CN108885696A - Shield lower biometric devices and electronic equipment - Google Patents

Shield lower biometric devices and electronic equipment Download PDF

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Publication number
CN108885696A
CN108885696A CN201880001093.6A CN201880001093A CN108885696A CN 108885696 A CN108885696 A CN 108885696A CN 201880001093 A CN201880001093 A CN 201880001093A CN 108885696 A CN108885696 A CN 108885696A
Authority
CN
China
Prior art keywords
biometric devices
screen
bracket
devices under
lens barrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201880001093.6A
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Chinese (zh)
Other versions
CN108885696B (en
Inventor
蒋鹏
罗忠波
侯志明
蔡军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Goodix Technology Co Ltd
Original Assignee
Shenzhen Huiding Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/CN2018/075450 external-priority patent/WO2019041756A1/en
Application filed by Shenzhen Huiding Technology Co Ltd filed Critical Shenzhen Huiding Technology Co Ltd
Priority to CN202010659292.5A priority Critical patent/CN111767894B/en
Priority to CN202010659289.3A priority patent/CN111767893B/en
Publication of CN108885696A publication Critical patent/CN108885696A/en
Application granted granted Critical
Publication of CN108885696B publication Critical patent/CN108885696B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/1347—Preprocessing; Feature extraction
    • G06V40/1359—Extracting features related to ridge properties; Determining the fingerprint type, e.g. whorl or loop

Abstract

Biometric devices and electronic equipment under a kind of screen are provided, biometric devices include under the screen：The lower section of display screen is arranged in camera lens, for receiving the optical signal reflected to form via human finger above the display screen, wherein the optical signal is used to detect the biological information of the finger；Lens barrel, the camera lens are fixed in the lens barrel；Bracket, the mode being connected through a screw thread between the bracket and the lens barrel are attached, and the bracket is used to support the lens barrel.Biometric devices and electronic equipment under screen provided by the embodiments of the present application are able to ascend the efficiency for shielding lower living things feature recognition.

Description

Shield lower biometric devices and electronic equipment
This application claims in the submission of on February 06th, 2018 Patent Office of the People's Republic of China, application No. is PCT/CN2018/075450, hair The international patent application of bright entitled " shielding lower biometric devices, living things feature recognition component and terminal device " it is preferential Power, entire contents are hereby incorporated by reference in the application.
Technical field
The invention relates to living things feature recognition fields, and fill more particularly, to lower living things feature recognition is shielded It sets and electronic equipment.
Background technique
With the high speed development of mobile phone industry, biological identification technology is increasingly paid attention to by people, more easily under screen Biometrics identification technology, such as the functionization of the lower fingerprint identification technology of screen have become needed for masses.
Currently, shielding lower optical fingerprint identification technology mainly includes optical finger print identification under the screen based on periodical microwell array Optical fingerprint identification technology under technology and lenticular screen based on integral type.Former optical fingerprint identification technology is easy by not The influence of your striped, and need for optical finger print identification mould group to be attached under OLED screen, complex procedures.Optics refers under latter screen The fingerprint recognition mould group of line identification technology is integral type, for the essence of entire optical finger print identification mould group during volume production Degree requires very high, general processing technology full basic foot not actual demand.Due to the presence of above-mentioned various problems, affect Shield the efficiency of lower living things feature recognition.
Therefore, the efficiency for shielding lower living things feature recognition how is promoted, a technical problem urgently to be resolved is become.
Summary of the invention
Biometric devices and electronic equipment under a kind of screen are provided, is able to ascend and shields lower living things feature recognition Efficiency.
In a first aspect, biometric devices under a kind of screen are provided, including：
The lower section of display screen is arranged in camera lens, for receiving reflecting above the display screen via human finger The optical signal of formation, wherein the optical signal is used to detect the biological information of the finger；
Lens barrel, the camera lens are fixed in the lens barrel；
Bracket, the mode being connected through a screw thread between the bracket and the lens barrel are attached, and the bracket is for branch Support the lens barrel.
In some possible implementations, a plastic structure, the lens barrel are formed between the lens barrel and the bracket Threaded connection between the bracket is fixed by carrying out mode for dispensing glue in described plastic structure.
In some possible implementations, described plastic structure includes：The upper surface of the bracket is in the outer of threaded hole Enclose the first step structure that region is downwardly extending.
In some possible implementations, the camera lens includes non-spherical lens or non-spherical lens group.
In some possible implementations, the lower surface of the bracket is downwardly extending in the peripheral region of threaded hole There is the first bulge-structure, the camera lens is mounted in first bulge-structure.
In some possible implementations, the lower surface of the bracket is in first bulge-structure and the bracket The second bulge-structure is formed between edge.
In some possible implementations, the upper surface of the lens barrel extends inwardly to form third protrusion knot in tube port position Structure, the third protrusion structure is for fixing the camera lens.
In some possible implementations, the upper surface of the lens barrel is formed with tiltedly in tube port position by chamfered Angle, so that internal diameter of the lens barrel at upper surface is greater than internal diameter of the lens barrel at the third protrusion structure.
In some possible implementations, the inner surface of the lens barrel is formed in the lower section of the third protrusion structure There is second step structure, the camera lens is fixed in the lens barrel by the second step structure.
In some possible implementations, the outer surface of the lens barrel is formed in the lower section of the third protrusion structure 5th bulge-structure is formed with external screw thread on the 5th bulge-structure.
In some possible implementations, biometric devices further include under the screen：
The lower section of lens barrel is arranged in imager chip, the imager chip, and the imager chip is used for based on across the mirror The optical signal of head is imaged, wherein the distance between the camera lens and the imager chip are carried out by rotating the lens barrel Adjustment.
In some possible implementations, between the optical centre of the camera lens and the upper surface of the imager chip Distance is equal to the image-forming range of the camera lens.
In some possible implementations, the top table edge region of the lens barrel has extended outward to form at least one A 5th bulge-structure, the 5th bulge-structure is for rotating the lens barrel, to adjust the camera lens and the imager chip The distance between.
In some possible implementations, biometric devices further include under the screen：
Optically filtering piece, the optically filtering piece are located between the camera lens the and described imager chip.
In some possible implementations, the optically filtering piece is fixed on the upper surface of the imager chip.
In some possible implementations, the optically filtering piece is fixed in the lens barrel.
In some possible implementations, the fringe region of the lower surface of the camera lens has been downwardly extending bulge loop knot The lower surface of structure, the bulge loop structure is contacted with the filter plate, the outer ledge region of the bulge loop structure and the filtering The upper surface of piece is bonded fixed form by glue material and is fixedly connected.
In some possible implementations, biometric devices further include under the screen：
Microlens array, the microlens array are fixed on the upper surface of the imager chip, and the microlens array is used The imaging pixel cell of the imager chip is imaged onto the optical signal for passing through the camera lens.
In some possible implementations, each of described imager chip imaging pixel cell is corresponding with described micro- A lenticule in lens array.
In some possible implementations, the lenticule in the microlens array is packaged lens, the imaging picture Plain unit is polygon, and the diameter of the packaged lens is the length of the long side of the polygon.
In some possible implementations, biometric devices further include under the screen：
Flexible circuit board, the imager chip are fixed on the upper surface of the flexible circuit board, the bracket Lower surface be fixedly connected with the fringe region in the imager chip of the upper surface of the flexible circuit board.
In some possible implementations, the bracket is formed with gas vent, and the gas vent is for adjusting the branch The air pressure level for the inner space that frame and the flexible circuit board are formed.
In some possible implementations, biometric devices further include under the screen：
Steel plate, the Interal fixation is in the lower surface of the flexible circuit board.
In some possible implementations, biometric devices further include under the screen：
Fixed frame, the bracket are fixed on the lower section of the display screen by the fixed frame, and make the display screen Upper surface and the distance between the lens optical center meet image-forming condition.
In some possible implementations, biometric devices are applied to electronic equipment under the screen, described solid Determine the center that frame is the electronic equipment, the center is used to support the display screen.
In some possible implementations,
In some possible implementations, the center and the bracket by any one of following mounting means into Capable installation is fixed：Glue material fitting fixed form, mode and coupling fixed form is welded and fixed in screw installation fixed form.
In some possible implementations, the center is formed with aperture, and the lens barrel is at least partially housed in described In aperture, there are gaps between the inside of the aperture on the outside of the lens barrel.
In some possible implementations, the upper surface of the center is formed in the verge of opening by chamfered There is oblique angle, the oblique angle makes the aperture widths of the center upper surface greater than the aperture widths of the center lower surface.
In some possible implementations, the upper surface of the center is formed with third in the fringe region of the aperture Step structure.
In some possible implementations, the lower surface of the center extends downwardly shape in the peripheral region of the aperture Five bulge-structure of Cheng You, the bracket are mounted on the inside of the 5th bulge-structure.
In some possible implementations, the lower surface of the center upwardly extends shape in the fringe region of the aperture At slot structure, the bracket is mounted in groove structure.
In some possible implementations, biometric devices further include under the screen：
Foam, the foam are set between the upper surface of the bracket and the lower surface of the center.
Second aspect provides a kind of electronic equipment, including：
Biometric devices under screen described in first aspect.
