Composition

Abstract

The present invention relates to a composition comprising at least one luminescent moiety.

Description

Field of the Invention

[0001] The present invention relates to a composition, preferably a photocurable composition, comprising at least one light-emitting structural part; a method for preparing the composition; a composite material; a method for manufacturing the composite material; use; a color conversion device; an optical device containing at least one color conversion device; and a method for manufacturing a color conversion device. Background Art

[0002] WO 2017 / 054898 A1 describes a composition comprising red-emitting nanocrystals, a wetting agent and a dispersant, propylene glycol monomethyl ether acetate as a solvent, and an acrylic polymer mixture comprising acrylic acid units containing acid groups and silane-modified acrylic acid units.

[0003] WO 2019 / 002239 A1 discloses a composition comprising semiconductor light-emitting nanoparticles, a polymer and a (meth)acrylate, such as 1.4-cyclohexanedimethanol-monoacrylate having a high viscosity of about 90 cp.

[0004] Patent Literature

[0005] 1. WO 2017 / 054898 A1

[0006] 2. WO 2019 / 002239 A1 SUMMARY OF THE INVENTION

[0008] However, the inventors have recently discovered that there are still one or more major problems that are expected to be improved, as listed below:

[0009] Achieving an optimized haze value of a cured layer (film), an optimized haze value and an improved EQE value of a cured layer (film), preferably achieving an optimized haze value and an improved EQE value of a cured layer (film) without the use of scattering particles, improved thermal stability of the obtained layer (film), improved thermal stability of the light-emitting structure portion in the layer (film), improved dispersibility of the light-emitting structure portion in the composition, enabling phase separation of the light-emitting structure portion from the matrix material after curing, achieving an improved haze value of a cured film (cured composition), improved dispersibility of the light-emitting structure portion in the obtained layer, and improved long-term quantum yield (QY) stability of the light-emitting structure portion in the composition during longer-term storage with or without external light radiation The invention relates to a novel composition comprising a light-emitting structure portion having an improved long-term external quantum efficiency (EQE) stability, an improved long-term external quantum efficiency (QY) stability of the light-emitting structure portion in the obtained layer (film) during longer-term storage with or without external light irradiation, an improved long-term external quantum efficiency (EQE) stability of the light-emitting structure portion in the obtained layer (film) during longer-term storage with or without external light irradiation, an improved good compatibility of the light-emitting structure portion in the composition and / or the obtained layer (film) with the matrix material, and / or achieving easy processing of the composition containing the light-emitting structure portion and the matrix material, making the composition suitable for inkjet printing.

[0010] The inventors aimed to address one or more of the above problems.

[0011] The inventors of the present invention have surprisingly found that one or more of the above technical problems can be solved by the features defined in the claims.

[0012] That is, a novel composition has been discovered, the composition, preferably which is a photocurable composition, more preferably which is a photocurable composition for inkjet, comprising at least, consisting essentially of, or consisting of;

[0013] i) at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more of the functional groups, more preferably the monomer is a (meth)acrylate monomer;

[0014] ii) a light-emitting structure;

[0015] iii) by the following chemical formula (I A ) represented by a first chemical compound; and

[0016] iv) by the following chemical formula (I B ) represented by the second chemical compound.

[0017]

[0018] in

[0019] o is 1, 2 or 3, preferably 1;

[0020] R LA1 is H, D, CN, a linear alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more groups R a substituted, where in each case one or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0021] R LA2 、R LA3 are independently H, D, CN, a linear alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more radicals R a substituted, where in each case one or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(Ra )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0022] R a is, identically or differently on each occurrence, H, D, O, a straight-chain alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms; a straight-chain alkenyl or alkynyl group having 2 to 40 carbon atoms, preferably 2 to 24 carbon atoms, more preferably 2 to 12 carbon atoms; a branched alkenyl or alkynyl group having 3 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 3 to 12 carbon atoms; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, wherein in each of the above groups one or more H atoms may be replaced by D, F, Cl, Br, I, and wherein two or more adjacent substituents R a may optionally form a monocyclic or polycyclic aliphatic ring system with one another;

