Patents by Inventor Gi-heon Kim

Gi-heon Kim 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: 20160187687
    Abstract: Provided are a display device and a method of manufacturing the same. The display device includes a first substrate, a second substrate facing the first substrate and separated from the first substrate, a plurality of liquid crystal parts disposed between the first and second substrates, and separated in a horizontal direction from each other, spacers for separating the liquid crystal parts between the first and the second substrates, and immobilization patterns disposed in each of the liquid crystal parts, and including an optically active material.
    Type: Application
    Filed: March 8, 2016
    Publication date: June 30, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gi Heon KIM, Hojun RYU, Won Jae LEE, Yong Hae KIM, Chul Am KIM
  • Patent number: 9341678
    Abstract: Fail-safe systems and design methodologies for large capacity battery systems are disclosed. The disclosed systems and methodologies serve to locate a faulty cell in a large capacity battery, such as a cell having an internal short circuit, determine whether the fault is evolving, and electrically isolate the faulty cell from the rest of the battery, preventing further electrical energy from feeding into the fault.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: May 17, 2016
    Assignee: Alliance for Sustainable Energy, LLC
    Inventors: Gi-Heon Kim, Kandler Smith, John Ireland, Ahmad A. Pesaran, Jeremy Neubauer
  • Patent number: 9310650
    Abstract: Provided are a display device and a method of manufacturing the same. The display device includes a first substrate, a second substrate facing the first substrate and separated from the first substrate, a plurality of liquid crystal parts disposed between the first and second substrates, and separated in a horizontal direction from each other, spacers for separating the liquid crystal parts between the first and the second substrates, and immobilization patterns disposed in each of the liquid crystal parts, and including an optically active material.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: April 12, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gi Heon Kim, Hojun Ryu, Won Jae Lee, Yong Hae Kim, Chul Am Kim
  • Publication number: 20150362785
    Abstract: Provided is a display device. The display device includes a first electrode, a second electrode facing and separated from the first electrode, a liquid crystal layer filling up a space between the first and second electrodes, an organic layer disposed between the second electrode and the liquid crystal layer, and a dye disposed in the liquid crystal layer and fixed to the organic layer.
    Type: Application
    Filed: January 27, 2015
    Publication date: December 17, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon KIM, Won Jae LEE
  • Publication number: 20150323817
    Abstract: Provided are a spatial light modulator (SLM) and a method of fabricating the same. The complex spatial light modulator includes a thin film transistor (TFT) layer provided on a substrate, an amplitude type SLM and a phase type SLM electrically connected to the TFT layer, and a first polarizer provided on the phase type SLM, wherein the TFT layer includes transistors electrically connected to the amplitude type SLM and the phase type SLM, respectively, and the amplitude type SLM and the phase type SLM are commonly and electrically connected to the TFT layer and driven.
    Type: Application
    Filed: September 30, 2014
    Publication date: November 12, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Hae KIM, Chi-Sun HWANG, Gi Heon KIM, Hojun RYU, Chunwon BYUN, Himchan OH, Myung Lae LEE, Hye Yong CHU
  • 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
  • Publication number: 20150146153
    Abstract: Provided are a display device and a method of manufacturing the same. The display device includes a first substrate, a second substrate facing the first substrate and separated from the first substrate, a plurality of liquid crystal parts disposed between the first and second substrates, and separated in a horizontal direction from each other, spacers for separating the liquid crystal parts between the first and the second substrates, and immobilization patterns disposed in each of the liquid crystal parts, and including an optically active material.
