Patents by Inventor Hye-Su JI

Hye-Su JI 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, 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 element comprising same
    Patent number: 11678576
    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: September 28, 2018
    Date of Patent: June 13, 2023
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Yun-Ji Lee, Han-Kook Oh, Hye-Su Ji, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi
  • Heterocyclic compound and organic light emitting element comprising same
    Patent number: 11476425
    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: September 28, 2018
    Date of Patent: October 18, 2022
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Han-Kook Oh, Yun-Ji Lee, Hye-Su Ji, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20220328769
    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 5, 2020
    Publication date: October 13, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hye-Su JI, Dong-Jun KIM, Hyun-Joo LEE, Young-Seok NO
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
    Publication number: 20220213098
    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: July 3, 2020
    Publication date: July 7, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hye-Su JI, Hyun-Ju LA, Won-Jang JEONG, Dong-Jun KIM
  • Heterocyclic compound and organic light emitting element comprising same
    Patent number: 11362282
    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: September 28, 2018
    Date of Patent: June 14, 2022
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Hye-Su Ji, Han-Kook Oh, Yun-Ji Lee, Won-Jang Jeong, Jin-Seok Choi, Dae-Hyuk Choi
  • COMPOUND, ORGANIC OPTOELECTRONIC DIODE, AND DISPLAY DEVICE
    Publication number: 20220173329
    Abstract: The present application relates to a compound represented by Chemical Formula 1, an organic optoelectronic diode and a display device.
    Type: Application
    Filed: January 22, 2020
    Publication date: June 2, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hye-Su JI, Seong-Jong PARK, Won-Jang JEONG
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING SAME
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT INCLUDING SAME
    Publication number: 20220033415
    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: December 6, 2019
    Publication date: February 3, 2022
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hyun-Ju LA, Hye-Su JI, Won-Jang JEONG
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20210234102
    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: September 28, 2018
    Publication date: July 29, 2021
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hye-Su JI, Han-Kook OH, Yun-Ji LEE, Won-Jang JEONG, Jin-Seok CHOI, Dae-Hyuk CHOI
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20210226133
    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: September 28, 2018
    Publication date: July 22, 2021
    Applicant: LT Materials Co., Ltd
    Inventors: Han-Kook OH, Yun-Ji LEE, Hye-Su JI, Won-Jang JEONG, Jin-Seok CHOI, Dae-Hyuk CHOI
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20210202863
    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: September 28, 2018
    Publication date: July 1, 2021
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Yun-Ji LEE, Han-Kook OH, Hye-Su JI, Won-Jang JEONG, Jin-Seok CHOI, Dae-Hyuk CHOI