Patents by Inventor Jieun Ko

Jieun Ko 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).

  • Resin composition and display device using the same
    Patent number: 12637529
    Abstract: A resin composition of an embodiment includes a (meth)acrylate monomer, a photoinitiator, and a moisture absorbent, wherein the moisture absorbent includes a hydrolysable group, and a carboxyl group after hydrolysis, thereby providing a display device with improved tolerance to moisture and moisture permeability.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: May 26, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonmin Yun, Jieun Ko, Yohan Kim, Yisu Kim, Byoungduk Lee, Seungju Lee, Jaehyuk Lee, Hyungdong Lee, Yoonhyeung Cho, Hyeonseo Cho
  • Encapsulation structure and display device having the encapsulation structure
    Patent number: 12622157
    Abstract: An encapsulation structure includes an organic encapsulation layer. The organic encapsulation layer includes a base resin and hygroscopic composite particles including a hygroscopic composite particle. The hygroscopic composite particle includes a core and a silica layer around the core. The core includes a polymer. The silica layer includes silica.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: May 5, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jieun Ko, Yohan Kim, Yisu Kim, Wonmin Yun, Byoungduk Lee, Seungju Lee, Jaehyuk Lee, Hyungdong Lee, Yoonhyeung Cho, Hyeonseo Cho
  • DISPLAY DEVICE INCLUDING A FILLING LAYER HAVING FUNCTIONAL PARTICLES
    Publication number: 20250374809
    Abstract: A display device includes a display unit including a first substrate and an encapsulation layer disposed on the first substrate, and a color conversion unit disposed on the encapsulation layer, the color conversion unit including a color filter layer, a color conversion layer including quantum dots, and a filling layer including functional particles and disposed between the color conversion layer and the color filter layer, the filling layer including a first region adjacent to the encapsulation layer and a second region disposed above the first region, wherein a concentration of the functional particles included in the first region is different than a concentration of the functional particles included in the second region.
    Type: Application
    Filed: April 7, 2025
    Publication date: December 4, 2025
    Inventors: JIEUN KO, YOHAN KIM, WONMIN YUN, BYOUNG DUK LEE, SEUNGJU LEE, HAEMYEONG LEE, SUMIN JUNG, HYE-YOUNG HAN
  • RESIN COMPOSITION AND DISPLAY DEVICE USING THE SAME
    Publication number: 20220298279
    Abstract: A resin composition of an embodiment includes a (meth)acrylate monomer, a photoinitiator, and a moisture absorbent, wherein the moisture absorbent includes a hydrolysable group, and a carboxyl group after hydrolysis, thereby providing a display device with improved tolerance to moisture and moisture permeability.
    Type: Application
    Filed: December 10, 2021
    Publication date: September 22, 2022
    Inventors: WONMIN YUN, Jieun KO, YOHAN KIM, YISU KIM, BYOUNGDUK LEE, SEUNGJU LEE, JAEHYUK LEE, Hyungdong LEE, YOONHYEUNG CHO, HYEONSEO CHO
  • ENCAPSULATION STRUCTURE AND DISPLAY DEVICE HAVING THE ENCAPSULATION STRUCTURE
    Publication number: 20220285651
    Abstract: An encapsulation structure includes an organic encapsulation layer. The organic encapsulation layer includes a base resin and hygroscopic composite particles including a hygroscopic composite particle. The hygroscopic composite particle includes a core and a silica layer around the core. The core includes a polymer. The silica layer includes silica.
    Type: Application
    Filed: October 28, 2021
    Publication date: September 8, 2022
    Inventors: Jieun Ko, YOHAN KIM, YISU KIM, WONMIN YUN, BYOUNGDUK LEE, SEUNGJU LEE, JAEHYUK LEE, Hyungdong Lee, YOONHYEUNG CHO, HYEONSEO CHO