Patents by Inventor Yudiao CHENG

Yudiao CHENG 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: 20250131886
    Abstract: The present disclosure provides a display substrate including a base substrate, a plurality of data lines, a plurality of multiplexing circuits, a plurality of multiplexing data lines, a plurality of first electrostatic discharge circuits, a plurality of second electrostatic discharge circuits, and a plurality of first signal lines located on the base substrate. The plurality of multiplexing circuits are sequentially arranged along edges of the display region. The plurality of multiplexing circuits are electrically connected with the plurality of multiplexing data lines and the plurality of data lines. The plurality of first electrostatic discharge circuits are electrically connected to the plurality of multiplexing data lines, and the plurality of second electrostatic discharge circuits are electrically connected to the plurality of first signal lines.
    Type: Application
    Filed: August 8, 2023
    Publication date: April 24, 2025
    Inventors: Yanwei LU, Zhuoran YAN, Quan SHI, Yudiao CHENG, Fengli JI
  • Patent number: 12268062
    Abstract: Some embodiments of the disclosure provide a display panel and a display device. The display panel includes: a display area; a winding area surrounded by the display area; a notch area surrounded by the winding area; a plurality of pixel driving circuits located in the display area; a plurality of light-emitting devices located at sides, facing away from a base substrate, of the pixel driving circuits, each pixel driving circuit being electrically connected to one corresponding light-emitting device; an orthographic projection of at least one of the plurality of light-emitting devices on the base substrate overlaps with the winding area, other light-emitting devices are in the display area; each light-emitting device whose orthographic projection on the base substrate overlaps with the winding area is electrically connected to corresponding pixel driving circuit through a first conducting line, and the first conducting line extends from the display area to the winding area.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: April 1, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Youngyik Ko, Benlian Wang, Weiyun Huang, Yue Long, Yudiao Cheng
  • Publication number: 20250107367
    Abstract: A display substrate includes: a substrate, light-emitting devices including first and second light-emitting devices, pixel circuits, data lines including first and second data lines, and control signal lines. The pixel circuits include first pixel circuits coupled to the first light-emitting devices and second pixel circuits coupled to the second light-emitting devices. A first data line includes a transfer signal line, and a first data sub-line and a second data sub-line coupled to the transfer signal line. The first data sub-line is coupled to first pixel circuits. A second data line and the second data sub-line are coupled to second pixel circuits. A first capacitance value of a parasitic capacitor between the first data line and a control signal line and a second capacitance value of a parasitic capacitor between the second data line and the control signal line have a difference less than or equal to 0.15 fF.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 27, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongjun ZHOU, Yudiao CHENG, Fengli JI
  • Patent number: 12262608
    Abstract: Disclosed is a display substrate including a base substrate, which includes first and second display regions, and at least one first data line. The first display region includes first and second sub-display regions located on opposite sides of the second display region along a first direction and a third sub-display region located on at least one side of the second display region along a second direction. The first data line includes a first sub-data line located in the first sub-display region and connected with a pixel circuit of the first sub-display region, a second sub-data line located in the second sub-display region and connected with a pixel circuit of the second sub-display region, and a third sub-data line which is connected with the first and second sub-data lines, located in the third sub-display region, and connected with at least one second pixel circuit of the third sub-display region.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: March 25, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jianchang Cai, Chi Yu, Bo Shi, Yudiao Cheng, Zhi Wang, Benlian Wang
  • Patent number: 12262600
    Abstract: The present application discloses a display panel, a display device and a method for manufacturing a display panel. The display panel includes a first display area, including a plurality of first light emitting units and a first driving layer for driving the plurality of first light emitting units, and a second display area, at least partially surrounded by the first display area, and making ambient light at least partially transmitted. The first driving layer includes a first light shielding pattern, the first light shielding pattern at least partially surrounding the second display area and including a hollow structure which exposes at least part of the second display area.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: March 25, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhi Wang, Yue Long, Weiyun Huang, Yao Huang, Benlian Wang, Lili Du, Yudiao Cheng, Bo Shi
  • Publication number: 20250098422
    Abstract: A display substrate comprises a display area and a bezel area, wherein a side of the display area close to the bezel area forms a first step-shaped display area boundary, the bezel area at least comprises a capacitance area, the capacitance area comprises a plurality of compensation capacitors, and the plurality of compensation capacitors form a second step-shaped capacitance area boundary on a side far away from the display area; the display area boundary comprises a plurality of first steps connected in sequence, the first steps having a first step length and a first step width, and the capacitance area boundary comprises a plurality of second steps connected in sequence.
    Type: Application
    Filed: October 31, 2022
    Publication date: March 20, 2025
    Inventors: Zhuoran YAN, Fengli JI, Hongjun ZHOU, Zhenli ZHOU, Yanwei LU, Yudiao CHENG, Chengjie QIN
  • Publication number: 20250098441
    Abstract: Provided is a display panel, including: a base substrate, a plurality of display sub-pixels, a plurality of power voltage lines, and a plurality of data signal lines. The display sub-pixel includes a display pixel drive circuit connected to the power voltage line and the data signal line. The display pixel drive circuit includes at least a first transistor and a second transistor. Each of the first transistor and the second transistor includes an active layer. The first transistor includes a shield. An orthographic projection of the shield on the base substrate is at least partially overlapped with an orthographic projection of a channel connection region of the active layer of the first transistor on the base substrate. An orthographic projection of the shield and the data signal line is not overlapped with an orthographic projection of the active layer of the second transistor on the base substrate.
