Patents by Inventor Minghua Zhang
Minghua Zhang 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: 20250110598Abstract: The present application discloses a touch detection method and apparatus, an electronic device, and a readable storage medium. The touch detection method comprises: determining at least one touch area according to sampled values of capacitive sensing nodes of a touch screen; performing, according to the sampled values of each touch area and position information of each touch area, target restoration processing on the sampled values in the touch area to determine target values of the capacitive sensing nodes in each touch area; determining a peak point of the target values in each touch area according to the target values of the capacitive sensing nodes in each touch area; and determining a valid touch area according to a preset touch threshold and the peak point of the target values in each touch area.Type: ApplicationFiled: December 12, 2024Publication date: April 3, 2025Applicant: SHENZHEN HITEVISION TECHNOLOGY CO., LTD.Inventors: Xiezeng XU, Shuai Wang, Minghua Zhang
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Publication number: 20250111011Abstract: Methods, systems, and computer program products are provided for coordinated analysis of output scores and input features of machine learning models in different environments. An example method includes receiving a plurality of first data records and a plurality of second data records. A first plot is generated based on a first score generated by a machine learning model for each first data record and a second score generated by the machine learning model for each second data record. The first plot is displayed. A plurality of second plots associated with at least a subset of the plurality of features are generated. Each respective second plot is generated based on a respective first field associated with a respective feature from the first data records and a respective second field associated with the respective feature from the second data records. The second plots are displayed.Type: ApplicationFiled: September 29, 2023Publication date: April 3, 2025Inventors: Junpeng Wang, Minghua Xu, Shubham Jain, Yan Zheng, Michael Yeh, Liang Wang, Wei Zhang
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Patent number: 12266679Abstract: A display substrate and a display device are provided. The display substrate includes light emitting diode chips, each light emitting diode chip includes light emitting units which respectively emit light of different colors, each light emitting unit includes a first electrode, a light emitting layer, a base and a second electrode, and the base and the second electrode are respectively located at both sides of the light emitting layer. In each light emitting diode chip, the light emitting units share the base and the first electrode, the light emitting layers of the light emitting units emit light of the same color, and at least one light emitting unit further includes a first color conversion layer located at a side of the base away from the light emitting layer, so as to convert first color light emitted by the light emitting layer into second color light.Type: GrantFiled: March 11, 2021Date of Patent: April 1, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Wang, Wei Li, Lijun Yuan, Jingjing Zhang, Can Zhang, Jinfei Niu, Ning Cong, Minghua Xuan, Xiaochuan Chen, Xue Dong, Qi Qi
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Publication number: 20250089417Abstract: The present disclosure provides a display apparatus, a display panel and a method of preparing the same. A display panel includes: a base substrate; and a plurality of light-emitting units provided on the base substrate, where each of the light-emitting units includes a first electrode, a first semiconductor layer, a light-emitting layer, a second semiconductor layer, and a second electrode which are stacked, the first electrode is provided on a side of the second electrode facing away from the base substrate, and the plurality of light-emitting units share a common first electrode. The present disclosure can improve display resolution.Type: ApplicationFiled: July 19, 2022Publication date: March 13, 2025Inventors: Can WANG, Xiaochuan CHEN, Minghua XUAN, Can ZHANG, Ning CONG, Jinfei NIU, Jingjing ZHANG
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Publication number: 20250078727Abstract: A pixel circuit, a driving method therefor, a display substrate and a display device are provided. The pixel circuit includes a drive circuit and a light emitting element connected in series between a first power supply terminal and a third power supply terminal; the drive circuit is used for providing a drive current and controlling a time length of conduction of a current path between the first power supply terminal and the third power supply terminal; the light emitting element is used for receiving the drive current in the current path and emitting light; the drive circuit includes a drive control sub-circuit, a light emitting control sub-circuit and a time-length control sub-circuit; the drive control sub-circuit is used for providing a drive current to the first node under control of the first scan signal terminal, the first data signal terminal and the second node.Type: ApplicationFiled: June 21, 2022Publication date: March 6, 2025Inventors: Jinfei NIU, Minghua XUAN, Can ZHANG, Can WANG, Ning CONG, Jingjing ZHANG, Xiao BAI
