WO2018081935A1 - 生物识别模组和移动终端 - Google Patents

生物识别模组和移动终端 Download PDF

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Publication number
WO2018081935A1
WO2018081935A1 PCT/CN2016/104276 CN2016104276W WO2018081935A1 WO 2018081935 A1 WO2018081935 A1 WO 2018081935A1 CN 2016104276 W CN2016104276 W CN 2016104276W WO 2018081935 A1 WO2018081935 A1 WO 2018081935A1
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WO
WIPO (PCT)
Prior art keywords
conductive member
biometric
sensor
module according
sensing
Prior art date
Application number
PCT/CN2016/104276
Other languages
English (en)
French (fr)
Inventor
林峰
Original Assignee
深圳信炜科技有限公司
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
Application filed by 深圳信炜科技有限公司 filed Critical 深圳信炜科技有限公司
Priority to CN201690000151.XU priority Critical patent/CN207232980U/zh
Priority to PCT/CN2016/104276 priority patent/WO2018081935A1/zh
Publication of WO2018081935A1 publication Critical patent/WO2018081935A1/zh

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition

Definitions

  • the utility model relates to the field of sensor recognition technology, in particular to a biometric identification module and a mobile terminal having the functions of recognizing true and false human bodies.
  • biometric modules eg, fingerprint recognition modules
  • biometric modules eg, fingerprint recognition modules
  • the use of biometric modules has become more widespread.
  • the security of biometric modules has received increasing attention. For example, if the ability of the fingerprint recognition module to recognize a fake finger is very good, others can easily fool the fingerprint recognition module by using a fake finger, and realize functions such as fingerprint unlocking and payment, which is a big problem for the user. Security risks. Therefore, it is necessary to provide a device having the function of identifying true and false organisms.
  • the living body is, for example, a user's finger.
  • the present invention provides a biometric recognition module and a mobile terminal having the functions of recognizing true and false human bodies.
  • a biometric module includes:
  • a sensor configured to sense biometric information of the user
  • a first detecting circuit configured to send a first driving signal to the first conductive member, and receive a first sensing signal output by the second conductive member, and determine to contact the first sensing signal according to the first sensing signal Whether the target object of the first conductive member and the second conductive member is a real human body.
  • the first detecting circuit determines, according to the first driving signal and the first sensing signal, whether the target object contacting the first conductive member and the second conductive member is a human body .
  • the first detecting circuit acquires a complex impedance according to the first driving signal and the first sensing signal And determining, according to the complex impedance characteristic, whether the target object is a real human body.
  • the biometric module further includes an insulating member disposed between the first conductive member and the second conductive member.
  • the insulating member connects the first conductive member and the second conductive member.
  • the first conductive member and the second conductive member are a strip structure, a semi-ring structure, and a ring structure
  • Any one or more of a curved structure and a bent structure Any one or more of a curved structure and a bent structure.
  • the senor corresponds to whether to perform biometric information sensing.
  • the sensor when the first detecting circuit detects that the target object is a real human body, the sensor is triggered to perform biometric information sensing.
  • the first detecting circuit is further configured to drive the first conductive member and the second conductive member to perform touch sensing, when the first detecting circuit detects the first conductive member or After the second conductive member is touched, driving the first conductive member and the second conductive member to perform true and false human body sensing; or
  • the senor is further configured to perform touch sensing, and after the sensor detects a touch of the target object, the first detecting circuit drives the first conductive member and the second conductive member to perform a true dummy Body sensing.
  • the first conductive member and the second conductive member are configured to receive a ground signal.
  • the biometric module includes an opposite first side and a second side, wherein the first side is configured to receive biometric information input, and the biometric module further includes a flexible circuit board. Provided on the second side, electrically connected to the sensor.
  • the biometric module further includes a reinforcing plate disposed on a side of the flexible circuit board facing away from the sensor.
  • the biometric module further includes a cover, and the cover is disposed on the sensor
  • the biometric module is a fingerprint identification module.
  • the first conductive member and the second conductive member are both hollow annular structures, the first conductive member surrounds the second conductive member, and the sensor corresponds to the second The hollow area of the conductive member is disposed.
  • the insulating member, the first conductive member, and the second conductive member cooperate to form a hollow
  • the sensor is disposed corresponding to the hollow region of the closed structure or the annular structure.
  • the first conductive member and/or the second conductive member are touched by the user's finger.
  • the first conductive member and the second conductive member are lifted relative to the sensor, and a recessed region is formed between the sensor and the sensor.
  • the first conductive member and/or the second conductive member also function as a touch button, and the first detecting circuit is further configured to correspondingly drive the first conductive member and/or the The second conductive member performs touch sensing.
  • the first detecting circuit determines, according to the first sensing signal, whether a target object directly contacting the first conductive member and the second conductive member is a human body.
  • the first detecting circuit determines, according to the first sensing signal, whether a target object contacting the first conductive member and the second conductive member is a true finger.
  • the present invention further provides a mobile terminal, comprising the biometric module according to any one of the above, wherein the mobile terminal further comprises a housing and a display device, the housing has a receiving space, and is provided with a The through hole of the outer surface of the mobile terminal, the biometric module and the display device are received in the receiving space, and are oppositely disposed, the first conductive member and the second conductive member are disposed in the through hole To be contacted by the target object.
  • the biometric module includes the first conductive member and the second conductive member
  • the first detecting circuit provides a first driving signal to the first conductive member
  • the first conductive member Transmitting the received first driving signal to the second conductive member through a target object contacting the first conductive member and the second conductive member, wherein the second conductive member outputs a first sensing signal correspondingly
  • the security of the terminal can be improved.
  • FIG. 1 is a schematic structural view of an embodiment of an electronic device according to the present invention.
  • FIG. 2 is a schematic structural view of an embodiment of a button assembly of the electronic device shown in FIG. 1.
  • FIG. 3 is a circuit block diagram of a biometric module of the button assembly shown in FIG. 2.
  • FIG. 4 is an equivalent circuit diagram of the biometric module detecting true and false finger ⁇ .
  • FIG. 5 is a schematic structural view of another embodiment of the annular structure shown in FIG. 1.
  • FIG. 6 is a partial structural schematic view of another embodiment of the electronic device shown in FIG. 1.
  • FIG. 7 is a partial structural schematic view of still another embodiment of the electronic device shown in FIG. 1.
  • FIG. 1 is a schematic structural view of an embodiment of an electronic device according to the present invention.
  • 2 is a partial structural view of a button assembly of the electronic device shown in FIG. 1.
  • Figure 3 is a partial circuit block diagram of the biometric module of the button assembly shown in Figure 2.
  • Figure 4 is an equivalent circuit diagram of the biometric module detecting true and false finger ⁇ .
  • the electronic device 100 is a portable electronic product, a home-based electronic product, or a vehicle-mounted electronic product.
  • the application is not limited to the products listed herein, but may be applied to other suitable products.
  • the portable electronic products are various suitable electronic products such as mobile terminals, such as mobile phones, tablet computers, notebook computers, and wearable products; home electronic products such as smart door locks, televisions, refrigerators, and desktop computers. And other suitable electronic products; car-mounted electronic products such as car navigation, car DVD and other suitable electronic products.
  • the electronic device 100 includes a first conductive member 241, a second conductive member 243, and a first detecting circuit 251.
  • the first conductive member 241 and the second conductive member 243 are insulated from each other.
  • the first detecting circuit 251 is connected to the first conductive member 241 and the second conductive member 243, respectively.
  • the first detecting circuit 251 is configured to send a first driving signal to the first conductive member 241, and receive a first sensing signal output by the second conductive member 243, and determine to contact the first according to the first sensing signal.
  • the living object is, for example, a user's finger.
  • the application is not limited thereto, and the living body may also be any suitable part on the body of the user's ear, palm, wrist, arm, toe, and the like.
  • the organism is not limited to the human body, but may be a suitable part on other suitable animal bodies.
  • a prosthesis a model that is generally counterfeited according to a certain part of a real human body is called a prosthesis or a fake human body.
  • a fingerprint film made of a conductive material is a type of prosthesis. The following mainly describes the case where the living body is a human body.
  • the first detecting circuit 251 of the electronic device 100 of the present application can determine, according to the first sensing signal, whether the target object contacting the first conductive member 241 and the second conductive member 243 is a human body, Therefore, the security of the electronic device 100 can be improved.
  • the "contact” means a touch or a click
  • the target object refers to an object that directly contacts the first conductive member 241 and the second conductive member 243.
  • the technical solution of the present application may determine to directly contact the first conductive member 241 and the The fingerprint film of the second conductive member 243 is a prosthesis.
  • the first conductive member 241 and the second conductive member 243 are disposed opposite each other.
  • the first conductive member 241 and the second conductive member 243 may also be disposed adjacent to each other.
  • the first conductive member 241 and the second conductive member 243 include a conductive substance that can transmit an electrical signal, such as a metal material.
  • the application is not limited thereto, and the conductive substance may also be other suitable conductive materials or conductive composite materials.
  • the number of the first conductive member 241 and the second conductive member 243 are each one, and, in other embodiments, the first There may be a plurality of conductive members 241, and the number of the second conductive members 243 may be plural.
  • the first driving signal is, for example, a square wave pulse signal, a triangular wave pulse signal, a sine wave signal, or the like.
  • the first detecting circuit 251 determines whether the target object contacting the first conductive member 241 and the second conductive member 243 is a human body according to the first sensing signal and the first driving signal, for example. .
