Patents by Inventor Chang-Soo Kim

Chang-Soo Kim 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: 20250250494
    Abstract: Disclosed herein is a method of polymerizing and upgrading biomass pyrolysis oil. The method includes the steps of: obtaining a hydrogenation reaction product by adding biomass pyrolysis oil to a first-stage catalyst containing a transition metal supported on carbon; obtaining a first hydrodeoxygenation reaction product by adding the hydrogenation reaction product to a second-stage catalyst containing nickel and iron supported on a metal oxide; obtaining a polymerization reaction product by adding the first hydrodeoxygenation reaction product to a third-stage catalyst containing zeolite; and obtaining a second hydrodeoxygenation reaction product by adding the polymerization reaction product to a fourth-stage catalyst containing a transition metal supported on tungstate zirconia.
    Type: Application
    Filed: May 8, 2024
    Publication date: August 7, 2025
    Inventors: Jina EUN, Jeong-Myeong HA, Jae Wook CHOI, Young Hyun YOON, Dong Jin SUH, Chun-Jae YOO, Kwang Ho KIM, Chang Soo KIM, Kyeongsu KIM, Hyun Joo LEE
  • Publication number: 20250218372
    Abstract: A display panel can include a plurality of data lines, a plurality of gate lines, a plurality of power lines, and a plurality of pixels. Also, each of the plurality of pixels can include a first light-emitting element, a second light-emitting element, a compensation part configured to supply a current to the first light-emitting element and the second light-emitting element, a switch circuit, and a mode control part. The switch circuit is configured to in response to receiving a mode selection signal, supply the current to the first light-emitting element in a first mode, and supply the current to the second light-emitting element in a second mode or to supply the current to both of the first light-emitting element and the second light-emitting element in the second mode. Also, the mode control part is configured to supply the mode selection signal to the switch circuit.
    Type: Application
    Filed: November 25, 2024
    Publication date: July 3, 2025
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Kwang Hyun CHOI, Chang Soo KIM, Seong Yeong KIM
  • Publication number: 20250177956
    Abstract: The present disclosure discloses a catalyst for hydrogenolysis reaction of waste plastics, a method for producing the same, and a method for converting the waste plastics using the same. The catalyst comprises a ceria carrier; and a transition metal supported on the carrier. The catalyst has the effect of producing hydrocarbon compounds such as naphthas, fuels, and lubricants from waste plastics at a low temperature of 200 to 250° C.
    Type: Application
    Filed: November 21, 2024
    Publication date: June 5, 2025
    Inventors: Chun-Jae YOO, Kwang Ho KIM, Chang Soo KIM, Kyeongsu KIM, Jae Wook CHOI, Dong Jin SUH, Jeong-Myeong HA, Young Hyun YOON, Hyun Joo LEE, Achmad Buhori
  • Publication number: 20250110503
    Abstract: A map generation method including receiving a map editing request for a specific floor among a plurality of floors of a building, providing an editing interface on a display unit of an electronic device in response to the map editing request, the editing interface including at least a part of a specific map corresponding to the specific floor, specifying at least one node group allocatable on the specific map based on first node rules, the first node rules corresponding to spatial characteristics of the specific floor, and performing a node placement process such that first nodes included among the at least one node group are placed on the specific map.
    Type: Application
    Filed: December 13, 2024
    Publication date: April 3, 2025
    Applicant: NAVER CORPORATION
    Inventors: Young Hwan YOON, Kay PARK, Jung Eun KIM, Jin Young CHOI, Deok Hwa KIM, Ka Hyeon KIM, Su Won CHAE, Chang Soo KIM, Jin Yong KIM, Yo Han CHO
  • Publication number: 20250062238
    Abstract: A semiconductor package is provided. The semiconductor package comprises a package substrate, a first semiconductor chip on the package substrate, a second semiconductor chip spaced apart from the first semiconductor chip on the package substrate, and a bridge die placed below the first semiconductor chip and the second semiconductor chip on the package substrate, wherein the bridge die includes a first face that faces the first semiconductor chip and the second semiconductor chip, a second face that faces the package substrate, a connection wiring structure which is placed on the first face, and connects the first semiconductor chip and the second semiconductor chip, and a power wiring structure which is placed on the second face, and provides power to the first semiconductor chip and the second semiconductor chip.
