Patents by Inventor Kyu-Hawn Hwang

Kyu-Hawn Hwang 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).

  • Patent number: 8383431
    Abstract: An organic light emitting diode (OLED) including: a substrate; a reflection layer on the substrate and including metal; a first electrode on the reflection layer and including a light transparent aluminum zinc oxide (AZO); an organic layer on the first electrode and including an emitting layer; and a second electrode on the organic layer and including a semi-transparent reflection layer.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: February 26, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-Jong Kim, Chang-Ho Lee, Jong-Hyuk Lee, Young-Woo Song, Yong-Tak Kim, Jin-Baek Choi, Joon-Gu Lee, Se-Jin Cho, Hee-Joo Ko, Il-Soo Oh, Hye-Lim Lee, Kyu-Hawn Hwang
  • Publication number: 20100207149
    Abstract: An organic light emitting diode (OLED) including: a substrate; a reflection layer on the substrate and including metal; a first electrode on the reflection layer and including a light transparent aluminum zinc oxide (AZO); an organic layer on the first electrode and including an emitting layer; and a second electrode on the organic layer and including a semi-permeable reflection layer.
    Type: Application
    Filed: February 8, 2010
    Publication date: August 19, 2010
    Inventors: Won-Jong Kim, Chang-Ho Lee, Jong-Hyuk Lee, Young-Woo Song, Yong-Tak Kim, Jin-Baek Choi, Joon-Gu Lee, Se-Jin Cho, Hee-Joo Ko, Il-Soo Oh, Hye-Lim Lee, Kyu-Hawn Hwang