Patents Assigned to Daegu Gyeongbuk Institute of Science and Technology
  • Patent number: 11697104
    Abstract: Disclosed is a method for preparing a matrix containing metal-organic frameworks (MOFs), comprising the steps of: 1) mixing an organic ligand precursor solution and an anionic polymer-containing solution to produce a mixed solution; and 2) adding a metal salt to the mixture solution. In addition, the present disclosure provides a matrix containing MOFs prepared according to the preparation method, and an adsorbent comprising the same. Furthermore, a method for performing fluid separation by using a matrix containing MOFs prepared according to the preparation method is disclosed.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: July 11, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Nak Cheon Jeong, Jeong Ho Lim, Eun Ji Lee
  • Patent number: 11687784
    Abstract: An artificial intelligence system and a method for searching for an optimal model are provided. A method for searching for a learning mode of an artificial intelligence system includes receiving, by an operator included in a first node, first channels, deriving, by the operator included in the first node, first parameter weight indexes corresponding to weights of first parameters by calculating the first parameters corresponding to each of the received first channels with the received first channels, generating and outputting a second channel group by combining the first channel with the other channel, receiving, by an operator included in a second node, second channels included in the second channel group, and deriving, by the operator included in the second node, second parameter weight indexes corresponding to weights of second parameters by calculating the second parameters corresponding to the received second channels with the received second channels.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: June 27, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hee Chul Lim, Min Soo Kim
  • Publication number: 20230188317
    Abstract: An apparatus includes: one or more processors configured to: generate packed data by performing data packing on an encrypted image; and perform a homomorphic encryption operation based on the packed data and a weight.
    Type: Application
    Filed: August 16, 2022
    Publication date: June 15, 2023
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation, Industry Academic Cooperation Foundation, Chosun University, Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Woosuk CHOI, Joon-Woo LEE, Eunsang LEE, Young-Sik KIM, Yongjune KIM, Jong-Seon NO, Junghyun LEE
  • Publication number: 20230175150
    Abstract: The present invention relates to a composite that is-cost-effective, has an excellent catalytic activity, and significantly improves stability compared to a pure platinum catalyst according to the related art. Specifically, the composite according to the present invention contains a carbon support and a binary alloy consisting of platinum and an alkaline earth metal supported on the carbon support which satisfies a specific condition in a Pt 4f X-ray photoelectron spectroscopy (XPS) spectrum of the binary alloy.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 8, 2023
    Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong-Sung YU, Caleb GYAN-BARIMAH
  • Patent number: 11660072
    Abstract: A probe includes a working channel, at least one optical element provided in the working channel and configured to acquire a spectral image of surface information of an object, and an ultrasonic transducer arranged in the working channel and configured to acquire an ultrasonic image of depth information of the target and move with respect to the at least one optical element.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: May 30, 2023
    Assignees: Daegu Gyeongbuk Institute of Science and Technology, SNU R&DB FOUNDATION, The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Jae Youn Hwang, Ji Hun Kim, Teo Jeon Shin, Hong-Keun Hyun, Hyoun Joong Kong
  • Patent number: 11659766
    Abstract: One embodiment of the present invention provides an organic semiconductor material for electron transport. The organic semiconductor material for electron transport may have a structure represented by the following Formula 1: wherein X1 and X2 each independently represent oxygen (O) or sulfur (S) and R1 and R2 each may independently contain a pyridine group, a dipyridylbenzene group, a fluoropyridine group, a diphenylthiazole group, a diphenyloxazole group, a triphenyldiazole group, a phenylthiadiazole group, a phenyloxadiazole group, a diphenyltriazole group, a pyrimidine group, a pyrimidylbenzene group, a phenylpyrimidine group, a diphenylphosphine oxide group, a diphenyltriazine group or a phenyltetrazine group.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 23, 2023
