Patents by Inventor Song Won

Song Won 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).

  • Electroluminescent element
    Patent number: 5068157
    Abstract: An electroluminescent element is disclosed in which the phosphor layer is composed of a ZnS phosphor added with the solution of BaTiO.sub.3 and In.sub.2 O.sub.3. The layer produces a strongly electric field, and is capable of having a high luminance under the condition of a low applied voltage.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: November 26, 1991
    Assignee: Samsung Electron Devices Co., Ltd.
    Inventor: Song Won