Patents by Inventor Boonjae Jang

Boonjae Jang 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).

  • Publication number: 20200392152
    Abstract: Provided is a compound of Chemical Formula 1: wherein: Y is O or S; X1 to X3 are each N or CH, and one or more of X1 to X3 is N; and Ar1 to Ar4 are the same as or different from each other, and each independently is an aryl group having 6 to 20 carbon atoms that is unsubstituted or substituted with nitrile or a heteroaryl group having 2 to 20 carbon atoms; or a tricyclic heteroaryl group having 2 to 20 carbon atoms that is unsubstituted or substituted with an aryl group having 6 to 20 carbon atoms, and an organic light emitting device including the same.
    Type: Application
    Filed: March 28, 2019
    Publication date: December 17, 2020
    Inventors: Min Woo JUNG, Wanpyo HONG, Dong Hoon LEE, Boonjae JANG, Jungha LEE, Su Jin HAN, Seulchan PARK
  • Patent number: 10833277
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: November 10, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jungoh Huh, Dong Hoon Lee, Boonjae Jang, Minyoung Kang, Dong Uk Heo, Miyeon Han, Min Woo Jung
  • Patent number: 10811615
    Abstract: The present application relates to a compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: October 20, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Boonjae Jang, Dong Hoon Lee, Jungoh Huh, Minyoung Kang, Dong Uk Heo, Miyeon Han, Min Woo Jung
  • Patent number: 10745362
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: August 18, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Min Woo Jung, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Minyoung Kang, Dong Heo, Miyeon Han
  • Patent number: 10734590
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: August 4, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Minyoung Kang, Dong Hoon Lee, Boonjae Jang, Jungi Jang, Seong So Kim
  • Publication number: 20200227647
    Abstract: Provided is a fluorene derivative of Chemical Formula 1: and an organic light emitting device comprising the same.
    Type: Application
    Filed: July 25, 2018
    Publication date: July 16, 2020
    Inventors: Miyeon HAN, Dong Hoon LEE, Jungoh HUH, Boonjae JANG, Dong Uk HEO, Junghoon YANG, Heekyung YUN
  • Patent number: 10680182
    Abstract: The present specification provides a novel fluoranthene compound significantly improving the life span, efficiency, electrical and chemical stability and thermal stability of an organic electronic device, and an organic electronic device that contains the compound in an organic compound layer.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: June 9, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Kongkyeom Kim, Minseung Chun, Dong Sik Kim, Kidong Koo, Minyoung Kang
  • Publication number: 20200136055
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Application
    Filed: June 29, 2018
    Publication date: April 30, 2020
    Inventors: Dong Uk HEO, Dong Hoon LEE, Jungoh HUH, Boonjae JANG, Miyeon HAN, Junghoon YANG, Heekyung YUN
  • Publication number: 20200131138
    Abstract: Provided is a fluorene derivative of Chemical Formula 1: and an organic light emitting device comprising the same.
    Type: Application
    Filed: July 23, 2018
    Publication date: April 30, 2020
    Inventors: Miyeon HAN, Dong Hoon LEE, Jungoh HUH, Boonjae JANG, Dong Uk HEO, Junghoon YANG, Heekyung YUN
  • Publication number: 20200136053
    Abstract: The present specification relates to an organic light emitting device having high light emission efficiency.
    Type: Application
    Filed: April 24, 2017
    Publication date: April 30, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Min Woo Jung, Ju Young Lee
  • Publication number: 20200048230
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Application
    Filed: June 29, 2018
    Publication date: February 13, 2020
    Inventors: Dong Uk HEO, Dong Hoon LEE, Jungoh HUH, Boonjae JANG, Miyeon HAN, Junghoon YANG, Heekyung YUN
  • 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
  • Publication number: 20200010433
    Abstract: The present specification relates to a compound of Chemical Formula 1 and an organic electronic device comprising the same.
    Type: Application
    Filed: April 11, 2017
    Publication date: January 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Min Woo Jung, Dong Hoon Lee, Tae Yoon Park, Jungoh Huh, Boonjae Jang, Seongmi Cho, Minyoung Kang, Dong Uk Heo, Miyeon Han, Jungha Lee
  • Patent number: 10510963
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: December 17, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Minyoung Kang
  • Patent number: 10505122
    Abstract: The present specification provides a novel compound capable of significantly improving lifespan, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the compound in an organic compound layer.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: December 10, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sangbin Lee, Dong Hoon Lee, Jungoh Huh, Dong Uk Heo, Miyeon Han, Boonjae Jang, Minyoung Kang
  • 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
  • Patent number: 10435390
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: October 8, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Min Woo Jung, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Minyoung Kang, Dong Uk Heo, Miyeon Han, Wanpyo Hong, Yongha Kim
  • Patent number: 10431748
    Abstract: The present specification relates to a cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: October 1, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Minyoung Kang, Miyeon Han
  • Patent number: 10381572
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Minyoung Kang
  • Publication number: 20190237681
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device using the same.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Inventors: Minyoung KANG, Dong Hoon LEE, Boonjae JANG, Jungi JANG, Seong So KIM