CN105046239B - Fingerprint identification device and its terminal device - Google Patents
Fingerprint identification device and its terminal device Download PDFInfo
- Publication number
- CN105046239B CN105046239B CN201510510941.4A CN201510510941A CN105046239B CN 105046239 B CN105046239 B CN 105046239B CN 201510510941 A CN201510510941 A CN 201510510941A CN 105046239 B CN105046239 B CN 105046239B
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- substrate
- fingerprint identification
- circuit board
- light source
- identification device
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Classifications
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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
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
-
- 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
- G06V40/1382—Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger
- G06V40/1394—Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger using acquisition arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present invention provides a kind of fingerprint identification device and its terminal devices.The device includes：Circuit board；Substrate is formed in the upper surface of circuit board, and and circuit board electrical connection；Fingerprint Identification sensor is formed in the upper surface of the separate circuit board of substrate, is electrically connected with substrate；Light source module is formed in the upper surface of the separate circuit board of substrate, is electrically connected with substrate；Light source sensing module is formed in the upper surface of the separate circuit board of substrate, is electrically connected with substrate；Control module is formed in the upper surface of the separate circuit board of substrate, is electrically connected with substrate；Bezel ring, has top opening, is formed in the upper surface of circuit board, constitutes an encapsulated space with circuit board, substrate, fingerprint Identification sensor, light source module, light source sensing module and control module are placed in wherein by encapsulated space；And molding layer, it is filled in encapsulated space.
Description
Technical field
The present invention relates to biometrics identification technology field more particularly to a kind of fingerprint recognitions with In vivo detection function
Device and its terminal device.
Background technology
Biometrics identification technology is the physiological characteristic or behavioural characteristic using people, to carry out the identification of personal identification.Mesh
Before, the physiological characteristic for having been used for bio-identification has hand, fingerprint, the shape of face, iris, retina, pulse, auricle etc., wherein especially
With fingerprint for most reliable physiological characteristic, therefore fingerprint identification technology is most widely used.
But by extracting latent prints, fingerprint sleeve made of the materials such as gelatin, silica gel or rubber is recycled, and is extracted
Fingerprint lines is consistent, and fingerprint sleeve is worn on finger or on prosthetic finger, you can forges the fingerprint being extracted, fingerprint recognition of out-tricking
Device.This brings great hidden danger to the safety of fingerprint recognition application.
Invention content
In view of this, the present invention provide a kind of fingerprint identification device with In vivo detection function encapsulating structure and comprising
Its terminal device.On the one hand the fingerprint identification device and can be judged by In vivo detection function comprising its terminal device to be checked
Survey whether object is live body；On the other hand the encapsulating structure package dimension of the fingerprint identification device is smaller, is conducive to apply each
In kind hand held terminal unit.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will be from description
Be apparent from, or can be through the invention practice and acquistion.
One aspect of the present invention provides a kind of fingerprint identification device, including：Circuit board；Substrate is formed in the circuit board
Upper surface, and with the circuit board electrical connection；Fingerprint Identification sensor is formed in the separate circuit board of the substrate
Upper surface is electrically connected with the substrate；Light source module is formed in the upper surface far from the circuit board of the substrate, with institute
Substrate electrical connection is stated, for emitting optical signal；Light source sensing module is formed in the upper table far from the circuit board of the substrate
Face is electrically connected with the substrate, for sensing and receiving the optical signal of the light source module transmitting by after object reflection to be detected
Reflected light signal, and the reflected light signal is converted into electric signal, with according to the electric signal, it is described to be detected right to judge
As if no is live body；Control module is formed in the upper surface far from the circuit board of the substrate, is electrically connected with the substrate
It connects, emits the optical signal for controlling the light source module；Bezel ring, has top opening, is formed in the upper table of the circuit board
Face constitutes an encapsulated space with the circuit board, and the encapsulated space is by the substrate, fingerprint Identification sensor, described
Light source module, the light source sensing module and the control module are placed in wherein；And molding layer, it is empty to be filled in the encapsulation
Between in.
In an embodiment, the light source module includes：Red-light LED, infrared light LED and green light LED.
In another embodiment, the control module controls the red-light LED, the infrared light LED and the green light
The whole of LED is lighted, partly lights or is all extinguished.
