Patents by Inventor Yebyeol Kim

Yebyeol 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).

  • Patent number: 11889746
    Abstract: The present specification relates to a polymer including: a unit of the following Formula 1; and a unit of the following Formula 2, a coating composition including the same, and an organic light emitting device formed by using the same: wherein L1 to L6, a1 to a3, Ar1 to Ar4, R1 to R11, r1 to r5, p, and q are described herein.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: January 30, 2024
    Inventors: Byeong Yun Lim, Jaesoon Bae, Jaechol Lee, Yebyeol Kim, Beomgoo Kang
  • Patent number: 11751470
    Abstract: There are provided a novel compound represented by the following Chemical Formula 1 and an organic light emitting device using the same, wherein m, n, R, R4, R5, L1 and Ar1 to Ar3 are defined therein.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: September 5, 2023
    Inventors: Yongwook Kim, Young Kwang Kim, Beomshin Cho, Jaesoon Bae, Jaechol Lee, Yebyeol Kim
  • Publication number: 20230043088
    Abstract: The present disclosure provides an organic light emitting device comprising a hole injection layer including a cured product of a compound represented by the following Chemical Formula 1, and a hole transport layer including a polymer containing a repeating unit represented by the following Chemical Formula 2: wherein all the variables a10-re described herein.
    Type: Application
    Filed: August 21, 2020
    Publication date: February 9, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Esder Kang, Yeonhui Yi, Sejin Jung, Beomgoo Kang, Min Suk Jung, Jaesoon Bae, Jaechol Lee, Yebyeol Kim, Hyunju Choi
  • Publication number: 20220238808
    Abstract: The present specification relates to a polymer including: a unit of the following Formula 1; and a unit of the following Formula 2, a coating composition including the same, and an organic light emitting device formed by using the same: wherein L1 to L6, a1 to a3, Ar1 to Ar4, R1 to R11, r1 to r5, p, and q are described herein.
    Type: Application
    Filed: June 11, 2020
    Publication date: July 28, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Byeong Yun Lim, Jaesoon Bae, Jaechol Lee, Yebyeol Kim, Beomgoo Kang
  • Publication number: 20210234105
    Abstract: There are provided a novel compound represented by the following Chemical Formula 1 and an organic light emitting device using the same, wherein m, n, R, R4, R5, L1 and Ar1 to Ar3 are defined therein.
    Type: Application
    Filed: September 30, 2019
    Publication date: July 29, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Yongwook Kim, Young Kwang Kim, Beomshin Cho, Jaesoon Bae, Jaechol Lee, Yebyeol Kim