  • the first detecting circuit 251 determines the target according to, for example, a change in amplitude and/or phase of the first sensing signal with respect to the first driving signal. Whether the object is a real human body.
  • the first detecting circuit 251 acquires an electrical characteristic according to the first sensing signal and the first driving signal, and determines the target according to the electrical characteristic. Whether the object It is a real human body.
  • the electrical characteristic is, for example, complex impedance or complex admittance.
  • Complex impedance includes impedance and impedance angle.
  • the first detecting circuit 251 knows, for example, whether the target object contacting the first conductive member 241 and the second conductive member 243 is a human body according to the impedance angle or/and the impedance.
  • the complex admittance includes admittance and admittance angles.
  • the first detecting circuit 251 can also know whether the target object contacting the first conductive member 241 and the second conductive member 243 is a human body according to the admittance angle or/and the admittance. Since the complex admittance is the reciprocal of the complex impedance, the following is mainly explained by the complex impedance.
  • the electrical characteristics are not limited to complex impedance, and other suitable electrical characteristics or the other suitable electrical characteristics may be combined with the complex impedance.
  • the first detecting circuit 251 may also compare the first sensing signal with a pre-stored signal or signal range to determine whether the target object is a human body.
  • the target object contacts the first conductive member 241 and the second conductive member 243, the target object, the first conductive member 241, the second conductive member 243, and the first detecting circuit 251 forms a circuit loop, wherein the target object is equivalent to a circuit component connected in series between the first conductive member 241 and the second conductive member 243.
  • the first conductive member 241 and the second conductive member 243 are contacted by the fingerprint film.
  • the circuit element connected between the first conductive member 241 and the second conductive member 243 should include the true finger in addition to the target object fingerprint film.
  • the first connection is made to the first The circuit component between the conductive member 241 and the second conductive member 243 is the fingerprint film.
  • the first detecting circuit 251 provides a first driving signal to the first conductive member 241
  • the first conductive member 241 passes the received first driving signal to contact the first The conductive member 241 and the target object of the second conductive member 243 (for the case of a true finger sticker film, the first driving signal is also transmitted to the second conductive member 243 by a true finger)
  • the second conductive The piece 243 outputs a first sensing signal to the first detecting circuit 251.
  • the electrical characteristics of the real finger, the real finger combined with the fingerprint film, and the fingerprint film are different, correspondingly, after the first driving signal passes through the real finger, the real finger and the fingerprint film, the fingerprint film, and the second
  • the conductive members respectively correspond to the received signals (ie, the first sensing signals), so that the first detecting circuit 251 determines to contact the first conductive members 241 and the second according to the first sensing signals.
  • the target object of the conductive member 243 is a real human body.
  • the electronic device 100 may further include an insulator 245.
  • the insulating member 245 is disposed between the first conductive member 241 and the second conductive member 243.
  • the insulating member 245, the first conductive member 241, and the second conductive member 243 for example, cooperate to form a hollow closed structure or annular structure 24.
  • the color of the insulating member 245 is, for example, the same as or different from the colors of the first conductive member 241 and the second conductive member 241.
  • the annular structure 24 may be mainly a ring structure, a rectangular ring structure, an elliptical ring structure or the like.
  • the insulating member 245, the first conductive member 241, and the second conductive member 243 may also cooperate to form other suitable structures, and are not limited to the hollow closed structure or the annular structure 24.
  • the insulator 245 may also be omitted in some embodiments.
  • the insulating member 245, the first conductive member 241, and the second conductive member 24 3 are integrally connected.
  • the insulating member 245, the first conductive member 241, and the second conductive member 243 may not be integrally connected.
  • first conductive member 241 and the second conductive member 243 are both a half ring structure or a near half ring structure.
  • first conductive member 241 and the second conductive member 243 may also be other suitable structures, such as a strip structure, a ring structure, a curved structure, and a bent structure. and many more.
  • the electronic device 100 may further include a housing (not labeled) having a receiving space, and the housing is provided with a through hole (not labeled) that opens to an outer surface of the electronic device 100.
  • the first conductive member 241 and the second conductive member 243 are exposed, for example, at the through hole to be in contact with the target object.
  • the first detection The circuit 251 is housed, for example, in the accommodating space.
  • the through hole is provided, for example, at any one or a few of the front side, the back side, and the side of the electronic device 100.
  • the outer casing includes, for example, a protective cover 10 and a rear casing 30.
  • the protective cover 10 and the rear case 30 cooperate to form the receiving space to receive electronic components in the receiving space.
  • the protective cover 10 is usually made of a transparent or translucent insulating medium to transmit light.
  • the protective cover 10 is, for example, a glass cover.
  • the rear case 30 is generally non-transmissive. However, the present application is not limited thereto. Depending on the type of the electronic device 100, the materials of the protective cover 10 and the rear case 30 can be selected as needed.
  • the through hole is provided on the protective cover 10.
  • the first conductive member 241 and the second conductive member 243 are disposed at the through hole so that a user touches the first conductive member 241 and the second conductive member 243.
  • the annular structure 34 is disposed at the through hole, and the gap between the inner side wall of the protective cover 10 and the through hole is small, so that the user touches or presses the
  • the first conductive member 241 and the second conductive member 243 are movable, and the first conductive member 241 and the second conductive member 243 are movable relative to the protective cover 10.
  • the electronic device 100 includes a biometric module 21.
  • the biometric module 21 is configured to confirm whether the target object contacting the biometric identification module 21 is a real human body, and perform biometric information sensing when it is determined to be a real human body.
  • the electronic device 100 performs corresponding functions according to the sensing result of the biometric module 21, such as unlocking, paying, transferring, launching an application (APP), or the like, or performing biometric information registration.
  • APP application
  • the biometric module 21 is a combination of any one or more of a fingerprint recognition module, a blood oxygen recognition module, a heartbeat recognition module, a pressure recognition module, and the like.
  • the biometric module 21 includes the first conductive member 241, the second conductive member 243, the insulating member 245, and the first detecting circuit 251 to perform detection of a true and false human body. Additionally, the biometric module 20 further includes a sensor 25.
  • the sensor 25 is, for example, a die or a chip or a chipset (CWpset). The sensor 25 is for performing biometric information sensing.
  • the first conductive member 24 and the second conductive member 243 are disposed adjacent to or around the sensor 25.
  • the annular structure 24 is disposed around the sensor 25. The annular structure 24 is closer to the protective cover 1 with respect to the sensor 25 The outer surface of 0.
  • the sensor 25 receives biometric information input of the target object from the hollow region of the annular structure 24.
  • the sensor 25 is, for example, any one or a combination of a fingerprint sensor, a blood oxygen sensor, a heartbeat sensor, a pressure sensor, and the like.
  • the sensor 25 is, for example, any one or a combination of a capacitive sensor, an infrared sensor, an ultrasonic sensor, and an optical sensor.
  • the capacitive sensor is, for example, a mutual capacitance sensor or a self capacitance sensor.
  • the senor 25 includes, for example, a first leg (not shown) and a second leg (not shown), wherein the first detecting circuit 251 passes the first A pin is connected to the first conductive member 241, and the first detecting circuit 25 is connected to the second conductive member 242 through the second pin.
  • the first detecting circuit 251 outputs the first driving signal to the first conductive member 241 through the first bow pin and receives the second conductive through the second bow pin The first sensing signal output by the piece 243
  • the biometric module 21 may further include a flexible circuit board 26 and a reinforcing board 27.
  • the flexible circuit board 26 may further include a flexible circuit board 26 and a reinforcing board 27.
  • the reinforcing plate 27 is attached to the side of the flexible circuit board 26 facing away from the sensor 25 to strengthen the strength of the flexible circuit board 26 in conformity with the sensor 25.
  • the biometric module 21 is exposed at the through hole.
  • the biometric module 21 further includes a cover plate 28 disposed above the sensor 25, that is, the cover plate 28 is exposed to the through hole.
  • the cover 28 is further provided with a light shielding layer facing the sensor 25; when the sensor 25 is a packaged chip, the sensor 25 is formed with a package. body.
  • the color of the light shielding layer and the package body is preferably the same as the color of the light shielding layer or the casing under the protective cover 10.
  • the cover 28 is, for example, a sapphire cover, a cover glass, a ceramic cover or the like.
  • the cover plate 28 may have various suitable shapes such as a circular shape, a long strip shape, a square shape, and an elliptical shape.
  • the cover plate 28 is formed as a recessed area with respect to the protective cover 10 to guide the user to touch the biometric module 21. However, in some embodiments, the cover plate 28 may also be omitted.
  • the sensor 25 includes a plurality of sensing electrodes and a second detecting circuit 257.
  • the biometric module 21 can further include a control circuit 253.
  • the plurality of sensing electrodes are generally arranged in an array, and correspondingly, the plurality of sensing electrodes arranged in an array are the sensing arrays 255. However, in other embodiments, the plurality of sensing electrodes may be arranged in other regular manners or in an irregular manner, and the present invention is not particularly limited thereto.
  • the second detecting circuit 257 is connected to the sensing array 255 and the control circuit 253, respectively.
  • the control circuit 253 is further connected to the first detection circuit 251.
  • the second detecting circuit 257 is configured to provide a second driving signal to the sensing array 255, drive the sensing array 255 to perform biometric information sensing, and receive the output from the sensing array 255. a second sensing signal to acquire biometric information according to the second sensing signal.
