Patents by Inventor Chang Yong Lee

Chang Yong Lee 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: 11957141
    Abstract: An apparatus and method for manufacturing a grilled seaweed includes the apparatus comprising a grilling unit having a first housing with a first inlet opening and a first outlet opening which communicate with each other; a first conveyor for transferring a sheet of seaweed from the first inlet opening to the first outlet opening; a first heating source installed over the first conveyor to discharge a flame onto a top surface of the seaweed being transferred by the first conveyor; and a second heating source installed on both sides of a lower portion of the first conveyor to apply a flame onto a bottom surface of the seaweed being transferred by the first conveyor.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: April 16, 2024
    Assignees: CJ CHEILJEDANG CORPORATION, CJ SEAFOOD CORPORATION
    Inventors: Joo Dong Park, Chang Yong Lee, Eun Soo Kwak, Dae Ik Kang, Tae Hyeong Kim, Young Sub Choi
  • Patent number: 11958131
    Abstract: Disclosed are an aluminum-coated blank, a manufacturing method thereof, and an apparatus for manufacturing the same. The blank includes two or more aluminum-coated steel sheets connected together by a joint, each of the steel sheets including: a base steel sheet including 0.01-0.5 wt % of carbon, 0.01-1.0 wt % of silicon, 0.5-3.0 wt % of manganese, greater than 0 but not greater than 0.05 wt % of phosphorus, greater than 0 but not greater than 0.01 wt % of sulfur, greater than 0 but not greater than 0.1 wt % of aluminum, greater than 0 but not greater than 0.001 wt % of nitrogen, and the balance of iron and other inevitable impurities; and a coating layer including aluminum and formed on at least one surface of the base steel sheet.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: April 16, 2024
    Assignee: Hyundai Steel Company
    Inventors: Chang Yong Lee, Jeong Seok Kim, Sung Ryul Kim, Tae Woo Kwon
  • Publication number: 20240109350
    Abstract: The present disclosure relates to a portable printer including a main body in a portable form which is capable of accommodating a cartridge having a nozzle for delivering a printing material to a target having a soft or hard surface, a seating part which is provided to be exposed to an outside from a lower portion of the main body to face the surface of the target and at least partially surrounds the nozzle, a roller provided respectively at the front and rear of the nozzle at the lower portion of the main body with respect to a direction in which the main body moves along the surface of the target to deliver the printing material to the target, and a printing adjustment unit configured to adjust a height difference between the nozzle and the roller to adjust a height difference between the nozzle and the surface of the target.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 4, 2024
    Applicant: LG HOUSEHOLD & HEALTH CARE LTD.
    Inventors: Chang Hwan HYUN, Ji Hee LEE, Kang Ug LEE, Sung Hyoun JANG, Hyeon Jin KWEON, Hae Na CHEONG, Ji Hee JEONG, Jung Yong LEE, Ha Young KIM
  • Publication number: 20240103362
    Abstract: Disclosed herein is a method of printing a nanostructure including: preparing a template substrate on which a pattern is formed; forming a replica pattern having an inverse phase of the pattern by coating a polymer thin film on an upper portion of the template substrate, adhering a thermal release tape to an upper portion of the polymer thin film, and separating the polymer thin film from the template substrate; forming a nanostructure by depositing a functional material on the replica pattern; and printing the nanostructure deposited on the replica pattern to a substrate by positioning the nanostructure on the substrate, applying heat and pressure to the nanostructure, and weakening an adhesive force between the thermal release tape and the replica pattern by the heat.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 28, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Min KIM, Seung Yong LEE, So Hye CHO, Ho Seong JANG, Jae Won CHOI, Chang Kyu HWANG
  • Patent number: 11943985
    Abstract: Discussed are a light-emitting device and a light-emitting display device having improved efficiency and increased lifespan. A plurality of stacks is provided between an anode and a cathode for at least a subpixel to emit a predetermined color, and emissive layers in different stacks include the same color-based materials having different luminous properties.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: March 26, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jin Ho Park, Kyu Il Han, Chang Hwan Kwak, Dong Hyeok Lim, Hwa Yong Shin, Ji Hyung Lee
  • Publication number: 20240091759
    Abstract: Disclosed herein is a method of depositing a transition metal single-atom catalyst including preparing a carbon carrier, and depositing a transition metal single-atom catalyst on the carbon carrier, in which the carbon carrier is surface-treated by an oxidation process, and wherein the deposition is carried out by an arc plasma process.
