Patents by Inventor Kwang-wook Choi

Kwang-wook Choi 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: 10971671
    Abstract: A thermoelectric conversion module may include a plurality of n type thermoelectric conversion materials and a plurality of p type thermoelectric conversion materials that are disposed alternately, and a plurality of electrodes that connects the plurality of thermoelectric conversion material disposed alternately on one side and on an opposite side alternately, wherein the plurality of electrodes includes a first electrode configured to electrically connect the n type thermoelectric conversion material and the p type thermoelectric conversion material by penetrating the n type thermoelectric conversion material and the p type thermoelectric conversion material to transfer heat obtained from a heat source to the plurality of thermoelectric conversion materials.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: April 6, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Woo Kwak, Kwang Min Choi, Byung-Wook Kim, Hoo Dam Lee, Ho Chan An, Jong Ho Seon
  • Patent number: 10953387
    Abstract: Disclosed herein are a calcium salts-supported metal catalyst, a method for preparing the same, and a method for the hydrodeoxygenation reaction of oxygenates using the same. The catalyst, in which a metal catalyst is supported on a carrier of a calcium salt, for example, calcium carbonate, has the effect of increasing the efficiency of hydrodeoxygenation reaction of oxygenates.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: March 23, 2021
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jeong-Myeong Ha, Adid Adep Dwiatmoko, Jae Wook Choi, Dong Jin Suh, Jungho Jae, Young Hyun Yoon, Kwang Ho Kim
  • Publication number: 20210017020
    Abstract: Provided is a suspended type nanowire that is fixed and electrically connected to each of a first electrode disposed on a substrate and a second electrode disposed on the substrate and spaced apart from the first electrode and suspended on the substrate. Here, a cross-section in a direction perpendicular to a longitudinal direction of the suspended type nanowire includes at least one curved part, and the curve part includes a reference surface and at least one side surface extending downward from the reference surface.
    Type: Application
    Filed: July 15, 2020
    Publication date: January 21, 2021
    Applicant: Korea Advanced Institute of Science And Technology
    Inventors: Jun-Bo YOON, Jaeshin LEE, Kwang-Wook CHOI, Min-Seung JO
  • Publication number: 20200390842
    Abstract: The present invention relates to a composition comprising natural plant extracts for alleviating inflammation caused by yellow dust and fine particulate, wherein the plant extracts of the present invention inhibit a production of NO caused by the yellow dust and fine particulate and a production of inflammatory cytokines, thus having an excellent effect on preventing or alleviating skin inflammation caused by the yellow dust, fine particulate and other harmful substances.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 17, 2020
    Inventors: Jae Hun Kim, Seung Ki Lee, Joo Hyuck Lim, Yeon Sook Kim, Won Kang Moon, Chi Ho Choi, Kwang Jun Yoon, Sung Ho Moon, Sung Hyun Lee, Myeong Hun Yeom, Soo Mi Ahn, Kyoung Wook Kim, Mi Kyung Sung, Young Pyo Jang, Jinju Kim
  • Publication number: 20200386140
    Abstract: A thermoelectric generator for a vehicle utilizing heat of exhaust gas discharged from an engine of the vehicle includes a heat exchange unit, through which a coolant circulates, a thermoelectric generation unit for converting thermal energy of exhaust gas into electrical energy, a first flow passage for guiding the exhaust gas to pass through the heat exchange unit, a second flow passage for guiding the exhaust gas to pass through the thermoelectric generation unit, a third flow passage for guiding the exhaust gas to bypass the heat exchange unit and the thermoelectric generation unit without passing therethrough, a first valve for opening or closing the first flow passage, a second valve for selectively opening or closing the second flow passage and the third flow passage, and a driving unit for operating the first valve and the second valve by a single power source.
    Type: Application
    Filed: October 2, 2019
    Publication date: December 10, 2020
    Inventors: Ho Chan An, Byung Wook Kim, Hoo Dam Lee, Jin Woo Kwak, Kwang Min Choi, Jong Ho Seon
  • Publication number: 20200388686
    Abstract: A method for fabricating a semiconductor device includes forming a stack structure including a horizontal recess over a substrate, forming a blocking layer lining the horizontal recess, forming an interface control layer including a dielectric barrier element and a conductive barrier element over the blocking layer, and forming a conductive layer over the interface control layer to fill the horizontal recess.
