Patents by Inventor Hyoyoung Lee

Hyoyoung Lee 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).

  • ORGANIC LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    Publication number: 20190296254
    Abstract: Provided are an organic light-emitting device including a first compound, a second compound, and a third compound, and an electronic apparatus including the same. The organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an emission layer disposed between the first electrode and the second electrode, the emission layer including the first compound, the second compound, and the third compound.
    Type: Application
    Filed: March 21, 2019
    Publication date: September 26, 2019
    Inventors: Soobyung KO, Sungbum KIM, Junha PARK, Munki SIM, Heechoon AHN, Hyoyoung LEE, Mina JEON, Mieun JUN, Junghoon HAN, Youngkook KIM, Seokhwan HWANG
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190288223
    Abstract: An organometallic compound is represented by Formula 1 below: In Formulae 1 and A-10, M11 may be selected from platinum (Pt), palladium (Pd), copper (Cu), silver (Ag), gold (Au), rhodium (Rh), iridium (Ir), ruthenium (Ru), osmium (Os), titanium (Ti), zirconium (Zr), hafnium (Hf), europium (Eu), terbium (Tb), and thulium (Tm). A10 may be a group represented by Formula A-10. 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, wherein the organic layer includes an emission layer and at least one of the organometallic compound.
    Type: Application
    Filed: March 12, 2019
    Publication date: September 19, 2019
    Inventors: Munki SIM, Junha PARK, Hyoyoung LEE, Soobyung KO, Sungbum KIM, Youngkook KIM, Mina JEON, Junghoon HAN, Seokhwan HWANG
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190280222
    Abstract: An organometallic compound represented by Formula 1 or 2 and an organic light-emitting device including the same.
    Type: Application
    Filed: November 28, 2018
    Publication date: September 12, 2019
    Inventors: Sungbum KIM, Soobyung KO, Junha PARK, Munki SIM, Heechoon AHN, Hyoyoung LEE, Mina JEON, Mieun JUN, Junghoon HAN, Youngkook KIM, Seokhwan HWANG
  • Metal-containing graphene hybrid composite, and preparing method of the same
    Patent number: 10407774
    Abstract: The present disclosure relates to a metal-containing graphene hybrid composite, a preparing method of the metal-containing graphene hybrid composite, and a preparing method of a metal-containing graphene hybrid film.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: September 10, 2019
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Hyoyoung Lee, Yeoheung Yoon
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190248801
    Abstract: A a heterocyclic compound and an organic light-emitting device including the same are presented. The organic light-emitting device includes two electrodes and an organic layer between the electrodes that includes an emission layer and at least one heterocyclic compound, which is represented by the following Formula: wherein ring A1 is selected from a C5-C60 carbocyclic group and a C1-C60 heterocyclic group, X1 is O, S, or Se, and Li is selected from a substituted or unsubstituted C5-C60 carbocyclic group, a substituted or unsubstituted C1-C60 heterocyclic group, *—Si(Q1)(Q2)-*?, *—P(?O)(Q1)-*?, *—P(?O)2—*?, *—P(?S)(Q1)-*?, *—P(?S)2—*?, *—S(?O)(Q1)-*?, and *—S(?O)2—*?. Other variables in the Formula are defined, and more specific structures are disclosed in the specification.
    Type: Application
    Filed: August 27, 2018
    Publication date: August 15, 2019
    Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Compound and organic light-emitting device including the same
    Patent number: 10319919
    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, wherein the organic layer comprises a compound represented by Formula 1. An organic light-emitting device including the compound may have high efficiency, low voltage, high luminance, and a long lifespan.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: June 11, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunyoung Lee, Youngkook Kim, Junha Park, Munki Sim, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 10305046
    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: Grant
    Filed: April 25, 2017
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Munki Sim, Youngkook Kim, Junha Park, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190131544
    Abstract: Provided are a condensed cyclic compound and an organic light-emitting device including the same. The 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 and including an emission layer and at least one of the condensed cyclic compound.
    Type: Application
    Filed: September 27, 2018
    Publication date: May 2, 2019
    Inventors: Junha PARK, Munki SIM, Hyoyoung LEE, Youngkook KIM, Seokhwan HWANG
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190131535
    Abstract: A heterocyclic compound and an organic light-emitting device including the same are provided. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode, where the organic layer may include an emission layer and at least one of the heterocyclic compound described above.
    Type: Application
    Filed: May 2, 2018
    Publication date: May 2, 2019
    Inventors: Hyoyoung Lee, Junha Park, Munki Sim, Youngkook Kim, Seokhwan Hwang
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190131540
    Abstract: Provided are a condensed cyclic compound represented by the following formulas and an organic light-emitting device including the same. The organic lightemitting device includes a first electrode; a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, where the organic layer includes an emission layer and at least one of the condensed cyclic compound described above.
