WO2017206912A1 - 生物识别芯片和电子设备 - Google Patents

生物识别芯片和电子设备 Download PDF

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Publication number
WO2017206912A1
WO2017206912A1 PCT/CN2017/086647 CN2017086647W WO2017206912A1 WO 2017206912 A1 WO2017206912 A1 WO 2017206912A1 CN 2017086647 W CN2017086647 W CN 2017086647W WO 2017206912 A1 WO2017206912 A1 WO 2017206912A1
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WO
WIPO (PCT)
Prior art keywords
chip
biometric
touch
electronic device
touch button
Prior art date
Application number
PCT/CN2017/086647
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English (en)
French (fr)
Inventor
王小明
Original Assignee
深圳信炜科技有限公司
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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
Publication of WO2017206912A1 publication Critical patent/WO2017206912A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces

Definitions

  • the present invention relates to the field of biometric information sensing technologies, and in particular, to a biometric identification chip and an electronic device.
  • biosensor devices have gradually become standard equipment for electronic devices (eg, mobile phones, etc.).
  • the biosensor device is currently mainly used for sensing biological information input by the user.
  • the main control circuit of the electronic device controls whether the electronic device performs a preset function according to the biological information sensed by the biosensor device.
  • the present invention provides a biometric identification chip capable of driving a touch button of an electronic device to perform a touch sensing function and an electronic device.
  • the present invention provides a biometric identification chip disposed in an electronic device having a touch button for sensing biometric information input by a user, the biometric identification chip being used for
  • the touch button connection provides a touch drive signal to the touch button, and the touch button is driven to perform touch sensing.
  • the biometric chip further receives a touch sensing signal from a touch button output, and determines whether the control button performs a corresponding function according to the touch sensing signal to determine whether the touch button is touched or not.
  • the biometric chip is a fingerprint sensing chip.
  • biometric chip of the present invention can further drive the touch button to perform the touch sensing function, the function of the biometric chip is further expanded to improve the utilization rate of the biometric chip.
  • the invention also provides an electronic device comprising:
  • a protective cover comprising a first surface and a second surface opposite the first surface
  • An in-cell touch display device is disposed on a side of the second surface of the protective cover for performing touch sensing and image display;
  • the biometric chip is connected to the touch button for sensing biometric information input by the user, and is also used to drive the touch button to perform touch sensing.
  • the biometric chip and the touch button are disposed at the same end of the electronic device.
  • the biometric chip is a die bonded to the second surface by a flip chip process; or the biometric chip is a packaged chip adhered to the second through the adhesive layer surface.
  • the second surface is further provided with a wire for connecting the biometric chip and the touch button; when the biometric chip is adhered to The second surface of the biometric chip is connected to the touch button through a flexible circuit board.
  • the touch button includes a sensing electrode formed on the second surface or formed on a flexible circuit board.
  • the electronic device further includes a light shielding layer disposed on the second surface of the protective cover to define a light transmissive area and a non-transmissive area on the protective cover; the touch button and the The biometric chip is placed in a non-transparent area.
  • the biometric chip includes one or more of a fingerprint sensing chip, a blood oxygen recognition chip, and a heartbeat identification chip.
  • the biometric chip of the electronic device of the present invention is used for sensing the biometric information input by the user, and is also used for driving the touch button to perform touch sensing, the function of the biometric identification chip is further expanded, and the utilization rate of the biometric identification chip is improved. .
  • FIG. 1 is a partially exploded perspective view of an embodiment of a mobile phone of the present invention.
  • Fig. 1a is a schematic cross-sectional view showing a part of the structure of the mobile phone shown in Fig. 1.
  • FIG. 1b is a schematic diagram showing a partial assembly structure of the mobile phone shown in FIG. 1.
  • Fig. 2 is a schematic view showing the structure of a modified embodiment of the touch button shown in Fig. 1b.
  • FIG. 3 is a circuit block diagram of the biometric chip shown in FIG. 1b.
  • FIG. 4 is a schematic block diagram showing a partial structure of a modified embodiment of the mobile phone of the present invention.
  • Fig. 5 is a schematic block diagram showing a part of a modification of the mobile phone of the present invention.
  • Figure 6 is a schematic block diagram showing a portion of a modified embodiment of the mobile phone of the present invention.
  • Fig. 7 is a schematic block diagram showing a part of a modification of the mobile phone of the present invention.
  • Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be embodied in a variety of forms and should not be construed as being limited to the embodiments set forth herein. To those skilled in the art.
  • the thickness and size of each layer shown in the drawings may be exaggerated, omitted or schematically shown, and the number of related elements may be schematically illustrated for convenience or clarity.
  • the size of the component does not fully reflect the actual size, and the number of related components does not fully reflect the actual number.
  • connection may be in various embodiments such as electrical connection, mechanical connection, coupling, direct connection, and indirect connection, and is not particularly limited unless specifically described below.
  • the terms “thickness”, “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom” , “inside”, “outside” The orientation or positional relationship of the indications is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and the simplified description, and does not indicate or imply that the device or component referred to has a specific orientation, Azimuth construction and operation are therefore not to be construed as limiting the invention.
  • FIG. 1 is a partially exploded structural diagram of an embodiment of an electronic device according to the present invention.
  • Fig. 1a is a schematic cross-sectional view showing a part of the structure of the mobile phone shown in Fig. 1.
  • FIG. 1b is a schematic diagram showing a partial assembly structure of the mobile phone shown in FIG. 1.
  • the invention provides an electronic device, which can be a portable electronic product, a home electronic product or an in-vehicle electronic product.
