Patents by Inventor Hyoung-il Ju

Hyoung-il Ju 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).

  • Electrode of electron gun and electron gun using the same
    Patent number: 6479927
    Abstract: An electrode of an electron gun, and an electron gun for a cathode ray tube are provided. The electron gun includes an outer-rim electrode having a large-diameter electron beam passing hole through which three electron beams pass, and an inner electrode installed inside the outer-rim electrode member, and having three electron beam passing holes disposed in an in-line arrangement and recesses formed at peripheries of the electron beam passing holes, the recesses having an eccentricity distance larger than an eccentricity distance between centers of the three electron beam passing holes.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: November 12, 2002
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Hyoung-il Ju