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CN111970812B - Fingerprint key module and electronic equipment - Google Patents

Fingerprint key module and electronic equipment Download PDF

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Publication number
CN111970812B
CN111970812B CN202010794723.9A CN202010794723A CN111970812B CN 111970812 B CN111970812 B CN 111970812B CN 202010794723 A CN202010794723 A CN 202010794723A CN 111970812 B CN111970812 B CN 111970812B
Authority
CN
China
Prior art keywords
fingerprint
circuit board
key module
bending
bump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010794723.9A
Other languages
Chinese (zh)
Other versions
CN111970812A (en
Inventor
叶宇峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wingtech Communication Co Ltd
Original Assignee
Wingtech Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wingtech Communication Co Ltd filed Critical Wingtech Communication Co Ltd
Priority to CN202010794723.9A priority Critical patent/CN111970812B/en
Publication of CN111970812A publication Critical patent/CN111970812A/en
Application granted granted Critical
Publication of CN111970812B publication Critical patent/CN111970812B/en
Active legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0277Bendability or stretchability details
    • H05K1/028Bending or folding regions of flexible printed circuits
    • H05K1/0281Reinforcement details thereof
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • G06V40/13Sensors therefor
    • G06V40/1306Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/12Movable parts; Contacts mounted thereon
    • H01H13/14Operating parts, e.g. push-button
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H9/0271Bases, casings, or covers structurally combining a switch and an electronic component
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/18Printed circuits structurally associated with non-printed electric components
    • H05K1/189Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Push-Button Switches (AREA)

Abstract

The invention provides a fingerprint key module, which comprises a fingerprint chip, a fingerprint circuit board and a reinforcing piece; the fingerprint circuit board comprises a fingerprint circuit board body and a bending part formed by bending one end of the fingerprint circuit board body, and the reinforcing piece comprises a reinforcing piece body and a first lug arranged on one side of the reinforcing piece body; the fingerprint circuit board body is fixed on the other side opposite to the sensing surface of the fingerprint chip, the reinforcement piece body is fixed on the other side opposite to the fingerprint chip of the fingerprint circuit board body, and the bending part is adhered to the surface of the first bump after bending. The invention further provides electronic equipment. According to the fingerprint key module and the electronic equipment, the middle frame does not need to be hollowed, the structural strength of the middle frame is improved, the middle frame does not have a back-off structure, the die does not need to be manufactured to be inclined, the die structure is simple, and the manufacturing cost is low.

Description

Fingerprint key module and electronic equipment
[ field of technology ]
The present invention relates to the field of key technologies, and in particular, to a fingerprint key module and an electronic device.
[ background Art ]
Along with the development of technology, the design of electronic devices is simplified, and the integrated structure of fingerprint modules and power keys is more and more commonly used. At present, in the structure of fingerprint module and power key integral type, the circuit board of fingerprint module is qualified for the next round of competitions from the side, need keep one section to stretch district to advance the walking line. In order to avoid the circuit board in the straight extension area, the shell of the middle frame needs to be hollowed out, so that the space requirement is large, and the structural strength of the whole machine can be poor. In addition, the hollow position of the middle frame is of an inverted buckle structure, the die is required to be manufactured into an inclined top, and the die cost is high. During assembly, the side of the straight extension area of the wire outlet end is required to be plugged into the middle frame, so that the assembly difficulty is increased, and the assembly efficiency is affected. When in after-sales maintenance, the circuit board of the side outgoing line straight extension area is easily torn down, so that material loss is caused, and the cost is increased.
In view of the foregoing, it is necessary to provide a novel fingerprint key module and an electronic device for overcoming the above-mentioned drawbacks.
[ invention ]
The invention aims to provide a fingerprint key module and electronic equipment, wherein the middle frame does not need to be hollowed out, the structural strength of the middle frame is improved, the middle frame does not have a back-off structure, a die does not need to be manufactured into an inclined top, the die is simple in structure, low in manufacturing cost and high in assembly efficiency, a fingerprint circuit board is not easy to tear during after-sale maintenance, and the maintenance cost is reduced.
In order to achieve the above object, in a first aspect, the present invention provides a fingerprint key module, including a fingerprint chip, a fingerprint circuit board, and a reinforcement member; the fingerprint circuit board comprises a fingerprint circuit board body and a bending part formed by bending one end of the fingerprint circuit board body, and the reinforcing piece comprises a reinforcing piece body and a first lug arranged on one side of the reinforcing piece body; the fingerprint circuit board body is fixed on the other side opposite to the sensing surface of the fingerprint chip, the reinforcement piece body is fixed on the other side opposite to the fingerprint chip of the fingerprint circuit board body, and the bending part is adhered to the surface of the first bump after bending.
In a preferred embodiment, the bending part includes a first bending part formed by bending the fingerprint circuit board body and a second bending part formed by bending the first bending part, the first bump includes a top surface, a bottom surface opposite to the top surface, and a plurality of side surfaces connecting the top surface and the bottom surface, the first bending part is adhered to one of the side surfaces, and the second bending part is adhered to the bottom surface.
In a preferred embodiment, a second bump is further disposed on a side of the reinforcement body away from the first bump, and the first bump and the second bump are both provided with positioning holes penetrating through the top surface and the bottom surface.
In a preferred embodiment, a buffer member is fixed to one side of the first and second protrusions away from the reinforcing member body.
In a preferred embodiment, a key post is further disposed on one side of the reinforcement body, and a key conductive base is disposed on one end of the key post away from the reinforcement body.
In a preferred embodiment, the key conductive base is fixed on the key post by dispensing or back-gluing.
In a preferred embodiment, the fingerprint circuit board body and the fingerprint chip are fixed by dispensing.
In a preferred embodiment, the reinforcement body and the fingerprint circuit board body are fixed by cold welding.
In a second aspect, the invention further provides an electronic device, which comprises a middle frame, a bracket and the fingerprint key module set described in any one of the above, wherein the middle frame is provided with a containing cavity, and the fingerprint key module set is contained in the containing cavity; the middle frame is also provided with a groove communicated with the accommodating cavity, the fingerprint key module further comprises an extension wiring part connected with the bending part, one end of the extension wiring part is accommodated in the groove, the other end of the extension wiring part is used for being electrically connected with a main board of the electronic equipment, and the support is used for fixing the fingerprint key module on the middle frame.
In a preferred embodiment, one end of the extended trace portion is provided with a connector electrically connected to a motherboard of the electronic device.
Compared with the prior art, the fingerprint key module and the electronic equipment provided by the invention have the advantages that the first convex block is arranged on one side of the reinforcing piece body, the bending part of the fingerprint circuit board is adhered to the surface of the first convex block after being bent, the bending part does not need to occupy the space of the middle frame additionally, the middle frame does not need to be hollowed, and the structural strength of the middle frame is improved; the middle frame has no back-off structure, the die does not need to manufacture an inclined top, the die has simple structure and low manufacturing cost; the fingerprint key module is high in assembly efficiency, and the fingerprint circuit board is not easy to tear during after-sales maintenance, so that maintenance cost is reduced.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a fingerprint key module provided by the present invention;
FIG. 2 is a schematic diagram of a fingerprint key module according to the present invention;
FIG. 3 is a plan view of a fingerprint key module according to the present invention;
FIG. 4 is a plan view of an electronic device according to the present invention;
fig. 5 is another plan view of the electronic device according to the present invention.
[ detailed description ] of the invention
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
Referring to fig. 1, 2 and 3, the present invention provides a fingerprint key module 100, which includes a fingerprint chip 10, a fingerprint circuit board 20 and a reinforcement member 30.
The fingerprint circuit board 20 comprises a fingerprint circuit board body 21 and a bending part 22 formed by bending one end of the fingerprint circuit board body 21, and the reinforcement member 30 comprises a reinforcement member body 31 and a first bump 32 arranged on one side of the reinforcement member body 31. The fingerprint circuit board body 21 is fixed on the other side opposite to the sensing surface 11 of the fingerprint chip 10, the reinforcement member body 31 is fixed on the other side opposite to the fingerprint chip 10 of the fingerprint circuit board body 21, and the bending part 22 is adhered to the surface of the first bump 32 after bending.