In some possible implementations, the electronic equipment further includes：
Display screen, the lower section of the display screen is arranged in biometric devices under the screen, and makes the display The distance between the optical centre of camera lens under the upper surface of screen and the screen in biometric devices meets image-forming condition.
On the one hand, the thread connecting mode in the embodiment of the present application between bracket and lens barrel makes raw in the case where assembling the screen During object specific identification device 140, desired optical imagery can be realized by way of focusing, thereby reduced pair The requirement of processing technology also solves batch yield issues and integral type mould of the integral type mould group during production and assembly The problem of pinpointed focus of group cannot precisely align, to promote the efficiency for shielding lower living things feature recognition.
On the other hand, the lower surface that optical finger print identification mould group is attached to display screen is avoided, it is only necessary to by the lower biology of screen The lower section of display screen is arranged in specific identification device 140, for example, the camera lens is arranged in the lower section of the display screen, It is effectively simplified the installation procedure for shielding lower biometric devices 140, improves the peace for shielding lower biometric devices 140 Batch yield during dress reduces the spoilage in the replacement process for shielding lower biometric devices 140, in turn Effectively reduce cost.
Detailed description of the invention
Fig. 1 is the floor map for the mobile terminal that the application can be applicable in.
Fig. 2 is partial cutaway schematic view of the mobile terminal shown in FIG. 1 along A '-A '.
Fig. 3 is the directional views for shielding lower biometric devices.
Fig. 4 is the directional views of bracket in biometric devices under Fig. 3 institute display screen.
Fig. 5 is the directional views of lens barrel in biometric devices under Fig. 3 institute display screen.
Fig. 6 be under screen shown in Fig. 3 biometric devices along the cut-away section structural schematic diagram of B '-B '.
Fig. 7 be the embodiment of the present application screen under biometric devices directional views.
Fig. 8 is filter plate, imager chip, circuit board and the image under screen shown in Fig. 7 in biometric devices The directional views of processor.
Fig. 9 be under Fig. 7 institute display screen biometric devices along the cut-away section structural schematic diagram of C '-C '.
Figure 10 is that the filter plate of the embodiment of the present application is located at the schematic diagram in lens barrel.
Figure 11 is the schematic diagram of the imager chip with microlens array of the embodiment of the present application.
Figure 12 be the embodiment of the present application screen under the upper surfaces of bracket of biometric devices post the orientation of foam View.
Figure 13 to Figure 18 be the embodiment of the present application screen under biometric devices be located at it is schematic below display screen Structure chart.
Specific embodiment
Below in conjunction with attached drawing, technical solutions in the embodiments of the present application is described.
As intelligent terminal steps into comprehensive screen epoch, what electronic equipment front physical characteristics collecting region was shielded comprehensively is squeezed Pressure, thus shield under (Under-display or Under-screen) biometrics identification technology more and more attention has been paid to.Under screen Biometrics identification technology refers to that will shield lower biometric devices (such as fingerprint recognition mould group) is mounted below display screen, Living things feature recognition operation is carried out inside the display area of display screen to realize, is not needed in electronic equipment front except display Physical characteristics collecting region is arranged in region outside region.
Shielding lower biometrics identification technology may include shielding lower optical bio feature identification technique, shielding lower ultrasonic wave biological spy Levy biometrics identification technology under identification technology or other kinds of screen.
For shielding lower optical bio feature identification technique, shields lower optical bio feature identification technique use and shown from equipment The light that the top surface of component returns incudes and other inductive operations to carry out fingerprint.The light carrying of the return is contacted with the top surface Object (such as finger) information, by capture and detect the return light realize be located at display screen below specific light Learn sensor module.The design of the particular optical sensor module can be to be returned by being properly configured to capture and detection The optical element of the light returned realizes desired optical imagery.
It should be understood that the technical solution of the embodiment of the present application can be applied to various electronic equipments, more specifically, can apply In the electronic equipment with display screen.Such as smart phone, laptop, tablet computer, game station etc. are portable or move It is dynamic to calculate equipment and electronic databank, automobile, ATM (automatic teller machine) (Automated Teller Machine, ATM) etc. Other electronic equipments, but the embodiment of the present application does not limit this.
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, vivo identification etc., the embodiment of the present application does not also limit this.
Figures 1 and 2 show that shield the schematic diagram for the electronic equipment 100 that lower biometric devices can be applicable in, wherein Fig. 1 is the front schematic view for shielding the electronic equipment 100 that lower biometric devices can be applicable in, and Fig. 2 is electronics shown in FIG. 1 Cut-away section structural schematic diagram of the equipment 100 along A '-A '.
As depicted in figs. 1 and 2, biometric devices 140 under electronic equipment 100 may include display screen 120 and shield, Wherein, the display screen 120 has display area 102, and biometric devices 140 are arranged in the display screen under the screen 120 lower section.
Display screen 120 can be self light emitting display panel, use the conduct display pixel with spontaneous light display unit.Than As display screen 120 can for Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display screen or Micro-led (Micro-LED) display screen.In other alternate embodiments, display screen 120 or liquid crystal display Screen (Liquid Crystal Display, LCD) or other passive light emitting displays, the embodiment of the present application do not limit this System.
Display screen 120 is specifically as follows touching display screen, can not only carry out picture and show, can also detect user's Touch or pressing operation, to provide a personal-machine interactive interface for user.For example, in one embodiment, the electronics 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 inside the display screen 120, from And form the touching display screen.
Shielding lower biometric devices 140 can be biometric devices under optical panel, may include having The optical bio feature sensor of optical sensor array, such as optical fingerprint sensor；The optical sensor array includes multiple Optical sensor unit, and the region of the optical sensor array is the biology of biometric devices 140 under the screen Collection apparatus region, the multiple optical sensor unit be used for acquire user fingerprint feature information (such as fingerprint image letter Breath).
Shield the regional area that lower biometric devices 140 can be arranged at 120 lower section of display screen, so that The physical characteristics collecting region (or induction region) of biometric devices 140 is at least partially disposed at the display under the screen In the display area 102 of screen 120.
As shown in Figure 1, the physical characteristics collecting region 130 is located among the display area 102 of the display screen 120. User is when needing to be unlocked the electronic equipment or other biological signature verification as a result, it is only necessary to by finger Press the input operation that biological characteristic can be realized in the physical characteristics collecting region 130 for being located at the display screen 120.By It can be realized inside the display area 102 of the display screen 120 in physical characteristics collecting detection, electronics using the above structure Equipment 100 is arranged fingerprint key (such as Home key) without the special reserved space in its front, thus can be using comprehensive screen side The display area 102 of case, i.e., the described display screen 120 can extend substantially to the entire front of the electronic equipment 100.
During living things feature recognition, by taking display screen 120 is using OLED display screen as an example, the display screen 120 has In the OLED display unit that array is arranged, biometric devices 140 can use the OLED display screen under the screen 120, which are located at the OLED display unit (i.e. OLED light source) in the physical characteristics collecting region 130, detects knowledge as biological characteristic Other excitation light source.Of course it is to be understood that in other substitution implementations, biometric devices 140 under the screen The optical signal for carrying out biological characteristic detection identification can be provided using built-in light source or external light source, in such case Under, biometric devices not only can be adapted for such as OLED display screen self light emitting display panel under the screen, can also fit For non-spontaneous smooth display screen, such as liquid crystal display or other passive light emitting displays.Also, biology is special under the screen The optical sensor array of sign identification device 140 is specifically as follows optical detector (Photo detector) array (or for photoelectricity Detector array) comprising multiple optical detectors or photodetector in array distribution, the optical detector or photoelectricity are visited Surveying device can be used as optical sensor unit as described above.
When finger is touched, presses or adopted close to (for ease of description, the application is referred to as pressing) in the biological characteristic When collecting region 130, the light that the display unit in the physical characteristics collecting region 130 issues occurs to reflect and formed anti-in finger Light is penetrated, wherein the reflected light can carry the fingerprint feature information of user's finger.For example, the light is in user's finger table After the fingerprint in face reflects, since the wrinkle ridge of finger print and the reflected light of line paddy are different, reflected light is portable Finger print information with user.The reflected light returns to the display screen 120 and is filled by living things feature recognition under screen below The photodetector array for setting 140 receives and is converted to corresponding electric signal, i.e. biological characteristic detects signal.The electronics is set Standby 100 can obtain the biological information of user based on biological characteristic detection signal, and can be with further progress Biometric matches verifying, to complete the authentication of active user in order to confirm whether it has permission and set to the electronics Standby 100 carry out corresponding operation.
In other alternate embodiments, biometric devices 140 also be can be set in the display screen under the screen The whole region of 120 lower sections, so that the physical characteristics collecting region 130 is expanded to the entire of the entire display screen 120 Full frame living things feature recognition is realized in display area 102.
It should be understood that the electronic equipment 100 can also include cover sheet 110, the guarantor in specific implementation Protecting cover plate 110 can be specially transparent cover plate, such as glass cover-plate or sapphire cover board, be located at the display screen 120 Top and the front for covering the electronic equipment 100, and 110 surface of the cover sheet is also provided with protective layer.Therefore, In the embodiment of the present application, so-called finger, which presses the display screen 120, can actually refer to finger pressing described aobvious The cover board 110 of 120 top of display screen or the protective layer of the covering cover board 110.
