Patents by Inventor In Kyu Choi

In Kyu 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).

  • Publication number: 20230352104
    Abstract: A nonvolatile memory device and an operating method thereof are disclosed. An operating method of a nonvolatile memory device may comprise providing the nonvolatile memory device including a memory transistor, the memory transistor including a source, a drain, a channel disposed between the source and the drain, and a first insulating layer, a charge storage layer, a second insulating layer, and a gate which are sequentially disposed on the channel, and curing the memory transistor by removing charges or traps existing at least at an interface between the channel and the first insulating layer by generating a gate induced drain leakage (GIDL) current on the drain side of the memory transistor and using Joule heating caused by the GIDL current.
    Type: Application
    Filed: March 28, 2023
    Publication date: November 2, 2023
    Inventors: Jung Woo LEE, Yang Kyu CHOI, Ji Man YU
  • Publication number: 20230344086
    Abstract: A battery module including a cell stack including a plurality of battery cells that are stacked on top of one another, the plurality of battery cells including electrode leads, at least one bus bar structured to provide a plurality of through-slits into which the electrode leads are inserted, and a bus bar frame coupled to the at least one bus bar, the bus bar frame having a plurality of through-holes in which the electrode leads are disposed. Each of the through-slits may include a first guide portion structured to include a first space wider than a width of a corresponding through-slit for a corresponding electrode lead to be inserted toward the through-slit, and the bus bar frame may include a second guide portion structured to include a second space that extends from the first space and has a width wider than the first space.
    Type: Application
    Filed: October 4, 2022
    Publication date: October 26, 2023
    Inventors: Tak Kyung YOO, Yang Kyu CHOI, Ji San KIM, Seo Roh RHEE
  • Publication number: 20230343251
    Abstract: The purpose of the present invention is to provide a magnetic fluid display in which a magnetic fluid moves in response to a magnetic field and which may display a unique visual image according to the meeting and parting of the magnetic fluid. A magnetic fluid display according to the present invention comprises: a display unit including a transparent liquid into which a magnetic fluid is injected; and a magnetic field generating unit for applying a magnetic field to the magnetic fluid at a rear surface of the display unit. When the magnetic field is applied, the magnetic fluid moves in the transparent liquid in a directional manner, so that an image may be displayed on the display unit.
    Type: Application
    Filed: October 28, 2022
    Publication date: October 26, 2023
    Inventors: Hyeong Jun KIM, Jong Hun LEE, Min Kyu CHOI
  • Patent number: 11799148
    Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of secondary battery cells; and a housing member including a cooling plate member, and a heat conductive member provided between the secondary battery cells and the cooling plate member to form a heat path for transferring heat from the secondary battery cells to the cooling plate member, the housing member having the plurality of secondary battery cells accommodated therein, wherein the heat conductive member is comprised such that a portion of the heat conductive member in contact with a secondary battery cell that is supercooled has a lower thermal conductivity than a remaining portion of the heat conductive member.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: October 24, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Hae Ryong Jeon, Seok Min Kim, Myeong Hwan Ma, Seo Roh Rhee, Seung Hoon Ju, Yang Kyu Choi, Dong Ha Hwang
  • Patent number: 11797203
    Abstract: A method and memory device of controlling a plurality of low power states are provided. The method includes: entering a low power mode state, in which memory cell rows of the memory device are refreshed and power consumption is lower than in a self-refresh mode state, in response to a low power state entry command; and exiting the low power mode state based on a low power mode exit latency time that is set in a mode register of the memory device or at least one of an alarm signal and a low power mode exit command.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeon-kyu Choi, Ki-seok Oh, Seung-jun Shin, Hye-ran Kim
  • Patent number: 11798441
    Abstract: The purpose of the present invention is to provide a magnetic fluid display in which a magnetic fluid moves in response to a magnetic field and which may display a unique visual image according to the meeting and parting of the magnetic fluid. A magnetic fluid display according to the present invention comprises: a display unit including a transparent liquid into which a magnetic fluid is injected; and a magnetic field generating unit for applying a magnetic field to the magnetic fluid at a rear surface of the display unit. When the magnetic field is applied, the magnetic fluid moves in the transparent liquid in a directional manner, so that an image may be displayed on the display unit.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: October 24, 2023
    Assignee: CK MATERIALS LAB CO., LTD.
