CN109564625A

CN109564625A - Identification fingerprint method, fingerprint recognition system and electronic equipment based on double induction zones

Info

Publication number: CN109564625A
Application number: CN201880002037.4A
Authority: CN
Inventors: 廖志川; 李顺展; 青小刚
Original assignee: Shenzhen Huiding Technology Co Ltd
Current assignee: Shenzhen Goodix Technology Co Ltd
Priority date: 2018-11-06
Filing date: 2018-11-06
Publication date: 2019-04-02
Also published as: WO2020093251A1

Abstract

Provide a kind of identification fingerprint method, fingerprint recognition system and electronic equipment based on double induction zones.This method comprises: obtaining the finger print information in the first induction region and the second induction region；One or two fingerprint image is generated according to the overlapping cases of the finger print information and first induction region and second induction region, one or two fingerprint images are used for fingerprint register or identification.The embodiment of the present application can determine whether the finger print information in each induction region is used to generate one for fingerprint register or the image of fingerprint recognition by the overlapping cases of first induction region and second induction region, it can either determine whether for the finger print information in the finger print information and second induction region in first induction region to be spliced into the image for being used for fingerprint register or fingerprint recognition, and then realize and fingerprint register or fingerprint recognition are carried out based on the finger print information in double induction regions.

Description

Identification fingerprint method, fingerprint recognition system and electronic equipment based on double induction zones

Technical field

The invention relates to electronic technology fields, and more particularly, to the identification fingerprint based on double induction zones Method, fingerprint recognition system and electronic equipment.

Background technique

With the high speed development of mobile phone industry, fingerprint identification technology is increasingly paid attention to by people, shields lower fingerprint recognition skill The functionization of art has become needed for masses.Fingerprint identification technology is to acquire the light that light source issues by fingerprint sensor under optical panel Line fingerprint recognition in the case where the reflected light that finger reflects to form realizes screen, wherein carrying the fingerprint of finger in the reflected light Information.

But due under optical panel fingerprint identification technology capacitance type fingerprint identification technology is worse than in performance at present, How to improve the fingerprint recognition performance of fingerprint identification technology under optical panel is this field technical problem urgently to be solved.

Summary of the invention

A kind of identification fingerprint method, fingerprint recognition system and electronic equipment based on double induction zones is provided, double senses are passed through Answer region that can effectively improve fingerprint recognition performance.

In a first aspect, providing a kind of method of identification fingerprint based on double induction zones, comprising:

Obtain the finger print information in the first induction region and the second induction region；

One is generated according to the overlapping cases of the finger print information and first induction region and second induction region A or two fingerprint images, one or two fingerprint images are used for fingerprint register or identification.

It is described according to the finger print information and first induction region and described the in some modes in the cards The overlapping cases of two induction regions generate one or two fingerprint image, comprising:

When first induction region and second induction region are not overlapped, institute is generated according to the finger print information respectively State the corresponding fingerprint image of the first induction region and the corresponding fingerprint image of second induction region.

In some modes in the cards, in the corresponding fingerprint image of first induction region and second induction A fingerprint image is selected to carry out fingerprint recognition in the corresponding fingerprint image in region, if fingerprint recognition fails, described first Selected in the corresponding fingerprint image of induction region and the corresponding fingerprint image of second induction region another fingerprint image into Row fingerprint recognition.

When first induction region and second induction region partly overlap, according to first induction region and institute The size of the overlapping region of the second induction region is stated, one or two fingerprint images are generated.

In some modes in the cards, the area of the overlapping region is less than or equal to first threshold；Wherein, institute It states and generates one or two fingerprint images, comprising:

The corresponding fingerprint image of first induction region and second induction are generated respectively according to the finger print information The corresponding fingerprint image in region.

In some modes in the cards, the area of the overlapping region is greater than or equal to second threshold；Wherein, described Generate one or two fingerprint images, comprising:

A fingerprint image is generated according to the finger print information.

It is described that a fingerprint image is generated according to the finger print information in some modes in the cards, comprising:

The corresponding image of first induction region and second induction region are generated respectively according to the finger print information Corresponding image；

According to the lap of the corresponding image of first induction region and the corresponding image of second induction region, By the corresponding image of first induction region and the corresponding image mosaic of second induction region at a fingerprint image.

In some modes in the cards, the area of the overlapping region is less than or equal to third threshold value, the third Threshold value is greater than the second threshold.

In some modes in the cards, the finger print information obtained in the first induction region and the second induction region Before, the method also includes:

By the first condenser lens and the second condenser lens, optical signal is guided to first induction region and institute respectively State the second induction region.

In some modes in the cards, the optical parameter of first condenser lens and second condenser lens Optical parameter is identical.

In some modes in the cards, the optical parameter of first condenser lens and second condenser lens Optical parameter is different.

In some modes in the cards, the corresponding optical sensor array of the first induction region and second sense The corresponding optical sensor array in region is answered to belong to same fingerprint sensor, the corresponding optical sensor array of first induction region There is interval between the corresponding second optical sensor array of second induction region, the interval is for adjusting described first The size of overlapping region between induction region and second induction region.

Pre-process the finger print information；

Pretreated information is carried out according to the overlapping cases and to the finger print information, is generated one or two Fingerprint image.

In some modes in the cards, the center at the center of first induction region and second induction region Between line it is parallel or not parallel with the side of display screen.

In some modes in the cards, one or two fingerprint images are the fingerprint that fingerprint recognition mould group generates Image.

It is described according to the finger print information and first induction region and described the in some modes in the cards Before the overlapping cases of two induction regions generate one or two fingerprint image, the method also includes:

The finger print information is stored to the data buffer storage unit of fingerprint recognition mould group, so as to the processor of electronic equipment The finger print information is read out of described data buffer storage unit, and then generates institute according to the overlapping cases and the finger print information State one or two fingerprint image.

Second aspect provides a kind of fingerprint recognition system, comprising:

Acquiring unit, for obtaining the finger print information in the first induction region and the second induction region；

Image generation unit, for according to the finger print information and first induction region and second induction region Overlapping cases generate one or two fingerprint image, one or two fingerprint images are used for fingerprint register or identification.

In some modes in the cards, described image generation unit is specifically used for:

In some modes in the cards, the area of the overlapping region is less than or equal to first threshold；Wherein, institute Image generation unit is stated to be more particularly for:

In some modes in the cards, the area of the overlapping region is greater than or equal to second threshold；Wherein, described Image generation unit is more particularly for:

A fingerprint image is generated according to the finger print information.

In some modes in the cards, described image generation unit is more particularly for:

In some modes in the cards, the fingerprint recognition system further include:

First condenser lens and the second condenser lens, the acquiring unit is for obtaining the first induction region and the second induction Before finger print information in region, first condenser lens and second condenser lens be respectively used to guide optical signal to First induction region and second induction region.

Pre-process the finger print information；

In some modes in the cards, the fingerprint recognition system further include:

Data buffer storage unit, the data buffer storage unit is for storing the finger print information, so as to the processing of electronic equipment Device reads the finger print information out of described data buffer storage unit, and then is generated according to the overlapping cases and the finger print information One or two fingerprint images.

The third aspect provides a kind of electronic equipment, comprising: any in the cards in second aspect and second aspect Fingerprint recognition system described in mode.

It, can be with by the overlapping cases of first induction region and second induction region based on above technical scheme Determine whether the finger print information in each induction region is used to generate one for fingerprint register or the image of fingerprint recognition, or Person can determine whether the finger print information in the finger print information and second induction region in first induction region One is spliced into for fingerprint register or the image of fingerprint recognition, and then is referred to based on the finger print information realization in double induction regions Line registration or fingerprint recognition.

