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: 20240155860
    Abstract: A 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 a condensed cyclic compound represented by Formula 1. And an electronic apparatus and electronic equipment include the light-emitting device.
    Type: Application
    Filed: May 25, 2023
    Publication date: May 9, 2024
    Inventors: Minjung Jung, Taeil Kim, Sunyoung Pak, Kyoung Sunwoo, Munki Sim, Chanseok Oh
  • Publication number: 20240138170
    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. The emission layer includes a first compound, and at least one of a second compound or a third compound.
    Type: Application
    Filed: July 12, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: CHANSEOK OH, SUN YOUNG PAK, JUNHA PARK, Kyoung SUNWOO, MUN-KI SIM
  • Publication number: 20240138261
    Abstract: Embodiments provide a fused polycyclic compound and a light emitting device including the fused polycyclic compound. The light emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes fused polycyclic compound, which is represented by Formula 1 and is explained in the specification.
    Type: Application
    Filed: June 8, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: CHANSEOK OH, MUN-KI SIM, SUN YOUNG PAK, JUNHA PARK, Kyoung SUNWOO
  • Publication number: 20240130235
    Abstract: A light emitting element 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 may include a first compound and at least one of a second compound or a third compound. The first compound may be represented by Formula 1, the second compound may be represented by Formula HT-1, and the third compound may be represented by Formula ET-1. Accordingly, a light emitting element of an embodiment may exhibit excellent or suitable light efficiency.
    Type: Application
    Filed: September 15, 2023
    Publication date: April 18, 2024
    Inventors: CHANSEOK OH, TAEIL KIM, JANG YEOL BAEK, MINJAE SUNG, MINJUNG JUNG, SEONHYOUNG HUR
  • Publication number: 20240122071
    Abstract: Embodiments provide a light emitting element 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, wherein the emission layer includes a polycyclic compound represented by Formula 1, which is explained in the specification:
    Type: Application
    Filed: July 7, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: MUN-KI SIM, Kyoung SUNWOO, SUN YOUNG PAK, JUNHA PARK, JANG YEOL BAEK, CHANSEOK OH
  • Patent number: 11957042
    Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1, wherein A11 is a group represented by one of Formulae 10A to 10D: The organic light-emitting device including the heterocyclic compound may have improved efficiency and/or lifespan characteristics.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung, Seokhwan Hwang
  • Patent number: 11950508
    Abstract: A light emitting device includes a first electrode, a second electrode, and at least one emission layer between the first electrode and the second electrode and includes at least one polycyclic compound represented by Formula 1 below, thereby exhibiting long service life characteristics. In Formula 1, the substituents are the same as defined in the detailed description.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: April 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Taeil Kim, Junha Park, Sun Young Pak, Jang Yeol Baek, Kyoung Sunwoo, Mun-Ki Sim, Chanseok Oh, Minjung Jung
  • Publication number: 20240107885
    Abstract: A light emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, where the emission layer includes a first compound represented by Formula 1:
    Type: Application
    Filed: May 10, 2023
    Publication date: March 28, 2024
    Inventors: MUN-KI SIM, CHANSEOK OH, SUN YOUNG PAK, JUNHA PARK, Kyoung SUNWOO
  • Patent number: 11910706
    Abstract: Provided are a light-emitting device including a heterocyclic 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, and an interlayer between the first electrode and the second electrode and including an emission layer, and the emission layer includes at least one heterocyclic compound represented by Formula 1.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minjung Jung, Taeil Kim, Sunyoung Pak, Junha Park, Jangyeol Baek, Munki Sim, Chanseok Oh
  • Patent number: 11899740
    Abstract: We present the architecture of a high-performance constraint solver R-Solve that extends the gains made in SAT performance over the past fifteen years on static decision problems to problems that require on-the-fly adaptation, solution space exploration and optimization. R-Solve facilitates collaborative parallel solving and provides an efficient system for unrestricted incremental solving via Smart Repair. R-Solve can address problems in dynamic planning and constrained optimization involving complex logical and arithmetic constraints.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: February 13, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: James Ezick, Thomas Henretty, Chanseok Oh, Jonathan Springer
  • Patent number: 11895907
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and at least one condensed cyclic compound represented by Formula 1: wherein, in Formula 1, at least one selected from R1 to R15 is a group represented by Formula 2:
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: February 6, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung, Soobyung Ko
  • Patent number: 11882758
    Abstract: A heterocyclic compound may be represented by Formula 1: where Formula 1 is the same as described herein. An organic light-emitting device including the heterocyclic compound in, for example, an emission layer may have excellent driving voltage, luminescence efficiency, and external quantum yield.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: January 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minjung Jung, Seokhwan Hwang, Sunyoung Pak, Hankyu Pak, Jangyeol Baek, Munki Sim, Chanseok Oh
  • Publication number: 20240023439
    Abstract: Embodiments provide a light emitting device that 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. The at least one functional layer includes: a first compound represented by Formula 1; and at least one of a second compound represented by Formula HT or a third compound represented by Formula ET, wherein Formula 1, Formula HT, and Formula ET are each explained in the specification. The light emitting device exhibits low voltage, high efficiency, and long service life characteristics.
    Type: Application
    Filed: May 24, 2023
    Publication date: January 18, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: CHANSEOK OH, TAEIL KIM, JANG YEOL BAEK, MinJae SUNG, MINJUNG JUNG, Seonhyoung HUR
  • Publication number: 20230403934
    Abstract: Embodiments provide a polycyclic compound and a light emitting element that includes the polycyclic compound. The light emitting element exhibits high efficiency and long service life characteristics.
    Type: Application
    Filed: March 16, 2023
    Publication date: December 14, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: CHANSEOK OH, SUN YOUNG PAK, Kyoung SUNWOO, MUN-KI SIM
  • Patent number: 11839151
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode and a second electrode which face each other, and a plurality of organic layers disposed between the first electrode and the second electrode. At least one organic layer selected from the plurality of organic layers includes a fused polycyclic compound represented by Formula 1, and thus the organic electroluminescence device can exhibit improved luminous efficiency.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: December 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mun-Ki Sim, Hankyu Pak, Seokhwan Hwang, Sun Young Pak, Junha Park, Jang Yeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung
  • Publication number: 20230389412
    Abstract: A light emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first compound represented by Formula 1 below:
    Type: Application
    Filed: February 21, 2023
    Publication date: November 30, 2023
    Inventors: CHANSEOK OH, TAEIL KIM, JUNHA PARK, JANG YEOL BAEK, MINJAE SUNG, MINJUNG JUNG
  • Patent number: 11818953
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and a heterocyclic compound represented by Formula 1, as defined herein.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: November 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sunyoung Pak, Seokhwan Hwang, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee
  • 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
  • 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
  • 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