    Type: Application
    Filed: February 26, 2024
    Publication date: February 20, 2025
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Bong Wee YU, Chang Soo KIM, Byung Chul JEON, Jun Ho HUH
  • Publication number: 20250028368
    Abstract: A hinge device of a portable terminal having a foldable structure, according to the present invention, comprises: a housing positioned between one-end portions of a first body and a second body; a first hinge blade and a second hinge blade fixed to the first body and the second body and rotationally supported on the housing to perform rotation movement as much as a predetermined angle between an ‘unfolded position’ at which the first body and the second body are placed on the same horizontal line and a ‘folded position’ at which the first body and the second body are facing and in contact with each other; and a slide member for interlocking the first hinge blade and the second hinge blade to perform a relative motion, wherein a first inclined guide protrusion and a second inclined guide protrusion are formed on bottom surfaces of the first hinge blade and the second hinge blade, a first inclined guide groove and a second inclined guide groove are formed on a top surface of the slide member in correspondence t
    Type: Application
    Filed: June 22, 2022
    Publication date: January 23, 2025
    Inventors: Sung Chun HONG, Hyun Taek JUNG, Chang Soo KIM
  • Publication number: 20250020445
    Abstract: Proposed are a wafer inspection apparatus and a method of inspecting a wafer using the wafer inspection apparatus. The proposed wafer inspection apparatus includes a horizontal magnetic field generation unit arranged proximate to a lateral surface of a wafer and forming a magnetic field in such a manner that lines of magnetic force propagate in a horizontal direction, a vertical magnetic field generation unit arranged under the wafer and generating a magnetic field in such a manner that lines of magnetic force propagate in a direction vertical to the wafer, an image measurement unit arranged over the wafer and measuring an image of the wafer, and a wafer movement stage moving the wafer in a first direction and a second direction.
    Type: Application
    Filed: July 12, 2024
    Publication date: January 16, 2025
    Inventors: Chan Yong HWANG, Kyoung Woong MOON, Chang Soo KIM, Sang Sun LEE, Seung Mo YANG
  • Patent number: 12085944
    Abstract: A moving path planning apparatus and method for a robot according to the exemplary embodiment of the present disclosure determine an actual moving path using a robot parameter set in advance on the basis of a moving path pattern acquired for every sub region of the map to determine an actual moving path of the robot in consideration of the turning radius of the robot.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: September 10, 2024
    Assignees: YUJIN ROBOT CO., LTD., Miele & Cie. KG
    Inventors: Seong Ju Park, Chang Soo Kim, In Hwan Kwon, Jee Seon Kim
  • Patent number: 12078506
    Abstract: The region segmentation apparatus and method for map decomposition of a robot according to the exemplary embodiment of the present disclosure segment the grid map into a plurality of regions in consideration of the graphic characteristic of the space and obstacles disposed in the space.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: September 3, 2024
    Assignees: Yujin Robot Co., Ltd., Miele & Cie. KG
    Inventors: Seong Ju Park, Chang Soo Kim, Ji Gwan Park, Jin Baek Kim, Dong Hyeon Seo
  • Patent number: 12053142
    Abstract: Disclosed are a mobile robot operation control method for safety management of a cleaning module and an apparatus therefor. The mobile robot operation control method for safety management according to an exemplary embodiment of the present disclosure includes a current measuring step of measuring a current value by sensing a current for a motor which is connected to a cleaning module to be driven; a cleaning module safety management step of determining a state of the cleaning module based on the measured current value and determining a safety management control mode based on the determination result; and an operation control step of controlling an operation of a mobile robot based on the safety management control mode.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: August 6, 2024
    Assignees: YUJIN ROBOT CO., LTD., Miele & Cie. KG
    Inventors: Seong Ju Park, Chang Soo Kim, Byung Kwon Moon, Nu Rim Han
  • Publication number: 20240247683
