Patents by Inventor Dae-Chul Park

Dae-Chul 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).

  • Patent number: 12158506
    Abstract: Disclosed is a system for managing a vehicle battery that is chargeable/dischargeable and stores energy for driving a vehicle driving motor. The system for managing the vehicle battery as disclosed includes a controller that measures a polarization voltage of each of a plurality of battery cells in a vehicle battery after charging of the vehicle battery is terminated, and determines whether each of the plurality of battery cells is abnormal based on the measured polarization voltage.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: December 3, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Dae Gun Jin, Woo Sung Kim, Kyung In Min, Do Sung Hwang, Ki Seung Baek, Dong Il Kim, Yoon Jun Lee, Bo Ram Yang, Ki Chul Hong, Ik Kyu Kim, Sung Il Lee, Jae Shin Yi, Young Woo Lee, Soo Yang Jin, Suk Hyung Kim, Hyun Soo Park
  • Publication number: 20240382672
    Abstract: Provided is an electroosmotic pump including a housing including a shaft hole, a membrane disposed between a first space arranged in a direction away from the shaft hole and a second space adjacent to the shaft hole, a first electrode body and a second electrode body arranged at opposite sides based on the membrane, a shaft extending to an outside of the housing through the shaft hole, and a first fluid included in an internal space of the housing.
    Type: Application
    Filed: August 1, 2024
    Publication date: November 21, 2024
    Inventors: Jesse Jae Jin Kim, Yong Chul Song, Seung Ha Kim, Dae Jong Park
  • Publication number: 20240379990
    Abstract: A method for manufacturing a secondary battery includes a forming step of pressing a pouch sheet by using a press die so that left and right accommodation grooves, which are bilaterally symmetrical to each other and are opened upward, and a bridge connecting the left and right accommodation grooves to each other are formed in the pouch sheet, wherein the bridge protrudes upward with respect to bottom surfaces of the left and right accommodation grooves, and a curved portion having a rounded shape is formed on an upper end of the bridge, a seating step of seating an electrode assembly in one of the left and right accommodation grooves, and a folding step of folding the pouch sheet so that the left and right accommodation grooves face each other.
    Type: Application
    Filed: July 22, 2024
    Publication date: November 14, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sung Chul Park, Sang Wook Kim, Dae Won Lee, Dong Hyeuk Park
  • Patent number: 12140206
    Abstract: A universal driving device includes a ring gear, a sun gear installed such that the shaft distance between a rotation shaft of the sun gear and a rotation shaft of the ring gear is changeable, and a split gear disposed between the sun gear and the ring gear, and configured to split power, received from the sun gear through one path, into multiple paths and transmit the power to the ring gear.
    Type: Grant
    Filed: November 8, 2023
    Date of Patent: November 12, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jong Sool Park, Woo Hyun Lim, Yeo Hae Lee, Kyoung Chul Min, Dae In Lee, Ki Seok Kim
  • Publication number: 20240365589
    Abstract: A display device includes pixels disposed on a substrate. Each of the pixels include a pixel circuit layer disposed on the substrate and includes at least one transistor, a first electrode disposed on the pixel circuit layer and electrically connected to the at least one transistor, a bank disposed on the first electrode, the bank including an opening exposing the first electrode, a conductive pattern disposed on a side surface of the bank surrounding the opening of the bank and the exposed first electrode, a light-emitting element disposed on the conductive pattern in the opening of the bank and electrically connected to the first electrode, and a second electrode disposed on the light-emitting element. The conductive pattern is a guide member that guides light emitted from the light-emitting element to an upper portion of the second electrode.
    Type: Application
    Filed: July 9, 2024
    Publication date: October 31, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Soo Chul KIM, Dae Ho SONG, Jin Taek PARK, So Young YEO, Ok Yi LEE
  • Publication number: 20240344191
    Abstract: Provided are a plated steel sheet and a method for manufacturing same, the plated steel sheet comprising: a base steel sheet; a Zn—Mg—Al plating layer provided on at least one surface of the base steel sheet; and an Fe—Al inhibition layer provided between the base steel sheet and the Zn—Mg—Al plating layer. The plating layer comprises, by weight %, 4 to 10% of Mg and 5.1-25% of Al and the remainder being Zn and unavoidable impurities with respect to components not including iron (Fe) diffused from the base steel sheet. The plating layer comprises a 24-50% MgZn2 phase in phase fraction. In the MgZn2 phase, an Al single phase is present in the ratio of 1-30% relative to the cross-sectional area of the total MgZn2 phase.
    Type: Application
    Filed: June 6, 2024
    Publication date: October 17, 2024
    Applicants: POSCO CO., LTD, STEEL & CONVERGENCE TECHNOLOGY RESEARCH ASSOCIATION, POSCO COATED & COLOR STEEL CO., LTD.
    Inventors: Sung-Joo Kim, Kyung-Kwan Park, Moon-Hi Hong, Heung-Yun Kim, Tae-Yeul Park, Myung-Soo Kim, Il-Ryoung Sohn, Tae-Chul Kim, Dae-Young Kang
  • Patent number: 12090299
    Abstract: Provided is an electroosmotic pump including a housing including a shaft hole, a membrane disposed between a first space arranged in a direction away from the shaft hole and a second space adjacent to the shaft hole, a first electrode body and a second electrode body arranged at opposite sides based on the membrane, a shaft extending to an outside of the housing through the shaft hole, and a first fluid included in an internal space of the housing.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: September 17, 2024
    Assignee: EOFlow Co., Ltd.
