Patents by Inventor Sung-Keun Lim

Sung-Keun Lim 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).

  • Patent number: 11974442
    Abstract: A semiconductor device includes a stack structure including first electrodes and insulating layers alternately stacked on each other, a second electrode passing through the stack structure, and variable resistance patterns each interposed between the second electrode and a corresponding one of the first electrodes. Each of the first electrodes includes a first sidewall facing the second electrode, and each of the insulating layers includes a second sidewall facing the second electrode. At least a part of each of the variable resistance patterns protrudes farther towards the second electrode than the second sidewall.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: April 30, 2024
    Assignee: SK hynix Inc.
    Inventors: Hyung Keun Kim, Jun Ku Ahn, Jun Young Lim, Sung Lae Cho
  • Patent number: 11958874
    Abstract: According to the embodiment of the present disclosure, an organo tin compound is represented by the following Chemical Formula 1: In Chemical Formula 1, L1 and L2 are each independently selected from an alkoxy group having 1 to 10 carbon atoms and an alkylamino group having 1 to 10 carbon atoms, R1 is a substituted or unsubstituted aryl group having 6 to 8 carbon atoms, and R2 is selected from a substituted or unsubstituted linear alkyl group having 1 to 4 carbon atoms, a branched alkyl group having 3 to 4 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an allyl group having 2 to 4 carbon atoms.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: April 16, 2024
    Assignees: EGTM Co., Ltd., SK hynix Inc.
    Inventors: Jang Keun Sim, Sung Jun Ji, Tae Young Lee, Shin Beom Kim, Sun Young Baik, Tae Hwan Lim, Dong Kyun Lee, Sang Hyun Lee, Su Pill Chun
  • Patent number: 11951890
    Abstract: Proposed are a seat side bolster apparatus and a control method thereof. The seat side bolster apparatus of the disclosure includes a driving unit, which is provided under a foam pad of a seat cushion, is moved upwards and downwards by operation of an actuator, and presses the foam pad upwards when moving upwards, and a covering bracket, which is connected to the driving unit so as to be moved upwards and downwards together with the driving unit and to which an end of a covering enveloping the foam pad of the seat cushion is fixed.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: April 9, 2024
    Assignee: HYUNDAI TRANSYS INCORPORATED
    Inventors: Jae Keun Park, Do Hyun Kim, Sung Hyun Jo, Seung Joon Lee, Jae Sang Lim
  • Publication number: 20240059157
    Abstract: A control apparatus of an electric vehicle includes a twin clutch including a first clutch and a second clutch and configured to adjust power transmission from a drive motor to a first rear wheel and a second rear wheel of the vehicle through the first clutch corresponding to the first rear wheel and the second clutch corresponding to the second rear wheel, a vehicle controller electrically connected to the drive motor and configured to, when an entering condition for entering an oversteer mode is satisfied, determine an initial regenerative braking torque for entering the oversteer mode, determine a target slip ratio of the first and second rear wheels, and control the regenerative braking torque of the drive motor to follow the target slip ratio, and a clutch controller electrically connected to the twin clutch and configured to adjust clutch torques of the first clutch and the second clutch of the twin clutch so that slip ratios of the first and second rear wheels are synchronized.
    Type: Application
    Filed: May 22, 2023
    Publication date: February 22, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI WIA CORPORATION
    Inventors: Taewoo LEE, Jeong Won SONG, Woocheol CHO, Joonhee LEE, Kyunghan MIN, Sung Keun LIM, JunSeok PARK, Jong Chan LEE, Heon KANG
  • Publication number: 20240034158
    Abstract: An apparatus for controlling an electric vehicle includes: a twin clutch including first and second clutches and for controlling power supplied from a driving motor to first and second rear wheels through the first clutch and the second clutch; a vehicle controller for calculating a target slip rate of the rear wheels and controlling a regenerative braking torque by the driving motor to follow the target slip rate when an entry condition for entering a drifted driving mode of the vehicle is satisfied; and a clutch controller for controlling the slip rates of the left and right rear wheels to be synchronized by adjusting clutch torques of the first and second clutches of the twin clutch.
