Patents by Inventor Ki-Hwan Kim

Ki-Hwan Kim 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: 11644730
    Abstract: An electrochromic device including an electrode layer, an electrochromic layer and a conductive band having a closed ring shape. The electrochromic device having the above structure has excellent color-switching speeds and electrochromic uniformity.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: May 9, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Pil Sung Jo
  • Patent number: 11639045
    Abstract: A decorative member including: a color developing layer including a light reflective layer and a light absorbing layer provided on the light reflective layer; and a substrate provided on one surface of the color developing layer. The light absorbing layer includes a copper oxynitride (CuaObNc).
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: May 2, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Jin Suk Song, Pilsung Jo
  • Patent number: 11634821
    Abstract: The present disclosure relates to a method for manufacturing a film for a decoration element, the method including depositing two or more islands on one surface of a film; and forming a pattern portion by dry etching the film using the island as a mask.
    Type: Grant
    Filed: September 2, 2019
    Date of Patent: April 25, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Pilsung Jo, Song Ho Jang, Ki Hwan Kim, Yong Chan Kim, Nansra Heo, Jeong Woo Shon
  • Patent number: 11589663
    Abstract: The present disclosure relates to a decoration member comprising a color developing layer comprising a light reflective layer and a light absorbing layer provided on the light reflective layer; and a substrate provided on one surface of the color developing layer, wherein the light absorbing layer comprises a molybdenum-titanium oxide (MoaTibOx).
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: February 28, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Pilsung Jo
  • Publication number: 20230037672
    Abstract: A semiconductor includes an active pattern with a lower pattern and sheet patterns spaced apart from the lower pattern in a first direction, a source/drain pattern on the lower pattern, the source/drain pattern being in contact with the sheet patterns, and gate structures on opposite sides of the source/drain pattern, the gate structures being spaced apart from each other along a second direction and including gate electrodes that surround the sheet patterns, wherein the source/drain pattern includes a first epitaxial region having at least one of antimony and bismuth, the first epitaxial region having a bottom part in contact with the lower pattern, but not with the sheet patterns, and a thickness of the bottom part increasing and decreasing away from the gate structures in the second direction, and a second epitaxial region on the first epitaxial region, the second epitaxial region including phosphorus.
    Type: Application
    Filed: March 11, 2022
    Publication date: February 9, 2023
    Inventors: Ki Hwan KIM, Jeong Ho YOO, Cho Eun LEE, Yong Uk JEON, Young Dae CHO
  • Patent number: 11561447
    Abstract: A decoration element including a color developing layer including a light reflective layer, a light absorbing layer provided on the light reflective layer, and a convex portion or concave portion having an asymmetric-structured cross-section; an electrochromic device provided on any one surface of the color developing layer; and an in-mold label layer provided on the other surface of the color developing layer.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: January 24, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Pilsung Jo
  • Patent number: 11559966
    Abstract: The present disclosure relates to a decoration element comprising a light reflective layer, and a light absorbing layer provided on the light reflective layer and comprising Si.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: January 24, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jeong Woo Shon, Song Ho Jang, Yong Chan Kim, Jin Suk Song, Pilsung Jo, Ki Hwan Kim
  • Publication number: 20230020054
    Abstract: Disclosed is a bearing wire rod includes, in percent by weight (wt %), 0.8 to 1.2% of C, 0.01 to 0.6% of Si, 0.1 to 0.6% of Mn, 1.0 to 2.0% of Cr, 0.01 to 0.06% of Al, 0.02% or less (exclusive of 0) of N, and the balance of Fe and inevitable impurities, wherein a prior austenite grain size of a microstructure is from 3 to 10 ?m, and a sum of lengths of high angle grain boundaries having a misorientation angle of 15° or more per unit area is from 1,000 to 4,000 mm/mm2.
    Type: Application
    Filed: February 6, 2020
    Publication date: January 19, 2023
    Applicant: POSCO
    Inventors: Jae Seung LEE, Se Hong MIN, Kyoung-Won KIM, Woo Seok CHOI, Ki-Hwan KIM, In Gyu PARK
  • Patent number: 11524483
    Abstract: A decoration member including: a color developing layer including a light reflective layer and a light absorbing layer provided on the light reflective layer; and a substrate provided on one surface of the color developing layer. The light absorbing layer includes a copper oxynitride (CuaObNc).
