Patents Assigned to Daegu Gyeongbuk Institute of Science
  • Publication number: 20240044025
    Abstract: Provided is a catalyst for oxygen evolution reaction (OER) which has excellent catalytic performance and durability of oxygen evolution reaction (OER) by applying an oxide of divalent titanium having high electrical conductivity as a support, and more particularly, a porous catalyst for oxygen evolution reaction (OER) including a porous titanium oxide support satisfying TiO2?x (0.1?x<2); and a metal hydroxide supported on the titanium oxide support, and a method of preparing the same are provided.
    Type: Application
    Filed: August 7, 2023
    Publication date: February 8, 2024
    Applicant: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Jong Sung YU, Tong Hyun Kang
  • Publication number: 20240038487
    Abstract: Provided is a liquid cell for an electron microscope according to an embodiment of the inventive concept, including a lower widow layer, an upper widow layer above the lower widow layer, and a separation film disposed between the upper widow layer and the lower widow layer so as to separate the upper widow layer and the lower widow layer from each other. An upper space may be defined by the upper widow layer and the separation film, and a lower space may be defined by the lower widow layer and the separation film. The upper widow layer, the lower widow layer, and the separation film may include the same material.
    Type: Application
    Filed: September 29, 2022
    Publication date: February 1, 2024
    Applicants: DAEGU GYEONGBUK INSTITUTE OF SCIENCE & TECHNOLOGY, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jiwoong YANG, Jungwon PARK, Hyeonjong MA
  • Patent number: 11875553
    Abstract: Disclosed are a real-time object detection method and an apparatus therefor. An object detection apparatus may receive an input image, may extract a first feature map from the input image, may detect an object included in the input image based on the first feature map, may extract, from the input image, a second feature map having resolution higher than the resolution of the first feature map, may extract a third feature map from the second feature map based on the region of the detected object, and may redetect the object based on the first feature map and the third feature map.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: January 16, 2024
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Woong Jae Won, Tae Hun Kim, Soon Kwon, Jin Hee Lee
  • Patent number: 11876810
    Abstract: A method of detecting a malicious node in a bus network system includes pre-storing, by a receiving node, autocorrelation characteristics and node identifiers for each signal received from nodes excluding than the receiving node in a bus network system, receiving, by the receiving node, a target signal from any one of the nodes, generating, by the receiving node, an autocorrelation characteristic of the target signal, searching for an autocorrelation characteristic, which is identical to the autocorrelation characteristic of the target signal or similar to the autocorrelation characteristic of the target signal by a reference level or more, among the autocorrelation characteristics of each of the signals stored by the receiving node, determining, by the receiving node, whether a first node identifier matching the searched autocorrelation characteristic and a second node identifier extracted from a packet transmitted to the target signal are the same.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: January 16, 2024
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ji Woong Choi, Woo Jin Jeong, Eun Min Choi
  • Publication number: 20240001539
    Abstract: A system for controlling a flexible joint robot includes a control input dimension conversion part configured to receive a control input of a robot and convert the Cartesian coordinate system of the control input to the rotating workspace coordinate system; an entire flexible joint robot dynamics part configured to receive the control input and a disturbance and output a control output by multiplying the control input reflecting the disturbance by at least one determinant; and a disturbance observer configured to reflect the estimated disturbance in the control input by calculating an estimated disturbance obtained by estimating the disturbance, wherein the disturbance observer includes a mutual reaction force removal part including a determinant for removing mutual reaction force between joints of the robot; a low-pass filter; and an estimated-disturbance dimension conversion part.
    Type: Application
    Filed: September 11, 2023
    Publication date: January 4, 2024
    Applicant: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Se Hoon OH, Deok Jin LEE
  • Publication number: 20230420694
    Abstract: The present invention relates to composite particles of a core-shell structure including a metal oxide particle core and a platinum-group transition metal shell, and an electrode for platinum-group transition metal-based electrochemical reactions including an oxygen reduction reaction, the electrode including the composite particles. Specifically, the present invention relates to: composite particles of a core-shell structure including a platinum-group transition metal shell formed on a metal oxide particle core by a photoreduction reaction; a catalyst for platinum-group transition metal-based electrochemical reactions including an oxygen reduction reaction, the catalyst including the composite particles; an electrode for platinum-group transition metal-based electrochemical reactions including an oxygen reduction reaction; a fuel cell; and a platinum-group transition metal-based electrochemical conversion device.
