Patents by Inventor Ji-Woong Choi
Ji-Woong Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11912120Abstract: A battery mounting structure for a vehicle is provided to include a case having a first internal member that is disposed to be spaced parallel to an upper side of a lower panel of the case and a second internal member that is disposed perpendicular to the first internal member, and configured to accommodate a plurality of battery modules therein using the first internal member and the second internal member. An outer side member is provided in a shape protruding toward the outside on an outer side of the case. The battery modules are disposed in a stacking direction of battery cells that is parallel to a longitudinal direction of the first internal member.Type: GrantFiled: September 22, 2020Date of Patent: February 27, 2024Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Hwan Choi, Yu Ri Oh, Tae Hyuck Kim, Gyung Hoon Shin, Hae Kyu Lim, Ji Woong Jung
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Publication number: 20240047620Abstract: A conductive element may include: a first semiconductor layer adjacent to a first end portion of the conductive element; a second semiconductor layer adjacent to a second end portion of the conductive element; an active layer disposed between the first semiconductor layer and the second semiconductor layer, an element insulating layer covering the active layer and exposing the first end portion and the second end portion; and a conductive pattern layer disposed on the element insulating layer.Type: ApplicationFiled: May 11, 2023Publication date: February 8, 2024Applicant: Samsung Display Co., LTD.Inventor: Ji Woong CHOI
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Patent number: 11877373Abstract: A cooking apparatus and a control method thereof, and more particularly, technology for determining the type of vessel placed in the cooking apparatus and controlling power in response to a state change of the placed vessel or a temperature change of a coil. In accordance with one aspect, a cooking apparatus includes: a coil on which a vessel is placed, configured to form a magnetic field upon application of a current; a detection sensor configured to detect a magnitude of an input current applied differently according to a type of the vessel and a magnitude of an input voltage of the cooking apparatus; and a controller configured to determine a type of the placed vessel according to a power value calculated based on the detected input current and input voltage, and to determine a heating mode of the cooking apparatus based on the determined type of vessel.Type: GrantFiled: May 24, 2019Date of Patent: January 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji Woong Choi, Sang Min Park, Byoung Kuk Lee, Eun Soo Jang, Dong Myoung Joo, Hong-Joo Kang, Nam Ju Park, Chang Sun Yun, Hyun Kwan Lee
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Patent number: 11876810Abstract: A method of detecting a malicious node in a bus network system includes pre-storing, by a receiving node, autocorrelation characteristics and node identifiers for each signal received from nodes excluding than the receiving node in a bus network system, receiving, by the receiving node, a target signal from any one of the nodes, generating, by the receiving node, an autocorrelation characteristic of the target signal, searching for an autocorrelation characteristic, which is identical to the autocorrelation characteristic of the target signal or similar to the autocorrelation characteristic of the target signal by a reference level or more, among the autocorrelation characteristics of each of the signals stored by the receiving node, determining, by the receiving node, whether a first node identifier matching the searched autocorrelation characteristic and a second node identifier extracted from a packet transmitted to the target signal are the same.Type: GrantFiled: August 5, 2021Date of Patent: January 16, 2024Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Ji Woong Choi, Woo Jin Jeong, Eun Min Choi
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Patent number: 11833204Abstract: Disclosed are visible light-activatable antitumor self-assembled nanoparticles or antitumor immunity-inducing self-assembled nanoparticles. The self-assembled nanoparticles induce potent apoptosis in cancer cells and increase their own anticancer immunogenicity, thereby maximizing their therapeutic efficacy for cancer.Type: GrantFiled: November 18, 2021Date of Patent: December 5, 2023Assignee: Korea Institute of Science and TechnologyInventors: Kwangmeyung Kim, In-Cheol Sun, Man Kyu Shim, Ji Woong Choi
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Publication number: 20230375502Abstract: Disclosed is a technology of extracting faradaic current-type Second-Derivative-based Background Removal (SDBR) data, from which a capacitive charge current is subtracted, through the second derivative after background subtraction of FSCV data and providing a neurotransmitter concentration measurement result based on the extracted SDBR data.Type: ApplicationFiled: March 13, 2023Publication date: November 23, 2023Applicant: Daegu Gyeongbuk Institute of Science and TechnologyInventors: Ji Woong CHOI, Seong Tak Kang, Yong Seok Oh, Jeong Rak Park, Yun Ho Jeong
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Publication number: 20230275199Abstract: A display device may include a wiring pad and a dummy pad disposed on a substrate and spaced apart from each other, a planarization layer disposed over the wiring pad and the dummy pad, a first insulating layer disposed on the planarization layer, the first insulating layer exposing a portion of the planarization layer, a first pad electrode and a second pad electrode disposed on the planarization layer and the first insulating layer, the first pad electrode electrically connected to the wiring pad and the second pad electrode electrically connected to the dummy pad, a second insulating layer disposed on the first pad electrode and the second pad electrode, conductive particles disposed on the first pad electrode and the second pad electrode, the conductive particles having a cylindrical shape, and an external device disposed on the conductive particles.Type: ApplicationFiled: November 4, 2022Publication date: August 31, 2023Applicant: Samsung Display Co., LTD.Inventor: Ji Woong CHOI
