Patents Assigned to Sungkyunkwan University
  • Patent number: 10820254
    Abstract: The present disclosure relates to a scheduling method and apparatus of a wireless network and a scheduling method of a wireless network is a scheduling method of a wireless network including a plurality of nodes, the method including: generating a broadcast tree to transmit data from a source node to a sink node, dividing nodes included in the broadcast tree into a primary node which does not allow collision and a secondary node which allows collision at the time of receiving data, in accordance with predetermined criteria; and allocating a time slot in which nodes included in the broadcast tree operate, based on the divided result.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: October 27, 2020
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Hyunseung Choo, Hyo Hoon Ahn, Duc-Tai Le
  • Patent number: 10819159
    Abstract: Disclosed is a method of wireless power transfer to at least one wireless station connected to a network from an energy signal transfer apparatus operating in the same frequency band as a wireless local area network (WLAN). The method includes: receiving an energy transfer request from a first wireless station connected to the network; calculating the direction of energy signal transfer in response to the energy transfer request; and sending an energy signal to the first wireless station in the calculated direction of energy signal transfer for the duration of energy transfer. The energy signal transfer apparatus allows for power transfer without causing interference with data transmission on a channel where data transmission occurs, by transferring energy only in the direction of stations requesting energy transfer by beamforming technology.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 27, 2020
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Tae-Jin Lee, Young Il Cho, Ji Hyoung Ahn
  • Patent number: 10819162
    Abstract: A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise steps of performing a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting a characteristic parameter with respect to at least one of an input current and a switching frequency of the power transfer converter; and determining whether or not a foreign object exists between the transmission pad and the reception pad according to whether the characteristic parameter with respect to at least one of the input current and the switching frequency deviates from an allowable range.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: October 27, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Woo Young Lee, Gyu Yeong Choe, Jae Eun Cha, Byoung Kuk Lee, Min Kook Kim, Min Jung Kim, Dong Myoung Joo, Jong Eun Byun
  • Patent number: 10819164
    Abstract: The present disclosure relates to an adaptive mode switching method for simultaneous wireless power/information transmission operating in a dual mode and an apparatus for performing the same. The adaptive mode switching apparatus for simultaneous wireless power/information transmission operating in a dual mode includes: an energy harvesting unit; a single tone information receiving unit; a multi-tone information receiving unit; a time-division switch; and an adaptive mode switching control unit which determines a communication mode and a modulation index based on a battery status, the magnitude of the received signal, and a data transmission rate and controls the time-division switch in accordance with the selected communication mode and modulation index.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: October 27, 2020
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Dong In Kim, Jong Jin Park, Jong Ho Moon, Kang Yoon Lee
  • Publication number: 20200333701
    Abstract: A method of manufacturing a pellicle includes preparing a pellicle frame having an adhesive layer coated thereon, treating a pellicle membrane with vapor under vapor atmosphere, attaching the pellicle membrane onto the pellicle frame, and drying the pellicle membrane.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Applicant: Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Mun-Ja KIM, Ji-Beom YOO, Soo-Young KIM, Hee-Bom KIM, Hwan-Chul JEON, Seul-Gi KIM, Tae-Sung KIM, Dong-Wook SHIN
  • Patent number: 10811541
    Abstract: A semiconductor device includes a gate electrode extending in a first direction on a substrate, a first active pattern extending in a second direction intersecting the first direction on the substrate to penetrate the gate electrode, the first active pattern including germanium, an epitaxial pattern on a side wall of the gate electrode, a first semiconductor oxide layer between the first active pattern and the gate electrode, and including a first semiconductor material, and a second semiconductor oxide layer between the gate electrode and the epitaxial pattern, and including a second semiconductor material. A concentration of germanium of the first semiconductor material may be less than a concentration of germanium of the first active pattern, and the concentration of germanium of the first semiconductor material may be different from a concentration of germanium of the second semiconductor material.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: October 20, 2020
    Assignees: Samsung Electronics Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Jin Bum Kim, Hyoung Sub Kim, Seong Heum Choi, Jin Yong Kim, Tae Jin Park, Seung Hun Lee
  • Publication number: 20200306733
    Abstract: Disclosed are a heterogeneous catalyst, a production method thereof, and a method for producing a lignin-derived high-substituted aromatic monomer from a woody biomass material using the heterogeneous catalyst. The heterogeneous catalyst includes a carrier; and a Ni—Al nano-particle supported on the carrier.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Jaehoon KIM, Jae Yong PARK
