Patents by Inventor Yongbum CHA

Yongbum CHA 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: 20210296593
    Abstract: Provided is a compound of Chemical Formula 1: wherein, in Chemical Formula 1: X1 to X3 are each independently N or CH, provided that at least one of X1 to X3 is N; X4 to X6 are each independently N or CH, provided that at least one of X4 to X6 is N; Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing any one or more selected from the group consisting of N, O, and S; L1 to L3 are each independently a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing any one or more selected from the group consisting of N, O, and S; and n is 1 or 2, and an organic light emitting device including the same.
    Type: Application
    Filed: August 2, 2019
    Publication date: September 23, 2021
    Inventors: Yongbum CHA, Sung Kil HONG, Dong Uk HEO, Wanpyo HONG, Sujeong GEUM
  • Publication number: 20210288264
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Application
    Filed: May 27, 2021
    Publication date: September 16, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Yongbum Cha, Minyoung Kang, Miyeon Han, Min Woo Jung
  • Patent number: 11094889
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: August 17, 2021
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Yongbum Cha, Minyoung Kang, Miyeon Han, Min Woo Jung
  • Patent number: 11081650
    Abstract: The present specification provides a compound having a spiro structure represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein R1 to R8, p, q, r, s, t, u, X and Y are defined therein.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: August 3, 2021
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Sang Duk Suh
  • Patent number: 11050026
    Abstract: The present specification provides a compound having a spiro structure and an organic light emitting device including the same.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: June 29, 2021
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Sang Duk Suh
  • Publication number: 20210184121
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: W1 and W2 are the same as or different from each other, and each independently is O or S; A1 and A2 each independently is a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; R1 to R7 each independently is hydrogen, deuterium, a nitrile group, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and R1 to R7, A1 and A2 bond to adjacent substituents to form a substituted or unsubstituted ring, and an organic light-emitting device including the same.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 17, 2021
    Inventors: Sang Duk SUH, Sung Kil HONG, Yongbum CHA, Seong So KIM, Minseung CHUN
  • Patent number: 11031560
    Abstract: The present application relates to a compound and an organic electronic device comprising the same.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: June 8, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Sung Kil Hong, Hyok Joon Kwon, Minjun Kim
  • Patent number: 11001752
    Abstract: The present specification provides a novel compound capable of greatly enhancing lifespan, efficiency, electrochemical stability and thermal stability of an organic electronic device, and an organic electronic device containing the compound in an organic compound layer.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: May 11, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Sung Kil Hong, Seongmi Cho
  • Patent number: 10991886
    Abstract: The present specification provides an amine-based compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: April 27, 2021
    Inventors: Yongbum Cha, Sung Kil Hong, Jin Joo Kim
  • Publication number: 20210119137
    Abstract: Provided is a compound of Chemical Formula 1: wherein X1 is N or CRa, X2 is N or CRb, X3 is N or CRc, and one or more of X1 to X3 are N; Ar1 and Ar2 each independently is a substituted or unsubstituted alkyl, aryl group, or heteroaryl group; Ar3 is a substituted or unsubstituted aryl or heteroaryl group; L is a substituted or unsubstituted arylene group; R1 and R2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl or aryl group, or bond to each other to form a ring; R3 and Ra to Rc each independently is a hydrogen, deuterium, halogen, nitrile, nitro, hydroxyl, or a substituted or unsubstituted group selected from among a silyl, boron, alkyl, cycloalkyl, alkoxy, aryloxy, alkylthioxy, arylthioxy, alkylsulfoxy, arylsulfoxy, alkenyl, aralkyl, aralkenyl, alkylaryl, arylphosphine, phosphine oxide, aryl, or a heteroaryl group, or bond to adjacent groups to form a ring; a3 is 1 to 6; and n is 1 to 5, and an organic light emitting device comprising the same.
    Type: Application
    Filed: January 25, 2019
    Publication date: April 22, 2021
    Inventors: Yongbum CHA, Sung Kil HONG, Seong So KIM, Minseung CHUN, Sang Duk SUH
  • Publication number: 20210114998
    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: Application
    Filed: March 8, 2019
    Publication date: April 22, 2021
    Inventors: Dong Uk HEO, Jin Joo KIM, Dong Hoon LEE, Jungoh HUH, Yongbum CHA, Wanpyo HONG
  • Patent number: 10981876
    Abstract: The present specification provides a spiro structured compound represented by the following Chemical Formula 1 and an organic light emitting device including the same: wherein L1, n, Ar1, R1 to R7, p, q, r, s, and t are defined herein.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: April 20, 2021
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh
  • Patent number: 10968230
    Abstract: The present specification relates to a spiro compound and an organic electronic device including the same.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: April 6, 2021
    Inventors: Yongbum Cha, Sung Kil Hong, Jungbum Kim, Dong Uk Heo, Sung Jae Lee
  • Patent number: 10957857
    Abstract: The present specification relates to a multicyclic compound and an organic light-emitting device including the same. The multicyclic compound of Chemical Formula 1 used in one or more organic material layers of the organic light emitting device provides enhanced efficiency, decreased driving voltage and enhanced lifespan property of the organic light emitting device.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: March 23, 2021
    Assignee: LG CHEM LTD.
    Inventors: Yongbum Cha, Sang Young Jeon, Sung Jae Lee, Sung Kil Hong
  • 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
  • Publication number: 20210050528
    Abstract: An organic light emitting device including: a positive electrode; a negative electrode facing the positive electrode; a light emitting layer between the positive electrode and the negative electrode; a first organic material layer comprising a compound of Formula 1 provided between the negative electrode and the light emitting layer; and a second organic material layer comprising at least one compound of Formulae 2 or 3 provided between the negative electrode and the first organic material layer: wherein the first organic layer at least one of X1 to X3 is N, at least one of X4 to X6 is N, at least one of X7 to X9 is N, and at least one of X10 to X12 is N, and each remaining one is CH;
    Type: Application
    Filed: January 28, 2019
    Publication date: February 18, 2021
    Inventors: Yongbum CHA, Boonjae JANG, Sung Kil HONG, Sang Duk SUH
  • Patent number: 10903431
    Abstract: The present application relates to a compound and an organic electronic device including the same.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: January 26, 2021
    Inventors: Yongbum Cha, Wanpyo Hong
  • Publication number: 20210020848
    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: Application
    Filed: March 6, 2019
    Publication date: January 21, 2021
    Inventors: Junghoon YANG, Dong Hoon LEE, Jungoh HUH, Yongbum CHA, Dong Uk HEO, Miyeon HAN, Jae Tak LEE, Heekyung YUN
  • Publication number: 20210013422
    Abstract: Provided is an organic light emitting device including an anode; a cathode; and a light emitting layer provided between the anode and the cathode, the device further including an electron control layer provided between the light emitting layer and the cathode and including a compound of Chemical Formula 1: and an electron transfer layer provided between the electron control layer and the cathode and including a compound of Chemical Formula 3:
    Type: Application
    Filed: May 29, 2018
    Publication date: January 14, 2021
    Inventors: Dong Uk HEO, Dong Hoon LEE, Jungoh HUH, Boonjae JANG, Yongbum CHA, Miyeon HAN, Junghoon YANG, Heekyung YUN
  • Patent number: 10873035
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: December 22, 2020
    Inventors: Yongbum Cha, Seongmi Cho, Jungbum Kim, Sung Kil Hong, Jiwon Kwak