Patents by Inventor Jiachang GU

Jiachang GU 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: 20230337493
    Abstract: A display panel and a display device are provided. The display panel includes a display area and a non-display area at least partially surrounding the display area. The display panel further includes: a first power bus arranged in the display area; a second power bus arranged in the non-display area and electrically connected to the first power bus; and a third power bus arranged in the non-display area. The display area also includes: pixel circuits and light-emitting elements electrically connected to the pixel circuits. The first power bus is connected to the light-emitting elements. The third power bus is connected to the pixel circuits.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Applicant: WUHAN TIANMA MICROELECTRONICS CO., LTD.
    Inventor: Jiachang GU
  • Patent number: 11783772
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate has a display area and a non-display area surrounding the display area. The array substrate includes: pixel circuits arranged in the display area in an array along a first direction and a second direction; a first gate driving circuit in the non-display area including first shift register units; and a second gate driving circuit in the non-display area including a plurality of second shift register units in cascade connection. The first gate driving circuit and the second gate driving circuit are electrically connected to different transistors in the pixel circuits; and an orthographic projection of the first gate driving circuit on a plane of the array substrate and an orthographic projection of the second gate driving circuit on the plane of the array substrate at least partially overlap along the second direction.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: October 10, 2023
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jiachang Gu, Tao Peng
  • Publication number: 20230178704
    Abstract: A display panel and a display apparatus are described. In an embodiment, the display panel includes a display region having a through hole, a first signal line and a first connection line both located in the display region. In an embodiment, the first signal line is interrupted by the through hole. In an embodiment, one end of the first connection line is connected to a first segment of the first signal line, another end of the first connection line is connected to a second segment of the first signal line, and the first and second segments are located two sides of the through hole. In an embodiment, the first connection line includes a first connection segment and a second connection segment that have different extending directions, and at least one of the first connection segment and the second connection segment is in a different layer from the first signal line.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 8, 2023
    Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jiachang Gu, Chujie Yu, Tao Peng, Kang Yang
  • Publication number: 20230141543
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate has a display area and a non-display area surrounding the display area. The array substrate includes: pixel circuits arranged in the display area in an array along a first direction and a second direction; a first gate driving circuit in the non-display area including first shift register units; and a second gate driving circuit in the non-display area including a plurality of second shift register units in cascade connection. The first gate driving circuit and the second gate driving circuit are electrically connected to different transistors in the pixel circuits; and an orthographic projection of the first gate driving circuit on a plane of the array substrate and an orthographic projection of the second gate driving circuit on the plane of the array substrate at least partially overlap along the second direction.
    Type: Application
    Filed: February 22, 2022
    Publication date: May 11, 2023
    Inventors: Jiachang GU, Tao PENG
  • Publication number: 20220302245
    Abstract: Provided is a display panel, including: a substrate; a display region; and a non-display region having a first region and including: first and second power lines; a first conductive block electrically connected to the first power line; and a second conductive block electrically connected to the second power line. The first region and the display region are arranged along a first direction. In the first region, the first conductive block includes first and second portions, and the second conductive block includes third and fourth portions. The first portion and the third portion are located in first conductive layer, and the second portion and the fourth portion are located in second conductive layer. The first portion is spaced from the third portion, the second portion is spaced from the fourth portion, and the fourth portion at least partially overlaps with the first portion along a direction perpendicular to the substrate.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Applicant: WUHAN TIANMA MICROELECTRONICS CO., LTD.