  • the control circuit 253 triggers the second detecting circuit 253 to operate according to the command signal, and drives the sensing array 255 to perform biometric information sensing on the real human body.
  • the first detecting circuit 251 determines that the target object contacting the first conductive member 241 and the second conductive member 243 is a prosthesis, no corresponding instruction signal is provided to the control circuit 253 or another different command signal is provided. To the control circuit 253, the control circuit 253 does not trigger the second detection circuit 257 to operate.
  • the first detecting circuit 251 may also be directly connected to the second detecting circuit 257 instead of the control circuit 253.
  • the first detecting circuit 251 can directly control whether the second detecting circuit 257 is driven to drive the sensing array 255 to perform biometric information sensing.
  • the first detecting circuit 251, the control circuit 253, the second detecting circuit 257, and the sensing array 255 are all integrated in the sensor 25 to improve the integration degree of the sensor 25.
  • one or more of the first detecting circuit 251, the control circuit 253, the second detecting circuit 257, and the sensing array 255 may also be disposed in the flexible circuit.
  • the board 26 is either integrated in other chips.
  • the first detecting circuit 251 can be configured to provide a ground signal (GND) to the first conductive member 241 and the second conductive member 243 to The external detection interference of the sensor 25 is shielded, and the sensing accuracy is improved.
  • the ground signal is generally a signal on the device ground or the system ground of the electronic device 100, and is usually a voltage signal of, for example, 0 volts (V). A voltage signal close to ov, even a signal of other suitable voltage magnitude.
  • the first detecting circuit 251 drives the first conductive member 241 and the second conductive member 24
  • the first detecting circuit 251 detects that the first conductive member 241 or/and the second conductive member 243 are touched, the first driving signal is supplied to the first conductive member 241, and the second conductive member 243 is received.
  • the first sensing signal determines whether the target object contacting the first conductive member 241 and the second conductive member 243 is a human body. As such, the power consumption of the electronic device 100 is saved.
  • the senor 25 may replace the first detecting circuit 251, the first conductive member 241 and the second conductive member 243 to perform the touch sensing, or It is also possible that the touch sensing is performed by the sensor 25 with one or both of the first conductive member 2 41 and the second conductive member 243. That is, the sensor 25 can also be used to perform touch sensing first to detect whether a target object touches the biometric module 21.
  • the electronic device 100 further includes a display device and is disposed under the protective cover 10 to perform image display. Defining the protective cover 10 The area corresponding to the display screen is the display area, and the other areas are the non-display areas.
  • the biometric module 21 is disposed opposite to the display device and disposed in the non-display area.
  • the sensor 25 of the biometric module 21 can also be disposed corresponding to the display area.
  • the display device can further be used as a touch device to perform touch sensing.
  • the electronic device 20 may further include a button assembly 20.
  • the button assembly 20 includes the biometric module 21 and the gateway 23.
  • the switch 23 is disposed below the biometric module 21.
  • the biometric module 21 is adjacent to the protective cover 10 with respect to the switch 23.
  • the gateway 23 is, for example, tactile.
  • the switch 23 is for example used to receive any force exerted by the user's finger on the button assembly 20, passing an electrical signal indicative of the user's finger pressing the button assembly 20 through the flexible circuit board 26 or another different softness.
  • the board is transferred to a button circuit (not shown) and provides tactile feedback to the user's finger to indicate that the button assembly 20 is depressed.
  • the button circuit is connected, for example, to the processor 40
  • the sensor 25, the flexible circuit board 26, the stiffener, the switch 23, the processor 40, and the button circuit The electronic component is housed in a housing space of the outer casing.
  • the electronic device 100 may include other circuits and the like in addition to the elements listed above. It is also feasible for the person skilled in the art to add or reduce certain components in response to the electronic device 100. In this application, the components related to the utility model are listed to highlight the key points of the utility model.
  • FIG. 5 is a schematic structural view of another embodiment of the annular structure 24 shown in FIG. 2.
  • the first conductive member 241 and the second conductive member 243 are both a hollow closed structure or a ring structure, wherein the second conductive member 243 is smaller than the first conductive member 241, and
  • the insulating member 245 is disposed between the first conductive member 241 and the second conductive member 24 3 in a hollow region of the first conductive member 241.
  • the insulating member 245 also corresponds to a hollow closed structure or a ring structure, and the first conductive member 241 is connected to the second conductive member 243.
  • the insulating member 245 is not limited to a hollow closed structure or a ring structure, and may be other segmented structures.
  • the color of the insulating member 245 is, for example, the same as or different from the colors of the first conductive member 241 and the second conductive member 241.
  • FIG. 6 is a partial structural diagram of another embodiment of the electronic device 100 of FIG.
  • the inner side wall of the through hole H of the protective cover 10 extends horizontally from the two insulating members 245.
  • the two insulators 245 are disposed opposite each other.
  • the first conductive member 241 and the second conductive member 243 are insulated from each other by the two insulating members 245.
  • the two insulating members 245, the first conductive members 241, and the second conductive members 243 cooperate to form a hollow closed structure or a ring structure.
  • FIG. 7 is a partial structural diagram of another embodiment of the electronic device 100 of FIG.
  • Two protective through holes HI, H2 are provided in the protective cover 10.
  • the first conductive member 241 and the second conductive member 243 are received and exposed to the through holes H1, H2 so as to be in contact with the target object.
  • the senor 25 may be disposed under the protective cover 10, for example, corresponding to a region between the two through holes H1, H2 on the protective cover 10. Accordingly, the cover 28 can be omitted.
  • the two through holes H1 and H2 are not limited to the strip shape, and may be other suitable shapes.
  • the first conductive member 241 and the second conductive member 243 may also be phase Neighbor settings, etc.
  • the present invention is not particularly limited as long as the target object contacts the biometric module 21 to perform detection of the true and false human body, the first conductive member 241 and the second conductive member. 243 can be contacted by the target object.
  • the biometric module 21 is also not limited to being disposed on the electronic device 100, and may be disposed on other devices.
  • the through hole is disposed on the rear case 30, for example, the first conductive member.
  • the first conductive member 241 and the second conductive member 243 are exposed at the through hole, and the sensor 25 is disposed corresponding to the through hole region.
  • the first conductive member 241 and the second conductive member 243 are closer to the outer surface of the rear case 30 than the sensor 25.
  • the through hole is disposed on a sidewall of the outer casing corresponding electronic device 100, and the sensor 25 is disposed corresponding to the through hole region.
  • the prior art electronic device generally has a button component with a fingerprint recognition module disposed on the front side, and lacks a physical touch button, resulting in a user's poor experience in using the electronic device.
  • the present application proposes to use the first conductive member 241 and the second conductive member 243 as touch buttons.
  • the first detecting circuit 251 is configured to drive the first conductive member 241 and the second conductive member 243 to perform touch sensing.
  • the present application utilizes the first conductive member 241 and the second conductive member 243 as touch buttons without adding a touch electrode, the user experience of the electronic device 100 can be improved.
  • the first conductive member 241 and the second conductive member 243 can be used as first touch buttons and second touch buttons, respectively, having different functions or the same functions.
  • the first touch button is any one or more of a menu button, a navigation button, a volume control button, a return button, and the like
  • the second touch button is a return button, a navigation button, a volume control button, a return button, and the like. Any one or several of them.
  • the second touch button is a menu button; when the first touch button is a volume up button ⁇ , the second touch button is a volume down button; When the first touch button is a left or up scroll key, the second touch button corresponds to a rightward or downward scroll key; when the first touch button is a forward page key, the The second touch button is a page backward key ⁇ .
  • the first conductive member 241 and the second conductive member 243 are listed as a touch button of some functions. The present disclosure is not limited thereto.
  • the first conductive member 241 and the second portion are not limited thereto.
  • the conductive member 243 can also be a touch button of other functions.
  • the first conductive member 241 and the second conductive member 243 may also function as Zoom In and Zoom Out, respectively.
  • the first conductive member 241 and the second conductive member 243 function as a touch button of a variety of functions, and the manufacturer or the user can flexibly set according to requirements.
  • the processor 40 controls the electronic device 100 to perform a corresponding function.
  • the user when browsing a webpage, the user can control the webpage to scroll up by touching the first conductive member 241.
  • the first detecting circuit 251 supplies the grounding signal to the first conductive member 241 and the second conductive member 243.
  • the first detecting circuit 251 may also drive the first conductive member 241 and the second conductive member 243 to perform touch sensing. Measurement. When the touch is detected, the first conductive member 241 and the second conductive member 243 are driven to perform true and false human body sensing. When it is determined that the target object contacting the first conductive member 241 and the second conductive member 243 is a true human body, the sensor 25 starts performing biometric information sensing on the real human body.
  • the processor 40 corresponds to triggering the biometric module 21 to work.
  • the first detecting circuit 251 detects that the first conductive member 241 or/and the second conductive member 243 are touched by the target object, the first detecting circuit 251 then detects contact with the first conductive member.
  • the target object of the 241 and the second conductive member 243 is a real human body; in contrast, when the user performs web browsing without performing biometric information sensing, the first detecting circuit 251 drives the first conductive member 241 and the second The conductive member 243 performs touch sensing, and the first conductive member 241 and the second conductive member 243 respectively function as touch buttons.
  • the control electronic device 100 performs corresponding functions, such as page turning.
