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: 20250024724
    Abstract: A display substrate and a display apparatus. In the display substrate, tat least one of the inter-opening region, the first opening peripheral region and the second opening peripheral region includes a dummy 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 dummy sub-pixel; the dummy pixel circuit of the dummy 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 27, 2024
    Publication date: January 16, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijuan YANG, Tingliang LIU, Xiaofeng JIANG, Yang ZHOU, Pengfei YU, Yupeng HE, Gen LI
  • Patent number: 12183230
    Abstract: A display substrate, a detection method, and a display device. The display substrate includes: a substrate, including a display region and a peripheral region surrounding the display region; multiple subpixels, multiple data lines, arranged in the display region; a first control signal line, a second control signal line, a crack detection line, and at least one data detection line, arranged in the peripheral region, and the crack detection line is provided around the display region; multiple display screen detection units, arranged in the peripheral region, configured to transmit, according to a control signal provided by the first control signal line, a detection signal provided by the at least one data detection line to at least one of the multiple data lines; multiple crack detection units, arranged in the peripheral region.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: December 31, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Lu Bai, Pengfei Yu, Yi Zhang, Sen Du, Tingliang Liu, Li Song, Huijuan Yang, Xiaofeng Jiang, Yu Wang
  • Patent number: 12178086
    Abstract: A method, a network device and a terminal device for transmitting information are provided. The method includes: a network device sends downlink control information to a terminal device through control resource areas in a time domain scheduling unit, wherein the control resource areas include multiple types of control resource areas, different types of control resource areas are used for sending different types downlink control information, and a first type of control resource area in the multiple types of control resource areas comprises partial frequency domain resources pre-configured or semi-statically configured on each Orthogonal Frequency Division Multiplexing (OFDM) symbol in the time domain scheduling unit.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: December 24, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Linhong Han, Pengfei Yu, Tingliang Liu, Yi Zhang, Shikai Qin
  • Patent number: 12164339
    Abstract: The display panel (100) includes an active area (R1) and a non-active area (R2), the non-active area (R2) includes a bending area (R211) and a controlling area (R212), the display panel (100) includes a substrate (1), a multilayer insulating layer (2) and a back-film component (3), the multilayer insulating layer (2) has a depression part (21), the thickness of the back-film component (3) that is located within the active area (R1) is less than the thickness of the back-film component (3) that is located within the controlling area (R212), and is greater than the thickness of the back-film component (3) that is located within the bending area (R211), the display panel (100) has a marker (5), the marker (5) is located within the non-active area (R2), and is separately disposed around the depression part, and the marker is suitable for serving as a correction reference of the bending area.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: December 10, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yang Zhou, Linhong Han, Huijuan Yang, Pengfei Yu, Yupeng He, Xin Zhang, Lu Bai, Tinghua Shang
  • Publication number: 20240404463
    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 first control circuit includes a first control switch and a second control switch, an active layer of the first control switch and an active layer of the second control switch are a continuous control semiconductor layer, the control semiconductor layer extends along the first direction.
    Type: Application
    Filed: August 9, 2024
    Publication date: December 5, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengfei YU, Lu BAI, Jie DAI, Linhong HAN
  • Patent number: 12150369
    Abstract: The present disclosure provides a display panel, a display device, a test method, and a crack detection method. The display panel includes: a base substrate including a display area and a peripheral area; a plurality of sub-pixels in the display area; a plurality of data signal lines in the display area and electrically connected to the plurality of sub-pixels; a plurality of signal transmission lines in the peripheral area and electrically connected to the plurality of data signal lines; a plurality of multiplexers in the peripheral area; and a first test circuit on a side of the plurality of multiplexers away from the plurality of sub-pixels. The first test circuit includes a plurality of test components, each of at least a portion of the plurality of test components being electrically connected to at least two multiplexers.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: November 19, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Linhong Han, Meng Zhang, Yi Zhang, Pengfei Yu, Shikai Qin
  • Patent number: 12130667
    Abstract: The present disclosure provides a rollable display device and an intelligent terminal. The rollable display device comprises flexible display screen, lifting mechanism connected to a top end of the flexible display screen, and rollable screen mechanism connected to a bottom end of the flexible display screen, wherein the lifting mechanism is configured to drive the flexible display screen to move up or down; and the rollable screen mechanism is configured to unfold the flexible display screen when the lifting mechanism drives the flexible display screen to move up or roll up the flexible display screen when the lifting mechanism drives the flexible display screen to move down, thereby realizing lifting and rolling of the screen with no limitation to the volume of the display screen, reducing the occupied space of the display screen, overcoming the problem that the traditional display device is not portable and bringing convenience to users.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: October 29, 2024
    Assignee: SHENZHEN SKYWORTH-RGB ELECTRONIC CO., LTD
    Inventors: Yubao Guo, Weixiong Chen, Pengfei Yu, Bosheng Tang, Tianpeng Han
  • Patent number: 12133430
    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: Grant
    Filed: September 11, 2020
    Date of Patent: October 29, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijuan Yang, Tingliang Liu, Xiaofeng Jiang, Yang Zhou, Pengfei Yu, Yupeng He, Gen Li
  • Publication number: 20240334754
    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 orthographic projection of a top of the spacer away from the base substrate on the base substrate is spaced apart from an edge of the orthographic projection of the light emitting portion on the base substrate.
