Patents by Inventor Pengfei Yu
Pengfei Yu 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: 11974466Abstract: A first planarization layer, an anode lap joint later, a pixel defining layer are between the first dam and the display area; the anode lap joint layer includes a main body portion and sharp angle portions; the sharp angle portion at least includes a first side edge close to the display area; the pixel defining layer wraps a border of the anode lap joint layer and has a first groove extending from one to the other sharp angle portion. An edge of the first groove adjacent to the first side edge of the sharp angle portion is a second side edge; and an orthographic projection of the second side edge on a base substrate is in an orthographic projection of the third groove on the base substrate.Type: GrantFiled: July 27, 2020Date of Patent: April 30, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lu Bai, Li Song, Chang Luo, Sen Du, Pengfei Yu, Jie Dai, Yang Zhou
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Patent number: 11967286Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, and includes a shift register unit, a first clock signal line, and a second clock signal line in a peripheral region; a first portion and a second portion of a first connection wire of the display substrate are connected to a first gate electrode of a first control transistor of the shift register unit; an orthographic projection of the first portion on the base substrate is on a side of an orthographic projection of an active layer of the first control transistor on the base substrate away from a display region; and an orthographic projection of the second portion on the base substrate is on a side of the orthographic projection of the active layer of the first control transistor on the base substrate close to the display region.Type: GrantFiled: September 30, 2020Date of Patent: April 23, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pengfei Yu, Qiang Zhang, Tinghua Shang, Lu Bai, Jie Dai, Chenxing Wan, Haigang Qing
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Patent number: 11963382Abstract: Provided are a display substrate and a preparation method thereof, and a display device. A display region and a binding region located at one side of the display region are comprised. The display region comprises a driving structure layer, an organic insulating layer disposed on the driving structure layer and a light-emitting element disposed on the organic insulating layer, the driving structure layer comprises a pixel driving circuit, and the light-emitting element is connected with the pixel driving circuit. The binding region comprises a binding structure layer, an organic insulating layer and an isolation dam disposed on the binding structure layer, and an inorganic encapsulation layer disposed on the organic insulating layer and the isolation dam, the binding structure layer comprises a power line connected with the pixel driving circuit; at least one isolation groove is disposed on the organic insulating layer of the binding region.Type: GrantFiled: April 21, 2020Date of Patent: April 16, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Pengfei Yu, Chenxing Wan
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Patent number: 11963450Abstract: A method for manufacturing a core-shell coaxial gallium nitride (GaN) piezoelectric nanogenerator is provided. A mask covering a center part of a gallium nitride wafer is removed. An electrodeless photoelectrochemical etching is performed on the gallium nitride wafer to form a primary GaN nanowire array on a surface of the gallium nitride wafer. A precious metal layer provided on the surface of the gallium nitride wafer is removed and an alumina layer is deposited on the surface of the gallium nitride wafer to cover the primary GaN nanowire array to obtain a core-shell coaxial GaN nanowire array. A first conductive layer is provided on a flexible substrate to which the core-shell coaxial GaN nanowire array is transferred. A second conductive layer is provided at a top end of the core-shell coaxial GaN nanowire array, and is connected to an external circuit to obtain the core-shell coaxial GaN piezoelectric nanogenerator.Type: GrantFiled: August 11, 2023Date of Patent: April 16, 2024Assignee: Guangdong University of TechnologyInventors: Yun Chen, Pengfei Yu, Aoke Song, Zijian Li, Maoxiang Hou, Xin Chen
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Publication number: 20240119905Abstract: A display substrate, a manufacturing method and a display device are provided. At least one of the plurality of shift register units in the scan driving circuit includes an output circuit including an output transistor and an output reset transistor; a length of the active layer of the output transistor/the output reset transistor in the first direction is a first length/a second length, and a sum thereof is an output active length; a smaller one of minimum width of the active layer of the output transistor and the output reset transistor in a second direction is a first output active width, the first direction intersects the second direction; a ratio of the output active length to the first output active width is within a first predetermined ratio range greater than or equal to 3 and less than or equal to 11.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Inventors: Lu BAI, Haigang QING, Pengfei YU, Jie DAI, Xiaofeng JIANG
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Patent number: 11957033Abstract: Provided are a display panel, a manufacturing method thereof, and a display device. The display panel includes an alignment mark region arranged within a flat region of a peripheral region of the display panel. The peripheral region is a region of the display panel other than an active area of the display panel. An alignment mark pattern is arranged within the alignment mark region, and/or at least one film layer within the alignment mark region is hollowed out.Type: GrantFiled: May 9, 2020Date of Patent: April 9, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Huijuan Yang, Tingliang Liu, Tinghua Shang, Yang Zhou, Pengfei Yu, Yi Zhang, Junxi Wang