  • one of the first conductive member 241 and the second conductive member 243 can be used as a touch button, and the other is not applicable as a touch button.
  • the biometric module 21 of the electronic device 100 of the present application includes the first conductive member 241 and the second conductive member 243 that are separated from each other, which can not only detect the true and false human body, but also function as different or the same function. Touch the button. Accordingly, the electronic device 100 can further enhance the user experience.
  • the first sensing signal or the measured complex impedance is associated with a pressing force or/and a pressing area of the target object. The first sensing signal or the measured complex impedance changes as the pressing force or/and area of the target object changes.
  • the first detecting circuit 251 performs the detection of the true and false human body on the target object contacting the first conductive member 241 and the second conductive member 243, for the precision of the detection, for example, the impedance of the complex impedance or / and the impedance angle takes a mean value between the detection turns to determine whether the target object is a real human body.
  • first conductive member 241 and the second conductive member 243 of each of the above embodiments for example, all or part of the conductive material.
  • the appearance of the product for example, for the annular structure 24 of the embodiment shown in FIG. 2 and FIG. 5, in the case of ensuring the sensing accuracy of the true and false human body, it may also be in the ring shape.
  • the outer surface of structure 24 is wrapped with an insulating layer, such as an insulating tape.
  • the appearance of the annular structure 24 is a complete structure of the same color.

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Abstract

一种生物识别模组(21)和移动终端。所述生物识别模组(21)包括:传感器(25),用于感测用户的生物特征信息;第一导电件(241),邻近所述传感器(25);第二导电件(243),邻近所述传感器(25),并与所述第一导电件(241)绝缘间隔设置;和第一检测电路(251),用于发送第一驱动信号给所述第一导电件(241),以及接收第二导电件(243)输出的第一感测信号,并根据所述第一感测信号确定接触所述第一导电件(241)和所述第二导电件(243)的目标物体是否为真的人体。所述移动终端包括所述生物识别模组(21)。

Description

[0001] 技术领域
[0002] 本实用新型涉及传感识别技术领域, 尤其涉及一种具有识别真假人体功能的生 物识别模组和移动终端。
[0003] 背景技术
[0004] 随着生物识别模组 (如, 指纹识别模组)在智能移动终端的普及, 生物识别模组 的用途也越来越广泛。 从最初的幵机解锁的应用, 到现在移动支付以及转账等 的应用, 生物识别模组的安全问题越来越得到关注。 例如, 如果指纹识别模组 识别假手指的能力很 ί氐的话, 他人利用假手指则会较易骗过指纹识别模组, 实 现指纹解锁、 支付等功能, 这对用户而言是一个很大的安全隐患。 因此, 提供 一种具有识别真假生物体功能的装置实为必须。 其中, 所述生物体例如为用户 的手指。
[0005] 实用新型内容
[0006] 为了解决上述技术问题, 本实用新型提供一种具有识别真假人体功能的生物识 别模组和移动终端。
[0007] 为实现上述目的, 本实用新型提供如下技术方案:
[0008] 一种生物识别模组, 包括:
[0009] 传感器, 用于感测用户的生物特征信息;
[0010] 第一导电件, 邻近所述传感器;
[0011] 第二导电件, 邻近所述传感器, 并与所述第一导电件绝缘间隔设置;
[0012] 第一检测电路, 用于发送第一驱动信号给所述第一导电件, 以及接收第二导电 件输出的第一感测信号, 并根据所述第一感测信号确定接触所述第一导电件和 所述第二导电件的目标物体是否为真的人体。
[0013] 可选地, 所述第一检测电路根据所述第一驱动信号与第一感测信号来确定接触 所述第一导电件和所述第二导电件的目标物体是否为真的人体。
[0014] 可选地, 所述第一检测电路根据所述第一驱动信号与第一感测信号获取复阻抗 特征, 并根据所述复阻抗特征来确定所述目标物体是否为真的人体。
[0015] 可选地, 所述生物识别模组进一步包括绝缘件, 所述绝缘件设置在所述第一导 电件与第二导电件之间。
[0016] 可选地, 所述绝缘件连接所述第一导电件与所述第二导电件。
[0017] 可选地, 所述第一导电件和所述第二导电件为条形结构、 半环结构、 环形结构
、 弧形结构、 弯折结构中的任意一种或多种。
[0018] 可选地, 根据所述第一检测电路检测到的目标物体是否为真的人体, 所述传感 器来对应是否执行生物特征信息感测。
[0019] 可选地, 当所述第一检测电路检测到所述目标物体为真的人体吋, 所述传感器 被触发执行生物特征信息感测。
[0020] 可选地, 所述第一检测电路还用于驱动所述第一导电件和所述第二导电件执行 触摸感测, 当所述第一检测电路检测到第一导电件或 /和所述第二导电件被触摸 后, 驱动所述第一导电件和所述第二导电件执行真假人体感测; 或
[0021] 所述传感器还用于执行触摸感测, 当所述传感器检测到目标物体的触摸之后, 所述第一检测电路驱动所述第一导电件和所述第二导电件执行真假人体感测。
[0022] 可选地, 当所述传感器执行生物特征信息感测吋, 所述第一导电件与第二导电 件用于接收接地信号。
[0023] 可选地, 所述生物识别模组包括相对的第一侧与第二侧, 其中, 第一侧用于接 收生物特征信息输入, 所述生物识别模组进一步包括软性电路板, 设置在所述 第二侧, 与所述传感器电连接。
[0024] 可选地, 所述生物识别模组进一步包括加强板, 所述加强板设置在所述软性电 路板背对传感器的一侧。
[0025] 可选地, 所述生物识别模组进一步包括盖板, 所述盖板设置在所述传感器的第
[0026] 可选地, 所述生物识别模组为指纹识别模组。
[0027] 可选地, 所述第一导电件和所述第二导电件均为中空的环状结构, 所述第一导 电件围绕所述第二导电件, 所述传感器对应所述第二导电件的中空区域设置。
[0028] 可选地, 所述绝缘件、 所述第一导电件、 和所述第二导电件相配合形成一中空 的封闭式结构或环状结构, 所述传感器对应所述封闭式结构或环状结构的中空 区域设置。
[0029] 可选地, 当用户的手指触摸所述传感器所在的区域吋, 所述第一导电件和 /或 所述第二导电件被用户的手指一并触摸。
[0030] 可选地, 所述第一导电件、 第二导电件相对于所述传感器是被提升的, 与所述 传感器之间形成凹陷区。
[0031] 可选地, 所述第一导电件和 /或所述第二导电件还用作触摸按键, 所述第一检 测电路还用于对应驱动所述第一导电件和 /或所述第二导电件执行触摸感测。
[0032] 可选地, 所述第一检测电路根据所述第一感测信号确定直接接触所述第一导电 件和所述第二导电件的目标物体是否为真的人体。
