Patents Assigned to Sungkyunkwan University
  • DATA COLLECTING SYSTEM, DATA COLLECTING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM STORING INSTRUCTIONS TO PERFORM DATA COLLECTING METHOD
    Publication number: 20230171692
    Abstract: There is provided a data collection system. The data collection system comprises a wake-up radio (WuR) terminal that operates in sleep mode when a wake-up signal is not received and transmits data in active mode when the wake-up signal is received; an Access Point (AP) terminal that stores information on a total number of WuR terminals in a network and sensing data collected by the WuR terminal, sets a slot through which the data is to be transmitted by the WuR terminal, and receives the data from the WuR terminal in the set slot; and a reconfigurable intelligent surface (RIS) that controls passive elements in groups, modulates the groups into different signals at the same time, and transmits the signals to a plurality of WuR terminals in a beamforming manner.
    Type: Application
    Filed: November 10, 2022
    Publication date: June 1, 2023
    Applicant: Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Tae-Jin LEE, Jung-Min YOON, Kyoung Min KIM
  • Preparing method of polishing composition
    Patent number: 11661530
    Abstract: A method of preparing a polishing composition includes forming a dispersion solution containing ceria particles, and irradiating ultraviolet (UV) light onto the dispersion solution.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: May 30, 2023
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Taesung Kim, Eungchul Kim
  • DC generation energy harvesting system and manufacturing method thereof
    Patent number: 11665917
    Abstract: An energy harvesting system for generating electrical energy, includes a first substrate, a perovskite layer formed on the first substrate, a charge transport layer disposed on the perovskite layer, and the charge transport layer being configured to slide over the perovskite layer, and a second substrate formed on the charge transport layer.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: May 30, 2023
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Nam-Gyu Park, Ma Chunqing, Yeon Woo Choi
  • HYBRID STRUCTURE, MANUFACTURING METHOD FOR THE SAME, AND FOG CAPTURE INCLUDING THE SAME
    Publication number: 20230158448
    Abstract: The present application relates to a hybrid structure including a substrate, a fluid thin film formed on the substrate, first structures formed on the fluid thin film by primary electrohydrodynamic instability, and second structures formed between the first structures and formed by secondary electrohydrodynamic instability, wherein the first structures have hydrophobicity, and the second structures have hydrophilicity.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 25, 2023
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Dae-Joon Kang, Hyunje Park
  • Method for diagnosing Parkinson's disease using nasal mucus, composition therefore, and kit comprising the same
    Patent number: 11655507
    Abstract: The present disclosure relates to a method for diagnosing Parkinson's disease in which the method includes measuring the expression level of Parkinson's disease-related genes from a subject's nasal mucus sample, a composition for diagnosing Parkinson's disease, and a kit including the same.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: May 23, 2023
    Assignees: Research & Business Foundation Sungkyunkwan University, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Yunjong Lee, Hyojung Kim, Seok-Hyun Cho, Seok-Jae Kang, Hee-Tae Kim
  • POWER RF SWITCH
    Publication number: 20230155613
    Abstract: A power radio frequency (RF) switch used in wireless communication is disclosed. A boosted switching control signal, which swings between a boosted supply voltage in which a system supply voltage is boosted and a negative supply voltage in which a polarity of the system supply voltage is inverted, is applied to a gate of a high-voltage transistor. Further, a substrate control signal which is synchronized with the boosted switching control signal, and swings between the negative supply voltage and a reference voltage may be applied to a substrate of the high-voltage transistor thereof.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 18, 2023
    Applicants: SKAIChips Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Kang Yoon LEE, Behnam SAMADPOOR RIKAN, Young Gun PU, Jong Wan JO
  • DISPLAY APPARATUS AND CONTROL METHOD THEREFOR
    Publication number: 20230154394
    Abstract: A display device includes: a display panel including a pixel array, in which pixels that include a plurality of inorganic light-emitting devices of different colors are arranged in a matrix form, and a pixel circuit that is provided for each of the plurality of inorganic light-emitting devices, and the pixel circuit controls, on the basis of an applied image data voltage, the driving time and the magnitude of driving current provided to the inorganic light-emitting devices; a sensor which senses, on the basis of a voltage applied to the pixel circuit, a current flowing through a driving transistor included in the pixel circuit and which outputs sensing data corresponding to the sensed current; and a corrector which corrects, on the basis of the sensed data, the image data voltage applied to the pixel circuit.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 18, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho KIM, Yong-Sang KIM, Hoseop LEE, Donggun OH, Jongsu OH
  • LOW NOISE AMPLIFIER
    Publication number: 20230155557
    Abstract: Disclosed is a technology related to a low noise amplifier applied between an RF receiver and an RF switch. A phase difference matching circuit having the same phase difference as a positive gain amplifier is added to an output terminal of an attenuator of a low noise amplifier having a variable gain switching structure. In addition, a variable impedance circuit connected to an output terminal of the positive gain amplifier and an output terminal of a phase difference matching unit to finely adjust the phase difference of each output terminal may be further included.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 18, 2023
    Applicants: SKAIChips Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Kang Yoon LEE, Behnam SAMADPOOR RIKAN, Young Gun PU, Jong Wan JO
  • NETWORK MONITORING SYSTEM
    Publication number: 20230155960
    Abstract: The present disclosure provides a network monitoring system including a plurality of sensor devices which transmits data packets and a monitoring server which performs the transferable reinforcement learning on the data packets to establish a bandwidth allocation policy in which a quality of experience (QoE) satisfies a set reference QoE to allocate the bandwidth to the plurality of sensor devices.