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Publication number: 20250078726Abstract: A pixel circuit, a driving method thereof, a display substrate and a display device are disclosed. The pixel circuit includes a driving circuit and a light-emitting element, the driving circuit is configured to provide a driving current and control a conducting duration of a current pathway between the first power supply terminal and the second power supply terminal; the light-emitting element is configured to receive the driving current in the current pathway and emit light; the driving circuit includes a current control sub-circuit and a duration control sub-circuit; the current control sub-circuit is configured to provide a driving current to the first node under the control of the first scanning signal terminal, the first data signal terminal and the first power supply terminal in a display stage and a non-display stage.Type: ApplicationFiled: June 17, 2022Publication date: March 6, 2025Inventors: Can ZHANG, Ning CONG, Can WANG, Jinfei NIU, Jingjing ZHANG, Minghua XUAN, Xiaochuan CHEN
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Publication number: 20250081610Abstract: Disclosed are a display substrate and a preparation method therefor, and a display apparatus. The display substrate includes a plurality of first circuit regions and a plurality of second circuit regions alternately disposed along a second direction, a first circuit region includes a plurality of repeat units (RU) and a plurality of blank units (KB) alternately disposed along a first direction, a repeat unit (RU) includes a plurality of circuit units (Q), a circuit unit (Q) includes a pixel drive circuit and a data signal line (DataI) connected with the pixel drive circuit, a second circuit region includes at least one gate unit (G), the gate unit includes at least one gate drive circuit, and an orthographic projection of the gate drive circuit on a plane of the display substrate is not overlapped with an orthographic projection of the data signal line (DataI) on the plane of the display substrate.Type: ApplicationFiled: December 22, 2022Publication date: March 6, 2025Inventors: Li XIAO, Yan QU, Haoliang ZHENG, Jiao ZHAO, Yuzhen GUO, Xiaorong CUI, Chenyang ZHANG, Minghua XUAN
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Publication number: 20250081609Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a plurality of circuit units (Q), the plurality of circuit units (Q) includes at least a first circuit unit (Q1), a second circuit unit (Q2) and a third circuit unit (Q3), wherein the first circuit unit (Q1) includes at least a first drive transistor (DTFT1), the second circuit unit (Q2) includes at least a second drive transistor (DTFT2), the third circuit unit (Q3) includes at least a third drive transistor (DTFT3), the channel width of the first drive transistor (DTFT1) is larger than that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3), and the channel length of the first drive transistor (DTFT1) is the same as that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3).Type: ApplicationFiled: December 22, 2022Publication date: March 6, 2025Inventors: Li XIAO, Haoliang ZHENG, Minghua XUAN, Jiao ZHAO, Yuzhen GUO, Xiaorong CUI, Chenyang ZHANG
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Publication number: 20250076725Abstract: A simulation method is provided, including: obtaining a model parameter information, including a total charge quantity and respective charge volume densities of various charged particles, and an external electric field force; calculating a built-in electric field intensity by using the model parameter information and a pre-constructed model, where an input of the model includes the total charge quantity and the respective charge volume densities of the various charged particles; calculating, based on the built-in electric field intensity, a built-in electric field force acting on each charged particle; simulating a motion of each charged particle according to the external electric field force and the built-in electric field force acting on each charged particle; and determining a display grayscale under the external electric field force to obtain a simulation relationship between display grayscale and external electric field force, in response to the motion of each charged particle stopping.Type: ApplicationFiled: August 31, 2023Publication date: March 6, 2025Inventors: Xiaorong Cui, Yuzhen Guo, Haoliang Zheng, Li Xiao, Chenyang Zhang, Minghua Xuan, Lipeng Gao, Jiao Zhao
