Patents by Inventor Kyoung Jin CHOI

Kyoung Jin CHOI 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: 20240400836
    Abstract: The present disclosure relates to a polymeric antireflective coating film for a photoelectric device and a method of manufacturing the same. More specifically, the polymeric antireflective coating film includes a transparent polymer, and micro phosphor particles and oxide nanoparticles, wherein a textured surface of a three-dimensional (3D) structure is included on at least one surface thereof.
    Type: Application
    Filed: May 31, 2024
    Publication date: December 5, 2024
    Inventors: Kyoung Jin Choi, Chan Ul Kim, YoungIm Noh, Jung-Kun Lee, Seongha Lee
  • Patent number: 8685550
    Abstract: The present invention relates to an organic-inorganic composite comprising bacteria and transition metal oxides and a method of manufacturing the same. More specifically, the present invention relates to an organic-inorganic composite comprising bacteria and transition metal oxides manufactured by attaching cationic transition metal precursor to bacterial surface, wherein the bacteria with high negative charge on its surface is used as a template, refluxing the bacteria and transition metal ions at room temperature in the presence of sodium borohydride (NaBH4), and inducing reduction/spontaneous oxidation, thereby having an excellent high capacity electrochemical properties, and a method of manufacturing the same.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: April 1, 2014
    Assignee: Korea Institute of Science and Technology
    Inventors: Dong-Wan Kim, HyunWoo Shim, Young Dae Ko, Kyoung Jin Choi, Jae-Gwan Park
  • Publication number: 20100203360
    Abstract: The present invention relates to an organic-inorganic composite comprising bacteria and transition metal oxides and a method of manufacturing the same. More specifically, the present invention relates to an organic-inorganic composite comprising bacteria and transition metal oxides manufactured by attaching cationic transition metal precursor to bacterial surface, wherein the bacteria with high negative charge on its surface is used as a template, refluxing the bacteria and transition metal ions at room temperature in the presence of sodium borohydride (NaBH4), and inducing reduction/spontaneous oxidation, thereby having an excellent high capacity electrochemical properties, and a method of manufacturing the same.
    Type: Application
    Filed: August 3, 2009
    Publication date: August 12, 2010
    Inventors: Dong-Wan Kim, Hyun Woo Shim, Young Dae Ko, Kyoung Jin Choi, Jae-Gwan Park
  • Publication number: 20100055568
    Abstract: The present invention relates to a transition metal oxide/multi-walled carbon nanotube nanocomposite and its preparation method, and particularly to a nanocomposite prepared in a composite form of an electron-transmitting and stress-relaxing one-dimensional multi-walled carbon nanotube (MWCNT) and a high-capacity-enabling zero-dimensional nanopowder-type transition metal oxide, where a transition metal oxide prepared by urea synthesis is uniformly dispersed in a carbon nanotube by a surfactant, and its preparation method. Therefore, a process of preparing a nanocomposite herein is simple and can be easily applied to a large-scale production, while enabling the manufacture of uniform-sized nanocomposites even at a relatively low temperature. Thus prepared nanocomposite can be applied to an electrochemical device such as a lithium secondary battery and a super capacitor.
    Type: Application
    Filed: March 9, 2009
    Publication date: March 4, 2010
    Inventors: Dong-Wan KIM, Du-hee LEE, Jin Gu KANG, Kyoung Jin CHOI, Jae-Gwan PARK
  • Publication number: 20090261438
    Abstract: A semiconductor nanowire-based photosensor includes a substrate, at least a top surface of the substrate being formed of an insulator, two electrodes spaced at a predetermined interval apart from each other on the substrate, metal catalyst layers disposed respectively on the two electrodes, and visible-range semiconductor nanowires grown from the metal catalyst layers on the two electrodes. The semiconductor nanowires grown from one of the metal catalyst layers are in contact with the semiconductor nanowires grown from the other metal catalyst layer, while the semiconductor nanowires grown respectively from the metal catalyst layers on the two electrodes are floated between the two electrodes over the substrate.
    Type: Application
    Filed: April 1, 2009
    Publication date: October 22, 2009
    Inventors: Kyoung Jin CHOI, Jae Gwan PARK, Dong Wan KIM, Young Jin CHOI, Kyung Soo PARK, Jae Hwan PARK, Jae Chul PYUN
  • Publication number: 20070287280
    Abstract: A composition for removing a photoresist and a method of forming a bump electrode using the composition are provided. The composition includes an amine compound having a hydroxyl group, a polar organic solvent having a heteroatom, an alkylammonium hydroxide and water. The method of forming the bump electrode includes forming a conductive pattern on a substrate, forming a passivation layer on the substrate, the passivation layer having a first opening that partially exposes the conductive pattern, forming a photoresist pattern on the passivation layer, the photoresist pattern having a second opening that exposes the first opening forming a bump electrode that fills the first opening and the second opening, and removing the photoresist pattern from the substrate using a composition including an amine compound having a hydroxyl group, a polar organic solvent having a heteroatom, an alkylammonium hydroxide and water.
    Type: Application
    Filed: June 12, 2007
    Publication date: December 13, 2007
    Inventors: Dong-Min Kang, Young-Sam Lim, Gi-Jung Kim, Young-Nam Kim, Yun-Deok Kang, Ji-Sung Lee, Ki-Hyeon Kim, Kyoung-Jin Choi