Patents Assigned to IUCF-HYU
  • LOW-DROPOUT REGULATOR
    Publication number: 20230170800
    Abstract: An LDO regulator includes a voltage-to-time converter configured to convert a fluctuation in an output voltage sensed from an output node into a time domain signal having a pulse type, and output the time domain signal, based on a clock signal; a time-to-voltage converter configured to receive the time domain signal, convert the time domain signal into a first voltage control signal performing first compensation for the output voltage, and output the first voltage control signal; an analog amplifier configured to output a second voltage control signal continuously performing second compensation for the output voltage, regardless of the clock signal; and a first pass transistor configured to drive the output voltage based on the second voltage control signal. The LDO regulator is configured to reduce the fluctuation in the output voltage, based on the first compensation and the second compensation.
    Type: Application
    Filed: November 25, 2022
    Publication date: June 1, 2023
    Applicants: Samsung Electronics Co., Ltd., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Huidong Gwon, Byongdeok Choi, Taehwang Kong, Junhyeok Yang, Junhwan Jang
  • ROTOR COOLING STRUCTURE FOR INDUCTION MOTOR
    Publication number: 20230170762
    Abstract: A rotor cooling structure includes a turbine blower structure provided on first and second sides of a rotor for an induction motor; a refrigerant passage including a plurality of refrigerant passage inlet openings provided on a bottom surface of the turbine blower structure and a plurality of refrigerant passage outlet openings provided at an axial center of the rotor, which fluidically communicates with the refrigerant passage inlet openings and the refrigerant passage outlet openings and is provided along conductor bars of the rotor; and a plurality of micro groove patterns that hold the refrigerant passage outlet openings and are provided on both axial sides of the rotor on an external periphery of the rotor.
    Type: Application
    Filed: June 21, 2022
    Publication date: June 1, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Jin Ho CHOI, Jong Seok LEE, Sang Jin PARK, Sung Woo HWANG, Jae Hyun KIM, Myung Seop LIM
  • INDUCTION MOTOR WITH A CIRCUMFERENTIALLY SLITTED SQUIRREL CAGE ROTOR
    Publication number: 20230170777
    Abstract: A rotor for an induction motor is provide. The rotor includes a core built with stacks of a plurality of steel sheets and includes a plurality of rotor slots that are radially arranged. The rotor further includes a plurality of conductor bars contained in the plurality of rotor slots, respectively, and end-rings attached to both longitudinal ends of each of the plurality of conductor bars. The rotor further includes at least one slit formed inward from an outer periphery of the rotor along a perimeter of the rotor, wherein the slit has a depth deep enough to form a groove portion in at least some region of each of the plurality of conductor bars.
    Type: Application
    Filed: August 17, 2022
    Publication date: June 1, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Jin Ho Choi, Jong Seok Lee, Sung Woo Hwang, Myung Seop Lim, Jae Hyun Kim
  • Graphene fiber manufactured by joule heating and method of manufacturing the same
    Patent number: 11661677
    Abstract: A method of manufacturing a graphene fiber is provided. The method includes preparing a source solution including graphene oxide, supplying the source solution into a coagulation solution to form a graphene oxide fiber, reducing the graphene oxide fiber to form a primary graphene fiber, and Joule-heating the primary graphene fiber to form a secondary graphene fiber.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: May 30, 2023
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Tae Hee Han, Sung Hyun Noh
  • Composite material including selenium, method of fabricating the same, lithium ion and lithium selenium secondary batteries including the same, and lithium ion capacitor including the same
    Patent number: 11664494
    Abstract: A composite material is provided. The composite material includes carbon layers and metal compound layers alternately and repeatedly stacked. Each of the metal compound layers includes molybdenum and selenium. When the composite material is used as a positive active material for a lithium selenium secondary battery, selenium is separated from the metal compound layer through a preliminary charge/discharge process. In addition, the composite material may be used as negative active materials of a lithium ion battery and a lithium ion capacitor. Furthermore, the composite material may be used as an active material of a positive electrode of the lithium selenium secondary battery.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: May 30, 2023
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Sung-Hwan Han, Joong-Hee Han
  • 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
  • METHOD OF OPERATING DYNAMIC VISION SENSOR SYSTEM
    Publication number: 20230156355
    Abstract: A method of operating a dynamic vision sensor system includes: obtaining event signals from a plurality of dynamic vision sensor pixels over a predetermined time period, wherein the event signals correspond to a measured change in light; obtaining original image data based on the event signals output by the plurality of DVS pixels and including a plurality of image pixels, wherein the plurality of image pixels respectively correspond to the plurality of dynamic vision sensor pixels; obtaining binary image data by binarizing pixel values of the plurality of image pixels; defining a plurality of pixel groups from the plurality of image pixels in the binary image data; and selecting a plurality of effective groups from among the plurality of pixel groups that represent the movement of an object.