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Patent number: 12245450Abstract: An electrode, a method of manufacturing the same, a light-emitting device, and a display device are provided, the electrode includes: a reflective layer; and two double-layer adjusting units stacked on the reflective layer, each including an insulating layer and a conductive layer sequentially arranged and directly contacted in a direction away from the reflective layer. For at least one unit, a via hole is provided in the insulating layer, an electrode lead formed integrally with the conductive layer is provided in the via hole, and electrically connected to the reflective layer through the electrode lead. In each unit, a difference between a thickness of the conductive layer and a thickness of the insulating layer does not exceed a set threshold configured to control the thickness of the insulating layer. The conductive layer farthest from the reflective layer locates on different levels in light-emitting regions of different types of light-emitting devices.Type: GrantFiled: December 27, 2022Date of Patent: March 4, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Can Zhang, Xiaochuan Chen, Can Wang, Han Yue, Ning Cong, Ming Yang, Minghua Xuan
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Patent number: 12237316Abstract: A display substrate, including: a base substrate including at least a side edge and a display area; a plurality of pixel units disposed in the display area, a second pixel unit is located on a side of a first pixel unit close to the side edge, edges of the second pixel unit include the side edge, a third pixel unit is located between the first pixel unit and the second pixel unit, and the third pixel unit is adjacent to the second pixel unit; and a plurality of light emitting diode chips disposed on the base substrate a first light emitting diode chip is located in the first pixel unit, a part of a second light emitting diode chip is located in the second pixel unit, and the other part of the second light emitting diode chip is located in the third pixel unit.Type: GrantFiled: June 25, 2021Date of Patent: February 25, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Li, Can Wang, Can Zhang, Li Xiao, Minghua Xuan, Lijun Yuan, Jinfei Niu, Jingjing Zhang, Guangcai Yuan
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Publication number: 20250061846Abstract: A pixel circuit includes a driving circuit, a control circuit and a gating circuit. The driving circuit is configured to control, under control of a scan signal and a signal received at an enable signal control terminal, on and off of a current path for transmitting a driving current signal. The control circuit is configured to transmit, under control of a control signal received at a control signal terminal, a first enable signal received at a first enable signal terminal or a second enable signal received at a second enable signal terminal to a first node. The gating circuit is configured to transmit, in response to an enable signal received at the first node, a first constant voltage signal received at the first constant voltage signal terminal or a second constant voltage signal received at the second constant voltage signal terminal to the enable signal control terminal.Type: ApplicationFiled: November 6, 2024Publication date: February 20, 2025Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ning CONG, Can ZHANG, Minghua XUAN, Jinfei NIU, Can WANG, Jingjing ZHANG, Jiakui YAN
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Patent number: 12229779Abstract: Provided is a method for detecting group activities in a network. The method may include receiving interaction data associated with a plurality of interactions. For each account identifier associated with at least one interaction, a value may be determined for each of a first set of categories, and a vector may be generated based on the value for each category. The length of each vector may be determined. At least one relational graph may be generated based on the interaction data. Each relational graph may be associated with a respective category of a second set of categories. At least one cluster of nodes may be determined based on the relational graph(s). A score for each cluster may be determined based on the length of the vector associated with the account identifier of each node of the cluster of nodes. A system and computer program product are also disclosed.Type: GrantFiled: December 30, 2020Date of Patent: February 18, 2025Assignee: Visa International Service AssociationInventors: Liang Wang, Junpeng Wang, Chiranjeet Chetia, Shi Cao, Harishkumar Sundarji Majithiya, Roshni Ann Samuel, Minghua Xu, Wei Zhang, Hao Yang
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Publication number: 20250056985Abstract: A display panel and a display apparatus are provided. A display region of the display panel includes a first display region and a transition display region, and a transmittance of the first display region is greater than that of the transition display region. The display panel includes: light-emitting unit groups, first drive circuits, first signal lines and second signal lines.Type: ApplicationFiled: January 6, 2023Publication date: February 13, 2025Inventors: Ming YANG, Xuan FENG, Zhenyu ZHANG, Minghua XUAN
