Patents by Inventor Kyu Hwang

Kyu Hwang 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: 20210146344
    Abstract: Proposed is a catalyst complex having high activity for carbon dioxide conversion reaction that converts carbon dioxide to useful compounds through reaction of carbon dioxide and hydrocarbon containing at least one hydroxyl group, and a carbon dioxide conversion process using the same, wherein the catalyst complex includes, as an active metal in the catalyst complex, at least one of noble metals and at least one of transition metals other than noble metals, thereby having high activity for the carbon dioxide conversion reaction.
    Type: Application
    Filed: November 13, 2020
    Publication date: May 20, 2021
    Inventors: Young Kyu HWANG, Jaesung KWAK, Maeum LEE, Anil Haribhau VALEKAR, Kyung Ryul OH, Do Young HONG, A Reum BYEUN, Dong Won HWANG, Joungmo CHO
  • Patent number: 10995171
    Abstract: Disclosed are a system for controlling an ethylene vinyl acetate (EVA) copolymerization process and a method of controlling the same. The system for controlling the EVA copolymerization process may include a database for analysis configured to store analysis data obtained by matching processing conditions with measured data for first EVAs produced under the processing conditions, a computer programmed to estimate a VA content with respect to second EVA using the analysis data, a computer programmed to estimate a molecular weight distribution of the second EVA using the VA content estimated in the VA content estimation unit and processing factors corresponding thereto, and a computer programmed to estimate a recovery system blockage phenomenon using the VA content estimated and the molecular weight distribution estimated.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: May 4, 2021
    Inventors: Ye Seul Sim, Kyu Hwang Lee
  • Publication number: 20210124976
    Abstract: An apparatus for calculating a similarity of images according to one embodiment includes a first feature extractor configured to extract an image feature vector from an image, a text region detector configured to detect one or more text object regions included in the image, a second feature extractor configured to extract a text image feature vector from each of the detected text object regions, a third feature extractor configured to recognize text from each of the text object regions and extract a text semantic feature vector from the recognized text, and a concatenator configured to generate a text object feature vector from the text image feature vector and the text semantic feature vector, which are extracted from the same text object region.
    Type: Application
    Filed: October 28, 2019
    Publication date: April 29, 2021
    Inventors: JU-DONG KIM, Bong-kyu Hwang, Jae-woong Yun
  • Publication number: 20210114245
    Abstract: Disclosed is a method that may include the steps of: (a) previously acquiring information on defect positions of the optical film along the length direction of the optical film; (b) dividing the whole area of the optical film into a plurality of large calculation areas for deriving a plurality of cutting positions, based on a normal cutting distance condition and minimum cutting distance condition in the length direction, and the information on the defect positions of the optical film; and (c) determining the cutting positions from an area, in which none of the cutting positions are determined in the length direction of the optical film, among the plurality of large calculation areas.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 22, 2021
    Inventors: Soon Ki HEO, Mun Cheon KWAK, Eung Jin JANG, Chan Soo KIM, Kyu Hwang LEE
  • Patent number: 10971572
    Abstract: A flexible OLED panel for a lighting device according to the present invention includes a substrate which is made of a polymer material and has a first light extracting pattern provided on a lower surface thereof; an auxiliary wiring pattern which is arranged on the substrate; a first electrode which is arranged on the substrate on which the auxiliary wiring pattern is arranged; a passivation layer which is arranged on the first electrode, at least on an area on which the auxiliary wiring pattern is arranged; an OLED light emitting structure which is arranged on the first electrode on which the passivation layer is arranged; a second electrode which is arranged on the OLED light emitting structure; and an encapsulation layer which is arranged on the second electrode.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: April 6, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Kyu-Hwang Lee, Taejoon Song, Chulho Kim, Jungeun Lee, Shin-Bok Lee, Taeok Kim
  • Patent number: 10860501
