Patents by Inventor Ji-Hoon Ko

Ji-Hoon Ko 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: 10858539
    Abstract: The present disclosure provides a hard-coating resin composition for a hard-coating having easy processability, flexibility and high surface hardness suitable for a hard-coating agent, in which a siloxane molecule having an inorganic material characteristic is chemically bonded with an epoxy group having an organic material characteristic to form one molecule, and the siloxane molecule is made to contain a various molecular weight distribution for dense crosslinking during polymerization of the epoxy group in order to obtain high surface hardness due to the inorganic material.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: December 8, 2020
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byeong-Soo Bae, Ji-Hoon Ko, Gwang-Mun Choi
  • Patent number: 10377919
    Abstract: The present disclosure relates to a hard-coating cured material which contains a siloxane resin component including an epoxy group and a preparing method of the hard-coating cured material. Especially, by using a special polymerization method like a cationic polymerization and a moisture-heat treatment, it is possible to provide a hard-coating film having both superior flexibility and high surface hardness that cannot be obtained from conventional coating compositions.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: August 13, 2019
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byeong-Soo Bae, Gwang-Mun Choi, Ji-Hoon Ko
  • Patent number: 10246606
    Abstract: The invention relates to a transparent flexible hard coated film and a method of producing the same, and more particularly, to a transparent flexible hard coated film including a scratch-resistant surface and a method of producing the same.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: April 2, 2019
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byeong-Soo Bae, Gwang-Mun Choi, Ji-Hoon Ko
  • Publication number: 20180215949
    Abstract: The present disclosure provides a hard-coating resin composition for a hard-coating having easy processability, flexibility and high surface hardness suitable for a hard-coating agent, in which a siloxane molecule having an inorganic material characteristic is chemically bonded with an epoxy group having an organic material characteristic to form one molecule, and the siloxane molecule is made to contain a various molecular weight distribution for dense crosslinking during polymerization of the epoxy group in order to obtain high surface hardness due to the inorganic material.
    Type: Application
    Filed: March 29, 2018
    Publication date: August 2, 2018
    Inventors: Byeong-Soo BAE, Ji-Hoon KO, Gwang-Mun CHOI
  • Publication number: 20170183533
    Abstract: The invention relates to a transparent flexible hard coated film and a method of producing the same, and more particularly, to a transparent flexible hard coated film including a scratch-resistant surface and a method of producing the same.
    Type: Application
    Filed: March 13, 2017
    Publication date: June 29, 2017
    Inventors: Byeong-Soo BAE, Gwang-Mun CHOI, Ji-Hoon KO
  • Publication number: 20170145253
    Abstract: The present application relates to a hard-coating resin composition including a siloxane resin, a preparing method of a siloxane cured hard-coating article using same and an optical film including the siloxane cured hard-coating article.
    Type: Application
    Filed: February 6, 2017
    Publication date: May 25, 2017
    Inventors: Byeong-Soo BAE, Ji-Hoon KO, Gwang-Mun CHOI
  • Patent number: 9598609
    Abstract: The present application relates to a hard-coating resin composition including a siloxane resin, a preparing method of a siloxane cured hard-coating article using same and an optical film including the siloxane cured hard-coating article.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: March 21, 2017
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byeong-Soo Bae, Ji-Hoon Ko, Gwang-Mun Choi
  • Publication number: 20160060398
    Abstract: The present invention relates to a cured product with excellent UV stability, which is manufactured using a resin composition containing a cation polymeric resin capable of cationic polymerization and a photostable cationic polymerization initiator in the form of an iodonium salt without adding an additional photoinitiator, and a method of manufacturing the cured product.
    Type: Application
    Filed: July 21, 2015
    Publication date: March 3, 2016
    Inventors: Byeong-Soo BAE, Gwang-Mun CHOI, Ji-Hoon KO
  • Publication number: 20150353760
    Abstract: The invention relates to a transparent flexible hard coated film and a method of producing the same, and more particularly, to a transparent flexible hard coated film including a scratch-resistant surface and a method of producing the same.
    Type: Application
    Filed: August 20, 2015
    Publication date: December 10, 2015
    Inventors: Byeong-Soo BAE, Gwang-Mun CHOI, Ji-Hoon KO
  • Publication number: 20150159044
    Abstract: The present disclosure relates to a hard-coating cured material which contains a siloxane resin component including an epoxy group and a preparing method of the hard-coating cured material. Especially, by using a special polymerization method like a cationic polymerization and a moisture-heat treatment, it is possible to provide a hard-coating film having both superior flexibility and high surface hardness that cannot be obtained from conventional coating compositions.
    Type: Application
    Filed: October 15, 2014
    Publication date: June 11, 2015
    Inventors: Byeong-Soo BAE, Gwang-Mun CHOI, Ji-Hoon KO
  • Publication number: 20150093585
    Abstract: The present application relates to a hard-coating resin composition including a siloxane resin, a preparing method of a siloxane cured hard-coating article using same and an optical film including the siloxane cured hard-coating article.