In one implementation, shielding lower biometric devices 140 can use periodical microwell array by light It is transferred on induction arrays, this needs for optical finger print identification mould group to be attached under OLED screen, complex procedures and cost is excessively high.Another In a kind of implementation, induction can be transferred to for light using the lenticule of integral type by shielding lower biometric devices 140 On array, the lenticule of the integral type, which refers to, to be designed as an entirety for lenticule and induction arrays and then forms integral type mould Group, since integral type mould group is very high to required precision during volume production, reality that general processing technology has expired basic foot not Demand.
In order to solve the above-mentioned technical problem, the embodiment of the present application provides a kind of improved technical solution.Specifically, under screen Light is transferred on induction arrays by biometric devices 140 using camera lens.More specifically, shielding lower living things feature recognition dress Setting 140 may include bracket and the lens barrel for being built-in with camera lens, and the lower section of display screen is arranged in the camera lens, and the camera lens is for connecing The optical signal reflected to form via human finger above display screen is received, wherein the optical signal is used to detect the finger Biological information；For example, the optical signal can be the reflected light for carrying the finger print information of the finger as described above, Its finger print information that can be used to detect the finger.The mode being connected through a screw thread between the bracket and the lens barrel carries out Connection, the bracket are used to support the lens barrel.
It should be noted that in some scenarios, the camera lens needs in the embodiment of the present application are configured as than being used for The packaging technology for the front camera taken pictures more precisely, the smaller element or device for modulation light of volume, to reach under screen The requirement that optical finger print is precisely focused.
The technical solution of the embodiment of the present application (is transmitted light using periodical microwell array with respect to former implementation Onto induction arrays), avoid the lower surface that optical finger print identification mould group is attached to display screen, it is only necessary to lower biological characteristic will be shielded The lower section of display screen is arranged in identification device 140, for example, the camera lens to be arranged in the lower section of the display screen, effectively The installation procedure for shielding lower biometric devices 140 is simplified, the installation for shielding lower biometric devices 140 is improved Batch yield in journey reduces the spoilage in the replacement process for shielding lower biometric devices 140, and then effectively It reduces costs.
And the technical solution of the embodiment of the present application (is passed light using the lenticule of integral type with respect to latter implementation It is defeated on induction arrays), the thread connecting mode between bracket and lens barrel fills the living things feature recognition in the case where assembling the screen During setting 140, desired optical imagery can be realized by way of focusing, thereby reduces and processing technology is wanted It asks, it is excessively high to required precision during volume production to efficiently solve the problems, such as integral type mould group, and then also solve integral type mould Batch yield issues of group during production and assembly solve what the pinpointed focus of integral type mould group cannot precisely align Problem, to promote the efficiency for shielding lower living things feature recognition.
Below in conjunction with Fig. 3 to Fig. 5, biometric devices 300 under the screen in the embodiment of the present application are carried out clear Ground description.It should be noted that for purposes of illustration only, identical appended drawing reference indicates identical portion in embodiments herein Part, and for sake of simplicity, in different embodiments, omit the detailed description to same parts.
Fig. 3 to Figure 13 shows the schematic diagram for shielding lower biometric devices 200, and wherein Fig. 3 is to shield lower biological characteristic The directional views of identification device 200.Fig. 4 is the directional views of bracket 230 in biometric devices 200 under Fig. 3 institute display screen. Fig. 5 is the directional views of lens barrel 220 in biometric devices 200 under Fig. 3 institute display screen.Fig. 6 is biological under screen shown in Fig. 3 Cut-away section structural schematic diagram of the specific identification device 200 along B '-B '.
As shown in Figures 3 to 6, shielding lower biometric devices 200 may include：Camera lens 210, lens barrel 220 and bracket 230.Wherein, camera lens 210 is arranged in the lower section of display screen, camera lens 210 be used to receive above display screen via human body hand The optical signal that digital reflex is formed.For example, after the light that the display screen issues is reflected in the top of the display screen by finger, one Point reflected light can be received by camera lens 210.Camera lens 210 is fixed in lens barrel 220.Pass through screw thread between bracket 230 and lens barrel 220 The mode of connection is attached, and bracket 230 is used to support lens barrel 220.
Wherein, the display screen can be Fig. 1 and display screen shown in Fig. 2, and related description can be referred to and is referred to Previously with regard to the description of display screen 120, for sake of simplicity, details are not described herein.
Optionally, in the application one embodiment, camera lens 210 may include non-spherical lens or non-spherical lens group, To reduce the image deformation of fingerprint image.
It should be noted that the non-spherical lens or the focal length of the non-spherical lens group can be than for taking pictures The focal length of front camera is small or the camera lens 210 is micro-lens, to reach the requirement for shielding lower fingerprint recognition.For example, described The focal range of micro-lens can be 0.5mm-1.8mm.It should be noted that the range is only the example ranges in the gap, this Apply for that embodiment is without being limited thereto.For example, the focal length of the micro-lens is also possible to 2mm.
During biometric devices 200 under assembling the screen, mirror can be adjusted by automatic focusing machine The height of cylinder 220 realizes desired optical imagery.
In order to guarantee that the lens barrel 220 after the completion of adjusting to height is stably fixed on bracket 230.Optionally, In the application one embodiment, a plastic structure, lens barrel 220 and bracket 230 could be formed between lens barrel 220 and bracket 230 Between threaded connection be fixed by carrying out mode for dispensing glue in plastic structure.For example, as shown in Figures 3 to 6, it is described Point plastic structure may include the first step structure that the upper surface of bracket 230 is downwardly extending in the peripheral region of threaded hole 231, an accommodation space can be provided for glue, it is possible thereby to pass through the accommodation space provided in first step structure 231 It is interior that lens barrel 220 and bracket 230 are fixedly connected in a manner of for dispensing glue.
It should be understood that first step structure 231 may include one or more steps.The embodiment of the present application does not do specific limit It is fixed.For example, as shown in Figures 3 to 6, first step structure 231 includes two steps.
It should also be understood that threaded hole of the first step structure 231 along the upper surface of bracket 230 can be and continuously be also possible to Discrete.The embodiment of the present application is not specifically limited.For example, as shown in Figures 3 to 6, first step structure 231 is along bracket 230 The threaded hole of upper surface be rendered as concave ring.
Optionally, in the application one embodiment, can lower surface to bracket 230 threaded hole peripheral region into Row thickening processing, to increase the reliability of the threaded connection between bracket 230 and lens barrel 220.For example, as shown in Figures 3 to 6, The lower surface of bracket 230 has been downwardly extending the first bulge-structure 233 in the peripheral region of threaded hole, and camera lens 210 is mounted on In first bulge-structure 233.Specifically, threaded hole of first bulge-structure 233 along the lower surface of bracket 230 can be continuously It is also possible to discrete, the embodiment of the present application is not specifically limited.
Optionally, in the application one embodiment, the partial region of the thinner thickness in bracket 230 can also be carried out Thickening processing, with the intensity of reinforced support 230.For example, as shown in Figures 3 to 6, the lower surface of bracket 230 is in the first protrusion knot The second bulge-structure 234 is formed between structure 233 and the edge of bracket 230.Specifically, the second bulge-structure 234 is in one party Can be upwards is continuously also possible to discrete, and the embodiment of the present application is without limitation.
In order to guarantee that camera lens 210 is stably fixed in lens barrel 220.Optionally, in the application one embodiment In, it can be arranged in the tube port position of the upper surface of lens barrel 220 for preventing camera lens 210 from carrying out mobile structure upwards.For example, such as Shown in Fig. 3 to Fig. 6, the upper surface of lens barrel 220 extends inwardly to form third protrusion structure 222, third protrusion structure in tube port position 222 are used for fixed lens 210.Optionally, in another embodiment of the application, in order to prevent camera lens 210 from moving down, mirror Fixed form can be bonded by glue material between the inner surface and camera lens 210 of cylinder 220 to be fixed.
Optionally, in the application one embodiment, the upper surface of third protrusion structure 222 can be designed to specific knot Structure, such as funnel structure or bevel structure, so that the optical signal via human finger reflection from display screen is as far as possible More passes through third protrusion structure 222, and then increases by 210 received signal amount of camera lens.For example, as shown in Figures 3 to 6, lens barrel 220 upper surface is formed with oblique angle by chamfered in tube port position, so that internal diameter of the lens barrel 220 at upper surface is greater than lens barrel 220 internal diameter at third protrusion structure 222.
Optionally, it in the application one embodiment, can be set between the inner surface and camera lens of lens barrel 220 additional For accommodating the space of glue, to increase the reliability being bonded between the inner surface of lens barrel 220 and camera lens 210.For example, as schemed 3 to shown in Fig. 6, and the inner surface of lens barrel 220 is formed with second step structure 223, camera lens in the lower section of third protrusion structure 222 210 are fixed in lens barrel 220 by second step structure 223.Specifically, second step structure 223 can be with the increasing of high degree Add the accommodation space of glue.
Optionally, in the application one embodiment, further thickening processing can also be carried out by the barrel to lens barrel 220, To increase the cylinder strength of lens barrel 220.For example, the outer surface of lens barrel 220 is in third protrusion structure 222 as shown in Fig. 3 to 6 Lower section can be formed by the 4th bulge-structure 224, be formed with external screw thread on the 4th bulge-structure 224.It is tied using this design Structure can not only increase the cylinder strength of lens barrel 220, additionally it is possible to the accommodation space for further increasing glue, lens barrel 220 is more steady Fixed is fixed on bracket 230.
