Patents by Inventor In Hwan Choi

In 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: 20230407005
    Abstract: A resin, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition are disclosed herein. In some embodiments, the resin includes a unit of Chemical Formula 1 and a unit of Chemical Formula 2 wherein, in Chemical Formulae 1 and 2, Ar1, Ar2, R1 to R3, r1 to r3, L1, L2, X1 to X10, X?9, X?10, Z1 to Z6, La, La?, La?, La??, a, b, c, d, p, q, t, t?, m, n, m? and n? are defined herein.
    Type: Application
    Filed: August 12, 2022
    Publication date: December 21, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Il Hwan Choi, Kyeongmun Kim, Min Suk Jung, Jaesoon Bae, Hyeonah Shin, Hye Jin Yim
  • Patent number: 11849551
    Abstract: A rollable display device including: a support module; a display module disposed on the support module and including a display area and a non-display area adjacent to the display area; and a resin layer disposed between the support module and the display module, the display module including a display panel including a plurality of pixels, the support module including: a plurality of support bars extending in a first direction and arranged in a second direction crossing the first direction, wherein the support bars are spaced apart from each other; and a plurality of hinges disposed between the support bars and coupled with the support bars disposed adjacent thereto, and wherein each of the support bars is rotatably coupled with the hinges with respect to a driving axis extending in the first direction and the driving axis penetrates the display panel when viewed in a cross-section.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: December 19, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Hwan Choi, Beomjin Kim, Jonghwa Lee, Dongwon Choi, Taewoong Kim
  • Publication number: 20230403012
    Abstract: A power circuit includes a plurality of regulators and a plurality of in-rush current controllers. The plurality of regulators is coupled to an external power voltage and configured to adjust a level of an input voltage to generate a plurality of internal power voltages. The plurality of in-rush current controllers is configured to provide the input voltage to the plurality of regulators, the input voltage corresponding to an increasement voltage. The increasement voltage has a level rising at a preset rate until the plurality of internal power voltages all reach a target level.
    Type: Application
    Filed: October 14, 2022
    Publication date: December 14, 2023
    Inventors: Suk Hwan CHOI, Chan Keun KWON, Jin Yeop KIM, Chan Hui JEONG
  • Patent number: 11842659
    Abstract: A display apparatus according to an embodiment of the present invention includes a display unit having flexibility, at least one roller extending in a first direction to wind or unwind the display unit, a plurality of joints extending along an edge region of the display unit, and a housing in which the display unit, the roller, and the joints are accommodated and into/from which the display unit and the joints are inserted and withdrawn, wherein the display unit includes a display panel having flexibility and in which a display area displaying an image is changed as the display unit is wound around or unwound from the roller, a protective film disposed above the display panel, and a support panel disposed below the display panel.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: December 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hayk Khachatryan, Hyunwoo Koo, Taewoong Kim, Jeongho Kim, Hyungsik Kim, Dongwon Choi, Jin Hwan Choi
  • Patent number: 11835623
    Abstract: Various embodiments relate to a device and method for controlling vehicles and a radar system for vehicles. The vehicle controller may include a spectrum generator generating a 2D spectrum, a range-velocity map generator generating a range-velocity map corresponding to each height value included in a height set, a correlation coefficient determiner determining a correlation coefficient corresponding to each height value included in the height set, and a target determiner estimating a height of a target based on the correlation coefficient and recognizing the target based on the height of the target.
    Type: Grant
    Filed: May 1, 2021
    Date of Patent: December 5, 2023
    Assignee: HL KLEMOVE CORP.
    Inventors: Jingu Lee, Han Byul Lee, Jung Hwan Choi, Jae Hyun Han
  • Patent number: 11837756
    Abstract: An ion filter for a fuel-cell stack, which is configured for overcoming restrictions related to hydraulic head on the ion filter in a fuel-cell system and has a simplified structure, may include a manifold unit of diverging a coolant introduced from an outside; and an ion filter unit connected to the manifold unit to receive the coolant from the manifold unit and including a cartridge assembly having an ion filter resin.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: December 5, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Mahle Donghyun Filter Systems Co., Ltd.
    Inventors: Hyun Ju Ji, Hun Woo Park, Sun Ae Park, Hwan Choi
  • Patent number: 11833806
    Abstract: A display device includes a display panel; a supporter disposed on a surface of the display panel; and an adhesive layer disposed between the supporter and the display panel, wherein the supporter includes metal layers spaced apart from each other; and a cushion layer surrounding the metal layers, the adhesive layer includes a first area overlapping the metal layers in a vertical direction to the display panel; and a second area not overlapping the metal layers in the vertical direction to the display panel, and a modulus of the second area of the adhesive layer is larger than a modulus of the first area of the adhesive layer.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: December 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Won Choi, Beon Jin Kim, Jin Hwan Choi, Tae Woong Kim, Jong Hwa Lee
  • Publication number: 20230383405
    Abstract: The present disclosure relates to a hafnium precursor compound, a precursor composition for forming hafnium-containing film including the hafnium precursor compound and a method of forming a hafnium-containing film using the precursor composition.
