Patents by Inventor Youngkook Kim

Youngkook Kim 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).

  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180040833
    Abstract: A heterocyclic compound and an organic light-emitting device including the heterocyclic compound, the heterocyclic compound being represented by the following Formula 1: A1-(A2)n2,??<Formula 1> wherein, in Formula 1, A1 is a group represented by one of Formulae 2A and 2B, and A2 is a group represented by Formula 3,
    Type: Application
    Filed: July 6, 2017
    Publication date: February 8, 2018
    Inventors: Heechoon AHN, Soobyung KO, Mieun JUN, Youngkook KIM, Seokhwan HWANG
  • Amine-based compound and organic light-emitting device including the same
    Patent number: 9887372
    Abstract: According to one or more embodiments, an organic light-emitting device may include: a first electrode; a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes an amine-based compound represented by Formula 1:
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: February 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mieun Jun, Soobyung Ko, Haejin Kim, Youngkook Kim, Seokhwan Hwang
  • Amine-based compound and organic light-emitting diode including the same
    Patent number: 9882143
    Abstract: An amine-based compound and an organic light-emitting diode including the amine-based compound.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: January 30, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngkook Kim, Seokhwan Hwang, Hyejin Jung, Jino Lim, Sanghyun Han, Eunjae Jeong, Sooyon Kim, Junha Park, Eunyoung Lee, Jonghyuk Lee
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180026206
    Abstract: A heterocyclic compound and an organic light emitting device, the compound being represented by Formula 1:
    Type: Application
    Filed: June 27, 2017
    Publication date: January 25, 2018
    Inventors: Heechoon AHN, Soobyung KO, Mieun JUN, Youngkook KIM, Seokhwan HWANG
  • Organic light emitting device
    Patent number: 9876179
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer further includes: i) a hole transport region between the first electrode and the emission layer, the hole transport region including at least one selected from a hole transport layer, a hole injection layer, and a buffer layer, and ii) an electron transport region between the emission layer and the second electrode, the electron transport region including an electron transport layer and at least one selected from a hole blocking layer and an electron injection layer; and wherein the electron transport region includes a compound represented by Formula 1 or a compound represented by Formula 2:
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: January 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunyoung Lee, Youngkook Kim, Junha Park, Munki Sim, Eunjae Jeong, Seokhwan Hwang
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180019406
    Abstract: A heterocyclic compound is represented by Formula 1: wherein, in Formula 1, R1 ro R4, R11, ring A1, L1, Ar1, c11, a1, and b1 are as defined in the specification.
    Type: Application
    Filed: February 6, 2017
    Publication date: January 18, 2018
    Inventors: Hyoyoung LEE, Youngkook KIM, Junha PARK, Munki SIM, Eunjae JEONG, Seokhwan HWANG
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180019410
    Abstract: A heterocyclic compound and an organic light-emitting device including the same are provided, the heterocyclic compound being represented by <Formula 1>
    Type: Application
    Filed: July 11, 2017
    Publication date: January 18, 2018
    Inventors: Munki SIM, Junha PARK, Hyoyoung LEE, Eunjae JEONG, Youngkook KIM, Seokhwan HWANG
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 9871208
    Abstract: A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound, the condensed cyclic compound being represented by one of Formulae 1-1 to 1-8 described herein.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: January 16, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eunyoung Lee, Jino Lim, Youngkook Kim, Junha Park, Eunjae Jeong, Seokhwan Hwang
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180013076
    Abstract: Provided are a condensed cyclic compound having the following structure: wherein ring D1 and ring D2 are each independently a C6-C20 aromatic ring, and an organic light-emitting device including the same.
    Type: Application
    Filed: July 5, 2017
    Publication date: January 11, 2018
    Inventors: Sanghyun HAN, Mina KIM, Sooyon KIM, Youngkook KIM, Seokhwan HWANG, Taekyung KIM
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 9856243
    Abstract: Provided are a condensed cyclic compound of Formula 1 and an organic light-emitting device including the same
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: January 2, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haejin Kim, Sanghyun Han, Youngkook Kim, Jongwoo Kim, Seokhwan Hwang, Hyoungkun Kim
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20170373256
    Abstract: A heterocyclic compound and an organic light-emitting device including the same are provided. The heterocyclic compound is represented by Formula 1: Details of R1, R2, R3, X1, L1, and a1 and b1 are provided in the disclosure.
