Patents by Inventor Ji-Won Choi

Ji-Won 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).

  • Publication number: 20220086961
    Abstract: The present disclosure provides a transparent thin film heater including: a metal layer; and a transparent conductive oxide layer, wherein the transparent conductive oxide layer includes a composition represented by the following Chemical Formula 1 and is doped with nitrogen: ZnxSn1?xO2??[Chemical Formula 1] wherein 0<x?0.12.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 17, 2022
    Inventors: Ji-Won CHOI, Jin Sang KIM, Chong Yun KANG, Seung Hyub BAEK, Seong Keun KIM, Hyun-Cheol SONG, Jungho YOON, Joohee JANG
  • Publication number: 20220059543
    Abstract: A semiconductor device includes: a semiconductor device, comprising: a bit line structure including a bit line contact plug, a bit line, and a bit line hard mask that are sequentially stacked over a substrate; a storage node contact plug that is spaced apart from the bit line structure; a conformal spacer that is positioned between the bit line and the storage node contact plug and includes a low-k material; and a seed liner that is positioned between the conformal spacer and the bit line and thinner than the conformal spacer.
    Type: Application
    Filed: July 13, 2021
    Publication date: February 24, 2022
    Inventors: Beom Ho MUN, Eun Jeong KIM, Jong Kook PARK, Seung Mi LEE, Ji Won CHOI, Kyoung Tak KIM, Yun Hyuck JI
  • Patent number: 11245345
    Abstract: Provided is a self-resonance tuning piezoelectric energy harvester. The self-resonance tuning piezoelectric energy harvester includes a piezoelectric beam which extends along a horizontal direction, a fixing element which fixes two ends of the piezoelectric beam, and a mass which is connected to the piezoelectric beam movably along the piezoelectric beam, wherein the mass includes a through-hole through which the piezoelectric beam passes, and makes the movement through the through-hole. According to the principle of continuous movement to the resonance position, the mass of the self-resonance tuning piezoelectric energy harvester induces the piezoelectric beam to generate displacement to the maximum and maximize the electricity production capacity of the piezoelectric energy harvester.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: February 8, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyun-Cheol Song, Chong Yun Kang, Jin Sang Kim, Ji-won Choi, Seung Hyub Baek, Seong Keun Kim, Sang Tae Kim, Youn-hwan Shin
  • Publication number: 20210336561
    Abstract: Proposed is a self-resonance tuning piezoelectric energy harvester with broadband frequency, including: a piezoelectric beam which is extended along a horizontal direction; a fixing member which fixes opposite ends of the piezoelectric beam; and a mobile mass which the piezoelectric beam passes through, and which is capable of self-movement along the piezoelectric beam through a through-hole which has a free space in addition to a space which the piezoelectric beam passes through, wherein as the mobile mass moves to a position of the piezoelectric beam, generated displacement of a piezoelectric beam is increased, and as the generated displacement becomes greater than the free space, the mobile mass is fixed to a position of a piezoelectric beam at which resonance will occur.
    Type: Application
    Filed: November 20, 2020
    Publication date: October 28, 2021
    Inventors: Hyun-Cheol SONG, CHONG YUN KANG, JIN SANG KIM, Ji-Won CHOI, SEUNG HYUB BAEK, Seong Keun KIM
  • Publication number: 20210317083
    Abstract: The present invention relates to a novel halo-(3-(phenylsulfonyl)prop-1-enyl)pyridine derivative or a pharmaceutically acceptable salt thereof; a preparation method thereof; and an Nrf2 activator and a pharmaceutical composition for preventing or treating diseases induced by a decrease in Nrf2 activity, both of which comprise the same as an active ingredient.
