Patents by Inventor Dahl Young Khang

Dahl Young Khang 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: 11939173
    Abstract: A transportation head for a microchip transfer device capable of minimizing mechanical and chemical damage to a microchip, a microchip transfer device having same, and a transfer method thereby, and the transportation head includes a head body having a pickup area and a dummy area; a first protruding pin disposed in the pickup area of the head body; and a liquid droplet attached to the first protruding pin.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: March 26, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dahl-Young Khang, Sung-Hwan Hwang, Jia Lee, Sung-Soo Yoon, Su Seok Choi, Kiseok Chang, Jeong Min Moon, Soon Shin Jung, Sungpil Ryu, Jihwan Jung
  • Patent number: 11942352
    Abstract: A manufacturing method of an LED display is disclosed. The method includes picking up a plurality of LED chips spaced apart at a first interval with a stretchable stamp, spacing apart the plurality of LED chips at a second interval by stretching the stretchable stamp, and transferring the plurality of LED chips to a target substrate.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: March 26, 2024
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Dahl Young Khang, Byong Joo Lee
  • Patent number: 11813578
    Abstract: Provided is a method of producing a composite membrane in the form of laminated membranes in which a plurality of isoporous membranes are laminated, wherein the plurality of membranes laminated have through-holes having different sizes from each other and each membrane have the through-holes having the same size.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: November 14, 2023
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Dahl-Young Khang, Yong-Ho Choi, Jia Lee
  • Patent number: 11456258
    Abstract: The present invention provides stretchable, and optionally printable, semiconductors and electronic circuits capable of providing good performance when stretched, compressed, flexed or otherwise deformed. Stretchable semiconductors and electronic circuits of the present invention preferred for some applications are flexible, in addition to being stretchable, and thus are capable of significant elongation, flexing, bending or other deformation along one or more axes. Further, stretchable semiconductors and electronic circuits of the present invention may be adapted to a wide range of device configurations to provide fully flexible electronic and optoelectronic devices.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: September 27, 2022
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: John A. Rogers, Dahl-Young Khang, Yugang Sun, Etienne Menard
  • Publication number: 20220068693
    Abstract: A manufacturing method of an LED display is disclosed. The method includes picking up a plurality of LED chips spaced apart at a first interval with a stretchable stamp, spacing apart the plurality of LED chips at a second interval by stretching the stretchable stamp, and transferring the plurality of LED chips to a target substrate.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 3, 2022
    Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Dahl Young KHANG, Byong Joo LEE
  • Publication number: 20210339964
    Abstract: A transportation head for a microchip transfer device capable of minimizing mechanical and chemical damage to a microchip, a microchip transfer device having same, and a transfer method thereby, and the transportation head includes a head body having a pickup area and a dummy area; a first protruding pin disposed in the pickup area of the head body; and a liquid droplet attached to the first protruding pin.
    Type: Application
    Filed: August 23, 2019
    Publication date: November 4, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Dahl-Young KHANG, Sung-Hwan HWANG, Jia LEE, Sung-Soo YOON, Su Seok CHOI, Kiseok CHANG, Jeong Min MOON, Soon Shin JUNG, Sungpil RYU, Jihwan JUNG
  • Publication number: 20210343862
    Abstract: The invention provides methods and devices for fabricating printable semiconductor elements and assembling printable semiconductor elements onto substrate surfaces. Methods, devices and device components of the present invention are capable of generating a wide range of flexible electronic and optoelectronic devices and arrays of devices on substrates comprising polymeric materials. The present invention also provides stretchable semiconductor structures and stretchable electronic devices capable of good performance in stretched configurations.
