Patents by Inventor Zhenhua Zhang
Zhenhua 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: 20240221590Abstract: Embodiments of the present disclosure provide a display substrate, a driving method therefor, and a display apparatus. The display substrate has a display area and a bezel area. The display area includes a first display area and a second display area. The first display area has a light transmittance higher than that of the second display area. The first display area includes a plurality of pixel units distributed in an array, each pixel unit including a first subpixel and a second subpixel emitting different colors of light. The first display area includes a first initialization voltage line and a second initialization voltage line. The first initialization voltage line is electrically connected to the first subpixel, the second initialization voltage line is electrically connected to the second subpixel, and the first initialization voltage line and the second initialization voltage line are configured to receive different initialization voltages.Type: ApplicationFiled: May 24, 2021Publication date: July 4, 2024Inventors: Benlian WANG, Yudiao CHENG, Zhenhua ZHANG, Yuxin ZHANG
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Publication number: 20240224636Abstract: A display panel includes a base substrate, an assemble layer and an anode layer. The base substrate has a light transmissive area, and the light transmissive area includes at least one transparent display area. The transparent display area has a first boundary and a second being opposite in the row direction, and a third boundary and a fourth boundary being opposite in the column direction. The transparent display area includes at least one section, and the section includes multiple rows of sub-areas arranged in the column direction.Type: ApplicationFiled: August 23, 2021Publication date: July 4, 2024Inventors: Yue LONG, Zhenhua ZHANG, Hongli WANG, Jianchang CAI, Lina WANG, Jing ZHANG, Changlong YUAN
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Publication number: 20240219195Abstract: The disclosure provides a system, a method, and a computer program product for optimization of lane data. The system may be configured to categorize each location of a set of locations included in the lane data of each lane marking of the plurality of lane markings, into at least one of: a first area or a second area of a topological area. The system may further determine the lane data of each lane marking to be in at least one of: a first group, a second group or a third group, based on each categorized location of the set of locations. The system may further process the lane data associated with each lane marking of the plurality of lane markings based on the determined first group, the second group or the third group.Type: ApplicationFiled: December 28, 2022Publication date: July 4, 2024Inventors: Zhenhua ZHANG, Xiaoying JIN
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Publication number: 20240214994Abstract: This application provides a signal transmission method and a communication apparatus, so that SSBs with different periodicities can be flexibly sent based on an actual network parameter. This helps improve an access success rate, a handover success rate, and service stability of a terminal device, and reduce a proportion of time domain resources occupied by the SSB. The method includes: A first network device determines, based on a current network parameter, a sending quantity or sending duration of a synchronization signal and physical broadcast channel block SSB with a first periodicity; and the first network device sends, on a basis of sending an SSB with a second periodicity, the SSB with the first periodicity based on the sending quantity or the sending duration, where the first periodicity is less than or equal to 20 ms, and the second periodicity is greater than or equal to 40 ms.Type: ApplicationFiled: February 5, 2024Publication date: June 27, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xiaoke NING, Honggang XIE, Mingming HU, Zhenhua ZHANG
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Publication number: 20240200952Abstract: A system is disclosed for determining intersection location data. The system, for example, obtains reference feature data for a reference lane marking. The reference lane marking is associated with an intersection location. The system generates intersection line feature data for an intersection line lane marking based on the reference feature data. The intersection line lane marking has the intersection location, the reference lane marking being within a predefined proximity from the intersection line lane marking. The system generates intersection feature data associated with the intersection location for the intersection line lane marking based on the reference feature data and the intersection line feature data. The system determines intersection location data for the intersection location based on the reference feature data, the intersection line feature data and the intersection feature data.Type: ApplicationFiled: December 14, 2022Publication date: June 20, 2024Inventor: Zhenhua ZHANG
