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: 20220319410Abstract: 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, the shift register unit includes an input circuit, an output circuit, a first control circuit, a second control circuit, and an output control circuit; and an orthographic projection of the intermediate transfer electrode on the base substrate is between a whole of an orthographic projection of the active layer of the first control transistor on the base substrate and an orthographic projection of the second control transistor on the base substrate and orthographic projections of the active layers of the first noise reduction transistor and the second noise reduction transistor on the base substrate.Type: ApplicationFiled: April 10, 2020Publication date: October 6, 2022Inventors: Pengfei YU, Lu BAI, Jie DAI, Mengqi WANG, Huijun LI, Yupeng HE, Hao ZHANG, Meng ZHANG, Xin ZHANG
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Publication number: 20220320236Abstract: A display substrate and a manufacture method thereof, and a display device are provided. The display substrate includes a display region and a peripheral region, the peripheral region includes a first scan driving circuit and a second scan driving circuit on a first side of the display region, the peripheral region further includes a binding region on a second side of the display region, the peripheral region includes an organic insulation layer, the organic insulation layer at least partially covers the first scan driving circuit and the second scan driving circuit, and includes a first groove that is in a strip shape and extends substantially along a first direction to expose a portion between the first scan driving circuit and the second scan driving circuit, and the first groove also extends from the first side to the second side and extends substantially along a second direction on the second side.Type: ApplicationFiled: March 12, 2021Publication date: October 6, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie DAI, Pengfei YU, Lu BAI, Xiaofeng JIANG, Hao ZHANG, Siyu WANG, Huijuan YANG, Xin ZHANG
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Publication number: 20220320224Abstract: A display substrate, a method for manufacturing the display substrate and a display device are provided. The display substrate includes a display region and a non-display region surrounding the display region. The display substrate further includes: an organic functional layer including a first portion located in the display region and a second portion located in the non-display region. The second portion is provided with at least one isolation groove, and is partitioned into at least two separate sub-portions by the at least one isolation groove, and the at least two sub-portions are arranged sequentially along a first direction from the display region to a boundary of the display substrate.Type: ApplicationFiled: September 2, 2020Publication date: October 6, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie DAI, Pengfei YU, Siyu WANG, Shun ZHANG, Yi ZHANG, Tingliang LIU, Sen DU, Li SONG
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Publication number: 20220319434Abstract: 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: ApplicationFiled: September 30, 2020Publication date: October 6, 2022Inventors: Pengfei YU, Qiang ZHANG, Tinghua SHANG, Lu BAI, Jie DAI, Chenxing WAN, Haigang QING
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Publication number: 20220320188Abstract: Embodiments of the present disclosure provide a display panel, including: a display substrate, wherein the display substrate includes a display area and a bezel area arranged around a periphery of the display area, the bezel area including a first area arranged around the periphery of the display area, and a second area arranged around a periphery of the first area; and the display substrate further includes a plurality of electrical functional layers located at different levels respectively and at least part of film layers therein being partially superposed; wherein at least part of the electrical functional layers are distributed in the display area, and at least part of the electrical functional layers are distributed in the first area and the second area, the first area having a higher light transmittance than the second area and the display area.Type: ApplicationFiled: September 17, 2020Publication date: October 6, 2022Inventors: Pengfei YU, Lu BAI, Jie DAI
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Publication number: 20220320213Abstract: Embodiments of the present disclosure provide a display substrate and a display apparatus. The display substrate comprises: multiple repetition units, where at least one repetition unit includes multiple subpixels including first subpixels and second subpixels. In the first subpixel, an orthographic projection of an anode adapter portion on a base substrate does not overlap an orthographic projection of a drive active layer on the base substrate, and an orthographic projection of a main body portion on the base substrate does not overlap the orthographic projection of the anode adapter portion on the base substrate. In the second subpixel, an orthographic projection of an anode adapter portion on the base substrate overlaps an orthographic projection of a drive active layer on the base substrate, and an orthographic projection of a main body portion on the base substrate overlaps the orthographic projection of the anode adapter portion on the base substrate.Type: ApplicationFiled: August 31, 2020Publication date: October 6, 2022Inventors: Tinghua SHANG, Yi ZHANG, Haigang QING, Pengfei YU, Lulu YANG
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Publication number: 20220320201Abstract: A first planarization layer, an anode lap joint later, a pixel defining layer are between a first dam and a display area; the anode lap joint layer includes a main body portion and sharp angle portions; the sharp angle portion includes a first side edge close to the display area; the pixel defining layer wraps the anode lap joint layer and has a first groove extending from one to the other sharp angle portion, at a side of the sharp angle portion away from the main body portion and at a side of the sharp angle portion close to the display area. An edge of the first groove adjacent to the first side edge is a second side edge; and an orthographic projection of the second side edge on a base substrate is in an orthographic projection of a third groove of the first planarization layer on the base substrate.Type: ApplicationFiled: July 27, 2020Publication date: October 6, 2022Inventors: Lu BAI, Li SONG, Chang LUO, Sen DU, Pengfei YU, Jie DAI, Yang ZHOU
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Publication number: 20220320225Abstract: A display substrate and a method for manufacturing the same, and a display device. Each sub-pixel in the display substrate includes a power signal line pattern. The power signal line pattern includes a first power line portion and a second power line portion; a main body portion of the second power line portion and the first power line portion are arranged in a first direction and are spaced apart from each other; a first end portion of the second power line portion is respectively coupled with one end of the main body portion and the first power line portion; the second end portion is respectively coupled with the other end of the main body portion and the first power line portion; an aperture is defined between the first power line portion and the second power line portion.Type: ApplicationFiled: August 31, 2020Publication date: October 6, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pengfei YU, Haigang QING, Tinghua SHANG, Jie DAI, Lu BAI, Qiang ZHANG, Chenxing WAN, Yang ZHOU
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Publication number: 20220310023Abstract: In a display substrate, each of the first sub-pixel and the second sub-pixel includes a power signal line pattern which includes a power main body which includes a first portion and a second portion electrically connected; in the first sub-pixel, an orthographic projection of the first portion/second portion on the substrate overlaps/does not overlap an orthographic projection of a data line main body of the data line pattern in an adjacent sub-pixel along the first direction on the substrate; in the second sub-pixel, an orthographic projection of a data line main body of a second data line pattern on the substrate overlaps the orthographic projection of the first portion in an adjacent sub-pixel along the first direction on the substrate, and does not overlap the orthographic projection of the second portion in the adjacent sub-pixel along the first direction on the substrate.Type: ApplicationFiled: August 31, 2020Publication date: September 29, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tinghua SHANG, Yi ZHANG, Haigang QING, Pengfei YU
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Publication number: 20220310745Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a substrate; a first electrode; a second electrode; an organic light-emitting functional layer; a line scanning drive circuit located in a surrounding area; a first flat layer; a fixed potential signal line located in the surrounding area, wherein the fixed potential signal line includes a first and a second conductive parts; an overlapping area is formed between an orthographic projection of the second conductive part on the substrate and an orthographic projection of the line scanning drive circuit on the substrate; the second conductive part includes a plurality of first through holes; and a conductive connection layer; and the conductive connection layer and the second conductive part at least are in direct contact in the overlapping area between the second conductive part and the line scanning drive circuit.Type: ApplicationFiled: August 6, 2020Publication date: September 29, 2022Inventors: Pengfei YU, Haigang Qing, Tinghua SHANG, Jie DAI, Lu BAI, Chenxing WAN, Qiang ZHANG
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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