Patents by Inventor Keun Lim

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: 11959886
    Abstract: The present invention relates to a scanner having a flexible probe which is an apparatus capable of being utilized for an inspection on a weld zone of a general ferrite material and a stainless material and allowing an inspection to be performed on a fitting weld zone where it is difficult for a general phased array ultrasonic testing (PAUT) probe to approach.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: April 16, 2024
    Assignees: Foundation for Research and Business, Seoul National University of Science and Technology, Korea Inspection Eng.Co., Ltd
    Inventors: Ik Keun Park, Yu Min Choi, Seong Jin Lim, In Gon Jung, Hye Jin Park
  • 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
  • Patent number: 11953948
    Abstract: An apparatus for locking a portable computer includes an apparatus body, a first clamping member rotatably coupled to the apparatus body, configured to support a first side of a computer body of the portable computer, and configured to be fitted over a first edge of a display of the portable computer, a slider coupled to the apparatus body to be reciprocally movable, a second clamping member rotatably coupled to the slider while being spaced apart from the first clamping member, configured to support a second side of the computer body of the portable computer, and configured to be fitted over a second edge of the display of the portable computer, and a locking and unlocking unit installed on the apparatus body and configured to selectively restrict or allow movement of the slider.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: April 9, 2024
    Assignee: COMXI Co., Ltd.
    Inventors: Byong Ju Bae, Dong Keun Oh, Hyun Soo Lim, Yong Seop Lee
  • Publication number: 20240105108
    Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.
    Type: Application
    Filed: April 19, 2023
    Publication date: March 28, 2024
    Inventors: Hae Kwan SEO, Bon Seog GU, Jin Young ROH, Jae Keun LIM
  • Patent number: 11943987
    Abstract: A color conversion substrate and a display device are provided. The color conversion substrate includes a base substrate, a first color filter and a second color filter disposed on a surface of the base substrate, a first partition layer disposed between the first color filter and the second color filter, a second partition layer disposed on the first partition layer, a first wavelength conversion pattern disposed on the first color filter and a second wavelength conversion pattern disposed on the second color filter, wherein the first partition layer includes a first lower surface disposed on the first color filter and a second lower surface disposed on the second color filter.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gak Seok Lee, Byung Chul Kim, In Ok Kim, Jae Min Seong, In Seok Song, Keun Chan Oh, Ji Eun Jang, Chang Soon Jang, Sun Kyu Joo, Ha Lim Ji
  • Patent number: 11942030
    Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hae Kwan Seo, Bon Seog Gu, Jin Young Roh, Jae Keun Lim
  • Publication number: 20240078974
    Abstract: A display device including: a power supply configured to supply a first power, a second power, and a third power to a first power line, a second power line, and a third power line, respectively, wherein each of the first power, the second power and the third power varies in voltage level during one frame period; and pixels connected to at least one of scan lines and data lines, and connected to a common control line, the first power line, the second power line, and the third power line, wherein the pixels simultaneously emit light when the second power is changed to a low level, and a number of times the second power is changed to the low level during the one frame period changes in response to an image refresh rate.
