Patents by Inventor Kyu-Ilwan Kwang

Kyu-Ilwan Kwang 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).

  • Organic light emitting diode device and method of manufacturing the same
    Patent number: 8502205
    Abstract: An organic light emitting diode (OLED) device and a method of manufacturing the same, the OLED device including a substrate, a first electrode on the substrate, a buffer layer on the first electrode, an emission layer on the buffer layer, and a second electrode on the emission layer, wherein the buffer layer includes a transparent conductive oxide, and a metal or metal oxide having a work function lower than a work function of the transparent conductive oxide.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: August 6, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joon-Gu Lee, Jong-Hyuk Lee, Won-Jong Kim, Ji-Young Choung, Kyu-Ilwan Kwang, Yong-Tak Kim, Jin-Baek Choi
  • Organic light emitting diode device and method of manufacturing the same
    Publication number: 20110121351
    Abstract: An organic light emitting diode (OLED) device and a method of manufacturing the same, the OLED device including a substrate, a first electrode on the substrate, a buffer layer on the first electrode, an emission layer on the buffer layer, and a second electrode on the emission layer, wherein the buffer layer includes a transparent conductive oxide, and a metal or metal oxide having a work function lower than a work function of the transparent conductive oxide.
    Type: Application
    Filed: October 19, 2010
    Publication date: May 26, 2011
    Inventors: Joon-Gu Lee, Jong-Hyuk Lee, Won-Jong Kim, Ji-Young Choung, Kyu-Ilwan Kwang, Yong-Tak Kim, Jin-Baek Choi