CN111563400B - Fingerprint identification module with microneedle sensing unit - Google Patents
Fingerprint identification module with microneedle sensing unit Download PDFInfo
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- CN111563400B CN111563400B CN201910114618.3A CN201910114618A CN111563400B CN 111563400 B CN111563400 B CN 111563400B CN 201910114618 A CN201910114618 A CN 201910114618A CN 111563400 B CN111563400 B CN 111563400B
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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
- G06V40/70—Multimodal biometrics, e.g. combining information from different biometric modalities
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Abstract
The invention discloses a fingerprint identification module with a microneedle sensing unit, which is arranged on an electronic device and comprises a fingerprint identification unit and a microneedle sensing unit. The fingerprint identification unit is arranged on the electronic device and is electrically connected with a main board of the electronic device. The micro-needle sensing unit is arranged on the fingerprint identification unit and is electrically connected with the main board of the electronic device. The fingerprint identification unit is used for identifying the correctness of the biological characteristics sensed by the fingerprint and micro-needle sensing unit, and the electronic device can be accessed after the fingerprint and the biological characteristics are compared and the identity judgment signal is correct.
Description
Technical Field
The present invention relates to a fingerprint identification module, and more particularly, to a fingerprint identification module with a microneedle sensor.
Background
The biological recognition technology is always an indispensable technology in anti-theft passwords, at least 10 different development directions exist in the current biological recognition part, such as retina, iris, face and other recognition technologies commonly seen by various electric appliances or access control systems, and common fingerprint, palm print and voiceprint recognition are also adopted. The most common among these is fingerprint recognition technology, and thus many fingerprint recognizers have been developed.
The fingerprint identifier consists of software and hardware, the hardware part is a fingerprint sensor for collecting fingerprints, the fingerprint sensor can be divided into a capacitive sensor and an optical sensor according to the technology, specific characteristic points can be grasped through the change of wave crests, wave troughs and ridges when the fingerprints are identified, the characteristic points of each person are different, and fingerprint files in a database are compared through a fingerprint identification algorithm to judge the correctness of the fingerprints.
Although fingerprint identifiers have been used for years on keys or screens on electronic devices to identify whether the user's identity of the electronic device is correct, the electronic device may begin to be used. However, the fingerprint identifier is easy to crack, and the fingerprint identification method can be used for manufacturing a model capable of copying fingerprints through a mixture of tooth filling materials and clay or through a 3D printing technology, and can crack when the model is taken to the fingerprint identifier for identification.
Disclosure of Invention
The invention aims to overcome the defects of the traditional technology, and can not only identify the fingerprint of a user, but also sense the biological characteristics of the human body of the user so as to achieve double anti-theft measures.
In order to achieve the above-mentioned objective, the present invention provides a fingerprint identification module with a micro-needle sensing unit, which is installed on a key of an electronic device, and comprises a fingerprint identification unit and a micro-needle sensing unit. The fingerprint identification unit is arranged on a key of the electronic device and is electrically connected with a main board of the electronic device. The micro-needle sensing unit is arranged on the fingerprint identification unit and is electrically connected with the main board of the electronic device, and the micro-needle sensing unit consists of a plurality of tiny micro-needles. The fingerprint identification unit is used for identifying the correctness of the fingerprint and the tissue fluid sensed by the microneedle sensing unit, and the electronic device can be accessed after the fingerprint and the tissue fluid are compared and the identity judgment signal is correct.
In an embodiment of the invention, the fingerprint identification unit is an optical fingerprint identifier or a capacitive fingerprint identifier.
In an embodiment of the invention, the optical fingerprint identifier comprises a circuit board, an image sensor, a lens, a light transmission plate and a three-dimensional optical plate. The circuit board is provided with a plurality of luminous bodies. The image sensor is electrically connected to the circuit board and is positioned in the middle of the luminous bodies so as to read the fingerprint image light source reflected after being irradiated by the luminous bodies. The lens is positioned above the image sensor to focus the reflected fingerprint image light source for reading by the image sensor. The light transmission plate is positioned above the lens, the center of the light transmission plate is provided with a light transmission area, the light sources of the luminous bodies irradiate the fingerprint through the light transmission area, and fingerprint image light sources reflected by the fingerprint pass through the light transmission area at the center of the light transmission plate and are focused by the lens and then are transmitted to the image sensor for reading. The three-dimensional optical plate is positioned above the light transmission plate for placing fingers.
In an embodiment of the invention, the light emitting body is a light emitting diode.