    Type: Application
    Filed: June 24, 2021
    Publication date: November 4, 2021
    Applicant: The Board of Trustees of the University of Illinois
    Inventors: Ralph G. NUZZO, John A. ROGERS, Etienne MENARD, Keon Jae LEE, Dahl-Young KHANG, Yugang SUN, Matthew MEITL, Zhengtao ZHU
  • Patent number: 11088268
    Abstract: The invention provides methods and devices for fabricating printable semiconductor elements and assembling printable semiconductor elements onto substrate surfaces. Methods, devices and device components of the present invention are capable of generating a wide range of flexible electronic and optoelectronic devices and arrays of devices on substrates comprising polymeric materials. The present invention also provides stretchable semiconductor structures and stretchable electronic devices capable of good performance in stretched configurations.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: August 10, 2021
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Ralph G. Nuzzo, John A. Rogers, Etienne Menard, Keon Jae Lee, Dahl-Young Khang, Yugang Sun, Matthew Meitl, Zhengtao Zhu
  • Publication number: 20210197139
    Abstract: Provided is a method of producing a composite membrane in the form of laminated membranes in which a plurality of isoporous membranes are laminated, wherein the plurality of membranes laminated have through-holes having different sizes from each other and each membrane have the through-holes having the same size.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventors: Dahl-Young KHANG, Yong-Ho CHOI, Jia LEE
  • Patent number: 10624205
    Abstract: The present invention relates to a metallic nano structure including a plurality of metallic nano materials; and a junction locally disposed in a region where the metallic nano materials adjacent to each other among the plurality of metallic nano materials are in contact with each other in order to bond the adjacent metallic nano materials.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: April 14, 2020
    Assignee: UNIVERSITY-INDUSTRY FOUNDATION (UIF), YONSEI UNIVERSITY
    Inventors: Dahl-Young Khang, Sung-Soo Yoon
  • Publication number: 20200013720
    Abstract: The present invention provides stretchable, and optionally printable, semiconductors and electronic circuits capable of providing good performance when stretched, compressed, flexed or otherwise deformed. Stretchable semiconductors and electronic circuits of the present invention preferred for some applications are flexible, in addition to being stretchable, and thus are capable of significant elongation, flexing, bending or other deformation along one or more axes. Further, stretchable semiconductors and electronic circuits of the present invention may be adapted to a wide range of device configurations to provide fully flexible electronic and optoelectronic devices.
    Type: Application
    Filed: February 11, 2019
    Publication date: January 9, 2020
    Inventors: John A. ROGERS, Dahl-Young KHANG, Yugang SUN, Etienne MENARD
  • Publication number: 20200006540
    Abstract: The invention provides methods and devices for fabricating printable semiconductor elements and assembling printable semiconductor elements onto substrate surfaces. Methods, devices and device components of the present invention are capable of generating a wide range of flexible electronic and optoelectronic devices and arrays of devices on substrates comprising polymeric materials. The present invention also provides stretchable semiconductor structures and stretchable electronic devices capable of good performance in stretched configurations.
    Type: Application
    Filed: June 21, 2019
    Publication date: January 2, 2020
    Applicant: The Board of Trustees of the University of Illinois
    Inventors: Ralph G. NUZZO, John A. ROGERS, Etienne MENARD, Keon Jae LEE, Dahl-Young KHANG, Yugang SUN, Matthew MEITL, Zhengtao ZHU
  • Patent number: 10374072
    Abstract: The invention provides methods and devices for fabricating printable semiconductor elements and assembling printable semiconductor elements onto substrate surfaces. Methods, devices and device components of the present invention are capable of generating a wide range of flexible electronic and optoelectronic devices and arrays of devices on substrates comprising polymeric materials. The present invention also provides stretchable semiconductor structures and stretchable electronic devices capable of good performance in stretched configurations.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: August 6, 2019
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Ralph G. Nuzzo, John A. Rogers, Etienne Menard, Keon Jae Lee, Dahl-Young Khang, Yugang Sun, Matthew Meitl, Zhengtao Zhu
  • Patent number: 10355113
    Abstract: In an aspect, the present invention provides stretchable, and optionally printable, components such as semiconductors and electronic circuits capable of providing good performance when stretched, compressed, flexed or otherwise deformed, and related methods of making or tuning such stretchable components. Stretchable semiconductors and electronic circuits preferred for some applications are flexible, in addition to being stretchable, and thus are capable of significant elongation, flexing, bending or other deformation along one or more axes. Further, stretchable semiconductors and electronic circuits of the present invention are adapted to a wide range of device configurations to provide fully flexible electronic and optoelectronic devices.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: July 16, 2019
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: John A. Rogers, Matthew Meitl, Yugang Sun, Heung Cho Ko, Andrew Carlson, Won Mook Choi, Mark Stoykovich, Hanqing Jiang, Yonggang Huang, Ralph G. Nuzzo, Zhengtao Zhu, Etienne Menard, Dahl-Young Khang
  • Patent number: 10204864
    Abstract: The present invention provides stretchable, and optionally printable, semiconductors and electronic circuits capable of providing good performance when stretched, compressed, flexed or otherwise deformed. Stretchable semiconductors and electronic circuits of the present invention preferred for some applications are flexible, in addition to being stretchable, and thus are capable of significant elongation, flexing, bending or other deformation along one or more axes. Further, stretchable semiconductors and electronic circuits of the present invention may be adapted to a wide range of device configurations to provide fully flexible electronic and optoelectronic devices.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: February 12, 2019
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: John A. Rogers, Dahl-Young Khang, Yugang Sun, Etienne Menard
  • Publication number: 20180324947
    Abstract: The present invention relates to a metallic nano structure including a plurality of metallic nano materials; and a junction locally disposed in a region where the metallic nano materials adjacent to each other among the plurality of metallic nano materials are in contact with each other in order to bond the adjacent metallic nano materials.
