Patents Assigned to Gwangju Institute of Science and Technology
  • Patent number: 10444483
    Abstract: The present disclosure relates to a method for three-dimensional imaging, including introducing upconverting nanoparticles into a sample, illuminating near-infrared laser such that upconverting nanoparticles introduced into a sample is excited, detecting a visible ray emitted from the excited upconverting nanoparticles and capturing and acquiring two-dimensional images by scanning the sample in a depth direction of the sample, and generating a three-dimensional image of the sample using the two-dimensional images.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: October 15, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kang Taek Lee, Yo Han Song, Jin Ho Park, Hong Li Jo, Yeong Chang Goh, Kyu Jin Shin
  • Publication number: 20190309036
    Abstract: A cancer killer cell in which a therapeutic recombinant protein or recombinant protein which improves cytotoxic activity of the cancer killer cell is loaded. In addition, a pharmaceutical composition including the recombinant protein or a recombinant protein-loaded cancer killer cell is disclosed. Further, disclosed is a method for preparing a recombinant protein-loaded cancer killer cell.
    Type: Application
    Filed: August 27, 2018
    Publication date: October 10, 2019
    Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang-Duk JUN, Bu Nam JEON, hey-ran KIM
  • Patent number: 10438824
    Abstract: There is an apparatus for transferring a thin-film element, the apparatus comprising: a belt-type stamp; at least one support roller configured to allow a movement of the stamp; a first-stage roller system including at least one first-stage roller, wherein the first-stage roller is configured to allow thin-film elements attached to a first substrate to be picked up from the first substrate and to be attached to the stamp, wherein; and a second-stage roller configured to allow the thin-film elements attached to the stamp to be picked up from the stamp and to be printed onto a second substrate, wherein a curvature radius of the first-stage roller and a curvature radius of the second-stage roller are different from each other.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: October 8, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jongho Lee, Sungbum Cho
  • Patent number: 10422779
    Abstract: The present invention relates to an amino acid-based compound for detecting carbon dioxide, and to a carbon dioxide chemical sensor and a carbon dioxide detection method using the compound, wherein the compound having selectivity with respect to carbon dioxide exhibits a high selectivity to carbon dioxide and thus may detect carbon dioxide of a very low concentration, exhibits excellent light-absorbing or fluorescent characteristics, and, in particular, may achieve an effect of detecting carbon dioxide in real time.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: September 24, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Min-Su Han, Seung-Yoon Kang
  • Patent number: 10413204
    Abstract: The present disclosure discloses an apparatus for a brain computer interface (BCI) including a feature extraction filter trainer for training a feature extraction filter which minimizes an influence of a background brain wave while maximizing a difference between intended brain waves; and a classifier trainer for training a classifier for classifying the intended brain waves by using a feature vector obtained by filtering the intended brain wave at the feature extraction filter. With the apparatus, only the background brain wave is additionally measured, such that previous intended brain wave data can be reused and the brain wave can be classified more quickly and accurately.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: September 17, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hohyun Cho, Sung Chan Jun
  • Patent number: 10406136
    Abstract: The present invention relates to a composition for suppressing neuraminidase activity comprising a geranylated flavonoid derived from Paulownia tomentosa as an active ingredient. The Paulownia tomentosa extract and the geranylated flavonoid isolated therefrom exhibit an effect in significantly suppressing neuraminidase, which is an enzyme that plays an important role in the occurrence of pathogenic viral and bacterial infections and of the inflammation that accompanies such infection, and thus the Paulownia tomentosa extract or the geranylated flavonoid isolated therefrom can advantageously be used as an active ingredient in a composition for inhibiting neuraminidase activity.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: September 10, 2019
    Assignees: INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY, GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ki Hun Park, Soo Hyun Eom, Young Bae Ryu, Jung Keun Cho
  • Patent number: 10403780
    Abstract: There is provided a photoconductive semiconductor switch device comprising: a semiconductor substrate configured to generate electrons and holes using incident light thereto; at least one pair of conductive layers disposed on the semiconductor substrate, wherein one pair of the conductive layers consists of first and second conductive layers spaced apart from each other, wherein each of the first and second conductive layers contains abundant electrical carriers to have a low resistance; and first and second electrodes disposed on at least partially on the first and second conductive layers respectively. In this way, the application of the photoconductive semiconductor switch device may be widened.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: September 3, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventor: Jae Hyung Jang
