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).

  • 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
  • Heterocyclic compound and organic light emitting element comprising same
    Patent number: 10230056
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: March 12, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seongmi Cho, Jin Joo Kim
  • Amine compound and organic light emitting element comprising same
    Patent number: 10193076
    Abstract: The present specification provides an amine compound of Chemical Formula 1 and an organic light emitting device including the same.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: January 29, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Jin Joo Kim
  • SPIRO-STRUCTURED COMPOUND AND ORGANIC ELECTRONIC DEVICE COMPRISING SAME
    Publication number: 20190010164
    Abstract: The present specification relates to a spiro compound and an organic electronic device including the same.
    Type: Application
    Filed: January 26, 2017
    Publication date: January 10, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Jungbum Kim, Dong Uk Heo, Sung Jae Lee
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE CONTAINING SAME
    Publication number: 20180351111
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: February 23, 2017
    Publication date: December 6, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seongmi Cho, Jungbum Kim, Sung Kil Hong, Jiwon Kwak
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180337341
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Application
    Filed: February 22, 2017
    Publication date: November 22, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Yongbum Cha, Minyoung Kang, Miyeon Han, Min Woo Jung
  • COMPOUND AND ORGANIC ELECTRONIC ELEMENT COMPRISING SAME
    Publication number: 20180331297
    Abstract: The present application relates to a compound and an organic electronic device including the same.
    Type: Application
    Filed: November 17, 2016
    Publication date: November 15, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Sang Duk Suh, Yongbum Cha, Sung Kil Hong, Dongheon Kim
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180287069
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: December 7, 2016
    Publication date: October 4, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Seongmi Cho, Jin Joo Kim
  • COMPOUND AND ORGANIC ELECTRONIC DEVICE COMPRISING SAME
    Publication number: 20180277767
    Abstract: The present application relates to a compound and an organic electronic device including the same.
    Type: Application
    Filed: September 22, 2016
    Publication date: September 27, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Wanpyo Hong
  • SPIRO COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180265477
    Abstract: The present specification provides a spiro structured compound and an organic light emitting device including the same.
    Type: Application
    Filed: September 30, 2016
    Publication date: September 20, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh
  • AMINE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME
    Publication number: 20180269401
    Abstract: The present specification provides an amine-based compound and an organic light emitting device comprising the same.
    Type: Application
    Filed: September 13, 2016
    Publication date: September 20, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Jungbum Kim, Jin Joo Kim
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE CONTAINING SAME
    Publication number: 20180261777
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: February 23, 2017
    Publication date: September 13, 2018
    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
    Publication number: 20180244659
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Application
    Filed: September 1, 2015
    Publication date: August 30, 2018
    Inventors: Jin Joo KIM, Sung Kil HONG, Yongbum CHA
  • AMINE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
    Publication number: 20180248119
    Abstract: The present specification provides an amine-based compound and an organic light emitting device including the same.
    Type: Application
    Filed: September 2, 2016
    Publication date: August 30, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Jin Joo Kim
  • 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
  • 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
  • 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