Optionally, in the application one embodiment, the upper surface of lens barrel 220 be could be formed with for automatic focusing machine Carry out the structure of focus operations.For example, to have extended outward to form at least one the 5th convex for the top table edge region of lens barrel 220 Play structure 221, the 5th bulge-structure 221 for rotating lens barrel 220, with adjust between camera lens 210 and imager chip 250 away from From.It should be understood that the 5th bulge-structure 221 can be in one direction is continuously also possible to discrete, the application reality Apply example without limitation.For example, as shown in Figures 3 to 6, at least one the 5th bulge-structure 221 is four petals outstanding.
It should be understood that the camera lens 210, lens barrel 220 and bracket 230 can also design in specific implementation Other structures.For example, as shown in Figures 3 to 6, camera lens 210 can also design the dimension mark (a) 225 of camera lens 210, lens barrel 220 can also design the dimension mark (A1) 236 of lens barrel 220 and the counterbore 235 of installation.For example, as shown in Figures 3 to 6, Different aperture and hole depth can be used in the different producer of the counterbore.In another example as shown in Figure 3 and Figure 4, bracket 230 may be used also To design the hole 237 having for fixing bracket 230, such as threaded securing bores.
Fig. 7 to Fig. 9 be the embodiment of the present application screen under biometric devices 200 schematic diagram.Wherein Fig. 7 is integrated There is determining for biometric devices 200 under the screen of filter plate 260, imager chip 250, circuit board and image processor 280 Direction view, Fig. 8 are filter plate 260, the imager chip 250, circuit board under screen shown in Fig. 7 in biometric devices 200 And the directional views of image processor 280.Fig. 9 be under Fig. 7 institute display screen biometric devices 200 along the part of C '-C ' The schematic diagram of the section structure.
In the embodiment of the present application, the optical signal reflected to form via human finger above display screen passes through camera lens 210 be modulated after can be used for the imaging of fingerprint image.
Optionally, in the application one embodiment, as shown in Figure 7 to 9, shield lower biometric devices 200 also May include：
The lower section of lens barrel 220 is arranged in imager chip 250, imager chip 250, and imager chip 250 is used for based on across mirror First 210 optical signal is imaged, wherein the distance between camera lens 210 and imager chip 250 are carried out by rotation lens barrel 220 Adjustment.In other words, the distance between camera lens 210 and imager chip 250 can be adjusted by adjusting the height of lens barrel 220.
Optionally, in the application one embodiment, the upper surface of the optical centre of camera lens 210 and imager chip 250 it Between distance be equal to camera lens 210 image-forming range.Specifically, in the case where assembling the screen biometric devices 200 process In, the height of lens barrel 220 can be adjusted by automatic focusing machine to realize between adjustment camera lens 210 and imager chip 250 Distance, to realize the imaging of desired fingerprint image.
Optionally, the image-forming range of camera lens 210 can be greater than the focal length of camera lens 210.
It should be understood that the distance between above-mentioned camera lens 210 and imager chip 250 can be the optical centre of camera lens 210 at As the distance between 250 upper surface of chip, wherein the optical centre of camera lens 210 is a particular point in camera lens 210, all By the light of the particular point, the direction of propagation is constant.The optical centre of camera lens 210 is also known as the optical center of camera lens 210 (Optical center)。
In the embodiment of the present application, imager chip 250 receives by the modulated optical signal of camera lens 210 and is based on received light Signal acquisition biological characteristic detects signal (such as fingerprint image), and the biological characteristic detection signal is for carrying out fingerprint recognition. In other words, imager chip 250 receive first by the modulated optical signal of camera lens 210 and based on received optical signal carry out at Picture, to generate fingerprint image；Then, the fingerprint image is sent to image processor, so as to the progress of described image processor Image procossing simultaneously obtains fingerprint signal；Finally, carrying out fingerprint recognition to the fingerprint signal by algorithm.
Optionally, in the application one embodiment, shielding lower biometric devices 200 can also include being used for transmission The circuit board of signal, for example, as shown in Figure 7 to 9, the circuit board can be flexible circuit board (Flexible Printed Circuit, FPC) 270.
Imager chip 250 can be by pad solder to FPC 270, and is realized and other peripheries by the FPC 270 The electrical interconnection and signal transmission of the other elements of circuit or electronic equipment 100 as shown in Figure 1 or 2.For example, it is described at As chip 250 can receive the control signal of the processing unit of the electronic equipment 100 by the FPC 270, and may be used also Biological characteristic detection signal (such as fingerprint image) to be exported to the electronic equipment 100 by the FPC 270 Processing unit or control unit etc..
Optionally, in the application one embodiment, shielding lower biometric devices 200 further includes steel plate, and steel plate is solid It is scheduled on the lower surface of flexible circuit board.
Optionally, in the application one embodiment, as shown in Figure 7 to 9, shield lower biometric devices 200 also It may include image processor 280, described image processor 180 is used to receive the biological characteristic detection sent from FPC 270 Signal (such as fingerprint image), and fingerprint recognition is carried out based on biological characteristic detection signal.
Optionally, in the application one embodiment, as shown in figure 9, the imager chip 250 is fixed on FPC's 270 Upper surface, the lower surface of bracket 230 are fixedly connected with the fringe region in imager chip 250 of the upper surface of FPC 270.
As shown in Figure 7 to 9, when being fixed on the upper surface of FPC 270 due to bracket 230, bracket 230 and FPC 270 Frame will form a closed space, for avoid since the pressure of this enclosure space is excessive or the lower biology of too small influence screen is special Levy the stability of identification device 200.
Optionally, in the application one embodiment, as shown in Figure 7 to 9, bracket 230 is formed with gas vent 232, row Stomata 232 is used to adjust the air pressure level for the inner space that bracket 230 and FPC 270 are formed.
In the embodiment of the present application, before reaching imager chip 250 across the optical signal of camera lens 210, optics can also be passed through Filter is filtered it, to filter out unwanted light.
Optionally, as shown in Figure 7 to 9, as one embodiment of the application, shield lower biometric devices 200 Further include optically filtering piece 260, optically filtering piece 260 be located at camera lens 210 between imager chip 250.
Filter plate 260 is used to reduce the undesirable bias light in fingerprint induction, to improve 250 pairs of imager chip receptions The optical sensor of the light arrived.It is long that the filter plate 260 specifically can be used for filtering out ambient light wave, for example, near infrared light and portion The feux rouges etc. divided.For example, the major part in the energy of light of human finger's absorbing wavelength lower than~580nm, if one or more A optical filter or optical filtering coating can be designed as wavelength-filtered from 580nm to infrared light, then can greatly reduce Influence of the environment light to the optical detection in fingerprint induction.
Optionally, in the application one embodiment, optical filter 260 may include one or more optical filters, institute It states one or more optical filters and is configurable to such as bandpass filters, to allow the transmission of the light of OLED pixel emission, Stop other light components such as the infrared light in sunlight simultaneously.The biometric devices 200 under shielding described in outdoor application When, the bias light as caused by sunlight can be effectively reduced in this optical filtering.One or more of optical filters can To be embodied as such as optical filtering coating, the optical filtering coating is formed on one or more continuous interfacials, or can be real Now on one or more discrete interfaces.It should be understood that the optical filter 260 can be produced on the surface of any optical component On, or along in the reflected light reflected to form via finger to the optical path of imager chip 250.
Fig. 9 is only by taking the optical filter 260 is on the upper surface of imager chip 250 as an example, but the application is without being limited thereto.Example Such as, the optical filter 260 can be fitted in including display bottom surface, prism surface or inside of the imager chip 250 etc..
Figure 10 is the schematic diagram being set to optical filter 260 in lens barrel 220 of the embodiment of the present application.Such as Figure 10 institute Show, the filter plate 260 can be located in lens barrel 220.In this case, steady in lens barrel 220 in order to increase filter plate 260 Qualitative, the fringe region of the lower surface of the camera lens 210 can be downwardly extending bulge loop structure 226, bulge loop structure 226 Lower surface is contacted with filter plate 260, and the outer ledge region of bulge loop structure 226 and the upper surface of filter plate 260 are pasted by glue material Fixed form is closed to be fixedly connected.
It should be understood that quantity, position and the specific structure of optical filter 260 shown in Fig. 9 are merely illustrative description, the application Embodiment does not limit this.For example, can be determined whether according to the actual demand of the imager chip 250 addition one or Multiple optical filters 260.
When the filter plate 260 can be located in lens barrel 220, shielding lower biometric devices 200 further includes：It is micro- Lens array, microlens array are fixed on the upper surface of imager chip 250, and microlens array is used to pass through the light letter of camera lens 210 Number it is imaged onto the imaging pixel cell of imager chip 250.Optionally, microlens array includes multiple saturating at the hemisphere of array distribution Mirror or prism, since packaged lens or prism have focusing light effect, micro- by being added in the upper surface of imager chip 250 Lens array can increase the semaphore received on imager chip 250.
In conclusion under screen in the embodiment of the present application biometric devices 200 can be compatible with and adapt to integrate it is micro- The mechanical structure of the imager chip 250 of the imager chip 250 of lens array and not integral micro-lens array, it is cleverer in structure It is living.
