Patents by Inventor Ha Il KWON

Ha Il KWON 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).

  • Patent number: 11958998
    Abstract: A composition including a plurality of quantum dots; a binder polymer; a thiol compound having at least two thiol groups; a polyvalent metal compound; a polymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: April 16, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Ha Il Kwon, Tae Gon Kim, Shang Hyeun Park, Eun Joo Jang, Shin Ae Jun, Garam Park
  • Patent number: 11939422
    Abstract: A copolymer including a structural unit represented by Chemical Formula 1 wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masashi Tsuji, Fumiaki Kato, Naotoshi Suganuma, Takahiro Fujiyama, Yusaku Konishi, Dae Young Chung, Ha Il Kwon, Soonmin Cha, Tae Ho Kim
  • Patent number: 11910697
    Abstract: A copolymer having a structural unit represented by Chemical Formula 1 is provided. The copolymer may improve performance, e.g., luminous efficiency, of an electroluminescence device. In Chemical Formula 1, the definition of each substituent is as described in the detailed description.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Fumiaki Kato, Masashi Tsuji, Takao Motoyama, Yusaku Konishi, Keigo Furuta, Takahiro Fujiyama, Tae Ho Kim, Won Sik Yoon, Ha Il Kwon, Dae Young Chung, Eun Joo Jang
  • Publication number: 20230212334
    Abstract: A polymer including a structural unit represented by Chemical Formula 1, an electroluminescence device material including the polymer, an electroluminescence device including the polymer or the electroluminescence device material, and an electronic device including the electroluminescence device are provided: In Chemical Formula 1, the definition of each substituent is the same as described in the specification.
    Type: Application
    Filed: January 5, 2023
    Publication date: July 6, 2023
    Inventors: Takahiro FUJIYAMA, Norihito ISHII, Fumiaki KATO, Masashi TSUJI, Naotoshi SUGANUMA, Yusaku KONISHI, Eun Joo JANG, Ha Il KWON, Hyo Sook JANG, Soonmin CHA, Tae Ho KIM, Wonsik YOON, Yuho WON
  • Publication number: 20230212335
    Abstract: As a technology capable of improving the durability of an electroluminescent device, for example, luminescence lifespan, a polymeric compound including a structural unit represented by Chemical Formula 1, or a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and an electroluminescent device material or electroluminescent device including the same are provided: In Chemical Formula 1 and Chemical Formula 2, R11 to R14 are not the same as R41 to R44.
    Type: Application
    Filed: January 5, 2023
    Publication date: July 6, 2023
    Inventors: Norihito ISHII, Fumiaki KATO, Masashi TSUJI, Naotoshi SUGANUMA, Takahiro FUJIYAMA, Yusaku KONISHI, Eun Joo JANG, Ha Il KWON, Hyo Sook JANG, Soonmin CHA, Tae Ho KIM, Wonsik YOON, Yuho WON
  • Patent number: 11613694
    Abstract: A quantum dot-polymer composite film includes: a plurality of quantum dots, wherein a quantum dot of the plurality of quantum dots includes an organic ligand on a surface of a the quantum dot; a cured product of a photopolymerizable monomer including a carbon-carbon unsaturated bond; and a residue including a residue of a high-boiling point solvent, a residue of a polyvalent metal compound, or a combination thereof.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: March 28, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Tae Gon Kim, Ha Il Kwon, Shin Ae Jun
  • Patent number: 11401468
    Abstract: A photosensitive resin composition includes (A) a photo-conversion material; (B) a metal-containing compound; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, wherein the metal-containing compound includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, 5 V, Cr, Mn, Fe, Co, Ni, Cu, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure, a complex including a polymer matrix in which a photo-conversion material is dispersed, wherein the polymer matrix includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure and an ester linking group, a laminated structure including the complex, and a display device and an electronic device including the laminated structure.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: August 2, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Jinsuop Youn, Ha Il Kwon, Misun Kim, Jooyeon Ahn, Hyeyeon Yang, Bumjin Lee, Jongmin Lee, Shin Ae Jun, Hyunjoo Han
  • Publication number: 20220213022
    Abstract: Provided is a compound represented by Chemical Formula 1 capable of manufacturing an EL device by inkjet printing. In Chemical Formula 1, n is an integer of greater than or equal to 3 and less than or equal to 10, X is a group represented by Chemical Formula 2 and a plurality of X's may be the same or different from each other, and Y is a group represented by Chemical Formula 3 and a plurality of Y's may be the same or different from each other.
    Type: Application
    Filed: December 23, 2021
    Publication date: July 7, 2022
    Inventors: Fumiaki KATO, Tomoyuki KIKUCHI, Hiroko ENDO, Keigo FURUTA, Keisuke KORAI, Mitsunori ITO, Naotoshi SUGANUMA, Takao MOTOYAMA, Dae Young CHUNG, Eun Joo JANG, Ha Il KWON, Hyo Sook JANG, Soonmin CHA, Tae Ho KIM
  • Publication number: 20220204673
    Abstract: Disclosed is a copolymer including a structural unit represented by Chemical Formula 1 capable of improving performance (particularly durability) of an electroluminescent device.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 30, 2022
    Inventors: Takahiro FUJIYAMA, Tomoyuki KIKUCHI, Fumiaki KATO, Masashi TSUJI, Naotoshi SUGANUMA, Norihito ISHII, Dae Young CHUNG, Ha Il KWON, Soonmin CHA, Tae Ho KIM
  • Publication number: 20220195110
    Abstract: A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof: wherein R1, R2, R3, X1, X2, and Ar1 are as provided herein.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 23, 2022
    Inventors: Norihito ISHII, Takahiro FUJIYAMA, Masashi TSUJI, Naotoshi SUGANUMA, Yusaku KONISHI, Dae Young CHUNG, Eun Joo JANG, Ha Il KWON, Hyo Sook JANG, Soonmin CHA, Tae Ho KIM, Fumiaki KATO
  • Publication number: 20220177642
    Abstract: A copolymer including a structural unit represented by Chemical Formula 1 wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 9, 2022
    Inventors: Masashi TSUJI, Fumiaki KATO, Naotoshi SUGANUMA, Takahiro FUJIYAMA, Yusaku KONISHI, Dae Young CHUNG, Ha Il KWON, Soonmin CHA, Tae Ho KIM
  • Publication number: 20220077394
    Abstract: A copolymer having a structural unit represented by Chemical Formula 1 is provided. The copolymer may improve performance, e.g., luminous efficiency, of an electroluminescence device. In Chemical Formula 1, the definition of each substituent is as described in the detailed description.
