Patents by Inventor Unyong Jeong

Unyong Jeong 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: 11713518
    Abstract: Provided is a method for forming a chalcogenide thin film, the method including forming a chalcogen element-containing film on a carrier substrate, disposing the chalcogen element-containing film on a silicon wafer, wherein the surface of the silicon wafer and the surface of the chalcogen element-containing film are in contact with each other, performing heat treatment on the silicon wafer and the chalcogen element-containing film at least one time, and removing the carrier substrate. The silicon wafer has a crystal plane of (111).
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: August 1, 2023
    Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Unyong Jeong, Giri Anupam, Geonwoo Kim, Ghorai Arup
  • Patent number: 11585700
    Abstract: A stretchable sensor is provided. The stretchable sensor includes a first stretchable electrode including a first elastomer and a first conductor dispersed in the first elastomer, a stretchable active layer formed on the first stretchable electrode and including a third elastomer and an ion conductor dispersed in the third elastomer, and a second stretchable electrode formed on the stretchable active layer and including a second elastomer and a second conductor dispersed in the second elastomer. The stretchable sensor is effectively capable of sensing a temperature without being affected by strain and recognizing strain without being affected by temperature.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: February 21, 2023
    Assignees: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Unyong Jeong, Insang You, Zhenan Bao
  • Publication number: 20230044133
    Abstract: Proposed are a flexible electrode circuit capable of being foamed through 3D circuit printing, a strain sensor using the same, and a manufacturing method thereof. The flexible electrode circuit includes a flexible substrate and an electrode foamed on the flexible substrate. The electrode includes a conductive line layer and a passivation layer. The conductive line layer includes a matrix including an elastic polymer and a conductive line having conductive liquid metal microparticles dispersed in the matrix. The passivation layer includes a coating portion coated on the conductive line and having an elastic polymer.
    Type: Application
    Filed: December 14, 2020
    Publication date: February 9, 2023
    Inventors: Unyong JEONG, Veerapandian SELVARAJ
  • Publication number: 20230043933
    Abstract: A metal deposition-based stretchable electrode using an electrospun mat and a manufacturing method therefor are disclosed. The stretchable electrode is a stretchable electrode comprising a conductive mat, wherein the conductive mat comprises: nanofibers including a polymer; and a conductive layer formed on the surface of the nanofibers and including a conductor. The stretchable electrode has air/fluid permeability and may have conductivity that exhibits a stable change even in a biaxial deformation environment.
    Type: Application
    Filed: October 5, 2020
    Publication date: February 9, 2023
    Inventors: Unyong Jeong, Sungmin Moon
  • Patent number: 11513008
    Abstract: A stretchable sensor is provided. The stretchable sensor includes a first stretchable electrode including a first elastomer and a first conductor dispersed in the first elastomer, a stretchable active layer formed on the first stretchable electrode and including a third elastomer and an ion conductor dispersed in the third elastomer, and a second stretchable electrode formed on the stretchable active layer and including a second elastomer and a second conductor dispersed in the second elastomer. The stretchable sensor is effectively capable of sensing a temperature without being affected by strain and recognizing strain without being affected by temperature.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: November 29, 2022
    Assignees: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Unyong Jeong, Insang You, Zhenan Bao
  • Publication number: 20220213619
    Abstract: Provided is a method for forming a chalcogenide thin film, the method including forming a chalcogen element-containing film on a carrier substrate, disposing the chalcogen element-containing film on a silicon wafer, wherein the surface of the silicon wafer and the surface of the chalcogen element-containing film are in contact with each other, performing heat treatment on the silicon wafer and the chalcogen element-containing film at least one time, and removing the carrier substrate. The silicon wafer has a crystal plane of (111).
