Patents by Inventor Seong-Yong Uhm

Seong-Yong Uhm 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: 10196561
    Abstract: The present disclosure relates to an electrochromic material having a relatively high response speed and a reversible discoloration even by a relatively low driving voltage and an electrochromic particle, a transmittance variable panel and a transmittance variable display device including the electrochromic material.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: February 5, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: June-Hwan Kim, Soo-Youn Kim, Seong-Yong Uhm, Young-Wook Ha, Hark-Jin Kim
  • Patent number: 10196379
    Abstract: A display device comprises a light-transmittance-variable panel including a first substrate and a second substrate facing each other; a first transparent electrode on the first substrate; a second transparent electrode on the second substrate; and an electrochromic layer between the first transparent electrode and the second transparent electrode and containing a viologen compound; and a display panel on one side of the light-transmittance-variable panel and including a plurality of display units and a plurality of transparent units.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: February 5, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: June-Hwan Kim, Seong-Yong Uhm, Seok-Ho Lee
  • Patent number: 10139694
    Abstract: A reflection type display device includes a color panel including first and second electrodes and color-varying particles of a core-shell structure between the first and second electrodes, wherein the color-varying particles are divided and disposed into first, second and third pixel regions; and a variable light-transmitting panel over the color panel and including third and fourth electrodes and black-varying particles of a core-shell structure between the third and fourth electrodes, wherein the black-varying particles are divided and disposed into the first, second and third pixel regions, wherein the color panel includes a reflection layer reflecting incident light.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: November 27, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: June-Hwan Kim, Soo-Youn Kim, Wy-Yong Kim, Hwa-Youl Lee, Seong-Yong Uhm, Seok-Ho Lee
  • Publication number: 20180155321
    Abstract: A display device comprises a light-transmittance-variable panel including a first substrate and a second substrate facing each other; a first transparent electrode on the first substrate; a second transparent electrode on the second substrate; and an electrochromic layer between the first transparent electrode and the second transparent electrode and containing a viologen compound; and a display panel on one side of the light-transmittance-variable panel and including a plurality of display units and a plurality of transparent units.
    Type: Application
    Filed: November 30, 2017
    Publication date: June 7, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: June-Hwan KIM, Seong-Yong UHM, Seok-Ho LEE
  • Patent number: 9914743
    Abstract: Provided herein is a method for preparing a silver complex. The method includes reacting a silver oxide with a mixture of ammonium carbamate and isopropyl amine at room temperature in the presence of methanol.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: March 13, 2018
    Assignee: Inktec Co., Ltd.
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam, Seong-Yong Uhm, Young-Kwan Seo
  • Publication number: 20170369771
    Abstract: The present disclosure relates to an electrochromic material having a relatively high response speed and a reversible discoloration even by a relatively low driving voltage and an electrochromic particle, a transmittance variable panel and a transmittance variable display device including the electrochromic material.
    Type: Application
    Filed: June 14, 2017
    Publication date: December 28, 2017
    Inventors: June-Hwan Kim, Soo-Youn Kim, Seong-Yong Uhm, Young-Wook Ha, Hark-Jin Kim
  • Publication number: 20170192331
    Abstract: A reflection type display device includes a color panel including first and second electrodes and color-varying particles of a core-shell structure between the first and second electrodes, wherein the color-varying particles are divided and disposed into first, second and third pixel regions; and a variable light-transmitting panel over the color panel and including third and fourth electrodes and black-varying particles of a core-shell structure between the third and fourth electrodes, wherein the black-varying particles are divided and disposed into the first, second and third pixel regions, wherein the color panel includes a reflection layer reflecting incident light.
    Type: Application
    Filed: December 21, 2016
    Publication date: July 6, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: June-Hwan KIM, Soo-Youn KIM, Wy-Yong KIM, Hwa-Youl LEE, Seong-Yong UHM, Seok-Ho LEE
  • Patent number: 9442338
    Abstract: A transparent display device and a method of manufacturing the same are provided. The transparent display device includes: a display panel unit including: a first side configured to display an image, and a second side opposed to the first side, and a variable blocking film at the second side of the display panel unit, the variable blocking film including electrochromic core-shell nanoparticles.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: September 13, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Seong-Yong Uhm, Jin-Wuk Kim, Hwa-Youl Lee, June-Hwan Kim, Seok-Ho Lee
  • Publication number: 20160194339
    Abstract: Provided herein is a method for preparing a silver complex. The method includes reacting a silver oxide with a mixture of ammonium carbamate and isopropyl amine at room temperature in the presence of methanol.
    Type: Application
    Filed: March 16, 2016
    Publication date: July 7, 2016
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam, Seong-Yong Uhm, Young-Kwan Seo
  • Publication number: 20140320782
    Abstract: A transparent display device and a method of manufacturing the same are provided. The transparent display device includes: a display panel unit including: a first side configured to display an image, and a second side opposed to the first side, and a variable blocking film at the second side of the display panel unit, the variable blocking film including electrochromic core-shell nanoparticles.
