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: 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: 20220140261
    Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the 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; an interlayer between the first electrode and the second electrode, and including an emission layer.
    Type: Application
    Filed: November 3, 2021
    Publication date: May 5, 2022
    Inventors: Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yeseul Lee, Hyoyoung Lee, Yirang Im, Seowon Cho
  • 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
  • Publication number: 20220135601
    Abstract: Provided are a heterocyclic compound represented by Formula 1, a light-emitting device including the heterocyclic compound, 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: September 2, 2021
    Publication date: May 5, 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: 20220123227
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer among the organic layers includes a fused polycyclic compound in which a dibenzoheterocyclic derivative and a monoheterocyclic derivative containing at least one nitrogen atom as a ring-forming atom are connected via a linker to form a ring, thereby showing improved emission efficiency and improved device reliability.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 21, 2022
    Inventors: Junha PARK, Jang Yeol BAEK, Mun-Ki SIM, Hyoyoung LEE, Soo-Byung KO, Young Kook KIM
  • Publication number: 20220123229
    Abstract: Provided are a heterocyclic compound represented by Formula 1, a light-emitting device including the same, and an apparatus including the light-emitting device. The 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 at least one of the heterocyclic compound represented by Formula 1.
    Type: Application
    Filed: June 28, 2021
    Publication date: April 21, 2022
    Inventors: Heechoon AHN, Hyeongmin KIM, Hyunah UM, Yeseul LEE, Hyoyoung LEE, Yirang IM, Seowon CHO
  • Publication number: 20220112163
    Abstract: A heterocyclic compound is represented by Formula 1 in the present specification and satisfies at least one of Condition 1 to Condition 5, a light-emitting device includes the heterocyclic compound, and an electronic apparatus includes the light-emitting device. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; and interlayer between the first electrode and the second electrode and including an emission layer; and the heterocyclic compound.
    Type: Application
    Filed: October 6, 2021
    Publication date: April 14, 2022
    Inventors: Hyunah Um, Hyeongmin Kim, Heechoon Ahn, Yeseul Lee, Hyoyoung Lee, Yirang Im, Seowon Cho
  • Publication number: 20220052264
    Abstract: A light-emitting device including a condensed cyclic compound represented by Formula 1, wherein the condensed cyclic compound of Formula 1 may be used in the emission layer of the light-emitting device: where the detailed description of Formula 1 is the same as described in the present specification.
    Type: Application
    Filed: April 29, 2021
    Publication date: February 17, 2022
    Inventors: Jangyeol BAEK, Seran KIM, Sunyoung PAK, Hankyu PAK, Munki SIM, Chanseok OH, Hyoyoung LEE
  • Patent number: 11251376
    Abstract: A heterocyclic compound and an organic light-emitting device including the same are provided. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, where the organic layer may include an emission layer and at least one of the heterocyclic compound described above.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: February 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoyoung Lee, Junha Park, Munki Sim, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20220045287
    Abstract: An organic electroluminescence device of the present disclosure includes a first electrode, a second electrode oppositely disposed to the first electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer among the multiple organic layers includes a fused polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.
    Type: Application
    Filed: April 1, 2021
    Publication date: February 10, 2022
    Inventors: Hyeongmin KIM, Heechoon AHN, Hyunah UM, Yeseul LEE, Hyoyoung LEE, Yirang IM, Seowon CHO
  • Publication number: 20220029106
    Abstract: An organic electroluminescent element 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.
    Type: Application
    Filed: March 31, 2021
    Publication date: January 27, 2022
    Inventors: Hyunah UM, Hyeongmin KIM, Heechoon AHN, Yeseul LEE, Hyoyoung LEE, Yirang IM, Seowon CHO
  • Publication number: 20220020936
    Abstract: Provided are a light-emitting device including a condensed cyclic compound represented by Formula 1 and an electronic apparatus including the light-emitting device, where Formula 1 is the same as described in the present specification. The 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 emission layer including at least one of the condensed cyclic compound represented by Formula 1.
    Type: Application
    Filed: April 29, 2021
    Publication date: January 20, 2022
    Inventors: Junha PARK, Seokhwan HWANG, Sunyoung PAK, Jangyeol BAEK, Munki SIM, Hyoyoung LEE, Minjung JUNG
  • Publication number: 20210399226
    Abstract: Provided are a light-emitting device including a condensed cyclic compound represented by Formula 1, 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 comprising an emission layer, wherein the light-emitting device further comprises a second capping layer outside the second electrode, the second capping layer having a refractive index of equal to or greater than 1.6, and the emission layer comprises at least one condensed cyclic compound represented by Formula 1.
    Type: Application
    Filed: April 5, 2021
    Publication date: December 23, 2021
    Inventors: Munki SIM, Junha PARK, Hankyu PAK, Jangyeol BAEK, Chanseok OH, Seokhwan HWANG, Taeil KIM, Sunyoung PAK, Hyoyoung LEE, Minjung JUNG
  • Publication number: 20210391540
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode facing a second electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer among the plurality of organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.
    Type: Application
    Filed: February 16, 2021
    Publication date: December 16, 2021
    Inventors: Hyoyoung LEE, Hankyu PAK, Taeil KIM, Sun Young PAK, Jang Yeol BAEK, Minjung JUNG
  • Publication number: 20210367158
    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: Application
    Filed: August 6, 2021
    Publication date: November 25, 2021
    Inventors: Junha PARK, Munki SIM, Hyoyoung LEE, Youngkook KIM, Seokhwan HWANG