  • the electronic device is not limited to the electronic products listed herein, but may be other suitable electronic products.
  • the portable electronic product is, for example, a mobile terminal, and the mobile terminal is, for example, a suitable mobile terminal such as the mobile phone, tablet computer, notebook computer, wearable product, or the like.
  • the home-based electronic product is, for example, a smart home door lock, a television, a refrigerator, a desktop computer, and the like.
  • the in-vehicle electronic products are, for example, suitable in-vehicle electronic products such as an in-vehicle display, a driving recorder, a navigator, and a car refrigerator.
  • the electronic device 100 is described by taking the commonly used mobile phone as an example.
  • the electronic device 100 includes a protective cover 10, a touch button 20, and a biometric chip 30.
  • the protective cover 10 includes a first surface 11 and a second surface 12 opposite the first surface 11.
  • the first surface 11 is an outer surface of the electronic device 100, that is, a surface that the user can directly touch.
  • the second surface 12 is located inside the electronic device 100.
  • the protective cover 10 is, for example, a transparent glass or sapphire cover.
  • the material of the protective cover 10 may also be other suitable materials, and is not limited to a glass or sapphire cover, for example, a film cover. board.
  • the protective cover 10 can also be a translucent or non-transparent cover.
  • the touch button 20 is disposed on the second surface 12 of the protective cover 10.
  • Biological knowledge The chip 30 is connected to the touch button 20 for sensing biological information input by the user from the first surface 11, and is also used to drive the touch button 20 to perform a touch sensing function.
  • the biometric identification chip 30 detects that the input biometric information matches the biometric information template pre-stored in the electronic device 100, the electronic device 100 performs a preset function or an application, for example, a screen unlocking function, Payment function, launch APP (Applicatio, application), open folder, and more.
  • biometric identification chip 30 of the present invention is further used to drive the touch button 20 to perform touch sensing, the function of the biometric identification chip 30 is further expanded to improve the utilization rate of the biometric identification chip 30.
  • the biometric identification chip 30 is, for example, one or more of a fingerprint recognition chip, a blood oxygen recognition chip, a heartbeat recognition chip, a pressure recognition chip, a humidity recognition chip, a temperature recognition chip, and an iris recognition chip.
  • the biological information is, for example, one or more of fingerprint information, blood oxygen information, heartbeat information, pressure information, humidity information, temperature information, and iris information.
  • the present invention is not limited to the types of biometric chip 30 and biometric information enumerated herein, but may be other suitable biometric chips 30 and types of biometric information.
  • the biometric chip 30 is disposed on the side of the second surface 12 of the protective cover 10.
  • the biometric chip 30 can also be disposed at other suitable locations on the side of the electronic device 100, and is not limited to the front side of the electronic device 100.
  • the biometric identification chip 30 is disposed under the protective cover 10.
  • the protective cover 10 may be provided with a through hole, and the biometric chip 30 is disposed at In the through hole.
  • the biometric chip 30 may be combined with a physical button and disposed in the through hole.
  • the biometric identification chip 30 is disposed on the second surface 12 of the protective cover 10 by a Flip-Chip technology and is connected to the touch button 20.
  • the biometric chip 30 is a die.
  • the biometric chip 30 is bonded to the second surface 12 of the protective cover 10 by a COG (Chip On Glass) process.
  • the protective cover 10 is, for example, a film cover
  • the biometric chip 30 can be bound to the protective cover 10 by a COF (Chip On Film) process. Two surfaces 12 on top.
  • the electronic device 100 further includes a light shielding layer 40 disposed on the second surface 12 of the protective cover 10 to define the light transmitting region 101 and the non-light transmitting region 102 on the protective cover 10.
  • the touch button 20 may be disposed on the non-transmissive region 102 of the second surface 12 of the protective cover 10 or may be disposed on the transparent region 101 of the second surface 12 .
  • the biometric chip 30 may be disposed on the non-transmissive region 102 of the second surface 12 of the protective cover 10 or may be disposed on the transparent region 101 of the second surface 12.
  • the touch button 20 and the biometric chip 30 may be located on the same side of the transparent area 101 of the protective cover 10 or on either side of the transparent area 101 of the protective cover 10.
  • the biometric identification chip 30 is disposed adjacent to the touch button 20 and is disposed at one end of the protective cover 10 , that is, at the same end of the electronic device 100 .
  • a touch mark 21 is disposed on the non-transparent area 102.
  • the touch mark 21 is disposed corresponding to the touch button 20 for marking the position of the touch button 20 or the function of the touch button 20.
  • a wire 50 is further formed on the non-transmissive region 101 of the second surface 12 of the protective cover 10.
  • the wire 50 is used to electrically connect the biometric chip 30 and the touch button 20.
  • the wire 50 is located between the touch button 20 and the biometric chip 30.
  • the wires 50 are a plurality of wires.
  • the wire 50 is formed, for example, of a conductive silver paste or molybdenum lithium molybdenum.
  • a wire layer is formed on the light shielding layer 40 by coating or brushing silver paste or molybdenum lithium molybdenum, and then, on the wire The layer is subjected to an operation such as etching to form the wire 50.
  • the wire 50 may be directly formed on the light shielding layer 40, and the wire 50 may also be made of a conductive material such as metal or indium tin oxide.
  • an anisotropic conductive layer 60 is formed between the wire 50 and the biometric chip 30.
  • the biometric chip 30 is electrically connected to the touch button 20 through the anisotropic conductive layer 60 and the wire 50.
  • the anisotropic conductive layer 60 may be disposed on the protective cover 10 on the protective cover 10 together with the touch button 20, the wire 50, and the biometric chip 30.
