TWI732172B - Micro-needle and finger-print identifying module - Google Patents

Abstract

A micro-needle and finger-print identifying module is arranged on an electronic apparatus. The micro-needle and finger-print identifying module includes a finger-print identifying unit and a micro-needle sensing unit. The finger-print identifying unit is arranged on the electronic apparatus, and is electrically connected to a mainboard of the electronic apparatus. The micro-needle sensing unit is arranged on the finger-print identifying unit, and is electrically connected to the mainboard of the electronic apparatus. Moreover, the finger-print identifying unit identifies a correctness of a fingerprint and a biological feature sensed by the micro-needle sensing unit. After a signal for comparing the fingerprint and the biological feature to determine an identification is correct, the electronic apparatus can be entered.

Description

Microneedle and fingerprint identification module

The present invention relates to an identification module, in particular to a sensing module with a microneedle and fingerprint identification function for sampling human biological characteristics.

Biometrics has always been an indispensable technology in anti-theft passwords. At present, there are at least nearly 10 different development directions for biometrics, such as the retina, iris, and face that are commonly seen in various electrical systems or access control systems. Recognition technologies such as fingerprints, palmprints, and voiceprints are already common. Among these, the most common is fingerprint recognition technology, so many fingerprint readers have been developed.

The fingerprint reader is composed of software and hardware. The hardware part is a fingerprint sensor, which is used to collect fingerprints. According to the technology, it can be divided into capacitive and optical sensors. Fingerprints are recognized through the change of peaks and valleys and ridges. , You can catch a specific feature point, and each person’s feature point is different. The fingerprint recognition algorithm is used to compare the fingerprint files in the database through the algorithm to determine the correctness of the fingerprint.

Although, fingerprint readers have been used on buttons or screens on electronic devices over the years to identify whether the identity of the user of the electronic device is correct, and then the electronic device can be used. But the fingerprint reader is also easy to crack. The method of cracking the fingerprint recognition can be through some mixtures of tooth filling materials and clay, or through 3D printing technology, you can create a model that can replicate fingerprints, and get this model. When it is recognized on the fingerprint reader, the fingerprint recognition can be cracked.

Therefore, the main purpose of the present invention is to solve the traditional deficiencies. The present invention adds a set of micro-needle sensing units to the existing fingerprint recognition unit to form a brand-new recognition module, which can not only recognize the user’s fingerprints, but also sense Measure the biological characteristics of the user's human body to achieve dual anti-theft measures.

To achieve the above objective, the present invention provides a microneedle and fingerprint recognition module, which is installed on an electronic device, and includes a fingerprint recognition unit and a microneedle sensing unit. The fingerprint identification unit is installed on the electronic device and is electrically connected to the main board of the electronic device. The microneedle sensing unit is arranged on the fingerprint recognition unit and is electrically connected to the main board of the electronic device. Wherein, the fingerprint recognition unit is used to recognize the correctness of the fingerprint and the biological characteristics sensed by the microneedle sensing unit. After the fingerprint and the biological characteristics are compared to determine the correctness of the identity signal, the electronic device can be used.

In an embodiment of the present invention, the fingerprint recognition unit and the microneedle sensing unit are arranged on the keys of the electronic device.

In an embodiment of the present invention, the fingerprint recognition unit is an optical fingerprint recognizer or a capacitive fingerprint recognizer.

In an embodiment of the present invention, the optical fingerprint reader includes: a circuit board, an image sensor, a lens, a light transmission plate, and a three-dimensional optical plate. The circuit board has a plurality of luminous bodies. The image sensor is electrically connected to the circuit board and located in the middle of the luminous bodies to read the fingerprint image light source reflected by the luminous bodies. The lens is located above the image sensor to focus the reflected fingerprint image light source for the image sensor to read. The light transmission plate is located above the lens, and the upper center has a light transmission area. The light transmission plate allows the light sources of the luminous bodies to pass through and irradiate the fingerprints. Above, the fingerprint image light source reflected by the fingerprint passes through the light-transmitting area at the center of the light transmission plate, and is focused by the lens and transmitted to the image sensor for reading. The three-dimensional optical plate is located above the light transmission plate for placing fingers.

