Utility model content
In view of this, the utility model provides a kind of fingerprint recognition module and the end with the fingerprint recognition module
End equipment, reduce structure space occupancy, improve connector mechanical connection and the stability electrically connected.
A kind of fingerprint recognition module, including module body, flexible PCB and the module connector being cascading, institute
Module body is stated to electrically connect with the flexible PCB with the module connector.
Wherein, position of the module connector on the flexible PCB and the module body are in the flexible electrical
Position on the plate of road is relative, and orthographic projection of the module connector on flexible PCB is with module body on flexible PCB
Orthographic projection respectively on relative two surfaces of flexible PCB.
Wherein, the module connector is cylinder or cone.
Wherein, the module connector is tetrahedron.
Wherein, the module body includes fingerprint chip, the cover plate being covered on the fingerprint chip, and by described in
Fingerprint chip, the cover plate and the flexible PCB enclose the frame set in the inner.
Wherein, the cover plate is bonded on the fingerprint chip.
Wherein, the fingerprint chip is welded on the flexible PCB.
Wherein, the fingerprint chip is attached on the flexible PCB by glued membrane.
A kind of terminal device, including mainboard, the mainboard are provided with motherboard connector, and the terminal device also includes above-mentioned
Fingerprint recognition module, wherein, the module connector and the motherboard connector grafting.
Wherein, the mainboard is provided with neck, and the motherboard connector is located in the neck.
Fingerprint recognition module of the present utility model, by by module body, flexible PCB and module connector successively layer
It is folded to set, extend to set the end of connector on flexible PCB length direction without additionally, so as to not account for additionally
According to structure space;Also, the surface area of flexible PCB is larger, module connector is located at into surface can increase module connector
With the contact area of flexible PCB, enable to mechanically connect stabilization, and then also increase the reliability of electrical connection.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is part of the embodiment of the present utility model, rather than is all implemented
Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment obtained, it should all belong to the scope of the utility model protection.
As shown in figure 1, the fingerprint recognition module 10 of the utility model embodiment includes the module body being cascading
11st, flexible PCB 12 and module connector 121.Relative two surfaces of i.e. described flexible PCB 12 are respectively equipped with module body
11 and module connector 121, the module body 11 electrically connected with module connector 121 with flexible PCB 12.Flexible electrical
The surface of road plate 12 refers to the surface for arranging devices, and the surface is also printed with circuit.
The module body 11 is the core component of fingerprint recognition module 10, and there is finger print information collection to be identified with processing for it
Etc. function.For example, as shown in figure 1, the module body 11 can include fingerprint chip 113, be covered on fingerprint chip 113
Cover plate 111, and fingerprint chip 113, cover plate 111 and flexible PCB 12 are enclosed to the frame (not shown) set in the inner.Lid
Plate 111 is not limited to be manufactured with sapphire material or ceramic material.Cover plate 111 can be bonded in fingerprint chip 113 by viscose glue 112
On, the mode of bonding connects reliably and cost is cheap.Other technique connecting cover plates 111 and fingerprint chip can certainly be used
113.Fingerprint chip 113 can be welded on flexible PCB 12 by scolding tin 114, the mode technical maturity of welding, production
Can be good.Fingerprint chip 113 can also be attached on flexible PCB 12 by glued membrane.The glued membrane for example can be anisotropy
Conductive adhesive film (Anisotropic Conductive Film, referred to as ACF).ACF glue conducts electricity very well, resistance to thermal cycle and heat
Impact.Certain fingerprint chip 113 can also be by other technique pasters on flexible PCB 12.The frame can use gold
Belong to material manufacture, the ground connection of fingerprint recognition module 10 can not only be realized, effectively prevent the electrostatic on finger from passing to fingerprint core
Piece 113 causes the damage of fingerprint recognition module 10;And structural strength is high, adds texture, improves Consumer's Experience.
