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).

  • Publication number: 20220271237
    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: Application
    Filed: May 9, 2022
    Publication date: August 25, 2022
    Inventors: Sangmo KIM, Hyunjung KIM, Soonok JEON, Yeonsook CHUNG, Miyoung CHAE, Dalho HUH, Eunsuk KWON, Jongsoo KIM, Myungsun SIM
  • Patent number: 11404646
    Abstract: An organic light-emitting device including 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 predetermined host and a thermally activated delayed fluorescence emitter.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: August 2, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sooghang Ihn, Myungsun Sim, Daun Jeong, Jongsoo Kim, Joonghyuk Kim, Hasup Lee, Soonok Jeon, Yeonsook Chung, Yongsik Jung
  • Publication number: 20220223804
    Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the emission layer may include a host and a dopant, and the host may include at least one silane compound represented by Formula 1: wherein, in Formula 1, the substituents may be understood by referring to the detailed description.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 14, 2022
    Inventors: Yeonsook CHUNG, Hosuk KANG, Sangmo KIM, Inkoo KIM, Joonghyuk KIM, Hasup LEE, Daun JEONG, Yongsik JUNG, Hyeonho CHOI
  • Patent number: 11367837
    Abstract: An organic light-emitting device including an emission layer including a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, the emission layer comprises a first compound, a second compound, and a third compound, and the first compound and the second compound are different from each other, each of the first compound and the second compound emits light, the third compound does not emit light, and the first compound and the second compound satisfy Conditions and Inequalities as described herein.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myungsun Sim, Sooghang Ihn, Joonghyuk Kim, Yasushi Koishikawa, Jongsoo Kim, Hasup Lee, Soonok Jeon, Yeonsook Chung
  • Patent number: 11339143
    Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, A1, D1, and R11 to R14 are the same as described in the specification.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeonsook Chung, Soonok Jeon, Masaki Numata, Myungsun Sim, Hasup Lee, Sooghang Ihn
  • Publication number: 20220149287
    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: Application
    Filed: April 26, 2021
    Publication date: May 12, 2022
    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
  • Patent number: 11201300
    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: March 12, 2019
    Date of Patent: December 14, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sangmo Kim, Eunsuk Kwon, Jongsoo Kim, Jhunmo Son, Dongseon Lee, Soonok Jeon, Yeonsook Chung, Yongsik Jung
  • Patent number: 11145825
    Abstract: A condensed cyclic compound represented by Formula 1: Ar1-(L1)m1-Ar2?? Formula 1 wherein, in Formula 1, Ar1, Ar2, L1, and m1 are the same as described in the specification.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 12, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Eunsuk Kwon, Sangmo Kim, Jongsoo Kim, Jhunmo Son, Soonok Jeon, Yeonsook Chung, Yongsik Jung, Jun Chwae
  • Patent number: 11124521
    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: October 22, 2018
    Date of Patent: September 21, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soonok Jeon, Hiroshi Miyazaki, Yeonsook Chung, Kyungdoc Kim, Youngmin Nam, Myungsun Sim, Hasup Lee, Sooghang Ihn, Yasushi Koishikawa
  • Publication number: 20210249610
    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: Application
    Filed: January 27, 2021
    Publication date: August 12, 2021
    Inventors: Joonghyuk KIM, Hosuk KANG, Sangmo KIM, Sungho NAM, Youngmok SON, Hasup LEE, Yeonsook CHUNG, Yongsik JUNG, Hyeonho CHOI
  • Publication number: 20210246368
    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: Application
    Filed: April 1, 2021
    Publication date: August 12, 2021
    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
  • Patent number: 11053228
    Abstract: A condensed cyclic compound represented by Formula 1: Ar1-L1-Ar2??Formula 1 wherein, in Formula 1, Ar1, Ar2, and L are the same as described in the specification.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: July 6, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Yongsik Jung, Soonok Jeon, Eunsuk Kwon, Sangmo Kim, Juhyun Kim, Jhunmo Son, Yeonsook Chung, Joonghyuk Kim
  • Publication number: 20210198222
    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: Application
    Filed: June 9, 2020
    Publication date: July 1, 2021
    Inventors: Yongsik Jung, Wataru SOTOYAMA, Hosuk Kang, Sungjun Kim, Joonghyuk Kim, Youngmok Son, Won-joon Son, Yeonsook Chung
  • Publication number: 20210167311
    Abstract: Presented is an organic light-emitting device including a host, a dopant, and a sensitizer.
    Type: Application
    Filed: July 31, 2020
    Publication date: June 3, 2021
    Inventors: Soonok Jeon, Eunsuk Kwon, Sangmo Kim, Minsik Min, Hyejin Bae, Yeonsook Chung, Yongsik Jung, Youngmok Son, Eunkyung Lee, Hasup Lee, Hyeonho Choi
  • Publication number: 20210167299
    Abstract: Provided are a heterocyclic compound represented by Formula 1 and having an asymmetric structure and an organic light-emitting device including the heterocyclic compound: wherein, in Formula 1, X1 is O or Se, Ar1 is a group represented by Formula 1A, and Ar2 is a group represented by Formula 1B, and the other substituents are understood as described in connection with the detailed description.
    Type: Application
    Filed: September 29, 2020
    Publication date: June 3, 2021
    Inventors: Yeonsook Chung, Yongsik Jung, Hosuk Kang, Sangmo Kim, Joonghyuk Kim, Sungho Nam, Jun Chwae
  • Patent number: 10995265
    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: March 6, 2019
    Date of Patent: May 4, 2021
    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
  • Patent number: 10957862
    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: May 17, 2017
    Date of Patent: March 23, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sangmo Kim, Dalho Huh, Jhunmo Son, Miyoung Chae, Eunsuk Kwon, Hyunjung Kim, Saeyoun Lee, Soonok Jeon, Yeonsook Chung, Yongsik Jung, Youngmok Son, Namheon Lee
  • Patent number: 10923667
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: February 16, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sangho Park, Wataru Sotoyama, Wook Kim, Eunsuk Kwon, Sangmo Kim, Jaejun Chang, Dmitry Kravchuk, Hyejin Bae, Yeonsook Chung, Youngmok Son, Namheon Lee, Jun Chwae, Sunghan Kim
  • Publication number: 20200377490
    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: Application
    Filed: May 28, 2020
    Publication date: December 3, 2020
    Inventors: Yongsik Jung, Youngchun Kwon, Younsuk Choi, Hosuk Kang, Eunsuk Kwon, Jhunmo Son, Soonok Jeon, Yeonsook Chung
  • Publication number: 20200317694
    Abstract: A condensed-cyclic compound represented by Formula 1 and an organic light-emitting device including the same: wherein, in Formula 1, A11 is a group represented by Formulae 2-1 to 2-3 as described herein.
    Type: Application
    Filed: September 24, 2019
    Publication date: October 8, 2020
    Inventors: Soonok Jeon, Yeonsook Chung, Eunsuk Kwon, Jhunmo Son, Hasup LEE, Sooghang IHN