sensor under the screen of first predeterminable area；The display screen module is provided with polarizing coating；As shown, this fingerprint image place
Reason method includes:
S501, electronic equipment light the second predeterminable area of the display screen module when detecting fingerprint collecting instruction,
Second predeterminable area is the associated annulus display area of first predeterminable area.
S502, the electronic equipment enable fingerprint sensor under the screen, wherein the valley regions of the finger print are anti-
The first light penetrated and/or reflected is filtered by the polarizing coating, and the of the reflection of the peak regions of the finger print and/or refraction
Two light are retained by the polarizing coating, first light be the finger print reflection and/or refracted light in relative to
The incidence angle of the polarizing coating is less than the light of predetermined angle, and second light is reflection and/or the folding of the finger print
Penetrate in light relative to the incidence angle of the polarizing coating be greater than or equal to the predetermined angle light, the finger print it is anti-
Penetrate and/or refracted light be the display screen module transmitting light and/or ambient light reflected through the finger print and/or
The light of refraction.
S503, the electronic equipment pass through fingerprint sensor under the screen and acquire second light.
S504, the electronic equipment put out the second predeterminable area for shielding the display screen module, are passed by fingerprint under the screen
Fingerprint image is obtained after sensor processing.
As can be seen that electronic equipment includes display screen module and is set to display screen module first in the embodiment of the present application
Fingerprint sensor under the screen of predeterminable area；Display screen module is provided with polarizing coating；Wherein, polarizing coating is used for the finger being filtered through
The valley regions of fingerprint reflect and/or the first light of refraction, retain peak regions reflection and/or the folding of the finger print passed through
The second light penetrated, wherein the first light is entering relative to polarizing coating in the reflection and/or refracted light of the finger print
Firing angle is less than the light of predetermined angle, and the second light is in the reflection and/or refracted light of finger print relative to polarizing coating
Incidence angle is greater than or equal to the light of predetermined angle, and the reflection of finger print and/or refracted light are to shield lower fingerprint display screen
Emit the light that light and/or ambient light are reflected and/or reflected through finger print.As it can be seen that since display screen module passes through partially
Vibrating diaphragm has filtered out the first light of the valley regions reflection and/or refraction of finger print, only retains the finger print passed through
Peak regions reflection and/or refraction the second light so that the only finger of peak regions in final collected fingerprint image
Print image, avoiding fingerprint image overexposure leads to the case where not can be carried out identification, while also avoiding dry finger print and knowing
The case where not difficult and two-dimensional surface prosthetic finger fingerprint recognition, is conducive to the processing speed rate for improving electronic equipment acquisition fingerprint
With the reliability of fingerprint recognition.
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, and light the display screen module second is pre-
If region, second predeterminable area is the associated annulus display area of first predeterminable area；And it is described for enabling
Shield lower fingerprint sensor, wherein the valley regions of the finger print reflect and/or the first light of refraction is by the polarizing coating
Second light of filtering, peak regions reflection and/or the refraction of the finger print is retained by the polarizing coating, first light
Line is the light for being less than predetermined angle in the reflection and/or refracted light of the finger print relative to the incidence angle of the polarizing coating
Line, second light are that the incidence angle in the reflection and/or refracted light of the finger print relative to the polarizing coating is big
In or equal to the predetermined angle light, the reflection of the finger print and/or refracted light are the display screen module
The light that transmitting light and/or ambient light are reflected and/or reflected through the finger print；And for by referring under the screen
Line sensor acquires second light, obtains 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 display screen module and is set to display screen module first in the embodiment of the present application
Fingerprint sensor under the screen of predeterminable area；Display screen module is provided with polarizing coating；Wherein, polarizing coating is used for the finger being filtered through
The valley regions of fingerprint reflect and/or the first light of refraction, retain peak regions reflection and/or the folding of the finger print passed through
The second light penetrated, wherein the first light is entering relative to polarizing coating in the reflection and/or refracted light of the finger print
Firing angle is less than the light of predetermined angle, and the second light is in the reflection and/or refracted light of finger print relative to polarizing coating
Incidence angle is greater than or equal to the light of predetermined angle, and the reflection of finger print and/or refracted light are to shield lower fingerprint display screen
Emit the light that light and/or ambient light are reflected and/or reflected through finger print.As it can be seen that since display screen module passes through partially
Vibrating diaphragm has filtered out the first light of the valley regions reflection and/or refraction of finger print, only retains the finger print passed through
Peak regions reflection and/or refraction the second light so that the only finger of peak regions in final collected fingerprint image
Print image, avoiding fingerprint image overexposure leads to the case where not can be carried out identification, while also avoiding dry finger print and knowing
The case where not difficult and two-dimensional surface prosthetic finger fingerprint recognition, is conducive to the processing speed rate for improving electronic equipment acquisition fingerprint
With the reliability of fingerprint recognition.