    Type: Application
    Filed: November 7, 2022
    Publication date: May 18, 2023
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Whoiyul Kim, Jeyeon Kim, Minsu Kim
  • 3D FLUSH MEMORY HAVING IMPROVED STRUCTURE
    Publication number: 20230157021
    Abstract: Disclosed is a three 3D flash memory having an improved structure and a method for manufacturing the same.
    Type: Application
    Filed: May 4, 2021
    Publication date: May 18, 2023
    Applicants: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), PeDiSem Co., Ltd.
    Inventor: Yun Heub SONG
  • Magnetic robot system
    Patent number: 11648068
    Abstract: A magnetic robot system is provided. The magnetic robot system comprises: a catheter having a first magnet coupling part provided at the front end thereof; and a mobile robot having a second magnet coupling part provided at the rear end thereof, and having a driving magnet, wherein the mobile robot is coupled to the catheter by means of magnetic force between the first magnet coupling part and the second magnet coupling part, and the magnetic force coupling of the first magnet coupling part and the second magnet coupling part can be released by rotating magnetic torque generated by the driving magnet because of the application of external rotating magnetic force.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: May 16, 2023
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Gunhee Jang, Wonseo Lee, Jae Kwang Nam, Jongyul Kim
  • Graphene fiber and method of manufacturing the same
    Patent number: 11649566
    Abstract: A method of manufacturing a graphene fiber is provided. The method includes preparing a source solution including graphene oxide, supplying the source solution into a base solution containing a foreign element to form a graphene oxide fiber, separating the graphene fiber from the base solution and cleaning and drying to obtain the graphene oxide fiber containing the foreign element, and performing thermal treatment to the dried graphene oxide fiber containing the foreign element to form a graphene fiber doped with the foreign element. Elongation percentage of the graphene fiber is adjusted by concentration and spinning rate of the source solution.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: May 16, 2023
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Tae Hee Han, Hun Park
  • Display device and method of driving the same
    Patent number: 11640792
    Abstract: A method of driving a display device including a sensing line, a light-emitting element, a capacitor, and a driving transistor, the driving transistor comprising a control terminal that is connected to the capacitor, an input terminal, and an output terminal, the method including: connecting the control terminal and the output terminal; connecting the control terminal and the output terminal to a ground voltage and then disconnecting the control terminal and the output terminal from the ground voltage; sensing a first voltage of the control terminal through the sensing line; and calculating a threshold voltage of the driving transistor based on the first voltage.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: May 2, 2023
    Assignees: Samsung Display Co., Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Ung-Gyu Min, Oh-Kyong Kwon
  • SYSTEM AND METHOD FOR REAL-TIME DETECTION OF USER'S ATTENTION SOUND BASED ON NEURAL SIGNALS, AND AUDIO OUTPUT DEVICE USING THE SAME
    Publication number: 20230129442
    Abstract: A system for detecting a sound to which a user is attending based on neural signals includes an audio signal collection unit to collect audio signals including two or more sounds from a surrounding environment around the user; a neural signal collection unit to collect the neural signals of the user; an attended sound detection unit to analyze correlations between the two or more sounds included in the audio signals and the neural signals of the user in real time and determine the sound to which the user is attending based on the correlations; a database unit to store a result of the detection; and an output unit to select and output the stored individual audio signal or output the result of detecting the attended sound in real time according to the presence or absence of the audio signal in the surrounding environment around the user.
    Type: Application
    Filed: October 12, 2022
    Publication date: April 27, 2023
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Yoonseob LIM, Seung-Cheol BAEK, Jae Ho CHUNG, Jiyeon HA
  • METHOD AND APPARATUS FOR NEURAL NETWORK OPERATION
    Publication number: 20230118505
    Abstract: A neural network operation apparatus may include a receiver configured to receive input data to perform the neural network operation and a quantized Look Up Table (LUT) corresponding to a non-linear function comprised in the neural network operation, and a processor configured to perform scale-up on the input data based on a scale factor, to extract a quantized LUT parameter from the quantized LUT based on scaled-up input data, and to generate an operation result by performing a neural network operation based on the quantized LUT parameter.
    Type: Application
    Filed: August 12, 2022
    Publication date: April 20, 2023
    Applicants: Samsung Electronics Co., Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Donghyun Lee, Joonsang Yu, Junki Park, Jungwook Choi
  • LOGIC ELEMENT USING SPIN-ORBIT TORQUE AND MAGNETIC TUNNEL JUNCTION STRUCTURE
    Publication number: 20230119656
    Abstract: Disclosed is logic device using spin orbit torque. Two magnetic tunnel junctions have mutually opposite magnetization directions. The direction of the current flowing through the non-magnetic metal layer acts as an input, and the resistance states of the magnetic tunnel junctions are determined by the input program currents. Various logic devices are implemented by a method of setting the input program current to a logic high or a logic low.