    Type: Application
    Filed: May 19, 2023
    Publication date: March 20, 2025
    Inventors: Zhuoran YAN, Yanwei LU, Hongjun ZHOU, Quan SHI, Yudiao CHENG, Chengjie QIN
  • Patent number: 12254794
    Abstract: A display panel and a display device are provided. In the display panel, a first display region includes first light-emitting units, and a second display region includes second light-emitting units, first pixel circuits and second pixel circuits, the first pixel circuit is connected with the first light-emitting unit, and the second pixel circuit is connected with the second light-emitting unit. The first display region includes a first region and a second region on a side of the first region away from the second display region, the second display region includes a third region and a fourth region on a side of the third region close to the first display region, the first light-emitting unit in the first region is connected with the first pixel circuit in the third region, the first light-emitting unit in the second region is connected with the first pixel circuit in the fourth region.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: March 18, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yudiao Cheng, Weiyun Huang, Yuanyou Qiu, Jianchang Cai, Lili Du, Chi Yu
  • Publication number: 20250081759
    Abstract: A display substrate includes a base substrate, a first encapsulation adhesive base substrate, multiple first signal lead lines, multiple test connection traces and multiple test signal access pins. The base substrate at least includes a display area and a peripheral area located on a side of the display area. The first encapsulation adhesive base substrate is located in the peripheral area. The multiple first signal lead lines, the multiple test connection traces, and the multiple test signal access pins are located on a side of the first encapsulation adhesive base substrate away from the display area. At least one first signal lead line is electrically connected with at least one test signal access pin through at least one test connection trace.
    Type: Application
    Filed: June 29, 2022
    Publication date: March 6, 2025
    Inventors: Yanwei LU, Fengli JI, Zhenli ZHOU, Hongjun ZHOU, Chengjie QIN, Yudiao CHENG, Quan SHI
  • Patent number: 12245478
    Abstract: The present disclosure is related to a display panel, a display device and a terminal device. The display panel includes a driving backplate, an interconnection layer and a light-emitting layer. Pixel circuits in a driving region include first and second pixel circuits. The driving backplate has first interconnection holes, and any one of the pixel circuits is connected to one of the first interconnection holes. An interconnection region of the interconnection layer includes two interconnection portions each of which has second interconnection holes. First and second interconnection holes connected to the same lead are located in the same hole row to form a hole group. First and second interconnection holes in one of two adjacent hole groups are located between first and second interconnection holes in the other hole group.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: March 4, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili Du, Yudiao Cheng, Yue Long, Weiyun Huang
  • Publication number: 20250069546
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a base substrate including a first display region and a second display region. Since pixel circuits for driving light-emitting elements in the second display region are only disposed in the first display region but not disposed in the second display region, the light transmittance of the second display region is ensured to be good. Correspondingly, the display panel in the present disclosure has a good display effect.
    Type: Application
    Filed: November 15, 2024
    Publication date: February 27, 2025
    Inventors: Yudiao CHENG, Benlian WANG, Yao HUANG, Weiyun HUANG, Lili DU, Yue LONG
  • Patent number: 12236860
    Abstract: Provided are a display panel and a display device. The display panel includes: a base substrate; light-emitting elements including groups of light-emitting elements, at least one group of light-emitting elements including first-region light-emitting elements and second-region light-emitting elements; pixel circuits including groups of pixel circuits, at least one group of pixel circuits including first-type pixel circuits and second-type pixel circuits, at least one second-type pixel circuit is connected with at least one second-region light-emitting element through a conductive line, first light-emitting elements are connected with first pixel circuits through first conductive lines, in the at least one group of light-emitting elements and the at least one group of pixel circuits, first pixel circuits connected with first light-emitting elements are closer to the second display region than each of second pixel circuits connected with second light-emitting elements.
    Type: Grant
    Filed: October 18, 2023
    Date of Patent: February 25, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yao Huang, Weiyun Huang, Yue Long, Yudiao Cheng
  • Publication number: 20250063910
    Abstract: A display substrate and a display apparatus are provided, including a first side for displaying and a second side opposite the first side, a base substrate, a display area, at least one connection line and at least one transfer electrode. Each of the at least one connection line at least partially extends in a first direction and is connected to first power lines respectively connected to adjacent first pixel unit groups in a first display area in the first direction; and each of the at least one transfer electrode at least partially extends in the first direction and is connected to first signal lines that respectively connect to the adjacent first pixel unit groups in the first display area in the first direction, film layers where at least part of the at least one transfer electrode and each of the at least one connection line are located are different.