    Type: Application
    Filed: October 13, 2021
    Publication date: December 28, 2023
    Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Sung YU, Ha Young LEE
  • Patent number: 11835929
    Abstract: Disclosed is a control device of a plant.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: December 5, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sehoon Oh, Hanul Jung
  • Publication number: 20230381960
    Abstract: Disclosed is an integral self-monitoring soft actuator including a body portion configured to be driven by deformation due to stimulation; a first limiter integrally formed with respect to the longitudinal direction of the body portion to limit deformation of the body portion in the longitudinal direction; a second limiter that limits deformation of the body portion in the radial direction by including at least a pair of electrodes in a spiral shape integrally provided on the outer surface of the body portion; and a controller for controlling motion of the body portion, wherein the controller self-monitors deformation of the body portion by self-sensing changes in the intervals between the electrodes according to deformation of the body portion. According to the above configuration, deformation of the body portion may be self-detected in real time using the second limiter integrally provided with the body portion, thereby improving control efficiency.
    Type: Application
    Filed: December 13, 2021
    Publication date: November 30, 2023
    Applicant: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Jae Hong LEE, Hwa Joong KIM
  • Patent number: 11826368
    Abstract: The present disclosure relates to a pharmaceutical composition comprising ibrutinib as an effective ingredient for preventing or treating neurodegenerative brain disease. Ibrutinib according to the present disclosure inhibits LPS-induced proinflammatory cytokine levels and BV2 microglial cell migration. In addition, ibrutinib treatment significantly reduced LPS-mediated microglial and astroglial activation. Ibrutinib treatment significantly diminished AP plaque numbers, tau hyperphosphorylation, and tau kinase CDK5 phosphorylation. Moreover, ibrutinib treatment enhances memory and thus can be used as a therapeutic agent for prevention or treatment of neurodegenerative brain disease.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: November 28, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyang Sook Hoe, Jeoung Yeon Kim, Hye Yeon Nam, Ju Young Lee, Young Pyo Nam, Ri Jin Kang, Hyun Ju Lee
  • Publication number: 20230375502
    Abstract: Disclosed is a technology of extracting faradaic current-type Second-Derivative-based Background Removal (SDBR) data, from which a capacitive charge current is subtracted, through the second derivative after background subtraction of FSCV data and providing a neurotransmitter concentration measurement result based on the extracted SDBR data.
    Type: Application
    Filed: March 13, 2023
    Publication date: November 23, 2023
    Applicant: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Ji Woong CHOI, Seong Tak Kang, Yong Seok Oh, Jeong Rak Park, Yun Ho Jeong
  • Publication number: 20230367175
    Abstract: The provided programmable photonic circuit includes a tunable optical coupler, an optical phase shifter, and a control unit. First and second waveguides are provided in a first section corresponding to each other in the tunable optical coupler, and the tunable optical coupler includes a first actuator to adjust optical coupling efficiency of an optical signal between the first and second waveguides. One waveguide of the first and second waveguides, and a perturbation waveguide are provided in a second section corresponding to each other in the optical phase shifter, and the optical phase shifter includes a second actuator to change the phase of an optical signal traveling through the one waveguide, by changing an effective refractive index of an optical mode of the one waveguide according to the gap between the one waveguide and the perturbation waveguide. The control unit controls driving signals applied to the first and second actuators.
    Type: Application
    Filed: May 11, 2023
    Publication date: November 16, 2023
    Applicants: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sangyoon HAN, Kyoungsik Yu
  • Patent number: 11810312
    Abstract: A multiple instance learning device for analyzing 3D images, comprises a memory in which a multiple instance learning model is stored and at least one processor electrically connected to the memory, wherein the multiple instance learning model comprises a convolution block configured to derive a feature map for each of 2D instances of a 3D image inputted to the multiple instance learning model, a spatial attention block configured to derive spatial attention maps of the instances from the feature maps derived from the convolution block, an instance attention block configured to receive a result of combining the feature maps and the spatial attention maps and derive an attention score for each instance, and derive an aggregated embedding for the 3D image by aggregating embeddings of the instances according to the attention scores.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: November 7, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang Hyun Park, Philip Chikontwe
  • Patent number: 11802238
    Abstract: The present invention relates to a ligand-exchanged inorganic perovskite quantum dot thin film and a solar cell comprising the same. The inorganic perovskite quantum dot thin film provided in one aspect of the present invention is capable of more effective ligand exchange by directly inserting the organic ligand ion-based salt generating organic ligand ions, and the thin film can be used to prepare solar cells with high power conversion efficiency. Therefore, the thin film of the present invention can contribute to the commercialization of perovskite quantum dot solar cells in the future.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: October 31, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Younghoon Kim, Jigeon Kim
  • Publication number: 20230343977
    Abstract: Disclosed are an additive for a polymer electrolyte membrane fuel cell and a polymer electrolyte membrane fuel cell including the additive. The additive may include a carbon material having a predetermined shape and a perovskite compound having the formula Ce(ZrxTi1-x)O3, wherein x satisfies 0<x<1, and wherein the perovskite compound is deposited on the carbon material.
