CN205080566U - Fingerprint identification device and mobile terminal - Google Patents

Fingerprint identification device and mobile terminal Download PDF

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Publication number
CN205080566U
CN205080566U CN201520812547.1U CN201520812547U CN205080566U CN 205080566 U CN205080566 U CN 205080566U CN 201520812547 U CN201520812547 U CN 201520812547U CN 205080566 U CN205080566 U CN 205080566U
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CN
China
Prior art keywords
frame
fingerprint identification
recognition module
chamfering
base plate
Prior art date
Application number
CN201520812547.1U
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Chinese (zh)
Inventor
刘伟
Original Assignee
深圳市欧菲投资控股有限公司
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Publication date
Application filed by 深圳市欧菲投资控股有限公司 filed Critical 深圳市欧菲投资控股有限公司
Priority to CN201520812547.1U priority Critical patent/CN205080566U/en
Application granted granted Critical
Publication of CN205080566U publication Critical patent/CN205080566U/en

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Abstract

The utility model relates to a fingerprint identification device and mobile terminal. This fingerprint identification device, including frame, bottom plate, apron, fingerprint identification module and flexible circuit board, bottom plate and apron are located the both ends of frame respectively, and frame, bottom plate and apron cooperation formation holding chamber, and the fingerprint identification module is acceptd in the holding intracavity, and flexible circuit board one end is connected with fingerprint identification module electricity, and the other end is used for being connected with the external circuit electricity, wherein, is formed with the chamfer that is used for acceping glue on the inner wall of frame. When the above -mentioned fingerprint identification device of equipment, can effectively reduce to overflow and glue.

Description

Fingerprint identification device and mobile terminal

Technical field

The utility model relates to technical field of biometric identification, particularly relates to a kind of fingerprint identification device and mobile terminal.

Background technology

Fingerprint identification device has been widely used in various terminal device, such as mobile terminal, banking system, attendance checking system etc.Fingerprint identification device generally includes frame (Bezel), base plate, cover plate, fingerprint recognition module and flexible PCB, base plate and cover plate lay respectively at the two ends of frame, and frame, base plate and cover plate coordinate formation accommodating cavity, fingerprint recognition module is contained in accommodating cavity, flexible PCB one end is electrically connected with fingerprint recognition module, and the other end is used for being connected with external circuit.Wherein, connection between frame (Bezel), base plate, cover plate and fingerprint recognition module can use glue usually, easily occurs that glue is spilled over to the situation on fingerprint identification device outer wall, after follow-up glue curing; need artificial except glue, affect the production efficiency of fingerprint identification device.

Utility model content

Based on this, be necessary to provide a kind of fingerprint identification device and the mobile terminal that effectively can reduce excessive glue.

A kind of fingerprint identification device, it is characterized in that, comprise frame, base plate, cover plate, fingerprint recognition module and flexible PCB, described base plate and described cover plate lay respectively at the two ends of described frame, and described frame, described base plate and described cover plate coordinate formation accommodating cavity, described fingerprint recognition module is contained in described accommodating cavity, described flexible PCB one end is electrically connected with described fingerprint recognition module, the other end is used for being electrically connected with external circuit, wherein, the inwall of described frame is formed with the chamfering for accommodating glue.

Wherein in an embodiment, described chamfering extends towards the relative both ends of the surface of described frame, and in their extension direction, the cross section of described chamfering is C font or is horn shape;

Or described chamfering extends along the radial direction of described frame, in their extension direction, the cross section of described chamfering is C font or is horn shape.

Wherein in an embodiment, the inwall of described frame is square, and four corners of the inwall of described frame are formed with a chamfering respectively;

Or the number of described chamfering is one, and described chamfering extends to form ring texture along the radial direction of described frame.

Wherein in an embodiment, described base plate has relative first surface and second surface, the inwall of described frame is provided with flange, the end face of described frame one end is located on described first surface, described fingerprint recognition module is located on described first surface, described cover plate is located on the side of described flange away from described base plate, and described cover plate is connected by glue with described flange, described chamfering is formed at described frame and described flange junction, and extends towards the relative both ends of the surface of described frame.

Wherein in an embodiment, described first surface is provided with multiple projection, and described multiple projection is positioned at described frame, and described fingerprint recognition module is located between described multiple projection.

Wherein in an embodiment, described flange is provided with groove near the end face of described base plate, and described groove extends towards described frame center, and the number of described groove is identical with the number of described projection, and each projection is placed in a groove.

