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).

  • 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: 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
  • NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
    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
  • Double spiro-type compound and organic light emitting diode comprising same
    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
  • ORGANIC LIGHT-EMITTING DEVICE
    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
  • ORGANIC LIGHT EMITTING DEVICE
    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
  • Heterocyclic compound and organic light emitting diode containing same
    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
  • Amine-based compound and organic light-emitting element comprising same
    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
  • Heterocyclic compound and organic light emitting diode containing same
    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
  • Heterocyclic compound and organic light emitting element comprising same
    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
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20200287142
    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 |EaEl
    Type: Application
    Filed: May 3, 2019
    Publication date: September 10, 2020
    Inventors: Jungoh HUH, Sangbin LEE, Sung Kil HONG
  • COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME
    Publication number: 20200266356
    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: Application
    Filed: March 22, 2019
    Publication date: August 20, 2020
    Inventors: Jungoh HUH, Sung Kil HONG, Dong Uk HEO, Miyeon HAN, Jae Tak LEE, Junghoon YANG, Heekyung YUN
  • Heterocyclic compound and organic light emitting element comprising same
    Patent number: 10700289
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: June 30, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Miyeon Han, Sung Kil Hong, Dong Hoon Lee, Hyungjin Lee, Boojae Jang, Minyong Kang, Dong Uk Heo, Wooyung Jung
  • COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20200131124
    Abstract: Provided is a compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Application
    Filed: July 27, 2018
    Publication date: April 30, 2020
    Inventors: Sang Duk SUH, Sung Kil HONG, Seong So KIM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE CONTAINING SAME
    Publication number: 20200123138
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: February 24, 2017
    Publication date: April 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seongmi Cho, Jungbum Kim, Sung Kil Hong, Jiwon Kwak
  • Polycyclic compound and organic light-emitting element comprising same
    Patent number: 10580996
    Abstract: The present specification provides a multicyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: March 3, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Wanpyo Hong, Sung Kil Hong
  • Hetero ring compound and organic luminescent element comprising same
    Patent number: 10577355
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: March 3, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jin Joo Kim, Sung Kil Hong, Yongbum Cha
  • Compound and organic electronic element comprising same
    Patent number: 10573824
    Abstract: The present specification relates to a compound and an organic electronic device comprising the same.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: February 25, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Kichul Koo
  • POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20200048232
    Abstract: The present application relates to a compound of Chemical Formula 1 and an organic light emitting device including the same.
    Type: Application
    Filed: October 20, 2017
    Publication date: February 13, 2020
    Inventors: Yongbum CHA, Jin Joo KIM, Sung Kil HONG, Seong So KIM
  • Organic light emitting device
    Patent number: 10547008
    Abstract: The present specification provides an organic light emitting device.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: January 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Sung Kil Hong, Seong So Kim, Jemin Ryu