CN106845465A - A kind of fingerprint recognition module and terminal device - Google Patents
A kind of fingerprint recognition module and terminal device Download PDFInfo
- Publication number
- CN106845465A CN106845465A CN201710249058.3A CN201710249058A CN106845465A CN 106845465 A CN106845465 A CN 106845465A CN 201710249058 A CN201710249058 A CN 201710249058A CN 106845465 A CN106845465 A CN 106845465A
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- China
- Prior art keywords
- fingerprint recognition
- recognition module
- becket
- chip
- shirt rim
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- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims description 15
- 239000000084 colloidal system Substances 0.000 claims description 6
- 239000005357 flat glass Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
This application discloses a kind of fingerprint recognition module, including：The becket that bottom shirt rim extends internally；It is equipped on the chip of bottom shirt rim upper surface described in the becket；The printed substrate being connected with the die bottom surface.Inwardly, the part that the bottom shirt rim that the chip of such fingerprint recognition module just can be overlapped on becket extends internally is thinned the integral thickness of fingerprint module for the bottom shirt rim of fingerprint recognition module, is easy to reserve more spaces and realizes other functions.Disclosed herein as well is a kind of terminal device, with the effect above.
Description
Technical field
The present invention relates to technical field of semiconductors, more specifically to a kind of fingerprint recognition module, further relate to a kind of whole
End equipment.
Background technology
At present, because fingerprint has the characteristics such as unchangeable property, uniqueness and convenience, therefore, by recognizing that fingerprint can
With accurately and reliably identifying user identity.Accordingly, it is possible to use fingerprint recognition module is convenient, rapidly obtain the fingerprint of user
Image, and then fingerprint to user is identified.Most of middle and high end smart mobile phones are provided with fingerprint recognition module, and adopt
It is front fingerprinting scheme, because the overall thickness of fingerprint recognition module is blocked up when front fingerprint recognition module is assembled,
Not guaranteed certain safe distance between driving chip Drive IC on fingerprint recognition module and display screen, causes the two
Interfere.
Therefore, the thickness of fingerprint recognition module how is reduced, to avoid the driving core on fingerprint recognition module and display screen
It is those skilled in the art's urgency technical issues that need to address to be interfered between piece Drive IC.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of integral thickness for making fingerprint recognition module more traditional fingerprint
Identification module is thin, is interfered between the Drive IC being prevented effectively from fingerprint recognition module and display screen.
To achieve the above object, the present invention provides following technical scheme：
A kind of fingerprint recognition module, including：
The becket that bottom shirt rim extends internally；
It is equipped on the chip of bottom shirt rim upper surface described in the becket；
The printed substrate being connected with the die bottom surface.
Preferably, in above-mentioned fingerprint recognition module, the becket bottom margin is offered leads glue groove.
Preferably, in above-mentioned fingerprint recognition module, the glue groove of leading is opening towards cover-plate glass, and relative level side
Glue groove is led to inclined angle type.
Preferably, it is interior between the becket inwall and the chip or cover plate in above-mentioned fingerprint recognition module
Colloid is provided with gap.
Preferably, in above-mentioned fingerprint recognition module, the chip and the printed substrate are connected by anisotropic conductive film
Connect.
Present invention also offers a kind of terminal device, including the fingerprint recognition module described in any of the above-described.
Preferably, in above-mentioned terminal device, colloid is provided between the fingerprint film group and cover-plate glass.
From above-mentioned technical proposal as can be seen that a kind of fingerprint recognition module provided by the present invention, including：Bottom shirt rim to
The becket of interior extension；It is equipped on the chip of bottom shirt rim upper surface described in the becket；It is connected with the die bottom surface
Printed substrate.The bottom shirt rim of fingerprint recognition module is extended internally, and the chip of such fingerprint recognition module just can be overlapped
In the part that the bottom shirt rim of becket extends internally, the integral thickness of fingerprint module is thinned, is easy to reserve more space realities
Existing other functions.
Present invention also offers a kind of terminal device, with the effect above.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
A kind of display screen drive chip position view that Fig. 1 is provided for prior art；
A kind of fingerprint recognition modular structure figure that Fig. 2 is provided for prior art；
Fig. 3 is position view of the fingerprint module provided in an embodiment of the present invention in mobile phone screen；
Fig. 4 is a kind of fingerprint recognition module provided in an embodiment of the present invention along Y-Y directional profile schematic diagrames；
Fig. 5 is a kind of fingerprint recognition module provided in an embodiment of the present invention along X-X directional profile schematic diagrames；
Fig. 6 is a kind of fingerprint recognition module provided in an embodiment of the present invention along Y-Y directional profile schematic diagrames；
Fig. 7 is a kind of fingerprint recognition module provided in an embodiment of the present invention along X-X directional profile schematic diagrames.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1 and 2, a kind of display screen drive chip position view that Fig. 1 is provided for prior art；Fig. 2 is existing
There is a kind of fingerprint recognition modular structure figure that technology is provided.
The structure of conventional fingerprint identification module as shown in figure 1, the shirt rim of becket 01 is to stretch out, such finger of entirety
Line identification module thickness is that the height of becket 01 adds printed substrate 03 and the thickness sum of stiffening plate 04, causes module
Integral thickness is thicker.Wherein, printed substrate 03 is easily deformed during silk-screen technology, it is therefore desirable in printed substrate
03 lower section sets stiffening plate 04, it is to avoid cause printed substrate to deform in preparation process.As shown in figure 1, during formal dress
The top of driving chip 20 is 0.2mm with the safe distance of fingerprint recognition module 10, during conventional method fingerprint recognition 10 formal dress of module
There is the risk more than 0.2mm, so being necessary further to reduce the thickness of fingerprint recognition module 10 for the sake of safety.
As shown in Fig. 3,4 and 5, Fig. 3 is position of the fingerprint recognition module 10 provided in an embodiment of the present invention in mobile phone screen
Put schematic diagram；Fig. 4 is a kind of fingerprint recognition module provided in an embodiment of the present invention along Y-Y directional profile schematic diagrames；Fig. 5 is this hair
A kind of fingerprint recognition module that bright embodiment is provided is along X-X directional profile schematic diagrames.
In a kind of specific embodiment, there is provided a kind of fingerprint recognition module 10, including：The inside becket in bottom shirt rim
01；It is equipped on the chip 02 of bottom shirt rim upper surface described in the becket 01；The printing being connected with the bottom surface of the chip 02
Wiring board 03.
Wherein, in being originally embodiment, becket 01 is assembled from the front of the glass cover-plate 30 of terminal device during assembling,
The upper surface of glass cover-plate 30 is provided with embedded step, and the becket 01 of fingerprint recognition module 10 is provided with top shirt rim, top shirt rim
Step with glass cover-plate 30 is fitted, and is provided with for carrying the bottom shirt rim of 10 chip of fingerprint recognition module 02, and bottom shirt rim is inside
Extend, the chip 02 of such fingerprint recognition module 10 just can be mounted in the bottom shirt rim of becket 01 with the tin cream for being capable of conduction
The part for extending internally, is bound chip 02 with printed substrate 03 using surface mounting technology, finally in the upper table of chip 02
Face laminating cover plate 06.The integral thickness of fingerprint recognition module 10 is thinned to a certain extent, is easy to reserve more spaces realizations
Other functions.
As shown in Figures 4 and 5, Fig. 4 is that a kind of fingerprint recognition module provided in an embodiment of the present invention is illustrated along Y-Y directional profiles
Figure；Fig. 5 is a kind of fingerprint recognition module provided in an embodiment of the present invention along X-X directional profile schematic diagrames.
On the basis of above-mentioned fingerprint recognition module, the bottom margin of the becket 01 is offered leads glue groove 05.By
The bottom design of becket 01 leads glue groove 05, then dot encapsulation glue, improves the performance of fingerprint recognition module water proof and dust proof.
Further, in above-mentioned fingerprint recognition module, the glue groove 05 of leading is opening towards glass cover-plate 30, and relatively
The inclined angle type of horizontal direction leads glue groove 05.
It is pointed out that the effect of glue groove 05 is led i.e. for ease of colloid 07 is carried out into dispensing from the porch of glue groove 05 is led,
The shape for leading glue groove 05 can have any shape, and be set as needed, in protection domain.