    Type: Application
    Filed: December 11, 2014
    Publication date: April 2, 2015
    Inventors: Byeong-Soo BAE, Ji-Hoon KO, Gwang-Mun CHOI
  • Publication number: 20150004334
    Abstract: A foldable transparent composite cover window, a manufacturing method therefore, and a display device including the foldable transparent composite cover window are provided.
    Type: Application
    Filed: June 27, 2014
    Publication date: January 1, 2015
    Inventors: Byeong-Soo BAE, Gwang-Mun CHOI, Ji-Hoon KO
  • Publication number: 20130331476
    Abstract: The present invention relates to a siloxane hard resin including alicyclic epoxy siloxane alone or a reactive monomer, which is prepared by condensation reaction of alkoxysilanes, and has a weight average molecular weight in the range of 1000 to 4000 and a molecular weight distribution of PDI 1.05 to 1.4. A siloxane hard cured article produced by photo- or thermal polymerization has high hardness by compact crosslinking of siloxane molecules having different molecular weights.
    Type: Application
    Filed: December 4, 2012
    Publication date: December 12, 2013
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byeong-Soo BAE, Ji-Hoon Ko, Gwang-Mun Choi
  • Publication number: 20120000517
    Abstract: The present invention relates to a solar cell and a method for manufacturing the same. More specifically, the present invention provides a silicon solar cell capable of minimizing defects and recombination of electrons-holes by removing a damaged layer formed by a laser edge isolation process to isolate a silicon substrate and covering a protective layer on a surface thereof and a method for manufacturing the same.
    Type: Application
    Filed: September 13, 2011
    Publication date: January 5, 2012
    Inventors: Ju-Hwan YUN, Jong-Hwan KIM, Bum-Sung KIM, Ji-Hoon KO
  • Publication number: 20120003781
    Abstract: The present invention relates to a solar cell and a method for manufacturing the same. More specifically, the present invention provides a silicon solar cell capable of minimizing defects and recombination of electrons-holes by removing a damaged layer formed by a laser edge isolation process to isolate a silicon substrate and covering a protective layer on a surface thereof and a method for manufacturing the same.
    Type: Application
    Filed: September 13, 2011
    Publication date: January 5, 2012
    Inventors: Ju-Hwan YUN, Jong-Hwan KIM, Bum-Sung KIM, Ji-Hoon KO
  • Patent number: 7766713
    Abstract: Disclosed herein is a method of manufacturing a barrier rib for a plasma display panel, including a silicon compound resin. The method according to a first embodiment of this invention includes providing a silicon compound resin layer on a substrate; pressing the silicon compound resin layer using a master having a pattern corresponding to the shape of a barrier rib to be transferred; and curing the silicon compound resin and then releasing the master. In addition, the method according to a second embodiment includes loading a silicon compound resin into grooves of a master having a pattern corresponding to the shape of a barrier rib; pressing the master on a substrate to transfer the silicon compound to the substrate; and curing the transferred silicon compound resin and then releasing the master.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: August 3, 2010
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Byeong-Soo Bae, Jung-Hwan Kim, Ji-Hoon Ko, Kyung-Ho Jung
  • Publication number: 20090260681
    Abstract: The present invention relates to a solar cell and a method for manufacturing the same. More specifically, the present invention provides a silicon solar cell capable of minimizing defects and recombination of electrons-holes by removing a damaged layer formed by a laser edge isolation process to isolate a silicon substrate and covering a protective layer on a surface thereof and a method for manufacturing the same.
    Type: Application
    Filed: February 24, 2009
    Publication date: October 22, 2009
    Applicant: LG Electronics Inc.
    Inventors: Ju-Hwan YUN, Jong-Hwan Kim, Bum-Sung Kim, Ji-Hoon Ko
  • Publication number: 20090085482
    Abstract: Disclosed herein is a method of manufacturing a barrier rib for a plasma display panel, including a silicon compound resin. The method according to a first embodiment of this invention includes providing a silicon compound resin layer on a substrate; pressing the silicon compound resin layer using a master having a pattern corresponding to the shape of a barrier rib to be transferred; and curing the silicon compound resin and then releasing the master. In addition, the method according to a second embodiment includes loading a silicon compound resin into grooves of a master having a pattern corresponding to the shape of a barrier rib; pressing the master on a substrate to transfer the silicon compound to the substrate; and curing the transferred silicon compound resin and then releasing the master.
    Type: Application
    Filed: February 3, 2006
    Publication date: April 2, 2009
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byeong-Soo Bae, Jung-Hwan Kim, Ji-Hoon Ko, Kyung-Ho Jung
  • Publication number: 20090012255
    Abstract: Disclosed are hydroxyl organic oligosiloxane resins prepared by hydrolysis-condensation of organic alkoxysilane and preparation method thereof. More particularly, the present invention provides a method for preparation of novel resins with excellent coating properties, mechanical properties and thermal stability, comprising use of a hydroxyl organic oligosiloxane resin which has a center of inorganic network structure with high condensation degree formed by complete hydrolysis-condensation, and at least one hydroxyl group and organic group or organic functional group around the center.
    Type: Application
    Filed: July 2, 2008
    Publication date: January 8, 2009
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Byeong-Soo Bae, Kyung-Ho Jung, Ji-Hoon Ko, Jung-Ho Jin