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).

  • Publication number: 20220006022
    Abstract: A compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, the compound used as a material of an organic material layer of the organic light emitting device and providing improved efficiency, low driving voltage and improved lifetime characteristics.
    Type: Application
    Filed: July 17, 2020
    Publication date: January 6, 2022
    Inventors: Sang Duk SUH, Dong Hoon LEE, Boon Jae JANG, Min Woo JUNG, Jungha LEE, Su Jin HAN, Seulchan PARK, Sunghyun HWANG
  • Publication number: 20210408396
    Abstract: A compound of Chemical Formula 1, and an organic light emitting device comprising the same, the compound used as a material of an organic material layer of the organic light emitting device and providing enhanced efficiency and low driving voltage of the organic light emitting device.
    Type: Application
    Filed: January 15, 2020
    Publication date: December 30, 2021
    Inventors: Sang Duk SUH, Minjun KIM, Min Woo JUNG, Jungha LEE, Donghee KIM, Sunghyun HWANG, Dong Hoon LEE
  • Patent number: 11211563
    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: Grant
    Filed: March 8, 2018
    Date of Patent: December 28, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Sung Kil Hong, Seong So Kim
  • Publication number: 20210399232
    Abstract: Provided is compound of Chemical Formula 1: wherein: each X1 is independently N or CH, provided that at least one of them is N; each X2 is independently N or CH, provided that at least one of them is N; Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C5-60 heteroaryl containing one or more of N, O, and S; Ar5 is a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C5-60 heteroaryl containing one or more of N, O, and S; each R1 is independently hydrogen, deuterium, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C5-60 heteroaryl containing one or more of N, O, and S; and n is an integer of 0 to 4, and an organic light emitting device including the same.
    Type: Application
    Filed: November 22, 2019
    Publication date: December 23, 2021
    Inventors: Min Woo JUNG, Dong Hoon LEE, Boon Jae JANG, Wanpyo HONG, Sang Duk SUH, Jungha LEE, Su Jin HAN, Seulchan PARK, Sunghyun HWANG
  • Publication number: 20210399234
    Abstract: Provided is an organic light emitting device having low driving voltage, high luminous efficiency, and long lifespan characteristics, the organic light emitting device, comprising: an anode; a hole transport layer; a hole adjustment layer; a light emitting layer; an electron transport layer; and a cathode, wherein the light emitting layer includes a host and a dopant, the host has a dipole moment value of 0.4 to 1.3, and the hole adjustment layer includes a compound having a dipole moment value of 1.2 to 2.0.
    Type: Application
    Filed: November 26, 2019
    Publication date: December 23, 2021
    Inventors: Seong So KIM, Minseung CHUN, Jae Seung HA, Sang Duk SUH, Sung Kil HONG
  • Publication number: 20210399223
    Abstract: An organic light emitting device including a first electrode, a second electrode provided opposite to the first electrode, and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer includes a hole transfer layer and an electron blocking layer, and the hole transfer layer and the electron blocking layer include a compound of Chemical Formula 1, the materials of the hole transfer layer and the electron blocking layer are different from each other, and one or more layers that are not the hole transfer layer and the electron blocking layer of the organic material layer include a compound of Chemical Formula 2.
    Type: Application
    Filed: September 20, 2019
    Publication date: December 23, 2021
    Inventors: Sang Duk SUH, Jae Seung HA, Dong Hoon LEE, Minseung CHUN, Ji Young CHOI, Woochul LEE, Joo Ho KIM, Hoon Jun KIM
  • Publication number: 20210391547
    Abstract: A compound represented by Chemical Formula 1, and an organic light emitting device comprising the same, the compound used in an organic material layer of the organic light emitting device, and providing low driving voltage and high efficiency properties of the organic light emitting device.