[0023] A 1 yes

[0024] Y is O, N, S, preferably O or N;

[0025] L is selected from the following divalent groups: straight-chain alkylene groups having 1 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; branched or cyclic alkylene groups having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms; straight-chain alkenylene or alkynylene groups having 2 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; or branched alkenylene or alkynylene groups having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms, each of which may be substituted by one or more radicals R asubstituted, wherein in each case one or more CH2 groups may be substituted by an arylene or heteroarylene group having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, Si(R a )2,Ge(R a )2, Sn(R a )2, C=O, C=S, C=Se, C=NR a , P(=O)(R a ), SO, SO2, -O-, NR a , -C(=O)O-, or -C(=O)NR a -substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, an aralkylene group, a heteroaralkylene group, an alkylarylene group or an alkylheteroarylene group, each of which may be replaced by one or more radicals R a substituted, and wherein in each case one or more H atoms may be replaced by D, F, Cl, Br, I, CN, NO2; or a group represented by the following chemical formula (II) or (II');

[0026]

[0027] in

[0028] m is an integer from 1 to 50, preferably from 1 to 25, more preferably from 2 to 20 and still preferably from 4 to 12;

[0029] l is an integer from 0 or 1 to 25, preferably from 0 or 1 to 20, more preferably from 0 or 1 to 12 and further preferably from 0 or 1 to 8;

[0030] L 1 yes Preferably

[0031] L 2 yes Preferably

[0032] Wherein the dotted line indicates the bond to the rest of the compound and the symbol "*" marks the group L 1 With L 2 The bond between , and where L 1 and L 2 Each of the a Substituted, where L 1 and L 2One or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , or -C(=O)NR a -substitute, and where L 1 and L 2 One or more H atoms in can be replaced by D, F, Cl, Br, I, CN or NO2;

[0033] X LA1 is preferably selected from -COOM 1 、-CO-A 3 -COOM 1 、-OCO-A 3 -COOM 1 、-NCO-A 3 -COOM 1 、-PO(OH)(OM 1 )、-PO(OM 1 )2. -OC(S)SM 1 、-NH2、-NHR a 、-N(R a )2, -SO3M 1 、-SM 1 、-Ar 1 -SM 1 、-OCO-A 3 -SM 1 、-COO-A 3 -SM 1 、-NCO-A 3 -SM 1 、SiOR a , or -N(CS2 M 1 )2 anchoring group;

[0034] Ar 1 is a divalent radical selected from an aromatic ring system or a heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be substituted by one or more radicals R a substituted, and wherein one or more H atoms of the aromatic or heteroaromatic ring system may be replaced by D, F, Cl, Br, I, CN, NO2;

[0035] A 3 is selected from the following divalent groups: linear alkylene groups having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; branched or cyclic alkylene groups having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more groups R a substituted, where in each case one or more CH2 groups may be replaced by Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 25 aromatic ring atoms, preferably 5 to 18 aromatic ring atoms, more preferably 5 to 12 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, and wherein one or more H atoms of the aromatic or heteroaromatic ring system may be replaced by D, F, Cl, Br, I, CN, NO2;

[0036] M 1 represents a hydrogen atom or selected from 1 / 2Mg 2+ 、1 / 2Cu 2+ 、1 / 2Zn 2+ 、1 / 2Pb 2+ 、1 / 2Sn 2+ 、1 / 2Cd 2+ 、1 / 3Bi 3+ or 1 / 4Sn 4+ Metal cations, preferably hydrogen atoms, 1 / 2Mg 2+ 、1 / 2Cu 2+ , or 1 / 2Zn 2+ , more preferably a hydrogen atom;

[0037] Z IB -Y IB -(I B )

[0038] in

[0039] Z IB Yes*-R x1 or Wherein "*" represents the connection point with the symbol Y of the formula;

[0040] R x1 is a group consisting of one or more members selected from the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group; and

