Patents Assigned to Korea Advanced Institute of Science and Technology
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Publication number: 20240153416Abstract: A viewing angle expansion plate, which is a multi-pinhole mask, includes a plurality of cell areas; and a plurality of pinholes formed in the plurality of cell areas, wherein each cell area from among the plurality of cell areas corresponds to a respective pixel from among a plurality of pixels in a flat panel display. The flat panel display includes a light source configured to emit parallel light; a flat panel, on which the parallel light is incident, configured to provide a three-dimensional image; and the viewing angle expansion plate.Type: ApplicationFiled: January 12, 2024Publication date: May 9, 2024Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Wontaek Seo, Yongkeun Park, Hoon Song, Jungkwuen An, Jongchan Park
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Publication number: 20240153244Abstract: There is provided a low-resolution imaging apparatus configured to form and transmit a low-resolution image of an object. The low-resolution imaging apparatus includes: a low-resolution camera configured to form the low-resolution image of the object; a microcontroller including an analog-to-digital convertor (ADC) that converts the low-resolution image into a digital image; an energy harvesting module configured to provide power to the low-resolution camera and the microcontroller; and a radio frequency identification (RFID) unit configured to transmit the digital-converted low-resolution image.Type: ApplicationFiled: December 23, 2022Publication date: May 9, 2024Applicant: Korea Advanced Institute of Science and TechnologyInventors: Song Min KIM, Seung Woo SHIM, Hyeon Ho SHIN
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Publication number: 20240153591Abstract: This method of predicting the T cell activation of peptide-MHC comprises the steps in which an analysis apparatus: receives genetic data of a patient; identifies, on the basis of the genetic data, a first amino acid sequence of a major histocompatibility complex (MHC) and a second amino acid sequence of antigen generated by tumor cells; produces a matrix indicating the interrelationship between the first amino acid sequence and the second amino acid sequence in a single amino acid unit; and inputs the matrix to a trained neural network model to determine whether the T cells secrete at least a threshold amount of cytokine as a result of the binding of the MHC and the antigen.Type: ApplicationFiled: December 16, 2021Publication date: May 9, 2024Applicants: PENTAMEDIX CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jung Kyoon CHOI, Jeong Yeon KIM, Dae Yeon CHO
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Publication number: 20240153133Abstract: The present invention relates to a hand position estimation method and system for estimating a 3-dimensional hand position for quick hand movement, on the basis of domain transfer learning from a depth image to an infrared image, the hand position estimation method comprising the steps of: processing a depth image and an infrared image for hand movement; synthesizing a depth map with the infrared image by using a hand image generator (HIG), and estimating skeletal positions of hand joints from each of the depth map and an infrared map; and calculating a 3-dimensional hand position by using the skeletal positions and the center of a hand depth image.Type: ApplicationFiled: January 25, 2021Publication date: May 9, 2024Applicant: Korea Advanced Institute of Science and TechnologyInventors: Woontack Woo, Gabyong Park, Tae Kyun Kim
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Publication number: 20240152058Abstract: An immersion lithographic system may include a wafer stage configured to support a wafer, a projection optical system on the wafer stage and configured to irradiate light toward the wafer, a liquid supply unit configured to supply a liquid between the wafer stage and the projection optical system to form an immersion lens through which the light is transmitted, and a vapor supply unit configured to supply vapors to the immersion lens. The immersion lens and the vapor supply unit may be aligned in a vertical direction.Type: ApplicationFiled: June 20, 2023Publication date: May 9, 2024Applicants: Samsung Electronics Co., Ltd., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Wonki LEE, Hyoungsoo KIM, Junill RYU, Namil KOO, Jongmin YOON, Suhwan PARK, Sangyeon OH, Gilgu LEE
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Publication number: 20240154686Abstract: Disclosed is a coverage extension method and apparatus in a terahertz (THz) region using cooperative communication. A coverage extension method in a THz region using cooperative communication performed by a computer device includes setting, by an access point (AP) in a downlink system that supports a plurality of user equipments (UEs), a UE that requires assistance due to a blocked line-of-sight (LoS) link as a destination UE and setting a remaining UE as a medium UE among the plurality of UEs; transmitting, by the AP, data to the medium UE; and cooperatively transmitting, by the medium UE, data to the destination UE.Type: ApplicationFiled: August 22, 2023Publication date: May 9, 2024Applicant: Korea Advanced Institute of Science and TechnologyInventors: Junil CHOI, Hyesang CHO, Beomsoo KO
