Patents by Inventor Hyeon Jin MUN

Hyeon Jin MUN 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).

  • NOVEL COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING THE SAME
    Publication number: 20250019340
    Abstract: The present disclosure relates to a novel organic light emitting material and an organic light emitting device including the same.
    Type: Application
    Filed: October 31, 2022
    Publication date: January 16, 2025
    Inventors: Sung Jae LEE, Sung Kil HONG, Minjun KIM, Hyeon Soo JEON, Joo Ho KIM, Hyeon Jin MUN
  • Organic light emitting diode
    Patent number: 12069944
    Abstract: An organic light emitting device including a first electrode; a second electrode provided to face the first electrode; and an organic material layer having one, two or more layers provided between the first electrode and the second electrode, wherein the organic material layer includes a first organic material layer including a compound of Chemical Formula 1 and a second organic material layer including a compound of Chemical Formula 2.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: August 20, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Sung Jae Lee, Sung Kil Hong, Yongbum Cha, Woo Jin Cho, Joo Yong Yoon, Hyeon Jin Mun
  • Compound and organic light emitting device comprising the same
    Patent number: 11926607
    Abstract: The present disclosure provides a compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. The compound is used as a material of an organic material layer of the organic light emitting device.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: March 12, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jaegoo Lee, Sung Kil Hong, Sung Jae Lee, Hyeon Jin Mun
  • Amine based compound and organic light emitting device comprising the same
    Patent number: 11659764
    Abstract: Provided is an amine based compound of Chemical Formula 1: and an organic electroluminescent device comprising the same. The amine based compound can be used as a material of an organic material layer of an organic electroluminescent device, and can achieve an improvement of the efficiency, a low driving voltage and/or an improvement of the lifetime characteristic when applied to the organic electroluminescent device.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: May 23, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jae Seung Ha, Sung Jae Lee, Hyeon Jin Mun
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20220348597
    Abstract: An organic light emitting device comprising a light emitting layer including a compound of Chemical Formula 1, and a first organic material layer including a compound of Chemical Formula 2.
    Type: Application
    Filed: November 27, 2020
    Publication date: November 3, 2022
    Inventors: Hyeon Jin Mun, Sujeong Geum, Sung Kil Hong, Yongbum Cha, Jaegoo Lee
  • ORGANIC LIGHT EMITTING DIODE
    Publication number: 20220029101
    Abstract: An organic light emitting device including a first electrode; a second electrode provided to face the first electrode; and an organic material layer having one, two or more layers provided between the first electrode and the second electrode, wherein the organic material layer includes a first organic material layer including a compound of Chemical Formula 1 and a second organic material layer including a compound of Chemical Formula 2.
    Type: Application
    Filed: January 14, 2020
    Publication date: January 27, 2022
    Inventors: Sung Jae LEE, Sung KII HONG, Yongbum CHA, Woo Jin CHO, Joo Yong YOON, Hyeon Jin MUN
  • COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
    Publication number: 20210053934
    Abstract: The present disclosure provides a compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. The compound is used as a material of an organic material layer of the organic light emitting device.
    Type: Application
    Filed: July 3, 2019
    Publication date: February 25, 2021
    Inventors: Yongbum Cha, Jaegoo Lee, Sung Kil Hong, Sung Jae Lee, Hyeon Jin Mun
  • ORGANIC LIGHT-EMITTING DIODE
    Publication number: 20200343450
    Abstract: Provided is an organic light-emitting diode comprising: a positive electrode; a negative electrode provided to face the positive electrode; a light-emitting layer provided between the positive electrode and the negative electrode; a hole adjusting layer having one or more layers provided between the positive electrode and the light-emitting layer, in which one or more layers of the hole adjusting layers includes at least one compound of Formulae 1 or Formula 2, and the light-emitting layer includes a compound of Formula 3: wherein: G1 to G4 are each independently a substituted or unsubstituted alkyl or aryl group; L1 to L7 are each independently a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; at least one of X1 to X3 is N, and any remaining is each CR8; and Ar1 to Ar6 are each independently a substituted or unsubstituted aryl or heteroaryl group, or Ar2 and Ar3 together form a substituted or unsubstituted hetero ring.
    Type: Application
    Filed: January 11, 2019
    Publication date: October 29, 2020
    Inventors: Jae Seung HA, Yeon Hwan KIM, Min Woo LEE, Hyeon Jin MUN
  • AMINE BASED COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
    Publication number: 20200194673
    Abstract: Provided is an amine based compound of Chemical Formula 1: and an organic electroluminescent device comprising the same. The amine based compound can be used as a material of an organic material layer of an organic electroluminescent device, and can achieve an improvement of the efficiency, a low driving voltage and/or an improvement of the lifetime characteristic when applied to the organic electroluminescent device.
    Type: Application
    Filed: November 15, 2018
    Publication date: June 18, 2020
    Inventors: Jae Seung HA, Sung Jae LEE, Hyeon Jin MUN
  • NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20200106017
    Abstract: Provided is a compound of Chemical Formula 1: and an organic light emitting device using the same.
    Type: Application
    Filed: September 14, 2018
    Publication date: April 2, 2020
    Inventors: Jae Seung HA, Sung Jae LEE, Hyeon Jin MUN