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).

  • Patent number: 11396494
    Abstract: Provided is a compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: July 26, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Sung Kil Hong, Seong So Kim
  • Publication number: 20220199915
    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: October 22, 2020
    Publication date: June 23, 2022
    Inventors: Minjun KIM, Seung Won CHOI, Dong Hoon LEE, Sang Duk SUH, Young Seok KIM, Seoyeon KIM
  • Patent number: 11362283
    Abstract: The present specification provides an organoluminescent device including a capping layer on one surface of an electrode, wherein the capping layer includes a compound represented by Chemical Formula 1: X, and R1 to R5 are defined therein.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: June 14, 2022
    Inventors: Dae Woong Lee, Yeon-Ho Cho, Sang Young Jeon, Hyoung Seok Kim, Sang Duk Suh
  • Publication number: 20220138271
    Abstract: The present invention relates to a method for collecting data from a multi-domain in a data collection device. The method includes a step A of collecting data from a general web that is accessible through a search engine; a step B of collecting data from a dark web site that is not accessible with a general web browser and is accessible with preset specific software; and a step C of standardizing the collected data in a preset format and generating metadata for the collected data.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 5, 2022
    Inventors: Sang Duk SUH, Changhoon YOON, Seung Hyeon LEE
  • Publication number: 20220123218
    Abstract: Provided is an organic electroluminescent device, the organic electroluminescent device comprising a cathode, an anode, and one or more organic material layers provided between the cathode and the anode, the one or more organic material layers comprising a light emitting layer, an electron transport region and a hole transport region, wherein all of the organic materials, other than a dopant, contained in the one or more organic material layers have a triplet state energy of 2.5 eV or higher, at least three types of the organic materials having a triplet state energy of 2.5 eV or higher have a triplet state energy of 2.7 eV or higher, and at least two types of the organic materials having a triplet state energy of 2.5 eV or higher include a spiro compound.
    Type: Application
    Filed: September 29, 2019
    Publication date: April 21, 2022
    Inventors: Jae Seung HA, Seong So KIM, Minseung CHUN, Sang Duk SUH, Min Woo JUNG, Boon Jae JANG, Yongbum CHA, Dong Uk HEO, Jungha LEE
  • Patent number: 11306060
    Abstract: The present specification relates to a compound and an organic electronic device comprising the same.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 19, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Sang Duk Suh, Jungbum Kim, Sung Kil Hong
  • Publication number: 20220109114
    Abstract: An organic light emitting device comprising an anode, a cathode, and one or more organic material layers that are provided between the anode and the cathode and include a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2.
    Type: Application
    Filed: April 29, 2020
    Publication date: April 7, 2022
    Inventors: Minjun KIM, Min Woo JUNG, Dong Hoon LEE, Sang Duk SUH, Seoyeon KIM
  • Publication number: 20220102646
    Abstract: A compound of Formula 1 and an organic light emitting device including the same, and the compound providing low driving voltage, high light emitting efficiency, and a long service life of the organic light emitting device.
    Type: Application
    Filed: January 21, 2020
    Publication date: March 31, 2022
    Inventors: Minjun KIM, Dong Hoon LEE, Sang Duk SUH, Donghee KIM, Seoyeon KIM
  • Publication number: 20220093873
    Abstract: Provided is an organic light emitting device having an excellent balance between luminous efficiency and lifespan, the organic light emitting device including: an anode; a cathode positioned opposite to the anode; a light emitting layer positioned between the anode and the cathode; a hole transport layer positioned between the anode and the light emitting layer; and an electron transport layer positioned between the light emitting layer and the cathode, wherein the electron transport layer includes a metal complex compound and an electron transport material having a heterogeneous electron transfer rate constant (K) of 1.2 to 1.65, and the heterogeneous electron transfer rate constant (K) is calculated by the following Mathematical Equation 1: K = k d + k a 2 ? Mathematical ? ? Equation ? ? 1 ? wherein in Mathematical Equation 1: kd (donating k) is an electron donating rate constant and ka (accepting k) is an electron accepting rate constant.
    Type: Application
    Filed: January 31, 2020
    Publication date: March 24, 2022
    Inventors: Ji Hye KIM, Sung Kil HONG, Minseung CHUN, Dong Uk HEO, Yeon Hwan KIM, Sang Duk SUH
  • Publication number: 20220093868
    Abstract: Provided is an organic light emitting device comprising a first electrode; a second electrode provided to face the first electrode; and an organic material layer having one or more layers provided between the first electrode and the second electrode, wherein a compound of the following Formula 1 is included as a host in the organic material layer having one or more layers, and a compound of the following Formula 2 is included as a dopant in the organic material layer having one or more layers:
    Type: Application
    Filed: August 20, 2019
    Publication date: March 24, 2022
    Inventors: Woochul LEE, Ji Young CHOI, Sang Duk SUH, Joo Ho KIM, Hoon Jun KIM, Dong Hoon LEE
  • Publication number: 20220085300
    Abstract: An organic light emitting device including a light emitting layer which comprises a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and the organic light emitting device having improved driving voltage, efficiency and lifetime.