    Abstract: A hinge device of the present invention comprises: a housing positioned between an end of a first body and an end of a second body, which interwork and move relative to each other; first and second hinge blades fixed to the first and second bodies, respectively, and rotatably supported by the housing, respectively, so as to make rotating movements by a predetermined angle between “an unfolded position” in which the first and second bodies are on the same horizontal line and “a folded position” in which the first and second bodies face and fold onto each other; and first and second sloping plates installed on the first and second hinge blades, respectively, and configured to interwork by pressurization during rotational movements of the first and second hinge blades so as to move between a horizontal position in which same are aligned with horizontal lines of the first and second bodies in the “unfolded position” and a sloping position in which same are disposed to slope from the horizontal lines of the first
    Type: Application
    Filed: August 24, 2022
    Publication date: July 25, 2024
    Inventors: Sung Chun HONG, Hyun Taek JUNG, Chang Soo KIM
  • Publication number: 20240232002
    Abstract: Disclosed herein are a method and an apparatus for storing blockchain data based on error correction code. The method for storing blockchain data based on error correction code includes dividing block data to be stored into multiple subblock datasets, generating parity datasets corresponding to the block data, and storing the subblock datasets and the parity datasets in proportion to storage capacities of the blockchain data storage nodes.
    Type: Application
    Filed: October 18, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chang-Soo KIM, Myung-Cheol LEE
  • Patent number: 12011704
    Abstract: Disclosed herein is a catalyst for an upgrading reaction of biomass pyrolysis oil, a method for preparing the same, and a method for upgrading biomass pyrolysis oil using the same. The catalyst is a composite inorganic oxide, and the composite inorganic oxide includes lanthanum, nickel, titanium, and cerium. When a metal catalyst supported on carbon is used as a catalyst for a first step reaction, by using the catalyst as a catalyst for a second step reaction, the efficiency of the upgrading reaction of bio-oil is increased and a continuous reaction is possible without clogging of a continuous reactor.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: June 18, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chunjae Yoo, Jeong-Myeong Ha, Dong Jin Suh, Jae Wook Choi, Young Hyun Yoon, Kyeongsu Kim, Chang Soo Kim, Kwang Ho Kim, Thi Lien Do, Jong Hyun Lee, Jin A Eun
  • Patent number: 12004411
    Abstract: A viewing angle switchable display device can include a display panel including first, second, and third sub-pixels, each of the first, second, and third sub-pixels having a first emission area and a second emission area spaced apart from the first emission area; and a lens layer disposed over the display panel and including a first type of lens corresponding to the first emission area and a second type of lens corresponding to the second emission area, in which the first type of lens has a different shape than the second type of lens. Also, the display panel is configured to display an image according to a wide view mode via the first emission area and the first type of lens, and display the image according to a narrow view mode via the second emission area and the second type of lens.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: June 4, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Soon-Hwan Hong, Chang-Soo Kim, Sang-Hak Shin, Cheol-Hwan Lee, Seong-Yeong Kim
  • Publication number: 20240165589
    Abstract: Disclosed herein is a catalyst for an upgrading reaction of biomass pyrolysis oil, a method for preparing the same, and a method for upgrading biomass pyrolysis oil using the same. The catalyst is a composite inorganic oxide, and the composite inorganic oxide includes lanthanum, nickel, titanium, and cerium. When a metal catalyst supported on carbon is used as a catalyst for a first step reaction, by using the catalyst as a catalyst for a second step reaction, the efficiency of the upgrading reaction of bio-oil is increased and a continuous reaction is possible without clogging of a continuous reactor.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 23, 2024
    Inventors: Chunjae YOO, Jeong-Myeong HA, Dong Jin SUH, Jae Wook CHOI, Young Hyun YOON, Kyeongsu KIM, Chang Soo KIM, Kwang Ho KIM, Thi Lien DO, Jong Hyun LEE, Jin A EUN
  • Publication number: 20240134739
    Abstract: Disclosed herein are a method and an apparatus for storing blockchain data based on error correction code. The method for storing blockchain data based on error correction code includes dividing block data to be stored into multiple subblock datasets, generating parity datasets corresponding to the block data, and storing the subblock datasets and the parity datasets in proportion to storage capacities of the blockchain data storage nodes.
