CN208092751U - side fingerprint module - Google Patents
side fingerprint module Download PDFInfo
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- CN208092751U CN208092751U CN201820269119.2U CN201820269119U CN208092751U CN 208092751 U CN208092751 U CN 208092751U CN 201820269119 U CN201820269119 U CN 201820269119U CN 208092751 U CN208092751 U CN 208092751U
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- chip
- fingerprint recognition
- interconnecting piece
- fpc flexible
- width
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Abstract
The utility model discloses a kind of side fingerprint module, including fingerprint recognition chip, FPC flexible PCBs and reinforcement steel disc, and the ratio of the length and width of the fingerprint recognition chip is 10：（2~4）The FPC flexible PCBs are by chip interconnecting piece, connector connection part and the transmission band portion between chip interconnecting piece, connector connection part, the chip interconnecting piece of the FPC flexible PCBs is connect by glue layer with the lower surface of fingerprint recognition chip, the length and width of the chip interconnecting piece of this FPC flexible PCB is smaller than the length and width of fingerprint recognition chip, and the chip interconnecting piece of FPC flexible PCBs is adhered to the middle section of fingerprint recognition chip lower surface；It is the marginal zone of fingerprint recognition chip lower surface between the edge and the edge of chip interconnecting piece of fingerprint recognition chip lower surface.The utility model side fingerprint module is not take up the space of mobile phone screen, improves mobile phone display effect, meanwhile, it is also convenient for putting glue connection between the chip interconnecting piece of FPC flexible PCBs and fingerprint recognition chip.
Description
Technical field
The utility model is related to a kind of side fingerprint modules, belong to technical field of biometric identification.
Background technology
Touch screen is widely used to the electronic products industry such as mobile phone/laptop, referring to Fig.1, conventional fingerprint at present
Module package structure includes：Fingerprint chip 101, surface layer protection 102, becket 103, substrate 104.Surface layer protection is covered in
Fingerprint chip surface, for fingerprint chip by conductive material and substrate connection, becket is biological at present by glue and substrate connection
Identification module is widely used in smart mobile phone product, can not be accounted for if the existing space for occupying smart mobile phone screen is larger
With mobile phone screen space, area can be shown by improving screen, become the direction of those of ordinary skill in the art's effort.
Invention content
The utility model aim is to provide a kind of side fingerprint module, which makes the side fingerprint module
It is mountable to the side surface of mobile phone, to be not take up the space of mobile phone screen, improves mobile phone display effect, meanwhile, it is also convenient for
Glue connection is put between the chip interconnecting piece and fingerprint recognition chip of FPC flexible PCBs.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of side fingerprint module, including fingerprint are known
The ratio of other chip, FPC flexible PCBs and reinforcement steel disc, the length and width of the fingerprint recognition chip is 10：（2~4）,
The FPC flexible PCBs are by chip interconnecting piece, connector connection part and between chip interconnecting piece, connector connection part
Transmission band portion, the chip interconnecting piece of the FPC flexible PCBs connect by glue layer with the lower surface of fingerprint recognition chip,
The length and width of the chip interconnecting piece of this FPC flexible PCB is smaller than the length and width of fingerprint recognition chip, and FPC is soft
The chip interconnecting piece of property circuit board is adhered to the middle section of fingerprint recognition chip lower surface；Fingerprint recognition chip lower surface
Edge and the edge of chip interconnecting piece between be fingerprint recognition chip lower surface marginal zone.
Further improved scheme is as follows in above-mentioned technical proposal：
1. in said program, the length and width of the reinforcement steel disc is than the chip interconnecting piece of FPC flexible PCB
Length and width is small, and reinforcement steel disc is adhered to the middle section of chip connection lower surface.
2. in said program, the width ratio of the fingerprint recognition Chip-wide and FPC flexible PCB width is 10：（1~
3）.
Since above-mentioned technical proposal is used, the utility model has following advantages and effect compared with prior art：
The ratio of the utility model side fingerprint module, the length and width of fingerprint recognition chip is 10：（2~4）, FPC
The chip interconnecting piece of flexible PCB is connect by glue layer with the lower surface of fingerprint recognition chip, this FPC flexible PCB
The length and width of chip interconnecting piece is smaller than the length and width of fingerprint recognition chip, and the chip of FPC flexible PCBs connects
Socket part is adhered to the middle section of fingerprint recognition chip lower surface；The edge of fingerprint recognition chip lower surface is connect with chip
It is the marginal zone of fingerprint recognition chip lower surface between the edge in portion so that the side fingerprint module is mountable to the side table of mobile phone
Face improves mobile phone display effect to be not take up the space of mobile phone screen, meanwhile, it is also convenient for the chip of FPC flexible PCBs
Glue connection is put between interconnecting piece and fingerprint recognition chip.
Description of the drawings
Attached drawing 1 is existing fingerprint modular structure schematic diagram；
Attached drawing 2 is the utility model side fingerprint modular structure schematic diagram one；
Attached drawing 3 is the utility model side fingerprint modular structure schematic diagram two；
Attached drawing 4 is the utility model side fingerprint module decomposition texture schematic diagram.
In the figures above：1, fingerprint recognition chip；2, FPC flexible PCBs；3, reinforcement steel disc；4, chip interconnecting piece；5,
Connector connection part；6, band portion is transmitted；7, marginal zone.