    Type: Application
    Filed: June 6, 2023
    Publication date: March 7, 2024
    Inventors: Hong Soo KIM, Myung Woo LEE, Suk Hun LEE, Jae Keun LIM
  • Patent number: 11920856
    Abstract: A refrigerator includes a storage chamber having an opening; a drawer type door to open or close the opening; a display positioned at the drawer type door; a first connector provided at a sidewall of the storage chamber; a second connector provided at the drawer type door and being electrically connected to the display; a first frame coupled to an inner wall of the storage chamber, the first frame to cover the first connector; a second frame coupled to the drawer type door, the second frame to support a storage box; and a wire electrically connected between the first connector and the second connector. The first frame has a first accommodating part to accommodate one portion of the wire and the second frame has a second accommodating part to accommodate another portion of the wire.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Myung Han, Jae Hoon Lim, Gi Joong Jeong, Woo Yeol Yoo, Jong Eun Chae, Sun keun Lee
  • 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
  • Patent number: 11900737
    Abstract: According to one embodiment of the present disclosure, there is provided a failure diagnosis device used for diagnosing the presence of failure or abnormal operation of a wheel bearing. The failure diagnosis device according to one embodiment of the present disclosure may comprise a housing; a magnetic coupling part provided in the housing; and a sensing part provided in the housing and configured to detect physical characteristic related to an operational state of a vehicle. According to one embodiment of the present disclosure, the sensing part may comprise an acceleration sensor configured to collect acceleration information, and the failure diagnosis device may be configured to be detachably mounted to one side of a wheel by virtue of a magnetic force generated by the magnetic coupling part.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: February 13, 2024
    Assignee: ILJIN GLOBAL Co., Ltd
    Inventors: Jong Keun Lim, Seok Woo Lee, Kyeong Hyeon Kim
  • 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
  • Patent number: 11837143
    Abstract: A display apparatus including: a display panel configured to display an image based on input image data; a data driver configured to output a data voltage to the display panel; and a driving controller configured to determine a driving frequency of the display panel based on flicker values for grayscale values of the input image data and output a driving frequency signal representing the driving frequency of the display panel to a host.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: December 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Jin Lee, Jae Keun Lim, Hong Soo Kim, Jinyoung Roh, Sehyuk Park
  • 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
  • Patent number: 11763725
    Abstract: A display device of the invention includes: a pixel portion including first pixel rows connected to first scan lines and second pixel rows connected to second scan lines; a scan driver including first and second stages connected to the first scan lines and the second scan lines; and a data driver connected to the first and second pixel rows through same data lines. The first stages are connected to first clock lines, the second stages are connected to second clock lines, a first start stage of the first stages and a second start stage of the second stages are connected to a same scan start line, each first stage excluding the first start stage is connected to a first scan line of a previous first stage, and each second stage excluding the second start stage is connected to a second scan line of a previous second stage.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Keun Lim, Han Bit Kim, Hong Soo Kim, Jin Young Roh, Se Hyuk Park, Hyo Jin Lee
  • Publication number: 20230256854
    Abstract: A device for charging an electric vehicle includes a charging inlet for receiving charging information and power from electric vehicle supply equipment (EVSE); a control module for determining a charging mode on the basis of the charging information, and outputting a control signal according to the determined charging mode; and a charging unit for charging a battery of the electric vehicle according to the control signal from the control module.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 17, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Kwang Seob SHIN, Do Hyeong KIM, Hyoung Dong KIM, Myoung Kyu RHEE, Myung Keun LIM, Soo Bum CHO, Jeong Jae JO, Yong Hyun HAN
  • Patent number: 11727867
    Abstract: A pixel of an organic light emitting diode display device includes a capacitor, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor and an organic light emitting diode. The third transistor includes first and second sub-transistors which are coupled to each other in series between a drain of the first transistor and a gate node, and a fourth transistor includes third and fourth sub-transistors which are coupled to each other in series between a line of an initialization voltage and the gate node. The eighth transistor applies a reference voltage to a first node between the first and second sub-transistors in response to an emission signal, and a ninth transistor applies the reference voltage to a second node between the third and fourth sub-transistors in response to the emission signal.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sehyuk Park, Jae Keun Lim, Hong Soo Kim, Jin Young Roh, Hyo Jin Lee
  • Patent number: 11719833
    Abstract: Disclosed are a radon measuring apparatus and method. A radon measuring apparatus according to the present invention can comprise: a housing having two separate spaces and through holes formed such that each space communicates with the outside; a probe unit having first and second probe rods which are respectively disposed inside each space in the opposite direction from each other inside the housing; a control unit disposed inside the housing and connected to the probe unit; and a switching unit for controlling the electrical connection between the first and second probe rods.
    Type: Grant
    Filed: June 4, 2022
    Date of Patent: August 8, 2023
    Assignee: ARIM SCIENCE CO.
    Inventors: Sang In Kim, Hyun Keun Lim, Eun Jung Yun