Optionally, in the application one embodiment, each of imager chip 250 imaging pixel cell is corresponding with micro- A lenticule in lens array.
Optionally, in the application one embodiment, the lenticule in the microlens array is packaged lens, and picture is imaged Plain unit is polygon, and the diameter of the packaged lens is the length of the long side of the polygon.
Figure 11 is the schematic diagram of the imager chip for being integrated with microlens array of the embodiment of the present application, such as Figure 11 institute Show, when the imaging pixel cell is square, then the packaged lens directly be about the square side length.For example, The diameter of the side length of the imaging pixel cell and the packaged lens is 5um.
When should be noted that the packaged lens on the imager chip 250, thickness can be 5um, but 5um is thick Packaged lens the mould group drawing of grade thickness be displayed without come.That is, microlens array shown in Fig. 10 251 is merely illustrative, and the embodiment of the present application is without being limited thereto.
In other words, under the thickness of the various parts in the embodiment of the present application shown in attached drawing, length and width equidimension, and screen The integral thickness of biometric devices, length and width equidimension are merely illustrative, and constitute any limit without coping with the application It is fixed.
In the embodiment of the present application, the display screen of getting along well of biometric devices 200 is directly contacted under the screen, that is, Separate design is used under the screen between biometric devices 200 and the display screen.
Optionally, in the application one embodiment, the bracket 230 shielded in lower biometric devices 200 passes through admittedly The distance between upper surface and 210 optical centre of camera lens determined the lower section that frame is fixed on display screen, and make display screen meet at Slice part.
Optionally, in the application one embodiment, the image-forming condition can be following Optical Formula：
1/u+1/v=1/f.
Wherein, u expression thing is away from v indicates image distance, and f indicates focal length.I.e. the inverse of object distance is equal to focal length plus the inverse of image distance Inverse.In the embodiment of the present application, the distance between the upper surface of the display screen and 210 optical centre of camera lens are object distance, institute The distance between upper surface of 210 optical centre of camera lens and imager chip 250 is stated as image distance, the focal length of the camera lens 210 is one A fixed value.
In other words, when bracket 230 is fixed on the lower section of display screen by fixed frame, it is required that the upper table of display screen The distance between face, 210 optical centre of camera lens and upper surface of imager chip 250 meet above-mentioned Optical Formula.
Specifically, the distance between upper surface of the optical centre of camera lens 210 and imager chip 250 (i.e. camera lens 210 at Image distance from), can by automatic focusing machine adjust lens barrel 220 height come realize adjustment camera lens 210 and imager chip 250 it Between distance.Since the received light of imager chip 250 can include fingerprint signal and screen internal structure signal.Therefore, the application is real It applies in example, faint grade separation condition may further be formed by adjusting the focus of camera lens 210, so that screen internal structure signal Image blur, but the imaging of fingerprint signal is unaffected.
It in other words, can (i.e. described 210 optical centre of camera lens be upper with imager chip 250 to image distance in above-mentioned formula The distance between surface) it is modified.For example, the first imaging interfaces are deviated certain distance to the second imaging interfaces, described the Optical centre the distance between of two imaging interfaces apart from the camera lens 210 is defined as the revised value of the image distance, wherein institute It states the first imaging interfaces and is the clearest interface that is imaged of fingerprint signal, and shield internal structure signal and the imaging of fingerprint signal is produced It is raw to influence, so that the requirement of fingerprint recognition is not achieved in fingerprint imaging.
It should be understood that the distance of the first imaging interfaces offset can be to the side of the optical centre close to the camera lens 210 To offset, it is also possible to deviate to the direction of the optical centre far from the camera lens 210, the embodiment of the present application is without limitation.Example Such as, the distance of the first imaging interfaces offset can be ± 10um~± 50um.It should be noted that the range is only the gap Example ranges, the embodiment of the present application is without being limited thereto.
Figure 12 be the embodiment of the present application screen under the upper surfaces of bracket of biometric devices post the orientation of foam View.As shown in figure 12, biometric devices 200 can also include foam 290 under the screen, and the foam 290 is arranged In the upper surface of the bracket 230.The foam 290 can be used for sealing and dustproof.
In the embodiment of the present application, biometric devices 200 can be by being fixedly connected on the terminal under the screen The lower section for being mounted on the display screen is realized on easily disassembled device inside equipment.
In other words, above-mentioned easily disassembled device can be used as under the screen biometric devices 200 with it is described Fixed frame between display screen 320.Biometric devices 200 can be realized by other auxiliary elements with non-under the screen The way of contact is fixed at the lower section of the display screen.For example, biometric devices 200 can be fixed under the screen The fixed frame, and it is fixed at by the fixed frame lower section of the display screen.
Optionally, in the application one embodiment, when biometric devices are applied in mobile terminal under the screen When (such as smart phone), the movement can be passed through under the screen between biometric devices 200 and the display screen The center of terminal or other components are fixed on the lower section of the display screen.
Figure 13 to Figure 18 is the schematic diagram that bracket 230 is set to 320 lower section of display screen by center 370.Extremely such as Figure 13 Shown in Figure 18, biometric devices 200 can be fixed at the lower section of the display screen 220 under the screen.Wherein, institute Stating display screen 320 can be OLED display screen 120 as depicted in figs. 1 and 2, and biometric devices 200 can under the screen Think biometric devices 140 under screen as depicted in figs. 1 and 2, can specifically include camera lens 210, lens barrel 220, branch Frame 230, imager chip 250, filter plate 260, FPC 270 and foam 290 etc..Biometric devices under the screen 200 can be used for acquiring fingerprint or other biological feature, and its physical characteristics collecting region is at least partially disposed at shown display Within the display area of screen 320.The specific structure of biometric devices 200, function under the display screen 320 and the screen And biological characteristic detection identification process is referred to be previously with regard to OLED display screen 120 and shields lower biometric devices 140 description, details are not described herein again.
Center 370 is being set among display screen 320 and rear cover and being used to carry internal various assemblies for electronic equipment Frame, internal various assemblies include but is not limited to battery, mainboard, camera, winding displacement, various inductors, microphone, earpiece etc. Components.
Center 370 can be made of metal or alloy material, it might even be possible to it is made of plastic material, in this case, The center 370 can be even integrally formed with the frame of mobile terminal, and the integrated molding refers to internal center and frame is one A entirety.For example, frame can be a metal welt, or the coating of one layer of metalloid can be plated on center. Further, the center 370 can also be compound center, it may for example comprise inner central frame and outer central frame, wherein inner central frame is used for Carry mobile phone components (such as bracket 230), outer central frame outside inner central frame, outer central frame outer be equipped with mobile phone key, inner central frame with Outer central frame integrates.
Optionally, in the application one embodiment, shield lower biometric devices 200 and the display screen 320 it Between there are gaps.
It should be appreciated that under the screen between biometric devices 200 and the display screen 320 there are gap it is intended that The distance between upper surface and 210 optical centre of camera lens of display screen is made to meet image-forming condition, the embodiment of the present application is to institute The size and concrete meaning for stating gap are without limitation.
For example, the gap can be manufacturer in the installation process to the biological identification device 200 by debugging really Fixed, it is good to be also possible to each vendors dictate.
In another example the gap can be between the upper surface of lens barrel 220 and the lower surface of the display screen 320 away from From being also possible to the upper surface of bracket 230 and the distance between the lower surface of display screen 320.
Optionally, in the application one embodiment, biometric devices 200 and the display screen under the screen There are the gap widths in gap can be greater than or equal to first distance between 320, and the first distance is at the terminal device The minimum range that the lens barrel 220 will not be touched with the display screen 320 when the concussion state such as falling or colliding.
For example, the gap width may range from：0.3mm-1mm.It should be noted that the range is only the gap Example ranges, the embodiment of the present application are without being limited thereto.
Although should be appreciated that in above-described embodiment by taking the center 370 is fixed frame as an example, in other embodiments In, biometric devices 200 can be by being fixedly connected on easily disassembled inside the terminal device appoint under the screen The lower section for being mounted on the display screen 320 is realized on meaning device, and guarantees biometric devices 200 and institute under the screen State between display screen 320 that there are gaps.As long as biometric devices 200 can be fixed in a non contact fashion and be set under above-mentioned screen It sets in the lower section of the display screen 320.In other embodiments, biometric devices 200 can also be under the screen On the quick detachable devices such as rear cover, mainboard and battery fixed to the mobile terminal, further it is fixed at described The lower section of display screen 320.
Since biometric devices 200 use cordless to be arranged under the display screen 320 under the screen Side, and the following table face contact for the display screen 320 of getting along well, that is, biometric devices 200 and the display screen under the screen 320 is full decoupled, damages the display screen 320 when avoiding biometric devices 200 under the disassembly screen.
Further, since the lower surface of biometric devices 200 and the display screen 320 does not contact under the screen, two A fixed gap is kept between person, the gap can be the air gap (air gap) for being not filled with any auxiliary material, It can guarantee be not in when display screen 320 is depressed or terminal device occurs falling or colliding under the screen it is raw Object specific identification device 200 touches the lower surface of the display screen 320, will not influence living things feature recognition under the screen and fill Set 200 living things feature recognition stability and performance.
