Patents by Inventor Changjun Jiang
Changjun Jiang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240265397Abstract: The present invention relates to a fast anti-money laundering detection method based on a transaction graph, comprising: obtaining transaction data flows and constructing a directed graph structure to form a transaction graph; performing preliminary determination on the transaction graph, wherein if hit, the transaction is blocked, otherwise the transaction graph is sent to a graph neural network based on location information; performing feature learning according to a transaction feature of each node and aggregating a node feature and a full graph feature; performing prediction on a transaction between nodes according to the features, wherein if there is a high risk, an expert estimation is performed and the transaction is sent to a historical transaction database, and if there is a low risk, a transaction result is recorded and sent to the historical transaction database; and updating the network by the historical transaction database according to the transaction result.Type: ApplicationFiled: July 19, 2022Publication date: August 8, 2024Applicant: TONGJI UNIVERSITYInventors: Changjun Jiang, Dawei Cheng, Yujia Ye
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Publication number: 20230176913Abstract: A cross-domain cabin computing system and a cross-domain cabin computing method based on data resource distribution are provided, including: a cabin generation and management system obtains a data resource distribution map from a virtual data center system according to a cabin data and resource request, obtains a cross-domain resource directory from a cross-domain resource management system, and calculates a list of resource requirements of cabins; the cross-domain resource management system sends a resource request to a public cloud or a non-cloud resource to which resources belong based on the list of resource requirement of the cabins, and send information signaling that the resource request is successful to the cabin generation and management system to enable the cabin users to establish cabins based on cross-domain resources and data resources corresponding to the data resource distribution map, thereby realizing cabin computing.Type: ApplicationFiled: August 31, 2020Publication date: June 8, 2023Applicant: TONGJI UNIVERSITYInventors: Changjun JIANG, Jian YU, Zhijun DING, Zhaohui ZHANG, Chungang YAN, Yaying ZHANG, Pengwei WANG, Youqun SHI
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Publication number: 20220352273Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a base substrate, a pixel definition layer, a light emitting layer and a spacer. The pixel definition layer is configured to define each of subpixels in the display panel and includes a groove structure which is disposed between adjacent subpixels, the spacer is disposed in the groove structure, the light emitting layer is disposed on a side of the pixel definition layer and the spacer away from the base substrate, and a thermal expansion efficient of the spacer is greater than a thermal expansion efficient of the light emitting layer.Type: ApplicationFiled: July 15, 2022Publication date: November 3, 2022Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo MAO, Mengyu LUAN, Changjun JIANG, Jun LI, Lang LIU, Zexu LIU, Hongtao GUO
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Patent number: 11444138Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a base substrate, a pixel definition layer, a light emitting layer and a spacer. The pixel definition layer is configured to define each of subpixels in the display panel and includes a groove structure which is disposed between adjacent subpixels, the spacer is disposed in the groove structure, the light emitting layer is disposed on a side of the pixel definition layer and the spacer away from the base substrate, and a thermal expansion efficient of the spacer is greater than a thermal expansion efficient of the light emitting layer.Type: GrantFiled: May 13, 2019Date of Patent: September 13, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Bo Mao, Mengyu Luan, Changjun Jiang, Jun Li, Lang Liu, Zexu Liu, Hongtao Guo
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Publication number: 20220215109Abstract: The present disclosure provides a new Internet virtual data center system and a method for constructing the same. The new Internet virtual data center system includes: an Internet data explorer to sample and estimate Internet data to generate a data resource distribution map, the data resource distribution map reflects attribute information of Internet data; an Internet virtual resource library to store data resource distribution map and sample data collected by the Internet data explorer; a data resource distribution map management module to manage data resource distribution map; and a data resource guidance service module to generate and provide guidance service for data collection and mining of a data demander according to data resource distribution map. The present disclosure overcomes the blindness and disorder of the big data collection and development of the existing data centers, and avoids waste of resources and energy.Type: ApplicationFiled: December 16, 2019Publication date: July 7, 2022Applicant: TONGJI UNIVERSITYInventors: Changjun JIANG, Zhaohui ZHANG, Pengwei WANG, Zhijun DING, Jian YU, Chungang YAN, Yaying ZHANG
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Patent number: 11118259Abstract: The present disclosure provides an evaporation device and an evaporation method. The evaporation device includes: an evaporation chamber; a plurality of spaced conductive baffles disposed in the evaporation chamber and dividing the evaporation chamber into a plurality of evaporation sub-chambers, the conductive baffles configured to carry charges of a first polarity; an evaporation source disposed in at least one of the evaporation sub-chambers; and a particle charging circuit disposed in at least one of the evaporation sub-chambers. The particle charging circuit is configured to control evaporation material particles generated from the evaporation source in at least one of the evaporation sub-chambers to have charges of the first polarity.Type: GrantFiled: July 4, 2018Date of Patent: September 14, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo Mao, Changjun Jiang, Jun Li, Langlang Ha, Yikun Dou, Yang Xu, Mengyu Luan
