CN107145254B - Biological identification module with pressure sensing function - Google Patents
Biological identification module with pressure sensing function Download PDFInfo
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- CN107145254B CN107145254B CN201710180329.4A CN201710180329A CN107145254B CN 107145254 B CN107145254 B CN 107145254B CN 201710180329 A CN201710180329 A CN 201710180329A CN 107145254 B CN107145254 B CN 107145254B
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- pressure sensing
- sensing electrode
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- 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
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Prostheses (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a biological recognition module with a pressure sensing function.A first pressure sensing electrode is arranged at the tail part of a first flexible circuit board, a second pressure sensing electrode is arranged at the tail part of a second flexible circuit board, an isolation layer is arranged between the tail part of the first flexible circuit board and the tail part of the second flexible circuit board, when a finger presses the surface of a cover plate, the isolation layer deforms under the pressure action of the finger, the distance between the first pressure sensing electrode and the second pressure sensing electrode changes, the capacitance between the first pressure sensing electrode and the second pressure sensing electrode changes, and a pressure sensing control circuit calculates the pressure of the finger through the change of the capacitance between the first pressure sensing electrode and the second pressure sensing electrode, so that the pressure sensing function is provided for the biological recognition module. The biological recognition module integrates the pressure sensing module in the biological recognition module, so that the sensing effect is good, the thickness is thinner, and the thickness of the electronic equipment can be reduced.
Description
Technical Field
The invention relates to the technical field of biological recognition, in particular to a biological recognition module with a pressure sensing function.
Background
Along with the development of scientific technology, the biological recognition function has been widely applied to electronic products such as mobile phones. The biological recognition module is mainly used for sensing biological information input by a user, and the main control circuit of the electronic equipment controls whether the electronic equipment executes a preset function or not according to the biological information sensed by the biological recognition module. At present, the demands for arranging the biological recognition module on the front face of the mobile phone are increasing, and meanwhile, the demands for arranging the pressure sensing device below the biological recognition module are also increasing. At present, an independent pressure sensing device is additionally arranged below the biological identification module, and the prior art has the following defects: an independent pressure sensing device is additionally arranged below the biological identification module, related circuits and elements are required to be added, the circuits are more complex, and the cost is higher.
Disclosure of Invention
The invention aims to solve the technical problem of providing a biological recognition module with a pressure sensing function, which has good biological recognition sensing effect and thinner thickness and can reduce the thickness of electronic equipment.
The invention provides a biological identification module with a pressure sensing function, which comprises a cover plate, a chip, a first flexible circuit board, a second flexible circuit board and a reinforcing plate, wherein the cover plate, the chip, the first flexible circuit board, the second flexible circuit board and the reinforcing plate are sequentially arranged from top to bottom; the tail of the second flexible circuit board is folded to the lower side of the reinforcing plate and fixed with the lower surface of the reinforcing plate; an isolation layer is fixed on the lower surface of the second flexible circuit board; the tail of the first flexible circuit board is folded to the lower side of the isolation layer and fixed with the lower surface of the isolation layer; the tail part of the first flexible circuit board is provided with a first pressure sensing electrode, and the tail part of the second flexible circuit board is provided with a second pressure sensing electrode; the first pressure sensing electrode is aligned with the second pressure sensing electrode; the first pressure sensing electrode and the second pressure sensing electrode are connected with the chip circuit.
After adopting above structure, the biological identification module with the pressure sensing function has the following advantages compared with the prior art:
because the tail part of the first flexible circuit board with the pressure sensing function is provided with the first pressure sensing electrode, the tail part of the second flexible circuit board is provided with the second pressure sensing electrode, and the isolating layer is arranged between the tail part of the first flexible circuit board and the tail part of the second flexible circuit board, when a finger presses the surface of the cover plate, the isolating layer deforms under the pressure action of the finger, so that the distance between the first pressure sensing electrode and the second pressure sensing electrode changes, the capacitance between the first pressure sensing electrode and the second pressure sensing electrode changes, and the pressure sensing control circuit calculates the pressure of the finger through the change of the capacitance between the first pressure sensing electrode and the second pressure sensing electrode, thereby providing the pressure sensing function for the biological recognition module. The biological recognition module integrates the pressure sensing module in the biological recognition module, so that the sensing effect is good, the thickness is thinner, and the thickness of the electronic equipment can be reduced.
As an improvement, the first flexible circuit board comprises a first cover film, a first copper foil layer and a first base film which are sequentially arranged from top to bottom; the first pressure sensing electrode is arranged at the tail part of the first copper foil layer. After adopting this kind of structure, simple structure, the preparation is convenient.
