Patents by Inventor Cheol Ki Lee

Cheol Ki 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: 20200294219
    Abstract: A defect inspecting apparatus includes a reference image generator configured to generate a first reference image and a second reference image from design layout data. An image inspector is configured to obtain a first inspection image of a first inspection region of a photomask and a second inspection image of a second inspection region of the photomask. An operation processor is configured to extract a first coordinate offset by comparing the first inspection image with the first reference image and to extract a second coordinate offset by comparing the second inspection image with the second reference image.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Inventors: KANG WON LEE, Cheol ki Min, Jong Ju Park, Hyon Seok Song
  • Patent number: 10726541
    Abstract: A defect inspecting apparatus includes a reference image generator configured to generate a first reference image and a second reference image from design layout data. An image inspector is configured to obtain a first inspection image of a first inspection region of a photomask and a second inspection image of a second inspection region of the photomask. An operation processor is configured to extract a first coordinate offset by comparing the first inspection image with the first reference image and to extract a second coordinate offset by comparing the second inspection image with the second reference image.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kang Won Lee, Cheol Ki Min, Jong Ju Park, Hyon Seok Song
  • Publication number: 20200212280
    Abstract: The present invention relates to a metal paste including: a first metal powder including nickel (Ni); a second metal powder including at least one selected from the group consisting of tin (Sn), zinc (Zn), bismuth (Bi), and indium (In); and a dispersing agent, and to a thermoelectric module which adopts a bonding technique using the metal paste.
    Type: Application
    Filed: March 6, 2020
    Publication date: July 2, 2020
    Inventors: Dae Ki Lee, Dong-Sik Kim, Cheol-Hee Park
  • Publication number: 20200200049
    Abstract: A composite power generating device of the present invention includes an engine (110), a first flow line (121), a turbocharger (130), a second flow line (122), a third flow line (123), a compressor (211), a first medium line (221), a medium turbine (212), a second medium line (222), a working medium cooler (213), a recuperator (215), a power generating unit (214), a cross-line (233), a first heat exchanger (251), a second heat exchanger (252), and a third heat exchanger (253).
    Type: Application
    Filed: January 22, 2018
    Publication date: June 25, 2020
    Inventors: Gwang Nyeon RYU, Jin Ki HAM, Beom Joo KIM, Cheol Hee LEE
  • Publication number: 20200188993
    Abstract: A composite casting system for manufacturing a heterogeneous material casting product may include a fixed mold; a movable mold for opening or closing one side of the fixed mold; a slide core pin provided inside the fixed mold or the movable mold, and capable of being protruded to a cavity side, which is formed by a combination of the fixed mold and the movable mold, from the inside of the fixed mold or the movable mold; a high-pressure casting device for injecting high-pressure casting molten metal into the cavity; and a gravity casting device for injecting gravity casting molten metal through a gravity casting hole formed on the fixed mold or the movable mold.
    Type: Application
    Filed: December 9, 2019
    Publication date: June 18, 2020
    Inventors: Hyo-Moon JOO, Ji-Yong LEE, Cheol-Ung LEE, Mun-Gu KANG, Min-Soo KIM, Yoon-Ki LEE
  • Patent number: 10682690
    Abstract: A centrifugal casting apparatus for different materials may include a mold having a shape corresponding to a shape of an outer surface of a casting to be produced, and having a cavity receiving molten metals therein, a molten metal guide inserted into the mold and configured to guide the molten metals so that the molten metals are separately injected into the mold, a guide fixing support fixing the molten metal guide to a predetermined position, and a motor configured to rotate the mold around a rotation axis.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: June 16, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hyo-Moon Joo, Ji-Yong Lee, Yoon-Ki Lee, Young-Chan Kim, Cheol-Ung Lee, Jun-Min Lee, Mun-Gu Kang, Young-Rae Cho, Min-Soo Kim, Jae-Gi Sim
  • Patent number: 10622533
    Abstract: The present invention relates to a metal paste including: a first metal powder including nickel (Ni); a second metal powder including at least one selected from the group consisting of tin (Sn), zinc (Zn), bismuth (Bi), and indium (In); and a dispersing agent, and to a thermoelectric module which adopts a bonding technique using the metal paste.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: April 14, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Dae Ki Lee, Dong-Sik Kim, Cheol-Hee Park
  • Patent number: 10608156
    Abstract: The present disclosure discloses a thermoelectric module to which a bonding technique for stably driving the thermoelectric module at high temperatures is applied and a method of manufacturing the thermoelectric module. The thermoelectric module according to the present disclosure includes thermoelectric elements including a thermoelectric semiconductor, an electrode which includes a metal material and is connected between the thermoelectric elements, and a bonding layer which is interposed between the thermoelectric element and the electrode to bond the thermoelectric element with the electrode and includes a metal compound including metals of two or more classes as a sintered body of a paste including metal powders of two or more classes.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: March 31, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Dae-Ki Lee, Dong-Sik Kim, Ye-Rok Park, Jae-Ki Lee, Byung-Kyu Lim, Hyun-Woo Choi, Cheol-Hee Park, Seung-Hyup Lee
  • Publication number: 20200019053
    Abstract: A blankmask according to the present disclosure includes a light-shielding film provided on a transparent substrate; and a hard mask film provided on the light-shielding film and comprising molybdenum chromium (MoCr). Thus, the hard mask film has not only an enhanced etching speed but also sufficient etching resistance to fluorine (F)-based dry etching, so that an etching load against a resist film can be decreased and a hard mask film pattern and a light-shielding film pattern can be improved in a line edge roughness (LER), thereby forming a photomask for high-precision pattern printing.
