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).

  • Publication number: 20220399433
    Abstract: Provided is a display substrate, which includes a substrate, a plurality of sub-pixels, a plurality of data lines, a plurality of signal input pads, a data fan-out line layer, and a plurality of resistance compensation units. The substrate includes a display region and a bezel region located region on a periphery of the display region, and the bezel region includes a signal access region located on a side of the display region and a fan-out region located between the display region and the signal access region. The data fan-out line layer and the plurality of resistance compensation units are disposed in the fan-out region, and the data fan-out line layer includes a plurality of data fan-out lines. At least one resistance compensation unit includes a semiconductor structure. At least one data fan-out line is connected in series with and electrically connected to at least one resistance compensation unit.
    Type: Application
    Filed: December 17, 2020
    Publication date: December 15, 2022
    Inventors: Doyoung KIM, Pengfei YU, Yi ZHANG, Yunsheng XIAO, Tingliang LIU
  • Publication number: 20220399416
    Abstract: A display substrate includes a substrate, at least one inorganic film, metal film(s) and organic film(s), the at least one inorganic film is disposed on the substrate; at least one edge portion of the entire at least one inorganic film is step-shaped. The metal film(s) are disposed on a side of the at least one inorganic film facing away from the substrate. A metal film includes a conductive pattern and residual pattern(s), and an orthographic projection of a residual pattern on the substrate is located within an orthographic projection of a step-shaped edge portion of the at least one inorganic film on the substrate. An organic film is disposed on a side of the metal film facing away from the substrate, and an edge portion of the organic film covers the residual pattern of the metal film.
    Type: Application
    Filed: March 8, 2021
    Publication date: December 15, 2022
    Inventors: Linhong HAN, Yi ZHANG, Weiyun HUANG, Yiyang ZHANG, Yue LONG, Youngyik KO, Shikai QIN, Yuqing YANG, Pengfei YU, Yang ZHOU
  • Publication number: 20220384557
    Abstract: A display apparatus and a method for manufacturing the display apparatus are provided. The display apparatus includes: a flexible panel which includes a display region and a non-display region, where the non-display region includes a bending sub-region and a back sub-region connected to the bending sub-region and arranged opposite to the display region, a multiplexer is arranged in the back sub-region; and a shielding electrode layer located on a side of the multiplexer away from the back sub-region, an orthographic projection of the multiplexer onto a plane where the shielding electrode layer is located being within the shielding electrode layer.
    Type: Application
    Filed: February 9, 2021
    Publication date: December 1, 2022
    Inventors: Yu WANG, Linhong HAN, Tingliang LIU, Yi ZHANG, Huijuan YANG, Tinghua SHANG, Yang ZHOU, Pengfei YU, Shun ZHANG, Hao ZHANG, Xiaofeng JIANG, Huijun LI
  • Patent number: 11488383
    Abstract: A video processing method includes: extracting a plurality of video frames from a source video with a first aspect ratio; clipping each of the plurality of video frames multiple times to generate a plurality of candidate clipping boxes with a second aspect ratio; respectively determining scores of the plurality of candidate clipping boxes of each of the plurality of video frames, the scores representing playing effects of the video frames in response to that each of the candidate clipping boxes is taken as a clipping range; selecting a clipping box of each of the video frames from the plurality of candidate clipping boxes based on the scores; and clipping each of the video frames by using the selected clipping box, and generating a target video with the second aspect ratio.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: November 1, 2022
    Assignee: Beijing Xiaomi Pinecone Electronics Co., Ltd.