  • the The asymmetrical conductive layer 60, the touch button 20, the wire 50, and a portion of the biometric chip 30 are disposed on the non-transparent region 102 of the protective cover 10, and another portion is disposed on the The light transmissive area 101 on the cover 10 is protected.
  • the anisotropic conductive layer 60 is, for example, an anisotropic conductive film (Anisotropic) Conductive Film, ACF) 14 or anisotropic conductive adhesive/paste (ACA/ACP).
  • ACF anisotropic Conductive Film
  • ACA/ACP anisotropic conductive adhesive/paste
  • the anisotropic conductive layer 60 may also be other suitable materials capable of achieving anisotropic conductive function, and is not limited to the ACF, ACA, and ACP described in the present application.
  • the biometric identification chip 30 is bound to the protective cover 10 by a flip chip process.
  • the biometric chip 30 can be formed on the protective cover 10 by other suitable processes or methods, and connected to the touch button 20 through the anisotropic conductive layer 60 and the wires 50.
  • the touch button 20 includes a sensing electrode 22 and a driving electrode 23, and a mutual capacitance is formed between the sensing electrode 22 and the driving electrode 23, and whether a touch is sensed based on the mutual capacitance sensing principle. operating.
  • the driving electrode 23 surrounds the sensing electrode 22 and is formed on the second surface 12 of the protective cover 10 with the sensing electrode 22.
  • the positions of the drive electrodes 23 and the sensing electrodes 22 are also interchangeable.
  • the sensing electrode 22 and the driving electrode 23 may also be formed on other suitable components, for example, formed on a flexible circuit board, and then electrically connected to the biometric chip 30 through the flexible circuit board.
  • the flexible circuit board is attached to the protective cover 10.
  • the sensing electrode 22 and the driving electrode 23 may be made of conductive silver paste or molybdenum lithium molybdenum .
  • the sensing electrode 22 and the driving electrode 23 can also be made of other suitable materials.
  • FIG. 2 is a schematic diagram showing the structure of a modified embodiment of the touch button 20 shown in FIG. 1b.
  • the touch button 20 includes a sensing electrode 24 that detects whether there is a touch operation based on a self-capacitance sensing principle.
  • the sensing electrode 24 is, for example, a spiral electrode.
  • FIG. 3 is a circuit block diagram of the biometric identification chip 30 shown in FIG. 1b.
  • the biometric chip 30 includes a sensing electrode array 31 and a driving circuit 32.
  • the driving circuit 32 is connected to the sensing electrode array 31 and the touch button 20, respectively.
  • the driving circuit 32 drives the sensing electrode array 31 to perform biometric information sensing, and also drives the touch button 20 to perform touch sensing.
  • the driving circuit 32 provides a touch driving signal to the driving electrode 23 and receives a touch sensing signal from the sensing electrode 22 to know that the touch button 20 is based on the touch sensing signal. None has been touched.
  • the driving circuit 32 drives the sensing electrode array 31 and the touch button 20 to operate simultaneously or in a time-sharing manner.
  • the electronic device 100 further includes a rear case 70, a main board 75, and a display device 80.
  • the display device 80 is used for screen display.
  • the main board 75 is connected to the display device 80 and the biometric chip 30 for communication with the display device 80 and the biometric chip 30.
  • the protective cover 10 and the rear cover 70 cooperate to form a receiving space for receiving the biometric chip 30, the touch button 20, the display device 80, and the main board 75 in the receiving space.
  • the rear housing 70 includes a side 72.
  • FIG. 4 is a schematic block diagram showing a part of a modified embodiment of the mobile phone of the present invention.
  • the biometric chip 30 is disposed on the side 72.
  • the biometric chip 30 is disposed adjacent to the touch button 20.
  • the biometric identification chip 30 is disposed at a lower end of the left side surface 72 of the rear case 70 to facilitate contact of a little finger in a user's finger, and the touch button 20 is disposed on the second surface 12 The lower end is adjacent to the biometric chip 30.
  • the biometric identification chip 30 and the touch button 20 of the present invention are not limited to the above-described setting manner, and may be other suitable setting manners.
  • FIG. 5 is a schematic diagram showing a partial structure of another modified embodiment of the mobile phone of the present invention.
  • the electronic device 100 still further includes a touch sensing layer 90.
  • the touch sensing layer 90 is disposed on the second surface 12 of the protective cover 10 for sensing a user touch operation on the protective cover 10 on an area that is not blocked by the light shielding layer 40.
  • the touch sensing layer 90 may be stacked between the display device 80 and the protective cover 10, or may be embedded in the display device 80 to form an in-cell touch display device.
  • the in-cell touch display device may be an In-Cell touch display device or an On-Cell touch display device.
  • the display device 80 is, for example, a liquid crystal display device, an organic electroluminescence display device, or the like, of a suitable type of display device.
  • the touch sensing layer 90 may be an additional electrode layer or an electrode structure of the multiplexing display device 80 itself.
  • the touch sensing layer 90 can be a single layer structure or a two layer structure. Further, the sensing principle of the touch sensing layer 90 may be a mutual capacitance sensing principle or a self capacitance sensing principle.
  • the touch sensing layer 90 is disposed between the polarizer and the color filter, for example, to form an On-Cell touch display device.
  • said The touch sensing layer 90 can also be provided, for example, to form an In-Cell touch display device between the color filter substrate and the film array substrate, and the like.
  • the touch sensing layer 90 is gradually integrated into the display device 80, an in-cell touch display device is formed, and the touch driving chip for driving the touch sensing layer 90 is gradually integrated with the display driving chip for driving the display device 80.
