CN206249351U - A kind of novel finger print recognizes module and electronic equipment - Google Patents
A kind of novel finger print recognizes module and electronic equipment Download PDFInfo
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- CN206249351U CN206249351U CN201621348528.9U CN201621348528U CN206249351U CN 206249351 U CN206249351 U CN 206249351U CN 201621348528 U CN201621348528 U CN 201621348528U CN 206249351 U CN206249351 U CN 206249351U
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- fingerprint
- fingerprint sensor
- electronic equipment
- flexible pcb
- golden finger
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Abstract
The utility model discloses a kind of novel finger print identification module, it includes fingerprint sensor and flexible PCB, and fingerprint sensor bottom side is provided with the first golden finger, and it is electrically connected with fingerprint sensor；Flexible PCB top side is provided with the second golden finger corresponding with the first golden finger, and it is electrically connected with flexible PCB；First golden finger and the second golden finger bind the electric connection for realizing fingerprint sensor and flexible PCB by ACF hot pressing.The invention also discloses a kind of electronic equipment.After this fingerprint recognition module changes existing fingerprint sensor and joint structure of flexible circuit boards and binding technique, conducting resinl, stiffening plate are avoided the need for, and just can reduce the thickness of stiffening plate+conducting resinl；Distance when then the whole machine of fingerprint recognition module is assembled above the driving chip of display screen makes not interfered during electronic equipment screen formal dress there will be no the risk less than 0.2mm, then to realize filling dual camera above screen and realize that other functions provide facility.
Description
Technical field
The utility model relate to fingerprint identification technology field, more particularly to a kind of novel finger print identification module and electricity
Sub- equipment.
Background technology
Current most of middle and high end smart mobile phones are provided with fingerprint recognition module, and major part uses front and refers to
Line identifying schemes；Because the overall thickness of fingerprint recognition module is blocked up when front fingerprint recognition module is assembled, fingerprint recognition is caused
Driving chip on module and display screen（Drive IC）Interfere, so mobile phone screen upside-down mounting is avoided into fingerprint recognition module
With the interference of Drive IC.Formal dress is the Drive IC and fingerprint recognition module of display screen all in mobile phone screen（Cover-plate glass）'s
Bottom side；And upside-down mounting is the top sides of the Drive IC in mobile phone screen of display screen, fingerprint recognition module is in mobile phone screen
Bottom side, the Drive IC of such display screen are inverted has caused the image of display screen anti-, it is necessary to program is by display image
Correction comes.
But with the rise of mobile phone dual camera, Drive IC are interfered with camera module during upside-down mounting, so having again
Necessity returns formal dress.But safe distance during formal dress above Drive IC is 0.2mm, there is OCA between display screen and cover-plate glass
（0.15mm~0.175mm）+ upper polaroid（0.077~0.13mm）+ upper sheet glass（0.15mm~0.2mm）, always distance is maximum
0.505mm, smallest overall distance is 0.377mm；And the thickness of Drive IC and fixed glue is respectively 0.2mm and 0.02mm, i.e.,
Gross thickness is 0.22mm；Then the distance above Drive IC is 0.157-0.285mm, has the risk less than 0.2mm, so peace
It is necessary further to reduce the thickness of fingerprint recognition module for the sake of complete.
Utility model content
Technical problem to be solved in the utility model there is provided a kind of novel finger print identification module and electronic equipment.This
After fingerprint recognition module changes existing fingerprint sensor and joint structure of flexible circuit boards, i.e. fingerprint sensor and flexible circuit
Plate is set golden finger and is bound by ACF hot pressing, and fingerprint sensor realizes electrical connection and machinery with flexible PCB after ACF bindings
Connection.Traditional SMT, i.e. conducting resinl are avoided the need for by above-mentioned design（Bond stiffening plate）, stiffening plate do not need,
The thickness that can so reduce is the thickness of conducting resinl（Generally 0.03mm）+ reinforcement steel disc（Generally 0.15mm）Thickness,
That is 0.18mm；Distance when then the whole machine of fingerprint recognition module is assembled above the driving chip of display screen is there will be no less than 0.2mm
Risk, make not interfered during electronic equipment screen formal dress, then for realize above screen fill dual camera and other
Function provides facility.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of novel finger print recognizes module, and it includes fingerprint sensor and flexible PCB, the fingerprint sensor bottom
Side is provided with the first golden finger, and it is electrically connected with the fingerprint sensor；The flexible PCB top side is provided with
The second golden finger corresponding with the first golden finger, it is electrically connected with the flexible PCB；First golden finger and second
Golden finger binds the electric connection for realizing the fingerprint sensor and flexible PCB by ACF hot pressing.
