CN115696830A - Electronic device - Google Patents

Abstract

The application discloses electronic equipment, which comprises a shell and a fingerprint module, wherein the shell is provided with an accommodating space, and two adjacent side walls are respectively provided with a first opening and a second opening; the fingerprint module includes: the reinforcing component is arranged in the accommodating space and comprises a first side surface, a second side surface and a third side surface which are sequentially connected, the first side surface is opposite to the third side surface, the fingerprint body is positioned on the first side surface, and the fingerprint body faces the first opening; the flexible circuit board comprises a first part and a second part which are sequentially connected, the first part is connected with the fingerprint body and arranged on the first side face, the second side face and the third side face, the second part extends out of the accommodating space through the second opening, and at least part of the second part is positioned outside the projection of the fingerprint body on the plane where the first side face is positioned; the fixing component is arranged in the accommodating space, faces the second opening and is limited by the reinforcing component. Stress generated by pressing cannot act on the second part, and the problem that the flexible circuit board is prone to breaking is solved.

Description

Electronic device

Technical Field

The application belongs to the technical field of electronic equipment, and particularly relates to electronic equipment.

Background

In the related art, as electronic equipment increasingly pursues the convenience of comprehensive screen look sense and use, the position of fingerprint module also removes to electronic equipment's casing side from display panel one side. However to current electronic equipment, the flexible circuit board of fingerprint module is pressed along with the fingerprint module for a long time, easy breaking occur to lead to the fingerprint module to become invalid.

Disclosure of Invention

This application aims at providing an electronic equipment, and the flexible circuit board of the fingerprint module of solving electronic equipment at least breaks easily to lead to the problem that the fingerprint module became invalid.

In order to solve the technical problem, the present application is implemented as follows:

an embodiment of the present application provides an electronic device, including:

a shell and a fingerprint module, wherein the fingerprint module comprises a fingerprint body, a reinforcing component, a flexible circuit board and a fixing component, the shell is provided with an accommodating space, two adjacent side walls of the shell are respectively provided with a first opening and a second opening,

the reinforcing component is arranged in the accommodating space and comprises a first side surface, a second side surface and a third side surface which are sequentially connected, the first side surface and the third side surface are two opposite side surfaces, the fingerprint body is positioned on the first side surface, and the fingerprint body faces the first opening;

the flexible circuit board comprises a first part and a second part which are sequentially connected, the first part is connected with the fingerprint body and arranged on the first side surface, the second side surface and the third side surface, the second part extends out of the accommodating space through the second opening, and at least part of the second part is positioned outside the projection of the fingerprint body on the plane where the first side surface is positioned;

fixed subassembly sets up in accommodation space, and fixed subassembly and the spacing setting of reinforcement subassembly, fixed subassembly towards the second opening.

In the embodiment of this application, electronic equipment can include casing and fingerprint module, and the fingerprint module can include the fingerprint body, and the reinforcement subassembly, flexible circuit board and fixed subassembly, wherein, flexible circuit board's second portion stretches out in accommodation space through the second opening, and at least part second position is outside the planar projection of first side place fingerprint body. Like this, flexible circuit board is through the design of bending for there is the deviation in the position of at least partial second portion and fingerprint body, and under the condition that fingerprint body was pressed, it can not act on the second portion to press produced stress, and the second portion can play the effect of buffering promptly, thereby can improve the easy cracked problem that takes place of flexible circuit board.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application;

fig. 2 is a partial perspective view of a fingerprint module of an electronic device according to an embodiment of the present application;

fig. 3 is a partial plan view of a fingerprint module of an electronic device according to an embodiment of the present application.

Reference numerals:

1. a fingerprint body;

2. a reinforcement assembly; 21. a positioning column; 22. a bevel; 23. reinforcing with metal; 231. a slot; 24. reinforcing the flexible circuit board;

3. a flexible circuit board; 31. a first portion; 32. a second portion;

4. a fixing component; 41. a plastic main body; 42. a metal insert;

5. power supply dome sheets;

6. an elastic sheet;

100. a housing; 101. an antenna assembly; 102. a first opening; 103. a second opening.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of those features. In the description of the present application, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present application, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships shown in the drawings, and are used for convenience in describing the present application and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

The electronic device provided by the embodiment of the application is described below with reference to fig. 1 to 3. In the embodiment of the present application, the electronic device may include a mobile phone, a notebook computer, a tablet computer, a learning machine, a game machine, an electronic watch, an electronic photo album, and the like. These electronic devices may include the fingerprint module described above.