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Publication number: 20240202218Abstract: An approach is provided for linear feature detection of cartographic features. The approach, for example, involves receiving a plurality of linear feature detections that represent one or more linear features of a geographic environment and are detected using at least one sensor. The approach also involves clustering the plurality of linear feature detections into at least one cluster and determining that the at least one cluster forms a polygon. The approach further involves cutting the polygon at one or more cut locations to form a plurality of sub-clusters of the plurality of linear feature detections. The approach further involves extracting respective centerlines for the plurality of sub-clusters and connecting the respective centerlines at the one or more cut locations to generate a network graph of the one or more linear features.Type: ApplicationFiled: December 14, 2022Publication date: June 20, 2024Inventors: Qi MAO, Zhenhua ZHANG
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Publication number: 20240200978Abstract: A system is disclosed for estimating intersection connection point. The system, for example, obtains first feature data for a first feature line, obtains second feature data for a second feature line. The second feature line is within a first predefined threshold from the first feature line. The system identifies an intersection area based on the first feature data and the second feature data, the intersection area comprising a candidate intersection point; estimates an offset value for the first feature line and the second feature line within the intersection area; estimates heading information for the candidate intersection point based on the first feature data, the second feature data and the intersection area; and estimates the intersection connection point for the first feature line and the second feature line based on the candidate intersection point, the offset value and the heading information.Type: ApplicationFiled: December 15, 2022Publication date: June 20, 2024Inventor: Zhenhua ZHANG
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Publication number: 20240196682Abstract: A display substrate and a display device are provided. The display substrate includes: display region and peripheral region surrounding display region; display region includes at least one group of pixel regions including first pixel region and two second pixel regions, first pixel region is between two second pixel regions along first direction; peripheral region includes fan-out region on a side of first pixel region in second direction, second direction intersects with first direction; in display substrate, at least part of first data line is in first pixel region, first data line includes a part extending along second direction; at least part of second data line is in second pixel region, second data line includes a part extending along second direction; connecting line is coupled to corresponding second data line, connecting line includes a portion in first pixel region, connecting line extends from first pixel region to fan-out region.Type: ApplicationFiled: April 30, 2021Publication date: June 13, 2024Inventors: Yudiao CHENG, Xilei CAO, Benlian WANG, Qiwei WANG, Zhenhua ZHANG, Yuxin ZHANG
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Patent number: 12002817Abstract: Provided is a display substrate. The display substrate includes including a base substrate having a first display region and a second display region; in the pixel circuit included in the pixels in the second display region, the conductive line connected to the metal layer is a transparent conductive line, and the transparent conductive line is disposed between the two existing insulating layers.Type: GrantFiled: December 14, 2020Date of Patent: June 4, 2024Assignees: CHENGOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTDInventors: Ling Shi, Yipeng Chen, Ke Liu, Fei Fang, Zhenhua Zhang, Xuewei Tian
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Patent number: 11994394Abstract: A system for validating the road object data is provided. The system, for example, receives the road object data for a geographic region and determines, from a map database, a state of ground truth data associated with the geographic region. The state of the ground truth data comprises at least one of partial ground truth data and complete ground truth data. Further, the road object data is validated based on the determined state of the ground truth data. The validation of the road object data includes performing a first validation operation when the state of the ground truth data is the partial ground truth data and performing a second validation operation when the state of the ground truth data is the complete ground truth data.Type: GrantFiled: March 12, 2021Date of Patent: May 28, 2024Assignee: HERE GLOBAL B.V.Inventor: Zhenhua Zhang
