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).

  • 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
  • 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 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
  • Heterocyclic Compound and Organic Light-emitting Element Including Same
    Publication number: 20190355915
    Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same.
    Type: Application
    Filed: April 13, 2018
    Publication date: November 21, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Yongbum Cha, Miyeon Han, Junghoon Yang, Heekyung Yun
  • DOUBLE-SPIRO TYPE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE CONTAINING SAME
    Publication number: 20190345082
    Abstract: The present specification relates to a double spiro structure compound, and an organic light emitting device comprising the same.
    Type: Application
    Filed: July 23, 2019
    Publication date: November 14, 2019
    Inventors: Yongbum CHA, Jin Joo KIM
  • Organic Light-emitting Element
    Publication number: 20190296238
    Abstract: The present specification relates to an organic light emitting device.
    Type: Application
    Filed: June 1, 2017
    Publication date: September 26, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seong So Kim, Sung Jae Lee, Sung Kil Hong
  • Heterocyclic compound and organic light emitting device comprising same
    Patent number: 10421721
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: September 24, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Sang Duk Suh
  • MULTICYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME (AS AMENDED)
    Publication number: 20190237674
    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: Application
    Filed: July 27, 2017
    Publication date: August 1, 2019
    Inventors: Yongbum CHA, Sang Young JEON, Sung Jae LEE, Sung Kil HONG
  • COMPOUND AND ORGANIC ELECTRONIC ELEMENT COMPRISING SAME
    Publication number: 20190152919
    Abstract: The present specification relates to a compound and an organic electronic element comprising the same.
    Type: Application
    Filed: September 8, 2017
    Publication date: May 23, 2019
    Inventors: Yongbum CHA, Sang Duk SUH, Jungbum KIM, Sung Kil HONG
  • Organic Light Emitting Device
    Publication number: 20190148650
    Abstract: The present specification relates to an organic light emitting device including an anode, a first organic material layer including a compound of Chemical Formula 1, a second organic material layer including a compound of Chemical Formula 2, a light emitting layer and a cathode.
    Type: Application
    Filed: May 26, 2017
    Publication date: May 16, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jiwon Kwak, Sung Kil Hong, Yongbum Cha