Patents by Inventor Hakyoung Lee

Hakyoung Lee 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: 9780314
    Abstract: The present invention provides a novel compound capable of improving light emitting efficiency, stability, and lifespan of the element, an organic element using the same, and an electric device for the same.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: October 3, 2017
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jihun Byun, Yeonhee Choi, Kayoung Eom, Hyeryeong Kim, Yuri Kim, Junghwan Park, Hakyoung Lee
  • Patent number: 9496520
    Abstract: An organic electronic element includes a first electrode, a second electrode, one or more organic layers formed between the first electrode and the second electrode, and a light efficiency improving layer formed on at least one of an upper side and a lower side of the first electrode and the second electrode, opposite to the side on which the organic layers are formed, wherein the light efficiency improving layer includes a compound represented by Chemical Formula 1. An electronic device includes a display device including the organic electronic element and a controller for driving the display device.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: November 15, 2016
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Dongha Kim, Sunhee Lee, Seongje Park, Sunpil Hwang, Seungwon Yeo, Hakyoung Lee, Soungyun Mun, Bumsung Lee, Junghwan Park
  • Publication number: 20160020408
    Abstract: The present invention provides a novel compound capable of improving light emitting efficiency, stability, and lifespan of the element, an organic element using the same, and an electric device for the same.
    Type: Application
    Filed: February 27, 2014
    Publication date: January 21, 2016
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Jihun BYUN, Yeonhee CHOI, Kayoung EOM, Hyeryeong KIM, Yuri KIM, Junghwan PARK, Hakyoung LEE
  • Publication number: 20150069350
    Abstract: An organic electronic element includes a first electrode, a second electrode, one or more organic layers formed between the first electrode and the second electrode, and a light efficiency improving layer formed on at least one of an upper side and a lower side of the first electrode and the second electrode, opposite to the side on which the organic layers are formed, wherein the light efficiency improving layer includes a compound represented by Chemical Formula 1. An electronic device includes a display device including the organic electronic element and a controller for driving the display device.
    Type: Application
    Filed: February 27, 2013
    Publication date: March 12, 2015
    Inventors: Dongha Kim, Sunhee Lee, Seongje Park, Sunpil Hwang, Seungwon Yeo, Hakyoung Lee, Soungyun Mun, Bumsung Lee, Junghwan Park