Patents by Inventor Seok-Hyeon YU

Seok-Hyeon YU 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).

  • ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20240179932
    Abstract: The present disclosure relates to an organic light emitting diode and an organic light emitting device including the same. The organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and a first blue emitting material layer including a first compound and a second compound and positioned between the first and second electrodes, wherein the first compound is represented by Formula 1, and the second compound is represented by Formula 3. According to an aspect of the present disclosure, it is allowed to provide an OLED and an organic light emitting device having high emitting efficiency and/or improved lifespan.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 30, 2024
    Applicants: LG DISPLAY CO., LTD., LT Materials Co.,Ltd
    Inventors: Ji-Seon JANG, Chi-Ho LEE, Suk-Young BAE, Han-Jin AHN, Jun-Yun KIM, Dae-Hyuk CHOI, Dong-Jun KIM, Yong-Woo KIM, Yong-Geun JUNG, Jin-Hwan SHIN, Seok-Hyeon YU
  • Organic light emitting device, method for manufacturing same and composition for organic material layer
    Patent number: 11785844
    Abstract: The present specification relates to an organic light emitting device, a method for manufacturing the same, and a composition for an organic material layer.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: October 10, 2023
    Assignee: LT MATERIALS CO., LTD.
    Inventors: Seok-Hyeon Yu, Geon-Yu Park, Young-Seok No, Dong-Jun Kim
  • ORGANIC LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREFOR, AND COMPOSITION FOR ORGANIC MATERIAL LAYER OF ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20230189645
    Abstract: The present specification relates to an organic light emitting device including a first electrode, a second electrode, and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more layers of the organic material layers include a heterocyclic compound represented by Chemical Formula 1 and a heterocyclic compound represented by Chemical Formula 2, a method for manufacturing the same, and a composition for an organic material layer of an organic light emitting device.
    Type: Application
    Filed: May 12, 2021
    Publication date: June 15, 2023
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Yong-Hui LEE, Seok-Hyeon YU, Jun-Tae MO, Su-Yeon KIM, Min-Ji PARK, Dong-Jun KIM
  • ORGANIC METAL COMPOUND, ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE HAVING THE COMPOUND
    Publication number: 20220223803
    Abstract: The present disclosure relates to an organic metal compound, an organic light emitting diode and organic light emitting device having the same, in particular, to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and luminous lifespan.
    Type: Application
    Filed: October 21, 2021
    Publication date: July 14, 2022
    Applicants: LG DISPLAY CO., LTD., LT Materials Co.,Ltd
    Inventors: Sung-Jin PARK, Do-Han KIM, Hye-Seung KANG, Jae-Min MOON, Yoo-Jeong JEONG, Ji-Young KIM, Seok-Hyeon YU
  • HETEROCYCLIC COMPOUND, ORGANIC LIGHT EMITTING DIODE COMPRISING SAME, MANUFACTURING METHOD THEREFOR, AND COMPOSITION FOR ORGANIC LAYER
    Publication number: 20210094914
    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 18, 2019
    Publication date: April 1, 2021
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Geon-Yu PARK, Seok-Hyeon YU, Dong-Jun KIM
  • ORGANIC LIGHT EMITTING DEVICE, METHOD FOR MANUFACTURING SAME AND COMPOSITION FOR ORGANIC MATERIAL LAYER
    Publication number: 20210057651
    Abstract: The present specification relates to an organic light emitting device, a method for manufacturing the same, and a composition for an organic material layer.
    Type: Application
    Filed: July 24, 2020
    Publication date: February 25, 2021
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Seok-Hyeon YU, Geon-Yu PARK, Young-Seok NO, Dong-Jun KIM