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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Publication number: 20220310708Abstract: 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: ApplicationFiled: July 15, 2020Publication date: September 29, 2022Applicants: 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: 20220310750Abstract: 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: ApplicationFiled: August 31, 2020Publication date: September 29, 2022Applicants: 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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Publication number: 20220310744Abstract: 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: ApplicationFiled: July 27, 2020Publication date: September 29, 2022Applicants: 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
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Publication number: 20220310006Abstract: 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 first control circuit includes a first control transistor and a second control transistor, an active layer of the first control transistor and an active layer of the second control transistor are a continuous control semiconductor layer, the control semiconductor layer extends along the first direction.Type: ApplicationFiled: April 10, 2020Publication date: September 29, 2022Inventors: Pengfei YU, Lu BAI, Jie DAI, Linhong HAN
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Publication number: 20220310722Abstract: Provided are a display motherboard, a preparation method thereof, a display substrate and a display device. The display motherboard includes a plurality of display substrate regions and a cutting region located at a periphery of each of the plurality of display substrate regions; the display motherboard includes a driving structure layer arranged in each of the plurality of display substrate regions and a marking structure layer arranged in each cutting region, wherein the marking structure layer includes a cutting mark layer; and a planarization layer arranged on the driving structure layer and the marking structure layer, and covering the marking structure layer.Type: ApplicationFiled: December 29, 2020Publication date: September 29, 2022Inventors: Linhong HAN, Yi ZHANG, Guangzhou ZHAO, Yiyang ZHANG, Yuqing YANG, Tingliang LIU, Pengfei YU, Yang ZHOU, Qun MA, Xiping LI, Shikai QIN, Weiyun HUANG, Yue LONG
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Publication number: 20220294459Abstract: A frequency locking method for a phase-locked loop comprises the following steps: S1, a frequency control module controls a numerically controlled oscillator to obtain an maximum output frequency and a minimum output frequency; S2, obtain a minimum frequency ratio and a maximum frequency ratio by means of a time-to-digital converter and the frequency control module; S3, calculate a first frequency control word and a first frequency ratio according to the minimum frequency ratio and the maximum frequency ratio; S4, the frequency control module uses the Newton's iterative method to recalculate a new frequency control word; S5, obtain a new frequency ratio according to the new frequency control word; S6, if the new frequency ratio is within an error range, end iteration and stably output the new frequency control word, and otherwise, jump to step S4.Type: ApplicationFiled: May 11, 2022Publication date: September 15, 2022Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGYInventors: Zhijian CHEN, Ziying WU, Changjian ZHOU, Pengfei YU, Bin LI, Shaolin ZHOU
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Publication number: 20220285458Abstract: A display panel includes a substrate, and a plurality of pixel units arranged on the substrate in an array form and each including a plurality of subpixels. Each subpixel includes a subpixel driving circuitry, a planarization layer and an anode pattern laminated one on another, each anode pattern of at least a part of the subpixels includes a middle portion and a peripheral portion surrounding the middle portion, a groove is formed in a surface of the planarization layer away from the substrate, an orthogonal projection of the groove onto the substrate surrounds an orthogonal projection of the middle portion onto the substrate, and at least a part of an orthogonal projection of the peripheral portion onto the substrate is located within the orthogonal projection of the groove onto the substrate.Type: ApplicationFiled: April 15, 2021Publication date: September 8, 2022Inventors: Tinghua SHANG, Yang ZHOU, Pengfei YU, Zhengwei LUO
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Patent number: 11436981Abstract: A display substrate, a manufacturing method and a display device are provided. The display substrate includes a scan driving circuit; the scan driving circuit includes a plurality of shift register units, at least one shift register unit includes a signal output line and an output circuit, the output circuit includes an output transistor and an output reset transistor; the signal output line includes a first output line portion extending along the first direction; the first output line portion is coupled to the second electrode of the output transistor or the output reset transistor through a plurality of first or second signal line via holes arranged in a signal line overlap area, and the plurality of first or second signal line via holes are arranged along the first direction.Type: GrantFiled: June 4, 2020Date of Patent: September 6, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lu Bai, Xin Zhang, Pengfei Yu
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Publication number: 20220254285Abstract: A display panel, comprising a first insulating structural layer, a first crack detection line, a second insulating structural layer and a second crack detection line which are sequentially arranged on a substrate, wherein the first crack detection line and the second crack detection line are both located in a peripheral area and are arranged around a display area, one end of the first crack detection line is configured to receive a detection signal, and the other end of the first crack detection line is configured to output a first output signal, and one end of the second crack detection line is configured to receive a detection signal and the other end of the second crack detection line is configured to output a second output signal.Type: ApplicationFiled: April 13, 2021Publication date: August 11, 2022Inventors: Yu WANG, Yi ZHANG, Tingliang LIU, Chang LUO, Hao ZHANG, Huijuan YANG, Tinghua SHANG, Yang ZHOU, Pengfei YU, Shun ZHANG, Xiaofeng JIANG, Huijun LI, Linhong HAN
