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).

  • Publication number: 20240407251
    Abstract: A light emitting element including 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 first compound and may exhibit high efficiency and long service life characteristics.
    Type: Application
    Filed: February 2, 2024
    Publication date: December 5, 2024
    Inventors: Chanseok OH, Sun Young PAK, MinJae SUNG, Mun-Ki SIM, Minjung JUNG, 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
  • Patent number: 12133456
    Abstract: An organic electroluminescence device includes a first electrode and a second electrode facing each other, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one of the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby improving luminous efficiency.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: October 29, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mun-Ki Sim, Seokhwan Hwang, Junha Park, Hankyu Pak, Chanseok Oh, Hyoyoung Lee, Minjung Jung
  • Patent number: 12127475
    Abstract: Provided are a light-emitting device including a condensed cyclic compound represented by Formula 1, and an electronic apparatus including 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 comprising an emission layer, wherein the light-emitting device further comprises a second capping layer outside the second electrode, the second capping layer having a refractive index of equal to or greater than 1.6, and the emission layer comprises at least one condensed cyclic compound represented by Formula 1.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: October 22, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Seokhwan Hwang, Taeil Kim, Sunyoung Pak, Hyoyoung Lee, Minjung Jung
  • Publication number: 20240349609
    Abstract: Provided is a light-emitting element including a first electrode, a second electrode provided on the first electrode, and an emission layer provided between the first electrode and the second electrode. The emission layer includes a first compound represented by Formula 1 below and thus the light-emitting element exhibits long-lifespan characteristics.
    Type: Application
    Filed: January 17, 2024
    Publication date: October 17, 2024
    Inventors: TAEIL KIM, MINJUNG JUNG, JUNHA PARK, MinJae SUNG, MUN-KI SIM, CHANSEOK OH, Seonhyoung HUR
  • 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: 20240341187
    Abstract: Embodiments provide a light-emitting device including a condensed cyclic compound and an electronic apparatus 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 condensed cyclic compound.
    Type: Application
    Filed: March 19, 2024
    Publication date: October 10, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seonhyoung Hur, Taeil Kim, Junha Park, Minjae Sung, Chanseok Oh, Minjung Jung
  • Publication number: 20240324457
    Abstract: A light emitting element including a first electrode, a second electrode facing the first electrode, and a functional layer provided between the first electrode and the second electrode is provided. The functional layer includes an emission layer that includes a first compound with a core having a plurality of aromatic rings fused through a boron atom and two heteroatoms. The functional layer includes a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode. The emission layer may further include a second compound, a third compound, and or a fourth compound.
    Type: Application
    Filed: December 12, 2023
    Publication date: September 26, 2024
    Inventors: SUN YOUNG PAK, JUNHA PARK, Kyoung SUNWOO, MUN-KI SIM, CHANSEOK OH, Seonhyoung HUR
  • 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: 20240315135
    Abstract: Embodiments provide fused polycyclic compound and a light emitting element that includes the fused polycyclic compound. The light emitting element include a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode and including the fused polycyclic compound.
    Type: Application
    Filed: December 6, 2023
    Publication date: September 19, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: MinJae SUNG, TAEIL KIM, SUN YOUNG PAK, KYOUNG SUNWOO, MUN-KI SIM, CHANSEOK OH
  • 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
  • Publication number: 20240298537
    Abstract: A light-emitting device including a heterocyclic compound and an electronic apparatus including the light-emitting device are provided. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the two electrodes and including an emission layer. The heterocyclic compound is included in the emission layer such that the efficiency and lifespan of the light-emitting device may be enhanced or improved.
    Type: Application
    Filed: December 5, 2023
    Publication date: September 5, 2024
    Inventors: Chanseok Oh, Sunyoung Pak, Junha Park, Kyoung Sunwoo, Minjae Sung, Munki Sim
  • Publication number: 20240284794
    Abstract: A light emitting element includes a first electrode, a second electrode, and an emission layer which is disposed between the first electrode and the second electrode and includes a compound represented by Formula 1, thereby exhibiting long service life and high efficiency characteristics.
    Type: Application
    Filed: January 2, 2024
    Publication date: August 22, 2024
    Inventors: MINJE KIM, SERAN KIM, CHANSEOK OH, JIYOUNG LEE, EUNG DO KIM, CHANGWOONG CHU
  • Publication number: 20240276880
    Abstract: Embodiments provide a light emitting element that includes a first electrode, a second electrode facing the first electrode, and an emission layer which is disposed between the first electrode and the second electrode and includes a first compound represented by Formula 1, which is explained in the specification.
    Type: Application
    Filed: October 4, 2023
    Publication date: August 15, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: MUN-KI SIM, TAEIL KIM, SUN YOUNG PAK, JUNHA PARK, Kyoung SUNWOO, MinJae SUNG, CHANSEOK OH
  • Publication number: 20240270761
    Abstract: A method of preparing a heterocyclic compound represented by Formula 1, the method includes preparing a first reactant, preparing a second reactant represented by Formula 2-2, and preparing an intermediate compound by mixing the first reactant and the second reactant with i) a copper catalyst, ii) a base, and optionally, iii) an auxiliary solvent, to allow the first reactant and the second reactant to react, wherein the first reactant is a compound represented by Formula 2-1a, and the intermediate compound is a compound represented by Formula 2-3a, or the first reactant is a compound represented by Formula 2-1b, and the intermediate compound is a compound represented by Formula 2-3b: wherein more details of Formulae 1, 2-1a, 2-1b, 2-2, 2-3a, and 2-3b are as described herein.
    Type: Application
    Filed: September 19, 2023
    Publication date: August 15, 2024
    Inventors: Kyoung Sunwoo, Taeil Kim, Sunyoung Pak, Junha Park, Jangyeol Baek, Minjae Sung, Munki Sim, Chanseok Oh, Minjung Jung, Seonhyoung Hur
  • Publication number: 20240260294
    Abstract: A condensed cyclic compound satisfying Expression 1, a light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including the condensed cyclic compound, and an electronic apparatus and electronic equipment that include the light-emitting device are provided. Expression 1 is: SA1/V1?0.89 ??1 wherein, in Expression 1, SA1 indicates a surface area of the condensed cyclic compound, and V1 indicates a volume of the condensed cyclic compound.
    Type: Application
    Filed: August 3, 2023
    Publication date: August 1, 2024
    Inventors: Munki Sim, Sunyoung Pak, Junha Park, Kyoung Sunwoo, Chanseok Oh, Changwoong Chu
  • Patent number: 12052917
    Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including a heterocyclic compound that includes boron and nitrogen.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: July 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Soobyung Ko, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee
  • Publication number: 20240247006
    Abstract: A heterocyclic compound, an organic light-emitting device including the heterocyclic compound, and an electronic apparatus including the organic light-emitting device. Utlization of the heterocyclic compound in the organic light-emitting device may enhance or improve the operating characteristics of the device, such as driving voltage, luminance, luminescence efficiency, and/or lifespan.
    Type: Application
    Filed: December 15, 2023
    Publication date: July 25, 2024
    Inventors: Chanseok Oh, Sunyoung Pak, Kyoung Sunwoo, Munki Sim, Minjung Jung
  • Publication number: 20240224567
    Abstract: Embodiments provide an organic light-emitting device that 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.
    Type: Application
    Filed: July 21, 2023
    Publication date: July 4, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Chanseok Oh, Sunyoung Pak, Junha Park, Jangyeol Baek, Munki Sim, Changwoong Chu