Patents Assigned to Gwangju Institute of Science and Technology
  • Patent number: 11319289
    Abstract: The present invention relates to novel 5-hydroxy pyridine-based compounds useful as P2X1 and P2X3 receptor antagonists and compositions comprising the same. The compounds according to the present invention have an activity of strongly antagonizing P2X1 and P2X3 receptors, and thus can be effectively used as a drug for treating or preventing chronic inflammatory diseases or neuropathic pain diseases caused by P2X1 and P2X3 receptor activity.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: May 3, 2022
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yong Chul Kim, Young Hwan Jung
  • Patent number: 11311876
    Abstract: An analysis chip for determining an efficient anticancer drug or anticancer drug combination for cancer cells, according to an embodiment of the present disclosure, includes a chamber which is a unit for analyzing single cancer cells, and a plurality of valves configured to regulate a fluid to be injected into the chamber, wherein the chamber includes a channel through which a fluid including an anticancer drug and a cell lysis buffer flows, a cell sorting part configured to focus cancer cells flowing along the channel, a cell capturing part configured to focus the cancer cells focused by the cell storing sorting part, and an antibody array configured to capture proteins secreted from the captured cancer cells and intracellular protein through cell lysis.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: April 26, 2022
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung Yang, Jong Chan Choi
  • Patent number: 11295631
    Abstract: Disclosed is a character and shape presentation device, more specifically, an electro-vibrating device including a zoned electro-vibrating panel. The electro-vibrating device includes a motor for generating rotational power; a rotation unit rotated by the rotational power generated by the motor and provided in shape of a cylinder; and an electro-vibrating panel anodized on a face of the rotation unit to provide different tactile sensation patterns to a user.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: April 5, 2022
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jeha Ryu, Youngho Kim, Baekdong Cha, Yoonjeong Choi, Kyoungjae Jin
  • Publication number: 20220084234
    Abstract: Provided are a method and electronic device for identifying a size of a measurement target object. The method includes imaging a reference object, which is a reference for identifying the size of the measurement target object, to acquire a reference object image, imaging the measurement target object to acquire a target object image, fusing the acquired reference object image and the acquired target object image, and inputting the fused reference object image and target object image to a first neural network model to acquire size information of the measurement target object from the first neural network model.
    Type: Application
    Filed: September 2, 2021
    Publication date: March 17, 2022
    Applicant: GIST(Gwangju Institute of Science and Technology)
    Inventors: Kyoobin LEE, Seunghyeok BACK, Sungho SHIN, Raeyoung KANG, Sangjun NOH
  • Patent number: 11273000
    Abstract: A stereotactic device for primate brains indicates a brain coordinate reference point of a primate using a simulator for indicating a brain coordinate reference point, thereby providing an initial setting to a zero point corresponding to the brain coordinate reference point. The brain coordinate reference point is conveniently and accurately indicated without relatively expensive equipment, such as a magnetic resonance imaging (MRI) scanner, to determine brain coordinates of the primate, so that a targeting procedure can be conducted on the brain.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: March 15, 2022
    Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyung Sun Kim, Su Cheol Han, Dong Ho Woo, Young Su Yang, Goo Hwa Kang, Hyung Ihl Kim, Ji Young Park, Dong Hak Byun
  • Patent number: 11251371
    Abstract: A nonvolatile memory device having multi-level resistance and capacitance values is provided. Such a nonvolatile memory device includes: a substrate; a first electrode that is provided on the substrate; a dielectric layer that is provided on the first electrode, has resistance and capacitance changed by a tunneling conduction phenomenon of charges according to an applied voltage, has rectifying characteristics, and includes a dielectric material; an active layer that is provided on the dielectric layer, has resistance and capacitance changed according to an applied voltage, and includes a graphene oxide complex; and a second electrode that is provided on the active layer. In addition, the nonvolatile memory device has multi-level resistance and capacitance values according to an applied voltage.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: February 15, 2022
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Hyung Jang, Rani Anoop, Se I Oh
  • Publication number: 20220018807
    Abstract: The present disclosure relates to a microorganism detection apparatus using a dielectrophoresis (DEP) force.
