Patents by Inventor Cheol Park

Cheol Park 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: 20240380964
    Abstract: A camera module includes a driving assembly configured to drive a lens module in a direction intersecting an optical axis. The driving assembly includes: a driving magnet member; auxiliary magnet members arranged on opposing sides of the driving magnet member and arranged to have polarities different from a polarity of the driving magnet member in a first direction; and a driving coil including portions extending along boundaries between the driving magnet member and the auxiliary magnet members.
    Type: Application
    Filed: July 24, 2024
    Publication date: November 14, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Soo Cheol LIM, Nam Ki PARK
  • Patent number: 12143049
    Abstract: A motor driving apparatus includes an inverter that includes a switching element connected between either terminal of a battery and a thermistor insulated from the switching element and that drives a motor through the switching element, a resistor connected between a sensing node to which one end of the thermistor is connected and a terminal of a low source voltage, and a motor controller configured for controlling a relay connected between the battery and the switching element based on a voltage of the sensing node.
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: November 12, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ji Woong Jang, Sang Cheol Shin, Yoo Jong Lee, Dong Hoon Park, Ki Jong Lee, Ho Tae Chun
  • Patent number: 12142209
    Abstract: A pixel includes a light emitting element, a driving switching element, an initialization voltage terminal, a data initialization switching element set, and an adjustment switching element. The driving switching element may provide a driving current to the light emitting element. The adjustment switching element is electrically connected to the data initialization switching element in series. At least one of the data initialization switching element set and the adjustment switching element may control an electrical connection between the control electrode of the driving switching element and the initialization voltage terminal. A control electrode of the adjustment switching element is electrically connected to an input electrode of the adjustment switching element.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: November 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heerim Song, Mukyung Jeon, Heejean Park, Yujin Lee, Cheol-Gon Lee
  • Patent number: 12138709
    Abstract: A foreign substance collecting apparatus according to one embodiment of the present disclosure may comprise: a collection body unit formed with a suction port through which air including foreign substances flows in and a discharge port through which air removed of the foreign substances is discharged; and a mixing unit provided inside the collection body unit and disposed on a flow passage of the air, and forming a vortex in washing water contained therein by inducing a rotary flow of the air.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: November 12, 2024
    Assignee: POSCO CO., LTD
    Inventors: Seong-Cheol Hong, Ki-Young Min, Se-Min Park, Dong-Geun Kim, Chang-Ho Kim, Jung-Moon Kang, Oho-Cheal Kwon
  • Patent number: 12139604
    Abstract: The present disclosure provides a polyalkylene carbonate-based resin having excellent thermal stability, thereby having an improved heat shrinkage phenomenon, and a molded article produced using the same. The polyalkylene carbonate-based resin includes 100 parts by weight of a base resin including a polyalkylene carbonate resin and a polylactide resin, and 5 parts by weight to 10 parts by weight of a heat shrinkage prevention agent, wherein the base resin includes the polyalkylene carbonate resin and the polylactide resin in a weight ratio of 6:4 to 4:6, and the heat shrinkage prevention agent is one or more selected from the group consisting of a polyalkyl(meth)acrylate-based resin, a polyalphaolefin-vinyl acetate-based resin, and a polyoxyalkylene-based resin.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: November 12, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Won Hee Woo, Seung Young Park, Sung Kyoung Kim, Sang Cheol Shin, Kyung Min Min, Won Seok Kim
  • Publication number: 20240369913
    Abstract: A camera module includes a housing having an internal space; a carrier disposed in the internal space; a lens module disposed in the carrier; a guide frame disposed between the carrier and the lens module; a first ball member and a second ball member disposed between the housing and the carrier, spaced apart from each other in a diagonal direction of the housing and the carrier, and configured to guide a movement of the carrier in a direction of an optical axis; and a third ball member disposed between the carrier and the guide frame, and a fourth ball member disposed between the guide frame and the lens module, and configured to guide a movement of the lens module in a direction perpendicular to the optical axis direction, wherein the third ball member and the fourth ball member do not overlap each other in the optical axis direction.
    Type: Application
    Filed: October 25, 2023
    Publication date: November 7, 2024
    Applicant: Samsung Electro-Mechanics Co.,Ltd.
    Inventors: Su Kyeong KIM, Nam Ki PARK, Bo Sung SEO, Soo Cheol LIM, Je Ho KIM
  • Publication number: 20240366623
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating Charcot-Marie-Tooth disease associated with a peripheral nervous system, comprising a compound represented by formula I, optical isomers thereof or pharmaceutically acceptable salts thereof as an active ingredient, a method for preventing or treating Charcot-Marie-Tooth disease associated with the peripheral nervous system using the compound, a use of the compound for preventing or treating Charcot-Marie-Tooth disease associated with the peripheral nervous system, and a use of the compound in preparing a medicament for preventing or treating Charcot-Marie-Tooth disease associated with the peripheral nervous system.