In addition, the fingerprint recognition system is by the finger print information and second induction region in first induction region When interior finger print information is spliced into one for fingerprint register or the image of fingerprint recognition, first sense can be effectively reduced The object distance of the corresponding condenser lens in region and the corresponding condenser lens of second induction region is answered, and then can be effectively reduced institute State the thickness of fingerprint recognition system.In other words, the method for the identification fingerprint based on double induction zones of the embodiment of the present application can be with Suitable for relatively thin electronic equipment.

In addition, the fingerprint recognition system is according to the finger print information and second induction zone in first induction region When finger print information in domain generates one for fingerprint register or the image of fingerprint recognition respectively, with one induction region of use Interior finger print information is generated to be compared for the image of fingerprint register or fingerprint recognition, and the technical solution of the embodiment of the present application can increase The information content of adding fingerprint information, and then the fingerprint recognition system performance can be effectively improved.

Detailed description of the invention

Fig. 1 is the floor map for the electronic equipment that the application can be applicable in.

Fig. 2 is partial cutaway schematic view of the electronic equipment shown in FIG. 1 along A '-A '.

Fig. 3 is the schematic side sectional figure of the electronic equipment of the application one embodiment.

Fig. 4 to Fig. 7 is respectively the floor map of double induction regions in electronic equipment shown in Fig. 3.

Fig. 8 to Figure 10 is the schematic flow of the method for the identification fingerprint based on double induction zones of the embodiment of the present application respectively Figure.

Figure 11 is the schematic block diagram of the fingerprint recognition system of the application one embodiment.

Figure 12 is the schematic block diagram of the fingerprint recognition system of another embodiment of the application.

Specific embodiment

Below in conjunction with attached drawing, the technical solution in the application is described.

It should be understood that the embodiment of the present application can be applied to system of fingerprints, including but not limited to optics, ultrasonic wave or other refer to Line identifying system and medical diagnostic products based on optics, ultrasonic wave or other fingerprint imagings, the embodiment of the present application is only with optics It is illustrated for system of fingerprints, but any restriction should not be constituted to the embodiment of the present application, the embodiment of the present application is equally applicable to Other are using optics, ultrasonic wave or system of other imaging techniques etc..

It should also be understood that the technical solution of the embodiment of the present application other than it can carry out fingerprint recognition, can also carry out other Living things feature recognition, for example, personal recognition, iris recognition, recognition of face etc., the embodiment of the present application does not also limit this.

As electronic equipment steps into comprehensive screen epoch, the extruding that electronic equipment front fingerprint collecting region is shielded comprehensively, Therefore shield under (Under-display or Under-screen) fingerprint identification technology more and more attention has been paid to.Shield lower fingerprint to know Other technology, which refers to, is mounted on fingerprint recognition mould group (such as fingerprint recognition mould group) below display screen, to realize in display screen Fingerprint recognition operation is carried out in display area, does not need the region setting fingerprint collecting in electronic equipment front in addition to display area Region.

Under optical panel fingerprint identification technology carried out using the light returned from the top surface of equipment display component fingerprint induction and Other inductive operations.The light of the return carries the information of the object (such as finger) contacted with the top surface, by acquiring and detecting The light of the return realizes the particular optical sensor module being located at below display screen.The design of optical sensor module can be Desired optical imagery is realized by being properly configured to acquire and detect the optical element of the light returned.

It should be understood that the technical solution of the embodiment of the present application can be applied to various electronic equipments, such as smart phone, notes The portable or mobiles such as this computer, tablet computer, game station calculate equipment and electronic databank, automobile, bank's automatic cabinet Other electronic equipments such as member's machine (Automated Teller Machine, ATM), but the embodiment of the present application does not limit this.

Fig. 1 shows the front schematic view for the electronic equipment 100 that fingerprint identification device can be applicable in, and Fig. 2 is shown in FIG. 1 Cut-away section structural schematic diagram of the electronic equipment 100 along A-A '.

As shown in Figure 1, electronic equipment 100 may include display screen 120 and fingerprint recognition mould group 140, wherein the display Screen 120 has display area 102, and the lower section of the display screen 120 is arranged in the fingerprint recognition mould group 140.

The display screen 120 can be self light emitting display panel, use with self luminous display unit as display picture Element.For example display screen 120 can be Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display screen Or micro-led (Micro-LED) display screen.In other alternate embodiments, the display screen 120 may be Liquid crystal display (Liquid Crystal Display, LCD) or other passive light emitting displays, the embodiment of the present application is to this With no restrictions.

On the other hand, the display screen 120 can be for example touching display screen, can not only carry out picture and show, also It can detecte touch or the pressing operation of user, to provide a personal-machine interactive interface for user.For example, in a kind of implementation In example, the electronic equipment 100 may include touch sensor, and the touch sensor can be specially touch panel (Touch Panel, TP), it can be set on 120 surface of display screen, partially can also integrate or be monolithically integrated into the display Inside screen 120, to form the touching display screen.

The fingerprint recognition mould group 140 can be specially optical finger print identification mould group, be mainly used for acquiring the finger of user Line information (such as information in fingerprint).In the embodiment of the present application, the fingerprint recognition mould group 140 can be arranged at institute The regional area of the lower section of display screen 120 is stated, so that fingerprint collecting region (or the induction zone of the fingerprint recognition mould group 140 Domain) 130 display areas 102 for being at least partially disposed at the display screen 120.

The area in the fingerprint collecting region 130 can be different from the area of fingerprint recognition mould group 140, such as example, by The light path design of lens imaging, reflective folding light path design or the light path designs such as the convergence of other light or reflection, can be with So that the area in the fingerprint collecting region 130 of the fingerprint recognition mould group 140 is greater than the area of fingerprint recognition mould group 140.At it He substitutes in implementation, if carrying out optical path guidance, the finger of the fingerprint recognition mould group 140 using such as light collimating fashion Line pickup area 130 can also be designed to consistent with the area of the fingerprint recognition mould group 140.

As one embodiment, the fingerprint recognition mould group 140 can specifically include a fingerprint sensor and (also referred to as pass Sensor chip).The lower section of the display screen 120 is arranged in one fingerprint sensor.One fingerprint sensor can be with Two optical sensor arrays are specifically included, each optical sensor array may include multiple optical sensor units, each optics sense Array is answered to correspond to an induction region in the display screen 120.In other words, two induction regions on the display screen 120 Respectively correspond two optical sensor arrays on a fingerprint sensor.It optionally, can be between the two optical sensor arrays There are interval, the interval is for adjusting the big of the overlapping region between first induction region and second induction region It is small.Specifically, the interval is got over hour, and the overlapping region of first induction region and second induction region is bigger.Institute State interval it is bigger when, the overlapping region of first induction region and second induction region it is smaller in addition it is described first sense Answering between region and second induction region does not have overlapping region.That is, one fingerprint sensor can correspond to Two induction regions, and can there is no overlapping region between the two induction regions, there may also be the partial regions of overlapping.

As another embodiment, the fingerprint recognition mould group 140 can specifically include two fingerprint sensors, and described two A optical fingerprint sensor can be disposed side by side on the lower section of the display screen 120.Wherein each fingerprint sensor can be specific Including an optical sensor array, the optical sensor array may include multiple optical sensor units, the optical sensor battle array Column can correspond to an induction region in the display screen 120.In other words, the corresponding induction zone of each fingerprint sensor Domain, i.e., the induction region of described two optical fingerprint sensors collectively form the fingerprint collecting area of the fingerprint recognition mould group 140 Domain 130.