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Publication number: 20240169915Abstract: A pixel driving circuit, a method for driving the same, and a display panel are provided. The pixel driving circuit includes a driving circuit (1) and an initialization circuit (2). The driving circuit (1) is connected to a first node (N1), a second node (N2), and a third node (N3). The initialization circuit (2) is connected to the first node (N1), the initialization circuit (2) is further connected to the second node (N2) and/or the third node (N3), and the initialization circuit (2) is configured to provide a first initialization voltage to the first node (N1), provide a first reset voltage to the second node (N2) and/or provide a second reset voltage to the third node (N3), so as to control a driving transistor (T3) in the driving circuit (1) to be turned on.Type: ApplicationFiled: July 29, 2022Publication date: May 23, 2024Inventors: Xilei CAO, Dongfang YANG, Zhenhua ZHANG, Li ZHU, Xiaoxin LI, Jingyi FENG
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Publication number: 20240161673Abstract: The present disclosure provides a shift register unit, a driving method, a driving circuit and a display device. The shift register unit includes a first node potential adjustment circuit, a first tank circuit, a second node control circuit, a second tank circuit, a third node control circuit, a first node control circuit, and an output circuit; the first node potential adjustment circuit changes the potential of the first node according to the adjustment clock signal under the control of the potential of the first node; the first tank circuit is used to maintain the potential of the first node; the third node control circuit controls the potential of the third isolation node and the potential of the fourth node; the second node control circuit controls the potential of the second isolation node.Type: ApplicationFiled: January 25, 2024Publication date: May 16, 2024Inventors: Yingsong XU, Zhenhua ZHANG, Qian MA, Xilei CAO, Changlong YUAN, Jingyi FENG, Weiyun HUANG, Benlian WANG
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Publication number: 20240144880Abstract: A pixel driving circuit includes: a data writing circuit, a compensation control circuit, a light emission control circuit, a voltage regulation circuit, a driving transistor, the compensation control circuit is connected with the driving transistor at a first node, the compensation control circuit is connected with the data writing circuit at a second node, the compensation control circuit, the light emission control circuit, the voltage regulation circuit are connected with the driving transistor at a third node; the compensation control circuit obtains a threshold voltage of the driving transistor, writes a third voltage into the second node, and writes a light emission voltage into the first node according to a variation in a voltage at the second node and the threshold voltage; the voltage regulation circuit maintains a voltage at the third node stable during the compensation control circuit writing the light emission voltage into the first node.Type: ApplicationFiled: July 29, 2022Publication date: May 2, 2024Inventors: Li ZHU, Xilei CAO, Zhenhua ZHANG, Xiaoxin LI, Changlong YUAN
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Publication number: 20240135875Abstract: A pixel circuit and a driving method therefor, and a display panel. The pixel circuit includes a driving circuit, a data writing circuit, a compensation storage circuit, a first light-emitting control circuit and a second light-emitting control circuit. The driving circuit includes a control end, a first end, and a second end, and is configured to control a driving current which flows through the first end and the second end and which is used for driving a light-emitting element to emit light; the data writing circuit is connected to a first scanning signal line and is configured to, in response to a first scanning signal provided by the first scanning signal line, write a data signal into the first end of the driving circuit; the data writing circuit and the first light-emitting control circuit repel one another in a connected state under the control of the first scanning signal.Type: ApplicationFiled: July 14, 2022Publication date: April 25, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Changlong Yuan, Xilei Cao, Li Zhu, Benlian Wang, Zhenhua Zhang
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Publication number: 20240119897Abstract: A pixel circuit and a driving method therefor and a display panel are provided. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, and a first reset circuit; the driving circuit includes a control terminal, a first terminal, and a second terminal, and is configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; the data write circuit is configured to write a data signal into the control terminal of the driving circuit; the storage circuit is configured to store the data signal; the first reset circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit; the driving circuit and the data write circuit each include an N-type thin film transistor; and the first reset circuit includes an N-type oxide thin film transistor.Type: ApplicationFiled: July 5, 2022Publication date: April 11, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhenhua Zhang, Dongfang Yang, Xilei Cao, Xueguang Hao, Lang Liu, Jingyi Feng, Changlong Yuan, Xiaoxin Li, Li Zhu