    Type: Application
    Filed: August 30, 2022
    Publication date: November 7, 2024
    Inventors: Nina Ha, Daekwon Bae, Min Cheol Kim, Ju Young Song, Dong-hyeon Suh, Suk Jin Lee, Jiyeon Baek, Jin Sol Park
  • Patent number: 12136328
    Abstract: Provided is an apparatus for detecting smoke based on polarization. The apparatus includes a chamber into which smoke is introduced, a detection unit comprising a light-emitting unit configured to emit light beams having a plurality of different wavelengths into a space in the chamber, and a light-receiving unit configured to receive scattered light from a plurality of light sources, a control unit configured to control an operation of the detection unit, and a fire determination unit configured to distinguish between fire smoke and non-fire analogous smoke by detecting and analyzing a light-receiving signal received by the light-receiving unit, in which horizontal polarization and vertical polarization are applied to the plurality of light sources of the light-emitting unit and the light-receiving unit.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: November 5, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hoe Sung Yang, Soo Cheol Kim, Hyun Seok Kim, So Yung Park, Kang Bok Lee, Kwang Soo Cho, Kyu Won Han
  • Patent number: 12132814
    Abstract: Interface devices and systems that include interface devices are disclosed. In some implementations, a device includes a transceiver configured to transmit and receive data, a lane margining controller in communication with the transceiver and configured to control the transceiver to transmit, through a margin command, to an external device, a request for requesting a state of an elastic buffer of the external device, and control the transceiver to receive the state of the elastic buffer of from the external device, and a port setting controller adjust a clock frequency range of a spread spectrum clocking scheme based on the state of the elastic buffer.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: October 29, 2024
    Assignee: SK HYNIX INC.
    Inventors: Yong Tae Jeon, Dae Sik Park, Jae Young Jang, Byung Cheol Kang, Seung Duk Cho
  • Patent number: 12124105
    Abstract: The present embodiment relates to a lens driving device comprising: a housing; a bobbin disposed inside the housing; a magnet disposed in the housing; a first coil which is disposed in the bobbin, and is opposite to the magnet; a base disposed on the lower side of the housing; a substrate portion comprising a body portion, which is disposed on the upper surface of the base, and a terminal portion extending toward the lower side of the body portion; a terminal portion accommodating portion which is formed on a side surface of the base and accommodates at least a part of the terminal portion; and an adhesive accommodating groove which is formed in the terminal portion accommodating portion and accommodates at least a part of an adhesive contacting the terminal portion and the terminal portion accommodating portion.
    Type: Grant
    Filed: August 3, 2023
    Date of Patent: October 22, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Cheol Kim, Jin Suk Han, Sang Ok Park, Sang Jun Min, Byung Wook Son, Kyoung Ho Yoo, Tae Jin Jung
  • Patent number: 12127433
    Abstract: A display device includes: a substrate; and a transistor on the substrate. The transistor includes: a semiconductor layer; a gate electrode overlapping with the semiconductor layer; a first gate contact overlapping layer overlapping with a channel region, and in contact with the gate electrode, the channel region being a region where the gate electrode and the semiconductor layer are overlapped with each other; and a semiconductor contact overlapping layer overlapping with the channel region, and in contact with the semiconductor layer. The first gate contact overlapping layer and the semiconductor contact overlapping layer are spaced apart from each other by a gap within the channel region.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: October 22, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gun Hee Kim, Sang Ho Park, Joo Hee Jeon, Young-Cheol Jeong
  • Publication number: 20240343975
    Abstract: An electron transport layer composition for inkjet printing is described. The composition includes metal oxide nanoparticles and at least three solvents being different in terms of at least one of viscosity, polarity, or vapor pressure. A method for preparing the composition and a light-emitting device having an electron transport layer formed from the composition are also described.
    Type: Application
    Filed: July 5, 2022
    Publication date: October 17, 2024
    Inventors: Do Hyeong Kim, So Mang Kim, Gyu Cheol Yoon, Byung Ju Park, Kyung Nam Kim, Sung Min Ha, Chun Rae Nam
  • Publication number: 20240345410
    Abstract: A camera module including a lens module, a carrier accommodating the lens module, a housing accommodating the carrier, and a shaking correction driver including a plurality of magnets disposed on the lens module, a plurality of coils disposed on the housing, and three or more position sensors, wherein the shaking correction driver is configured to form driving force to move the lens module on a plane perpendicular to an optical axis, wherein at least one of the plurality of magnets faces two or more position sensors, and wherein a position sensor facing one of the plurality of magnets is disposed closer to the optical axis than a position sensor facing an other of the plurality of magnets.
    Type: Application
    Filed: January 30, 2024
    Publication date: October 17, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Nam Ki PARK, Soo Cheol LIM, Su Kyeong KIM, Ki Hyun ROH, Se Hyeun YUN, Se Houn LEE
  • Publication number: 20240346894
    Abstract: An embodiment of the present disclosure provides an information output apparatus including an expression unit moving in at least one direction to be detected by a user, a movement unit disposed at one side of the expression unit, formed to be rotatable in at least one direction, and rotated to move the expression unit in at least one direction, a driving force providing unit disposed at one side of the movement unit and configured to provide a driving force to the movement unit, and a driving force limiting member formed to reduce or restrict the driving force generated by the driving force providing unit from being transmitted in a direction that is different from a direction from the driving force providing unit to the expression unit.