In conclusion the embodiment of the present application is by by biometric devices 200 under the screen and the display screen 320 Lower surface carry out separate design, can reduce the difficulty for dismantling biometric devices 200 under the screen, and then improve eventually The maintenanceability of end equipment.Further, it can reduce institute under the screen in the production process of biometric devices It states and shields the complexity that lower biometric devices 200 are installed to 320 lower section of display screen, and it is special to improve biology under the screen It levies identification device and produces success rate, and then reduced production cost.It is filled in addition, living things feature recognition under the screen will not be influenced Set 200 living things feature recognition stability and performance.
Optionally, in the application one embodiment, as shown in FIG. 13 to 15, the foam 290 is set to the branch Between the upper surface of frame 230 and the lower surface of the center 370.The foam 290 can be used not only for sealing and dustproof, can be with For being bonded the bracket 230 and the center 370.
It should be noted that the positional relationship in the embodiment of the present application, between the display screen 320 and the center 370 It is relatively-stationary.
Optionally, in the application one embodiment, as shown in figure 13, the fringe region of the upper surface of the center 370 It is bonded with the lower surface of the display screen 320, and the region in the upper surface of the center 370 in addition to edge and the display There may also be gaps between screen 320.
Wherein, the fringe region of the upper surface of the center 370 is bonded with the lower surface of the display screen 320 is understood that For：The display screen 320 and the center 370 pass through the edge and the center 370 of the lower surface of the display screen 320 The mode of the edge fitting of upper surface, carries out mutual be fixedly connected.
In the embodiment of the present application, when shielding lower biometric devices 200 using optical mode progress living things feature recognition, Such as when optical finger print identification, biometric devices 200 need to detect the light letter that the display screen 320 issues under the screen Number by finger reflect and formed reflected light.
In an optional scheme, as shown in figure 13, the center 370 biometric devices under the screen 200 installation region is formed with aperture 371, and biometric devices 200 are set under the aperture 371 under the screen Side, and its optical sensor array is arranged by the aperture 371 and the lower surface face of the display screen 320.Therefore, when described When the lower surface of the center 370 is arranged in biometric devices 200 under shielding, it can guarantee that biological characteristic is known under the screen Other device 200 can receive above-mentioned reflected light through the aperture 371,
It should be understood that the embodiment of the present application is not specifically limited the size of the aperture 371.For example, the center 370 The size of aperture 371 can be less than or equal to the size of biometric devices 200 under the screen.In another example in described The size of the aperture 371 of frame 370 can also be greater than or equal to the size of lens barrel 220.
Optionally, in one embodiment of the application, as shown in figure 15, the size of the aperture 371 of the center 370 can To be less than the size of biometric devices 200 under the screen.
Optionally, in one embodiment of the application, as shown in figure 16, the size of the aperture 371 of the center 370 is big In the size of lens barrel 220, and the size of the aperture 371 of the center 370 is less than biometric devices 200 under the screen Size.In this case, lens barrel 220 can be partially received in the aperture 371 of center 370, and lens barrel 220 and center 370 it Between could be formed with cushion space, can guarantee when the center 370 is depressed or falling occurs in terminal device or Be not in that lens barrel 220 touches center 370 when collision, biometric devices 200 under the screen will not be influenced Living things feature recognition stability and performance.
Optionally, in one embodiment of the application, as shown in Figure 17 and Figure 18, the aperture 371 of the center 370 Size can be greater than the size of biometric devices 200 under the screen.
Optionally, in one embodiment of the application, biometric devices 200 can be fixed directly under the screen On center 370.
Optionally, in one embodiment of the application, the side surface of biometric devices 200 can be under the screen It is fixedly connected with the hole wall of the aperture 371；Alternatively, the top surface edge of biometric devices 200 can be under the screen It is located at the region around the aperture 371 with the lower surface of the center 370 to be fixedly connected.
Figure 13 and Figure 14 is to shield to descend what is be directly fixedly connected between biometric devices 200 and center 370 to show Meaning property structure chart.For example, as shown in figure 13, under the screen top surface edge of biometric devices 200 can with it is described The region that the lower surface of center 370 is located at around the aperture 371 is fixedly connected.More specifically, for example, as shown in figure 14, institute The lower surface of the upper surface and the center and the center 370 of stating bracket 230 is located at the region around the aperture 371 and fixes Connection.
In the embodiment of the present application, directly consolidated between biometric devices 200 and the center 370 under the screen Surely the mode connected is merely illustrative description, and the embodiment of the present application is without being limited thereto.For example, in other alternate embodiments, institute State the lower biometric devices 200 of screen can also be by being fixedly connected between connector and the center 370.
Optionally, in one embodiment of the application, biometric devices 200 can also include under the screen： Module bracket 330, the module bracket 330 can be used as the connector between the bracket 230 and the center 370, be used for Realize between the two be fixedly connected.
Optionally, in one embodiment of the application, the side surface of biometric devices 200 can be under the screen Be fixedly connected with the inner surface of above-mentioned module bracket 330 or the screen under biometric devices 200 upper surface side Edge is fixedly connected with the lower surface of the module bracket 330；And the hole of the outer surface of above-mentioned module bracket 330 and the aperture 371 Wall is fixedly connected or the upper surface of the module bracket 330 and the lower surface of the center 370 are located at the area around the aperture 371 Domain (i.e. at orifice edge) is fixedly connected.
Figure 15 to Figure 18 be shield lower biometric devices 200 pass through between module bracket 330 and the center 370 into The schematic diagram that row is fixedly connected.
Optionally, in one embodiment of the application, as shown in figure 15, biometric devices 200 under the screen Side surface can be fixed on the inner surface of the module bracket 330, and under the screen biometric devices 200 it is upper The upper surface of marginal surface and the module bracket 330 can be fixed to 370 lower surface of center simultaneously and be located at described open Region around hole 371 (i.e. at orifice edge).
Optionally, in one embodiment of the application, as shown in figure 16, the side surface of the bracket 230 can be fixed In the inner surface of the module bracket 330, and the upper surface of the top surface edge of bracket 230 and the module bracket 330 370 lower surface of center can be fixed to simultaneously and be located at the region around the aperture 371 (i.e. at orifice edge).
Optionally, in one embodiment of the application, as shown in Figure 17 and Figure 16, the aperture 371 of the center 370 Size is greater than the size of biometric devices 200 under the screen, and biometric devices 200 pass through mould group under the screen Bracket 330 is fixed to the center 370.
Optionally, in one embodiment of the application, as shown in figure 17, biometric devices 200 under the screen Top surface edge by the module bracket 330 be fixed to 370 lower surface of center be located at the area around the aperture 371 Domain (i.e. at orifice edge).
Optionally, in one embodiment of the application, as shown in figure 18, the top surface edge of the bracket 230 passes through The module bracket 330 is fixed to 370 lower surface of center and is located at region (the i.e. orifice edge around the aperture 371 Place).
Using design structure shown in Figure 17 and Figure 18, so that the upper surface of above-mentioned module bracket 330 can be above institute State the upper surface for shielding lower biometric devices 200, on the one hand can guarantee under the screen biometric devices 200 with There are gaps between display screen 320.On the other hand, since the upper surface of above-mentioned module bracket 330 is higher than biology spy under the screen The upper surface of identification device 200 is levied, therefore, biometric devices 200 can be with the module bracket 330 under the screen At least one surface is fixedly connected, and is increased under the screen between biometric devices 200 and module bracket 330 Contact area, 200 He of biometric devices in the case where passing through double-sided adhesive fixed form or glue fixed form to the screen When the module bracket 330 is fixedly connected, the stability being fixedly connected can be increased.
It should be appreciated that being fixedly connected with including but not limited to following connection type involved in the embodiment of the present application：Screw is solid Determine mode, double-sided adhesive fixed form, glue fixed form, mode and coupling fixed form be welded and fixed.
It should be understood that the main function of above-mentioned module bracket 330 is by the fixed company of biometric devices 200 under the screen It connects in the center 370, and makes under the screen that there are gaps between biometric devices 200 and the display screen 320. The position of module bracket 330 and/or specific structure shown in Figure 14 are merely illustrative, and the embodiment of the present application is without being limited thereto.
For example, in other embodiments, in order to increase biometric devices 200 and module bracket 330 under the screen Between the stability that is fixedly connected, above-mentioned module bracket 330 is also provided with cavity structure, the cavity structure and it is described in The aperture 371 of frame 370 is directed at setting, can provide an accommodating space for biometric devices 200 under the screen, and Biometric devices 200 are at least partly accommodated and are fixed among the cavity structure under the screen.For example, under the screen The side surface of biometric devices 200 connects by the way that the cavity structure and the inner surface of above-mentioned module bracket 330 are fixed It connects.
Further, in order to guarantee under the screen that biometric devices 200 pass through the cavity structure and above-mentioned mould Pack support 330 is fixedly connected with certain stability, and as one embodiment, the shape of the cavity structure can be institute State the shape for shielding lower biometric devices 200.As another embodiment, cavity structure can also be done further excellent Change.For example, the top edge of the cavity structure of the module bracket 330 can extend internally and form a cyclic annular fixed part, And the top surface edge of biometric devices 200 can be fixed to the lower surface of the cyclic annular fixed part under the screen, and The upper surface of the ring-type fixed part is concordant with the upper surface of 330 main body of module bracket.Utilize above-mentioned module bracket 330 Cyclic annular fixed part, can make under the screen biometric devices 200 inside the cavity structure with the mould group branch Connection between frame 330 is more stable, and the upper surface of the module bracket 330 is higher than living things feature recognition under the screen at this time The upper surface of device 200, difference in height between the two can further increase the display screen 320 and biology under the screen is special Levy the gap width between identification device 200.