In an embodiment of the present invention, the light-emitting body is a light-emitting diode.

In an embodiment of the present invention, the image sensor is a charge coupled device or a complementary metal oxide semiconductor.

In an embodiment of the present invention, the capacitive fingerprint reader includes: a substrate and a cover. The substrate has a plurality of sensing electrode layers arranged in a matrix. The cover plate is arranged on the base plate.

In an embodiment of the present invention, the microneedle sensing unit is attached to the surface of the three-dimensional optical plate of the optical fingerprint reader.

In an embodiment of the present invention, the three-dimensional optical board is provided with a through hole, and the wire electrically connected to the microneedle sensing unit passes through the through hole of the three-dimensional optical board and the main board of the circuit board or electronic device Electrical connection.

In an embodiment of the present invention, the microneedle sensing unit is attached to the surface of the cover plate of the capacitive fingerprint reader.

In an embodiment of the present invention, the cover plate is provided with a through hole, and the wire electrically connected to the microneedle sensing unit passes through the through hole of the cover plate and is electrically connected to the main board of the electronic device.

In an embodiment of the present invention, the microneedle sensing unit is composed of a plurality of small microneedles.

In an embodiment of the present invention, the biological feature is tissue fluid.

1: Fingerprint recognition unit

1a: Optical fingerprint reader

11a: circuit board

111a: luminous body

12a: Image sensor

13a: lens

14a: light transmission plate

141a: Transmissive area

15a: Three-dimensional optical plate

1b: Capacitive fingerprint reader

11b: substrate

111b: Sensing electrode layer

12b: cover

2: Microneedle sensing unit

21: Microneedle

3: electronic device

31: Button

4: fingers

41: Fingerprint

411: Fingerprint Peak

412: Fingerprint Valley

Figure 1 is a schematic diagram of the identification module and electronic device with microneedles and fingerprints of the present invention; Figure 2 is an exploded schematic view of the optical fingerprint reader and microneedle sensing unit of the present invention; Figure 3 is a side view of Figure 2 Schematic view; Figure 4 is a schematic side view of the capacitive fingerprint reader and microneedle sensing unit of the present invention.

The technical content and detailed description of the present invention are now described in conjunction with the drawings as follows: Please refer to FIG. 1, which is a schematic diagram of the configuration of the identification module with microneedles and fingerprints and the electronic device of the present invention. As shown in the figure, the microneedle and fingerprint recognition module of the present invention includes: a fingerprint recognition unit 1 and a microneedle sensing unit 2. The fingerprint recognition unit 1 and the microneedle sensing unit 2 are arranged on the button 31 of the electronic device 3. When the user needs to activate the electronic device 3, the user places his finger (not shown) On the button 31, the fingerprint recognition unit 1 of the optical fingerprint reader (detailed later) or capacitive fingerprint reader (detailed later) can be used to recognize whether the fingerprint of the user's finger is correct. If the fingerprint is correctly recognized , That is, the electronic device 3 can be activated for use, or the microneedle sensing unit 2 arranged on the button 31 can be used to puncture the epidermis of the user’s finger to sample the user’s body biological characteristics for the user’s After the identification, the fingerprint and the identification signal of the biological characteristics of the human body are correct, the user will be able to enter the electronic device 3 system for use. This dual anti-theft setting can prevent the electronic device 3 from entering the system by unscrupulous persons Used in. In this diagram, the biological feature is tissue fluid (interstitial fluid, tissue fluid, also known as interstitial fluid, interstitial fluid).

Please refer to FIGS. 2 and 3, which are an exploded view of the optical fingerprint reader and microneedle sensing unit of the present invention and a side view of FIG. 2. As shown in the figure: the optical fingerprint reader 1a used by the fingerprint recognition unit 1 of the present invention is a traditional technique. The present invention is briefly described here. The optical fingerprint reader 1a includes: a circuit board 11a, a The image sensor 12a, a lens 13a, a light transmission plate 14a and a three-dimensional optical plate 15a.