    Type: Application
    Filed: June 21, 2024
    Publication date: October 17, 2024
    Applicant: DOT INCORPORATION
    Inventors: Ju Yoon KIM, Ji Ho Kim, Hyeon Cheol Park
  • Patent number: 12116645
    Abstract: A grain-orientation electrical steel sheet according to an exemplary embodiment of the present invention includes a linear groove formed in a direction intersecting with the rolling direction, the groove includes the gradient section and the uniform section on a cross section including the transverse direction of the groove and the rolling surface normal direction of the steel sheet, and a length of the gradient section (GS) and the length of the uniform section (US) satisfy Equation 1 below. 0.1?[GSL]/[USL]?0.5??[Equation 1] In Equation 1, [GSL] represents the length (mm) of the gradient section and [USL] represents the length (mm) of the uniform section.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: October 15, 2024
    Assignee: POSCO CO., LTD
    Inventors: Se-Min Park, Seong-Cheol Hong, Hyun-Chul Park, Jung-Moon Kang, Chang-Ho Kim, Won-Gul Lee, Ki-Young Min
  • Patent number: 12117242
    Abstract: A furnace for producing a secondary battery cathode material according to an exemplary embodiment of the present invention includes; a chamber of which the internal space is heated by a heater, a conveyer installed in the chamber and conveying a sagger containing raw material power of a cathode material of a secondary battery in one direction; and a gas supply nozzle and an exhaust port installed in the chamber. The chamber is divided into a front chamber, an intermediate chamber, and a rear chamber. The intermediate chamber has an inlet shutter and an outlet shutter for sealing the internal space thereof, and an exhaust port of the intermediate chamber is connected to an exhaust device for discharging gas.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: October 15, 2024
    Assignees: POSCO HOLDINGS INC., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO FUTURE M CO., LTD.
    Inventors: Keeyoung Jung, Choongmo Yang, Yoon Cheol Park, Soon Cheol Hwang, Yeong Woo Kim, Young Min Park
  • Patent number: 12119488
    Abstract: Provided is a lithium secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode includes, as a positive electrode active material, a lithium composite transition metal oxide powder having a layered structure and a nickel content accounting for 50 atm % or more of total transition metals, and wherein the layered structure of the positive electrode active material is phase-transformed into a spinel structure at a temperature of 300° C. or more in a fully charged state.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: October 15, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Na Ri Park, Yeo June Yoon, Sung Ho Ban, Jun Ho Eom, Hyeon Hui Baek, Ki Cheol Shin
  • Patent number: 12116298
    Abstract: Disclosed is a method for removing nitrogen and phosphorus from sewage and wastewater through a combination of a biological nitrogen and phosphorus removal process using nitrite nitrogen and an anaerobic ammonium oxidation process. An objective of an embodiment of the present invention is to provide an apparatus for removing nitrogen and phosphorus in which, by inducing a denitritation- and nitritation-based biological nitrogen and phosphorus removal process in a bioreactor and applying an anaerobic ammonium oxidation process, nitrogen and phosphorus can be economically and effectively removed without separately injecting organic materials.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: October 15, 2024
    Assignees: BKT CO., LTD., SUDOKWON LANDFILL SITE MANAGEMENT CORPORATION
    Inventors: Young Hyun Park, Dae Hwan Rhu, Min Ki Jung, Jae Min Kim, Jonathan Liberzon, Jong Cheol Won, Joon Ho Cho, Swong Kyun Hong, Moon Jeong Kim, Kyung Sam Jeong, Min Hyuk Kim, June Woo Lee
  • Publication number: 20240339045
    Abstract: An information output apparatus is proposed. The information output apparatus not only improves durability and user convenience but also minimizes power consumption and an operation error of a driving module. The information output apparatus also allows a pin to be driven to be lowered more easily by an attractive force between a magnetic force member and a magnetic member. In addition, the information output apparatus is also provided to prevent the pin from protruding to the outside of an expression surface even when power is not applied.
    Type: Application
    Filed: June 17, 2024
    Publication date: October 10, 2024
    Inventors: Hee Su LEE, Ju Yoon KIM, Ji Ho KIM, Hyeon Cheol PARK
  • Publication number: 20240340975
    Abstract: A method and apparatus for NSTR communication in a communication system supporting multiple links are disclosed. A method for a first device comprises the steps of: if a first backoff operation has succeeded on a first link belonging to a first pair of NSTR links on which an STR operation of a second device is not supported, transmitting a first data frame to the second device on the first link; performing a second backoff operation for transmission of a second data frame on a second link belonging to the first pair of NSTR links; if the second backoff operation has succeeded on the second link, identifying whether or not a transmission operation of the second device is performed on the first link belonging to the pair of NSTR links; and transmitting the second data frame to the second device on the second link.
    Type: Application
    Filed: July 19, 2022
    Publication date: October 10, 2024
    Inventors: Sung Hyun HWANG, Kyu Min KANG, Jae Cheol PARK, Jin Hyung OH, Dong Woo LIM, Su Na CHOI, Yong Ho KIM