Core-shell compound, photosensitive resin composition including the same, photosensitive resin layer, color filter, and CMOS image sensor

Patent metadata

Field	Value
Publication number	US-12509588-B2
Application number	US-202217845043-A
Country	US
Kind code	B2
Filing date	Jun 21, 2022
Priority date	Jun 21, 2021
Publication date	Dec 30, 2025
Grant date	Dec 30, 2025

Abstract

A core-shell compound, a photosensitive resin composition including the same, a photosensitive resin layer manufactured using the photosensitive resin composition, a color filter including the photosensitive resin layer, and a CMOS image sensor including the color filter, the core-shell compound including a core represented by Chemical Formula 1 and a shell surrounding the core, the shell being represented by Chemical Formula 2:

First claim

What is claimed is:

1 . A core-shell compound comprising a core represented by Chemical Formula 1 and a shell surrounding the core, the shell being represented by Chemical Formula 2:

wherein, in Chemical Formula 1 and Chemical Formula 2,
R 1 to R 8 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, or a substituted or unsubstituted C1 to C20 alkoxy group, provided that R 1 to R 8 are not all simultaneously a hydrogen atom,
R 1 and R 2 may be fused to each other to form a fused ring,
R 3 and R 4 may be fused to each other to form a fused ring,
at least one of R 1 , R 2 , R 5 , and R 6 includes a substituted or unsubstituted C10 to C20 alkyl group or a substituted or unsubstituted C3 to C20 cycloalkyl group,
at least one of R 3 , R 4 , R 7 , and R 8 includes a substituted or unsubstituted C10 to C20 alkyl group or a substituted or unsubstituted C3 to C20 cycloalkyl group,
at least one of R 1 , R 2 , R 5 , and R 6 is a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof,
at least one of R 3 , R 4 , R 7 , and R 8 is a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof,
L a and L b are each independently a single bond or a substituted or unsubstituted C1 to C10 alkylene group,
n1, n2, n3, and n4 are each independently an integer of 0 to 5, 1≤n1+n2≤3, 1≤n3+n4≤3, and
n is an integer greater than or equal to 2.

2 . The core-shell compound as claimed in claim 1 , wherein:
at least one of R 1 to R 8 includes a substituted or unsubstituted C3 to C20 cycloalkyl group, and the substituted or unsubstituted C3 to C20 cycloalkyl group is a substituted or unsubstituted cyclohexyl group.

3 . The core-shell compound as claimed in claim 1 , wherein:
at least one of R 1 , R 2 , R 5 , and R 6 includes a substituted or unsubstituted C3 to C20 cycloalkyl group at a terminal end thereof, and at least one of R 3 , R 4 , R 7 , and R 8 includes a substituted or unsubstituted C3 to C20 cycloalkyl group at a terminal end thereof.

4 . The core-shell compound as claimed in claim 1 , wherein:
R 5 and R 6 are different from each other, and R 7 and R 8 are different from each other.

5 . The core-shell compound as claimed in claim 1 , wherein:
two of R 1 , R 2 , R 5 , and R 6 are each independently an unsubstituted C10 to C20 alkyl group, a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof, or a substituted or unsubstituted cyclohexyl group, and two of R 3 , R 4 , R 7 , and R 8 are each independently an unsubstituted C10 to C20 alkyl group, a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof, or a substituted or unsubstituted cyclohexyl group.

6 . The core-shell compound as claimed in claim 1 , wherein:
three of R 1 , R 2 , R 5 , and R 6 are each independently an unsubstituted C10 to C20 alkyl group, a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof, or a substituted or unsubstituted cyclohexyl group, and three of R 3 , R 4 , R 7 , and R 8 are each independently an unsubstituted C10 to C20 alkyl group, a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof, or a substituted or unsubstituted cyclohexyl group.

7 . The core-shell compound as claimed in claim 1 , wherein:
Chemical Formula 1 is represented by Chemical Formula 1-1:

in Chemical Formula 1-1,
R 1 to R 4 , R 6 , and R 8 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted cyclohexyl group, or a substituted or unsubstituted C1 to C20 alkoxy group, provided that R 1 to R 4 , R 6 , and R 8 are not all simultaneously a hydrogen atom,
R 1 and R 2 may be fused to each other to form a fused ring,
R 3 and R 4 may be fused to each other to form a fused ring,
R 5 and R 7 are each, a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof, and
n5 and n6 are each independently an integer of 0 to 2.

8 . The core-shell compound as claimed in claim 1 , wherein:
Chemical Formula 1 is represented by Chemical Formula 1-2:

in Chemical Formula 1-2,
R 2 , R 4 , R 6 , and R 8 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted cyclohexyl group, or a substituted or unsubstituted C1 to C20 alkoxy group, provided that R 2 , R 4 , R 6 , and R 8 are not all simultaneously a hydrogen atom,
R 1 and R 2 may be fused to each other to form a fused ring,
R 3 and R 4 may be fused to each other to form a fused ring,
R 1 and R 3 are each a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof, and
n5 and n6 are each independently an integer of 0 to 2.

9 . The core-shell compound as claimed in claim 5 , wherein:
Chemical Formula 1 is represented by Chemical Formula 1-3:

in Chemical Formula 1-3,
R 2 , R 4 , R 6 , and R 8 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted cyclohexyl group, or a substituted or unsubstituted C1 to C20 alkoxy group, provided that R 2 , R 4 , R 6 , and R 8 are not all simultaneously a hydrogen atom,
R 1 and R 2 may be fused to each other to form a fused ring,
R 3 and R 4 may be fused to each other to form a fused ring,
R 1 , R 3 , R 5 , and R 7 are each independently an unsubstituted C10 to C20 alkyl group, a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof, or a substituted or unsubstituted cyclohexyl group, and
n5 and n6 are each independently an integer of 0 to 2.

10 . The core-shell compound as claimed in claim 6 , wherein:
Chemical Formula 1 is represented by Chemical Formula 1-4:

in Chemical Formula 1-4,
R 6 and R 8 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted cyclohexyl group, or a substituted or unsubstituted C1 to C20 alkoxy group,
R 1 and R 2 may be fused to each other to form a fused ring,
R 3 and R 4 may be fused to each other to form a fused ring,
R 1 to R 5 and R 7 are each independently an unsubstituted C10 to C20 alkyl group, a C10 to C20 alkyl group substituted with a cyclohexyl group at a terminal end thereof, or a substituted or unsubstituted cyclohexyl group, and
n5 and n6 are each independently an integer of 0 to 2.

11 . The core-shell compound as claimed in claim 1 , wherein the core represented by Chemical Formula 1 has a maximum absorption wavelength at about 610 nm to about 640 nm.

12 . The core-shell compound as claimed in claim 1 , wherein the shell represented by Chemical Formula 2 is represented by Chemica

Assignees

• Samsung Sdi Co Ltd

Inventors

• Kim Ieju
• Ko Chaehyuk
• KIM Sundae
• Park Baek Soung
• Yang Yeji
• Lee Young
• Lee Jungsun
• Cho Myungho
• Feng Xinhui

Classifications

• H10F39/18

  Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors · CPC title

• G03F7/004

  Photosensitive materials (G03F7/12, G03F7/14 take precedence) · CPC title

• G03F7/0007

  Filters, e.g. additive colour filters; Components for display devices · CPC title

• G02B5/30

  Polarising elements (light-modulating devices with active elements G02F1/00) · CPC title

• G03F7/105

  having substances, e.g. indicators, for forming visible images · CPC title