Resin, resin composition, and display device using same

Patent metadata

Field	Value
Publication number	US-11920025-B2
Application number	US-202117449704-A
Country	US
Kind code	B2
Filing date	Oct 1, 2021
Priority date	Oct 6, 2020
Publication date	Mar 5, 2024
Grant date	Mar 5, 2024

Abstract

Provided are a display device including a resin containing a repeating unit represented by chemical formula (1), a resin composition comprising the resin, and a pixel separation unit formed of the resin composition, in which the display device is a display device including a first electrode formed on a substrate, a pixel separation unit formed on the first electrode to partially expose the first electrode, and a second electrode installed to face the first electrode, and the pixel separation unit has an absorbance of 0.5/μm or more at a wavelength of 550 nm.

First claim

What is claimed is:

1. A resin containing a repeating unit represented by the following chemical formula (1):

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 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,
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 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; or combinations thereof,
7) A 1 and A 2 are each independently chemical formula (C) or chemical formula (D) with the proviso that both chemical formula (C) and chemical formula (D) are present and 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,
wherein:
9) 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 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,
10) R′ and R″ are each capable of forming a ring with an adjacent group,
11) Chemical Formulas (A) and (B) are represented by the following formulas:

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 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,
11-4) 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,
11-6) c to f are each independently an integer of 0 to 4,
12) Chemical Formulas (C) and (D) are represented by the following formulas:

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 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,
12-3) Y 1 and Y 2 are each independently chemical formula (E) or chemical formula (F),
13) Chemical Formulas (E) and (F) are represented by the following formulas:

in chemical formulas (E) and (F),
13-1) * indicates a binding position,
13-2) R 11 to R 15 are each independently hydrogen; deuterium; a halogen; a C 6 -C 3 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,
13-3) L 1 to L 3 are each independently a single bond, C 1 -C 30 alkylene, C 6 -C 30 arylene, or C 2 -C 30 heterocycle,
13-4) g and h are each independently an integer of 0 to 3; However, g+h=3, and
wherein
14) R 1 to R 15 , R′, R″, X 1 to X 2 and L 1 to L 3 , 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.

2. The resin of claim 1 , wherein the resin has an average molecular weight of 1,000 to 100,000 g/mol.

3. A photosensitive resin composition comprising: the resin containing the repeating unit represented by chemical formula (1) according to claim 1 ; a reactive unsaturated compound; an initiator; a coloring matter; and a remainder solvent.

4. The photosensitive resin composition of claim 3 , wherein the reactive unsaturated compound is contained in an amount of 1 to 40% by weight with respect to the total amount of the photosensitive resin composition.

5. The photosensitive resin composition of claim 3 , wherein the reactive unsaturated compound comprises a compound represented by the following chemical formula (2):

in chemical formula (2), two or more of Z 1 to Z 4 each independently have a structure of chemical formula (G) below; and the remaining Z, to Z 4 are each independently hydrogen; deuterium; a halogen; a methyl group; an ethyl group; a methyl hydroxy group; a C 6 -C 30 aryl group; a C 2 -C 30 heterocyclic group cont

Assignees

• Duk San Neolux Co Ltd

Inventors

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

Classifications

• C08L35/02 Primary

  Homopolymers or copolymers of esters (C08L35/06, C08L35/08 take precedence) · CPC title

• C09K19/3804 Primary

  with mesogenic groups in the main chain · CPC title

• C08F2/50

  with sensitising agents · CPC title

• C08F8/42

  Introducing metal atoms or metal-containing groups · CPC title

• C08F222/102

  of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate · CPC title