Patents by Inventor Ii-Ji Lim

Ii-Ji Lim 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).

  • OXYNITRIDE PHOSPHOR POWDER, NITRIDE PHOSPHOR POWDER, AND A PRODUCTION METHOD THEREFOR
    Publication number: 20120187339
    Abstract: The present disclosure relates to a producing method for oxynitride or nitride phosphor powders which can be used in displays such as vacuum fluorescent display (VFD), field emission display (FED) and LED display devices, or in lighting devices such as cold cathode fluorescent lamps (CCFL) and LED lamps, or in light-emitting apparatuses such as back-lights, wherein the producing method for phosphor powders comprises the step of subjecting part or all of a metal oxide to nitriding by calcining in an atmosphere containing nitrogen, using a fine carbon substance.
    Type: Application
    Filed: January 27, 2012
    Publication date: July 26, 2012
    Applicants: DAE JOO ELECTRONIC MATERIALS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Dae Ho YOON, Deok Su Jo, Takaki Masaki, Young Hyun Song, Ii-Ji Lim, Sang-Hyuk Han