CN205318405U - Fingerprint identification module and terminal equipment - Google Patents
Fingerprint identification module and terminal equipment Download PDFInfo
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- CN205318405U CN205318405U CN201520934410.3U CN201520934410U CN205318405U CN 205318405 U CN205318405 U CN 205318405U CN 201520934410 U CN201520934410 U CN 201520934410U CN 205318405 U CN205318405 U CN 205318405U
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Abstract
The utility model provides a fingerprint identification module and terminal equipment, the fingerprint module that relates to terminal equipment designs the field. For fingerprint identification module middle part subunit in solving prior art occupies the terminal equipment inner structure space, influence the problem that the design is piled up to the terminal equipment structure. This fingerprint identification module includes: fingerprint chip, fingerprint apron, flexible circuit board, stiffening plate, and set up the circumferential decoration circle in this fingerprint chip, these first connecting portion of decorating the circle are connected with this fingerprint chip's first end, and are connected with this fingerprint cover plate contact, these second connecting portion of decorating the circle are connected with this fingerprint chip's second end, and are connected with this fingerprint cover plate contact, just with this stiffening plate fixed connection. The utility model provides a terminal equipment. The utility model discloses a decorate the second connecting portion and stiffening plate fixed connection of circle for the thickness attenuation of this fingerprint identification module is coordinating the inner structure space of saving this terminal equipment when installing with terminal equipment.
Description
Technical field
The utility model relates to the fingerprint module design field of terminating unit, particularly relates to a kind of fingerprint recognition module and terminating unit.
Background technology
Along with the fast development of mobile intelligent terminal technology, user is increasing to the demand of mobile intelligent terminal, and the requirement simultaneously experienced by mobile intelligent terminal is also more and more higher. Biological identification technology is also constantly being applied to mobile intelligent terminal. Wherein, fingerprint identification technology is the most ripe and one of the technology paid close attention to most of human consumer. And along with improving constantly that mobile payment security requires, fingerprint recognition module will become the indispensable device of the equipment such as intelligent movable communication terminal, mobile payment terminal.
Fingerprint recognition principle is: fingerprint recognition module reads finger print data, it is send electrical signal by Bezel (stainless steel cover sheet), module sensor (sensor) is passed to after finger skin corium, the image of somatic fingerprint is read by fingerprint reading systems, then the original image of somatic fingerprint is carried out preliminary process, make it more clear, then set up the characteristic of fingerprint by fingerprint recognition software.
At present, fingerprint recognition module is usually by fingerprint chip, wire loop, composition such as FPC (FlexiblePrintedCircuit, flexible PCB) plate, FPC stiffening plate etc. The common design of usual fingerprint recognition module can only meet from device interior to exterior requirement, the structures such as the flange of FPC plate, FPC stiffening plate and wire loop need to be stuck in shell or touch screen inner (as shown in Figure 1), occupy many internal structural spaces, it is unfavorable for and handset structure stack design.
Practical novel content
The technical problems to be solved in the utility model is to provide a kind of fingerprint recognition module and terminating unit, such that it is able to solution prior art is grouped into parts take terminating unit internal structural space in the middle part of fingerprint recognition module, affect the problem of terminating unit structure stack design.
In order to solve the problems of the technologies described above, the utility model embodiment adopts following technical scheme:
A kind of fingerprint recognition module, comprising:
Fingerprint chip;
Be arranged at described fingerprint chip wherein one side fingerprint cover plate;
It is arranged on described fingerprint chip the flexible PCB relative to fingerprint cover plate another side;
It is arranged at the stiffening plate below described flexible PCB; And
It is arranged at the decoration circle of described fingerprint chip periphery;
First connection section of described decoration circle is connected with the first end of described fingerprint chip, and contacts connection with described fingerprint cover plate;
2nd connection section of described decoration circle is connected with the 2nd end of described fingerprint chip, and contacts connection with described fingerprint cover plate, and is fixedly connected with described flexible PCB, described stiffening plate.
The utility model also provides a kind of terminating unit, comprising: the display screen with glass cover-plate, and described glass cover-plate has a hole put into for fingerprint recognition module; Described fingerprint recognition module is the fingerprint recognition module as described in above-described embodiment.
