Patents by Inventor Jae-Bon Koo

Jae-Bon Koo 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: 20170053894
    Abstract: Provided is a method for manufacturing a stretchable wire, the method including removing a portion of a photoresist layer on a substrate to form a photoresist pattern comprising at least one pattern slit, applying a liquid-phase conductive material on the photoresist pattern to form a liquid-phase conductive structure in the pattern slit, forming a stretchable first insulating layer on the liquid-phase conductive structure, after removing the photoresist pattern, and separating the liquid-phase conductive structure and the first insulating layer from the substrate.
    Type: Application
    Filed: July 26, 2016
    Publication date: February 23, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chan Woo PARK, Jae Bon KOO, Bock Soon NA, Rae-Man PARK, Ji-Young OH, Sang Seok LEE, Soon-Won JUNG
  • Patent number: 9535283
    Abstract: Provided is a display device and a method of manufacturing the same. The display device includes a reflective display part including a first cathode electrode and a first anode electrode and a liquid crystal layer, a light emitting display part including a second cathode electrode and a second anode electrode and a light emission film, and a thin film transistor part being electrically connected to the first and second anode electrodes. The light emitting display part further includes a bank disposed on one side of the second anode electrode between the second anode electrode and the light emission film.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: January 3, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong Hae Kim, Gi Heon Kim, Hojun Ryu, Chi-Sun Hwang, Jong-Heon Yang, Sang Chul Lim, Jae Bon Koo, Jonghee Lee, Jeong Ik Lee
  • Publication number: 20160266459
    Abstract: Provided is a complex display device Including a first substrate and an opposed second substrate, a first electrode, an electrochromic layer, a common electrode, an emission part and a second electrode, laminated between the first substrate and the second substrate one by one, and an organic layer disposed between the first electrode and the electrochromic layer, or between the electrochromic layer and the common electrode. The organic layer of the complex display device may include at least one of a hole injection material, a hole transport material and a mixture thereof, or at least one of an electron injection material, an electron transport material or a mixture thereof.
    Type: Application
    Filed: January 27, 2016
    Publication date: September 15, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ji-Young OH, Jae Bon KOO, Joo Yeon KIM, Bock Soon NA, Chan Woo PARK, Sang Seok LEE, Soon-Won JUNG, Hye Yong CHU
  • Publication number: 20160246151
    Abstract: Provided is a color changeable device which includes a first substrate and a second substrate that are spaced apart from each other, a first transparent electrode disposed on the first substrate, a second transparent electrode disposed on the second substrate, an electrochromic layer disposed between the first transparent electrode and the second transparent electrode, an organic layer disposed between the first transparent electrode and the electrochromic layer. The organic layer may include a hole injection layer or an electron injection layer. The organic layer may further include a hole transport layer or an electron transport layer.
    Type: Application
    Filed: January 27, 2016
    Publication date: August 25, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ji-Young OH, Jae Bon KOO, Joo Yeon KIM, Bock Soon NA, Chan Woo PARK, Sang Seok LEE, Soon-Won JUNG, Seong-Mok CHO, Hye Yong CHU
  • Publication number: 20160246116
    Abstract: Provided is a display device. The display device includes a lower display element where a substrate, a first lower electrode, a liquid crystal part, and a second lower electrode are sequentially stacked, an upper display element stacked vertical to the lower display element, where a first upper electrode, a light emitting part, a second upper electrode, and a protective part are sequentially stacked, and a middle part configured to deliver a driving signal to the lower and upper display elements, between the lower and upper display elements.
    Type: Application
    Filed: January 29, 2016
    Publication date: August 25, 2016
    Inventors: Jong-Heon YANG, Jae Bon KOO, Byoung-Hwa KWON, Gi Heon KIM, Yong Hae KIM, Hojun RYU, Chan Woo PARK, Chunwon BYUN, Hyunkoo LEE, Jong Tae LIM, Kyoung Ik CHO, Seong-Mok CHO, Hye Yong CHU, Chi-Sun HWANG
  • Publication number: 20160234930
    Abstract: Provided is a stretchable transparent electrode including a first substrate having an uneven surface, a first conductive film conformally covering the uneven surface of the first substrate to have an uneven top surface, a second conductive film conformally covering the first conductive film to have an uneven top surface, and a second substrate covering the second conductive film, wherein one of the first and second conductive films is a metal film and the other is a graphene film.