The optical sensor array is specifically as follows optical detector (Photo detector) array (or for photodetection Device array) comprising multiple optical detectors in array distribution, the optical detector can be used as optics sense as described above Answer unit.

As shown in Figure 1, the fingerprint collecting region 130 of the fingerprint recognition mould group 140 may include two sub-regions, this two There are overlapping regions between sub-regions.Each subregion corresponds respectively to one of optical fingerprint sensor or optical sensor The induction region of array.The fingerprint collecting region 130 is located among the display area 102 of the display screen 120, due to using Two optical fingerprint sensors mode arranged side by side, the fingerprint collecting region 130 of the fingerprint recognition mould group 140 can extend To the main region of the lower half portion of the display area 102, that is, the usual pressing area of finger is expanded to, to realize blind by formula Fingerprint input operation.

Optionally, when the fingerprint collecting region 130 is sufficiently large, for example, the fingerprint collecting region 130 expands to half Half screen fingerprint detection may be implemented in a display area.

User is when needing to be unlocked the electronic equipment 100 or other fingerprint authentications, it is only necessary to by hand Refer to that pressing in the fingerprint collecting region 130 for being located at the display screen 120, can realize fingerprint input operation.Since fingerprint is adopted Collection and detection can realize inside the display area 102 of the display screen 120,100 nothing of electronic equipment using the above structure The special reserved space in its front is needed to be arranged fingerprint key (such as Home key), thus can be using screen displaying scheme comprehensively, i.e., The display area 102 of the display screen 120 can extend substantially to the entire front of the electronic equipment 100.In addition, passing through two Sub-regions carry out the acquisition of finger print information, can be effective compared with the acquisition for carrying out finger print information by an induction region Increase fingerprint collecting region, and then improves fingerprint recognition performance.

In a particular embodiment, two optical fingerprint sensors that the fingerprint recognition mould group 140 includes can be respectively The sensor chip of individual packages, be also possible to be encapsulated in after being made as two chips (Die) the same chip packing-body it It is interior, it can also be the different zones that the same chip (Die) is produced on by semiconductor technology.

On the other hand, the fingerprint sensor, can also be with institute other than including optical sensor array as described above State the reading circuit and/or other auxiliary circuits of induction arrays electric connection.As a kind of optional implementation, the optics Optical path modulation device is also provided with above fingerprint sensor.By taking collimator as an example, independent optical component patch can be used as It closes above the induction arrays of the fingerprint sensor, the core of the fingerprint sensor can also be integrated in by semiconductor technology Inside piece, to realize ultra-thin fingerprint recognition mould group 140.

Specifically, the optical path modulation device can be the optical collimator using the through-hole array with high-aspect-ratio, mainly For the fingerprint detection light propagated downwards to be collimated, modulated and is imaged, realization will be reflected anti-from finger surface It penetrates light guide and leads to the induction arrays progress optical detection to obtain information in fingerprint.

Optionally, corresponding with two fingerprint sensors that the fingerprint recognition mould group 140 includes, the fingerprint is known Other mould group 140 may include two optical path modulation devices, each optical path modulation device respectively corresponds a fingerprint sensor, and respectively The top of its corresponding fingerprint sensor is arranged in fitting.Alternatively, described two fingerprint sensors can also share an entirety Optical path modulation device, i.e., the described optical path modulation device has sufficiently large area to cover the sense of described two fingerprint sensors Answer array.

In addition, between the optical path modulation device and the fingerprint sensor or the display screen 120 and the optical path Between modulator, other optical elements, such as optical filter (Filter) or other optical diaphragms are also provided with, it is main The influence that optical finger print is detected for external interference light to be isolated.Wherein, the optical filter, which can be used for filtering out, penetrates finger simultaneously Enter the environment light in the fingerprint collecting region 130 by the display screen 120, it is similar with the optical path modulation device, it can be with Optical filter is respectively set for each fingerprint sensor to filter out interference light, or can also be using a large area optical filter simultaneously Cover described two fingerprint sensors.

Alternatively, the optical path modulation device can also be replaced using optical lens (Lens), on the optical lens Side can form the fingerprint sensor that aperture cooperates the optical lens that fingerprint detection light is converged to lower section by light screening material To realize fingerprint imaging.Analogously, an optical lens can be configured for each fingerprint sensor, to carry out fingerprint Imaging.Alternatively, described two fingerprint sensors can use the same optical lens also to realize light convergence and fingerprint imaging. In other alternate embodiments, fingerprint sensor can also even have that there are two induction arrays (Dual Array), together When for described two induction arrays configure two optical lens, to carry out optical imagery, thus reduce image-forming range and enhance at As effect.

By taking the display screen 120 is using OLED display screen as an example, the luminescent layer of the display screen 120 has the embodiment of the present application There is the OLED display unit array in array arrangement, the fingerprint recognition mould group 140 can use the OLED display screen 120 The excitation light source that OLED display unit (i.e. OLED light source) positioned at the fingerprint collecting region 130 is identified as fingerprint detection.

Of course it is to be understood that the fingerprint recognition mould group 140 can also use built in light in other substitution implementations Source or external light source provide the optical signal for carrying out fingerprint detection identification.In this case, shield lower fingerprint recognition dress It sets and not only can be adapted for such as OLED display screen self light emitting display panel, can be applicable to non-spontaneous smooth display screen, such as liquid Crystal display screen or other passive light emitting displays.

For applying in the liquid crystal display with backlight module and liquid crystal display panel, under the screen to support liquid crystal display Fingerprint detection, the electronic equipment 100 can also include the excitation light source for optical finger print detection, and the excitation light source can be with The specially light source of infrared light supply or specific wavelength non-visible light.By taking infrared light supply as an example, it can be set in the liquid crystal Below the backlight module of display screen or the fringe region that is arranged in below the cover sheet of the electronic equipment 100, and it is described Fingerprint recognition mould group 140 is arranged below the backlight module, and the backlight module passes through to diffusion sheet, blast piece, reflection The film layers such as piece carry out aperture or other optical designs to allow fingerprint detection light to pass through liquid crystal display panel and backlight module and reach The fingerprint sensor of the fingerprint recognition mould group 140.

When finger is touched, presses or adopted close to (for ease of description, referred to collectively herein as pressing) in the fingerprint When collecting region 130, the display unit in the fingerprint collecting region 130 or the fingerprint detection additionally configured motivate light source to issue Light occurs to reflect and forms reflected light in finger, wherein the reflected light can carry the finger print information of user's finger.Than Such as, after the light is reflected by the fingerprint on user's finger surface, due to the wrinkle ridge of finger print and the reflected light of line paddy It is different, therefore reflected light Portable belt has the finger print information of user.The reflected light returns to the display screen 120 and by under it The photodetector array of the fingerprint recognition mould group 140 of side receives and is converted to corresponding electric signal, i.e. fingerprint detection signal. The electronic equipment 100 can obtain the finger print information of user based on the fingerprint detection signal, and can further into Row fingerprint matching verifying, to complete the authentication of active user in order to confirm whether it has permission to the electronic equipment 100 carry out corresponding operation.

It should be understood that the electronic equipment 100 further includes cover sheet 110, the cover board in specific implementation 110 can be specially transparent cover plate, such as glass cover-plate or sapphire cover board, be located at the top of the display screen 120 simultaneously The front of the electronic equipment 100 is covered, and 110 surface of the cover sheet is also provided with protective layer.Therefore, the application In embodiment, so-called finger, which presses the display screen 120, can actually refer to finger pressing above the display screen 120 Cover board 110 or the covering cover board 110 protective layer.

