Patents by Inventor Yeon-Sik Jung

Yeon-Sik Jung 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: 11719664
    Abstract: A multimodal sensor of high sensitivity and high selectivity using multifunctional three-dimensional nanostructure having electric and optical sensing ability and a method thereof are provided. The method includes forming multi-layered nanowires including a multifunctional material, transferring the nanowires to a plurality of layers onto a target substrate to form the three-dimensional nanostructure, heat-treating the three-dimensional nanostructure, and forming electrode layers at the three-dimensional nanostructure.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: August 8, 2023
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yeon Sik Jung, Hyeuk Jin Han, Seunghee Cho, Gyurac Lee
  • Patent number: 11043647
    Abstract: The present disclosure relates to a quantum dot film including a self-assembled block copolymer, and a quantum dot bonded to the block copolymer, wherein the film has pores with an average diameter of 100-3000 nm inside.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: June 22, 2021
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yeon Sik Jung, Duk Young Jeon, Geon Yeong Kim, Jin Young Choi, Chul Hee Lee, Hun Hee Lim
  • Publication number: 20200271609
    Abstract: A multimodal sensor of high sensitivity and high selectivity using multifunctional three-dimensional nanostructure having electric and optical sensing ability and a method thereof are provided. The method includes forming multi-layered nanowires including a multifunctional material, transferring the nanowires to a plurality of layers onto a target substrate to form the three-dimensional nanostructure, heat-treating the three-dimensional nanostructure, and forming electrode layers at the three-dimensional nanostructure.
    Type: Application
    Filed: August 27, 2019
    Publication date: August 27, 2020
    Inventors: Yeon Sik JUNG, Hyeuk Jin HAN, Seunghee CHO, Gyurac LEE
  • Patent number: 10507604
    Abstract: A nanotransfer printing method, including the steps of coating a polymer thin film on a template substrate where a surface pattern is formed, fabricating the polymer thin film into a thin-film replica mold by using the polymer thin film and an adhesive film, forming nanostructures on the thin-film replica mold, selectively weakening an adhesive force between the adhesive film and the thin-film replica mold, and transferring the nanostructures into a target object, is provided.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: December 17, 2019
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yeon Sik Jung, Jae Won Jeong, Kwang Min Baek, Jong Min Kim, Tae Won Nam
  • Publication number: 20190379001
    Abstract: The present disclosure relates to a quantum dot film including a self-assembled block copolymer, and a quantum dot bonded to the block copolymer, wherein the film has pores with an average diameter of 100-3000 nm inside.
    Type: Application
    Filed: December 7, 2018
    Publication date: December 12, 2019
    Inventors: Yeon Sik Jung, Duk Young Jeon, Geon Yeong Kim, Jin Young Choi, Chul Hee Lee, Hun Hee Lim
  • Patent number: 10476095
    Abstract: A fuel cell may include a fuel supply unit for supplying hydrogen to a fuel cell stack; an air supply unit for supplying air to the fuel cell stack; and the fuel cell stack that generates energy using hydrogen and air supplied from the fuel supply unit and the air supply unit, wherein the fuel cell stack has a mesh structure and comprises a conductive polymer electrode containing about 0.1 to 1 wt % of polyethylene oxide (PEO) having a molecular weight of about 1,000 to 6,000 kg/mol.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: November 12, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Korea Advanced Institute of Science and Technology
    Inventors: Youjung Song, Won Jung Kim, Ki Ung Jeon, Yeon Sik Jung
  • Patent number: 10263281
    Abstract: The present invention provides an all-solid ion battery having improved stability and power characteristics and comprising: a powder-form solid electrolyte; a powder-form electrode active material; a first conductive polymer coating film coated on at least a portion of the solid electrolyte and capable of transporting ions; and a second conductive polymer coating film coated on at least a portion of the electrode active material and capable of transporting ions and electrons.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: April 16, 2019
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ki Suk Kang, In Sang Hwang, Yeon Sik Jung, Jung Keun Yoo, Jae Beom Jeon, Ki Ung Jeon
  • Patent number: 10253187
    Abstract: A nano-structured block copolymer that includes a self-assembled block copolymer disposed on a substrate, wherein the block copolymer includes a plurality of block structural units, and at least two block structural units have a solubility parameter difference of greater than or equal to about 5 megaPascal1/2.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: April 9, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Mi-Jeong Kim, Yeon-Sik Jung, Woon-Ik Park, Jae-Won Jeong
  • Publication number: 20190044154
    Abstract: A method of manufacturing a nanocatalyst for a fuel cell electrode, capable of carrying metal catalyst nanoparticles on a polymer carrier without using a carbon carrier, includes steps of impregnating a conductive polymer carrier with a metal catalyst precursor solution; vacuum-drying the conductive polymer carrier; and heat-treating the conductive polymer carrier at a temperature of 160 to 300° C.