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: December 13, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Jin Suk Song, Pilsung Jo
  • Patent number: 11524482
    Abstract: A decoration element including a color developing layer including a light reflective layer, and a light absorbing layer provided on the light reflective layer; and an in-mold label layer provided on one surface of the color developing layer. The light absorbing layer includes a convex portion shape or concave portion shape having an asymmetric cross-section.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: December 13, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Pilsung Jo
  • Patent number: 11474114
    Abstract: Artificial blood for a bloodstain pattern analysis includes water, an amino acid solution, bovine serum albumin, hemoglobin from bovine blood, potassium ferricyanide, sodium hyaluronate, sodium chloride, and tar color.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: October 18, 2022
    Assignee: REPUBLIC OF KOREA (NATIONAL FORENSIC SERVICE DIRECTOR MINISTRY OF THE INTERIOR AND SAFETY)
    Inventors: Sang Yoon Lee, Young Il Seo, Dong A Lim, Kyung Mi Kim, Eun Ah Joo, Je Hyun Lee, Ki Hwan Kim, Jin Pyo Kim, Jae Mo Goh, Nam Kyu Park, Se Hyun Shin
  • Patent number: 11465389
    Abstract: A decorative member including: a color developing layer including a light reflective layer and a light absorbing layer provided on the light reflective layer; and a substrate provided on a surface of the color developing layer. The substrate comprises a pattern layer, and the light absorbing layer comprises silicon (Si).
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: October 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Jin Suk Song, Pilsung Jo
  • Patent number: 11467460
    Abstract: An electrochromic film and an electrochromic device including the electrochromic film are disclosed. The electrochromic film includes an electrochromic layer and a passivation layer on one side of the electrochromic layer. The coloration level of the electrochromic film is different from the coloration level of the passivation layer. The film may change optical properties as a result of electrochromism according to an electrochemical reaction. The electrochromic film and the electrochromic device have improved electrochromism, excellent durability, excellent color-switching speed, and stepwise control of optical properties.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: October 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim
  • Patent number: 11459673
    Abstract: The present invention relates to a carbon fiber carbonization apparatus using a microwave. The carbon fiber carbonization apparatus using a microwave comprises: a carbonization furnace into which the microwave is irradiated from an irradiation part disposed at one side thereof; a moving tube through which a carbon fiber moves along the inside thereof and which is mounted to pass through the carbonization furnace; and a heating element coupled to an outer circumferential surface of the moving tube to absorb the microwave so as to generate heat. A portion of the moving tube is covered by the heating element at the position, but a remaining portion is exposed at a position at which the heating element is coupled to the moving tube.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: October 4, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Ji Hye Shin, Tae Eon Park, Su Jin Kim, Ki Hwan Kim, Ii Ha Lee, Jun Young Lee
  • Patent number: 11448800
    Abstract: The present disclosure relates to a decoration element comprising a light reflective layer; and a light absorbing layer provided on the light reflective layer, wherein the light reflective layer is a discontinuous film.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: September 20, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Jeong Woo Shon, Pilsung Jo, Ki Hwan Kim, Song Ho Jang
  • Patent number: 11415369
    Abstract: The present invention provides a crucible for melting and casting a metal fuel, which includes a reaction preventing layer including: LaYO3; or ZrO2 containing a Y2O3 stabilizer at 5 to 10 wt %, and a method of melting and casting a metal fuel using the same.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: August 16, 2022
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Seoung Woo Kuk, Kyung Chai Jeong, Seok Jin Oh, Jeong-Yong Park, Ki Hwan Kim, Yoon Myeng Woo, Seung Uk Mun, Seong-Jun Ha
  • Patent number: 11415857
    Abstract: An electrochromic film, which is a reflective electrochromic film, which includes an electrode layer, a light absorbing layer and an electrochromic layer. The film can improve an electrochromism rate and realize various colors or esthetic senses.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 16, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Song Ho Jang, Ki Hwan Kim, Pil Sung Jo
  • Patent number: 11409178
    Abstract: A light-transmitting film and a device including the light-transmitting film are disclosed. The light-transmitting film includes an oxynitride containing two or more metals selected from Ti, Nb, Mo, Ta and W, and having light transmittance of 60% or more. The oxynitride may be represented by Formula 1, which is MoaTibOxNy where a>0, b>0, x>0, y>0, 0.5<a/b<4.0, and 0.005<y/x<0.02. The film has a light transmission characteristic, is capable of reversible color-switching depending on the applied voltage, and has excellent durability within a driving voltage range in which the film changes its color.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 9, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim
  • Patent number: 11396705
    Abstract: This disclosure relates to a method for preparing a polymer thin film with water repellency and oil repellency, including: thermally decomposing a thermal initiator to form a radical; reacting the radical with a monomer mixture of a specific composition to synthesize a polymer; and depositing the synthesized polymer on a substrate, and a polymer thin film with water repellency and oil repellency including a polymer resin including (meth)acrylate-based repeat units substituted with a fluorine-containing functional group and repeat units derived from a compound including at least two reactive functional groups at a specific ratio.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: July 26, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Eun Jeong Lee, Ki-Hwan Kim, Chan Hyoung Park
  • Patent number: 11390113
    Abstract: The disclosed relates to a decoration element and a method for preparing the decoration element. The decoration element has dichroism expressing different colors depending on a viewing direction, and has improved visibility of the dichroism.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: July 19, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Eun Byurl Cho, Yong Chan Kim, Ki Hwan Kim, Jeong Woo Shon, Jin Suk Song, Song Ho Jang, Pilsung Jo, Sangcholl Han, Nansra Heo