[0041] R x2 is a group consisting of one or more members selected from the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group;

[0042] Y IB is a straight-chain alkyl group having 1 to 45 carbon atoms or a branched-chain alkyl group having 3 to 45 carbon atoms, a straight-chain alkenyl group having 1 to 45 carbon atoms or a branched-chain alkenyl group having 3 to 45 carbon atoms, a straight-chain alkoxy group having 1 to 45 carbon atoms or a branched-chain alkoxy group having 3 to 45 carbon atoms, preferably the carbon atoms of the alkyl, alkenyl and / or alkoxy group are in the range of 10 to 35, more preferably they are 14 to 30, even more preferably 16 to 28, further preferably they are 19 to 26, preferably the alkyl, alkenyl and / or alkoxy group may be substituted or unsubstituted, more preferably the alkyl, alkenyl and / or alkoxy group may be replaced by one or more radicals R a substituted, wherein one or more non-adjacent CH2 groups may be replaced by R a C=CR a 、C≡C、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , OS, or CONR a substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2, preferably Y is a linear or branched alkyl group,

[0043] R ais, identically or differently on each occurrence, H, D, or an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group or an alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a heteroaromatic ring system having 5 to 60 carbon atoms, in which an H atom may be replaced by D, F, Cl, Br, I; where two or more adjacent substituents R a can also form with one another monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring systems,

[0044] where Y IB Containing at least one carbon-carbon double bond, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds in the chain.

[0045] In another aspect, the present invention relates to a method for preparing a composition of the present invention, comprising at least the following steps Y1, consisting essentially of the following steps Y1 or consisting of the following steps Y1;

[0046] Y1) mixing at least one light-emitting structural part, a reactive monomer, and a chemical compound to form a composition, wherein the chemical compound comprises at least one (meth)acrylate group and one or more other groups selected from the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine group, a primary amine group, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid group, a hydroxyl group, and a phosphonic acid group.

[0047] In another aspect, the invention relates to a composition obtained or obtainable by a method of the invention.

[0048] In another aspect, the present invention relates to a composite material, preferably a layered composite material, derived or derivable from the composition of the present invention.

[0049] In another aspect, the present invention relates to a composite material, preferably a layered composite material, comprising at least, consisting essentially of, or consisting of;

[0050] 1) Polymer

[0051] and

[0052] II) light-emitting structure,

[0053] wherein the polymer is derived or derivable from at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more of the functional groups, more preferably the monomer is a (meth)acrylate monomer and the polymer;

[0054] According to the chemical formula (I A ) represented by a first chemical compound; and

[0055] According to the chemical formula (I B ) represented by the second chemical compound.

[0056] Preferably, at least a portion of the surface of the light-emitting structure portion is connected to the polymer.

[0057] In another aspect, the present invention relates to a method of making a composite material, wherein the method comprises, consists essentially of, or consists of at least the following steps;

[0058] 1) providing the composition of the present invention onto a substrate,

[0059] II) curing the composition, preferably by light irradiation and / or heat treatment.

[0060] In another aspect, the present invention relates to a composite material, preferably a layered composite material, obtained or obtainable by a method for manufacturing a composite material.

[0061] In another aspect, the present invention further relates to a color conversion device (100) comprising at least a pixel, which is partially or completely filled with a composite material of the present invention comprising at least a matrix material (120) containing a light-emitting structure portion (110), and a bank (150) comprising at least a polymer material.

[0062] In another aspect, the present invention further relates to the use of the composition of the present invention for producing the composite material of the present invention or the device (100) of the present invention.

[0063] In another aspect, the present invention also relates to the use of the color conversion device (100) of the present invention in an optical device (300) containing at least one functional medium (320) configured to modulate light or configured to emit light.

[0064] In another aspect, the present invention also relates to an optical device (300) comprising at least one functional medium (320) configured to modulate light or configured to emit light; and the composite material or color conversion device (100) of the present invention.