A kind of improvement of the novel finger print identification module provided as the utility model, the fingerprint sensor is push type
Fingerprint sensor.
A kind of improvement of the novel finger print identification module provided as the utility model, the fingerprint sensor is slidingtype
Fingerprint sensor.
A kind of electronic equipment, it includes above-mentioned fingerprint recognition module, display screen, wherein, the fingerprint recognition module with
Vertical range d >=0.2mm between the driving chip of display screen.
The a kind of of the electronic equipment provided as the utility model improves, and the display screen is that LCDs or OLED are aobvious
Display screen.
The a kind of of the electronic equipment provided as the utility model improves, also including positioned at electronic equipment screen top
Single or double camera module.
The utility model has the advantages that：This fingerprint recognition module is by by fingerprint sensor and flexible PCB
Pad design be golden finger, then with ACF by fingerprint sensor and flexible PCB bind together realization be electrically connected with；Such as
This design, then it can be benefit with thinning thickness that flexible PCB avoids the need for stiffening plate and conducting resinl, i.e. fingerprint recognition module
The thickness of strong plate（About 0.15mm）The thickness of+conducting resinl（About 0.03mm）.This kind of design structure is simple, without being passed to existing fingerprint
Sensor is improved thinning, and saves SMT operations and stiffening plate, shortens operation, improve production efficiency, reduces cost and not
Yield.Certain this patent mainly passes through the thinning fingerprint module thickness of thinning flexible circuit plate thickness, so this patent can be existing
There is the thickness of further thinning fingerprint module on thinning fingerprint sensor package.
This fingerprint recognition module is applied can make the driving chip of display screen and fingerprint recognition module in electronic equipment
Vertical range be more than safe distance 0.2mm more than the headspace above 0.2mm, i.e. driving chip, fingerprint recognition module is not
Interference can be produced to the driving chip of display screen, can be by display screen drive chip formal dress, also just can be in electronic equipment screen
Top dress dual camera and realize electronic equipment ultrathin（Such as mobile phone）Deng other more functions, and with more preferable
Stability.
Brief description of the drawings
Fig. 1 is conventional fingerprint sensors and joint structure of flexible circuit boards schematic diagram；
Fig. 2 is the utility model fingerprint sensor and joint structure of flexible circuit boards schematic diagram；
Fig. 3 is that pad improves front and rear schematic diagram on the utility model fingerprint sensor and flexible PCB；
Fig. 4 is the structural representation of the utility model electronic equipment.
Specific embodiment
The utility model is described in detail with reference to embodiment, embodiment is only preferred reality of the present utility model
Mode is applied, is not to restriction of the present utility model.
It is illustrated in fig. 1 shown below, the fingerprint sensor 1 ' and flexible PCB 2 ' of traditional fingerprint recognition module are all by tin
Cream 3 ' realizes what is be mechanically and electrically；So the back of flexible PCB 2 ' is it is necessary to have stiffening plate 4 ' and conducting resinl 5 '（With
In bonding stiffening plate 4 '）, cause fingerprint recognition module integral thickness thicker.The driving chip of display screen can be produced when then installing
Interference, the thickness it is therefore necessary to reduce fingerprint recognition module.The scheme of current thinning fingerprint recognition module mainly has thinning finger
The scheme of line identification sensor 1 ', but the scheme of thinning line identification sensor 1 ' is relatively costly, and complex procedures.
Fig. 2 is refer to, the utility model provides a kind of novel finger print and recognizes module 1, and it includes the He of fingerprint sensor 11
Flexible PCB 12, the bottom side of the fingerprint sensor 11 is provided with the first golden finger 14, its pass through puncturing technique with it is described
Fingerprint sensor 11 is electrically connected with；The top side of the flexible PCB 12 is provided with and corresponding second gold medal of the first golden finger 14
Finger 14, it is electrically connected with the flexible PCB 12；The golden finger 14 of first golden finger 14 and second passes through ACF 13
The electric connection of the fingerprint sensor 11 and flexible PCB 12 is realized in hot pressing binding.