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Patent number: 11113412Abstract: The present invention discloses a method and system configured for monitoring and verifying software behavior, comprising: receiving, by a software behavior verification system based on a physical hardware system, legal user behavior data containing user activities performed during legal electronic transactions and storing the legal user behavior data as a software behavior model; monitoring, by a software behavior monitor, data packets transmitted in a transaction, and sending data packets to the software behavior verification system; retrieving, by the behavior verification system, expected key sequences and information in the data packets; comparing the key sequences and information retrieved from the data packets with that of the software behavior model; if the key sequences and information retrieved from the data packets does not consistence with the software behavior model, it is determined that the transaction is an illegal electronic transactions, and the transaction is closed.Type: GrantFiled: January 10, 2019Date of Patent: September 7, 2021Assignee: TONGJI UNIVERSITYInventors: Changjun Jiang, Hongzhong Chen, Chungang Yan, Zhijun Ding, Wangyang Yu, Junzhu Zhong
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Publication number: 20210097589Abstract: Disclosed is a method for authenticating network transaction. The method comprises receiving, by an authentication center, a real-time user behavior during an electronic transaction; receiving, by the authentication center, a software behavior during the electronic transaction; performing, by the authentication center, a user verification of the real-time user behavior by comparing with a user behavior certificate maintained by the authentication center; performing, by the authentication center, a software verification of the software behavior by comparing with a software behavior certificate maintained by the authentication center; in response to a determination that the user verification fails or the software verification fails, terminating, by the authentication center, the electronic transaction.Type: ApplicationFiled: May 14, 2019Publication date: April 1, 2021Applicant: TONGJI UNIVERSITYInventors: Changjun JIANG, Hongzhong CHEN, Chungang YAN, Zhijun DING, Wangyang YU, Yonglong GE
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Patent number: 10754865Abstract: A method for mining user cyclic patterns comprises steps: S1: a user behavior recording module recording time of behaviors of each user; S2: a user behavior time sequence generation module performing batch processing to the behaviors of each user to generate a time sequence of the behaviors of the user by using day as time granularity; and S3: a user behavior cyclic pattern acquisition module generating time sequence cyclic patterns from the time sequence according to frequent patterns.Type: GrantFiled: January 15, 2016Date of Patent: August 25, 2020Assignee: TONGJI UNIVERSITYInventors: Changjun Jiang, Chungang Yan, Hongzhong Chen, Zhijun Ding, Bing Xu
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Publication number: 20200258959Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a base substrate, a pixel definition layer, a light emitting layer and a spacer. The pixel definition layer is configured to define each of subpixels in the display panel and includes a groove structure which is disposed between adjacent subpixels, the spacer is disposed in the groove structure, the light emitting layer is disposed on a side of the pixel definition layer and the spacer away from the base substrate, and a thermal expansion efficient of the spacer is greater than a thermal expansion efficient of the light emitting layer.Type: ApplicationFiled: May 13, 2019Publication date: August 13, 2020Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Bo Mao, Mengyu Luan, Changjun Jiang, Jun Li, Lang Liu, Zexu Liu, Hongtao Guo
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Patent number: 10558792Abstract: A construction and analysis system of touch screen user keypress behavior pattern, and an identity recognition method thereof.Type: GrantFiled: January 15, 2016Date of Patent: February 11, 2020Inventors: Changjun Jiang, Chungang Yan, Hongzhong Chen, Zhijun Ding, Hongbo Zhang
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Publication number: 20200013061Abstract: System and methods for performing behavior consistency verification are described. The method may include receiving user behavior data containing user activities performed during electronic transactions. The method may include retrieving expected behavior data corresponding to the user behavior data. The method may include generating a behavior consistency measurement based on the user behavior data and the expected behavior data. The method may further include transmitting the behavior consistency measurement in response to the receiving of the user behavior data. The behavior consistency measurement indicates a degree of consistency between the user behavior data and the expected behavior data.Type: ApplicationFiled: July 3, 2018Publication date: January 9, 2020Inventors: Changjun JIANG, Hongzhong CHEN, Chungang YAN, Zhijun DING, Mimi WANG, Peihai ZHAO
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Patent number: 10388709Abstract: A pixel defining layer and a production method thereof, a display panel and a production method thereof, and a display apparatus are all provided. The pixel defining layer has a first lyophilic layer, a first lyophobic layer on the first lyophilic layer, a second lyophilic layer on the first lyophobic layer, and a second lyophobic layer on the second lyophilic layer.Type: GrantFiled: May 23, 2018Date of Patent: August 20, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenbin Jia, HuiFeng Wang, Xiang Wan, Changjun Jiang, Li Sun