    Inventors: Hyeong Jun Kim, Jong Hun Lee, Min Kyu Choi
  • Patent number: 11798917
    Abstract: A stack package includes a core die disposed over a package substrate, and a controller die disposed between the core die and the package substrate to control the core die. The core die includes banks each including memory cell arrays, an interbank region in which row decoders and column decoders are arranged, and a pad region in which first connection pads electrically connected to the row decoders and column decoders through first wirings are disposed. The controller die includes a through via region in which controller die through vias penetrating the controller die to be connected to the first connection pads are disposed, and a circuit region in which controlling circuitry electrically connected to the controller die through vias through second wirings is disposed.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: October 24, 2023
    Assignee: SK hynix Inc.
    Inventor: Bok Kyu Choi
  • Publication number: 20230334901
    Abstract: Disclosed is a face verification method and apparatus. The method including analyzing a current frame of a verification image, determining a current frame state score of the verification image indicating whether the current frame is in a state predetermined as being appropriate for verification, determining whether the current frame state score satisfies a predetermined validity condition, and selectively, based on a result of the determining of whether the current frame state score satisfies the predetermined validity condition, extracting a feature from the current frame and performing verification by comparing a determined similarity between the extracted feature and a registered feature to a set verification threshold.
    Type: Application
    Filed: June 22, 2023
    Publication date: October 19, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Changyong SON, Wonsuk CHANG, Deoksang KIM, Dae-Kyu SHIN, Byungin YOO, Seungju HAN, Jaejoon HAN, Jinwoo SON, Chang Kyu CHOI
  • Patent number: 11790065
    Abstract: A user verification apparatus may perform user verification using multiple biometric verifiers. The user verification apparatus may set a termination stage of one or more biometric verifiers. Multiple biometric verifiers may be used to generate outputs, for which separate termination stages are set to establish a particular combination of set termination stages associated with the multiple biometric verifiers, and the user verification apparatus may fuse outputs of the biometric verifiers based on the particular combination of set termination stages. The user verification apparatus may verify a user based on a result of the fusing, and an unlocking command signal may be generated based on the verifying. The unlocking command signal may be generated to selectively grant access, to the verified user, to one or more elements of a device. The device may be a vehicle.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: October 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sungjoo Suh, Seungju Han, Jae-Joon Han, Chang Kyu Choi
  • Patent number: 11790494
    Abstract: A three-dimensional (3D) image-based facial verification method and apparatus is provided. The facial verification method may include capturing a facial image of a 3D face of a user, determining an occluded region in the captured facial image by comparing the captured facial image and an average facial image, generating a synthetic image by synthesizing the captured facial image and the average facial image based on the occluded region, and verifying the user based on the synthetic image.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: October 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seungju Han, Minsu Ko, Jaejoon Han, Chang Kyu Choi
  • Publication number: 20230327142
    Abstract: A separator for a fuel cell, which is stacked on a gas diffusion layer provided on a membrane electrode assembly (MEA), includes a plate body stacked on the gas diffusion layer and including a flow path part to define a reaction region to react with the membrane electrode assembly and manifold parts spaced apart from the flow path part; through-holes disposed in the plate body to guide target fluids that have passed through the manifold parts to the flow path part; and hole caps disposed on one surface of the plate body that faces the gas diffusion layer to at least partially cover the through-holes, the hole caps defining movement paths through which the target fluids move.
    Type: Application
    Filed: July 20, 2022
    Publication date: October 12, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Bae Jung KIM, Hyun Jeong KIM, Ah Reum KIM, Young Chul PARK, Hyun Kyu CHOI, Chan Gi KIM, Sun Hwi KIM
  • Publication number: 20230326241
    Abstract: Disclosed is a face verification method and apparatus. A mobile device may include one or more processors configured to obtain one or more images for a user, ascertain whether any of the one or more images correspond to respective user distances, from the user to the mobile device, outside of a threshold range of distances, and selectively, based on a result of the ascertaining, perform verification using a first verification threshold for any of the one or more images ascertained to correspond to the respective user distances that are outside the threshold range of distances, and perform verification using a less strict second verification threshold for any of the one or more images that have been ascertained to not correspond to the respective user distances that are outside the threshold range of distances.
    Type: Application
    Filed: June 12, 2023
    Publication date: October 12, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Changyong SON, Wonsuk CHANG, Deoksang KIM, Dae-Kyu SHIN, Byungin YOO, Seungju HAN, Jaejoon HAN, Jinwoo SON, Chang Kyu CHOI
  • Publication number: 20230325111
    Abstract: A memory system according to the present technology may include a plurality of memory devices including a plurality of blocks configured of memory cells and a memory controller configured to control the plurality of memory devices corresponding to a plurality of zones by configuring the plurality of zones with the plurality of blocks included in each of the plurality of memory devices, wherein the memory controller is further configured to: receive a write request from a host, determine a target zone indicated by the write request among the plurality of zones, and determine a logical address of the target zone on which a write operation is to be started based on a write pointer and an offset corresponding to the target zone.
