Patents by Inventor Guoyu Qiao

Guoyu Qiao 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).

  • Angle adjustment tool, angle adjustment system for liquid crystal panel and line defect analysis method
    Patent number: 10642170
    Abstract: An angle adjustment tool, an angle adjustment system for a liquid crystal panel and a corresponding line defect analysis method are disclosed. The angle adjustment tool includes: a base; a first toothed member and a second toothed member; a rotating scale; and an angle indicator. The first toothed member includes a first toothed portion. A first end of the second toothed member has a second toothed portion and engages with the first toothed portion of the first toothed member, and a second end of the second toothed member is connected to the rotating scale; the second toothed member is pivotable about a central pivot axis of the second toothed portion. A pitch circle diameter of the second toothed portion is n times a pitch circle diameter of the first toothed portion, where n is a positive integer greater than or equal to 2.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: May 5, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhe Wang, Yuanchao Zhu, Guoyu Qiao, Fei Ma, Chen Qi
  • ANGLE ADJUSTMENT TOOL, ANGLE ADJUSTMENT SYSTEM FOR LIQUID CRYSTAL PANEL AND LINE DEFECT ANALYSIS METHOD
    Publication number: 20190361364
    Abstract: An angle adjustment tool, an angle adjustment system for a liquid crystal panel and a corresponding line defect analysis method are disclosed. The angle adjustment tool includes: a base; a first toothed member and a second toothed member; a rotating scale; and an angle indicator. The first toothed member includes a first toothed portion. A first end of the second toothed member has a second toothed portion and engages with the first toothed portion of the first toothed member, and a second end of the second toothed member is connected to the rotating scale; the second toothed member is pivotable about a central pivot axis of the second toothed portion. A pitch circle diameter of the second toothed portion is n times a pitch circle diameter of the first toothed portion, where n is a positive integer greater than or equal to 2.
    Type: Application
    Filed: July 17, 2017
    Publication date: November 28, 2019
    Inventors: Zhe Wang, Yuanchao Zhu, Guoyu Qiao, Fei Ma, Chen Qi