Patents Assigned to Postech
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Publication number: 20230380254Abstract: A method for manufacturing a display device includes providing a donor substrate including a first base substrate and an organic material layer disposed on the first base substrate, etching the organic material layer to form an etched organic material layer using a laser device, providing a display substrate including a second base substrate and a plurality of first electrodes disposed on the second base substrate, aligning the donor substrate and the display substrate such that the etched organic material layer faces the plurality of first electrodes, and transferring the etched organic material layer to the display substrate using an energy generation device.Type: ApplicationFiled: March 28, 2023Publication date: November 23, 2023Applicants: Samsung Display Co., Ltd., Postech Research and Business Development FoundationInventors: Sungsoon IM, Jong Kyu KIM, Hyeon Woong HWANG, Jeong Hyeon PARK, Heemin PARK, Seungyong SONG, Duckjung LEE
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Publication number: 20230370309Abstract: A feed forward equalizer includes a plurality of delay circuits connected to each other in series and configured to delay input signals. A plurality of filters respectively correspond to outputs of the plurality of delay circuits, except for a reference output which is an output of a first delay circuit among the plurality of delay circuits, and the input signals. A calculator configured to sum the reference output and outputs of the plurality of filters. Each of the plurality of filters is configured to receive an output of a delay circuit corresponding thereto, among the plurality of filters, and the reference output.Type: ApplicationFiled: May 8, 2023Publication date: November 16, 2023Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: CHANGJAE MOON, BYUNGSUB KIM
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Patent number: 11814556Abstract: A coacervate including a catechol-substituted anionic polymer; an adhesive including same; and a method for producing the coacervate are described. More specifically, a coacervate formed by mixing a catechol derivative of a mussel adhesive protein and a catechol-substituted anionic polymer; an adhesive including the coacervate; and a method for producing a coacervate are described. The method includes a step of obtaining a catechol-substituted anionic polymer through catechol substitution of an anionic polymer, and a step of mixing the catechol-substituted anionic polymer and a catechol derivative of a mussel adhesive protein.Type: GrantFiled: July 10, 2018Date of Patent: November 14, 2023Assignees: POSCO CO., LTD, POSTECH ACADEMY-INDUSTRY FOUNDATION, NATURE GLUETECH CO., LTD.Inventors: Hyung Joon Cha, Hyo Jeong Kim, Bong-Hyuk Choi
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Patent number: 11815909Abstract: A method of controlling driving of a first automated guided vehicle and a second automated guided vehicle includes: determining a first task exchange condition based on a current position of the second automated guided vehicle, a current position of the first automated guided vehicle, a first task position, and a second task position; determining a second task exchange condition based on a first estimation time taken for the first automated guided vehicle to complete a first task and a second estimation time taken for the second automated guided vehicle to move to the first task position; and when the first task exchange condition and the second task exchange condition are satisfied, exchanging the first task with the second task.Type: GrantFiled: September 1, 2021Date of Patent: November 14, 2023Assignees: Samsung Display Co., Ltd., Postech Research and Business Development FoundationInventors: Yonggu Kim, Byung-In Kim, Minsu Kwon, Inhye Bang
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Patent number: 11817858Abstract: A static ternary gate is disclosed. The static ternary gate includes a drain-ground path configured to output a drain voltage through a first transistor when a first pull-up circuit is turned on, and output a ground voltage through a second transistor when a first pull-down circuit is turned on, a half-drain path configured to output a half-drain voltage through the first transistor and the second transistor when both a second pull-up circuit and a second pull-down circuit are turned on. The first transistor is configured to connect a node between the first pull-up circuit and the second pull-down circuit to an output terminal, and the second transistor is configured to connect a node between the second pull-up circuit and the first pull-down circuit to the output terminal.Type: GrantFiled: February 12, 2021Date of Patent: November 14, 2023Assignee: POSTECH Research and Business Development FoundationInventors: Seokhyeong Kang, Sunghye Park, SungYun Lee, Sunmean Kim
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Patent number: 11817746Abstract: The present invention relates to a rotor of motor, and more particularly, to a 2-segment quasi-Halbach rotor of motor that includes a radial magnet and a circumferential magnet which are Halbach-arrayed and a back iron providing a flux to reduce a thickness of the magnet and acquire high air-gap flux density.Type: GrantFiled: November 22, 2021Date of Patent: November 14, 2023Assignees: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, KNR SYSTEM, INC., EPT CO., INC.Inventors: Kwang Hee Nam, Jae Hak Kim, Sang Moo Lee, Myoung Han Kim, Bon Kil Koo
