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).

  • 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
  • Compound and organic electronic device comprising same
    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
  • POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    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
  • ORGANIC LIGHT EMITTING DEVICE
    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
  • 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
  • NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
    Publication number: 20200358006
    Abstract: Provided is a compound of Chemical Formula 1: wherein: L is a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing at least one selected from the group consisting of N, O and S, and Ar is a substituted or unsubstituted C2-60 heteroaryl containing at least one selected from the group consisting of N, O and S, and to an organic light emitting device comprising the same.
    Type: Application
    Filed: May 2, 2019
    Publication date: November 12, 2020
    Inventors: Sunmin KIM, Yongbum CHA, Sang Young JEON, Yeon Hwan 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
  • Double spiro compound and organic light-emitting element comprising same
    Patent number: 10730812
    Abstract: The present specification relates to a double spiro structure compound and an organic light emitting device including the same.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: August 4, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh
  • Compound and organic light emitting device containing same
    Patent number: 10651411
    Abstract: The present specification relates to a novel compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: May 12, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Seong So Kim, Jemin Ryu
  • 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
  • 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
  • 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
  • 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 ELEMENT
    Publication number: 20200035930
    Abstract: Provided is an organic light emitting device including an anode; a cathode; and a light emitting layer provided between the anode and cathode, wherein an electron control layer provided between the light emitting layer and the cathode and including a compound of Chemical Formula 1: is included, and the light emitting layer includes a compound of Chemical Formula 3:
    Type: Application
    Filed: June 29, 2018
    Publication date: January 30, 2020
    Inventors: Dong Uk HEO, Dong Hoon LEE, Jungoh HUH, Boonjae JANG, Yongbum CHA, Miyeon HAN, Junghoon YANG, Heekyung YUN
  • 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
  • Heterocyclic compound and organic light emitting device comprising the same
    Patent number: 10519166
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: December 31, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Wanpyo Hong, Dongheon Kim, Hyoungcheul Kim, Yongbum Cha, Yun Hwan Kim