In an embodiment of the invention, the image sensor is a charge coupled device or a complementary metal oxide semiconductor.
In one embodiment of the present invention, the capacitive fingerprint sensor includes a substrate and a cover. The substrate is provided with a plurality of sensing electrode layers which are arranged in a matrix. The cover plate is arranged on the base plate.
In an embodiment of the invention, the microneedle sensing unit is attached to a surface of a three-dimensional optical plate of the optical fingerprint identifier.
In an embodiment of the present invention, a through hole is disposed on the three-dimensional optical board, and a wire electrically connected to the micro-needle sensing unit passes through the through hole of the three-dimensional optical board and is electrically connected to the circuit board or the motherboard of the electronic device.
In an embodiment of the invention, the microneedle sensing unit is attached to a surface of a cover plate of the capacitive fingerprint identifier.
In an embodiment of the invention, a through hole is formed on the cover plate, and the conductive wire electrically connected to the micro needle sensing unit passes through the through hole of the cover plate and is electrically connected to the motherboard of the electronic device.
The invention adds a group of microneedle sensing units on the existing fingerprint identification unit to form a brand new identification module, which not only can identify the fingerprint of the user, but also can sense the biological characteristics of the human body of the user so as to achieve double anti-theft measures.
Drawings
FIG. 1 is a schematic diagram of an identification module and an electronic device with micro-pins and fingerprints according to the present invention;
FIG. 2 is an exploded view of the optical fingerprint sensor and the micro-needle sensing unit according to the present invention;
FIG. 3 is a schematic side view of FIG. 2;
fig. 4 is a schematic side view of the capacitive fingerprint sensor and the microneedle sensor according to the present invention.
In the figure:
a fingerprint identification unit 1; an optical fingerprint identifier 1a; a circuit board 11a; a light-emitting body 111a; an image sensor 12a;
a lens 13a; the method comprises the steps of carrying out a first treatment on the surface of the A light transmission plate 14a; a light transmitting region 141a; a three-dimensional optical plate 15a; a capacitive fingerprint identifier 1b;
a substrate 11b; a sense electrode layer 111b; a cover plate 12b; a microneedle sensing unit 2; a microneedle 21; an electronic device 3;
a key 31; a finger 4; a fingerprint 41; fingerprint peaks 411; fingerprint valleys 412.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the invention, so that those skilled in the art may better understand the invention and practice it.
Referring to fig. 1, an identification module with micro-pins and fingerprint and an electronic device according to the present invention are shown. As shown in the figure: the fingerprint identification module with the microneedle sensing unit comprises a fingerprint identification unit 1 and a microneedle sensing unit 2. When the user needs to start the electronic device 3, the user places a finger (not shown in the figure) on the key 31, and can identify whether the fingerprint of the user is correct through the fingerprint identification unit 1 of the optical fingerprint identifier (described in detail later) or the capacitive fingerprint identifier (described in detail later), if the fingerprint identification is correct, the electronic device 3 can be started for use, or the microneedle sensing unit 2 arranged on the key 31 can be reused for puncturing the epidermis of the user's finger so as to sample the biological characteristics of the user for identity confirmation, and after the identification signals of the fingerprint and the biological characteristics of the user are correct, the user can enter the electronic device 3 for use. In this figure, the biological feature is interstitial fluid (interstitial fluid, tissue fluid, also called interstitial fluid, interstitial fluid).
Referring to fig. 2 and 3, the optical fingerprint sensor and the microneedle sensor of the present invention are exploded and shown in fig. 2. As shown in the drawings, the optical fingerprint sensor 1a used in the fingerprint recognition unit 1 of the present invention is a conventional art, and the present invention is briefly described herein, and the optical fingerprint sensor 1a includes a circuit board 11a, an image sensor 12a, a lens 13a, a light-transmitting plate 14a and a three-dimensional optical plate 15a.
The circuit board 11a has a plurality of light emitters 111a thereon, and the light emitters 111a provide the light source required for fingerprint recognition. In the present drawing, the light emitting body 111a is a light emitting diode.
The image sensor 12a is electrically connected to the circuit board 11a and is located in the middle of the light emitters 111 a. To read the fingerprint image light reflected by the light emitters 111 a. In this figure, the image sensor 12a is a charge coupled device (Charge Couple Device, CCD) or a complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor, CMOS).
The lens 13a is located above the image sensor 12a to focus the reflected fingerprint image light source for the image sensor 12a to read.