    Type: Application
    Filed: April 30, 2018
    Publication date: November 8, 2018
    Inventors: Dahl-Young Khang, Sung-Soo Yoon
  • Publication number: 20170309733
    Abstract: The invention provides methods and devices for fabricating printable semiconductor elements and assembling printable semiconductor elements onto substrate surfaces. Methods, devices and device components of the present invention are capable of generating a wide range of flexible electronic and optoelectronic devices and arrays of devices on substrates comprising polymeric materials. The present invention also provides stretchable semiconductor structures and stretchable electronic devices capable of good performance in stretched configurations.
    Type: Application
    Filed: June 30, 2017
    Publication date: October 26, 2017
    Inventors: Ralph G. NUZZO, John A. ROGERS, Etienne MENARD, Keon Jae LEE, Dahl-Young KHANG, Yugang SUN, Matthew MEITL, Zhengtao ZHU
  • Patent number: 9768086
    Abstract: The invention provides methods and devices for fabricating printable semiconductor elements and assembling printable semiconductor elements onto substrate surfaces. Methods, devices and device components of the present invention are capable of generating a wide range of flexible electronic and optoelectronic devices and arrays of devices on substrates comprising polymeric materials. The present invention also provides stretchable semiconductor structures and stretchable electronic devices capable of good performance in stretched configurations.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: September 19, 2017
    Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
    Inventors: Ralph G. Nuzzo, John A. Rogers, Etienne Menard, Keon Jae Lee, Dahl-Young Khang, Yugang Sun, Matthew Meitl, Zhengtao Zhu
  • Patent number: 9761444
    Abstract: The invention provides methods and devices for fabricating printable semiconductor elements and assembling printable semiconductor elements onto substrate surfaces. Methods, devices and device components of the present invention are capable of generating a wide range of flexible electronic and optoelectronic devices and arrays of devices on substrates comprising polymeric materials. The present invention also provides stretchable semiconductor structures and stretchable electronic devices capable of good performance in stretched configurations.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: September 12, 2017
    Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
    Inventors: Ralph G. Nuzzo, John A. Rogers, Etienne Menard, Keon Jae Lee, Dahl-Young Khang, Yugang Sun, Matthew Meitl, Zhengtao Zhu
  • Publication number: 20170200679
    Abstract: The present invention provides stretchable, and optionally printable, semiconductors and electronic circuits capable of providing good performance when stretched, compressed, flexed or otherwise deformed. Stretchable semiconductors and electronic circuits of the present invention preferred for some applications are flexible, in addition to being stretchable, and thus are capable of significant elongation, flexing, bending or other deformation along one or more axes. Further, stretchable semiconductors and electronic circuits of the present invention may be adapted to a wide range of device configurations to provide fully flexible electronic and optoelectronic devices.
    Type: Application
    Filed: October 31, 2016
    Publication date: July 13, 2017
    Inventors: John A. ROGERS, Dahl-Young KHANG, Yugang SUN, Etienne MENARD