    Type: Application
    Filed: August 19, 2019
    Publication date: October 14, 2021
    Inventors: Ki Duk PARK, Ae Nim PAE, Sang Min LIM, Jong Hyun PARK, Ji Won CHOI, Siwon KIM, Hyeon Jeong KIM, Seul Ki YEON
  • Publication number: 20210284865
    Abstract: A method of manufacturing an ink blocking layer for a display device, an ink blocking layer for a display device, and a display device are provided. The method of manufacturing an ink blocking layer for a display device includes: preparing a main material including an epoxy monomer having three or more epoxy groups and a curing agent including an acid and an amine; and mixing the main material with the curing agent to prepare an epoxy resin.
    Type: Application
    Filed: May 26, 2021
    Publication date: September 16, 2021
    Inventors: Dong Ho KIM, Ji Won CHOI
  • Patent number: 11083116
    Abstract: The present disclosure relates to a cooler and to a display device having the same, where a heat-exchanger of the cooler is arranged on a side surface of a display unit in order to simplify the structure and to make a slimmer display device. The cooler includes a closed air circulation pathway circulating between the front, rear and sides of the display unit; an open air flow pathway that flows in the length direction of the side of the display unit; and a cooling module that is installed on the side of the display along the length direction of the display, and that includes the heat-exchanger, where the closed air circulation path and the open air flow part are adjacent, thereby causing heat-exchange.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: August 3, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Ji Won Choi, Se Hyeon Kim, Ju Hyok Kim, Han Choon Lee, Sung Wook Han
  • Patent number: 11053190
    Abstract: The present disclosure relates to an ?-aminoamide derivative compound and a pharmaceutical composition containing the same. According to various embodiments of the present disclosure, provided is a therapeutic agent which can overcome the disadvantages of existing drugs used as a MAO-B inhibitor and, specifically, reversibly inhibits MAO-B through a non-covalent bond so as to alleviate or eliminate the side effects of the existing drugs which exhibit a therapeutic effect by irreversibly acting via a covalent bond with MAO-B. Particularly, a new compound having superior stability and efficacy compared to the existing reversible MAO-B inhibitors may be provided.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: July 6, 2021
    Assignee: NeuroBiogen Co., Ltd.
    Inventors: Ki Duk Park, ChangJoon Justin Lee, Dong Jin Kim, Ae Nim Pae, Hyun Ah Choo, Sun Joon Min, Yong Koo Kang, Yun Kyung Kim, Hyo Jung Song, Ji Won Choi, Min Ho Nam, Jun Young Heo, Seul Ki Yeon, Bo Ko Jang, Eun Ji Ju, Seon Mi Jo, Jong-Hyun Park
  • Patent number: 11041088
    Abstract: A method of manufacturing an ink blocking layer for a display device, an ink blocking layer for a display device, and a display device are provided. The method of manufacturing an ink blocking layer for a display device includes: preparing a main material including an epoxy monomer having three or more epoxy groups and a curing agent including an acid and an amine; and mixing the main material with the curing agent to prepare an epoxy resin.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: June 22, 2021
    Assignees: Samsung Display Co., Ltd., Dong Yang Ink Co., Ltd.
    Inventors: Dong Ho Kim, Ji Won Choi
  • Patent number: 11033518
    Abstract: The present invention relates to a pharmaceutical composition containing, as an active ingredient, niclosamide or pharmaceutically acceptable salts thereof, for treating or preventing disease related to Axin-GSK3 interaction, such as familial adenomatosis polyposis (FAP). According to the present invention, familial adenomatosis polyposis (FAP) which causes pain due to lack of specific treatment methods, can be effectively treated using niclosamide, which is a safe drug approved by the FDA.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: June 15, 2021
    Assignee: BAOBAB PHARM CO., LTD.
    Inventors: Jong In Yook, Hyun Sil Kim, Nam Hee Kim, Kyoung Tai No, Ji Won Choi, Tae Il Kim, Sung Yong Ahn
  • Publication number: 20210167352
    Abstract: Disclosed is a transparent anode thin film comprising a transparent anode active material layer, wherein the transparent anode active material layer comprises a Si-based anode active material having a composition represented by the following [Chemical Formula 1]: SiNx ??[Chemical Formula 1] (wherein 0<x?1.5).
