Patents by Inventor Seong-hyeon CHOI

Seong-hyeon 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: 20240128502
    Abstract: An embodiment solid electrolyte includes a first compound and a second compound. The first compound is represented by a first chemical formula Li7-aPS6-a(X11-bX2b)a, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, and wherein 0<a?2 and 0<b<1, and the second compound is represented by a second chemical formula Li7-cP1-2dMdS6-c-3d(X11-eX2e)c, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, wherein M represents Ge, Si, Sn, or any combination thereof, and wherein 0<c?2, 0<d<0.5, and 0<e<1.
    Type: Application
    Filed: August 14, 2023
    Publication date: April 18, 2024
    Inventors: Sa Heum Kim, Yong Jun Jang, Yong Gu Kim, Sung Man Cho, Sun Ho Choi, Seong Hyeon Choi, Kyu Sung Park, Young Gyoon Ryu, Suk Gi Hong, Pil Sang Yun, Myeong Ju Ha, Hyun Beom Kim, Hwi Chul Yang
  • Publication number: 20240118216
    Abstract: Provided is a chemical test apparatus for testing a chemical used to process a substrate, the chemical test apparatus including a first line providing an inlet through which the chemical is introduced, and a passage through which the chemical moves, a second line having an end and another end connected to two separate points of the first line, and providing a passage in which the chemical introduced into the first line is filled, a discharge line connected to a lower end of the first line, and a valve disposed between the first line and the discharge line at least below portions of the first line connected to the second line, to open or close a passage through which the chemical moves from the first line to the discharge line.
    Type: Application
    Filed: October 3, 2023
    Publication date: April 11, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Sangwoo PARK, Gi Hun CHOI, Seong Hyeon KIM, Seungtae YANG
  • Publication number: 20240116366
    Abstract: In a control method of a motor drive system, when a first motor corresponding to a first drive wheel is being driven in a second drive mode among a first drive mode in which the first motor is driven by a first inverter of the motor drive system and connected to a first end of each of coils of the first motor and the second drive mode in which the first motor is driven by the first inverter and a second inverter connected to a second end of each of the coils and configured to selectively operate, whether or not the second inverter malfunctions is determined. When the second inverter malfunctions, a drive mode is changed so that the first motor is driven in the first drive mode. An output limit of the first motor in the first drive mode is relaxed.
    Type: Application
    Filed: May 8, 2023
    Publication date: April 11, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Hyeon BIN, Byung Oh Tak, Seong Min Kim, Ho Rim Choi
  • Publication number: 20240116372
    Abstract: An electrified vehicle includes a motor including a plurality of windings, a first inverter connected to a first end of each of the plurality of windings and configured to drive the motor, a second inverter connected to a second end of each of the plurality of windings and configured to drive the motor in a second driving mode of a first driving mode and the second driving mode, a first controller configured to determine one of first and second output limit lines as an output limit line of the first driving mode, depending on whether a preset condition is satisfied, and a second controller configured to bidirectionally switch the first driving mode and the second driving mode within an operating point range according to the output limit line of the first driving mode in accordance with a value of a torque command for the motor and counter magnetic flux of the motor.
    Type: Application
    Filed: March 2, 2023
    Publication date: April 11, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Hyeon BIN, Byung Oh TAK, Seong Min KIM, Ho Rim CHOI
  • Patent number: 11953958
    Abstract: A display includes: a display panel; and a panel bottom sheet disposed below the display panel, the panel bottom sheet including: a first heat dissipation layer; a second heat dissipation layer over the first heat dissipation layer, including a first opening formed completely through the second heat dissipation layer in a thickness direction; a heat dissipation coupling interlayer between the first heat dissipation layer and the second heat dissipation layer, and a heat dissipation substrate on the second heat dissipation layer.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Woo Lee, Boo Kan Ki, June Hyoung Park, Sun Hee Oh, Dong Hyeon Lee, Jeong In Lee, Hyuk Hwan Kim, Seong Sik Choi
  • Publication number: 20240106362
    Abstract: A motor driving apparatus includes a motor having a plurality of windings, a first inverter which is connected to a first end of each of the plurality of windings and drives the motor, a second inverter which is connected to a second end of each of the plurality of windings and selectively drives the motor according to a motor drive mode, and a controller which generates a current command for the motor according to a torque command and a voltage utilization rate control value, determines whether to perform linearization control for the current command based on a present counter magnetic flux of the motor and a switching reference counter magnetic flux for the motor drive mode, and adjusts the voltage utilization rate control value such that a value of the current command is linearized in a section in which the linearization control is performed.