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Publication number: 20230359080Abstract: Provided is a color filter. The color filter includes a nano structure layer including a base substrate and a plurality of nano structures which are disposed to be spaced apart from each other on the base substrate and each of which has an elliptical shape on a plane, and a polarization control layer disposed on the nano structure layer and including liquid crystal molecules of which an alignment direction on a plane parallel to the base substrate is controlled by an electric field to realize excellent color reproducibility.Type: ApplicationFiled: April 21, 2023Publication date: November 9, 2023Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Junsuk RHO, Young-Ki Kim, Joohoon Kim, Won-Sik Kim, Trevon Badloe
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Publication number: 20230362498Abstract: An electronic system may include: a camera to capture a current image; an image processor to generate current image data items; and a splitter circuit to generate first and second images having respective first and second image data items. The splitter circuit splits each current image data item into a first image data item with a first set of bits and a second image data item with a second set of bits distinct from the first set of bits. The first and second image data items correspond to two distinct precisions less than a precision of the current image data items. The electronic system may also include distinct binary neural network circuits to independently process the first and second images to generate first and second processed image data items; and a merger circuit to combine the processed image data items to recover output image data items for display.Type: ApplicationFiled: July 17, 2023Publication date: November 9, 2023Applicant: Postech Research and Business Development FoundationInventors: Hyungjun KIM, Yulhwa KIM, Sungju RYU, Jae-Joon KIM
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Publication number: 20230349050Abstract: A method of fabricating sample wafers includes forming silver particles on a surface of a wafer, forming nanowires on the wafer, removing the silver particles, and terminating dangling bond sites from surfaces of the nanowires with deuterium.Type: ApplicationFiled: April 17, 2023Publication date: November 2, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., Postech Research And Business Development FoundationInventors: Hyungsuk MOON, Seungkoo SHIN, Minjung KIM, Sanghwang PARK
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Publication number: 20230349977Abstract: A method of estimating a state of health of a battery is performed by at least one computing device, and includes preparing a pre-trained artificial neural network, generating input data by measuring at least one parameter of the battery, inputting the input data into the pre-trained artificial neural network to obtain a health state estimation value of the battery and an attention map, calculating an attention score based on the attention map, and determining whether to trust the health state estimation value based on the attention score.Type: ApplicationFiled: April 27, 2023Publication date: November 2, 2023Applicant: POSTECH Research and Business Development FoundationInventors: Jangwoo LEE, Soohee HAN, Huiyong CHUN, Kwanwoong YOON
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Publication number: 20230342621Abstract: A method and apparatus for performing anomaly detection by using a neural network are provided. The apparatus is configured to extract input features of an input data signal, obtain output features of the neural network by processing the input features through the neural network, obtain an error based on the input features and the output features, and determine whether the input data signal indicates an abnormal signal based on the error and a threshold.Type: ApplicationFiled: June 27, 2023Publication date: October 26, 2023Applicants: Samsung Electronics Co., Ltd., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Hyunsoo KIM, Jaeyoon SIM, Jaehan PARK, Hyunwoo SON, Sangjoon KIM
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Patent number: 11795304Abstract: 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: GrantFiled: November 1, 2018Date of Patent: October 24, 2023Assignee: NB PostechInventors: Joon Won Park, Sung Min Seo
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Patent number: 11795973Abstract: A deep learning-based cooling system temperature prediction apparatus has an artificial neural network modeled by connecting a plurality of artificial neural network submodels each including an input layer, a hidden layer, and an output layer is used. A pump flow speed, a cooling water flow rate, a battery inlet cooling water temperature, a motor inlet cooling water temperature, a radiator outlet cooling water temperature, a battery temperature, and a motor temperature are predicted by inputting at least one of a predetermined control variable, an environment variable, or a time variable to the plurality of artificial neural network submodels in accordance with a physical causality. A number of the plurality of artificial neural network submodels and the control variables or environment variables that are sequentially input to each submodel depend on divisional control and integral control of the cooling system.Type: GrantFiled: March 20, 2020Date of Patent: October 24, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Jae Woong Kim, Sang Shin Lee, So La Chung, Man Ju Oh, Young Jin Kim, Jong Hyun Park
