Patents by Inventor Giwoong HAN

Giwoong HAN 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: 20250057045
    Abstract: A light emitting device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode and including a fused polycyclic compound represented by Formula 1. Accordingly, the light emitting device of an embodiment may show a low driving voltage, high efficiency and long-life characteristics.
    Type: Application
    Filed: June 5, 2024
    Publication date: February 13, 2025
    Inventors: SUN YOUNG PAK, MUN-KI SIM, JUNHA PARK, CHANSEOK OH, Chihyun RYOO, Giwoong HAN
  • Publication number: 20250048928
    Abstract: A light emitting element includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode and including a first compound represented by Formula 1.
    Type: Application
    Filed: May 2, 2024
    Publication date: February 6, 2025
    Inventors: CHANSEOK OH, SUN YOUNG PAK, MinJae SUNG, MUN-KI SIM, Giwoong HAN
  • Publication number: 20250034174
    Abstract: A heterocyclic compound represented by Formula 1, an organic light-emitting device including the heterocyclic compound, and an electronic apparatus including the organic light-emitting device are provided:
    Type: Application
    Filed: July 9, 2024
    Publication date: January 30, 2025
    Inventors: Taeil Kim, Sunyoung Pak, Junha Park, Minjae Sung, Munki Sim, Minjung Jung, Giwoong Han, Seonhyoung Hur
  • Publication number: 20250008839
    Abstract: A light emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound having two N atoms and a B atom fused to three aromatic rings, and at least one sterically bulky substituent. The shape of the polycyclic compound may reduce intermolecular interactions and provide material and chemical stability.
    Type: Application
    Filed: June 7, 2024
    Publication date: January 2, 2025
    Inventors: CHANSEOK OH, TAEIL KIM, SUN YOUNG PAK, JUNHA PARK, MinJae SUNG, MUN-KI SIM, MINJUNG JUNG, Giwoong HAN, Seonhyoung HUR
  • Publication number: 20240423089
    Abstract: Embodiments provide a fused polycyclic compound, a light emitting element including the fused polycyclic compound, and a display device including the light emitting element. The light emitting element includes a first electrode, a second electrode facing the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes a first compound represented by Formula 1.
    Type: Application
    Filed: May 10, 2024
    Publication date: December 19, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: TAEIL KIM, SUN YOUNG PAK, JUNHA PARK, MinJae SUNG, MUN-KI SIM, CHANSEOK OH, MINJUNG JUNG, Giwoong HAN, Seonhyoung HUR
  • Publication number: 20240407263
    Abstract: A light-emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The light-emitting layer includes a fused polycyclic compound having a pentacyclic core that includes three aromatic rings fused by one boron and two nitrogen atoms. A first substituent that excludes hydrogen and deuterium is connected to the pentacyclic core at an ortho-position of the boron.
    Type: Application
    Filed: April 19, 2024
    Publication date: December 5, 2024
    Inventors: TAEIL KIM, SUN YOUNG PAK, JUNHA PARK, MinJae SUNG, MUN-KI SIM, CHANSEOK OH, MINJUNG JUNG, Giwoong HAN, Seonhyoung HUR
  • Publication number: 20240381769
    Abstract: A light-emitting device including a condensed cyclic compound and an electronic apparatus including the light-emitting device are provided. and the condensed cyclic compound. The light-emitting device includes a first electrode, a second electrode facing the first electrode, between which is an emission layer including the condensed cyclic compound that is configured to enhance the operating characteristics, efficiency and lifespan of the light-emitting device.
    Type: Application
    Filed: March 1, 2024
    Publication date: November 14, 2024
    Inventors: Chanseok Oh, Sunyoung Pak, Junha Park, Kyoung Sunwoo, Munki Sim, Giwoong Han
  • Publication number: 20240341185
    Abstract: Embodiments provide an organic compound, a light-emitting device, an electronic apparatus that includes the light-emitting device, and an electronic equipment light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the organic compound.
    Type: Application
    Filed: November 21, 2023
    Publication date: October 10, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Taeil Kim, Sunyoung Pak, Junha Park, Chanseok Oh, Giwoong Han
  • Publication number: 20240324458
    Abstract: Embodiments provide a light-emitting device including a heterocyclic compound, an electronic apparatus including the light-emitting device, and an electronic equipment including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the heterocyclic compound.
    Type: Application
    Filed: February 20, 2024
    Publication date: September 26, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Taeil Kim, Sunyoung Pak, Junha Park, Kyoung Sunwoo, Chanseok Oh, Giwoong Han
  • Publication number: 20240315134
    Abstract: A light emitting device that includes a first electrode, a second electrode provided on the first electrode, and an emission layer provided between the first electrode and the second electrode is provided. The emission layer includes a fused polycyclic compound, and may also include at least one of a second compound, a third compound, or a fourth compound. The fused polycyclic compound includes three aromatic rings fused by boron and nitrogen atoms and also includes substituents with steric properties that may reduce or prevent the negative impact caused by intermolecular interactions and improve the emission efficiency and service life of the light emitting device.
    Type: Application
    Filed: November 7, 2023
    Publication date: September 19, 2024
    Inventors: MUN-KI SIM, SUN YOUNG PAK, JUNHA PARK, Kyoung SUNWOO, CHANSEOK OH, Giwoong HAN