Patents by Inventor Kusun CHOUNG

Kusun CHOUNG 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: 20250143165
    Abstract: The present disclosure relates to an emission layer including a dopant material containing an organometallic compound represented by Chemical Formula 1 and host materials containing a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3, and an organic light emitting diode including the same, and it is possible to achieve the characteristics of the organic light emitting diode, such as high luminous efficiency and long lifetime.
    Type: Application
    Filed: September 11, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Kusun Choung, Taeryang Hong, Hansol Park
  • Publication number: 20250143063
    Abstract: An emission material layer has a dopant material containing an organometallic compound represented by Chemical Formula 1 and host materials with a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3, and an organic light emitting diode including the same. The organic light emitting diode has characteristics such as high luminous efficiency and long lifetime.
    Type: Application
    Filed: July 23, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Kusun Choung, Taeryang Hong, Hansol Park
  • Publication number: 20250143166
    Abstract: The present disclosure relates to an emission layer including a dopant material containing an organometallic compound represented by Chemical Formula 1 and host materials containing a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3, and an organic light emitting diode including the same, and it is possible to achieve the characteristics of the organic light emitting diode, such as high luminous efficiency and long lifetime.
    Type: Application
    Filed: September 12, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Kusun Choung, Taeryang Hong, Hansol Park
  • Publication number: 20250143066
    Abstract: The present disclosure relates to an emission layer including a dopant material containing an organometallic compound represented by Chemical Formula 1 and host materials containing a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3, and an organic light emitting diode including the same, and it is possible to achieve the characteristics of the organic light emitting diode, such as high luminous efficiency and long lifetime.
    Type: Application
    Filed: September 12, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Taeryang Hong, Hansol Park, Kusun Choung
  • Publication number: 20250143069
    Abstract: An organic light emitting diode includes a first electrode, a second electrode facing the first electrode, and an intermediate layer disposed between the first electrode and the second electrode. The intermediate layer includes an emission layer including: a dopant material including an organometallic compound represented by Chemical Formula 1, and a host material including a mixture including a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3.
    Type: Application
    Filed: September 12, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Kusun Choung, Taeryang Hong, Hansol Park
  • Publication number: 20250143163
    Abstract: An organic light emitting diode includes a first electrode, a second electrode facing the first electrode, and an intermediate layer disposed between the first electrode and the second electrode. The intermediate layer includes an emission layer including: a dopant material including an organometallic compound represented by Chemical Formula 1, and a host material including a mixture including a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3.
    Type: Application
    Filed: August 21, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Hansol Park, Taeryang Hong, Kusun Choung
  • Publication number: 20250143064
    Abstract: An organic light emitting diode includes a first electrode, a second electrode facing the first electrode, and an intermediate layer disposed between the first electrode and the second electrode. The intermediate layer includes an emission layer including: a dopant material including an organometallic compound represented by Chemical Formula 1, and a host material including a mixture including a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3.
    Type: Application
    Filed: September 3, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Taeryang Hong, Hansol PARK, Kusun Choung
  • Publication number: 20250143164
    Abstract: The present disclosure relates to an emission layer including a dopant material containing an organometallic compound represented by Chemical Formula 1 and host materials containing a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3, and an organic light emitting diode including the same. It may be possible to achieve the characteristics of the organic light emitting diode, such as desirable luminous efficiency and long lifetime.
    Type: Application
    Filed: August 21, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Hansol Park, Taeryang Hong, Kusun Choung
  • Publication number: 20250143167
    Abstract: An organic light emitting diode includes a first electrode, a second electrode facing the first electrode, and an intermediate layer disposed between the first electrode and the second electrode. The intermediate layer includes an emission layer including: a dopant material including an organometallic compound represented by Chemical Formula 1, and a host material including a mixture including a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3.
    Type: Application
    Filed: September 12, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Hansol Park, Taeryang Hong, Kusun Choung
  • Publication number: 20240392184
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: May 14, 2024
    Publication date: November 28, 2024
    Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.
    Inventors: Yoojeong Jeong, Misang Yoo, Hansol Park, Kusun Choung, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240376376
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: May 7, 2024
    Publication date: November 14, 2024
    Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.
    Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20240381758
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: May 7, 2024
    Publication date: November 14, 2024
    Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.
    Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20240360168
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: April 25, 2024
    Publication date: October 31, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Kusun Choung, Hansol Park, Nayeon Lee, Gyuhyeong Kim, Soonjae Hwang
  • Publication number: 20240287112
    Abstract: Disclosed are an organometallic compound, more particularly, an organometallic compound having phosphorescent properties, and an organic light-emitting diode containing the same. The organometallic compound is represented by Ir(LA)n(LB)3-n, where n is an integer of 1 to 3, LA is a ligand represented by one of Chemical Formula 1-1, Chemical Formula 1-2, and Chemical Formula 1-3, and LB is a bidentate ligand.
    Type: Application
    Filed: January 18, 2024
    Publication date: August 29, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Hansol Park, Misang Yoo, Yoojeong Jeong, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240287113
    Abstract: Disclosed are an organometallic compound represented by Chemical Formula 1, and an organic light-emitting diode containing the same.
    Type: Application
    Filed: January 26, 2024
    Publication date: August 29, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Yoojeong Jeong, Misang Yoo, Hansol Park, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240284776
    Abstract: Disclosed are a structure of an organic light-emitting diode capable of lowering an operation voltage, and improving luminous efficacy and lifetime of an organic light-emitting diode, and a material thereof.
    Type: Application
    Filed: December 29, 2023
    Publication date: August 22, 2024
    Inventors: Sangbeom Kim, Seongsu Jeon, Youngjun Yu, Seonkeun Yoo, Kusun Choung
  • Publication number: 20240284779
    Abstract: Disclosed are an organometallic compound used as a phosphorescent dopant material of a light-emitting layer of an organic light-emitting diode, and the organic light-emitting diode containing the organometallic compound. The organometallic compound is represented by Ir(LA)m(LB)n, where LA is a ligand having a structure represented by Chemical Formula 2, and LB is a bidentate ligand.
    Type: Application
    Filed: January 22, 2024
    Publication date: August 22, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Yoojeong Jeong, Misang Yoo, Hansol Park, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240284780
    Abstract: An organometallic compound represented by Chemical Formula 1, and an organic light-emitting diode containing the same. In the Chemical Formula 1, Z represents one of O (oxygen), S (sulfur) or Se (selenium), m is 1 or 2, n is an integer from 0 to 2, and X Y is a bidentate ligand.
    Type: Application
    Filed: January 29, 2024
    Publication date: August 22, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Hansol Park, Misang Yoo, Yoojeong Jeong, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240268214
    Abstract: Disclosed are an organometallic compound used as a phosphorescent dopant material of a light-emitting layer of an organic light-emitting diode, and an organic light-emitting diode containing the same. The organometallic compound is represented by Ir(LA)m(LB)n. An organic light-emitting diode includes a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode. The organic layer includes a light-emitting layer that contains the organometallic compound disclosed herein.
    Type: Application
    Filed: January 18, 2024
    Publication date: August 8, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240260446
    Abstract: An organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode. The organic layer includes a light-emitting layer that includes a dopant material including an organometallic compound represented by Chemical Formula 1, and a host material including a mixture including a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3. The organic light-emitting diode may have excellent or desirable light-emitting efficiency and lifespan.
    Type: Application
    Filed: December 21, 2023
    Publication date: August 1, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Hansol PARK, Misang YOO, Yoojeong JEONG, Kusun CHOUNG