Patents by Inventor Jungoh Huh

Jungoh Huh 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).

  • Patent number: 11968892
    Abstract: Provided is an organic light emitting device comprising: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and an organic material layer provided between the cathode and the light emitting layer, wherein the light emitting layer comprises a compound of Chemical Formula 1, and the organic material layer provided between the cathode and the light emitting layer contains a compound of Chemical Formula 2.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: April 23, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jungoh Huh, Sung Kil Hong, Miyeon Han, Jae Tak Lee
  • Patent number: 11878962
    Abstract: Provided is a compound of Chemical Formula 1: wherein X is O or S; L1 and L2 each independently is a direct bond or a substituted or unsubstituted arylene group; X1 is N or CR1, X2 is N or CR2, X3 is N or CR3, and at least two of X1 to X3 are N; R1 to R3 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; Ar1 and Ar2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; positions at which ?is substituted with ?are asymmetric; m1, m2, n1 and n2 each independently is 0 or 1; and m1+m2 is 1, and n1+n2 is 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: January 23, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Dong Uk Heo, Jin Joo Kim, Dong Hoon Lee, Jungoh Huh, Yongbum Cha, Wanpyo Hong
  • Patent number: 11856852
    Abstract: Provided is an organic light-emitting device comprising: a first electrode; a second electrode provided to face the first electrode; and a first organic material layer and a second organic material layer provided between the first electrode and the second electrode, in which the first organic material layer includes a compound of Formula 1, and the second organic material layer includes a compound of Formula 2.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: December 26, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Miyeon Han, Sung Kil Hong, Dong Hoon Lee, Jungoh Huh, Hyungjin Lee, Dongheon Kim
  • Patent number: 11849636
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 19, 2023
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Yongbum Cha, Minyoung Kang, Miyeon Han, Min Woo Jung
  • Patent number: 11737358
    Abstract: Provided is a compound of Chemical Formula 1: HAr-L1-L2-Ar1 wherein: HAr is one of Chemical Formula A-1 or A-2: one of L1 and L2 is a substituted or unsubstituted monocyclic or polycyclic arylene group, or a substituted or unsubstituted monocyclic or polycyclic heteroarylene group, and the other one is a direct bond; and Ar1 is a cyano group, a substituted or unsubstituted phenyl group; a substituted or unsubstituted biphenyl group; a substituted or unsubstituted pyridinyl group; a substituted or unsubstituted triazinyl group; a substituted or unsubstituted polycyclic aryl group; or a substituted or unsubstituted polycyclic heteroaryl group, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: August 22, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jungoh Huh, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Jae Tak Lee, Junghoon Yang, Heekyung Yun
  • Patent number: 11737354
    Abstract: Provided is an organic light emitting device having between the cathode and a light emitting layer an an organic material layer containing a compound of any one of the following Chemical Formulae 1-2 to 1-4: wherein: X1 to X3 are each independently N or CH, and at least one of X1 to X3 is N; L1 is a substituted or unsubstituted monocyclic arylene group having 6 to 24 carbon atoms; Ar1 and Ar2 are the same as or different from each other, and are each independently a substituted or unsubstituted monocyclic or polycyclic aryl group having 6 to 20 carbon atoms; and Z1 is deuterium; and an organic material layer provided between the anode and the light emitting layer and including a spirobifluorene-monoamine based compound of Chemical Formula 2:
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: August 22, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jungoh Huh, Dong Hoon Lee
  • Patent number: 11737357
    Abstract: The present application relates to a compound of Chemical Formula 1 and an organic light emitting device including the same.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: August 22, 2023
    Inventors: Miyeon Han, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Minyoung Kang, Dong Uk Heo, Min Woo Jung
  • Patent number: 11730009
    Abstract: The present specification relates to a compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: August 15, 2023
    Inventors: Min Woo Jung, Dong Hoon Lee, Jungoh Huh
  • Publication number: 20230255104
    Abstract: The present application relates to a compound of Chemical Formula 1 and an organic light emitting device including the same: wherein Ar1 to Ar3, L1 and L2 are described herein.