The light transmitting plate (Light Tansmittance Plate) 14a is located above the lens 13a, the light transmitting plate 14a can be used for the light sources of the light emitters 111a to irradiate the fingerprint of the user on the three-dimensional optical plate 15a, and the fingerprint image light reflected by the fingerprint passes through the light transmitting area 141a at the center of the light transmitting plate 14a, is focused by the lens 13a and is transmitted to the image sensor 12a for reading.
The three-dimensional Optical Plate (3D Optical Plate) 15a is located above the light-transmitting Plate 14a for the user to place the finger 4. In the present figure, the three-dimensional optical plate 15a is a key 31 of the electronic device 3.
The microneedle sensor unit 2 is disposed on the three-dimensional Optical Plate (3D Optical Plate) 15a, and a through hole (not shown) is formed on the three-dimensional Optical Plate 15a, so that a wire (not shown) electrically connected to the microneedle sensor unit 2 passes through the three-dimensional Optical Plate 15a or the cover Plate 12b and is electrically connected to the circuit board 11a or the main board of the electronic device. The microneedle sensing unit 2 is composed of a plurality of fine microneedles 21. After the finger 4 of the user is placed on the three-dimensional optical plate 15a, the circuit board 11a drives the light emitters 111a to generate light sources, the light sources penetrate through the light transmission plate 14a to irradiate the three-dimensional optical plate 15a, the fingerprint 41 (the fingerprint can capture specific characteristic points through the change of the ridges of the fingerprint peak 411, the fingerprint valley 412 and the fingerprint peak 411, and the characteristic points of each person are different) of the finger 4 can be captured by the change of the ridges of the fingerprint peak 411, the reflection of the image light sources passes through the light transmission area 141a in the center of the light transmission plate 14a, is focused by the lens 13a, is read by the image sensor 12a, and is transmitted to a main board (not shown in the figure) in the electronic device 3 by the circuit board 11a for fingerprint comparison.
Meanwhile, the micro needles 21 perform skin penetration on the fingerprints of the fingers, so that the pain of the user can be effectively reduced by low-invasive penetration, and the signals for sampling the biological characteristics to judge the identity of the user can be simultaneously obtained, so that the identity recognition of the user with the most effective effect can be further achieved.
Referring to fig. 4, a schematic side view of a capacitive fingerprint sensor according to the present invention is shown. As shown in the drawings, the capacitive fingerprint sensor 1b of the present invention is a conventional art, and the present invention is briefly described herein, and the capacitive fingerprint sensor 1b includes a substrate 11b and a cover 12b. The substrate 11b has a plurality of sensing electrode layers 111b arranged in a matrix, and the cover plate 12b is disposed on the substrate 11 b. In the present figure, the cover 12b is a key 31 of the electronic device 3.
The microneedle sensor unit 2 is disposed on the surface of the cover 12b of the capacitive fingerprint sensor 1b, and a through hole (not shown) is formed in the cover 12b, so that a wire (not shown) electrically connected to the microneedle sensor unit 2 passes through the cover 12b and is electrically connected to the circuit board 11a or the motherboard of the electronic device. The microneedle sensing unit 2 is composed of a plurality of fine microneedles 21.
When the finger 4 of the user is placed on the surface of the cover plate 12b of the capacitive fingerprint identifier 1b, the fingerprint peaks 411 and the fingerprint valleys 412 on the fingerprint 41 and the variation of the ridges of the fingerprint peaks 411 and the sensing electrode layer 111b generate different capacitance variations, and the capacitance variations are sensed by the sensing electrode layer 111b of the substrate 11b and transmitted to an electronic device (not shown) for comparison and judgment, so as to obtain whether the sensed fingerprint 41 is the signal of the original set user fingerprint 41 of the electronic device.
Meanwhile, the micro needles 21 perform skin penetration on the fingerprints of the fingers, so that the pain of the user can be effectively reduced by low-invasive penetration, and the signals for sampling the biological characteristics to judge the identity of the user can be simultaneously obtained, so that the identity recognition of the user with the most effective effect can be further achieved.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A fingerprint identification module with microneedle sensing unit, installed on an electronic device, comprising:
the fingerprint identification unit is arranged on a key of the electronic device and is electrically connected with a main board of the electronic device;
the micro-needle sensing unit is arranged on the key of the fingerprint identification unit and is electrically connected with the main board of the electronic device, and the micro-needle sensing unit consists of a plurality of tiny micro-needles;
the fingerprint identification unit is used for identifying the correctness of the fingerprint and the tissue fluid sensed by the microneedle sensing unit, and the fingerprint and the tissue fluid can enter the electronic device after the comparison judgment signal of the fingerprint and the tissue fluid is correct.