    Type: Application
    Filed: July 20, 2021
    Publication date: January 20, 2022
    Applicant: GIST (Gwangju Institute of Science and Technology)
    Inventors: Sung YANG, Taek Eon JEONG, Jae Hyeon AHN, Yu Gyung JUNG
  • Patent number: 11223785
    Abstract: A compressive sensing image sensor includes: a pixel array; and a readout circuit configured to receive pixel data on a shot image in an analogue form, and to process the pixel data, wherein the pixel array includes a plurality of blocks each having a plurality of pixels and arranged in an array form, wherein the circuit includes: a compressive sensing multiplexer to which a plurality of pixel data outputted from a corresponding block from among the plurality of blocks are inputted; an LFSR configured to arbitrarily select at least one pixel data from the plurality of pixel data inputted to the compressive sensing multiplexer; and a delta-sigma ADC configured to receive the at least one pixel data selected by the LFSR, to delta-sigma modulate the received at least one pixel data, and to generate compressive sensing data for restoring an image of the corresponding block from among the shot images.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: January 11, 2022
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Geun Lee, Jin Ho Kim, Hyun Keun Lee, Woo Tae Kim
  • Patent number: 11217398
    Abstract: The present invention relates to a boron-dipyrromethene (BODIPY)-based copolymer, a method for preparing the copolymer, a solar cell including the copolymer, and a method for manufacturing the solar cell. By applying the copolymer of the present invention to a hole transporting layer, a solar cell having improved device characteristics such as charge mobility and power conversion efficiency and allowing those characteristics to be maintained for a long time may be provided.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: January 4, 2022
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sukwon Hong, Minkyu Kyeong
  • Publication number: 20210405042
    Abstract: Disclosed are a one-pot biosensor and an immunoassay method using the same. The one-pot biosensor includes a photocatalyst substrate deposited with metal nanoparticles; and a reaction pad which is disposed on an upper surface of the photocatalyst substrate and includes a first binding material-fluorescent material complex specifically binding to a molecule to be detected, and the immunoassay method using the same. The one-pot biosensor may detect a target by once solution injection and has a size enough to be portable. Accordingly, since the one-pot biosensor can detect the target by only once solution injection without a washing step, because of a sensor platform capable of being easily used by an individual other than a diagnostic expert, it is predicted to be positioned as a means capable of confirming the health condition of the individual without seeing the doctor, such as a pregnancy diagnostic kit which has been currently commercialized.
    Type: Application
    Filed: June 29, 2021
    Publication date: December 30, 2021
    Applicant: GIST (Gwangju Institute of Science and Technology)
    Inventors: Min Gon KIM, Ki Hyeun KIM, Eun Jung JO, Dong Gu HONG
  • Publication number: 20210391412
    Abstract: Provided is a memcapacitor. The memcapacitor includes: a first electrode having a metal-doped perovskite composition; a second electrode disposed on the first electrode; and a dielectric thin film having a perovskite composition, disposed between the first electrode and the second electrode, and having a variable dielectric constant depending on a voltage between the first electrode and the second electrode.
    Type: Application
    Filed: August 19, 2021
    Publication date: December 16, 2021
    Applicant: Gwangju Institute of Science and Technology
    Inventors: Sanghan Lee, Hyunji An, Jiwoong Yang
  • Publication number: 20210378234
    Abstract: The present invention provides a composition for freezing control, a composition for freezing a cell, and a composition for freezing a food, which include a compound in which 2 to 5 amino acids, for example, 2, 3, 4, or 5 amino acids are connected to fluorenylmethyloxycarbony (Fmoc) through peptide bonding.
    Type: Application
    Filed: December 12, 2019
    Publication date: December 9, 2021
    Applicants: Korea University Research and Business Foundation, GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Eun Ji LEE, Chang Whan LEE, Dong June AHN, In Hye KIM, Ha Yeon KIM, Ye Dam LEE
  • Publication number: 20210350144
    Abstract: Provided is a mixed reality-based experience simulator including an imaging part including first and second cameras installed on an experience object to capture images of different viewpoints from the experience object, a display part worn by a participant and configured to display a mixed reality image of the experience object to the participant, and an image processing unit configured to provide the mixed reality image to the display part and configured to generate the mixed reality image such that images captured by the first and second cameras are included in the mixed reality image. The mixed reality-based experience simulator according to the present invention generates a mixed reality image on the basis of images captured by a plurality of cameras installed on an experience object and provides the generated mixed reality image to a participant so that a more realistic experience is provided.