In another embodiment, the control module is MCU controllers.
In another embodiment, the bezel ring, is made of metal or plastic material.
In another embodiment, the fingerprint Identification sensor includes a pad；The pad, which is set to the fingerprint, to be known
The upper surface of individual sensor, and be electrically connected with the substrate by metal wire.
In another embodiment, the metal wire includes：Gold thread, aluminum steel, copper wire, al-mg-si alloy line and Solder for Al-Cu Joint Welding are closed
At least one of gold thread.
In another embodiment, the substrate is electrically connected with the circuit board by soldering-tin layer or metal soldered ball.
In another embodiment, connector is also formed on the lower surface of the circuit board, with by the connector with
External circuit connects.
Another aspect of the present invention provides a kind of terminal device, including any of the above-described kind of fingerprint identification device.
The illumination mode that fingerprint identification device provided by the invention controls light source module using control module is to be checked to detect
The biological information of object is surveyed, and then judges whether it is live body, and after being confirmed as live body, then carries out subsequent fingerprint recognition behaviour
Make, eliminates the security risk for carrying out fingerprint recognition in existing fingerprint identification technology using prosthese finger；In addition, its encapsulating structure
Using SIP encapsulation technologies by fingerprint Identification sensor, control module, light source module and light source sensing module integration packaging in base
On plate, the size of fingerprint identification device is reduced, realizes micromation, can be conducive to apply the hand-held terminal device smaller in size
In.
Description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the invention and advantage will become
It is more obvious.
Fig. 1 is the plan view according to the fingerprint identification device shown in an example embodiment.
Fig. 2 is the sectional view according to the encapsulating structure of the fingerprint identification device shown in an example embodiment.
Specific implementation mode
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
Described feature, structure or characteristic can be incorporated in one or more embodiments in any suitable manner
In.In the following description, many details are provided to fully understand embodiments of the present invention to provide.However,
One of ordinary skill in the art would recognize that without one or more in the specific detail, or using other methods, group
Member, material etc. can also put into practice technical scheme of the present invention.In other cases, it is not shown in detail or describes known features, material
Material operates to avoid the fuzzy present invention.
For convenience of explanation, the upper and lower relationship for relative component in figure described in the text, people in the art
Member all will be understood that it refers to the relative position of object, be not intended to limit the present invention.Therefore for identical structure is presented by overturning
Part should all belong to the claimed range of the present invention.
Fig. 1 is the plan view according to the fingerprint identification device shown in an example embodiment.As shown in Figure 1, the finger of the present invention
Line identification device 1 includes：Substrate 11, fingerprint Identification sensor 12, control module 13, light source module 14 and light source sensing module
15。
Wherein, the finger print information of the object to be detected for identification of fingerprint Identification sensor 12.Fingerprint Identification sensor 12
Can be such as existing push type, scratching formula capacitance type fingerprint identification sensor, invention is not limited thereto.
Light source module 14 emits optical signal for providing light source.In some embodiments, light source module 14 can for example wrap
It includes：Red LED chip 141, infrared light LED chip 142 and green LED chip 143.But invention is not limited thereto, light source die
Block 14 or other existing light emitting components.
Light source sensing module 15 is used to sense and receive the hand that the optical signal that light source module 14 emits encounters object to be detected
The positions such as refer to and the optical signal that is reflected back, and the optical signal is converted into electric signal, is calculated further according to corresponding algorithm
User's biological information of object to be detected, for example, pulse signal of user, and then judge whether object to be detected is live body.
Control module 13 is for controlling light source module 14.In some embodiments, control module 13 is, for example, MCU
(Microcontroller Unit, micro-control unit) controls chip, other than MCU controls the general utility functions of chip, controls mould
Block 13 also has red LED chip 141, infrared light LED chip 142 and the green LED chip 143 in control light source module 14
Function, such as only light a LED chip, either light two of which LED chip again or light or extinguish whole LED
Chip etc..By controlling the lighting mode of different LED chips, higher signal-to-noise ratio (SNR) can be reached.
