# US 11,306,243 B2 · Composition, film, multilayer structure, light emitting device and display

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- Number: US 11,306,243 B2
- Document ID: US11306243B2
- Status: Granted
- Kind: B2
- Application number: 16/623,596
- Filed: 2018-06-22
- Published: 2020-06-11
- Granted: 2022-04-19
- Earliest claimed: 2017-06-23
- Assignees: Sumitomo Chemical Company, Limited
- Applicants: Sumitomo Chemical Company, Limited
- Inventors: Shota Naito; Yoshiaki Sakatani
- Web page: https://patentgrep.com/patent/US11306243B2

## CPC

- C09K 11/025: {non-luminescent particle coatings or suspension media}
- C09K 11/02: Use of particular materials as binders, particle coatings or suspension media therefor
- C09K 11/62: containing gallium, indium or thallium
- C09K 11/664: {Halogenides (C09K11/661 takes precedence)}
- C09K 11/665: {with alkali or alkaline earth metals}
- C09K 11/883: {with zinc or cadmium}
- H10H 20/851: Wavelength conversion means
- B82Y 20/00: Nanooptics, e.g. quantum optics or photonic crystals
- B82Y 30/00: Nanotechnology for materials or surface science, e.g. nanocomposites
- Y02E 10/549: Organic PV cells
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A light-emitting composition including: semiconductor fine particles as component (1); and a compound represented by Formula (X) or a modified product thereof as component (2).

## Claims

### Claim 1

A light-emitting composition comprising:
component (1): semiconductor fine particles;
component (2): a compound represented by Formula (X) or a modified product thereof; and
component (5): at least one component selected from the group consisting of amines having an alkenyl group having 8 to 20 carbon atoms, carboxylic acids having an alkenyl group having 8 to 20 carbon atoms, and salts or ions thereof,
wherein:
Y is a direct bond, an oxygen atom, or a sulfur atom, with the proviso that,
when Y is an oxygen atom, R16 is an alkyl group having 3 to 20 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, or an unsaturated hydrocarbon group having 2 to 20 carbon atoms, and R17 is an alkyl group, a cycloalkyl group, an unsaturated hydrocarbon group or a hydrogen atom, with the proviso that R17 has a smaller number of carbon atoms than R16,
when Y is a direct bond or a sulfur atom, R16 is an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, or an unsaturated hydrocarbon group having 2 to 20 carbon atoms, R17 is an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, an unsaturated hydrocarbon group having 2 to 20 carbon atoms, or a hydrogen atom,
hydrogen atoms in the alkyl group, the cycloalkyl group and the unsaturated hydrocarbon group as R16 or R17 are each independently substituted by or not substituted by a halogen atom, and
hydrogen atoms in the cycloalkyl group as R16 or R17 are each independently substituted by or not substituted by an alkyl group, and
a is an integer of 1 to 3, with the proviso that,
when a is 2 or 3, a plurality of Y may be the same or different,
when a is 2 or 3, a plurality of R16 may be the same or different, and
when a is 1 or 2, a plurality of R17 may be the same or different,
wherein the amines having an alkenyl group having 8 to 20 carbon atoms of component (5) have a salt or ion form represented by an ammonium cation of formula (A1):
wherein R1 to R3 represent a hydrogen atom and R4 is an alkenyl group having 8 to 20 carbon atoms; and
wherein the carboxylic acids having an alkenyl group having 8 to 20 carbon atoms of component (5) have a salt or ion form represented by a carboxylate anion of formula (A2):
R5—CO2− (A2)
wherein R5 represents an alkenyl group having 8 to 20 carbon atoms.

### Claim 2 (depends on 1)

The composition according to claim 1, which further comprises at least one component selected from the group consisting of:
component (3): a solvent; and
component (4): a polymerizable compound or a polymer.

### Claim 3 (depends on 1)

The composition according to claim 1, which further comprises:
component (4′): a polymer,
wherein a total content ratio of the component (1), the component (2), and the component (4′) is 90% by mass or greater with respect to the total mass of the composition.

### Claim 4 (depends on 1)

The composition according to claim 1, wherein the component (1) comprises a perovskite compound comprising constituent components A, B, and X,
wherein the constituent component A indicates a component positioned at each vertex of a hexahedron having the constituent component B at its center in a perovskite type crystal structure and is a monovalent cation,
the constituent component X indicates a component positioned at each vertex of an octahedron having the constituent component B at the center in the perovskite type crystal structure and is one or more kinds of anions selected from the group consisting of a halide ion and a thiocyanate ion, and
the constituent component B indicates a component positioned at a center of a hexahedron where the constituent component A is disposed at each vertex and at a center of an octahedron where the constituent component X is disposed at each vertex in the perovskite type crystal structure and is a metal ion.

### Claim 5 (depends on 4)

The composition according to claim 4, wherein a molar ratio [Si/B] of a Si element in the component (2) to a metal ion in a component B of the perovskite compound is 5.73 or more.

### Claim 6 (depends on 4)

The composition according to claim 4, wherein an amount of the component (1) is 0.0001% by mass or greater and 2% by mass or less.

### Claim 7 (depends on 4)

The composition according to claim 4, which further comprises:
component (4′): a polymer,
wherein a total content ratio of the component (1), the component (2), and the component (4′) is 90% by mass or greater with respect to the total mass of the composition.

### Claim 8 (depends on 1)

The composition according to claim 1, wherein a is 1.

### Claim 9 (depends on 1)

The composition according to claim 1, wherein Y is a direct bond.

### Claim 10 (depends on 1)

The composition according to claim 1, wherein the component (2) comprises at least one component selected from the group consisting of trimethoxyphenylsilane, dodecyltrimethoxysilane, and 1H,1H,2H,2H-perfluorooctyltriethoxysilane.

### Claim 11 (depends on 1)

The composition according to claim 1, wherein the component (1) comprises at least one component selected from the group consisting of a cadmium element, an indium element, and a perovskite compound.

### Claim 12 (depends on 1)

The composition according to claim 1, wherein the semiconductor fine particles have an average particle diameter from 1 nm to 8 nm.

### Claim 13 (depends on 1)

The composition according to claim 1, wherein the semiconductor fine particles have an average particle diameter from 1 nm to 500 nm.

### Claim 14 (depends on 1)

The composition according to claim 1, wherein component (2) directly adsorbs to a surface of component (1).

### Claim 15

A light-emitting composition comprising:
component (1): semiconductor fine particles; and
component (2): a compound represented by Formula (X) or a modified product thereof,
wherein Y is a sulfur atom,
R16 is an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, or an unsaturated hydrocarbon group having 2 to 20 carbon atoms,
R17 is an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, an unsaturated hydrocarbon group having 2 to 20 carbon atoms, or a hydrogen atom,
hydrogen atoms in the alkyl group, the cycloalkyl group and the unsaturated hydrocarbon group as R16 or R17 are each independently substituted by or not substituted by a halogen atom,
hydrogen atoms in the cycloalkyl group as R16 or R17 are each independently substituted by or not substituted by an alkyl group, and
a is an integer of 1 to 3, with the proviso that,
when a is 2 or 3, a plurality of R16 may be the same or different, and
when a is 1 or 2, a plurality of R17 may be the same or different,

### Claim 16 (depends on 1)

A film comprising the composition according to claim 1 as a fabrication material.

### Claim 17

A laminated structure comprising the film according to 16.

### Claim 18 (depends on 17)

A light-emitting device comprising the laminated structure according to claim 17.

### Claim 19 (depends on 17)

A display comprising the laminated structure according to claim 17.