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Publication number: 20230261671Abstract: Disclosed are a continuous-time delta-sigma analog-to-digital converter and an operation method thereof. More particularly, a continuous-time delta-sigma analog-to-digital converter, including: a linear integrator configured to generate a first output signal corresponding to a preset input voltage based on an operation of a linear Gm circuit that receives the preset input voltage; and a quantizer configured to generate a second output signal corresponding to the first output signal based on an operation of a body-driven VCO that receives the first output signal and to generate a digital output code corresponding to the second output signal based on an operation of a Frequency to Digital Converter (FDC) that receives the second output signal is disclosed.Type: ApplicationFiled: February 14, 2023Publication date: August 17, 2023Applicant: Daegu Gyeongbuk Institute of Science and TechnologyInventors: Jung Hyup LEE, Ji Woong CHOI, Se Hwan LEE
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Publication number: 20230207573Abstract: A display includes a wiring pad and a dummy pad on a first substrate. A first planarization layer is disposed on the wiring pad and the dummy pad. A first pad electrode layer is connected to the wiring pad and a second pad electrode layer is connected to the dummy pad. The first and second pad electrode layers are disposed on the first planarization layer. A first insulating layer covers the first and second pad electrode layers. A first pad electrode upper layer is disposed on the first pad electrode layer. A second pad electrode upper layer is disposed on the second pad electrode layer. The wiring pad, the first pad electrode layer, and the first pad electrode upper layer are electrically connected. The dummy pad, the second pad electrode layer, and the second pad electrode upper layer are electrically connected.Type: ApplicationFiled: November 14, 2022Publication date: June 29, 2023Inventors: JI WOONG CHOI, Han Bum Kwon
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Patent number: 11658765Abstract: A device and method for anti jamming using a decoy signal are provided. The device may include a processor configured to allocate, in connection with a request for transmission of information, first frequency band to information signal including the information and allocate a second frequency band to the decoy signal including fake information associated with the information, and an outputter configured to output the decoy signal and the information signal at a predetermined time interval and output the information signal through the first frequency band after an attack on the second frequency band by the jammer that inspects the decoy signal is detected.Type: GrantFiled: January 25, 2017Date of Patent: May 23, 2023Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Ji Woong Choi, Sung Min Han, Sung-Ho Lim, Chan Kuen Park, Kyung-Joon Park, Yongsoon Eun
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Patent number: 11637846Abstract: A method, performed by an observer node, of securing a network, includes: receiving a signal over the network; determining, based on a frequency characteristic of the received signal, which is determined according to a physical characteristic of a node, which transmits the received signal, a node, which has transmitted the received signal among a plurality of nodes included in the network; comparing a pre-learned signal pattern of the determined transmission node with a pattern of the received signal to determine whether the determined transmission node is a malicious node; and blocking the signal transmitted from the malicious node by determining that the transmission node is a malicious node.Type: GrantFiled: March 31, 2020Date of Patent: April 25, 2023Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Ji Woong Choi, Eun Min Choi, Sung Min Han
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Patent number: 11638332Abstract: An induction heating cooking apparatus and a method of displaying cooking information of the induction heating cooking apparatus are provided, and more particularly, an induction heating cooking apparatus and a method of displaying cooking information of the induction heating cooking apparatus that provide cooking information to a user through a reflector positioned inside the induction heating cooking apparatus are disclosed. Some of the disclosed embodiments provide the induction heating cooking apparatus and the method of displaying cooking information of the induction heating cooking apparatus that provide the cooking information to the user using a projector and the reflector positioned inside the induction heating cooking apparatus.Type: GrantFiled: November 21, 2017Date of Patent: April 25, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kil Young Lee, Jung Hoon Kim, Se Hoon Park, Ji Woong Choi
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Patent number: 11622422Abstract: The present disclosure relates to a cooking apparatus and a method of controlling the same, and more particularly, to a technology for reducing stress caused by a current flowing through a diode included in the cooking apparatus.Type: GrantFiled: November 22, 2018Date of Patent: April 4, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Nam Ju Park, Ji Woong Choi, Hyun Kwan Lee
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Patent number: 11528133Abstract: This specification discloses a quantum public-key cryptosystem. The quantum public-key cryptosystem may use two rotation operators R{circumflex over (n)}(?) and R{circumflex over (m)}(?) satisfying a cyclic evolution. The two rotation operators R{circumflex over (n)}(?) and R{circumflex over (m)}(?) do not have a commutation relation or an anti-commutation relation with each other. The commutation relation or the anti-commutation relation is established when either of the following conditions is satisfied: ?=2i?, ?=2j?, or {circumflex over (n)}·{circumflex over (m)}=1 (i, j=integer), and ?=(2k+1)?, ?=(2l+1)?, or {circumflex over (n)}·{circumflex over (m)}=0 (k, l=integer).Type: GrantFiled: January 10, 2020Date of Patent: December 13, 2022Assignee: Korea Institute of Science and TechnologyInventors: Sang Wook Han, Sung Wook Moon, Yong Su Kim, Sang Yun Lee, Young Wook Cho, Min Sung Kang, Ji Woong Choi