    Type: Application
    Filed: February 13, 2020
    Publication date: December 16, 2021
    Inventors: Sujeong Geum, Kyunghee Kim, Wanpyo Hong, Jaegoo Lee, Sang Duk Suh
  • Publication number: 20210391544
    Abstract: A cyclic compound represented by Chemical Formula 1 and an organic light emitting device using the same, the compound used as a material of an organic material layer of the organic light emitting device and providing improved properties of efficiency, driving voltage, and lifetime characteristics of the organic light emitting device.
    Type: Application
    Filed: March 13, 2020
    Publication date: December 16, 2021
    Inventors: Su Jin HAN, Dong Hoon LEE, Boon Jae JANG, Sang Duk SUH, Min Woo JUNG, Jungha LEE, Seulchan PARK, Sunghyun HWANG
  • Publication number: 20210388001
    Abstract: A heterocyclic compound represented by Chemical Formula 1, and an organic light emitting device including the same, and the heterocyclic compound providing improved efficiency, low driving voltage, and improved lifetime characteristics of the organic light emitting device.
    Type: Application
    Filed: November 29, 2019
    Publication date: December 16, 2021
    Inventors: Min Woo JUNG, Dong Hoon LEE, Boon Jae JANG, Sang Duk SUH, Jungha LEE, Su Jin HAN, Seulchan PARK, Sunghyun HWANG
  • Publication number: 20210363132
    Abstract: Provided is a compound of Chemical Formula 1: wherein: X1 to X6 are each independently CH or N, provided that at least one of X1 to X6 is N; Ar1 to Ar4 are each independently a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O, and S, provided that at least one of Ar1 to Ar4 is any one of: R2 is hydrogen, deuterium, or a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; each R3 is independently hydrogen, deuterium, or a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O, and S; each R1 is independently hydrogen, deuterium, or a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; and n is an integer of 0 to 8, and organic light emitting devices including the same.
    Type: Application
    Filed: November 15, 2019
    Publication date: November 25, 2021
    Inventors: Min Woo JUNG, Dong Hoon LEE, Boon Jae JANG, Wanpyo HONG, Sang Duk SUH, Jungha LEE, Su Jin HAN, Seulchan PARK, Sunghyun HWANG
  • Publication number: 20210355128
    Abstract: Provided is a compound of Chemical Formula 1: wherein: each X is independently N or CH, provided that at least one X is N; Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C5-60 heteroaryl containing one or more of N, O and S; Ar3 is a substituted or unsubstituted C5-60 heteroaryl containing at least one N; D is a substituent of any one of the following Chemical Formulas 2-1 to 2-3: wherein: Y1 is O, S, NR2, or CR3R4; n is an integer of 0 to 10; each R1 is independently hydrogen, deuterium, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, C6-60 aryl, or C5-60 heteroaryl containing one or more of N, O and S; and R2 to R4 are each independently a substituted or unsubstituted C1-60 alkyl or a substituted or unsubstituted C6-60 aryl, and an organic light emitting device comprising the same.
    Type: Application
    Filed: November 12, 2019
    Publication date: November 18, 2021
    Inventors: Min Woo JUNG, Dong Hoon LEE, Boon Jae JANG, Wanpyo HONG, Sang Duk SUH, Jungha LEE, Su Jin HAN, Seulchan PARK, Sunghyun HWANG
  • Publication number: 20210351360
    Abstract: A heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, and the heterocyclic compound used as a material of an organic material layer of the organic light emitting device and providing improved properties of efficiency, driving voltage and lifetime characteristics of the organic light emitting device.