The useful effect of technique scheme of the present utility model is as follows:
In such scheme of the present utility model, it is fixedly connected with stiffening plate by arranging the 2nd connection section of fingerprint cover plate and decoration circle on fingerprint chip, make the thickness of fingerprint recognition module thinning, the internal structural space of this terminating unit is saved when coordinating with terminating unit and install, facilitate the structure design of other parts of terminating unit and stacking, thus reduce the integral thickness of terminating unit.
Accompanying drawing explanation
Fig. 1 is the sectional view that existing fingerprint recognition module is assemblied in mobile terminal;
Fig. 2 is the sectional view of the fingerprint recognition module of the utility model embodiment;
Fig. 3 is the sectional view that the fingerprint recognition module of the utility model embodiment is assemblied in mobile terminal;
Fig. 4 is the cross section partial enlargement schematic diagram of the packing ring of the fingerprint recognition module of the utility model embodiment;
Fig. 5 is the cross sectional representation of a kind of packing ring of the fingerprint recognition module of the utility model embodiment;
Fig. 6 is the cross sectional representation of another kind of packing ring of the fingerprint recognition module of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment; technical scheme in the utility model embodiment is clearly and completely described; obviously; described embodiment is only the utility model part embodiment; instead of whole embodiments; based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of fingerprint recognition module, as shown in Figure 2, this fingerprint recognition module 1 comprises: fingerprint chip 4; Be arranged at this fingerprint chip 4 wherein one side fingerprint cover plate 3; It is arranged on this fingerprint chip 4 flexible PCB 6 relative to fingerprint cover plate 3 another side; It is arranged at the stiffening plate 7 below this flexible PCB 6; And it is arranged at the decoration circle of this fingerprint chip 4 periphery.
Here, this fingerprint chip 4 is bare chip, and namely this fingerprint chip 4 encapsulates without the need to plastic cement. The thickness of this fingerprint chip 4 is 0.1～0.3mm, it is preferable to 0.2mm.
The wherein one side of this fingerprint chip 4 is provided with fingerprint cover plate 3, and this fingerprint chip 4 could be adhered on this fingerprint cover plate 3. It should be noted that, the material of this fingerprint cover plate 3 is glass, pottery or sapphire, improves the appearance effect of mobile terminal; And the thickness of this fingerprint cover plate 3 is 0.1～0.3mm, it is preferable to 0.15～0.2mm, compare existing fingerprint chip, this fingerprint chip 4 and on the thickness of fingerprint cover plate 3 entirety reduce.
Arranging relative to the another side of fingerprint cover plate 3 on this fingerprint chip 4 and be connected with flexible PCB 6, this fingerprint chip 4 comprises with the mode of connection of this flexible PCB 6: welds, be coated with glue or chip on board COB plays line. Certainly, it is not limited only to above-mentioned mode of connection. Further, this flexible PCB 6 can adopt single plate or multiple-plate design; When this flexible PCB 6 adopts single plate to design, the thickness of whole fingerprint recognition module 1 can be reduced.
This decoration circle comprises the first connection section 51 and the 2nd connection section 52. Wherein, the gantry structure inside the first connection section 51 is connected with the first end of this fingerprint chip 4, and the step surface of this gantry structure contacts connection with this fingerprint cover plate 3; Gantry structure inside this decoration circle the 2nd connection section 52 is connected with the 2nd end of this fingerprint chip 4, and the step surface of this gantry structure contacts connection with this fingerprint cover plate 3; Two stage steps face inside described decoration circle the 2nd connection section 52 is fixedly connected with flexible PCB 6, this stiffening plate 7 respectively. Specifically, the interior side of this fingerprint cover plate 3 connection bonding with the step surface of fingerprint chip 4, the step surface decorating circle the first connection section 51, decoration circle the 2nd connection section 52 simultaneously.
Here it should be noted that, this stiffening plate 7 and partially flexible circuit card 6 are by welded shaping, and the flexible PCB 6 of rest part forms free free end. Having the first pre-opened hole 9 between this first connection section 51 and this stiffening plate 7, the plate body of the free part of this flexible PCB 6 stretches out from this first pre-opened hole 9 after bending.