    Type: Application
    Filed: July 30, 2018
    Publication date: May 2, 2019
    Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Compound and organic light-emitting device including the same
    Patent number: 10236452
    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 a compound represented by Formula 1. The organic light-emitting device including the compound of Formula 1 may have high efficiency, low driving voltage, high brightness, and long lifespan characteristics.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: March 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunjae Jeong, Youngkook Kim, Junha Park, Munki Sim, Eunyoung Lee, Hyoyoung Lee, Seokhwan Hwang
  • Interlayer distance controlled graphene, supercapacitor and method of producing the same
    Patent number: 10214422
    Abstract: A method of producing interlayer distance controlled graphene, an interlayer distance controlled graphene composition, and a supercapacitor are provided. A method of producing an interlayer distance controlled graphene involves dispersing a graphene oxide in a solution by using a surfactant, forming a reduced graphene oxide by adding a reducing agent into the solution containing the dispersed graphene oxide, and adding a pillar material that is activated at its both ends by a N2+ group into the solution containing the reduced graphene oxide to control an interlayer distance of the reduced graphene oxide.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: February 26, 2019
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Hyoyoung Lee, Keun Sik Lee
  • Functionalized reduced graphene oxide and methods of producing the same
    Patent number: 10207931
    Abstract: Functionalized reduced graphene oxide (functionalized rGO), and a method of producing the same are provided. The functionalized reduced graphene oxide comprises reduced graphene oxide which is fluorinated and co-doped with at least one co-dopant selected from the group consisting of B, N and S.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: February 19, 2019
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventor: Hyoyoung Lee
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190051841
    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, wherein the organic layer comprises an emission layer and a heterocyclic compound of Formula 1: wherein a1 to a3 satisfy a1+a2+a3?1.
    Type: Application
    Filed: March 6, 2018
    Publication date: February 14, 2019
    Inventors: Munki SIM, Junha PARK, Hyoyoung LEE, Youngkook KIM, Seokhwan HWANG
  • CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190044072
    Abstract: A condensed cyclic compound and an organic light-emitting device, the compound being represented by Formula 1:
    Type: Application
    Filed: January 10, 2018
    Publication date: February 7, 2019
    Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Reduced titanium dioxide and preparing method of the same
    Patent number: 10195586
    Abstract: The following description related to a reduced titanium dioxide, which is formed by reducing rutile titanium dioxide and includes a disordered surface, a preparing method the same, and a photocatalyst including the reduced titanium dioxide.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: February 5, 2019
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Hyoyoung Lee, Luyang Wang, Youngmin Kim
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180375028
    Abstract: Provided are a heterocyclic compound and an organic light-emitting device including the same. The heterocyclic compound includes a fluoro-containing cyclic group. The heterocyclic compound does not include a carbazole group, a dibenzofuran group, a dibenzothiophene group, and/or a triphenylene group. The 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 and including an organic layer, the organic layer including an emission layer and at least one of the heterocyclic compound.
    Type: Application
    Filed: January 10, 2018
    Publication date: December 27, 2018
    Inventors: Junha PARK, Munki SIM, Hyoyoung LEE, Youngkook KIM, Seokhwan HWANG
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180342682
    Abstract: A condensed cyclic compound and an organic light-emitting device are provided, the condensed cyclic compound being represented by Formula 1. in which R1 may be selected from a C6-C60 aryl group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group, each substituted with at least one selected from —F, —Cl, —Br, —I, a cyano group, and a nitro group, and at least one selected from R2 to R13 may be a group represented by Formula 2 *-(L11)a11-(Ar11)b11,??<Formula 2> Formulae 1 and 2 being fully described in the specification.
    Type: Application
    Filed: January 11, 2018
    Publication date: November 29, 2018
    Inventors: Junha PARK, Munki SIM, Hyoyoung LEE, Youngkook KIM, Seokhwan HWANG
  • Compound and organic light emitting device comprising same
    Patent number: 10074811
    Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer that is between the first electrode and the second electrode and includes an emission layer, wherein the organic layer includes a compound represented by Formula 1: When compounds represented by Formula 1 are used as an electron transport material, excellent I-V-L characteristics may be obtained.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: September 11, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junha Park, Youngkook Kim, Munki Sim, Eunyoung Lee, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 10069085
    Abstract: A heterocyclic compound is represented by Formula 1: wherein, in Formula 1, R1 to R4, R11, ring A1, L1, Ar1, c11, a1, and b1 are as defined in the specification.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: September 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoyoung Lee, Youngkook Kim, Junha Park, Munki Sim, Eunjae Jeong, Seokhwan Hwang