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).

  • LIGHT EMITTING ELEMENT AND NITROGEN-CONTAINING COMPOUND FOR THE SAME
    Publication number: 20240155936
    Abstract: A light emitting element of an embodiment may include a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including a first compound represented by Formula 1. The light emitting element including the first compound may show improved color coordinates of light emitted and long-life characteristics.
    Type: Application
    Filed: July 20, 2023
    Publication date: May 9, 2024
    Inventors: HYUNAH UM, HYEONGMIN KIM, YOUNGJIN PARK, HEECHOON AHN, Juhui YUN, YESEUL LEE, HYOYOUNG LEE
  • Light-emitting device including condensed cyclic compound, and electronic apparatus including the light-emitting device
    Patent number: 11968896
    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: Grant
    Filed: April 29, 2021
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junha Park, Seokhwan Hwang, Sunyoung Pak, Jangyeol Baek, Munki Sim, Hyoyoung Lee, Minjung Jung
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 11957042
    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: Grant
    Filed: August 26, 2020
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung, Seokhwan Hwang
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 11895907
    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, the organic layer including an emission layer; and at least one condensed cyclic compound represented by Formula 1: wherein, in Formula 1, at least one selected from R1 to R15 is a group represented by Formula 2:
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: February 6, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung, Soobyung Ko
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 11844273
    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: August 6, 2021
    Date of Patent: December 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junha Park, Munki Sim, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Compound and light-emitting device including same
    Patent number: 11839149
    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: Grant
    Filed: September 22, 2020
    Date of Patent: December 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoyoung Lee, Seokhwan Hwang, Sunyoung Pak, Junha Park, Jangyeol Baek, Munki Sim, Minjung Jung
  • Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
    Patent number: 11839151
    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: Grant
    Filed: May 19, 2020
    Date of Patent: December 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mun-Ki Sim, Hankyu Pak, Seokhwan Hwang, Sun Young Pak, Junha Park, Jang Yeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung
  • Heterocyclic compound, organic light-emitting device including heterocyclic compound, and electronic apparatus including organic light-emitting device
    Patent number: 11818953
    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: Grant
    Filed: September 24, 2020
    Date of Patent: November 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sunyoung Pak, Seokhwan Hwang, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 11818952
    Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same are provided.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: November 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Sunyoung Pak, Junha Park, Hankyu Pak, Jangyeol Baek, Chanseok Oh, Hyoyoung Lee, Minjung Jung, Soobyung Ko
  • LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    Publication number: 20230363273
    Abstract: Provided are a light-emitting device and an electronic apparatus including the same, the light-emitting device including a first electrode, a second electrode, and an interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2: wherein details of Formulae 1 and 2 are as described herein.
    Type: Application
    Filed: May 3, 2023
    Publication date: November 9, 2023
    Inventors: Jong Soo KIM, Giwook KANG, Hosuk KANG, Eunsuk KWON, Inkoo KIM, Joonghyuk KIM, Eunhye AN, Juhui YUN, Yeseul LEE, Hyoyoung LEE, Sooghang IHN, Dongjin JANG, Yeon Sook CHUNG, Kyeongsik JU, Eunjeong CHOI, Jun CHWAE
  • Organic electroluminescence device and polycyclic compound for organic electroluminescence device
    Patent number: 11805695
    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: Grant
    Filed: September 16, 2020
    Date of Patent: October 31, 2023
    Assignee: 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
  • Organic electroluminescence device and polycyclic compound for organic electroluminescence device
    Patent number: 11800793
    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: Grant
    Filed: November 6, 2020
    Date of Patent: October 24, 2023
    Assignee: Samsung Display Co., Ltd.
    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
  • HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING HETEROCYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING LIGHT-EMITTING DEVICE
    Publication number: 20230320193
    Abstract: A light-emitting device includes a heterocyclic compound represented by Formula 1, an electronic apparatus includes the light-emitting device, and a heterocyclic compound is represented by Formula 1: Formula 1 may be understood by referring to the description of Formula 1 provided herein.
    Type: Application
    Filed: February 10, 2023
    Publication date: October 5, 2023
    Inventors: Hyoyoung Lee, Hyeongmin Kim, Hyunah Um, Juhui Yun, Jiyong Choi
  • Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device
    Patent number: 11758801
    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: Grant
    Filed: February 16, 2021
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoyoung Lee, Hankyu Pak, Taeil Kim, Sun Young Pak, Jang Yeol Baek, Minjung Jung
  • PHOTOCATALYST-ATTACHED FILTER AND PREPARING METHOD OF THE SAME
    Publication number: 20230256417
    Abstract: The present application relates to a filter having a photocatalyst attached thereto, which comprises: a substrate; and a photocatalyst bonded on the substrate, in which the photocatalyst has each photocatalyst bonded and combined by a polymer binder, and the substrate and the photocatalyst are bonded by a hydrophilic polymer binder.
    Type: Application
    Filed: February 15, 2023
    Publication date: August 17, 2023
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hyoyoung Lee, Jung Sue CHOI, Hak Sung LEE, Yeon Su HAN, Tae Hun YANG, Hyun KO
  • CATALYST FOR ELECTROLYSIS AND PREPARING METHOD OF THE SAME
    Publication number: 20230257892
    Abstract: The present disclosure relates to an electrolysis catalyst including a graphitic carbon layer; and a first metal and a second metal oxide dispersed in the graphitic carbon layer, wherein the first metal is electron-deficient.
    Type: Application
    Filed: February 15, 2023
    Publication date: August 17, 2023
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hyoyoung Lee, Xinghui Liu
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20230232714
    Abstract: A light emitting element that includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound represented by Formula 1. The light emitting element has a reduced driving voltage and an increased efficiency.
    Type: Application
    Filed: October 28, 2022
    Publication date: July 20, 2023
    Inventors: YESEUL LEE, JANG YEOL BAEK, HEECHOON AHN, HYOYOUNG LEE, SEOWON CHO
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20230225192
    Abstract: A light emitting element that includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode is provided. The at least one functional layer includes a polycyclic compound represented by a specific chemical structure, and has a high efficiency and low driving voltage properties.
    Type: Application
    Filed: October 26, 2022
    Publication date: July 13, 2023
    Inventors: YOUNGJIN PARK, HYEONGMIN KIM, HEECHOON AHN, HYOYOUNG LEE, JIYONG CHOI
  • HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE HETEROCYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    Publication number: 20230217807
    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 specification.
    Type: Application
    Filed: December 29, 2022
    Publication date: July 6, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyunah UM, Hyeongmin KIM, Youngjin PARK, Heechoon AHN, Juhui YUN, Hyoyoung LEE
  • LIGHT-EMITTING DEVICE INCLUDING HETEROCYCLIC COMPOUND, ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE, AND THE HETEROCYCLIC COMPOUND
    Publication number: 20230174559
    Abstract: A light-emitting device including a heterocyclic compound represented by Formula 1 or 2, an electronic apparatus including the light-emitting device, and the heterocyclic compound represented by Formula 1 or Formula 2: wherein the detailed description of Formulae 1 and 2 is the same as described in the present specification.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 8, 2023
    Inventors: Heechoon Ahn, Hyeongmin Kim, Hyunah Um, Juhui Yun, Hyoyoung Lee