The fingerprint identification device of the present invention be following is a brief introduction of before carrying out fingerprint recognition, how to judge object to be detected
For live body.The blood of human body has reflection feux rouges and absorbs the characteristic of green light, when heartbeat, flows through the blood meeting of human body wrist
Increase, feux rouges, the infrared light of reflection can increase, and the green light of absorption can also increase；Heartbeat interval flows through the blood of wrist
It can reduce, feux rouges, the infrared light of reflection can reduce, the green light that absorbs can also be reduced therewith.It therefore, can be by detecting the red of reflection
Light, infrared light or the green light after being absorbed, to detect the pulse of human body, to be made whether the judgement for live body.
And when being only used as transmitting light source by green light, the light total amount sent out is smaller, may only have after blood absorption
A small amount of light reflection is to light source sensing module 15, plus the light quantity loss in transmission process, what light source sensing module 15 obtained
It is less to reflect signal.Utilize control module 13 while the bright green LED chip 143 in control point and red LED chip 141, Huo Zhetong
When control light green light LED chip 143 and infrared light LED chip 142, then control simultaneously light three LED chip conducts
Emit light source, the light total amount of transmitting can be increased, therefore the light total amount for being reflected into light source sensing module 15 is still larger, to make
Judging result has higher signal-to-noise ratio.
In addition, fingerprint identification device provided by the invention, first determines whether object to be detected is live body, and only when to be checked
When survey object is judged as live body, fingerprint Identification sensor 12 is activated, to continue subsequent fingerprint recognition operation.It needs
It is noted that the disposing way between above-mentioned each devices/chips is only an example, it is not intended to limit the present invention.In practical application
When, putting for each devices/chips can be placed arbitrarily according to need.
Fig. 2 is the sectional view according to the encapsulating structure of the fingerprint identification device shown in an example embodiment.As shown in Fig. 2,
Fingerprint identification device 1 shown in FIG. 1 is encapsulated as by SIP (System In a Package, system in package) packaged type
Assembling structure 2.It should be noted that due to the relationship blocked, be not shown in Fig. 2 the control module 13 after light source sensing module 15 and
Light source module 14.
With reference to Fig. 1 and Fig. 2, the encapsulating structure 2 of fingerprint identification device 1 includes：Substrate 11, fingerprint Identification sensor
12, control module 13, light source module 14, light source sensing module 15, bezel ring, 26 and molding layer 27.
It is formed with interface on substrate (such as circuit pattern on substrate), fingerprint Identification sensor in the upper surface of substrate 11
12, control module 13, light source module 14 and light source sensing module 15 are respectively arranged at the upper surface of substrate 11, and for example, by heat
The adhesives 111 such as solid glue (DAF glue) or PSA glue are pasted on substrate 11, realize the mechanical connection of each device and substrate 11.This
Outside, fingerprint Identification sensor 12, control module 13, light source module 14 and light source sensing module 15 by metal wire 112 and respectively
Pad 121,131,144 and 151, realize and be electrically connected with the upper interface of substrate 11.Pad 121,131,144 and 151 can be set
It is placed in the upper surface of each device.The metal wire 112 is, for example, gold thread, aluminum steel, copper wire, al-mg-si alloy line and Al-zn-mg-cu alloy
At least one of line.
In the lower surface of substrate 11, it is formed with substrate lower interface, it is real by the modes such as soldering-tin layer or metal soldered ball 113
Existing substrate 11 is electrically connected with a circuit board 28 (for example, flexible PCB etc.).In addition, and passing through underfill (Under
Fill) technology is filled between substrate 11 and circuit board 28 by underfill 114.In some embodiments, bottom
It is a kind of chemical glue to fill glue 114, and main component is epoxy resin, to such as BGA (Ball Grid Array, ball bar
Array) encapsulation mode chip carry out underfill.
Bezel ring, 26 is arranged on circuit board 28, has top opening, and limit an encapsulated space with circuit board 28.Bezel ring, 26
Can be formed by metal or plastics, such as can be circle, ellipse, square or rectangular etc., the present invention not as
Limit.
Substrate 11, fingerprint Identification sensor 12, control module 13, light source module 14 and light source sensing module 15 are arranged at
In the above-mentioned encapsulated space limited by bezel ring, 26 and circuit board 28.
Molding layer 27 is formed on substrate 11, and is filled in the encapsulated space that bezel ring, 26 and circuit board 28 limit,
Fingerprint Identification sensor 12, control module 13, light source module 14 and light source sensing module 15 are wrapped in wherein.Molding layer 27 is adopted
Material is, for example, epoxy resin mould moulding (Epoxy Modeling Compound, EMC).