    Assignee: Daegu Gyeongbuk Institute of Science & Technology
    Inventors: Youn Gu Lee, Seok Hoon Jang
  • Patent number: 11658765
    Abstract: A device and method for anti jamming using a decoy signal are provided. The device may include a processor configured to allocate, in connection with a request for transmission of information, first frequency band to information signal including the information and allocate a second frequency band to the decoy signal including fake information associated with the information, and an outputter configured to output the decoy signal and the information signal at a predetermined time interval and output the information signal through the first frequency band after an attack on the second frequency band by the jammer that inspects the decoy signal is detected.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: May 23, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ji Woong Choi, Sung Min Han, Sung-Ho Lim, Chan Kuen Park, Kyung-Joon Park, Yongsoon Eun
  • Patent number: 11640364
    Abstract: Provided are an apparatus and a method for controlling an interrupt rate for a processor based on processor utilization. Accordingly, it is possible to improve an I/O response latency and improve energy efficiency.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: May 2, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dae Hoon Kim, Ki Dong Kang, Hyung Won Park
  • Patent number: 11637846
    Abstract: A method, performed by an observer node, of securing a network, includes: receiving a signal over the network; determining, based on a frequency characteristic of the received signal, which is determined according to a physical characteristic of a node, which transmits the received signal, a node, which has transmitted the received signal among a plurality of nodes included in the network; comparing a pre-learned signal pattern of the determined transmission node with a pattern of the received signal to determine whether the determined transmission node is a malicious node; and blocking the signal transmitted from the malicious node by determining that the transmission node is a malicious node.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: April 25, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ji Woong Choi, Eun Min Choi, Sung Min Han
  • Publication number: 20230106869
    Abstract: A drug delivery device according to an embodiment may include a body including an opening; a magnetic element disposed in the body; a reservoir disposed in the body, connected to the magnetic element, and configured to store a drug; and an opening/closing structure coupled to the body and configured to open or close the opening.
    Type: Application
    Filed: December 17, 2020
    Publication date: April 6, 2023
    Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Suk Ho PARK, Ji Hun LEE, Seung Un YANG
  • Patent number: 11613700
    Abstract: The present invention provides shortwave infrared ray emitting nanoparticles including a core having band gap energy of E1; an intermediate layer that is formed on the core and has band gap energy of E2; and an outer layer that is formed on the intermediate layer and has band gap energy of E3, in which the size of the E2 is smaller than the size of the E1 and the size of the E3. According to the present invention, it is possible to provide a solar cell which is improved in efficiency and life span and can be produced by a solution process.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: March 28, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY (DGIST)
    Inventors: Sung Jun Lim, Gyu Dong Lee, Woo Hyeon Jeong
  • Publication number: 20230090218
    Abstract: The present invention relates to a betavoltaic battery and a method of manufacturing the same. More specifically, the present invention relates to a betavoltaic battery characterized in that 14C, a radioisotope, is formed in the form of quantum dots and 14C is used as the cathode and the beta-ray source of the betavoltaic battery and a method of manufacturing the betavoltaic battery.
