Patents Assigned to Postech
  • Publication number: 20240117442
    Abstract: Methods and apparatuses are disclosed for detecting a presence of a mismatched pair in an oligonucleotide duplex that is attached to a solid substrate using an atomic force microscope. In particular, methods and apparatuses of the invention allow qualitative and quantitative analysis of the presence of a mismatched pair in a sample of oligonucleotide duplex using an atomic force microscope comprising an AFM cantilever that includes a DNA mismatch repair protein. Methods and apparatuses of the invention allow detection of gene mutation without a need for amplification, labeling, or modification of the sample. Such apparatuses and methods can be used in a wide variety of clinical diagnostic applications including detection and/or analysis of biomarkers related to, but not limited to, cancer, trauma, sepsis, aseptic inflammation, myocardial infarction, stroke, transplantation, diabetes, sickle cell disease, as well as other clinical conditions.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 11, 2024
    Applicant: Postech Research and Business Development Foundation (POSTECH)
    Inventors: Joon Won Park, Sourav Mishra, Changill Ban
  • Publication number: 20240118455
    Abstract: A meta optical device for forming structured light by modulating incident light having a preset wavelength includes a plurality of supercells each including a plurality of nanostructures having a shape dimension less than the preset wavelength, and shapes and arrangements of the plurality of nanostructures are designed to form the structured light as a point pattern having a viewing angle greater than 160° in horizontal and vertical directions.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 11, 2024
    Applicant: POSTECH Research and Business Development Foundation
    Inventors: Junsuk RHO, Gyeongtae KIM, Yeseul KIM, Jooyeong YUN, Inki KIM
  • Publication number: 20240120938
    Abstract: The present disclosure relates to a time-division multiplexing (TDM)-based multi-channel electrocardiogram measurement apparatus and method, which remove the influence of power line interference in a way to implement multiple channels by using a TDM method, remove an electrode DC offset (EDO) through a pre-charged capacitor, and periodically take a current out or supply a current. The TDM-based multi-channel electrocardiogram measurement apparatus and method robust against power line interference according to the present disclosure have advantages in that it can measure electrocardiogram by using multiple channels with low power and high integration based on TDM, can perform contactless measurement because an EDO is efficiently eliminated and high impedance is satisfied, and has a characteristic robust against power line interference.
    Type: Application
    Filed: November 16, 2022
    Publication date: April 11, 2024
    Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Jae Yoon SIM, Kyu Jin CHOI
  • Patent number: 11955731
    Abstract: An electronic device includes a housing including a first plate and a second plate; and a first antenna structure. The first antenna structure includes a board disposed between the first plate and the second plate. The board includes a first surface facing the first plate, a second surface facing the second plate, a plurality of insulating layers stacked on top of each other between the first surface and the second surface, a first conductive layer disposed on the first surface, a second conductive layer disposed on the second surface, a plurality of strips disposed between the plurality of insulating layers, and a plurality of vias connecting at least one or more of the first conductive layer, the second conductive layer, or the plurality of strips to each other and disposed in the plurality of insulating layers.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: April 9, 2024
    Assignees: Samsung Electronics Co., Ltd, Postech Research and Business Development Foundation
    Inventors: Yeonwoo Kim, Wonbin Hong, Junho Park, Jaehyun Choi, Sehyun Park, Sumin Yun
  • Patent number: 11955704
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, an antenna unit disposed on a top surface of the dielectric layer, the antenna unit including a radiator and a transmission line connected to the radiator, a dummy electrode separated from the antenna unit on the top surface of the dielectric layer, the dummy electrode at least partially surrounding the antenna unit, and a blocking pattern arranged around the antenna unit in the dummy electrode. Radiation interruption from the dummy electrode is prevented by the blocking pattern to improve radiation reliability.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: April 9, 2024
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Yoon Ho Huh, Jong Min Kim, Han Sub Ryu, Won Bin Hong
  • Publication number: 20240111921
    Abstract: A processor-implemented method includes performing first parameter optimization of a battery model through a first predetermined optimization technique; switching, based on a count accumulated while performing the first parameter optimization indicating that a switching criterion has been met, from the first optimization technique to a second predetermined optimization technique; performing second parameter optimization of the battery model through the second predetermined optimization technique; and determining a final parameter combination as an optimized parameter of the battery model, in response to an occurrence of an optimization end event during the performance of the second parameter optimization.
