Patents Assigned to Seoul National University
  • Patent number: 11818240
    Abstract: There is provided a clock and data recovery circuit for a high-speed PAM-4 receiver through statistical learning. A clock and data recovery device according to an embodiment includes: an input unit through which data is inputted; a clock input unit through which a clock is inputted; a sampling unit configured to sample the inputted data by using the inputted clock; a controller configured to combine results of sampling at a plurality of sampling points, to determine a state of the clock based on the combined results, and to generate a control value for controlling the clock; and an adjustment unit configured to adjust the clock applied to the sampling unit, based on the control value generated by the controller. Accordingly, a hardware structure is simplified and energy efficiency is enhanced compared to an exiting oversampling clock and data recovery circuit for a PAM-4 receiver.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: November 14, 2023
    Assignees: Korea Electronics Technology Institute, Seoul National University R&DB Foundation
    Inventors: Ha Ram Ju, Sung Ho Lee, Deog Kyoon Jeong
  • Publication number: 20230359805
    Abstract: A layout method for a semiconductor chip includes designing a layout; generating an aerial image based on the layout; determining a predicted scanning electron microscope (SEM) image based on the aerial image using a first machine learning model; determining a target SEM image based on the layout using a second machine learning model; predicting a defect in the semiconductor chip based on a result of comparing the predicted SEM image with the target SEM image; and correcting the layout based on the predicted defect.
    Type: Application
    Filed: January 31, 2023
    Publication date: November 9, 2023
    Applicants: SAMSUNG ELECTRONICS CO, LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Kihyun KIM, Donyun KIM, Nohong KWAK
  • Publication number: 20230357123
    Abstract: A photoresist composition, a method of forming a pattern, and a method of synthesizing 6-nitrochrysene, the photoresist composition includes a polymer resin; a photo acid generator; a quencher; an organic solvent; and an etching resistance enhancer, wherein the etching resistance enhancer is represented by the following Chemical Formula 1,
    Type: Application
    Filed: March 9, 2023
    Publication date: November 9, 2023
    Applicant: Seoul National University R&DB Foundation
    Inventors: Jonghoon KIM, Suk Koo HONG, Young Gyu KIM, Jooyoung SONG, Hae Min YANG, Gumhye JEON, Juhee KIM, Sunah LEE, Ahhyun LEE, Hong Won LEE
  • Publication number: 20230356199
    Abstract: Provided is a composite catalyst used in a dehydro-aromatization reaction of methane, the composite catalyst including a glasslike metal oxide catalyst which includes a supported catalyst including a porous support and a catalyst of a transition metal oxide supported on the support, and a nickel oxide (NiO) physically dispersed in the supported catalyst.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 9, 2023
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Do Heui KIM, Kihun NAM, Hae Won RYU
  • Patent number: 11810549
    Abstract: A computing device trains a position optimization model for determining, from among a plurality of positions, one or more optimal positions on a face based on a training data set including facial skin strain data at the plurality of positions. The computing device trains a speech classification model for classifying a voice from the facial skin strain data based on the training data at the one or more optimal positions determined by the position optimization model among the training data set.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: November 7, 2023
    Assignees: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sungroh Yoon, Eunji Kim, Heeseung Kim
  • Patent number: 11808954
    Abstract: Provided is a multi-image display apparatus including an image forming device configured to form a first image, a first polarization plate configured to transmit a first polarization component of the first image provided from the image forming device, a second polarization plate configured to transmit a second polarization component of a second image that is provided from a path different from the first image, the second polarization component being different from the first polarization component, a screen configured to reflect and diffuse the first image, and transmit the second image, and a polarization selective lens configured to focus the first image having the first polarization component, and transmit the second image having the second polarization component without refraction.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: November 7, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Changkun Lee, Seokil Moon, Byoungho Lee, Wontaek Seo, Geeyoung Sung, Hongseok Lee
  • Publication number: 20230352072
    Abstract: Provided are a magnetic memory using a spin current, an operating method thereof, and/or an electronic apparatus including the magnetic memory. The magnetic memory includes, first and second wirings spaced apart from each other and intersecting each other, and a data storage layer between the first and second wirings. The data storage layer includes a pinned layer with a fixed magnetic moment, a free layer spaced apart from the pinned layer and not having a fixed magnetic moment, and an insulating tunnel barrier layer provided between the pinned layer and the free layer. Among the first and second wirings, the wiring contacting the free layer includes a conductive wiring having no spin Hall effect, and the free layer includes a two-dimensional material which at room temperature has a spin Hall effect, magnetic properties, and metal properties. The two-dimensional material includes a two-dimensional van der Waals material.