    Type: Application
    Filed: November 14, 2022
    Publication date: May 18, 2023
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Young Seok LEE, Woo Kyung KIM, Sung Hyun CHOI, Ik Jun YEOM, Hong Uk WOO
  • Method and apparatus for compressing addresses
    Patent number: 11650918
    Abstract: A method of compressing an address includes receiving an input of a full address including a first part and a second part; checking a segment base address based on the first part in a previously stored reverse map cache (RMC); obtaining a block offset based on the segment base address and the second part; and outputting a compressed address by compressing the first part and the second part, respectively, based on the segment base address and the block offset.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: May 16, 2023
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Dong Kun Shin, Gyeong Hwan Hong
  • Apparatus and method with imaging reconstruction
    Patent number: 11653099
    Abstract: A processor-implemented method with image reconstruction includes: acquiring information indicating an amount of ambient light in accordance with a shutter exposure time of a camera; generating an ambient light pattern based on the information about the amount of ambient light; generating a compensation pattern which compensates for a invertibility of an external illumination pattern based on the ambient light pattern; controlling an operation of an external illumination based on the compensation pattern to acquire a photographed image by a camera; and reconstructing a latent image of the photographed image in the acquired photographed image based on the compensation pattern.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: May 16, 2023
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Byeung Woo Jeon, Jae Lin Lee, Gyo Heak Oh
  • STACK VISUALIZATION METHOD, APPARATUS, AND COMPUTER-READABLE RECORDING MEDIUM STORING INSTRUCTIONS TO PERFORM STACK VISUALIZATION METHOD
    Publication number: 20230145246
    Abstract: There is a stack visualization method using a stack visualization apparatus including a deposition head. The method comprises collecting a moving speed of the deposition head; collecting laser power information of the deposition head by which a laser is irradiated to a stack; selecting a virtual stack corresponding to the moving speed of the deposition head and the laser power information among a plurality of previously stored virtual stacks based on the moving speed of the deposition head and the laser power information; and visualizing the selected virtual stack through a digital twin model.
    Type: Application
    Filed: November 8, 2022
    Publication date: May 11, 2023
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Sang Won LEE, Hyewon SHIN, Young Woon CHOI, Su Jong KIM, Jiho LEE
  • Copper nanoparticle and preparation method therefor
    Patent number: 11643568
    Abstract: The present invention relates to a low-temperature sinterable copper particle material prepared using an electride and an organic copper compound and a preparation method therefor and, more particularly, to a copper nanoparticle which can be useful as a conductive copper ink material thanks to its small size and high dispersibility, and a method for preparing the copper nanoparticle by reducing an organic copper compound with an electride as a reducing agent. The present invention provides copper nanoparticles which can be suitably used as a conductive copper nanoink material because the copper nanoparticles show the restrained oxidation of the copper, have an average particle diameter of around 5 nm to cause the depression of melting point, are of high dispersibility, and allow the removal of the electride in a simple ultrasonication process.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: May 9, 2023
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Sung-wng Kim, Kyu-hyoung Lee, Ye-ji Kim, Jong-Ho Park, Seung-yong Lee
  • Circuit for physically unclonable function and a method to generate private key for secure authentication using a physically unclonable function cell
    Patent number: 11646899
    Abstract: The present disclosure provides a PUF circuit including a first array including at least one physically unclonable function (PUF) cell, a second array including at least one PUF cell, and a controller which selects a first PUF cell from the first array and selects a second PUF cell from the second array and generates unique information represented by the first PUF cell and the second PUF cell based on a first output voltage output by the first PUF cell and a second output voltage output by the second PUF cell.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: May 9, 2023
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Yoon Myung Lee, Jong Min Lee, Min Sun Kim, Gi Cheol Shin
  • METHOD OF RECOGNIZING STOP LINE OF AUTONOMOUS VEHICLE
    Publication number: 20230132421
    Abstract: A method of recognizing a stop line in an autonomous vehicle is disclosed. The method includes detecting valid stop line data in a current frame of an input image, when the valid stop line data is detected in the current frame, calculating a stop line area in the current frame using a tracking algorithm and tracking the stop line in a next frame, and when the valid stop line data is not detected, inputting the current frame to a trained neural network model and performing a redetection of the stop line data.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jaewook JEON, Hyungjoon JEON
