CN207249686U - Anti-oxidant damp-proof fingerprint device - Google Patents
Anti-oxidant damp-proof fingerprint device Download PDFInfo
- Publication number
- CN207249686U CN207249686U CN201720983024.2U CN201720983024U CN207249686U CN 207249686 U CN207249686 U CN 207249686U CN 201720983024 U CN201720983024 U CN 201720983024U CN 207249686 U CN207249686 U CN 207249686U
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- CN
- China
- Prior art keywords
- flexible pcb
- fingerprint
- damp
- oxidant
- capacitor element
- 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 anti-oxidant damp-proof fingerprint device, its fingerprint chip upper surface is fixed with least two LED light emitting diodes, and the cover board is divided into transparent pattern area and non-transparent area；Flexible PCB；Described flexible PCB one end is chip connecting portion, and the other end is connector mounting portion, and capacitor element, resistance device and inductance component are provided with the middle interconnecting piece between chip connecting portion and connector mounting portion；One epoxy glue adhesion coating is covered in the capacitor element, resistance device and inductance component surface and the flexible PCB region positioned at capacitor element, resistance device and inductance component periphery.The utility model meets the visual demand of user, also allows for identification fingerprint identification area, and make it that device is not easy to fall off, has also isolated contact of the device with air, prevents that humidity is electrically bad caused by aoxidizing.
Description
Technical field
A kind of handset touch panel is the utility model is related to, belongs to technical field of semiconductor encapsulation.
Background technology
With science and technology development and the improvement of people's living standards, mobile phone oneself into for people's lives it is essential life use
Product, no matter working at home, still travel on official business, and the every aspect of life all be unable to do without mobile phone.
In today of society's rapid development, people not only focus on the performance of mobile phone, and the requirement to cell phone appearance is also increasingly
Height, such as the pursuit to narrow frame so that the width of complete machine diminishes, and screen accounting is increasing, and mobile phone is more and more beautiful, still
Whole length direction, which is subject to stack, to be limited, it is difficult to is reduced.
Fingerprint imaging identification technology be it is a kind of by fingerprint sensor gather human body fingerprint image, then with system oneself
Some fingerprint imaging information is compared whether carry out correct judgment, and then realizes the technology of identification.Fingerprint imaging identifies skill
Art due to the use of convenience and somatic fingerprint uniqueness, oneself is through being widely used in every field.Such as public security bureau, customs
Etc. field of safety check, the consumer product area such as the access control system and PC of building and mobile phone etc..Fingerprint imaging identification technology
Implementation have the multiple technologies such as optical finger print imaging, capacitive fingerprint imaging, ultrasonic fingerprint imaging.Comparatively, optics refers to
The imaging effect of line imaging technique is relatively good, and equipment cost is relatively low, thus is widely applied.
The content of the invention
The utility model aim is to provide a kind of anti-oxidant damp-proof fingerprint device, which increases
Add visual function, met the visual demand of user, also allowed for identification fingerprint identification area, and make it that device is not easy to fall off,
Also contact of the device with air has been isolated, has prevented that humidity is electrically bad caused by aoxidizing.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of anti-oxidant damp-proof fingerprint device, bag
Include cover board, fingerprint chip, basic ring, flexible PCB, in the fingerprint chip insertion basic ring, the bottom margin of the basic ring with it is soft
Property the bonding connection of circuit board one end, the fingerprint chip is installed on flexible PCB upper surface and is electrically connected with flexible PCB,
The fingerprint chip upper surface is fixed with least two LED light emitting diodes, and the cover board is divided into transparent pattern area and nontransparent
Area；Flexible PCB；
Described flexible PCB one end is chip connecting portion, and the other end is connector mounting portion, positioned at chip connecting portion and
Capacitor element, resistance device and inductance component are installed on the middle interconnecting piece between connector mounting portion；One epoxy glue adhesion coating
It is covered in the capacitor element, resistance device and inductance component surface and positioned at capacitor element, resistance device and inductance component
The flexible PCB region on periphery.
Further improved scheme is as follows in above-mentioned technical proposal：
1. in such scheme, the basic ring shape is circular, square, oval or track type.
2. in such scheme, the bottom of the basic ring has an outward flange, flange bottom is bonded with flexible PCB in addition
Connection.