According to the fingerprint key module 100 provided by the invention, the first protruding block 32 is arranged on one side of the reinforcing member body 31, the bending part 22 of the fingerprint circuit board 20 is adhered to the surface of the first protruding block 32 after being bent, the bending part 22 does not need to occupy the space of the middle frame additionally, the middle frame does not need to be hollowed out, the structural strength of the middle frame is improved, the middle frame does not have a back-off structure, the mold does not need to be manufactured into an inclined roof, the mold is simple in structure and low in manufacturing cost, the assembly efficiency of the fingerprint key module 100 is high, the fingerprint circuit board 20 is not easy to tear during after-sales maintenance, and the maintenance cost is reduced.
It can be understood that the fingerprint chip 10, i.e. the chip with embedded fingerprint identification technology, can realize the functions of fingerprint image acquisition, feature extraction and feature comparison. The fingerprint circuit board 20 is an FPC (Flexible Printed Circuit Board ), and the fingerprint circuit board 20 is electrically connected with the fingerprint chip 10 and a motherboard of the electronic device, so as to realize the function of the fingerprint chip 10.
Further, the fingerprint circuit board body 21 and the fingerprint chip 10 are fixed by dispensing. The bending part 22 comprises a first bending part 221 formed by bending the fingerprint circuit board body 21 and a second bending part 222 formed by bending the first bending part 221, the first bump 32 comprises a top surface 321, a bottom surface 322 opposite to the top surface 321 and a plurality of side surfaces 323 connecting the top surface 321 and the bottom surface 322, the first bending part 221 is adhered to one of the side surfaces 323, and the second bending part 222 is adhered to the bottom surface 322. Specifically, the first bending portion 221 is formed by bending one end of the fingerprint circuit board body 21 in a direction perpendicular to the length direction of the fingerprint circuit board body 21, the second bending portion 222 is formed by bending one end of the first bending portion 221 in a direction perpendicular to the length direction of the first bending portion 221, and the first bending portion 221 and the second bending portion 222 are both used for outgoing lines of the fingerprint circuit board 20. In this embodiment, the first bending portion 221 is adhered to the side 323 through the back glue after bending, the second bending portion 222 is adhered to the bottom 322 through the back glue after bending, the first bending portion 221 and the second bending portion 222 do not need to occupy the space of the middle frame in addition, so that the structural strength of the middle frame is improved, the step of inserting the bending portion 22 into the middle frame from the side edge is avoided during assembly, the assembly efficiency is improved, the fingerprint circuit board 20 is prevented from being torn when the bending portion 22 is removed from the side edge during after-sale maintenance, and after-sale maintenance is facilitated. In this embodiment, the first bump 32 is perpendicular to the reinforcement body 31, and the first bending portion 221 is adhered to the side 323 through the back adhesive after being bent by 90 ° to facilitate CNC (Computer Numerical Control ) processing. It will be appreciated that the circuit board 20 is flexible, and the bending portion 22 is bent to adhere to the outer surface of the reinforcing member 30 for fixing. In other embodiments, when the first bump 32 of the reinforcement member 30 is not perpendicular to the reinforcement member body 31, the bending angle of the bending portion 22 will be changed.
Further, the reinforcing member 30 may be made of stainless steel or aluminum alloy, the reinforcing member 30 has a supporting and reinforcing function, and the reinforcing member body 31 and the fingerprint circuit board body 21 are fixed by cold welding. In this embodiment, the second bump 33 is further disposed on one side of the reinforcement member body 31 away from the first bump 32, and the first bump 32 and the second bump 33 are both provided with a positioning hole 331 penetrating through the top surface 321 and the bottom surface 322, the second bump 33 can further improve the overall structural strength of the fingerprint key module 100, and the positioning hole 331 is beneficial to positioning when the fingerprint key module 100 is assembled to a middle frame, so as to improve the assembly efficiency.
Further, a buffer 34 is fixed to one side 323 of the first bump 32 and the second bump 33 away from the stiffener body 31. Specifically, the buffer member 34 is adhered to the first bump 32 and the second bump 33 through the back adhesive, the buffer member 34 can buffer the pressure from the reinforcement member 30, the fingerprint circuit board 20 and the fingerprint chip 10, and the buffer member 34 can be made of foam or a silica gel pad.
In this embodiment, a key column 35 is further disposed on one side of the reinforcement member body 31, a key conductive base 36 is disposed on one end of the key column 35 away from the reinforcement member body 31, the key column 35 is located between the first bump 32 and the second bump 33, and the key column 35 and the key conductive base 36 can transmit the pressure of the fingerprint chip 10, so as to realize a key function. Specifically, the key conductive base 36 is fixed on the key post 35 by dispensing or back-gluing, and the key conductive base 36 is made of silica gel or TPU (Thermoplastic polyurethanes, thermoplastic polyurethane elastomer rubber) and can play a role in protecting key spring pieces (commonly called dome pieces) of the key circuit board.
Referring to fig. 4 and fig. 5 together, the present invention further provides an electronic device 200, including a middle frame 201, a bracket 202, and the fingerprint key module 100 according to any one of the above embodiments, where the middle frame 201 is provided with a receiving cavity 203, and the fingerprint key module 100 is received in the receiving cavity 203; the middle frame 201 is further provided with a groove 204 communicated with the accommodating cavity 203, the fingerprint key module 100 further comprises an extension wiring portion 23 connected with the bending portion 22, one end of the extension wiring portion 23 is accommodated in the groove 204, the other end of the extension wiring portion 23 is electrically connected with a main board (not shown) of the electronic device 200, the bracket 202 is used for fixing the fingerprint key module 200 on the middle frame 201, specifically, the bracket 202 is used for fixing the fingerprint key module on the middle frame 201 through bolts, and a connector 231 (see fig. 1) electrically connected with the main board of the electronic device is arranged at one end of the extension wiring portion 23.
It can be appreciated that the electronic device 200 may be, but is not limited to, a mobile phone, a tablet computer, and a notebook computer, and all embodiments of the fingerprint key module 100 provided by the present invention are applicable to the electronic device 200 provided by the present invention, and can achieve the same or similar beneficial effects.
In summary, according to the fingerprint key module 100 and the electronic device 200 provided by the invention, the first bump 32 is disposed on one side of the reinforcement member body 31, the bending portion 22 of the fingerprint circuit board 20 is adhered to the surface of the first bump 32 after being bent, the bending portion 22 does not need to occupy the space of the middle frame, the middle frame does not need to be hollowed out, the structural strength of the middle frame is improved, the middle frame does not have a back-off structure, the mold does not need to manufacture an inclined top, the mold has a simple structure and low manufacturing cost, the assembly efficiency of the key module 100 is high, the fingerprint circuit board 20 is not easy to be torn during after-sale maintenance, and the maintenance cost is reduced.
The foregoing description is only of embodiments of the present invention, and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims (9)