As an improvement, the upper surface of the first pressure sensing electrode is exposed out of the first base film, and the upper surface of the first pressure sensing electrode is fixed with the lower surface of the isolation layer. After the structure is adopted, the pressure sensing effect can be further improved, and the thickness of the biological recognition module can be further reduced.
As an improvement, the tail part of the first base film is coated outside the upper surface of the first pressure sensing electrode; the upper surface of the tail part of the first base film is fixed with the lower surface of the isolation layer. After adopting this kind of structure, simple structure, the preparation is convenient.
As an improvement, the first flexible circuit board comprises a second base film, a second copper foil layer and a second covering film which are sequentially arranged from top to bottom; the second pressure sensing electrode is arranged at the tail part of the second copper foil layer. After adopting this kind of structure, simple structure, the preparation is convenient.
As an improvement, the lower surface of the second pressure sensing electrode is exposed out of the tail of the second base film, and the lower surface of the second pressure sensing electrode is fixed with the upper surface of the isolation layer. After the structure is adopted, the pressure sensing effect can be further improved, and the thickness of the biological recognition module can be further reduced.
As an improvement, the tail part of the second base film is coated outside the lower surface of the second pressure sensing electrode; the lower surface of the tail part of the second base film is fixed with the upper surface of the isolation layer. After adopting this kind of structure, simple structure, the preparation is convenient.
As an improvement, the isolating layer is made of an elastic material. The elastic material is silica gel or a pressure-sensitive material.
Drawings
Fig. 1 is a schematic cross-sectional view of a biological recognition module with pressure sensing function according to an embodiment of the invention.
Fig. 2 is a schematic cross-sectional structure diagram of a second embodiment of the biometric module with pressure sensing according to the present invention.
The figure shows: 1. cover plate, 2, chip, 3, first flexible circuit board, 3.1, first tectorial membrane, 3.2, first copper foil layer, 3.3, first base film, 3.4, first forced induction electrode, 4, second flexible circuit board, 4.1, second base film, 4.2, second copper foil layer, 4.3, second tectorial membrane, 4.4, second forced induction electrode, 5, stiffening plate, 6, isolation layer, 7, decorative ring.
Detailed Description
The invention will be further described with reference to specific examples and figures.
Example 1
Referring to fig. 1, the biological recognition module with pressure sensing function of the present invention includes a cover plate 1, a chip 2, a first flexible circuit board 3, a second flexible circuit board 4 and a reinforcing plate 5, which are sequentially arranged from top to bottom; the tail of the second flexible circuit board 4 is folded to the lower side of the reinforcing plate 5 and fixed with the lower surface of the reinforcing plate 5; an isolation layer 6 is fixed on the lower surface of the second flexible circuit board 4; the tail of the first flexible circuit board 3 is folded to the lower side of the isolation layer 6 and fixed with the lower surface of the isolation layer 6; the tail part of the first flexible circuit board 3 is provided with a first pressure sensing electrode 3.4, and the tail part of the second flexible circuit board 4 is provided with a second pressure sensing electrode 4.4; the first pressure sensing electrode 3.4 is aligned with the second pressure sensing electrode 4.4; the first pressure sensing electrode 3.4 and the second pressure sensing electrode 4.4 are in circuit connection with the chip 2. The first flexible circuit board 3 and the second flexible circuit board 4 are fixed through a first adhesive.
The cover plate 1 is connected with the chip 2 through an adhesive, and the chip 2 is connected with the first flexible circuit board 3 through soldering. The cover plate 1 and the periphery of the chip 2 are provided with decorative rings 7, and the decorative rings 7 are connected with the first flexible circuit board 3 through an adhesive. The chip 2 is internally provided with a biological recognition sensing electrode matrix, a biological recognition sensing control circuit and a pressure sensing control circuit. The biological recognition sensing electrode matrix and the biological recognition sensing control circuit scan and judge the biological characteristics of the finger. The pressure sensing control circuit calculates the pressure of the finger through the change of the capacitance between the first pressure sensing electrode 3.4 and the second pressure sensing electrode 4.4, thereby providing a pressure sensing function for the biological recognition module. The cover plate is made of glass, sapphire or ceramic. The decorative ring is made of stainless steel, aluminum alloy or plastic.