    Type: Application
    Filed: June 12, 2024
    Publication date: October 3, 2024
    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: 20240315078
    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 include 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: May 23, 2024
    Publication date: September 19, 2024
    Inventors: Tinghua SHANG, Yi ZHANG, Haigang QING, Pengfei YU, Lulu YANG
  • Publication number: 20240304150
    Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels, first data lines, and first power signal lines. The sub-pixel includes a light emitting element including a second electrode. The sub-pixel includes a first connecting portion including a first sub-connecting portion and a first block. The second electrode is overlapped with the first data line, the first power signal line and the first connecting portion, the first power signal line and the first data line are located at both sides of the first connecting portion. A ratio of a minimum distance between edges of the first sub-connecting portion and the first data line which are close to each other to a minimum distance between edges of the first block and the first power signal line which are close to each other is in a range from 0.8 to 1.2.
    Type: Application
    Filed: May 17, 2024
    Publication date: September 12, 2024
    Inventors: Tinghua SHANG, Haigang QING, Pengfei YU, Yu WANG, Tingliang LIU, Ling SHI, Yao HUANG
  • Patent number: 12087219
    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 first control circuit includes a first control switch and a second control switch, an active layer of the first control switch and an active layer of the second control switch are a continuous control semiconductor layer, the control semiconductor layer extends along the first direction.
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: September 10, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengfei Yu, Jie Dai, Lu Bai, Linhong Han
  • Patent number: 12089480
    Abstract: A display panel, a method for manufacturing the same, a display device and a method for manufacturing the same are provided. The display panel includes a display region and a peripheral region arranged on a substrate, and further includes multiple active driving circuits and multiple redundant driving circuits. At least one active driving circuit is electrically connected to at least one of multiple pixel units, and each redundant driving circuit includes at least one electrode layer arranged on the substrate. The peripheral region includes a flat region and a curved region, at least part of the redundant driving circuits are located in a flat redundant driving circuit region included in the flat region. The flat redundant driving circuit region includes at least two alignment mark regions. In the alignment mark regions, at least one electrode layer is hollowed out, and/or at least one electrode layer is filled up.
    Type: Grant
    Filed: May 9, 2020
    Date of Patent: September 10, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Lu Bai, Pengfei Yu, Jie Dai, Shun Zhang, Huijuan Yang, Xiaofeng Jiang, Xin Zhang, Meng Zhang, Yi Qu, Mengqi Wang, Hao Zhang, Siyu Wang
  • Patent number: 12073790
    Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels, first data lines, and first power signal lines. The sub-pixel includes a light emitting element including a second electrode. The sub-pixel includes a first connecting portion including a first sub-connecting portion and a first block. The second electrode is overlapped with the first data line, the first power signal line and the first connecting portion, the first power signal line and the first data line are located at both sides of the first connecting portion. A ratio of a minimum distance between edges of the first sub-connecting portion and the first data line which are close to each other to a minimum distance between edges of the first block and the first power signal line which are close to each other is in a range from 0.8 to 1.2.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: August 27, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua Shang, Haigang Qing, Pengfei Yu, Yu Wang, Tingliang Liu, Ling Shi, Yao Huang
  • Publication number: 20240281745
    Abstract: A federated learning method includes: obtaining a target federated sub-model of a target participating node, the target federated sub-model being obtained upon dividing up a federated model, the federated model comprising at least three federated sub-models, and the target federated sub-model comprising a model parameter and a target feature of the target participating node; obtaining a current network delay and preset instances of optimization of the target feature; determining current instances of optimization on the basis of the difference between the current network delay and a preset network delay corresponding to the preset instances of optimization; performing local optimization on the target feature according to the current instances of optimization; and performing encrypted interaction of an optimization result of the target feature with other participating nodes, so as to optimize a model parameter and determine a target model parameter of the target federated sub-model.
    Type: Application
    Filed: August 21, 2023
    Publication date: August 22, 2024
    Applicant: STATE GRID SMART GRID RESEARCH INSTITUTE CO., LTD.
    Inventors: Congcong SHI, Xiuli HUANG, Jiaxuan FEI, Yujia ZHAI, Pengfei YU
  • Patent number: 12063819
    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: Grant
    Filed: April 15, 2021
    Date of Patent: August 13, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua Shang, Lulu Yang, Yang Zhou, Pengfei Yu, Huijuan Yang
  • Publication number: 20240265864
    Abstract: A display substrate and an electronic device are provided. The display substrate includes a base substrate, including a display region and a peripheral region on at least one side of the display region; and a shift register unit and a first clock signal line in the peripheral region of the base substrate, wherein the first clock signal line extends along a first direction on the base substrate, and is connected to a first clock signal terminal to be 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; the output control circuit includes an output control transistor and a first capacitor, and the output circuit includes an output transistor and a second capacitor.
    Type: Application
    Filed: April 17, 2024
    Publication date: August 8, 2024
    Inventors: Pengfei YU, Lu BAI, Jie DAI, Mengqi WANG, Huijun LI, Yupeng HE, Hao ZHANG, Meng ZHANG, Xin ZHANG
  • Patent number: 12046204
    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: Grant
    Filed: August 31, 2020
    Date of Patent: July 23, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua Shang, Yi Zhang, Haigang Qing, Pengfei Yu
  • Publication number: 20240233651
    Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, and 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: March 22, 2024
    Publication date: July 11, 2024
    Inventors: Pengfei YU, Qiang ZHANG, Tinghua SHANG, Lu BAI, Jie DAI, Chenxing WAN, Haigang QING
  • Patent number: D1049714
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: November 5, 2024
    Inventors: Pengfei Yu, Tao Ma, Jin Ye