In some embodiments, on molding layer 27, it is also formed with protective layer (not shown), protective layer is revealed in
The top opening of bezel ring, 26.Protective layer be, for example, material be glass, ceramics, sapphire or quartz panel, have concurrently resistance to compression, it is scratch resistant and
The characteristic of light transmission.Protective layer makes fingerprint identification device durable.
In addition, it is additionally provided with some other component 281 on the surface of circuit board 28 Yu 1 side of fingerprint identification device,
Such as inductance element, capacity cell.And on the surface of the other side of circuit board 28, then it is additionally provided with connector 282, passes through connection
The realization of device 282 is electrically connected with external circuit.
The illumination mode that fingerprint identification device provided by the invention controls light source module using control module is to be checked to detect
The biological information of object is surveyed, and then judges whether it is live body, and after being confirmed as live body, then carries out subsequent fingerprint recognition behaviour
Make, eliminates the security risk for carrying out fingerprint recognition in existing fingerprint identification technology using prosthese；In addition, its encapsulating structure utilizes
SIP encapsulation technologies are by fingerprint Identification sensor, control module.Light source module and light source sensing module integration packaging on substrate,
The size for reducing fingerprint identification device realizes micromation, can be conducive to apply in the smaller hand-held terminal device of size.
The present invention also provides a kind of terminal devices including above-mentioned fingerprint identification device.The terminal device is, for example, intelligence
Mobile phone, tablet computer etc., be typically configured as include：Display screen, touch screen, cover-plate glass, storage, system on chip (system
On chip), CPU, GPU, memory, Wi-Fi connection, bluetooth connection, USB connections, battery, external power supply, computer-readable media
And software etc., but invention is not limited thereto.
Fingerprint identification device provided by the invention is integrated in the terminal device, such as is integrated in the terminal device
Screen is either on the top surface of the screen in shell and positioned at terminal device or shell；It can also be with the control of terminal device
Button or switch element are applied in combination, and can also be directly embedded into the cover-plate glass or shell of terminal device and be used alone.
In short, can be according to terminal device the case where, carry out the adjustment of adaptability, with user-friendly.When fingerprint identification device with
When the control button or switch element of terminal device are applied in combination, also need to be provided with below fingerprint identification device pressure-sensitive
Element, to incude pressing operation of the user when operating the control button or switch element.
It is particularly shown and described exemplary embodiments of the present invention above.It should be understood that the present invention is not limited to institute
Disclosed embodiment, on the contrary, it is intended to cover comprising within the scope of the appended claims various modifications and equivalent set
It changes.
Claims (8)
1. a kind of fingerprint identification device, which is characterized in that including：
Circuit board；
Substrate, is formed in the upper surface of the circuit board, and with the circuit board electrical connection；
Fingerprint Identification sensor is formed in the upper surface far from the circuit board of the substrate, is electrically connected with the substrate；
Light source module is formed in the upper surface far from the circuit board of the substrate, is electrically connected with the substrate, for emitting
Optical signal；
Light source sensing module is formed in the upper surface far from the circuit board of the substrate, is electrically connected, is used for the substrate
It senses and receives the optical signal of light source module transmitting by the reflected light signal after object reflection to be detected, and by the reflection
Optical signal is converted to electric signal, according to the electric signal, to judge whether the object to be detected is live body；
Control module is formed in the upper surface far from the circuit board of the substrate, is electrically connected with the substrate, for controlling
The light source module emits the optical signal；
Bezel ring, has top opening, is formed in the upper surface of the circuit board, and an encapsulated space is constituted with the circuit board, described
Encapsulated space is by the substrate, the fingerprint Identification sensor, the light source module, the light source sensing module and the control
Module is placed in wherein；And
Molding layer is filled in the encapsulated space；
The wherein described light source module includes：Red-light LED, infrared light LED and green light LED, the control module control the green light
LED is lighted and at least one of the red-light LED and the infrared light LED are lighted.
2. fingerprint identification device according to claim 1, which is characterized in that the control module is MCU controllers.
3. fingerprint identification device according to claim 1, which is characterized in that the bezel ring, is by metal or plastic material system
At.
