CN110392148B - Electronic device - Google Patents
Electronic device Download PDFInfo
- Publication number
- CN110392148B CN110392148B CN201910664987.XA CN201910664987A CN110392148B CN 110392148 B CN110392148 B CN 110392148B CN 201910664987 A CN201910664987 A CN 201910664987A CN 110392148 B CN110392148 B CN 110392148B
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- CN
- China
- Prior art keywords
- fingerprint identification
- identification module
- piezoceramics
- display screen
- sound production
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
Abstract
The application discloses electronic equipment includes: a circuit board; the display screen is electrically connected with the circuit board and is provided with a preset fingerprint identification area; the fingerprint identification module is electrically connected with the circuit board, is arranged on the inner side of the display screen and is opposite to the preset fingerprint identification area; piezoceramics sound production piece, piezoceramics sound production piece through anodal lead wire and negative pole lead wire with the circuit board electricity is connected, piezoceramics sound production piece is established keeping away from of fingerprint identification module one side of display screen or piezoceramics sound production piece at least part encircles the fingerprint identification module. According to the electronic equipment of this application, need not trompil on the display screen, can realize the full screen design of display screen, waterproof dustproof effectual moreover, improved the reliability that fingerprint identification module and piezoceramics sound production piece used, be favorable to optimizing electronic equipment's structural layout.
Description
Technical Field
The present application relates to the field of electronic devices, and in particular, to an electronic device.
Background
In the related art, the structural layout of the electronic device is unreasonable, and a hole needs to be formed in a display screen of the electronic device to reserve a sound transmission channel, which is not favorable for full-screen design of the electronic device.
Disclosure of Invention
An object of the present application is to provide an electronic device, which can implement a full screen design.
According to the electronic equipment of this application embodiment, include: a circuit board; the display screen is electrically connected with the circuit board and is provided with a preset fingerprint identification area; the fingerprint identification module is electrically connected with the circuit board, is arranged on the inner side of the display screen and is opposite to the preset fingerprint identification area; piezoceramics sound production piece, piezoceramics sound production piece through anodal lead wire and negative pole lead wire with the circuit board electricity is connected, piezoceramics sound production piece is established keeping away from of fingerprint identification module one side of display screen or piezoceramics sound production piece at least part encircles the fingerprint identification module.
According to the electronic equipment of this application embodiment, through setting up piezoceramics sound production piece, establish the inboard at the display screen with the fingerprint identification module simultaneously to need not trompil on the display screen, can realize the full screen design of display screen, waterproof dustproof effectual has improved the reliability that fingerprint identification module and piezoceramics sound production piece used moreover. In addition, establish the piezoceramics sound production piece in the one side of keeping away from the display screen of fingerprint identification module or piezoceramics sound production piece at least partially encircle the fingerprint identification module to space around the make full use of fingerprint identification module is favorable to optimizing electronic equipment's structural configuration.
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 view of an electronic device according to some embodiments of the present application;
FIG. 2 is a cross-sectional schematic view of an electronic device according to some embodiments of the present application;
FIG. 3 is a schematic cross-sectional view of an electronic device according to further embodiments of the present application;
fig. 4 is a schematic diagram of an electronic device according to an embodiment of the present application, where the electronic device is a mobile phone.
Reference numerals:
an electronic device 100;
a display screen 1; presetting a fingerprint identification area 11;
a fingerprint identification module 2;
a piezoelectric ceramic sounding member 3; a mounting groove 31; mounting holes 32; an abutting piece 33; a boss 34;
a circuit board 4;
and an adhesive layer 5.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
An electronic apparatus 100 according to an embodiment of the present application is described below with reference to the drawings.
As shown in fig. 1, an electronic device 100 according to an embodiment of the present application may include a circuit board 4, a display screen 1, a fingerprint recognition module 2, a middle frame (not shown), and a piezoelectric ceramic sounding element 3.