The circuit board 11a has a plurality of luminous bodies 111a thereon, and the luminous bodies 111a provide a light source for fingerprint recognition. In this 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 luminous bodies 111a. To read the fingerprint image light source reflected by the luminous bodies 111a. In this figure, the image sensor 12a is a charge coupled device (CCD) or a 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 transmission plate (Light Tansmittance Plate) 14a is located above the lens 13a. The light transmission plate 14a allows the light sources of the luminous bodies 111a to pass through and irradiate the fingerprints of the user on the three-dimensional optical plate 15a. The reflected fingerprint image light source 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 3D optical plate (3D Optical Plate) 15a is located above the light transmission plate 14a for the user to place the finger 4 on it. In this drawing, the three-dimensional optical plate 15a is the button 31 of the electronic device 3.

The microneedle sensing unit 2 is arranged on the 3D Optical Plate 15a, and a through hole (not shown in the figure) is provided on the 3D Optical Plate 15a, so that the microneedle sensing unit 2 is Electrically connected wires (not shown in the figure) pass through the three-dimensional optical plate 15a or the cover plate 12b and are 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 small microneedles 21. After the user’s finger 4 is placed on the three-dimensional optical plate 15a, the circuit board 11a will drive the luminous bodies 111a to generate a light source. The light source will pass through the light transmission plate 14a and irradiate the three-dimensional optical plate 15a. Fingerprint 41 of 4 (the fingerprint passes through the fingerprint peak 411 and the fingerprint valley 412 and the fingerprint peak 411 uplifts The change of the line can capture the specific feature point, and each person’s feature point is different) The reflection of the image light source passes through the light-transmitting area 141a in the center of the light-transmitting plate 14a, and then is focused by the lens 13a. It is read by the image sensor 12a, and then transmitted to the motherboard (not shown in the figure) inside the electronic device 3 via the circuit board 11a for fingerprint comparison.

After the above identification, the microneedles 21 are used to perform skin puncture on the fingerprint of the finger. The low-invasive puncture can effectively reduce the pain of the user, and at the same time achieve the signal of sampling biological characteristics to determine the user's identity, and then To achieve the most effective user identification.

Please refer to FIG. 4, which is a schematic side view of the structure of the capacitive fingerprint reader of the present invention. As shown in the figure: the capacitive fingerprint reader 1b of the present invention is a traditional technique, and the present invention is briefly described here. The capacitive fingerprint reader 1b includes a substrate 11b and a cover plate 12b. There are a plurality of sensing electrode layers 111b arranged in a matrix on the substrate 11b, and the cover plate 12b is disposed on the substrate 11b. In this figure, the cover 12b is the button 31 of the electronic device 3.

The microneedle sensing unit 2 is used on the surface of the cover plate 12b of the capacitive fingerprint reader 1b, and a through hole (not shown in the figure) is provided on the cover plate 12b to make the microneedle sense The wires (not shown in the figure) electrically connected to the test unit 2 pass through the cover 12b and are 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 small microneedles 21.

When the user’s finger 4 is placed on the surface of the cover 12b of the capacitive fingerprint reader 1b, the fingerprint peaks 411, fingerprint valleys 412, and fingerprint peaks 411 on the fingerprint 41 change with the change in the ridges of the sensing electrode layer 111b. The capacitance change is induced by the sensing electrode layer 111b of the substrate 11b, and then transmitted to the electronic device (not shown in the figure) for comparison and judgment, and then the sensed fingerprint 41 can be obtained. Whether it is the signal of the user's fingerprint 41 originally set for the electronic device.

After the above identification, the microneedles 21 are used to perform skin puncture on the fingerprint of the finger. The low-invasive puncture can effectively reduce the pain of the user, and at the same time achieve the signal of sampling biological characteristics to determine the user's identity, and then To achieve the most effective user identification.