  • Patent number: 10383508
    Abstract: Provided is an endoscope including a hand piece held by a hand and a main body connected to the hand piece. The hand piece may include a high-strength bar having an optical path providing unit formed therein, the main body may include: a light source unit for providing light; and a light processing unit for processing light, and the light processing unit may include: a beam splitter for splitting the light of the light source unit into a first beam serving as a reference beam and a second beam serving as a sample beam; and a scanner provided at the rear of the beam splitter so as to vary the angle of the second beam.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: August 20, 2019
    Assignees: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Euiheon Chung, Wonshik Choi, Changhyeong Yoon
  • Patent number: 10384375
    Abstract: A micro device transferring apparatus includes: a base; and a stamping array disposed on the base. The stamping array includes at least two transferring projections protruding from the base at a predetermined spacing therebetween. According to the present disclosure, the adhesion between a micro device and a target substrate can be enhanced, and the transferring apparatus can be used repeatedly and simply controlled so that the cost for handling the micro device can be saved. In addition, the positions of micro devices can be scaled in multiple dimensions, so that the micro devices can be mounted in a scalable manner.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: August 20, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jongho Lee, Byungsuk Yoo
  • Publication number: 20190237671
    Abstract: Provided are: a composite polymer semiconductor having a mesh shape formed by mixing a conjugated polymer and an insulating polymer; and a method for producing same. A composite polymer having a mesh structure is produced by introducing a small quantity of a conjugated polymer to an insulating polymer. The produced composite polymer having a mesh structure increases charge mobility, minimizes visible light absorption through the introduction of the small quantity of the conjugated polymer, and thus can be used as a transparent and flexible organic electronic element.
    Type: Application
    Filed: July 13, 2017
    Publication date: August 1, 2019
    Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwanghee LEE, Kilho YU, Byoung Wook PARK
  • Patent number: 10363688
    Abstract: The present disclosure relates to a technique for improving the ionic conductivity by introducing an electric field concept to a process for preparing an ion exchange membrane and deflecting an ion channel within an ion exchange membrane in one direction, and specifically to a device for fabricating an ion exchange membrane and a method therefor in a roll-to-roll manner and a casting manner with a deflected ion channel which can improve the ionic conductivity of the ion exchange membrane by reducing a travelling distance of the ions in the deflected ion channels.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: July 30, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung-Hyeon Moon, Ju-Young Lee, Jae-Hun Kim, Ju-Hyuk Lee
  • Patent number: 10365099
    Abstract: A method for exploring an installation space of an article includes acquiring a point cloud of an indoor space including a number of point data with three-dimensional scanning. The method also includes acquiring obstacle data and passage data from the point cloud. The method further includes exploring an installation space of the article to determine a space where an obstacle is placed in the obstacle data and a space where a passage is present, as a space where the article is allowed to be installed.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: July 30, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyoung-Seok Noh, Yong-Gu Lee
  • Patent number: 10326404
    Abstract: A time amplifier includes a first signal regeneration circuit, a second signal regeneration circuit, a first delay circuit configured to receive the second input signal and output the delayed second input signal by a predetermined delay time, and a second delay circuit configured to receive the first input signal and output the delayed first input signal by the predetermined delay time. A corresponding signal regeneration operation is stopped when at least one of the first and second output signals is high. The at least one output signal remains high.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: June 18, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Min Jae Lee, Min Uk Heo
  • Publication number: 20190173758
    Abstract: A cloud service system includes an overlay cloud managing unit to totally control an overlay cloud which is the cloud for a developer, a cloud provider to provide an infrastructure in which the overlay cloud is configured, and a direct connection point to physically directly connect the overlay cloud managing unit with the cloud provider.