In addition, the center 370 of terminal device can use metal center or aluminium alloy center, since its thickness may be compared with Width that is thin or thicker and not being able to satisfy the gap under the display screen 320 and the screen between biometric devices 200 Degree requires.Therefore, in order to guarantee described in the embodiment of the present application the lower biometric devices 200 of screen and the display screen 320 Between gap have enough width.In the embodiment of the present application, the structure that can also advanced optimize the center 370 is set Meter.The structure of the center 370 of year the embodiment of the present application illustrates with reference to the accompanying drawing.
It, optionally, can in one embodiment of the application if the thinner thickness of the center 370 in actual product Thickening processing is carried out with the installation region to biometric devices 200 under the screen on the center 370.
Optionally, in one embodiment of the application, the center 370 could be formed with aperture in above-mentioned installation site 371, and the edge of the aperture 371 of the center 370 can also extend downwardly and form the 5th bulge-structure.It is biological under the screen Specific identification device 200 can be mounted directly or be fixed to by module bracket 330 lower surface of the 5th bulge-structure.
Optionally, in one embodiment of the application, as shown in Figure 15 and Figure 16, the aperture 371 of the center 370 Edge can also extend downwardly and be formed with bulge loop, wherein biometric devices 200 are being installed in described under the screen The inside of the bulge loop can be located at after frame 370.Further, as shown in Figure 15 and Figure 16, biological characteristic is known under the screen Other device 200 can also be fixed in the bulge loop by the module bracket 330.On the one hand the bulge loop can guarantee described The intensity still with higher after the peripheral region of the aperture 371 be thinned of center 370, on the other hand can also be to it Biometric devices 200 are protected under the screen of inside.
In actual product, if the thickness of the center 370 is thicker, optionally, in one embodiment of the application, It can be to the installation region progress reduction processing of biometric devices 200 under the screen on the center 370.
Optionally, in one embodiment of the application, the lower surface of the center 370 is around the aperture 371 Region can offer groove structure.Biometric devices 200 can be mounted directly or by mould group branch under the screen Frame 330 is fixed in the groove structure.For example, as shown in Figure 17 and Figure 18, the lower surface of the center 370 is backwards to described It is upwardly extended at the orifice edge of display screen 320 and is formed with groove structure, biometric devices 200 pass through mould under the screen Pack support 320 is fixed in the groove structure.
Optionally, in one embodiment of the application, can also upper surface to the center 370 in the aperture 371 peripheral region carries out reduction processing.For example, as shown in Figure 15 and Figure 16, the upper surface of the center 370 is in the aperture 371 fringe region is formed with third step structure.The thickness of peripheral region of the i.e. described center 370 in the aperture 371 is small In the body thickness of the center 370.
Optionally, in one embodiment of the application, the difference in height of the third step structure can also serve as institute State a part in the gap under display screen 320 and the screen between biometric devices 200.
Optionally, in one embodiment of the application, as shown in figure 18, the upper surface of the center 370 is opened described The fringe region in hole 371 is formed with third step structure, and the lower surface of the center 370 is around the aperture 371 Region can offer groove structure.
Optionally, in one embodiment of the application, as shown in Figure 14 to Figure 18,371 court of aperture of the center 370 Chamfered can be done to the orifice edge of the display screen 320 to form oblique angle, and the oblique angle can be more advantageous to reflected light Enter biometric devices 200 under the screen from the aperture 371 of the center 370, so that it is special to improve biology under the screen Levy the biological characteristic detection performance and detection efficiency of identification device.
Optionally, in one embodiment of the application, the lower surface for extending to the center at the oblique angle is backwards At the orifice edge of the display screen, so that the gap includes face where the oblique angle on the vertical display screen direction Standoff height.
Optionally, in one embodiment of the application, as shown in Figure 14 to Figure 18, when living things feature recognition under the screen When device 200 is applied to terminal device, can also include：Cover board 310.
Wherein, the cover board 310 can be transparent protective cover plate, such as glass cover-plate or sapphire cover board, can be with It is covered on the display screen 120, and the lower surface of the cover board 310 (can be shown with the upper surface of the display screen 320 Face) it is bonded.It can be connected, can also be connected by other connection types by adhesive-layer between display screen 320 and cover board 310 It connects, the embodiment of the present application does not limit this.
By analyzing above it can be found that in the embodiment of the present application, shields lower biometric devices 200 by allowing and show 320 separate design of display screen, for example, shielding lower biometric devices 200 can be fixed on center 370 or rear cover structure part, Biometric devices under shielding at present are solved directly the lower biometric devices 200 of screen are fitted to display screen 320 and led The disassembly of cause is difficult, display screen 320 easy to damage, and technique is bonded difficulty problem.
In addition, in the embodiment of the present application, the following table of biometric devices 200 and the display screen 320 under the screen A gap is formed between face, the gap can guarantee depressed or when the terminal device falls in the display screen 320 Under the conditions of falling or collide etc., biometric devices 200 do not contact 320 lower surface of display screen under the screen, avoid Damage the display screen 320.
It should be appreciated that Figure 13 to Figure 18 is only to shield lower biometric devices 200 to be fitted in showing for 370 lower surface of center Example, the embodiment of the present application are without being limited thereto.For example, biometric devices 200 can under the screen in other alternate embodiments To be set to the upper surface or inside of the center 370, and to shield lower biometric devices 200 and the display screen The gap with preset width is kept between 320.In specifically implementation, the upper surface of the center 370 can be with It is formed with groove structure, biometric devices 200 can be fixed in the groove structure under the screen, the groove knot Structure can be used for shielding lower biometric devices 200 and providing accommodation space.
In addition, alternatively, shield shown in Figure 17 and Figure 18 lower biometric devices 200 can also be installed to it is described The inside of the opening 331 of module bracket 330, for example the outer surface of biometric devices 200 can be fixed under the screen To the medial surface of the opening 331.In other words, the embodiment of the present application is to each component in biometric devices 200 under shielding Between connection type also without limitation.
In the embodiment of the present application, biometric devices 200 are referred to as living things feature recognition mould under above-mentioned screen Group.Photodetector array is referred to as photosensor arrays, the light that can be transmitted with camera lens 220.For example, photoelectricity Sensor array can use the array of photodiode, convert optical signals to electric signal by photodiode, so as to To be imaged according to electric signal.
In the embodiment of the present application, a kind of living things feature recognition component is additionally provided, may include shielding lower biological characteristic to know Other device and module bracket；When the living things feature recognition component be applied to it is as described above shield lower biometric devices or When person's terminal device, it can be mounted directly to the center or fixed frame of the terminal device, and as biology spy under the screen It, can be special to the biology of damage when biometric devices are damaged under the screen of sign identification device or the terminal device Sign recognizer component is replaced, therefore can further decrease maintenance and device replacement that lower biometric devices are shielded in replacement Complexity, avoid damaging display screen.
The embodiment of the present application also provides a kind of electronic equipment, the electronic equipment may include display screen and above-mentioned Apply for biometric devices under the screen in various embodiments, display screen is arranged in biometric devices under the screen Lower section, and the distance between the optical centre of camera lens for making the upper surface of display screen and shielding in biometric devices down is expired Sufficient image-forming condition.
The electronic equipment can be any electronic equipment with display screen, use the technical side of the embodiment of the present application Case, which is realized, shields lower living things feature recognition.The display screen can be organic light-emitting diode (OLED) display screen, including multiple organic light emissions Diode light-source, wherein biometric devices are using at least partly organic light-emitting diode light source as biology under the screen The excitation light source of feature identification.
It should be understood that the specific example in the embodiment of the present application is intended merely to that those skilled in the art is helped to more fully understand The embodiment of the present application, rather than limit the range of the embodiment of the present application.
It should be understood that the term used in the embodiment of the present application and the appended claims is only merely for the specific reality of description The purpose for applying example, is not intended to be limiting the embodiment of the present application.For example, being made in the embodiment of the present application and the appended claims The "an" of singular, " above-mentioned " and " described " are also intended to including most forms, unless context clearly shows that it His meaning.
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 can be realized with electronic hardware, computer software, or a combination of the two, can in order to clearly demonstrate hardware and software Interchangeability generally describes each exemplary composition and step according to function in the above description.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.
In several embodiments provided herein, it should be understood that arriving, disclosed system, device can pass through Other modes are realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be with In conjunction with or be desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or unit or logical Letter connection is also possible to electricity, mechanical or other form connections.
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.Some or all of unit therein can be selected to realize the embodiment of the present application scheme according to the actual needs Purpose.
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, is also possible to two or more units and is integrated in one unit.It is above-mentioned integrated Unit both can take the form of hardware realization, can also realize in the form of software functional units.
If the 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 storage medium.Based on this understanding, the technical solution of the application is substantially The all or part of the part that contributes to existing technology or the technical solution can be with the shape of software product in other words Formula embodies, and the computer software product is stored in a storage medium, including some instructions are used so that a meter It calculates machine equipment (can be personal computer, server or the network equipment etc.) and executes each embodiment the method for the application All or part of the steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey The medium of sequence code.