    Abstract: A redundancy method of a three-dimensional laminated memory includes receiving, by first, second and third processors, a command for data operation, transmitting and receiving, by each of the second and third processors, data through dedicated data buses in order to perform the data operation, receiving, by the first processor, operation result values of the second and third processors from a main memory, comparing, by a result value comparator of the first processor, the operation result values of the first, second and third processors, and outputting, by the result value comparator, operation result values in correspondence with the result of comparison.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: December 8, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hong Yeol Lim, Jin Ha Choi, Jin Kyu Hwang
  • Patent number: 10818868
    Abstract: An OLED panel for a lighting device is provided. The OLED panel for a lighting device may include a substrate; a first auxiliary wiring pattern disposed on the substrate; a first electrode disposed on a substrate on which the first auxiliary wiring pattern is disposed; a passivation layer disposed on the first electrode within an area where the first auxiliary wiring pattern is disposed; a second auxiliary wiring pattern disposed on the passivation layer to form a plurality of areas partitioned from each other; an OLED light emitting structure disposed in the plurality of areas partitioned by the second auxiliary wiring pattern; a second electrode disposed on the OLED light emitting structure and the second auxiliary wiring pattern; and, an encapsulating layer disposed on the second electrode. The OLED panel for a lighting device may form the respective OLED light emitting structures in an island shape, thereby improving luminance uniformity.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: October 27, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jungeun Lee, Chulho Kim, Taejoon Song, Kyu-Hwang Lee
  • Patent number: 10766019
    Abstract: The present invention relates to an olefin metathesis reaction catalyst where rhenium (Re) oxide or molybdenum (Mo) oxide is supported, as a catalyst main component, on a surface-modified mesoporous silica or mesoporous alumina support, and a preparation method therefor. The olefin metathesis reaction catalyst of the present invention allows highly efficient metathesis of long-chain unsaturated hydrocarbons having at least eight carbons at a low temperature of 150° C. or lower. The catalyst can be separated readily from reaction solution, regenerated at a low temperature of 400° C. or lower by removing toxins accumulated on it during the metathesis reaction, and used repeatedly in metathesis reaction many times, thereby being made good use in commercial olefin metathesis processes.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: September 8, 2020
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Jong Yeol Jeon, Man Jae Gil, Dong Won Hwang, Young Kyu Hwang, Yoo Han Han
  • Patent number: 10770674
    Abstract: Disclosed herein is an OLED lighting apparatus which can achieve both improvement in reliability and reduction in manufacturing cost. In the OLED lighting apparatus, an encapsulation layer is disposed over the active area and the non-active area on a buffer layer, such that a pad disposed in the non-active area of the buffer layer can be stably secured by the encapsulation layer bonded thereto. Accordingly, upon tape automated bonding between an FPCB substrate with a COF tape attached thereto and a via electrode, the COF tape does not directly contact the pad but contacts the via electrode connected to the pad, particularly a connection terminal of the via electrode disposed on an upper surface of the encapsulation layer, thereby establishing electrical connection between the FPCB substrate and the via electrode.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: September 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyu-Hwang Lee, Taejoon Song, Chulho Kim, Hwankeon Lee
  • Publication number: 20200216350
    Abstract: Provided is a method for manufacturing a glass substrate, comprising steps of: cooling a glass substrate transported by a plurality of rollers rotating at a predetermined speed; predicting a crack defect rate of the glass substrate in accordance with a plurality of predictive factors related to crack defects of the glass substrate and rotational speed information of the respective rollers, in the transport process; and adjusting the rotational speed of each roller so that the crack defect rate of the glass substrate is lowered. Also provided is an apparatus for manufacturing a glass substrate, comprising a transport part for cooling a glass substrate transported by a plurality of rollers rotating at a predetermined speed, a prediction part for predicting a crack defect rate of the glass substrate through a partial least squares regression analysis, and a control part for controlling the rotation speed of each roller.
