Patents by Inventor Seul-Ong Kim

Seul-Ong 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).

  • Patent number: 10290811
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer that is disposed between the first electrode and the second electrode and includes an emission layer, wherein the organic layer includes at least one pyrene-based compound represented by Formula 1 and at least one anthracene-based compound represented by Formula 2:
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: May 14, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Chang-Woong Chu
  • Publication number: 20190088896
    Abstract: An organic light emitting device includes: a first electrode; a second electrode that overlaps the first electrode; and an organic layer that is disposed between the first electrode and the second electrode, wherein the organic layer comprises a hole transport region that includes a hole transport material and a p-dopant, and wherein when a doping amount of the p-dopant doped to the hole transport region exceeds 1 wt %, the following Equation 1 is satisfied, while when the doping amount of the p-dopant is 1 wt % or less than 1 wt %, the following Equation 2 is satisfied: HOMO_HTM?LUMO_p-dopant<?0.05 eV ??[Equation 1] HOMO_HTM?LUMO_p-dopant>?0.05 eV ??[Equation 2] In Equation 1 and Equation 2, HOMO_HTM denotes HOMO energy of the hole transport material and LUMO_p-dopant denotes LUMO energy of the p-dopant.
    Type: Application
    Filed: April 19, 2018
    Publication date: March 21, 2019
    Inventors: Sung Wook Kim, Sung-Soo Bae, Hye In Jeong, Dong Hyun Kim, Seul Ong Kim, Tsuyoshi Naijo, Hwan Hee Cho
  • Publication number: 20190044085
    Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer.
    Type: Application
    Filed: February 13, 2018
    Publication date: February 7, 2019
    Inventors: Hye-In Jeong, Seul-Ong Kim, Dong-Hyun Kim, Sung-Wook Kim, Tsuyoshi Naijo, Sung-Soo Bae, Hwan-Hee Cho
  • Publication number: 20190036043
    Abstract: An organic light-emitting device includes: a first electrode; a second 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 at least one first compound, and at least one second compound, the first compound is an organometallic compound represented by Formula 1, and the second compound is represented by Formula 2 or 3:
    Type: Application
    Filed: January 12, 2018
    Publication date: January 31, 2019
    Inventors: Hwan-Hee CHO, Sung-Soo BAE, Hye-In JEONG, Dong-Hyun KIM, Sung-Wook KIM, Seul-Ong KIM, Tsuyoshi NAIJO
  • Patent number: 10193078
    Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes at least one first material and at least one second material, the first material being represented by Formula 1 and the second material being represented by Formula 2:
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: January 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
  • Publication number: 20190027698
    Abstract: An organic light-emitting device includes: 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. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.
    Type: Application
    Filed: January 12, 2018
    Publication date: January 24, 2019
    Inventors: Sung-Soo Bae, Seul-Ong Kim, Dong-Hyun Kim, Sung-Wook Kim, Tsuyoshi Naijo, Hye-In Jeong, Hwan-Hee Cho
  • Publication number: 20180366651
    Abstract: An organic light-emitting device includes an emission layer and an electron transport layer. The emission layer includes at least one compound represented one of Formula 1, Formula 2 and/or Formula 3. The electron transport layer includes at least one compound represented by Formula 4 and/or Formula 5. An organic light-emitting device including the emission layer and the electron transport layer has high emission efficiency and an improved lifetime.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Inventors: Seul-Ong Kim, Dong-Woo Shin
  • Publication number: 20180358564
    Abstract: An organic light-emitting device includes an anode, a cathode, and an organic layer between the anode and the cathode, wherein the organic layer includes a mixed organic layer, and the mixed organic layer includes at least two different compounds, and a triplet energy of at least one compound of the at least two different compounds is 2.2 eV or higher. The organic light-emitting device according to embodiments of the present invention may have a low driving voltage, a high efficiency, and a long lifespan.
    Type: Application
    Filed: August 20, 2018
    Publication date: December 13, 2018
    Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
  • Patent number: 10128445
    Abstract: An organic light emitting element and an organic light emitting device, the organic light emitting element including a first compound represented by the following Chemical Formula 1 and a second compound represented by the following Chemical Formula 2:
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Naoyuki Ito, Seul Ong Kim, Youn Sun Kim, Dong Woo Shin, Jung Sub Lee
  • Publication number: 20180315943
    Abstract: An organic light-emitting device includes: 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, an electron transport region between the second electrode and the emission layer, and a mixed layer between the emission layer and the electron transport region, the mixed layer including a first material and a second material, the first material and the second material being selected from a pyrrolidine-based compound and a C10-C30 polycyclicaromatic hydrocarbon-based compound, and a triplet energy EgT1 of at least one selected from the first material and the second material being 2.2 eV or greater.
