Patents by Inventor Chanseok Oh

Chanseok Oh 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 and organic light-emitting device including the same
    Patent number: 11818952
    Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same are provided.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: November 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung, Soobyung Ko
  • Organic electroluminescence device and polycyclic compound for organic electroluminescence device
    Patent number: 11805695
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, and long-life device characteristics may be shown.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: October 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang Yeol Baek, Jaejin Lyu, Sun Young Pak, Junha Park, Hankyu Pak, Mun-Ki Sim, Chanseok Oh, Hyoyoung Lee, Minjung Jung
  • Organic electroluminescence device and polycyclic compound for organic electroluminescence device
    Patent number: 11800793
    Abstract: An organic electroluminescence device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer, wherein the organic layer includes a polycyclic compound represented by Formula 1. The organic electroluminescence device may have high emission efficiency.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: October 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hankyu Pak, Mun-ki Sim, Seokhwan Hwang, Junha Park, Jang Yeol Baek, Keigo Hoshi, Yuuki Miyazaki, Hyoyoung Lee, Minjung Jung, Sun Young Pak, Chanseok Oh
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR LIGHT EMITTING ELEMENT
    Publication number: 20230320216
    Abstract: A light emitting element is provided to include a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer may include a polycyclic compound including a boron-containing core part and an electron donating group of a dibenzoheterole skeleton.
    Type: Application
    Filed: February 9, 2023
    Publication date: October 5, 2023
    Inventors: MUN-KI SIM, JANG YEOL BAEK, Kyoung SUNWOO, MINJAE SUNG, CHANSEOK OH, MORAN HA
  • LIGHT EMITTING DEVICE
    Publication number: 20230309401
    Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes: a first compound represented by Formula 1; and at least one of a second compound, a third compound 3, and a fourth compound, thereby showing improved emission efficiency and device life.
    Type: Application
    Filed: December 28, 2022
    Publication date: September 28, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: TAEIL KIM, SUN YOUNG PAK, JUNHA PARK, JANG YEOL BAEK, Kyoung SUNWOO, MUN-KI SIM, CHANSEOK OH, MINJUNG JUNG
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR LIGHT EMITTING ELEMENT
    Publication number: 20230284528
    Abstract: Embodiments provide a light emitting element that includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode.
    Type: Application
    Filed: January 10, 2023
    Publication date: September 7, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: MUN-KI SIM, SUN YOUNG PAK, JUNHA PARK, Kyoung SUNWOO, CHANSEOK OH, MORAN HA
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20230269996
    Abstract: A light emitting element (that includes a first electrode, a second electrode, and an emission layer which is between the first electrode and the second electrode and includes a compound represented by Formula 1) is provided. The light emitting element concurrently (e.g., simultaneously) exhibits a high efficiency and a long service life characteristic.
    Type: Application
    Filed: October 6, 2022
    Publication date: August 24, 2023
    Inventors: CHANSEOK OH, TAEIL KIM, JUNHA PARK, JANG YEOL BAEK, MinJae SUNG, MINJUNG JUNG
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20230270006
    Abstract: A light emitting element (that includes a first electrode, a second electrode, and an emission layer which is between the first electrode and the second electrode and includes a compound represented by Formula 1) is provided. The light emitting element concurrently (e.g., simultaneously) exhibits a high efficiency and a long service life characteristic.
    Type: Application
    Filed: February 17, 2023
    Publication date: August 24, 2023
    Inventors: CHANSEOK OH, TAEIL KIM, JUNHA PARK, JANG YEOL BAEK, MinJae SUNG, MINJUNG JUNG
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20230269997
    Abstract: A light emitting element of an embodiment includes a first electrode, a second 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, and at least one compound selected from among a second compound represented by Formula 2, a third compound represented by Formula 3, and a fourth compound represented by Formula 4, thereby showing high efficiency and long-life characteristics.
    Type: Application
    Filed: December 1, 2022
    Publication date: August 24, 2023
    Inventors: SUN YOUNG PAK, TAEIL KIM, Kyoung SUNWOO, MUN-KI SIM, CHANSEOK OH, MORAN HA
  • LIGHT-EMITTING DEVICE INCLUDING CONDENSED CYCLIC COMPOUND, ELECTRONIC APPARATUS INCLUDING THE SAME, AND THE CONDENSED CYCLIC COMPOUND
    Publication number: 20230263057
    Abstract: Embodiments provide a condensed cyclic compound, a light-emitting device that includes the condensed cyclic compound, and an electronic apparatus that includes the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes the condensed cyclic compound.
    Type: Application
    Filed: January 31, 2023
    Publication date: August 17, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kyoung Sunwoo, Seran Kim, Sunyoung Pak, Jangyeol Baek, Munki Sim, Chanseok Oh, Moran Ha
  • CONDENSED CYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE CONDENSED CYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    Publication number: 20230255100
    Abstract: Embodiments provide a condensed cyclic compound, a light-emitting device that includes the condensed cyclic compound, and an electronic apparatus that includes the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer, and at least one of the condensed cyclic compound.