[0065] Additional advantages of the present invention will become apparent from the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0066] Figure 1 ： A cross-sectional view of a schematic diagram of one embodiment of a color conversion film (100) is shown.

[0067] Figure 2 ： Shown is a top view of a schematic diagram of another embodiment of a color conversion film (100) of the present invention.

[0068] Figure 3 ： A cross-sectional view showing a schematic diagram of one embodiment of an optical device (300) of the present invention.

[0069] Figure 4 ： A cross-sectional view showing a schematic diagram of another embodiment of an optical device (300) of the present invention.

[0070] Figure 5 ： A cross-sectional view showing a schematic diagram of another embodiment of an optical device (300) of the present invention.

[0071] Figure 1 List of reference numerals in

[0072] 100. Color conversion device

[0073] 110. Luminous structure

[0074] 110R. Luminous structure (red)

[0075] 110G. Luminous structure (green)

[0076] 120. Matrix material

[0077] 130. Light scattering particles (optional)

[0078] 140. Colorant (optional)

[0079] 140R. Colorant (red) (optional)

[0080] 140g. Colorant (green) (optional)

[0081] 140B. Colorant (blue) (optional)

[0082] 150.Dike

[0083] 161. Pixel 1

[0084] 162. Pixel 2

[0085] 163. 3rd Pixel

[0086] 170. Support medium (substrate) (optional)

[0087] Figure 2 List of reference numerals in

[0088] 200. Color conversion film

[0089] 210R. Pixels (red)

[0090] 210G.Pixels (green)

[0091] 210B. Pixel (blue)

[0092] 220.Dike

[0093] Figure 3 List of reference numerals in

[0094] 300.Optical devices

[0095] 100. Color conversion device

[0096] 110. Luminous structure

[0097] 110R. Luminous structure (red)

[0098] 110G. Luminous structure (green)

[0099] 120. Matrix material

[0100] 130. Light scattering particles (optional)

[0101] 140. Colorant (optional)

[0102] 140R. Colorant (red) (optional)

[0103] 140g. Colorant (green) (optional)

[0104] 140B. Colorant (blue) (optional)

[0105] 150.Dike

[0106] 310. Optical layer / substrate

[0107] 320. Optical Modulator

[0108] 321.Polarizer

[0109] 322. Electrodes

[0110] 323. Liquid crystal layer

[0111] 330. Light Source

[0112] 331.LED light source

[0113] 332. Light guide plate (optional)

[0114] 333. Light emission from light source (330)

[0115] Figure 4 List of reference numerals in

[0116] 400.Optical devices

[0117] 100. Color conversion device

[0118] 110. Luminous structure

[0119] 110R. Luminous structure (red)

[0120] 110G. Luminous structure (green)

[0121] 120. Matrix material

[0122] 130. Light scattering particles (optional)

[0123] 140. Colorant (optional)

[0124] 140R. Colorant (red) (optional)

[0125] 140g. Colorant (green) (optional)

[0126] 140B. Colorant (blue) (optional, not mentioned)

[0127] 150.Dike

[0128] 410.Optical layer / substrate

[0129] 420. Optical Modulator

[0130] 421.Polarizer

[0131] 422. Electrodes

[0132] 423. Liquid crystal layer

[0133] 430. Light Source

[0134] 431.LED light source

[0135] 432. Light guide plate (optional)

[0136] 433. Light emission from light source (330)

[0137] 440. Color Filter

[0138] Figure 5 List of reference numerals in

[0139] 500. Optical devices

[0140] 100. Color conversion device

[0141] 110. Luminous structure

[0142] 110R. Luminous structure (red)

[0143] 110G. Luminous structure (green)

[0144] 120. Matrix material

[0145] 130. Light scattering particles (optional)

[0146] 140. Colorant (optional)

[0147] 140R. Colorant (red) (optional)

[0148] 140g. Colorant (green) (optional)

[0149] 140B. Colorant (blue) (optional)

[0150] 150.Dike

[0151] 510.Optical layer / substrate

[0152] 520. Light-emitting devices (e.g., OLEDs)

[0153] 521.TFT

[0154] 522. Electrode (Anode)

[0155] 523.Substrate

[0156] 524. Electrode (Cathode)

[0157] 525. Light-emitting layer (e.g., one or more OLED layers)

[0158] 526. Light emission from the light emitting device (520)

[0159] 530. Optical layers (e.g., polarizers) (optional)

[0160] 540. Color Filter

[0161] Definition of terms

[0162] In this specification, unless otherwise specified, symbols, units, abbreviations and terms have the following meanings.

