公开(公告)号：US20250026948A1

公开(公告)日：2025-01-23

申请号：US18732801

申请日：2024-06-04

Applicant: Samsung Display Co., LTD.

Inventor： Jinsuop YOUN ,  Minjun KIM ,  BONGYONG KIM ,  YoungMin KIM ,  YOUNG WOO PARK ,  CHULJIN PARK ,  JEONGWOO LEE ,  Young Woong JANG ,  HYUNMOO CHOI ,  MISUN KIM ,  Janghyuk Kim ,  Heeje WOO ,  Eunsun YU

IPC: C09D11/52 ,  C09D11/033 ,  C09D11/037 ,  G02F1/1343 ,  G02F1/167 ,  G02F1/1676

Abstract: Embodiments provide an ink composition, a film manufactured using the ink composition, and an electrophoretic display device including the film. The ink composition includes (A) a semiconductor nanorod, and (B) a dispersion medium, wherein the dispersion medium includes: (B1) a compound which has a viscosity at 25° C. of 70 cps or less and has a dielectric constant of 5 or more; (B2) a compound which has a viscosity at 25° C. of 80 cps or more or is a solid and has a dielectric constant of 5 or more; (B3) a compound which has a viscosity at 25° C. of 20 cps or more or is a solid and has a dielectric constant of less than 5; and (B4) a compound which has a viscosity at 25° C. of 12 cps or less or is a solid and has a dielectric constant of 4 to 7.5.