On the other hand, the lower section of the fingerprint recognition mould group 140 is also provided with circuit board 150, such as flexible circuit Plate (Flexible Printed Circuit, FPC), the fingerprint recognition mould group 140 can pass through pad solder to the electricity Road plate 150, and realized and the other elements of other peripheral circuits or the electronic equipment 100 by the circuit board 150 Electrically interconnection and signal transmission.For example, the fingerprint recognition mould group 140 can receive the electronics by the circuit board 150 The control signal of the processing unit of equipment 100, and can also be exported the fingerprint detection signal by the circuit board 150 Processing unit or control unit to the electronic equipment 100 etc..

Fig. 3 is the schematic side sectional figure of the electronic equipment 200 of the application one embodiment.

As shown in figure 3, the electronic equipment 200 may include:

210, two condenser lenses of display screen (i.e. the first condenser lens 231 and the second condenser lens 232), a filter plate 240 and two fingerprint sensors (i.e. the first fingerprint sensor 251 and the second fingerprint sensor 252).

It should be understood that display screen 210 shown in Fig. 3 can be Fig. 1 and display screen shown in Fig. 2 120, shown in Fig. 3 first refers to Line sensor 251 and the second fingerprint sensor 252 can be fingerprint recognition mould group 140 as depicted in figs. 1 and 2, shown in Fig. 3 Filter plate 240 can be filter plate involved in the explanation of Fig. 1 and Fig. 2.In order to avoid repeat, herein to the display screen 210, The filter plate 240, the specific structure of first fingerprint sensor 251 and the second fingerprint sensor 252 and type are not done It repeats.

In the embodiment of the present application, corresponding first induction region 221 of first fingerprint sensor 251 can be with described Corresponding second induction region 222 of two fingerprint sensor 252 forms knowing for fingerprint register or fingerprint for the electronic equipment 200 Other induction region.

Specifically, the electronic equipment 200 can pass through first induction region 221 and second induction region 222 overlapping cases determine whether the finger print information in each induction region can be used for generating one for fingerprint register or refer to The image of line identification, or can determine whether to feel the finger print information and described second in first induction region 221 It answers the finger print information in region 222 to be spliced into one for fingerprint register or the image of fingerprint recognition, and then realizes based on double Finger print information in induction region carries out fingerprint register or fingerprint recognition.

In addition, can effectively be dropped when the electronic equipment 200 identifies the fingerprint of user by way of splicing fingerprint image The object distance of low first condenser lens 231 and the object distance of second condenser lens 232, and then can be effectively reduced the electricity The thickness of sub- equipment 200.

In addition, fingerprint can be effectively increased when the finger print information in each induction region is for generating a fingerprint image The information content of information, and then the fingerprint recognition performance of the electronic equipment 200 can be effectively increased.

As shown in figure 3, the object distance (P as shown in the figure) of first condenser lens 231 is the following table of the display screen 210 Vertical range between face and the optical centre of first condenser lens 231, the image distance of first condenser lens 231 is (such as Q shown in figure) it is between the optical centre of first condenser lens 231 and the upper surface of first fingerprint sensor 251 Vertical range.Similar, the object distance of second condenser lens 232 is the lower surface and described second of the display screen 210 Vertical range between the optical centre of condenser lens 232, the image distance of second condenser lens 232 are that second focusing is saturating Vertical range between the optical centre of mirror 232 and the upper surface of second fingerprint sensor 252.

Optionally, the optical parameter of first condenser lens 231 is equal to the Optical Parametric of second condenser lens 232 Number.

For example, object distance of the object distance of first condenser lens 231 equal to second condenser lens 232, described first The image distance of condenser lens is equal to the image distance of second condenser lens.In another example the angle of visibility of first condenser lens 231 (a as shown in the figure) can also be equal to the angle of visibility (b as shown in the figure) of second condenser lens 232.

Based on above technical scheme, the optical parameter of first condenser lens 231 and second condenser lens 232 Optical parameter is completely the same, can make the imaging effect and second fingerprint sensor of first fingerprint sensor 251 252 imaging effect is same or similar.The fingerprint image that first fingerprint sensor 251 is obtained as a result, and described When the fingerprint image that two fingerprint sensors 252 obtain is spliced, the splicing difficulty of fingerprint image can be effectively reduced.

Optionally, the optical parameter of first condenser lens 231 can also be not equal to second condenser lens 232 Optical parameter.

For example, the angle of visibility (a as shown in the figure) of first condenser lens 231 is equal to second condenser lens 232 Angle of visibility (b as shown in the figure) when, the object distance of first condenser lens 231 is greater than the object of second condenser lens 232 Away from.

In the embodiment of the present application, focused by the optical parameter and described second of distinguishing first condenser lens 231 saturating The optical parameter of mirror 232, the finger print information and second fingerprint sensing that first fingerprint sensor 251 can be made to obtain The finger print information that device 252 obtains is able to carry out effective supplement, and then improves the fingerprint recognition performance of the electronic equipment 200.

As shown in figure 3, first induction region 221 and second induction region 222 partly overlap, it is therefore, described The fingerprint image and second fingerprint sensor 252 that electronic equipment 200 can be obtained according to first fingerprint sensor 251 The lap of the fingerprint image of acquisition carries out the splicing of fingerprint image.

Optionally, first induction region 221 and second induction region 222 can be weighed partially in a first direction It is folded.The first direction can for the display screen 210 line institute between the first center and the second center planar Direction, wherein first center can be the center of first induction region 221, second center can be institute State the center of the second induction region 222.Optionally, the first direction is parallel with the short side of upper surface of the display screen 210 Or intersection.Optionally, the first direction is parallel with the long side of the upper surface of the display screen 210 or intersects.

The overlapping region 223 of first induction region 221 and second induction region 222 is in said first direction Width be less than first threshold and be greater than second threshold.Optionally, the width of first induction region 221 and second sense Answer the width in region 222 equal.Optionally, first induction region 221, second induction region 222 and described heavy Width of the folded region 223 in the second direction of the vertical first direction is equal.

It should be understood that Fig. 3 is only a kind of example of the embodiment of the present application, the limitation to the embodiment of the present application should not be construed as. For example, the quantity of fingerprint sensor shown in Fig. 3 and/or condenser lens, size and arrangement situation are merely illustrative, it can be according to reality Border demand is adjusted, and the embodiment of the present application is not particularly limited this.For example, in other alternate embodiments, described One fingerprint sensor 251 and second fingerprint sensor 252 could alternatively be two optical sensors of a fingerprint sensor Array.The embodiment of the present application is not specifically limited in this embodiment.

Fig. 4 is the signal of the first induction region 221 and the second induction region 222 in electronic equipment 200 shown in Fig. 3 Figure.

As shown in figure 4, the shape of first induction region 211 and the shape of second induction region 222 can be equal For the inscribed rectangle in circle.Wherein, border circular areas belonging to first induction region 221 can be first fingerprint and pass The visible area (view area, VA) of sensor 251, border circular areas belonging to second induction region 222 can be described second The visible area of fingerprint sensor 252.For example, first induction region 211 can be first fingerprint sensor 251 can Actual induction region in vision area.Second induction region 222 can be in the visible area of second fingerprint sensor 252 Actual induction region.

Alternatively, the actual induction region can also be known as effective light-sensitive area or valid data pickup area Or effective sensing region.

It should be understood that Fig. 4 is only a kind of example of the embodiment of the present application, the limitation to the embodiment of the present application should not be construed as. For example, the quantity of induction region shown in Fig. 4, size and arrangement situation are merely illustrative, can be adjusted according to actual needs, The embodiment of the present application is not particularly limited this.For example, in other alternate embodiments, the induction of the electronic equipment 200 Areal can be 3,4 or 5 etc., and the visible area of the electronic equipment 200 can be in distributed rectangular etc., the electronics The actual induction region of equipment 200 rounded can be distributed.