  • Touch the display driver chip Generally, an antenna is disposed in a lower end of the electronic device 100 (ie, near one end of the microphone).
  • the touch display driving chip is generally disposed at an upper end of the electronic device 100 (ie, near one end of the earpiece), that is, the touch display driving chip and the touch Buttons 20 are located at both ends of the phone.
  • the touch display driver chip is further used to drive the touch button 20
  • a long wire needs to be disposed between the touch display driving chip and the touch button 20, thereby causing the connecting wire to occupy more internal space of the mobile phone, and
  • the arrangement of other components and the signal transmission have an effect.
  • the present invention proposes to further drive the touch button 20 to perform a touch operation by using the biometric chip 30, so that the driving path of the touch button 20 can be shortened, material cost is saved, and electronic equipment is reduced.
  • the occupation of the internal space of 100 facilitates the arrangement of other components and improves the stability of signal transmission of the electronic device 100.
  • the biometric chip 30 when the biometric chip 30 is disposed on the front side of the electronic device 100 and is located at the same end of the electronic device 100 as the touch button 20, the wire 50 connecting the biometric chip 30 and the touch button 20 is further shortened, and can be directly formed at The cover 10 is further protected from space and reduces interference with other signals.
  • the electronic device 100 may further add elements not shown in the drawings or reduce some of the elements or components shown in the drawings, such as adding a motherboard for sensing according to the biometric chip 30.
  • the measured biometric information corresponds to the control electronics 100 performing the corresponding function.
  • the present invention is not limited to the addition of the motherboards listed herein, and the electronic device 100 of the present invention may select or increase or decrease components or components according to actual needs.
  • FIG. 6 is a schematic diagram showing a partial assembly structure of still another embodiment of the mobile phone of the present invention.
  • the biometric identification chip 30 is, for example, a packaged chip, which may be a chip including a single die, or a chip including a plurality of dies.
  • the biometric chip 30 is adhered to the second surface 12 of the protective cover 10, for example, by an adhesive layer, and is located in a non-transparent area with the touch button 20.
  • the biometric chip 30 is connected to the touch button 20 via a connector 50a.
  • the connecting member 50a is a flexible circuit board.
  • the connector 50a is not limited to the flexible circuit board 50a, and may be other suitable components.
  • the touch button 20 can be disposed on the protective cover 10 or on the connecting member 50a.
  • the connector 50a is attached to the protective cover 10 corresponding to the position at which the touch button 20 is disposed.
  • the biosensor chip 30 is further connected to the main board 75 (see FIG. 1) through the connector 50a for data communication with the main board 75.
  • the main board 75 correspondingly controls whether the electronic device 100 performs a corresponding function according to the information sensed by the biometric identification chip 30.
  • the biometric chip 30 can also be disposed on the second surface 12 by other suitable means such as embossing. Still alternatively, the biometric chip 30 is disposed adjacent to the protective cover 30, and there is no intermediate connection medium between the protective cover 30 and the protective cover 30. In addition, the biometric chip 30 can also be assembled with a physical button, and the protective cover 10 is correspondingly provided with a through hole for receiving the biometric chip and the physical button.
  • the biometric chip 30 can also be formed at other suitable locations of the electronic device 100, and is not limited to the front side of the electronic device 100.
  • the biometric chip 30 and the touch button 20 are formed at the same end of the electronic device 100, and the biometric chip 30 is disposed at the front of the electronic device 100. Further, for the electronic device 100 having the in-cell touch display device, the biometric chip 30 and the touch button 20 are formed between the in-cell touch display device and the protective cover 10.
  • the biometric chip 30 may be formed on the side of the electronic device 100 for the electronic device 100 having the in-cell touch display device, and is not limited to being disposed on the front surface of the electronic device 100.
  • FIG. 7 is a schematic structural diagram of another embodiment of a mobile phone according to the present invention.
  • the circuit for driving the touch button 20 is further integrated into a driver chip 35, which is not integrated in the biometric chip 30 as shown in FIG.
  • the driving chip 35 is disposed on the flexible circuit board 50a and connected to the biometric chip 30.
  • the biometric identification chip 30 outputs a touch driving signal to the touch button 20, and receives the touch button from the biometric chip 30. 20 output touch sensing signals.
  • the biometric chip 30 is, for example, a die formed on the protective cover 10 by a flip chip process.
  • the touch button 20 is formed, for example, on the second surface 12 of the protective cover 10.
  • the biometric chip 30 is connected to the touch button 20 via a wire 50.
  • the wire 50 is formed in the The two surfaces 12 are located between the touch button 20 and the biometric chip 30.
  • the touch button 20 can also be formed on other media (such as a flexible circuit board) and attached to the protective cover 10.