1. The fingerprint key module is characterized by comprising a fingerprint chip, a fingerprint circuit board and a reinforcing piece; the fingerprint circuit board comprises a fingerprint circuit board body and a bending part formed by bending one end of the fingerprint circuit board body, and the reinforcing piece comprises a reinforcing piece body and a first lug arranged on one side of the reinforcing piece body; the fingerprint circuit board body is fixed on the other side opposite to the sensing surface of the fingerprint chip, the reinforcement piece body is fixed on the other side opposite to the fingerprint chip of the fingerprint circuit board body, and the bending part is adhered to the surface of the first bump after bending; the fingerprint circuit board comprises a fingerprint circuit board body and is characterized in that the bending part comprises a first bending part formed by bending the fingerprint circuit board body and a second bending part formed by bending the first bending part, the first lug comprises a top surface, a bottom surface opposite to the top surface and a plurality of side surfaces connected with the top surface and the bottom surface, the first bending part is adhered to one of the side surfaces, and the second bending part is adhered to the bottom surface.
2. The fingerprint key module of claim 1, wherein a second bump is further disposed on a side of the reinforcement body away from the first bump, and the first bump and the second bump are each provided with a positioning hole penetrating through the top surface and the bottom surface.
3. The fingerprint key module of claim 2, wherein a buffer is fixed to a side of the first bump and the second bump away from the stiffener body.
4. The fingerprint key module of claim 1, wherein a key post is further disposed on one side of the reinforcement body, and a key conductive base is disposed on an end of the key post away from the reinforcement body.
5. The fingerprint key module of claim 4, wherein the key conductive base is fixed on the key post by dispensing or back-gluing.
6. The fingerprint key module of claim 1, wherein the fingerprint circuit board body and the fingerprint chip are fixed by dispensing.
7. The fingerprint key module of claim 1, wherein the reinforcement member body and the fingerprint circuit board body are fixed by cold welding.
8. An electronic device, comprising a middle frame, a bracket and the fingerprint key module set as set forth in any one of 1-7, wherein the middle frame is provided with a containing cavity, and the fingerprint key module set is contained in the containing cavity; the middle frame is also provided with a groove communicated with the accommodating cavity, the fingerprint key module further comprises an extension wiring part connected with the bending part, one end of the extension wiring part is accommodated in the groove, the other end of the extension wiring part is used for being electrically connected with a main board of the electronic equipment, and the support is used for fixing the fingerprint key module on the middle frame.
9. The electronic device of claim 8, wherein one end of the extended trace portion is provided with a connector electrically connected to a motherboard of the electronic device.
CN202010794723.9A 2020-08-10 2020-08-10 Fingerprint key module and electronic equipment Active CN111970812B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010794723.9A CN111970812B (en) 2020-08-10 2020-08-10 Fingerprint key module and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010794723.9A CN111970812B (en) 2020-08-10 2020-08-10 Fingerprint key module and electronic equipment

