Patents by Inventor Wu Xinguei

Wu Xinguei 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).

  • Low firing temperature thick film dielectric layer for electroluminescent display
    Patent number: 6919126
    Abstract: The present invention is a low firing temperature, composite thick film dielectric layer for an electroluminescent display. The composite thick film dielectric layer comprises; (a) a lower zone layer of a thick film composition comprising; one or more of lead magnesium niobate (PMN), lead magnesium niobate-titanate (PMN-PT), lead titanate, barium titanate and lead oxide; and a glass frit composition comprising lead oxide, boron oxide and silicon dioxide; (b) an upper zone comprising at least one layer of lead zirconate titanate (PZT) and/or barium titanate; and (c) an intermediate composite zone comprising a composite of (a) and (b).
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: July 19, 2005
    Assignee: IFIRE Technology Inc.
    Inventors: Li Wu, Ahn Sung-II, Yang Maizhi, Wu Xinguei, Lee Seong-Eui, Daniel J. Seale, William M. Smy, Yufeng Ye, Zhang Hui