    Type: Application
    Filed: September 29, 2015
    Publication date: August 11, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chan Woo PARK, Jae Bon KOO, Bock Soon NA, Ji-Young OH, Sang Seok LEE, Soon-Won JUNG
  • Patent number: 9379350
    Abstract: A dual mode display apparatus according to the inventive concept includes a lower substrate, a first lower electrode on the lower substrate, a light switching layer on the first lower electrode, a first upper electrode on the light switching layer, a passivation layer on the first upper electrode, a contact plug connected to the first upper electrode and penetrating the passivation layer, a second lower electrode on the contact plug and the passivation layer, an organic light-emitting layer on the second lower electrode, a second upper electrode on the organic light-emitting layer, and an upper substrate on the second upper electrode.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 28, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Bon Koo, Hojun Ryu, Chi-Sun Hwang, Jeong Ik Lee, Hye Yong Chu
  • Patent number: 9331126
    Abstract: Provided is a method for fabricating a flexible display device. The method includes attaching a shape memory alloy film memorizing a shape thereof as a curved shape at a shape memory temperature or lower to a flexible substrate at a temperature higher than the shape memory temperature, forming a display device on the flexible substrate, and returning the shape memory alloy to the curved shape to remove the shape memory alloy film from the flexible substrate.
    Type: Grant
    Filed: May 17, 2014
    Date of Patent: May 3, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang Seok Lee, Kyoung Ik Cho, Bock Soon Na, Sang Chul Lim, Chan Woo Park, Soon-Won Jung, Jae Bon Koo, Hye Yong Chu
  • Patent number: 9276119
    Abstract: Provided is a method of manufacturing a gradually stretchable substrate. The method includes forming convex regions and concave regions on a top surface of a stretchable substrate by compressing a mold onto the stretchable substrate and forming non-stretchable patterns by filling the concave regions of the stretchable substrate. The stretchable substrate includes a stretchable region defined by the non-stretchable patterns, the non-stretchable patterns have side surfaces in contact with the stretchable region, and the side surfaces of the non-stretchable patterns are formed of protrusions and a non-protrusion between the protrusions repetitively connected to one another.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: March 1, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ji-Young Oh, Jae Bon Koo, Sang Chul Lim, Chan Woo Park, Soon-Won Jung, Bock Soon Na, Sang Seok Lee, Hye Yong Chu
  • Patent number: 9236577
    Abstract: Provided are a dual-mode display device and a method of manufacturing the same. The device includes a lower substrate, an upper substrate facing the lower substrate, a thin-film transistor portion between the upper substrate and the lower substrate, a first anode on one side of the thin-film transistor portion, a first cathode between the first anode and the upper substrate, an organic light-emitting layer between the first cathode and the first anode, a second anode on the other side of the thin-film transistor portion, a second cathode between the second anode and the upper substrate, or the second anode and the lower substrate, and a optical switching layer between the second cathode and the second anode.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: January 12, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Bon Koo, Jeong Ik Lee, Chi-Sun Hwang, Hojun Ryu, Hye Yong Chu
  • Publication number: 20150349136
    Abstract: Methods for manufacturing semiconductor devices according to embodiments of the present invention may include providing a sacrificial substrate including a wiring region and a device region, sequentially forming a sacrificial layer and a buffer layer on the sacrificial substrate, forming a thin-film transistor on the buffer layer of the device region, forming a device protection element surrounding the thin-film transistor within the device region, forming a flexible substrate on the buffer layer, and exposing a surface of the buffer layer by separating the sacrificial substrate by removing the sacrificial layer. Since typical semiconductor process technologies may be directly used, the process compatibility may be improved, and semiconductor devices having high resolution and high performance may be manufactured.
    Type: Application
    Filed: January 30, 2015
    Publication date: December 3, 2015
    Inventors: Jae Bon KOO, Chan Woo PARK, Soon-Won JUNG, Bock Soon NA, Sang Chul LIM, Sang Seok LEE, Kyoung Ik CHO, Hye Yong CHU
  • Publication number: 20150348800
    Abstract: Provided is a method for fabricating an electronic device, the method including: preparing a carrier substrate including an element region and a wiring region; forming a sacrificial layer on the carrier substrate; forming an electronic element on the sacrificial layer of the element region; forming a first elastic layer having a corrugated surface on the first elastic layer of the wiring region; forming a metal wirings electrically connecting the electronic element thereto, on the first elastic layer of the wiring region; forming a second elastic layer covering the metal wirings, on the first elastic layer; forming a high rigidity pattern filling in a recess of the second elastic layer above the electronic element so as to overlap the electronic element, and having a corrugated surface; forming a third elastic layer on the second elastic layer and the high rigidity pattern; and separating the carrier substrate.
