Patents by Inventor Young Sik Kim

Young Sik Kim 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: 20250256500
    Abstract: A display device includes a cover window including a curved portion, and a panel member laminated on the cover window. A method of manufacturing a display device includes mounting a cover window including a curved portion on a first jig including a curved portion, mounting a panel member on a second jig that conforms to a surface of the first jig, and laminating the cover window to the panel member by moving a first one of the first jig or the second jig to a first other one of the first jig or the second jig. An apparatus for manufacturing a display device includes a first jig including a mount surface that is partially curved to conform to a surface of a cover window, a second jig including a surface conforming to the mount surface and configured to contact a panel member, and a driving unit.
    Type: Application
    Filed: April 30, 2025
    Publication date: August 14, 2025
    Inventors: Kyung-Su Lee, Kwan-Young Han, Jong-Hwan Kim, Yong-Youl Cho, Young-Sik Kim, Yang-Han Son, Dae-Hyun Hwang
  • Publication number: 20250196694
    Abstract: An embodiment charging facility configured to treat a communication delay during a charging operation includes one or more processors and a storage device storing a program to be executed by the one or more processors, the program including instructions to determine whether the communication delay has occurred based on communication messages transmitted to and received from an electric vehicle at a start of the charging operation and reduce a charging current provided to the electric vehicle in response to a determination that the communication delay has occurred.
    Type: Application
    Filed: June 14, 2024
    Publication date: June 19, 2025
    Inventor: Young Sik Kim
  • Patent number: 12316738
    Abstract: In a client-server model for generating a rotation operation key in fully homomorphic encryption, a client transmits a public key and a hierarchical Galois key generated using a secret key to a server, and the server performs a rotation operation on the public key using the hierarchical Galois key to directly generate one or more rotation operation keys, so that the server may generate a rotation operation key if necessary while computational burden and communication cost of the client are reduced.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: May 27, 2025
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHOSUN UNIVERSITY
    Inventors: Jong Seon No, Joon Woo Lee, Young Sik Kim
  • Patent number: 12316750
    Abstract: A homomorphic encryption operation key management system receives a public key and a hierarchical Galois key from a client device, verifies validity of a token in response to receiving the token and a request for a homomorphic encryption operation key for the client device from a server, and generates the homomorphic encryption operation key using the public key and the hierarchical Galois key and transmits the homomorphic encryption operation key to the server when the token is valid.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: May 27, 2025
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHOSUN UNIVERSITY
    Inventors: Jong Seon No, Joon Woo Lee, Young Sik Kim
  • Patent number: 12317428
    Abstract: A display device includes a cover window including a curved portion, and a panel member laminated on the cover window. A method of manufacturing a display device includes mounting a cover window including a curved portion on a first jig including a curved portion, mounting a panel member on a second jig that conforms to a surface of the first jig, and laminating the cover window to the panel member by moving a first one of the first jig or the second jig to a first other one of the first jig or the second jig. An apparatus for manufacturing a display device includes a first jig including a mount surface that is partially curved to conform to a surface of a cover window, a second jig including a surface conforming to the mount surface and configured to contact a panel member, and a driving unit.
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: May 27, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Su Lee, Kwan-Young Han, Jong-Hwan Kim, Yong-Youl Cho, Young-Sik Kim, Yang-Han Son, Dae-Hyun Hwang
  • Publication number: 20250130669
    Abstract: A display device includes: a display driver for displaying an image on a display panel of the display device, and generating a mode control signal indicating whether the display panel includes at least one of a first display area and a second display area; and a sensor driver for setting a touch sensitivity of a first touch area of the display device corresponding to the first display area and a touch sensitivity of a second touch area of the display device correspond to the second display area, based on the mode control signal.
    Type: Application
    Filed: June 25, 2024
    Publication date: April 24, 2025
    Inventors: Soo Won KIM, Hyun Jae LEE, Young Sik KIM, Yun Ho KIM, Young Seok YOO
  • Publication number: 20250130657
    Abstract: A display device includes: a first sensor driver connected to a first sensor unit including a first-analog-front end, a first analog-to-digital converter, and a digital signal processor; and a second sensor driver connected to a second sensor unit including a second-analog-front end, and a second analog-to-digital converter. In a first mode, the first-analog-front end and the first analog-to-digital converter generate first sensing information for the first sensor unit, the second sensor driver does not operate, and the digital signal processor processes the first sensing information based on a first setting value for the first sensor unit. In a second mode, the first-analog-front end and the first analog-to-digital converter do not operate, the second-analog-front end and the second analog-to-digital converter generate second sensing information for the second sensor unit, and the digital signal processor processes the second sensing information based on a second setting value for the second sensor unit.