    Type: Application
    Filed: January 5, 2022
    Publication date: July 7, 2022
    Applicant: POSTECH Research and Business Development Foundation
    Inventors: Unyong JEONG, Giri ANUPAM, Geonwoo KIM, Ghorai ARUP
  • Publication number: 20220170797
    Abstract: A stretchable sensor, electronic skin, and a method of manufacturing the same are proposed. The stretchable sensor includes a first stretchable electrode including a first elastomer and a first conductor dispersed in the first elastomer, a stretchable active layer formed on the first stretchable electrode and including a third elastomer and an ion conductor dispersed in the third elastomer, and a second stretchable electrode formed on the stretchable active layer and including a second elastomer and a second conductor dispersed in the second elastomer. The stretchable sensor and the method of manufacturing the same are effectively capable of sensing a temperature without being affected by strain and recognizing strain without being affected by temperature.
    Type: Application
    Filed: December 2, 2020
    Publication date: June 2, 2022
    Inventors: Unyong JEONG, lnsang YOU, Zhenan BAO
  • Publication number: 20220136919
    Abstract: Disclosed is a spike spectrum output-type pressure sensor including an electrolyte and a method of manufacturing the same. The pressure includes a first electrode, a pressure sensing unit positioned on the first electrode and including a pattern including an electrolyte, a spacer positioned on the first electrode and configured to partially or fully surround the pressure sensing unit, and a second electrode positioned on the spacer and on the pressure sensing unit and spaced apart from the pressure sensing unit. The pressure sensor of the present invention can provide reliable pressure sensing results even in an environment where noise may occur due to stable signal transmission of a spike spectrum, which is a kind of frequency-based signal.
    Type: Application
    Filed: April 8, 2020
    Publication date: May 5, 2022
    Inventors: Unyong JEONG, Tae Yeong KIM
  • Publication number: 20190116658
    Abstract: The present invention relates to a method of manufacturing an electrode laminate and to a flexible and stretchable electrode laminate manufactured using the same. The method includes (a) printing a conductive print ink including a metal precursor, an organic solvent, and a polymer on a flexible substrate to thus form a conductive print ink pattern impregnated into the flexible substrate, and (b) reducing the conductive print ink pattern to thus manufacture the electrode laminate. The present invention provides a method of manufacturing a flexible and stretchable electrode laminate which is simpler and which consumes less time than a conventional manufacturing method.
    Type: Application
    Filed: April 4, 2018
    Publication date: April 18, 2019
    Inventors: Unyong JEONG, Jun Hyuk Song
  • Patent number: 9777392
    Abstract: Disclosed is a method of fabricating a single crystal colloidal monolayer on a substrate. The method includes preparing a pair of adhesive substrates, arranging powder particles between the substrates, and uniaxially rubbing one of the substrates in any one direction to allow the particles to be close-packed between the substrates, thereby forming a single crystal monolayer.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: October 3, 2017
    Assignee: Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Unyong Jeong, JaeMin Myoung, Taeil Lee, ChooJin Park
  • Publication number: 20150024177
    Abstract: Disclosed is a method of fabricating a single crystal colloidal monolayer on a substrate. The method includes preparing a pair of adhesive substrates, arranging powder particles between the substrates, and uniaxially rubbing one of the substrates in any one direction to allow the particles to be close-packed between the substrates, thereby forming a single crystal monolayer.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 22, 2015
    Inventors: Unyong JEONG, JaeMin MYOUNG, Taeil LEE, ChooJin PARK
  • Patent number: 8696955
    Abstract: A method for making a hollow polymer particle having a single, substantially circular opening in its surface.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: April 15, 2014
    Assignee: University of Washington
    Inventors: Younan Xia, Sang Hyuk Im, Unyong Jeong
  • Publication number: 20100074930
    Abstract: A method for making a hollow polymer particle having a single, substantially circular opening in its surface.
    Type: Application
    Filed: November 30, 2009
    Publication date: March 25, 2010
    Applicant: UNIVERSITY OF WASHINGTON
    Inventors: Younan Xia, Sang Hyuk Im, Unyong Jeong
  • Publication number: 20070111002
    Abstract: A hollow polymer particle having a single, substantially circular opening in the particle's surface, methods for making and using the polymer particle.
    Type: Application
    Filed: July 25, 2006
    Publication date: May 17, 2007
    Applicant: University of Washington
    Inventors: Younan Xia, Sang Im, Unyong Jeong