3. in such scheme, the transparent pattern area forms a pattern form.
4. in such scheme, the resistance device is between capacitor element and inductance component.
Since above-mentioned technical proposal is used, the utility model has following advantages and effect compared with prior art：
1. the anti-oxidant damp-proof fingerprint device of the utility model, its fingerprint chip upper surface is fixed with least two LED hairs
Optical diode, the cover board are divided into transparent pattern area and non-transparent area, its ensure there is fingerprint recognition under the premise of, when
LED lumination of light emitting diode, be divided into by the cover board with transparent pattern area and non-transparent area show specific pattern or
The figures such as trade mark, add visual function, meet the visual demand of user, also allow for identification fingerprint identification area.
2. the anti-oxidant damp-proof fingerprint device of the utility model, it is between chip connecting portion and connector mounting portion
Middle interconnecting piece on capacitor element, resistance device and inductance component are installed；One epoxy glue adhesion coating is covered in the capacitor
Part, resistance device and inductance component surface and the flexible PCB positioned at capacitor element, resistance device and inductance component periphery
Region is conducive to reinforce capacitor element, resistance device and inductance component and flexible PCB bonding strength, so that device is not
Easily come off, also isolated contact of the device with air, prevent that humidity is electrically bad caused by aoxidizing.
Brief description of the drawings
Attached drawing 1 is the anti-oxidant damp-proof fingerprint device exploded structure diagram of the utility model；
Attached drawing 2 is the anti-oxidant damp-proof fingerprint device partial structural diagram of the utility model；
Attached drawing 3 is the anti-oxidant damp-proof fingerprint device architecture schematic diagram of the utility model；
Attached drawing 4 is the decomposition texture schematic diagram of attached drawing 3.
In the figures above：1st, cover board；2nd, fingerprint chip；3rd, basic ring；4th, flexible PCB；5th, LED light emitting diodes；6th, scheme
Case clear area；7th, non-transparent area；8th, outward flange；14th, chip connecting portion；15th, connector mounting portion；21st, middle interconnecting piece；221、
Capacitor element；222nd, resistance device；223rd, inductance component；23rd, epoxy glue adhesion coating.
Embodiment
The utility model is further described with reference to embodiment：
Embodiment 1：A kind of anti-oxidant damp-proof fingerprint device, including cover board 1, fingerprint chip 2, basic ring 3, flexible PCB
4, the fingerprint chip 2 is embedded in basic ring 3, and bottom margin and the bonding of 4 one end of flexible PCB of the basic ring 3 connect, described
Fingerprint chip 2 is installed on 4 upper surface of flexible PCB and is electrically connected with flexible PCB 4, and 2 upper surface of fingerprint chip is fixed
There are at least two LED light emitting diodes 5, the cover board 1 divides for transparent pattern area 6 and non-transparent area 7；Flexible PCB 4；
Described 4 one end of flexible PCB is chip connecting portion 14, and the other end is connector mounting portion 15, is connected positioned at chip
Capacitor element 221, resistance device 222 and inductor are installed on the middle interconnecting piece 21 between portion 14 and connector mounting portion 15
Part 223；One epoxy glue adhesion coating 23 is covered in the capacitor element 221, resistance device 222 and 223 surface of inductance component and position
In 4 region of flexible PCB on 223 periphery of capacitor element 221, resistance device 222 and inductance component.
Above-mentioned 3 shape of basic ring is ellipse；The bottom of above-mentioned basic ring 3 has an outward flange 8, this 8 bottom of outward flange with it is soft
Property circuit board 4 bonding connection.
Above-mentioned transparent pattern area 6 forms a pattern form.