    Type: Application
    Filed: October 12, 2022
    Publication date: November 2, 2023
    Applicants: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Kwangseok KIM, Je-Geun PARK, Kaixuan ZHANG, Jingyuan CUI
  • Publication number: 20230352723
    Abstract: A system and a method for estimating pressure distribution of a battery cell evaluate distribution of pressure applied to the battery cell due to applied loads during the pressure test of the battery cell. The method includes disposing the battery cell in a pressing apparatus and pressing the battery cell, measuring strains by strain sensors provided in the pressing apparatus, and estimating a pressure distribution applied to the battery cell based on the strains.
    Type: Application
    Filed: December 12, 2022
    Publication date: November 2, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Yong Seok Choi, Soon Chul Byun, Byeng Dong Youn, Won Gon Kim, Hwa Yong Jeong
  • Publication number: 20230351613
    Abstract: Provided is a video analysis terminal including a patch recommendation unit configured to recommend tracking-failure patches and new-object patches in a current frame of a video image, and a patch aggregation unit configured to generate a first patch cluster by collecting the tracking-failure patches recommended in the current frame, and generate a second patch cluster by collecting the new-object patches recommended in the current frame.
    Type: Application
    Filed: May 1, 2023
    Publication date: November 2, 2023
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Kichang YANG, Youngki LEE, Juheon YI, Kyungjin LEE
  • Patent number: 11800864
    Abstract: The present invention provides a composition for inhibiting ice recrystallization, including: A nucleic acid structure comprising a scaffold nucleic acid folded at predetermined positions to form a plurality of strands, and a plurality of staple nucleic acids, wherein at least a portion thereof has a complementary sequence to at least a portion of the scaffold nucleic acid, thereby binding to the scaffold nucleic acid to form a double strand. Therefore, it is possible to increase a survival rate of cells due to having excellent effect of inhibiting ice recrystallization upon cryopreservation of the cells, and maintain a texture of food even when using the composition in the freezing of food.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 31, 2023
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Korea University Research and Business Foundation, PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Dong June Ahn, Ye Dam Lee, Do Nyun Kim, Chan Seok Lee, Sang Wook Wu, Su Hyun Park
  • Publication number: 20230345823
    Abstract: Disclosed are an n-type semiconductor including compound represented by Chemical Formula 1 or Chemical Formula 2, an image sensor, and an electronic device. In Chemical Formula 1 and Chemical Formula 2, each substituent is as defined in the detailed description.
    Type: Application
    Filed: June 29, 2023
    Publication date: October 26, 2023
    Applicants: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Yeong Suk CHOI, Soo Young PARK, Sung Young YUN, Hyeong-Ju KIM, Seyoung JUNG, Dong Joo MIN, Ji Eon KWON
  • Patent number: 11796403
    Abstract: Provided is a highly sensitive sensor comprising a cracked transparent conductive thin film. The highly sensitive sensor relates to a sensor which is acquired by means of forming a fine crack in a transparent conductive thin film formed on a substrate and is for measuring external tension and pressure by means of measuring the change of electrical resistance due to changes, shorting or opening in a fine interconnection structure formed by the fine crack. Such highly sensitive transparent conductive crack sensor can be applied to high-precision measurement or an artificial skin, can also be utilized as a positioning detecting sensor by means of pixelating the sensor, and can be utilized in fields of precise measurements, biometric devices used on the human skin and the like, human motion measurement sensors, display panel sensors and the like.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: October 24, 2023
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Taemin Lee, Yong Whan Choi, Gunhee Lee, Man Soo Choi
  • Patent number: 11795199
    Abstract: The present invention relates to a peptide targeting a toxin-antitoxin system of Mycobacterium tuberculosis and a use thereof. Specifically, the antibiotic peptide of the present invention inhibits the formation of a toxin-antitoxin complex of Mycobacterium tuberculosis without affecting an active site of the toxin, thereby inducing the death of Mycobacterium tuberculosis by means of a separated toxin. Therefore, the antibiotic peptide can be usefully used as an antibiotic composition against Mycobacterium tuberculosis.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: October 24, 2023
    Assignee: Seoul National University R&DB Foundation
    Inventors: Bong-Jin Lee, Sung-Min Kang, Do-Hee Kim
  • Publication number: 20230331094
    Abstract: A propulsion system for a device includes an electric motor configured to generate torque to propel the device. A position sensor is adapted to determine a rotor position of the electric motor. The system includes a controller having instructions recorded for determining the rotor position when a sensor fault condition is detected. The controller is adapted to selectively command injection of a voltage signal in a direct magnetic axis in a synchronous reference frame when a motor speed of the electric motor is below a predefined motor speed threshold and the sensor fault condition is detected. The rotor position is estimated based in part on a motor current response to the voltage signal. The voltage signal is defined by an alternating periodic shape having respective constant segments in each of a plurality of control periods, the respective constant segments being discontinuous between the control periods.
