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: 20230130170
    Abstract: An light emitting 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: October 3, 2022
    Publication date: April 27, 2023
    Inventors: Hyoyoung LEE, Soo-Byung KO, JUNHA PARK, Han Kyu PAK, Jang Yeol BAEK, Mun-Ki SIM, CHANSEOK OH
  • Publication number: 20230088084
    Abstract: Disclosed is a method for preparing a graphyne including: supplying a precursor represented by the following Chemical Formula 1 to a chamber including a first zone and a second zone; vaporizing or subliming the precursor in the first zone; and depositing the precursor vaporized or sublimed in the second zone on a metal substrate to form the graphyne: (in Chemical Formula 1, X is carbon or nitrogen, and R1 to R3 may be selected from the group consisting of hydrogen, bromine, fluorine, chlorine, and iodine, respectively).
    Type: Application
    Filed: July 20, 2022
    Publication date: March 23, 2023
    Applicants: Research & Business Foundation Sungkyunkwan University, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hyoyoung LEE, Sohyeon SEO, Jungsue CHOI
  • Patent number: 11588111
    Abstract: A condensed cyclic compound and an organic light-emitting device, the compound being represented by Formula 1:
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: February 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Patent number: 11581492
    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: Grant
    Filed: August 20, 2020
    Date of Patent: February 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chanseok Oh, Seokhwan Hwang, Junha Park, Hankyu Pak, Mun-Ki Sim, Hyoyoung Lee, Minjung Jung
  • Patent number: 11563183
    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: January 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junha Park, Munki Sim, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Patent number: 11532794
    Abstract: A compound of Formula 1, as disclosed herein, is useful in an organic light emitting device and apparatuses including the same.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: December 20, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chanseok Oh, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Munki Sim, Hyoyoung Lee, Minjung Jung
  • Publication number: 20220384745
    Abstract: Provided are an organic light-emitting device including a first compound, a second compound, and a third compound, and an electronic apparatus including the same. The organic 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, the emission layer including the first compound, the second compound, andthe third compound.
    Type: Application
    Filed: July 20, 2022
    Publication date: December 1, 2022
    Inventors: Soobyung KO, Sungbum KIM, Junha PARK, Munki SIM, Heechoon AHN, Hyoyoung LEE, Mina JEON, Mieun JUN, Junghoon HAN, Youngkook KIM, Seokhwan HWANG
  • Patent number: 11489124
    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: Grant
    Filed: May 26, 2020
    Date of Patent: November 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoyoung Lee, Soo-Byung Ko, Junha Park, Han Kyu Pak, Jang Yeol Baek, Mun-Ki Sim, Chanseok Oh
  • Publication number: 20220263034
    Abstract: An electronic apparatus includes a light-emitting device including a condensed cyclic compound represented by Formula 1, wherein, in Formula 1, G1 is a group represented by Formula 2, and G2 is a group represented by one of Formulae 3A to 3C:
    Type: Application
    Filed: August 23, 2021
    Publication date: August 18, 2022
    Inventors: Yeseul Lee, Hyeongmin Kim, Heechoon Ahn, Hyunah UM, Hyoyoung Lee, Yirang Im, Seowon Cho
  • Publication number: 20220259748
    Abstract: The present application relates to an electrode catalyst for water electrolysis including a first transition metal foam, a metal layered double hydroxide (LDH)/metal oxide mixed layer which contains a second transition metal and a third transition metal that are formed on the surface of the first transition metal foam, and fourth transition metal oxyhydroxide nanoparticles formed on the surface of the mixed layer, in which the mixed layer surface contains the metal layered double hydroxide.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 18, 2022
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hyoyoung LEE, Jadhav Amol
  • Publication number: 20220263028
    Abstract: A condensed cyclic compound represented by Formula 1, a light-emitting device including the condensed cyclic compound, and an electronic apparatus including the light-emitting device are provided: wherein the detailed description of Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: January 21, 2022
    Publication date: August 18, 2022
    Inventors: Hyoyoung Lee, Seowon Cho, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Yirang Im
  • Publication number: 20220243343
    Abstract: Summary The present application relates to a catalyst for hydrogen evolution reaction (HER) including a transition metal matrix and noble metal atoms formed in the transition metal matrix, in which the noble metal atoms have oxygen adsorbed thereto, and oxygen is derived from the transition metal matrix.
