Patents by Inventor Chen Xu
Chen Xu 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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Patent number: 11938465Abstract: The invention discloses a coordination type zirconium phosphotungstate catalyst and its application in catalytic hydrogenation of furfural, belonging to the field of heterogeneous catalysis. The zirconium phosphotungstate catalyst prepared by the invention not only has good catalytic effect on the conversion of furfural to furfuryl alcohol, but also has mild reaction conditions. The yield of solid line furfuryl alcohol can be 98% if it can be reacted for 1 h at 120 ° C., and the amount of catalyst is less, which greatly reduces the energy consumption in the prior art. In addition, the zirconium phosphotungstate prepared by the invention is easy to separate, has good stability for catalyzing the hydrogenation of furfural to furfuryl alcohol, and is a new, efficient and green catalyst.Type: GrantFiled: March 18, 2019Date of Patent: March 26, 2024Assignee: JIANGNAN UNIVERSITYInventors: Liping Zhang, Haijun Wang, Guangzhi Xu, Chen Liu
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Patent number: 11941854Abstract: Provided are a face image processing method and apparatus, an image device, and a storage medium. The face image processing method includes: acquiring first-key-point information of a first face image; performing position transformation on the first-key-point information to obtain second-key-point information conforming to a second facial geometric attribute, the second facial geometric attribute being different from a first facial geometric attribute corresponding to the first-key-point information; and performing facial texture coding processing by utilizing a neural network and the second-key-point information to obtain a second face image.Type: GrantFiled: March 16, 2021Date of Patent: March 26, 2024Assignee: Beijing SenseTime Technology Development Co., Ltd.Inventors: Wenyan Wu, Chen Qian, Keqiang Sun, Qianyi Wu, Yuanyuan Xu
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Patent number: 11942564Abstract: A tandem photovoltaic device includes: a tunnel junction between an upper cell unit and a lower cell unit. The lower cell unit is a crystalline silicon cell. The tunnel junction includes: a carrier transport layer, a crystalline silicon layer, and an intermediate layer located between the carrier transport layer and the crystalline silicon layer. The carrier transport layer is a metal oxide layer. The intermediate layer includes a tunneling layer. The crystalline silicon layer has a doping concentration greater than or equal to 1017 cm?3. The carrier transport layer is in direct contact with a shadow surface of the upper cell unit. If the crystalline silicon layer is a p-type crystalline silicon layer, a first energy level is close to a second energy level. If the crystalline silicon layer is an n-type crystalline silicon layer, a third energy level is close to a fourth energy level.Type: GrantFiled: November 3, 2020Date of Patent: March 26, 2024Assignee: LONGI GREEN ENERGY TECHNOLOGY CO., LTD.Inventors: Zhao Wu, Chen Xu, Zifeng Li
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Patent number: 11937446Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel has a display region and a border region that surrounds the display region and includes a peripheral circuit region and a peripheral region; the peripheral circuit region is between the display region and the peripheral region. At least a part of a barrier structure of the display panel is in the peripheral circuit region, and the barrier structure includes an organic barrier layer including an opening passing through the organic barrier layer and an inorganic barrier layer covering the organic barrier layer and filling the opening; an extension direction of the opening is same as that of an edge, close to the opening, of the display panel the peripheral circuit is in the peripheral circuit region.Type: GrantFiled: October 21, 2019Date of Patent: March 19, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinwei Gao, Kaihong Ma, Dacheng Zhang, Lang Liu, Chen Xu
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Publication number: 20240087206Abstract: Systems and methods of rendering effects are described herein. A computing device can receive a user selection of an effect to be applied during gameplay of a computer game. The computing device can initiate a framework with which to apply the effect during the gameplay. The computing device can determine scenes during the gameplay to apply the effect through the framework. The computing device can determine graphical elements in the scenes that correspond to non-user interface elements through the framework. The computing system can apply the effect to the graphical elements through the framework.Type: ApplicationFiled: September 25, 2023Publication date: March 14, 2024Applicant: INNOPEAK TECHNOLOGY, INC.Inventors: Hongyu SUN, Chen LI, Chengeng LI, Qiang QIU, Huihui XU, Steven JACKSON, Andrew PHAM