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Publication number: 20250040327Abstract: Embodiments of the present application provide a display panel, a display device, and a method for manufacturing the display panel. The display panel includes a substrate, a light emitter, a first electrode and a light collimating unit. The light emitter is on a side of the substrate. The first electrode is on a side of the light emitter away from the substrate. The light collimator is on a side of the first electrode away from the substrate, and the light collimator includes at least one microstructure, in a direction away from the substrate, a cross-sectional area of each of the at least one microstructure decreases.Type: ApplicationFiled: July 19, 2022Publication date: January 30, 2025Inventors: Jingjing ZHANG, Can WANG, Xiaochuan CHEN, Minghua XUAN, Can ZHANG, Ning CONG, Jinfei NIU
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Publication number: 20250037133Abstract: Provided is a method for detecting group activities in a network. The method may include receiving interaction data associated with a plurality of interactions. For each account identifier associated with at least one interaction, a value may be determined for each of a first set of categories, and a vector may be generated based on the value for each category. The length of each vector may be determined. At least one relational graph may be generated based on the interaction data. Each relational graph may be associated with a respective category of a second set of categories. At least one cluster of nodes may be determined based on the relational graph(s). A score for each cluster may be determined based on the length of the vector associated with the account identifier of each node of the cluster of nodes. A system and computer program product are also disclosed.Type: ApplicationFiled: September 17, 2024Publication date: January 30, 2025Inventors: Liang Wang, Junpeng Wang, Chiranjeet Chetia, Shi Cao, Harishkumar Sundarji Majithiya, Roshni Ann Samuel, Minghua Xu, Wei Zhang, Hao Yang
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Patent number: 12130143Abstract: An airport surface semantic path representation and an outlier taxiing pattern detection method for airport operation management, semantic conversion is realized based on dynamic features in an aircraft taxiing process, and after combining with surface map topology information, an airport surface aircraft semantic path representation is obtained; road segment geographic information is used to allocate a road segment weight to improve a longest common sub-sequence method, thereby constructing a flight path similarity matrix and using hierarchical clustering to realize surface taxiing pattern recognition; finally, by calculating the internal similarity of the identified patterns, the maximum outlier for identifying outlier patterns is obtained; after calculating the similarity between subsequent input flight paths and each pattern, as well as comparing a corresponding outlier with the maximum reachable outlier, the prewarning of outlier flight paths is achieved, the safety of surface management is ensured, andType: GrantFiled: April 26, 2024Date of Patent: October 29, 2024Inventors: Xiaoxiao Zhang, Yang Yang, Zhihao Gao, Minghua Zhang, Kaiquan Cai
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Publication number: 20240248562Abstract: Embodiments of the present application provide a method and an apparatus for determining a position of a touch point.Type: ApplicationFiled: January 10, 2022Publication date: July 25, 2024Applicant: SHENZHEN HITEVISION TECHNOLOGY CO., LTD.Inventor: Minghua ZHANG
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Patent number: 12031887Abstract: A field agricultural machinery test platform, comprising a field soil groove, traveling guide rails, traveling trolleys, a hitch trolley, a hitch device mechanism, and a test system. The two guide rails are provided on both sides of the field soil groove in parallel, and the traveling trolleys are located on the guide rails; a cross beam is provided between the two guide rails, and the two ends of the cross beam are respectively connected to the traveling trolleys; the hitch trolley is provided on the cross beam, and a hitch device is provided on the hitch trolley; the test system is provided on the hitch trolley and the hitch device; a test machine is connected to the hitch device; the test system comprises an image assembly, a force test assembly, and a control assembly which are mounted on the hitch trolley.Type: GrantFiled: November 7, 2019Date of Patent: July 9, 2024Assignee: South China Agricultural UniversityInventors: Zaiman Wang, Minghua Zhang, Xiwen Luo, Peng Xu, Ying Zang, Wenwu Yang, Shuncai Liu, Miao Su, Juan Pei, Siyu He, Yangqing Ye
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Publication number: 20240163416Abstract: A photographing method includes: in response to determining that a processing condition for multi-frame photographing is met, acquiring images from one or more second photographing apparatuses respectively to obtain a plurality of frames of images; and performing multi-frame fusion processing on the plurality of frames of images to obtain a photographed image.Type: ApplicationFiled: March 31, 2023Publication date: May 16, 2024Inventors: Guosheng LI, Minghua ZHANG, Haohan LI