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: 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: 20180366647
    Abstract: Provided are a condensed cyclic compound and an organic light-emitting device including the same. The organic light-emitting device may include a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer may include the condensed cyclic compound represented by Formula 1: In Formula 1, rings A1, A2, and A3 may each be independently a C5-C60 carbocyclic group or a C2-C30 heterocyclic group, and n1 to n3 may each be independently 0 or 1, provided that the sum of n1, n2, and n3 is 1. In addition, the descriptions of X1, L1 to L9, a1 to a9, Ar1 to Ar6, b1 to b6, R1 to R3, and c1 to c3 are as defined in the present specification.
    Type: Application
    Filed: January 11, 2018
    Publication date: December 20, 2018
    Inventors: Mieun Jun, Jongwoo Kim, Youngkook Kim, Seokhwan Hwang
  • Organic light-emitting device
    Patent number: 10147884
    Abstract: According to one or more embodiments, 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.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: December 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mieun Jun, Haejin Kim, 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
  • HETEROCYCLIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME
    Publication number: 20180334468
    Abstract: A heterocyclic compound and an organic electroluminescence device including the same, the compound being represented by the following Formula 1:
    Type: Application
    Filed: November 15, 2017
    Publication date: November 22, 2018
    Inventors: Heechoon AHN, Soo-byung KO, Mieun JUN, Sungbum KIM, Mina JEON, Youngkook KIM, Seokhwan HWANG
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180331305
    Abstract: Provided are an organometallic compound and an organic light-emitting device including the organometallic compound. The organometallic compound may be represented by Formula 1. In Formula 1, L1 may be a ligand represented by Formula 2A or 2B, and L2 may be a monovalent organic ligand or a divalent organic ligand.
    Type: Application
    Filed: January 10, 2018
    Publication date: November 15, 2018
    Inventors: Sungbum Kim, Soobyung Ko, Youngkook Kim, Mina Jeon, Mieun Jun, Seokhwan Hwang
  • Condensed-cyclic compound and organic light-emitting device comprising the same
    Patent number: 10121974
    Abstract: A condensed-cyclic compound is represented by Formula 1: where X, L1 to L3, R1 to R3, Ar1 to Ar6, c1 to c3, a1 to a2, and b1 to b3 are as defined in the specification.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: November 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mieun Jun, Sooyon Kim, Youngkook Kim, Seokhwan Hwang, Seunggak Yang
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180312533
    Abstract: A heterocyclic compound and an organic light-emitting device, the heterocyclic compound being represented by Formula 1:
    Type: Application
    Filed: November 9, 2017
    Publication date: November 1, 2018
    Inventors: Heechoon AHN, Soobyung KO, Mieun JUN, Sungbum KIM, Mina JEON, Youngkook KIM, Seokhwan HWANG
  • Compound and organic light-emitting device including the same
    Patent number: 10115907
    Abstract: A compound, an organic light-emitting device, and a flat display apparatus, the compound being represented by any one selected from the following Formula 1, Formula 2, and Formula 3:
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: October 30, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Daeyup Shin, Youngkook Kim, Jihwan Yoon
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180301638
    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 emission layer includes at least one heterocyclic compound of Formula 1. The heterocyclic compound may be a host or a delayed fluorescent dopant. The organic light-emitting device including the heterocyclic compound may have a low driving voltage, high efficiency, high luminance, and a long lifespan.
    Type: Application
    Filed: October 19, 2017
    Publication date: October 18, 2018
    Inventors: Heechoon AHN, Soobyung KO, Mieun JUN, Sungbum KIM, Mina JEON, Youngkook KIM, Seokhwan HWANG
  • Organic light-emitting device
    Patent number: 10096780
    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 and including an emission layer, wherein the organic layer includes: i) a hole transport region between the first electrode and the emission layer, and including at least one selected from a hole injection layer, a hole transport layer, an emission auxiliary layer, and an electron blocking layer, and ii) an electron transport region between the emission layer and the second electrode and including an electron transport layer, in addition to at least one selected from a hole blocking layer, an electron control layer, a buffer layer, and an electron injection layer, wherein the electron transport region includes a compound represented by Formula 1:
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: October 9, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngkook Kim, Junha Park, Munki Sim, Eunjae Jeong, Seokhwan Hwang
  • Condensed-cyclic compound and organic light-emitting device including the same
    Patent number: 10090474
    Abstract: A condensed-cyclic compound and an organic light-emitting device including the same, the compound being represented by Formula 1
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: October 2, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youngkook Kim, Soobyung Ko, Jongwoo Kim, Sanghyun Han, Seokhwan Hwang
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180269404
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same are provided. A condensed cyclic compound may be represented by Formula 1: wherein Xi may be C(Ri) or N or a substituent including Formula 2, wherein i is an integer: Further details about the structures of Formula 1 and Formula 2 are provided.
    Type: Application
    Filed: September 25, 2017
    Publication date: September 20, 2018
    Inventors: Heechoon Ahn, Soobyung KO, Mieun JUN, 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
  • CIRCUIT BREAKER HAVING CIRCUIT OPERATING DEVICE
    Publication number: 20180240634
    Abstract: A circuit breaker having a circuit operating device according to one embodiment of the present invention includes a circuit unit having a main circuit, a detecting unit having a detection circuit for detecting a fault current in the main circuit, and a circuit operating device configured to allow connection or isolation between the main circuit and the detection circuit, wherein the circuit operating device includes a first fixed unit and a second fixed unit connected to the main circuit and the detection circuit, respectively, and arranged in parallel to each other, and a moving unit rotatably coupled between the first fixed unit and the second fixed unit to connect or isolate the main circuit and the detection circuit to or from each other.
    Type: Application
    Filed: February 20, 2018
    Publication date: August 23, 2018
    Inventors: Seungpil YANG, Sangchul LEE, Youngkook KIM
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180237460
    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 comprising an emission layer comprising the heterocyclic compound of Formula 1 as a host or as a delayed fluorescent dopant.
    Type: Application
    Filed: January 12, 2018
    Publication date: August 23, 2018
    Inventors: Heechoon Ahn, Soobyung Ko, Mieun Jun, Youngkook Kim, Seokhwan Hwang
  • AMINE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20180226579
    Abstract: An amine-based compound and an organic light-emitting device including the same are provided. The 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 and at least one of the amine-based compound.
    Type: Application
    Filed: January 12, 2018
    Publication date: August 9, 2018
    Inventors: Jongwoo KIM, Sanghyun HAN, Youngkook KIM, Seokhwan HWANG
  • Compound and organic light-emitting device including the same
    Patent number: 10043980
    Abstract: A compound, an organic light-emitting device including the compound, and a display apparatus including the organic light-emitting device, the compound being represented by the following Formula 1:
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: August 7, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seokhwan Hwang, Jongwoo Kim, Youngkook Kim, Jino Lim
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 10026906
    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 and a condensed cyclic compound of Formula 1. The emission layer includes a host and a dopant, and the condensed cyclic compound acts as the dopant.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: July 17, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyejin Jung, Sooyon Kim, Youngkook Kim, Sanghyun Han, Seokhwan Hwang