IP Library › Granted Patent US 12,631,960
Granted Patent B2
US 12,631,960 · App. 18/007,533 · Granted May 19, 2026

Photosensitive resin composition, photosensitive resin film using same, color filter, and display device

Inventor: Kyubuem Choi (Suwon-si, KR)
Assignee: SAMSUNG SDI CO., LTD.
G03F7/0007G03F7/028
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Quick Facts
Patent No.
US 12,631,960
App. No.
18/007,533
Granted
May 19, 2026
Kind
B2
Abstract

Provided are: a photosensitive resin composition including a dye containing a mixture of (A-1) a compound represented by a particular chemical formula and a shell surrounding same, (A-2) a compound represented by another particular chemical formula and a shell surrounding same, and (A-3) a compound represented by still another particular chemical formula and a shell surrounding same; a photosensitive resin film prepared using the composition; a color filter including the photosensitive resin film; and a display device including the color filter.

Claims (37)

1 . A photosensitive resin composition comprising a dye containing a mixture of:

(A-1) a compound represented by Chemical Formula 1 and a shell surrounding it,

(A-2) a compound represented by Chemical Formula 2 and a shell surrounding it, and

(A-3) a compound represented by Chemical Formula 3 and a shell surrounding it:

wherein, in Chemical Formula 1 to Chemical Formula 3,

R 1 to R 3 are each a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, or a substituted or unsubstituted C6 to C20 aryl group,

each R 1 is the same as each other R 1 and different from each R 2 and each R 3 ,

each R 2 is the same as each other R 2 and different from each R 1 and each R 3 , and

each R 3 is the same as each other R 3 and different from each R 1 and each R 2 .

2 . The photosensitive resin composition of claim 1 , wherein

R 1 is a substituted or unsubstituted C6 to C20 aryl group, and

R 2 and R 3 are each independently a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C3 to C20 cycloalkyl group, provided that R 2 and R 3 are each different from each other.

3 . The photosensitive resin composition of claim 1 , wherein R 1 is a C6 to C20 aryl group substituted with a C1 to C10 alkyl group.

4 . The photosensitive resin composition of claim 1 , wherein

R 2 and R 3 are each independently a C1 to C20 alkyl group substituted with a C1 to C10 alkyl group and/or a C1 to C10 alkoxy group, and

R 2 and R 3 are each different from each other.

5 . The photosensitive resin composition of claim 1 , wherein in the mixture, the compound represented by Chemical Formula 1 and the compound represented by Chemical Formula 3 are each included in the same amount.

6 . The photosensitive resin composition of claim 5 , wherein in the mixture, the compound represented by Chemical Formula 2 is included in an amount greater than the compound represented by Chemical Formula 1.

7 . The photosensitive resin composition of claim 5 , wherein in the mixture, the compound represented by Chemical Formula 2 is included in an amount greater than the compound represented by Chemical Formula 3.

8 . The photosensitive resin composition of claim 5 , wherein the mixture includes the compound represented by Chemical Formula 1, the compound represented by Chemical Formula 2, and the compound represented by Chemical Formula 3 in a weight ratio of 1:2:1.

9 . The photosensitive resin composition of claim 1 , wherein the compound represented by Chemical Formula 1 is represented by any one of Chemical Formula 1-1 to Chemical Formula 1-3:

10 . The photosensitive resin composition of claim 1 , wherein the compound represented by Chemical Formula 2 is represented by any one of Chemical Formula 2-1 to Chemical Formula 2-7:

11 . The photosensitive resin composition of claim 1 , wherein the compound represented by Chemical Formula 3 is represented by any one of Chemical Formula 3-1 to Chemical Formula 3-4:

12 . The photosensitive resin composition of claim 1 , wherein the shell is represented by Chemical Formula 4 or Chemical Formula 5:

wherein, in Chemical Formula 4 and Chemical Formula 5,

L a to L d are each independently a single bond or a substituted or unsubstituted C1 to C10 alkylene group.

13 . The photosensitive resin composition of claim 12 , wherein L a to L d are each independently a substituted or unsubstituted C1 to C10 alkylene group.

14 . The photosensitive resin composition of claim 12 , wherein the shell is represented by Chemical Formula 4-1 or Chemical Formula 5-1:

15 . The photosensitive resin composition of claim 14 , wherein the shell has a cage width of 6.5 Å to 7.5 Å.

16 . The photosensitive resin composition of claim 1 , wherein

the compound represented by Chemical Formula 1, the compound represented by Chemical Formula 2, and the compound represented by Chemical Formula 3 each independently have a length of 1 nm to 3 nm.

17 . The photosensitive resin composition of claim 1 , wherein

the photosensitive resin composition further includes a binder resin, a photopolymerizable monomer, a photopolymerization initiator, and a solvent.

18 . The photosensitive resin composition of claim 17 , wherein the photosensitive resin composition further includes malonic acid; 3-amino-1,2-propanediol; a silane-based coupling agent; a leveling agent; a fluorine-based surfactant; a radical polymerization initiator; or a combination thereof.

19 . A photosensitive resin film manufactured by using the photosensitive resin composition of claim 1 .

20 . A color filter comprising the photosensitive resin film of claim 19 .

21 . A display device comprising the color filter of claim 20 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 1, 2022
From: CHOI, KYUBUEM
To: SAMSUNG SDI CO., LTD.
Reel/Frame 061942/0064 →
Priority Claims (1)
KR 10-2020-0104059 · Aug 19, 2020 · national
Continuity (1)
Related Publication 20230236500A1 · Jul 27, 2023
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