Wherein in an embodiment, described fingerprint identification device also comprises locating piece, described second surface is provided with mounting groove, the number of described mounting groove is identical with the number of described projection, and each mounting groove and a projection just right, described locating piece is located in described mounting groove, and protrudes from described second surface, so that described fingerprint identification device is assembled in outer setting.

Wherein in an embodiment, described fingerprint recognition module comprises Part I and is stacked at the Part II on described Part I, the described Part I of part is not covered by described Part II, and described Part I coordinates with described Part II and forms step, described Part I is located on described base plate away from the side of described Part II, described Part II flushes with the side of described flange away from described base plate away from the side of described Part I, described Part I is provided with electrical connection district for the formation of the part of described step, described flexible PCB one end is electrically connected with the described district that is electrically connected, the other end passes described frame and extends to outside described frame.

Wherein in an embodiment, described fingerprint recognition module is connected by glue with between described base plate, described fingerprint recognition module is connected by glue with between described cover plate, described fingerprint recognition module and described cover plate are placed in described frame, and the end face of described frame near described fingerprint recognition module one end is located on described base plate, described chamfering is formed at described frame and described back plate connections, and extends along the radial direction of described frame.

A kind of mobile terminal, comprises above-mentioned fingerprint identification device.

The chamfering of the fingerprint identification device that the utility model provides by arranging on the inwall of fingerprint recognition module frame for accommodating glue, be convenient to hide glue, thus can effectively avoid occurring that glue is spilled over to the situation on fingerprint identification device outer wall in fingerprint recognition module group assembling process, in subsequent process, do not need manually except the operation of glue, thus make the efficiency of producing fingerprint identification device higher.

Accompanying drawing explanation

Fig. 1 is the exploded view of the fingerprint identification device of an embodiment;

Fig. 2 is the sectional view of Fig. 1;

Fig. 3 is the partial enlarged drawing at A place in Fig. 2;

Fig. 4 is the structural representation of the frame in Fig. 1;

Fig. 5 is the sectional view of the fingerprint identification device of another embodiment;

Fig. 6 is the partial enlarged drawing in Fig. 5.

Embodiment

Below in conjunction with drawings and the specific embodiments, fingerprint identification device and mobile terminal are further described.

As Figure 1-3, the fingerprint identification device 10 of an embodiment, comprises frame 100, base plate 200, cover plate 300, fingerprint recognition module 400 and flexible PCB 500.Base plate 200 and cover plate 300 lay respectively at the two ends of frame 100, and frame 100, base plate 200 and cover plate 300 coordinate formation accommodating cavity 600.Fingerprint recognition module 400 is contained in accommodating cavity 600.Flexible PCB 500 one end is electrically connected with fingerprint recognition module 400, and the other end is used for being electrically connected with external circuit.Wherein, the inwall of frame 100 is formed with the chamfering 110 for accommodating glue.

The inwall of frame 100 arranges the chamfering 110 for accommodating glue, be convenient to hide glue, thus can have and avoid occurring that glue is spilled over to the situation on fingerprint identification device 10 outer wall, in subsequent process, do not need manually except the operation of glue, thus make the efficiency of producing fingerprint identification device 10 higher.

Further, in the present embodiment, chamfering 110 extends towards the relative both ends of the surface of frame 100, and in their extension direction, the cross section of chamfering 110 is C font or is horn shape.Be appreciated that in other embodiments, chamfering 110 also can extend along the radial direction of frame 100, and in their extension direction, the cross section of chamfering 110 is C font or is horn shape.

Further, in the present embodiment, the inwall of frame 100 is square, and four corners of the inwall of frame 100 are formed with a chamfering 110 respectively.Be appreciated that in other embodiments, also can only have a chamfering, this chamfering extends to form ring texture along the radial direction of frame 100.

Further, in the present embodiment, chamfering 110 runs through the end face of frame 110 near one end of base plate 200.

Further, in the present embodiment, base plate 200 has relative first surface 210 and second surface 220.The inwall of frame 100 is provided with flange 120.The end face of frame 100 one end is located on first surface 210.Fingerprint recognition module 400 to be located on first surface 210 and by frame 100 around.Cover plate 300 is located on the side of flange 120 away from base plate 200, and cover plate 300 is connected by glue with flange 120.Chamfering 110 is formed at frame 100 and flange 120 junction, and extends towards the relative both ends of the surface of frame 100.When cover plate 300 adopts glue to be connected with flange 120, glue unnecessary in assembling process flow in chamfering 110.