[0163] In this specification, unless otherwise specifically mentioned, the singular includes the plural, and "one" or "that" means "at least one". In this specification, unless otherwise specifically mentioned, the elements of a concept can be represented by multiple substances, and when describing the amount (for example, mass % or mol %), it means the sum of the multiple substances. "And / or" includes all combinations of the elements and also includes the use of the elements alone.

[0164] In this specification, when "to" or "-" is used to indicate a numerical range, both endpoints are included and the units thereof are common. For example, 5 mol% to 25 mol% means 5 mol% or more and 25 mol% or less.

[0165] In this specification, hydrocarbon means a hydrocarbon comprising carbon and hydrogen and optionally comprising oxygen or nitrogen. Hydrocarbon group means a hydrocarbon that is monovalent or divalent or more. In this specification, aliphatic hydrocarbon means a straight-chain, branched or cyclic aliphatic hydrocarbon, and aliphatic hydrocarbon group means a monovalent or divalent or more aliphatic hydrocarbon. Aromatic hydrocarbon means a hydrocarbon comprising an aromatic ring, which aromatic ring may not only optionally comprise an aliphatic hydrocarbon group as a substituent, but may also be fused with an alicyclic ring. Aromatic hydrocarbon group means an aromatic hydrocarbon that is monovalent or divalent or more. In addition, aromatic ring means a hydrocarbon comprising a conjugated unsaturated ring structure, and alicyclic ring means a hydrocarbon having a ring structure but not comprising a conjugated unsaturated ring structure.

[0166] In the present specification, an alkyl group means a group obtained by removing any one hydrogen from a linear or branched saturated hydrocarbon and includes a linear alkyl group and a branched alkyl group, and a cycloalkyl group means a group obtained by removing one hydrogen from a saturated hydrocarbon containing a cyclic structure and optionally includes a linear or branched alkyl group as a side chain in the cyclic structure.

[0167] In this specification, an aryl group means a group obtained by removing any one hydrogen from an aromatic hydrocarbon. An alkylene group means a group obtained by removing any two hydrogens from a straight-chain or branched saturated hydrocarbon. An arylene group means a hydrocarbon group obtained by removing any two hydrogens from an aromatic hydrocarbon.

[0168] In this specification, when a polymer has multiple types of repeating units, these repeating units are copolymerized. These copolymerizations may be any of the following: alternating copolymerization, random copolymerization, block copolymerization, graft copolymerization, or a mixture of any of these.

[0169] According to the present invention, the term "(meth)acrylate polymer" means a methacrylate polymer, an acrylate polymer, or a combination of a methacrylate polymer and an acrylate polymer.

[0170] The term "emission" means the emission of electromagnetic waves resulting from electronic transitions in atoms and molecules.

[0171] In this specification, Celsius is used as a temperature unit. For example, 20 degrees means 20 degrees Celsius. Detailed Description of the Invention

[0173] According to the present invention, in one aspect, the composition comprises at least, consists essentially of, or consists of;

[0174] i) at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more of the functional groups, more preferably the monomer is a (meth)acrylate monomer;

[0175] ii) a light-emitting structure;

[0176] iii) by the following chemical formula (I A ) represented by a first chemical compound; and

[0177] iv) by the following chemical formula (I B ) represented by the second chemical compound.

