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 THE SAME
    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
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 11271170
    Abstract: Provided are a heterocyclic compound and an organic light-emitting device including the same. The heterocyclic compound is represented by Formula 1. 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 emission layer, wherein the organic layer includes at least one of the heterocyclic compound represented by Formula 1.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: March 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeseul Lee, Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yirang Im, Soobyung Ko, Jongwoo Kim
  • ORGANIC ELECTROLUMINESCENCE DEVICE
    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
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT
    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
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20210408400
    Abstract: Provided are a heterocyclic compound having a novel structure and an organic light-emitting device including the same. 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 and including an emission layer, and the organic layer includes the heterocyclic compound.
    Type: Application
    Filed: May 19, 2021
    Publication date: December 30, 2021
    Inventors: Heechoon AHN, Soobyung KO, Hyeongmin KIM, Hyunah UM, Yeseul LEE, Yirang IM
  • HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING SAME
    Publication number: 20210399229
    Abstract: Provided are a heterocyclic compound represented by Formula 1 and an organic light-emitting device including the heterocyclic compound. 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 and including an emission layer; and at least one of the heterocyclic compound.
    Type: Application
    Filed: March 16, 2021
    Publication date: December 23, 2021
    Inventors: Hyunah UM, Hyeongmin KIM, Heechoon AHN, Yeseul LEE, Yirang IM, Seowon CHO
  • HETEROCYCLIC COMPOUND AND LIGHT-EMITTING DEVICE INCLUDING SAME
    Publication number: 20210391546
    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: Application
    Filed: January 12, 2021
    Publication date: December 16, 2021
    Inventors: Yeseul LEE, Soobyung KO, Hyeongmin KIM, Heechoon AHN, Hyunah UM, Yirang IM
  • HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING HETEROCYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING LIGHT-EMITTING DEVICE
    Publication number: 20210376262
    Abstract: A heterocyclic compound represented by Formula 1: wherein, in Formula 1, Ar1 to Ar4, Ar4, Ar11, and Ar12 are each, independently from one another, as defined herein.
    Type: Application
    Filed: May 18, 2021
    Publication date: December 2, 2021
    Inventors: Heechoon AHN, Soobyung KO, Hyeongmin KIM, Hyunah UM, Yeseul LEE, Yirang Im
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20210367168
    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: November 30, 2020
    Publication date: November 25, 2021
    Inventors: Heechoon AHN, Soobyung KO, Hyeongmin KIM, Hyunah UM, Yeseul LEE, Yirang IM
  • HETEROCYCLIC COMPOUND AND LIGHT-EMITTING DEVICE INCLUDING SAME
    Publication number: 20210367162
    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: Application
    Filed: November 19, 2020
    Publication date: November 25, 2021
    Inventors: Yeseul LEE, Soobyung KO, Hyeongmin KIM, Heechoon AHN, Hyunah UM, Yirang IM
  • Compound and organic light-emitting device including the same
    Patent number: 11180513
    Abstract: Provided is a compound represented by Formula 1 and an organic light-emitting device including the same. 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, the organic layer including an emission layer and the compound represented by Formula 1.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: November 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeseul Lee, Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yirang Im, Soobyung Ko, Jongwoo Kim
  • COMPOUND AND LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20210359215
    Abstract: A compound represented by Formula 1, when used in a light-emitting device according to an embodiment of the disclosure, may have higher efficiency characteristics than compounds in the related art, and in particular, may have excellent effects in terms of lifespan improvement, resulting in a significant improvement in the lifespan of the light-emitting device:
    Type: Application
    Filed: October 20, 2020
    Publication date: November 18, 2021
    Inventors: Hyunah UM, Hyeongmin KIM, Heechoon AHN, Yeseul LEE, Yirang IM, Seowon CHO
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20210359219
    Abstract: Provided are a heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same. 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 emission layer, wherein the organic light-emitting device includes at least one heterocyclic compound represented by Formula 1.
    Type: Application
    Filed: November 9, 2020
    Publication date: November 18, 2021
    Inventors: Hyeongmin KIM, Soobyung KO, Heechoon AHN, Hyunah UM, Yeseul LEE, Yirang IM
  • COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20210119154
    Abstract: A compound is of Formula 1, as disclosed herein.
    Type: Application
    Filed: June 24, 2020
    Publication date: April 22, 2021
    Inventors: Hyeongmin Kim, Soobyung Ko, Heechoon Ahn, Hyunah Um, Yeseul Lee, Yirang Im
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20210066620
    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: Application
    Filed: June 10, 2020
    Publication date: March 4, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Yeseul LEE, Soo-Byung KO, Hyeongmin KIM, HeeChoon AHN, Hyunah UM, Yirang IM
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20210020854
    Abstract: The present disclosure relates to an organic electroluminescence device in which a polycyclic compound represented by Formula 1 below is included in at least one functional layer of a plurality of functional layers, and to the polycyclic compound represented by Formula 1 below:
    Type: Application
    Filed: July 7, 2020
    Publication date: January 21, 2021
    Inventors: Hyeongmin KIM, HeeChoon AHN, Hyunah UM, Yeseul LEE, Yirang IM, Soo-Byung KO, Jongwoo KIM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20200388771
    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: Application
    Filed: May 19, 2020
    Publication date: December 10, 2020
    Inventors: Heechoon AHN, Hyeongmin KIM, Hyunah UM, Yeseul LEE, Yirang IM, Soobyung KO, Jongwoo KIM
  • COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20200369686
    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: Application
    Filed: October 28, 2019
    Publication date: November 26, 2020
    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
    Publication number: 20200328352
    Abstract: An organic electroluminescence device having high luminous efficiency includes: a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1 to achieve high luminous efficiency.
    Type: Application
    Filed: February 3, 2020
    Publication date: October 15, 2020
    Inventors: HeeChoon AHN, Soo-Byung KO, Hyeongmin KIM, Hyunah UM, Yeseul LEE, Yirang IM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20200295269
    Abstract: Provided are a heterocyclic compound represented by a certain formula and an organic light-emitting device including the same.
    Type: Application
    Filed: November 1, 2019
    Publication date: September 17, 2020
    Inventors: Yeseul Lee, Hyeongmin Kim, Heechoon Ahn, Hyunah Um, Yirang Im, Soobyung Ko, Jongwoo Kim