    Type: Application
    Filed: September 15, 2023
    Publication date: March 21, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Min KIM, Sang Hoon KIM, Chang Kyu HWANG, Seung Yong LEE, So Hye CHO, Jae Won CHOI
  • Patent number: 11936417
    Abstract: The present invention relates to a time-division duplex (TDD) antenna apparatus which can reduce signal loss, and thereby minimize the noise figure (NF) of a system and extend uplink coverage of the system, by separating a transmitter circuit from a receiver circuit of the antenna apparatus, and disposing a low noise amplifier (LNA) of the receiver circuit between a reception antenna and a reception filter of the receiver. A time-division duplex antenna apparatus according to an embodiment of the present invention includes: a transmitter which includes at least one transmission antenna module and transmits a downlink signal through a first path; a receiver which includes at least one reception antenna module and receives an uplink signal through a second path that is separated from the first path without any overlapping portions thereof; and a controller which controls the transmitter and the receiver in a time-division duplex manner.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: March 19, 2024
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Min Seon Yun, Bae Mook Jeong, Chang Seob Choi, Su Won Lee
  • Patent number: 11921579
    Abstract: A method of operating a memory device is provided. The method includes: receiving a first command from a controller; activating a page of a memory cell array based on the first command; reading data of the activated page; detecting an error from the read data; correcting the detected error to generate error correction data; writing back the error correction data to the activated page in based on the detected error being a single-bit error; and blocking write-back of the error correction data to the activated page based on the detected error being a multi-bit error.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Heung Kim, Jun Hyung Kim, Chang-Yong Lee, Sang Uhn Cha, Kyung-Soo Ha
  • Publication number: 20240073361
    Abstract: A remote consulting service apparatus may include: a first image collection unit configured to capture a first image displayed on a screen of a customer terminal; a first display unit on which the first image collected from the first image collection unit is displayed; and a control unit configured to perform control such that information input from a consultant is displayed on the first image displayed on the first display unit. The remote consulting service apparatus may further include a second image collection unit configured to capture a face image of the customer.
    Type: Application
    Filed: March 7, 2022
    Publication date: February 29, 2024
    Inventors: Joo Yong LEE, Myong Won SEO, Chang Young SO
  • Patent number: 11912910
    Abstract: A conductive film laminate according to an embodiment of the present disclosure includes a carrier substrate, a conductive film liner on the carrier substrate, and a conductive adhesive film formed on the conductive film liner. The conductive film liner and the conductive adhesive film may form a cut pattern which does not cover the entire carrier substrate. The conductive adhesive film having a narrow width can be stably supplied on the carrier substrate. The conductive adhesive film may be used as an anisotropic conductive film for a bonding process of a touch sensor.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: February 27, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Hyuk Hwan Kwon, Sun Kwon Ahn, Chang Yong Lee
  • Publication number: 20230216698
    Abstract: A method for processing an abusing message in an anonymous chatroom includes providing a rule set of a latest version to an administrator terminal of the anonymous chatroom when the administrator terminal logs in to an account through a message application or enters the anonymous chatroom, receiving a new message in the anonymous chatroom, providing the new message to the administrator terminal, receiving a request for hiding the new message from the administrator terminal when the new message is determined to be an abusing message based on at least one of a spam keyword and the rule set stored in the administrator terminal, and transmitting a command to hide the new message to a user terminal that joins the anonymous chatroom according to the request for hiding the new message.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 6, 2023
    Inventors: Soo Bum KIM, Jung Woo CHOI, Min Jeong KIM, Keun Seop LEE, Chang Yong LEE
  • Publication number: 20230216814
    Abstract: Provided are a method and apparatus for managing an abusing message based on an interface. The method of managing the abusing message includes storing at least one of a rule set and a spam keyword for an abusing message, receiving a new message transmitted to an anonymous chatroom, determining the new message as the abusing message based on the at least one of the rule set and the spam keyword, and hiding the abusing message in a chat window. The administrator terminal is configured to set activation of a function for hiding the abusing message through an interface distinguished from the chat window.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 6, 2023
    Inventors: Soo Bum KIM, Jung Woo CHOI, Min Jeong KIM, Keun Seop LEE, Chang Yong LEE
  • Patent number: 11655716
    Abstract: A cooling structure for a trailing edge of a turbine blade is provided. The cooling structure for the trailing edge of the turbine blade comprising an airfoil shaped blade part including a leading edge, a trailing edge, a pressure surface and a suction surface connecting the leading edge and the trailing edge, and a cavity channel formed in the blade part and through which a cooling fluid flows, the cooling structure including slots and lands arranged alternately on the trailing edge along a span direction of the pressure surface by cutting a portion of the pressure surface, the slots communicating with the cavity channel and defined by adjacent lands where the pressure surface remains, wherein a pin-fin structure is disposed in the cavity channel on an upstream side of the slot, and wherein the cooling fluid is introduced through a micro-channel formed inside the pin-fin structure and is discharged through film cooling holes formed in the pressure surface.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: May 23, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Chang Yong Lee, Hyung Hee Cho, JeongJu Kim, Seungyeong Choi, Hee Seung Park