    Type: Application
    Filed: August 4, 2023
    Publication date: November 30, 2023
    Inventors: Wonyong KOH, Jin Sik KIM, Byung Kwan KIM, Da Som YU, Jun Hwan CHOI
  • Publication number: 20230382409
    Abstract: Proposed is a system for enabling a vehicle to perform a circuit mode. The system includes a communication unit provided in the vehicle to communicate with a vehicle-external device, a service providing server provided in the vehicle-external device to provide information related to a circuit, a controller which recognizes a current position of the vehicle by receiving a signal related to a vehicle position and which determines whether the vehicle arrives at the circuit based on the current position of the vehicle and the information related to the circuit received from the service providing server via the communication unit, the controller being configured to perform control for a circuit guide function that provides guide information related to the circuit mode and circuit driving when the vehicle enters the circuit mode, and an input/output unit outputting and providing the guide information to a driver by controlling the controller.
    Type: Application
    Filed: December 9, 2022
    Publication date: November 30, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ho Kyun Chun, Jae Sung Bang, Seok Hwan Choi, Dong Hyeon Woo, Dae Woong Hwang, Daw Ki Hong, Ho Won Seo
  • Patent number: 11826200
    Abstract: A system may include an ultrasound probe and a controller unit configured to communicate with the ultrasound probe. The controller unit may be further configured to select an aiming mode for the ultrasound probe; select a first aiming mode plane, scanning mode, or imaging mode; select at least one additional aiming mode plane, scanning mode, or imaging mode; toggle between obtaining and displaying ultrasound images associated with the first aiming mode plane, scanning mode, or imaging mode and obtaining and displaying ultrasound images associated with the at least one additional aiming mode plane, scanning mode, or imaging mode; receive a selection of a three-dimensional (3D) scan mode; and perform a 3D scan using the ultrasound probe, in response to receiving the selection of the 3D scan mode.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: November 28, 2023
    Assignee: Verathon Inc.
    Inventors: Joon Hwan Choi, Fuxing Yang
  • Patent number: 11824217
    Abstract: The present disclosure includes: a mid-plate configured to support a bottom side of a battery module from a bottom side of a vehicle body; a fastening member fastened through a space in which the mid-plate and the battery module are mounted and configured to fix the mid-plate to the vehicle body; a mounting pipe provided at a top side of the mid-plate and configured to support a pressure applied to the vehicle body from a bottom side of the mid-plate, wherein the fastening member passes through the mounting pipe; a mounting support configured to fix the mounting pipe to the mid-plate, wherein the fastening member passes through the mounting support; and a shield plate coupled to the bottom side of the mid-plate and configured to surround a bottom-side coupling portion of the mounting support while allowing the fastening member to pass therethrough.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: November 21, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ji Woong Jung, Yong Hwan Choi, Yu Ri Oh, Tae Hyuck Kim, Gyung Hoon Shin, Hae Kyu Lim
  • Publication number: 20230365904
    Abstract: In a method for purifying highly pure isopropyl alcohol used in a semiconductor cleaning process, diacetone alcohol present in isopropyl alcohol is removed by an adsorption process, and diacetone alcohol, triisopropyl borate, and metal impurities are removed by a distillation process. The purified isopropyl alcohol may have a purity of has the moisture of 10 ppm or less, the triisopropyl boron compound of 50 ppt or less, and each metal of the metal impurities of 20 ppt or less.
    Type: Application
    Filed: May 10, 2023
    Publication date: November 16, 2023
    Inventors: Sung Won SHIM, Byung Ki SON, Yung LIM, Hwan CHOI, Youn Soo SHIN, Min Young KIM, Tae Gi CHOI
  • Patent number: 11815409
    Abstract: A temperature sensor and a method of controlling the temperature sensor are provided. The temperature sensor includes a voltage generator suitable for generating a temperature voltage that has a voltage level determined according to a temperature and a reference voltage that has a constant voltage level independent of a change in temperature, a code generator suitable for generating an initial code based on the temperature voltage and the reference voltage, and a code calibrator suitable for generating a calibrated code based on the initial code and a calibration factor.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: November 14, 2023
    Assignee: SK hynix Inc.
    Inventor: Suk Hwan Choi
  • Publication number: 20230358159
    Abstract: An embodiment coolant control module includes a housing including a coolant inlet configured to receive a coolant, a coolant outlet configured to discharge the coolant, an internal passage connecting the coolant inlet and the coolant outlet, and a pump mounting part adjacent to the coolant outlet. The coolant control module further includes a control valve disposed inside the housing and configured to change a direction of the coolant, a coolant pump coupled to the pump mounting part of the housing, a driving motor unit mounted on the housing, connected to the control valve, and configured to drive the control valve, and a controller mounted on the housing, connected to the coolant pump and the driving motor unit, and configured to control an operation of the coolant pump and the driving motor unit.
