Patents by Inventor Young Bok Kim

Young Bok 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).

  • Patent number: 11952647
    Abstract: There is provided a ferritic lightweight steel which contains 2.0 to 3.0 wt % manganese (Mn), 5.0 to 6.0 wt % aluminum (Al) and 0.1 to 0.3 wt % carbon (C) and has a tensile strength of 900 MPa to 1,108 MPa. The lightweight steel includes ferrite-austenite dual grains as a result of performing low-temperature tempering-induced partitioning (LTP) at 300° C. for 10 minutes after isothermal annealing.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: April 9, 2024
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
    Inventors: Jae Bok Seol, Hyo Ju Bae, Kwang Gyu Koh, Jung Gi Kim, Hyo Kyung Sung, Young Kook Lee
  • Publication number: 20230344082
    Abstract: A separator for a secondary battery, including: a porous polymer substrate having a first and a second surface; a first coating layer on the first surface of the porous polymer substrate, wherein the first coating layer includes a plurality of inorganic particles and a first binder polymer; a second coating layer on the second surface of the porous polymer substrate, wherein the second coating layer includes a plurality of inorganic particles and the first binder polymer; and a third coating layer between the porous polymer substrate and the first coating layer, and/or between the porous polymer substrate and the second coating layer, wherein the third coating layer includes a second binder polymer. The second binder polymer includes a non-wetting polymer. The present disclosure also relates to a method for manufacturing the separator and a secondary battery including the separator.
    Type: Application
    Filed: September 29, 2021
    Publication date: October 26, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jin-Hyun CHO, Young-Bok KIM, Dong-Wook SUNG, Jong-Yoon LEE
  • Patent number: 11784377
    Abstract: The present disclosure relates to a separator and an electrochemical device including the same. The separator includes a porous coating layer formed on at least one surface of the porous polymer substrate, wherein the porous coating layer includes, as a binder polymer, an amorphous adhesive binder polymer, and at least one fluorinated binder polymer. It is possible to provide a separator which shows low resistance and significantly improved adhesion to an electrode, and an electrochemical device including the same.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: October 10, 2023
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: So-Mi Jeong, Young-Bok Kim, Je-An Lee
  • Patent number: 11776439
    Abstract: A display driver including a crack resistance measurement circuit according to one embodiment of the present disclosure includes a crack resistance measurement circuit connected to a crack resistance circuit of a display panel to measure a crack resistance of the crack resistance circuit, wherein the crack resistance measurement circuit includes a reference resistance generation circuit configured to generate a reference resistance using at least two resistors connected in series and at least two switches connected to correspond to the at least two resistors, a comparator configured to compare a magnitude of the crack resistance with a magnitude of the reference resistance and output a resistance comparison result, and a circuit controller configured to output a reference resistance control signal for controlling the at least two switches according to the resistance comparison result.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: October 3, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Chang Gi Min, Young Tae Kim, Seung Oh Ko, Young Bok Kim
  • Patent number: 11721259
    Abstract: There is disclosed a display driving device configured to drive a display device for displaying an image, including a source driver integrated circuit (IC) configured to convert image data into a source signal, and an energy harvesting device configured to convert thermal energy into electrical energy and supply the electrical energy to the source driver IC, wherein the energy harvesting device includes a thermal energy converter configured to convert thermal energy generated in the source driver IC to output an energy harvesting current, and an energy storage directly connected to the thermal energy converter, and configured to receive the energy harvesting current, store power, and output a first auxiliary voltage that is a voltage generated due to the stored power, wherein the thermal energy converter and the energy storage are located on the source driver IC.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: August 8, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jong Suk Lee, Young Bok Kim
  • Publication number: 20230216139
    Abstract: A method and apparatus for manufacturing a separator, and a separator obtained thereby. The method for manufacturing a separator includes applying a solvent for pore impregnation onto a first surface of a porous polymer substrate, before applying slurry for forming a first porous coating layer and a second porous coating layer. In this manner, it is possible to provide a separator which has a small deviation in physical properties between the porous coating layers on the first surface and the second surface of the porous polymer substrate. The present disclosure relates to a method and apparatus for manufacturing a separator, and a separator obtained thereby. The method for manufacturing a separator according to an embodiment of the present disclosure includes applying a solvent for pore impregnation onto a porous polymer substrate, before applying slurry for forming a porous coating layer thereto.