For example, as shown in Figures 5 to 7, the display area 211 of the display screen 210 of the electronic equipment 200 includes described the First induction region 221 of one fingerprint sensor 251 and the second induction region 222 of the second fingerprint sensor 252, wherein institute It states the first induction region 221 and second induction region 222 is non-overlapping.Optionally, as shown in figure 5, first induction zone Line between the center in domain 221 and the center of second induction region 222 is parallel with the short side of the display area 211. Optionally, as shown in fig. 6, company between the center of first induction region 221 and the center of second induction region 222 Line is parallel with the long side of the display area 211.Optionally, as shown in fig. 7, the center of first induction region 221 and institute It states line between the center of the second induction region 222 and the side of the display area 211 is not parallel.

It should be noted that for purposes of illustration only, identical appended drawing reference indicates phase in Fig. 3 into embodiment shown in Fig. 7 Same component, and for sake of simplicity, in different embodiments, omit the detailed description to same parts.

The registered fingerprint of the embodiment of the present application or the method for identifying fingerprint are described in detail below.

Fig. 8 is the schematic flow chart of the method 200 of the identification fingerprint of the application one embodiment.It should be understood that the side The executing subject of method 200 can be the fingerprint identification device 140 in electronic equipment 100 as depicted in figs. 1 and 2, be also possible to Fig. 1 and electronic equipment shown in Fig. 2 100, the embodiment of the present application is not specifically limited in this embodiment.For ease of description, below to refer to For line identifying system is the executing subject of the method 300.

As shown in figure 8, the method 300 may include:

S310, fingerprint recognition system obtain the finger print information in the first induction region and the second induction region；

S320, the fingerprint recognition system is according to the finger print information and first induction region and second induction The overlapping cases in region generate one or two fingerprint image, and one or two fingerprint images are used for fingerprint register or knowledge Not.

Based on above technical scheme, the fingerprint recognition system passes through first induction region and second induction zone The overlapping cases in domain can determine the finger print information in each induction region whether be used to generate one for fingerprint register or The image of fingerprint recognition, or can determine whether to incude the finger print information and described second in first induction region Finger print information in region is spliced into one for fingerprint register or the image of fingerprint recognition, and then based in double induction regions Finger print information realize fingerprint register or fingerprint recognition.

In addition, the fingerprint recognition system is by the finger print information and second induction region in first induction region When interior finger print information is spliced into one for fingerprint register or the image of fingerprint recognition, first sense can be effectively reduced The object distance of the corresponding condenser lens in region and the corresponding condenser lens of second induction region is answered, and then can be effectively reduced institute State the thickness of fingerprint recognition system.In other words, the method for the identification fingerprint of the embodiment of the present application can be adapted for relatively thin electricity Sub- equipment.

The specific implementation of S320 is described in detail below.

Optionally, when first induction region and second induction region are not overlapped, the fingerprint recognition system can To generate the corresponding fingerprint image of first induction region and second induction region pair respectively according to the finger print information The fingerprint image answered.

Optionally, when first induction region and second induction region partly overlap, the fingerprint recognition system It can be generated one or two according to the size of the overlapping region of first induction region and second induction region Fingerprint image.

As one embodiment, the area of the overlapping region is less than or equal to first threshold；The fingerprint recognition system System can generate the corresponding fingerprint image of first induction region and second induction zone respectively according to the finger print information The corresponding fingerprint image in domain.The first threshold can be also possible to a numberical range with a specifically numerical value, and the application is real Example is applied to be not specifically limited in this embodiment.For example, the first threshold can be first induction region and second induction zone The percent value of the area of any induction region in domain.Such as 5%.

As another embodiment, the area of the overlapping region is greater than or equal to second threshold；The fingerprint recognition system System can generate a fingerprint image according to the finger print information.The second threshold can be with a specifically numerical value, can also be with It is a numberical range, the embodiment of the present application is not specifically limited in this embodiment.For example, the second threshold can be first sense Answer the percent value of the area of any induction region in region and second induction region.Such as 20%.

Specifically, the fingerprint recognition system first can generate first induction region according to the finger print information respectively Corresponding image and the corresponding image of second induction region；Then according to the corresponding image of first induction region and institute The lap for stating the corresponding image of the second induction region, by the corresponding image of first induction region and second induction The corresponding image mosaic in region is at a fingerprint image.

Optionally, the area of the overlapping region is less than or equal to third threshold value, and the third threshold value is greater than described second Threshold value.The third threshold value can be also possible to a numberical range, the embodiment of the present application does not do this with a specifically numerical value It is specific to limit.For example, the third threshold value can be any induction in first induction region and second induction region The percent value of the area in region.Such as 80%.That is, the area of the overlapping region in first induction region or The area of second induction region 20% to 80% when, the fingerprint recognition system according to the finger print information generate one Fingerprint image.

Optionally, the fingerprint recognition system obtain the finger print information in the first induction region and the second induction region it Before, optical signal can be separately directed to by first induction region and second induction by least one optical path modulation device Region.

Specifically, the fingerprint recognition system can also include at least one optical path modulation device and two fingerprint sensors, The i.e. described fingerprint recognition system can first pass through at least one described optical path modulation device, optical signal is separately directed to described two Fingerprint sensor；Then the fingerprint recognition system obtains described two fingerprint sensors pair by described two fingerprint sensors The finger print information in two induction regions answered.In other alternate embodiments, described two fingerprint sensors are also replaceable To have a fingerprint sensor there are two photoinduction array.

The optical path modulation device can be also used for filtering out stray light to obtain effective optical signal etc..

Wherein, the optical path modulation device for example may include beam path alignment device, condenser lens, microlens array, optical fiber array Arrange (having core or centreless) etc..For example, at least one described optical path modulation device may include the first condenser lens as shown in Figure 3 231 and second condenser lens 232.Described two fingerprint sensors or photoinduction array can arrange in pairs or groups using different type Optical path modulation device, the optical path modulation device of same type also can be used.

When at least one described optical modulator is at least one condenser lens, the optics of at least one condenser lens Parameter and arrangement mode can be used for controlling whether described two induction regions are overlapped, and the described two overlapping regions of control Overlapping region size.For example, the image distance and object distance parameter of at least one condenser lens can be used for controlling described two Whether a induction region is overlapped, and controls the size of the overlapping region of described two induction regions.

The corresponding fingerprint sensor of the optical path modulation device can be packaged together, and can also be used as corresponding The relatively independent component of fingerprint sensor is mounted on the inside of fingerprint recognition mould group 140 as shown in Figure 1.The embodiment of the present application pair This is not specifically limited.

At least one described optical path modulation device can be two optical path modulation devices, wherein an optical path modulation device can be right Answer a fingerprint sensor or a photoinduction array.

It should be understood that described two fingerprint sensors in the embodiment of the present application can be in fingerprint recognition mould group by the use The fingerprint sensor that family effectively presses.But the embodiment of the present application is without being limited thereto.For example, in other alternate embodiments, it is described Fingerprint recognition system can acquire the finger print information of fingerprint sensor all in fingerprint recognition mould group, then described all The collected finger print information of the fingerprint sensor effectively pressed by the user is filtered out in the finger print information of fingerprint sensor.

In one embodiment of the application, the fingerprint recognition system obtains the letter of the fingerprint in described two induction regions After breath, the finger print information in described two induction regions is pre-processed；Then according to the overlapping of described two induction regions Situation and pretreated information is carried out to the finger print information in described two induction regions, generates at least one described fingerprint image Picture.At least one described fingerprint image is for carrying out fingerprint recognition.