More specifically, the inner side 51 that this decoration encloses the first connection section has the first Access Division. This first Access Division is a gantry structure, and one end of this fingerprint cover plate 3 is arranged on the step surface of this first Access Division, and contacts connection with this first Access Division.
The inner side of this decoration circle the 2nd connection section 52 has the 2nd Access Division, and the 2nd Access Division is a gantry structure, and the other end of this fingerprint cover plate 3 is arranged on the step surface of the 2nd Access Division, and contacts connection with the 2nd Access Division.
The inner side of this decoration circle the 2nd connection section 52 also has the 3rd Access Division; 3rd Access Division is a two stage steps shape structure towards decoration circle bottom, and this flexible PCB 6 and this stiffening plate 7 are arranged on the 3rd Access Division respectively, and the two stage steps face with the 3rd Access Division is fixedly connected with.
It should be noted that, this flexible PCB 6 and this stiffening plate 7 are arranged on the 3rd Access Division, but not it is arranged on the lower section of decoration circle, the thickness of this fingerprint recognition module 1 entirety is reduced, also namely the thickness of this fingerprint recognition module is thinning, after being assembled on corresponding terminating unit, more internal structural space can be reserved for terminating unit.
Here, this stiffening plate 7 comprises with the mode of connection of the 3rd Access Division: welding, bonding, laser welding or ultrasonic welding, can effectively improve the constant intensity of stiffening plate 7 with decoration circle the 2nd connection section 52. But it is not limited only to above-mentioned mode of connection, other mode of connection this stiffening plate 7 firmly can fixed with the 3rd Access Division.
As shown in Figure 3, outside this first connection section 51 and outside the 2nd connection section 52 with step-like in inwardly depression of the cross section of the gap of glass cover-plate 8 perforate. Here, this glass cover-plate 8 is the parts on a terminating unit.
Here it should be noted that, the decoration circle 4 described in this embodiment can be plastic tube, wire loop, it is preferable to wire loop.
The invention also discloses a kind of terminating unit, as shown in Figure 3, this terminating unit comprises: the display screen with glass cover-plate 8, and this glass cover-plate 8 has a hole put into for fingerprint recognition module;
Specifically, being then to be needed to arrange perforate on the glass cover-plate 8 of the terminating unit correspondence position of fingerprint recognition module, the width of perforate is less times greater than the width of above-mentioned fingerprint recognition module 1. The making method of perforate adopts glossing, and the step-like bending part inside perforate adopts chamfer angle technique, can effectively promote the intensity of glass.
Wherein, this perforate tilts from glass cover-plate 8 top to the direction of decoration circle bottom and has two-stage to bend, the angle of the first bending part be obtuse angle, the 2nd bending part angle be also obtuse angle.
This fingerprint recognition module is the fingerprint recognition module 1 described in above-described embodiment. Wherein, this terminating unit can be the equipment such as mobile phone, navigation, panel computer, personal digital assistant (PDA), mobile payment terminal or notebook computer.
Here it should be noted that, this fingerprint recognition module 1 is put into the modes of emplacement in the hole on glass cover-plate 8 and is: place from outside to inside. So, the process operation that fingerprint recognition module 1 can be made to be assembled in the hole on glass cover-plate 8 is easy. Certainly, also it is not limited only to this kind of modes of emplacement, other modes of emplacements, as placed from inside to outside.
The inner side-wall in the hole on glass cover-plate 8 is step-like, and the step-like position in this hole is mated mutually with the step-like position outside decoration circle the first connection section 51 and outside the 2nd connection section 52. And the space between the step-like outside of the step-like inner side-wall in this hole and this first connection section 51 and the 2nd connection section 52 is provided with packing ring 2. That is having packing ring 2 between glass cover-plate 8 and fingerprint recognition module 1, this packing ring 2, for the fit-up gap between filling glass cover plate 8 and fingerprint recognition module 1, plays shock absorption between this hole and fingerprint recognition module 1.