    Type: Application
    Filed: August 28, 2023
    Publication date: April 4, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., POSTECH Research and Business Development Foundation
    Inventors: Jungsoo KIM, Joonhee KIM, Jinho KIM, Myeongjae LEE, Huiyong CHUN, Soohee HAN
  • Patent number: 11945916
    Abstract: The present invention relates to a fatty acid amide-based oleogel containing polymer and a method for preparing same and, more particularly, to a fatty acid amide-based oleogel containing polymer and a method for preparing same, the oleogel comprising: a substrate formed of a polymer of a fatty acid amide having a single double bond and a silicone polymer, or a composition comprising same; and an oleogel surface formed by impregnating the substrate with oil, wherein, in the silicone polymer, first silyl-terminated polydialkylsiloxane is crosslinked with second vinyl-terminated polydialkylsiloxane, and the fatty acid amide is linked to the first silyl-terminated polydialkylsiloxane. Also, the present invention can provide use of the fatty acid amide-based oleogel containing polymer according to the present invention.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: April 2, 2024
    Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Sang Joon Lee, Jae Hyeon Lee
  • Publication number: 20240099136
    Abstract: Disclosed herein are a method for manufacturing a graphene thermoelectric device and a graphene thermoelectric device manufactured thereby. The method for manufacturing a graphene thermoelectric device includes: forming a graphene channel layer on a substrate; forming a thermoelectric structure by depositing a first electrode and a second electrode on both ends of the graphene channel layer; and doping the graphene channel layer by dipping the thermoelectric structure into a doping solution.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 21, 2024
    Applicant: POSTECH Research and Business Development Foundation
    Inventors: Byoung Hun LEE, Hyeon Jun HWANG
  • Publication number: 20240096517
    Abstract: The present invention provides a stretchable ACF, a method for manufacturing same, and an interfacial bonding member and a device comprising same. The stretchable ACF comprises: a polymer film; and conductive particles inserted into the polymer film and aligned therein, wherein the conductive particles are exposed to the outside of the upper and lower surfaces of the polymer film.
    Type: Application
    Filed: October 13, 2021
    Publication date: March 21, 2024
    Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Un Yong JEONG, Min Sik KONG, Hye Jin HWANG
  • Patent number: 11925726
    Abstract: The present disclosure is related to a perfusable-type bio-dual proximal tubule cell construct and a producing method thereof capable of applying an in vitro artificial organ model configured to include a first bioink comprising a decellularized substance derived from a mammalian kidney tissue and human umbilical vascular endothelial cells (HUVECs) and a second bioink comprising the decellularized substance and renal proximal tubular epithelial cells (RPTECs), wherein the first bioink and the second bioink are coaxial and printed in tubular constructs having different inner diameters. According to the present disclosure, it is possible to use the renal proximal tubule-on-a-chip as a bioreactor capable of observing a biological drug reaction similar to a real drug by perfusing various drugs to the renal proximal tubule-on-a-chip.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: March 12, 2024
    Assignees: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY—ACADEMIC COOPERATION FOUNDATION
    Inventors: Dong-Woo Cho, Wonil Han, Narendra K. Singh, Yong Kyun Kim, Sun Ah Nam
  • Patent number: 11928578
    Abstract: A method of processing of a sparsity-aware neural processing unit includes receiving a plurality of input activations (IA); obtaining a weight having a non-zero value in each weight output channel; storing the weight and the IA in a memory, and obtaining an input channel index comprising a memory address location in which the weight and the IA are stored; and arranging the non-zero weight of each weight output channel according to a row size of an index matching unit (IMU) and matching the IA to the weight in the IMU comprising a buffer memory storing the input channel index.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: March 12, 2024
    Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Sungju Ryu, Jae-Joon Kim, Youngtaek Oh
  • Patent number: 11925922
    Abstract: The present invention relates to a method of improving the corrosion resistance of a metal substrate surface using an oxygen reduction catalyst, which may improve the corrosion resistance of the metal substrate surface by coating the metal substrate surface with the oxygen reduction catalyst so that the metal substrate surface is changed to a passive state through the action of the oxygen reduction catalyst in an environment in which a stable oxide layer is not spontaneously formed on the metal substrate surface. The present invention has an advantage in that it can dramatically improve the corrosion resistance of the metal substrate under a corrosive environment by allowing a recoverable oxide layer to be formed on the metal substrate surface through the action of the oxygen reduction catalyst, applied to the surface, even in an environment in which an oxide layer is not spontaneously formed on the metal substrate.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: March 12, 2024
    Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Yong-Tae Kim, Jaeik Kwak, Hyoung Seop Kim, Sujung Son, Sang-Mun Jung
  • Publication number: 20240079792
    Abstract: A reconfigurable intelligent surface is provided. The reconfigurable intelligent surface includes a plurality of unit cells arranged in a first direction and a second direction perpendicular to the first direction, each of the plurality of unit cells including a first electrode, a liquid crystal layer, and a second electrode, a plurality of first conductive lines electrically connecting to each other first electrodes arranged in the first direction from among the first electrodes included in the plurality of unit cells, and a plurality of second conductive lines electrically connecting to each other second electrodes arranged in the second direction from among the second electrodes included in the plurality of unit cells, wherein a wave incident on the reconfigurable intelligent surface is steered in a certain direction based on an electrical signal applied to the plurality of unit cells.