    Type: Application
    Filed: December 7, 2018
    Publication date: January 16, 2020
    Applicant: S&S TECH Co., Ltd.
    Inventors: Cheol SHIN, Jong-Hwa LEE, Chul-Kyu YANG, Min-Ki CHOI
  • Patent number: 10465065
    Abstract: Disclosed herein is a compound composition for a vehicle interior material using a natural fiber, which has use for enhancing physical properties, such as shock resistance, tensile strength, flexural strength, elongation, flexural modulus of elasticity, and heat deflection temperature, while realizing a reduction in weight of a vehicle. The compound composition is composed of a base resin obtained by mixing a high-fluidity polypropylene resin and a high-impact polypropylene resin, the base resin being a thermoplastic resin, a reinforcing filler that is a lightweight, eco-friendly, and low-density natural fiber, an impact modifier that is ethylene-propylene-octene rubber, an inorganic filler that functions as a nuclear agent, and a maleic-anhydride compatibilizer.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: November 5, 2019
    Assignees: HANYANG ADVENCED MATERIALS CO., LTD., SEOYON E-HWA CO., LTD.
    Inventors: Cheol Woo Kim, Deuk Ki Joo, Ki Woong Lee
  • Patent number: 10465066
    Abstract: A polypropylene composite resin composition and an automotive interior part molded using the polypropylene composite resin composition are provided herein. The polypropylene composite resin composition contains: (a) an easily injection moldable polypropylene polymer, (b) a thermoplastic elastomer for improving impact resistance, (c) a platy inorganic filler surface-treated with an organosilane having affinity for a phytoncide, (d) a phytoncide having deodorizing capability and aromaticity, (e) a processing oil preventing pyrolysis of the phytoncide, and (f) a surfactant for improving the compatibility between the base resin and the phytoncide at specific compositional ratios. The automotive interior part molded using the polypropylene composite resin composition disclosed herein provides a pleasant environment for drivers by removing the offensive odor from volatile organic compounds (VOCs), etc. and maintaining the intrinsic scent of the phytoncide for a long time.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: November 5, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, GS Caltex
    Inventors: Han Ki Lee, Mun Gyu Bak, Cheol Hee Park, Seung Hyun Lee, Jae Min Kim
  • Patent number: 10443175
    Abstract: The present invention relates to a washing machine which can reduce energy required for a washing cycle and a drying cycle. The washing machine includes a moisture absorption element containing porous aluminosilicate, in which the porous aluminosilicate has a Si/Al atomic ratio of 15 or less and a total specific volume (Vtotal) of pores of 0.3 cm3/g, the Vtotal of pores being defined as sum of Vmeso and Vmicro.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: October 15, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Sang Yun Jung, Cheol-Hee Park, Kwon Il Choi, Shin Hee Jun, Dae Ki Lee, Myoung hwan Oh
  • Patent number: 10396263
    Abstract: Disclosed is surface-treated thermoelectric powder which may be used for manufacturing a Skutterudite-based thermoelectric material with improved thermoelectric performance. The thermoelectric powder may include a core portion having one or more Skutterudite particles, and a coating portion having a Ni-containing material and coated on at least a part of a surface of the core portion.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: August 27, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Ki Lee, Tae-Hoon Kim, Cheol-Hee Park, Kyung-Moon Ko, Chee-Sung Park, Myung-Jin Jung
  • Patent number: 10354165
    Abstract: An apparatus for detecting an afterimage candidate region includes: a comparison unit which compares gradation data of an n-th frame with integrated gradation data of an (n?1)-th frame and generates integrated gradation data of the n-th frame, where n is a natural number; a memory which provides the integrated gradation data of the (n?1)-th frame to the comparison unit and stores the integrated gradation data of the n-th frame; and an afterimage candidate region detection unit which detects an afterimage candidate region based on the integrated gradation data of the n-th frame, where each of the integrated gradation data of the n-th frame and the integrated gradation data of the (n?1)-th frame comprises a comparison region and a gradation region.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: July 16, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Jun Jang, Nam Gon Choi, Joon Chul Goh, Gi Geun Kim, Geun Jeong Park, Cheol Woo Park, Yun Ki Baek, Jeong Hun So, Dong Gyu Lee
  • Publication number: 20190168294