Fig. 9 is the schematic flow chart of the method 400 of the identification fingerprint of the embodiment of the present application.

As described in Figure 9, the method 400 may include:

S410 starts the other process of fingerprint register process or fingerprint.

S420, for fingerprint recognition system configuration two fingerprint sensors of configuration.

S430, the fingerprint recognition system acquire described two fingerprint sensors by described two fingerprint sensors and correspond to Two induction regions in finger print information.

S440, the fingerprint recognition system carry out the finger print information in described two induction regions by preprocessing process Pretreatment, filters out effective finger print information in each induction region, and according to effective in each induction region Finger print information generates fingerprint image.

S450, the fingerprint recognition system generate two fingers according to effective finger print information in described two induction regions After print image, described two fingerprint images are spliced into a fingerprint image, one fingerprint image is for carrying out fingerprint note Volume or fingerprint recognition.

S460, the fingerprint recognition system carry out fingerprint register or identification according to one fingerprint image.

S470, when the fingerprint recognition system carries out fingerprint register according to one fingerprint image, by one finger Print image is registered as fingerprint template.Specifically one fingerprint image can be stored in the fingerprint recognition system Storage unit or memory.

S480, the fingerprint recognition system carry out fingerprint recognition according to one fingerprint image.

S481, when the fingerprint recognition system carries out fingerprint recognition according to one fingerprint image, by one finger The fingerprint template stored in print image and the fingerprint recognition system is matched, if successful match, fingerprint recognition success. Otherwise fingerprint recognition fails.

S482 can carry out corresponding application operating when the fingerprint recognition system determines fingerprint recognition success.For example, Unlock operation or delivery operation etc..

S490, fingerprint register process or fingerprint recognition process terminate.

In another embodiment of the application, the system of fingerprints can be based on one in described two fingerprint images Fingerprint image carries out fingerprint recognition.The fingerprint recognition system can specifically select a fingerprint in described two fingerprint images Image carries out fingerprint recognition, if identification fingerprint failure, selects another fingerprint image to carry out in described two fingerprint images Fingerprint recognition.

Figure 10 is the schematic flow chart of the method 500 of the identification fingerprint of the embodiment of the present application.

As described in Figure 10, the method 500 may include:

S510 starts the other process of fingerprint register process or fingerprint.

S520, for fingerprint recognition system configuration two fingerprint sensors of configuration.

S530, the fingerprint recognition system acquire described two fingerprint sensors by described two fingerprint sensors and correspond to Two induction regions in finger print information.

S540, the fingerprint recognition system carry out the finger print information in described two induction regions by preprocessing process Pretreatment, filters out effective finger print information in each induction region, and according to effective in each induction region Finger print information generates fingerprint image.The i.e. described fingerprint recognition system generates corresponding two fingerprint images of described two induction regions Picture.

S550, the fingerprint recognition system carry out fingerprint register or identification according to described two fingerprint images.

S560, when the fingerprint recognition system carries out fingerprint register according to described two fingerprint images, by each fingerprint image As being registered as fingerprint template.Each fingerprint image can be specifically stored in the storage of the fingerprint recognition system Unit or memory.

S570, the fingerprint recognition system carry out fingerprint knowledge according to a fingerprint image in described two fingerprint images Not.

S571, when the fingerprint recognition system carries out fingerprint recognition according to one fingerprint image, by one finger The fingerprint template stored in print image and the fingerprint recognition system is matched, if successful match, fingerprint recognition success. Otherwise fingerprint recognition fails.

S572, when the fingerprint recognition system carries out fingerprint recognition failure according to one fingerprint image, described in selection Another fingerprint image in two fingerprint images carries out fingerprint recognition.

S573 will be described another when the fingerprint recognition system carries out fingerprint recognition according to another described fingerprint image The fingerprint template stored in a fingerprint image and the fingerprint recognition system is matched, if successful match, fingerprint recognition Success.Otherwise fingerprint recognition fails.

S574 can carry out corresponding application operating when the fingerprint recognition system determines fingerprint recognition success.For example, Unlock operation or delivery operation etc..

S580, fingerprint register process or fingerprint recognition process terminate.

Optionally, in some embodiments, one or two fingerprint images are the fingerprint that fingerprint recognition mould group generates Image.Optionally, in further embodiments, fingerprint recognition mould group stores the finger print information in each induction region to described In the data buffer storage unit of fingerprint recognition mould group, read out of described data buffer storage unit so as to the processor of electronic equipment described in Finger print information, and then according to the finger print information and second induction zone in the overlapping cases, first induction region Finger print information in domain generates one or two fingerprint images.

Above in association with Fig. 8 to Figure 10, the present processes side embodiment is described in detail, it is detailed below in conjunction with Figure 11 and Figure 12 The system side embodiment and device side embodiment of thin description the application, it should be appreciated that system side embodiment and device side embodiment with Method side embodiment corresponds to each other, and similar description is referred to method side embodiment.

Figure 11 is the schematic block diagram of the fingerprint recognition system 600 of the application one embodiment.

As shown in figure 11, the fingerprint recognition system 600 may include:

Acquiring unit 610, for obtaining the finger print information in the first induction region and the second induction region；

Image generation unit 620, for according to the finger print information and first induction region and second induction The overlapping cases in region generate one or two fingerprint image, and one or two fingerprint images are used for fingerprint register or knowledge Not.

Optionally, in some embodiments of the present application, described image generation unit 620 is specifically used for:

Optionally, in some embodiments of the present application, the area of the overlapping region is less than or equal to first threshold； Wherein, described image generation unit 620 is more particularly for:

Optionally, in some embodiments of the present application, the area of the overlapping region is greater than or equal to second threshold；Its In, described image generation unit 620 is more particularly for:

A fingerprint image is generated according to the finger print information.

Optionally, in some embodiments of the present application, described image generation unit 620 is more particularly for:

The corresponding image of first induction region and second induction region are generated respectively according to the finger print information Corresponding image；According to the overlapping portion of the corresponding image of first induction region and the corresponding image of second induction region Point, by the corresponding image of first induction region and the corresponding image mosaic of second induction region at a fingerprint image Picture.

Optionally, in some embodiments of the present application, the area of the overlapping region is less than or equal to third threshold value, institute Third threshold value is stated greater than the second threshold.

Optionally, in some embodiments of the present application, the fingerprint recognition system further include:

First condenser lens and the second condenser lens, the acquiring unit 610 is for obtaining the first induction region and second Before finger print information in induction region, first condenser lens and second condenser lens are respectively used to draw optical signal It is directed at first induction region and second induction region.

Optionally, in some embodiments of the present application, the optical parameter of first condenser lens and described second gathers The optical parameter of focus lens is identical.

Optionally, in some embodiments of the present application, the optical parameter of first condenser lens and described second gathers The optical parameter of focus lens is different.

Optionally, in some embodiments of the present application, the corresponding optical sensor array of first induction region and institute It states the corresponding optical sensor array of the second induction region and belongs to same fingerprint sensor, the corresponding optics of first induction region There is interval between induction arrays and the corresponding second optical sensor array of second induction region, the interval is for adjusting The size of overlapping region between first induction region and second induction region.

Pre-process the finger print information；

Optionally, in some embodiments of the present application, the center of first induction region and second induction zone Line between the center in domain is parallel or not parallel with the side of display screen.

Optionally, in some embodiments of the present application, one or two fingerprint images are raw for fingerprint recognition mould group At fingerprint image.

It should be understood that two fingerprint sensors of the embodiment of the present application can be set in fingerprint recognition mould group, the fingerprint Identification mould group can correspond to the fingerprint recognition mould group 140 in Fig. 1, and the fingerprint mould group can be set in the lower section of display screen.