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Abstract

本发明公开了一种生物识别芯片和电子设备。所述生物识别芯片设置在一具有触摸按键的电子设备中，所述生物识别芯片用于感测用户输入的生物信息。所述生物识别芯片用于与所述触摸按键连接，提供触摸驱动信号给所述触摸按键，驱动所述触摸按键执行触摸感测。所述电子设备包括所述生物识别芯片。

Description

生物识别芯片和电子设备 技术领域
本发明涉及生物信息感测技术领域，尤其涉及一种生物识别芯片和电子设备。
背景技术
目前，生物传感器件已逐渐成为电子设备(如，手机等)的标配。然，生物传感器件目前主要用于感测用户输入的生物信息，电子设备的主控电路根据生物传感器件所感测到的生物信息对应控制电子设备是否执行预设的功能。
随着生物传感器件的集成度的逐渐提高，扩展生物传感器件的功能成为趋势。
发明内容
为解决上述技术问题，本发明提供一种能驱动电子设备的触摸按键执行触摸感测功能的生物识别芯片以及电子设备。
本发明提供一种生物识别芯片，所述生物识别芯片设置在一具有触摸按键的电子设备中，所述生物识别芯片用于感测用户输入的生物信息，所述生物识别芯片用于与所述触摸按键连接，提供触摸驱动信号给所述触摸按键，驱动所述触摸按键执行触摸感测。
在某些实施方式中，所述生物识别芯片进一步接收来自触摸按键输出的触摸感测信号，根据触摸感测信号以确定触摸按键被触摸与否来对应控制电子设备是否执行相应的功能。
在某些实施方式中，所述生物识别芯片为指纹感测芯片。
由于本发明的生物识别芯片能够进一步驱动触摸按键执行触摸感测功能，因此，所述生物识别芯片的功能得到进一步扩展，提高生物识别芯片的利用率。
本发明还提供一种电子设备，包括：
保护盖板，包括第一表面和与第一表面相对的第二表面；
内嵌式触摸显示装置，设置在保护盖板的第二表面一侧，用于执行触摸感测和图像显示；
触摸按键，设置在保护盖板的第二表面一侧；和
生物识别芯片，与所述触摸按键连接，用于感测用户输入的生物信息，还用于驱动所述触摸按键执行触摸感测。
在某些实施方式中，所述生物识别芯片和所述触摸按键设置在电子设备的同一端。
在某些实施方式中，所述生物识别芯片为一裸片，通过覆晶工艺绑定在第二表面；或，所述生物识别芯片为一封装后的芯片，通过粘着层粘附在第二表面。
在某些实施方式中，当生物识别芯片通过覆晶工艺绑定在第二表面时，所述第二表面上进一步设置有用于连接生物识别芯片与触摸按键的导线；当生物识别芯片粘附在第二表面时，所述生物识别芯片通过软性电路板连接所述触摸按键。
在某些实施方式中，所述触摸按键包括感测电极，所述感测电极形成在第二表面上，或，形成在一软性电路板上。
在某些实施方式中，所述电子设备进一步包括遮光层，设置在保护盖板的第二表面，以限定出保护盖板上的透光区域与非透光区域；所述触摸按键和所述生物识别芯片设置在非透光区域。
在某些实施方式中，所述生物识别芯片包括指纹感测芯片、血氧识别芯片、心跳识别芯片中的一种或多种。
由于本发明的电子设备的生物识别芯片除用于感测用户输入的生物信息，还用于驱动触摸按键执行触摸感测，从而所述生物识别芯片的功能进一步扩展，提高生物识别芯片的利用率。
尽管公开了多个实施例，包括其变化，但是通过示出并描述了本发明公开的说明性实施例的下列详细描述，本发明公开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，本发明公开能够在各种显而易见的方面修改，所有修改都不会偏离本发明的精神和范围。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。
附图说明
通过参照附图详细描述其示例实施方式，本发明的特征及优点将变得更加明显。
图1是本发明手机一实施例的部分分解结构示意图。
图1a是图1所示手机的部分结构截面示意简图。
图1b是图1所示手机的部分组装结构示意简图。
图2是图1b所示的触摸按键一变更实施例的结构示意简图。
图3是图1b所示的生物识别芯片的电路框图。
图4是本发明手机一变更实施例的部分结构示意简图。
图5是本发明手机又一变更实施例的部分结构示意简图。
图6是本发明手机又一变更实施例的部分结构示意简图。
图7是本发明手机又一变更实施例的部分结构示意简图。
具体实施方式
现在将参考附图更全面地描述示例实施方式。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发明将全面和完整，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应实际数量。
在本发明的描述中，需要理解的是：“多个”定义为两个和两个以上，除非另有明确具体的限定，对应地，该定义适用于“多种”、“多条”、“多颗”等术语。“连接”可为电连接、机械连接、耦接、直接连接以及间接连接等多种实施方式，除非本发明下述特别说明，否则并不做特别限制。
在本发明中，术语“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外” 等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，所描述的特征、结构可以以任何合适的方式结合在一个或更多实施方式中。在下面的描述中，提供许多具体细节从而给出对本发明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，也可以实践本发明的技术方案。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发明。