  • Publication number: 20200303129
    Abstract: The present disclosure described herein generally relates to a dye-sensitized solar cell including an organic-inorganic composite dye having a perovskite structure, and a producing method of the same
    Type: Application
    Filed: June 8, 2020
    Publication date: September 24, 2020
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Nam-Gyu PARK, Huiseon KIM, Changryul LEE, Jeong-Hyeok IM
  • Patent number: 10784820
    Abstract: A dual-output and dual-mode supply modulator, a two-stage power amplifier using the same, and a supply modulation method therefor are provided. In order to improve the performance of a two-stage power amplifier used in a transmitter of a wireless communication system, the dual-output and dual-mode supply modulator according to the present invention may simultaneously supply an envelope tracking signal to a main amplification stage of the two-stage power amplifier and an average power tracking signal to an auxiliary amplification stage thereof. To this end, the dual-output and dual-mode supply modulator according to the present invention outputs two supply voltages and supports two operation modes.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: September 22, 2020
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Younggoo Yang, Hansik Oh, Sungjae Oh
  • Patent number: 10784082
    Abstract: Disclosed is an inductively-coupled plasma-generating device including: a first power supply for supplying high frequency power; a second power supply for supplying low frequency power; a single coil-based plasma source including at least two antennas which comprise a first antenna having one end as a grounded end and the other end, wherein the first power supply is connected to the first antenna at a point thereof adjacent to the grounded end to receive the high frequency power; and a second antenna surrounded by the first antenna, wherein the second antenna has one end connected to the first antenna and the other end as a low frequency power receiving end connected to the second power supply; and a gas supply for supplying a gas, wherein the gas is excited into plasma by the single coil-based plasma source.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: September 22, 2020
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Geun Young Yeom, Kyung Chae Yang, Hyun Woo Tak, Ye Ji Shin, Da In Sung
  • Publication number: 20200292676
    Abstract: Provided is an apparatus for measuring a depth with a pseudo 4-tap pixel structure, the apparatus including a delta sigma circuit configured to calculate, through a delta sigma operation, a delta value of a first angle corresponding to a first row line of a pixel array for measuring a depth of an object and calculate, through a delta sigma operation, a delta value of a third angle corresponding to a second row line of the pixel array, a memory configured to store the calculated delta value of the first angle corresponding to the first row line, and an arithmetic logic unit (ALU) configured to compute depth information corresponding to the first row line by using the stored delta value of the first angle corresponding to the first row line and the calculated delta value of the third angle corresponding to the second row line.
    Type: Application
    Filed: March 6, 2020
    Publication date: September 17, 2020
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jae Hyuk CHOI, Dong Uk KIM, Jung Hoon CHUN
  • Publication number: 20200292733
    Abstract: A wavelength multiplexing device is disclosed. When light is irradiated on a first longitudinal end region of a metal nano-structure, surface plasmon polaritons are generated in the first longitudinal end region. The surface plasmon polaritons and the light are coupled with each other to form first coupled surface plasmon polaritons, wherein the first coupled surface plasmon polaritons propagate along and on a surface of the metal nano-structure. When the first coupled surface plasmon polaritons reach a two-dimensional material layer, excitons are induced in the two-dimensional material layer, wherein the induced excitons and the first coupled surface plasmon polaritons are coupled with each other to form second coupled surface plasmon polaritons. The second coupled surface plasmon polaritons propagate along and on a surface of the metal nano-structure toward a second longitudinal end thereof.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Applicants: Research & Business Foundation Sungkyunkwan University, Institute for Basic Science
    Inventors: Hyun Seok LEE, Young Hee LEE
  • Publication number: 20200292734
    Abstract: A wavelength multiplexing device is disclosed. When light is irradiated on a first longitudinal end region of a metal nano-structure, surface plasmon polaritons are generated in the first longitudinal end region. The surface plasmon polaritons and the light are coupled with each other to form first coupled surface plasmon polaritons, wherein the first coupled surface plasmon polaritons propagate along and on a surface of the metal nano-structure. When the first coupled surface plasmon polaritons reach a two-dimensional material layer, excitons are induced in the two-dimensional material layer, wherein the induced excitons and the first coupled surface plasmon polaritons are coupled with each other to form second coupled surface plasmon polaritons. The second coupled surface plasmon polaritons propagate along and on a surface of the metal nano-structure toward a second longitudinal end thereof.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Applicants: Research & Business Foundation Sungkyunkwan University, Institute for Basic Science
