Patents by Inventor Ok Geun Kim

Ok Geun Kim 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 device and lighting apparatus comprising the same
    Patent number: 9887376
    Abstract: The present specification relates to an organic light emitting device and a lighting apparatus comprising the same. An organic light emitting device according to an exemplary embodiment of the present specification is an organic light emitting device comprising a first electrode, a second electrode, and one or more organic material layers provided between the first electrode and the second electrode, and is characterized in that at least one layer of the organic material layers is a light emission layer comprising a first light emission material and a second light emission material, and a maximum light emission peak wavelength ?max of the second light emission material has a gap of 40 to 80 nm compared to a maximum light emission peak wavelength ?max of the first light emission material.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: February 6, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Min Choon Park, Jaein Lee, Jeamin Moon, Jina You, Ok Geun Kim
  • ORGANIC LIGHT EMITTING DEVICE AND LIGHTING APPARATUS COMPRISING THE SAME
    Publication number: 20160329514
    Abstract: The present specification relates to an organic light emitting device and a lighting apparatus comprising the same. An organic light emitting device according to an exemplary embodiment of the present specification is an organic light emitting device comprising a first electrode, a second electrode, and one or more organic material layers provided between the first electrode and the second electrode, and is characterized in that at least one layer of the organic material layers is a light emission layer comprising a first light emission material and a second light emission material, and a maximum light emission peak wavelength ?max of the second light emission material has a gap of 40 to 80 nm compared to a maximum light emission peak wavelength ?max of the first light emission material.
    Type: Application
    Filed: January 9, 2015
    Publication date: November 10, 2016
    Inventors: Min Choon Park, Jaein Lee, Jeamin Moon, Jina You, Ok Geun Kim