Here, the material of this packing ring 2 is flexible material, such as rubber cradle, foam sponge packing ring, silicone gasket, the utility model embodiment preferred rubber packing ring. This packing ring 2 is set on fingerprint recognition module 1, refills afterwards in the hole on the glass cover-plate 8 being fitted on terminating unit. Specifically, the material of decoration circle is preferably metal, the material of cover plate 8 is glass, both belong to mechanically resistant material, and packing ring 2 preferentially adopts rubber this kind of soft material, the touching loss decorated between circle outside and glass cover-plate 8 can be avoided, it is possible to play effective shock absorption when loading and unloading fingerprint recognition module 1.
It should be noted that, fit-up gap between the hole that the size of this packing ring 2 thickness is greater than on glass cover-plate 8 and fingerprint recognition module 1, fixed by the extruding of packing ring 2 like this, make fingerprint recognition module 1 be fixed in the hole on glass cover-plate 8 more firmly, and good waterproof effect can be reached.
As shown in Figure 4, this packing ring 2 is bending or step-like, and its dual-side mates mutually with the step-like inner side-wall in hole on this glass cover-plate 8 and the step-like outside on the decoration circle of fingerprint recognition module 1 respectively. Namely coordinate with the step-like position on the decoration circle of fingerprint recognition module 1 inside this packing ring 2, bend inwards and link closely with this decoration circle. Specifically, the step-like position of above-mentioned glass cover-plate 8 perforate, packing ring 2, decoration circle tilts to the direction of decoration circle bottom from glass cover-plate 8 top and divides step to bend.
Wherein, the outside with the 2nd connection section 52 of the first connection section 51 of decoration circle all arranges the first bending portion and the 2nd bending portion, and the inner side of described packing ring 2 arranges the first bending portion and the 2nd bending portion; Inside packing ring 2, the angle of the first bending part in decoration circle outside be obtuse angle and both cooperatively interact, the angle of the 2nd bending part of described decoration circle and packing ring 2 be right angle and both cooperatively interact.The inner side-wall in the hole on described glass cover-plate 8 arranges the first bending portion and the 2nd bending portion, arranged outside the 3rd bending portion of described packing ring 2 and the 4th bending portion. The angle of the 3rd bending part outside the first bending part of the inner side-wall in the hole on glass cover-plate 8, the 2nd bending part, packing ring 2 is obtuse angle, and the angle of the 4th bending part outside packing ring 2 is right angle; Wherein the 2nd bending part of the inner side-wall in hole matches with the 3rd bending part outside packing ring 2. The fingerprint recognition module 1 that this design can realize overlapping on the one hand this packing ring 2 is assembled in the hole on terminating unit glass cover-plate 8 from outer toward interior easily; Avoid this fingerprint recognition module 1 and glass cover-plate 1 mutual dislocation in assembling process on the other hand; Another further aspect, owing to the material of packing ring 2 is softer, is designed to bending or step-like, its adjacent zeros parts more can be made firm than being designed to straight bar shape, avoid sliding.
Further, four sides of this packing ring 22 are provided with buckle structure, the shape of this buckle structure can be tooth shape as shown in Figure 5, also can be concavo-convex shape as shown in Figure 6, this buckle structure can sticking power between reinforcing washer 2 and fingerprint recognition module 1, glass cover-plate 1 further, preventing from overlapping has the fingerprint recognition module 1 of this packing ring 2 to come off from the hole glass cover-plate 8; Certainly, this buckle structure is not limited only to above-mentioned shape, and other contribute to the shape strengthening sticking power between strong packing ring 2 and fingerprint recognition module 1, glass cover-plate 1 also may be used.
As shown in Figure 3, this terminating unit also comprises: touch screen module 11, this touches screen module 11 and is positioned at below this stiffening plate 7, the 2nd connection section 52, packing ring 2 and glass cover-plate 8, and contacts connection with described stiffening plate 7, the 2nd connection section 52, packing ring 2 and glass cover-plate 8. It can be adhesively fixed that contact described here connects.