请一并参阅图1-1b，图1是本发明电子设备一实施例的部分分解结构示意图。图1a是图1所示手机的部分结构截面示意简图。图1b是图1所示手机的部分组装结构示意简图。本发明提供一种电子设备，其可以为可携式电子产品、家居式电子产品或车载电子产品。然而，所述电子设备不局限此处所列的电子产品，还可以是其它合适的电子产品。所述可携式电子产品例如为移动终端，所述移动终端例如为所述手机、平板电脑、笔记本电脑、穿戴式产品等合适的移动终端。所述家居式电子产品例如为智能门锁、电视、冰箱、台式电脑等合适的家居式电子产品。所述车载电子产品例如为车载显示器、行车记录仪、导航仪、车载冰箱等合适的车载电子产品。为方便理解和说明本发明的技术方案，所述电子设备100以常用的所述手机为例进行阐述。所述电子设备100包括保护盖板10、触摸按键20以及生物识别芯片30。
保护盖板10包括第一表面11和与第一表面11相对的第二表面12。所述第一表面11为电子设备100的外表面，即为用户可直接触碰的表面。所述第二表面12位于所述电子设备100的内部。所述保护盖板10例如为透明的玻璃或蓝宝石盖板，然而，所述保护盖板10的材料也可为其它合适的材料，并不限制为玻璃或蓝宝石盖板，例如也可为薄膜盖板。可变更地，对于不同类型的电子设备100，所述保护盖板10也可为半透明或非透明的盖板。
所述触摸按键20设置在保护盖板10的第二表面12上。所述生物识 别芯片30与所述触摸按键20相连接，用于感测用户从第一表面11输入的生物信息，还用于驱动所述触摸按键20执行触摸感测功能。当所述生物识别芯片30检测到输入的生物信息与所述电子设备100内预存的生物信息模版匹配时，则所述电子设备100对应执行预设的功能或应用程序，例如：解屏功能、支付功能、启动APP(Applicatio，应用程序)、开启文件夹等等。
由于本发明的生物识别芯片30进一步用于驱动触摸按键20执行触摸感测，因此，所述生物识别芯片30的功能得到进一步扩展，提高生物识别芯片30的利用率。
所述生物识别芯片30例如为指纹识别芯片、血氧识别芯片、心跳识别芯片、压力识别芯片、湿度识别芯片、温度识别芯片、虹膜识别芯片中的一种或多种。对应地，所述生物信息例如为指纹信息、血氧信息、心跳信息、压力信息、湿度信息、温度信息、虹膜信息中的一种或多种。然而，本发明不局限此处所列举的生物识别芯片30和生物信息的种类，还可以是其它合适的生物识别芯片30和生物信息的种类。
在本实施方式中，所述生物识别芯片30设置在保护盖板10的第二表面12一侧。然，所述生物识别芯片30也可设置在电子设备100的侧面等其它合适的位置，并不局限在电子设备100的正面。另外，在本实施方式中，所述生物识别芯片30设置在保护盖板10的下方，然，可变更地，所述保护盖板10上也可设置通孔，所述生物识别芯片30设置在所述通孔中。进一步地，所述生物识别芯片30可与实体按键结合在一起，并设置在所述通孔中。
在本实施方式中，所述生物识别芯片30通过覆晶(Flip-Chip)技术工艺设置在保护盖板10的第二表面12，并与所述触摸按键20相连接。较佳地，所述生物识别芯片30为裸片。
当保护盖板10为玻璃盖板或蓝宝石盖板时，所述生物识别芯片30通过COG(Chip On Glass,玻璃覆晶)工艺绑定(bonding)在保护盖板10的第二表面12上。然而，可变更地，所述保护盖板10例如为薄膜盖板时，相应地，所述生物识别芯片30可通过COF(Chip On Film,薄膜覆晶)工艺绑定在保护盖板10的第二表面12上。
所述电子设备100进一步包括遮光层40，所述遮光层40设置在保护盖板10的第二表面12，以限定出保护盖板10上的透光区域101与非透光区域102。所述触摸按键20可设置在保护盖板10的第二表面12上的非透光区域102，也可以设于第二表面12的透光区域101。同样地，所述生物识别芯片30可设置在保护盖板10的第二表面12上的非透光区域102，也可以设于第二表面12的透光区域101。所述触摸按键20和所述生物识别芯片30可位于所述保护盖板10的透光区域101的同一侧，也可以位于所述保护盖板10的透光区域101的任意两侧。
在本实施方式中，所述生物识别芯片30与所述触摸按键20邻近设置，且一并设于所述保护盖板10的一端，即位于电子设备100的同一端。
进一步地，如图1和1b所示，所述非透光区域102上设置触摸标志21。所述触摸标志21与所述触摸按键20对应设置，用于标志所述触摸按键20的位置或所述触摸按键20的功能。
所述保护盖板10的第二表面12的非透光区域101上进一步形成有导线50。所述导线50用于电连接所述生物识别芯片30与所述触摸按键20。所述导线50位于所述触摸按键20与所述生物识别芯片30之间。
所述导线50为多条。所述导线50例如由导电银浆或钼锂钼形成。具体地，当遮光层40形成在所述保护盖板10的第二表面12上之后，通过涂布或刷银浆或钼锂钼于所述遮光层40上形成导线层，然后，在对导线层进行例如蚀刻等操作形成所述导线50。可变更地，在其它实施例中，所述导线50也可直接形成于所述遮光层40上，所述导线50也可由金属或氧化铟锡等导电材料制成。
如图1a所示，所述导线50与所述生物识别芯片30之间形成有异方性导电层60。所述生物识别芯片30通过所述异方性导电层60和所述导线50与所述触摸按键20电连接。所述异方性导电层60可以与所述触摸按键20、所述导线50、所述生物识别芯片30一同设于所述保护盖板10上的非透光区域102，当然，也可以将所述异方性导电层60、所述触摸按键20、所述导线50、所述生物识别芯片30中的一部分设于所述保护盖板10上的非透光区域102，另一部分设于所述保护盖板10上的透光区域101。所述异方性导电层60例如为异方性导电膜(Anisotropic  Conductive Film,ACF)14或异方性导电胶(Anisotropic conductive adhesive/paste,ACA/ACP)。然而，所述异方性导电层60也可为其它合适的能够实现各向异性导电功能的物质，并不局限于本申请所述的ACF、ACA、ACP。