Specifically, the display screen 1 is arranged on the middle frame, the circuit board 4 is arranged on one side of the middle frame far away from the display screen 1, and the display screen 1 is electrically connected with the circuit board 4. For example, the middle frame is formed with a wire through hole through which the wire of the display screen 1 is connected to the circuit board 4.
As shown in fig. 2 and 3, the display screen 1 has a preset fingerprint identification area 11, and the fingerprint identification module 2 is just right to the preset fingerprint identification area 11. From this, fingerprint identification module 2 is fingerprint identification module 2 under the screen, can realize the full screen design of display screen 1.
Specifically, for example, when the finger of the user is placed in the preset fingerprint identification area 11, the fingerprint identification module 2 may identify the fingerprint of the user, so as to facilitate the functions of unlocking the electronic device 100, electronic payment, and the like.
Optionally, fingerprint identification module 2 can be ultrasonic fingerprint identification module or optics fingerprint identification module. The specific structure and operation of the fingerprint recognition module 2 are well known to those skilled in the art and will not be described in detail herein.
The piezoelectric ceramic sounding part 3 is electrically connected with the circuit board 4 through the anode lead and the cathode lead, namely, the piezoelectric ceramic sounding part 3 has an anode and a cathode, the anode of the piezoelectric ceramic sounding part 3 is connected to the circuit board 4 through the anode lead, and the cathode of the piezoelectric ceramic sounding part 3 is connected to the circuit board 4 through the cathode lead, so that the piezoelectric ceramic sounding part 3 is electrically connected with the circuit board 4.
Piezoceramics sound production piece 3 establishes at fingerprint identification module 2 keep away from one side of display screen 1 or piezoceramics sound production piece 3 at least part encircles fingerprint identification module 2. For example, the piezoceramic sound generating element 3 is located between the fingerprint identification module 2 and the middle frame.
Particularly, when piezoceramics sound production piece 3 was fed audio frequency alternating current signal, piezoceramics sound production piece 3 can produce corresponding deformation to produce the vibration, the vibration of piezoceramics sound production piece 3 can drive fingerprint identification module 2 and display screen 1 and vibrate, thereby send the sound signal that the people's ear can receive.
From this, through setting up piezoceramics sound production piece 3, establish the inboard at display screen 1 with fingerprint identification module 2 simultaneously to need not trompil on display screen 1, can realize the full screen design of display screen 1, waterproof dustproof effectual has improved the reliability that fingerprint identification module 2 and piezoceramics sound production piece 3 used moreover. In addition, establish piezoceramics sound production piece 3 in the one side of keeping away from display screen 1 of fingerprint identification module 2 or piezoceramics sound production piece 3 at least partially encircle fingerprint identification module 2 to but make full use of fingerprint identification module 2 space on every side is favorable to optimizing electronic equipment 100's structural configuration. In addition, because fingerprint identification module 2 establishes the lower part at display screen 1, will establish piezoceramics sound production piece 3 in one side of keeping away from display screen 1 of fingerprint identification module 2 or piezoceramics sound production piece 3 at least part encircle fingerprint identification module 2, thereby piezoceramics sound production piece 3 also is located the lower part of display screen 1, when piezoceramics sound production piece 3 is the earphone, piezoceramics sound production piece 3 can be apart from user's certain distance of ear, piezoceramics sound production piece 3 is more near apart from user's mouth, can avoid the bad influence that causes user's ear and face because of lasting vibration at long-time conversation in-process like this.
The working principle of the piezo-ceramic sound generating element 3 is well known to those skilled in the art and will not be described in detail here.
