Patents Assigned to DuPont Specialty Materials Korea Ltd.
  • Coating composition for forming resist underlayer film for EUV lithography process
    Patent number: 12228858
    Abstract: A monomer represented by Chemical Formula (1): wherein, X, Y, and Z are the same as described in the specification, and the polymer including repeat units derived from the monomer.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: February 18, 2025
    Assignee: DUPONT SPECIALTY MATERIALS KOREA LTD
    Inventors: Jae Hwan Sim, Suwoong Kim, Jin Hong Park, Myung Yeol Kim, Yoo-Jin Ghang, Jae-Bong Lim
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME
    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
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME
    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
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME
    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
  • UV curable silicone composition and an encapsulant or a sheet film thereof
    Patent number: 12104061
    Abstract: A UV curable silicone composition has exceptional curability by ultraviolet irradiation.
    Type: Grant
    Filed: July 10, 2023
    Date of Patent: October 1, 2024
    Assignees: DuPont Toray Specialty Materials Kabushiki Kaisha, DuPont Electronic Materials International, LLC, DuPont Specialty Materials Korea Ltd.
    Inventors: Shunya Takeuchi, Anna Ya Ching Feng, Yutaka Oka, Jung Hye Chae