Patents by Inventor Eunsoo AHN

Eunsoo AHN 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).

  • Organometallic compound, light-emitting device including the same and electronic apparatus including the light-emitting device
    Patent number: 12685008
    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 organometallic compound of Formula 1, as defined herein. The first electrode includes an anode, and the second electrode includes a cathode.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: July 14, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haejin Kim, Soobyung Ko, Sungbum Kim, Sujin Shin, Eunsoo Ahn, Jaesung Lee
  • Light emitting device and organometallic compound for light emitting device
    Patent number: 12677588
    Abstract: A light emitting device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer includes an organometallic compound represented by Formula 1, thereby showing long life and high efficiency.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: July 7, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunsoo Ahn, Soo-Byung Ko, Sungbum Kim, Eunyoung Lee, Jaesung Lee, Jinhee Ju
  • Light-emitting device including organometallic compound, electronic apparatus including the light-emitting device, and organometallic compound
    Patent number: 12655167
    Abstract: A light-emitting device may include an organometallic compound represented by Formula 1, and an electronic apparatus may include the light-emitting device including the organometallic compound represented by Formula 1. The light-emitting device may further include: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode, the interlayer comprising an emission layer: wherein the detailed description of Formula 1 is the same as described in the present specification.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: June 16, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunjung Lee, Iljoon Kang, Sungbum Kim, Eunsoo Ahn, Eunyoung Lee, Jaesung Lee, Mina Jeon
  • Organometallic compound and light-emitting device including the same
    Patent number: 12649756
    Abstract: An organometallic compound represented by Formula 1, which is explained in the specification, is provided. A light-emitting device is provided, which 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 the organometallic compound.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: June 9, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghoon Han, Iljoon Kang, Soobyung Ko, Eunsoo Ahn, Jaesung Lee, Hyunjung Lee
  • Organometallic compound and light-emitting device including the same
    Patent number: 12615958
    Abstract: Provided are an organometallic 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: Grant
    Filed: February 4, 2022
    Date of Patent: April 28, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaesung Lee, Sujin Shin, Eunsoo Ahn, Eunyoung Lee, Hyunjung Lee, Junghoon Han
  • Light-emitting device
    Patent number: 12559671
    Abstract: Provided are an organometallic compound, a light-emitting device including the organometallic 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, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer. The emission layer includes a first compound which is the organometallic compound; and a second compound, a third compound, a fourth compound, or any combination thereof. The first compound, the second compound, the third compound, and the fourth compound are different from one another.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: February 24, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sujin Shin, Soobyung Ko, Haejin Kim, Eunsoo Ahn, Jaesung Lee, Mina Jeon
  • Organometallic compound, organic light-emitting device including the same, and apparatus including the light-emitting device
    Patent number: 12534665
    Abstract: Provided are an organometallic compound, an organic light-emitting device including the same, and an apparatus including the organic light-emitting device. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer including an emission layer between the first electrode and the second electrode, wherein the organic layer includes the organometallic compound.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: January 27, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soobyung Ko, Eunsoo Ahn, Hyunjung Lee, Mina Jeon, Sungbum Kim, Sujin Shin, Eunyoung Lee, Jaesung Lee, Jihyung Lee, Junghoon Han
  • Organic electroluminescence device and organometallic compound for organic electroluminescence device
    Patent number: 12532655
    Abstract: An organic electroluminescence device includes: a first electrode; a hole transport region disposed on the first electrode; an emission layer disposed on the hole transport region; an electron transport region disposed on the emission layer; and a second electrode disposed on the electron transport region, wherein the emission layer includes an organometallic compound of Formula 1: wherein, in Formula 1, the variables are described herein.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: January 20, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunjung Lee, Sungbum Kim, Eunsoo Ahn, Eunyoung Lee, Jaesung Lee, Mina Jeon
  • Light-emitting device and electronic apparatus including same
    Patent number: 12520717
    Abstract: A light-emitting device includes a first compound represented by Formula 1; and a second compound, a third compound, a fourth compound, or any combination thereof, each having a specific formula: emitting device may have excellent driving voltage, current density, high luminescence efficiency, and long lifespan, and may be used in the manufacture of a high quality electronic apparatus.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: January 6, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soobyung Ko, Sujin Shin, Eunsoo Ahn, Jaejin Lyu, Jihyung Lee, Junghoon Han
  • Organic light-emitting device and organometallic compound
    Patent number: 12501821
    Abstract: Provided are an organometallic compound represented by Formula 1 and an organic light-emitting device including a first compound represented by Formula 1.
