Patents by Inventor Jung-Hwan Choi

Jung-Hwan 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: 20240356003
    Abstract: The present invention relates to a slurry for fabricating an electrode, an electrode, and an electrochemical cell including same. The slurry for fabricating an electrode according to the present invention includes: an electrode material; an organic binder; and two or more solvents having different solubility parameters. The electrode fabricated using the slurry for fabricating an electrode according to the present invention may have a structure in which electrode materials are dispersed and bound to a porous matrix in a network configuration.
    Type: Application
    Filed: December 7, 2022
    Publication date: October 24, 2024
    Inventors: Keun Ho Choi, Jung Hwan Kim, Geon Hee Lee, Hyeong Min Jo, Chang Hyeon Kim, Chang Kyoo Lee
  • Patent number: 12117206
    Abstract: The present disclosure relates to a system and a method for discharging carbon monoxide (CO) by using a CO leakage alarm device and, more specifically, to a system and a method for discharging CO by using a CO leakage alarm device, the system and the method being operated on the basis of the Internet of things (IoT) so as to: detect CO leakage caused by damage to a boiler flue and sound an alarm through at least two from among the CO leakage alarm device, a boiler controller, a wall pad, and the like, automatically perform boiler ventilation and indoor air ventilation when the leakage is determined; and directly notify CO leakage-related authorities and users about the CO leakage.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: October 15, 2024
    Assignee: NANOKEM CO., LTD.
    Inventors: Young-Hwan Choi, Sung-An Ha, Jung-Jae Jang
  • Patent number: 12118177
    Abstract: A method of displaying an application is provided. The method includes displaying an execution screen of a first application on a first area when the first application is executed, displaying the execution screen of the first application on a second area instead of on the first area when a second application is executed while the first application is executed, and displaying an execution screen of a second application on the first area.
    Type: Grant
    Filed: May 19, 2023
    Date of Patent: October 15, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-jin Kim, Sung-hee Kim, Seung-woon Lee, Kang-tae Kim, Tae-soo Kim, Jung-hwan Choi
  • Patent number: 12110353
    Abstract: A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. The modified conjugated diene-based polymer has excellent processability and good tensile strength and viscoelasticity. In some embodiments, a modified conjugated diene-based polymer includes silicon (Si) and nitrogen (N), and has an N content of 150 ppm or more based on the weight of the modified conjugated diene-based polymer and a rate of change of mooney viscosity (MVR) of 20% or less.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: October 8, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Jung Hwan Oh, Suk Joon Yoo, He Seung Lee, Jae Sun Choi
  • Patent number: 12112827
    Abstract: A method includes measuring a linearity of a first pull-up circuit, a second pull-up circuit, a third pull-up circuit, a first pull-down circuit, a second pull-down circuit and a third pull-down circuit using an initial pull-up code and an initial pull-down code, each of the first pull-up circuit, the second pull-up circuit and the third pull-up circuit having a respective resistance value determined based on a respective pull-up code, and each of the first pull-down circuit, the second pull-down circuit and the third pull-down circuit having a respective resistance value determined based on a respective pull-down code, and determining a calibration setting indicator based on the measurement result, the calibration setting indicator indicating a calibration method of a transmission driver including the first pull-up circuit, the second pull-up circuit, the third pull-up circuit, the first pull-down circuit, the second pull-down circuit and the third pull-down circuit.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: October 8, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo Hwan Kim, Jun Young Park, Jin Do Byun, Kwang Seob Shin, Eun Seok Shin, Hyun-Yoon Cho, Young Don Choi, Jung Hwan Choi
  • Patent number: 12108661
    Abstract: The present invention provides an organic electroluminescent element and electronic device thereof, wherein the organic electroluminescent element comprises the compound represented by Formula 1 as material for an emission-auxiliary layer, and by comprising the compound represented by Formula 1 in the emission-auxiliary layer, the driving voltage of the organic electroluminescent element can be lowered, and the luminous efficiency and life time of the organic electroluminescent element can be improved.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 1, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Se Hoon Lee, Yun Suk Lee, Jung Hwan Park, Jung Wook Lee, Sun Hee Lee, Tae Seop Choi, Hyun Ji Oh
  • Patent number: 12106806
    Abstract: The present discloses provides a memory device and a method of operating the memory device. The memory device includes first main plugs formed in a vertical direction over a substrate and arranged in a first direction, second main plugs, third main plugs arranged between the first and second main plugs, the third main plugs adjacent to the first and second main plugs, and bit lines above the first to third main plugs, wherein each of the first to third main plugs includes first and second sub-plugs facing each other, wherein portions of the first and second sub-plugs included in each of the first and third main plugs are coupled to different select lines, and wherein portions of the first and second sub-plugs included in each of the second and third main plugs are coupled to different select lines.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: October 1, 2024
    Assignee: SK hynix Inc.
