Patents by Inventor Dong-Kyun Seo

Dong-Kyun Seo 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: 20230364581
    Abstract: A carbon dioxide adsorbent including a hierarchical zeolite. The hierarchical zeolite defines micropores having a pore width between about 0.4 nm and about 2 nm, and at least one of: mesopores having a pore width between about 2 nm and about 50 nm; and macropores having a pore width greater than about 50 nm.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 16, 2023
    Inventors: Dong-Kyun Seo, Farid Akhtar
  • Patent number: 11745163
    Abstract: A carbon dioxide adsorbent including a hierarchical zeolite. The hierarchical zeolite defines micropores having a pore width between about 0.4 nm and about 2 nm, and at least one of: mesopores having a pore width between about 2 nm and about 50 nm; and macropores having a pore width greater than about 50 nm.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: September 5, 2023
    Assignee: Arizona Board of Regents on behalf of Arizona State University
    Inventors: Dong-Kyun Seo, Farid Akhtar
  • Publication number: 20230215986
    Abstract: A light-emitting element includes a core comprising a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an emissive layer disposed between the first semiconductor layer and the second semiconductor layer, an interlayer dielectric film surrounding a side surface of the core, a first element insulating film surrounding an outer surface of the interlayer dielectric film, and a second element insulating film surrounding an outer surface of the first element insulating film. The interlayer dielectric film includes an oxide insulating material having a dielectric constant of about 10 or more, and the interlayer dielectric film has a thickness of less than or equal to about 5 nm.
    Type: Application
    Filed: August 8, 2022
    Publication date: July 6, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyung Rae CHA, Dae Hyun KIM, Dong Uk KIM, Dong Kyun SEO, Young Chul SIM
  • Publication number: 20230079920
    Abstract: A collimator includes: a transmission pattern transmitting light; and a non-transmission layer disposed on at least one side surface of the transmission pattern. The non-transmission layer includes a low reflective metal material.
    Type: Application
    Filed: April 15, 2022
    Publication date: March 16, 2023
    Inventors: Yong Hoon Yang, Dong Kyun Seo, Hyun Young Jung
  • Publication number: 20230066350
    Abstract: A light emitting element may include: a light emitting element core including a first semiconductor layer, a second semiconductor layer, and a light emitting layer between the first semiconductor layer and the second semiconductor layer; and a single crystal insulating layer around a side surface of the light emitting element core.
    Type: Application
    Filed: May 5, 2022
    Publication date: March 2, 2023
    Inventors: Young Chul SIM, Jin Wan KIM, Dong Uk KIM, Dong Kyun SEO, Byung Ju LEE, Seung Geun LEE, Hyung Rae CHA
  • Publication number: 20230018385
    Abstract: A light-emitting element and a display device including the same are provided. The light-emitting element comprising: a light-emitting element core including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and a light-emitting layer disposed between the first semiconductor layer and the second semiconductor layer, a nitride insulating film surrounding a side face of the light-emitting element core, a first element insulating film surrounding an outer side face of the nitride insulating film, and a second element insulating film surrounding an outer side face of the first element insulating film, wherein a thickness of the nitride insulating film is smaller than each of a thickness of the first element insulating film and a thickness of the second element insulating film.
    Type: Application
    Filed: February 18, 2022
    Publication date: January 19, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyung Rae CHA, Dong Uk KIM, Dong Kyun SEO, Young Chul SIM
  • Publication number: 20220389599
    Abstract: An electrolytic cell includes a liquid metal cathode, an anode, and a molten salt electrolyte in contact with the liquid metal cathode and the anode. The molten salt electrolyte includes carbonate ions, and the electrolytic cell is configured to reduce the carbonate ions at the surface of the cathode or in the vicinity of the cathode to yield a carbon material and oxide ions. Producing a carbon material in the electrolytic cell includes providing carbonate ions to the electrolytic cell, reducing the carbonate ions at the liquid metal cathode to yield the carbon material, and removing the carbon material from the electrolytic cell.