2. The fingerprint recognition module with the microneedle sensor of claim 1, wherein the fingerprint recognition unit is an optical fingerprint recognizer or a capacitive fingerprint recognizer.
3. The fingerprint recognition module with the microneedle sensor as set forth in claim 2, wherein the optical fingerprint recognizer comprises
A circuit board having a plurality of light emitters thereon;
the image sensor is electrically connected to the circuit board and positioned in the middle of the plurality of luminous bodies so as to read fingerprint image light sources reflected by the plurality of luminous bodies after being irradiated;
a lens above the image sensor to focus the reflected fingerprint image light source for reading;
the light transmission plate is positioned above the lens, the center of the light transmission plate is provided with a light transmission area, the light transmission plate enables the light sources of the luminous bodies to irradiate the fingerprint, and the fingerprint image light source reflected by the fingerprint passes through the light transmission area at the center of the light transmission plate, is focused by the lens and is transmitted to the image sensor for reading;
and the three-dimensional optical plate is positioned above the light transmission plate for placing fingers.
4. The fingerprint recognition module with a microneedle sensor of claim 3, wherein the light emitter is a light emitting diode.
5. The fingerprint recognition module with the micro-needle sensing unit according to claim 4, wherein the image sensor is a charge coupled device or a complementary metal oxide semiconductor.
6. The fingerprint recognition module with the microneedle sensor as set forth in claim 2, wherein the capacitive fingerprint recognizer comprises
A substrate having a plurality of sensing electrode layers arranged in a matrix;
and the cover plate is arranged on the substrate.
7. The fingerprint recognition module with a microneedle sensor unit of claim 3, wherein the microneedle sensor unit is attached to a surface of a three-dimensional optical plate of the optical fingerprint recognizer.
8. The fingerprint recognition module with the micro-needle sensing unit according to claim 7, wherein a through hole is formed on the three-dimensional optical plate, and a wire electrically connected with the micro-needle sensing unit passes through the through hole of the three-dimensional optical plate and is electrically connected with the circuit board or a main board of the electronic device.
9. The fingerprint recognition module of claim 6, wherein the microneedle sensor is attached to a surface of a cover plate of the capacitive fingerprint recognizer.
10. The fingerprint identification module of claim 9, wherein the cover plate has a through hole, and the conductive wire electrically connected to the micro needle sensing unit passes through the through hole of the cover plate and is electrically connected to the motherboard of the electronic device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114618.3A CN111563400B (en) | 2019-02-14 | 2019-02-14 | Fingerprint identification module with microneedle sensing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114618.3A CN111563400B (en) | 2019-02-14 | 2019-02-14 | Fingerprint identification module with microneedle sensing unit |
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| CN111563400A CN111563400A (en) | 2020-08-21 |
| CN111563400B true CN111563400B (en) | 2023-08-04 |
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| CN106529454A (en) * | 2016-10-28 | 2017-03-22 | 京东方科技集团股份有限公司 | Biological recognition device and biological recognition method |
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| CN207182343U (en) * | 2017-09-15 | 2018-04-03 | 南昌欧菲生物识别技术有限公司 | Optical finger print recognizer component and electronic installation |
| TW202028979A (en) * | 2019-01-29 | 2020-08-01 | 巧連科技股份有限公司 | Micro-needle and finger-print identifying module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI536273B (en) * | 2014-08-26 | 2016-06-01 | Gingy Technology Inc | Photoelectric fingerprint identification device |
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2019
- 2019-02-14 CN CN201910114618.3A patent/CN111563400B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276406A (en) * | 2007-03-29 | 2008-10-01 | 鸿富锦精密工业（深圳）有限公司 | Fingerprint identification device and portable electronic device |
| CN104334390A (en) * | 2012-06-29 | 2015-02-04 | 国际商业机器公司 | Providing an id-verified blood test |
| CN107622222A (en) * | 2016-07-13 | 2018-01-23 | 金佶科技股份有限公司 | Fingeprint distinguisher and the method for sensing using its physiological signal |
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| CN207182339U (en) * | 2017-09-15 | 2018-04-03 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition component and electronic installation |
| CN207182343U (en) * | 2017-09-15 | 2018-04-03 | 南昌欧菲生物识别技术有限公司 | Optical finger print recognizer component and electronic installation |
| TW202028979A (en) * | 2019-01-29 | 2020-08-01 | 巧連科技股份有限公司 | Micro-needle and finger-print identifying module |
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| CN111563400A (en) | 2020-08-21 |
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