Patents by Inventor Bo-Yoon Jang

Bo-Yoon Jang 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).

  • Nitride red phosphors and white light emitting diode using rare-earth-co-doped nitride red phosphors
    Patent number: 8007686
    Abstract: Disclosed are nitride red phosphors and white light emitting diodes using the same. More particularly, the present invention provides a nitride red phosphor with easily controlled composition of phosphor fraction and improved uniformity and color gamut thereof, a method for preparation thereof, a white light emitting diode with excellent color rendition and high light emitting efficiency, and a white light emitting diode package using the same.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: August 30, 2011
    Assignee: Korea Institute of Energy Research
    Inventors: Joo-Seok Park, Bo-Yoon Jang, Soon-Jae Yu, Joon-Soo Kim
  • Nitride Red Phosphors and White Light Emitting Diode Using Rare-Earth-Co-Doped Nitride Red Phosphors
    Publication number: 20100163896
    Abstract: Disclosed are nitride red phosphors and white light emitting diodes using the same. More particularly, the present invention provides a nitride red phosphor with easily controlled composition of phosphor fraction and improved uniformity and color gamut thereof, a method for preparation thereof, a white light emitting diode with excellent color rendition and high light emitting efficiency, and a white light emitting diode package using the same.
    Type: Application
    Filed: December 29, 2008
    Publication date: July 1, 2010
    Applicant: Korea Institute of Energy Research
    Inventors: Joo-Seok Park, Bo-Yoon Jang, Soon-Jae Yu, Joon-Soo Kim