公开(公告)号：US20230407122A1

公开(公告)日：2023-12-21

申请号：US18336182

申请日：2023-06-16

Applicant: Samsung Display Co., LTD.

Inventor： Jinsuop YOUN ,  Kyuyoung KIM ,  MISUN KIM ,  Minjun KIM ,  BONGYONG KIM ,  YoungMin KIM ,  Janghyuk KIM ,  YOUNG WOO PARK ,  CHULJIN PARK ,  Heeje WOO ,  EUN SUN YU ,  JEONGWOO LEE ,  HYUNMOO CHOI

IPC: C09D11/38 ,  C09D11/36 ,  C09D11/52 ,  G02F1/167

CPC classification number: C09D11/38 ,  C09D11/36 ,  C09D11/52 ,  G02F1/167

Abstract: Embodiments provide an ink composition, a layer manufactured using the ink composition, and an electrophoresis apparatus and a display device including the same. The ink composition includes a semiconductor nanorod including at least one functional group each independently represented by one of Chemical Formula 1-1 to Chemical Formula 1-3, and a solvent. Chemical Formula 1-1 to Chemical Formula 1-3 are explained in the specification:

公开(公告)号：US20240093042A1

公开(公告)日：2024-03-21

申请号：US18461070

申请日：2023-09-05

Applicant: Samsung Display Co., LTD.

Inventor： Janghyuk KIM ,  Jinsuop YOUN ,  Kyuyoung KIM ,  MISUN KIM ,  Minjun KIM ,  BONGYONG KIM ,  YoungMin KIM ,  CHULJIN PARK ,  Heeje WOO ,  JEONGWOO LEE ,  HYUNMOO CHOI

IPC: C09D5/44 ,  C09D11/033 ,  C09D11/037 ,  G02F1/167 ,  H01L25/075 ,  H01L33/32

CPC classification number: C09D5/448 ,  C09D11/033 ,  C09D11/037 ,  G02F1/167 ,  H01L25/0753 ,  H01L33/32

Abstract: Embodiments provide an ink composition, a layer manufactured using the ink composition, an electrophoresis device including the layer, and a display device including the layer. The ink composition includes a semiconductor nanorod, and a solvent that satisfies Equation 1:


|ε1−ε2|/ε1*100≤10  [Equation 1]

In Equation 1, ε1 is a dielectric constant of the solvent at 50 Hz, and ε2 is a dielectric constant of the solvent at 50 kHz.

公开(公告)号：US20240059919A1

公开(公告)日：2024-02-22

申请号：US18364025

申请日：2023-08-02

Applicant: Samsung Display Co., LTD.

Inventor： Minjun KIM ,  Kyuyoung KIM ,  MISUN KIM ,  BONGYONG KIM ,  YoungMin KIM ,  Janghyuk KIM ,  YOUNG WOO PARK ,  CHULJIN PARK ,  Heeje WOO ,  EUN SUN YU ,  Jinsuop YOUN ,  JEONGWOO LEE ,  HYUNMOO CHOI

IPC: C09D11/38 ,  C09D11/36 ,  G02F1/16757 ,  G02F1/167

CPC classification number: C09D11/38 ,  C09D11/36 ,  G02F1/16757 ,  G02F1/167 ,  G02F2001/1678

Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, an electrophoresis device including the layer, and a display device, the ink composition including (A) a semiconductor nanorod including: a functional group represented by Chemical Formula 1; and (B) a solvent. In Chemical Formula 1, each substituent is as defined in the specification.

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.

公开(公告)号：US20230407124A1

公开(公告)日：2023-12-21

申请号：US18336350

申请日：2023-06-16

Applicant: Samsung Display Co., LTD.

Inventor： Janghyuk KIM ,  Kyuyoung KIM ,  MISUN KIM ,  CHULJIN PARK ,  Heeje WOO ,  Jinsuop YOUN ,  HYUNMOO CHOI ,  Minjun KIM ,  EUN SUN YU

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

CPC classification number: C09D11/52 ,  C09D11/037 ,  C09D11/033 ,  G02F1/167 ,  G02F2202/36 ,  G02F2001/1678

Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, an electrophoresis apparatus including the layer, and a display device, the ink composition including (A) a semiconductor nanorod, and (B) a solvent including a compound having a set or specific structure, wherein the solvent has an electrical conductivity of less than 2.0 μS/m at 25° C.