In a possible example, it is described light the second predeterminable area of the display screen module in terms of, the place
Reason unit 601 is specifically used for: determining current ambient brightness；And for determining according to the environment light light luminance
The display brightness of second predeterminable area；And it is corresponding for lighting second predeterminable area according to the display brightness
Annulus display area.
It is described after acquiring second light by fingerprint sensor under the screen described in a possible example
Processing unit 601 is specifically used for: putting out the second predeterminable area for shielding the display screen module.
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. a kind of display screen module, which is characterized in that be applied to electronic equipment, the electronic equipment includes the display screen module
Be set to first predeterminable area of display screen module screen under fingerprint sensor；The display screen module is provided with polarization
Film；
The valley regions reflection for the finger print that the polarizing coating is used to be filtered through and/or the first light of refraction, retain logical
The peak regions of the finger print crossed are reflected and/or the second light of refraction, by fingerprint sensor acquisition under the screen Lai
From second light of the display screen module, wherein first light is the reflection and/or refraction of the finger print
It is less than the light of predetermined angle in light relative to the incidence angle of the polarizing coating, second light is the finger print
It is greater than or equal to the light of the predetermined angle in reflection and/or refracted light relative to the incidence angle of the polarizing coating, it is described
The transmitting light and/or ambient light that the reflection of finger print and/or refracted light are the display screen module are through the finger
The light of fingerprint reflection and/or refraction.
2. display screen module according to claim 1, which is characterized in that the display screen module include glass panel,
Oled panel and polarizing coating are provided with the polarizing coating, and the glass surface between the glass panel and the oled panel
It is vacuum between plate and the polarizing coating and between the polarizing coating and the oled panel.
3. display screen module according to claim 2, which is characterized in that the glass panel and the polarizing coating are integrated and set
It sets or lamination is arranged.
4. display screen module according to claim 2, which is characterized in that the polarizing coating and the oled panel are integrated and set
It sets or lamination is arranged.
5. display screen module according to claim 1, which is characterized in that the display screen module include glass panel,
Oled panel and polarizing coating are provided with the oled panel, and the glass surface between the glass panel and the polarizing coating
It is vacuum between plate and the oled panel and between the oled panel and the polarizing coating.
6. display screen module according to claim 5, which is characterized in that the glass panel and the oled panel are integrated
Setting or lamination setting.
7. display screen module according to claim 5, which is characterized in that the oled panel and the polarizing coating are integrated and set
It sets or lamination is arranged.
8. a kind of electronic equipment, which is characterized in that including display screen module and be set to first preset areas of display screen module
Fingerprint sensor under the screen in domain；The display screen module is provided with polarizing coating；
The valley regions reflection for the finger print that the polarizing coating is used to be filtered through and/or the first light of refraction, retain logical
The peak regions for the finger print crossed are reflected and/or the second light of refraction, wherein first light is the finger
Light in the reflection and/or refracted light of fingerprint relative to the incidence angle of the polarizing coating less than predetermined angle, described second
Light is relative to the incidence angle of the polarizing coating in the reflection and/or refracted light of the finger print more than or equal to described
The light of predetermined angle, the reflection of the finger print and/or refracted light be the display screen module transmitting light and/or
The light that ambient light is reflected and/or reflected through the finger print.