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Patent number: 11404009Abstract: 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; a plurality of sub-pixels, data lines, gate lines and light emitting control lines; a plurality of groups of connecting lines located at the corner area, each group of which including a plurality of connecting lines including a gate connecting line electrically connected to a gate line and a light emitting control connecting line electrically connected to a light emitting control line; a gate driving circuit; a light emitting control driving circuit; a plurality of data signal input lines; and a multiplexing circuit. The orthographic projection of each connecting line on the base substrate passes between that of two adjacent multiplexing units and does not overlap with that of the multiplexing units.Type: GrantFiled: May 7, 2020Date of Patent: August 2, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventor: Pengfei Yu
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Patent number: 11396683Abstract: A control system and method for dry centrifugal granulation of liquid slag are provided. The control system includes a granulator cold-air control unit and a feeding unit. The granulator cold-air control unit includes a granulator, a rotating shaft, a motor, and a cold-air supply unit. The granulator is fixed to the motor; the cold-air supply unit includes a shaft cooling air channel and an annular cooling air channel; the shaft cooling air channel consists of an inner duct sleeve and a shaft sleeve; the annular cooling air channel consists of the inner duct sleeve and an outer duct sleeve arranged at periphery of the inner duct sleeve, which have different external diameters; the feeding unit includes a slag dropping pipe arranged above the granulator; a sliding gate is arranged at a lower section of the slag dropping pipe, and an accident diversion spout is equipped.Type: GrantFiled: April 13, 2017Date of Patent: July 26, 2022Assignee: XI'AN JIAOTONG UNIVERSITYInventors: Shuzhong Wang, Xi Zhang, Liwei Ma, Pengfei Yu, Jianjun Cai, Zhongqing Zhang, Lin Chen, Haiyu Meng, Zefeng Jing
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Patent number: 11386577Abstract: The present disclosure relates to an image processing method that can include that an image to be processed is acquired, at least one category is selected via category information of the image to be processed, and a thermodynamic diagram for each category in the at least one category can be determined via the category information. The method can further include that a first positioning frame set corresponding to a target object in the image to be processed is respectively determined for the thermodynamic diagram for each category in the thermodynamic diagram for the at least one category, and a second positioning frame set of the image to be processed is determined according to an unsupervised target detection algorithm. Additionally, the method can include that a target positioning frame set in the image to be processed is determined according to the first positioning frame set and the second positioning frame set.Type: GrantFiled: August 3, 2020Date of Patent: July 12, 2022Assignee: Beijing Xiaomi Pinecone Electronics Co., Ltd.Inventors: Pengfei Yu, Jiagao Hu, Fei Wang, Changxin Liu
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Patent number: 11387314Abstract: A display substrate includes a scan driving circuit and a display area arranged on a substrate, the scan driving circuit includes shift register units; the scan driving circuit includes a first/second voltage signal line and a first/second clock signal line extending along a first direction; the display area includes at least one driving transistor configured to drive a light emitting element for display; at least one shift register unit includes a signal output line, a first capacitor, and at least two transistors coupled to a same electrode plate of the first capacitor; the signal output line extends along a second direction intersecting the first direction; gate electrodes of the at least two transistors are respectively coupled to the same electrode plate of the first capacitor, and the first capacitor and the at least two transistors are arranged on a same side of the first voltage signal line.Type: GrantFiled: March 16, 2020Date of Patent: July 12, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie Dai, Lu Bai, Pengfei Yu, Huijuan Yang, Huijun Li, Hao Zhang
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Publication number: 20220208927Abstract: An array substrate, a display panel, and a display device are provided. The array substrate includes sub-pixels includes a pixel circuit, and the pixel circuit includes a light emitting element, a storage capacitor, a driving transistor, a data writing transistor, a data line and a first connection structure. The driving transistor is configured to control the light emitting element to emit light; the data line is connected to the first electrode of the data writing transistor and configured to provide a data signal for the data writing transistor; the data writing transistor is configured to write the data signal into the gate electrode of the driving transistor; and the first connection structure is connected to both the gate electrode of the driving transistor and a first electrode plate of the storage capacitor, and the first connection structure and the data line are provided in different layers.Type: ApplicationFiled: June 30, 2020Publication date: June 30, 2022Inventors: Huijuan YANG, Tingliang LIU, Shun ZHANG, Pengfei YU, Yu WANG, Hao ZHANG