    Type: Application
    Filed: June 16, 2017
    Publication date: December 28, 2017
    Inventors: Soobyung KO, Haejin KIM, Mieun JUN, Youngkook KIM, Seokhwan HWANG
  • CONDENSED CYCLIC COMPOUND AND AN ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20170365792
    Abstract: A condensed cyclic compound represented by Formula 1 and an organic light-emitting apparatus including the same.
    Type: Application
    Filed: June 9, 2017
    Publication date: December 21, 2017
    Inventors: JUNHA PARK, Youngkook Kim, Munki Sim, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • CONDENSED CYCLIC COMPOUND AND AN ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20170365794
    Abstract: A condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same.
    Type: Application
    Filed: December 30, 2016
    Publication date: December 21, 2017
    Inventors: JUNHA PARK, Youngkook Kim, Munki Sim, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • Amine-based compounds and organic light-emitting devices comprising the same
    Patent number: 9842995
    Abstract: An amine-based compound is represented by Formula 1: wherein L1 to L3, Ar1 to Ar3, a1 to a3, and c1 to c3 are as defined in the specification. An organic light-emitting device includes the amine-based compound.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: December 12, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyejin Jung, Seokhwan Hwang, Youngkook Kim, Jongwoo Kim, Jino Lim, Hyungseok Jang
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 9831445
    Abstract: A condensed cyclic compound and an organic light-emitting device, the compound being represented by Formula 1 below:
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: November 28, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Haejin Kim, Samil Kho, Kwanghyung Kim, Youngkook Kim, Seokhwan Hwang
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20170338419
    Abstract: A heterocyclic compound and an organic light-emitting device including the same, the compound being represented by Formula 1: A1-(A2)a21,??<Formula 1> wherein, in Formula 1, A1 is a group represented by Formula 2, A2 is a group represented by Formula 3, and a21 is an integer of 1 to 11, wherein, when a21 is 2 to 11, two or more of A2 are identical to or different from each other:
    Type: Application
    Filed: April 25, 2017
    Publication date: November 23, 2017
    Inventors: Munki SIM, Youngkook KIM, Junha PARK, Hyoyoung LEE, Eunjae JEONG, Seokhwan HWANG
  • COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20170331051
    Abstract: Provided are a compound represented by Formula 1 and an organic light-emitting device including the same: wherein descriptions of Formula 1 are provided in the detailed description of the present specification.
    Type: Application
    Filed: May 12, 2017
    Publication date: November 16, 2017
    Inventors: Sanghyun HAN, Sooyon KIM, Hyejin JUNG, Youngkook KIM, Seokhwan HWANG
  • Condensed-cyclic compound and organic light-emitting device including the same
    Patent number: 9809743
    Abstract: A condensed cyclic compound is represented by Formula 1: where R1 to R12 are as defined in the specification and at least one of R1 to R12 is a group represented by Formula 2, and at least one of R1 to R12 is a group represented by Formula 3; where L1, L2, Ar1 to Ar4, a1 and a1 are as defined in the specification. An organic light-emitting device including the condensed cyclic compound.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: November 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwanghyun Kim, Sooyon Kim, Youngkook Kim, Haejin Kim, Seokhwan Hwang
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 9793500
    Abstract: A condensed cyclic compound is represented by Formula 1: where X1-X4, L1-L4 R1-R6 and Ar1-Ar8 are as defined in the specification. An organic light-emitting device includes the condensed cyclic compound.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: October 17, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jongwoo Kim, Sooyon Kim, Youngkook Kim, Haejin Kim, Sanghyun Han, Seokhwan Hwang
  • Compound and organic light-emitting device including the same
    Patent number: 9793491
    Abstract: The present disclosure relates to a compound represented by Formula 1 and an organic light-emitting device including the same. The compound represented by Formula 1 has excellent stability and is suitable as an electron transporting material. An organic light-emitting device using the compound of Formula 1 may have high efficiency, low voltage, high luminance, and long lifespan.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: October 17, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seokhwan Hwang, Mieun Jun, Hyejin Jung, Youngkook Kim