    Type: Application
    Filed: December 9, 2022
    Publication date: October 26, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Kweon Ju Park, Ju Ahn Park, Sangaraju Shanmugam, Da Bin Han, Hyeon Jin You
  • Patent number: 11793931
    Abstract: A device for conveying a biological material includes a body including an aperture configured to enable connection with an outside of the body and a chamber configured to store a biological material, a plurality of conveyors accommodated in the body and configured to convey the material, and a driver configured to select one of the plurality of conveyors, align the selected conveyor with the aperture, and move the selected conveyor to the outside of the body through the aperture.
    Type: Grant
    Filed: November 24, 2022
    Date of Patent: October 24, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Suk Ho Park, Hyun Chul Choi
  • Patent number: 11771896
    Abstract: A balloon type retinal stimulation device includes: a substrate unit having an insertion portion to be inserted into an eyeball; and a stimulation unit provided at one or both of one and the other surfaces of the substrate unit. The insertion portion is expandable and contractible as a fluid is injected into and discharged from an inside of the injection portion. When the insertion portion expands, one surface of the insertion portion matches a shape of the retina such that the stimulation unit is brought into close contact with the retina on which an image is formed, and the other surface of the insertion portion comes into close contact with an inner surface of the eyeball that is not a region of retina on which an image is formed, to support the insertion portion that is in contact with the region of retina on which an image is formed.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: October 3, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: So Hee Kim, Hyun Min Moon, Nam Sun Chou
  • Patent number: 11774439
    Abstract: Disclosed is an integrated biochemical sensor including a reference electrode, a plurality of working electrodes each having different artificial lipid membranes, and partition layers for electrically insulating the reference electrode and each of the working electrodes.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: October 3, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyung In Jang, Jun Woo Yea, Han Hee Jung
  • Patent number: 11773210
    Abstract: The present specification relates to a copolymer including a first unit represented by Chemical Formula 1; and a second unit represented by Chemical Formula 2, and an organic solar cell including the same.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: October 3, 2023
    Assignees: LG CHEM, LTD., DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Bogyu Lim, Youngu Lee, Jiyoung Lee, Honggi Kim, Hyojung Heo, Jaechol Lee
  • Patent number: 11772094
    Abstract: Provided are a microfluidic apparatus and a method for separating a target cell using the same. The microfluidic apparatus for separating a first material in a biological sample from the biological sample, according to an embodiment of the disclosure, includes: a body rotatable on a rotation axis; a mixing chamber included in the body, wherein the biological sample and magnetic beads that are combined with a second material in the biological sample are mixed in the mixing chamber; a separation chamber included in the body and connected to the mixing chamber, wherein a mixed sample of the first material and the second material combined with the magnetic beads is separated in the separation chamber; and a magnetic member positioned on one side of the body outside the separation chamber, wherein, in the separation chamber, the first material is separated from the second material combined with the magnetic beads by a centrifugal force and a magnetic force.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: October 3, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventor: Min Seok Kim
  • Patent number: 11768499
    Abstract: One embodiment of the present invention provides an intersection point pattern recognition system using sensor data of a mobile robot, comprising: a mobile robot that autonomously drives by using sensor data received from a sensor unit and an intersection point pattern recognition model provided by a management server; and the management server that receives usage environment information of the mobile robot and generates the intersection point pattern recognition model of the mobile robot to provide the intersection pattern recognition model to the mobile robot, wherein the management server comprises: a map generation unit for receiving the usage environment information of the mobile robot and generating a route map of the mobile robot on the basis of the usage environment information; a normalization unit for generating a virtual map by normalizing the route map according to a preset rule; and a learning unit for generating the intersection point pattern recognition model by using the virtual map and the se
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: September 26, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Tae Hun Kang, Jung Hyun Chu, Sung Gil Wee, Dae Han Hong