    Type: Application
    Filed: March 23, 2023
    Publication date: August 10, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Miyeon Han, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Minyoung Kang, Dong Uk Heo, Min Woo Jung
  • Patent number: 11723268
    Abstract: The present specification relates to an organic light emitting device having high light emission efficiency.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: August 8, 2023
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Minyoung Kang, Miyeon Han, Min Woo Jung
  • Patent number: 11678574
    Abstract: Provided is a compound of Chemical Formula 1: HAr-L1-L2-Ar1??Chemical Formula 1 wherein: HAr is a group of the following Chemical Formula A-1 or A-2; L1 and L2 are the same as or different from each other, and each independently is a direct bond, a substituted or unsubstituted monocyclic or polycyclic arylene group, or a substituted or unsubstituted monocyclic or polycyclic heteroarylene group; and Ar1 is a substituted or unsubstituted monocyclic or polycyclic aryl group, or a substituted or unsubstituted monocyclic or polycyclic heteroaryl group; wherein: R1 to R3 are the same as or different from each other, and each independently is a substituted or unsubstituted linear or branched alkyl group; and is a site bonding to L1 of Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: June 13, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jungoh Huh, Sung Kil Hong, Dong Uk Heo, Miyeon Han, Jae Tak Lee, Junghoon Yang, Heekyung Yun
  • Patent number: 11653564
    Abstract: The present specification provides a compound of Chemical Formula 1 and an organic light emitting device including the same. The compound of Chemical Formula 1 used in an organic material layer of the organic light emitting device provides improved driving voltage and light efficiency, and increased service lifetime.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: May 16, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Minyoung Kang, Miyeon Han, Min Woo Jung
  • Patent number: 11641778
    Abstract: Provided are a compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: May 2, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jungha Lee, Dong Hoon Lee, Jungoh Huh, Seongmi Cho, Dong Uk Heo, Min Woo Jung
  • Patent number: 11634414
    Abstract: Provided is a hetero-cyclic compound of Chemical Formula 1: and an organic light emitting device comprising the same.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: April 25, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Seongmi Cho, Wanpyo Hong, Dong Hoon Lee, Jungoh Huh, Min Woo Jung, Jungha Lee
  • Publication number: 20230042871
    Abstract: A heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same, and the heterocyclic compound which is used as a material of an organic material layer of the organic light emitting device and provides improved efficiency, low driving voltage and improved lifetime characteristics of the organic light emitting device.
    Type: Application
    Filed: November 8, 2019
    Publication date: February 9, 2023
    Inventors: Dong Uk Heo, Sung Kil Hong, Jungoh Huh, Yongbum Cha, Miyeon Han, Jae Tak Lee, Junghoon Yang
  • Patent number: 11569453
    Abstract: Provided is a compound of Chemical Formula 1: where A and B each independently is a substituted or unsubstituted aryl group, a substituted or unsubstituted monocyclic or dicyclic heteroaryl group, a substituted or unsubstituted dibenzofuran group, a substituted or unsubstituted benzonaphthofuran group, a substituted or unsubstituted dibenzothiophene group, a substituted or unsubstituted benzonaphthothiophene group, a substituted or unsubstituted phenoxazine group, a substituted or unsubstituted phenothiazine group, a substituted or unsubstituted phenanthroline group, a substituted or unsubstituted benzoquinoline group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted silyl group, or a substituted or unsubstituted phosphine oxide group, or one of the following substituents: and an organic light emitting device including the same.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: January 31, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Junghoon Yang, Dong Hoon Lee, Jungoh Huh, Yongbum Cha, Dong Uk Heo, Miyeon Han, Jae Tak Lee, Heekyung Yun
  • Patent number: 11563184
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: January 24, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Min Woo Jung, Dong Hoon Lee, Jungoh Huh, Seongmi Cho, Jungha Lee
  • Patent number: 11542237
    Abstract: Provided is a fluorene derivative of Chemical Formula 1: and an organic light emitting device comprising the same.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: January 3, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Miyeon Han, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Dong Uk Heo, Junghoon Yang, Heekyung Yun
  • Patent number: 11542258
    Abstract: Provided is a novel heterocyclic compound of Chemical Formula 1: and to an organic light emitting device including the same.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: January 3, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jungoh Huh, Dong Hoon Lee, Boon Jae Jang, Dong Uk Heo, Miyeon Han, Junghoon Yang
  • Patent number: 11482677
    Abstract: The present specification relates to a compound and an organic electronic device including the same.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: October 25, 2022
    Inventors: Yongbum Cha, Sung Kil Hong, Jungoh Huh, Jin Joo Kim