Patents by Inventor Dongyoon Khim

Dongyoon Khim 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).

  • Publication number: 20240141107
    Abstract: The present specification relates to a polymer comprising a unit represented by Chemical Formula 2, and an end group represented by Chemical Formula 5, and an organic light emitting device using the same: wherein all the variables are described herein.
    Type: Application
    Filed: September 1, 2021
    Publication date: May 2, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hoon Kim, Jaechol Lee, Yu Jin Woo, Sungkyoung Kang, Seung Jun Yoo, Dongyoon Khim
  • Publication number: 20230340185
    Abstract: The present specification relates to a polymer including a unit represented by Chemical Formula 1, a coating composition including the same, and an organic light emitting device formed using the same.
    Type: Application
    Filed: August 17, 2021
    Publication date: October 26, 2023
    Applicant: LG Chem, Ltd
    Inventors: Juhwan Kim, Jaesoon Bae, Jaechol Lee, Yu Jin Woo, Sejin Jung, Ji Hoon Kim, Dongyoon Khim
  • Publication number: 20230209986
    Abstract: The present disclosure provides a novel material for an organic light emitting device, and an organic light emitting device using same, the novel material being usable both in an organic light emitting device and in a solution process. The present disclosure also provides an organic light emitting device comprising a polymer containing a repeating unit represented by the following Chemical Formula 1, and an ionic compound containing an anionic group represented by the following Chemical Formula 2 in a hole transporting layer: wherein all the variables are described herein.
    Type: Application
    Filed: July 27, 2021
    Publication date: June 29, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Juhwan Kim, Jaechol Lee, Sejin Jung, Ji Hoon Kim, Dongyoon Khim, Jaesoon Bae, Jiyoung Lee, Ho Gyu Lee, Seog Jae Seo
  • Publication number: 20230087796
    Abstract: The present specification relates to a polymer and an organic light emitting device using the same, wherein the polymer is represented by the following Chemical Formula 1: E1-[A]a—[B]b—[C]c-E2??[Chemical Formula 1] Wherein A, B, C, E1, E2, a, b and c are described herein.
    Type: Application
    Filed: January 12, 2021
    Publication date: March 23, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hoon Kim, Jaesoon Bae, Jaechol Lee, Juhwan Kim, Dongyoon Khim, Min Suk Jung
  • Publication number: 20220085295
    Abstract: The present disclosure provides a novel heterocyclic compound represented by the following Chemical Formula 1 and an organic light emitting device comprising the same: wherein R1, R2, L, X, Z1, Z2, L1, L2, and Ar1 to Ar4 are described herein.
    Type: Application
    Filed: February 24, 2020
    Publication date: March 17, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Yongwook Kim, Jaesoon Bae, Jaechol Lee, Young Kwang Kim, Juhwan Kim, Dongyoon Khim, Beomshin Cho