Patents by Inventor Hyunah UM

Hyunah UM 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: 20240196637
    Abstract: Provided are a composition including a first compound represented by Formula 1 and a second compound represented by Formula 2, a light-emitting device, and an electronic device and an apparatus each including the light-emitting device. Formulae 1 and 2 are the same as described in the specification.
    Type: Application
    Filed: April 7, 2023
    Publication date: June 13, 2024
    Inventors: Heechoon Ahn, Youngjin Park, Hyunah Um, Yeseul Lee, Seowon Cho
  • Publication number: 20240196742
    Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode provided on the first electrode, and at least one functional layer provided between the first electrode and the second electrode. At least one functional layer may include a heterocyclic compound represented by Formula 1 below. The light emitting element of one or more embodiments including the heterocyclic compound of one or more embodiments may exhibit long lifespan characteristics. In some embodiments, the light emitting element of one or more embodiments may have reduced driving voltage.
    Type: Application
    Filed: July 26, 2023
    Publication date: June 13, 2024
    Inventors: HEECHOON AHN, YOUNGJIN PARK, HYUNAH UM, YESEUL LEE, JIYONG CHOI
  • Publication number: 20240196739
    Abstract: Embodiments provide a composition including a heterocyclic compound, a light-emitting device, and an electronic device 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 interlayer, and a heterocyclic compound.
    Type: Application
    Filed: May 23, 2023
    Publication date: June 13, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyunah Um, Hyeongmin Kim, Youngjin Park, Heechoon Ahn, Juhui Yun, Yeseul Lee, Hyoyoung Lee
  • Patent number: 12004417
    Abstract: A heterocyclic compound is represented by Formula 1. A light-emitting device may include a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer, and the light-emitting device may include at least one heterocyclic compound represented by Formula 1. In Formula 1, the substituents are the same as defined in the detailed description.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: June 4, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeseul Lee, Soobyung Ko, Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yirang Im
  • Patent number: 12004422
    Abstract: Provided are a heterocyclic compound represented by a certain formula and an organic light-emitting device including the same.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: June 4, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeseul Lee, Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yirang Im, Soobyung Ko, Jongwoo Kim
  • Publication number: 20240164208
    Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer arranged between the first electrode and the second electrode and including an emission layer, and an organic compound represented by Formula 1:
    Type: Application
    Filed: May 19, 2023
    Publication date: May 16, 2024
    Inventors: Hyunah Um, Heechoon Ahn, Seowon Cho, Jiyong Choi, Moran Ha
  • Publication number: 20240164210
    Abstract: Provided is a light emitting element including a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element according to an embodiment includes a nitrogen-containing compound represented by Formula 1 in the emission layer, and may thus exhibit improved luminous efficiency, long lifespan, and low driving voltage.
    Type: Application
    Filed: September 26, 2023
    Publication date: May 16, 2024
    Inventors: HYOYOUNG LEE, SEOWON CHO, YOUNGJIN PARK, Eunhye AN, HEECHOON AHN, HYUNAH UM, Yeon Sook CHUNG, Eunjeong CHOI
  • Publication number: 20240155941
    Abstract: A light emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode that includes a first compound represented by Formula 1. The light emitting element including the first compound of an embodiment may have a decrease in the driving voltage and exhibit excellent or suitable efficiency.
    Type: Application
    Filed: September 26, 2023
    Publication date: May 9, 2024
    Inventors: HYEONGMIN KIM, YOUNGJIN PARK, HEECHOON AHN, HYUNAH UM, Juhui YUN, YESEUL LEE
  • 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
  • Publication number: 20240147851
    Abstract: A light emitting device of one or more embodiments includes a first electrode, a second electrode oppositely provided to the first electrode, and an emission layer provided between the first electrode and the second electrode, wherein the emission layer includes a first compound represented by Formula 1 below.