    Type: Application
    Filed: July 9, 2018
    Publication date: November 1, 2018
    Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
  • Publication number: 20180261789
    Abstract: Disclosed is an organic light emitting diode device including an anode and a cathode facing each other, an emission layer interposed between the anode and the cathode, and a first hole auxiliary layer interposed between the anode and the emission layer. The first hole auxiliary layer has a higher triplet energy (T1) than the emission layer.
    Type: Application
    Filed: May 8, 2018
    Publication date: September 13, 2018
    Inventors: Seul-Ong KIM, Dong-Woo SHIN
  • Patent number: 10062848
    Abstract: An organic light-emitting device includes an emission layer and an electron transport layer. The emission layer includes at least one compound represented one of Formula 1, Formula 2 and/or Formula 3. The electron transport layer includes at least one compound represented by Formula 4 and/or Formula 5. An organic light-emitting device including the emission layer and the electron transport layer has high emission efficiency and an improved lifetime.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: August 28, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seul-Ong Kim, Dong-Woo Shin
  • Patent number: 10056562
    Abstract: An organic light-emitting device includes an anode, a cathode, and an organic layer between the anode and the cathode, wherein the organic layer includes a mixed organic layer, and the mixed organic layer includes at least two different compounds, and a triplet energy of at least one compound of the at least two different compounds is 2.2 eV or higher. The organic light-emitting device according to embodiments of the present invention may have a low driving voltage, a high efficiency, and a long lifespan.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: August 21, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
  • Publication number: 20180198097
    Abstract: A method of forming a thin film includes preparing a mixture including a light emitting layer material that forms a light emitting layer and a material that forms a layer adjacent to the light emitting layer, and sequentially laminating the light emitting layer and the layer adjacent to the light emitting layer onto a substrate inside a chamber by heating the mixture to a process temperature of the light emitting layer material and a process temperature of the additional material. The light emitting layer material and the additional material have process temperatures that are different from each other. The light emitting layer material and the additional material are laminated onto the substrate sequentially from one of the light emitting layer material and the additional material having a lower process temperature to one of the light emitting layer material and the additional material having a higher process temperature.
    Type: Application
    Filed: November 15, 2017
    Publication date: July 12, 2018
    Inventors: Jae Yong LEE, Ill Soo PARK, Seul Ong KIM, Chi Yeoung SHIM
  • Patent number: 10020459
    Abstract: An organic light-emitting device includes: 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, an electron transport region between the second electrode and the emission layer, and a mixed layer between the emission layer and the electron transport region, the mixed layer including a first material and a second material, the first material and the second material being selected from a pyrrolidine-based compound and a C10-C30 polycyclicaromatic hydrocarbon-based compound, and a triplet energy EgT1 of at least one selected from the first material and the second material being 2.2 eV or greater.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: July 10, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
  • Patent number: 10008674
    Abstract: An organic light emitting diode including a first compound represented by one of Chemical Formulae 1-A to 1-D and a second compound represented by Chemical Formula 2:
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: June 26, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Naoyuki Ito, Seul Ong Kim, Youn Sun Kim, Dong Woo Shin, Jung Sub Lee
  • Patent number: 9991460
    Abstract: Disclosed is an organic light emitting diode device including an anode and a cathode facing each other, an emission layer interposed between the anode and the cathode, and a first hole auxiliary layer interposed between the anode and the emission layer. The first hole auxiliary layer has a higher triplet energy (T1) than the emission layer.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: June 5, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seul-Ong Kim, Dong-Woo Shin
  • Patent number: 9978955
    Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes at least one first material and at least one second material, the first material being represented by one of Formulae 1-1 and 1-2, below, and the second material being represented by Formula 2, below: (A21)n21-(A22)n22-(A23)n23-(A24)n24.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: May 22, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee, Naoyuki Ito
  • Publication number: 20180138417
    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, wherein the organic layer includes at least one first material represented by Formula 1 and at least one second material represented by Formula 2:
    Type: Application
    Filed: January 15, 2018
    Publication date: May 17, 2018
    Inventors: Naoyuki ITO, Seul-Ong KIM, Youn-Sun KIM, Dong-Woo SHIN, Jung-Sub LEE
  • Patent number: 9972803
    Abstract: A carbazole-based compound is represented by Formula 1 and may be used in the organic layer of an organic light-emitting diode. An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first and second electrodes. The organic layer includes an emission layer, and the carbazole-based compound of Formula 1 may be included in the emission.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: May 15, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seul-Ong Kim, Dong-Woo Shin