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Publication number: 20240112638Abstract: A display substrate and manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, and a shift register unit and a first clock signal line that are on the base substrate, the first clock signal line extends along a first direction on the base substrate and is configured to provide a first clock signal to the shift register unit, the shift register unit includes an input circuit, an output circuit, a first control circuit and an output control circuit, and the input circuit includes an input transistor, an active layer of the input transistor is in a strip shape extending along a second direction, and the second direction is different from the first direction.Type: ApplicationFiled: December 11, 2023Publication date: April 4, 2024Inventors: Pengfei YU, Lu BAI, Jie DAI, Linhong HAN
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Patent number: 11950466Abstract: A display substrate, a method of manufacturing the same, and a display apparatus are provided. Multiple subpixels in the display substrate include first and second subpixels. Each subpixel includes a power signal line pattern and a light-emitting element. The power signal line pattern includes first and second power line portions. At least a part of the first power line portion extends in a second direction. The light-emitting element includes an anode pattern. In the display substrate, an overlap between the anode pattern of the first subpixel and the power signal line pattern is larger in area than an overlap between the anode pattern of the second subpixel and the power signal line pattern, an overlap between the anode pattern of the first subpixel and the first power line portion is larger in area than an overlap between the anode pattern of the first subpixel and the second power line portion.Type: GrantFiled: August 31, 2020Date of Patent: April 2, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pengfei Yu, Haigang Qing, Tinghua Shang, Jie Dai, Lu Bai, Chenxing Wan, Yang Zhou
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Patent number: 11943984Abstract: A display substrate includes: a base substrate; a plurality of sub-pixels, each sub-pixel including a light-emission device including a first electrode; a plurality of signal lines including at least a first signal line and a second signal line; a signal line lead in a non-display area; and a signal line transfer structure on the base substrate, wherein the signal line transfer structure is configured to connect the signal line lead and the second signal line, the signal line transfer structure and the first signal line are located in the same layer, and the signal line transfer structure is spaced apart from the first signal line. An orthographic projection of the first electrode of at least one of the sub-pixels on the base substrate at least partially overlaps with an orthographic projection of each of the first signal line and the signal line transfer structure on the base substrate.Type: GrantFiled: July 15, 2020Date of Patent: March 26, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie Dai, De Li, Pengfei Yu, Tinghua Shang
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Publication number: 20240099053Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. A pixel region is provided with a light emission function layer on a base substrate of the display substrate, and a separation region is provided with at least one first barrier structure. The first barrier structure includes a stopper pattern and a first separation component. A side surface of the first separation component has a recess, and a portion of the light emission function layer extending to the separation region is disconnected on the side of the first separation component. The separation region is provided with an inorganic layer structure on the base substrate. The inorganic layer structure includes multiple stacked inorganic film layers, the stopper pattern is located between two adjacent inorganic film layers and the first separation component is located on a side of the inorganic layer structure away from the base substrate.Type: ApplicationFiled: November 15, 2023Publication date: March 21, 2024Inventors: Yupeng HE, Yang ZHOU, Xin ZHANG, Pengfei YU, Xiaofeng JIANG, Yi QU, Lulu YANG, Huijun LI, Meng ZHANG
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Publication number: 20240093345Abstract: The present disclosure provides a fixed-position defect doping method for a micro-nanostructure based on a self-alignment process, including: S1, sequentially forming a sacrificial layer and a photoresist layer on a surface of a crystal substrate; S2, performing a lithography on the photoresist layer to form a mask hole according to a micro-nano pattern; S3, performing an isotropic etching on the sacrificial layer through the mask hole, and amplifying the micro-nano pattern to the sacrificial layer; S4, performing an ion implantation doping on an exposed crystal surface below the mask hole; S5, removing the photoresist layer, and depositing a mask material; S6, removing the sacrificial layer, and transferring a micro-nano amplified pattern in the sacrificial layer to a mask material pattern; and S7, etching an exposed crystal surface, and removing the mask material on the surface and forming a specific defect by annealing.Type: ApplicationFiled: November 30, 2020Publication date: March 21, 2024Inventors: Mengqi Wang, Ya Wang, Haoyu Sun, Xiangyu Ye, Pei Yu, Hangyu Liu, Pengfei Wang, Fazhan Shi, Jiangfeng Du
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Patent number: 11937470Abstract: 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; plurality of sub-pixels and data lines; a plurality of control signal lines, data signal input lines and a multiplexing circuit. At least one multiplexing unit includes a plurality of switching transistors, at least one of which including: a first active layer, a first gate including a first gate portion and a second gate portion spaced apart and electrically connected to a control signal line; two first electrodes electrically connected to the first active layer and a data signal input line; and a second electrode electrically connected to the first active layer and one of at least two data lines, an orthographic projection of the second electrode on the base substrate being located between that of the two first electrodes.Type: GrantFiled: May 7, 2020Date of Patent: March 19, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventor: Pengfei Yu