    Type: Application
    Filed: July 19, 2023
    Publication date: May 2, 2024
    Inventors: YESEUL LEE, HYEONGMIN KIM, HEECHOON AHN, HYUNAH UM, Juhui YUN, MORAN HA
  • Patent number: 11944008
    Abstract: Provided are a heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same. The 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 and including an emission layer, and the organic light-emitting device may include at least one of the heterocyclic compound.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: March 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeseul Lee, Soobyung Ko, Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yirang Im
  • Patent number: 11916181
    Abstract: A heterocyclic compound is represented by Formula 1. 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 and including an emission layer, wherein the organic light-emitting device includes at least one of the heterocyclic compound.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: February 27, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heechoon Ahn, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Yirang Im, Soobyung Ko, Youngkook Kim
  • Patent number: 11903309
    Abstract: A heterocyclic compound is represented by Formula 1. 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 comprising an emission layer; and at least one of the heterocyclic compound represented by Formula 1.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heechoon Ahn, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Yirang Im, Soobyung Ko, Jongwoo Kim
  • Publication number: 20240016050
    Abstract: A light emitting element of one or more embodiments may include a first electrode, a second electrode provided on the first electrode, and an emission layer provided between the first electrode and the second electrode and including a first compound represented by Formula 1.
    Type: Application
    Filed: May 19, 2023
    Publication date: January 11, 2024
    Inventors: SEOWON CHO, HYEONGMIN KIM, HEECHOON AHN, HYUNAH UM, Juhui YUN
  • Publication number: 20230403928
    Abstract: A heterocyclic compound is represented by Formula 1. 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 and including an emission layer, wherein the organic light-emitting device includes at least one of the heterocyclic compound.
    Type: Application
    Filed: August 18, 2023
    Publication date: December 14, 2023
    Inventors: Heechoon Ahn, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Yirang Im, Soobyung Ko, Youngkook Kim
  • Publication number: 20230363256
    Abstract: There are provided a composition, a light-emitting device including the composition, and an electronic apparatus including the light-emitting device, wherein the composition includes a first compound including at least one pyrrole-containing condensed cyclic group and a silicon-containing group, and not including an electron-transporting moiety, and a second compound including an azine group including at least one nitrogen, and not including a silicon-containing group.
    Type: Application
    Filed: May 3, 2023
    Publication date: November 9, 2023
    Inventors: Jong Soo KIM, Giwook KANG, Eunsuk KWON, Joonghyuk KIM, Hwang Suk KIM, Sungho NAM, Minsik MIN, Youngjin PARK, Hyejin BAE, Eunhye AN, Heechoon AHN, Hyunah UM, Joonghee WON, Dongjin JANG, Daun JEONG, Yeon Sook CHUNG, Yongsik JUNG, Eunjeong CHOI, Hyesung CHOI
  • Publication number: 20230329100
    Abstract: A light emitting element that includes a first electrode, a second electrode, a functional layer between the first electrode and the second electrode, and a capping layer on the second electrode and including an amine compound represented by Formula 1 is provided. The light emitting element may exhibit high efficiency and high luminance characteristics.
    Type: Application
    Filed: February 9, 2023
    Publication date: October 12, 2023
    Inventors: SANGHYUN HAN, YOUNGJIN PARK, HANKYU PAK, HEECHOON AHN, HYUNAH UM, EUNJAE JEONG, SEOWON CHO, SOHEE JO
  • 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
  • Patent number: 11778900
    Abstract: A heterocyclic compound is represented by Formula 1. 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 and including an emission layer, wherein the organic light-emitting device includes at least one of the heterocyclic compound.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heechoon Ahn, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Yirang Im, Soobyung Ko, Youngkook Kim
  • Publication number: 20230284519
    Abstract: A light-emitting device includes a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode, the interlayer including an emission layer, and a heterocyclic compound represented by Formula 1, and an electronic apparatus includes the light-emitting device: wherein Formula 1 is as defined in the present specification.
    Type: Application
    Filed: February 27, 2023
    Publication date: September 7, 2023
    Inventors: Yeseul Lee, Hyeongmin Kim, Youngjin Park, Heechoon Ahn, Hyunah Um, Juhui Yun