[0033] 可选地, 所述第一检测电路根据所述第一感测信号确定接触所述第一导电件和 所述第二导电件的目标物体是否为真的手指。
[0034] 本实用新型还提供一种移动终端, 包括上述中任意一项所述的生物识别模组, 所述移动终端进一步包括外壳和显示装置, 所述外壳具有收容空间, 并设置有 通到移动终端外表面的通孔, 所述生物识别模组和所述显示装置收容在所述收 容空间中, 并相对设置, 所述第一导电件和所述第二导电件设置在所述通孔处 , 以被目标物体所接触。
[0035] 由于所述生物识别模组包括所述第一导电件与所述第二导电件, 所述第一检测 电路提供第一驱动信号给所述第一导电件, 所述第一导电件将接收到的第一驱 动信号通过接触所述第一导电件与所述第二导电件的目标物体传输给所述第二 导电件, 所述第二导电件对应输出第一感测信号, 并根据所述第一感测信号确 定接触所述第一导电件与所述第二导电件的目标物体是否为真的人体, 因此, 所述生物识别模组以及具有所述生物识别模组的移动终端的安全性可以得到提 高。
[0036] 尽管公幵了多个实施例, 包括其变化, 伹是通过示出并描述了本实用新型公幵 的说明性实施例的下列详细描述, 本实用新型公幵的其他实施例将对所属领域 的技术人员显而易见。 将认识到, 本实用新型公幵能够在各种显而易见的方面 修改, 所有修改都不会偏离本实用新型的精神和范围。 相应地, 附图和详细描 述本质上应被视为说明性的, 而不是限制性的。
[0037] 附图说明
[0038] 通过参照附图详细描述其示例实施方式, 本实用新型的特征及优点将变得更加 明显。
[0039] 图 1为本实用新型电子设备的一实施方式的结构示意图。
[0040] 图 2为图 1所示电子设备的按钮组件的一实施方式的结构示意图。
[0041] 图 3为图 2所示按钮组件的生物识别模组的电路框图。
[0042] 图 4为生物识别模组检测真假手指吋的等效电路图。
[0043] 图 5为图 1所示的环状结构的另一实施方式的结构示意图。
[0044] 图 6为图 1所示电子设备的另一实施方式的部分结构示意图。
[0045] 图 7为图 1所示电子设备的又一实施方式的部分结构示意图。
[0046] 具体实施方式
[0047] 为使本实用新型的上述目的、 特征和优点能够更为明显易懂, 下面结合附图对 本实用新型的具体实施例作详细地说明。 然而, 示例实施方式能够以多种形式 实施, 且不应被理解为限于在此阐述的实施方式; 相反, 提供这些实施方式使 得本实用新型将全面和完整, 并将示例实施方式的构思全面地传达给本领域的 技术人员。 为了方便或清楚, 可能夸大、 省略或示意地示出在附图中所示的每 层的厚度和大小、 以及示意地示出相关元件的数量。 另外, 元件的大小不完全 反映实际大小, 以及相关元件的数量不完全反映实际数量。 因为附图大小不同 等原因, 在不同的附图中所示的相同或相似或相关元件的数量存在并不一致的 情况。 在图中相同的附图标记表示功能相同或类似的结构。 然, 需要说明的是 , 为了使得标号具有规律性以及逻辑性等, 在某些不同实施例中, 功能相同或 类似的元件或结构采用了不同的附图标记, 根据技术的关联性以及相关文字说 明, 本领域的技术人员是可直接或间接判断得知。
[0048] 此外, 所描述的特征、 结构可以以任 1可合适的方式结合在一个或更多个实施 方式中。 在下面的描述中, 提供许多具体细节从而给出对本实用新型的实施方 式的充分理解。 然而, 本领域技术人员应意识到, 没有所述特定细节中的一个 或更多, 或者采用其它的结构、 组元等, 也可以实践本实用新型的技术方案。 在其它情况下, 不详细示出或描述公知结构或者操作以避免模糊本实用新型。
[0049] 进一步地, 下列术语是示例性的, 并非旨在以任 1可方式进行限制。 在阅读本 申请之后, 本领域技术人员将认识到, 这些术语表述适用于技术、 方法、 物理 元件以及系统 (无论目前是否知晓), 包括阅读本申请之后本领域技术人员推断出 或者可推断的其扩展。
[0050] 在本实用新型的描述中, 需要理解的是: "多个 "包括两个和两个以上, 除非 本申请另有明确具体的限定。 另外, 各元件名称以及信号名称中出现的"第一" 、 "第二 "等词语并不是限定元件或信号出现的先后顺序以及数量, 而是为方便 元件命名, 清楚区分各元件, 使得描述更简洁易懂。 进一步地, 限定有"第一" 、 "第二"等的特征可以明示或者隐含地包括一个或者更多个所述特征。
[0051] 请一并参阅图 1至图 4, 图 1为本实用新型电子设备的一实施方式的结构示意图 。 图 2为图 1所示电子设备的按钮组件的部分结构示意图。 图 3为图 2所示按钮组 件的生物识别模组的部分电路框图。 图 4为生物识别模组检测真假手指吋的等效 电路图。 所述电子设备 100如为可携式电子产品、 家居式电子产品、 或车载式电 子产品, 然, 本申请并不局限于此处所列的产品, 也可适用于其它合适的产品 。 所述可携式电子产品如为移动终端, 例如, 手机、 平板电脑、 笔记本电脑、 以及穿戴式产品等各类合适的电子产品; 家居式电子产品如为智能门锁、 电视 、 冰箱、 台式电脑等各类合适的电子产品; 车载式电子产品如为车载导航仪、 车载 DVD等各类合适的电子产品。 所述电子设备 100包括第一导电件 241、 第二 导电件 243、 和第一检测电路 251。 所述第一导电件 241和所述第二导电件 243之 间绝缘间隔设置。 所述第一检测电路 251与所述第一导电件 241、 第二导电件 243 分别连接。 所述第一检测电路 251用于发送第一驱动信号给第一导电件 241 , 以 及接收第二导电件 243输出的第一感测信号, 并根据所第一感测信号确定接触所 述第一导电件 241与所述第二导电件 243的目标物体是否为真的生物体。 所述生 物体例如为用户的手指。
[0052] 然, 本申请并不局限于此, 所述生物体也可为用户的耳朵、 手掌、 手腕、 胳膊 、 脚趾等身体上的任一合适的部分。 另外, 在某些情况下, 所述生物体也并不 局限于人体, 也可为其它合适动物体身上的合适部分。 [0053] 需要说明的是, 一般称按照真的人体的某个部分而仿造的模型被称为假体或假 的人体。 例如用导电材质制成的指纹膜即为一种类型的假体。 下面主要以生物 体为人体为例进行说明。
[0054] 由于本申请电子设备 100的第一检测电路 251根据所述第一感测信号能确定接触 所述第一导电件 241和所述第二导电件 243的目标物体是否为真的人体, 因此, 所述电子设备 100的安全性能够得到提高。
[0055] 较佳地, "接触 "为碰上或挨上的意思, 在本申请中, 所述目标物体是指直接接 触所述第一导电件 241和所述第二导电件 243的物体。 例如, 当真手指贴上指纹 膜后、 用指纹膜接触所述第一导电件 241和所述第二导电件 243吋, 本申请的技 术方案可确定直接接触所述第一导电件 241和所述第二导电件 243的指纹膜为假 体。
[0056] 所述第一导电件 241与所述第二导电件 243之间为相对设置。 然, 所述第一导电 件 241与第二导电件 243也可为相邻设置。
[0057] 在本申请中, 所述第一导电件 241和所述第二导电件 243包括导电物质, 可以传 输电信号, 所述导电物质例如为金属材料。 然, 本申请并不局限于此, 所述导 电物质也可为其它合适的导电材料或导电的复合材料。 进一步地, 在本申请的 各实施方式中, 所述第一导电件 241和所述第二导电件 243的数量均各为 1个, 然 , 可变更地, 在其它实施方式中, 所述第一导电件 241的数量也可为多个, 所述 第二导电件 243的数量也可为多个。
[0058] 所述第一驱动信号例如为方波脉冲信号、 三角波脉冲信号、 正弦波信号等等合 适的信号。
[0059] 所述第一检测电路 251例如根据所述第一感测信号和所述第一驱动信号来确定 接触所述第一导电件 241与第二导电件 243的目标物体是否为真的人体。
[0060] 具体地, 在一些实施方式中, 所述第一检测电路 251例如根据所述第一感测信 号相对于所述第一驱动信号在幅度和 /或相位上的变化来确定所述目标物体是否 为真的人体。
[0061] 在另一些实施方式中, 所述第一检测电路 251例如根据所述第一感测信号与所 述第一驱动信号获取电性特征, 并根据所述电性特征来确定所述目标物体是否 为真的人体。
[0062] 所述电性特征例如为复阻抗或复导纳。 复阻抗包括阻抗和阻抗角。 所述第一检 测电路 251例如根据所述阻抗角或 /和所述阻抗获知接触第一导电件 241和第二导 电件 243的目标物体是否为真的人体。
[0063] 类似地, 复导纳包括导纳和导纳角。 相应地, 所述第一检测电路 251也可根据 所述导纳角或 /和所述导纳获知接触第一导电件 241和第二导电件 243的目标物体 是否为真的人体。 由于复导纳为复阻抗的倒数, 因此, 下面主要以复阻抗来进 行说明。
[0064] 然, 所述电性特征并不局限于复阻抗, 也可为其它合适电性特征或所述其它合 适电性特征结合所述复阻抗。
[0065] 在又一些实施方式中, 所述第一检测电路 251也可根据所述第一感测信号与预 存的信号或信号范围进行比对, 来确定所述目标物体是否为真的人体。
[0066] 下面以真手指、 真手指贴合指纹膜、 指纹膜接触所述第一导电件 241和所述第 二导电件 243这三种情况为例进行说明。
[0067] 请参见图 4, 当目标物体接触所述第一导电件 241和所述第二导电件 243吋, 所 述目标物体、 第一导电件 241、 第二导电件 243、 第一检测电路 251形成一电路回 路, 其中, 所述目标物体相当于串 联连接于 所述第一导电件 241与所述第二导电件 243之间的电路元件。
