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).
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Publication number: 20160187687Abstract: 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: ApplicationFiled: March 8, 2016Publication date: June 30, 2016Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Gi Heon KIM, Hojun RYU, Won Jae LEE, Yong Hae KIM, Chul Am KIM
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Patent number: 9341678Abstract: 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: GrantFiled: September 27, 2012Date of Patent: May 17, 2016Assignee: Alliance for Sustainable Energy, LLCInventors: Gi-Heon Kim, Kandler Smith, John Ireland, Ahmad A. Pesaran, Jeremy Neubauer
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Patent number: 9310650Abstract: 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: GrantFiled: May 21, 2014Date of Patent: April 12, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Gi Heon Kim, Hojun Ryu, Won Jae Lee, Yong Hae Kim, Chul Am Kim
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Publication number: 20150362785Abstract: 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: ApplicationFiled: January 27, 2015Publication date: December 17, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Gi Heon KIM, Won Jae LEE
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Publication number: 20150323817Abstract: 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: ApplicationFiled: September 30, 2014Publication date: November 12, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Yong Hae KIM, Chi-Sun HWANG, Gi Heon KIM, Hojun RYU, Chunwon BYUN, Himchan OH, Myung Lae LEE, Hye Yong CHU
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Publication number: 20150160511Abstract: 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: ApplicationFiled: May 23, 2014Publication date: June 11, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: 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
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Publication number: 20150146153Abstract: 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: ApplicationFiled: May 21, 2014Publication date: May 28, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Gi Heon KIM, Hojun RYU, Won Jae LEE, Yong Hae KIM, Chul Am KIM
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Publication number: 20150146134Abstract: 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: ApplicationFiled: May 15, 2014Publication date: May 28, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Gi Heon KIM, Won Jae LEE, Chul Am KIM, Hojun RYU
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Patent number: 8976442Abstract: 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: GrantFiled: January 9, 2013Date of Patent: March 10, 2015Assignee: Electronics and Telecommunications Research InstituteInventor: Gi Heon Kim
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Patent number: 8806953Abstract: 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: GrantFiled: April 30, 2012Date of Patent: August 19, 2014Assignee: Electronics and Telecommunications Research InstituteInventor: Gi Heon Kim
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Publication number: 20140168595Abstract: 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: ApplicationFiled: June 4, 2013Publication date: June 19, 2014Inventors: Gi Heon KIM, Hojun RYU
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Patent number: 8735003Abstract: 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: GrantFiled: June 16, 2011Date of Patent: May 27, 2014Assignee: Alliance for Sustainable Energy, LLCInventors: Gi-Heon Kim, Yoon Seok Jung
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Patent number: 8461860Abstract: 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: GrantFiled: August 13, 2010Date of Patent: June 11, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Yong Hae Kim, Gi Heon Kim, Seung Youl Kang
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Publication number: 20130113495Abstract: 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: ApplicationFiled: September 27, 2012Publication date: May 9, 2013Applicant: ALLIANCE FOR SUSTAINABLE ENERGY, LLCInventors: Gi-Heon KIM, Kandler SMITH, John IRELAND, Ahmad A. PESARAN, Jeremy Neubauer
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Publication number: 20130100516Abstract: 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: ApplicationFiled: June 11, 2012Publication date: April 25, 2013Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Gi Heon Kim, Sang Hee Park
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Publication number: 20120285257Abstract: 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: ApplicationFiled: April 30, 2012Publication date: November 15, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Gi Heon KIM
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Patent number: 8206536Abstract: 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: GrantFiled: September 13, 2011Date of Patent: June 26, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Gi Heon Kim, Yong Hae Kim, Dong Jin Park, Chul Am Kim, Kyung Soo Suh
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Publication number: 20120001159Abstract: 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: ApplicationFiled: September 15, 2011Publication date: January 5, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Gi Heon KIM, Sung Min YOON, Kyu Ha BAEK, In Kyu YOU, Seung Youl KANG, Seong Deok AHN, Kyung Soo SUH
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Publication number: 20120000602Abstract: 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: ApplicationFiled: September 13, 2011Publication date: January 5, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Gi Heon KIM, Yong Hae KIM, Dong Jin PARK, Chul Am KIM, Kyung Soo SUH
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Publication number: 20110311882Abstract: 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: ApplicationFiled: June 16, 2011Publication date: December 22, 2011Applicant: Alliance for Sustainable Energy, LLCInventors: Gi-Heon Kim, Yoon Seok Jung