    Type: Application
    Filed: April 14, 2023
    Publication date: March 28, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ho Rim CHOI, Seong Min KIM, Seon Mi LEE, Tae Il YOO, Seung Hyeon BIN
  • Patent number: 11938827
    Abstract: The present disclosure relates to a system for controlling a motor of a vehicle for increasing control accuracy of the motor for driving the vehicle, and an object of the present disclosure is to provide a system for controlling a motor of a vehicle, which may accurately perform a motor control even when a battery voltage (i.e., motor voltage) applied to the motor upon the driving control of the motor is changed.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: March 26, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ho Sun Jang, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Tae Il Yoo, Seung Hyeon Bin
  • Publication number: 20240097119
    Abstract: A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Sun Ho CHOI, Yong Jun JANG, In Woo SONG, Sang Heon LEE, Sang Soo LEE, So Young KIM, Seong Hyeon CHOI, Sa Heum KIM, Jae Min LIM
  • Patent number: 11912109
    Abstract: A flush glass apparatus includes a fixed glass having an opening, an operation glass configured to open and close the opening of the fixed glass, a lower rail configured to slidably support a lower portion of the operation glass, a sealing member provided below the lower rail to seal a gap between an inner surface of the fixed glass and a vehicle body, one or more upper drain holes provided on the lower rail to discharge rainwater on the lower rail to a buffer area between the lower rail and the sealing member, and a drain induction member interposed between the inner surface of the fixed glass and the sealing member and providing a lower drain hole to discharge rainwater in the buffer area to the outside.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: February 27, 2024
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Webasto Korea Holdings Ltd.
    Inventors: Jeong Hyeon Kim, Seong Min Gwak, Su Yun Choi
  • Patent number: 11876219
    Abstract: A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: January 16, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sun Ho Choi, Yong Jun Jang, In Woo Song, Sang Heon Lee, Sang Soo Lee, So Young Kim, Seong Hyeon Choi, Sa Heum Kim, Jae Min Lim
  • Publication number: 20230411601
    Abstract: Disclosed is a method of coating a solid electrolyte of a solid-state battery. The method includes putting an electrode active material and a sulfide-based solid electrolyte into a rotating mixer, operating the rotating mixer to rotate in a first direction while the rotating mixer revolves in a second direction, and coating a surface of the electrode active material with the sulfide-based solid electrolyte in the rotating mixer during the operation of the rotating mixer, to form a solid electrolyte layer on the surface of the electrode active material.
    Type: Application
    Filed: December 14, 2022
    Publication date: December 21, 2023
    Inventors: Sun Ho Choi, Yong Jun Jang, In Woo Song, Sang Heon Lee, So Young Kim, Seong Hyeon Choi, Mun Seok Chae, Ho Cheol Shin, Sa Heum Kim, Sang Soo Lee
  • Publication number: 20230352662
    Abstract: In an embodiment a cathode for an all-solid-state battery includes a composite material comprising a cathode active material and a coating layer completely covering a surface of the cathode active material, wherein the coating layer comprises a first solid electrolyte and a second solid electrolyte.
