Patents by Inventor Yong Sang LA

Yong Sang LA 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).

  • Electrochromic device
    Patent number: 11934079
    Abstract: The embodiments relate to an electrochromic device having excellent elongation and tensile strength while achieving an excellent light transmission variable function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, an electrolyte layer is interposed between the first chromic layer and the second chromic layer, and the elongation is 60% to 170%.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: March 19, 2024
    Assignee: SKC CO., LTD.
    Inventors: Byeong Uk Ahn, Yong Sang La, Seong Hwan Lee, Il Hwan Yoo
  • Flexible electrochromic device
    Patent number: 11852908
    Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission variable function based on the electrochromic principle. The flexible electrochromic device comprises a first base layer; a first barrier layer on the first base layer; a light transmission variable structure on the first barrier layer; a second barrier layer on the light transmission variable structure; and a second base layer on the second barrier layer.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: December 26, 2023
    Assignee: SKC CO., LTD.
    Inventors: Byeong Uk Ahn, Yong Sang La, Seong Hwan Lee, Il Hwan Yoo, Seung Bae Oh
  • Flexible electrochromic device
    Patent number: 11835832
    Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission variable function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, and the value of ?TTd24 as defined in Equation (1) is 3% or less.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: December 5, 2023
    Assignee: SKC Co., LTD.
    Inventors: Seung Bae Oh, Yong Sang La, Seong Hwan Lee, Jongmin Shim, Il Hwan Yoo, Byeong Uk Ahn
  • Electrochromic device
    Patent number: 11747697
    Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission adjusting function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, the first chromic layer comprises a reducing chromic material, the second chromic layer comprises an oxidizing chromic material, and the value of c as defined in Equation 1 is 1.0 to 1.6.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: September 5, 2023
    Assignee: SKC CO., LTD.
    Inventors: Seung Bae Oh, Seong Hwan Lee, Yong Sang La, Hyung Mo Kim
  • ELECTROCHROMIC DEVICE
    Publication number: 20220066275
    Abstract: The embodiments relate to an electrochromic device having excellent elongation and tensile strength while achieving an excellent light transmission variable function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, an electrolyte layer is interposed between the first chromic layer and the second chromic layer, and the elongation is 60% to 170%.
    Type: Application
    Filed: July 23, 2021
    Publication date: March 3, 2022
    Inventors: Byeong Uk AHN, Yong Sang LA, Seong Hwan LEE, Il Hwan YOO
  • FLEXIBLE ELECTROCHROMIC DEVICE
    Publication number: 20210389638
    Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission variable function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, and the value of ?TTd24 as defined in Equation (1) is 3% or less.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 16, 2021
    Inventors: Seung Bae OH, Yong Sang LA, Seong Hwan LEE, Jongmin SHIM, Il Hwan YOO, Byeong Uk AHN
  • ELECTROCHROMIC DEVICE
    Publication number: 20210389639
    Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission adjusting function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, the first chromic layer comprises a reducing chromic material, the second chromic layer comprises an oxidizing chromic material, and the value of c as defined in Equation 1 is 1.0 to 1.6.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 16, 2021
    Inventors: Seung Bae OH, Seong Hwan LEE, Yong Sang LA, Hyung Mo KIM
  • FLEXIBLE ELECTROCHROMIC DEVICE
    Publication number: 20210382342
    Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission variable function based on the electrochromic principle. The flexible electrochromic device comprises a first base layer; a first barrier layer on the first base layer; a light transmission variable structure on the first barrier layer; a second barrier layer on the light transmission variable structure; and a second base layer on the second barrier layer.
    Type: Application
    Filed: June 7, 2021
    Publication date: December 9, 2021
    Inventors: Byeong Uk AHN, Yong Sang LA, Seong Hwan LEE, Il Hwan YOO, Seung Bae OH