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Publication number: 20190203339Abstract: The present disclosure provides an evaporation device and an evaporation method. The evaporation device includes: an evaporation chamber; a plurality of spaced conductive baffles disposed in the evaporation chamber and dividing the evaporation chamber into a plurality of evaporation sub-chambers, the conductive baffles configured to carry charges of a first polarity; an evaporation source disposed in at least one of the evaporation sub-chambers; and a particle charging circuit disposed in at least one of the evaporation sub-chambers. The particle charging circuit is configured to control evaporation material particles generated from the evaporation source in at least one of the evaporation sub-chambers to have charges of the first polarity.Type: ApplicationFiled: July 4, 2018Publication date: July 4, 2019Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo MAO, Changjun JIANG, Jun LI, Langlang HA, Yikun DOU, Yang XU, Mengyu LUAN
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Publication number: 20190163925Abstract: The present invention discloses a method and system configured for monitoring and verifying software behavior, comprising: receiving, by a software behavior verification system based on a physical hardware system, legal user behavior data containing user activities performed during legal electronic transactions and storing the legal user behavior data as a software behavior model; monitoring, by a software behavior monitor, data packets transmitted in a transaction, and sending data packets to the software behavior verification system; retrieving, by the behavior verification system, expected key sequences and information in the data packets; comparing the key sequences and information retrieved from the data packets with that of the software behavior model; if the key sequences and information retrieved from the data packets does not consistence with the software behavior model, it is determined that the transaction is an illegal electronic transactions, and the transaction is closed.Type: ApplicationFiled: January 10, 2019Publication date: May 30, 2019Applicant: TONGJI UNIVERSITYInventors: Changjun JIANG, Hongzhong CHEN, Chungang YAN, Zhijun DING, Wangyang YU, Junzhu ZHONG
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Publication number: 20190148468Abstract: A pixel defining layer and a production method thereof, a display panel and a production method thereof, and a display apparatus are all provided. The pixel defining layer has a first lyophilic layer, a first lyophobic layer on the first lyophilic layer, a second lyophilic layer on the first lyophobic layer, and a second lyophobic layer on the second lyophilic layer.Type: ApplicationFiled: May 23, 2018Publication date: May 16, 2019Inventors: Wenbin Jia, HuiFeng Wang, Xiang Wan, Changjun Jiang, Li Sun
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Publication number: 20190087470Abstract: The present invention provides a system and a method for mining user cyclic patterns. In the system, a user behavior recording module is used for recording time of behaviors of each user; a user behavior time sequence generation module is used for performing batch processing to the behaviors of each user to form a time sequence of the behaviors of the user; a user behavior cyclic pattern acquisition module is used for generating cyclic patterns from the time sequence according to frequent patterns; and a user cyclic pattern storage module is used for receiving the cyclic patterns generated by the user behavior cyclic pattern acquisition module and storing the cyclic patterns in a database of the user cyclic pattern storage module.Type: ApplicationFiled: January 15, 2016Publication date: March 21, 2019Applicant: TONGJI UNIVERSITYInventors: CHANGJUN JIANG, CHUNGANG YAN, HONGZHONG CHEN, ZHIJUN DING, BING XU
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Publication number: 20190073457Abstract: A construction and analysis system of touch screen user keypress behavior pattern, and an identity recognition method thereof.Type: ApplicationFiled: January 15, 2016Publication date: March 7, 2019Applicant: TONGJI UNIVERSITYInventors: CHANGJUN JIANG, CHUNGANG YAN, HONGZHONG CHEN, ZHIJUN DING, HONGBO ZHANG
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Patent number: 10139656Abstract: The present disclosure provides in some embodiments an alignment film detecting device including: an imaging unit configured to obtain image information of the alignment grooves on the alignment film of the substrate; and an image processing unit configured to determine whether there is a defect in the alignment grooves on the alignment film based on the image information. According to the alignment film detecting device and the alignment film detecting method provided the present disclosure, the defect of the alignment film on the substrate may be detected, and the image information of the alignment grooves on the alignment film of the substrate may be obtained by the imaging unit, and a recognizing process may be implemented by the image processing unit based on the image information, so that it may accurately determine whether there is a defect in the alignment grooves.Type: GrantFiled: April 14, 2016Date of Patent: November 27, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yangkun Jing, Changjun Jiang
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Publication number: 20180315052Abstract: System and methods for performing behavior evaluation based on an immunity system is provided. A method may include receiving historical behavior data containing user activities performed in an electronic transaction. The method may include extracting normal transaction sequences and abnormal transaction sequences from the historical behavior data. The method may include storing the normal transaction sequences into a normal transaction library and the abnormal transaction sequences into an abnormal transaction library. The method may further include, in response to receiving a current behavior data, extracting a current transaction sequence from the current behavior data, and in response to a successful matching comparison of the current transaction sequence with an abnormal transaction sequence in the abnormal transaction library, transmitting a first abnormal evaluation result as a response to the receiving of the current behavior data.Type: ApplicationFiled: July 5, 2018Publication date: November 1, 2018Inventors: Changjun JIANG, Chungang YAN, Hongzhong CHEN, Zhijun DING, Shaoping JIANG