    Inventors: Jung Shik Jang, In Su Park, Woo Pyo Jeong, Jung Dal Choi, Jae Woong Kim, Jeong Hwan Kim
  • Patent number: 12106794
    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: Grant
    Filed: June 7, 2023
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    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
  • Publication number: 20240319334
    Abstract: The present embodiments relate to a phase error compensation device and method of a radar and a radar device including the same. A phase error compensation device according to an embodiment may include a first determiner configured to determine, for each first distance to a moving target, a first phase error between a phase of a first reception signal corresponding to a first transmission signal transmitted from a first transmission antenna and a phase of a second reception signal corresponding to a second transmission signal from a second transmission antenna, and a lookup table generator configured to generate and store a lookup table for phase compensation including phase compensation values for each distance based on the first phase error for each first distance.
    Type: Application
    Filed: January 15, 2024
    Publication date: September 26, 2024
    Inventors: Jingu LEE, Jung Hwan CHOI
  • Patent number: 12093569
    Abstract: A memory device, a host device and a method of operating the memory device are provided. The memory device includes a data signal generator configured to provide a data signal to a transmission driver, the transmission driver configured to output a multi-level signal having any one of first to third signal levels based on the data signal, a command decoder configured to receive a feedback signal from outside of the memory device and decode the feedback signal, a data signal controller configured to adjust the data signal based on a decoding result of the command decoder, and a drive strength controller configured to adjust at least one of the first to third signal levels based on the decoding result of the command decoder.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: September 17, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo Hwan Kim, Su Cheol Lee, Jin Do Byun, Eun Seok Shin, Young Don Choi, Jung Hwan Choi
  • Patent number: 12094762
    Abstract: A method of manufacturing a semiconductor device is provided. The method may include forming a stack, forming a preliminary stepped structure by patterning the stack, forming a first stepped structure, a second stepped structure, and an opening located between the first stepped structure and the second stepped structure by etching the preliminary stepped structure, forming a passivation layer that fills the opening and covers the first stepped structure, and forming a third stepped structure by etching the second stepped structure using the passivation layer as an etching barrier.
    Type: Grant
    Filed: August 15, 2023
    Date of Patent: September 17, 2024
    Assignee: SK hynix Inc.
    Inventors: Dong Hun Lee, Jeong Hwan Kim, Mi Seong Park, Jung Shik Jang, Won Geun Choi
  • Patent number: 12084575
    Abstract: The embodiments relate to a polyamide-imide film excellent in optical properties and mechanical properties, to a process for preparing the same, and to a cover window and a display device comprising the same. There are provided a polyamide-imide film, which comprises a polyamide-imide polymer and has a reduced modulus of a top surface measured by the nanoindentation method according to the ISO 14577-2 standard of 5.6 GPa or more and a haze of 1% or less, a process for preparing the same, and a cover window and a display device comprising the same.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: September 10, 2024
    Assignee: SK MICROWORKS CO., LTD.
    Inventors: Sang Hun Choi, Jin Woo Lee, Jung Hee Ki, Dae Seong Oh, Han Jun Kim, Sun Hwan Kim, Heung Sik Kim
  • Publication number: 20240294699
    Abstract: A xylylene diisocyanate (XDI) composition according to exemplary embodiments includes xylylene diisocyanate and an acidity regulator having a boiling point of 110° C. or higher, and the composition has an acidity of greater than 100 ppm and 1,000 ppm or less based on a total weight of the xylylene diisocyanate (XDI). An optical lens having a high transmittance and improved optical uniformity can be manufactured by controlling a polymerization reaction rate through acidity adjustment.
