Low reflectivity photosensitive resin composition and light-shielding layer using same

Patent metadata

Field	Value
Publication number	US-12461445-B2
Application number	US-202118040184-A
Country	US
Kind code	B2
Filing date	Jun 3, 2021
Priority date	Aug 21, 2020
Publication date	Nov 4, 2025
Grant date	Nov 4, 2025

Abstract

According to one embodiment of the present disclosure, a photosensitive resin composition comprising a resin containing a repeating unit represented by Chemical Formula (1), a dye represented by Chemical Formula (2), a reactive unsaturated compound, a pigment, an initiator, and a solvent, and a display device comprising a pattern layer containing a polymerization reaction product of the photosensitive resin composition are provided.

First claim

The invention claimed is:

1 . A photosensitive resin composition comprising:
a binder resin containing a repeating unit represented by the following Chemical Formula (1); a dye represented by the following Chemical Formula (2); a pigment; a reactive unsaturated compound; a photoinitiator; and a solvent:

In Chemical Formula (1),
1) * indicates a part where bonds are connected as a repeating unit,
2) R 1 and R 2 are each independently hydrogen; deuterium; a halogen; a C 6 -C 30 aryl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P; a fused ring group of C 6 -C 30 aliphatic and aromatic rings; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxy group; a C 6 -C 30 aryloxy group; a fluorenyl group; a carbonyl group; an ether group; or a C 1 -C 20 alkoxycarbonyl group,
3) R 1 and R 2 are each capable of forming a ring with an adjacent group,
4) A and b are each independently an integer of 0 to 4,
5) X 1 is a single bond, O, CO, SO 2 , CR′R″, SIR′R″, Chemical Formula (A), or Chemical Formula (B),
6) X 2 is a C 6 -C 30 aryl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P; a fused ring group of C 6 -C 30 aliphatic and aromatic rings; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxy group; a C 6 -C 30 aryloxy group; or combinations thereof,
7) R′ and R″ are each independently hydrogen; deuterium; a halogen; a C 6 -C 30 aryl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P; a fused ring group of C 6 -C 30 aliphatic and aromatic rings; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxy group; a C 6 -C 30 aryloxy group; a fluorenyl group; a carbonyl group; an ether group; or a C 1 -C 20 alkoxycarbonyl group,
8) R′ and R″ are each capable of forming a ring with an adjacent group,
9) A 1 and A 2 are each independently Chemical Formula (C) or Chemical Formula (D),
10) The ratio of Chemical Formula (C) to Chemical Formula (D) within the polymer chain of the resin containing the repeating unit represented by Chemical Formula (1) satisfies 1:9 to 9:1,

In Chemical Formulas (A) and (B),
11-1) * indicates a binding position,
11-2) X 3 is O, S, SO 2 , or NR′,
11-3) R′ is hydrogen; deuterium; a halogen; a C 6 -C 30 aryl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P; a fused ring group of C 6 -C 30 aliphatic and aromatic rings; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxy group; a C 6 -C 30 aryloxy group; a fluorenyl group; a carbonyl group; an ether group; or a C 1 -C 20 alkoxycarbonyl group,
11-4) R 3 to R 6 are each independently hydrogen; deuterium; a halogen; a C 6 -C 30 aryl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P; a fused ring group of C 6 -C 30 aliphatic ring and aromatic ring; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxy group; a C 6 -C 30 aryloxy group; a fluorenyl group; a carbonyl group; an ether group; or a C 1 -C 20 alkoxycarbonyl group,
11-5) R 3 to R 6 are each capable of forming a ring with an adjacent group, and
11-6) c to f are each independently an integer of 0 to 4,

In Chemical Formulas (C) and (D),
12-1) * indicates a binding position,
12-2) R 7 to R 10 are each independently hydrogen; deuterium; a halogen; a C 6 -C 30 aryl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P; a fused ring group of C 6 -C 30 aliphatic and aromatic rings; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxy group; a C 6 -C 30 aryloxy group; a fluorenyl group; a carbonyl group; an ether group; or a C 1 -C 20 alkoxycarbonyl group, and
12-3) Y 1 and Y 2 are Chemical Formula (E),

