Patents by Inventor Gi-Back LEE

Gi-Back 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).

  • Publication number: 20240130227
    Abstract: The present invention provides a heterocyclic compound represented by Formula 1 and an organic light-emitting device comprising the same.
    Type: Application
    Filed: November 16, 2021
    Publication date: April 18, 2024
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Dong Jin LEE, Gi Back LEE, Won Jang JEONG, Dong Jun KIM
  • Publication number: 20240107788
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same.
    Type: Application
    Filed: June 3, 2021
    Publication date: March 28, 2024
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Seong-Jong PARK, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20240083887
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same.
    Type: Application
    Filed: June 3, 2021
    Publication date: March 14, 2024
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Ji-Un KIM, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20240025872
    Abstract: The present specification relates to a compound of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: October 22, 2021
    Publication date: January 25, 2024
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Ji-Un KIM, Gi-Back LEE, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20230399329
    Abstract: The present invention provides a heterocyclic compound represented by Formula 1, an organic light-emitting device comprising the same, and a composition for forming an organic layer.
    Type: Application
    Filed: November 12, 2021
    Publication date: December 14, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Yu Jin HEO, Won Jang JEONG, Gi Back LEE, Dong Jun KIM
  • Publication number: 20230391740
    Abstract: The present specification relates to a compound of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 7, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Yu-Jin HEO, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20230357127
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same.
    Type: Application
    Filed: February 19, 2021
    Publication date: November 9, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Nam-Jin LEE, Won-Jang JEONG, Dong-Jun KIM, Hyo-Kyun HAM
  • Publication number: 20230331689
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: August 12, 2021
    Publication date: October 19, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Nam-Jin LEE, Gi-Back LEE, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20230320201
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: September 6, 2021
    Publication date: October 5, 2023
    Applicant: LT MATERIALS CO.,LTD.
    Inventors: Gi-Back LEE, Dong-Jin LEE, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20230284527
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: July 29, 2021
    Publication date: September 7, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Hyun-Ju LA, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20230263053
    Abstract: The present application provides a heterocyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the heterocyclic compound in an organic material layer.
    Type: Application
    Filed: March 10, 2021
    Publication date: August 17, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Hyun-Ju LA, Won-Jang JEONG, Dong-Jun KIM, Hyo-Kyun HAM
  • Publication number: 20230056059
    Abstract: The present application provides a heterocyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device comprising the heterocyclic compound in an organic material layer.
    Type: Application
    Filed: December 9, 2020
    Publication date: February 23, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Hyun-Ju LA, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20230051481
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: November 27, 2020
    Publication date: February 16, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Ji-Un KIM, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20230023238
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: November 27, 2020
    Publication date: January 26, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Nam-Jin LEE, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20230002350
    Abstract: The present application provides a heterocyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device comprising the heterocyclic compound in an organic material layer.
    Type: Application
    Filed: November 16, 2020
    Publication date: January 5, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Seong-Jong PARK, Won-Jang JEONG, Dong-Jun KIM
  • Publication number: 20220289693
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: October 20, 2020
    Publication date: September 15, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Yu-Jin HEO, Won-Jang JEONG
  • Patent number: 11434228
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: September 6, 2022
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Gi-Back Lee, Seong-Jong Park, Ji-Young Kim, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee
  • Publication number: 20220267251
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: October 20, 2020
    Publication date: August 25, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Ji-Yeon PARK, Won-Jang JEONG
  • Publication number: 20220267319
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: June 19, 2020
    Publication date: August 25, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Gi-Back LEE, Hyun-Ju LA, Won-Jang JEONG
  • Publication number: 20220165962
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: July 28, 2020
    Publication date: May 26, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hye-Su JI, Gi-Back LEE, Won-Jang JEONG, Dong-Jun KIM