[0068] 首先, 对于上述第二种情况, 当真手指贴上指纹膜后、 再由所述指纹膜接触所 述第一导电件 241和所述第二导电件 243 , 串
联连接于所述第一导电件 241与所述第二导电件 243之间的电路元件除了目标物 体指纹膜外, 还应包括所述真手指。
[0069] 相对地, 对于上述第一种情况, 当真手指直接接触所述第一导电件 241和所述 第二导电件 243吋, 串 联连接于所述第一导电 件 241与所述第二导电件 243之间的电路元件为所述真手指。
[0070] 对于上述第三种情况, 当将指纹膜不贴在真手指上而是直接放置在所述第一导 电件 241和所述第二导电件 243上吋, 串 联连 接于所述第一导电件 241与所述第二导电件 243之间的电路元件为所述指纹膜。 [0071] 相应地, 当所述第一检测电路 251提供第一驱动信号给所述第一导电件 241吋, 所述第一导电件 241将接收到的第一驱动信号通过接触所述第一导电件 241与所 述第二导电件 243的目标物体 (对于真手指贴指纹膜的情况, 所述第一驱动信号还 通过真手指)传输给所述第二导电件 243 , 所述第二导电件 243对应输出第一感测 信号给所述第一检测电路 251。
[0072] 由于真手指、 真手指结合指纹膜、 指纹膜的电性特征不同, 相应地, 当所述第 一驱动信号分别通过真手指、 真手指和指纹膜、 指纹膜之后、 所述第二导电件 分别对应接收到的信号 (即, 第一感测信号)是不同的, 从而, 所述第一检测电路 251根据所述第一感测信号确定接触所述第一导电件 241和第二导电件 243的目标 物体是否为真的人体。
[0073] 所述电子设备 100可进一步包括绝缘件 245。 所述绝缘件 245设置在所述第一导 电件 241与所述第二导电件 243之间。 所述绝缘件 245、 所述第一导电件 241、 和 第二导电件 243例如共同配合形成一中空的封闭式结构或环状结构 24。 所述绝缘 件 245的颜色例如与所述第一导电件 241和所述第二导电件 241的颜色相同或不同 。 所述环状结构 24可主要为圆环结构、 矩形环结构、 椭圆环结构等各种合适的 结构。 然, 可变更地, 所述绝缘件 245、 所述第一导电件 241、 和第二导电件 243 也可共同配合形成其它合适的结构, 并非限定于中空的封闭式结构或环形结构 2 4。 可变更地, 所述绝缘件 245在一些实施方式中也可被省略。
[0074] 在本实施方式中, 所述绝缘件 245、 所述第一导电件 241、 和所述第二导电件 24 3连接为一体。 然, 可变更地, 在其它实施方式中, 所述绝缘件 245、 所述第一 导电件 241、 和所述第二导电件 243也可并不连接为一体。
[0075] 在本实施方式中, 所述第一导电件 241与所述第二导电件 243均为半环结构或近 半环结构。 然, 可变更地, 在其它实施方式中, 所述第一导电件 241与所述第二 导电件 243也可为其它合适的结构, 例如条形结构、 环形结构、 弧形结构、 弯折 结构等等。
[0076] 所述电子设备 100可进一步包括外壳 (未标示), 所述外壳具有收容空间, 所述外 壳上设置有通到电子设备 100外表面的通孔 (未标示)。 所述第一导电件 241和所述 第二导电件 243例如曝露在所述通孔处, 以被所述目标物体接触。 所述第一检测 电路 251例如收容在所述收容空间中。
[0077] 所述通孔例如设置在所述电子设备 100的正面、 背面、 侧面中的任意一者或几 者。
[0078] 所述外壳例如包括保护盖板 10与后壳 30。 所述保护盖板 10与所述后壳 30共同配 合形成所述收容空间, 以收容电子元件于所述收容空间中。 以电子设备 100为手 机例, 所述保护盖板 10通常为透明或半透明的绝缘介质制成, 以透射光线。 所 述保护盖板 10例如为玻璃盖板。 所述后壳 30通常非透光。 然, 本申请并不以此 为限, 根据电子设备 100的类型不同, 所述保护盖板 10与所述后壳 30的材质可根 据需要对应选择。
[0079] 在本实施方式中, 所述保护盖板 10上设置所述通孔。 所述第一导电件 241与所 述第二导电件 243设置在所述通孔处, 以便用户触摸所述第一导电件 241与所述 第二导电件 243。 在本实施方式中, 所述环状结构 34设置在所述通孔处, 并与保 护盖板 10形成有所述通孔处的内侧壁之间的间隙较小, 以便用户接触或按压所 述第一导电件 241和所述第二导电件 243吋, 所述第一导电件 241和所述第二导电 件 243可相对所述保护盖板 10运动。
[0080] 所述电子设备 100包括生物识别模组 21。 所述生物识别模组 21用于确认接触生 物识别模组 21的目标物体是否为真的人体, 并当确定为真的人体吋, 执行生物 特征信息感测。 所述电子设备 100根据所述生物识别模组 21的感测结果对应执行 相应的功能, 如幵机解锁、 支付、 转账、 启动相应的应用程序 (APP)等, 或, 进 行生物特征信息注册, 以进行鉴权认证之用。 所述生物识别模组 21如为指纹识 别模组、 血氧识别模组、 心跳识别模组、 压力识别模组等中的任意一种或几种 的组合。
[0081] 所述生物识别模组 21包括所述第一导电件 241、 第二导电件 243、 绝缘件 245、 和所述第一检测电路 251 , 以执行真假人体的检测。 另外, 所述生物识别模组 20 进一步包括传感器 25。 所述传感器 25例如为一裸片 (Die)或芯片 (Chip)或芯片组( CWpset)。 所述传感器 25用于执行生物特征信息感测。 所述第一导电件 24和第二 导电件 243靠近或围绕所述传感器 25设置。 在本实施方式中, 所述环状结构 24围 绕所述传感器 25设置。 所述环状结构 24相对所述传感器 25更靠近所述保护盖板 1 0的外表面。 所述传感器 25从该环状结构 24的中空区域处接收目标物体的生物特 征信息输入。 所述传感器 25例如为指纹传感器、 血氧传感器、 心跳传感器、 压 力传感器等中的任意一种或几种的组合。 进一步地, 所述传感器 25例如为电容 式传感器、 红外传感器、 超声波式传感器、 光学传感器中的任意一种或几种的 组合。 更进一步地, 所述电容式传感器例如为互电容式传感器或自电容式传感 器。
[0082] 在一些实施方式中, 所述传感器 25例如包括第一弓 I脚 (图未示)和第二弓 I脚 (图未 示), 其中, 所述第一检测电路 251通过所述第一引脚与所述第一导电件 241连接 , 所述第一检测电路 25通过所述第二引脚与所述第二导电件 242连接。 相应地, 所述第一检测电路 251通过所述第一弓 I脚输出所述第一驱动信号给所述第一导电 件 241 , 并通过所述第二弓 I脚接收来自所述第二导电件 243输出的第一感测信号
[0083] 所述生物识别模组 21可进一步包括软性电路板 26与加强板 27。 所述软性电路板
26用于电连接所述传感器 25与外部电路, 以在二者之间进行信号的传输。 所述 外部电路例如为电子设备 100的处理器(AP或 CPU)40。 所述加强板 27贴合在所述 软性电路板 26背对所述传感器 25的一侧, 以加强软性电路板 26与所述传感器 25 相贴合处的强度。
[0084] 在本实施方式中, 所述生物识别模组 21曝露在所述通孔处。 为了电子设备的美 观, 较佳地, 所述生物识别模组 21进一步包括盖板 28, 所述盖板 28设置在所述 传感器 25的上方, 即, 所述盖板 28曝露在所述通孔处。 其中, 当所述传感器 25 为裸片吋, 所述盖板 28面对所述传感器 25进一步设置有遮光层; 当所述传感器 2 5为封装后的芯片吋, 所述传感器 25上形成有封装体。 所述遮光层与所述封装体 的颜色优选地与保护盖板 10下方的遮光层或壳体的颜色相同。 所述盖板 28例如 为蓝宝石盖板、 玻璃盖板、 陶瓷盖板等。 所述盖板 28可为圆形、 长条形、 方形 、 椭圆形等各种合适的形状。
[0085] 进一步地, 所述盖板 28相对所述保护盖板 10形成为凹陷区, 以指引用户触摸所 述生物识别模组 21。 然, 可变更地, 在其它实施方式中, 所述盖板 28也可被省 略。 [0086] 所述传感器 25包括多个感测电极和第二检测电路 257。 所述生物识别模组 21可 进一步包括控制电路 253。 所述多个感测电极一般呈阵列排布, 相应地, 称呈阵 列排布的多个传感电极为传感阵列 255。 然, 可变更地, 在其它实施方式中, 所 述多个感测电极也可呈其它规则方式或非规则方式排布, 本实用新型对此并不 做特别限制。 所述第二检测电路 257与所述传感阵列 255、 控制电路 253分别连接 。 所述控制电路 253进一步与所述第一检测电路 251连接。
[0087] 其中, 所述第二检测电路 257用于提供第二驱动信号给所述传感阵列 255 , 驱动 所述传感阵列 255执行生物特征信息感测, 并接收来自传感阵列 255输出的第二 感测信号, 以根据第二感测信号获取生物特征信息。
[0088] 工作吋, 当所述第一检测电路 251确定接触第一导电件 241与第二导电件 243的 目标物体为真的人体吋, 则提供相应的指令信号给控制电路 253。 所述控制电路 253根据所述指令信号触发所述第二检测电路 253工作, 驱动所述传感阵列 255幵 始对真的人体执行生物特征信息感测。
[0089] 当所述第一检测电路 251确定接触第一导电件 241与第二导电件 243的目标物体 为假体吋, 则不提供相应的指令信号给控制电路 253或提供另外不同的指令信号 给控制电路 253 , 所述控制电路 253则对应不触发第二检测电路 257工作。