4. fingerprint identification device according to claim 1, which is characterized in that the fingerprint Identification sensor includes a weldering
Disk；The pad is set to the upper surface of the fingerprint Identification sensor, and is electrically connected with the substrate by metal wire.
5. fingerprint identification device according to claim 4, which is characterized in that the metal wire includes：Gold thread, aluminum steel, copper
At least one of line, al-mg-si alloy line and Al-zn-mg-cu alloy line.
6. fingerprint identification device according to claim 1, which is characterized in that the substrate passes through scolding tin with the circuit board
Layer or metal soldered ball electrical connection.
7. fingerprint identification device according to claim 1, which is characterized in that be also formed on the lower surface of the circuit board
Connector, to be connect with external circuit by the connector.
8. a kind of terminal device, which is characterized in that including claim 1-7 any one of them fingerprint identification devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510510941.4A CN105046239B (en) | 2015-08-19 | 2015-08-19 | Fingerprint identification device and its terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510510941.4A CN105046239B (en) | 2015-08-19 | 2015-08-19 | Fingerprint identification device and its terminal device |
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| CN105046239A CN105046239A (en) | 2015-11-11 |
| CN105046239B true CN105046239B (en) | 2018-09-28 |
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| CN201510510941.4A Active CN105046239B (en) | 2015-08-19 | 2015-08-19 | Fingerprint identification device and its terminal device |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105489588B (en) * | 2015-12-04 | 2019-05-31 | 苏州迈瑞微电子有限公司 | Sensor-packaging structure and preparation method thereof |
| CN106709413B (en) * | 2015-12-31 | 2020-12-08 | 深圳市汇顶科技股份有限公司 | Fingerprint identification device and mobile terminal |
| CN106910720A (en) * | 2016-02-23 | 2017-06-30 | 深圳市汇顶科技股份有限公司 | The preparation method of encapsulating structure, electronic equipment and encapsulating structure |
| CN108604296B (en) * | 2016-04-28 | 2022-05-27 | 韩国科泰高科株式会社 | Luminous fingerprint identification panel and fingerprint identification display device comprising same |
| CN106252346A (en) * | 2016-09-20 | 2016-12-21 | 苏州科阳光电科技有限公司 | Fingerprint sensor module and preparation method thereof |
| CN106571377A (en) * | 2016-09-20 | 2017-04-19 | 苏州科阳光电科技有限公司 | Image sensor module and manufacturing method thereof |
| CN106682583B (en) * | 2016-11-30 | 2020-02-14 | 维沃移动通信有限公司 | Fingerprint module and mobile terminal |
| CN107273830B (en) * | 2017-06-05 | 2021-01-26 | 深圳天珑无线科技有限公司 | Fingerprint module testing method and system |
| CN109460694A (en) * | 2017-09-06 | 2019-03-12 | 蓝思科技（长沙）有限公司 | Fingerprint sensor, intelligent terminal and fingerprint sensor package method |
| US11030434B2 (en) | 2018-10-08 | 2021-06-08 | Shenzhen GOODIX Technology Co., Ltd. | Lens-pinhole array designs in ultra thin under screen optical sensors for on-screen fingerprint sensing |
| CN110046564B (en) * | 2019-04-02 | 2021-07-20 | 深圳市合飞科技有限公司 | Multispectral living fingerprint identification device and identification method |
| US20220245960A1 (en) * | 2019-06-19 | 2022-08-04 | Egis Technology Inc. | Electronic device |
| CN111164608B (en) * | 2019-08-29 | 2023-09-01 | 深圳市汇顶科技股份有限公司 | Fingerprint identification device and electronic equipment |
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| ATE459935T1 (en) * | 1997-11-20 | 2010-03-15 | Gr Intellectual Reserve Llc | METHOD AND SYSTEM FOR BIOMETRIC RECOGNITION USING UNIQUE INTERNAL DISTINCTIVE PROPERTIES |
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Address after: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi Patentee before: OFilm Microelectronics Technology Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi Patentee after: OFilm Microelectronics Technology Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi Patentee before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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Effective date of registration: 20210730 Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330029 No. 1189 Jingdong Avenue, Nanchang high tech Zone, Jiangxi Patentee before: Jiangxi OMS Microelectronics Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Ophiguang Group Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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