Patents by Inventor Yeonsook CHUNG

Yeonsook CHUNG 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).

  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 12358876
    Abstract: A condensed cyclic compound represented by Formula 1: wherein in Formula 1, Ar1 and R1 to R8 are the same as described in the specification.
    Type: Grant
    Filed: October 10, 2022
    Date of Patent: July 15, 2025
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Hyunjung Kim, Miyoung Chae, Eunsuk Kwon, Sangmo Kim, Soonok Jeon, Yeonsook Chung, Dalho Huh, Youngseok Park, Youngmok Son
  • Condensed cyclic compound, organic light-emitting device including same, and electronic device including organic light-emitting device
    Patent number: 12281106
    Abstract: Provided are a condensed cyclic compound, an organic light-emitting device including the condensed cyclic compound, and an electronic device including the organic light-emitting device. The condensed cyclic compound is represented by Formula 1, wherein R12 is a group represented by Formula 2-1 and R13 is a group represented by Formula 2-2.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 22, 2025
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Yongsik Jung, Youngchun Kwon, Younsuk Choi, Hosuk Kang, Eunsuk Kwon, Jhunmo Son, Soonok Jeon, Yeonsook Chung
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 12225817
    Abstract: A condensed cyclic compound represented by Formula 1: Ar1-L1-L2-Ar2??Formula 1 wherein Ar1, Ar2, L1, and L2 are the same as described in the specification.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: February 11, 2025
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sangmo Kim, Hyunjung Kim, Soonok Jeon, Yeonsook Chung, Miyoung Chae, Dalho Huh, Eunsuk Kwon, Jongsoo Kim, Myungsun Sim
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 12167677
    Abstract: Provided are a heterocyclic compound represented by Formula 1 and an organic light-emitting device including the heterocyclic compound: wherein, in Formula 1, X1 is Si or Ge, A4 is a group represented by Formula 2, and other substituents are the same as described in the detailed description:
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeonsook Chung, Eunsuk Kwon, Hwangsuk Kim, Yongsik Jung, Hosuk Kang, Joonghyuk Kim, Sungho Nam, Youngmok Son, Sangyeon Hwang, Youngmo Sung
  • Organic light-emitting device
    Patent number: 12048243
    Abstract: Provided is an organic light-emitting device including an emission layer including a first compound, a second compound, a third compound, and a fourth compound, each satisfying a certain condition.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: July 23, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jiwhan Kim, Kyunghyung Lee, Junyeob Lee, Soonok Jeon, Eunsuk Kwon, Jong Soo Kim, Joonghyuk Kim, Sungho Nam, Yusuke Maruyama, Dmitry Androsov, Hasup Lee, Sooghang Ihn, Yeonsook Chung, Hyeonho Choi
  • Organic light-emitting device
    Patent number: 11991927
    Abstract: An organic light-emitting device may include: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer may include an emission layer, the emission layer may include a first compound, a second compound, and a fluorescent dopant, the first compound, the second compound, and the fluorescent dopant may be different from one another, the total weight of the first compound and the second compound may be greater than a weight of the fluorescent dopant, and the first compound may be a compound represented by Formula 1: Formula 1 may be understood by referring to the description of Formula 1 provided herein.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joonghyuk Kim, Hosuk Kang, Sangmo Kim, Sungho Nam, Youngmok Son, Hasup Lee, Yeonsook Chung, Yongsik Jung, Hyeonho Choi
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 11991928
    Abstract: A heterocyclic compound represented by Formula 1: wherein, Ar1 is a group represented by Formula 2, Ar1 includes at least one cyano group, A1, A2, L1, a1, Ar11, Ar12, Ar13, m1, R1, R10, R20, R30, b1, b10, b20, and b30 are the same as described in the present disclosure, and * and *? each indicate a binding site to a neighboring atom.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongsik Jung, Eunsuk Kwon, Hwangsuk Kim, Yeonsook Chung, Hosuk Kang, Joonghyuk Kim, Sungho Nam, Youngmok Son
  • Organic light-emitting device comprising emission layer satisfying specific singlet excitation energy level conditions
    Patent number: 11925115
    Abstract: Disclosed is an organic light-emitting device including an emission layer that includes a compound satisfying conditions 5? and 6 below: 0 eV<?EST2?0.1 eV??Condition 1: ?EST>0.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soonok Jeon, Inkoo Kim, Won-Joon Son, Yeonsook Chung, Hyeonho Choi
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 11856851
    Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: December 26, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD
    Inventors: Yeonsook Chung, Sangmo Kim, Hyunjung Kim, Soonok Jeon, Yongsik Jung, Miyoung Chae, Dalho Huh, Hosuk Kang, Jongsoo Kim
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20230309390
    Abstract: Disclosed is an organic light-emitting device including an emission layer that includes a compound.