    Type: Application
    Filed: January 30, 2015
    Publication date: December 3, 2015
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyoung Ik CHO, Jae Bon KOO, Chan Woo PARK, Bock Soon NA, Sang Seok LEE, Sang Chul LIM, Soon-Won JUNG, Hye Yong CHU
  • Patent number: 9184063
    Abstract: Provided are a multi-layer interconnection structure and a manufacturing method thereof. The multi-layer interconnection structure includes a substrate; a first wiring on the substrate; an interlayer insulation layer on the first wiring; a second wiring on the interlayer insulation layer; and a via contact including at least one conductive filament penetrating through the interlayer insulation layer between the second wiring and the first wiring to be electrically connected to the first wiring and the second wiring.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: November 10, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Suk Yang, In-Kyu You, Jae Bon Koo, Yong-Young Noh
  • Patent number: 9177821
    Abstract: Provided is a method of fabricating an electronic circuit. The method includes preparing a substrate, forming a polymer film on the substrate, patterning the polymer film to form a polymer pattern, and forming an electronic device on the polymer pattern.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: November 3, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soon-Won Jung, Jae Bon Koo, Chan Woo Park, Bock Soon Na, Sang Chul Lim, Sang Seok Lee, Kyoung Ik Cho, Hye Yong Chu
  • Patent number: 9153651
    Abstract: Provided are a thin film transistor and a method for manufacturing the same. The thin film transistor manufacturing method includes forming a gate electrode on a substrate, forming an active layer that is adjacent to the gate electrode and includes an oxide semiconductor, forming an oxygen providing layer on the active layer, forming a gate dielectric between the gate electrode and the active layer, forming source and drain electrodes coupled to the active layer, forming a planarizing layer covering the gate electrode and the gate dielectric, forming a hole exposing the active layer, and performing a heat treatment process onto the planarizing layer in an atmosphere of oxygen.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: October 6, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang Chul Lim, Ji-Young Oh, Seongdeok Ahn, Kyoung Ik Cho, Sang Seok Lee, Jae Bon Koo
  • Patent number: 9142801
    Abstract: Provided is a method for manufacturing a flexible electrode substrate. The method includes forming a microlens array under a film, forming a transparent electrode layer on the film so as to oppose the microlens array, and forming a grid electrode between the film and the transparent electrode layer or on the transparent electrode layer. Herein, the grid electrode and the microlens array are formed on the both sides of the film by performing at least one of an inkjet printing process, a roll-to-roll printing process, a screen printing process, and a stamping printing process.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: September 22, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Bon Koo, In-Kyu You, Yong Suk Yang, Minseok Kim
  • Publication number: 20150173186
    Abstract: Provided is a stretchable devices. The stretchable device includes a first stretchable substrate having a first wavy surface that wrinkles in a first direction; first wiring lines extending along the first wavy surface in the first direction; a second stretchable substrate having a second wavy surface that faces the first wavy surface and wrinkles in a second direction intersecting the first direction, wherein the second stretchable substrate is disposed on the first stretchable substrate; second wiring lines extending along the second wavy surface in the second direction; and interlayer insulating layers disposed on the intersections of the first wiring lines and the second wiring lines and disposed between the first wiring lines and the second wiring lines.
    Type: Application
    Filed: May 16, 2014
    Publication date: June 18, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Bock Soon NA, Soon-Won JUNG, Jae Bon KOO, Chan Woo PARK, Sang Chul LIM, Sang Seok LEE, Kyoung Ik CHO, Hye Yong CHU
  • Publication number: 20150171354
    Abstract: Provided is a method for fabricating a flexible display device. The method includes attaching a shape memory alloy film memorizing a shape thereof as a curved shape at a shape memory temperature or lower to a flexible substrate at a temperature higher than the shape memory temperature, forming a display device on the flexible substrate, and returning the shape memory alloy to the curved shape to remove the shape memory alloy film from the flexible substrate.
    Type: Application
    Filed: May 17, 2014
    Publication date: June 18, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sang Seok LEE, Kyoung Ik CHO, Bock Soon NA, Sang Chul LIM, Chan Woo PARK, Soon-Won JUNG, Jae Bon KOO, Hye Yong CHU
  • Patent number: 9059512
    Abstract: The present invention relates to a radio communication antenna and a radio communication device including the same. The radio communication antenna of the present invention includes first conductive wires extending in opposite directions with respect to a first direction on a substrate to form a dipole antenna, second conductive wires separated from the first conductive wires to be parallel with the first conductive wires, and stubs connected between the first conductive wires and the second conductive wires in a second direction intersecting with the first direction.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: June 16, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang Seok Lee, Seongdeok Ahn, Jae Bon Koo
  • Publication number: 20150160511
    Abstract: Provided is a display device and a method of manufacturing the same. The display device includes a reflective display part including a first cathode electrode and a first anode electrode and a liquid crystal layer, a light emitting display part including a second cathode electrode and a second anode electrode and a light emission film, and a thin film transistor part being electrically connected to the first and second anode electrodes. The light emitting display part further includes a bank disposed on one side of the second anode electrode between the second anode electrode and the light emission film.
    Type: Application
    Filed: May 23, 2014
    Publication date: June 11, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Hae KIM, Gi Heon KIM, Hojun RYU, Chi-Sun HWANG, Jong-Heon YANG, Sang Chul LIM, Jae Bon KOO, Jonghee LEE, Jeong Ik LEE