    Type: Application
    Filed: January 13, 2020
    Publication date: November 11, 2021
    Inventors: Sang Duk Suh, Dong Hoon Lee, Boon Jae Jang, Min Woo Jung, Jungha Lee, Su Jin Han, Seulchan Park, Sunghyun Hwang
  • Patent number: 11165025
    Abstract: The present application relates to a compound and an organic electronic device including the same.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: November 2, 2021
    Inventors: Sang Duk Suh, Yongbum Cha, Sung Kil Hong, Dongheon Kim
  • Publication number: 20210323948
    Abstract: Provided is a novel compound of Chemical Formula 1: wherein: X1 to X3 are each independently N or CH, provided that at least two are N, Y1 and Y2 are independently O or S, L is a single bond, or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene, provided that L is bonded to a position *1 or *2, Ar1 and Ar2 are independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O, and S, and R1 to R4 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, silyl, or a substituted or unsubstituted: C1-60 alkyl, C1-60 haloalkyl, C1-60 alkoxy, C1-60 haloalkoxy, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, C6-60 aryloxy, C2-60 heteroaryl containing one or more of N, O, and S, or adjacent substituents combine to form a C6-60 aromatic or non-aromatic ring, or a C2-60 heteroaromatic ring, and an organic light emitting device including the same.
    Type: Application
    Filed: November 15, 2019
    Publication date: October 21, 2021
    Inventors: Seulchan PARK, Dong Hoon LEE, Boon Jae JANG, Sang Duk SUH, Min Woo JUNG, Jungha LEE, Su Jin HAN, Sunghyun HWANG
  • Publication number: 20210320260
    Abstract: A heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device comprising the same, and the heterocyclic compound providing improved efficiency, low driving voltage, and improved lifetime characteristics of the organic light emitting device.
    Type: Application
    Filed: November 6, 2019
    Publication date: October 14, 2021
    Inventors: Min Woo JUNG, Dong Hoon LEE, Boon Jae JANG, Sang Duk SUH, Jungha LEE, Su Jin HAN, Seulchan PARK, Sunghyun HWANG
  • Publication number: 20210257552
    Abstract: The present disclosure provides an organic light emitting device including a first electrode, a second electrode provided to face the first electrode, and an organic material layer including a light emitting layer provided between the first electrode and the second electrode, and the light emitting layer including a compound represented by Formula 1, a compound represented by Formula 2, and a compound represented by Formula 3.
    Type: Application
    Filed: October 11, 2019
    Publication date: August 19, 2021
    Inventors: Ji Young Choi, Sang Duk Suh, Woochul Lee, Joo Ho Kim, Hoon Jun Kim, Dong Hoon Lee
  • Publication number: 20210257550
    Abstract: Provided is a compound of Formula 1: wherein: Cy1 and Cy2 are each independently a substituted or unsubstituted hetero ring; R1 to R5 are the same as or different from each other, and are each independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amino group, a silyl group, a boron 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: n1 and n2 are each an integer from 0 to 4: n3 to n5 are each an integer from 0 to 3; and when n1 to n5 are each 2 or more, two or more substituents in the parenthesis are the same as or different from each other, and an organic light emitting device including the same.
    Type: Application
    Filed: June 26, 2019
    Publication date: August 19, 2021
    Inventors: Ki Kon LEE, Sang Duk SUH, Sujeong GEUM, Moung Gon KIM, Kyunghee KIM, Dong Hoon LEE, Tae Yoon PARK, Dongheon KIM, Woochul LEE
  • Patent number: 11081650
    Abstract: The present specification provides a compound having a spiro structure represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein R1 to R8, p, q, r, s, t, u, X and Y are defined therein.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: August 3, 2021
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Sang Duk Suh
  • Publication number: 20210230182
    Abstract: A novel compound of the following Chemical Formula 1, and an organic light emitting device comprising the same.
    Type: Application
    Filed: January 3, 2020
    Publication date: July 29, 2021
    Inventors: Jungha LEE, Dong Hoon LEE, Boon Jae JANG, Sang Duk SUH, Min Woo JUNG, Su Jin HAN, Seulchan PARK, Sunghyun HWANG
  • Patent number: 11075342
    Abstract: The present specification relates to a spiro structure compound and an organic light emitting device including the same.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: July 27, 2021
    Inventors: Jae Seung Ha, Jiwon Kwak, Sang Duk Suh