    Type: Application
    Filed: January 26, 2022
    Publication date: August 4, 2022
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hyoyoung LEE, Yang LIU
  • Publication number: 20220235476
    Abstract: Disclosed is a catalyst for hydrogen evolution reaction (HER) including: a first transition metal matrix; and a second transition metal oxide formed on the first transition metal matrix; wherein a hydroxyl group is introduced on the second transition metal oxide.
    Type: Application
    Filed: January 24, 2022
    Publication date: July 28, 2022
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hyoyoung LEE, Yang LIU
  • Publication number: 20220205118
    Abstract: The present disclosure relates to a water splitting catalyst including a porous carbon layer, a bimetallic metal alloy core dispersed on the porous carbon layer, and a single-atom precious metal dispersed on the bimetallic metal alloy core, in which oxygen is adsorbed on the surface of the bimetallic metal alloy core.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 30, 2022
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hyoyoung LEE, Jinsun LEE, Ashwani KUMAR
  • Publication number: 20220177496
    Abstract: The disclosure relates to a heterocyclic compound represented by Formula 1 and a light-emitting device including the same. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer including an emission layer between the first electrode and the second electrode, wherein the interlayer includes a heterocyclic compound represented by Formula 1.
    Type: Application
    Filed: December 2, 2021
    Publication date: June 9, 2022
    Inventors: Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yeseul Lee, Hyoyoung Lee, Yirang Im, Seowon Cho
  • Publication number: 20220177416
    Abstract: Provided is a preparing method of an amide directly from a tertiary amine by using a reduced titanium dioxide (Blue TiO2), which is formed by mixing a titanium dioxide having an anatase phase and a rutile phase with a reducing agent and selectively reducing any one of the anatase phase and the rutile phase, as a photocatalyst.
    Type: Application
    Filed: November 29, 2021
    Publication date: June 9, 2022
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hyoyoung LEE, Suresh VASIMALLA, Seungeun LEE
  • Publication number: 20220169591
    Abstract: Provided is a preparing method of linear carbonate compounds, including performing a coupling reaction of carbon dioxide in the presence of a titanium dioxide complex. The titanium dioxide complex includes an anatase phase and a rutile phase, a reduced titanium dioxide which is formed by selectively reducing any one of the anatase phase and the rutile phase, and a metallic oxide bound to the reduced titanium dioxide.
    Type: Application
    Filed: November 24, 2021
    Publication date: June 2, 2022
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hyoyoung LEE, Thi Kim Chau NGUYEN, Jinsun LEE
  • Publication number: 20220165960
    Abstract: Provided are a heterocyclic compound represented by Formula 1, a light-emitting device including the same, and an electronic apparatus including the light-emitting device: wherein the detailed description of Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: November 16, 2021
    Publication date: May 26, 2022
    Inventors: Yeseul LEE, Hyeongmin KIM, Heechoon AHN, Hyunah UM, Hyoyoung LEE, Yirang IM, Seowon CHO
  • Publication number: 20220140242
    Abstract: Provided are a condensed cyclic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device. The 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 the condensed cyclic compound represented by Formula 1.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 5, 2022
    Inventors: Hyoyoung Lee, Sunyoung Pak, Hankyu Pak, Munki Sim, Chanseok Oh, Seokhwan Hwang
  • Publication number: 20220140255
    Abstract: An electroluminescence device of the present disclosure includes a first electrode, 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 organic layer selected from among the plurality of organic layers includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency:
    Type: Application
    Filed: August 3, 2021
    Publication date: May 5, 2022
    Inventors: HYUNAH UM, HYEONGMIN KIM, HEECHOON AHN, YESEUL LEE, HYOYOUNG LEE, YIRANG IM, SEOWON CHO