Patents by Inventor Weiqin Hu

Weiqin Hu 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).

  • Substrate grinding device
    Patent number: 10220483
    Abstract: The present application has disclosed a substrate grinding device, which includes a carrying platform, a lifting platform and a grinding head, the lifting platform is located above the carrying platform and configured to be movable in a direction perpendicular to an upper surface of the carrying platform with respect to the carrying platform upwardly or downwardly; and the grinding head is mounted to the lifting platform and configured to grind a grind region of a substrate to be ground disposed on the carrying platform, the grind region being a region of the substrate where there is a partial scratch.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: March 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Weiqin Hu, Changxu Chen
  • SUBSTRATE GRINDING DEVICE
    Publication number: 20180056471
    Abstract: The present application has disclosed a substrate grinding device, which includes a carrying platform, a lifting platform and a grinding head, the lifting platform is located above the carrying platform and configured to be movable in a direction perpendicular to an upper surface of the carrying platform with respect to the carrying platform upwardly or downwardly; and the grinding head is mounted to the lifting platform and configured to grind a grind region of a substrate to be ground disposed on the carrying platform, the grind region being a region of the substrate where there is a partial scratch.
    Type: Application
    Filed: May 13, 2016
    Publication date: March 1, 2018
    Inventors: Weiqin Hu, Changxu Chen