[0090] 然, 可变更地, 在其它实施方式中, 所述第一检测电路 251也可与第二检测电 路 257直接连接, 而非通过控制电路 253。 相应地, 所述第一检测电路 251可直接 控制触发所述第二检测电路 257是否驱动传感阵列 255执行生物特征信息感测。
[0091] 在本实施方式中, 所述第一检测电路 251、 控制电路 253、 第二检测电路 257、 和传感阵列 255均集成在所述传感器 25中, 以提高传感器 25的集成度。 然, 可变 更地, 在其它实施方式中, 所述第一检测电路 251、 控制电路 253、 第二检测电 路 257、 和传感阵列 255中的一者或几者也可设置在所软性电路板 26上, 又或者 集成在其它芯片中。
[0092] 进一步地, 当所述传感器 25执行生物特征信息感测吋, 所述第一检测电路 251 可用于提供接地信号 (GND)给所述第一导电件 241和第二导电件 243 , 以屏蔽外 部对传感器 25的检测干扰, 提高感测精度。 其中, 所述接地信号一般为电子设 备 100的设备地或系统地上的信号, 通常例如为 0伏 (V)的电压信号, 然, 也可为 接近 ov的电压信号, 甚至为其它合适电压大小的信号。
[0093] 更进一步地, 所述第一检测电路 251在驱动所述第一导电件 241与第二导电件 24
3执行真假人体的检测之前, 还可用于提供脉冲信号给第一导电件 241和第二导 电件 243, 驱动所述第一导电件 241与第二导电件 243执行触摸感测。 当所述第一 检测电路 251检测到所述第一导电件 241或 /和第二导电件 243被触摸后, 再提供第 一驱动信号给第一导电件 241 , 以及接收第二导电件 243输出的第一感测信号, 以确定接触第一导电件 241与第二导电件 243的目标物体是否为真的人体。 如此 , 节省电子设备 100的功耗。
[0094] 然, 可变更地, 在其它实施方式中, 所述传感器 25可替换第一检测电路 251、 第一导电件 241与第二导电件 243执行所述触摸感测, 又或者, 所述第一导电件 2 41与第二导电件 243中的一者或二者配合传感器 25执行所述触摸感测也是可以的 。 即, 所述传感器 25也可用于先执行触摸感测, 检测是否有目标物体触摸所述 生物识别模组 21。
[0095] 另外, 以电子设备 100为手机为例, 所述电子设备 100进一步包括显示装置, 并 设置在保护盖板 10的下方, 以执行图像显示。 定义保护盖板 10对应显示画面的 区域为显示区, 其它区域则为非显示区。 在本实施方式中, 所述生物识别模组 2 1与所述显示装置相对设置, 并设置在非显示区。 然, 可变更地, 在其它实施方 式中, 所述生物识别模组 21的传感器 25也可对应显示区设置。 另外, 所述显示 装置还可进一步用作触摸装置, 执行触摸感测。
[0096] 所述电子设备 20可进一步包括按钮组件 20。 所述按钮组件 20包括所述生物识别 模组 21和幵关 23。 所述幵关 23设置在所述生物识别模组 21的下方。 所述生物识 别模组 21相较所述幵关 23邻近所述保护盖板 10。
[0097] 所述幵关 23例如为触觉幵关。 所述幵关 23例如用于接收用户手指在按钮组件 20 上施加的任 1可力, 将表示用户手指按下按钮组件 20的电信号通过所述软性电路 板 26或另一不同的软性电路板传输到一按钮电路 (图未示), 并可向用户手指提供 触觉反馈, 以指出按钮组件 20被按下。 所述按钮电路例如与所述处理器 40连接
[0098] 所述传感器 25、 所述软性电路板 26、 加强件、 幵关 23、 处理器 40、 和按钮电路 等电子元件收容在所述外壳的收容空间中。
[0099] 所述电子设备 100除上述列出的元件之外, 还可包括其它电路等等。 对于本领 域的技术人员而言, 所述电子设备 100对应增加或减少某些元件也是可行的。 本 申请中主要列出了与实用新型相关的元件, 以突出实用新型的重点。
[0100] 请参阅图 5, 图 5为图 2所示环状结构 24的另一实施方式的结构示意图。 在此实 施方式中, 所述第一导电件 241和所述第二导电件 243均为中空的封闭式结构或 环状结构, 其中, 所述第二导电件 243小于第一导电件 241 , 并位于所述第一导 电件 241的中空区域, 绝缘件 245设置于所述第一导电件 241与所述第二导电件 24 3之间。 较佳地, 所述绝缘件 245也对应为一中空的封闭式结构或环状结构, 并 连接所述第一导电件 241与所述第二导电件 243为一体。 然, 所述绝缘件 245也可 并非限定为中空的封闭式结构或环状结构, 也可为其它分段式的结构。
[0101] 所述绝缘件 245的颜色例如与所述第一导电件 241和所述第二导电件 241的颜色 相同或不同。
[0102] 请参阅图 6, 图 6为图 1所示电子设备 100的另一实施方式的部分结构示意图。 在 此实施方式中, 所述保护盖板 10的通孔 H的内侧壁水平延伸出二绝缘件 245。 较 佳地, 所述二绝缘件 245相对设置。 第一导电件 241与第二导电件 243通过所述二 绝缘件 245绝缘间隔设置。 所述二绝缘件 245、 所述第一导电件 241、 第二导电件 243共同配合形成一中空的封闭式结构或环形结构。
[0103] 可见, 在此实施方式中, 无需再额外单独形成绝缘件 245, 从而节省材料。
[0104] 请参阅图 7, 图 7为图 1所示电子设备 100的另一实施方式的部分结构示意图。 所 述保护盖板 10上设置二条形通孔 HI、 H2。 所述第一导电件 241与所述第二导电 件 243收容并曝露在所述通孔 Hl、 H2, 以便被目标物体接触。
[0105] 在此实施方式中, 传感器 25可设置在保护盖板 10的下方, 例如对应所述保护盖 板 10上的二条形通孔 Hl、 H2之间的区域设置。 相应地, 盖板 28可被省略。
[0106] 可变更地, 所述二条形通孔 Hl、 H2并不限制于条形, 也可为其它合适的形状
, 例如为弧形通孔等等。
[0107] 除上述各实施方式的所第一导电件 241与所述第二导电件 243的相对设置方式之 夕卜, 所述第一导电件 241与所述第二导电件 243也可为相邻设置等其它各种合适 的设置方式, 本实用新型对此并不作特别的限制, 只要当目标物体接触所述生 物识别模组 21以执行真假人体的检测吋, 所述第一导电件 241与所述第二导电件 243都能被所述目标物体接触即可。
[0108] 所述生物识别模组 21也并不限于设置在电子设备 100上, 也可设置其它设备上
, 如机械设备等。
[0109] 在其它变更实施方式中, 所述通孔例如设置在所述后壳 30上, 所述第一导电件
241和第二导电件 243曝露在所述通孔处, 所述传感器 25对应所述通孔区域设置 。 所述第一导电件 241和第二导电件 243相较于所述传感器 25更靠近所述后壳 30 的外表面。
[0110] 或者, 所述通孔设置在所述外壳对应电子设备 100的侧壁上, 所述传感器 25对 应所述通孔区域设置。
[0111] 进一步地, 现有技术的电子设备通常在正面设置一具有指纹识别模组的按钮组 件, 缺少实体触摸按键, 导致用户对电子设备的使用体验较差。
[0112] 为解决这一技术问题, 本申请提出: 利用所述第一导电件 241和第二导电件 243 作为触摸按键。 所述第一检测电路 251用于驱动所述第一导电件 241和所述第二 导电件 243执行触摸感测。
[0113] 由于本申请在不增加触摸电极的情况下利用第一导电件 241和第二导电件 243作 为触摸按键, 从而, 可提高电子设备 100的用户使用体验。
[0114] 所述第一导电件 241与所述第二导电件 243如可分别用作功能不同或相同的第一 触摸按键和第二触摸按键。 所述第一触摸按键为菜单键、 导航键、 音量控制键 、 返回键等中的任意一种或几种, 所述第二触摸按键为返回键、 导航键、 音量 控制键、 返回键等中的任意一种或几种。 例如, 当所述第一触摸按键为返回键 吋, 所述第二触摸按键则为菜单键; 当所第一触摸按键为音量增大键吋, 所述 第二触摸按键则为音量减小键; 当所述第一触摸按键为向左或向上滚动键吋, 所述第二触摸按键对应则为向右或向下滚动键; 当所述第一触摸按键为向前翻 页键吋, 所述第二触摸按键则为向后翻页键吋。 本申请此处只是示例地列出第 一导电件 241与第二导电件 243作为一些功能的触摸按键, 然, 本申请并不以此 为限, 所述第一导电件 241与所述第二导电件 243也可为其它功能的触摸按键, 例如, 当拍照或摄像吋, 所述第一导电件 241与所述第二导电件 243也可分别作 为放大键 (Zoom In)和缩小键 (Zoom Out)等。 所述第一导电件 241与所述第二导 电件 243作为 1可种功能的触摸按键, 厂商或用户可根据需要进行灵活设定。
[0115] 根据预先设定的功能, 当所述第一导电件 241和第二导电件 243用作触摸按键被 触摸吋, 所述处理器 40对应控制电子设备 100执行相应的功能。
[0116] 举例, 当浏览网页吋, 用户可通过触摸第一导电件 241 , 对应地控制网页进行 向上滚动。
[0117] 然, 当传感器 25对真的人体执行生物特征信息感测吋, 所述第一检测电路 251 提供所述接地信号给所述第一导电件 241和第二导电件 243。