    Inventors: Jiachang Gu, Chujie Yu, Tao Peng
  • Patent number: 11334179
    Abstract: The present disclosure relates to display technology and, particularly, to a display panel and a display device. In the display panel, a bridging connection layer includes multiple bridge electrodes and a touch electrode layer includes multiple first touch electrodes and multiple second touch electrodes. A first electrode unit of each first touch electrodes includes a first electrode subsection. A vertical projection of the first electrode subsection on a plane where the bridging connection layer is located is within a cover of a bridge electrode. In one embodiment, each bridge electrode includes a bridge electrode terminal and a bridge trace, in a second direction where multiple second electrode units of each second touch electrode are arrange, and extension length of the bridge electrode terminal is greater than a width of the bridge trace, and a first corner is formed at a joint of the bridge electrode terminal and the bridge trace.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: May 17, 2022
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yuanbo Li, Jiachang Gu, Xianbao Song, Tao Peng, Pei He
  • Publication number: 20210373691
    Abstract: A display panel includes a display function layer and a touch function layer. The touch function layer includes a bridging connection layer, an insulating layer and a touch electrode layer. The bridging connection layer includes multiple bridge electrodes. The touch electrode layer includes multiple first touch electrodes and multiple second touch electrodes. The first touch electrode includes multiple first electrode units electrically connected to each other. The second touch electrode includes multiple second electrode units electrically connected to each other. In each of the multiple first touch electrodes, any two adjacent first electrode units are electrically connected through the bridge electrode. The first electrode unit includes a first electrode subsection. A vertical projection of the first electrode subsection on a plane where the bridging connection layer is located is within a coverage of the bridge electrode.
    Type: Application
    Filed: August 28, 2020
    Publication date: December 2, 2021
    Inventors: Yuanbo Li, Jiachang Gu, Xianbao Song, Tao Peng, Pei He
  • Patent number: 10847598
    Abstract: An organic light emitting display panel and an organic light emitting display apparatus are provided. The display panel includes an array substrate and a plurality of organic light emitting elements disposed on the array substrate, where the array substrate includes a substrate, and a first metal layer and a second metal layer sequentially disposed toward the plurality of organic light emitting elements; a first display area, a second display area, and a first bezel area, where, in a first direction, a number of organic light emitting elements in a row of organic light emitting elements in the first display area is smaller than a number of organic light emitting elements in a row of organic light emitting elements in the second display area, and the first bezel area is disposed adjacent to the first display area in the first direction; and a plurality of gate signal lines.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: November 24, 2020
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Jiachang Gu
  • Patent number: 10756159
    Abstract: Display panel and display device are provided. The display panel includes a notch region, a display region, a frame region surrounding the display region, and a first base plate. The frame region includes a first frame region and a second frame region opposite to each other. A portion of the first frame region recesses toward the display region to form the notch region. The first base plate includes an anode power bus, an anode power connection part, and anode power connection wires. The anode power wires are disposed in the display region and include first anode power wires extending along a second direction perpendicular to the first direction. At least a portion of the anode power bus is disposed in the first frame region. The anode power connection part includes a first anode power connection part to connect the anode power bus to the first anode power wires.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: August 25, 2020
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jiachang Gu, Shanfu Yuan, Tao Peng
  • Publication number: 20200212156
    Abstract: Display panel and display device are provided. The display panel includes a notch region, a display region, a frame region surrounding the display region, and a first base plate. The frame region includes a first frame region and a second frame region opposite to each other. A portion of the first frame region recesses toward the display region to form the notch region. The first base plate includes an anode power bus, an anode power connection part, and anode power connection wires. The anode power wires are disposed in the display region and include first anode power wires extending along a second direction perpendicular to the first direction. At least a portion of the anode power bus is disposed in the first frame region. The anode power connection part includes a first anode power connection part to connect the anode power bus to the first anode power wires.
    Type: Application
    Filed: July 3, 2019
    Publication date: July 2, 2020
    Inventors: Jiachang GU, Shanfu YUAN, Tao PENG
  • Publication number: 20200006457
    Abstract: An organic light emitting display panel and an organic light emitting display apparatus are provided. The display panel includes an array substrate and a plurality of organic light emitting elements disposed on the array substrate, where the array substrate includes a substrate, and a first metal layer and a second metal layer sequentially disposed toward the plurality of organic light emitting elements; a first display area, a second display area, and a first bezel area, where, in a first direction, a number of organic light emitting elements in a row of organic light emitting elements in the first display area is smaller than a number of organic light emitting elements in a row of organic light emitting elements in the second display area, and the first bezel area is disposed adjacent to the first display area in the first direction; and a plurality of gate signal lines.
    Type: Application
    Filed: December 24, 2018
    Publication date: January 2, 2020
    Inventor: Jiachang GU