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).

  • Publication number: 20200381634
    Abstract: An organic electroluminescence device of an embodiment includes oppositely disposed first electrode and second electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one from among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.
    Type: Application
    Filed: May 5, 2020
    Publication date: December 3, 2020
    Inventors: Jang Yeol BAEK, Soo-Byung KO, Junha PARK, Hankyu PAK, Mun-Ki SIM, Chanseok OH, Hyoyoung LEE
  • Patent number: 10854823
    Abstract: Provided are a heterocyclic compound and an organic light-emitting device including the same.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: December 1, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoyoung Lee, Junha Park, Munki Sim, Eunjae Jeong, Youngkook Kim, Seokhwan Hwang
  • Patent number: 10818851
    Abstract: Provided are a condensed cyclic compound and an organic light-emitting device including the same. The material is represented by the formula A2-(A1)n1, wherein A2 may be selected from groups represented by Formula 2, A1 may be selected from groups represented by Formulae 2-1 to 2-4, and n1 may be an integer selected from 1 to 5: Organic light-emitting devices manufactured using this material were found to have lower driving voltages, higher brightness values, higher efficiencies, and longer half-lifespans.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: October 27, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junha Park, Youngkook Kim, Sungsoo Bae, Munki Sim, Eunyoung Lee, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • Publication number: 20200328351
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second Electrode, the organic layer including an emission layer; and at least one condensed cyclic compound represented by Formula 1: wherein, in Formula 1, at least one selected from R1 to R15 is a group represented by Formula 2:
    Type: Application
    Filed: October 9, 2019
    Publication date: October 15, 2020
    Inventors: Munki SIM, Sunyoung PAK, Junha PARK, Hankyu PAK, Jangyeol BAEK, Chanseok OH, Hyoyoung LEE, Minjung JUNG, Soobyung KO
  • Patent number: 10793436
    Abstract: Example embodiments relate to a method of preparing a two-dimensional (2D) transition metal chalcogenide nanostructure, the method including preparing a 2D transition metal chalcogenide nanostructure by a reaction between a transition metal precursor and a chalcogen precursor in a composition including a solvent, wherein the chalcogen precursor is a compound including a first bond connecting two neighboring chalcogen elements and the second bond connecting one of the two neighboring chalcogen elements and a hetero-element adjacent thereto, and binding energy of the second bond is 110% or less of the binding energy of the first bond, a 2D transition metal chalcogenide nanostructure prepared thereby, and a device including the 2D transition metal chalcogenide nanostructure.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: October 6, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeonjin Shin, Meeree Kim, Hyoyoung Lee, Yunhee Cho
  • Publication number: 20200274075
    Abstract: Provided are a heterocyclic compound represented by Formula 1 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, wherein the organic layer includes at least one heterocyclic compound represented by Formula 1.
    Type: Application
    Filed: March 5, 2020
    Publication date: August 27, 2020
    Inventors: Junha PARK, Hankyu PAK, Jangyeol BAEK, Munki SIM, Chanseok OH, Hyoyoung LEE, Soobyung KO, Youngkook KIM
  • Patent number: 10750613
    Abstract: The present application relates to a transparent electrode and a method for manufacturing the same. The transparent electrode includes a transparent substrate, a self-assembled monolayer on the transparent substrate, and a metal nanowire layer on the self-assembled monolayer. The method includes forming a self-assembled monolayer including a polar functional group on a transparent substrate and forming a metal nanowire layer on the self-assembled monolayer.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: August 18, 2020
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Hyoyoung Lee, Hanleem Lee
  • Patent number: 10720585
    Abstract: A compound is represented by Formula 1 and an organic light-emitting device including the same: wherein Formula 1 is the same as described above.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junha Park, Eunyoung Lee, Youngkook Kim, Munki Sim, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • Patent number: 10714695
    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 includes a compound represented by Formula 1:
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: July 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Eunyoung Lee, Youngkook Kim, Junha Park, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang, Mikyung Kim, Seunggak Yang
  • Patent number: 10693083
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same, the condensed cyclic compound being represented by Formula 1:
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: June 23, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunjae Jeong, Junha Park, Munki Sim, Hyoyoung Lee, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20200194683
    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 and including an emission layer, the organic layer including a heterocyclic compound that includes boron and nitrogen.