This terminating unit also comprises: machine frame structure 12, and this machine frame structure 12 has the 2nd pre-opened hole 10, and the part plate body that flexible PCB 6 stretches out from the first pre-opened hole 9 this fingerprint recognition module 1 stretches out from the 2nd pre-opened hole 10. Here, the part plate body of this flexible PCB 6 stretched out from the 2nd pre-opened hole 10 is electrically connected with the fingerprint reading device in terminating unit.
Here it should be noted that, this touches has at least one maintenance hole between screen module 11 and this machine frame structure 12, facilitate and ejected by fingerprint recognition module 1 from inside to outside during terminating unit dismounting maintenance.
Here, the thickness of this fingerprint recognition module 1 and the thickness of this glass cover-plate 8 are nearly equal, then fingerprint recognition module 1 can not take terminating unit internal structural space, is conducive to the design of terminating unit inner structure part and stacking, is also conducive to reducing the integral thickness of terminating unit.
The utility model embodiment is by improving the decoration coil structures of fingerprint identification module, obtain a kind of thinner fingerprint identification module structure, save the internal structural space of terminating unit on the one hand, can realize fingerprint identification module on the other hand making the dismounting operation of fingerprint identification module more convenient from outer toward interior assembling mode; The utility model embodiment also improves the interior wall construction of soft packing ring, glass cover-plate perforate simultaneously, fingerprint identification module firmly is installed in glass cover-plate perforate, and can realize the function of waterproof.
Also it should be noted that, herein, the such as relational terms of first and second grades and so on is only used for separating an entity or operation with another entity or operational zone, and not necessarily requires or imply to there is any this kind of actual relation or sequentially between these entities or operation. And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, so that comprise the process of a series of key element, method, article or terminating unit not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise the key element intrinsic for this kind of process, method, article or terminating unit. When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the terminating unit comprising this key element and also there is other identical element.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also making some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (24)
1. a fingerprint recognition module, it is characterised in that, comprising:
Fingerprint chip (4);
Be arranged at described fingerprint chip (4) wherein one side fingerprint cover plate (3);
It is arranged on described fingerprint chip (4) flexible PCB (6) relative to fingerprint cover plate (3) another side;
It is arranged at the stiffening plate (7) of described flexible PCB (6) lower section; And
It is arranged at the decoration circle of described fingerprint chip (4) periphery;
First connection section (51) of described decoration circle is connected with the first end of described fingerprint chip (4), and contacts connection with described fingerprint cover plate (3);
2nd connection section (52) of described decoration circle is connected with the 2nd end of described fingerprint chip (4), and contact connection with described fingerprint cover plate (3), and it is fixedly connected with described flexible PCB (6), described stiffening plate (7).
2. fingerprint recognition module according to claim 1, it is characterised in that, the outside of described first connection section (51), the outside of described 2nd connection section (52) are step-like in what inwardly cave in.
3. fingerprint recognition module according to claim 2, it is characterised in that, the inner side of described first connection section (51) has the first Access Division; One end of described fingerprint cover plate (3) is arranged on described first Access Division, and contacts connection with described first Access Division;
The inner side of described 2nd connection section (52) has the 2nd Access Division; The other end of described fingerprint cover plate (3) is arranged on described 2nd Access Division, and contacts connection with described 2nd Access Division.
4. fingerprint recognition module according to claim 3, it is characterised in that, the described flexible PCB of part (6) and described stiffening plate (7) are one-body molded.
5. fingerprint recognition module according to claim 4, it is characterised in that, the inner side of described 2nd connection section (52) also has the 3rd Access Division; Described flexible PCB (6) and described stiffening plate (7) are arranged on described 3rd Access Division, and are fixedly connected with described 3rd Access Division.
6. fingerprint recognition module according to claim 5, it is characterised in that, described stiffening plate (7) comprises with the mode of connection of described 3rd Access Division: welding, bonding, laser welding or ultrasonic welding.
7. fingerprint recognition module according to claim 1, it is characterised in that, described fingerprint chip (4) comprising with the mode of connection of described flexible PCB (6): welds, be coated with glue or chip on board COB plays line.
8. fingerprint recognition module according to claim 1, it is characterised in that, described flexible PCB (6) is single plate or multi-ply wood.
