Patents Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY GO., LTD.
  • Patent number: 11575102
    Abstract: A display substrate and a preparation method thereof, and a display device are provided. The display substrate includes a display region and an opening region, the display region surrounds the opening region, a first barrier wall is between the display region and the opening region, and the first barrier wall surrounds the opening region; the first barrier wall includes a first metal layer structure, and at least one side surface, surrounding the opening region, of the first metal layer structure includes a recess.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: February 7, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY GO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weiyun Huang, Young Yik Ko, Sanghun Kang, Wenbo Hu