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Publication number: 20240148267Abstract: Disclosed is an unsupervised deep learning method, which simultaneously performs registration between diffusion weighted magnetic resonance images and quantification of diffusion parameters. The unsupervised deep learning method decreases a registration error caused by a contrast difference by comparing a similarity between images of the same contrast, increases the performance of registration, and increases the accuracy of quantifying magnetic resonance diffusion parameters.Type: ApplicationFiled: January 31, 2023Publication date: May 9, 2024Applicant: Korea Advanced Institute of Science and TechnologyInventors: Hyunwook PARK, Wonil LEE, Jongyeon LEE, Giyong CHOI
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Patent number: 11975295Abstract: Disclosed are a membrane structure including a carbon nanomaterial and NASICON-series ceramic particles, wherein an aqueous solution can pass through an electrode and a method of fabricating the same. There is disclosed a membrane structure of a flat membrane or hollow fiber membrane form, wherein the carbon nanomaterials are intertwisted to form a three-dimensional mesh-shaped structure and the NASICON-series ceramic particles material is combined with the three-dimensional mesh-shaped structure as a complex.Type: GrantFiled: July 20, 2020Date of Patent: May 7, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Seoktae Kang, Joosung Park, Mi-Young Lee
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Patent number: 11979488Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.Type: GrantFiled: October 29, 2021Date of Patent: May 7, 2024Assignees: Samsung SDS Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Joo Hee Lee, Duk Jae Moon, Hyo Jin Yoon, Ji Hoon Cho, Seong Kwang Kim, Joo Young Lee, Jin Cheol Ha
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Publication number: 20240143950Abstract: A processing element includes an analog operation circuit configured to receive input data from an input buffer and to generate one or more output currents associated with a multiplication operation of the input data and weights based on a bit-precision of stored weights, one or more analog-to-digital converters (ADCs) each configured to convert the one or more output currents into one or more digital codes, and a digital operation circuit configured to perform an addition operation using the one or more digital codes based on the bit-precision of the weight and to perform a summation operation on a resultant value of the addition operation based on a bit-precision of the input data.Type: ApplicationFiled: September 22, 2023Publication date: May 2, 2024Applicants: Samsung Electronics Co., Ltd., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Donghyeon YI, Minkyu JE
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Publication number: 20240142596Abstract: Provided are a tag, interrogator, and system for performing position measurement based on backscatter in a millimeter-wave band. In detail, provided is a tag including a planar Van Atta array antenna, a frequency-shift keying (FSK) modulator connected to the planar Van Atta array antenna, and at least one bias circuit connected to the FSK modulator, wherein the FSK modulator is configured to, based on an interrogation signal being received by the planar Van Atta array antenna, modulate the interrogation signal based on a control signal supplied through the at least one bias circuit, and output the modulated interrogation signal in a direction from which the interrogation signal is received, through the planar Van Atta array antenna.Type: ApplicationFiled: November 3, 2023Publication date: May 2, 2024Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kang Min BAE, Hankyeol MOON, Song Min KIM
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Publication number: 20240141513Abstract: A porous transport layer is disclosed. The porous transport layer includes a base layer containing a titanium family element, a first coating layer disposed on one surface of the base layer and containing iridium (Ir), and a second coating layer disposed on the other surface of the base layer, and containing at least one of platinum (Pt), gold (Au), and silver (Ag), and a method for preparing the same.Type: ApplicationFiled: February 22, 2023Publication date: May 2, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Young June Park, Woo Chul Jung, Seong Woo Nam, Sang Woo Kim
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Publication number: 20240147875Abstract: Provided is a phase change RAM. The phase change RAM includes an electrode, a first layer located on the electrode, and a second layer located on the first layer. The first layer includes a locally formed phase change material region. In addition, a method of manufacturing a phase change RAM is provided. The method includes forming an electrode, forming a first layer on the electrode, forming a second layer on the first layer, and forming a phase change material region locally in the first layer due to a voltage applied to the second layer.Type: ApplicationFiled: October 18, 2023Publication date: May 2, 2024Applicant: Korea Advanced Institute of Science and TechnologyInventors: Shinhyun CHOI, See-On PARK, Seok Man HONG
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Publication number: 20240146322Abstract: A digital noise coupling circuit includes: an analog-to-digital converter (ADC) configured to convert a quantization error, generated in a process of converting a first analog signal into a first digital signal, into a first digital error signal; a delay cell comprising delay elements configured to delay a transmission of the first digital error signal based on a clock signal; and a digital-to-analog (DA) conversion circuit configured to perform, in an analog domain, noise shaping on the first digital error signal that is delayed and transmitted from the delay cell.Type: ApplicationFiled: August 7, 2023Publication date: May 2, 2024Applicants: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Seong Joong KIM, Seung Tak RYU, Kent Edrian LOZADA