    Type: Application
    Filed: May 21, 2014
    Publication date: May 28, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon KIM, Hojun RYU, Won Jae LEE, Yong Hae KIM, Chul Am KIM
  • Publication number: 20150146134
    Abstract: Provided are a liquid crystal display device and a liquid crystal display device including the same. The liquid crystal display device includes a first substrate, a second substrate facing and separated from the first substrate, a liquid crystal layer disposed between the first and second substrates, and a light source providing light to the liquid crystal layer. The liquid crystal layer includes cholesteric liquid crystal and a dichromic dye. The cholesteric liquid crystal includes nematic liquid crystal and an optically active material, and selectively reflects light having a certain wavelength, and the dichromic dye transmits light selectively reflected from the cholesteric liquid crystal. An amount of the dichromic dye is about 0.01 to about 10 wt % based on a total amount of the liquid crystal layer.
    Type: Application
    Filed: May 15, 2014
    Publication date: May 28, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon KIM, Won Jae LEE, Chul Am KIM, Hojun RYU
  • Patent number: 8976442
    Abstract: Electro-wetting display devices are disclosed. The electro-wetting display may include an upper structure and a lower structure opposite to each other, a hydrophobic insulating layer covering a bottom surface of the upper structure, hydrophilic partitions disposed between the hydrophobic insulating layer and the lower structure to define pixel regions, and a colorless conductive fluid and a colored non-conductive fluid filling each of the pixel regions. A specific gravity of the colored non-conductive fluid may be smaller than a specific gravity of the colorless conductive fluid.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: March 10, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventor: Gi Heon Kim
  • Patent number: 8806953
    Abstract: Provided is a bending test apparatus for flexible substrate which may increase or maximize reliability. The bending test apparatus includes a table, a first electrode part fixing one side of a flexible substrate on the table, a guide rail disposed adjacent to the first electrode part, the guide rail extending from the one side of the flexible substrate to the other side, a slider moved along the guide rail, and a second electrode part connected to the slider, the second electrode part approaching or spacing the other side of the flexible substrate to/from the first electrode part.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: August 19, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventor: Gi Heon Kim
  • Publication number: 20140168595
    Abstract: A liquid crystal display device may include a liquid crystal and a coloring material including at least one of yellow, magenta, and cyan coloring materials. The coloring material may have high solubility and dispersion stability on the liquid crystal, and thus, it can be used for a liquid crystal layer. The liquid crystal display device may include a partition delimiting pixels, and the liquid crystal layer may be provided in the pixels. The pixels may include first, second, and third pixels. The coloring materials in the first, second, and third liquid crystal layers may be adjusted, in terms of kind, composition, and weight percentage, to control colors to be displayed by the first, second, and third pixels.
    Type: Application
    Filed: June 4, 2013
    Publication date: June 19, 2014
    Inventors: Gi Heon KIM, Hojun RYU
  • Patent number: 8735003
    Abstract: Hybrid solid-liquid electrolyte lithium-ion battery devices are disclosed. Certain devices comprise anodes and cathodes conformally coated with an electron insulating and lithium ion conductive solid electrolyte layer.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: May 27, 2014
    Assignee: Alliance for Sustainable Energy, LLC
    Inventors: Gi-Heon Kim, Yoon Seok Jung
  • Patent number: 8461860
    Abstract: Provided is a bending test apparatus of a flexible device. The bending test apparatus includes: first and second electrode parts disposed in a horizontal direction and loading a flexible device horizontally, wherein the first electrode part is movable in the horizontal direction and the second electrode part is fixed so that the first electrode part horizontally moves toward the second electrode part to apply mechanical stress of the horizontal direction to the flexible device.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: June 11, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Hae Kim, Gi Heon Kim, Seung Youl Kang
  • Publication number: 20130113495
    Abstract: Fail-safe systems and design methodologies for large capacity battery systems are disclosed. The disclosed systems and methodologies serve to locate a faulty cell in a large capacity battery, such as a cell having an internal short circuit, determine whether the fault is evolving, and electrically isolate the faulty cell from the rest of the battery, preventing further electrical energy from feeding into the fault.