    Type: Application
    Filed: June 1, 2023
    Publication date: October 12, 2023
    Inventors: Yu Jung LEE, Bo Kyeong KIM, Do Hyeong LEE, Min Kyu CHOI
  • Patent number: 11783639
    Abstract: A liveness test method and apparatus is disclosed. A processor implemented liveness test method includes extracting an interest region of an object from a portion of the object in an input image, performing a liveness test on the object using a neural network model-based liveness test model, the liveness test model using image information of the interest region as provided first input image information to the liveness test model and determining liveness based at least on extracted texture information from the information of the interest region by the liveness test model, and indicating a result of the liveness test.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: October 10, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byungin Yoo, Youngjun Kwak, Jungbae Kim, Jinwoo Son, Changkyo Lee, Chang Kyu Choi, Jaejoon Han
  • Publication number: 20230315666
    Abstract: Disclosed is an electronic device including a first interface configured to receive information about a device information storage device configured to store information about another electronic device, a second interface configured to communicate with a processor of the other electronic device, and at least one processor, wherein the at least one processor is configured to, when the device information storage device is identified through the first interface, acquire the information about the other electronic device from the device information storage device through the first interface, when the device information storage device is not identified through the first interface, check whether the other electronic device is identified through the second interface, and when the other electronic device is identified through the second interface, acquire the information about the other electronic device through the second interface based on communication with the processor of the other electronic device.
    Type: Application
    Filed: October 10, 2019
    Publication date: October 5, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyoung Kyu CHOI, Jin Kyoung KIM
  • Publication number: 20230317138
    Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 5, 2023
    Inventors: DAE-SIK MOON, GIL-HOON CHA, KI-SEOK OH, CHANG-KYO LEE, YEON-KYU CHOI, JUNG-HWAN CHOI, KYUNG-SOO HA, SEOK-HUN HYUN
  • Patent number: 11773318
    Abstract: A curable composition includes (A) a quantum dot; (B) a polymerizable compound; (C) a compound represented by Chemical Formula 1; and (D) a polymerization initiator. A resin layer manufactured utilizing the curable composition, and a display device including the resin layer are also provided. In Chemical Formula, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: October 3, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jinsuop Youn, Youn Je Ryu, Bumjin Lee, Jiyoung Jeong, Jong Kyu Choi
  • Patent number: 11775851
    Abstract: A user verification method and apparatus using a generalized user model is disclosed, where the user verification method includes generating a feature vector corresponding to a user based on input data corresponding to the user, determining a first parameter indicating a similarity between the feature vector and an enrolled feature vector enrolled for user verification, determining a second parameter indicating a similarity between the feature vector and a user model corresponding to generalized users, and verifying the user based on the first parameter and the second parameter.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: October 3, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dohwan Lee, Kyuhong Kim, Chang Kyu Choi
  • Publication number: 20230303315
    Abstract: A smart pod is used for safe and convenient loading and unloading of cargo as well as fast and efficient transport thereof, and a mobility system transports the smart pod. The smart pod includes an upper surface, a lower surface, and a pair of first sidewalls connecting the upper surface and the lower surface to each other. The first sidewalls have a hexagonal shape, and a fastening protrusion is installed on the upper surface and configured to retract from the upper surface.
    Type: Application
    Filed: August 10, 2022
    Publication date: September 28, 2023
    Inventors: Jae Hoon Chung, Jong Min Oh, Ji A Lee, Ki Seok Sung, Jong Kyu Choi, Young Jun Byun, Kye Yoon Kim, Ji Min Han
  • Publication number: 20230305110
    Abstract: The present disclosure relates to a system and method for detecting an object abnormality symptom based on a radar micro-Doppler. The system for detecting an object abnormality symptom based on a radar micro-Doppler includes a multiple input multiple output (MIMO) system configured to determine whether an object has a suspicious abnormality symptom by collecting information of the object and a beamforming antenna system configured to form an antenna radiation beam toward the object based on a result of the determination for the object having the suspicious abnormality symptom and to obtain three-dimensional (3D) micro-Doppler information.
    Type: Application
    Filed: November 7, 2022
    Publication date: September 28, 2023
    Inventors: Won Kyu CHOI, Se Han KIM, You Jin KIM, Jae-young JUNG