Patents by Inventor Sang Duk Suh

Sang Duk Suh 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).

  • 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 ELEMENT COMPRISING SAME
    Publication number: 20200216475
    Abstract: Provided are a compound of Chemical Formula 1: wherein X1 to X4 are identical to or different from one another and are each independently O, S, NR2 or CR3R4, and a to d are each 0 or 1, with the proviso that 1?a+b+c+d; R1 and R11 to R14 are identical to or different from one another and are each independently hydrogen, deuterium, a nitrile group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; e is an integer of 0 to 3, wherein, when e is 2 or more, each R1 is identical to or different from each other; aa, bb, cc and dd are each an integer of 0 to 4, wherein, when aa, bb, cc and dd are 2 or more, the substituents in parentheses are identical to or different from one another; R2 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; and R3 and R4 are identical to or different from each other and are each independently a s
    Type: Application
    Filed: December 26, 2018
    Publication date: July 9, 2020
    Inventors: Hongsik YOON, Yujin KANG, Wanpyo HONG, Sang Duk SUH
  • Compound and organic light emitting diode comprising same
    Patent number: 10686138
    Abstract: The present specification provides the compound represented by Chemical Formula 1 and an organic light emitting device including the same.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: June 16, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jae Seung Ha, Wanpyo Hong, Sang Duk Suh
  • COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME
    Publication number: 20200131124
    Abstract: Provided is a compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Application
    Filed: July 27, 2018
    Publication date: April 30, 2020
    Inventors: Sang Duk SUH, Sung Kil HONG, Seong So KIM
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20200013957
    Abstract: Provided is an organic light emitting device that includes an anode, a cathode, a light emitting layer containing a compound of Chemical Formula 1: and a hole transport region that includes a compound of Chemical Formula 2: the organic light emitting device having improved driving voltage, efficiency and lifetime.
    Type: Application
    Filed: March 8, 2018
    Publication date: January 9, 2020
    Inventors: Sang Duk SUH, Sung Kil HONG, Seong So KIM
  • NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20190378990
    Abstract: The present disclosure relates to a compound represented by Chemical Formula 1 and an organic light emitting device using the same. The compound is used as a material of an organic material layer of the organic light emitting device.
    Type: Application
    Filed: February 23, 2018
    Publication date: December 12, 2019
    Inventors: Yong Bum CHA, Sang Duk SUH, Yeon Hwan KIM, Sang Young JEON, Sung Jae LEE
  • 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
  • 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
  • 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
  • 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
  • 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: 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
  • NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME
    Publication number: 20180287068
    Abstract: The present specification provides the compound represented by Chemical Formula 1 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, Wanpyo 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
  • 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
  • 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
  • SPIRO-TYPE COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME
    Publication number: 20180145261
    Abstract: The present specification relates to a spiro structure compound and an organic light emitting device including the same.
    Type: Application
    Filed: October 6, 2016
    Publication date: May 24, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jae Seung Ha, Jiwon Kwak, Sang Duk Suh
  • 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