CN207123853U - Rearmounted fingerprint recognition component and mobile terminal - Google Patents
Rearmounted fingerprint recognition component and mobile terminal Download PDFInfo
- Publication number
- CN207123853U CN207123853U CN201721228407.5U CN201721228407U CN207123853U CN 207123853 U CN207123853 U CN 207123853U CN 201721228407 U CN201721228407 U CN 201721228407U CN 207123853 U CN207123853 U CN 207123853U
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- CN
- China
- Prior art keywords
- fingerprint recognition
- recognition component
- rearmounted
- fingerprint sensor
- rosette
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of rearmounted fingerprint recognition component and mobile terminal, rearmounted fingerprint recognition component includes rear shell, rosette and fingerprint sensor.Rear shell include substrate and and the side wall that extends from the edge of substrate, substrate include outer surface and inner surface, substrate offers the installation through-hole through inner surface and outer surface；Rosette is contained in installation through-hole.Fingerprint sensor is contained in installation through-hole, and the top perimeter of fingerprint sensor forms fluted, and rosette is fixed and is housed in groove.The size that rearmounted the fingerprint recognition component and mobile terminal of the utility model embodiment can increase display screen is advantageous to Consumer's Experience to improve the screen accounting of mobile terminal.Rosette, which is housed in the groove of fingerprint sensor, make it that the structure of fingerprint sensor and rosette is compacter.
Description
Technical field
It the utility model is related to field of terminal, more particularly to a kind of rearmounted fingerprint recognition component and mobile terminal.
Background technology
In the related art, fingerprint recognition module is arranged on the glass cover-plate of the mobile terminals such as mobile phone, fingerprint recognition mould
Group is set up in parallel in the vertical with display screen, is caused the screen accounting of mobile terminal small, is unfavorable for Consumer's Experience.
Utility model content
The utility model embodiment provides a kind of rearmounted fingerprint recognition component and mobile terminal.
The rearmounted fingerprint recognition component of the utility model embodiment includes rear shell, rosette and fingerprint sensor.It is described
Rear shell include substrate and and the side wall that extends from the edge of the substrate, the substrate include outer surface and inner surface, the base
Plate offers the installation through-hole through the inner surface and the outer surface；The rosette is contained in the installation through-hole.
The fingerprint sensor is contained in the installation through-hole, and the top perimeter of the fingerprint sensor forms fluted, the dress
Circlets is fixed and is housed in the groove.
In some embodiments, the lateral surface of the rosette is concordant with the side of the fingerprint sensor.
In some embodiments, the rosette includes tilting towards in the rosette and to the fingerprint sensor
Guide ramp.
In some embodiments, the fingerprint sensor includes fingerprint recognition chip and encapsulates the fingerprint recognition chip
Packaging body, the top perimeter of the packaging body is formed with the groove.
In some embodiments, the rearmounted fingerprint recognition component includes the flexible circuit for connecting the fingerprint sensor
Plate.
In some embodiments, the rearmounted fingerprint recognition component includes being fixed on the reinforcement of the flexible PCB
Plate, the stiffening plate and the fingerprint sensor respectively positioned at the opposite both sides of the flexible PCB, the stiffening plate against
And fix on the internal surface.
In some embodiments, the stiffening plate by way of being bonded or welding against and be fixed on the inner surface
On.
In some embodiments, the rearmounted fingerprint recognition component includes the master positioned at side corresponding to the inner surface
Circuit board, the flexible PCB are connected with the main circuit board.
In some embodiments, the orthographic projection of the main circuit board on the internal surface covers the fingerprint sensing
Device.
The mobile terminal of the utility model embodiment includes the rearmounted fingerprint recognition group described in any of the above embodiment
Part and battery, the battery are located at side corresponding to the inner surface, and the battery electrically connects with the fingerprint sensor.
