Patents by Inventor Hyemin CHO

Hyemin CHO 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).

  • Compound for organic electric element, organic electric element comprising the same and electronic device thereof
    Patent number: 11296279
    Abstract: Provided is the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life time of the organic electronic device can be improved.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: April 5, 2022
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Dae Hwan Oh, Jeongkeun Park, Hyemin Cho, Ga-Eun Lee, Daesung Kim, Junghwan Park, Sun-Hee Lee, Sunpil Hwang
  • Biomaterial-based UV coating composition
    Patent number: 11254782
    Abstract: The present invention relates to a UV coating composition, and more particularly, to an environmentally friendly biomaterial-based UV coating composition having physical properties equal or superior to those of conventional petrochemical-based UV coating compositions.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: February 22, 2022
    Assignee: LG Hausys, Ltd.
    Inventors: Ji Yeon Seo, Heon Jo Kim, Jongdae Park, Dong Hyung Park, Samhun Yun, Hyemin Cho
  • COMPOUND FOR ORGANIC ELECTRIC ELEMENT, ORGANIC ELECTRIC ELEMENT COMPRISING THE SAME AND ELECTRONIC DEVICE THEREOF
    Publication number: 20210288262
    Abstract: Provided is the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life time of the organic electronic device can be improved.
    Type: Application
    Filed: July 27, 2017
    Publication date: September 16, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Dae Hwan OH, Jeongkeun PARK, Hyemin CHO, Ga-Eun LEE, Daesung KIM, Junghwan PARK, Sun-Hee LEE, Sunpil HWANG
  • Compound for organic electronic element, and organic electronic element and electronic device using same
    Patent number: 10734588
    Abstract: The present invention provides a compound, and an organic electronic element and an electronic device using the same, the compound capable of improving light-emitting efficiency, lowering drive voltage, and increasing lifespan of an element.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: August 4, 2020
    Assignee: Duk San Neolux Co., Ltd
    Inventors: Jonggwang Park, Ka Young Eom, Hyoung Keun Park, Hyemin Cho, Dae Won Lee, Jung Hwan Park, Yeon Hee Choi, Seung Won Yeo
  • BIOMATERIAL-BASED UV COATING COMPOSITION
    Publication number: 20190382616
    Abstract: The present invention relates to a UV coating composition, and more particularly, to an environmentally friendly biomaterial-based UV coating composition having physical properties equal or superior to those of conventional petrochemical-based UV coating compositions.
    Type: Application
    Filed: April 19, 2018
    Publication date: December 19, 2019
    Inventors: Ji Yeon SEO, Heon Jo KIM, Jongdae PARK, Dong Hyung PARK, Samhun YUN, Hyemin CHO
  • COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, AND ORGANIC ELECTRONIC ELEMENT AND ELECTRONIC DEVICE USING SAME
    Publication number: 20170200903
    Abstract: The present invention provides a compound, and an organic electronic element and an electronic device using the same, the compound capable of improving light-emitting efficiency, lowering drive voltage, and increasing lifespan of an element.
    Type: Application
    Filed: April 14, 2015
    Publication date: July 13, 2017
    Applicant: Duk San Neolux Co., Ltd.
    Inventors: Jonggwang PARK, Ka Young EOM, Hyoung Keun PARK, Hyemin CHO, Dae Won LEE, Jung Hwan PARK, Yeon Hee CHOI, Seung Won YEO