It should also be understood that the acquiring unit 610 and/or image generation unit 620 of the embodiment of the present application can be specially to handle Device, the processor can be a kind of IC chip, the processing capacity with signal.During realization, the above method Each step of embodiment can be completed by the integrated logic circuit of the hardware in processor or the instruction of software form.

The processor can include but is not limited to:

General processor, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components etc..

The processor can be used to implement or execute disclosed each method, step and logic in the embodiment of the present application Block diagram.The step of method in conjunction with disclosed in the embodiment of the present application, can be embodied directly in hardware decoding processor and execute completion, Or in decoding processor hardware and software module combination execute completion.Software module can be located at random access memory, dodge It deposits, read-only memory, the storage of this fields such as programmable read only memory or erasable programmable memory, register maturation In medium.The storage medium is located at memory, and processor reads the information in memory, completes the above method in conjunction with its hardware Step.

It should be understood that the data buffer storage unit of the embodiment of the present application can be specially memory.

The memory includes but is not limited to:

Volatile memory and/or nonvolatile memory.Wherein, nonvolatile memory can be read-only memory (Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, ) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random-access Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDR SDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), same Step connection dynamic random access memory (synch link DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DR RAM).

It is suitble to it should be noted that the memory of system and method described herein is intended to include but is not limited to these with any other The memory of type.

It should be noted that the fingerprint recognition system 600 of the embodiment of the present application can be applied to it is as depicted in figs. 1 and 2 Fingerprint identification device 140 in electronic equipment 100, also can be applied to Fig. 1 and electronic equipment shown in Fig. 2 100, and the application is real Example is applied to be not specifically limited in this embodiment.

For example, the fingerprint recognition system 600 can be set in fingerprint recognition mould group.Alternatively, the fingerprint recognition system System 600 can be the fingerprint mould group.Alternatively, the fingerprint recognition system 600 may include the fingerprint mould group.

In another example the fingerprint recognition system 600 also can be set in the electronic device.Alternatively, the fingerprint recognition system System 600 or the electronic equipment.Alternatively, the fingerprint recognition system 600 may include the electronic equipment.

It should be appreciated that the matching behaviour when pretreatment operation and fingerprint recognition in the above method side embodiment of the application Work can be executed by the unit module in fingerprint recognition system 600, and specifically, function performed by the unit module can be by Microcontroller (Micro Control Unit, MCU) in fingerprint mould group executes, and can also be held by the processor of electronic equipment Row, can also be executed jointly by the MCU of the fingerprint mould group and the processor of electronic equipment.The embodiment of the present application, which does not do this, to be had Body limits.It in other words, may include pretreatment unit and/or fingerprint recognition in the fingerprint recognition system of the embodiment of the present application 600 Unit can not also include the pretreatment unit and the fingerprint identification unit.If the fingerprint recognition system 600 does not include When the pretreatment unit, on the finger print information in double induction regions that the fingerprint recognition system 600 can will acquire Offer the pretreatment that device or equipment with pretreatment unit carry out finger print information.If the fingerprint recognition system 600 includes Pretreatment unit and when not including the fingerprint identification unit, the fingerprint recognition system 600 can be by pretreated information It is reported to device or equipment with fingerprint identification unit, in order to which the fingerprint identification unit carries out subsequent fingerprint recognition behaviour Make.

Figure 12 is the schematic block diagram of another fingerprint recognition system 700 of the embodiment of the present application.

As shown in figure 12, the fingerprint recognition system 700 may include:

The processor 710 and fingerprint recognition mould group 720 of electronic equipment.Wherein, the processor 710 of the electronic equipment can be with Including control module 711, fingerprint register identification module 712, data preprocessing module 713 and data acquisition module 714.It is described Fingerprint recognition mould group 720 may include that the first fingerprint sensor 725, the second fingerprint sensor 724, power module 723, data are slow Memory cell 722 and control unit 721.In other alternate embodiments, the processor 710 of the electronic equipment can also claim For master control (host) module of the electronic equipment.

The control module 711 may include touch control (Touch Panel, TP) module and fingerprint control module, In, the contact control module can be used for detecting the pressing area of user on a display screen, the fingerprint control module control The fingerprint sensor effectively pressed is opened, the embodiment of the present application is not construed as limiting this.

In fingerprint register identification process, the processor 710 of the electronic equipment can be controlled by the control module 711 It makes the fingerprint recognition mould group 720 and obtains finger print information in induction region, and obtain from the fingerprint recognition mould group 720 described Finger print information in induction region.It is pre- by the data after the processor 710 of the electronic equipment obtains the finger print information Processing module 713 pre-processes the finger print information, and generates fingerprint image.The processor 710 of the electronic equipment obtains After taking the fingerprint image, fingerprint register or fingerprint recognition are carried out by the fingerprint register identification module 712.

When the determination of fingerprint recognition mould group 720 needs to obtain the finger print information in induction region, it is single to pass through the control 721 control first fingerprint sensor 725 of member obtains in its corresponding induction region with second fingerprint sensor 724 Finger print information, and be buffered in the fingerprint recognition mould group by the data buffer storage unit 722.Wherein, the power module 723 can provide supply voltage for each functional module in the fingerprint recognition mould group 720.It should be noted that the application In embodiment, first fingerprint sensor 725 and second fingerprint sensor 724 are controlled by described control unit 721 It is in running order or be in off position, the power consumption of the fingerprint recognition mould group 720 can be effectively reduced.

It should be understood that Figure 12 is only an example of the embodiment of the present application, the limitation to the embodiment of the present application should not be construed as.

For example, the fingerprint register module 712 can integrate in the fingerprint recognition mould in other alternate embodiments In group 720.The fingerprint register identification module 712 is also possible to processor 710 and the finger independently of the electronic equipment The functional module of line identification mould group 720.

In another example the control module 711 can be integrated in display screen in other alternate embodiments, or Person is also possible to the functional module independently of display screen.

The embodiment of the present application also provides a kind of electronic equipment, including fingerprint recognition system described above.For example, Figure 11 Shown in fingerprint recognition system 700 shown in fingerprint recognition system 600 or Figure 12.

The embodiment of the present application also proposed a kind of computer readable storage medium, the computer-readable recording medium storage one A or multiple programs, the one or more program include instruction, and the instruction is when by the portable electronic including multiple application programs When equipment executes, portable electronic device execution method 300 can be made to the method for 500 illustrated embodiment of method.

The embodiment of the present application also proposed a kind of computer program, which includes instruction, when the computer journey When sequence is computer-executed, the method that allows computer to execute method 300 to 500 illustrated embodiment of method.

The embodiment of the present application also provides a kind of chip, which includes input/output interface, at least one processor, extremely A few memory and bus, for storing instruction, at least one processor is for calling this extremely for at least one processor Instruction in a few memory, the method to execute method 300 to 500 illustrated embodiment of method.

It should be understood that magnitude of the sequence numbers of the above procedures are not meant to execute suitable in the various embodiments of the application Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present application Process constitutes any restriction.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed Scope of the present application.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that arriving, disclosed systems, devices and methods can To realize by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit Division, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or group Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown Or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit it is indirect Coupling or communication connection can be electrical property, mechanical or other forms.

The 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.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, institute Computer software product is stated to be stored in a storage medium, including some instructions are used so that computer equipment (can be with It is personal computer, server or the network equipment etc.) execute all or part of step of each embodiment the method for the application Suddenly.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), deposits at random The various media that can store program code such as access to memory (Random Access Memory, RAM), magnetic or disk.

The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.

