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: 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
  • Publication number: 20210217963
    Abstract: The present specification 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, the light emitting layer including a compound represented by Formula 1 and a compound represented by Formula 2.
    Type: Application
    Filed: October 11, 2019
    Publication date: July 15, 2021
    Inventors: Ji Young Choi, Sang Duk Suh, Woochul Lee, Joo Ho Kim, Hoon Jun Kim, Dong Hoon Lee
  • Patent number: 11050026
    Abstract: The present specification provides a compound having a spiro structure and an organic light emitting device including the same.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: June 29, 2021
    Inventors: Yongbum Cha, Jin Joo Kim, Sung Kil Hong, Sang Duk Suh
  • Publication number: 20210184121
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: W1 and W2 are the same as or different from each other, and each independently is O or S; A1 and A2 each independently is a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; R1 to R7 each independently is hydrogen, deuterium, a nitrile group, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and R1 to R7, A1 and A2 bond to adjacent substituents to form a substituted or unsubstituted ring, and an organic light-emitting device including the same.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 17, 2021
    Inventors: Sang Duk SUH, Sung Kil HONG, Yongbum CHA, Seong So KIM, Minseung CHUN
  • Publication number: 20210184131
    Abstract: A novel compound of the following Chemical Formula 1, and an organic light emitting device including the same.
    Type: Application
    Filed: July 29, 2019
    Publication date: June 17, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Min Woo JUNG, Dong Hoon LEE, Sang Duk SUH, Seulchan PARK, Sunghyun HWANG, Boonjae JANG, Jungha LEE, Su Jin HAN
  • Publication number: 20210179622
    Abstract: Provided is a compound of Chemical Formula 1: wherein: one of A1 and A2 is a substituent of Chemical Formula 2: and the other one is a cyano group; R3 is a substituted or unsubstituted aryl or heteroaryl group; R4 to R7 are each independently a hydrogen, deuterium, halogen, or a substituted or unsubstituted: silyl, alkyl, amine, arylamine, alkylamine, aryl, or heteroaryl group; R1 and R2 are each independently a substituted or unsubstituted aryl or heteroaryl group; and (1) at least one of R1 to R3 is a substituted phenyl group, or a substituted or unsubstituted heteroaryl group or C10 or higher aryl group; or (2) R7 is deuterium and d is 1 or greater, and an organic light-emitting device comprising the same.
    Type: Application
    Filed: January 4, 2019
    Publication date: June 17, 2021
    Inventors: Hongsik YOON, Jun Yeob LEE, Ho Jung LEE, Minseung CHUN, Wanpyo HONG, Sang Duk SUH, Yujin KANG
  • Patent number: 10995098
    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: Grant
    Filed: December 14, 2017
    Date of Patent: May 4, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Sung Kil Hong, Kyung Seok Jeong
  • Patent number: 10991887
    Abstract: The present specification provides an amine compound and an organic light emitting device including the same.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: April 27, 2021
    Inventors: Jae Seung Ha, Sung Kil Hong, Sang Duk Suh
  • Publication number: 20210119137
    Abstract: Provided is a compound of Chemical Formula 1: wherein X1 is N or CRa, X2 is N or CRb, X3 is N or CRc, and one or more of X1 to X3 are N; Ar1 and Ar2 each independently is a substituted or unsubstituted alkyl, aryl group, or heteroaryl group; Ar3 is a substituted or unsubstituted aryl or heteroaryl group; L is a substituted or unsubstituted arylene group; R1 and R2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl or aryl group, or bond to each other to form a ring; R3 and Ra to Rc each independently is a hydrogen, deuterium, halogen, nitrile, nitro, hydroxyl, or a substituted or unsubstituted group selected from among a silyl, boron, alkyl, cycloalkyl, alkoxy, aryloxy, alkylthioxy, arylthioxy, alkylsulfoxy, arylsulfoxy, alkenyl, aralkyl, aralkenyl, alkylaryl, arylphosphine, phosphine oxide, aryl, or a heteroaryl group, or bond to adjacent groups to form a ring; a3 is 1 to 6; and n is 1 to 5, and an organic light emitting device comprising the same.
    Type: Application
    Filed: January 25, 2019
    Publication date: April 22, 2021
    Inventors: Yongbum CHA, Sung Kil HONG, Seong So KIM, Minseung CHUN, Sang Duk SUH
  • Patent number: 10981876
    Abstract: The present specification provides a spiro structured compound represented by the following Chemical Formula 1 and an organic light emitting device including the same: wherein L1, n, Ar1, R1 to R7, p, q, r, s, and t are defined herein.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: April 20, 2021
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh
  • Publication number: 20210066619
    Abstract: An organic light emitting device including a compound of Chemical Formula 1 and a compound of Chemical Formula 2, wherein
    Type: Application
    Filed: May 17, 2019
    Publication date: March 4, 2021
    Inventors: Woochul LEE, Ji Young CHOI, Joo Ho KIM, Dong Hoon LEE, Sang Duk SUH, Hoon Jun KIM
  • Publication number: 20210050528
    Abstract: An organic light emitting device including: a positive electrode; a negative electrode facing the positive electrode; a light emitting layer between the positive electrode and the negative electrode; a first organic material layer comprising a compound of Formula 1 provided between the negative electrode and the light emitting layer; and a second organic material layer comprising at least one compound of Formulae 2 or 3 provided between the negative electrode and the first organic material layer: wherein the first organic layer at least one of X1 to X3 is N, at least one of X4 to X6 is N, at least one of X7 to X9 is N, and at least one of X10 to X12 is N, and each remaining one is CH;
    Type: Application
    Filed: January 28, 2019
    Publication date: February 18, 2021
    Inventors: Yongbum CHA, Boonjae JANG, Sung Kil HONG, Sang Duk SUH
  • Publication number: 20210040038
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.
    Type: Application
    Filed: May 31, 2018
    Publication date: February 11, 2021
    Inventors: Sang Duk SUH, Wanpyo HONG, Sung Kil HONG
  • Patent number: 10910567
    Abstract: The present specification provides a double spiro structured compound and an organic light emitting device including the same.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: February 2, 2021
    Inventors: Jae Seung Ha, Sung Kil Hong, Sang Duk Suh
  • Publication number: 20210020844
    Abstract: The present specification relates to a compound represented by the following Formula 1 and an organic light emitting device including the same. The compound is used as a material for an organic material layer of the organic light emitting device.
    Type: Application
    Filed: October 4, 2019
    Publication date: January 21, 2021
    Inventors: Sang Duk Suh, Ji Young Choi, Woochul Lee, Joo Ho Kim, Hoon Jun Kim, Dong Hoon Lee
  • Publication number: 20200411771
    Abstract: An organic light emitting device including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode, wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2 and a compound of Chemical Formula 3.
    Type: Application
    Filed: June 11, 2019
    Publication date: December 31, 2020
    Inventors: Joo Ho KIM, Ji Young CHOI, Woochul LEE, Dong Hoon LEE, Dongheon KIM, Sang Duk SUH, Hyungjin LEE