    Type: Application
    Filed: November 1, 2024
    Publication date: February 20, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue LONG, Yudiao CHENG, Chao WU, Weiyun HUANG, Xingliang XIAO, Benlian WANG, Yao HUANG
  • Publication number: 20250048828
    Abstract: This disclosure relates to a display panel and a manufacturing method thereof, and a display device. The display panel includes a display area, an opening area and an isolation area located between the display area and the opening area and surrounding the opening area, and includes: a base substrate; a driving circuit layer including a thin film transistor that is formed on the base substrate and located in the display area, the thin film transistor including a gate electrode, and source and drain electrodes; a first isolation column formed on the base substrate and located in the isolation area.
    Type: Application
    Filed: September 10, 2024
    Publication date: February 6, 2025
    Inventors: Weiyun HUANG, Yudiao CHENG, Pinchao GU
  • Publication number: 20250037661
    Abstract: A display panel and a display device are provided. In the display panel, the data line includes a plurality of first-type data lines and a plurality of second-type data lines, each of the plurality of second-type data lines includes a first portion, a second portion, and a third portion, and the first portion and the second portion are connected by the third portion, the first portion and the second portion both extend in the second direction, and the third portion extends in the first direction, the third portion and the second portion are located in different layers, the third portion and the first portion are located in different layers, the first portion is closer to the base substrate than the third portion, and the second portion is closer to the base substrate than the third portion.
    Type: Application
    Filed: October 17, 2024
    Publication date: January 30, 2025
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue LONG, Yao HUANG, Lili DU, Weiyun HUANG, Yuanjie XU, Binyan WANG, Yudiao CHENG
  • Patent number: 12213355
    Abstract: A display panel is described that includes a light-transmitting area, a main display area, a first transition display area, and a first wiring area. The display panel further includes: a plurality of first light-emitting units, a plurality of first pixel driving circuits, a plurality of first signal lines, a plurality of second signal lines, and a plurality of third signal lines. The plurality of first light-emitting units are located in the light-transmitting area; the plurality of first pixel driving circuits are located in the first transition display area; the plurality of first signal lines extend in the second direction and are located in the first transition display area for providing a potential signal to the first pixel driving circuit.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: January 28, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yao Huang, Yudiao Cheng, Cong Liu
  • Patent number: 12190801
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a base substrate including a first display region and a second display region. Since pixel circuits for driving light-emitting elements in the second display region are only disposed in the first display region but not disposed in the second display region, the light transmittance of the second display region is ensured to be good. Correspondingly, the display panel in the present disclosure has a good display effect.
    Type: Grant
    Filed: October 30, 2023
    Date of Patent: January 7, 2025
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yudiao Cheng, Benlian Wang, Yao Huang, Weiyun Huang, Lili Du, Yue Long
  • Patent number: 12183274
    Abstract: The present disclosure provides display substrate and display device, and belongs to the field of display technology. The display substrate of the disclosure has mounting region, first display region adjacent to mounting region, and second display region surrounding first display region and/or mounting region. The display substrate comprises: substrate; driving circuit layer on substrate and comprising pixel driving circuits in first display region and second display region, and arrangement density of pixel driving circuits in second display region is less than that of pixel driving circuits in second display region; and light emitting devices in mounting region, first display region, and second display region, first electrode of each light emitting device being electrically coupled to a corresponding pixel driving circuit, and pixel driving circuit electrically coupled to first electrode of light emitting device in the mounting region being located in first display region.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: December 31, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Yudiao Cheng, Benlian Wang, Meng Li, Weiyun Huang, Yao Huang
  • Publication number: 20240420639
    Abstract: A display substrate includes a first display region and a second display region located at at least one side of the first display region, a light transmittance of the first display region is greater than that of the second display region. The first display region is provided with first light emitting devices, the second display region is provided with a first pixel driving circuits, second pixel driving circuits, and second light emitting devices. The first pixel driving circuit drives the first light emitting device, and the second pixel driving circuit drives the second light emitting device. The second display region further includes initialization signal lines respectively connected with the first pixel driving circuits and the second pixel driving circuits and apply initialization signals thereto. The first pixel driving circuit and the second pixel driving circuit are respectively connected to different initialization signal lines.
    Type: Application
    Filed: June 14, 2022
    Publication date: December 19, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhuoran YAN, Ni YANG, Yuanjie XU, Lili DU, Yudiao CHENG, Qiwei WANG
  • Publication number: 20240423044
    Abstract: A display substrate and a display apparatus are provided. The display substrate includes a first display region and a second display region; the first display region is located at a periphery of the second display region; the first display region includes first light-emitting elements, first pixel circuits, second pixel circuits, and third pixel circuits; the second display region includes second light-emitting elements; the second pixel circuits are connected with the second light-emitting elements; the third pixel circuit is a dummy pixel circuit. The display substrate further includes first data lines and second data lines, the first data lines are configured to be connected with the first pixel circuits, and the second data lines are configured to be connected with at least the second pixel circuits. Part of the third pixel circuits overlap with the second data lines are insulated from the second data lines.
    Type: Application
    Filed: August 27, 2024
    Publication date: December 19, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yudiao CHENG, Binyan WANG, Yue LONG, Weiyun HUANG