Patents by Inventor Shitai LI

Shitai LI 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: 20230023458
    Abstract: A mask and a mask assembly, which relates to the display field. The mask includes an opening region, a welding region and a blocking groove, the welding region is arranged around the opening region, and the blocking groove is arranged outside the opening area. When the mask is welded to a frame, wrinkles will appear on the mask. In embodiments of the present application, by providing a blocking groove on the mask, the spreading of the wrinkles may be blocked by the blocking groove, thereby preventing the wrinkles from extending into the opening region of the mask, avoiding the position shifting of the opening region, and improving the evaporation accuracy.
    Type: Application
    Filed: September 30, 2022
    Publication date: January 26, 2023
    Inventors: Enxia WANG, Lin SUN, Shitai LI, Hui LI, Weili LI, Mingxing LIU, Shuaiyan GAN