    Type: Application
    Filed: November 2, 2022
    Publication date: February 1, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI WIA CORPORATION
    Inventors: Taewoo Lee, Jeong Won Song, Woocheol Cho, Joonhee Lee, Kyunghan Min, Sung Keun Lim, Junseok Park, Jong Chan Lee, Heon Kang
  • Patent number: 11840235
    Abstract: An electric vehicle includes a drive motor configured for generating power required for driving of the vehicle, a twin clutch which may include a first clutch and a second clutch and configured to adjust distribution of the power supplied from the drive motor to a first drive wheel and a second drive wheel of the vehicle through the first clutch corresponding to the first drive wheel and the second clutch corresponding to the second drive wheel, and a controller electrically connected to the twin clutch and configured to, when a control condition for a deceleration turning of the vehicle is satisfied, determine a control torque of the twin clutch as a larger value of an initial torque to prevent slip of the twin clutch and a base torque determined based on output torque of the drive motor, and distribute the control torque to the first clutch and the second clutch depending on a drive mode of the vehicle.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: December 12, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Hyundai WIA Corporation
    Inventors: Taewoo Lee, Jeong Won Song, Sung Keun Lim, Junseok Park, Jong Chan Lee, Heon Kang
  • Publication number: 20230378335
    Abstract: The present disclosure provides a semiconductor device with a multi-bridge channel field effect transistor. In some embodiments, a semiconductor device includes a substrate, an active pattern that extends in a first horizontal direction on the substrate, a first nanosheet, a second nanosheet, and a gate electrode. The first nanosheet is spaced apart from the active pattern in a vertical direction, and includes a first layer, a second layer disposed on and in contact with the first layer, and a third layer disposed on and in contact with the second layer. The first and third layers include a first material, and the second layer includes a different second material. The second nanosheet is disposed on the first nanosheet and spaced apart from the first nanosheet in the vertical direction. The gate electrode extends in a second horizontal direction on the active pattern and surrounds the first and second nanosheets.
    Type: Application
    Filed: December 7, 2022
    Publication date: November 23, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Keun LIM, Hyo Hoon BYEON, Do Hyun GO, Un Ki KIM, Yu Yeong JO, Jin Yeong CHO
  • Publication number: 20230147926
    Abstract: A method of controlling an electric vehicle including twin clutches includes twin clutches for the electric vehicle driven by power of a drive motor and includes determining, by a clutch controller, whether a releasing condition for releasing engagement of the twin clutches is satisfied, controlling, by the clutch controller, the twin clutches to 0 torque when the releasing condition is satisfied, controlling the drive motor to 0 rpm by a vehicle controller when a torque applied to the twin clutches is less than a predetermined torque, and controlling the drive motor to 0 torque when a speed of the drive motor is less than a predetermined speed.
    Type: Application
    Filed: September 19, 2022
    Publication date: May 11, 2023
    Inventors: Taewoo LEE, Jeong Won SONG, Sung Keun LIM, JunSeok PARK, Jong Chan LEE, Heon KANG
  • Publication number: 20230148006
    Abstract: A driving force distribution device includes a lubrication path LP supplying lubricating oil from an oil inlet positioned on the case outside a cylinder into a hub of each clutch unit through an oil hole positioned between an external surface of the cylinder of each operation unit and a bearing supporting the same, between a spacer supporting the bearing and a snap ring supporting the spacer, between an internal diameter of the cylinder of each operation unit and an external diameter of a drum of each clutch unit, and in the drum of each clutch unit, allowing left and right lubrication paths for lubrication of left and right clutch units to have the shortest length, and simultaneously, each flow path to have an increased size.
    Type: Application
    Filed: August 3, 2022
    Publication date: May 11, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Wia Corporation
    Inventors: Taewoo Lee, Jeong Won Song, Sung Keun Lim, JunSeok Park, Yeong Taek Lee, Won Hee Hong, Ji Seung Ryu
  • Publication number: 20230125472
    Abstract: A predictive traction control system may include: a road surface conditions information providing unit mounted on a vehicle driven by a driving motor, to detect and output an upstream road surface condition in a travelling direction of the vehicle; and a predictive control unit electrically connected to the road surface conditions information providing unit, determining an entry or release of the predictive traction control using information on road surface conditions input from the road surface conditions information providing unit, and calculating target driving motor speed for controlling the driving motor and transmitting the same.