    Type: Application
    Filed: June 7, 2022
    Publication date: December 8, 2022
    Inventor: Dong-Kyun Seo
  • Patent number: 11215879
    Abstract: A display device according to an exemplary embodiment includes: a plurality of transistors disposed on a substrate; a plurality of pixel electrodes electrically connected to the plurality of transistors; a plurality of first color filters, a plurality of second color filters, and a plurality of third color filters disposed between the plurality of transistors and the plurality of pixel electrodes; and a plurality of main spacers and a plurality of sub-spacers disposed on the pixel electrode, wherein the plurality of main spacers and the plurality of sub-spacers are disposed to overlap selected portions of the plurality of first color filters in a plan view, respectively, and not to overlap the plurality of second color filters and the plurality of third color filters in a plan view.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: January 4, 2022
    Inventors: Je Hyeong Park, Dong Lim Kim, Wan Namgung, Ji Eun Park, Dong Kyun Seo, Min Hee Son, Hyoung Wook Song, Beom Hee Han, Ki Pyo Hong
  • Patent number: 11186490
    Abstract: Nanostructured aluminosilicates including aluminosilicate nanorods are formed by heating a geopolymer resin containing up to about 90 mol % water in a closed container at a temperature between about 70° C. and about 200° C. for a length of time up to about one week to yield a first material including the aluminosilicate nanorods. The aluminosilicate nanorods have an average width of the between about 5 nm and about 30 or between about 5 nm and about 60 nm or between about 5 nm and about 100 nm, and a majority of the aluminosilicate nanorods have an aspect ratio between about 2 and about 100.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: November 30, 2021
    Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
    Inventors: Dong-Kyun Seo, Lukas Sorge, Shaojiang Chen
  • Patent number: 11145846
    Abstract: An apparatus and a method for manufacturing a display device are provided. An apparatus for manufacturing a display device includes a first unit configured to remove impurities of a support substrate, a second unit configured to form a sacrificial layer on the support substrate, a third unit configured to form a flexible substrate on the sacrificial layer, and a fourth unit configured to form a display unit on the flexible substrate. The second unit includes a moving unit movable in a first direction to receive the support substrate, a first supply nozzle configured to spray a solution onto the support substrate to coat a graphene oxide layer, and a second supply nozzle configured to dry the graphene oxide layer coated on the support substrate while removing a portion of the graphene oxide layer, to form the sacrificial layer.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: October 12, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Jun Moon, Byung Hoon Kang, Dong Kyun Seo, Hee Kyun Shin, Jun Ho Sim, Woo Jin Cho
  • Publication number: 20210309858
    Abstract: A modified bitumen includes bitumen and a bitumen modifier. The bitumen modifier includes composite particles. The composite particles include aluminosilicate nanostructures defining nanopores and micropores and paraffin wax adhered to surfaces of the aluminosilicate nanostructures. Modifying bitumen includes combining bitumen and the bitumen modifier.
    Type: Application
    Filed: April 1, 2021
    Publication date: October 7, 2021
    Inventors: Dong-Kyun Seo, Kamil Kaloush, Alireza Samieadel, Elham Fini, Shaojiang Chen
  • Publication number: 20210178360
    Abstract: A carbon dioxide adsorbent including a hierarchical zeolite. The hierarchical zeolite defines micropores having a pore width between about 0.4 nm and about 2 nm, and at least one of: mesopores having a pore width between about 2 nm and about 50 nm; and macropores having a pore width greater than about 50 nm.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 17, 2021
    Inventors: Dong-Kyun Seo, Farid Akhtar
  • Publication number: 20210139335
    Abstract: Nanostructured aluminosilicates including aluminosilicate nanorods are formed by heating a geopolymer resin containing up to about 90 mol % water in a closed container at a temperature between about 70° C. and about 200° C. for a length of time up to about one week to yield a first material including the aluminosilicate nanorods. The aluminosilicate nanorods have an average width of the between about 5 nm and about 30 or between about 5 nm and about 60 nm or between about 5 nm and about 100 nm, and a majority of the aluminosilicate nanorods have an aspect ratio between about 2 and about 100.
    Type: Application
    Filed: November 9, 2020
    Publication date: May 13, 2021
    Inventors: Dong-Kyun Seo, Lukas Sorge, Shaojiang Chen
  • Publication number: 20210104672
    Abstract: A coating composition includes a graphene oxide and a solvent. At least one of a carboxyl group and an epoxide group of the graphene oxide is functionalized by an amine. The amine has an activation energy to an epoxide group of the graphene oxide of about ?3 kcal/mol to about 8 kcal/mol. A method of forming a stacked structure using the coating composition is provided. A method of manufacturing a display device using the coating composition is provided.
    Type: Application
    Filed: September 23, 2020
    Publication date: April 8, 2021
    Applicants: Samsung Display Co., LTD., DONGJIN SEMICHEM CO., LTD.