    Type: Application
    Filed: September 7, 2021
    Publication date: November 9, 2023
    Inventors: Yeonho Kim, Jae Yeon Kim, Hoyoung Jeong, Ho Sung Kang, Do-Hyun Kim, Oh-Sang Shin, Sung-Hwan Choi, Sang Hyun Lee, Seong Woo Jeong, Jungbum Choi, Jeong Wan Han
  • Publication number: 20230359245
    Abstract: A display apparatus includes a first roller and a second roller each rolling about a rolling axis extending along a first direction and spaced apart from each other in a second direction crossing the first direction, a display panel connected to the first roller, and a support connected to the second roller and disposed on a rear surface of the display panel to support the display panel. A hole passing through the support is defined in the support, the support includes an end part surrounding a portion of the hole and extending along the first direction and a side part extending along the second direction from the end part, and the end part is convex toward the display panel in a cross section.
    Type: Application
    Filed: April 25, 2023
    Publication date: November 9, 2023
    Inventors: JAEHO AHN, BEOMJIN KIM, TAEWOONG KIM, SANGJUN LEE, JIN HWAN CHOI
  • Publication number: 20230360689
    Abstract: A semiconductor memory device is provided. The semiconductor includes a data clock buffer that receives a data clock signal from a memory controller and outputs a pair of differential input signals, an edge delay controller that adjusts duty ratios of the pair of differential input signals based on a control code and outputs a pair of corrected clock signals, a first unit delay path circuit that generates four output clock signals having different phases based on the pair of corrected clock signals, a rising edge multiplexer that serially outputs data corresponding to a rising edge of each of the four output clock signals, a second unit delay path circuit that generates four duplicate clock signals having different phases based on the pair of corrected clock signals and a quadrature error correction circuit detector that detects a duty error based on the duplicate clock signals and outputs the control code.
    Type: Application
    Filed: April 26, 2023
    Publication date: November 9, 2023
    Inventors: Jun Young Park, Joo Hwan Kim, Jin Do Byun, Eun Seok Shin, Hyun Sub Rie, Hyun-Yoon Cho, Jung Hwan Choi
  • Publication number: 20230358440
    Abstract: The present disclosure relates to a boiler for making hot water and room heating water available simultaneously, which is capable of enabling a user to use hot water and room heating simultaneously. According to the present disclosure, a thermal loss of room heating water may be minimized because the room heating water is independently supplied to a room heating pipe and returned regardless of the use of hot water, and the hot water with a high temperature may be consistently supplied because the hot water is independently supplied to a hot water pipe and returned regardless of the use of the room heating water. In addition, the boiler may serve as both a hot-water heat exchanger and a distributor (low loss header).
    Type: Application
    Filed: April 27, 2021
    Publication date: November 9, 2023
    Inventor: Sung-Hwan CHOI
  • Patent number: 11796206
    Abstract: A control method for air conditioning is proposed. The control method, which is provided to operate an air conditioning apparatus air conditioning an interior space, includes selecting either a comfort priority mode and an energy saving mode as an operational mode, inputting an input air conditioning temperature for air conditioning the interior space, setting a basic air conditioning temperature or a revised air conditioning temperature, by comparing the input air conditioning temperature and the basic air conditioning temperature read out from data in a database, as an air conditioning operational temperature, and operating the air conditioning apparatus so that the interior space is air conditioned at the air conditioning operational temperature.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: October 24, 2023
    Assignee: Kevinlab Co.
    Inventors: Kyung Hak Kim, Sung Hwan Choi
  • Publication number: 20230329566
    Abstract: An apparatus for estimating blood pressure includes: a photoplethysmogram (PPG) sensor configured to measure a PPG signal from an object; a force sensor configured to measure a force signal acting between the object and the PPG sensor; and a processor configured to (i) divide a predetermined blood pressure range into a plurality of classes, (ii) input the measured PPG signal and the measured force signal into a blood pressure estimation model to obtain the probability values for each of the classes, and (iii) estimate blood pressure based on the obtained probability values for the respective classes.
    Type: Application
    Filed: October 18, 2022
    Publication date: October 19, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Sang Kon BAE, Joon-Hyuk CHANG, Youn Ho KIM, Jin Woo CHOI, Jehyun KYUNG, Joon-Young YANG, Ye-Rin JEOUNG, Jeong-Hwan CHOI
  • Patent number: RE49757
    Abstract: A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: December 12, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jin Pil Kim, Young In Kim, Ho Taek Hong, In Hwan Choi, Kook Yeon Kwak, Hyoung Gon Lee, Byoung Gill Kim, Jin Woo Kim, Won Gyu Song, Jong Moon Kim