    Type: Application
    Filed: October 27, 2022
    Publication date: September 28, 2023
    Inventors: Soonok Jeon, Inkoo Kim, Won-joon Son, Yeonsook Chung, Hyeonho Choi
  • Thin film and organic light-emitting device including the same
    Patent number: 11713416
    Abstract: A thin film including a combination of a donor compound and an acceptor compound, and a phosphorescent dopant, wherein the donor compound and the acceptor compound form an exciplex having characteristics described in the specification.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: August 1, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sooghang Ihn, Dalho Huh, Namheon Lee, Jhunmo Son, Hosuk Kang, Sangmo Kim, Jongsoo Kim, Joonghyuk Kim, Hyunjung Kim, Youngmok Son, Myungsun Sim, Yeonsook Chung, Youngseok Park, Yongsik Jung
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 11691957
    Abstract: Provided are a condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same: wherein, in Formula 1, X1, A1, L11, a11, Ar11, Ar12, b11, R11, R12, c11, and c12 are the same as defined in the specification.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: July 4, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongsik Jung, Wataru Sotoyama, Hosuk Kang, Sungjun Kim, Joonghyuk Kim, Youngmok Son, Won-Joon Son, Yeonsook Chung
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20230118804
    Abstract: A condensed cyclic compound represented by Formula 1: wherein in Formula 1, Ar and R1 to R8 are the same as described in the specification.
    Type: Application
    Filed: October 10, 2022
    Publication date: April 20, 2023
    Inventors: Hyunjung KIM, Miyoung CHAE, Eunsuk KWON, Sangmo KIM, Soonok JEON, Yeonsook CHUNG, Dalho HUH, Youngseok PARK, Youngmok SON
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND
    Publication number: 20230101854
    Abstract: An organometallic compound, represented by Formula 1: wherein M1 is a transition metal; X10 is C; X11 to X14, X20, X30 to X36, and X40 are each independently C or N; ring A20 and ring A40 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group; and R1 to R5, R10, R20, R31, R32, R40, R51, R52, T1, b10, b20, b31, b32, and b40 are as defined herein.
    Type: Application
    Filed: April 5, 2022
    Publication date: March 30, 2023
    Inventors: Hyejin Bae, Hwangsuk Kim, Minsik Min, Sangho Park, Soonok Jeon, Yeonsook Chung, Hyesung Choi, Jong Soo Kim, Jun Chwae, Hyeonho Choi
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20230034532
    Abstract: A heterocyclic compound represented by Formula 1: wherein, Ar1 is a group represented by Formula 2, Ar1 includes at least one cyano group, A1, A2, L1, a1, Ar11, Ar12, Ar13, m1, R1, R10, R20, R30, b1, b10, b20, and b30 are the same as described in the present disclosure, and * and *? each indicate a binding site to a neighboring atom.
    Type: Application
    Filed: March 12, 2021
    Publication date: February 2, 2023
    Inventors: Yongsik Jung, Eunsuk Kwon, Hwangsuk Kim, Yeonsook Chung, Hosuk Kang, Joonghyuk Kim, Sungho Nam, Youngmok Son
  • Organic light-emitting device
    Patent number: 11569452
    Abstract: An organic light-emitting device including a predetermined host and a thermally activated delayed fluorescence emitter.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sooghang Ihn, Daun Jeong, Myungsun Sim, Hasup Lee, Eunsuk Kwon, Sangmo Kim, Minsik Min, Sangho Park, Soonok Jeon, Yeonsook Chung
  • Organic light-emitting device comprising emission layer satisfying specific singlet excitation energy level conditions
    Patent number: 11552258
    Abstract: Disclosed is an organic light-emitting device including an emission layer that includes a first compound satisfying Conditions 1 to 4 below: ?EST>?EST2+?E?TT??Condition 1: 0 eV<?EST2+?E?TT?1.0 eV??Condition 2: 0 eV<?E?TT?0.15 eV??Condition 3: ?EST2>0 eV.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soonok Jeon, Inkoo Kim, Won-joon Son, Yeonsook Chung, Hyeonho Choi
  • ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20230002429
    Abstract: An organometallic compound represented by Formula 1: M1(L11)n11(L12)n12??Formula 1 wherein, in Formula 1, M1 is a first-row transition metal, a second-row transition metal, or a third-row transition metal, L11 is a ligand represented by Formula 1-1, L12 is a monodentate ligand or a bidentate ligand, n11 is 1, and n12 is 0, 1, or 2: wherein ring CY1 to ring CY4, E1, T1 to T4, R10 to R40, X1 to X4, n1 to n4, a1 to a4, and c10 to c40 may each be understood by referring to the descriptions thereof provided herein, and *1, *2, *3, and *4 are each a binding site to M1 in Formula 1.
    Type: Application
    Filed: November 23, 2021
    Publication date: January 5, 2023
    Inventors: Minsik Min, Hyesung Choi, Hwangsuk Kim, Hyejin Bae, Soonok Jeon, Yeonsook Chung, Hosuk Kang, Jong Soo Kim, Joonghyuk Kim, Jun Chwae
  • Organic light-emitting device
    Patent number: 11539012
    Abstract: Presented is an organic light-emitting device including a host, a dopant, and a sensitizer.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soonok Jeon, Eunsuk Kwon, Sangmo Kim, Minsik Min, Hyejin Bae, Yeonsook Chung, Yongsik Jung, Youngmok Son, Eunkyung Lee, Hasup Lee, Hyeonho Choi
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 11508914
    Abstract: A condensed cyclic compound represented by Formula 1: wherein in Formula 1, Ar1 and R1 to R8 are the same as described in the specification.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: November 22, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Hyunjung Kim, Miyoung Chae, Eunsuk Kwon, Sangmo Kim, Soonok Jeon, Yeonsook Chung, Dalho Huh, Youngseok Park, Youngmok Son