    Type: Grant
    Filed: January 17, 2024
    Date of Patent: December 16, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soobyung Ko, Mina Jeon, Sungbum Kim, Sujin Shin, Eunsoo Ahn, Eunyoung Lee, Jaesung Lee, Jihyung Lee, Hyunjung Lee, Junghoon Han
  • Organometallic compound and light-emitting device including the same
    Patent number: 12486297
    Abstract: A light-emitting device includes a first compound being an organometallic compound represented by Formula 1. The light-emitting device may further include a second compound including at least one ? electron-deficient nitrogen-containing C1-C60 cyclic group, a third compound including a group represented by Formula 3, a fourth compound configured to emit delayed fluorescence, or any combination thereof, wherein the first compound, the second compound, the third compound, and the fourth compound are different from each other.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: December 2, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunyoung Lee, Soobyung Ko, Haejin Kim, Eunsoo Ahn, Hyunjung Lee, Mina Jeon
  • Organometallic compound and organic light-emitting device including the same
    Patent number: 12477943
    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 at least one organometallic compound represented by Formula 1:
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: November 18, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sungbum Kim, Soobyung Ko, Junghoon Han, Sujin Shin, Eunsoo Ahn, Eunyoung Lee, Jaesung Lee, Hyunjung Lee, Mina Jeon
  • ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND, AND APPARATUS INCLUDING ORGANOMETALLIC COMPOUND
    Publication number: 20250340778
    Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an apparatus including the organometallic compound. The organic light-emitting device includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes the organometallic compound.
    Type: Application
    Filed: July 9, 2025
    Publication date: November 6, 2025
    Inventors: Eunsoo AHN, Soobyung KO, Hyunjung LEE, Mina JEON, Sungbum KIM, Haejin KIM, Sujin SHIN, Eunyoung LEE, Jaesung LEE, Junghoon HAN
  • ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND, AND APPARATUS INCLUDING ORGANOMETALLIC COMPOUND
    Publication number: 20250333647
    Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an apparatus including the organometallic compound. The organic light-emitting device includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes the organometallic compound.
    Type: Application
    Filed: July 9, 2025
    Publication date: October 30, 2025
    Inventors: Eunsoo AHN, Soobyung KO, Hyunjung LEE, Mina JEON, Sungbum KIM, Haejin KIM, Sujin SHIN, Eunyoung LEE, Jaesung LEE, Junghoon HAN
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20250326780
    Abstract: An organometallic 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 including an emission layer; and at least one of the organometallic compound represented by Formula 1.
    Type: Application
    Filed: June 27, 2025
    Publication date: October 23, 2025
    Inventors: Mina JEON, Soobyung KO, Eunsoo AHN, Hyunjung LEE, Sungbum KIM, Haejin KIM, Sujin SHIN, Eunyoung LEE, Jaesung LEE, Junghoon HAN
  • Organic electroluminescence device and organometallic compound for organic electroluminescence device
    Patent number: 12426496
    Abstract: An organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer may include an organometallic compound represented by Formula 1 to thereby exhibit a long service life and/or high efficiency:
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: September 23, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghoon Han, Soo-Byung Ko, Sungbum Kim, Sujin Shin, Eunsoo Ahn, Jaesung Lee
  • Organometallic compound and organic light-emitting device including the same
    Patent number: 12398163
    Abstract: An organometallic 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 including an emission layer; and at least one of the organometallic compound represented by Formula 1.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: August 26, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mina Jeon, Soobyung Ko, Eunsoo Ahn, Hyunjung Lee, Sungbum Kim, Haejin Kim, Sujin Shin, Eunyoung Lee, Jaesung Lee, Junghoon Han
  • Organometallic compound and organic light-emitting device including the same
    Patent number: 12398317
    Abstract: Provided are an organometallic compound and an organic light-emitting device including the same.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: August 26, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghoon Han, Soobyung Ko, Sungbum Kim, Sujin Shin, Eunsoo Ahn, Jaesung Lee, Mina Jeon, Youngkook Kim
  • Organometallic compound, light-emitting device including the same, and electronic apparatus including the light-emitting device
    Patent number: 12391715
    Abstract: A light-emitting device includes a first compound represented by Formula 1, for example, in an emission layer of the device as a dopant or emitter.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: August 19, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunsoo Ahn, Soobyung Ko, Sungbum Kim, Eunyoung Lee, Jaesung Lee
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20250257089
    Abstract: 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, the organic layer including an emission layer, wherein the organic light-emitting device includes an organometallic compound represented by Formula 1.
    Type: Application
    Filed: April 28, 2025
    Publication date: August 14, 2025
    Inventors: Haejin Kim, Soobyung Ko, Sungbum Kim, Eunsoo Ahn, Eunyoung Lee, Jaesung Lee