9. electronic equipment according to claim 8, which is characterized in that fingerprint sensing under the display screen module and the screen
It is vacuum between device.
10. a kind of fingerprint image processing method, which is characterized in that be applied to electronic equipment, the electronic equipment includes described aobvious
Display screen mould group is arranged with fingerprint sensor under the screen of first predeterminable area of display screen module, the display screen module is set to
There is polarizing coating；The described method includes:
When detecting fingerprint collecting instruction, the second predeterminable area of the display screen module, second predeterminable area are lighted
For the associated annulus display area of first predeterminable area；
Enable fingerprint sensor under the screen, wherein the valley regions of the finger print reflect and/or the first light of refraction
It is filtered by the polarizing coating, the second light of peak regions reflection and/or the refraction of the finger print is protected by the polarizing coating
It stays, first light is that the incidence angle in the reflection and/or refracted light of the finger print relative to the polarizing coating is small
In the light of predetermined angle, second light is in the reflection and/or refracted light of the finger print relative to described inclined
The incidence angle of vibrating diaphragm is greater than or equal to the light of the predetermined angle, and the reflection of the finger print and/or refracted light are institute
The light that the transmitting light and/or ambient light for stating display screen module are reflected and/or reflected through the finger print；
Second light is acquired by fingerprint sensor under the screen, obtains fingerprint image after processing.
11. according to the method described in claim 10, it is characterized in that, second preset areas for lighting the display screen module
Domain, comprising:
Determine current ambient brightness；
According to the environment light light luminance, the display brightness of second predeterminable area is determined；
The corresponding annulus display area of second predeterminable area is lighted according to the display brightness.
12. according to the method described in claim 10, it is characterized in that, described by described in fingerprint sensor acquisition under the screen
After second light, the method also includes:
Put out the second predeterminable area for shielding the display screen module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114630.4A CN109886177B (en) | 2019-02-14 | 2019-02-14 | Display screen module, electronic equipment and fingerprint image processing method |
| PCT/CN2020/075437 WO2020164625A1 (en) | 2019-02-14 | 2020-02-14 | Display screen module, electronic device, and fingerprint image processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114630.4A CN109886177B (en) | 2019-02-14 | 2019-02-14 | Display screen module, electronic equipment and fingerprint image processing method |
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| CN109886177A true CN109886177A (en) | 2019-06-14 |
| CN109886177B CN109886177B (en) | 2021-08-24 |
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| WO (1) | WO2020164625A1 (en) |
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| CN110287852A (en) * | 2019-06-20 | 2019-09-27 | Oppo广东移动通信有限公司 | Finger prints processing method and electronic equipment |
| CN110398748A (en) * | 2019-07-19 | 2019-11-01 | Oppo广东移动通信有限公司 | Distance-measuring device and equipment, method |
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| CN111095288A (en) * | 2019-12-02 | 2020-05-01 | 深圳市汇顶科技股份有限公司 | Optical fingerprint identification device under screen, system and liquid crystal display screen |
| CN111133442A (en) * | 2019-08-06 | 2020-05-08 | 深圳市汇顶科技股份有限公司 | Fingerprint detection device and electronic equipment |
| WO2020164625A1 (en) * | 2019-02-14 | 2020-08-20 | Oppo广东移动通信有限公司 | Display screen module, electronic device, and fingerprint image processing method |
| US11176348B2 (en) | 2019-08-06 | 2021-11-16 | Shenzhen GOODIX Technology Co., Ltd. | Optical fingerprint apparatus and electronic device |
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Also Published As
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| WO2020164625A1 (en) | 2020-08-20 |
| CN109886177B (en) | 2021-08-24 |
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