Patents by Inventor Sung Kil Hong

Sung Kil Hong 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).

  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20190296243
    Abstract: The present invention relates to an organic light emitting device including a light emitting layer comprising a compound represented by Chemical Formula 1 and an electron transport region comprising a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.
    Type: Application
    Filed: March 8, 2018
    Publication date: September 26, 2019
    Inventors: Sang Duk SUH, Sung Kil HONG, Seong 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
  • Organic compound, and organic light emitting diode and organic light emitting display device including the same
    Patent number: 10418561
    Abstract: An embodiment of the present invention provides an organic compound represented by following Formula: wherein each of R1 to R14 is independently selected from hydrogen, substituted or non-substituted C6 to C12 aryl, substituted or non-substituted C3 to C11 heteroaryl, substituted or non-substituted C1 to C10 alkyl, substituted or non-substituted C1 to C10 alkoxy, ether, cyano group (CN), fluorine, tri-fluoro methyl, tri-fluoro methoxy and trimethylsilyl, and at least one of R1 to R10 is the cyano group, and wherein at least one of R11 to R14 is the cyano group, and A is selected from substituted or non-substituted C6 to C30 aryl and substituted or non-substituted C3 to C30 heteroaryl. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: September 17, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jung-Keun Kim, Do-Han Kim, Jeong-Dae Seo, Ji-Cheol Shin, Heung-Woo Choi, Wan-Pyo Hong, Sang-Duk Suh, Joo-Yong Yoon, Sung-Kil Hong
  • 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
  • Heterocyclic compound and organic light emitting element comprising same
    Patent number: 10355225
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: July 16, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Miyeon Han, Sung Kil Hong, Dong Hoon Lee, Hyungjin Lee, Boonjae Jang, Minyoung Kang, Dong Uk Heo, Wooyung Jung
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20190198766
    Abstract: The present invention relates to an organic light emitting device comprising a light emitting layer including a compound represented by Chemical Formula 1 and an electron transport region including a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency, and lifetime.
    Type: Application
    Filed: March 8, 2018
    Publication date: June 27, 2019
    Inventors: Sang Duk SUH, Sung Kil HONG, Seong So KIM
  • AMINE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
    Publication number: 20190198763
    Abstract: The present specification provides a compound of Chemical Formula 1, and an organic light emitting device including the same. The compound of Chemical Formula 1 used in one or more organic material layers of an organic light emitting device provides enhanced efficiency, lowered driving voltage, and increased lifetime of the device.
    Type: Application
    Filed: September 25, 2017
    Publication date: June 27, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sung Jae LEE, Jae Seung HA, Sung Kil HONG
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
    Publication number: 20190152985
    Abstract: The present invention relates to a cyclic compound having a novel structure and an organic light emitting device comprising the same. The cyclic compound of Chemical Formula 1 used in an organic material layer of the organic light emitting device provides improved driving voltage, light efficiency, and lifetime characteristics.
    Type: Application
    Filed: December 14, 2017
    Publication date: May 23, 2019
    Inventors: Sang Duk SUH, Sung Kil HONG, Kyung Seok JEONG
  • 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
  • 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
  • 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
  • DOUBLE SPIRO-TYPE COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME
    Publication number: 20180287073
    Abstract: The present specification provides a double spiro structured compound and an organic light emitting device including the same.
    Type: Application
    Filed: October 7, 2016
    Publication date: October 4, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jae Seung Ha, Sung Kil Hong, Sang Duk Suh
  • AMINE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    Publication number: 20180277762
    Abstract: The present specification provides an amine compound and an organic light emitting device including the same.
    Type: Application
    Filed: October 6, 2016
    Publication date: September 27, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jae Seung Ha, Sung Kil Hong, 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
  • 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