    Type: Application
    Filed: October 20, 2022
    Publication date: August 10, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Chanseok OH, Seran KIM, Sunyoung PAK, Kyoung SUNWOO, Munki SIM, Moran HA
  • LIGHT EMITTING ELEMENT
    Publication number: 20230217804
    Abstract: A light emitting element that includes a first compound represented by a specific chemical formula in which an ortho-type or kind penta-phenyl group is bonded to a fused polycyclic compound including at least one boron atom and a heteroatom is provided. The light emitting element has a long-lifetime.
    Type: Application
    Filed: August 12, 2022
    Publication date: July 6, 2023
    Inventors: TAEIL KIM, SUN YOUNG PAK, JUNHA PARK, JANG YEOL BAEK, Kyoung SUNWOO, MUN-KI SIM, CHANSEOK OH, MINJUNG JUNG
  • LIGHT EMITTING DEVICE
    Publication number: 20230146532
    Abstract: A light emitting device that includes a first electrode, a second electrode opposite to the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a first compound, and at least one of a second compound, a third compound, or a fourth compound. Improved emission efficiency properties are obtained.
    Type: Application
    Filed: July 26, 2022
    Publication date: May 11, 2023
    Inventors: MUN-KI SIM, TAEIL KIM, SUN YOUNG PAK, JUNHA PARK, JANG YEOL BAEK, Kyoung SUNWOO, CHANSEOK OH, MINJUNG JUNG
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20230141820
    Abstract: A light emitting element according to an embodiment includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes a first compound, and at least one of a second compound, a third compound, and a fourth compound. The first compound is represented by Formula 1, the second compound is represented by Formula HT-1, the third compound is represented by Formula ET-1, and the fourth compound is represented by Formula M-b. Accordingly, the light emitting element has decreased driving voltage and improved efficiency.
    Type: Application
    Filed: July 12, 2022
    Publication date: May 11, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: MI EUN JUN, SERAN KIM, CHANSEOK OH
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT
    Publication number: 20230132685
    Abstract: An organic electroluminescent element of an embodiment includes an oppositely disposed first electrode and second electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1, thereby showing improved emission efficiency:
    Type: Application
    Filed: June 7, 2022
    Publication date: May 4, 2023
    Inventors: SUN YOUNG PAK, TAEIL KIM, JUNHA PARK, JANG YEOL BAEK, Kyoung SUNWOO, MUN-KI SIM, CHANSEOK OH, MINJUNG JUNG
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND FUSED POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20230126371
    Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a fused polycyclic compound represented by Formula 1, and thus the organic electroluminescence device may exhibit increased luminous efficiency.
    Type: Application
    Filed: June 1, 2022
    Publication date: April 27, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: TAEIL KIM, JANG YEOL BAEK, SUN YOUNG PAK, JUNHA PARK, KYOUNG SUNWOO, MUN-KI SIM, CHANSEOK OH, MINJUNG JUNG
  • LIGHT EMITTING DEVICE
    Publication number: 20230132112
    Abstract: A light emitting device of an embodiment includes a first electrode, a second electrode oppositely disposed to the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes a first host represented by Formula H-1, a second host represented by Formula H-2, and a first dopant represented by Formula 1, wherein Formulas H-1, H-2, and 1 are explained in the specification. The light emitting device shows improved emission efficiency properties.
    Type: Application
    Filed: May 26, 2022
    Publication date: April 27, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: MUN-KI SIM, TAEIL KIM, SUN YOUNG PAK, JUNHA PARK, JANG YEOL BAEK, Kyoung SUNWOO, CHANSEOK OH, MINJUNG JUNG
  • LIGHT-EMITTING DEVICE INCLUDING HETEROCYCLIC COMPOUND AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    Publication number: 20230127929
    Abstract: Provided are a light-emitting device including a heterocyclic compound represented by Formula 1 below and an electronic apparatus including the light-emitting device. The detailed description of Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: October 13, 2022
    Publication date: April 27, 2023
    Inventors: Chanseok Oh, Seran Kim, Taeil Kim, Sunyoung Pak, Junha Park, Jangyeol Baek, Kyoung Sunwoo, Munki Sim, Minjung Jung
  • LIGHT EMITTING DEVICE AND FUSED POLYCYCLIC COMPOUND FOR LIGHT EMITTING DEVICE
    Publication number: 20230130170
    Abstract: An light emitting device of the present embodiments includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one among the plurality of organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency:
    Type: Application
    Filed: October 3, 2022
    Publication date: April 27, 2023
    Inventors: Hyoyoung LEE, Soo-Byung KO, JUNHA PARK, Han Kyu PAK, Jang Yeol BAEK, Mun-Ki SIM, CHANSEOK OH
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND FUSED POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20230121704
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode facing the first electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein the organic layers include at least one organic layer including a fused polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.
    Type: Application
    Filed: April 28, 2022
    Publication date: April 20, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Chanseok OH, Taeil KIM, Sun Young PAK, Junha PARK, Jang Yeol BAEK, Kyoung SUNWOO, Mun-Ki SIM, Minjung JUNG