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Publication number: 20240090245Abstract: The present disclosure relates to the field of photovoltaic technologies. Disclosed are a solar cell and a photovoltaic module. The solar cell includes: an absorption layer; and an energy selective contact layer located on a surface of the absorption layer, the energy selective contact layer having selectivity for electron energy or hole energy, and the material of the energy selective contact layer including a low-dimensional perovskite material. According to the solar cell and the photovoltaic module provided by the present disclosure, a photovoltaic module can be manufactured.Type: ApplicationFiled: November 23, 2021Publication date: March 14, 2024Inventors: Junjie XIE, Chen XU, Zifeng LI, Zhao WU, Jinling JIN, Tong LIU
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Publication number: 20240087955Abstract: A method and apparatus for forming tungsten features in semiconductor devices is provided. The method includes exposing a top opening of a feature formed in a substrate to a physical vapor deposition (PVD) process to deposit a tungsten liner layer within the feature. The PVD process is performed in a first processing region of a first processing chamber and the tungsten liner layer forms an overhang portion, which partially obstructs the top opening of the feature. The substrate is transferred from the first processing region of the first processing chamber to a second processing region of a second processing chamber without breaking vacuum. The overhang portion is exposed to nitrogen-containing radicals in the second processing region to inhibit subsequent growth of tungsten along the overhang portion. The feature is exposed to a tungsten-containing precursor gas to form a tungsten fill layer over the tungsten liner layer within the feature.Type: ApplicationFiled: September 1, 2023Publication date: March 14, 2024Inventors: Yi XU, Xianyuan ZHAO, Zhimin QI, Aixi ZHANG, Geraldine VASQUEZ, Dien-Yeh WU, Wei LEI, Xingyao GAO, Shirish PETHE, Wenting HOU, Chao DU, Tsung-Han YANG, Kyoung-Ho BU, Chen-Han LIN, Jallepally RAVI, Yu LEI, Rongjun WANG, Xianmin TANG
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Publication number: 20240089742Abstract: A first machine learning model is deployed in a first communication apparatus, and a second machine learning model is deployed in a second communication apparatus. First information is obtained that carries indication information of both a first transmission resource and a second transmission resource, wherein the first transmission resource is for the first communication apparatus to transmit a first output of the first machine learning model to the second communication apparatus, and wherein the second transmission resource is for the first communication apparatus to receive first feedback data that is from the second communication apparatus. The first feedback data includes a first gradient, wherein the first gradient is for updating the first machine learning model. The first communication apparatus transmits the first output to the second communication apparatus on the first transmission resource.Type: ApplicationFiled: November 20, 2023Publication date: March 14, 2024Inventors: Jian WANG, Chen XU, Gongzheng ZHANG, Yunfei QIAO, Rong LI, Jun WANG
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Patent number: 11930414Abstract: Hybrid use of dual policies is provided to improve a communication system. In a multiple access scenario, when an inactive user equipment (UE) transitions to an active state, it may be become a burden to a radio cell on which it was previously camping. In some embodiments, hybrid load balancing is provided using a hierarchical machine learning paradigm based on reinforcement learning in which an LSTM generates a goal for one policy influencing cell reselection so that another policy influencing handover over active UEs can be assisted. The communication system as influenced by the policies is modeled as a Markov decision process (MDP). The policies controlling the active UEs and inactive UEs are coupled, and measureable system characteristics are improved. In some embodiments, policy actions depend at least in part on energy saving.Type: GrantFiled: April 12, 2023Date of Patent: March 12, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jikun Kang, Xi Chen, Di Wu, Yi Tian Xu, Xue Liu, Gregory Lewis Dudek, Taeseop Lee, Intaik Park