    Type: Application
    Filed: June 30, 2021
    Publication date: July 6, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Young-Bok KIM, Jong-Yoon LEE, Dong-Wook SUNG
  • Patent number: 11657766
    Abstract: The present disclosure discloses a sensing circuit and a source driver including the same, capable of decreasing influence on the performance of an integrator according to a panel load and reducing a chip area by excluding a feedback capacitor of the integrator. The sensing circuit may convert an input current, received from a display panel, into an output current having linearity and an amount of current smaller than the input current.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: May 23, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Taiming Piao, Young Bok Kim, Won Kim, Byeon Cheol Lee
  • Patent number: 11641267
    Abstract: The present disclosure discloses a clock and data recovery circuit. The clock and data recovery circuit may include a clock recovery unit configured to output a recovery clock signal by operating a first time-to-digital conversion circuit or a second time-to-digital conversion circuit depending on a phase difference between a clock of an input signal and the recovery clock signal, and a data recovery unit configured to sample data from the input signal and output recovery data.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: May 2, 2023
    Assignee: SILICON WORKS CO., LTD
    Inventors: Jong Suk Lee, Young Bok Kim, Chung Hwan Son, Seok Jae Oh, Soo Yeun Lee, Yeh Ju Ka
  • Patent number: 11610553
    Abstract: The present disclosure relates to a technology for adjusting differences among integrated circuits, that may occur in a pixel sensing, using bias voltages, and more particularly, a technology for adjusting a gain or an offset of each integrated circuit by adjusting a bias voltage.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: March 21, 2023
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Taiming Piao, Young Bok Kim, Won Kim, Young Ho Shin
  • Patent number: 11610540
    Abstract: A data driver, a multi-channel sensing circuit and a sensing method thereof are provided. A multi-channel sensing circuit, where a configuration of a sample/hold circuit part is simplified to decrease a circuit area, and a sensing method of the multi-channel sensing circuit are provided. The multi-channel sensing circuit may include a first sample/hold circuit sampling and outputting a first sensing voltage, a second sample/hold circuit sampling and outputting a second sensing voltage, a share sample/hold circuit sampling and outputting a reference voltage, and an amplification part differential-amplifying the first sensing voltage output from the first sample/hold circuit and the reference voltage output from the share sample/hold circuit and differential-amplifying the second sensing voltage output from the second sample/hold circuit and the reference voltage output from the share sample/hold circuit.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: March 21, 2023
    Assignee: LX SEMICON CO., LTD.
    Inventors: Taiming Piao, Young Bok Kim, Won Kim, Byeon Cheol Lee
  • Patent number: 11588490
    Abstract: The present disclosure discloses a digital loop filter in an all-digital phase-locked loop. The digital loop filter may include a selection circuit configured to output one of a first data signal and a second data signal as valid data, a first operation circuit configured to output a first operation signal by adding or subtracting the valid data and a first register signal, a first register circuit configured to register the first operation signal and output the first operation signal as the first register signal, a second operation circuit configured to output a second operation signal by adding or subtracting a value of at least one bit of the valid data and the first register signal, and a second register circuit configured to store the second operation signal and output the second operation signal as a control signal.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: February 21, 2023
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Jong Suk Lee, Young Bok Kim, Chung Hwan Son, Seok Jae Oh, Yeh Ju Ka
  • Patent number: 11587508
    Abstract: A display driving apparatus includes an internal reference voltage generation circuit configured to generate and provide an internal reference voltage; a sensing circuit configured to simultaneously sense pixel signals provided from pixels of a display panel and the internal reference voltage, and output a reference voltage sensing signal generated by sensing of the internal reference voltage and pixel sensing signals generated by sensing of the pixel signals; and an output circuit configured to sequentially select the reference voltage sensing signal and the pixel sensing signals, convert the pixel sensing signals into pixel data, convert the reference voltage sensing signal into reference data, and transmits the pixel data and the reference data.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: February 21, 2023
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Seong Geon Kim, Young Bok Kim
  • Patent number: 11526136
    Abstract: The present disclosure discloses a time-to-digital conversion circuit for a clock and data recovery circuit. The time-to-digital conversion circuit may include a first time-to-digital conversion circuit enabled when a phase difference between a clock of an input signal and a recovery clock signal is greater than a reference phase difference and configured to output a first digital signal corresponding to the phase difference, and a second time-to-digital conversion circuit enabled when the phase difference is equal to or smaller than the reference phase difference and configured to output a second digital signal corresponding to the phase difference.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: December 13, 2022