In rearmounted the fingerprint recognition component and mobile terminal of the utility model embodiment, because fingerprint sensor is arranged on
In rear shell, fingerprint sensor is avoided to be set up in parallel in the vertical with display screen, so as to increase the size of display screen to improve
The screen accounting of mobile terminal, is advantageous to Consumer's Experience.In addition, rosette is housed in the groove of fingerprint sensor fingerprint is passed
The structure of sensor and rosette is compacter.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
In description of the of the present utility model above-mentioned and/or additional aspect and advantage from combination accompanying drawings below to embodiment
It will be apparent and be readily appreciated that, wherein：
Fig. 1 is the schematic rear view of the mobile terminal of the utility model embodiment；
Fig. 2 be Fig. 1 mobile terminal II-II to schematic cross-section；
Fig. 3 is the front-view schematic diagram of the mobile terminal of the utility model embodiment.
Main element symbol description：
It is rearmounted fingerprint recognition component 100, the first colloid 102, the second colloid 104, mobile terminal 200, display screen 201, aobvious
Show area 202, non-display area 204, flash lamp 206, receiver 207；
Rear shell 10, substrate 11, outer surface 111, inner surface 112, side wall 12, installation through-hole 13, the side of installation through-hole 13
131；
Rosette 20, guide ramp 21, the lateral surface 22 of rosette 20；
Fingerprint sensor 30, fingerprint recognition chip 31, packaging body 32, groove 301, the side 302 of fingerprint sensor 30；
Flexible PCB 40；
Stiffening plate 50；
Main circuit board 60.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein
Same or similar label represents same or similar element or the element with same or like function from beginning to end.Lead to below
It is exemplary to cross the embodiment being described with reference to the drawings, and is only used for explaining the utility model, and it is not intended that to this practicality
New limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for
Be easy to describe the utility model and simplify to describe, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ",
" second " is only used for describing purpose, and it is not intended that indicating or implying relative importance or imply the technology indicated by indicating
The quantity of feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly include one or more
The feature.In description of the present utility model, " multiple " are meant that two or more, unless otherwise clearly specific
Limit.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；It can be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also be in
Between medium be indirectly connected, can be connection or the interaction relationship of two elements of two element internals.For this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing different structure of the present utility model.
In order to simplify disclosure of the present utility model, hereinafter the part and setting of specific examples are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relation between setting.In addition, various specific techniques and the example of material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
Fig. 1 and Fig. 2 is referred to, the rearmounted fingerprint recognition component 100 of the utility model embodiment includes rear shell 10, decoration
Ring 20 and fingerprint sensor 30.
Rear shell 10 include substrate 11 and and the side wall 12 that extends from the edge of substrate 11, substrate 11 include the He of outer surface 111
Inner surface 112, substrate 11 offer the installation through-hole 13 through inner surface 112 and outer surface 111.
Rosette 20 is contained in installation through-hole 13.Fingerprint sensor 30 is contained in installation through-hole 13, fingerprint sensor
30 top perimeter forms fluted 301, and rosette 20 is housed and is fixed in groove 301.
Incorporated by reference to Fig. 3, the rearmounted fingerprint recognition component 100 of the utility model embodiment can be applied to mobile terminal 200,
Mobile terminal 200 is, for example, the electronic installations such as mobile phone, Intelligent worn device or tablet personal computer.It is appreciated that mobile terminal 200 wraps
Include but be not limited to the example of present embodiment.
In rearmounted the fingerprint recognition component 100 and mobile terminal 200 of the utility model embodiment, due to fingerprint sensor
30 are arranged in rear shell 10, avoid fingerprint sensor 30 from being set up in parallel in the vertical with display screen 201, so as to increase display
The size of screen 201 is advantageous to Consumer's Experience to improve the screen accounting of mobile terminal 200.In addition, rosette 20 house be fixed on it is recessed
Cause that the structure of fingerprint sensor 30 and rosette 20 is compacter in groove 301.
Specifically, in mobile terminal 200, preceding surface and the 201 corresponding region of display screen of mobile terminal 200 are display
Area 202, other regions on the preceding surface of mobile terminal 200 are non-display area 204, and the screen accounting of mobile terminal 200 refers to shifting
The ratio of the area and the area of non-display area 204 of the viewing area 202 of dynamic terminal 200.
The mobile terminal 200 of the utility model embodiment includes battery (not shown), and battery is located at the correspondence of inner surface 112
Side, battery electrically connects with fingerprint sensor 30.In this way, battery, which can be mobile terminal 200, provides electric energy.Inner surface 112
Corresponding side is the space of the direction of inner surface 112.
Mobile terminal 200 also includes flash lamp 206, and flash lamp 206 is exposed by rear shell 10, and flash lamp 206 can be to move
The dynamic back of terminal 200 supplement light, for example, user in nocturnalism, can use flash lamp 206 to illuminate the scene of surrounding.
And for example, when user is shot using the camera of mobile terminal 200, flash lamp 206 can be shooting process light filling to improve movement
The shooting quality of terminal 200.
Rear shell 10 is the covering of mobile terminal 200, and rear shell 10 covers the inner body of mobile terminal 200, for example, rear shell
10 can cover the parts such as battery.The material of rear shell 10 is, for example, plastics or metal.When the material of rear shell 10 is metal, rear shell
10 can open up the window that power supply magnetic wave passes through, and window is, for example, gap.
In order to ensure the intensity of rosette 20, it is preferred that the material of rosette 20 is metal, such as stainless steel material, from
And meet the intensity requirement of rosette 20, also with corrosion resistance, improve the life-span of rosette 20.In addition, the decoration of metal
Ring 20 can prevent electromagnetic wave from causing to do to the signal of fingerprint sensor 30 with the electromagnetic wave around shield fingerprints sensor 30
Disturb.Rosette 20 can be fixed in groove 301 by the first colloid 102.Rosette 20 and fingerprint sensor 30 can pass through second
Colloid 104 is fixedly connected with the side 131 of installation through-hole 13.
In present embodiment, rosette 20 is cylindrical.Certainly, in other embodiments, the cross section of rosette 20
Can be in other shapes, such as the shape such as side's annular or oval ring.Therefore, the shape of the rosette 20 of present embodiment
Example is it is not intended that to limitation of the present utility model.
In present embodiment, fingerprint sensor 30 can be capacitive fingerprint sensing device, or ultrasonic type fingerprint
Sensor.
In some embodiments, rosette 20 includes guide ramp 21, guide ramp 21 towards in rosette 20 and to
Fingerprint sensor 30 tilts.
In this way, the finger that guide ramp 21 can guide user smoothly enters in rosette 20 to carry out fingerprint recognition operation,
The accuracy rate that user carries out fingerprint recognition operation can be improved.Further, shinny metal level can be plated in guide ramp 21
(such as layers of chrome), so that rosette 20 is more attractive in appearance.
Specifically, guide ramp 21 is ring surface, can so facilitate user that finger is inserted into rosette 20 from all directions
It is interior to press fingerprint sensor 30, so as to carry out fingerprint recognition operation.
In some embodiments, the lateral surface 22 of rosette 20 and the side 302 of fingerprint sensor 30 are concordant.It that is to say
Say, the lateral surface 22 of rosette 20 and the side 302 of fingerprint sensor 30 are in the same plane.In this way, rosette 20 is easy
It is fixed on fingerprint sensor 30.
In some embodiments, fingerprint sensor 30 includes fingerprint recognition chip 31 and encapsulates fingerprint recognition chip 31
Packaging body 32, the top perimeter of packaging body 32 form fluted 301.
Specifically, when user carries out the operation of unlocked by fingerprint mobile terminal 200, finger can be placed on and fingerprint recognition core
Position corresponding to piece 31.The signal of fingerprint recognition chip 31, to gather the fingerprint pattern of identification user, will be used through packaging body 32
The fingerprint pattern at family is matched with the fingerprint pattern to prestore, if the match is successful, unlocks mobile terminal 200.