    Type: Application
    Filed: September 27, 2012
    Publication date: May 9, 2013
    Applicant: ALLIANCE FOR SUSTAINABLE ENERGY, LLC
    Inventors: Gi-Heon KIM, Kandler SMITH, John IRELAND, Ahmad A. PESARAN, Jeremy Neubauer
  • Publication number: 20130100516
    Abstract: Provided is an electro wetting display capable of improving driving stability by more stably controlling movement of a nonpolar fluid among electro wetting elements. The electro wetting display according to an exemplary embodiment of the present disclosure includes: a first substrate formed on a viewing side of the display, a second substrate formed on a rear side of the display, a pixel partition wall formed between the first and second substrates to partition a pixel area, in which a part of the partition wall is made of a conductive material, and a polar fluid and a nonpolar fluid filled in the pixel area partitioned by the pixel partition wall.
    Type: Application
    Filed: June 11, 2012
    Publication date: April 25, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gi Heon Kim, Sang Hee Park
  • Publication number: 20120285257
    Abstract: Provided is a bending test apparatus for flexible substrate which may increase or maximize reliability. The bending test apparatus includes a table, a first electrode part fixing one side of a flexible substrate on the table, a guide rail disposed adjacent to the first electrode part, the guide rail extending from the one side of the flexible substrate to the other side, a slider moved along the guide rail, and a second electrode part connected to the slider, the second electrode part approaching or spacing the other side of the flexible substrate to/from the first electrode part.
    Type: Application
    Filed: April 30, 2012
    Publication date: November 15, 2012
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Gi Heon KIM
  • Patent number: 8206536
    Abstract: A method of stacking a flexible substrate is provided. The method includes the steps of: preparing a carrier substrate; stacking an adhesive layer on the carrier substrate; and stacking a flexible substrate having at least one image display device on the adhesive layer using a laminating or pressing method. Thus, the flexible substrate is easily fabricated without modification of conventional mass-production equipment for fabricating a display, and thereby a lightweight, thin, and compact flexible display can be realized.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: June 26, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Heon Kim, Yong Hae Kim, Dong Jin Park, Chul Am Kim, Kyung Soo Suh
  • Publication number: 20120001159
    Abstract: Provided is an insulating layer in which an inorganic material is added to an organic polymer to thereby improve the insulating properties, an organic thin film transistor using the insulating layer, and a method of fabricating the organic thin film transistor. An insulating layer for an organic thin film transistor including a vinyl polymer and an inorganic material is provided. Here, a weight ratio of the vinyl polymer to the inorganic material may be in the range of 1:0.0001 to 1:0.5. Accordingly, it is possible to fabricate a thin film at low temperature and, further, to fabricate an insulating layer having a high-dielectric constant, not affecting other layers formed in the previous processes during the formation of the insulating layer.
    Type: Application
    Filed: September 15, 2011
    Publication date: January 5, 2012
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gi Heon KIM, Sung Min YOON, Kyu Ha BAEK, In Kyu YOU, Seung Youl KANG, Seong Deok AHN, Kyung Soo SUH
  • Publication number: 20120000602
    Abstract: A method of stacking a flexible substrate is provided. The method includes the steps of: preparing a carrier substrate; stacking an adhesive layer on the carrier substrate; and stacking a flexible substrate having at least one image display device on the adhesive layer using a laminating or pressing method. Thus, the flexible substrate is easily fabricated without modification of conventional mass-production equipment for fabricating a display, and thereby a lightweight, thin, and compact flexible display can be realized.
    Type: Application
    Filed: September 13, 2011
    Publication date: January 5, 2012
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gi Heon KIM, Yong Hae KIM, Dong Jin PARK, Chul Am KIM, Kyung Soo SUH
  • Publication number: 20110311882
    Abstract: Hybrid solid-liquid electrolyte lithium-ion battery devices are disclosed. Certain devices comprise anodes and cathodes conformally coated with an electron insulating and lithium ion conductive solid electrolyte layer.
    Type: Application
    Filed: June 16, 2011
    Publication date: December 22, 2011
    Applicant: Alliance for Sustainable Energy, LLC
    Inventors: Gi-Heon Kim, Yoon Seok Jung