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Patent number: 11934068Abstract: The present application discloses a display module and a manufacturing method thereof, and a mobile terminal. The display module includes a printed circuit board connected to a backlight flexible circuit board. A side of the backlight flexible circuit board connected to the printed circuit board comprises at least two first bonding regions, wherein each of the first bonding regions includes at least two first bonding terminals distributed therein, and wherein a distance between any two adjacent first bonding regions is greater than a distance between any two adjacent first bonding terminals in each of the first bonding regions.Type: GrantFiled: July 23, 2021Date of Patent: March 19, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Pengfei Yu
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Publication number: 20240084533Abstract: The present disclosure provides a soft ground cleaning vehicle, including a main body frame; wherein each of both sides of the main body frame is arranged with a screw propulsion mechanism, and a lower portion of each of the both sides of the main body frame is arranged with a bottom frame; a power assembly is arranged on the bottom frame, and an extension frame is arranged on a lower portion of the bottom frame; the extension frame is arranged with a rotation assembly; a plastic track is arranged on the power assembly and the rotation assembly; a plurality of stand plates are arranged on an outer strip surface of the plastic track.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Inventors: QI QIU, HAO CHEN, MINGBIN GONG, YANGFANG WU, PENGFEI WANG, WEN YU, JUN ZHANG
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Patent number: 11916282Abstract: An antenna apparatus includes a feeding antenna inside an electronic device and one or more antenna elements, such as a floating metal antenna, disposed on a rear cover of the electronic device. The floating metal antenna and a feeding antenna inside the electronic device may form a coupling antenna structure. The feeding antenna may be an antenna fastened on an antenna support (which may be referred to as a support antenna). The feeding antenna may alternatively be a slot antenna formed by slitting on a metal middle frame of the electronic device. The antenna apparatus may be implemented in limited design space, thereby effectively saving antenna design space inside the electronic device. The antenna apparatus may generate excitation of a plurality of resonance modes, so that antenna bandwidth and radiation characteristics can be improved.Type: GrantFiled: November 5, 2019Date of Patent: February 27, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Pengfei Wu, Chien-Ming Lee, Dong Yu, Chih Yu Tsai, Chih-Hua Chang, Arun Sowpati
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Patent number: 11915078Abstract: A display panel, a display screen, and an electronic apparatus are provided. Wherein, the display panel includes a first limiting part and a second limiting part, wherein the first limiting part and the second limiting part are configured to limit an identification pattern within a preset region; a first sealing part disposed between the first limiting part and the second limiting part and disposed on a first side of the identification pattern; and a first vacuum area disposed on a second side of the identification pattern.Type: GrantFiled: July 21, 2020Date of Patent: February 27, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.Inventor: Pengfei Yu
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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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Patent number: 11900682Abstract: A method for video clip extraction includes: obtaining a video, and sampling the video to obtain N video frames, wherein N is a positive integer; inputting the N video frames to a pre-trained frame feature extraction model to obtain a feature vector of each video frame in N video frames; determining scores of the N video frames based on a pre-trained scoring model; and extracting target video clips from the video based on the scores of the N video frames.Type: GrantFiled: April 26, 2021Date of Patent: February 13, 2024Assignee: BEIJING XIAOMI PINECONE ELECTRONICS CO., LTD.Inventors: Jiagao Hu, Fei Wang, Pengfei Yu, Daiguo Zhou
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Patent number: 11900881Abstract: The present disclosure provides a display substrate, a manufacturing method and a display device. At least one of the plurality of shift register units in the scan driving circuit includes an output circuit including an output transistor and an output reset transistor; a length of the active layer of the output transistor/the output reset transistor in the first direction is a first length/a second length, and a sum thereof is an output active length; a smaller one of minimum width of the active layer of the output transistor and the output reset transistor in a second direction is a first output active width, the first direction intersects the second direction; a ratio of the output active length to the first output active width is within a first predetermined ratio range greater than or equal to 3 and less than or equal to 11.Type: GrantFiled: June 4, 2020Date of Patent: February 13, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lu Bai, Haigang Qing, Pengfei Yu, Jie Dai, Xiaofeng Jiang
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Patent number: 11903273Abstract: The present disclosure relates to a display substrate and a display device. The display substrate includes: a base substrate including a display area and a non-display area includes a fan-out area; a signal line layer including a plurality of signal lines located in the fan-out area; a first metal layer including a first power line located in the non-display area; a first electrode layer including a first electrode portion; and an organic insulating layer having a groove located in the non-display area. On the base substrate, an orthographic projection of the first electrode portion at least partially overlaps with that of the first power line, an orthographic projection of the organic insulating layer at an edge of the groove at least partially overlaps with that of the fan-out area in a first overlapping area having at least part not overlapping with an orthographic projection of the first electrode portion.Type: GrantFiled: July 27, 2020Date of Patent: February 13, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lu Bai, Xin Zhang, Pengfei Yu, Jie Dai, Sen Du, Li Song, Xiaofeng Jiang