Claims

1. a kind of method of the identification fingerprint based on double induction zones characterized by comprising

According to the overlapping cases of the finger print information and first induction region and second induction region generate one or Two fingerprint images, one or two fingerprint images are used for fingerprint register or identification.

2. the method according to claim 1, wherein described according to the finger print information and first induction zone The overlapping cases of domain and second induction region generate one or two fingerprint image, comprising:

When first induction region and second induction region are not overlapped, described is generated respectively according to the finger print information The corresponding fingerprint image of one induction region and the corresponding fingerprint image of second induction region.

3. the method according to claim 1, wherein described according to the finger print information and first induction zone The overlapping cases of domain and second induction region generate one or two fingerprint image, comprising:

When first induction region and second induction region partly overlap, according to first induction region and described The size of the overlapping region of two induction regions generates one or two fingerprint images.

4. according to the method described in claim 3, it is characterized in that, the area of the overlapping region is less than or equal to the first threshold Value；

Wherein, one or two fingerprint images of the generation, comprising:

The corresponding fingerprint image of first induction region and second induction region are generated respectively according to the finger print information Corresponding fingerprint image.

5. according to the method described in claim 4, it is characterized in that, the method also includes:

One is selected in the corresponding fingerprint image of first induction region and the corresponding fingerprint image of second induction region A fingerprint image carries out fingerprint recognition, if fingerprint recognition fails, in the corresponding fingerprint image of first induction region and institute It states and another fingerprint image is selected to carry out fingerprint recognition in the corresponding fingerprint image of the second induction region.

6. according to the method described in claim 3, it is characterized in that, the area of the overlapping region is greater than or equal to the second threshold Value；

Wherein, one or two fingerprint images of the generation, comprising:

A fingerprint image is generated according to the finger print information.

7. according to the method described in claim 6, it is characterized in that, described generate a fingerprint image according to the finger print information Picture, comprising:

The corresponding image of first induction region is generated respectively according to the finger print information and second induction region is corresponding Image；

According to the lap of the corresponding image of first induction region and the corresponding image of second induction region, by institute The corresponding image of the first induction region and the corresponding image mosaic of second induction region are stated into a fingerprint image.

8. according to the method described in claim 6, it is characterized in that, the area of the overlapping region is less than or equal to third threshold Value, the third threshold value are greater than the second threshold.

9. method according to any one of claim 1 to 8, which is characterized in that the first induction region of the acquisition and Before finger print information in two induction regions, the method also includes:

By the first condenser lens and the second condenser lens, optical signal is guided to first induction region and described respectively Two induction regions.

10. according to the method described in claim 9, it is characterized in that, the optical parameter of first condenser lens and described The optical parameter of two condenser lenses is identical.

11. according to the method described in claim 9, it is characterized in that, the optical parameter of first condenser lens and described The optical parameter of two condenser lenses is different.

12. method according to any one of claim 1 to 11, which is characterized in that first induction region is corresponding Optical sensor array and the corresponding optical sensor array of second induction region belong to same fingerprint sensor, first sense It answers and there is interval between the corresponding optical sensor array in region and the corresponding second optical sensor array of second induction region, The size being spaced for adjusting the overlapping region between first induction region and second induction region.

13. method according to any one of claim 1 to 12, which is characterized in that it is described according to the finger print information and The overlapping cases of first induction region and second induction region generate one or two fingerprint image, comprising:

Pre-process the finger print information；

Pretreated information is carried out according to the overlapping cases and to the finger print information, generates one or two fingerprints Image.

14. method according to any one of claim 1 to 13, which is characterized in that the center of first induction region Line between the center of second induction region is parallel or not parallel with the side of display screen.

15. according to claim 1 to method described in any one of 14, which is characterized in that one or two fingerprint images The fingerprint image generated for fingerprint recognition mould group.

16. according to claim 1 to method described in any one of 14, which is characterized in that it is described according to the finger print information and Before the overlapping cases of first induction region and second induction region generate one or two fingerprint image, the side Method further include:

The finger print information is stored to the data buffer storage unit of fingerprint recognition mould group, so as to electronic equipment processor from institute It states and reads the finger print information in data buffer storage unit, and then generate described one according to the overlapping cases and the finger print information A or two fingerprint images.

17. a kind of fingerprint recognition system characterized by comprising

Image generation unit, for the weight according to the finger print information and first induction region and second induction region Folded situation generates one or two fingerprint image, and one or two fingerprint images are used for fingerprint register or identification.

18. fingerprint recognition system according to claim 17, which is characterized in that described image generation unit is specifically used for:

19. fingerprint recognition system according to claim 17, which is characterized in that described image generation unit is specifically used for:

20. fingerprint recognition system according to claim 19, which is characterized in that the area of the overlapping region be less than or Equal to first threshold；

Wherein, described image generation unit is more particularly for:

21. fingerprint recognition system according to claim 20, which is characterized in that the fingerprint recognition system further include:

Fingerprint identification unit, for corresponding in the corresponding fingerprint image of first induction region and second induction region A fingerprint image is selected to carry out fingerprint recognition in fingerprint image, if fingerprint recognition fails, in first induction region pair Another fingerprint image is selected to carry out fingerprint recognition in the fingerprint image and the corresponding fingerprint image of second induction region answered.

22. fingerprint recognition system according to claim 19, which is characterized in that the area of the overlapping region is greater than or waits In second threshold；

Wherein, described image generation unit is more particularly for:

A fingerprint image is generated according to the finger print information.

23. fingerprint recognition system according to claim 22, which is characterized in that described image generation unit is more specifically used In:

24. fingerprint recognition system according to claim 22, which is characterized in that the area of the overlapping region is less than or waits In third threshold value, the third threshold value is greater than the second threshold.

25. fingerprint recognition system described in any one of 7 to 24 according to claim 1, which is characterized in that the fingerprint recognition system System further include:

First condenser lens and the second condenser lens, the acquiring unit is for obtaining the first induction region and the second induction region Before interior finger print information, first condenser lens and second condenser lens are respectively used to guide optical signal to described First induction region and second induction region.

26. fingerprint recognition system according to claim 25, which is characterized in that the optical parameter of first condenser lens It is identical with the optical parameter of second condenser lens.

27. fingerprint recognition system according to claim 25, which is characterized in that the optical parameter of first condenser lens It is different with the optical parameter of second condenser lens.

28. fingerprint recognition system described in any one of 7 to 27 according to claim 1, which is characterized in that first induction zone The corresponding optical sensor array in domain and the corresponding optical sensor array of second induction region belong to same fingerprint sensor, institute It states between the corresponding optical sensor array of the first induction region and the corresponding second optical sensor array of second induction region There are interval, the interval is for adjusting the big of the overlapping region between first induction region and second induction region It is small.

29. fingerprint recognition system described in any one of 7 to 28 according to claim 1, which is characterized in that described image generates single Member is specifically used for:

Pre-process the finger print information；

30. fingerprint recognition system described in any one of 7 to 29 according to claim 1, which is characterized in that first induction zone Line between the center in domain and the center of second induction region is parallel or not parallel with the side of display screen.

31. fingerprint recognition system described in any one of 7 to 30 according to claim 1, which is characterized in that one or two Fingerprint image is the fingerprint image that fingerprint recognition mould group generates.

32. fingerprint recognition system described in any one of 7 to 30 according to claim 1, which is characterized in that the fingerprint recognition system System further include:

Data buffer storage unit, the data buffer storage unit for storing the finger print information, so as to electronic equipment processor from The finger print information is read in the data buffer storage unit, and then according to the overlapping cases and finger print information generation One or two fingerprint image.

33. a kind of electronic equipment characterized by comprising fingerprint recognition system under the described in any item screens of claim 17 to 32 System.