    Type: Application
    Filed: October 17, 2023
    Publication date: April 25, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chang-Soo KIM, Myung-Cheol LEE
  • Publication number: 20240129386
    Abstract: A hinge device of a portable terminal with a foldable structure according to the present invention includes: housing positioned between one end of a first body and one end of a second body; first hinge blade and second hinge blade fixed to the first body and the second body, respectively, and supported against the housing to rotate at a predetermined angle between an ‘unfolded position’ in which the first body and the second body are placed on the same horizontal line and a ‘folded position’ in which the first body and the second body face each other and thus come into contact with each other; and first interlocking gear and second interlocking gear for interlocking the first hinge blade and the second hinge blade with each other so that the first hinge blade and the second hinge blade move relative to each other, wherein the first interlocking gear and the second interlocking gear are mounted on the corresponding housing in such a way as to rotate relative to each other by a predetermined angle around gear s
    Type: Application
    Filed: March 17, 2022
    Publication date: April 18, 2024
    Inventors: Sung Chun HONG, Hyun Taek JUNG, Chang Soo KIM
  • Patent number: 11944958
    Abstract: Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: April 2, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chunjae Yoo, Jeong-Myeong Ha, Dong Jin Suh, Jae Wook Choi, Young Hyun Yoon, Kyeongsu Kim, Chang Soo Kim, Kwang Ho Kim, Thi Lien Do
  • Publication number: 20240023261
    Abstract: A foldable display apparatus is disclosed that comprises a first set housing and a second set housing and respectively supporting two different portions of a display panel; a sliding plate on an upper surface of one of the first set housing and the second set housing; a spring member applying pressure to the sliding plate such that the sliding plate moves in a direction that is dependent on a direction of folding of the foldable display apparatus; and a hinge assembly connected to the first set housing and the second set housing, the hinge assembly configured to fold the foldable display apparatus in a first direction and fold the foldable display apparatus in a second direction that is opposite the first direction.
    Type: Application
    Filed: July 14, 2023
    Publication date: January 18, 2024
    Inventors: Jungkyu PARK, Jaekyu LEE, Chang Soo KIM, TaeWoo KIM, Eunae CHO, SangJun LEE
  • Publication number: 20230409090
    Abstract: A hinge device for a portable terminal having a foldable structure according to the present invention comprises: a housing positioned between one end of a first body and one end a second body; a first hinge blade and a second hinge blade which are fixed to the first body and the second body, respectively, and are rotatably supported by the housing, so as to rotate at a predetermined angle between an ‘unfolded position’ in which the first body and the second body are placed on the same horizontal line and a ‘folded position’ in which the first body and the second body face each other and come into contact with each other; and a slide member that interlocks the first hinge blade and the second hinge blade such that the first hinge blade and the second hinge blade move relative to each other, wherein the first hinge blade and the second hinge blade have first inclined guide groove and second inclined guide groove formed on the undersides thereof, and correspondingly thereto, the slide member has first inclined g
    Type: Application
    Filed: December 2, 2021
    Publication date: December 21, 2023
    Inventors: Sung Chun HONG, Hyun Taek JUNG, Chang Soo KIM