    Type: Application
    Filed: February 23, 2022
    Publication date: April 27, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jong Yun Jeong, Sung Keun Lim, Sun Young Lee
  • Patent number: 11614132
    Abstract: An apparatus of controlling a twin clutch includes: a twin clutch that selectively blocks power supplied from a drive motor to a pair of drive wheels of a vehicle; and a clutch controller that is configured to control the twin clutch by determining target torques applied to respective clutches included in the twin clutch, based on the straight-line driving state detected by the driving information detection unit, determining a correction error based on a difference between actual torques applied to the respective clutches included in the twin clutch when a preliminary activation signal, which is determined based on the target torques, is turned on and a main activation signal, which is determined based on the actual torques applied to the respective clutches, is turned on, determining a balancing control compensation amount based on the correction error, and determining a final control amounts applied to the respective clutches based on the balancing control compensation amount.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: March 28, 2023
    Assignees: Hyundai Motor Company, KIA CORPORATION, HYUNDAI WIA CORPORATION
    Inventors: Taewoo Lee, Jeong Won Song, Sung Keun Lim, JunSeok Park, Pu Reun Lee, Jong Chan Lee, Heon Kang
  • Publication number: 20230039043
    Abstract: A traction control method and a traction control apparatus for a vehicle are provided. The traction control method includes: estimating driving torque for each wheel and a difference between left and right wheel rotation speeds; determining a situation, in which the difference between the left and right wheel rotation speeds exceeds a first set value, to be a split wheel spin situation; estimating a maximum coefficient of friction between a spinning wheel and a road surface in the split wheel spin situation and estimating a maximum driving torque, at which the road surface is acceptable, by the maximum coefficient of friction; and obtaining a difference between driving torque of the spinning wheel and the maximum driving torque to calculate a road surface limitation excess driving torque and determining entry into traction control when the road surface limitation excess driving torque exceeds a second set value.
    Type: Application
    Filed: December 16, 2021
    Publication date: February 9, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Yoon Seong JEON, Chung Hee HAN, Sung Keun LIM, Jae Min YUN
  • Publication number: 20220410852
    Abstract: A method for controlling corrected target hydraulic brake force to be generated by estimating friction coefficient variation depending on a bushing degree of a brake friction material and a season change, may include: determining a hydraulic brake torque required for hydraulic braking according to a driver's request brake torque; converting the hydraulic brake torque into a brake hydraulic pressure by use of a torque factor which is a friction capability of a brake friction material in the hydraulic brake torque; and determining a correction amount of the torque factor according to a season and a bushing degree of the brake friction material, which influences a friction coefficient which is an element of the torque factor.
    Type: Application
    Filed: December 1, 2021
    Publication date: December 29, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Byeong-Cheol Yang, Gwi-Chul Kim, Sung-In Ju, Sung-Keun Lim, Se-Won Chun
  • Publication number: 20200194235
    Abstract: An apparatus for manufacturing a semiconductor device includes: a process chamber including a plasma processing space; and a substrate supporter arranged in the process chamber and configured to support a substrate, wherein the substrate supporter includes: a base including a plurality of lift pin holes, each configured to accommodate a lift pin; and a seal band having a ring shape and protruding from the base, the seal band having an inner diameter that is less than a pitch circle diameter of the plurality of lift pin holes.