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Patent number: 11972510Abstract: An embodiment of the present disclosure provides a method of generating a tomography image and an X-ray imaging apparatus operating according to the method, whereby when a material with a high X-ray attenuation rate is inserted into an object, an image quality may be improved by reducing ripple artifacts and/or undershoot artifacts that may occur in a tomography image that is a captured X-ray image of the object.Type: GrantFiled: June 10, 2019Date of Patent: April 30, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jongha Lee, Hyeongseok Kim, Seungryong Cho, Namuk Kim, Jonghwan Min
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Patent number: 11973229Abstract: The present disclosure relates to an anode for a lithium-metal battery, a manufacturing method of the same, and a lithium-metal battery including the anode. The anode for a lithium-metal battery includes a complex hierarchical structure current collector which includes an inverted pyramid-shaped micro hole pattern and nanostructures provided within the inverted pyramid-shaped micro hole pattern; and a lithium metal which is electrodeposited on the nanostructure of the current collector. As a result, it is possible to increase the life stability of the battery and increase the coulombic efficiency.Type: GrantFiled: June 23, 2021Date of Patent: April 30, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jae Young Seok, Sanha Kim, Inyeong Yang, Ji-Hun Jeong, Seung Seob Lee
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Patent number: 11973695Abstract: An information processing apparatus comprises a controller. The controller is configured to execute: acquiring a plurality of datasets, each of the datasets being configured with a combination of training data and a correct answer label; and implementing machine learning of an estimation model using the acquired plurality of datasets, wherein the training data includes workload information about an application constructed based on a microservice architecture and resource use information about resources used for each of components included in the application, in a learning target environment, the correct answer label is configured to show a true value of quality of service of the application, and the machine learning comprises training the estimation model such that, for each of the datasets, an estimated value of the quality of service calculated with the estimation model based on the training data corresponds to the true value shown by the correct answer label.Type: GrantFiled: November 18, 2022Date of Patent: April 30, 2024Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, Korea Advanced Institute of Science and TechnologyInventors: Chunghan Lee, Jinwoo Park, Byoungkwon Choi, Dongsu Han
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Patent number: 11973583Abstract: A communication method of a heterogeneous distributed wireless network system includes calculating a first transmission threshold in the heterogeneous distributed wireless network system including a plurality of distributed networks that share a same frequency band, determining whether data is transmitted by transmitter/receiver pairs included in the heterogeneous distributed wireless network system, based on the first transmission threshold, calculating a second transmission threshold locally for each of the distributed networks, based on whether data is transmitted by at least one transmitter belonging to the transmitter/receiver pairs, selectively determining whether data is transmitted for each of the distributed networks based on the second transmission threshold, and transmitting the data.Type: GrantFiled: November 11, 2021Date of Patent: April 30, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Joonhyuk Kang, Jinu Gong, Wanjik Kim, Dongwon Kim
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Patent number: 11974069Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving an image; a first convolution operator for generating a feature map by performing a convolution operation on the basis of the image; and a compressor for compressing the feature map into units of at least one line; and a decompressor for reconstructing the feature map compressed into units of lines.Type: GrantFiled: December 12, 2018Date of Patent: April 30, 2024Assignee: Korea Advanced Institute of Science and TechnologyInventors: Mun Churl Kim, Yong Woo Kim, Jae Seok Choi
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Patent number: 11971532Abstract: A microlens array-based ultrathin microscope is provided. The microlens array-based ultrathin microscope includes a filter unit configured to selectively transmit fluorescence manifested in a measurement sample, and an image unit configured to acquire an image from light transmitted by the filter unit. The filter unit is formed to be in contact with or spaced apart from one surface of a transparent substrate, and the image unit includes a microlens array formed on an opposite surface to the transparent substrate in which the filter unit is formed, and an image sensor configured to collect image information of the microlens array.Type: GrantFiled: August 25, 2021Date of Patent: April 30, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Ki-Hun Jeong, Kyung-Won Jang, Byounghoon Kang, Younggil Cha