    Type: Application
    Filed: September 9, 2021
    Publication date: March 10, 2022
    Inventors: Fumiaki KATO, Masashi TSUJI, Takao MOTOYAMA, Yusaku KONISHI, Keigo FURUTA, Takahiro FUJIYAMA, Tae Ho KIM, Won Sik YOON, Ha Il KWON, Dae Young CHUNG, Eun Joo JANG
  • Patent number: 11186767
    Abstract: A quantum dot including a first ligand and a second ligand on a surface of the quantum dot, a composition or composite including the same, and a device including the same. The first ligand includes a compound represented by Chemical Formula 1 and the second ligand includes a compound represented by Chemical Formula 2: MAn??Chemical Formula 1 wherein M, n, and A are the same as defined in the specification; and wherein, R1, L1, Y1, R, k1, and k2 are the same as defined in the specification.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: November 30, 2021
    Assignees: SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jooyeon Ahn, Ha Il Kwon, Shang Hyeun Park, Nayoun Won, Eun Joo Jang, Shin Ae Jun
  • Patent number: 11139441
    Abstract: A quantum dot device including an anode and a cathode facing each other, a quantum dot layer disposed between the anode and the cathode, and an electron transport layer disposed between the cathode and the quantum dot layer, wherein the quantum dot layer includes an emissive quantum dot emitting light in at least one part of a wavelength region in a visible region and a non-emissive quantum dot configured to not emit light in a visible region, and a difference between a lowest unoccupied molecular orbital (LUMO) energy level of the non-emissive quantum dot and a LUMO energy level of the electron transport layer is greater than or equal to about 0.5 electronvolts (eV).
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: October 5, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaejun Chang, Sang Jin Lee, Eun Joo Jang, Ha Il Kwon, Dae Young Chung
  • Publication number: 20210301200
    Abstract: A quantum dot-polymer composite film includes: a plurality of quantum dots, wherein a quantum dot of the plurality of quantum dots includes an organic ligand on a surface of a the quantum dot; a cured product of a photopolymerizable monomer including a carbon-carbon unsaturated bond; and a residue including a residue of a high-boiling point solvent, a residue of a polyvalent metal compound, or a combination thereof.
    Type: Application
    Filed: June 14, 2021
    Publication date: September 30, 2021
    Inventors: Tae Gon KIM, Ha Il KWON, Shin Ae JUN
  • Publication number: 20210284905
    Abstract: A composition including a plurality of quantum dots; a binder polymer; a thiol compound having at least two thiol groups; a polyvalent metal compound; a polymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent.
    Type: Application
    Filed: May 5, 2021
    Publication date: September 16, 2021
    Inventors: Ha Il KWON, Tae Gon KIM, Shang Hyeun PARK, Eun Joo JANG, Shin Ae JUN, Garam PARK
  • Patent number: 11060026
    Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other, and an emissive layer disposed between the first electrode and the second electrode and including the quantum dots. The quantum dots include a semiconductor nanocrystal core including indium (In) and phosphorous (P), a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc and sulfur, wherein the quantum dots do not include cadmium. The electroluminescent device has an external quantum efficiency of greater than or equal to about 9% and a maximum brightness of greater than or equal to about 10,000 candelas per square meter (cd/m2).
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: July 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yuho Won, Ha Il Kwon, Eun Joo Jang, Jaejun Chang, Dae Young Chung
  • Patent number: 11034884
    Abstract: A quantum dot-polymer composite film includes: a plurality of quantum dots, wherein a quantum dot of the plurality of quantum dots includes an organic ligand on a surface of a the quantum dot; a cured product of a photopolymerizable monomer including a carbon-carbon unsaturated bond; and a residue including a residue of a high-boiling point solvent, a residue of a polyvalent metal compound, or a combination thereof.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: June 15, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Tae Gon Kim, Ha Il Kwon, Shin Ae Jun
  • Patent number: 11021650
    Abstract: A composition including a plurality of quantum dots; a binder polymer; a thiol compound having at least two thiol groups; a polyvalent metal compound; a polymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: June 1, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Ha Il Kwon, Tae Gon Kim, Shang Hyeun Park, Eun Joo Jang, Shin Ae Jun, Garam Park
  • Patent number: 10988685
    Abstract: A quantum dot including a first ligand and a second ligand on a surface of the quantum dot, a composition or composite including the same, and a device including the same. The first ligand includes a compound represented by Chemical Formula 1 and the second ligand includes a compound represented by Chemical Formula 2: MAn??Chemical Formula 1 wherein M, n, and A are the same as defined in the specification; and wherein, R1, L1, Y1, R, k1, and k2 are the same as defined in the specification.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: April 27, 2021
    Assignees: SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jooyeon Ahn, Ha Il Kwon, Shang Hyeun Park, Nayoun Won, Eun Joo Jang, Shin Ae Jun