    Type: Application
    Filed: November 19, 2020
    Publication date: June 3, 2021
    Inventors: Ji-Won CHOI, Jin Sang KIM, Chong Yun KANG, Seung Hyub BAEK, Seong Keun KIM, Hyun-Cheol SONG, Sang Tae KIM, Hyun Seok LEE
  • Patent number: 10918250
    Abstract: A robot vacuum cleaner that may increase cleaning efficiency around obstacles includes a main body having an intake to suck in dust and air while the main body is driven on a floor, a shutter installed in front of the intake to be able to move from the main body toward the floor, and a shutter driver configured to supply power to move the shutter.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung In Lee, Young Ho Ko, Ji Won Choi, Hak Bong Lee, Seung Il Han, Myeong Ho Kim
  • Publication number: 20210005609
    Abstract: A method of manufacturing an electrode layer and a method of manufacturing a capacitor using the same are provided. The method of manufacturing the electrode layer includes performing a first sub-cycle sequentially providing a tin precursor and an oxygen source on a substrate, performing a second sub-cycle sequentially providing a tin precursor, a tantalum precursor, and an oxygen source on the substrate on which the first sub-cycle is performed, and repeating a cycle including the first sub-cycle and the second sub-cycle to form a tantalum-doped tin oxide layer on the substrate. A tantalum concentration in the tantalum-doped tin oxide layer is determined by the tin precursor provided in the second sub-cycle.
    Type: Application
    Filed: April 21, 2020
    Publication date: January 7, 2021
    Inventors: Sang Tae KIM, Hyun-Cheol SONG, Seung Hyub BAEK, Ji-Won CHOI, Jin Sang KIM, Chong Yun KANG, Seong Keun KIM
  • Patent number: 10885614
    Abstract: An electronic device and an image conversion method of the electronic device, the electronic device comprising: a receiving unit for receiving a first image from a source device; a decoding unit for decoding brightness information of the first image; a converting unit for converting a dynamic range of the first image on the basis of the decoded brightness information, using a mapping function; and a display unit for displaying a second image having the converted dynamic range on a display, wherein the mapping function is a curve function including a plurality of points determined on the basis of the first image, a characteristic of a change in brightness of a display of the source device, and a characteristic of brightness of a scene of the first image. The present disclosure may generate, for example, a high dynamic range (HDR) image, which is improved from a standard dynamic range (SDR) image.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-ho Park, Seung-hoon Han, Ji-won Choi, Ho-cheon Wey, Young-su Moon
  • Patent number: 10886450
    Abstract: Disclosed is a thermoelectric composite material includes a thermoelectric material including crystal grains; and a MXene inserted at boundaries of the crystal grains consisting of the thermoelectric material. Accordingly, the thermoelectric composite material may have a reduced thermal conductivity and an increased electrical conductivity. Furthermore, mechanical properties of the thermoelectric composite material may be improved. Thus, the thermoelectric composite material may improve the thermoelectric ability of a thermoelectric module including the same. A method of manufacturing the thermoelectric composite material includes coating MXene on a surface of a thermoelectric material powder including crystal grains; and sintering the thermoelectric material powder coated with the MXene to form a sintered body including the MXene inserted at boundaries of the crystal grains consisting of the thermoelectric material.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: January 5, 2021
    Assignee: Korea Institute of Science and Technology
    Inventors: Jin-Sang Kim, Chong-Min Koo, Seung-Hyub Baek, Seong-Keun Kim, Chong-Yun Kang, Soon-Man Hong, Seung-Sang Hwang, Ji-Won Choi, Seok-Jin Yoon, Kwang-Chon Kim, Kyung-Youl Baek, Sang-Ho Cho
  • Publication number: 20200361192
    Abstract: A window module including a window, a first print layer, an ink layer, and a protective layer covering the ink layer. The ink layer includes a polymer resin polymerized from monomers including a first monomer which is an acrylic monomer substituted with a hydroxy group, a second monomer having an epoxy group, and at least one of a third monomer having a substituted or unsubstituted phenyl group or a fourth monomer which is an acrylic monomer having a substituted or unsubstituted bicyclic alkyl group, and thus, has excellent durability, chemical resistance, and abrasion resistance.
