Patents Assigned to POSTECH Research and Business Development Foundation
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Patent number: 11974393Abstract: Proposed are a flexible electrode circuit capable of being foamed through 3D circuit printing, a strain sensor using the same, and a manufacturing method thereof. The flexible electrode circuit includes a flexible substrate and an electrode foamed on the flexible substrate. The electrode includes a conductive line layer and a passivation layer. The conductive line layer includes a matrix including an elastic polymer and a conductive line having conductive liquid metal microparticles dispersed in the matrix. The passivation layer includes a coating portion coated on the conductive line and having an elastic polymer.Type: GrantFiled: December 14, 2020Date of Patent: April 30, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Unyong Jeong, Veerapandian Selvaraj
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Publication number: 20240134458Abstract: The present disclosure relates to a cable-based force feedback control apparatus capable of automatically determining the unspecified number and positions of cable haptic apparatus and performing force feedback control based on the determination result and a control method for the apparatus. A force feedback control apparatus and a control method for the apparatus according to the present disclosure may freely change the number and positions of haptic modules, may be installed according to various screen sizes, and may automatically detect the number and positions of the haptic devices, thereby achieving scalability.Type: ApplicationFiled: May 17, 2023Publication date: April 25, 2024Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventor: Keehoon KIM
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Publication number: 20240137323Abstract: A traffic categorization method and device are disclosed. A traffic categorization method according to one embodiment of the present invention may comprise the steps of: receiving flow data comprising information about a flow; scaling for the flow data; generating input data by removing, on the basis of a correlation, overlapping data from the scaled flow data; and categorizing a network traffic on the basis of the input data.Type: ApplicationFiled: April 9, 2020Publication date: April 25, 2024Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Won Ki HONG, Jae Hyoung YOO, Ji Bum HONG
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Publication number: 20240138271Abstract: A superconducting quantum interferometric device (SQUID) includes: a conductive material region formed on a partial region of a substrate; a first superconducting material layer including a first loop including first and second extension units that are spaced apart from each other to form a proximity Josephson junction and that form a stack structure with the conductive material region; a second superconducting material layer including a second loop including first and second end units spaced apart from each other; and a tunnel Josephson junction formed by a stack structure including a tunnel thin film layer forming and the first and second end units, wherein at least a portion of the second loop forms a stack structure with the first loop.Type: ApplicationFiled: March 30, 2023Publication date: April 25, 2024Applicants: Samsung Electronics Co., Ltd., POSTECH Research and Business Development FoundationInventors: Jaehyeong LEE, Gilho LEE, Jinhyoun KANG, Jaeho SHIN, Seunghan LEE, Daeseok HAN
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Patent number: 11964877Abstract: Disclosed is a method for preparing a perovskite nanoparticle using a fluidic channel including a first step of forming a fluidic channel including a first outer tube, a second outer tube, and a storage tube capable of introducing flows of fluids, a second step of inducing formation of the perovskite nanoparticles by continuously preparing a mixed fluid with a laminar flow based on a flow rate by introducing a flow of a base fluid into the first outer tube, and introducing a flow of a dispersion fluid in the same direction as the flow of the base fluid into the second outer tube, and a third step of separating the perovskite nanoparticles from the mixed fluid stored in the storage tube.Type: GrantFiled: July 13, 2021Date of Patent: April 23, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Yongyoung Noh, Youngki Kim, Jisu Hong, Hyein Kim
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Publication number: 20240125902Abstract: Provided is a spatial light modulator configured to modulate light, the spatial light modulator including a first reflective layer, a resonance layer on the first reflective layer, and a second reflective layer on the resonance layer, the second reflective layer including a plurality of grating structures space apart from each other, wherein the plurality of grating structures include silicon (Si) having an extinction coefficient k that is less than or equal to 1e-5 with respect to light in the predetermined wavelength band.Type: ApplicationFiled: July 7, 2023Publication date: April 18, 2024Applicants: SAMSUNG ELECTRONICS CO., LTD., POSTECH Research and Business Development FoundationInventors: Sunil KIM, Junsuk RHO, Younghwan YANG, Junghyun PARK