    Inventors: Hyun Seok LEE, Young Hee LEE
  • Patent number: 10778637
    Abstract: A method for naming a Domain Name System (DNS) for an Internet of Things (IoT) device comprises the steps of: receiving a first message including a DNS search list by a device connected to a network on the basis of Internet Protocol Version 6 (IPv6) protocol; generating, by the device, a domain name including model information and an identifier of the device; performing, by the device, a redundancy check for the domain name on the basis of a neighbor discovery (ND) protocol; and, when the domain name is not redundant, registering the domain name and IPv6 address for the device into a DNS server on the basis of a node information (NI) protocol by a domain name-collecting apparatus connected to the network.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: September 15, 2020
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Jaehoon Jeong, Se Jun Lee
  • Patent number: 10770989
    Abstract: Example embodiments relate to an electrode structure, a triboelectric generator including the electrode structure, and a method of manufacturing the electrode structure. The electrode structure includes a flexible layer configured to be bendable by an external force and an electrode, at least some regions thereof being embedded in the flexible layer.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: September 8, 2020
    Assignees: Samsung Electronics Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Hyeonjin Shin, Jeongho Cho, Hyungseok Kang, Han Kim, Sangwoo Kim, Seongsu Kim, Siuk Cheon
  • Publication number: 20200277311
    Abstract: Disclosed a precursor compound for producing a photoactive layer of a thin film solar cell that may be used as a precursor of a CIS, CGS or CIGS thin film that may be used as a photoactive layer of a solar cell, and a production method thereof. The precursor compound is represented by a following Chemical Formula 1: wherein, in the Chemical Formula 1, X represents indium (In) or gallium (Ga), Y represents chlorine (Cl) or iodine (I), each of R1, R2, R3 and R4 independently represents a methyl group, a propyl group or an alkyl group having 2 to 10 carbon atoms.
    Type: Application
    Filed: February 28, 2020
    Publication date: September 3, 2020
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Duk Young JUNG, Hyun Jong LEE, Ji Hyun CHA
  • Publication number: 20200272424
    Abstract: The present disclosure is related to a method and apparatus for cacheline conscious extendible hashing. A method for cacheline conscious extendible hashing according to one embodiment of the present disclosure comprises identifying a segment referenced through a directory by using a first index of a hash key, identifying a bucket to be accessed within the identified segment by using a second index of the hash key, and storing data corresponding to the hash key in the identified bucket.
    Type: Application
    Filed: February 11, 2020
    Publication date: August 27, 2020
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventor: Beomseok NAM
  • Publication number: 20200275127
    Abstract: Disclosed are a method and an apparatus for image encoding/decoding. The method for image decoding includes comparing whether a size of a current transform block and a size of a smallest transform block (smallest transform unit (STU)) are the same as each other, and decoding information indicating whether transformation is performed on the current transform block and determining whether to perform inverse transformation on the current transform block based on the decoded information indicating whether the transformation is performed when the size of the current transform block and the size of a smallest transform block are the same as each other.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 27, 2020
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Byeung Woo JEON, Kwang Hyun WON
  • Publication number: 20200274010
    Abstract: A photoelectronic device includes a substrate; a first electrode and a second electrode disposed on the substrate and spaced apart from each other in a first direction; and a transition metal dichalcogenide thin film including at least one first region and at least one second region. Each first region includes M+N transition metal dichalcogenide molecular layers and extends along the first direction. Each second region includes N transition metal dichalcogenide molecular layers extending from lower N transition metal dichalcogenide molecular layers of the first region. Each second region extends along the first direction and is adjacent to each first region. Both end regions in the first direction among the first and the second regions are electrically connected to the first electrode and the second electrode, respectively.
    Type: Application
    Filed: February 25, 2020
    Publication date: August 27, 2020
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Geun Young YEOM, Ki Seok KIM, Ki Hyun KIM, You Jin JI, Ji Young BYUN
  • Patent number: 10756301
    Abstract: An electronic device having a stacking structure including a plurality of 2D material layers is provided. The stacking structure includes a first 2D material layer, among the plurality of 2D material layers, stacked adjacent to a second 2D material layer, among the plurality of 2D material layers, and the first 2D material layer is rotated with respect to the second 2D material layer.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: August 25, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Unjeong Kim, Younggeun Roh, Jaehyun Kwon, Younghee Lee, Hyeyun Jeong