    Type: Application
    Filed: December 4, 2017
    Publication date: February 7, 2019
    Inventors: Youjung SONG, Won Jung KIM, Min Joong KIM, Jeong Hoon LIM, Sangjae LEE, Yeon Sik JUNG, Eun Ae CHO
  • Publication number: 20190013537
    Abstract: A fuel cell may include a fuel supply unit for supplying hydrogen to a fuel cell stack; an air supply unit for supplying air to the fuel cell stack; and the fuel cell stack that generates energy using hydrogen and air supplied from the fuel supply unit and the air supply unit, wherein the fuel cell stack has a mesh structure and comprises a conductive polymer electrode containing about 0.1 to 1 wt % of polyethylene oxide (PEO) having a molecular weight of about 1,000 to 6,000 kg/mol.
    Type: Application
    Filed: October 30, 2017
    Publication date: January 10, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Korea Advanced Institute of Science and Technology
    Inventors: Youjung Song, Won Jung KIM, Ki Ung JEON, Yeon Sik JUNG
  • Patent number: 10087270
    Abstract: Provided is a diblock copolymer comprising a first block having a repeating unit represented by the following Chemical Formula 1, and a second block having a repeating unit represented by the following Chemical Formula 2:
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: October 2, 2018
    Assignees: SK Innovation Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jin Su Ham, Yeon Sik Jung, Sun Young Kim, Yoon Hyung Hur, Kwang Kuk Lee, Seung Won Song
  • Patent number: 10047182
    Abstract: Provided is a method of forming fine patterns capable of minimizing LER and LWR to form high quality nanopatterns, by using a block copolymer having excellent etching selectivity.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: August 14, 2018
    Assignees: SK Innovation Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jin Su Ham, Yeon Sik Jung, Sun Young Kim, Yoon Hyung Hur, Kwang Kuk Lee, Seung Won Song
  • Publication number: 20180086869
    Abstract: Provided is a method of forming fine patterns capable of minimizing LER and LWR to form high quality nanopatterns, by using a block copolymer having excellent etching selectivity.
    Type: Application
    Filed: September 22, 2017
    Publication date: March 29, 2018
    Inventors: Jin Su Ham, Yeon Sik Jung, Sun Young Kim, Yoon Hyung Hur, Kwang Kuk Lee, Seung Won Song
  • Publication number: 20180086866
    Abstract: Provided is a diblock copolymer comprising a first block having a repeating unit represented by the following Chemical Formula 1, and a second block having a repeating unit represented by the following Chemical Formula 2:
    Type: Application
    Filed: September 21, 2017
    Publication date: March 29, 2018
    Inventors: Jin Su Ham, Yeon Sik Jung, Sun Young Kim, Yoon Hyung Hur, Kwang Kuk Lee, Seung Won Song
  • Publication number: 20170365877
    Abstract: The present invention provides an all-solid ion battery having improved stability and power characteristics and comprising: a powder-form solid electrolyte; a powder-form electrode active material; a first conductive polymer coating film coated on at least a portion of the solid electrolyte and capable of transporting ions; and a second conductive polymer coating film coated on at least a portion of the electrode active material and capable of transporting ions and electrons.