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Patent number: 11958761Abstract: Provided is a hydrogen isotope adsorbent with differential binding properties and including mesoporous silica doped with fluorine.Type: GrantFiled: December 27, 2022Date of Patent: April 16, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Hyo Joo Kim, Woo Yong Um
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Patent number: 11962321Abstract: There is provided an analog-stochastic converter for converting an analog voltage signal into a pulse signal having a corresponding probability. The analog-stochastic converter is implemented using a threshold switching element and a simple logic circuit, thereby reducing a size of the analog-stochastic converter and enabling a low power operation thereof. In addition, in order to update a weight, instead of an analog signal, a probability signal is applied using the above-described analog-stochastic converter, thereby updating a weight in a fully-parallel manner in a synaptic element array having an intersection structure. Accordingly, it is possible to shorten a time for weight update.Type: GrantFiled: November 22, 2021Date of Patent: April 16, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Hyun Sang Hwang, Myoung Hoon Kwak
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Patent number: 11962436Abstract: Disclosed are a user detection technique, and a method and apparatus for channel estimation in a wireless communication system supporting massive multiple-input multiple-output.Type: GrantFiled: May 14, 2021Date of Patent: April 16, 2024Assignees: Samsung Electronics Co., Ltd., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Namyoon Lee, Hyowon Lee
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Publication number: 20240117442Abstract: 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: ApplicationFiled: October 19, 2023Publication date: April 11, 2024Applicant: Postech Research and Business Development Foundation (POSTECH)Inventors: Joon Won Park, Sourav Mishra, Changill Ban
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Publication number: 20240118455Abstract: 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: ApplicationFiled: September 21, 2023Publication date: April 11, 2024Applicant: POSTECH Research and Business Development FoundationInventors: Junsuk RHO, Gyeongtae KIM, Yeseul KIM, Jooyeong YUN, Inki KIM
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Patent number: 11955704Abstract: 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: GrantFiled: October 4, 2021Date of Patent: April 9, 2024Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Yoon Ho Huh, Jong Min Kim, Han Sub Ryu, Won Bin Hong
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Patent number: 11955731Abstract: 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: GrantFiled: June 30, 2021Date of Patent: April 9, 2024Assignees: Samsung Electronics Co., Ltd, Postech Research and Business Development FoundationInventors: Yeonwoo Kim, Wonbin Hong, Junho Park, Jaehyun Choi, Sehyun Park, Sumin Yun
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Publication number: 20240111921Abstract: 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: ApplicationFiled: August 28, 2023Publication date: April 4, 2024Applicants: SAMSUNG ELECTRONICS CO., LTD., POSTECH Research and Business Development FoundationInventors: Jungsoo KIM, Joonhee KIM, Jinho KIM, Myeongjae LEE, Huiyong CHUN, Soohee HAN
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Patent number: 11945916Abstract: 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: GrantFiled: December 4, 2020Date of Patent: April 2, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Sang Joon Lee, Jae Hyeon Lee
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Publication number: 20240096517Abstract: 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: ApplicationFiled: October 13, 2021Publication date: March 21, 2024Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Un Yong JEONG, Min Sik KONG, Hye Jin HWANG
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Publication number: 20240099136Abstract: 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: ApplicationFiled: September 19, 2023Publication date: March 21, 2024Applicant: POSTECH Research and Business Development FoundationInventors: Byoung Hun LEE, Hyeon Jun HWANG
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Patent number: 11925922Abstract: 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: GrantFiled: March 7, 2022Date of Patent: March 12, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Yong-Tae Kim, Jaeik Kwak, Hyoung Seop Kim, Sujung Son, Sang-Mun Jung
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Patent number: 11928578Abstract: 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: GrantFiled: December 1, 2020Date of Patent: March 12, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Sungju Ryu, Jae-Joon Kim, Youngtaek Oh
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Patent number: 11925726Abstract: 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: GrantFiled: December 18, 2020Date of Patent: March 12, 2024Assignees: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY—ACADEMIC COOPERATION FOUNDATIONInventors: Dong-Woo Cho, Wonil Han, Narendra K. Singh, Yong Kyun Kim, Sun Ah Nam