    Abstract: A centrifugal casting apparatus for different materials may include a mold having a shape corresponding to a shape of an outer surface of a casting to be produced, and having a cavity receiving molten metals therein, a molten metal guide inserted into the mold and configured to guide the molten metals so that the molten metals are separately injected into the mold, a guide fixing support fixing the molten metal guide to a predetermined position, and a motor configured to rotate the mold around a rotation axis.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 6, 2019
    Inventors: Hyo-Moon JOO, Ji-Yong LEE, Yoon-Ki LEE, Young-Chan KIM, Cheol-Ung LEE, Jun-Min LEE, Mun-Gu KANG, Young-Rae CHO, Min-Soo KIM, Jae-Gi SIM
  • Patent number: 10297363
    Abstract: The present invention relates to a composition for forming a conductive pattern and a resin structure having a conductive pattern, wherein the composition makes it possible to form a fine conducive pattern on various polymer resin products or resin layers through a simple process, and can more effectively meet needs of the art, such as displaying various colors.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: May 21, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Shin Hee Jun, Dae Ki Lee, Se Hui Sohn, Han Nah Jeong, Cheol-Hee Park, Chee-Sung Park, Jae Hyun Kim, Ha Na Lee
  • Publication number: 20190139209
    Abstract: A defect inspecting apparatus includes a reference image generator configured to generate a first reference image and a second reference image from design layout data. An image inspector is configured to obtain a first inspection image of a first inspection region of a photomask and a second inspection image of a second inspection region of the photomask. An operation processor is configured to extract a first coordinate offset by comparing the first inspection image with the first reference image and to extract a second coordinate offset by comparing the second inspection image with the second reference image.
    Type: Application
    Filed: June 20, 2018
    Publication date: May 9, 2019
    Inventors: Kang Won Lee, Cheol Ki Min, Jong Ju Park, Hyon Seok Song
  • Patent number: 8333216
    Abstract: A blow-off valve for a turbo blower 1000 has a body part 100 which includes a cylinder part 110, a valve-guide plate 130 on the cylinder part 110 and a head part 150 covering the valve-guide plate 130. In the cylinder part 110, a blow-connection opening 1038 connected with a blow opening 2500 of the turbo blower 2000 and a blow-off opening 1058 to blow off the emission air from the turbo blower 2000. A spool valve 300 is provided and a blow-pressure spool 380 is located at space connected with the blow-connection opening 1038 and a blow-pressure opposing spool 330 is located between the valve-guide plate 130 and the head part 150 and a stem of the spool valve penetrates the valve-guide plate 130 and is supported thereby. A three-way solenoid valve 20 is mounted on the head part 150.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: December 18, 2012
    Assignee: Neuros, Co., Ltd.
    Inventors: Dong Kwon Kim, Cheol Ki Lee
  • Publication number: 20100032601
    Abstract: A blow-off valve for a turbo blower 1000 has a body part 100 which includes a cylinder part 110, a valve-guide plate 130 on the cylinder part 110 and a head part 150 covering the valve-guide plate 130. In the cylinder part 110, a blow-connection opening 1038 connected with a blow opening 2500 of the turbo blower 2000 and a blow-off opening 1058 to blow off the emission air from the turbo blower 2000. A spool valve 300 is provided and a blow-pressure spool 380 is located at space connected with the blow-connection opening 1038 and a blow-pressure opposing spool 330 is located between the valve-guide plate 130 and the head part 150 and a stem of the spool valve penetrates the valve-guide plate 130 and is supported thereby. A three-way solenoid valve 20 is mounted on the head part 150.
    Type: Application
    Filed: April 10, 2008
    Publication date: February 11, 2010
    Applicant: NEUROS CO., LTD.
    Inventors: Dong Kwon Kim, Cheol Ki Lee
  • Patent number: RE47444
    Abstract: Disclosed is a light emitting element package having excellent heat radiation performance and high luminance, and a backlight unit including the same. The light emitting element package includes a package including a lead frame, a light emitting element provided on the lead frame, and a molded material combined with the lead frame and having an opening for emitting light generated by the light emitting element, and a reflection structure having an opening corresponding to the opening of the molded material, and contacting the molded material.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: June 18, 2019
    Assignee: LUMENS CO., LTD.
    Inventors: Seung Hyun Oh, Pyoung Gug Kim, Seung Hoon Lee, Chun Ki Min, Jung A Lim, Jun Hyung Lim, Cheol Hun Jung, Bo Hyun Chung