Specific implementation mode
The utility model is further described with reference to embodiment：
Embodiment 1：A kind of side fingerprint module, including fingerprint recognition chip 1, FPC flexible PCBs 2 and reinforcement steel disc 3,
The ratio of the length and width of the fingerprint recognition chip 1 is 10：2 ~ 4, the FPC flexible PCBs 2 by chip interconnecting piece 4,
Connector connection part 5 and the transmission band portion 6 between chip interconnecting piece 4, connector connection part 5, the FPC flexible circuits
The chip interconnecting piece 4 of plate 2 is connect by glue layer with the lower surface of fingerprint recognition chip 1, the chip of this FPC flexible PCB 2
Length and width of the length and width of interconnecting piece 4 than fingerprint recognition chip 1 is small, and the chip connection of FPC flexible PCBs 2
Portion 4 is adhered to the middle section of 1 lower surface of fingerprint recognition chip；The edge of 1 lower surface of fingerprint recognition chip connects with chip
It is the marginal zone 7 of 1 lower surface of fingerprint recognition chip between the edge of socket part 4.
The length and width of above-mentioned reinforcement steel disc 3 is than the length and width of the chip interconnecting piece 4 of FPC flexible PCB 2
It is small, and reinforcement steel disc 3 is adhered to the middle section of 4 lower surface of chip interconnecting piece.
The width ratio of above-mentioned 1 width of fingerprint recognition chip and 2 width of FPC flexible PCBs is 10：1.5.
Embodiment 2：A kind of side fingerprint module, including fingerprint recognition chip 1, FPC flexible PCBs 2 and reinforcement steel disc 3,
The ratio of the length and width of the fingerprint recognition chip 1 is 10：2 ~ 4, the FPC flexible PCBs 2 by chip interconnecting piece 4,
Connector connection part 5 and the transmission band portion 6 between chip interconnecting piece 4, connector connection part 5, the FPC flexible circuits
The chip interconnecting piece 4 of plate 2 is connect by glue layer with the lower surface of fingerprint recognition chip 1, the chip of this FPC flexible PCB 2
Length and width of the length and width of interconnecting piece 4 than fingerprint recognition chip 1 is small, and the chip connection of FPC flexible PCBs 2
Portion 4 is adhered to the middle section of 1 lower surface of fingerprint recognition chip；The edge of 1 lower surface of fingerprint recognition chip connects with chip
It is the marginal zone 7 of 1 lower surface of fingerprint recognition chip between the edge of socket part 4.
The width ratio of above-mentioned 1 width of fingerprint recognition chip and 2 width of FPC flexible PCBs is 10：2.2.
When using above-mentioned ultra-thin fingerprint module, the ratio of the length and width of fingerprint recognition chip is 10：（2~4）, FPC
The chip interconnecting piece of flexible PCB is connect by glue layer with the lower surface of fingerprint recognition chip, this FPC flexible PCB
The length and width of chip interconnecting piece is smaller than the length and width of fingerprint recognition chip, and the chip of FPC flexible PCBs connects
Socket part is adhered to the middle section of fingerprint recognition chip lower surface；The edge of fingerprint recognition chip lower surface is connect with chip
It is the marginal zone of fingerprint recognition chip lower surface between the edge in portion so that the side fingerprint module is mountable to the side table of mobile phone
Face improves mobile phone display effect to be not take up the space of mobile phone screen, meanwhile, it is also convenient for the chip of FPC flexible PCBs
Glue connection is put between interconnecting piece and fingerprint recognition chip.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (3)
1. a kind of side fingerprint module, it is characterised in that：Including fingerprint recognition chip（1）, FPC flexible PCBs（2）And reinforcement
Steel disc（3）, the fingerprint recognition chip（1）Length and width ratio be 10：（2~4）, the FPC flexible PCBs（2）
By chip interconnecting piece（4）, connector connection part（5）And it is located at chip interconnecting piece（4）, connector connection part（5）Between biography
Defeated band portion（6）, the FPC flexible PCBs（2）Chip interconnecting piece（4）Pass through glue layer and fingerprint recognition chip（1）Under
Surface connects, this FPC flexible PCB（2）Chip interconnecting piece（4）Length and width than fingerprint recognition chip（1）Length
Degree and width are small, and FPC flexible PCBs（2）Chip interconnecting piece（4）It is adhered to fingerprint recognition chip（1）The center of lower surface
Region；The fingerprint recognition chip（1）The edge of lower surface and chip interconnecting piece（4）Edge between be fingerprint recognition chip
（1）The marginal zone of lower surface（7）.
2. fingerprint module in side according to claim 1, it is characterised in that：The reinforcement steel disc（3）Length and width
Than FPC flexible PCB（2）Chip interconnecting piece（4）Length and width it is small, and reinforcement steel disc（3）It is adhered to chip connection
Portion（4）The middle section of lower surface.
3. fingerprint module in side according to claim 1, it is characterised in that：The fingerprint recognition chip（1）Width and FPC
Flexible PCB（2）The width ratio of width is 10：（1~3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269119.2U CN208092751U (en) | 2018-02-26 | 2018-02-26 | side fingerprint module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269119.2U CN208092751U (en) | 2018-02-26 | 2018-02-26 | side fingerprint module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208092751U true CN208092751U (en) | 2018-11-13 |
Family
ID=64064856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820269119.2U Active CN208092751U (en) | 2018-02-26 | 2018-02-26 | side fingerprint module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208092751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110674686A (en) * | 2019-08-19 | 2020-01-10 | 华为技术有限公司 | Fingerprint identification device and electronic equipment |
-
2018
- 2018-02-26 CN CN201820269119.2U patent/CN208092751U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110674686A (en) * | 2019-08-19 | 2020-01-10 | 华为技术有限公司 | Fingerprint identification device and electronic equipment |
| CN110674686B (en) * | 2019-08-19 | 2022-08-26 | 华为技术有限公司 | Fingerprint identification device and electronic equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |