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).

  • Publication number: 20180198074
    Abstract: Provided are a heterocyclic compound and an organic light-emitting device including the same.
    Type: Application
    Filed: August 1, 2017
    Publication date: July 12, 2018
    Inventors: Hyoyoung LEE, Junha PARK, Munki SIM, Eunjae JEONG, Youngkook KIM, Seokhwan HWANG
  • Publication number: 20180191091
    Abstract: The present invention relates to an isolation mechanism of a controller for a direct current circuit breaker, which has a simple structure for isolation and connection manipulation. The isolation mechanism of a controller for a circuit breaker comprises a first connector that has a plurality of output terminals electrically connected to the controller and a plurality of input terminals detached from the output terminals for connecting an input electric power source; and a second connector that has a first connection position connected to the first connector and a second connection position rotated at 180° from the first connection position and connected to the first connector, and has a conductor wiring portion electrically connecting the output terminals with the input terminals at the first connection position and electrically disconnecting the output terminals from the input terminals at the second connection position.
    Type: Application
    Filed: December 27, 2017
    Publication date: July 5, 2018
    Inventor: Youngkook KIM
  • Patent number: 10008676
    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, wherein the organic layer includes a compound of Formula 1: wherein R1, R2, X, m, and n in Formula 1 are as defined in the specification.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: June 26, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sanghyun Han, Kwanghyun Kim, Sooyon Kim, Haejin Kim, Youngkook Kim, Seokhwan Hwang, Jongwoo Kim
  • Patent number: 10003029
    Abstract: An organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic emission layer between the first electrode and the second electrode. The organic emission layer may include a compound represented by Formula 1: wherein Formula 1 contains an indenoindenyl moiety. The compound may increase hole mobility in the device when used as a hole transport and/or hole injection material, thereby improving its lifetime, current, voltage, and luminescent characteristics.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: June 19, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyejin Jung, Youngkook Kim, Seokhwan Hwang, Kwanghyun Kim, Sanghyun Han, Miehwa Park
  • Publication number: 20180166635
    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: June 21, 2017
    Publication date: June 14, 2018
    Inventors: Eunjae JEONG, Junha PARK, Munki SIM, Hyoyoung LEE, Youngkook KIM, Seokhwan HWANG
  • Publication number: 20180166639
    Abstract: A condensed cyclic compound which improves emission life and efficiency and an organic electroluminescence device is provided. The condensed cyclic compound according to the inventive concept is represented by the following where each of X, Y and Z is independently a substituted or unsubstituted pentagonal hydrocarbon ring, a substituted or unsubstituted hexagonal hydrocarbon ring, a substituted or unsubstituted pentagonal heterocycle, or a substituted or unsubstituted hexagonal heterocycle, the pentagonal heterocycle and the hexagonal heterocycle each independently includes one heteroatom, each of a and b is independently 0 or 1, and Ar1 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring.
    Type: Application
    Filed: December 13, 2017
    Publication date: June 14, 2018
    Inventors: Junha PARK, Mun-ki SIM, Hyoyoung LEE, Eunjae JEONG, Youngkook KIM, Seokhwan HWANG
  • Publication number: 20180166637
    Abstract: Provided is a compound represented by Formula 1 below: wherein Formula 1 is described in the detailed description.
    Type: Application
    Filed: December 13, 2017
    Publication date: June 14, 2018
    Inventors: Soobyung Ko, Haejin Kim, Mieun Jun, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20180159050
    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 and at least one condensed cyclic compound of Formula 1.