In Chemical Formula (E),
13-1) * indicates a binding position,
13-2) R 11 is hydrogen; deuterium; a halogen; a C 6 -C 30 aryl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P; a fused ring group of C 6 -C 30 aliphatic and aromatic rings; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxy group; a C 6 -C 30 aryloxy group; a fluorenyl group; a carbonyl group; an ether group; or a C 1 -C 20 alkoxycarbonyl group,
13-3) L 1 is a single bond, C 1 -C 30 alkylene, C 6 -C 30 arylene, or C 2 -C 30 heterocycle,
14) R 1 to R 11 , R′, R″, X 1 to X 2 and L 1 , and a ring formed by bonding adjacent groups to each other are each further substituted with one or more substituents selected from the group consisting of: deuterium; a halogen; a silane group substituted or unsubstituted with a C 1 -C 30 alkyl group or a C 6 -C 30 aryl group; a siloxane group; a boron group; a germanium group; a cyano group; an amino group; a nitro group; a C 1 -C 30 alkylthio group; a C 1 -C 30 alkoxy group; a C 6 -C 30 arylalkoxy group; a C 1 -C 30 alkyl group; a C 2 -C 30 alkenyl group; a C 2 -C 30 alkynyl group; a C 6 -C 30 aryl group; a C 6 -C 30 aryl group substituted with deuterium; a fluorenyl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P; a C 3 -C 30 aliphatic cyclic group; a C 7 -C 30 arylalkyl group; a C 8 -C 30 arylalkenyl group; and combinations thereof, and adjacent substituents form a ring,

In Chemical Formula (2),
15-1) M is Zn, Cu, Ti, Fe, V═O, Ni, Mn, or Co;
15-2) R 20 to R 27 are each independently hydrogen; deuterium; halogen; a C 6 -C 30 aryl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom of O, N, S, Si, and P; a fused ring group of C 6 -C 30 aliphatic and aromatic rings; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxy group; a C 6 -C 30 aryloxy group; a fluorenyl group; a carbonyl group; an ether group; or a C 1 -C 20 alkoxycarbonyl group,
15-3) R 20 to R 27 are each capable of forming a ring with an adjacent group, and
16) the rings formed by bonding R 20 to R 27 and neighboring groups to each other are each further substituted with one or more substituents selected from the group consisting of: deuterium; halogen; a silane group substituted or unsubstituted with a C 1 -C 30 alkyl group or a C 6 -C 30 aryl group; a siloxane group; a boron group; a germanium group; a cyano group; an amino group; a nitro group; a C 1 -C 30 alkylthio group; a C 1 -C 30 alkoxy group; a C 6 -C 30 arylalkoxy group; a C 1 -C 30 alkyl group; a C 2 -C 30 alkenyl group; a C 2 -C 30 alkynyl group; a C 6 -C 30 aryl group; a C 6 -C 30 aryl group substituted with deuterium; a fluorenyl group; a C 2 -C 30 heterocyclic group containing at least one heteroatom selected from the group consisting of O, N, S, Si, and P; a C 3 -C 30 aliphatic ring; a C 7 -C 30 aryla

Assignees

• Duk San Neolux Co Ltd

Inventors

• Lee Changmin
• Ko Yun Jong
• Bae Jun
• Kim Jun Ki
• Cho Hyunsang
• Mun Soung Yun

Classifications

• H10K59/8792

  comprising light absorbing layers, e.g. black layers · CPC title

• H10K59/80

  Constructional details · CPC title

• G03F7/033

  the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers · CPC title

• G03F7/031

  Organic compounds not covered by group G03F7/029 · CPC title

• G03F7/0045

  with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors · CPC title