Patents by Inventor Hyoyoung Lee

Hyoyoung Lee 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: 20210288265
    Abstract: Provided are a condensed cyclic compound having a novel structure and an organic light-emitting device including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer located between the first electrode and the second electrode and including an emission layer; and at least one condensed cyclic compound represented by Formula 1.
    Type: Application
    Filed: September 24, 2020
    Publication date: September 16, 2021
    Inventors: Hankyu PAK, Seokhwan HWANG, Junha PARK, Munki SIM, Chanseok OH, Hyoyoung LEE, Minjung JUNG
  • Publication number: 20210280798
    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: Application
    Filed: September 24, 2020
    Publication date: September 9, 2021
    Inventors: Sunyoung Pak, Seokhwan Hwang, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee
  • Publication number: 20210273175
    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: Application
    Filed: November 6, 2020
    Publication date: September 2, 2021
    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
  • Publication number: 20210265571
    Abstract: A compound for a light emitting device, the compound being represented by Formula 1: wherein, in Formula 1, the variables are defined herein.
    Type: Application
    Filed: September 22, 2020
    Publication date: August 26, 2021
    Inventors: Hyoyoung Lee, Seokhwan Hwang, Sunyoung Pak, Junha Park, Jangyeol Baek, Munki Sim, Minjung Jung
  • Patent number: 11088331
    Abstract: Provided are a heterocyclic compound and an organic light-emitting device including the same. The heterocyclic compound includes a fluoro-containing cyclic group. The heterocyclic compound does not include a carbazole group, a dibenzofuran group, a dibenzothiophene group, and/or a triphenylene group. The 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 organic layer, the organic layer including an emission layer and at least one of the heterocyclic compound.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: August 10, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junha Park, Munki Sim, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20210242404
    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: Application
    Filed: September 16, 2020
    Publication date: August 5, 2021
    Applicant: 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: 11078210
    Abstract: A a heterocyclic compound and an organic light-emitting device including the same are presented. The organic light-emitting device includes two electrodes and an organic layer between the electrodes that includes an emission layer and at least one heterocyclic compound, which is represented by the following Formula: wherein ring A1 is selected from a C5-C60 carbocyclic group and a C1-C60 heterocyclic group, X1 is O, S, or Se, and Li is selected from a substituted or unsubstituted C5-C60 carbocyclic group, a substituted or unsubstituted C1-C60 heterocyclic group, *—Si(Q1)(Q2)-*?, *—P(?O)(Q1)-*?, *—P(?O)2—*?, *—P(?S)(Q1)-*?, *—P(?S)2—*?, *—S(?O)(Q1)-*?, and *—S(?O)2—*?. Other variables in the Formula are defined, and more specific structures are disclosed in the specification.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: August 3, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20210226126
    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: Application
    Filed: December 2, 2020
    Publication date: July 22, 2021
    Inventors: Mun-Ki SIM, SEOKHWAN HWANG, JUNHA PARK, Hankyu PAK, CHANSEOK OH, Hyoyoung LEE, Minjung JUNG
  • Publication number: 20210159412
    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: Application
    Filed: August 26, 2020
    Publication date: May 27, 2021
    Inventors: Munki SIM, Sunyoung PAK, Junha PARK, Hankyu PAK, Jangyeol BAEK, Chanseok OH, Hyoyoung LEE, Minjung JUNG, Seokhwan HWANG
  • Publication number: 20210139425
    Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1 as a thermally activated delayed fluorescence dopant, where D1 is a group represented by Formula 2 and Rw is selected from: —F, a cyano group, and a C1-C20 alkyl group substituted with at least one —F:
    Type: Application
    Filed: August 31, 2018
    Publication date: May 13, 2021
    Inventors: Munki SIM, Junha PARK, Jangyeol BAEK, Hyoyoung LEE, Soobyung KO, Youngkook KIM, Seokhwan HWANG
  • Publication number: 20210143336
    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, and the emission layer includes a polycyclic compound represented by Formula 1.
    Type: Application
    Filed: August 20, 2020
    Publication date: May 13, 2021
    Inventors: Chanseok OH, Seokhwan HWANG, Junha PARK, Hankyu PAK, Mun-Ki SIM, Hyoyoung LEE, Minjung JUNG
  • Patent number: 10998503
    Abstract: Provided are a condensed cyclic compound and an organic light-emitting device including the same. The 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 and at least one of the condensed cyclic compound.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: May 4, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junha Park, Munki Sim, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20210126196
    Abstract: A compound of Formula 1, as disclosed herein, is useful in an organic light emitting device and apparatuses including the same.
    Type: Application
    Filed: September 7, 2020
    Publication date: April 29, 2021
    Inventors: Chanseok Oh, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Munki Sim, Hyoyoung Lee, Minjung Jung
  • Patent number: 10991891
    Abstract: Provided are a condensed cyclic compound represented by the following formulas and an organic light-emitting device including the same. The organic lightemitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, where the organic layer may include an emission layer and at least one of the condensed cyclic compound described above.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: April 27, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20210050525
    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: Application
    Filed: May 19, 2020
    Publication date: February 18, 2021
    Inventors: Mun-Ki SIM, Hankyu PAK, Seokhwan HWANG, Sun Young PAK, Junha PARK, Jang Yeol BAEK, Chanseok OH, Hyoyoung LEE, Minjung JUNG
  • Patent number: 10903432
    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, wherein the organic layer comprises an emission layer and a heterocyclic compound of Formula 1: wherein a1 to a3 satisfy a1+a2+a3?1.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: January 26, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Patent number: 10897014
    Abstract: A heterocyclic compound and an organic light-emitting device including the same are provided, the heterocyclic compound being represented by <Formula 1>
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: January 19, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Eunjae Jeong, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20210013423
    Abstract: An organic electroluminescence 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: May 26, 2020
    Publication date: January 14, 2021
    Inventors: Hyoyoung LEE, Soo-Byung KO, Junha PARK, Han Kyu PAK, Jang Yeol BAEK, Mun-Ki SIM, Chanseok OH
  • Publication number: 20210013430
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode and a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one selected from among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.
    Type: Application
    Filed: April 23, 2020
    Publication date: January 14, 2021
    Inventors: Hyoyoung LEE, Soo-Byung KO, Junha PARK, Hankyu PAK, Jang Yeol BAEK, Mun-ki SIM, Chanseok OH
  • Publication number: 20200395550
    Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same are provided.
    Type: Application
    Filed: May 26, 2020
    Publication date: December 17, 2020
    Inventors: Munki SIM, Sunyoung PAK, Junha PARK, Hankyu PAK, Jangyeol BAEK, Chanseok OH, Hyoyoung LEE, Minjung JUNG, Soobyung KO