    Inventors: Hee Kyun SHIN, Dong Kyun SEO, Jun Ho SIM, Woo Jin CHO, Byung Hoon KANG, Seung Jun MOON, Sun Chan PARK, Hee Won SEO, Ji Eun CHO, Kyu Soon SHIN
  • Patent number: 10926241
    Abstract: A carbon dioxide adsorbent including a hierarchical zeolite. The hierarchical zeolite defines micropores having a pore width between about 0.4 nm and about 2 nm, and at least one of: mesopores having a pore width between about 2 nm and about 50 nm; and macropores having a pore width greater than about 50 nm.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: February 23, 2021
    Assignee: Arizona Board of Regents on behalf of Arizona State University
    Inventors: Dong-Kyun Seo, Farid Akhtar
  • Publication number: 20210018779
    Abstract: A display device may include the following elements: a transistor; a pixel electrode electrically connected to the transistor; a first color filter overlapping the pixel electrode; a first color filtering member including a same material as the first color filter; a second color filter partially overlapping the first color filter or immediately neighboring the first color filter; a third color filter overlapping the first color filtering member and partially overlapping the second color filter or immediately neighboring the second color filter; a main spacer overlapping the third color filter; and an auxiliary spacer overlapping the first color filter or the second color filter and being shorter than the main spacer. The third color filter includes a first portion and a second portion. The first portion overlaps the first color filtering member. The second portion neighbors the first portion and is thicker than the first portion.
    Type: Application
    Filed: February 10, 2020
    Publication date: January 21, 2021
    Inventors: Beom Hee HAN, Je Hyeong PARK, Wan NAMGUNG, Ji Eun PARK, Dong Kyun SEO, Ki Pyo HONG
  • Publication number: 20210018784
    Abstract: A display device according to an exemplary embodiment includes: a plurality of transistors disposed on a substrate; a plurality of pixel electrodes electrically connected to the plurality of transistors; a plurality of first color filters, a plurality of second color filters, and a plurality of third color filters disposed between the plurality of transistors and the plurality of pixel electrodes; and a plurality of main spacers and a plurality of sub-spacers disposed on the pixel electrode, wherein the plurality of main spacers and the plurality of sub-spacers are disposed to overlap selected portions of the plurality of first color filters in a plan view, respectively, and not to overlap the plurality of second color filters and the plurality of third color filters in a plan view.
    Type: Application
    Filed: January 31, 2020
    Publication date: January 21, 2021
    Inventors: Je Hyeong PARK, Dong Lim KIM, Wan NAMGUNG, Ji Eun PARK, Dong Kyun SEO, Min Hee SON, Hyoung Wook SONG, Beom Hee HAN, Ki Pyo HONG
  • Patent number: 10829382
    Abstract: Nanostructured aluminosilicates including aluminosilicate nanorods are formed by heating a geopolymer resin containing up to about 90 mol % water in a closed container at a temperature between about 70° C. and about 200° C. for a length of time up to about one week to yield a first material including the aluminosilicate nanorods. The aluminosilicate nanorods have an average width of between about 5 nm and about 30 or between about 5 nm and about 60 nm or between about 5 nm and about 100 nm, and a majority of the aluminosilicate nanorods have an aspect ratio between about 2 and about 100.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: November 10, 2020
    Assignee: Skysong Innovations
    Inventors: Dong-Kyun Seo, Lukas Sorge, Shaojiang Chen
  • Publication number: 20200321563
    Abstract: An apparatus and a method for manufacturing a display device are provided. An apparatus for manufacturing a display device includes a first unit configured to remove impurities of a support substrate, a second unit configured to form a sacrificial layer on the support substrate, a third unit configured to form a flexible substrate on the sacrificial layer, and a fourth unit configured to form a display unit on the flexible substrate. The second unit includes a moving unit movable in a first direction to receive the support substrate, a first supply nozzle configured to spray a solution onto the support substrate to coat a graphene oxide layer, and a second supply nozzle configured to dry the graphene oxide layer coated on the support substrate while removing a portion of the graphene oxide layer, to form the sacrificial layer.
    Type: Application
    Filed: February 24, 2020
    Publication date: October 8, 2020
    Inventors: Seung Jun Moon, Byung Hoon Kang, Dong Kyun Seo, Hee Kyun Shin, Jun Ho Sim, Woo Jin Cho
  • Publication number: 20200044268
    Abstract: A redox flow battery including a plurality of electrically connected stacks is provided. A plurality of stacks are alternately connected by electrical connecting lines, with at least one stack therebetween.
    Type: Application
    Filed: September 28, 2017
    Publication date: February 6, 2020
    Inventors: Hyeon-Seok JANG, Dae-Sik KIM, Dong Hwa HAN, Jin Kyo JEONG, Dong Kyun SEO