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Patent number: 11928145Abstract: Methods for creating a knowledge graph for a video are disclosed. Aspects include obtaining the video, processing the video to extract audio information and video information, and storing the extracted audio information and video information with a timestamp corresponding its occurrence in the video. Aspects also include creating a plurality of groups of the extracted audio information and video information based at least in part on the timestamps and extracting two or more keywords from each of the plurality of groups. Aspects further include identifying a relationship between the two or more keywords based on the extracted audio information and video information and creating a graph having a plurality of nodes and a plurality of links that connect a pair of nodes of the plurality of nodes. Each node corresponds to an extracted keyword and each link corresponds to the identified relationship between the pair of nodes.Type: GrantFiled: December 9, 2022Date of Patent: March 12, 2024Assignee: International Business Machines CorporationInventors: Yanfeng Shi, Hui Gao, Yue Chen, Yuan Yuan Ding, Hai Jun Xu, Huai Nan Zhou
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Patent number: 11930676Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1?S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1?(S1/n)/L1.Type: GrantFiled: November 4, 2022Date of Patent: March 12, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lang Liu, Jingquan Wang, Chen Xu
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Patent number: 11930664Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate. The pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; a direction from a first electrode of the first transistor to a second electrode of the first transistor is a first direction, a direction from a first electrode of the second transistor to a second electrode of the second transistor is a second direction, a direction from the first electrode of the driving transistor to the second electrode of the driving transistor is a fourth direction, and at least one of the first direction and the second direction intersects with the fourth direction.Type: GrantFiled: August 23, 2019Date of Patent: March 12, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dachao Li, Shengji Yang, Chen Xu
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Publication number: 20240070868Abstract: Embodiments described herein provide an open-vocabulary instance segmentation framework that adopts a pre-trained vision-language model to develop a pipeline in detecting novel categories of instances.Type: ApplicationFiled: January 25, 2023Publication date: February 29, 2024Inventors: Ning Yu, Vibashan Vishnukumar Sharmini, Chen Xing, Juan Carlos Niebles Duque, Ran Xu
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Publication number: 20240071848Abstract: Embodiments disclosed herein include package substrates. In an embodiment, the package substrate comprises a core, where the core comprises glass. In an embodiment, a first layer is under the core, a second layer is over the core, and a via is through the core, the first layer, and the second layer. In an embodiment a width of the via through the core is equal to a width of the via through the first layer and the second layer. In an embodiment, the package substrate further comprises a first pad under the via, and a second pad over the via.Type: ApplicationFiled: August 25, 2022Publication date: February 29, 2024Inventors: Bohan SHAN, Haobo CHEN, Brandon C. MARIN, Srinivas V. PIETAMBARAM, Bai NIE, Gang DUAN, Kyle ARRINGTON, Ziyin LIN, Hongxia FENG, Yiqun BAI, Xiaoying GUO, Dingying David XU, Jeremy D. ECTON, Kristof DARMAWIKARTA, Suddhasattwa NAD
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Patent number: 11916083Abstract: A display substrate has an active area which includes a photosensitive region with a light-transmitting channel. The display substrate includes a base, a pixel circuit layer, a first insulating layer and a conductive light-shielding layer. The pixel circuit layer includes pixel circuits and at least one pixel circuit includes a first thin film transistor and a second thin film transistor. The first insulating layer has a first via hole. The conductive light-shielding layer includes a conductive light-shielding pattern that has a first light-transmitting hole. Orthogonal projections of the first light-transmitting hole and of a gap region between the first thin film transistor and the second thin film transistor have a first overlapping region, which the light-transmitting channel penetrates. The conductive light-shielding pattern is coupled with a source electrode or a drain electrode of the first thin film transistor through the first via hole.Type: GrantFiled: June 27, 2020Date of Patent: February 27, 2024Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianbo Xian, Hongfei Cheng, Yongda Ma, Chen Xu, Xueguang Hao