[0118] 另外, 在所述生物识别模组 21被触发执行生物特征信息感测吋, 所述第一检测 电路 251也可先驱动所述第一导电件 241和第二导电件 243执行触摸感测。 当检测 到触摸后, 再驱动所述第一导电件 241和第二导电件 243执行真假人体感测。 当 确定接触所述第一导电件 241和第二导电件 243的目标物体为真的人体吋, 所述 传感器 25幵始对真的人体执行生物特征信息感测。
[0119] 例如, 当用户使用微信支付需要执行生物特征信息感测吋, 所述处理器 40对应 触发生物识别模组 21工作。 相应地, 当所述第一检测电路 251检测到所述第一导 电件 241或 /和第二导电件 243被目标物体触摸吋, 所述第一检测电路 251接着检测 接触所述第一导电件 241和第二导电件 243的目标物体是否为真的人体; 相对地 , 当用户进行网页浏览而无需执行生物特征信息感测吋, 所述第一检测电路 251 驱动第一导电件 241和第二导电件 243执行触摸感测, 此吋, 所述第一导电件 241 和第二导电件 243分别用作触摸按键, 当第一检测电路 251检测到目标物体的触 摸后, 所述处理器 40则根据预设的触摸按键功能对应控制电子设备 100执行相应 的功能, 如翻页等。
[0120] 可变更地, 在其它实施方式中, 所述第一导电件 241和第二导电件 243中的一者 可用作触摸按键, 而另一者则不用作触摸按键都是可行的。
[0121] 可见, 本申请的电子设备 100的生物识别模组 21包括相分离的第一导电件 241和 第二导电件 243, 不仅可实现真假人体的检测, 也可作为不同或相同功能的触摸 按键。 相应地, 所述电子设备 100能够进一步提升用户的使用体验。 [0122] 此外, 对于上述各实施方式的电子设备 100, 所述第一感测信号或者测量得到 复阻抗与所述目标物体的按压力度或 /和按压面积相关联。 所述第一感测信号或 测量得到的复阻抗随所述目标物体的按压力度或 /和面积的变化而变化。
[0123] 相应地, 所述第一检测电路 251在对接触第一导电件 241和第二导电件 243的目 标物体进行真假人体的检测吋, 为了检测的精准, 例如对于复阻抗的阻抗或 /和 阻抗角取一段检测吋间内的均值来确定所述目标物体是否为真的人体。
[0124] 对于上述各实施方式的第一导电件 241和第二导电件 243, 例如全部或部分为导 电材料。
[0125] 进一步地, 例如出于产品外观的考量, 例如对于图 2与图 5所示的实施例的环状 结构 24, 在保证真假人体的感测精度的情况下, 也可以在环状结构 24的外表面 包裹绝缘层, 例如, 绝缘胶带。 从而, 环状结构 24的外表是一颜色相同的完整 结构。
[0126] 尽管是参考各实施例来描述本实用新型公幵, 伹是可以理解, 这些实施例是说 明性的, 并且本实用新型的范围不仅限于它们。 许多变化、 修改、 添加、 以及 改进都是可能的。 更一般而言, 根据本实用新型公幵的各实施例是在特定实施 例的上下文中描述的。 功能可以在本实用新型公幵的各实施例中在过程中以不 同的方式分离或组合, 或利用不同的术语来描述。 这些及其他变化、 修改、 添 加、 以及改进可以在如随后的权利要求书所定义的本实用新型公幵的范围内。 技术问题
问题的解决方案
发明的有益效果

Claims

权利要求书
[权利要求 1] 一种生物识别模组, 包括:
传感器, 用于感测用户的生物特征信息;
第一导电件, 邻近所述传感器;
第二导电件, 邻近所述传感器, 并与所述第一导电件绝缘间隔设置; 第一检测电路, 用于发送第一驱动信号给所述第一导电件, 以及接收 第二导电件输出的第一感测信号, 并根据所述第一感测信号确定接触 所述第一导电件和所述第二导电件的目标物体是否为真的人体。
[权利要求 2] 如权利要求 1所述的生物识别模组, 其特征在于: 所述第一检测电路 根据所述第一驱动信号与第一感测信号来确定接触所述第一导电件和 所述第二导电件的目标物体是否为真的人体。
[权利要求 3] 如权利要求 2所述的生物识别模组, 其特征在于: 所述第一检测电路 根据所述第一驱动信号与第一感测信号获取复阻抗特征, 并根据所述 复阻抗特征来确定所述目标物体是否为真的人体。
[权利要求 4] 如权利要求 1所述的生物识别模组, 其特征在于: 所述生物识别模组 进一步包括绝缘件, 所述绝缘件设置在所述第一导电件与第二导电件 之间。
[权利要求 5] 如权利要求 4所述的生物识别模组, 其特征在于: 所述绝缘件连接所 述第一导电件与所述第二导电件。
[权利要求 6] 如权利要求 1所述的生物识别模组, 其特征在于: 所述第一导电件和 所述第二导电件为条形结构、 半环结构、 环形结构、 弧形结构、 弯折 结构中的任意一种或多种。
[权利要求 7] 如权利要求 1所述的生物识别模组, 其特征在于: 根据所述第一检测 电路检测到的目标物体是否为真的人体, 所述传感器来对应是否对所 述目标物体执行生物特征信息感测。
[权利要求 8] 如权利要求 7所述的生物识别模组, 其特征在于: 当所述第一检测电 路检测到所述目标物体为真的人体吋, 所述传感器被触发执行生物特 征信息感测。 如权利要求 1所述的生物识别模组, 其特征在于: 所述第一检测电路 还用于驱动所述第一导电件和所述第二导电件执行触摸感测, 当所述 第一检测电路检测到第一导电件或 /和所述第二导电件被触摸后, 驱 动所述第一导电件和所述第二导电件执行真假人体感测; 或 所述传感器还用于执行触摸感测, 当所述传感器检测到目标物体的触 摸之后, 所述第一检测电路驱动所述第一导电件和所述第二导电件执 行真假人体感测。
如权利要求 1所述的生物识别模组, 其特征在于: 当所述传感器执行 生物特征信息感测吋, 所述第一导电件与第二导电件用于接收接地信 号。
如权利要求 1-10中任意一项所述的生物识别模组, 其特征在于: 所述 生物识别模组包括相对的第一侧与第二侧, 其中, 第一侧用于接收生 物特征信息输入, 所述生物识别模组进一步包括软性电路板, 设置在 所述第二侧, 与所述传感器电连接。
如权利要求 11所述的生物识别模组, 其特征在于: 所述生物识别模组 进一步包括加强板, 所述加强板设置在所述软性电路板背对传感器的 如权利要求 11所述的生物识别模组, 其特征在于: 所述生物识别模组 进一步包括盖板, 所述盖板设置在所述传感器的第一侧。
如权利要求 1所述的生物识别模组, 其特征在于: 所述生物识别模组 为指纹识别模组。
如权利要求 1或 4所述的生物识别模组, 其特征在于: 所述第一导电件 和所述第二导电件均为中空的环状结构, 所述第一导电件围绕所述第 二导电件, 所述传感器对应所述第二导电件的中空区域设置。
如权利要求 4所述的生物识别模组, 其特征在于: 所述绝缘件、 所述 第一导电件、 和所述第二导电件相配合形成一中空的封闭式结构或环 状结构, 所述传感器对应所述封闭式结构或环状结构的中空区域设置 [权利要求 17] 如权利要求 1所述的生物识别模组, 其特征在于: 当用户的手指触摸 所述传感器所在的区域吋, 所述第一导电件和 /或所述第二导电件被 用户的手指一并触摸。
[权利要求 18] 如权利要求 1所述的生物识别模组, 其特征在于: 所述第一导电件、 第二导电件相对于所述传感器是被提升的, 与所述传感器之间形成凹 陷区。
[权利要求 19] 如权利要求 1所述的生物识别模组, 其特征在于: 所述第一导电件和 / 或所述第二导电件还用作触摸按键, 所述第一检测电路还用于对应驱 动所述第一导电件和 /或所述第二导电件执行触摸感测。
[权利要求 20] 如权利要求 1所述的生物识别模组, 其特征在于: 所述第一检测电路 根据所述第一感测信号确定直接接触所述第一导电件和所述第二导电 件的目标物体是否为真的人体。
[权利要求 21] 如权利要求 14或 20所述的生物识别模组, 其特征在于: 所述第一检测 电路根据所述第一感测信号确定接触所述第一导电件和所述第二导电 件的目标物体是否为真的手指。
[权利要求 22] 如权利要求 8所述的生物识别模组, 其特征在于: 当所述第一检测电 路检测到所述目标物体为假的人体吋, 所述传感器不被触发执行生物 特征信息感测。
[权利要求 23] 如权利要求 1所述的生物识别模组, 其特征在于: 所述第一导电件和 所述第二导电件的全部或部分由导电材料制成。
[权利要求 24] 如权利要求 1所述的生物识别模组, 其特征在于: 所述传感器为电容 式的指纹传感器。
[权利要求 25] 如权利要求 1所述的生物识别模组, 其特征在于: 所述第一检测电路 集成在所述传感器中。
[权利要求 26] 如权利要求 1所述的生物识别模组, 其特征在于: 所述第一导电件和 / 或第二导电件还用作触摸按键, 当所述第一导电件和 /或第二导电件 用作触摸按键吋, 所述第一检测电路驱动所述第一导电件和第二导电 件执行触摸感测。 [权利要求 27] 如权利要求 26所述的生物识别模组, 其特征在于: 所述触摸按键为菜 单键、 返回键、 导航键、 拍摄建、 音量控制键中的任意一个或几个。
[权利要求 28] 一种移动终端, 包括权利要求 1至 27中任意一项所述的生物识别模组 [权利要求 29] 如权利要求 28所述的移动终端, 其特征在于: 所述移动终端进一步包 括外壳和显示装置, 所述外壳具有收容空间, 并设置有通到移动终端 外表面的通孔, 所述生物识别模组和所述显示装置收容在所述收容空 间中, 并相对设置, 所述第一导电件和所述第二导电件设置在所述通 孔处, 以被目标物体所接触。
[权利要求 30] 如权利要求 28所述的移动终端, 其特征在于: 所述生物识别模组设置 在所述移动终端的正面、 背面、 或侧面。
[权利要求 31] 如权利要求 28所述的移动终端, 其特征在于: 所述移动终端为手机。
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