    Type: Application
    Filed: May 13, 2024
    Publication date: April 24, 2025
    Inventors: Soo Won KIM, Hyun Jae LEE, Young Sik KIM, Tae Joon KIM
  • Patent number: 12231544
    Abstract: A processor-implemented method with homomorphic encryption includes: receiving a first ciphertext corresponding to a first modulus; generating a second ciphertext corresponding to a second modulus by performing modulus raising on the first ciphertext; and performing bootstrapping by encoding the second ciphertext using a commutative property and an associative property of operations included in a rotation operation.
    Type: Grant
    Filed: November 28, 2023
    Date of Patent: February 18, 2025
    Assignees: SAMSUNG ELECTRONICS CO., LTD., Seoul National University R&DB Foundation, Industry Academic Cooperation Foundation, Chosun University
    Inventors: Jong-Seon No, Yongwoo Lee, Young-Sik Kim
  • Patent number: 12225670
    Abstract: A display device includes a cover window including a curved portion, and a panel member laminated on the cover window. A method of manufacturing a display device includes mounting a cover window including a curved portion on a first jig including a curved portion, mounting a panel member on a second jig that conforms to a surface of the first jig, and laminating the cover window to the panel member by moving a first one of the first jig or the second jig to a first other one of the first jig or the second jig. An apparatus for manufacturing a display device includes a first jig including a mount surface that is partially curved to conform to a surface of a cover window, a second jig including a surface conforming to the mount surface and configured to contact a panel member, and a driving unit.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: February 11, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Su Lee, Kwan-Young Han, Jong-Hwan Kim, Yong-Youl Cho, Young-Sik Kim, Yang-Han Son, Dae-Hyun Hwang
  • Publication number: 20250036943
    Abstract: A processor-implemented method includes receiving data for performing a neural network operation of homomorphic encrypted data and a parameter for generating an approximate polynomial corresponding to the neural network operation, obtaining layer information corresponding to each of a plurality of layers configuring a neural network based on the data, determining layer importance corresponding to each of the plurality of layers, based on the parameter and the layer information, generating an approximate polynomial approximating the neural network operation for each of the plurality of layers, based on the layer importance, and generating an operation result by performing the neural network operation based on the approximate polynomial.
    Type: Application
    Filed: July 1, 2024
    Publication date: January 30, 2025
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation, Industry-Academic Cooperation Foundation, Chosun University, Chung Ang University Industry Academic Cooperation Foundation, POSTECH Research and Business Development Foundation
    Inventors: Yongjune KIM, Junghyun LEE, Young-Sik KIM, Jong-Seon NO, Jiheon WOO, Eunsang LEE, Joon-Woo LEE
  • Publication number: 20250036926
    Abstract: An operation method of performing a neural network operation of fully homomorphic encrypted data is provided. The operation method includes: receiving data for performing the neural network operation and receiving a parameter for generating an approximation polynomial corresponding to the neural network operation; obtaining layer information corresponding to layers of a neural network model, the layer information based on the data; determining importances of the layers, respectively, wherein the determining of the importances is based on the parameter and the layer information; generating an approximation polynomial approximating the neural network operation for each of the layers, wherein the generating is based on the layer importance; and generating an operation result by performing the neural network operation based on the approximation polynomial, wherein the parameter includes a computation time condition that the neural network operation must satisfy.
    Type: Application
    Filed: June 25, 2024
    Publication date: January 30, 2025
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation, Industry-Academic Cooperation Foundation, Chosun University, CHUNG ANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION, POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Joon-Woo LEE, Junghyun LEE, Yongjune KIM, Young-Sik KIM, Jong-Seon NO, Eunsang LEE
  • Publication number: 20250013327
    Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.
    Type: Application
    Filed: September 23, 2024
    Publication date: January 9, 2025
    Inventors: Do Ik KIM, Ga Young KIM, Sang Hyun LIM, Young Sik KIM, Sang Chul LEE, Hwan Hee JEONG
  • Publication number: 20250015491
    Abstract: A display device includes a display panel that includes a display area that displays an image, a non-display area disposed at an edge of the display area, and an antenna area that protrudes in a first direction from a part of the non-display area, and an antenna driving substrate electrically connected to an antenna array through an antenna pad disposed adjacent to an end of the antenna area. The antenna array is disposed at a boundary between the antenna area and a portion of the non-display area adjacent to the antenna area. The antenna array includes a plurality of antennas that generate polarized waves in a second direction perpendicular to the first direction and that are disposed at intervals along the second direction, and a shielding member disposed between adjacent antennas and connected to a ground line.