    Type: Application
    Filed: January 13, 2020
    Publication date: December 10, 2020
    Inventors: Hyeng-Woo EOM, Jung-Myoung SHIM, Young-Ho YANG, Kwang-Wook LEE, Won-Joon CHOI
  • Patent number: 10863134
    Abstract: A display device is provided, which includes a display main body, a support configured to support the display main body, and the support being made of a transparent material, and a stand coupled to a lower portion of the support, wherein the display main body is configured to receive a power supply through the stand and the support.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-il Kang, Kwang-youn Kim, Seong-hoon Woo, Du-hee Jang, Hyun-young Jang, Shin-wook Choi
  • Patent number: 10845647
    Abstract: A display device includes a backlight unit and a display panel disposed above the backlight unit, where the backlight unit includes a light guide plate, a housing which is disposed at one side of the light guide plate and accommodates a wavelength converting member, and a flexible glass film which covers one side of the housing, and a first laser welding part is disposed between the flexible glass film and the housing.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Suk Seo, Sung Chul Kim, Won Jin Kim, Jung Hyun Kim, Seok Hyun Nam, Si Joon Song, Kwang Wook Choi
  • Publication number: 20200333827
    Abstract: An electrode structure includes: a first nonconductive layer; a first conductive layer disposed on the first nonconductive layer; a second nonconductive layer disposed on the first conductive layer; a second conductive layer disposed on the second nonconductive layer; and a third nonconductive layer disposed on the second conductive layer, where at least one of the first conductive layer and the second conductive layer includes a two-dimensional conductive material.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventors: Chan KWAK, Jae-Young CHOI, Kwang Hee KIM, Jong Wook ROH, Hyeon Cheol PARK, Weon Ho SHIN, Yun Sung WOO, Hyosug LEE, Jinyoung HWANG
  • Patent number: 10808592
    Abstract: A heat exchanger for a vehicle is provided to improve fuel efficiency by implementing an integrated structure of exhaust gas heat recovery function and thermoelectric generation function. The heat exchanger allows exhaust gas that is flowed into the heat exchange generator in the cold start mode of the vehicle to pass through the exhaust gas heat recovery component side and thermoelectric generation component side. Therefore, the temperature of the coolant rapidly increases, thereby reducing the engine warm-up time, and electricity is generated through thermoelectric module, thereby maximizing the fuel efficiency improvement.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: October 20, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jong Ho Seon, Kwang Min Choi, Byung Wook Kim, Hoo Dam Lee, Jin Woo Kwak, Ho Chan An
  • Publication number: 20200266329
    Abstract: A thermoelectric conversion module may include a plurality of n type thermoelectric conversion materials and a plurality of p type thermoelectric conversion materials that are disposed alternately, and a plurality of electrodes that connects the plurality of thermoelectric conversion material disposed alternately on one side and on an opposite side alternately, wherein the plurality of electrodes includes a first electrode configured to electrically connect the n type thermoelectric conversion material and the p type thermoelectric conversion material by penetrating the n type thermoelectric conversion material and the p type thermoelectric conversion material to transfer heat obtained from a heat source to the plurality of thermoelectric conversion materials.
    Type: Application
    Filed: May 5, 2020
    Publication date: August 20, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Woo KWAK, Kwang Min CHOI, Byung-Wook KIM, Hoo Dam LEE, Ho Chan AN, Jong Ho SEON
  • Publication number: 20200257840
    Abstract: A device for verifying a circuit design including a first circuit block and a second circuit block includes a verification vector generator and a design verifier. The verification vector generator determines a first verification vector by performing reinforcement learning through neural network computation based on a coverage corresponding to a first test vector, the coverage being determined based on a state transition of the first circuit block generated by inputting the first test vector to the first circuit block. The design verifier performs design verification for the first circuit block by using the first verification vector.
    Type: Application
    Filed: February 12, 2020
    Publication date: August 13, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-il PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
  • Publication number: 20200249392
    Abstract: A backlight unit includes a light guide plate; a wavelength conversion member disposed on a surface of the light guide plate; and a housing which houses the wavelength conversion member and is fused to the light guide plate.
    Type: Application
    Filed: April 21, 2020
    Publication date: August 6, 2020
    Inventors: Woo Suk SEO, Kwang Wook CHOI, Yong Hoon KWON, Sung Chul KIM, Seok Hyun NAM, Si Joon SONG
  • Patent number: 10714499
    Abstract: The method of manufacturing a semiconductor device include: forming conductive patterns in interlayer spaces between interlayer insulating layers, the conductive patterns being separated from each other by a slit passing through the interlayer insulating layers, wherein the conductive patterns include a first by-product; generating a second by-product of a gas phase by reacting the first by-product remaining in the conductive patterns with source gas; and performing an out-gassing process to remove the second by-product.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: July 14, 2020
    Assignee: SK hynix Inc.