    Type: Application
    Filed: August 15, 2019
    Publication date: June 18, 2020
    Inventors: Munki SIM, Soobyung KO, Junha PARK, Hankyu PAK, Jangyeol BAEK, Chanseok OH, Hyoyoung LEE
  • Patent number: 10683208
    Abstract: A method of manufacturing a MXene nanosheet includes removing an A atomic layer from an inorganic compound having a formula of Mn+1AXn to form a nanosheet, the nanosheet having a formula of Mn+1XnTs, and reducing the nanosheet having a formula of Mn+1XnTs to form an MXene nanosheet, the MXene nanosheet having a formula of Mn+1Xn, wherein M is at least one of Group 3 transition metal, Group 4 transition metal, Group 5 transition metal, and Group 6 transition metal, A is at least one of a Group 12 element, Group 13 element, Group 14 element, Group 15 element and Group 16 element, X is one of carbon (C), nitrogen (N) and a combination thereof, Ts is one of oxide (O), epoxide, hydroxide (OH), alkoxide having 1-5 carbon atoms, fluoride (F), chloride (Cl), bromide (Br), iodide (I), and a combination thereof, and n is one of 1, 2 and 3.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: June 16, 2020
    Assignees: Samsung Electronics Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Hyeonjin Shin, Hyoyoung Lee, Yeoheung Yoon
  • Patent number: 10593887
    Abstract: A condensed cyclic compound represented by Formula 1 and an organic light-emitting apparatus including the same.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: March 17, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junha Park, Youngkook Kim, Munki Sim, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • Patent number: 10566545
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same are provided. The organic light-emitting device includes a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes the condensed cyclic compound represented by Formula 1: in Formula 1, A11 is a C1-C60 heterocyclic group, A12 is a C5-C60 carbocyclic group or a C1-C60 heterocyclic group, X11 is O or S, X12 is C, X13 is selected from N, C, and C(R13), X14 is selected from N, C, and C(R14), and X13 and X14 are linked via a single bond or a double bond.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Munki Sim, Junha Park, Hyoyoung Lee, Eunjae Jeong, Youngkook Kim, Seokhwan Hwang
  • Patent number: 10553799
    Abstract: A condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junha Park, Youngkook Kim, Munki Sim, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang
  • Publication number: 20200006671
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same, the condensed cyclic compound being represented by Formula 1:
    Type: Application
    Filed: March 6, 2019
    Publication date: January 2, 2020
    Inventors: Munki SIM, Junha PARK, Jangyeol BAEK, Hyoyoung LEE, Soobyung KO, Youngkook KIM
  • Patent number: 10475549
    Abstract: A structure including a graphene electrode and a molecular monolayer, a flexible electronic device, and a method of production thereof are provided. The structure includes a first graphene electrode and a molecular monolayer disposed on the first graphene electrode and chemically or physically bound to the first graphene electrode.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: November 12, 2019
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Hyoyoung Lee, Sohyeon Seo
  • Publication number: 20190334100
    Abstract: Provided are an organometallic compound represented by Formula 1 and an organic light-emitting device including the same. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer comprising an emission layer between the first electrode and the second electrode, the organic layer including the organometallic compound represented by Formula 1.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 31, 2019
    Inventors: Junghoon HAN, Soobyung KO, Sungbum KIM, Junha PARK, Munki SIM, Heechoon AHN, Hyoyoung LEE, Mina JEON, Mieun JUN, Youngkook KIM, Seokhwan HWANG
  • Publication number: 20190319196
    Abstract: An organic electroluminescence device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region. The emission layer includes a nitrogen-containing compound. The nitrogen-containing compound includes a triazine moiety and a carbazole moiety. In the carbazole moiety, at least one position among 2, 3 and 7 is substituted; each of positions 2 and 7 is substituted or unsubstituted with a substituted or unsubstituted phenyl group, or a substituted or unsubstituted carbazole group; and position 3 is substituted or unsubstituted with a substituted or unsubstituted phenyl group.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 17, 2019
    Inventors: Mun-ki SIM, Junha PARK, Jangyeol BAEK, Hyoyoung LEE, Soo-byung KO, Youngkook KIM, Seokhwan HWANG
  • Publication number: 20190296253
    Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an electronic apparatus including the organic light-emitting device. 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, wherein the organic layer comprises at least one of the organometallic compound represented by Formula 1.
    Type: Application
    Filed: November 30, 2018
    Publication date: September 26, 2019
    Inventors: Munki SIM, Soobyung KO, Sungbum KIM, Junha PARK, Heechoon AHN, Hyoyoung LEE, Mina JEON, Mieun JUN, Junghoon HAN, Youngkook KIM, Seokhwan HWANG