    Type: Application
    Filed: August 30, 2023
    Publication date: March 7, 2024
    Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Wonbin HONG, Youngno YOUN
  • Patent number: 11925129
    Abstract: The present invention provides a multi-layer selector device exhibiting a low leakage current by controlling a threshold voltage. According to an embodiment of the present invention, the multi-layer selector device comprises: a substrate; a lower electrode layer disposed on the substrate; an insulating layer disposed on the lower electrode layer and having a via hole passing through to expose the lower electrode layer; a switching layer disposed on the lower electrode layer in the via hole, performing a switching operation by forming and destroying a conductive filament, and made of a multi-layer to control the formation of the conductive filament; and an upper electrode layer disposed on the switching layer.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: March 5, 2024
    Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Jang Sik Lee, Kwang Hyun Kim, Young Jun Park
  • Publication number: 20240067805
    Abstract: The present invention provides an improved method of quantitative and/or qualitative analysis of a target molecule using nitrocellulose membrane (NCM). In particular, the present invention provides a porous nitrocellulose membrane that includes a surface and an organic nanostructured molecule that is non-covalently attached to the surface of NCM. The organic nanostructured molecule has a branched region that includes a plurality of terminal region (e.g., terminal end) moieties that are non-covalently attached or bound to a surface of the porous NCM. The organic nanostructured molecule also comprises a linear region that includes a covalently attached capture molecule that is adapted to selectively bind to a target molecule. The NCM of the invention provides an improved reproducibility, reliability, and selectivity compared an NCM in the absence of the organic nanostructured molecule.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 29, 2024
    Applicant: NB Postech
    Inventors: Joon Won PARK, Sung Min SEO
  • Patent number: 11911983
    Abstract: Provided is a method of forming a micro/nanowire having a nanometer- to micrometer-sized diameter at predetermined positions of an object. The method includes: preparing a micro/nanopipette having a tip with an inner diameter which is substantially the same as the diameter of the micro/nanowire to be formed; filling the micro/nanopipette with a solution containing a micro/nanowire-forming material; brining the solution into contact with the object through the tip of the micro/nanopipette; and pulling the micro/nanopipette from the object at a pulling speed lower than or equal to a predetermined critical speed (?c) to obtain a micro/nanowire having substantially the same diameter as the inner diameter of the micro/nanopipette tip.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: February 27, 2024
    Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Jung Ho Je, Un Yang, Seung Soo Oh, Moon Jung Yong, Byung Hwa Kang
  • Patent number: 11905445
    Abstract: According to the present invention, an organic light-emitting composite and a method of manufacturing the organic light-emitting composite are provided. According to exemplary embodiments, an organic light-emitting composite includes a polymer matrix; a first light-emitting material provided in the polymer matrix; and a second light-emitting material provided in the polymer matrix and obtained by oxidizing the first light-emitting material, wherein the second light-emitting material may have the same molecular weight as that of the first light emitting-material.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: February 20, 2024
    Assignees: POSTECH ACADEMY-INDUSTRY FOUNDATION, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hee Cheul Choi, Jin Young Koo, Minkyung Lee
  • Patent number: 11908999
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte, the electrolyte including a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a compound represented by Chemical Formula 1: in Chemical Formula 1, R1 is a cyano group, a substituted or unsubstituted C2 to C10 alkenyl group, or a substituted or unsubstituted C2 to C10 alkynyl group.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: February 20, 2024
    Assignees: SAMSUNG SDI CO., LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Myunghwan Jeong, Younghye Kang, Haneol Kang, Dongyoung Kim, Soojin Kim, Aeran Kim, Hoon Kim, Suyeol Ryu, Moon Jeong Park, Jeongmin Shin, Junyong Lee, Tae Jin Lee, Jin-Hyeok Lim, Wonseok Cho, Hyunbong Choi, Jungmin Han
  • Publication number: 20240055770
    Abstract: An electronic device includes a memory, a frequency selective surface (FSS) including a plurality of cells, and at least one processor. Each cell of the plurality of cells includes a liquid crystal layer. The at least one processor is configured to receive a signal from another electronic device based on the FSS. The at least one processor is configured to determine refraction information for each cell of the plurality of cells of the FSS based on a difference between first pattern information for the other electronic device and second pattern information for the received signal. The at least one processor is configured to perform a reconfiguration for the FSS based on refraction information for each cell of the plurality of cells of the FSS. The at least one processor is configured to obtain a reconstruction signal from the other electronic device based on the reconfigured FSS.
    Type: Application
    Filed: June 5, 2023
    Publication date: February 15, 2024
    Applicants: Samsung Electronics Co., Ltd., POSTECH Research and Business Development Foundation
    Inventors: Seungtae KO, Daehyeon KIM, Jungyub LEE, Wonbin HONG
  • Publication number: 20240046574
    Abstract: A method for providing a mixed reality combined physical space, performed by an electronic controller of a physical space, may comprise: receiving a signal for conversion from a traditional physical space to a mixed reality physical space; controlling an operation of an actuator coupled to a curtain or blind that suppresses reflection of light on front and wall surfaces of a physical space according to an input of the signal such that the curtain or blind is unfolded; and controlling an illumination of a lighting of the mixed reality physical space to lower or increase the illumination at a specific level interval or continuously, wherein a quality of mixed reality content provided to the mixed reality physical space is improved by controlling the illumination of the lighting.
    Type: Application
    Filed: October 13, 2022
    Publication date: February 8, 2024
    Applicant: POSTECH Research and Business Development Foundation
    Inventors: Wook Sung KIM, Ji Hyung KIM, Kyeong Sun KIM, Sun Geun PARK