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Patent number: 11791539Abstract: An antenna structure according to an embodiment of the present invention includes a film antenna including a dielectric layer, an upper electrode layer disposed on an upper surface of the dielectric layer and including a radiation pattern, a transmission line, and a ground pad, and a lower ground layer disposed on a lower surface of the dielectric layer, and a flexible circuit board including a core layer, a power supply wiring layer disposed on a lower surface of the core layer and electrically connected to the transmission line, and a ground plate disposed on an upper surface of the core layer and disposed in overlapping with the power supply wiring layer in a planar direction. Thereby, it is possible to reduce a radiation signal generated from the power supply wiring through the ground plate, suppress a noise of the antenna and increase radiation efficiency.Type: GrantFiled: January 4, 2021Date of Patent: October 17, 2023Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Jong Min Kim, Han Sub Ryu, Dong Pil Park, Won Bin Hong
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Publication number: 20230320957Abstract: Disclosed is a composition for anti-aging or skin regeneration comprising Isoprocurcumenol, and use of Isoprocurcumenol or a salt thereof and, more particularly, to a composition for anti-aging or skin regeneration comprising Isoprocurcumenol represented by the following formula (1) or a salt thereof, and use of Isoprocurcumenol or a salt thereof.Type: ApplicationFiled: August 27, 2021Publication date: October 12, 2023Applicants: POSCO CO., LTD, POSTECH Research and Business Development Foundation, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Kyong-Tai KIM, Kwang-Ho KWON, Sung-Wook KIM, Sung-Woo JEONG
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Publication number: 20230326740Abstract: A substrate processing method includes; forming a silicon film on a substrate, irradiating the silicon film with microwaves, and soaking the silicon film in liquid heavy water.Type: ApplicationFiled: November 25, 2022Publication date: October 12, 2023Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: MINJUNG KIM, HYUNGSUK MOON, SEUNGKOO SHIN, SANGHWANG PARK, HYEJOO YOON
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Publication number: 20230321003Abstract: Disclosed is a composition for anti-aging or skin regeneration comprising Okanin, and use of Okanin or a salt thereof and, more particularly, to a composition for anti-aging or skin regeneration comprising Okanin represented by the following formula (1) or a salt thereof, and use of Okanin or a salt thereof.Type: ApplicationFiled: August 27, 2021Publication date: October 12, 2023Applicants: POSCO CO., LTD, POSTECH Research and Business Development Foundation, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Kyong-Tai KIM, Kwang-Ho KWON, Sung-Wook KIM, Sung-Woo JEONG
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Patent number: 11785370Abstract: Proposed is a vibration sensor including: a substrate; a first electrode positioned on the substrate; a support positioned on the first electrode and including a cylindrical hollow hole; and a diaphragm including a thin film positioned on the support and a second electrode positioned on the thin film. According to the present disclosure, it is possible to manufacture a skin-attachable vibration sensor that is attached to a user's neck to detect vibration acceleration in user's neck skin, thus exhibiting a uniform and high sensitivity to a user's voice over the frequency range of the human voice. In addition, the sensor sensitively detects a user's voice through neck skin vibrations rather than through air, thus being free from the influence of external noise or wind, and can recognize the user's voice even in a situation where a user's mouth is covered.Type: GrantFiled: March 8, 2019Date of Patent: October 10, 2023Assignees: CENTER FOR ADVANCED SOFT ELECTRONICS, POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Kilwon Cho, Siyoung Lee, Yoonyoung Chung
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Patent number: 11782544Abstract: An image display device according to an embodiment of the present disclosure includes a display panel, a touch sensor structure and an antenna electrode layer. The display panel includes a panel substrate, and an electrode structure and an insulation structure stacked on the panel substrate. The touch sensor structure is disposed on the display panel. The antenna electrode layer is disposed on the display panel at the same level as that of the touch sensor structure and at least partially overlaps the electrode structure of the display panel in a thickness direction. The antennal electrode layer is disposed in consideration of an electrode construction of the display panel and the touch sensor structure to provide a thin-layered image display device with high reliability.Type: GrantFiled: August 23, 2021Date of Patent: October 10, 2023Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Yoon Ho Huh, Dong Pil Park, Young Jun Lee, Won Bin Hong
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Publication number: 20230318829Abstract: The present disclosure provides a cryptographic processor device capable of performing the post-quantum cryptographic encryption with in a high speed with low power, allowing a change of encryption parameters, and handling various cryptographic protocols. The cryptographic processor device executing polynomial vector operations required for a post-quantum cryptography includes: a polynomial memory bank configured to store a plurality of polynomial vectors; and an arithmetic and logic operator configured to perform operation on the polynomial vectors.Type: ApplicationFiled: March 27, 2023Publication date: October 5, 2023Applicant: POSTECH Research and Business Development FoundationInventors: Jae Yoon SIM, Byung Jun KIM