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).

  • 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
  • Substituted phosphines as components of organic light-emitting devices
    Patent number: 10388889
    Abstract: A heterocyclic compound and an organic light emitting device, the compound being represented by Formula 1:
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: August 20, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heechoon Ahn, Soobyung Ko, Mieun Jun, Youngkook Kim, Seokhwan Hwang
  • 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: 10381570
    Abstract: A compound represented by Formula 1, below, an organic light-emitting device including the compound represented by Formula 1, below, in an organic layer between a first electrode and a second electrode, and a display device including the organic light emitting device including the compound represented by Formula 1, below:
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: August 13, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jino Lim, Youngkook Kim, Jongwoo Kim, Hyungseok Jang, Seokhwan Hwang
  • Organic light-emitting display apparatus with an encapsulation unit
    Patent number: 10381596
    Abstract: An organic light-emitting display apparatus includes a substrate, an organic light-emitting device disposed above the substrate, and an encapsulation unit disposed above the organic light-emitting device and sealing the organic light-emitting device, wherein the encapsulation unit includes a compound represented by Formula 1. [R1-(L1)a1]b1-(Ar1)c1-[(L2)a2-R2]b2.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunjae Jeong, Youngkook Kim, Yohan Kim, Esu Kim, Jongwoo Kim, Jangyeol Baek, Wonmin Yun, Sanghyun Han, Seokhwan Hwang
  • Compound and organic light-emitting device including the same
    Patent number: 10367150
    Abstract: A compound represented by Formula 1 or Formula 2, and 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, the organic layer including an emission layer and the compound represented by Formula 1 or Formula 2.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: July 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eunjae Jeong, Youngkook Kim, Junha Park, Munki Sim, Eunyoung Lee, Seokhwan Hwang, Sungsoo Bae
  • Condensed-cyclic compound and organic light emitting device comprising the same
    Patent number: 10361373
    Abstract: The present disclosure provides a condensed-cyclic compound represented by Formula 1, in which one selected from R1 to R8 is a monoamine represented by Formula 2: The condensed-cyclic compound represented by Formula 1 may act as a hole transport material having a suitable energy level and band-gap. Further, the condensed-cyclic compound represented by Formula 1 has a fused core, and accordingly may have a high glass transition temperature (Tg), high melting point, and improved resistance to high temperatures. Therefore an organic light-emitting device including the condensed-cyclic compound represented by Formula 1 may retain high durability during storing and/or driving.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwanghyun Kim, Jongwoo Kim, Jeonga Oh, Youngkook Kim, Seokhwan Hwang
  • Compound and organic light-emitting device including same
    Patent number: 10340462
    Abstract: A compound represented by Formula 1, and an organic light-emitting device including the compound: In Formula 1, when L1 and/or L2 is a phenyl group, a pyridyl group, a pyrimidyl group, and/or a 1,3,5-triazinyl group having binding sites that are ortho- or meta- to each other, and the compound of Formula 1 is included the second hole transport layer (HTL2), the efficiency and luminance half-life of a device may increase due to the HTL2 having a higher T1 (e.g., triplet) energy level compared to examples in the related art using a para-substituted phenyl linker.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: July 2, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngkook Kim, Kwanghyun Kim, Jongwoo Kim, Seokhwan Hwang
  • HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190198774
    Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same are provided: When the nitrogen atom of the acridine moiety is combined (e.g., coupled) with an sp2 carbon atom of the pentagonal ring, either directly or through a pi-conjugated carbocyclic group, the compound may be electron rich and may easily transport charges. The heterocyclic compound represented by Formula 1 may be used as a delayed fluorescence emitter in the organic light-emitting device, and the device may have a low driving voltage, a high efficiency, a high luminance, and a long lifespan.
    Type: Application
    Filed: November 9, 2018
    Publication date: June 27, 2019
    Inventors: Mieun Jun, Soobyung Ko, Heechoon Ahn, Sungbum Kim, Mina Jeon, Youngkook Kim, Seokhwan Hwang
  • AMINE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190185460
    Abstract: An amine-based compound and an organic light-emitting device including the same are provided.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 20, 2019
    Inventors: Jongwoo KIM, Jangyeol BAEK, Eunjae JEONG, Sanghyun HAN, 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
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190157579
    Abstract: An organometallic compound and an organic light-emitting device including the same are provided. The organometallic compound may be represented by Formula 1. In the compound of Formula 1, 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). The structural characteristics of the organometallic compound may promote energy transfer, improve luminescent efficiency, and implement high color purity when applied to an organic light-emitting device.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 23, 2019
    Inventors: Mina JEON, Soobyung KO, Sungbum KIM, Heechoon AHN, Mieun JUN, Junghoon HAN, Youngkook KIM, Seokhwan HWANG
  • CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190140184
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same.
    Type: Application
    Filed: November 7, 2018
    Publication date: May 9, 2019
    Inventors: Sanghyun HAN, Sooyon KIM, Youngkook KIM, Jongwoo KIM, Hyejin JUNG, 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
  • LIGHT ABSORBER AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME
    Publication number: 20190131532
    Abstract: Provided is an organic electroluminescence device provided with a light absorber represented by Formula 1 below, and a light absorbing layer including the same. In Formula 1, Ar is pyrene, chrysene, or anthracene, and Y is a hydrogen atom or a substituent, and X is represented by any one of Formula 2-1 to 2-3 below.
    Type: Application
    Filed: October 31, 2018
    Publication date: May 2, 2019
    Inventors: Sanghyun HAN, Wonmin YUN, Jongwoo KIM, Jangyeol BAEK, Eunjae JEONG, Yohan KIM, Yisu KIM, 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
  • AMINE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE AMINE-BASED COMPOUND
    Publication number: 20190115543
    Abstract: Provided is an amine-based compound represented by one of Formulae 1-1 and 1-2. An 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 includes an emission layer and at least one amine-based compound described above.
    Type: Application
    Filed: May 1, 2018
    Publication date: April 18, 2019
    Inventors: Youngkook Kim, Jongwoo Kim, Jangyeol Baek, Eunjae Jeong, Sanghyun Han, Seokhwan Hwang
  • Carbazole-based compound and organic light-emitting device including the same
    Patent number: 10249830
    Abstract: A carbazole-based compound and an organic light-emitting device including the same, wherein the carbazole-based compound is represented by Formula 1: wherein in Formula 1, at least one selected from R1 to R9 may be a group represented by Formula 2, and rings A and B are each selected from a phenyl or a naphthyl. When at least one compound represented by Formula 1 is included as a green fluorescent host in an emission layer of an organic light-emitting device, the example OLEDs may have improved efficiencies and longer lifespans compared to the organic light-emitting devices of the related art.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: April 2, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngkook Kim, Hyejin Jung, Sanghyun Han, Seokhwan Hwang