  • Patent number: 11624284
    Abstract: An impingement cooling structure is provided. The impingement cooling structure includes a flow channel formed between a first wall and a second wall facing the first wall, a plurality of impingement cooling holes disposed in the first wall such that the plurality of impingement cooling holes are spaced apart from each other along the flow channel, and a flow diverter convexly protruding from a surface of the second wall in each space between injection axes of the plurality of impingement cooling holes.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: April 11, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Chang Yong Lee, Hyung Hee Cho, Min Ho Bang, Tae Hyun Kim, Ho Seop Song
  • Patent number: 11624285
    Abstract: An airfoil of either of a turbine blade or a turbine vane includes a cooling passage; at least one disk body disposed on an inner wall of the cooling passage and configured to reduce a flow cross-sectional area of the cooling passage to increase a fluid pressure of cooling fluid flowing through the cooling passage; and at least one through-hole formed in each of the at least one disk body such that the cooling fluid flows through the at least one through-hole and forms a vortex on a downstream side of the at least one through-hole. The cooling passage includes an inlet supplied with the cooling fluid and an end opposite to the inlet, and the at least one disk body is disposed at the inlet of the cooling passage and is configured to increase the fluid pressure of the cooling fluid flowing into the cooling passage.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: April 11, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventor: Chang Yong Lee
  • Publication number: 20230104841
    Abstract: An exemplary embodiment of the present invention discloses an aluminum-based blank including: a first plated steel plate; a second plated steel plate connected to the first plated steel plate; and a joint connecting the first plated steel plate and the second plated steel plate at a boundary between the first plated steel plate and the second plated steel plate.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 6, 2023
    Inventors: Chang Yong Lee, Joo Sik Hyun, Sang Hyeon Park, Jeong Seok Kim
  • Publication number: 20230012525
    Abstract: A method of operating a memory device is provided. The method includes: receiving a first command from a controller; activating a page of a memory cell array based on the first command; reading data of the activated page; detecting an error from the read data; correcting the detected error to generate error correction data; writing back the error correction data to the activated page in based on the detected error being a single-bit error; and blocking write-back of the error correction data to the activated page based on the detected error being a multi-bit error.
    Type: Application
    Filed: March 11, 2022
    Publication date: January 19, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Heung KIM, Jun Hyung KIM, Chang-Yong LEE, Sang Uhn CHA, Kyung-Soo HA
  • Patent number: 11525362
    Abstract: A turbine vane and a turbine blade are provided. Each of the turbine vane and the turbine blade may include a sidewall configured to form an airfoil and include a leading edge and a trailing edge, a partition wall configured to partition an internal space of the sidewall to form a plurality of cooling channels, and a metering plate configured to block inlet parts of the cooling channels and include cooling holes communicating with respective cooling channels. The metering plate may include a first cooling hole formed in the inlet part of each of the cooling channels and a second cooling hole formed, at a position close to the leading edge, in the inlet part of the cooling channel adjacent to the leading edge among the plurality of cooling channels.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: December 13, 2022
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Chang Yong Lee, Ji Yeon Lee
  • Patent number: 11421900
    Abstract: Disclosed herein is an air conditioner and control method of determining duration to be maintained at a reference temperature of a mode change based on an outdoor temperature. The air conditioner includes a compressor, an outdoor heat exchanger, an indoor heat exchanger, a four-way valve configured to guide refrigerant compressed in the compressor to either the outdoor heat exchanger or the indoor heat exchanger according to a cooling mode or a heating mode, and a controller configured to determine duration corresponding to a measured outdoor temperature, change the heating mode to the cooling mode when the measured indoor temperature is maintained at a first reference indoor temperature or greater for the determined duration, and change the cooling mode to the heating mode when a measured indoor temperature is maintained at a second reference indoor temperature or less for the determined duration.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: August 23, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk Ho Lee, Chang Yong Lee, Jae Hun Hur, Min Chang, Dae Chui Han, Jong Won Bak, Hyeong Joon Seo, Dong Il Jung
  • Patent number: 11392230
    Abstract: A display device includes: a substrate including a plurality of pixel areas and a non-pixel area at least partially surrounding each of the pixel areas; an element layer disposed on the substrate; a pixel defining film disposed on the element layer, wherein the pixel defining film includes first openings and a second opening, wherein the first openings overlap the plurality of pixel areas, and the second opening overlaps the non-pixel area and extends along the plurality of pixel areas; a plurality of light emitting elements disposed in the first openings; a sealing layer disposed on the element layer to cover the light emitting elements and the pixel defining film; and an input sensing part overlapping the second opening and disposed on the sealing layer.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minsu Lee, DeokHoi Kim, Sungin Ro, Yongsung Park, Soomin Lee, Chang Yong Lee, Soonmyung Hong