    Type: Application
    Filed: November 21, 2013
    Publication date: October 30, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Seong-Yong UHM, Jin-Wuk KIM, Hwa-Youl LEE, June-Hwan KIM, Seok-Ho LEE
  • Patent number: 8764960
    Abstract: The present invention relates to the manufacturing method of metal clad laminates by forming a conductive layer on a single side or both sides of a material film that is made of an insulating material using the silver complexes having a unique structure and electroplating metals outside of said conductive layer. The present invention can provide the manufacturing method of metal clad laminates, which has a fast operation speed for mass production, simple process steps to minimize defective ratio and cheap production cost.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: July 1, 2014
    Assignee: Inktec Co., Ltd.
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Seong-Yong Uhm
  • Patent number: 8679242
    Abstract: The present invention relates to a silver complex obtained by reacting at least one silver compound represented by the formula 2 below with at least one ammonium carbamate compound or ammonium carbonate compound represented by the formula 3, 4 or 5 below:
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: March 25, 2014
    Assignee: Inktec Co., Ltd.
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam, Seong-Yong Uhm, Young-Kwan Seo
  • Patent number: 8445578
    Abstract: The present invention relates to compositions for forming reflecting layer having organic silver complexes, and method for preparing reflecting layer using the same. More specifically, it relates to compositions for forming reflecting layer including silver complexes that have distinct structures and the method for preparing reflecting layer, where primary coating is applied to promote the adhesive force to materials such as plastic, ceramic, metal, etc. and then a high-reflecting layer is formed by using the silver coating fluid, followed by transparent coating for protection.
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: May 21, 2013
    Assignee: Inktec Co., Ltd.
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Seong-Yong Uhm, Young-Kwan Seo
  • Publication number: 20130022761
    Abstract: The present invention relates to a silver complex obtained by reacting at least one silver compound represented by the formula 2 below with at least one ammonium carbamate compound or ammonium carbonate compound represented by the formula 3, 4 or 5 below:
    Type: Application
    Filed: May 11, 2012
    Publication date: January 24, 2013
    Applicant: Inktec Co., Ltd.
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam, Seong-Yong Uhm, Young-Kwan Seo
  • Publication number: 20120287524
    Abstract: Disclosed are a novel compound, a pigment dispersion composition including the same, a photosensitive resin composition including the same, and a color filter using the same.
    Type: Application
    Filed: June 22, 2010
    Publication date: November 15, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Seong-Yong Uhm, Seong-Ryong Nam, Taek-Jin Baek, Tae-Gyu Chun, Kyung-Hee Hyung
  • Patent number: 8277701
    Abstract: Disclosed are a photosensitive resin composition for a color filter and a color filter using the same. The photosensitive resin composition for a color filter includes (A) an acrylic-based binder resin including a structural unit represented by the following Chemical Formula 1, wherein the substituents of Chemical Formula 1 are the same as defined in the specification; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a pigment; and (E) a solvent.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: October 2, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Chang-Min Lee, Kil-Sung Lee, Jun-Seok Kim, Seong-Yong Uhm, Sang-Won Cho
  • Patent number: 8252382
    Abstract: The present invention relates to an aluminum wheel having high gloss and a method for manufacturing the same, and the method for manufacturing an aluminum wheel having high gloss includes the steps of: (i) coating a primary coating powder paints for increasing a flatness of an aluminum wheel having a rough surface and improving an adhesive force to a silver mirror coating surface, (ii) forming of silver coating layer forming a mirror surface having a high gloss and high reflectivity on the powder paints coated surface using a silver coating solution, and (iii) forming at least one transparent top coating for protecting the silver mirror surface and increasing an abrasion resistance and a saltwater resistance after the step (ii). In accordance with the present in an aluminum wheel having high gloss and high reflectivity can be manufactured in a simple processes and relative inexpensive cost.
    Type: Grant
    Filed: April 28, 2007
    Date of Patent: August 28, 2012
    Assignee: Inktec Co., Ltd.
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Seong-Yong Uhm
  • Patent number: 8226755
    Abstract: The present invention relates to a silver complex obtained by reacting at least one silver compound represented by the formula 2 below with at least one ammonium carbamate compound or ammonium carbonate compound represented by the formula 3, 4 or 5 below:
    Type: Grant
    Filed: February 7, 2006
    Date of Patent: July 24, 2012
    Assignee: Inktec Co., Ltd.
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam, Seong-Yong Uhm, Young-Kwan Seo
  • Publication number: 20120112140
    Abstract: A photosensitive resin composition for a color filter and a color filter using the same are provided. The photosensitive resin composition for a color filter includes (A) an acrylic-based binder resin including a structural unit represented by the following Chemical Formula 1; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a pigment; and (E) a solvent. In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Application
    Filed: August 1, 2011
    Publication date: May 10, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang-Min LEE, Kil-Sung LEE, Jun-Seok KIM, Seong-Yong UHM, Sang-Won CHO
  • Patent number: 7955528
    Abstract: The present invention relates to a variety of conductive ink compositions comprising a metal complex compound having a special structure and an additive and a method for preparing the same, more particularly to conductive ink compositions comprising a metal complex compound obtained by reacting a metal or metal compound with an ammonium carbamate- or ammonium carbonate-based compound and an additive and a method for preparing the same.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: June 7, 2011
    Assignee: Inktec Co., Ltd
    Inventors: Kwang-Choon Chung, Hyun-Nam Cho, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park, Dong-Hun Nam, Seong-Yong Uhm, Young-Kwan Seo, Nam-Boo Cho