    Type: Application
    Filed: November 11, 2020
    Publication date: March 17, 2022
    Inventors: Minjun Kim, Young Seok Kim, Seoyeon Kim, Da Jung Lee, Dong Hoon Lee, Yongbum Cha, Sang Duk Suh, Donghee Kim, Joongsuk Oh, Seung Won Choi, Jaehoon Sim
  • Publication number: 20220069223
    Abstract: An organic light emitting device including a first electrode; a second electrode provided opposite to the first electrode; and one or more organic material layers provided between the first electrode and the second electrode, wherein one or more of the one or more organic material layers include a compound of Chemical Formula 1 and a compound of Chemical Formula 2.
    Type: Application
    Filed: January 16, 2020
    Publication date: March 3, 2022
    Inventors: Hoon Jun KIM, Ji Young CHOI, Sang Duk SUH, Woochul LEE, Joo Ho KIM, Dong Hoon LEE
  • Publication number: 20220059778
    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: February 24, 2022
    Inventors: Min Woo Jung, Dong Hoon Lee, Boon Jae Jang, Sang Duk Suh, Jungha Lee, Su Jin Han, Seulchan Park, Sunghyun Hwang
  • Publication number: 20220056048
    Abstract: Provided is a compound of Chemical Formula 1: wherein: A is a benzene ring: X1 and X2 are each independently O or S; Y1 to Y3 are each independently N or CH, provided that at least one of Y1 to Y3 is N; Ar1 and Ar2 are each independently a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing at least one of N, O, and S; R1 to R3 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, or C2-60 heteroaryl containing at least one of N, O, and S; and R4 and R5 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, or C2-60 heteroaryl containing at least one of N, O, and S, and an organic light emitting device including the same.
    Type: Application
    Filed: November 8, 2019
    Publication date: February 24, 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: 20220056047
    Abstract: A heterocyclic compound represented by Chemical Formula 1 or 2, and an organic light emitting device including the same, and the heterocyclic compound which is used as a material of an organic material layer of the organic light emitting device and provides improved efficiency, low driving voltage, and improved lifetime characteristics of the organic light emitting device.
    Type: Application
    Filed: November 14, 2019
    Publication date: February 24, 2022
    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: 20220037593
    Abstract: Provided is a compound of Chemical Formula 1: wherein, in Chemical Formula 1: X1 to X6 are each independently CH or N, with the proviso that at least one of X1 to X6 is N; Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl, with the proviso that at least one of Ar1 to Ar4 is a C6-60 aryl containing deuterium as a substituent; R1 is hydrogen, deuterium, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing one or more heteroatoms selected from the group consisting of N, O, and S; and n is an integer of 0 to 8, and an organic light emitting device including the using same.
    Type: Application
    Filed: November 27, 2019
    Publication date: February 3, 2022
    Inventors: Min Woo JUNG, Dong Hoon LEE, Boon Jae JANG, Wanpyo HONG, Sang Duk SUH, Jungha LEE, Su Jin HAN, Seulchan PARK, Sunghyun HWANG
  • Patent number: 11239425
    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: Grant
    Filed: March 8, 2018
    Date of Patent: February 1, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Sung Kil Hong, Seong So Kim
  • Publication number: 20220029107
    Abstract: A compound of Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: February 28, 2020
    Publication date: January 27, 2022
    Inventors: Minjun Kim, Dong Hoon Lee, Hyoung Seok Kim, Sangwoo Lee, Sang Duk Suh, Donghee Kim, Sunmin Kim, Da Jung Lee
  • Publication number: 20220029110
    Abstract: A compound represented by Chemical Formula 1, and an organic light emitting device including the same, and the compound used as a material of an organic material layer of the organic light emitting device and providing enhanced efficiency, low driving voltage, and improved lifetime properties of the organic light emitting device.
    Type: Application
    Filed: March 13, 2020
    Publication date: January 27, 2022
    Inventors: Minjun KIM, Min Woo JUNG, Dong Hoon LEE, Sang Duk SUH, Seoyeon KIM
  • Publication number: 20220027900
    Abstract: The present invention relates to a method and system for analyzing cryptocurrency transactions, and more particularly, a method and system for analyzing and processing cryptocurrency data using attributes of cryptocurrency to analyze a transaction flow of cryptocurrency, which has been difficult to grasp in the past.
    Type: Application
    Filed: January 20, 2020
    Publication date: January 27, 2022
    Inventors: Sang Duk SUH, Chang Hoon YOON, Seung Hyeon LEE