在本实施方式中，所述生物识别芯片30通过覆晶工艺绑定在所述保护盖板10上。然，可变更地，所述生物识别芯片30也可通过其它合适的工艺或方法形成在保护盖板10上，并通过异方性导电层60、导线50与触摸按键20连接。
在本实施方式中，所述触摸按键20包括感测电极22与驱动电极23，所述感测电极22与所述驱动电极23之间形成互电容，基于互电容感测原理感测是否有触摸操作。所述驱动电极23包围所述感测电极22，并与所述感测电极22形成在保护盖板10的第二表面12上。然，可变更地，所述驱动电极23与所述感测电极22的位置也可互换。另外，所述感测电极22与所述驱动电极23也可以形成在其它合适的元件上，例如形成在软性电路板上，再通过该软性电路板与所述生物识别芯片30电连接，所述软性电路板与保护盖板10贴合。
当所述感测电极22和所述驱动电极23形成在保护盖板10的第二表面12上时，所述感测电极22和所述驱动电极23可以由导电银浆或钼锂钼制成。当然，所述感测电极22和所述驱动电极23也可以由其它合适的材料制成。
请参阅图2，图2是图1b所示的触摸按键20一变更实施例的结构示意简图。所述触摸按键20包括感测电极24，所述感测电极24基于自电容式感测原理检测是否有触摸操作。所述感测电极24例如为螺旋式电极。
请一并参阅图1b与图3，图3是图1b所示的生物识别芯片30的电路框图。所述生物识别芯片30包括感测电极阵列31和驱动电路32。所述驱动电路32与所述感测电极阵列31和所述触摸按键20分别连接。所述驱动电路32驱动所述感测电极阵列31执行生物信息感测，还驱动所述触摸按键20执行触摸感测。
所述驱动电路32提供触摸驱动信号给驱动电极23，并接收来自感测电极22的触摸感测信号，以根据所述触摸感测信号获知触摸按键20是 否有被触摸。
所述驱动电路32同时或分时驱动所述感测电极阵列31和所述触摸按键20工作。
请继续参阅图1与图2，所述电子设备100进一步包括后壳70、主板75、和显示装置80。所述显示装置80用于画面显示。所述主板75与所述显示装置80、生物识别芯片30连接，用于与所述显示装置80、生物识别芯片30进行通信。所述保护盖板10与所述后壳70相配合形成收容空间，以收容所述生物识别芯片30、触摸按键20、所述显示装置80、主板75于所述收容空间中。所述后壳70包括侧面72。
请参阅图4，图4是本发明手机一变更实施例的部分结构示意简图。所述生物识别芯片30设置在侧面72。较佳地，所述生物识别芯片30与所述触摸按键20邻近设置。例如图4所示，所述生物识别芯片30设于所述后壳70的左侧面72的下端以方便用户的手指中的小指接触，而所述触摸按键20设于所述第二表面12的下端且邻近所述生物识别芯片30。本发明的所述生物识别芯片30与所述触摸按键20不局限上述的设置方式，还可以是其它的合适的设置方式。
请一并参阅图1、图2、和图5，图5是本发明手机另一变更实施例的部分结构示意简图。所述电子设备100还进一步包括触摸传感层90。所述触摸传感层90设置在保护盖板10的第二表面12，用于感测保护盖板10上未被遮光层40所遮挡的区域上的用户触摸操作。
所述触摸传感层90可层叠于所述显示装置80与所述保护盖板10之间，还可以嵌于所述显示装置80中以形成内嵌式触摸显示装置。所述内嵌式触摸显示装置可为盒子内式(In-Cell)触摸显示装置或盒子上式(On-Cell)触摸显示装置。所述显示装置80例如为液晶显示装置、有机电致发光显示装置等等合适类型的显示装置。所述触摸传感层90可为额外的电极层，也可为复用显示装置80本身的电极结构。所述触摸传感层90可为单层结构，也可为双层结构。进一步地，所述触摸传感层90的感测原理可以为互电容式感测原理，也可为自电容式感测原理。
当显示装置80为液晶显示装置时，所述触摸传感层90例如设置在偏光片与彩色滤光板之间，形成On-Cell触摸显示装置。可变更地，所述 触摸传感层90例如也可设置在彩色滤光片基板与薄膜阵列基板之间形成In-Cell触摸显示装置，等等。
随着触摸传感层90逐渐集成到显示装置80内，形成内嵌式触摸显示装置，用于驱动触摸传感层90的触摸驱动芯片逐渐与用于驱动显示装置80的显示驱动芯片集成在同一触摸显示驱动芯片中。通常，电子设备100的下端(即，靠近话筒一端)内设置天线，为了利于散热，触摸显示驱动芯片一般设置在电子设备100的上端(即，靠近听筒一端)，即，触摸显示驱动芯片与触摸按键20位于手机的两端。若采用触摸显示驱动芯片进一步驱动触摸按键20，则在触摸显示驱动芯片与触摸按键20之间需要布设较长的导线，由此造成连接导线占用手机较多的内部空间，另外，如此对手机内部其它元件之间的安排布置以及信号传输存在一定影响。
针对具有内嵌式触摸显示装置的电子设备100，本发明提出利用生物识别芯片30进一步驱动触摸按键20执行触摸操作，从而可使得所述触摸按键20的驱动路径简短，节约材料成本，减少电子设备100内部空间的占用，方便其它元件安排布置，提高电子设备100信号传输的稳定性。
尤其地，当生物识别芯片30设置在电子设备100的正面，并与触摸按键20位于电子设备100的同一端时，连接生物识别芯片30与触摸按键20的导线50进一步缩短，并且可直接形成在保护盖板10上，进一步节省空间，并减少对其它信号的干扰。