The first flexible circuit board 3 comprises a first cover film 3.1, a first copper foil layer 3.2 and a first base film 3.3 which are sequentially arranged from top to bottom; the first pressure sensing electrode 3.4 is arranged at the tail part of the first copper foil layer 3.2. The tail part of the first copper foil layer 3.2 is provided with a specific pattern to form the first pressure sensing electrode 3.4. The tail part of the first base film 3.3 is coated outside the upper surface of the first pressure sensing electrode 3.4. The upper surface of the tail part of the first base film 3.3 is fixed with the lower surface of the isolation layer 6.
The second flexible circuit board 4 comprises a second base film 4.1, a second copper foil layer 4.2 and a second covering film 4.3 which are sequentially arranged from top to bottom; the second pressure sensing electrode 4.4 is arranged at the tail part of the second copper foil layer 4.2, and the second pressure sensing electrode 4.4 is arranged at the tail part of the second copper foil layer 4.2. The tail part of the second copper foil layer 4.2 is provided with a specific pattern to form the second pressure sensing electrode 4.4. The tail part of the second base film 4.1 is coated outside the lower surface of the second pressure sensing electrode 4.4; the lower surface of the tail part of the second base film 4.1 is fixed with the upper surface of the isolation layer 6.
The working principle of the biological identification module with the pressure sensing function is as follows: when a finger presses the surface of the cover plate 1, the biological recognition sensing electrode matrix and the biological recognition sensing control circuit scan and judge the biological characteristics of the finger. The isolation layer 6 deforms under the pressure action of the finger, so that the distance between the first pressure sensing electrode 3.4 and the second pressure sensing electrode 4.4 changes, the capacitance between the first pressure sensing electrode and the second pressure sensing electrode changes, and the pressure sensing control circuit calculates the pressure of the finger through the change of the capacitance between the first pressure sensing electrode and the second pressure sensing electrode, so that the pressure sensing function is provided for the biological recognition module.
Example two
Referring to fig. 2, the biological recognition module with pressure sensing function of the present invention includes a cover plate 1, a chip 2, a first flexible circuit board 3, a second flexible circuit board 4 and a reinforcing plate 5, which are sequentially arranged from top to bottom; the tail of the second flexible circuit board 4 is folded to the lower side of the reinforcing plate 5 and fixed with the lower surface of the reinforcing plate 5; an isolation layer 6 is fixed on the lower surface of the second flexible circuit board 4; the tail of the first flexible circuit board 3 is folded to the lower side of the isolation layer 6 and fixed with the lower surface of the isolation layer 6; the tail part of the first flexible circuit board 3 is provided with a first pressure sensing electrode 3.4, and the tail part of the second flexible circuit board 4 is provided with a second pressure sensing electrode 4.4; the first pressure sensing electrode 3.4 is aligned with the second pressure sensing electrode 4.4; the first pressure sensing electrode 3.4 and the second pressure sensing electrode 4.4 are in circuit connection with the chip 2. The first flexible circuit board 3 and the second flexible circuit board 4 are fixed through a first adhesive.
The cover plate 1 is connected with the chip 2 through an adhesive, and the chip 2 is connected with the first flexible circuit board 3 through soldering. The cover plate 1 and the periphery of the chip 2 are provided with decorative rings 7, and the decorative rings 7 are connected with the first flexible circuit board 3 through an adhesive. The chip 2 is internally provided with a biological recognition sensing electrode matrix, a biological recognition sensing control circuit and a pressure sensing control circuit. The biological recognition sensing electrode matrix and the biological recognition sensing control circuit scan and judge the biological characteristics of the finger. The pressure sensing control circuit calculates the pressure of the finger through the change of the capacitance between the first pressure sensing electrode 3.4 and the second pressure sensing electrode 4.4, thereby providing a pressure sensing function for the biological recognition module. The cover plate 1 is made of glass, sapphire or ceramic. The decorative ring 7 is made of stainless steel, aluminum alloy or plastic.
The first flexible circuit board 3 comprises a first cover film 3.1, a first copper foil layer 3.2 and a first base film 3.3 which are sequentially arranged from top to bottom; the first pressure sensing electrode 3.4 is arranged at the tail part of the first copper foil layer 3.2. The tail part of the first copper foil layer 3.2 is provided with a specific pattern to form the first pressure sensing electrode 3.4. The upper surface of the first pressure sensing electrode 3.4 is exposed outside the first base film 3.3, and the upper surface of the first pressure sensing electrode 3.4 is fixed with the lower surface of the isolation layer 6.