It is appreciated that the surface of fingerprint recognition chip 31 towards the finger of user is provided with sensor pixel array, with collection
The fingerprint pattern of user.Packaging body 32, which encapsulates fingerprint recognition chip 31, can reduce sensor pixel array when gathering fingerprint pattern
Influenceed by other interference signals, to improve the accuracy rate of identification.
It is pointed out that in present embodiment, fingerprint recognition chip 31 is silicon wafer (die), and packaging body 32 is plastic packaging
Material, such as the material of packaging body 32 is resin.
In some embodiments, rearmounted fingerprint recognition component 100 includes flexible PCB 40 and stiffening plate 50, flexible electrical
Road plate 40 connects fingerprint sensor 30.Stiffening plate 50 is fixed on flexible PCB 40, and stiffening plate 50 is distinguished with fingerprint sensor 30
The both sides opposite positioned at flexible PCB 40.Stiffening plate 50 against and be fixed on inner surface 112.
In this way, flexible PCB 40 can cause fingerprint sensor 30 to carry out data biography with outer member (such as processor)
Defeated, for example, after fingerprint sensor 30 gathers user fingerprint image, outer member can carry out feature recognition to obtain to fingerprint image
Obtain preferable fingerprint image.
Fingerprint sensor 30 can be fixed on flexible PCB 40 by way of welding, for example, fingerprint sensor 30
On formed with the first pad, pass through the first pad and second formed with the second pad, fingerprint sensor 30 on flexible PCB 40
Pad solder, so as to be weldingly fixed on flexible PCB 40.Certainly, fingerprint sensor 30 can also pass through anisotropic conductive
Glue (Anisotropic Conductive Film, ACF) is fixedly connected with flexible PCB 40.
The defects of stiffening plate 50 can prevent flexible PCB 40 from producing curling, so that can not be effective with fingerprint sensor 30
Ground connects.Therefore, stiffening plate 50 can make it that the reliability of the normal work of fingerprint sensor 30 is higher.In addition, stiffening plate 50 supports
The connection area of stiffening plate 50 and inner surface 112 can be increased by leaning on and being fixed on inner surface 112, further can prevent fingerprint from passing
Sensor 30 moves relative to rear shell 10.
In one example, when putting fingerprint recognition component 100 after assembling, the side that stiffening plate 50 first can be passed through into bonding
Formula is fixed on flexible PCB 40, is then fixed on fingerprint sensor 30 by way of welding opposite with stiffening plate 50
The side of flexible PCB 40, to form a fingerprint identification module, fingerprint identification module is finally loaded into installation outward from interior
In through hole 13, and stiffening plate 50 is resisted against on inner surface 112.
In present embodiment, contacted against against two elements are also referred to, can also refer to that two elements pass through
Other objects it is contactless against.For example, in present embodiment, stiffening plate 50 can be resisted against on inner surface 112 by colloid.
In some embodiments, stiffening plate 50 by way of being bonded or welding against and be fixed on inner surface 112.
In this way, stiffening plate 50 is easily fixed on inner surface 112.
In some embodiments, rearmounted fingerprint recognition component 100 includes the main electricity positioned at side corresponding to inner surface 112
Road plate 60, flexible PCB 40 are connected with main circuit board 60.For example, flexible PCB 40 can pass through connector and main circuit board
60 connections.
In this way, fingerprint sensor 30 can enter row data communication by flexible PCB 40 and main circuit board 60.Specifically,
The elements such as processor (not shown), receiver 207 are provided with main circuit board 60, processor is used to handle each of mobile terminal 200
Kind data, and each element manipulation of mobile terminal 200 is controlled, such as the display screen 201 of processor control mobile terminal 200 is aobvious
Show different contents.
In some embodiments, orthographic projection covering fingerprint sensor 30 of the main circuit board 60 on inner surface 112.