进一步需要说明的是，所述电子设备100可进一步增加图示中未示出的元件或减少图示中示出的某些元件或部件，例如增加主板以用于根据所述生物识别芯片30所感测的生物信息对应控制电子设备100执行相应的功能。然而，本发明不局限增加此处所列举的主板，本发明的电子设备100可根据实际需要对应选择增加或减少元件或部件即可。
请参阅图6，图6为本发明手机的又一实施例的部分组装结构示意简图。在本实施方式中，所述生物识别芯片30例如为经过封装后的芯片，其可为包括单一裸片的芯片，也可为包括多颗裸片的芯片。所述生物识别芯片30例如通过粘着层粘附在保护盖板10的第二表面12上，并与触摸按键20均位于非透光区域。所述生物识别芯片30通过连接件50a与所述触摸按键20连接。较佳地，所述连接件50a为软性电路板。然，所 述连接件50a并不局限于所述软性电路板50a，也可为其它合适的元件。
所述触摸按键20可设置在保护盖板10上，也可设置在连接件50a上。当触摸按键20设置在连接件50a上时，所述连接件50a对应设置触摸按键20的位置贴附在保护盖板10上。
所述生物传感芯片30进一步通过所述连接件50a与所述主板75(见图1)连接，与所述主板75进行数据通信。所述主板75根据所述生物识别芯片30所述感测到的信息对应控制电子设备100是否执行相应的功能。
可变更地，所述生物识别芯片30也可通过压印等其它合适的方式设置在第二表面12上。又或者，所述生物识别芯片30靠近保护盖板30设置，与保护盖板30之间并不存在中间连接介质。另，所述生物识别芯片30也可与实体按键装配在一起，保护盖板10上对应设置有收容生物识别芯片与实体按键的通孔。所述生物识别芯片30也可形成在所述电子设备100的其它合适位置，并不局限在所述电子设备100的正面。
较佳地，所述生物识别芯片30与所述触摸按键20形成在电子设备100的同一端，所述生物识别芯片30设置在电子设备100的正面。进一步地，对于具有内嵌式触摸显示装置的电子设备100，所述生物识别芯片30与触摸按键20形成在内嵌式触摸显示装置与保护盖板10之间。
然，可变更地，对于具有内嵌式触摸显示装置的电子设备100，所述生物识别芯片30也可形成在电子设备100的侧面，并不局限于设置在电子设备100的正面。
请参阅图7，图7为本发明手机的又一实施例的结构示意简图。在本实施方式中，用于驱动触摸按键20的电路另集成为一驱动芯片35，并非如图3所示集成在生物识别芯片30中。所述驱动芯片35设置在软性电路板50a上，并与生物识别芯片30连接，通过所述生物识别芯片30输出触摸驱动信号给触摸按键20，并通过所述生物识别芯片30接收来自触摸按键20输出的触摸感测信号。
所述生物识别芯片30例如为裸片，通过覆晶工艺形成在保护盖板10上。所述触摸按键20例如形成在保护盖板10的第二表面12上。所述生物识别芯片30通过导线50与触摸按键20连接。所述导线50形成在第 二表面12上，并位于所述触摸按键20与所述生物识别芯片30之间。然，可变更地，所述触摸按键20也可形成在其它介质(如软性电路板)上，并贴合在所述保护盖板10上。
尽管是参考各实施例来描述本发明公开，但是可以理解，这些实施例是说明性的，并且本发明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，根据本发明公开的各实施例是在特定实施例的上下文中描述的。功能可以在本发明公开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发明公开的范围内。

Claims (10)

  1. 一种生物识别芯片，所述生物识别芯片设置在一具有触摸按键的电子设备中，所述生物识别芯片用于感测用户输入的生物信息，其特征在于：所述生物识别芯片用于与所述触摸按键连接，提供触摸驱动信号给所述触摸按键，驱动所述触摸按键执行触摸感测。
  2. 如权利要求1所述的生物识别芯片，其特征在于：所述生物识别芯片进一步接收来自触摸按键输出的触摸感测信号，根据触摸感测信号以确定触摸按键被触摸与否来对应控制电子设备是否执行相应的功能。
  3. 如权利要求1所述的生物识别芯片，其特征在于：所述生物识别芯片为指纹感测芯片。
  4. 一种电子设备，包括：
    保护盖板，包括第一表面和与第一表面相对的第二表面；
    内嵌式触摸显示装置，设置在保护盖板的第二表面一侧，用于执行触摸感测和图像显示；
    触摸按键，设置在保护盖板的第二表面一侧；和
    生物识别芯片，与所述触摸按键连接，用于感测用户输入的生物信息，还用于驱动所述触摸按键执行触摸感测。
  5. 如权利要求4所述的电子设备，其特征在于：所述生物识别芯片和所述触摸按键设置在电子设备的同一端。
  6. 如权利要求5所述的电子设备，其特征在于：所述生物识别芯片为一裸片，通过覆晶工艺绑定在第二表面；或，所述生物识别芯片为一封装后的芯片，通过粘着层粘附在第二表面。
  7. 如权利要求6所述的电子设备，其特征在于：当生物识别芯片通过覆晶工艺绑定在第二表面时，所述第二表面上进一步设置有用于连接生物识别芯片与触摸按键的导线；当生物识别芯片粘附在第二表面时，所述生物识别芯片通过软性电路板连接所述触摸按键。
  8. 如权利要求4所述的电子设备，其特征在于：所述触摸按键包括感测电极，所述感测电极形成在第二表面上，或，形成在一软性电路板上。
  9. 如权利要求4或5所述的电子设备，其特征在于：所述电子设备进一步包括遮光层，设置在保护盖板的第二表面，以限定出保护盖板上的透光 区域与非透光区域；所述触摸按键和所述生物识别芯片设置在非透光区域。
  10. 如权利要求4所述的电子设备，其特征在于：所述生物识别芯片包括指纹感测芯片、血氧识别芯片、心跳识别芯片中的一种或多种。
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