    Type: Application
    Filed: March 19, 2024
    Publication date: January 9, 2025
    Inventors: Ki Seo KIM, Jung Suek Oh, Byeong Jin Kim, Young Sik Kim, Jeong Taek Oh, Jae Uk Choi
  • Patent number: 12192320
    Abstract: Disclosed is an encryption method and apparatus. The encryption method using homomorphic encryption may include generating a ciphertext by encrypting data, and bootstrapping the ciphertext by performing a modular reduction based on a selection of one or more target points for a modulus corresponding to the ciphertext.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: January 7, 2025
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation, Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Jong-Seon No, Joonwoo Lee, Young-Sik Kim, Yongwoo Lee, Eunsang Lee
  • Patent number: 12187073
    Abstract: A method for manufacturing a one-piece wheel by forging includes: producing an integral forging comprising: a disc portion, a rim portion, and an annular protrusion protruding from one side of the disc portion in a forging method; producing an outer bend by bending the annular protrusion through a flow-forming process; and forming a hollow portion by welding one end of the outer bend to one side of the rim portion.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: January 7, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HANDS CORPORATION Ltd.
    Inventors: Young-Chan Kim, Young-Rae Jo, Jun-Min Lee, Byoung-Ok Park, Young-Sik Kim, Geon-Ki Han
  • Publication number: 20240379037
    Abstract: A method for driving a display device is performed by the display device. The method includes: displaying a first image including user convenience information through a display panel; generating sensing data corresponding to a fingerprint sensing area by using a photoelectric sensor; and determining whether a sensed fingerprint corresponding to the sensing data is a fake fingerprint by comparing expected sensing light illuminance information based on the first image with sensed light illuminance information of the sensing data. The first image includes a first color pattern in the fingerprint sensing area of the display panel. A fake-determination image pattern includes the first color pattern and a second color pattern different from the first color pattern.
    Type: Application
    Filed: July 23, 2024
    Publication date: November 14, 2024
    Inventors: Soon Gyu LEE, Jin Woo KIM, Jin A KANG, Young Sik KIM
  • Patent number: 12132200
    Abstract: The present disclosure provides a positive electrode for a secondary battery which includes a positive electrode active material and a lithium-based alloy. Also, the present disclosure provides a method of preparing the positive electrode for a secondary battery which includes the steps of forming a positive electrode material mixture layer including a positive electrode active material and forming a coating layer including a lithium-based alloy on the positive electrode material mixture layer, or forming a positive electrode material mixture layer by coating a positive electrode collector with a slurry for forming a positive electrode, which includes a positive electrode active material and a lithium-based alloy, and rolling the positive electrode collector.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: October 29, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Ju Ri Kim, Seok Koo Kim, Sun Kyu Kim, Young Sik Kim, Jooyong Song, Hyun Woo Kim, Young Jun Lim
  • Publication number: 20240353080
    Abstract: An external lighting apparatus delivers various messages through selective lighting by applying a lighting function to the exterior of a vehicle. The apparatus includes a light source module with a plurality of light sources and a light guide in which light emitted from the light sources is incident. The light guide reflects the incident light so that the light travels in different areas. The apparatus has a light cover composed of a plurality of transmission parts into which the light, travelling in different areas via the light guide, is incident. The light is emitted to different lighting areas through each transmission part to create a plurality of illumination images.
    Type: Application
    Filed: September 25, 2023
    Publication date: October 24, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI MOBIS CO., LTD., PLAKOR CO., LTD., HATBIT ILLUCOM CO., LTD
    Inventors: Jin Young Yoon, Dong Eun Cha, Hong Heui Lee, Seong Kwon Kim, Byung Lea Cho, Youn Woo Park, Seok Heon Yoon, Jae Gyun Sa, Young Sik Kim, Young Ho Cha
  • Patent number: 12111034
    Abstract: An external lighting apparatus delivers various messages through selective lighting by applying a lighting function to the exterior of a vehicle. The apparatus includes a light source module with a plurality of light sources and a light guide in which light emitted from the light sources is incident. The light guide reflects the incident light so that the light travels in different areas. The apparatus has a light cover composed of a plurality of transmission parts into which the light, travelling in different areas via the light guide, is incident. The light is emitted to different lighting areas through each transmission part to create a plurality of illumination images.
    Type: Grant
    Filed: September 25, 2023
    Date of Patent: October 8, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI MOBIS CO., LTD., PLAKOR CO., LTD., HATBIT ILLUCOM CO., LTD
    Inventors: Jin Young Yoon, Dong Eun Cha, Hong Heui Lee, Seong Kwon Kim, Byung Lea Cho, Youn Woo Park, Seok Heon Yoon, Jae Gyun Sa, Young Sik Kim, Young Ho Cha
  • Patent number: 12105585
    Abstract: Provided is a bit error rate equalizing method of a memory device. The memory device selectively performs an error correction code (ECC) interleaving operation according to resistance distribution characteristics of memory cells, when writing a codeword including information data and a parity bit of the information data to a memory cell array. In the ECC interleaving operation according to one example, an ECC sector including information data is divided into a first ECC sub-sector and a second ECC sub-sector, the first ECC sub-sector is written to memory cells of a first memory area having a high bit error rate (BER), and the second ECC sub-sector is written to memory cells of a second memory area having a low BER.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-chu Oh, Moo-sung Kim, Young-sik Kim, Yong-jun Lee, Jeong-ho Lee