According to electronic equipment 100 of this application embodiment, through setting up piezoceramics sound production piece 3, establish the inboard at display screen 1 with fingerprint identification module 2 simultaneously to need not trompil on display screen 1, can realize the full-screen design of display screen 1, waterproof dustproof effectual has improved the reliability that fingerprint identification module 2 and piezoceramics sound production piece 3 used moreover. In addition, establish piezoceramics sound production piece 3 in the one side of keeping away from display screen 1 of fingerprint identification module 2 or piezoceramics sound production piece 3 at least partially encircle fingerprint identification module 2 to but make full use of fingerprint identification module 2 space on every side is favorable to optimizing electronic equipment 100's structural configuration. In addition, because fingerprint identification module 2 establishes the lower part at display screen 1, will establish piezoceramics sound production piece 3 in one side of keeping away from display screen 1 of fingerprint identification module 2 or piezoceramics sound production piece 3 at least part encircle fingerprint identification module 2, thereby piezoceramics sound production piece 3 also is located the lower part of display screen 1, when piezoceramics sound production piece 3 is the earphone, piezoceramics sound production piece 3 can be apart from user's certain distance of ear, piezoceramics sound production piece 3 is more near apart from user's mouth, can avoid the bad influence that causes user's ear and face because of lasting vibration at long-time conversation in-process like this.
In short, according to electronic equipment 100 of this application embodiment, need not trompil on display screen 1, can realize the full screen design of display screen 1, waterproof dustproof effectual, improved the reliability that fingerprint identification module 2 and piezoceramics sound production piece 3 used, electronic equipment 100's structural layout is more reasonable.
According to some embodiments of this application, the side surface in the face of display screen 1 of piezoceramics sound production piece 3 is equipped with mounting groove 31, and fingerprint identification module 2 inlays to be established in mounting groove 31, that is to say, piezoceramics sound production piece 3 establishes in one side of fingerprint identification module 2 of keeping away from display screen 1 and is located between fingerprint identification module 1 and the center, and the side surface in the face of display screen of piezoceramics sound production piece 3 is equipped with mounting groove 31, and fingerprint identification module 2 inlays to be established in mounting groove 31. From this, not only made things convenient for the location installation between piezoceramics sound production piece 3 and the fingerprint identification module 2, on the basis that piezoceramics sound production piece 3 links to each other with fingerprint identification module 2, still be favorable to realizing being connected of piezoceramics sound production piece 3 and display screen 1 moreover, improved piezoceramics sound production piece 3's vibration transmission effect.
Alternatively, as shown in fig. 2, the piezoceramic sound generating element 3 is connected to the display screen 1 through an adhesive layer 5. Specifically, the end face of the open end of the mounting groove 31 (i.e., the remaining portion of the surface of the piezo ceramic sounding member 3 facing the display panel 1 excluding the mounting groove 31) is connected to the display panel 1 via the adhesive layer 5. From this, be favorable to improving the reliability between piezoceramics sound production piece 3 and the display screen 1, viscose layer 5 has certain elasticity moreover, and when piezoceramics sound production piece 3 vibrated, viscose layer 5 can also improve the low frequency effect of piezoceramics sound production piece 3.
Optionally, the adhesive layer 5 is a foam adhesive layer or a double-sided adhesive layer. Therefore, the cost is low, and the elasticity is good.
According to some embodiments of the application, be equipped with the mounting hole 32 that runs through piezoceramics sound production 3 on piezoceramics sound production 3, mounting hole 32 just right with presetting fingerprint identification region 11, and fingerprint identification module 2 inlays to be established in mounting hole 32. From this, not only made things convenient for the location installation between piezoceramics sound production piece 3 and the fingerprint identification module 2, on the basis that piezoceramics sound production piece 3 links to each other with fingerprint identification module 2, still be favorable to realizing being connected of piezoceramics sound production piece 3 and display screen 1 moreover, improved piezoceramics sound production piece 3's vibration transmission effect.
Alternatively, as shown in fig. 3, the end face of the mounting hole 32 adjacent to one end of the display screen 1 (i.e., the remaining portion of the surface of the piezoelectric ceramic sounding member 3 facing the display screen 1 excluding the mounting hole 32) is connected to the display screen 1 through the adhesive layer 5. From this, be favorable to improving the reliability between piezoceramics sound production piece 3 and the display screen 1, viscose layer 5 has certain elasticity moreover, and when piezoceramics sound production piece 3 vibrated, viscose layer 5 can also improve the low frequency effect of piezoceramics sound production piece 3.