As shown in fig. 1 and fig. 2, an electronic device provided in an embodiment of the present application may include:

the fingerprint module comprises a fingerprint body 1, a reinforcing component 2, a flexible circuit board 3 and a fixing component 4, the shell 100 is provided with an accommodating space, and two adjacent side walls of the shell 100 are respectively provided with a first opening 102 and a second opening 103; the reinforcing component 2 is arranged in the accommodating space, the reinforcing component 2 comprises a first side surface, a second side surface and a third side surface which are sequentially connected, the first side surface and the third side surface are two opposite side surfaces, the fingerprint body 1 is positioned on the first side surface, and the fingerprint body 1 faces the first opening 102; the flexible circuit board 3 comprises a first part 31 and a second part 32 which are sequentially connected, the first part 31 is connected with the fingerprint body 1, the first part 31 is arranged on a first side surface, a second side surface and a third side surface, the second part 32 extends out of the accommodating space through the second opening 103, and at least part of the second part 103 is positioned outside the projection of the fingerprint body 1 on the plane of the first side surface; fixed subassembly 4 sets up in accommodation space, and fixed subassembly 4 sets up with reinforcement subassembly 2 is spacing, and fixed subassembly 4 is towards second opening 103.

As shown in fig. 1, the electronic device may include a housing 100, the housing 100 may have two adjacent side walls, the first opening 102 and the second opening 103 may be opened on the two side walls, respectively, and the first opening 102 and the second opening 103 may penetrate through an accommodating space of the housing 100. The fingerprint module can be mounted in the accommodating space of the housing 100 through the first opening 102 and the second opening 103. The fingerprint body 1 can face the first opening 102 and close the first opening 102, and the fixing component 4 can face the second opening 103 and close the second opening 103.

As shown in fig. 2, the fingerprint body 1 may be a Land Grid Array (LGA) which may include a fingerprint recognition chip. The stiffening component 2 may comprise a first side, a second side and a third side, wherein the first side is opposite to the third side, and the second side may connect the first side and the third side. Fingerprint body 1 can be located the first side of reinforcement subassembly 2, and reinforcement subassembly 2 can provide intensity for fingerprint body 1, prevents that the user from damaging the fingerprint identification chip when pressing this fingerprint body 1, causes the problem of functional failure.

The flexible circuit board 3 may include a first portion 31 and a second portion 32, wherein the first portion 31 may be disposed on the first side, the second side, and the third side of the reinforcing member 2, so that the reinforcing member 2 may also function to support the flexible circuit board 3. The first part 31 can also be connected with the fingerprint body 1, and mainly can be conducted with a fingerprint identification chip to realize a fingerprint identification function.

One end of the second portion 32 is connected to the first portion 31, and the other end thereof can extend out of the accommodating space through the second opening 103, so that at least part of the second portion 103 can be located outside the projection of the fingerprint body 1 on the plane of the first side. It will be appreciated that the second portion 32 may be bent in a direction perpendicular to the display panel of the electronic device to form a "zigzag" structure. Like this, flexible circuit board 3 is through the design of bending for there is the deviation in the position of at least partial second part 32 and fingerprint body 1, and under the condition that fingerprint body 1 was pressed, the produced stress of pressing can not act on second part 32, and second part 32 can play the effect of buffering promptly, thereby can improve flexible circuit board 3 and easily take place cracked problem. Meanwhile, the second portion 32 needs the flexible circuit board 3 with a certain length to form, and the bending design can reduce the length of the accommodating space of the flexible circuit board 3 extending into the shell 100, so that the groove space of the shell 100 occupied by the fingerprint module can be reduced to a certain extent.

In addition, fixed subassembly 4 can be through and towards the spacing setting of second opening 103 and reinforcement subassembly 2, realize being fixed in the accommodation space of casing 100 with the fingerprint module in, simple structure, simple to operate are swift.

Optionally, in some embodiments, the fingerprint module may further include:

and the power metal dome 5 is arranged in the accommodating space, the power metal dome 5 is arranged on the third side face, and the power metal dome 5 is connected with the first part 31 attached to the third side face.