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Patent number: 11914881Abstract: A data migration method and an apparatus are provided. The method is as follows: sending, by a first storage system, a location update request to a location server, where the location update request is used to indicate the location server to update location information of a first bucket from being located in a second storage system to being located in the first storage system; migrating data in a first bucket from the second storage system; receiving a data access request, where the data access request is used to access the data in the first bucket; and determining based on a type of the data access request and a migration status of the data, that the first storage system or the second storage system processes the data access request.Type: GrantFiled: January 8, 2021Date of Patent: February 27, 2024Assignee: Huawei Cloud Computing Technologies Co., Ltd.Inventors: Feng Xu, Yu Zhang, Ling Lin, Chen Ling, Lei Huang
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Publication number: 20240054324Abstract: A distributed learning method and apparatus for combining wireless communication with distributed learning to save resources, and improve performance of distributed learning in a wireless environment. A first node processes first data using a first data model to obtain first intermediate data. The first node sends the first intermediate data to a second node through a first channel. The first channel is updated based on error information of second intermediate data, information about the first channel, and the first intermediate data. The second intermediate data is a result of transmitting the first intermediate data to the second node through the first channel. The first channel is a channel between the first node and the second node.Type: ApplicationFiled: October 13, 2023Publication date: February 15, 2024Inventors: Gongzheng ZHANG, Chen XU, Rong LI, Jian WANG, Jun WANG
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Publication number: 20240046115Abstract: A prediction system of an online system deploys one or more machine-learned architectures to generate predictions. In one embodiment, the machine-learned architecture is a stacked ensemble model. The stacked ensemble model includes a plurality of base models, where a base model is coupled to receive input data and generate a base prediction for the input data. The stacked ensemble model includes a meta model that combines the base predictions to generate a meta prediction for the input data. The prediction system also generates a reliability measure that takes advantage of the base predictions to evaluate the reliability of the meta prediction. In this manner, while the quality of individual predictions may differ from one another depending on the values of the input data, the prediction system can dynamically generate the reliability measure to account for this variation.Type: ApplicationFiled: August 8, 2022Publication date: February 8, 2024Inventors: Donglin Hu, Yuxi Zhang, Kexin Xie, Chen Xu
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Publication number: 20240049188Abstract: A first communication apparatus receives training data, and determines a first intermediate gradient based on the training data. The first intermediate gradient is used to update a parameter of a first neural network located in a second communication apparatus. The first communication apparatus maps the first intermediate gradient to an air interface resource to generate a first gradient signal, and sends the first gradient signal to the second communication apparatus. The first gradient signal includes one or more first gradient symbols, and each of the first gradient symbols is corresponding to one or more gradient values.Type: ApplicationFiled: October 13, 2023Publication date: February 8, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chen XU, Gongzheng ZHANG, Jian WANG, Rong LI, Jun WANG
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Patent number: 11894145Abstract: A method of monitoring building compliance with healthy building guidelines includes obtaining current parameter values for a plurality of different parameters from a plurality of sensors disposed within a plurality of different zones of a building. For each of the parameters, the current parameter value received from each of the plurality of different zones is compared with a corresponding healthy building range for that parameter as specified by the healthy building guidelines. A healthy building dashboard is displayed that includes a summary that shows, for each of the plurality of different parameters, how many zones of the plurality of different zones of the building are within the corresponding healthy building range for that parameter and/or how many zones of the plurality of different zones are not within the corresponding healthy building range for that parameter.Type: GrantFiled: January 5, 2021Date of Patent: February 6, 2024Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Rajkumar Palanivel, Himanshu Khurana, Deenadayalan Karunakaran, Chandrakantha Chandra, Hemant Jagannath Wadnere, Ganapati Hegde, Naveen Kumar Dindukurthi Sivaprasad, Chen Xu