Patents by Inventor Won-jang Jeong

Won-jang Jeong 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).

  • HETEROCYCLIC COMPOUND, ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME, AND COMPOSITION FOR ORGANIC LAYER
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    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
  • HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20240092776
    Abstract: Disclosed (or Provided) are a heterocyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: June 22, 2023
    Publication date: March 21, 2024
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hyung-Jin LEE, Won-Jang JEONG, Dong-Jun KIM, Dae-Hyuk CHOI
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    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
  • Compound, organic optoelectronic diode, and display device
    Patent number: 11910712
    Abstract: The present application relates to a compound represented by Chemical Formula 1, an organic optoelectronic diode and a display device.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: February 20, 2024
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Hye-Su Ji, Seong-Jong Park, Won-Jang Jeong
  • Heterocyclic compound and organic light emitting device comprising same
    Patent number: 11891361
    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: December 26, 2018
    Date of Patent: February 6, 2024
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Hyun-Ju La, Seong-Jong Park, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi, Joo-Dong Lee
  • COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    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
  • HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME, MANUFACTURING METHOD THEREFOR, AND COMPOSITION FOR ORGANIC LAYER
    Publication number: 20240023432
    Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light emitting device comprising the same, a manufacturing method thereof, and a composition for an organic layer.
    Type: Application
    Filed: November 5, 2021
    Publication date: January 18, 2024
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Seong Jong PARK, Nam Jin LEE, Won Jang JEONG, Dong Jun KIM
  • HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME, MANUFACTURING METHOD THEREFOR, AND COMPOSITION FOR ORGANIC LAYER
    Publication number: 20240008360
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a method for manufacturing the same, and a composition for an organic material layer.
    Type: Application
    Filed: March 15, 2022
    Publication date: January 4, 2024
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Nam Jin LEE, GWANG IL DONG, Won Jang JEONG, Dong Jun KIM
  • HETEROCYCLIC COMPOUND, ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING SAME, AND COMPOSITION FOR ORGANIC MATERIAL LAYER
    Publication number: 20230406862
    Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light-emitting device comprising the same, and a composition for an organic layer.
    Type: Application
    Filed: November 12, 2021
    Publication date: December 21, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Nam Jin LEE, Won Jang JEONG, Yu Jin HEO, Dong Jun KIM
  • HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME, AND COMPOSITION FOR FORMING ORGANIC LAYER
    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
  • COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    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
  • Hetero-cyclic compound and organic light emitting device using the same
    Patent number: 11812623
    Abstract: The present application provides a hetero-cyclic 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 hetero-cyclic compound in an organic material layer.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: November 7, 2023
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Ji-Un Kim, Yu-Jun Jung, Nam-Jin Lee, Won-Jang Jeong, Jun-Tae Mo
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME
    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
  • COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING SAME
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE USING SAME
    Publication number: 20230263050
    Abstract: The present application provides a hetero-cyclic 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 hetero-cyclic compound in an organic material layer.
    Type: Application
    Filed: June 24, 2021
    Publication date: August 17, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Nam-Jin LEE, Ji-Yeon PARK, Yu-Jin HEO, Won-Jang JEONG, Dong-Jun KIM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20230240134
    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 15, 2021
    Publication date: July 27, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Ji-Yeon PARK, Nam-Jin LEE, Won-Jang JEONG, Dong-Jun KIM