Patents by Inventor Jung Sik JOO

Jung Sik JOO 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).

  • Wavelength conversion glass, method for preparing same, and light emitting device comprising same
    Patent number: 10399891
    Abstract: The present disclosure provides a wavelength conversion glass, a method for manufacturing the wavelength conversion glass, and a light emitting device including the wavelength conversion glass. The wavelength conversion glass includes a TeO2—B2O3—ZnO—BaO-based transparent glass containing tellurium dioxide (TeO2), boric oxide (B2O3), zinc oxide (ZnO), and barium oxide (BaO); and phosphor micro-particles dispersed in the transparent glass.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: September 3, 2019
    Assignee: Pukyong National University Industry-University Cooperation Foundation
    Inventors: Hyun Kyoung Yang, Jung Sik Joo
  • WAVELENGTH CONVERSION GLASS, METHOD FOR PREPARING SAME, AND LIGHT EMITTING DEVICE COMPRISING SAME
    Publication number: 20180370847
    Abstract: The present disclosure provides a wavelength conversion glass, a method for manufacturing the wavelength conversion glass, and a light emitting device including the wavelength conversion glass. The wavelength conversion glass includes a TeO2—B2O3—ZnO—BaO-based transparent glass containing tellurium dioxide (TeO2), boric oxide (B2O3), zinc oxide (ZnO), and barium oxide (BaO); and phosphor micro-particles dispersed in the transparent glass.
    Type: Application
    Filed: January 5, 2017
    Publication date: December 27, 2018
    Inventors: Hyun Kyoung YANG, Jung Sik JOO