    Type: Application
    Filed: September 20, 2018
    Publication date: July 9, 2020
    Inventors: Chang Song LEE, Kyu Hwang LEE, Kyu Jong LEE
  • Publication number: 20200212335
    Abstract: The present disclosure relates to an electroluminescent lighting device having high aperture ratio. The present disclosure provides an electroluminescent light device comprising: a substrate having an emission area and a non-emission area surrounding the emission area; a power line disposed in the emission area and defining an open area; a buffer layer covering the substrate having the power line; a power contact hole formed at the buffer layer for exposing some of the power line; an anode layer disposed on the buffer layer and contacting the power line through the power contact hole; a passivation layer covering the power contact hole on the anode layer; an emission layer on the anode layer; and a cathode layer on the emission layer.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 2, 2020
    Inventors: Kyu-Hwang Lee, ChulHo Kim, TaeJoon Song, Kyungha Lee, Taeok Kim
  • Publication number: 20200203324
    Abstract: An electronic device comprising: a first display panel having a first side facing an eye of a user; a second display panel having a first side disposed at a second side of the first display panel; a first optical element disposed at the first display panel to emit one of red (R), green (G), or blue (B) light; a second optical element disposed at the first display panel together with the first optical element and configured to emit another one of the R, G, or B light; and a third optical element disposed at the second display panel to emit the remaining one of the R, the G, and the B light. The electronic device according to the present disclosure may be associated with an artificial intelligence module, a robot, an augmented reality (AR) device, a virtual reality (VR) device, and a device related to 5G services and the like.
    Type: Application
    Filed: December 20, 2019
    Publication date: June 25, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Yong SHIN, Sungchul SHIN, Dong Young LEE, Chang Kyu HWANG
  • Publication number: 20200192831
    Abstract: A redundancy method of a three-dimensional laminated memory includes receiving, by first, second and third processors, a command for data operation, transmitting and receiving, by each of the second and third processors, data through dedicated data buses in order to perform the data operation, receiving, by the first processor, operation result values of the second and third processors from a main memory, comparing, by a result value comparator of the first processor, the operation result values of the first, second and third processors, and outputting, by the result value comparator, operation result values in correspondence with the result of comparison.
    Type: Application
    Filed: July 8, 2019
    Publication date: June 18, 2020
    Inventors: Hong Yeol Lim, Jin Ha Choi, Jin Kyu Hwang
  • Patent number: 10658434
    Abstract: An organic light-emitting display device and a method of manufacturing the same are disclosed. The organic light-emitting display device includes a touch sensor having a plurality of touch electrodes on an encapsulation stack covering a light-emitting element. The touch electrodes are formed at a low temperature and are crystallized through an annealing process, whereby it is possible to prevent damage to an organic light-emitting layer at the time of forming the touch electrodes. Thus the touch electrodes can be formed on the encapsulation stack without an additional bonding process to bond the touch sensor to the organic light-emitting display device.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 19, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Tae-Joon Song, Kyu-Hwang Lee
  • Patent number: 10644350
    Abstract: Provided is a secondary battery having a battery case which accommodates an electrode assembly including a cathode, a anode, and a separator disposed between the cathode and the anode, together with an electrolyte, wherein one or more selected from the group consisting of the cathode, the anode, the separator, the electrolyte, and the interior of the battery case include, as a water adsorbent, a first organic-inorganic hybrid nanoporous material which may be regenerated by desorbing 70% or more of a total adsorption amount of adsorbed water at 150° C. or lower; and optionally, a second organic-inorganic hybrid nanoporous material, of which water adsorption capacity is higher than water desorption capacity at a relative humidity p/p0 of 0.3 or less (herein, p0 represents a saturated vapor pressure at an application temperature and p represents a vapor pressure upon adsorption).