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 readily occur in various equivalent modifications or replace It changes, these modifications or substitutions should all cover within the scope of protection of this application.Therefore, the protection scope of the application should be with right It is required that protection scope subject to.

Claims (38)

1. biometric devices under a kind of screen, which is characterized in that including：
The lower section of display screen is arranged in camera lens, for receiving reflecting to form above the display screen via human finger Optical signal, wherein the optical signal is used to detect the biological information of the finger；
Lens barrel, the camera lens are fixed in the lens barrel；
Bracket, the mode being connected through a screw thread between the bracket and the lens barrel are attached, and the bracket is used to support institute State lens barrel.
2. biometric devices under screen according to claim 1, which is characterized in that the lens barrel and the bracket it Between be formed with a plastic structure, the threaded connection between the lens barrel and the bracket is by carrying out dispensing in described plastic structure Mode be fixed.
3. biometric devices under screen according to claim 2, which is characterized in that described plastic structure include：Institute State the first step structure that the upper surface of bracket is downwardly extending in the peripheral region of threaded hole.
4. biometric devices under screen according to any one of claim 1 to 3, which is characterized in that the camera lens Including non-spherical lens or non-spherical lens group.
5. biometric devices under screen according to any one of claim 1 to 4, which is characterized in that the camera lens For micro-lens.
6. biometric devices under screen according to claim 5, which is characterized in that the focal length model of the micro-lens It encloses for 0.5mm-1.8mm.
7. biometric devices under screen according to any one of claim 1 to 6, which is characterized in that the bracket Lower surface be downwardly extending the first bulge-structure in the peripheral region of threaded hole, it is convex that the camera lens is mounted on described first It rises in structure.
8. biometric devices under screen according to claim 7, which is characterized in that the lower surface of the bracket is in institute It states and is formed with the second bulge-structure between the first bulge-structure and the edge of the bracket.
9. biometric devices under screen according to any one of claim 1 to 8, which is characterized in that the lens barrel Upper surface extend inwardly to form third protrusion structure in tube port position, the third protrusion structure is for fixing the camera lens.
10. biometric devices under screen according to claim 9, which is characterized in that the upper surface of the lens barrel exists Tube port position is formed with oblique angle by chamfered, so that internal diameter of the lens barrel at upper surface is greater than the lens barrel described the Internal diameter at three bulge-structures.
11. biometric devices under screen according to claim 9, which is characterized in that the inner surface of the lens barrel Second step structure is formed with below the third protrusion structure, the camera lens is fixed on by the second step structure In the lens barrel.
12. biometric devices under screen according to claim 9, which is characterized in that the outer surface of the lens barrel The 5th bulge-structure is formed in the lower section of the third protrusion structure, is formed with external screw thread on the 5th bulge-structure.
13. biometric devices under screen according to any one of claim 1 to 12, which is characterized in that the screen Lower biometric devices further include：
The lower section of lens barrel is arranged in imager chip, the imager chip, and the imager chip is used for based on across the camera lens Optical signal is imaged, wherein the distance between the camera lens and the imager chip are adjusted by rotating the lens barrel.
14. biometric devices under screen according to claim 13, which is characterized in that the optical centre of the camera lens The distance between upper surface of the imager chip is equal to the image-forming range of the camera lens.
15. biometric devices under screen according to claim 13, which is characterized in that the top table of the lens barrel exists Fringe region has extended outward to form at least one the 5th bulge-structure, and the 5th bulge-structure is used to rotate the lens barrel, To adjust the distance between the camera lens and the imager chip.
16. biometric devices under screen described in any one of 3 to 15 according to claim 1, which is characterized in that the screen Lower biometric devices further include：
Optically filtering piece, the optically filtering piece are located between the camera lens the and described imager chip.
17. biometric devices under screen according to claim 16, which is characterized in that the optically filtering piece is fixed In the upper surface of the imager chip.
18. biometric devices under screen according to claim 16, which is characterized in that the optically filtering piece is fixed In the lens barrel.
19. biometric devices under screen according to claim 18, which is characterized in that the lower surface of the camera lens Fringe region has been downwardly extending bulge loop structure, and the lower surface of the bulge loop structure is contacted with the filter plate, the bulge loop The outer ledge region of structure is bonded fixed form by glue material with the upper surface of the filter plate and is fixedly connected.
20. biometric devices under screen described in any one of 3 to 19 according to claim 1, which is characterized in that the screen Lower biometric devices further include：
Microlens array, the microlens array are fixed on the upper surface of the imager chip, and the microlens array is used for will The imaging pixel cell of the imager chip is imaged onto across the optical signal of the camera lens.
21. biometric devices under screen according to claim 20, which is characterized in that every in the imager chip One imaging pixel cell is corresponding with a lenticule in the microlens array.
22. biometric devices under screen according to claim 20, which is characterized in that in the microlens array Lenticule is packaged lens, and the imaging pixel cell is polygon, and the diameter of the packaged lens is the length of the polygon The length on side.
23. biometric devices under screen described in any one of 3 to 22 according to claim 1, which is characterized in that the screen Lower biometric devices further include：
Flexible circuit board, the imager chip are fixed on the upper surface of the flexible circuit board, under the bracket Surface is fixedly connected with the fringe region in the imager chip of the upper surface of the flexible circuit board.
24. biometric devices under screen according to claim 23, which is characterized in that the bracket is formed with exhaust Hole, the gas vent are used to adjust the air pressure level for the inner space that the bracket and the flexible circuit board are formed.
25. biometric devices under screen according to claim 24, which is characterized in that biological characteristic is known under the screen Other device further includes：
Steel plate, the Interal fixation is in the lower surface of the flexible circuit board.
26. according to claim 1 to biometric devices under screen described in any one of 25, which is characterized in that the screen Lower biometric devices further include：
Fixed frame, the bracket are fixed on the lower section of the display screen by the fixed frame, and make the upper of the display screen The distance between surface and the lens optical center meet image-forming condition.
27. biometric devices under screen according to claim 26, which is characterized in that biological characteristic is known under the screen Other device is applied to electronic equipment, and the fixed frame is the center of the electronic equipment, and the center is used to support the display Screen.
28. biometric devices under screen according to claim 27, which is characterized in that the edge of the upper surface of the center Region is bonded with the lower surface of the display screen, and the region in the upper surface of the center in addition to edge and the display screen Between there are gaps.
29. biometric devices under screen according to claim 27, which is characterized in that the center and the bracket It is fixed by the installation that any one of following mounting means carries out：Screw installs fixed form, glue material fitting fixed form, weldering Connect fixed form and coupling fixed form.
30. biology spy specific identification device under screen according to claim 27, which is characterized in that the center is formed with out Hole, the lens barrel are at least partially housed in the aperture, and there are gaps between the inside of the aperture on the outside of the lens barrel.
31. biometric devices under screen according to claim 30, which is characterized in that the upper surface of the center exists The verge of opening is formed with oblique angle by chamfered, and the oblique angle makes the aperture widths of the center upper surface be greater than institute State the aperture widths of center lower surface.
32. biometric devices under screen according to claim 30, which is characterized in that the upper surface of the center exists The fringe region of the aperture is formed with third step structure.
33. biometric devices under screen according to claim 30, which is characterized in that the lower surface of the center exists The peripheral region of the aperture has been downwardly extending the 5th bulge-structure, and the bracket is mounted on the 5th bulge-structure It is internal.
34. biometric devices under screen according to claim 30, which is characterized in that the lower surface of the center exists The fringe region of the aperture upwardly extends to form slot structure, and the bracket is mounted in groove structure.
35. biometric devices under the screen according to any one of claim 27 to 34, which is characterized in that the screen Lower biometric devices further include：
Foam, the foam are set between the upper surface of the bracket and the lower surface of the center.
36. a kind of electronic equipment, which is characterized in that including：
Biometric devices under screen described in any one of claims 1 to 35.
37. electronic equipment according to claim 36, which is characterized in that the electronic equipment further includes：
Display screen, the lower section of the display screen is arranged in biometric devices under the screen, and makes the display screen The distance between the optical centre of camera lens under upper surface and the screen in biometric devices meets scheduled at slice Part；Wherein the physical characteristics collecting region of biometric devices is at least partially disposed at the display of the display screen under the screen Among region.
38. the electronic equipment according to claim 37, which is characterized in that the electronic equipment further includes：Center, the screen Lower biometric devices are assembled to below the display screen by the center, so that living things feature recognition fills under the screen Set between the display screen that there are gaps.
CN201880001093.6A 2018-02-06 2018-07-06 Under-screen biological feature recognition device and electronic equipment Active CN108885696B (en)

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CN202010659292.5A CN111767894B (en) 2018-02-06 2018-07-06 Under-screen biological feature recognition device and electronic equipment
CN202010659289.3A CN111767893B (en) 2018-02-06 2018-07-06 Under-screen biological feature recognition device and electronic equipment

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CNPCT/CN2018/075450 2018-02-06
PCT/CN2018/075450 WO2019041756A1 (en) 2018-02-06 2018-02-06 Under-screen biometric identification apparatus, biometric identification assembly, and terminal device
PCT/CN2018/094791 WO2019153640A1 (en) 2018-02-06 2018-07-06 Under-screen biometric feature recognition apparatus and electronic device

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