Patents by Inventor Hyung Yun Oh

Hyung Yun Oh 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: 8512876
    Abstract: An organic EL device is disclosed, which has an organic multilayer between a first electrode and a second electrode, the organic multilayer comprising a hole injection layer formed on the first electrode, and formed of a mixture of at least one selected from organic materials and at least one selected from inorganic materials; a hole transport layer having at least one layer on the hole injection layer; and an emitting layer formed on the hole transport layer.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: August 20, 2013
    Assignee: LG Electronics Inc.
    Inventors: Myung Seop Kim, Hyung Yun Oh, Jae Woo Kyung, Sung Kab Kim, Jae Man Lee, Young Soo Han, Chun Gun Park, Jong Geun Yoon, Sae Tae Park
  • Publication number: 20090115329
    Abstract: An organic EL device is disclosed, which has an organic multilayer between a first electrode and a second electrode, the organic multilayer comprising a hole injection layer formed on the first electrode, and formed of a mixture of at least one selected from organic materials and at least one selected from inorganic materials; a hole transport layer having at least one layer on the hole injection layer; and an emitting layer formed on the hole transport layer.
    Type: Application
    Filed: December 23, 2008
    Publication date: May 7, 2009
    Inventors: Myung Seop KIM, Hyung Yun OH, Jae Woo Kyung, Sung Kab KIM, Jae Man LEE, Young Soo HAN, Chun Gun PARK, Jong Geun YOON, Sae Tae PARK
  • Patent number: 7485377
    Abstract: An organic EL device is disclosed, which has an organic multilayer between a first electrode and a second electrode, the organic multilayer comprising a hole injection layer formed on the first electrode, and formed of a mixture of at least one selected from organic materials and at least one selected from inorganic materials; a hole transport layer having at least one layer on the hole injection layer; and an emitting layer formed on the hole transport layer.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: February 3, 2009
    Assignee: LG Electronics Inc.
    Inventors: Myung Seop Kim, Hyung Yun Oh, Jae Woo Kyung, Sung Kab Kim, Jae Man Lee, Young Soo Han, Chun Gun Park, Jong Geun Yoon, Sae Tae Park
  • Patent number: 7297417
    Abstract: An organic EL device is disclosed, which has an organic multilayer between a first electrode and a second electrode, the organic multilayer comprising a hole injection layer formed on the first electrode, and formed of a mixture of at least one selected from organic materials and at least one selected from inorganic materials; a hole transport layer having at least one layer on the hole injection layer; and an emitting layer formed on the hole transport layer.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: November 20, 2007
    Assignee: LG Electronics Inc.
    Inventors: Myung Seop Kim, Hyung Yun Oh, Jae Woo Kyung, Sung Kab Kim, Jae Man Lee, Young Soo Han, Chun Gun Park, Jong Geun Yoon, Sae Tae Park