In this way, main circuit board 60 and fingerprint sensor 30 is closer to the distance, is advantageous to fingerprint sensor 30 and passes through flexible electrical
Road plate 40 connects main circuit board 60.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description
Specific features, structure, material or feature are contained at least one embodiment or example of the present utility model.In this explanation
In book, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific spy of description
Sign, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, one of ordinary skill in the art can manage
Solution：A variety of to the progress of these embodiments can change in the case where not departing from principle and objective of the present utility model, change,
Replace and modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
- A kind of 1. rearmounted fingerprint recognition component, it is characterised in that including：Rear shell, the rear shell include substrate and and the side wall that extends from the edge of the substrate, the substrate include outer surface and Inner surface, the substrate offer the installation through-hole through the inner surface and the outer surface；Rosette, the rosette are contained in the installation through-hole；Fingerprint sensor, the fingerprint sensor are contained in the installation through-hole, the top perimeter shape of the fingerprint sensor Into fluted, the rosette is housed and is fixed in the groove.
- 2. rearmounted fingerprint recognition component as claimed in claim 1, it is characterised in that the lateral surface of the rosette and the finger The side of line sensor is concordant.
- 3. rearmounted fingerprint recognition component as claimed in claim 1, it is characterised in that the rosette is included towards the decoration In ring and to the inclined guide ramp of the fingerprint sensor.
- 4. rearmounted fingerprint recognition component as claimed in claim 1, it is characterised in that the fingerprint sensor includes fingerprint recognition Chip and the packaging body for encapsulating the fingerprint recognition chip, the top perimeter of the packaging body is formed with the groove.
- 5. rearmounted fingerprint recognition component as claimed in claim 1, it is characterised in that the rearmounted fingerprint recognition component includes connecting Connect the flexible PCB of the fingerprint sensor.
- 6. rearmounted fingerprint recognition component as claimed in claim 5, it is characterised in that the rearmounted fingerprint recognition component includes solid The stiffening plate of the flexible PCB is scheduled on, the stiffening plate is located at the flexible PCB phase respectively with the fingerprint sensor The both sides of the back of the body, the stiffening plate against and it is fixed on the internal surface.
- 7. rearmounted fingerprint recognition component as claimed in claim 6, it is characterised in that the stiffening plate is by being bonded or welding Mode against and it is fixed on the internal surface.
- 8. rearmounted fingerprint recognition component as claimed in claim 5, it is characterised in that the rearmounted fingerprint recognition component includes position Main circuit board in side corresponding to the inner surface, the flexible PCB are connected with the main circuit board.
- 9. rearmounted fingerprint recognition component as claimed in claim 8, it is characterised in that the main circuit board is on the internal surface Orthographic projection cover the fingerprint sensor.
- A kind of 10. mobile terminal, it is characterised in that including：Rearmounted fingerprint recognition component described in claim any one of 1-9；WithBattery, the battery are located at side corresponding to the inner surface, and the battery electrically connects with the fingerprint sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721228407.5U CN207123853U (en) | 2017-09-21 | 2017-09-21 | Rearmounted fingerprint recognition component and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721228407.5U CN207123853U (en) | 2017-09-21 | 2017-09-21 | Rearmounted fingerprint recognition component and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207123853U true CN207123853U (en) | 2018-03-20 |
Family
ID=61602218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721228407.5U Expired - Fee Related CN207123853U (en) | 2017-09-21 | 2017-09-21 | Rearmounted fingerprint recognition component and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207123853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110059626A (en) * | 2019-04-18 | 2019-07-26 | 维沃移动通信有限公司 | A kind of terminal device |
-
2017
- 2017-09-21 CN CN201721228407.5U patent/CN207123853U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110059626A (en) * | 2019-04-18 | 2019-07-26 | 维沃移动通信有限公司 | A kind of terminal device |
| CN110059626B (en) * | 2019-04-18 | 2021-12-14 | 维沃移动通信有限公司 | Terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180320 |