    Inventors: Jesse Jae Jin Kim, Yong Chul Song, Seung Ha Kim, Dae Jong Park
  • Publication number: 20240297332
    Abstract: A method for manufacturing a secondary battery includes a forming step of pressing a pouch sheet by using a press die so that left and right accommodation grooves, which are bilaterally symmetrical to each other and are opened upward, and a bridge connecting the left and right accommodation grooves to each other are formed in the pouch sheet, wherein the bridge protrudes upward with respect to bottom surfaces of the left and right accommodation grooves, and a curved portion having a rounded shape is formed on an upper end of the bridge, a seating step of seating an electrode assembly in one of the left and right accommodation grooves, and a folding step of folding the pouch sheet so that the left and right accommodation grooves face each other.
    Type: Application
    Filed: May 9, 2024
    Publication date: September 5, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Sung Chul Park, Sang Wook Kim, Dae Won Lee, Dong Hyeuk Park
  • Patent number: 12063816
    Abstract: A display device includes pixels disposed on a substrate. Each of the pixels include a pixel circuit layer disposed on the substrate and includes at least one transistor, a first electrode disposed on the pixel circuit layer and electrically connected to the at least one transistor, a bank disposed on the first electrode, the bank including an opening exposing the first electrode, a conductive pattern disposed on a side surface of the bank surrounding the opening of the bank and the exposed first electrode, a light-emitting element disposed on the conductive pattern in the opening of the bank and electrically connected to the first electrode, and a second electrode disposed on the light-emitting element. The conductive pattern is a guide member that guides light emitted from the light-emitting element to an upper portion of the second electrode.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: August 13, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soo Chul Kim, Dae Ho Song, Jin Taek Park, So Young Yeo, Ok Yi Lee
  • Patent number: 12054829
    Abstract: Provided are a plated steel sheet and a method for manufacturing same, the plated steel sheet comprising: a base steel sheet; a Zn—Mg—Al plating layer provided on at least one surface of the base steel sheet; and an Fe—Al inhibition layer provided between the base steel sheet and the Zn—Mg—Al plating layer. The plating layer comprises, by weight %, 4 to 10% of Mg and 5.1-25% of Al and the remainder being Zn and unavoidable impurities with respect to components not including iron (Fe) diffused from the base steel sheet. The plating layer comprises a 24-50% MgZn2 phase in phase fraction. In the MgZn2 phase, an Al single phase is present in the ratio of 1-30% relative to the cross-sectional area of the total MgZn2 phase.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: August 6, 2024
    Assignees: POSCO, STEEL & CONVERGENCE TECHNOLOGY RESEARCH ASSOCIATION, POSCO COATED & COLOR STEEL CO., LTD.
    Inventors: Sung-Joo Kim, Kyung-Kwan Park, Moon-Hi Hong, Heung-Yun Kim, Tae-Yeul Park, Myung-Soo Kim, Il-Ryoung Sohn, Tae-Chul Kim, Dae-Young Kang
  • Publication number: 20240258524
    Abstract: The present disclosure relates to an anode active material for a sodium secondary battery, which has a layered crystal structure and is formed of nanoplatelets containing iron oxide having organic anions, and in which the nanoplatelets are provided in plural numbers and formed in a stacking structure spaced apart at a first interval.
    Type: Application
    Filed: January 9, 2024
    Publication date: August 1, 2024
    Applicants: Korea University Research and Business Foundation, KOREA BASIC SCIENCE INSTITUTE
    Inventors: Young-Keun KIM, Yong-Mook KANG, Ji-Ung CHO, Bum-Chul PARK, Dae-Bum LEE
  • Patent number: 11360612
    Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: June 14, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park, Sun Young Song, Hwansil Jang
  • Patent number: 11011281
    Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: May 18, 2021
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park
  • Publication number: 20210089151
    Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 25, 2021
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK, Sun Young SONG, Hwansil JANG
  • Patent number: 10884555
    Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: January 5, 2021
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park, Sun Young Song, Hwansil Jang
  • Publication number: 20190377439
    Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK
  • Patent number: 10430003
    Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: October 1, 2019
    Assignee: DONGWOO FINE-CHEM CO.. LTD.
    Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park
  • Publication number: 20180024671
    Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 25, 2018
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK, Sun Young SONG, Hwansil JANG
  • Publication number: 20180018040
    Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 18, 2018
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK
  • Publication number: 20140111962
    Abstract: A touch screen panel is provided with electromagnetic wave shielding properties. The touch screen panel includes an electromagnetic wave shielding layer on a window substrate. The electromagnetic wave shielding layer may include at least one alloy selected from the group consisting of copper, iron, nickel, aluminum, tin, indium, zinc, gold and silver, and oxides thereof, as an electromagnetic wave shielding material. The electromagnetic wave shielding layer may include at least one electromagnetic wave shielding material selected from the group consisting of polypyrrole, polythiophene, and polyaniline. When the touch screen panel further includes an index matching layer, the electromagnetic wave shielding layer may be formed on at least one face of the index matching layer. When electromagnetic wave shielding material is included in the index matching layer, the index matching layer functions as the electromagnetic wave shielding layer.
    Type: Application
    Filed: October 23, 2013
    Publication date: April 24, 2014
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Dae Chul PARK, Seung Kook KIM, Jong Min KIM