Patents by Inventor Yirang IM

Yirang IM 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).

  • Heterocyclic compound and light-emitting device including same
    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
  • Heterocyclic compound and organic light-emitting device including the same
    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
  • Heterocyclic compound and organic light-emitting device including the same
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    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
  • Heterocyclic compound and organic light-emitting device including the same
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20230189635
    Abstract: A heterocyclic compound is represented by Formula 1, and an organic light-emitting device including the same. The substituents of Formula 1 are the same as defined in the detailed description.
    Type: Application
    Filed: February 3, 2023
    Publication date: June 15, 2023
    Inventors: Heechoon Ahn, Soobyung Ko, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Yirang Im
  • HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE HETEROCYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    Publication number: 20230172064
    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 and including an emission layer, and at least one heterocyclic compound represented by Formula 1. An electronic apparatus including the light-emitting device is also provided: Formula 1 is the same as described herein.
    Type: Application
    Filed: August 25, 2022
    Publication date: June 1, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Heechoon AHN, Hyeongmin KIM, Youngjin PARK, Juhui YUN, Hyoyoung LEE, Yirang IM
  • LIGHT EMITTING ELEMENT
    Publication number: 20230129321
    Abstract: A light emitting element according to an embodiment includes a first electrode, a second electrode disposed on the first electrode, an emission layer disposed between the first electrode and the second electrode, and a double buffer layer including a first layer disposed on the emission layer and a second layer disposed on the first layer. The first layer includes a first compound, the second layer includes a second compound which is different from the first compound, and the first compound and the second compound are each independently represented by Formula 1 or Formula 2, thereby contributing to increased efficiency and increased life of a light emitting element.
    Type: Application
    Filed: May 19, 2022
    Publication date: April 27, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: HYUNAH UM, MINJE KIM, YOUNGJIN PARK, HEECHOON AHN, Juhui YUN, YESEUL LEE, YIRANG IM
  • Compound and organic light-emitting device including the same
    Patent number: 11611049
    Abstract: An 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 and comprising an emission layer, wherein the compound is of Formula 1, as shown in the equation below:
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: March 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeongmin Kim, Soobyung Ko, Heechoon Ahn, Hyunah Um, Yeseul Lee, Yirang Im
  • Compound and organic light-emitting device including the same
    Patent number: 11597734
    Abstract: A compound is represented by Formula 1 and an organic light-emitting device are disclosed. 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 comprising an emission layer. The organic layer comprises the compound represented by Formula 1.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: March 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yirang Im, Yeseul Lee, Soobyung Ko, Jongwoo Kim
  • Organic electroluminescence device and polycyclic compound for organic electroluminescence device
    Patent number: 11450821
    Abstract: An organic electroluminescence device comprises a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer comprises a polycyclic compound represented by Formula 1 and achieves high efficiency and a low driving voltage. In Formula 1, at least one of Ar1 to Ar4 is represented by Formula 2.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeseul Lee, Soo-Byung Ko, Hyeongmin Kim, HeeChoon Ahn, Hyunah Um, Yirang Im
  • CONDENSED CYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE CONDENSED CYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    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
  • CONDENSED CYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING CONDENSED CYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING LIGHT-EMITTING DEVICE
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20220251121
    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: April 21, 2022
    Publication date: August 11, 2022
    Inventors: Heechoon Ahn, Hyeongmin Kim, Hyunah Um, Yeseul Lee, Yirang Im, Soobyung Ko, Youngkook Kim
  • HETEROCYCLIC COMPOUND AND LIGHT-EMITTING DEVICE INCLUDING THE SAME
    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
  • HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    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
  • HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE HETEROCYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    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
  • ELECTROLUMINESCENCE DEVICE
    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
  • HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE HETEROCYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    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
  • HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE
    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