[0178]

[0179] in

[0180] o is 1, 2 or 3, preferably 1;

[0181] R LA1 is H, D, CN, a linear alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more groups R a substituted, where in each case one or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0182] R LA2 、R LA3 are independently H, D, CN, a linear alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more radicals R a substituted, where in each case one or more CH2 groups may be replaced by -Ra C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0183] R a is, at each occurrence, identically or differently, H, D, O, a straight-chain alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms; a straight-chain alkenyl or alkynyl group having 2 to 40 carbon atoms, preferably 2 to 24 carbon atoms, more preferably 2 to 12 carbon atoms; a branched alkenyl or alkynyl group having 3 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 3 to 12 carbon atoms; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, wherein in each of the above groups one or more H atoms may be replaced by D, F, Cl, Br, I, and wherein two or more adjacent substituents R a may optionally form a monocyclic or polycyclic aliphatic ring system with one another;

[0184] A 1 yes

[0185] Y is O, N, S, preferably O or N;

[0186] L is selected from the following divalent groups: straight-chain alkylene groups having 1 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; branched or cyclic alkylene groups having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms; straight-chain alkenylene or alkynylene groups having 2 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; or branched alkenylene or alkynylene groups having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms, each of which may be substituted by one or more radicals R a substituted, wherein in each case one or more CH2 groups may be substituted by an arylene or heteroarylene group having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, Si(R a )2,Ge(R a )2, Sn(R a )2, C=O, C=S, C=Se, C=NR a , P(=O)(R a ), SO, SO2, -O-, NR a , -C(=O)O-, or -C(=O)NR a -substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, an aralkylene group, a heteroaralkylene group, an alkylarylene group or an alkylheteroarylene group, each of which may be replaced by one or more radicals R a substituted, and wherein in each case one or more H atoms may be replaced by D, F, Cl, Br, I, CN, NO2; or a group represented by the following chemical formula (II) or (II')

[0187]

[0188] in

[0189] m is an integer from 1 to 50, preferably from 1 to 25, more preferably from 2 to 20 and still preferably from 4 to 12;

[0190] l is an integer from 0 or 1 to 25, preferably from 0 or 1 to 20, more preferably from 0 or 1 to 12 and further preferably from 0 or 1 to 8;

[0191] L 1 yes Preferably

[0192] L2 yes Preferably

[0193] Wherein the dotted line indicates the bond to the rest of the compound and the symbol "*" marks the group L 1 With L 2 The bond between , and where L 1 and L 2 Each of the a Substituted, where L 1 and L 2 One or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , or -C(=O)NR a -substitute, and where L 1 and L 2 One or more H atoms in can be replaced by D, F, Cl, Br, I, CN or NO2;

[0194] X LA1 is preferably selected from -COOM 1 、-CO-A 3 -COOM 1 、-OCO-A 3 -COOM 1 、-NCO-A 3 -COOM 1 、-PO(OH)(OM 1 )、-PO(OM 1 )2. -OC(S)SM 1 、-NH2、-NHR a 、-N(R a )2, -SO3M 1 、-SM 1 、-Ar 1 -SM 1 、-OCO-A 3 -SM 1 、-COO-A 3 -SM 1 、-NCO-A 3 -SM 1 、SiORa , or -N(CS2 M 1 )2 anchoring group;

[0195] Ar 1 is a divalent radical selected from an aromatic ring system or a heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be substituted by one or more radicals R a substituted, and wherein one or more H atoms of the aromatic or heteroaromatic ring system may be replaced by D, F, Cl, Br, I, CN, NO2;

[0196] A 3 is selected from the following divalent groups: linear alkylene groups having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; branched or cyclic alkylene groups having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more groups R a substituted, where in each case one or more CH2 groups may be replaced by Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 25 aromatic ring atoms, preferably 5 to 18 aromatic ring atoms, more preferably 5 to 12 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, and wherein one or more H atoms of the aromatic or heteroaromatic ring system may be replaced by D, F, Cl, Br, I, CN, NO2;

[0197] Preferably, A 3 Not R a substituted and / or said one or more H atoms are not replaced;