    Type: Application
    Filed: September 23, 2015
    Publication date: December 21, 2017
    Inventors: Ki Suk KANG, In Sang HWANG, Yeon Sik JUNG, Jung Keun YOO, Jae Beom JEON, Ki Ung JEON
  • Patent number: 9495991
    Abstract: The present invention relates to a method for forming a silicon oxide nanopattern, in which the method can be used to easily form a nanodot or nanohole-type nanopattern, and a metal nanopattern formed by using the same can be properly applied to a next-generation magnetic recording medium for storage information, etc., a method for forming a metal nanopattern, and a magnetic recording medium for information storage using the same. The method for forming a silicon oxide nanopattern includes the steps of forming a block copolymer thin film including specific hard segments and soft segments containing a (meth)acrylate-based repeating unit on silicon oxide of a substrate; conducting orientation of the thin film; selectively removing the soft segments from the block copolymer thin film; and conducting reactive ion etching of silicon oxide using the block copolymer thin film from which the soft segments are removed, as a mask to form a silicon oxide nanodot or nanohole pattern.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: November 15, 2016
    Assignees: LG CHEM, LTD., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Yang Kyoo Han, Je Gwon Lee, Hyun Jin Lee, No Ma Kim, Sung Soo Yoon, Eun Ji Shin, Yeon Sik Jung
  • Publication number: 20160202123
    Abstract: A nanotransfer printing method, including the steps of coating a polymer thin film on a template substrate where a surface pattern is formed, fabricating the polymer thin film into a thin-film replica mold by using the polymer thin film and an adhesive film, forming nanostructures on the thin-film replica mold, selectively weakening an adhesive force between the adhesive film and the thin-film replica mold, and transferring the nanostructures into a target object, is provided.
    Type: Application
    Filed: October 15, 2015
    Publication date: July 14, 2016
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Yeon Sik Jung, Jae Won Jeong, Kwang Min Baek, Jong Min Kim, Tae Won Nam
  • Publication number: 20160185658
    Abstract: A method for manufacturing an antifogging porous silica thin film includes preparing a silicon block copolymer micelle solution, forming a coating layer by applying the solution on a substrate using a compressed air spraying method, forming a porous silica thin film by subjecting the coating layer to an oxygen plasma treatment, and solvent-annealing the porous silica thin film.
    Type: Application
    Filed: October 8, 2015
    Publication date: June 30, 2016
    Inventors: Sung June PARK, Jin Yong SHIM, Jong Min KIM, Dong Min SIM, Jae Suk CHOI, Yeon Sik JUNG
  • Publication number: 20150228298
    Abstract: The present invention relates to a method for forming a silicon oxide nanopattern, in which the method can be used to easily form a nanodot or nanohole-type nanopattern, and a metal nanopattern formed by using the same can be properly applied to a next-generation magnetic recording medium for storage information, etc., a method for forming a metal nanopattern, and a magnetic recording medium for information storage using the same. The method for forming a silicon oxide nanopattern includes the steps of forming a block copolymer thin film including specific hard segments and soft segments containing a (meth)acrylate-based repeating unit on silicon oxide of a substrate; conducting orientation of the thin film; selectively removing the soft segments from the block copolymer thin film; and conducting reactive ion etching of silicon oxide using the block copolymer thin film from which the soft segments are removed, as a mask to form a silicon oxide nanodot or nanohole pattern.
    Type: Application
    Filed: September 9, 2013
    Publication date: August 13, 2015
    Inventors: Yang Kyoo Han, Je Gwon Lee, Hyun Jin Lee, No Ma Kim, Sung Soo Yoon, Eun Ji Shin, Yeon Sik Jung
  • Patent number: 8822970
    Abstract: Provided are a phase-change memory device using insulating nanoparticles, a flexible phase-change memory device and a method for manufacturing the same. The phase-change memory device includes an electrode, and a phase-change layer in which a phase change occurs depending on heat generated from the electrode, wherein insulating nanoparticles formed from a self-assembled block copolymer are provided between the electrode and the phase-change layer undergoing crystallization and amorphization.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: September 2, 2014
    Assignee: Korea Advanced Institute of Science and Technology (KAIST)
    Inventors: Yeon Sik Jung, Keon Jae Lee, Jae Won Jeong, Jae Suk Choi, Geon Tae Hwang, Beom Ho Mun, Byoung Kuk You, Seung Jun Kim