It is understood that the fingerprint recognition function and the power switch function of the electronic device may be integrated into one key in order to reduce the opening of the housing 100. Based on this, in this embodiment, as shown in fig. 2, the fingerprint module may further include a power dome 5, and the power dome 5 may be located on the third side of the reinforcing component 2 and connected to the first portion 31.

Like this, on the one hand, can be in the same place electronic equipment's fingerprint identification function and switch function integration, promptly when pressing fingerprint body 1, can open electronic equipment and carry out fingerprint identification simultaneously in order to unblock this electronic equipment, effectively reduced user's operation, improve the convenience of using electronic equipment, and reduced the trompil on the casing 100, improved the waterproof dirt-proof performance of electronic equipment. On the other hand, the power dome 5 and the fingerprint body 1 can share one flexible circuit board 3, so that the assembly complexity can be reduced, the space utilization rate of the whole mainboard is improved, and the cost is reduced.

Optionally, in some embodiments, the fingerprint module may further include:

the elastic sheet 6 is arranged in the accommodating space, and the elastic sheet 6 is opposite to the power metal dome 5.

In this embodiment, as shown in fig. 1, the fingerprint module can also include the flexure strip 6, and this flexure strip 6 can just be set up with power dome piece 5, and like this, the user when pressing fingerprint body 1 and then when realizing the switch function, flexure strip 6 can effectively improve and press the feeling. For example, the elastic sheet 6 may be made of Thermoplastic polyurethane elastomer (TPU), the elastic sheet 6 may be embedded in the accommodating space of the housing 100 by means of glue or the like, then the flexible circuit board 3 may penetrate through the first opening 102 on the housing 100, the power dome 5 is also installed in the accommodating space of the housing 100, and the position corresponds to the position of the elastic sheet 6, so as to increase the resilience of the power dome 5 and improve the pressing hand feeling.

Optionally, in some embodiments, a slope 22 is provided at a junction of the first side surface and the second side surface, and at a junction of the second side surface and the third side surface, wherein the slope 22 has a gap with the first portion 31.

As shown in fig. 2 and 3, the corners of the reinforcing member 2 (i.e., the connection between the first side surface and the second side surface and the connection between the second side surface and the third side surface) may be provided with a slope 22, and the slope 22 has a gap with the first portion 31, in other words, the first portion 31 does not contact the slope 22. It can be understood that, generally, the stress at the corner is concentrated compared with the stress at other positions, and the stress applied to the corner of the reinforcing member 2 by the first portion 31 can be effectively reduced by the inclined surface 22, so as to avoid the problem of the fingerprint module function failure caused by the damage of the flexible circuit board 3.

Optionally, in some embodiments, the length of the first side is greater than the length of the third side, wherein a projection of the third side onto a plane of the first side does not coincide with a projection of the second portion 32 onto a plane of the first side.

As shown in fig. 2 and 3, in this embodiment, the first side of the reinforcing assembly 2 may have a different length from the third side, and the first side may be longer than the third side, so that the projection of the third side onto the plane of the first side does not coincide with the projection of the second portion 32 onto the plane of the first side. In other words, the reinforcing member 2 has a notch at the position of the second portion 32, so that the second portion 32 may not be supported by the reinforcing member 2.

Thus, under the condition that the user presses the fingerprint body 1, the second part 32 is not abutted by the reinforcing component 2, the gap of the reinforcing component 2 provides a space for absorbing the pressing force for the second part 32, the pressing stress applied to the second part 32 is effectively reduced, and the condition that the flexible circuit board 3 is easy to break due to long-term pressing is further improved.

Optionally, in some embodiments, the third side surface is provided with a positioning column 21, and the first portion 31 is provided with a positioning hole, and the positioning hole is limited by the positioning column 21.

As shown in fig. 2, in the present embodiment, a positioning column 21 may be disposed on the third side of the reinforcing component 2, and the positioning column 21 is matched with the positioning hole formed in the first portion 31, that is, the positioning column 21 is disposed in the positioning hole, so as to play a role of positioning the flexible circuit board 3.