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Publication number: 20220370611Abstract: Disclosed are visible light-activatable antitumor self-assembled nanoparticles or antitumor immunity-inducing self-assembled nanoparticles. The self-assembled nanoparticles induce potent apoptosis in cancer cells and increase their own anticancer immunogenicity, thereby maximizing their therapeutic efficacy for cancer.Type: ApplicationFiled: November 18, 2021Publication date: November 24, 2022Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kwangmeyung KIM, In-Cheol SUN, Man Kyu SHIM, Ji Woong CHOI
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Publication number: 20220223645Abstract: A display device includes a first electrode disposed on a substrate; a second electrode disposed on the substrate, the second electrode being spaced apart from, and facing, the first electrode in a first direction; and a plurality of light-emitting elements extending in a length direction and having both ends disposed on the first electrode and second electrode, respectively, wherein the first electrode includes a plurality of first patterns which are recessed from a top surface of the first electrode and from a side surface of the first electrode that faces the second electrode, and the second electrode includes a plurality of second patterns which are recessed from a top surface of the second electrode and from a side surface of the second electrode that faces the first electrode.Type: ApplicationFiled: December 23, 2021Publication date: July 14, 2022Applicant: Samsung Display Co., LTD.Inventor: Ji Woong CHOI
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Patent number: 11380242Abstract: A display device includes a controller to generate a start frame control signal having a first level in an active period and a second level in a blank period, a load signal toggling between the first level and the second level in the active period and having the second level in the blank period, and a data signal including image data in the active period and a training pattern in the blank period, and a data driver to recover the image data from the data signal based on an internal clock signal to provide display pixels with data voltages in the active period, and to perform a training operation for the internal clock signal using the training pattern in the data signal when both of the start frame control signal and the load signal are maintained as the second level for more than a reference time in the blank period.Type: GrantFiled: December 5, 2019Date of Patent: July 5, 2022Assignee: Samsung Display Co., Ltd.Inventors: Kihyun Pyun, Yunmi Kim, Ji Woong Choi
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Publication number: 20220182399Abstract: A method of detecting a malicious node in a bus network system includes pre-storing, by a receiving node, autocorrelation characteristics and node identifiers for each signal received from nodes excluding than the receiving node in a bus network system, receiving, by the receiving node, a target signal from any one of the nodes, generating, by the receiving node, an autocorrelation characteristic of the target signal, searching for an autocorrelation characteristic, which is identical to the autocorrelation characteristic of the target signal or similar to the autocorrelation characteristic of the target signal by a reference level or more, among the autocorrelation characteristics of each of the signals stored by the receiving node, determining, by the receiving node, whether a first node identifier matching the searched autocorrelation characteristic and a second node identifier extracted from a packet transmitted to the target signal are the same.Type: ApplicationFiled: August 5, 2021Publication date: June 9, 2022Inventors: Ji Woong CHOI, Woo Jin JEONG, Eun Min CHOI
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Patent number: 11317479Abstract: Disclosed herein is a cooking apparatus. The cooking apparatus includes a cooking plate, a plurality of induction heating coils installed under the cooking plate, a plurality of drivers configured to supply driving power to the plurality of induction heating coils, and a controller configured to control the plurality of drivers to drive a plurality of groups to which the plurality of induction heating coils belong, respectively. Power output by a first driver, among the plurality of drivers, which drives a first group among the plurality of groups may be increased and power output by a second driver, among the plurality of drivers, which drives a second group among the plurality of groups may be decreased.Type: GrantFiled: April 25, 2018Date of Patent: April 26, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nam Ju Park, Chang Sun Yun, Ji Woong Choi
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Publication number: 20210267024Abstract: A cooking apparatus and a control method thereof, and more particularly, technology for determining the type of vessel placed in the cooking apparatus and controlling power in response to a state change of the placed vessel or a temperature change of a coil. In accordance with one aspect, a cooking apparatus includes: a coil on which a vessel is placed, configured to form a magnetic field upon application of a current; a detection sensor configured to detect a magnitude of an input current applied differently according to a type of the vessel and a magnitude of an input voltage of the cooking apparatus; and a controller configured to determine a type of the placed vessel according to a power value calculated based on the detected input current and input voltage, and to determine a heating mode of the cooking apparatus based on the determined type of vessel.Type: ApplicationFiled: May 24, 2019Publication date: August 26, 2021Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Ji Woong CHOI, Sang Min PARK, Byoung Kuk LEE, Eun Soo JANG, Dong Myoung JOO, Hong-Joo KANG, Nam Ju PARK, Chang Sun YUN, Hyun Kwan LEE