    Type: Application
    Filed: April 13, 2022
    Publication date: October 19, 2023
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS LLC, Seoul National University
    Inventors: Anno Yoo, Seung-Ki Sul, Hyung-June Cho
  • Publication number: 20230333899
    Abstract: A processor-implemented accelerator method includes: reading, from a memory, an instruction to be executed in an accelerator; reading, from the memory, input data based on the instruction; and performing, on the input data and a parameter value included in the instruction, an inference task corresponding to the instruction.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Wookeun JUNG, Jaejin LEE, Seung Wook LEE
  • Publication number: 20230331794
    Abstract: The present invention relates to a peptide which can prevent and treat a neurodegenerative disease and a pharmaceutical composition comprising the peptide. The peptide of the present invention inhibits the binding of v-SNARE protein and alpha-synuclein oligomers, thus lowering neural toxicity caused by the alpha-synuclein oligomers and allowing effective use in the development of therapeutic agents for a neurodegenerative disease such as Parkinson’s disease.
    Type: Application
    Filed: September 27, 2021
    Publication date: October 19, 2023
    Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Nam Ki LEE, Gyeongji YOO
  • Publication number: 20230331057
    Abstract: The present disclosure discloses a preview vehicle height control system and a method of controlling the same. The system includes a monitoring device configured to detect the road surface condition of a driving path of a vehicle, an active suspension configured to adjust a vehicle height, a memory configured to store a plurality of data maps distinguished based on a type of bump, each data map having a vehicle dynamic characteristic as an input and a tuning factor as an output, and a controller configured to derive the tuning factor based on a data map, among the plurality of data maps of the memory, corresponding to the bump detected by the monitoring device, derive a target vehicle height in a form of a Gaussian distribution by substituting the tuning factor, and control the active suspension to follow the derived target vehicle height.
    Type: Application
    Filed: August 19, 2022
    Publication date: October 19, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Foundation for Research and Business, Seoul National University of Science and Technology
    Inventors: Youngil SOHN, Min Jun KIM, Sang Woo HWANG, Sehyun CHANG, Jun Ho SEONG, Yong Hwan JEONG, Seong Jin YIM
  • Patent number: 11786852
    Abstract: The present invention relates to a method for predicting physical properties of an amorphous porous material which may predict an acoustic physical property value and an absorption coefficient from parameters of an amorphous porous material, and may estimate the acoustic characteristics with the amorphous porous material which is an amorphous specimen even without separately producing a formalized specimen such as a cylindrical specimen or a flat specimen. Further, the method for predicting physical properties of the amorphous porous material may estimate the acoustic physical properties through the analysis of a three-dimensional pore connection structure, which is a microstructure of an amorphous specimen, even without acoustic impedance, thereby estimating the acoustic physical properties which accurately reflect the characteristics of the actual specimen.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: October 17, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Seoul National University R&DB Foundation
    Inventors: Jung Wook Lee, Seong Je Kim, Hyeong Rae Lee, Yeon June Kang, Sung Soo Yang
  • Patent number: 11793052
    Abstract: A display device includes a display panel, a sensing electrode disposed on the display panel, a transmission line disposed on the display panel and spaced apart from the sensing electrode, an insulating layer disposed on the sensing electrode and the transmission line, and a radiation electrode disposed on the insulating layer. A portion of the transmission line overlaps a portion of the radiation electrode when viewed in a plane.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: October 17, 2023
    Assignees: SAMSUNG DISPLAY CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Eunjin Sung, Jungsuek Oh, Kiseo Kim, Byeongjin Kim, Jeongtaek Oh, Sangrock Yoon
  • Patent number: 11786549
    Abstract: The present invention relates to an anti-inflammatory composition comprising a graphene nano-structure as an active ingredient. Specifically, the present invention relates to a pharmaceutical composition for preventing or treating an inflammatory disease, and a cosmetic composition or feed composition for preventing or improving an inflammatory disease, which include the anti-inflammatory composition, and a method of treating an inflammatory disease, including administering the composition to a subject in need thereof.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: October 17, 2023
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, BIOGRAPHENE INC.
    Inventors: Kyung-Sun Kang, Byung-Chul Lee, Jin Young Lee, Jong Bo Park