However, the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of patent protection of the present invention. Therefore, all equivalent changes made by using the description or drawings of the present invention are included in the rights of the present invention in the same way. Within the scope of protection, it shall be combined to Chen Ming.

1: Fingerprint recognition unit

2: Stitch sensing unit

21: Microneedle

3: electronic device

31: Button

Claims (8)

A microneedle and fingerprint recognition module is installed on an electronic device, and includes: a fingerprint recognition unit installed on the electronic device and electrically connected to the main board of the electronic device; the fingerprint recognition unit is An optical fingerprint reader. The optical fingerprint reader includes: a circuit board with a plurality of luminous bodies; an image sensor is electrically connected to the circuit board and located on the luminous bodies In the middle, to read the fingerprint image light source reflected by the illuminants; a lens is located above the image sensor to focus the reflected fingerprint image light source for the image sensor to read; a light transmission The plate is located above the lens and has a light-transmitting area in the upper center. The light-transmitting plate allows the light sources of the luminous bodies to irradiate the fingerprint, and the fingerprint image light source reflected by the fingerprint is at the center of the light-transmitting plate After passing through the light-transmitting area, it is focused by the lens and transmitted to the image sensor for reading; a three-dimensional optical plate is located above the light-transmitting plate for placing fingers; a micro-needle sensing unit, It is arranged on the fingerprint recognition unit and is electrically connected to the motherboard of the electronic device. The microneedle sensing unit is composed of a plurality of small microneedles; wherein, the fingerprint recognition unit and the microneedle sensing unit Configured on the button of the electronic device, the fingerprint recognition unit is used to recognize the correctness of the fingerprint and the biometric tissue fluid sensed by the microneedle sensing unit. After the fingerprint and the biometrics are compared and the signal is correct, you can enter To the electronic device. The microneedle and fingerprint identification module described in the first item of the scope of patent application, wherein the light-emitting body is a light-emitting diode. The microneedle and fingerprint recognition module described in the second item of the scope of patent application, wherein the image sensor is a charge-coupled device or a complementary metal oxide semiconductor. The microneedle and fingerprint recognition module described in the first item of the scope of patent application, wherein the microneedle sensing unit is attached to the surface of the three-dimensional optical plate of the optical fingerprint reader. The microneedle and fingerprint recognition module described in item 4 of the scope of patent application, wherein the three-dimensional optical plate is provided with a through hole, and the wire electrically connected to the microneedle sensing unit passes through the three-dimensional optical plate The through hole is electrically connected with the circuit board or the main board of the electronic device. A microneedle and fingerprint recognition module is installed on an electronic device, and includes: a fingerprint recognition unit installed on the electronic device and electrically connected to the main board of the electronic device; the fingerprint recognition unit is Capacitive fingerprint reader. The capacitive fingerprint reader includes: a substrate with a plurality of sensing electrode layers arranged in a matrix; a cover plate arranged on the substrate; a microneedle sensing unit Disposed on the fingerprint recognition unit and electrically connected to the motherboard of the electronic device, the microneedle sensing unit is composed of a plurality of tiny microneedles; wherein, the fingerprint recognition unit and the microneedle sensing unit are configured On the button of the electronic device, the fingerprint recognition unit is used to recognize the correctness of the fingerprint and the biometric tissue fluid sensed by the microneedle sensing unit. After the fingerprint and the biometrics are compared to determine the correctness of the signal, you can enter The electronic device. The microneedle and fingerprint recognition module described in item 6 of the scope of patent application, wherein the microneedle sensing unit is pasted on the surface of the cover plate of the capacitive fingerprint reader. The microneedle and fingerprint recognition module described in item 7 of the scope of patent application, wherein the cover plate is provided with a through hole, and the wire electrically connected to the microneedle sensing unit passes through the through hole of the cover plate It is electrically connected with the motherboard of the electronic device.

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