According to some embodiments of the present application, as shown in fig. 3, the abutting pieces 33 are respectively disposed on the end surfaces of the two axial ends of the mounting hole 32, the abutting pieces 33 are rotatable relative to the piezoelectric ceramic sounding part 3, specifically, the abutting pieces 33 are rotatable in a plane perpendicular to the central axis of the mounting hole 32, and when the fingerprint identification module 2 is located in the mounting hole 32, the abutting pieces 33 rotate to stop abutting against the outer peripheral wall of the fingerprint identification module 2. From this, be favorable to improving the connection reliability between fingerprint identification module 2 and the piezoceramics sound production piece 3.
Particularly, before installing fingerprint identification module 2 in mounting hole 32 in needs, can rotate butt piece 33 to the terminal surface department that is located mounting hole 32 to be convenient for install fingerprint identification module 2 in mounting hole 32, when fingerprint identification module 2 is located mounting hole 32, can rotate the butt to ending with fingerprint identification module 2's periphery wall.
Optionally, be equipped with the spacing groove on the periphery wall of fingerprint identification module 2, the one end of butt piece 33 can block at the spacing inslot. From this, be favorable to improving the reliability of butt piece 33 and fingerprint identification module 2 complex.
Because the both ends of fingerprint identification module 2 are exposed from mounting hole 32 respectively, the one end of keeping away from display screen 1 of fingerprint identification module 2 can be installed on the center, the one end of the neighbouring display screen 1 of fingerprint identification module 2 can with display screen 1 butt, one side of the neighbouring display screen 1 of piezoceramics sound production piece 3 can be equipped with viscose layer 5, viscose layer 5 covers the butt piece 33 of neighbouring display screen 1 and is located between display screen 1 and the piezoceramics sound production piece 3, thereby further improve piezoceramics sound production piece 3 and fingerprint identification module 2's installation reliability.
Optionally, protruding columns 34 are respectively formed on end faces of two axial ends of the mounting hole 32, a pivot hole matched with the protruding column 34 is formed on the abutting sheet 33, the pivot hole can be sleeved on the protruding column 34, and the abutting sheet 33 can rotate relative to the piezoelectric ceramic sounding element 3 through matching of the protruding column 34 and the pivot hole. Therefore, the structure is simple, and the processing and the manufacturing are convenient.
Specifically, the size of the outer diameter of the convex column 34 is D, the size of the inner diameter of the pivot hole is D, and D and D satisfy: d ═ 98% -99.5% D. For example, D is 98.5% D, 99% D. From this, when butt piece 33 rotates relative projection 34, can have the pretightning force, just can drive butt piece 33 and rotate under the exogenic action to can avoid when butt piece 33 butt to the periphery wall of fingerprint identification module 2, butt piece 33 is rebounded by the opposite direction, is favorable to improving butt effect of butt piece 33.
Optionally, the post 34 is made of a piezoelectric ceramic material. Specifically, the convex column 34 and the piezoelectric ceramic sounding part 3 are made of the same material, and the convex column 34 and the piezoelectric ceramic sounding part 3 are integrally formed, so that the production process is simplified, the production cost is reduced, and the connection strength between the convex column 34 and the piezoelectric ceramic sounding part 3 is improved.
According to some embodiments of the application, be equipped with the bubble celloidin layer between fingerprint identification module 2 and piezoceramics sound production piece 3. That is to say, fingerprint identification module 2 and piezoceramics sound production piece 3 just right surface and piezoceramics sound production piece between be equipped with the bubble celloidin layer, like this, bubble celloidin layer can play the effect of buffering, is favorable to improving the reliability of being connected between fingerprint identification module 2 and the piezoceramics sound production piece 3, avoids falling the damage.
In some embodiments of the present application, the electronic device 100 further includes an elastic metal sheet connected to the piezoelectric ceramic sounding part 3, so that when the piezoelectric ceramic sounding part 3 is fed with the audio ac signal, the elastic metal sheet and the piezoelectric ceramic sounding part 3 vibrate simultaneously, which is beneficial to improving the vibration effect.