    Type: Application
    Filed: September 9, 2020
    Publication date: November 11, 2021
    Applicant: GIST(Gwangju Institute of Science and Technology)
    Inventors: Seung Jun KIM, Gwang Bin KIM, Do Hyeon YEO, Ji Eun LEE
  • Patent number: 11158701
    Abstract: Provided is a memcapacitor. The memcapacitor includes: a first electrode having a metal-doped perovskite composition; a second electrode disposed on the first electrode; and a dielectric thin film having a perovskite composition, disposed between the first electrode and the second electrode, and having a variable dielectric constant depending on a voltage between the first electrode and the second electrode.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: October 26, 2021
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Sanghan Lee, Hyunji An, Jiwoong Yang
  • Publication number: 20210319788
    Abstract: A speech processing apparatus includes a plurality of microphones configured to receive a plurality of input signals, and processing circuitry configured to generate a spatial filtering signal corresponding to the plurality of input signals through spatial filtering, generate estimated noise information by integrating directional noise information representing a level of a noise signal received from a direction of interest with diffuse noise information representing levels of noise signals received from various directions based on whether the plurality of input signals have directionality, and generate an estimated speech signal by filtering the spatial filtering signal based on the estimated noise information.
    Type: Application
    Filed: October 16, 2020
    Publication date: October 14, 2021
    Applicants: Samsung Electronics Co., Ltd., GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seongwoo KIM, Dongil HYUN, Jongwon SHIN, Sein CHEONG
  • Publication number: 20210302345
    Abstract: An apparatus for analyzing a biological material component may include an impedance sensor comprising a first electrode having a first contact surface that contacts an analysis target, and a second electrode having a second contact surface that contacts the analysis target and that faces the first contact surface. The apparatus may include an impedance measurement assembly configured to measure impedance of the analysis target using the first electrode and the second electrode. The apparatus may include a processor configured to model the measured impedance as an equivalent circuit, and analyze a biological material component based on a modeling result.
    Type: Application
    Filed: September 8, 2020
    Publication date: September 30, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kun Sun EOM, Myoung Hoon JUNG, Sung YANG, Minkook SON, Alexander ZHBANOV, Ye Sung LEE
  • Patent number: 11131454
    Abstract: A light emitting device array includes a substrate, a heat sink disposed on the substrate, at least two light emitting devices disposed on the heat sink and spaced apart from each other, a connector disposed on the light emitting device and configured to apply power, an insulating layer interposed between the heat sink and the connector, a fixing member configured to support a position of the light emitting device, on the light emitting device, and an adhesive layer provided on the fixing member to make contact with a skin.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: September 28, 2021
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Jongho Lee, Juho Kim
  • Patent number: 11132600
    Abstract: A method for generating a target network by performing neural architecture search using optimized search space is provided. The method includes steps of: a computing device (a) if a target data is inputted into the target network, allowing the target network to apply neural network operation to the target data, to generate an estimated search vector; and (b) allowing a loss layer to calculate architecture parameter losses by referring to the estimated search vector and a ground truth search vector, and to perform backpropagation by referring to the architecture parameter losses to update architecture parameter vectors for determining final layer operations among candidate layer operations included in an optimized layer type set corresponding to the optimized search space and wherein the final layer operations are to be performed by neural blocks, within cells of the target network, arranged according to an optimized cell template corresponding to the optimized search space.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: September 28, 2021
    Assignee: GIST(Gwangju Institute of Science and Technology)
    Inventors: Kunal Pratap Singh, Da Hyun Kim, Jong Hyun Choi
  • Publication number: 20210264240
    Abstract: A method for generating a target network by performing neural architecture search using optimized search space is provided. The method includes steps of: a computing device (a) if a target data is inputted into the target network, allowing the target network to apply neural network operation to the target data, to generate an estimated search vector; and (b) allowing a loss layer to calculate architecture parameter losses by referring to the estimated search vector and a ground truth search vector, and to perform backpropagation by referring to the architecture parameter losses to update architecture parameter vectors for determining final layer operations among candidate layer operations included in an optimized layer type set corresponding to the optimized search space and wherein the final layer operations are to be performed by neural blocks, within cells of the target network, arranged according to an optimized cell template corresponding to the optimized search space.
    Type: Application
    Filed: November 27, 2020
    Publication date: August 26, 2021
    Applicant: GIST(Gwangju Institute of Science and Technology)
    Inventors: Kunal Pratap SINGH, Da Hyun KIM, Jong Hyun CHOI
  • Publication number: 20210253437
    Abstract: A method for preparing a negative electrode active material for a lithium secondary battery according to one aspect of the present invention comprises the steps of: uniformly mixing silicon and metal oxide; and heating or ball-milling the mixture.
    Type: Application
    Filed: April 30, 2021
    Publication date: August 19, 2021
    Applicant: GIST (Gwangju Institute of Science and Technology)
    Inventors: Heyong Jin KIM, Seok Ho SUH