    Type: Application
    Filed: June 24, 2019
    Publication date: June 18, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ki-hwan KIM, Yeon-tae KIM, Kee-soo PARK, Pan-kwi PARK, Jin-ah LEE, Chang-yun LEE, Sung-keun LIM, Min-ho CHOI, Eun-sok CHOI
  • Patent number: 10596902
    Abstract: A method of controlling implementation of a drift driving state of a vehicle, may include a slip inducement step, wherein in a state that drift mode is selected, when a vehicle enters into rotary driving and is in a power-on state, a controller reduces front wheel distribution torque of all-wheel drive (AWD) system in comparison to cases other than the drift mode; a slip torque control step, wherein when a rear wheel slip of the vehicle is generated, the controller allows the vehicle to enter into drifting by adding slip control torque according to lateral acceleration of the vehicle to the front wheel distribution torque; and a drift maintenance step, wherein when a counter steering state by a driver is confirmed, the controller maintains a drift driving state of the vehicle by releasing all the front wheel distribution torque.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: March 24, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, HYUNDAI WIA CORPORATION
    Inventors: Sung Keun Lim, Ji Woong Yi
  • Publication number: 20190337385
    Abstract: A method of controlling implementation of a drift driving state of a vehicle, may include a slip inducement step, wherein in a state that drift mode is selected, when a vehicle enters into rotary driving and is in a power-on state, a controller reduces front wheel distribution torque of all-wheel drive (AWD) system in comparison to cases other than the drift mode; a slip torque control step, wherein when a rear wheel slip of the vehicle is generated, the controller allows the vehicle to enter into drifting by adding slip control torque according to lateral acceleration of the vehicle to the front wheel distribution torque; and a drift maintenance step, wherein when a counter steering state by a driver is confirmed, the controller maintains a drift driving state of the vehicle by releasing all the front wheel distribution torque.
    Type: Application
    Filed: October 9, 2018
    Publication date: November 7, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, HYUNDAI WIA CORPORATION
    Inventors: Sung Keun Lim, Ji Woong Yi
  • Patent number: 10001176
    Abstract: An apparatus for adjusting a clearance of a clutch cable for a vehicle is arranged to rotate a clutch pedal forward using an elastic force of a reverse return spring to allow a back surface of the clutch pedal be spaced apart from a pedal member, control a length of the clutch cable using a mechanical clearance adjusting mechanism, and secure a uniform gap between the pedal member and a back surface of the clutch pedal by adjusting the length of the clutch cable.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: June 19, 2018
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yeong Jik Kim, Min Su Kang, Sung Keun Lim, Woo Duck Kim
  • Patent number: 9914451
    Abstract: The present invention relates to an electronic 4WD system having reinforced ABS cooperative control performance, in which an ABS ACT signal by an ABS (Anti-Lock Brake System) controller and a 4WD_OPEN signal by the ESC (Electronic Stability Control) controller are used. When the ABS ACT signal and the 4WD_OPEN signal are recognized, it is determined that it is an ESC vehicle and a 4WD mode is stopped. When only the ABS ACT signal is recognized, it is determined that it is an ABS vehicle and the intention of a user is determined on the basis of whether a brake pedal has been pressed down or an accelerator pedal has been released, and then a 4WD mode is stopped.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: March 13, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventor: Sung-Keun Lim
  • Patent number: 9604624
    Abstract: A method of controlling traveling of a vehicle may include a measuring step that measures a longitudinal acceleration sensing value by a longitudinal acceleration sensor on a vehicle, a longitudinal acceleration calculating step that calculates a longitudinal acceleration of the vehicle from a speed of the vehicle, a slope degree calculating step that calculates a slope degree of a ground on which the vehicle is, from the longitudinal acceleration sensing value and the calculated longitudinal acceleration, a determining step that determines a slope direction and a slope level of the ground from the calculated slope degree, and a controlling step that provides in advance a torque amount, which is distributed from main driving wheels to sub-driving wheels for traveling, to a power distribution device, at different levels in accordance with the slope direction and the slope level of the ground.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: March 28, 2017
    Assignees: Hyundai Motor Company, Hyundai Wia Corporation
    Inventors: Sung Keun Lim, Ji Soo Lee, Heon Kang
  • Publication number: 20170045094
    Abstract: An apparatus for adjusting a clearance of a clutch cable for a vehicle is arranged to rotate a clutch pedal forward using an elastic force of a reverse return spring to allow a back surface of the clutch pedal be spaced apart from a pedal member, control a length of the clutch cable using a mechanical clearance adjusting mechanism, and secure a uniform gap between the pedal member and a back surface of the clutch pedal by adjusting the length of the clutch cable.
    Type: Application
    Filed: November 24, 2015
    Publication date: February 16, 2017
    Inventors: Yeong Jik Kim, Min Su Kang, Sung Keun Lim, Woo Duck Kim