Embodiment 2：A kind of anti-oxidant damp-proof fingerprint device, including cover board 1, fingerprint chip 2, basic ring 3, flexible PCB
4, the fingerprint chip 2 is embedded in basic ring 3, and bottom margin and the bonding of 4 one end of flexible PCB of the basic ring 3 connect, described
Fingerprint chip 2 is installed on 4 upper surface of flexible PCB and is electrically connected with flexible PCB 4, and 2 upper surface of fingerprint chip is fixed
There are at least two LED light emitting diodes 5, the cover board 1 divides for transparent pattern area 6 and non-transparent area 7；Flexible PCB 4；
Described 4 one end of flexible PCB is chip connecting portion 14, and the other end is connector mounting portion 15, is connected positioned at chip
Capacitor element 221, resistance device 222 and inductor are installed on the middle interconnecting piece 21 between portion 14 and connector mounting portion 15
Part 223；One epoxy glue adhesion coating 23 is covered in the capacitor element 221, resistance device 222 and 223 surface of inductance component and position
In 4 region of flexible PCB on 223 periphery of capacitor element 221, resistance device 222 and inductance component.
Above-mentioned 3 shape of basic ring is circle；The bottom of above-mentioned basic ring 3 has an outward flange 8, this 8 bottom of outward flange and flexibility
The bonding connection of circuit board 4.
Above-mentioned resistance device 222 is between capacitor element 221 and inductance component 223.
During using above-mentioned anti-oxidant damp-proof fingerprint device, its fingerprint chip upper surface is fixed with least two LED and shines two
Pole pipe, the cover board are divided into transparent pattern area and non-transparent area, it works as LED under the premise of ensureing to have the function of fingerprint recognition
Lumination of light emitting diode, is divided into by the cover board with transparent pattern area and non-transparent area and shows specific pattern or trade mark
Deng figure, visual function is added, meets the visual demand of user, also allows for identification fingerprint identification area；Secondly, it is conducive to
Capacitor element, resistance device and inductance component and flexible PCB bonding strength are reinforced, so that device is not easy to fall off,
Contact of the device with air is isolated, has prevented that humidity is electrically bad caused by aoxidizing.
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.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (5)
- A kind of 1. anti-oxidant damp-proof fingerprint device, it is characterised in that：Including cover board（1）, fingerprint chip（2）, basic ring（3）, it is soft Property circuit board（4）, the fingerprint chip（2）Embedded basic ring（3）It is interior, the basic ring（3）Bottom margin and flexible PCB（4） One end bonding connection, the fingerprint chip（2）It is installed on flexible PCB（4）Upper surface and and flexible PCB（4）It is electrically connected, The fingerprint chip（2）Upper surface is fixed with least two LED light emitting diodes（5）, the cover board（1）It is divided into transparent pattern area （6）And non-transparent area（7）；Flexible PCB（4）；The flexible PCB（4）One end is chip connecting portion（14）, the other end is connector mounting portion（15）, connect positioned at chip Socket part（14）With connector mounting portion（15）Between middle interconnecting piece（21）On capacitor element is installed（221）, resistance device （222）And inductance component（223）；One epoxy glue adhesion coating（23）It is covered in the capacitor element（221）, resistance device（222）With Inductance component（223）Surface and positioned at capacitor element（221）, resistance device（222）And inductance component（223）The flexibility on periphery Circuit board（4）Region.
- 2. anti-oxidant damp-proof fingerprint device according to claim 1, it is characterised in that：The basic ring（3）Shape is circle Shape, square, oval or track type.
- 3. anti-oxidant damp-proof fingerprint device according to claim 1, it is characterised in that：The basic ring（3）Bottom tool There is an outward flange（8）, this outward flange（8）Bottom and flexible PCB（4）Bonding connection.
- 4. anti-oxidant damp-proof fingerprint device according to claim 1, it is characterised in that：The transparent pattern area（6）Shape Into a pattern form.
- 5. anti-oxidant damp-proof fingerprint device according to claim 1, it is characterised in that：The resistance device（222）Position In capacitor element（221）And inductance component（223）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720983024.2U CN207249686U (en) | 2017-08-08 | 2017-08-08 | Anti-oxidant damp-proof fingerprint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720983024.2U CN207249686U (en) | 2017-08-08 | 2017-08-08 | Anti-oxidant damp-proof fingerprint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207249686U true CN207249686U (en) | 2018-04-17 |
Family
ID=61880434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720983024.2U Expired - Fee Related CN207249686U (en) | 2017-08-08 | 2017-08-08 | Anti-oxidant damp-proof fingerprint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207249686U (en) |
-
2017
- 2017-08-08 CN CN201720983024.2U patent/CN207249686U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180417 Termination date: 20200808 |