Used as a kind of preferred embodiment, the fingerprint recognition module 1 also includes being integrated in the fingerprint sensor 11
Control chip（Do not shown in figure）, it includes processor and memory, and when implementing, fingerprint sensor 11 is to finger print
Be identified obtain the first finger print information, or finger is contacted fingerprint sensor 11 position be identified obtain position believe
Breath, and the first finger print information or positional information are transmitted into the processor into the control chip by flexible PCB 12；When
Processor compares the first finger print information and the second finger print information prestored in memory when matching, and discharges access right, or
Processor is transferred the corresponding operation of the positional information and is processed according to positional information.
Used as a kind of preferred embodiment, the fingerprint sensor 11 is push type fingerprint sensor 11, can also be sliding
Dynamic formula fingerprint sensor 11, but it is not limited to this.
By improving the attachment structure of fingerprint sensor 11 and flexible PCB 12, by the pad of fingerprint sensor 11 and soft
The pad 6 ' of property circuit board 12 makes golden finger 14, as shown in figure 3, the first golden finger 14 of fingerprint sensor 11 is made in into one
Both sides are electrically connected with by puncturing technique, rather than contact pad general at present, such as by fingerprint sensor 11
22 pads make 22 golden fingers 14, can so save SMT operations；Stiffening plate and bonding can not needed to mend simultaneously
The conducting resinl of strong plate can just realize the mechanically and electrically property connection of fingerprint sensor 11 and flexible PCB 12, fingerprint sensor
11 and flexible PCB 12 bound by the hot pressing of ACF 13 and realize fixed conducting, then the thickness that fingerprint recognition module 1 reduces is to mend
The thickness of strong plate（About 0.15mm）The thickness of+conducting resinl（About 0.03mm）.By the whole of the thinning fingerprint recognition module 1 of simple structure
Body thickness, and save SMT operations and stiffening plate, shortens operation not only improve production efficiency, while reduces cost and bad
Rate.
Fig. 4 is refer to, the utility model additionally provides a kind of electronic equipment, it includes above-mentioned fingerprint recognition module 1, shows
Display screen, the display screen includes upper glass 3, lower glass 2 and the unit of the display between the upper glass 3 and lower glass 2 device
Part（Not shown in figure）, the driving chip 4 being connected with the display component control is provided with the upper glass 3, wherein, institute
State fingerprint recognition module 1 and be located at the same side, and vertical range d >=0.2mm between the two with the driving chip 4 of display screen.Institute
State electronic equipment also include cover-plate glass 5 as device screen, be fitted in the top of the upper glass 3 upper polaroid 6 and
Laminating cover-plate glass 5 and the optical cement 7 of upper polaroid 6, are fitted in the down polaroid of the lower section of the lower glass 2（Do not show in figure
Go out）.
As one kind preferred embodiment, the display screen is LCDs or OLED display screen.The electronics sets
The standby single or double camera module also included positioned at electronic equipment screen top side.
In above-mentioned electronic equipment, fingerprint recognition module is arranged on the non-visible area domain of electronic equipment, for electronic equipment
The I/O equipment of one of man-machine interaction.It is appreciated that can be mobile phone, move in electronic equipment of the present utility model
Dynamic communication telephone, TV, panel computer, notebook computer, the industrial lathe comprising touch display screen, aviation touch display electronics
The computer equipments such as device, GPS electronic installations, Integral computer and ultrabook.
It should be noted that the driving chip 4 and mono-/bis-camera module of the fingerprint recognition module 1, display screen with
The mainboard connection of electronic equipment, this is existing known technology, be will not be repeated here.
This fingerprint recognition module is applied can make the driving chip of display screen and fingerprint recognition module in electronic equipment
Vertical range d >=0.2mm, i.e. driving chip above headspace be more than safe distance 0.2mm, fingerprint recognition module will not
Driving chip to display screen produces interference, can be by display screen drive chip formal dress, after the driving chip formal dress of display screen
Just in the top of electronic equipment screen dress dual camera and electronic equipment ultrathin can be realized（Such as mobile phone）Deng other more
Many functions, and with more preferable stability.
Embodiment described above only expresses implementation method of the present utility model, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model the scope of the claims can not be interpreted as, as long as the institute in the form of equivalent or equivalent transformation
The technical scheme of acquisition, all should fall within protection domain of the present utility model.
Claims (6)
1. a kind of novel finger print recognizes module, and it includes fingerprint sensor and flexible PCB, it is characterised in that the fingerprint is passed
Sensor bottom side is provided with the first golden finger, and it is electrically connected with the fingerprint sensor；The flexible PCB top one
Side is provided with the second golden finger corresponding with the first golden finger, and it is electrically connected with the flexible PCB；The first gold medal hand
Refer to the electric connection bound by ACF hot pressing with the second golden finger and realize the fingerprint sensor and flexible PCB.
2. fingerprint recognition module according to claim 1, it is characterised in that the fingerprint sensor is that push type fingerprint is passed
Sensor.
3. fingerprint recognition module according to claim 1, it is characterised in that the fingerprint sensor is that slide fingerprint is passed
Sensor.
4. a kind of electronic equipment, it is characterised in that it includes fingerprint recognition module as claimed in claim 1, display screen, its
In, the vertical range d >=0.2mm between the fingerprint recognition module and the driving chip of display screen.
5. electronic equipment according to claim 4, it is characterised in that the display screen is that LCDs or OLED show
Screen.
6. electronic equipment according to claim 4, it is characterised in that also including above the electronic equipment screen
Single or double camera module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621348528.9U CN206249351U (en) | 2016-12-09 | 2016-12-09 | A kind of novel finger print recognizes module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621348528.9U CN206249351U (en) | 2016-12-09 | 2016-12-09 | A kind of novel finger print recognizes module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249351U true CN206249351U (en) | 2017-06-13 |
Family
ID=59006142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621348528.9U Active CN206249351U (en) | 2016-12-09 | 2016-12-09 | A kind of novel finger print recognizes module and electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN206249351U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172825A (en) * | 2017-06-30 | 2017-09-15 | 世擎光电（东莞）有限公司 | The attached structure and method of a kind of flexible printed circuit board and fingerprint Identification sensor |
| CN109166423A (en) * | 2018-09-27 | 2019-01-08 | 深圳盛思科教文化有限公司 | Development board and learning aids |
| CN109725681A (en) * | 2018-12-27 | 2019-05-07 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN110188677A (en) * | 2019-05-29 | 2019-08-30 | 维沃移动通信有限公司 | Fingerprint mould group and mobile terminal |
| CN110568964A (en) * | 2019-09-12 | 2019-12-13 | 业成科技（成都）有限公司 | Sensor assembly, preparation method thereof, bonding structure and touch panel module |
| CN111144339A (en) * | 2019-12-30 | 2020-05-12 | 业成科技（成都）有限公司 | Fingerprint identification module and electronic device |
| CN112464693A (en) * | 2019-09-09 | 2021-03-09 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification module, preparation method thereof and intelligent terminal |
-
2016
- 2016-12-09 CN CN201621348528.9U patent/CN206249351U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172825A (en) * | 2017-06-30 | 2017-09-15 | 世擎光电（东莞）有限公司 | The attached structure and method of a kind of flexible printed circuit board and fingerprint Identification sensor |
| CN109166423A (en) * | 2018-09-27 | 2019-01-08 | 深圳盛思科教文化有限公司 | Development board and learning aids |
| CN109725681A (en) * | 2018-12-27 | 2019-05-07 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN110188677A (en) * | 2019-05-29 | 2019-08-30 | 维沃移动通信有限公司 | Fingerprint mould group and mobile terminal |
| CN110188677B (en) * | 2019-05-29 | 2021-05-28 | 维沃移动通信有限公司 | Fingerprint module and mobile terminal |
| CN112464693A (en) * | 2019-09-09 | 2021-03-09 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification module, preparation method thereof and intelligent terminal |
| CN110568964A (en) * | 2019-09-12 | 2019-12-13 | 业成科技（成都）有限公司 | Sensor assembly, preparation method thereof, bonding structure and touch panel module |
| CN111144339A (en) * | 2019-12-30 | 2020-05-12 | 业成科技（成都）有限公司 | Fingerprint identification module and electronic device |
| CN111144339B (en) * | 2019-12-30 | 2023-03-24 | 业泓科技(成都)有限公司 | Fingerprint identification module and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201123 Address after: 1 / F, building 23, Xinli industrial town, Industrial Avenue, Shanwei City, Guangdong Province Patentee after: Xinli photoelectric technology (Shanwei) Co., Ltd Address before: 516600 Industrial Zone, north section of East Chong Road, Shanwei, Shanwei, Guangdong Patentee before: TRULY OPTO-ELECTRONICS Ltd. |
|
| TR01 | Transfer of patent right |