Concrete, in the present embodiment, frame 100 is connected by glue with base plate 200, and cover plate 300 is connected by glue with fingerprint recognition module 400, and fingerprint recognition module 400 is connected by glue with base plate 200.

Further, in the present embodiment, first surface 210 is provided with multiple projection 230, and multiple projection 230 is positioned at frame 100.Fingerprint recognition module 400 is located between projection 230.Concrete, in the present embodiment, the number of projection 230 is two.Two projections 230 are positioned at the two ends of fingerprint recognition module 400.

Further, as shown in Fig. 1 and Fig. 4, in the present embodiment, flange 120 is provided with groove 130 near the end face of base plate 200, and groove 130 extends towards frame 100 center.The number of groove 130 is identical with the number of projection 230, and each projection 230 is placed in a groove 130.

Further, in the present embodiment, fingerprint recognition module 400 comprises Part I 410 and is stacked at the Part II 420 on Part I 410, and part Part I 410 is not covered by Part II 420, and Part I 410 coordinates with Part II 420 and forms step (scheming not mark).Part I 410 is located on base plate 200 away from the side of Part II 420, and Part II 420 flushes with the side of flange 120 away from base plate 200 away from the side of Part I 410.Part I 410 is provided with electrical connection district (figure does not mark) for the formation of the part of step.Flexible PCB 500 one end be electrically connected district and be electrically connected, the other end is through frame 100 and extend to outside frame 100.Concrete, in the present embodiment, fingerprint recognition module 400 is system in package (SystemInaPackage, SIP) chip module.

Further, in the present embodiment, frame 100 is formed with a breach 140 on the end face of base plate 200, and breach 140 is communicated with a groove 130.Flexible PCB 500 is after projection 230, and from breach 130, place passes.

Further, in the present embodiment, fingerprint identification device 10 also comprises locating piece 700.Second surface 220 is provided with mounting groove 240, and the number of mounting groove 240 is identical with the number of projection 230, and each mounting groove 240 and a projection 230 just right.Locating piece 700 is located in mounting groove 240, and protrudes from second surface 220, so that fingerprint identification device 10 is assembled in outer setting.In the present embodiment, outer setting is mobile terminal.

As shown in Figures 5 and 6, in other embodiments, be connected by glue between fingerprint recognition module 400 with base plate 200, be connected by glue between fingerprint recognition module 400 with cover plate 300.Fingerprint recognition module 400 and cover plate 300 are placed in frame 100, and the end face of frame 100 near fingerprint recognition module 400 one end is located on base plate 200.Chamfering 110 is formed at frame 100 and base plate 200 junction, and extends along the radial direction of frame 100.Concrete, fingerprint recognition module 400 is Background Grid array packages (LandGridArray, LGA) chip module.In Fig. 5 and Fig. 6, fingerprint identification device also comprises stiffening plate 800, and stiffening plate 800 is located on the side of base plate 200 away from fingerprint recognition module 400.

In the present embodiment, also provide a kind of mobile terminal, this mobile terminal comprises above-mentioned fingerprint identification device 10.Wherein, this mobile terminal can be smart mobile phone, pad etc.

Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.

