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).

  • Polycyclic compound and organic light emitting device including the same
    Patent number: 10032986
    Abstract: The present specification provides a polycyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: July 24, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jin Joo Kim, Sung Kil Hong, Yongbum Cha
  • SPIRO COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180175304
    Abstract: The present specification provides a compound having a spiro structure and an organic light emitting device including the same.
    Type: Application
    Filed: November 17, 2016
    Publication date: June 21, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Sang Duk Suh
  • DOUBLE SPIRO ORGANIC COMPOUND AND ORGANIC ELECTRONIC ELEMENT COMPRISING SAME
    Publication number: 20180148640
    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: Application
    Filed: June 7, 2016
    Publication date: May 31, 2018
    Inventors: Yongbum CHA, Sung Kil HONG, Seongmi CHO
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180148641
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: November 16, 2016
    Publication date: May 31, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seongmi Cho, Sung Kil Hong, Jungbum Kim, Sung Jae Lee
  • COMPOUND AND ORGANIC LIGHT EMITTING DEVICE CONTAINING SAME
    Publication number: 20180145272
    Abstract: The present specification relates to a novel compound and an organic light emitting device including the same.
    Type: Application
    Filed: September 9, 2016
    Publication date: May 24, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum CHA, Jin Joo KIM, Seong So KIM, Jemin RYU
  • POLYCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180138421
    Abstract: The present specification provides a multicyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: June 17, 2016
    Publication date: May 17, 2018
    Inventors: Yongbum CHA, Wanpyo HONG, Sung Kil HONG
  • COMPOUND AND ORGANIC ELECTRONIC ELEMENT COMPRISING SAME
    Publication number: 20180138422
    Abstract: The present application relates to a compound and an organic electronic device comprising the same.
    Type: Application
    Filed: June 7, 2016
    Publication date: May 17, 2018
    Inventors: Yongbum CHA, Sung Kil HONG, Hyok Joon KWON, Minjun KIM
  • Spiro-type compound and organic light emitting element comprising same
    Patent number: 9972785
    Abstract: The present specification provides a compound having a spiro structure, and an organic light emitting device including the same.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 15, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh, Jungbum Kim
  • COMPOUND AND ORGANIC ELECTRONIC DEVICE COMPRISING SAME
    Publication number: 20180123042
    Abstract: The present specification relates to a compound and an organic electronic device including the same.
    Type: Application
    Filed: January 9, 2017
    Publication date: May 3, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Jungoh Huh, Jin Joo Kim
  • Spiro-type compound and organic light emitting element comprising same
    Patent number: 9960357
    Abstract: The present specification provides a compound having a spiro structure of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 1, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh, Jungbum Kim
  • DOUBLE SPIRO COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180111887
    Abstract: The present specification relates to a double spiro structure compound and an organic light emitting device including the same.
    Type: Application
    Filed: July 5, 2016
    Publication date: April 26, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum CHA, Jin Joo KIM, Sang Duk SUH
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
    Publication number: 20180086775
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: October 26, 2016
    Publication date: March 29, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Wanpyo Hong, Dongheon Kim, Hyoungcheul Kim, Yongbum Cha, Yun Hwan Kim
  • COMPOUND AND ORGANIC ELECTRONIC ELEMENT COMPRISING SAME
    Publication number: 20180090688
    Abstract: The present specification relates to a compound and an organic electronic device comprising the same.
    Type: Application
    Filed: September 23, 2016
    Publication date: March 29, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Kichul Koo
  • SPIRO COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180083198
    Abstract: The present specification provides a compound having a spiro structure and an organic light emitting device including the same.
    Type: Application
    Filed: November 17, 2016
    Publication date: March 22, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Sang Duk Suh
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20180069180
    Abstract: The present specification provides an organic light emitting device.
    Type: Application
    Filed: June 10, 2016
    Publication date: March 8, 2018
    Inventors: Yongbum CHA, Sung Kil HONG, Seong So KIM, Jemin RYU
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180047914
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: August 23, 2016
    Publication date: February 15, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seongmi Cho, Jin Joo Kim
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
    Publication number: 20180037547
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: September 9, 2016
    Publication date: February 8, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Sang Duk Suh
  • SPIRO-TYPE COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180006233
    Abstract: The present specification provides a compound having a spiro structure, and an organic light emitting device including the same.
    Type: Application
    Filed: October 12, 2016
    Publication date: January 4, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh, Jungbum Kim
  • DOUBLE-SPIRO TYPE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE CONTAINING SAME
    Publication number: 20180002256
    Abstract: The present specification relates to a double spiro structure compound, and an organic light emitting device comprising the same.
    Type: Application
    Filed: February 16, 2016
    Publication date: January 4, 2018
    Inventors: Yongbum CHA, Jin Joo Kim
  • SPIRO-TYPE COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20170365787
    Abstract: The present specification provides a compound having a spiro structure of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: October 12, 2016
    Publication date: December 21, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh, Jungbum Kim