It can be understood that the number of the positioning columns 21 can be multiple, the number of the positioning holes is the same as that of the positioning columns 21, and the positioning holes and the positioning columns 21 are in one-to-one corresponding limiting arrangement, so that the situation that the position of the flexible circuit board 3 is deviated due to the fact that the flexible circuit board 3 can rotate around one positioning column 21 can be avoided, and the position accuracy of the flexible circuit board 3 can be effectively improved.

In some examples, the positioning column 21 may be fixed to the reinforcing component 2 by welding, and in other examples, the positioning column 21 may be integrally formed with the reinforcing component 2 in order to ensure the connection strength between the positioning column 21 and the reinforcing component 2.

In some examples, the position of the positioning post 21 corresponds to the mounting position of the power dome 5. As shown in fig. 2, the position of the positioning column 21 may be flush with one side edge of the installation position of the power metal dome 5, so that when the power metal dome 5 is installed, one end of the power metal dome 5 may correspond to the position of the positioning column 21, thereby ensuring the position accuracy of the power metal dome 5.

It can be understood that, if the number of the positioning columns 21 is multiple, the specific distribution positions of the positioning columns 21 may be designed according to actual requirements, for example, the positioning columns may be uniformly distributed on one side of the power metal dome 5, or may be distributed on both sides of the power metal dome 5, which is not limited specifically herein. In some examples, the positioning pillars 21 may be all located on a first side of the power dome 5, on which the antenna assembly 101 is located on the housing 100, and the first side may be a side away from the antenna assembly 101.

The positioning column 21 is usually made of metal, and the housing 100 of the electronic device is usually provided with the antenna assembly 101, and the metal positioning column 21 may affect the clearance of the antenna assembly 101, thereby affecting the signals of the electronic device. Based on this, as shown in fig. 1 and fig. 2, the positioning pillars 21 may be located on a first side of the power dome 5, and the first side is a side far from the antenna assembly 101, so that the influence of the positioning pillars 21 made of metal on the clearance of the antenna assembly 101 may be reduced to some extent, and the signal of the electronic device is ensured.

Optionally, in some embodiments, the stiffening assembly 2 may comprise:

the metal reinforcement 23, the metal reinforcement 23 is arranged on one side close to the fingerprint body 1;

the flexible circuit board reinforcement 24 is arranged on one side of the metal reinforcement 23, which is far away from the fingerprint body 1.

It can be understood that, based on the strength requirement of the fingerprint body 1, the portion of the reinforcing member 2 for supporting the fingerprint body 1 is usually made of metal. Based on this, as shown in fig. 1 and fig. 3, the reinforcement component 2 in the present embodiment may include a metal reinforcement 23 and a flexible circuit board reinforcement 24, wherein the metal reinforcement 23 is disposed at a side close to the fingerprint body 1 to provide sufficient supporting strength for the fingerprint body 1. The flexible circuit board reinforcement 24 may be disposed on a side of the metal reinforcement 23 away from the fingerprint body 1, and mainly provides a supporting force for the flexible circuit board 3, and may be made of a metal material, or other materials with higher hardness, such as rubber and plastic, and the like, and the present disclosure is not limited specifically.

In some examples, the flexible circuit board reinforcement 24 is made of FR-4 material. As mentioned above, metal may adversely affect the antenna assembly 101 in the electronic device, and based on this, the flexible circuit board reinforcement 24 may be made of FR-4 material, which may increase the clearance of the antenna assembly 101 on one hand and reduce the weight of the fingerprint module on the other hand.

Optionally, in some embodiments, the flexible circuit board reinforcement 24 is provided with a through hole, the positioning pillar 21 is disposed on the metal reinforcement 23, and the positioning pillar 21 protrudes out of the flexible circuit board reinforcement 24 through the through hole.

As shown in fig. 2, as mentioned above, the flexible circuit board reinforcement 24 can be made of non-metal material, and the positioning posts 21 are often made of metal material for the purpose of increasing the clearance of the antenna assembly 101 of the electronic device and reducing the weight of the fingerprint module. Based on this, the positioning column 21 can be disposed on the metal reinforcement 23, and passes through the through hole of the flexible circuit board reinforcement 24 to protrude from the flexible circuit board reinforcement 24, so as to be limited with the positioning hole of the first portion 31 in the following. Thus, the connection strength of the positioning column 21 is effectively ensured.

Optionally, in some embodiments, the reinforcing member 2 has a slot 231, and the fixing member 4 is a pin, and the pin is disposed in a position limited by the slot 231.