    Type: Application
    Filed: November 17, 2020
    Publication date: March 23, 2023
    Applicant: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Su Il IN, Yun Ju HWANG, Dae Hee KIM, Young Ho PARK, Hong Soo KIM
  • Patent number: 11596369
    Abstract: Provided is a method of generating a virtual x-ray image, the method including: obtaining a 3-dimensional (3D) image of a patient; determining a projection direction of the 3D image in consideration of a position relationship between an x-ray source of an x-ray device and the patient; and generating a virtual x-ray image by projecting the 3D image on a 2D plane in the determined projection direction.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: March 7, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae-Sung Hong, Sang-Seo Jeon, Seong-Pung Lee
  • Patent number: 11584015
    Abstract: A device for gripping an object includes a pair of grippers each having a gripping surface formed with a plurality of fine channels, a driver for driving the pair of grippers, a pump connected to at least one of the plurality of fine channels, to supply a fluid to the at least one of the plurality of fine channels, and a controller for controlling the driver to enable the pair of grippers to grip the object or controlling the pump to adjust an amount of the fluid supplied to the gripping surface.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: February 21, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Won Yun, Dong Hyun Kim
  • Patent number: 11579569
    Abstract: A system control apparatus includes a proportional-integral-derivative (PID) controller configured to control a behavior of a system and having a gain, and a gain determiner configured to apply, to a set adaptive load model, a variable associated with an error that varies based on a load change of the system and adaptively vary the gain using the adaptive load model to which the variable associated with the error is applied.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: February 14, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Junyoung Lee, Pyung Hun Chang, Byeonggi Yu
  • Patent number: 11579765
    Abstract: Provided is an olfactory data sharing terminal including a receiver configured to receive olfactory data obtained by sensing an odor of an object through an olfactory sensor; a preference determiner configured to determine whether a user prefers the received olfactory data, based on a user olfactory function fuser(x); and a display displaying a user preference for the received olfactory data.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: February 14, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Eun Jang, Hyuk Jun Kwon, Che Il Moon, Kyung In Jang, Ji Hwan Choi, Han Kyoung Choe, Su Jin Heo
  • Patent number: 11573416
    Abstract: Disclosed herein is a recirculating programmable photonic circuit including a programmable optical coupler including two first programmable waveguides and configured to adjust optical coupling efficiency of an optical signal based on a vertical movement of one of the two first programmable waveguides, a phase shifter including a second programmable waveguide and configured to change a phase of the optical signal based on a horizontal movement of the second programmable waveguide with respect to the first programmable waveguides, a plurality of core cells connected to each of the programmable optical coupler and the phase shifter to form a predetermined shape, the core cells being selectively driven by moving the optical signal from the predetermined shape according to the optical coupling efficiency and the phase, and an actuator electrically connected to one side of each of the plurality of core cells and configured to control the vertical movement and the horizontal movement.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: February 7, 2023
    Assignees: Daegu Gyeongbuk Institute of Science and Technology, Korea Advanced Institute of Science and Technology
    Inventors: Sangyoon Han, Kyoung Sik Yu
  • Patent number: 11566056
    Abstract: Peptides are easy to pass through a tissue-blood barrier, have excellent physiological activity in the protective activity of cells, and have an economic advantage due to low production costs. In addition, since there is no side effect of cell proliferation, a pharmaceutical composition containing a peptide of an aspect as an active ingredient can be usefully used in the treatment or prevention of neurological disorders and degenerative brain diseases.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: January 31, 2023
    Assignees: SYLUS CO., LTD, Daegu Gyeongbuk Institute of Science and Technology
    Inventors: So Yeon Kim, Che Il Moon
  • Patent number: 11563220
    Abstract: The present specification relates to a connecting material for a solid oxide fuel cell, comprising a conductive substrate; and a ceramic protective film provided on one surface of the conductive substrate, in which the ceramic protective film comprises an oxide represented by Formula 1, a manufacturing method thereof, and a solid oxide fuel cell comprising the same.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: January 24, 2023
    Assignees: LG CHEM, LTD., DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hunhyeong Lee, Sanghyeok Im, Doyeon Jeon, Kang Taek Lee, Kwangwook Choi, Tai Min Noh, Dong Woo Joh, Imdadullah Thaheem
  • Patent number: 11553866
    Abstract: Provided are a nanofiber mesh bioelectrode including: a nanofiber mesh sheet in which nanofibers containing a biocompatible water-soluble polymer are entangled in a network form; and a conductive layer coated on the nanofiber mesh sheet and including a conductive material, and a method of producing the same. The nanofiber mesh bioelectrode according to the present invention does not cause discomfort when applied to a living body due to its excellent biocompatibility and excellent flexibility, and easily measures a biosignal or easily applies stimulation for a long period of time, as the nanofiber mesh bioelectrode is not easily detached.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: January 17, 2023
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung-Won Lee, Woo-Seong Jeong