    Inventors: Jiagao Hu, Changxin Liu, Fei Wang, Pengfei Yu
  • Publication number: 20220343856
    Abstract: 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: Application
    Filed: April 10, 2020
    Publication date: October 27, 2022
    Inventors: Pengfei YU, Lu BAI, Jie DAI, Linhong HAN
  • Publication number: 20220343859
    Abstract: 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: Application
    Filed: July 7, 2022
    Publication date: October 27, 2022
    Inventors: Lu BAI, Xin ZHANG, Pengfei YU
  • Patent number: 11475844
    Abstract: A display substrate includes a scanning driving circuit arranged on a base substrate. The scanning driving circuit includes a plurality of shift register units and a first voltage signal line extending in a first direction. At least one shift register unit includes an output capacitor and a first transistor, a first electrode thereof is coupled to the first voltage signal line, and a second electrode thereof is coupled to an electrode plate of the output capacitor. A maximum distance between an orthogonal projection of the first electrode/second electrode of the first transistor onto the base substrate and an orthogonal projection of the first voltage signal line/the electrode plate of the output capacitor onto the base substrate is smaller than a first/second predetermined distance in a second direction, and the first direction intersects the second direction.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: October 18, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Jie Dai, Pengfei Yu, Huijuan Yang, Lu Bai, Huijun Li, Xiaofeng Jiang
  • Publication number: 20220328570
    Abstract: A display substrate and a display device are provided. The display substrate includes repeating units, each repeating unit includes one first color sub-pixel, one second color sub-pixel pair and one third color sub-pixel, the second color sub-pixel pair includes two second color sub-pixels. In each repeating unit, a distance, along the first direction, between a center of the third color sub-pixel and a center of the second color sub-pixel pair is a first distance; two adjacent repeating units located in a same repeating unit group include a first repeating unit and a second repeating unit, a distance between a center of a second color sub-pixel pair in a third repeating unit adjacent to both the first repeating unit and the second repeating unit and a center of a third color sub-pixel in the first repeating unit is a second distance, and the first distance is different from the second distance.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 13, 2022
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua SHANG, Yi ZHANG, Tingliang LIU, Yang ZHOU, Linhong HAN, Pengfei YU
  • Publication number: 20220328579
    Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate, a pixel driving circuit layer, a first planarization layer, an anode layer, a light emitting functional layer, and a spacer. The first planarization layer includes a first via hole, the anode layer includes a first anode and a second anode, the first anode includes a first main body portion and a first connection portion, the second anode includes a second main body portion and a second connection portion, the spacer is located between the first and second main body portions in adjacent anode group rows. An overlapping area between the spacer and the first via hole is less than 20% of an area of the first via hole.
    Type: Application
    Filed: April 15, 2021
    Publication date: October 13, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua SHANG, Lulu YANG, Yang ZHOU, Pengfei YU, Huijuan YANG
  • Publication number: 20220320232
    Abstract: A display substrate and a display apparatus. In the display substrate, at least one of the inter-opening region, the first opening peripheral region and the second opening peripheral region includes a virtual sub-pixel; the display region surrounds these three regions; the first signal line passes through the inter-opening region, provides a display signal to the pixel array and passes through the virtual sub-pixel the virtual pixel circuit of the virtual sub-pixel includes a compensation capacitor. The first electrode plate of the compensation capacitor is in the same layer as the first signal line and electrically connected with the first signal line; the second electrode plate of the compensation capacitor is in a different layer from and at least partially overlaps with the first electrode plate.
    Type: Application
    Filed: September 11, 2020
    Publication date: October 6, 2022
    Inventors: Huijuan YANG, Tingliang LIU, Xiaofeng JIANG, Yang ZHOU, Pengfei YU, Yupeng HE, Gen LI
  • Publication number: 20220319410
    Abstract: 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: Application
    Filed: April 10, 2020
    Publication date: October 6, 2022
    Inventors: Pengfei YU, Lu BAI, Jie DAI, Mengqi WANG, Huijun LI, Yupeng HE, Hao ZHANG, Meng ZHANG, Xin ZHANG
  • Publication number: 20220320236
    Abstract: 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: Application
    Filed: March 12, 2021
    Publication date: October 6, 2022
    Applicants: 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
  • Publication number: 20220320224
    Abstract: 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: Application
    Filed: September 2, 2020
    Publication date: October 6, 2022
    Applicants: 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
  • Publication number: 20220319434
    Abstract: 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: Application
    Filed: September 30, 2020
    Publication date: October 6, 2022
    Inventors: Pengfei YU, Qiang ZHANG, Tinghua SHANG, Lu BAI, Jie DAI, Chenxing WAN, Haigang QING
  • Publication number: 20220320188
    Abstract: 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: Application
    Filed: September 17, 2020
    Publication date: October 6, 2022
    Inventors: Pengfei YU, Lu BAI, Jie DAI
  • Publication number: 20220320213
    Abstract: 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: Application
    Filed: August 31, 2020
    Publication date: October 6, 2022
    Inventors: Tinghua SHANG, Yi ZHANG, Haigang QING, Pengfei YU, Lulu YANG
  • Publication number: 20220320201
    Abstract: 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: Application
    Filed: July 27, 2020
    Publication date: October 6, 2022
    Inventors: Lu BAI, Li SONG, Chang LUO, Sen DU, Pengfei YU, Jie DAI, Yang ZHOU
  • Publication number: 20220320225
    Abstract: 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: Application
    Filed: August 31, 2020
    Publication date: October 6, 2022
    Applicants: 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
  • Publication number: 20220310023
    Abstract: 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: Application
    Filed: August 31, 2020
    Publication date: September 29, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua SHANG, Yi ZHANG, Haigang QING, Pengfei YU
  • Publication number: 20220310745
    Abstract: 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: Application
    Filed: August 6, 2020
    Publication date: September 29, 2022
    Inventors: Pengfei YU, Haigang Qing, Tinghua SHANG, Jie DAI, Lu BAI, Chenxing WAN, Qiang ZHANG