9. fingerprint recognition module according to claim 1, it is characterized in that, having the first pre-opened hole (9) between described first connection section (51) and described stiffening plate (7), the rest part plate body of described flexible PCB (6) stretches out from described first pre-opened hole (9) after bending.
10. fingerprint recognition module according to claim 1, it is characterised in that, described decoration circle is plastic tube or wire loop.
11. fingerprint recognition modules according to claim 1, it is characterised in that, the material of described fingerprint cover plate (3) is glass, pottery or sapphire.
12. fingerprint recognition modules according to claim 1, it is characterised in that, the thickness of described fingerprint chip (4) is: 0.1～0.3mm.
13. fingerprint recognition modules according to claim 1, it is characterised in that, the thickness of described fingerprint cover plate (3) is: 0.1～0.3mm.
14. 1 kinds of terminating units, comprising: the display screen with glass cover-plate (8), and described glass cover-plate (8) has a hole put into for fingerprint recognition module (1);Described fingerprint recognition module (1) is the fingerprint recognition module (1) as described in item as arbitrary in claim 1-13.
15. terminating units according to claim 14, it is characterised in that, the inner side-wall in described hole is step-like, and the step-like position, outside with described decoration circle is mated mutually.
16. terminating units according to claim 15, it is characterised in that, the space between the inner side-wall in described hole and the outside of described decoration circle is provided with packing ring (2).
17. terminating units according to claim 16, it is characterised in that, described packing ring (2) is rubber cradle, foam sponge packing ring or silicone gasket.
18. terminating units according to claim 16, it is characterised in that, the space width that the gauge of described packing ring (2) is greater than between the inner side-wall in described hole and the outside of described decoration circle.
19. terminating units according to claim 16, it is characterised in that, described packing ring (2) is for step-like, and the dual-side of described packing ring (2) mates mutually with the inner side-wall in described hole and the outside of described decoration circle respectively.
20. terminating units according to claim 19, it is characterized in that, the arranged outside first bending portion of described decoration circle and the 2nd bending portion, the inner side of described packing ring (2) arranges the first bending portion and the 2nd bending portion, the angle of the first bending part of described decoration circle and packing ring (2) is obtuse angle and cooperatively interacts, and the angle of the 2nd bending part of described decoration circle and packing ring (2) is right angle and cooperatively interacts;
The inner side-wall in described hole arranges the first bending portion and the 2nd bending portion, arranged outside the 3rd bending portion of described packing ring (2) and the 4th bending portion, the angle of the 2nd bending part of the first bending part of the inner side-wall in described hole, the inner side-wall in hole, the 3rd bending part in packing ring (2) outside is obtuse angle, and the angle of the 4th bending part in packing ring (2) outside is right angle; Wherein, the 2nd bending part of the inner side-wall in described hole matches with the 3rd bending part in packing ring (2) outside.
21. terminating units according to the arbitrary item of claim 16～20, it is characterised in that, the side of described packing ring (2) is provided with buckle structure.
22. terminating units according to claim 21, it is characterised in that, described terminating unit also comprises: touch screen module (11);
Described tactile screen module (11) is positioned at described stiffening plate (7), described 2nd connection section (52), described packing ring (2) and described glass cover-plate (8) lower section, and contacts connection with described stiffening plate (7), described 2nd connection section (52), described packing ring (2) and described glass cover-plate (8).
23. terminating units according to claim 22, it is characterised in that, described terminating unit also comprises: machine frame structure (12);
Described machine frame structure (12) has the 2nd pre-opened hole (10), and the part plate body that described flexible PCB (6) stretches out from the first pre-opened hole (9) described fingerprint recognition module (1) stretches out from described 2nd pre-opened hole (10).
24. terminating units according to claim 23, it is characterised in that, it is provided with maintenance hole between described tactile screen module (11) and described machine frame structure (12).
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| CN201520934410.3U CN205318405U (en) | 2015-11-20 | 2015-11-20 | Fingerprint identification module and terminal equipment |
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| CN201520934410.3U CN205318405U (en) | 2015-11-20 | 2015-11-20 | Fingerprint identification module and terminal equipment |
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- 2015-11-20 CN CN201520934410.3U patent/CN205318405U/en active Active
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