Patents by Inventor Sung Kil Hong

Sung Kil Hong 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: 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
  • Publication number: 20210143344
    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: Application
    Filed: June 7, 2019
    Publication date: May 13, 2021
    Inventors: Miyeon HAN, Sung Kil HONG, Dong Hoon LEE, Jungoh HUH, Hyungjin LEE, Dongheon 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: 10995098
    Abstract: The present invention relates to a cyclic compound having a novel structure and an organic light emitting device comprising the same. The cyclic compound of Chemical Formula 1 used in an organic material layer of the organic light emitting device provides improved driving voltage, light efficiency, and lifetime characteristics.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: May 4, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Sung Kil Hong, Kyung Seok Jeong
  • Patent number: 10991887
    Abstract: The present specification provides an amine compound and an organic light emitting device including the same.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: April 27, 2021
    Inventors: Jae Seung Ha, Sung Kil Hong, Sang Duk Suh
  • 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
  • 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
  • Patent number: 10950801
    Abstract: Provided is an organic light emitting device including a cathode; an anode provided opposite to the cathode; a light emitting layer provided between the cathode and the anode; and an organic material layer provided between the cathode and the light emitting layer, and including Compound (A) including a heteroatom and a cyano group, wherein Compound (A) satisfies Equation 1 and Equation 2: |PElCN|?3debye??Equation 1 wherein: |PElCN| means an absolute value of a dipole moment of Compound (A); ? P EI C ? N ? ? P EI ? > ? Ea EI CN ? ? Ea EI ? Equation ? ? 2 wherein: |PElCN| means an absolute value of a dipole moment of Compound (A); |PEl| means an absolute value of a dipole moment of a compound having the same core as the compound of |PElCN| without including a cyano group; |EaElCN| means an absolute value of electron affinity of Compound (A); and |EaEl| means an absolute value of electron affinity of a compound having the same core as the compound of |EaElC
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: March 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jungoh Huh, Sangbin 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
  • Publication number: 20210040038
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Application
    Filed: May 31, 2018
    Publication date: February 11, 2021
    Inventors: Sang Duk SUH, Wanpyo HONG, Sung Kil HONG
  • Patent number: 10910567
    Abstract: The present specification provides a double spiro structured compound and an organic light emitting device including the same.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: February 2, 2021
    Inventors: Jae Seung Ha, Sung Kil Hong, Sang Duk Suh
  • Publication number: 20210020842
    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: Application
    Filed: June 7, 2019
    Publication date: January 21, 2021
    Inventors: Miyeon HAN, Sung Kil HONG, Dong Hoon LEE, Jungoh HUH, Hyungjin LEE, Dongheon KIM
  • Publication number: 20210009894
    Abstract: Provided is a compound of Chemical Formula 1: wherein: L11 is a single bond or a substituted or unsubstituted C6-60 arylene; L12 and L13 are each independently a single bond or a substituted or unsubstituted C6-60 arylene; R11 is a substituted or unsubstituted C6-60 aryl; R12 and R13 are each independently any one substituent selected from the group consisting of the following: wherein, each R? is independently a substituted or unsubstituted C6-60 aryl, and R14 and R15 are hydrogen, or are linked to each other, and an organic light emitting device including the same.
    Type: Application
    Filed: October 5, 2018
    Publication date: January 14, 2021
    Inventors: Jae Seung HA, Yeon Hwan KIM, Sang Young JEON, Sung Kil HONG, Yong Bum CHA, Seong Mi CHO
  • 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
  • Patent number: 10862045
    Abstract: The present specification provides an amine-based compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: December 8, 2020
    Inventors: Yongbum Cha, Sung Kil Hong, Jungbum Kim, Jin Joo Kim
  • Patent number: 10822330
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: November 3, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seongmi Cho, Jungbum Kim, Sung Kil Hong, Jiwon Kwak
  • Patent number: 10800969
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: October 13, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seongmi Cho, Sung Kil Hong, Jungbum Kim, Sung Jae Lee