    Type: Application
    Filed: September 2, 2021
    Publication date: September 5, 2024
    Inventors: Jae Young PAI, Jung Hwan MYUNG, Kyeong Hwan YOU, Hyuk Hee HAN, Jeong Moo KIM, Eui Jun CHOI, Jung Hwan SHIN
  • Publication number: 20240293487
    Abstract: The present invention relates to an anti-tumor adenovirus that can evade the in-vivo immune system. The adenovirus having high ability to kill tumor of the present invention, by comprising a nucleic acid encoding a tumor albumin-binding domain, has significantly increased effects of infecting and killing tumor cells, exhibits an increase in binding with albumin to thereby evade in-vivo immune responses, leading to an increase in plasma half-life, is specifically delivered to cancer cells to produce systemic therapeutic effects, and can be topically delivered and has excellent selectivity, resulting in a remarkable effect in anti-tumor efficacy and, therefore, the adenovirus can be advantageously used as an anticancer composition or anticancer adjuvant in various types of cancer.
    Type: Application
    Filed: March 22, 2021
    Publication date: September 5, 2024
    Inventors: Jin-Woo CHOI, Seong-Hoon PARK, Goughnour PETER CHARLES, Jung-Ki YOO, Chung-Gab CHOI, Ki-Hwan UM, Hyung-Been LEE
  • Patent number: 12072438
    Abstract: The present disclosure relates to a device and method for detecting vertical misalignment of a vehicle radar device and vehicle radar device with the same. A radar device according to an embodiment determines a monitoring range including the ground in front by using the radar signal, determines an error of vertical angles for a number of ground distances within the monitoring range, and detects the vertical mounting misalignment of the radar device by using the error. According to embodiments, it is possible to accurately determine the vertical mounting misalignment of the radar device even if there is a road surface non-uniformity, road slope, or radar beam width change.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: August 27, 2024
    Assignee: HL KLEMOVE CORP.
    Inventors: Han Byul Lee, Ho Young Jin, Jae Hyun Han, Jung Hwan Choi, Jingu Lee
  • Patent number: 12066849
    Abstract: A semiconductor device including an error amplifier configured to receive a voltage of an output node and a reference voltage, a flipped voltage follower (FVF) circuit configured to receive an output of the error amplifier and maintain the voltage of the output node at the reference voltage, and a bias current control circuit configured to receive first to third mode signals, control a magnitude of a bias current flowing through the FVF circuit based on the first to third mode signals, control the bias current of a first magnitude, based on the first mode signal, control the bias current of a second magnitude smaller than the first magnitude, based on the second mode signal, and control the bias current of a third magnitude smaller than the second magnitude, based on the third mode signal.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: August 20, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyoung Jun Roh, Jae Woo Park, Jun Han Choi, Myoung Bo Kwak, Jung Hwan Choi
  • Patent number: 12068096
    Abstract: An inductor according to an embodiment of the present invention may include: a plurality of first E-type cores, each of which has a base unit and a center leg extending in a first direction from the base unit; a first I-type core arranged in the first direction from the plurality of first E-type cores; and a coil wound around the center leg of each of the plurality of first E-type cores. Here, the plurality of E-type cores may be arranged in a line along the first direction.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: August 20, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seok Bae, Jai Hoon Yeom, Jung Hwan Choi
  • Patent number: 12057194
    Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.
    Type: Grant
    Filed: May 25, 2023
    Date of Patent: August 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeok Jun Choi, Young Chul Cho, Seung Jin Park, Jae Woo Park, Young Don Choi, Jung Hwan Choi
  • Patent number: RE50074
    Abstract: A method and electronic device are disclosed herein. The electronic device includes a display, a communication unit, a processor and a memory storing instructions. The process executes the instructions to implement the method, including establishing wireless communication with one or more IoT devices, displaying a user interface for managing IoT devices, receiving a user input selecting a group of IoT devices, transmitting first information including user account data to an external server, transmitting second information to another device, the first information also indicating a selected group of IoT devices, and the second information causing the other device to communicatively connect with the first external server.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: August 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Jin Kim, Tae Jun Kim, Hae Na Kim, Yoe Chan Song, Jung Hwan Song, Sung Yeon Woo, Joon Hwan Lee, Pyo Je Cho, Han Jib Kim, Gyu Cheol Choi, Bo Kun Choi
  • Patent number: D1044788
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: October 1, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Kyu Lee, Seung-Hwan Cho, Jong Hyun Choi, Young Su Kim, Cheul Jin Park