The second flexible circuit board 4 comprises a second base film 4.1, a second copper foil layer 4.2 and a second covering film 4.3 which are sequentially arranged from top to bottom; the second pressure sensing electrode 4.4 is arranged at the tail part of the second copper foil layer 4.2, and the second pressure sensing electrode 4.4 is arranged at the tail part of the second copper foil layer 4.2. The tail part of the second copper foil layer 4.2 is provided with a specific pattern to form the second pressure sensing electrode 4.4. The lower surface of the second pressure sensing electrode 4.4 is exposed outside the tail of the second base film 4.1, and the lower surface of the second pressure sensing electrode 4.4 is fixed with the upper surface of the isolation layer 6.
The working principle of the biological identification module with the pressure sensing function is as follows: when a finger presses the surface of the cover plate 1, the biological recognition sensing electrode matrix and the biological recognition sensing control circuit scan and judge the biological characteristics of the finger. The isolation layer 6 deforms under the pressure action of the finger, so that the distance between the first pressure sensing electrode 3.4 and the second pressure sensing electrode 4.4 changes, the capacitance between the first pressure sensing electrode and the second pressure sensing electrode changes, and the pressure sensing control circuit calculates the pressure of the finger through the change of the capacitance between the first pressure sensing electrode and the second pressure sensing electrode, so that the pressure sensing function is provided for the biological recognition module.
Claims (7)
1. The utility model provides a take pressure sensing function's biological identification module which characterized in that: the device comprises a cover plate, a chip, a first flexible circuit board, a second flexible circuit board and a reinforcing plate which are sequentially arranged from top to bottom; the tail of the second flexible circuit board is folded to the lower side of the reinforcing plate and fixed with the lower surface of the reinforcing plate; an isolation layer is fixed on the lower surface of the second flexible circuit board; the tail of the first flexible circuit board is folded to the lower side of the isolation layer and fixed with the lower surface of the isolation layer; the tail part of the first flexible circuit board is provided with a first pressure sensing electrode, and the tail part of the second flexible circuit board is provided with a second pressure sensing electrode; the first pressure sensing electrode is aligned with the second pressure sensing electrode; the first pressure sensing electrode and the second pressure sensing electrode are connected with the chip circuit; the first flexible circuit board comprises a first cover film, a first copper foil layer and a first base film which are sequentially arranged from top to bottom; the first pressure sensing electrode is arranged at the tail part of the first copper foil layer; the upper surface of the first pressure sensing electrode is exposed out of the first base film, and the upper surface of the first pressure sensing electrode is fixed with the lower surface of the isolation layer; the cover plate is connected with the chip through an adhesive.
2. The biometric module with pressure sensing function according to claim 1, wherein: the tail part of the first base film is coated outside the upper surface of the first pressure sensing electrode; the upper surface of the tail part of the first base film is fixed with the lower surface of the isolation layer.
3. The biometric module with pressure sensing function according to claim 1 or 2, wherein: the second flexible circuit board comprises a second base film, a second copper foil layer and a second covering film which are sequentially arranged from top to bottom; the second pressure sensing electrode is arranged at the tail part of the second copper foil layer.
4. The pressure sensing enabled biometric module of claim 3, wherein: the lower surface of the second pressure sensing electrode is exposed out of the tail part of the second base film, and the lower surface of the second pressure sensing electrode is fixed with the upper surface of the isolation layer.
5. The pressure sensing enabled biometric module of claim 3, wherein: the tail part of the second base film is coated outside the lower surface of the second pressure sensing electrode; the lower surface of the tail part of the second base film is fixed with the upper surface of the isolation layer.
6. The biometric module with pressure sensing function according to claim 1, wherein: the isolating layer is made of elastic material.
7. The pressure sensing function of the biometric module of claim 6, wherein: the elastic material is silica gel or a pressure-sensitive material.