  • NEGATIVE TRANSCONDUCTANCE DEVICE AND MULTI-VALUED MEMORY DEVICE USING THE SAME
    Publication number: 20230140466
    Abstract: Disclosed are a negative transconductance device and a multi-valued memory device using the same. The negative transconductance includes a monolithic WSe2 semiconductor thin film; a first doped layer disposed on a first area of the WSe2 semiconductor thin film; a second doped layer disposed on a second area of the WSe2 semiconductor thin film so as to supply holes to the second area, wherein the second area is spaced apart from the first area; a first electrode electrically connected to the first area of the WSe2 semiconductor thin film; a second electrode electrically connected to the second area of the WSe2 semiconductor thin film; and a third electrode for applying a gate voltage to the first area and the second area of the WSe2 semiconductor thin film, and to a third area thereof located between the first and second areas.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Sungjoo LEE, Hyeonje SON, Haeju CHOI, Taeho KANG, Chanwoo KANG, Sungpyo BAEK, Hyun Ho YOO, Jae Hyeok JU
  • ULTRASONIC WAVE-DRIVEN TRIBOELECTRIC GENERATOR WITH SELF-GAP FORMED USING PLASMA ETCHING
    Publication number: 20230135593
    Abstract: The present invention relates to an ultrasonic wave-driven triboelectric generator in which a self-gap is formed using plasma etching. The present invention relates to an ultrasonic wave-driven triboelectric generator having a polymer film as one triboelectric layer having a self-gap defined therein using plasma etching such that a surface area thereof is increased to achieve high power and miniaturization of the generator.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 4, 2023
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: SangWoo KIM, Young Jun KIM, Young Wook CHUNG, Joon Ha HWANG
  • Method for controlling fault using switching technique of three phase four wire interlinking converter
    Patent number: 11641156
    Abstract: A method for controlling a fault of a three phase four wire interlinking converter system according to one embodiment of the present disclosure comprises obtaining a first d-q-o coordinate plane based on an internal phase angle of output voltage produced from each phase of an inverter; converting the first d-q-o coordinate plane to a second d-q-o coordinate plane based on the o-axis configured differently from the first d-q-o coordinate plane; obtaining an output voltage vector for determining a fault location by performing d-q transform on the second d-q-o coordinate plane; determining occurrence of a fault and an area related to the fault based on the output voltage vector; and in the occurrence of the fault, allocating a zero voltage vector to the area related to the fault.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: May 2, 2023
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Chung Yuen Won, Kwang Su Na, Mi Na Kim, Bong Yeon Choi, Kyoung Min Kang, Hoon Lee, Chang Gyun An, Tae Gyu Kim, Jun Sin Yi
  • Wake-up radio systems and methods based on backscatter wake-up radio
    Patent number: 11641624
    Abstract: Provided are wake-up radio systems and methods based on backscatter wake-up radio. The wake-up radio method based on backscatter wake-up radio includes setting an arbitrary receiving window period in a window setting period by receiving a beacon signal from a data collection apparatus, transmitting a backscatter response message to the data collection apparatus based on a reception time of a contention signal received from the data collection apparatus in the set receiving window period, in the window setting period, and receiving a wake-up signal from the data collection apparatus in the data transmission period to set as a wake-up period and transmitting data to the data collection apparatus based on a scheduling time according to a backscatter response message.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: May 2, 2023
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Tae-Jin Lee, Eun-Jin Choi, Yunmin Kim
  • Antenna device
    Patent number: 11641065
    Abstract: An antenna device is provided. The antenna device includes a first antenna patch configured to transmit and receive an RF signal in a first frequency bandwidth and disposed a first dielectric layer; a second antenna patch disposed on a second dielectric layer and coupled to the first antenna patch; a third antenna patch disposed on a third dielectric layer and coupled to the second antenna patch; and a fourth antenna patch configured to transmit and receive an RF signal in the second frequency bandwidth, wherein the second antenna patch includes a plurality of first sub-antenna patches that do not overlap the first antenna patch, and the third antenna patch includes a plurality of second sub-antenna patches that overlap the first sub-antenna patches.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: May 2, 2023
    Assignees: Samsung Electro-Mechanics Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Won Wook So, Jeongki Ryoo, Woncheol Lee, Youngsik Hur, Keum Cheol Hwang, Nam Heung Kim, Yong-Serk Kim