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).

  • 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
  • Publication number: 20220170373
    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: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Inventor: Chang Yong Lee
  • Publication number: 20220134404
    Abstract: According to an exemplary embodiment of the present disclosure, disclosed is an aluminum coated blank that includes a first coated steel sheet; a second coated steel sheet connected to the first coated steel sheet; and a joint portion that connects the first coated steel sheet to the second coated steel plate at a boundary between the first coated steel sheet and the second coated steel sheet.
    Type: Application
    Filed: December 3, 2020
    Publication date: May 5, 2022
    Inventors: Chang Yong Lee, Sung Ryul Kim, Jeong Seok Kim, Joo Sik Hyun, Yoo Dong Chung, Soon Geun Jang
  • Publication number: 20220127963
    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: Application
    Filed: September 13, 2021
    Publication date: April 28, 2022
    Inventors: Chang Yong LEE, Hyung Hee CHO, Min Ho BANG, Tae Hyun KIM, Ho Seop SONG
  • Publication number: 20220127964
    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: Application
    Filed: July 21, 2021
    Publication date: April 28, 2022
    Inventors: Chang Yong LEE, Hyung Hee Cho, Jeong Ju Kim, Seungyeong Choi, Hee Seung Park
  • Patent number: 11293287
    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: May 15, 2020
    Date of Patent: April 5, 2022
    Inventor: Chang Yong Lee
  • Patent number: 11231216
    Abstract: An air conditioner, a control device thereof, and a method of controlling the same are provided. The air conditioner includes a control device including a plurality of indoor unit operation changers, and an indoor unit connected to any one of the plurality of indoor unit operation changers, where at least one of the indoor unit and the control device determines an operation mode of each of the plurality of indoor unit operation changers respectively connected to a plurality of indoor units, detects an indoor unit operation changer at an operation mode corresponding to an operation of any one of the plurality of indoor units among the plurality of indoor unit operation changers, and determines an indoor unit operation changer connected to the indoor unit among the plurality of indoor unit operation changers on based on a result of detecting at least one of the indoor unit operation changers.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: January 25, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Il Jung, Chang-Yong Lee, Jeong Mun Yeom, Je-Jin Lee, Jae Hun Hur, Dong Hyun Goh, Kwang Il Nam, Hyeong Joon Seo, Dong Kue Lee, Suk Ho Lee, Byoung Guk Lim, Hong Seok Jun
  • Publication number: 20220010683
    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: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Inventors: Chang Yong Lee, Ji Yeon Lee
  • Publication number: 20210370440
    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: Application
    Filed: November 4, 2020
    Publication date: December 2, 2021
    Inventors: Chang Yong Lee, Jeong Seok Kim, Sung Ryul Kim, Tae Woo Kwon
  • Patent number: 11162371
    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: August 16, 2019
    Date of Patent: November 2, 2021
    Inventors: Chang Yong Lee, Ji Yeon Lee
  • Patent number: 11149557
    Abstract: A turbine vane is provided. The turbine vane may include a sidewall configured to form an airfoil including a leading edge and a trailing edge, an insert configured to be inserted inside the sidewall such that a gap is formed between the insert and an inner surface of the sidewall and include a plurality of insert holes, and a plurality of guides extending from the sidewall and configured to guide a flow of cooling fluid through the gap, wherein the plurality of guides guide cooling fluid drawn through the insert holes to prevent the cooling fluid from interfering with a flow of cooling fluid drawn through a subsequent insert hole.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: October 19, 2021
    Inventor: Chang Yong Lee
  • Publication number: 20210301181
    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: Application
    Filed: March 25, 2021
    Publication date: September 30, 2021
    Inventors: Hyuk Hwan KWON, Sun Kwon AHN, Chang Yong LEE
  • Patent number: 11060749
    Abstract: The present disclosure relates to an air conditioner, an air conditioner controlling system, and an air conditioner controlling method. The air conditioner controlling system includes one or more controlled air conditioners, a main controlling air conditioner having control authority over, from among the one or more controlled air conditioners, one or more controlled air conditioners that belong to an upper rank group corresponding to the main controlling air conditioner, and a sub-controlling air conditioner having control authority over, from among the one or more controlled air conditioners, one or more controlled air conditioners that belong to a first lower rank group.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: July 13, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hun Hur, Min Gyu Kim, Chang-Yong Lee
  • Publication number: 20210132720
    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: Application
    Filed: July 28, 2020
    Publication date: May 6, 2021
    Inventors: MINSU LEE, DeokHoi KIM, SUNGIN RO, YONGSUNG PARK, Soomin LEE, Chang Yong LEE, Soonmyung HONG
  • Publication number: 20210028362
    Abstract: An embodiment of the present inventive concept provides a display device including: a mother substrate on which a plurality of display modules are located; and a mother film located on a rear surface of the mother substrate, wherein the mother film may include a first layer, and a second layer disposed between the first layer and the mother substrate, the second layer has a thickness of from about 40 ?m to about 60 ?m, and a thickness of the first layer may be greater than that of the second layer.
    Type: Application
    Filed: May 11, 2020
    Publication date: January 28, 2021
    Inventors: Kwang Nyun KIM, Ki Chul BAE, Jong Gil RYU, Seung Min LEE, Chang Yong LEE, Chul Kyu CHOI, In HUH, Jong Hak HWANG
  • Patent number: 10900674
    Abstract: Provided is an air conditioning apparatus, a central control apparatus of the air conditioning apparatus, a remote control apparatus of the air conditioning apparatus, an indoor apparatus of the air conditioning apparatus and a method of controlling thereof. The central control apparatus of the air conditioning apparatus includes: a plurality of branched ports connected to a pipe of a plurality of indoor apparatuses and provided with predetermined identification information; and a central controller configured to identify the plurality of indoor apparatuses connected through the branched port, based on the identification information, and configured to control an operation of components contained in the air conditioning apparatus based on a result of the identification.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: January 26, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hun Hur, Chang-Yong Lee, Min Gyu Kim, Yun-Nam Kim