    Type: Application
    Filed: February 25, 2021
    Publication date: April 20, 2023
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Jin Pyo HONG, Jeong Hun SHIN, Jeong Woo CHOI
  • Supported copper catalyst and selective hydrogenation of furan-based compounds using the same
    Patent number: 11628422
    Abstract: Disclosed are a catalyst including copper (Cu) particles having specific properties as an active metal dispersed and supported on an alumina support, a method of preparing the same, and a method of hydrogenating furan-based compounds such as 5-(hydroxymethyl)furfural (HMF) derived from biomass with a high selective conversion and high efficiency using the catalyst.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: April 18, 2023
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Young Woong Suh, Jin Sung Kim
  • Data processing device and memory system including the same
    Patent number: 11627021
    Abstract: Provided are a memory device and a memory system including the same. The memory device may include a data bus inversion (DBI) mode selector configured to select a first multi-bit DBI signal from among a plurality of multi-bit DBI signals respectively corresponding to a plurality of DBI modes according to multi-bit data; a multi-mode DBI encoder configured to generate encoded multi-bit data by DBI encoding the multi-bit data according to the first multi-bit DBI signal; and a transceiver configured to transmit a data symbol corresponding to the encoded multi-bit data through a data channel and transmit a DBI symbol corresponding to the first multi-bit DBI signal through a DBI channel.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: April 11, 2023
    Assignees: Samsung Electronics Co., Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University
    Inventors: Jaewoo Park, Youngdon Choi, Junghwan Choi, Changsik Yoo
  • THIN FILM TRANSISTOR COMPRISING CRYSTALLINE IZTO OXIDE SEMICONDUCTOR, AND METHOD FOR PRODUCING SAME
    Publication number: 20230108600
    Abstract: A crystalline IZTO oxide semiconductor and a thin film transistor having the same are provided. The thin film transistor includes a gate electrode, a crystalline In—Zn—Sn oxide (IZTO) channel layer overlapping the upper or lower portions of the gate electrode and having hexagonal crystal grains, and a gate insulating layer disposed between the gate electrode and the IZTO channel layer, and source and drain electrodes respectively connected to both ends of the IZTO channel layer.
    Type: Application
    Filed: February 16, 2021
    Publication date: April 6, 2023
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG
    Inventors: Jae Kyeong JEONG, Nu Ri ON, Gwang Bok KIM
  • ARTIFICIAL TOOTH MANUFACTURING INFORMATION GENERATION METHOD AND ARTIFICIAL TOOTH MANUFACTURING SYSTEM
    Publication number: 20230107480
    Abstract: An artificial tooth manufacturing information generation method is provided. The artificial tooth manufacturing information generation method may include the steps of: photographing a target tooth to acquire a primary image; correcting the primary image to acquire a secondary image; selecting an area including the target tooth from the secondary image to extract a tertiary image; selecting a noise area caused by reflected light from the tertiary image and then correcting the noise area, to acquire a quaternary image; and generating artificial tooth manufacturing information by using a pixel value of the target tooth included in the quaternary image.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 6, 2023
    Applicant: IUCF-HYU (INDUSTRY-UNICERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Kyung Gyun HWANG, Hyung Tek LIK
  • Light emitting device and display apparatus including the same
    Patent number: 11621309
    Abstract: A light emitting device includes a metal reflective layer including a phase modulation surface on which oblong phase modulation elements are formed; a first electrode provided on the metal reflective layer; an organic emission layer that is provided on the first electrode and that emits light; and a second electrode provided on the organic emission layer, wherein the oblong phase modulation elements are arranged to form a geometric phase lens.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: April 4, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Sunghoon Lee, Seokho Song, Wonjae Joo
  • AIR VENT STRUCTURE
    Publication number: 20230099242
    Abstract: The present disclosure relates to an air vent structure and, more specifically, to a slim air vent structure provided in a vehicle interior and using a Coanda effect. The air vent structure includes a collection plate disposed on a first side in a passage through which air flows. An inclined surface is disposed on a second side that is opposite to the first side, and the inclined surface has an inclination. A projection is configured to be retractable from the inclined surface. A volume of the projection, protruding from the inclined surface, is adjustable.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 30, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, (IUCF-HYU) Industry-University Cooperation Foundation Hanyang University
    Inventors: Yoon Hyung Lee, Yong Chul Kim, Seong Min An, Se Jin Yook, Su Hoon Park