    Inventors: Won Joon Choi, Min Sung Ko, Kyeong Bae Kim, Jong Gi Kim, Dong Sun Sheen, Jung Myoung Shim, Young Ho Yang, Hyeng Woo Eom, Kwang Wook Lee, Woo Jae Chung
  • Patent number: 10686114
    Abstract: A thermoelectric conversion module may include a plurality of n type thermoelectric conversion materials and a plurality of p type thermoelectric conversion materials that are disposed alternately, and a plurality of electrodes that connects the plurality of thermoelectric conversion material disposed alternately on one side and on an opposite side alternately, wherein the plurality of electrodes includes a first electrode configured to electrically connect the n type thermoelectric conversion material and the p type thermoelectric conversion material by penetrating the n type thermoelectric conversion material and the p type thermoelectric conversion material to transfer heat obtained from a heat source to the plurality of thermoelectric conversion materials.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: June 16, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Woo Kwak, Kwang Min Choi, Byung-Wook Kim, Hoo Dam Lee, Ho Chan An, Jong Ho Seon
  • Publication number: 20200174291
    Abstract: An inspection apparatus includes: a plurality of support members that support a display panel at a predetermined height; a bending-pressing member that presses a pressing surface of the display panel; a sound wave sensor that senses a sound wave generated from the display panel during a bending inspection process, wherein during the bending inspection process, the bending-pressing member presses the pressing surface of the display panel; and an inspection controller that detects a crack in the display panel using the sound wave sensed by the sound wave sensor.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Inventors: Kyu Wook CHOI, Kwang-su LEE, Choonggil LIM, Haesung KIM, Jun Ho JANG, Sangkeun LEE
  • Patent number: 10663647
    Abstract: A backlight unit includes a light guide plate; a wavelength conversion member disposed on a surface of the light guide plate; and a housing which houses the wavelength conversion member and is fused to the light guide plate.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: May 26, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Suk Seo, Kwang Wook Choi, Yong Hoon Kwon, Sung Chul Kim, Seok Hyun Nam, Si Joon Song
  • Patent number: 10658691
    Abstract: Disclosed are a method of manufacturing an inorganic electrolyte membrane and a composition for manufacturing an inorganic electrolyte membrane, the method including: (a) mixing primary inorganic particles (<50 nm), a dispersant, and a solvent and dispersing the primary inorganic particles, thus preparing a dispersion of secondary inorganic particles having a hydrodynamic diameter of 120 to 230 nm, determined using DLS (Dynamic Light Scattering), (b) adding and mixing the dispersion of secondary inorganic particles with a binder, (c) applying a mixed solution composed of the dispersion of inorganic particles and the binder and drying the mixed solution, thus forming a green sheet, and (d) firing the green sheet, thus forming an electrolyte membrane.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: May 19, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Ki-Youl Yoon, Dong-Oh Shin, Kwang-Wook Choi, Hyeon Choi
  • Patent number: 10636953
    Abstract: A thermoelectric conversion module may include a plurality of n type thermoelectric conversion materials and a plurality of p type thermoelectric conversion materials that are disposed alternately, and a plurality of electrodes that connects the plurality of thermoelectric conversion material disposed alternately on one side and on an opposite side alternately, wherein the plurality of electrodes may include a high temperature side electrode configured to protrude towards a pipe, through which a heat transfer fluid flows, with respect to high temperature side end portions of the plurality of thermoelectric conversion materials and to be inserted into a through-hole formed at the pipe to obtain heat while directly contacting the heat transfer fluid and to transfer the obtained heat to the plurality of thermoelectric conversion materials.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: April 28, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Woo Kwak, Kwang Min Choi, Byung-Wook Kim, Hoo Dam Lee, Ho Chan An, Jong Ho Seon
  • Publication number: 20200102579
    Abstract: The present invention relates to a method for preparing a mutant strain having high producibility of phytoene and a mutant strain prepared thereby. More particularly, a Deinococcus radiodurans mutant strain, prepared by the method of the present invention, having high producibility of phytoene, does not retain an artificial antibiotic-resistant gene, although constructed by introducing a metabolism engineering method, and has high producibility of phytoene. Thus, the mutant strain prepared according to the method can find useful applications in the mass production of phytoene.
    Type: Application
    Filed: March 29, 2018
    Publication date: April 2, 2020
    Applicant: UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION
    Inventors: Yong Jun Choi, Sun Wook Jeong, Jua Kim, Eunkyung Hong, Kwang Jin Cho