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Patent number: 11925087Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a first display region and a second display region; the first display region includes a plurality of first pixels, the first pixel includes a passive light-emitting device, the second display region includes a plurality of second pixels, the second pixel includes an active light-emitting device and a pixel drive circuit electrically connected to the active light-emitting device. The first display region further includes a plurality of first cathode blockers, and the first cathode blocker includes at least one first groove, wherein the first cathode blocker is provided between at least two adjacent columns of first pixels, to make the cathodes of the two adjacent columns of first pixels disconnected.Type: GrantFiled: October 29, 2020Date of Patent: March 5, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Yipeng Chen, Ling Shi, Ke Liu, Zhenhua Zhang
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Patent number: 11922845Abstract: The present disclosure provides a shift register unit, a driving method, a driving circuit and a display device. The shift register unit includes a first node potential adjustment circuit, a first tank circuit, a second node control circuit, a second tank circuit, a third node control circuit, a first node control circuit, and an output circuit; the first node potential adjustment circuit changes the potential of the first node according to the adjustment clock signal under the control of the potential of the first node; the first tank circuit is used to maintain the potential of the first node; the third node control circuit controls the potential of the third isolation node and the potential of the fourth node; the second node control circuit controls the potential of the second isolation node.Type: GrantFiled: October 23, 2020Date of Patent: March 5, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yingsong Xu, Zhenhua Zhang, Qian Ma, Xilei Cao, Changlong Yuan, Jingyi Feng, Weiyun Huang, Benlian Wang
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Patent number: 11910665Abstract: Provided are an array substrate and a display device. The array substrate includes: a base substrate including a display area and a peripheral area including a first peripheral area and a corner area; plurality of sub-pixels, data lines, and power lines at the display area; a plurality of control signal lines, data signal input lines, a multiplexing circuit and a first power bus which are at the first peripheral area and the corner area; a plurality of control signal connecting lines electrically connected to the control signal lines, at least partially overlapping with the data signal input lines, and located between the first power bus and the display area; and a plurality of control signal input lines electrically connected to the control signal connecting lines, at least partially overlapping with the first power bus, and on one side of the control signal connecting lines away from the display area.Type: GrantFiled: May 7, 2020Date of Patent: February 20, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Pengfei Yu, Zhenhua Zhang, Shun Zhang, Huijuan Yang
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Publication number: 20240057423Abstract: A display panel includes pixels arranged in rows and columns; each pixel includes a first sub-pixel configured to display a first color, a second sub-pixel configured to display a second color, and a third sub-pixel configured to display a third color; all sub-pixels included in the plurality of pixels are arranged in columns; in an odd-numbered column of sub-pixels, first sub-pixels and second sub-pixels are alternately arranged; in an even-numbered column of sub-pixels, third sub-pixels are sequentially arranged, for a first sub-pixel and a second sub-pixel of a same pixel, along a column direction, a border of the first sub-pixel proximate to the second sub-pixel is a first border, and a border of the second sub-pixel proximate to the first sub-pixel is a second border, and distances from at least two points on the first border to the second border along the column direction are not equal.Type: ApplicationFiled: March 10, 2022Publication date: February 15, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingchang GAO, Xilei CAO, Yangpeng WANG, Xucong WANG, Zhenhua ZHANG
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Patent number: 11900880Abstract: A display substrate, a display panel and a display apparatus are provided. The display substrate includes a base substrate, a first display region, and a second display region, and a light transmittance of the first display region is greater than that of the second display region A plurality of sub-pixels are arranged on the base substrate and in the first display region, wherein the sub-pixels include a first pixel driving circuit and a first light-emitting device, and the first pixel driving circuit includes a compensation transistor, a switching transistor, and a light-emitting device initialization transistor each having an active layer. A scan signal line is provided in the first display region. An orthographic projection of the scan signal line on the base substrate overlaps with that of the active layer of each of the compensation transistor, the switching transistor and the light-emitting device initialization transistor on the base substrate.Type: GrantFiled: February 7, 2021Date of Patent: February 13, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ke Liu, Ling Shi, Yipeng Chen, Hui Lu, Shuai Xie, Zhu Wang, Zhenhua Zhang