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 5, 2020
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jong San Chang, Young Kyu Hwang, Kyung Ho Cho, U Hwang Lee, Sue Kyung Lee, Do Young Hong, Dong Won Hwang
  • Publication number: 20200095133
    Abstract: Embodiments of the disclosure relate to a treatment method and a treatment apparatus for a UF6 heel, using a gas phase reaction. A specific treatment method includes (1) vaporizing the UF6 heel, (2) manufacturing solid phase UO2F2 by using UF6 gas vaporized at step (1), (3) separating the solid phase UO2F2 and by-product gas from each other, and (4) separating hydrogen fluoride from the by-product gas. According to the disclosure, stabilization of a reconversion process and the quality of UO2 powder may be improved by manufacturing the solid phase UO2F2, which is an intermediate of the UO2 powder, through the UF6 heel treatment, and the high cost of radioactive waste disposal is reduced by minimizing the UF6 heel to be less than 0.5 kg.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Applicant: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Youngmoon Bae, Yudon Moon, In-Kyu Hwang, Hyundong Shin, Seungchul Yang, Dongyong Kwak, Byungkook Lee, Hyunkwang Cho, Junho Lee
  • Patent number: 10591272
    Abstract: A deformation sensing sensor as disclosed includes a conductive material inside the body thereof such that, by sensing a change in resistance or capacitance resulting from a deformation, a degree of deformation of the measurement object can be detected. The body includes an elastic layer, which has a corrugation formed on one surface thereof, and a conductive layer, which is formed on the other surface of the elastic layer using a conductive material. When the body is deformed in the lateral direction of the surface on which the corrugation is formed, the change in resistance of the conductive layer before and after the deformation, or the change in capacitance thereof is measured, thereby detecting the degree of deformation of the measurement object.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: March 17, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Heung Cho Ko, Yun Jeong Heo, Young Kyu Hwang
  • Publication number: 20200054991
    Abstract: Embodiments of the present disclosure pertain to methods of sorption of H2O from an environment by associating the environment with a porous material such that the association results in the sorption of H2O to the porous material. The porous material includes a (M)-2,4-pyridinedicarboxylic acid coordination polymer, where M is a divalent metal ion selected from the group consisting of Mn, Fe, Co, Ni, Mg, and combinations thereof. The coordination polymer has a one-dimensional pore structure and shows reversible soft-crystal behavior. The porous material may be a Mg(II) 2,4-pyridinedicarboxylic acid coordination polymer (i.e., Mg-CUK-1). The methods of the present disclosure may also include one or more steps of releasing the sorbed H2O from the porous material and reusing the porous material after the releasing step for sorption of additional H2O from the environment.
    Type: Application
    Filed: August 14, 2019
    Publication date: February 20, 2020
    Inventors: Simon M. Humphrey, Jong-San Chang, Young Kyu Hwang
  • Publication number: 20200010592
    Abstract: Disclosed are a system for controlling an ethylene vinyl acetate (EVA) copolymerization process and a method of controlling the same. The system for controlling the EVA copolymerization process may include a database for analysis configured to store analysis data obtained by matching processing conditions with measured data for first EVAs produced under the processing conditions, a vinyl acetate (VA) content estimation unit configured to estimate a VA content with respect to second EVA using the analysis data, a molecular weight distribution estimation unit configured to estimate a molecular weight distribution of the second EVA using the VA content estimated in the VA content estimation unit and processing factors corresponding thereto, and a recovery system blockage estimation unit configured to estimate a recovery system blockage phenomenon using the VA content estimated in the VA content estimation unit and the molecular weight distribution estimated in the molecular weight distribution estimation unit.
    Type: Application
    Filed: May 15, 2018
    Publication date: January 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ye Seul Sim, Kyu Hwang Lee
  • Publication number: 20200004023
    Abstract: An electronic device is disclosed. The electronic device according to the present disclosure includes: a display which includes a display area opposite to eyeball of a user and a dummy area which is a remaining area, a plurality of optical elements disposed to be dispersed on one surface of the display, and a guide element which guides light emitted from the optical elements to the display area. An electronic device according to the present invention may be associated with an artificial intelligence module, robot, augmented reality (AR) device, virtual reality (VR) device, and device related to 5G services.
    Type: Application
    Filed: September 5, 2019
    Publication date: January 2, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Yong SHIN, Sungchul SHIN, Dong Young LEE, Chang Kyu HWANG