Module connector 121 is the external interface of fingerprint recognition module 10, and it is by fingerprint recognition module 10 and terminal device
Connection.As shown in figure 1, in the present embodiment, module connector 121 is multiple, and multiple module connectors 121 are spaced apart.Arrangement
Multiple module connectors 121 can increase the reliability of electrical connection.It is of course also possible to it is arranged as required to module connector 121
Quantity.
As shown in figure 1, position of the module connector 121 with the module body 11 on flexible PCB 12 is relative.I.e.
Orthographic projection of the module connector 121 on flexible PCB 12 and orthographic projection of the module body 11 on flexible PCB 12
Respectively on relative two surfaces of flexible PCB 12.Namely as viewed from the direction shown in Fig. 1, multiple module connectors 121
Orthographic projection center superposition or near of the orthographic projection center with module body 11 on flexible PCB 12 on flexible PCB 12
Like coincidence.Multiple module connectors 121 are located at the lower section of the module body 11, with play the support module body 11 with
The effect of flexible PCB 12.Certainly, the position of module connector 121 and the position of the module body 11 can also stagger.
As shown in figure 1, in the present embodiment, module connector 121 is tetrahedron, and it has cross section wheel triangular in shape
Exterior feature, when module connector 121 is plugged into terminal device, such a shape is advantageous to strengthen bonding strength, and then also increases electricity
The reliability of connection.In other embodiments, module connector 121 can also have other shapes.For example, module connector
121 can also be the cylinders such as cylinder, prism, or the centrum such as circular cone, pyramid (such as tetrahedron).
The fingerprint recognition module 10 of the present embodiment, by the circuit table that module connector 121 is located to flexible PCB 12
Face rather than end, using the structure space where flexible PCB 12 with regard to connector can be arranged, without additionally occupying structure space;
Also, it is larger that the surface area of flexible PCB 12 compares end, and module connector 121 is located at into surface and enables to mechanically connect
It is stable, and then also increase the reliability of electrical connection.Further, by module sheet described in the position correspondence of module connector 121
The position of body 11, module connector 121 is played a part of the support module body 11 and flexible PCB 12, enhance
The structural stability of fingerprint recognition module 10;Module connector 121 is set to the shape in all kinds of solids, enhancing connection is strong
Degree, and then also increase the reliability of electrical connection.
As shown in Fig. 2 the utility model embodiment additionally provides a kind of terminal device 20, including mainboard 210 and the above are in fact
Apply the fingerprint recognition module 10 described in example.Wherein, mainboard 210 is provided with motherboard connector 211 (using shadow representation), with module
121 corresponding grafting of connector.The structure and quantity of motherboard connector 211 and matching for module connector 121.
As shown in Fig. 2 it is further, taken to reduce structure space, such as the consideration for product slimming design,
Some necks 211 are offered on mainboard 210, the motherboard connector is located in neck 211.Connected compared to the mainboard
Scheme of the direct projection of device on mainboard 210, in the present embodiment, terminal device 20 will reduce in the vertical thickness shown in Fig. 2.
The quantity of neck 211 is identical with the quantity of module connector 121 and motherboard connector 211, shape and size and motherboard connector
211st, module connector 121 matches.For example, as shown in figure 3, the corresponding module connector 121 in tetrahedral, mainboard connection
Device 211 can be tetrahedron, and the inwall of neck 212 can have three faces, to accommodate module connector 121 and motherboard connector
211.Certainly, in other embodiments, neck 211 can not also be set.
The utility model at least has advantages below:
Fingerprint recognition module of the present utility model, by by module body, flexible PCB and module connector successively layer
It is folded to set, extend to set the end of connector on flexible PCB length direction without additionally, so as to not account for additionally
According to structure space;Also, the surface area of flexible PCB is larger, module connector is located at into surface can increase module connector
With the contact area of flexible PCB, enable to mechanically connect stabilization, and then also increase the reliability of electrical connection.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can easily expect each in the technical scope that the utility model discloses
The equivalent modifications or substitutions of kind, these modifications or substitutions should all cover within the scope of protection of the utility model.Therefore, this reality
It should be defined with new protection domain by scope of the claims.