Patents Assigned to MATERIAL SCIENCE CO., LTD.
  • Patent number: 12398159
    Abstract: The present disclosure relates to a novel organic compound and an organic electroluminescent device comprising the same, and more particularly, to an organic compound having excellent lifespan, efficiency, electrochemical stability, and thermal stability, and an organic electroluminescent device comprising the same.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: August 26, 2025
    Assignee: MATERIAL SCIENCE CO., LTD.
    Inventors: Dong Hun Lee, Kwang Seok Do, Ji Woong Yoo
  • Patent number: 12356851
    Abstract: The present invention relates to a novel organic compound and an organic light emitting device including the same, and more specifically provides an organic electroluminescent device with remarkably improved light emitting efficiency and service life.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: July 8, 2025
    Assignee: MATERIAL SCIENCE CO., LTD.
    Inventors: Tae Wan Lee, Jeong Hoe Heo, Dong hun Lee, Seong min Park, Sun Jae Kim, Sung Hoon Kim
  • Patent number: 12286450
    Abstract: The present disclosure relates to an organic electroluminescent element, and more particularly to an organic electroluminescent element including a novel boron-based organic compound and anthracene-based organic compound in one or more organic layers included in the organic electroluminescent element. The present disclosure may provide an organic electroluminescent element, which is prevented from deterioration in color characteristics and has characteristics such as long lifetimes, as a result of using a host material having a specific structural formula despite having high polarity.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: April 29, 2025
    Assignee: MATERIAL SCIENCE CO., LTD.
    Inventors: Sung Hoon Kim, Jae Ho Jeong, Hyun Bin Kang, Jin-sung Kim, Tae-ho Kwak
  • Patent number: 12156468
    Abstract: The present invention relates to a compound represented by Formula 1 and an organic electroluminescent element including the same, and provides an organic compound which is excellent in service life, efficiency, electrochemical stability, and thermal stability, and an organic electroluminescent element including the same.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: November 26, 2024
    Assignee: MATERIAL SCIENCE CO., LTD.
    Inventors: Jae Ho Jeong, Hyun Bin Kang, Jin Sung Kim, Tae Ho Kwak
  • Patent number: 12108659
    Abstract: Disclosed is an organic electroluminescent device. More specifically, disclosed is an organic electroluminescent device comprising at least one organic layer comprising at least two dopant compounds therein. The electroluminescent device employs both of a boron-based dopant and a pyrene-based dopant to provide improved color characteristics, efficiency and lifespan.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: October 1, 2024
    Assignees: LG Display Co., Ltd., Material Science Co., Ltd.
    Inventors: Inbum Song, Seunghee Yoon, Sang-Hoon Hong, Hyun Bin Kang, Jaemin Ryu
  • Patent number: 11744145
    Abstract: Disclosed is an organic electroluminescent device with lowered driving voltage, and enhanced efficiency and lifetime.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: August 29, 2023
    Assignees: LG DISPLAY CO., LTD., MATERIAL SCIENCE CO., LTD.
    Inventors: Inbum Song, Seunghee Yoon, Heejun Park, Seonkeun Yoo, Soyoung Jang, Sunghoon Kim, Seong-Min Park, Tae Wan Lee, Sunjae Kim, Dong Hun Lee, Jeonghoe Heo
  • Patent number: 11545630
    Abstract: Organic electroluminescent devices with lowered driving voltages, and enhanced efficiencies and lifetimes are provided.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: January 3, 2023
    Assignees: LG Display Co., Ltd., MATERIAL SCIENCE CO., LTD.
    Inventors: Inbum Song, Seunghee Yoon, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo, Seong-Min Park, Sunjae Kim
  • Patent number: 11342505
    Abstract: The present disclosure relates to a novel organic compound and an organic electroluminescent device including the same. More specifically, the present disclosure relates to a deuterated organic compound and an organic electroluminescent device including at least one organic layer made of the deuterated organic compound. Thus, the organic electroluminescent device exhibits a longer lifetime, lower voltage implementation, and improved luminous efficiency.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: May 24, 2022
    Assignees: MATERIAL SCIENCE CO., LTD., LG DISPLAY CO., LTD.
    Inventors: Seunghee Yoon, Inbum Song, Hyun Bin Kang, Jaemin Ryu, Jin Sung Kim, Tae-Ho Kwak, Sunghoon Kim
  • Publication number: 20200028084
    Abstract: Disclosed is an organic electroluminescent device. More specifically, disclosed is an organic electroluminescent device comprising at least one organic layer comprising at least two dopant compounds therein. The electroluminescent device employs both of a boron-based dopant and a pyrene-based dopant to provide improved color characteristics, efficiency and lifespan.
    Type: Application
    Filed: July 18, 2019
    Publication date: January 23, 2020
    Applicants: LG Display Co., Ltd., Material Science Co., Ltd.
    Inventors: Inbum SONG, Seunghee YOON, Sang-Hoon HONG, Hyun Bin KANG, Jaemin RYU
  • Publication number: 20190016666
    Abstract: The present invention relates to an adamantane derivative compound and an organic light-emitting diode (OLED) including the same, and more particularly, to an adamantane derivative compound capable of being used in an OLED and an OLED having excellent properties such as low voltage and high efficiency using the compound.
    Type: Application
    Filed: December 29, 2016
    Publication date: January 17, 2019
    Applicant: MATERIAL SCIENCE CO., LTD.
    Inventors: Jae Ho JEONG, Tae Wan LEE, Kwang Seok DO, Dong Hun LEE, Jin Sung KIM