    Type: Application
    Filed: November 30, 2022
    Publication date: November 2, 2023
    Inventors: Seong Hyeon Choi, Yong Jun Jang, In Woo Song, Sang Heon Lee, So Young Kim, Sun Ho Choi, Mun Seok Chae, Ho Cheol Shin, Sa Heum Kim, Sang Soo Lee
  • Patent number: 11682757
    Abstract: Provided is a composite anode active material including: a carbonaceous material; a metal alloyable with lithium, located on a surface of the carbonaceous material; and a silicon coating layer located on a surface of the carbonaceous material, on a surface of the metal alloyable with lithium, or a combination thereof.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: June 20, 2023
    Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jaephil Cho, Jaekyung Sung, Seong Hyeon Choi, Jiyoung Ma, Yoonkwang Lee
  • Publication number: 20230178798
    Abstract: A lithium metal halide-based solid electrolyte for an all-solid-state battery with excellent lithium ion conductivity, includes a compound represented by the following Chemical Formula 1. Li6-a(M11-bM2b)X6??[Chemical Formula 1] wherein M1 comprises a group 3 element, a group 4 element or a group 13 element, M2 comprises silicon (Si), germanium (Ge), tin (Sn) or lead (Pb), X comprises chlorine (Cl), bromine (Br) or iodine (I), 0?b?1, and a is a number satisfying the following Mathematical Formula 1.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 8, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Yong Jun Jang, Sang Heon Lee, Sang Soo Lee, So Young Kim, Seong Hyeon Choi, Sun Ho Choi, Dae Yeon Hwang, Mun Seok Chae, Ho Cheol Shin, Kwang Jin Kim, Sa Heum Kim, In Woo Song, Sang Uck Lee, Byeong Sun Jun, Ji Hoon Kim
  • Patent number: 11504087
    Abstract: Provided is an ultrasound diagnostic apparatus including a probe configured to induce displacement in tissue of an object by irradiating a first focused beam of a first frequency to the object; and a processor configured to obtain a first ultrasound image of the object in which displacement has been induced; to determine whether the induced displacement is appropriate based on the obtained first ultrasound image; when the induced displacement is not appropriate, to control the probe to irradiate a second focused beam of a second frequency different from the first frequency to the object, so as to induce displacement in the tissue of the object; and to process a second ultrasound image of the object in which displacement has been induced by the second focused beam.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong-geon Kong, Seong-hyeon Choi, Hyoung-ki Lee
  • Publication number: 20220302441
    Abstract: A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.
    Type: Application
    Filed: August 20, 2021
    Publication date: September 22, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Sun Ho CHOI, Yong Jun JANG, In Woo SONG, Sang Heon LEE, Sang Soo LEE, So Young KIM, Seong Hyeon CHOI, Sa Heum KIM, Jae Min LIM
  • Publication number: 20220267149
    Abstract: A method of manufacturing a sulfide-based solid electrolyte, includes mixing a raw material with an organic solvent to manufacture a mixed solution; a heating step of heating and agitating the mixed solution; a cooling step of cooling and agitating the heated mixed solution; a re-heating step of heating and agitating the cooled mixed solution; and a heat treatment step, effectively synthesizing a sulfide-based solid electrolyte by heating and cooling a mixed solution containing a raw material in an organic solvent to a predetermined temperature.
    Type: Application
    Filed: February 18, 2022
    Publication date: August 25, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Sun Ho Choi, Yong Jun Jang, In Woo Song, Sang Soo Lee, So Young Kim, Seong Hyeon Choi, Sa Heum Kim, Sang Heon Lee
  • Publication number: 20220125412
    Abstract: Provided is an ultrasonic imaging apparatus capable of obtaining a more accurate shear wave elastic image by removing inefficient areas such as blood vessels using a shear wave observation signal in a section where an object is not affected by a push pulse, and a method for controlling the same.
    Type: Application
    Filed: July 25, 2019
    Publication date: April 28, 2022
    Inventors: Ji Young Park, Ki Wan Choi, Seong Hyeon Choi
  • Publication number: 20190296336
    Abstract: Provided is a composite anode active material including: a carbonaceous material; a metal alloyable with lithium, located on a surface of the carbonaceous material; and a silicon coating layer located on a surface of the carbonaceous material, on a surface of the metal alloyable with lithium, or a combination thereof.
    Type: Application
    Filed: November 3, 2017
    Publication date: September 26, 2019
    Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jaephil Cho, Jaekyung Sung, Seong Hyeon Choi, Jiyoung MA, Yoonkwang Lee
  • Publication number: 20190125300
    Abstract: Provided is an ultrasound diagnostic apparatus including a probe configured to induce displacement in tissue of an object by irradiating a first focused beam of a first frequency to the object; and a processor configured to obtain a first ultrasound image of the object in which displacement has been induced; to determine whether the induced displacement is appropriate based on the obtained first ultrasound image; when the induced displacement is not appropriate, to control the probe to irradiate a second focused beam of a second frequency different from the first frequency to the object, so as to induce displacement in the tissue of the object; and to process a second ultrasound image of the object in which displacement has been induced by the second focused beam.
    Type: Application
    Filed: November 4, 2016
    Publication date: May 2, 2019
    Inventors: Dong-geon KONG, Seong-hyeon CHOI, Hyoung-ki LEE