    Type: Application
    Filed: December 5, 2018
    Publication date: June 6, 2019
    Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Won KIM, Jung su HAN
  • Patent number: 10303286
    Abstract: A haptic driving apparatus provides a user with electrovibration of certain strength regardless of a variance of a surrounding environment, and an electronic device has a haptic function. The haptic driving apparatus comprises a haptic electrode driver generating a haptic driving signal to supply the generated haptic driving signal to a haptic electrode through a current monitor and varying the haptic driving signal in accordance with voltages at both ends of the current monitor.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: May 28, 2019
    Assignees: LG Display Co., Ltd., Gwangju Institute of Science and Technology
    Inventors: JiEun Son, KiDuk Kim, JongHee Hwang, Je Ha Ryu, Hee Won Kim, Jeong Goo Kang
  • Patent number: 10299697
    Abstract: The present disclosure relates to a microelectrode for measuring EMG signals of a laboratory microfauna. The present disclosure includes a metal plate with an insulating plate deposited on a surface, a plurality of silicon substrates disposed on the insulating plate, the silicon substrates being electrically connected to the metal plate, covered with an insulator, and adjacent to one another, and a plurality of needle electrodes, each formed on the respective silicon substrates as an integral part thereof, wherein the needle electrodes have the same predetermined length, have a tapered shape from the respective silicon substrates, are spaced apart from each other by a predetermined distance, and wherein a metallic layer is formed on each of the needle electrodes by depositing metal materials, the insulator is formed on the metallic layer, and a portion of the metallic layer at a tip is exposed.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: May 28, 2019
    Assignees: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY, CHONNAM NATIONAL UNIVERSITY HOSPITAL, DAEGU GYEONGBUK INSTITUTE OF SCIENCE & TECHNOLOGY
    Inventors: Sung-Joon Cho, Seok-Yong Choi, Tai-Seung Nam, Dong-Hak Byun, So-Hee Kim, Myeong-Kyu Kim
  • Patent number: 10267794
    Abstract: Disclosed herein is an aptamer sensor including a substrate having metal nanoparticles formed thereon, an aptamer attached to surfaces of the metal nanoparticles to form a structure by selectively reacting with a target material to be detected, and an intercalating agent inserted between the aptamer and the target material in reaction of the aptamer with the target material to increase shift of an absorption spectrum due to local surface plasmon resonance sensor through aggregation toward the metal nanoparticles.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: April 23, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Min-Gon Kim, Jin-Ho Park, Ju Young Byun
  • Patent number: 10270182
    Abstract: Provided is a metamaterial-based polarization converter in which a reception antenna and a transmission antenna are formed by using a metamaterial, to thus emit an incident non-polarized or polarized electromagnetic wave in an angle-converted polarization direction. The metamaterial-based electromagnetic wave polarization converter includes: a reception antenna made of a metamaterial and allowing incident electromagnetic waves to resonate at a surface of the reception antenna to generate a surface current; a transmission antenna at a rear side of the reception antenna, and made of an angle-converted metamaterial to thus allow the electromagnetic waves transferred from the reception antenna to resonate to then be emitted in a polarization direction; and a connector made of a conductive material that connects the reception antenna and the transmission antenna, to thereby transfer a surface current generated from the reception antenna to the transmission antenna.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: April 23, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Hyung Jang, Jeong min Woo
  • Patent number: 10249901
    Abstract: An organic-inorganic composite anion exchange membrane for non-aqueous redox flow batteries, which contains a polyvinylidene fluoride polymer, and a method for preparing the same are disclosed.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: April 2, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung-Hyeon Moon, Sung-Hee Shin, Yekyung Kim, Ki Won Sung
  • Patent number: 10250317
    Abstract: A full-duplex communication method for a multi-hop wireless network including a source end for transmitting data, a destination end as a destination of the data and at least one relay for connecting the source end and the destination end wirelessly includes sending a transmission request from the source end to the destination end through the at least one relay in forward order, sending a transmission confirmation from the destination end to the source end through the at least one relay in reverse order in response to the transmission request and the at least one relay entering a ready state, and transmitting the data from the source end to the destination end through the at least one relay using a full-duplex scheme after receiving the transmission confirmation.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: April 2, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyuk Lim, Wooyeol Choi