Publications (2)

Publication Number Publication Date
CN111970812A CN111970812A (en) 2020-11-20
CN111970812B true CN111970812B (en) 2024-03-19

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CN202010794723.9A Active CN111970812B (en) 2020-08-10 2020-08-10 Fingerprint key module and electronic equipment

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007234971A (en) * 2006-03-02 2007-09-13 Sharp Corp Flexible printed wiring board and method for inserting flexible printed wiring board into connector
CN105825194A (en) * 2016-03-25 2016-08-03 邓力 Integrated fingerprint identification module and preparation method thereof
CN107004698A (en) * 2014-12-15 2017-08-01 乐金显示有限公司 Flexible display apparatus with the supporting course including rounded edges
KR20180059720A (en) * 2016-11-25 2018-06-05 엘지디스플레이 주식회사 Display device
CN208908035U (en) * 2018-11-30 2019-05-28 南昌欧菲生物识别技术有限公司 Fingerprint recognition mould group and electronic device
CN209248551U (en) * 2018-12-25 2019-08-13 比亚迪股份有限公司 A fingerprint identification key module and electronic equipment
CN110262626A (en) * 2019-05-09 2019-09-20 华为技术有限公司 Electronic equipment
CN110674686A (en) * 2019-08-19 2020-01-10 华为技术有限公司 Fingerprint identification device and electronic equipment
CN111506161A (en) * 2020-04-24 2020-08-07 华勤通讯技术有限公司 Fingerprint module fixing device and terminal equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI582704B (en) * 2016-08-05 2017-05-11 致伸科技股份有限公司 Method of assembling fingerprint identification module
KR102016932B1 (en) * 2017-04-14 2019-09-02 주식회사 리딩유아이 Fingerprinter sensor module and fingerprinter recognition device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007234971A (en) * 2006-03-02 2007-09-13 Sharp Corp Flexible printed wiring board and method for inserting flexible printed wiring board into connector
CN107004698A (en) * 2014-12-15 2017-08-01 乐金显示有限公司 Flexible display apparatus with the supporting course including rounded edges
CN105825194A (en) * 2016-03-25 2016-08-03 邓力 Integrated fingerprint identification module and preparation method thereof
KR20180059720A (en) * 2016-11-25 2018-06-05 엘지디스플레이 주식회사 Display device
CN208908035U (en) * 2018-11-30 2019-05-28 南昌欧菲生物识别技术有限公司 Fingerprint recognition mould group and electronic device
CN209248551U (en) * 2018-12-25 2019-08-13 比亚迪股份有限公司 A fingerprint identification key module and electronic equipment
CN110262626A (en) * 2019-05-09 2019-09-20 华为技术有限公司 Electronic equipment
CN110674686A (en) * 2019-08-19 2020-01-10 华为技术有限公司 Fingerprint identification device and electronic equipment
CN111506161A (en) * 2020-04-24 2020-08-07 华勤通讯技术有限公司 Fingerprint module fixing device and terminal equipment

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