Traditional fingerprint recognition module 10 is outer due to existing between fingerprint recognition module 10 and glass cover-plate 30 in assembling
Internal clearance is there is also between gap, and the becket 01 and the cover plate 06 of chip 02/ of fingerprint recognition module 10, so causing mobile phone
Water proof and dust proof performance in the position of fingerprint recognition module 10 is not fine.
As shown in Figures 6 and 7, Fig. 6 is that a kind of fingerprint recognition module provided in an embodiment of the present invention is illustrated along Y-Y directional profiles
Figure；Fig. 7 is a kind of fingerprint recognition module provided in an embodiment of the present invention along X-X directional profile schematic diagrames.
On the basis of above-mentioned fingerprint recognition module, between the inwall of the becket 01 and the chip 02 or cover plate 06
Internal clearance in be provided with colloid 07.
Due to having gap between the becket 01 and chip 02 or cover plate 06 in fingerprint recognition module 10, in order to prevent ash
Dirt or steam enter, and fingerprint recognition module 10 is caused to damage, and dispensing is carried out within the cleft, improve fingerprint recognition module 10
Water proof and dust proof performance.
On the basis of above-mentioned fingerprint recognition module, the chip 02 and the printed substrate 03 pass through anisotropic conductive film
08 connection.
For further reduce thickness, chip 02 and printed substrate 03 are bound by the hot pressing of anisotropic conductive film 08, the opposite sex
Conducting film 08 makes conducting using conducting particles connection chip 02 with substrate electrode between the two, while being avoided that phase again
Adjacent two inter-electrode short-circuits, and reach purpose only in Z-direction conducting.Stiffening plate 04, and printing are eliminated compared to existing technology
Wiring board 03 is arranged in the through hole of becket 01, further reduces the thickness of fingerprint recognition module 10 so that fingerprint is known
The integral thickness of other module 10 is the height of becket 01.
Present invention also offers a kind of terminal device, including the fingerprint recognition module described in any of the above-described.
Further, in above-mentioned terminal device, colloid 07 is provided between the fingerprint film group 10 and glass cover-plate 30.
Due to having gap between fingerprint recognition module 10 and glass cover-plate 30, in order to prevent dust or steam from entering,
Terminal device is caused to damage, dispensing is carried out within the cleft, improve the water proof and dust proof performance of terminal device.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (7)
1. a kind of fingerprint recognition module, it is characterised in that including：
The becket that bottom shirt rim extends internally；
It is equipped on the chip of bottom shirt rim upper surface described in the becket；
The printed substrate being connected with the die bottom surface.
2. fingerprint recognition module as claimed in claim 1, it is characterised in that the becket bottom margin is offered leads glue
Groove.
3. fingerprint recognition module as claimed in claim 2, it is characterised in that the glue groove of leading is opening towards cover-plate glass,
And the inclined angle type of relatively horizontal orientation leads glue groove.
4. fingerprint recognition module as claimed in claim 3, it is characterised in that the becket inwall and the chip or lid
Colloid is provided with internal clearance between plate.
5. the fingerprint recognition module as described in any one of Claims 1-4, it is characterised in that the chip and the track
Road plate is connected by anisotropic conductive film.
6. a kind of terminal device, it is characterised in that including the fingerprint recognition module as described in any one of claim 1 to 5.
7. terminal device as claimed in claim 6, it is characterised in that be provided with glue between the fingerprint film group and cover-plate glass
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249058.3A CN106845465A (en) | 2017-04-17 | 2017-04-17 | A kind of fingerprint recognition module and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249058.3A CN106845465A (en) | 2017-04-17 | 2017-04-17 | A kind of fingerprint recognition module and terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106845465A true CN106845465A (en) | 2017-06-13 |
Family
ID=59147972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710249058.3A Pending CN106845465A (en) | 2017-04-17 | 2017-04-17 | A kind of fingerprint recognition module and terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106845465A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728846A (en) * | 2017-10-31 | 2018-02-23 | 信利光电股份有限公司 | A kind of assemble method of touch panel unit, electronic equipment and touch panel unit |
| CN108229374A (en) * | 2017-12-29 | 2018-06-29 | 广东欧珀移动通信有限公司 | Fingerprint module, the production method of fingerprint module and electronic device |
| CN109670370A (en) * | 2017-10-13 | 2019-04-23 | 南昌欧菲生物识别技术有限公司 | Becket and preparation method thereof, fingerprint recognition mould group and terminal |
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