As shown in fig. 2 and 3, a slot 231 may be formed on the reinforcing component 2, and a position of the slot 231 in the accommodating space may correspond to an installation position of the fixing component 4. The fixing element 4 may be a pin, and the pin can be inserted into the second opening 103 to be matched with the slot 231, so as to fix the fingerprint module in the accommodating space of the housing 100. Like this, the fingerprint module is when installing in casing 100, and the assembly process is simple convenient, and whole process is lower to the requirement of position accuracy, has effectively improved the installation effectiveness of fingerprint module, and the simple structure of bolt is less in addition, and the size is less, has further reduced the space occupancy of fingerprint module.

Optionally, in some embodiments, the latch includes a plastic main body 41 and a metal insert 42, the metal insert 42 is disposed on the plastic main body 41, and the metal insert 42 is located in the slot 231.

It is understood that, in order to increase the clearance of the antenna assembly 101 of the electronic device and avoid the problem that the plug is prone to be broken, as shown in fig. 1, in the present embodiment, the plug may include a plastic body 41 and a metal insert 42. Wherein, plastic main part 41 and metal inserted sheet 42 can link together through modes such as moulding plastics, and metal inserted sheet 42 can be located slotted hole 231, realizes fixed subassembly 4 and reinforcement subassembly 2's spacing cooperation to play the effect of being fixed in the accommodation space of casing 100 with the fingerprint module.

Other configurations, such as a camera module, a power module, and the like, and operations of the electronic apparatus according to the embodiments of the present application are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An electronic device, comprising:

the fingerprint module comprises a fingerprint body, a reinforcing component, a flexible circuit board and a fixing component, the shell is provided with an accommodating space, two adjacent side walls of the shell are respectively provided with a first opening and a second opening,

the reinforcing component is arranged in the accommodating space and comprises a first side surface, a second side surface and a third side surface which are sequentially connected, the first side surface and the third side surface are two opposite side surfaces, the fingerprint body is positioned on the first side surface, and the fingerprint body faces the first opening;

the flexible circuit board comprises a first part and a second part which are sequentially connected, the first part is connected with the fingerprint body, the first part is arranged on the first side face, the second side face and the third side face, the second part extends out of the accommodating space through the second opening, and at least part of the second part is positioned outside the projection of the fingerprint body on the plane where the first side face is positioned;

the fixing component is arranged in the accommodating space, the fixing component and the reinforcing component are arranged in a limiting mode, and the fixing component faces towards the second opening.

2. The electronic device of claim 1, wherein the fingerprint module further comprises:

and the power metal dome sheet is arranged in the accommodating space, the power metal dome sheet is arranged on the third side surface, and the power metal dome sheet is attached to the third side surface and connected with the first part.

3. The electronic device of claim 2, wherein the fingerprint module further comprises:

the elastic piece is arranged in the accommodating space and is opposite to the power supply metal dome.

4. The electronic device according to claim 1, wherein a junction of the first side surface and the second side surface, and a junction of the second side surface and the third side surface are provided with a slope, wherein the slope has a gap from the first portion.

5. The electronic device of claim 1, wherein a length of the first side is greater than a length of the third side, wherein a projection of the third side onto a plane of the first side does not coincide with a projection of the second portion onto the plane of the first side.

6. The electronic device according to claim 1, wherein the third side is provided with a positioning column, the first portion is provided with a positioning hole, and the positioning hole and the positioning column are limited.

7. The electronic device of claim 6, wherein the reinforcement component comprises:

the metal reinforcement is arranged on one side close to the fingerprint body;

and the flexible circuit board is reinforced, and the flexible circuit board is reinforced and arranged on one side of the metal reinforcement, which deviates from the fingerprint body.

8. The electronic device of claim 7, wherein the flexible circuit board reinforcement has a through hole, the positioning post is disposed on the metal reinforcement, and the positioning post protrudes out of the flexible circuit board reinforcement through the through hole.

9. The electronic device of claim 1, wherein the reinforcing component has a slot, the fixing component is a pin, and the pin and the slot are disposed in a limited manner.

10. The electronic device of claim 9, wherein the pin comprises a plastic body and a metal insert, the metal insert is disposed on the plastic body, and the metal insert is located in the slot.

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