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| CN201710180329.4A CN107145254B (en) | 2017-03-24 | 2017-03-24 | Biological identification module with pressure sensing function |
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| CN201710180329.4A CN107145254B (en) | 2017-03-24 | 2017-03-24 | Biological identification module with pressure sensing function |
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| CN107145254B true CN107145254B (en) | 2023-05-23 |
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| CN110687180B (en) * | 2019-10-16 | 2021-12-14 | 深圳市刷新智能电子有限公司 | Miniature assembled layered biosensor structure |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014182323A (en) * | 2013-03-21 | 2014-09-29 | Seiko Epson Corp | Interference filter, optical filter device, optical module, and electronic equipment |
| CN104364742A (en) * | 2012-04-23 | 2015-02-18 | 高通Mems科技公司 | Touch screen with bridged force-sensitive resistors |
| CN104919394A (en) * | 2012-11-20 | 2015-09-16 | 三星电子株式会社 | User gesture input to wearable electronic device involving movement of device |
| CN105117055A (en) * | 2015-08-14 | 2015-12-02 | 宸鸿科技(厦门)有限公司 | Touch pressed type three-dimensional signal input device, application method and multi-functional touch control panel |
| CN105320373A (en) * | 2014-07-30 | 2016-02-10 | Lg伊诺特有限公司 | Touch panel |
| CN105556268A (en) * | 2013-10-07 | 2016-05-04 | 三井化学株式会社 | Pressing-force detection device, and pressing-force-detecting touch panel |
| CN105825194A (en) * | 2016-03-25 | 2016-08-03 | 邓力 | Integrated fingerprint identification module and preparation method thereof |
| CN105892568A (en) * | 2014-05-14 | 2016-08-24 | Lg电子株式会社 | Mobile terminal |
| CN105938550A (en) * | 2016-06-20 | 2016-09-14 | 深圳天珑无线科技有限公司 | Fingerprint identification module with pressure sensing, and electronic device |
| CN106384105A (en) * | 2016-10-29 | 2017-02-08 | 南昌欧菲生物识别技术有限公司 | Manufacturing method of fingerprint recognition module |
| CN106406588A (en) * | 2015-07-27 | 2017-02-15 | 南昌欧菲光科技有限公司 | Touch control display device |
| CN106445242A (en) * | 2016-10-31 | 2017-02-22 | 北京小米移动软件有限公司 | Pressure touch control device and electronic device |
| CN106469624A (en) * | 2015-08-21 | 2017-03-01 | 联想移动通信软件（武汉）有限公司 | A kind of terminal side switch and terminal |
| CN206848978U (en) * | 2017-03-24 | 2018-01-05 | 江西合力泰科技有限公司 | Bio-identification module with pressure inducing function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008065762A (en) * | 2006-09-11 | 2008-03-21 | Fujitsu Component Ltd | Touch panel which has high environmental durability, and its manufacturing method |
-
2017
- 2017-03-24 CN CN201710180329.4A patent/CN107145254B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104364742A (en) * | 2012-04-23 | 2015-02-18 | 高通Mems科技公司 | Touch screen with bridged force-sensitive resistors |
| CN104919394A (en) * | 2012-11-20 | 2015-09-16 | 三星电子株式会社 | User gesture input to wearable electronic device involving movement of device |
| JP2014182323A (en) * | 2013-03-21 | 2014-09-29 | Seiko Epson Corp | Interference filter, optical filter device, optical module, and electronic equipment |
| CN105556268A (en) * | 2013-10-07 | 2016-05-04 | 三井化学株式会社 | Pressing-force detection device, and pressing-force-detecting touch panel |
| CN105892568A (en) * | 2014-05-14 | 2016-08-24 | Lg电子株式会社 | Mobile terminal |
| CN105320373A (en) * | 2014-07-30 | 2016-02-10 | Lg伊诺特有限公司 | Touch panel |
| CN106406588A (en) * | 2015-07-27 | 2017-02-15 | 南昌欧菲光科技有限公司 | Touch control display device |
| CN105117055A (en) * | 2015-08-14 | 2015-12-02 | 宸鸿科技(厦门)有限公司 | Touch pressed type three-dimensional signal input device, application method and multi-functional touch control panel |
| CN106469624A (en) * | 2015-08-21 | 2017-03-01 | 联想移动通信软件（武汉）有限公司 | A kind of terminal side switch and terminal |
| CN105825194A (en) * | 2016-03-25 | 2016-08-03 | 邓力 | Integrated fingerprint identification module and preparation method thereof |
| CN105938550A (en) * | 2016-06-20 | 2016-09-14 | 深圳天珑无线科技有限公司 | Fingerprint identification module with pressure sensing, and electronic device |
| CN106384105A (en) * | 2016-10-29 | 2017-02-08 | 南昌欧菲生物识别技术有限公司 | Manufacturing method of fingerprint recognition module |
| CN106445242A (en) * | 2016-10-31 | 2017-02-22 | 北京小米移动软件有限公司 | Pressure touch control device and electronic device |
| CN206848978U (en) * | 2017-03-24 | 2018-01-05 | 江西合力泰科技有限公司 | Bio-identification module with pressure inducing function |
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