Specifically, the elastic metal piece is connected to the outer peripheral wall of the piezoelectric ceramic sounding member 3. Thus, the structure is simple.
Optionally, the piezoceramic sound generating element 3 is an earpiece or a speaker. Thus, the structure is simple.
The electronic device 100 may be any device that has a battery built therein and can charge the battery by taking current from the outside, such as a mobile phone and a tablet computer. The mobile phone (as shown in fig. 4) is only an example of the electronic device 100, and the application is not particularly limited, and the application may be applied to the electronic device 100 such as a mobile phone and a tablet computer, and the application is not limited thereto.
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 (9)
1. An electronic device, comprising:
a circuit board;
the display screen is electrically connected with the circuit board and is provided with a preset fingerprint identification area;
the fingerprint identification module is electrically connected with the circuit board, is arranged on the inner side of the display screen and is opposite to the preset fingerprint identification area;
piezoceramics sound production piece, piezoceramics sound production piece through anodal lead wire and negative pole lead wire with the circuit board electricity is connected, piezoceramics sound production piece is established keeping away from of fingerprint identification module one side of display screen or piezoceramics sound production piece at least part encircles the fingerprint identification module, piezoceramics sound production piece with link to each other through the viscose layer between the display screen.
2. The electronic device of claim 1, wherein a mounting groove is formed on a surface of the piezoelectric ceramic sounding part facing the display screen, and the fingerprint identification module is embedded in the mounting groove.
3. The electronic device of claim 1, wherein the piezo-electric ceramic sounding element is provided with a mounting hole penetrating through the piezo-electric ceramic sounding element, and the fingerprint identification module is embedded in the mounting hole.
4. The electronic device according to claim 3, wherein abutting pieces are respectively arranged on end faces of two axial ends of the mounting hole, the abutting pieces are rotatable relative to the piezoelectric ceramic sounding part, and when the fingerprint identification module is located in the mounting hole, the abutting pieces rotate to stop abutting against the outer peripheral wall of the fingerprint identification module.
5. The electronic device according to claim 4, wherein protruding columns are respectively formed on end faces of two axial ends of the mounting hole, and a pivot hole matched with the protruding column is formed on the abutting sheet.
6. The electronic device of claim 5, wherein an outer diameter of the boss is sized as D, an inner diameter of the pivot hole is sized as D, and D and D satisfy: d ═ 98% -99.5% D.
7. The electronic device of claim 5, wherein the boss and the piezoceramic sound generating element are an integrally formed part.
8. The electronic device of claim 1, wherein a foam adhesive layer is disposed between the fingerprint identification module and the piezoelectric ceramic sounding element.
9. The electronic device of any of claims 1-8, wherein the piezo ceramic sound emitting element is an earpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910664987.XA CN110392148B (en) | 2019-07-23 | 2019-07-23 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910664987.XA CN110392148B (en) | 2019-07-23 | 2019-07-23 | Electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110392148A CN110392148A (en) | 2019-10-29 |
| CN110392148B true CN110392148B (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910664987.XA Active CN110392148B (en) | 2019-07-23 | 2019-07-23 | Electronic device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110392148B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101796660B1 (en) * | 2016-04-19 | 2017-11-10 | 삼성전자주식회사 | Electronic device for supporting the fingerprint verification and operating method thereof |
| CN207926673U (en) * | 2018-04-03 | 2018-09-28 | 信利光电股份有限公司 | A kind of comprehensive screen mobile phone |
| CN108429840A (en) * | 2018-06-22 | 2018-08-21 | Oppo广东移动通信有限公司 | A kind of electronic equipment |
| CN108833628A (en) * | 2018-06-26 | 2018-11-16 | Oppo广东移动通信有限公司 | A kind of mobile terminal |
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2019
- 2019-07-23 CN CN201910664987.XA patent/CN110392148B/en active Active
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| CN110392148A (en) | 2019-10-29 |
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