    Type: Application
    Filed: December 4, 2017
    Publication date: June 7, 2018
    Inventors: Youngkook Kim, Heechoon Ahn, Mieun Jun, Soobyung Ko, Seokhwan Hwang
  • Patent number: 9991452
    Abstract: A condensed-cyclic compound is represented by Formula 1: where X1 and R1 to R10 are as defined in the specification, and at least one of R1 to R10 is a group represented by Formula 2, and at least one of R1 to R10 is a group represented by Formula 3: where L1, L2, Ar1 to Ar4, a1 and a2 are as defined in the specification.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: June 5, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sooyon Kim, Kwanghyun Kim, Youngkook Kim, Sanghyun Han, Seokhwan Hwang
  • Patent number: 9966543
    Abstract: A compound, an organic light-emitting device, and a flat panel display apparatus, the compound being represented by the following Formula 1:
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: May 8, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youngkook Kim, Jongwoo Kim, Junha Park, Hyejin Jung, Seokhwan Hwang
  • Patent number: 9957441
    Abstract: An amine-based compound and an organic light-emitting device, the amine-based compound being represented by Formula 1 below:
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: May 1, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyungseok Jang, Youngkook Kim, Jongwoo Kim, Jino Lim, Seokhwan Hwang
  • Publication number: 20180114927
    Abstract: An organometallic compound and an organic light-emitting device including the same are provided. The organometallic compound has Formula 1: wherein M is a third row transition metal, L1 is a ligand represented by Formula 2A and n1 is 1, 2, or 3, L2 is a ligand represented by Formula 2B and n2 is 0, 1, or 2. When n1 is two or more, two or more L1(s) are identical to or different from each other. When n2 is two or more, two or more L2(s) are identical to or different from each other. Details about Formula 2A and Formula 2B are provided.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 26, 2018
    Inventors: Soobyung Ko, Sungbum KIM, Youngkook KIM, Heechoon AHN, Mieun JUN, Seokhwan HWANG
  • Publication number: 20180105741
    Abstract: A condensed cyclic compound and a device including the same are provided. The compound has the structure wherein rings A1-A4 may independently be selected from a C5-C30 carbocyclic ring and a C2-C30 heterocyclic ring, R1 to R4 may independently be selected from Formula 2-1, Formula 2-2, hydrogen, deuterium (-D), —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q1)(Q2)(Q3), —B(Q1)(Q2), —C(?O)(Q1), —S(?O)2(Q1), and —P(?O)(Q1)(Q2). Details, including structures of Formula 2-1 and Formula 2-2, are provided.
    Type: Application
    Filed: October 17, 2017
    Publication date: April 19, 2018
    Inventors: SOOBYUNG KO, Haejin Kim, Mieun Jun, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20180102489
    Abstract: A compound is represented by Formula 1 below: wherein each of Ar1, Ar2, and L is independently selected from a list of substituted or unsubstituted aryl groups, l is 0 or 1, m is an integer from 1 to 5, n is 2 or 3. When m is two or more, two or more L(s) are identical to or different from each other. M indicates a post-transition metal or a transition metal.
    Type: Application
    Filed: October 10, 2017
    Publication date: April 12, 2018
    Inventors: Soobyung KO, Haejin KIM, Mieun JUN, Youngkook KIM, Seokhwan HWANG
  • Publication number: 20180097186
    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: Application
    Filed: August 23, 2017
    Publication date: April 5, 2018
    Inventors: MUNKI SIM, Junha Park, Hyoyoung Lee, Eunjae Jeong, Youngkook Kim, Seokhwan Hwang
  • Patent number: 9923147
    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 condensed cyclic compound represented by Formula 1; and at least one selected from a first compound represented by Formula 11, a second compound represented by Formula 12, and a third compound represented by Formula 13:
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: March 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haejin Kim, Mieun Jun, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20180053893
    Abstract: A condensed-cyclic compound and an organic light-emitting device including the same, the compound being represented by Formula 1
    Type: Application
    Filed: July 14, 2017
    Publication date: February 22, 2018
    Inventors: Youngkook KIM, Soobyung KO, Jongwoo KIM, Sanghyun HAN, Seokhwan HWANG
  • Publication number: 20180053902
    Abstract: A compound represented by Formula 1 is provided: wherein Formula 1 is the same as described in the detailed description of the present disclosure. The compound of Formula 1 may be included in a hole transport layer and/or an emission layer of an organic light-emitting device (OLED).
    Type: Application
    Filed: July 14, 2017
    Publication date: February 22, 2018
    Inventors: Haejin KIM, Soobyung KO, Mieun JUN, Youngkook KIM, Seokhwan HWANG
  • Patent number: 9899611
    Abstract: A condensed cyclic compound and an organic light-emitting device, the condensed cyclic compound being represented by Formula 1 below:
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: February 20, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junha Park, Youngkook Kim, Munki Sim, Eunjae Jeong, Seokhwan Hwang
  • Patent number: 9893295
    Abstract: Provided are a compound represented by Formula 1 and an organic light-emitting device including the same: wherein substituents of Formula 1 are understood by referring to the description provided in the detailed description.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: February 13, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jongwoo Kim, Youngkook Kim, Jino Lim, Hyungseok Jang, Seokhwan Hwang