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Publication number: 20220185414Abstract: A electric personal mobility device may include a main body including a rider-support-platform structure and a steering column coupled to the rider-support-platform structure. The electric personal mobility device may further include a wheel arrangement, having at least one front wheel and at least one rear wheel, supporting the main body. The at least one front wheel may be steerable by the steering column. According to various embodiments, the rider-support-platform structure may include an elongate hollow housing structure enclosing an internal space partitioned to define a first and second longitudinal-internal-battery-compartments. Each longitudinal-internal-battery-compartment may be extending lengthwise along respective longitudinal side of the elongate hollow housing and having a respective rear opening at an aft portion of the elongate hollow housing structure.Type: ApplicationFiled: April 2, 2020Publication date: June 16, 2022Inventors: Xihu WU, Kang YAN, Pengfei YU, Yi ZHENG
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Publication number: 20220190090Abstract: Provided are a display panel and a display device. The display panel includes: a base substrate including a display area and a peripheral area; a plurality of sub-pixels; a driving circuit; a power line; a connection layer electrically connected to the power line and located on one side of the driving circuit and the power line away from the base substrate, an orthographic projection of the connection layer on the base substrate partially overlaps with that of the driving circuit on the base substrate, and a minimum distance between an edge of the orthographic projection of the connection layer on the base substrate close to the display area and an edge of an orthographic projection of an anode, which is closest to an edge of the display area of a plurality of anodes of the sub-pixels, on the base substrate ranges from 150 to 250 microns; and a cathode.Type: ApplicationFiled: June 30, 2020Publication date: June 16, 2022Inventors: Jie Dai, Yi Qu, Pengfei Yu, Sen Du, Li Song, Lu Bai
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Publication number: 20220190088Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a display substrate, an IC chip, and a circuit board. The display substrate includes a first bonding portion including a first detection pin and a second detection pin, a second bonding portion connected to the first bonding portion and including a first connection pin and second connection pin which are connected by a connection wire included by the circuit board, a first connection line connecting the first detection pin to the first connection pin and including a first crack detection line, and a second connection line connecting the first detection pin to the second connection pin. The IC chip is bonded to the first bonding portion and configured to determine cracks on an edge of the display substrate according to electric signals of the first detection pin and the second detection pin.Type: ApplicationFiled: April 14, 2020Publication date: June 16, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Linhong HAN, Tinghua SHANG, Pengfei YU, Shun ZHANG, Yang ZHOU
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Publication number: 20220189405Abstract: A display substrate, a manufacturing method and a display device are provided. The display substrate includes a scan driving circuit; the scan driving circuit includes a plurality of shift register units, at least one shift register unit includes a signal output line and an output circuit, the output circuit includes an output transistor and an output reset transistor; the signal output line includes a first output line portion extending along the first direction; the first output line portion is coupled to the second electrode of the output transistor or the output reset transistor through a plurality of first or second signal line via holes arranged in a signal line overlap area, and the plurality of first or second signal line via holes are arranged along the first direction.Type: ApplicationFiled: June 4, 2020Publication date: June 16, 2022Inventors: Lu BAI, Xin ZHANG, Pengfei YU
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Publication number: 20220189377Abstract: A display substrate and a display panel are disclosed. The display substrate includes a base substrate having an active area and a peripheral area surrounding the active area; a plurality of sub-pixels, in the active area; a plurality of first pins and a plurality of second pins located in the peripheral area; a plurality of first array test pins located between the plurality of first pins and the plurality of second pins and respectively electrically coupled to a plurality of array test signal lines; and a plurality of second array test pins located between the plurality of first pins and the plurality of second pins and extending in a direction along a boundary of the active area, wherein the plurality of first array test pins are located on at least one side of the plurality of second array test pins in the direction along the boundary of the active area.Type: ApplicationFiled: July 8, 2020Publication date: June 16, 2022Inventors: Yu Wang, Yi Zhang, Tingliang Liu, Chang Luo, Tinghua Shang, Huijuan Yang, Yang Zhou, Pengfei Yu, Shun Zhang, Linhong Han, Meng Zhang, Hao Zhang, Xiaofeng Jiang, Huijun Li, Yupeng He, Xin Zhang
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Patent number: 11341888Abstract: A display panel is provided. A plurality of target sub-pixels of the display panel in a pixel arrangement direction, and located in a first area and adjacent to a second area have a same luminous color. The first area and the second area correspondingly correspond to a light color area and a dark color area in an electrical testing screen. In this way, when an alignment precision inspection technique is performed based on an electrical testing screen, luminous colors of sub-pixels affecting colors of border lines are same. Therefore, the border lines having different colors caused by photoresists having different colors do not occur.Type: GrantFiled: April 25, 2019Date of Patent: May 24, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Pengfei Yu