    Type: Application
    Filed: May 15, 2020
    Publication date: November 19, 2020
    Inventors: JI WON CHOI, Sangeun MOON, Dongho KIM, Sookkyung YOO
  • Publication number: 20200347250
    Abstract: An ink composition includes an acrylic resin including a polymerization product of a first monomer having a hydroxyl group, a second monomer having an epoxy group, a third monomer having an acrylate group, and a fourth monomer having a substituted or unsubstituted phenyl group, a first curing agent having an isocyanate group, and a second curing agent having an amine group. Durability and abrasion resistance of a window may be improved.
    Type: Application
    Filed: May 1, 2020
    Publication date: November 5, 2020
    Inventors: JI WON CHOI, Dongho KIM, Dongwoon LEE
  • Publication number: 20200337185
    Abstract: The present disclosure relates to a cooler and to a display device having the same, where a heat-exchanger of the cooler is arranged on a side surface of a display unit in order to simplify the structure and to make a slimmer display device. The cooler includes a closed air circulation pathway circulating between the front, rear and sides of the display unit; an open air flow pathway that flows in the length direction of the side of the display unit; and a cooling module that is installed on the side of the display along the length direction of the display, and that includes the heat-exchanger, where the closed air circulation path and the open air flow part are adjacent, thereby causing heat-exchange.
    Type: Application
    Filed: December 16, 2016
    Publication date: October 22, 2020
    Inventors: Ji Won CHOI, Se Hyeon KIM, Ju Hyok KIM, Han Choon LEE, Sung Wook HAN
  • Publication number: 20200308104
    Abstract: The present disclosure relates to an ?-aminoamide derivative compound and a pharmaceutical composition containing the same. According to various embodiments of the present disclosure, provided is a therapeutic agent which can overcome the disadvantages of existing drugs used as a MAO-B inhibitor and, specifically, reversibly inhibits MAO-B through a non-covalent bond so as to alleviate or eliminate the side effects of the existing drugs which exhibit a therapeutic effect by irreversibly acting via a covalent bond with MAO-B. Particularly, a new compound having superior stability and efficacy compared to the existing reversible MAO-B inhibitors may be provided.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 1, 2020
    Inventors: Ki Duk PARK, ChangJoon Justin LEE, Dong Jin KIM, Ae Nim PAE, Hyun Ah CHOO, Sun Joon MIN, Yong Koo KANG, Yun Kyung KIM, Hyo Jung SONG, Ji Won CHOI, Min Ho NAM, Jun Young HEO, Seul Ki YEON, Bo Ko JANG, Eun Ji JU, Seon Mi JO, Jong-Hyun PARK
  • Publication number: 20200199065
    Abstract: The present invention relates to novel functional derivatives of alanine and proline amino acids. The compounds of the present invention were confirmed to have a very superior antifungal or fungicidal effect. In addition, the compounds of the present invention were confirmed to exhibit a synergistic effect when co-administered with an existing antifungal preparation. Moreover, the compounds of the present invention showed activity on a wide range of fungi. Therefore, the compounds of the present invention can be widely used in a field which requires the treatment with an antifungal or fungicidal preparation against human infectious fungi, animal infectious fungi, and phytopathogenic fungi.
    Type: Application
    Filed: October 30, 2017
    Publication date: June 25, 2020
    Inventors: Ki Duk Park, Yong-Sun Bahn, Jong-Seung Lee, Kyung-Tae Lee, Ae Nim Pae, Seul Ki Yeon, Yong Koo Kang, Jong Hyun Park, Siwon Kim, Bo Ko Jang, Ji Won Choi