The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. a fingerprint identification device, it is characterized in that, comprise frame, base plate, cover plate, fingerprint recognition module and flexible PCB, described base plate and described cover plate lay respectively at the two ends of described frame, and described frame, described base plate and described cover plate coordinate formation accommodating cavity, described fingerprint recognition module is contained in described accommodating cavity, described flexible PCB one end is electrically connected with described fingerprint recognition module, the other end is used for being electrically connected with external circuit, wherein, the inwall of described frame is formed with the chamfering for accommodating glue.
2. fingerprint identification device according to claim 1, is characterized in that, described chamfering extends towards the relative both ends of the surface of described frame, and in their extension direction, the cross section of described chamfering is C font or is horn shape;
Or described chamfering extends along the radial direction of described frame, in their extension direction, the cross section of described chamfering is C font or is horn shape.
3. fingerprint identification device according to claim 1, is characterized in that, the inwall of described frame is square, and four corners of the inwall of described frame are formed with a chamfering respectively;
Or the number of described chamfering is one, and described chamfering extends to form ring texture along the radial direction of described frame.
4. fingerprint identification device according to claim 1, it is characterized in that, described base plate has relative first surface and second surface, the inwall of described frame is provided with flange, the end face of described frame one end is located on described first surface, described fingerprint recognition module is located on described first surface, described cover plate is located on the side of described flange away from described base plate, and described cover plate is connected by glue with described flange, described chamfering is formed at described frame and described flange junction, and extends towards the relative both ends of the surface of described frame.
5. fingerprint identification device according to claim 4, is characterized in that, described first surface is provided with multiple projection, and described multiple projection is positioned at described frame, and described fingerprint recognition module is located between described multiple projection.
6. fingerprint identification device according to claim 5, it is characterized in that, described flange is provided with groove near the end face of described base plate, and described groove extends towards described frame center, the number of described groove is identical with the number of described projection, and each projection is placed in a groove.
7. fingerprint identification device according to claim 5, it is characterized in that, described fingerprint identification device also comprises locating piece, described second surface is provided with mounting groove, the number of described mounting groove is identical with the number of described projection, and each mounting groove and a projection just right, described locating piece is located in described mounting groove, and protrude from described second surface, so that described fingerprint identification device is assembled in outer setting.
8. fingerprint identification device according to claim 4, it is characterized in that, described fingerprint recognition module comprises Part I and is stacked at the Part II on described Part I, the described Part I of part is not covered by described Part II, and described Part I coordinates with described Part II and forms step, described Part I is located on described base plate away from the side of described Part II, described Part II flushes with the side of described flange away from described base plate away from the side of described Part I, described Part I is provided with electrical connection district for the formation of the part of described step, described flexible PCB one end is electrically connected with the described district that is electrically connected, the other end passes described frame and extends to outside described frame.
9. fingerprint identification device according to claim 1, it is characterized in that, described fingerprint recognition module is connected by glue with between described base plate, described fingerprint recognition module is connected by glue with between described cover plate, described fingerprint recognition module and described cover plate are placed in described frame, and the end face of described frame near described fingerprint recognition module one end is located on described base plate, described chamfering is formed at described frame and described back plate connections, and extends along the radial direction of described frame.
10. a mobile terminal, is characterized in that, comprises fingerprint identification device as claimed in any one of claims 1-9 wherein.
CN201520812547.1U 2015-10-19 2015-10-19 Fingerprint identification device and mobile terminal CN205080566U (en)

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106095196A (en) * 2016-08-16 2016-11-09 广东欧珀移动通信有限公司 input module and terminal
WO2018032880A1 (en) * 2016-08-16 2018-02-22 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for manufacturing input assembly, input assembly and terminal
WO2018133707A1 (en) * 2017-01-20 2018-07-26 广东欧珀移动通信有限公司 Fingerprint module and mobile terminal
US10133913B2 (en) * 2016-08-30 2018-11-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Fingerprint module, method for fabricating the same, and mobile terminal
US10361861B2 (en) 2016-08-16 2019-07-23 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Input assembly and terminal
US10551947B2 (en) 2016-08-16 2020-02-04 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Decoration enclosure, input assembly and terminal
US10565426B2 (en) 2016-08-16 2020-02-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Fingerprint chip package structure, input assembly and terminal

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106095196A (en) * 2016-08-16 2016-11-09 广东欧珀移动通信有限公司 input module and terminal
WO2018032880A1 (en) * 2016-08-16 2018-02-22 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for manufacturing input assembly, input assembly and terminal
CN106095196B (en) * 2016-08-16 2018-09-07 广东欧珀移动通信有限公司 Input module and terminal
US10248251B2 (en) 2016-08-16 2019-04-02 Guangdong Oppo Mobile Telecommunications Corp. Method for manufacturing input assembly, input assembly and terminal
US10361861B2 (en) 2016-08-16 2019-07-23 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Input assembly and terminal
US10551947B2 (en) 2016-08-16 2020-02-04 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Decoration enclosure, input assembly and terminal
US10565426B2 (en) 2016-08-16 2020-02-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Fingerprint chip package structure, input assembly and terminal
EP3291515B1 (en) * 2016-08-30 2020-02-12 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Fingerprint module, method for fabricating the same, and mobile terminal
US10133913B2 (en) * 2016-08-30 2018-11-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Fingerprint module, method for fabricating the same, and mobile terminal
WO2018133707A1 (en) * 2017-01-20 2018-07-26 广东欧珀移动通信有限公司 Fingerprint module and mobile terminal

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