    Assignee: LX Semicon Co, Ltd
    Inventors: Jong Suk Lee, Young Bok Kim, Chung Hwan Son, Seok Jae Oh, Yeh Ju Ka
  • Patent number: 11527193
    Abstract: The present disclosure discloses a display driving apparatus in which the consumption power of a chip is optimized through control for each output channel of the chip. The display driving apparatus includes a consumption current control circuit for each output channel. The consumption current control circuit is configured to selectively provide a control current having a high current amount in order to drive an output voltage for the output side of an output buffer in response to a change in the pattern having a great difference between an input voltage and an output voltage.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: December 13, 2022
    Assignee: Silicon Works CO., Ltd
    Inventors: Young Bok Kim, Taiming Piao
  • Patent number: 11509314
    Abstract: The present disclosure discloses an all-digital phase-locked loop. The all-digital phase-locked loop may include a time-to-digital conversion circuit configured to convert phase differences between a reference signal and a feedback signal into respective digital values and to output a first data signal and a second data signal corresponding to the respective digital values, a digital loop filter configured to select one of the first data signal and the second data signal as valid data and output a control signal by operating the valid data and a first register signal, a digitally controlled oscillator configured to generate an oscillation signal and control a frequency of the oscillation signal in response to the control signal, and a divider configured to divide the oscillation signal and output the feedback signal to the time-to-digital conversion circuit.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: November 22, 2022
    Assignee: Silicon Works Co., Ltd.
    Inventors: Jong Suk Lee, Young Bok Kim, Chung Hwan Son, Seok Jae Oh, Yeh Ju Ka
  • Patent number: 11508319
    Abstract: A source driver capable of improving sensing accuracy even when a black image signal is provided to reduce motion blur during a sensing period for sensing signals of pixels of a display panel, and a display device including the same. The source driver includes an output buffer configured to output a source signal; a voltage terminal applied with a black image signal of a preset voltage level; a source output terminal connected to a data line of a display panel; and a switch circuit configured to connect one of an output terminal of the output buffer and the voltage terminal to the source output terminal, wherein the switch circuit connects the voltage terminal to the source output terminal during a black image insertion period of a sensing period in which a pixel of the display panel is sensed.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: November 22, 2022
    Assignee: Silicon Works Co., Ltd
    Inventors: Won Kim, Young Bok Kim
  • Patent number: 11508315
    Abstract: An embodiment relates to a pixel sensing circuit and a pixel sensing method and, more particularly, to a pixel sensing circuit and a pixel sensing method for reducing the size of a source driver IC by sharing some components in a pixel sensing circuit and for sensing a pixel using a pixel sensing circuit in which some components are shared.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: November 22, 2022
    Assignee: LX Semicon Co., Ltd.
    Inventors: Young Bok Kim, Won Kim, Young Ho Shin
  • Patent number: 11488505
    Abstract: An embodiment is disclosed that makes it possible to reduce the area of a digital-to-analog converter circuit by interpolating one reference voltage and generating a plurality of gamma voltages.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: November 1, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Taiming Piao, Young Bok Kim, Young Tae Kim, Won Kim
  • Patent number: 11475851
    Abstract: The present embodiment relates to a technology for driving a display device, and provides a technology for adjusting the full-scale range (FSR) of an analog-to-digital converter according to a mode when sensing a pixel.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: October 18, 2022
    Assignee: LX Semicon Co., Ltd.
    Inventors: Seong Geon Kim, Won Kim, Young Bok Kim
  • Publication number: 20220301495
    Abstract: A data driver, a multi-channel sensing circuit and a sensing method thereof are provided. A multi-channel sensing circuit, where a configuration of a sample/hold circuit part is simplified to decrease a circuit area, and a sensing method of the multi-channel sensing circuit are provided. The multi-channel sensing circuit may include a first sample/hold circuit sampling and outputting a first sensing voltage, a second sample/hold circuit sampling and outputting a second sensing voltage, a share sample/hold circuit sampling and outputting a reference voltage, and an amplification part differential-amplifying the first sensing voltage output from the first sample/hold circuit and the reference voltage output from the share sample/hold circuit and differential-amplifying the second sensing voltage output from the second sample/hold circuit and the reference voltage output from the share sample/hold circuit.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 22, 2022
    Inventors: Taiming PIAO, Young Bok KIM, Won KIM, Byeon Cheol LEE