[0198] M 1 represents a hydrogen atom or selected from 1 / 2Mg 2+ 、1 / 2Cu 2+ 、1 / 2Zn 2+ 、1 / 2Pb 2+ 、1 / 2Sn 2+ 、1 / 2Cd2+ 、1 / 3Bi 3+ or 1 / 4Sn 4+ Metal cations, preferably hydrogen atoms, 1 / 2Mg 2+ 、1 / 2Cu 2+ , or 1 / 2Zn 2+ , more preferably a hydrogen atom;

[0199] Z IB -Y IB -(I B )

[0200] in

[0201] Z IB Yes*-R x1 or Wherein "*" represents the connection point with the symbol Y of the formula;

[0202] R x1 is a group consisting of one or more members selected from the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group; and

[0203] R x2 is a group consisting of one or more members selected from the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group;

[0204] Y IB is a straight-chain alkyl group having 1 to 45 carbon atoms or a branched-chain alkyl group having 3 to 45 carbon atoms, a straight-chain alkenyl group having 1 to 45 carbon atoms or a branched-chain alkenyl group having 3 to 45 carbon atoms, a straight-chain alkoxy group having 1 to 45 carbon atoms or a branched-chain alkoxy group having 3 to 45 carbon atoms, preferably the carbon atoms of the alkyl, alkenyl and / or alkoxy group are in the range of 10 to 35, more preferably they are 14 to 30, even more preferably 16 to 28, further preferably they are 19 to 26, preferably the alkyl, alkenyl and / or alkoxy group may be substituted or unsubstituted, more preferably the alkyl, alkenyl and / or alkoxy group may be replaced by one or more radicals R a substituted, wherein one or more non-adjacent CH2 groups may be replaced by R a C=CR a 、C≡C、Si(R a )2、Ge(R a )2、Sn(Ra )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , OS, or CONR a substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2, preferably Y is a linear or branched alkyl group,

[0205] R a is, identically or differently on each occurrence, H, D, O or an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group or an alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a heteroaromatic ring system having 5 to 60 carbon atoms, in which an H atom may be replaced by D, F, Cl, Br, I; where two or more adjacent substituents R a can also form with one another monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring systems,

[0206] where Y IB Containing at least one carbon-carbon double bond, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds in the chain.

[0207] -1st chemical compound

[0208] It is believed that formula (I A ) is preferred for controlling the haze value of the composite material (e.g., layer) obtained from the composition. It is also believed that by optimizing the haze value, the first chemical compound of formula (I A ) can lead to a higher EQE.

[0209] In a preferred embodiment of the present invention, formula (I A ) is selected from a linear alkylene group having 1 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; a branched or cyclic alkylene group having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms; a linear alkenylene or alkynylene group having 2 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; or a branched alkenylene or alkynylene group having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms, each of which may be substituted by one or more radicals R a substituted, wherein in each case one or more CH2 groups may be substituted by an arylene or heteroarylene group having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, Si(Ra )2,Ge(R a )2, Sn(R a )2, C=O, C=S, C=Se, C=NR a , P(=O)(R a ), SO, SO2, -O-, NR a , -C(=O)O-, or -C(=O)NR a -substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; or a group represented by chemical formula (II) or (II');

[0210]

[0211] in

[0212] L 1 yes

[0213]

[0214]

[0215] Preferably, L 1 yes

[0216] And L 2 yes Preferably

[0217] Where m, l and R a As already defined above.

[0218] In a further preferred embodiment of the present invention, the chemical formula (I A ) is a compound of the following chemical formula (III)

[0219]

[0220] wherein the symbols appearing are as defined in any one of claims 1 to 6, and wherein Z is a direct bond, C, N or O, preferably it is a direct bond, N or O;

[0221] X LA2 Yes-COOM 1 or -SM 1 ,

[0222] More preferably, Z is a direct bond and X LA2 Yes-COOM 1 , or Z is N or O and X LA2 Yes-SM 1 .

[0223] In an even further preferred embodiment of the present invention, the compound of formula (I) or formula (III) represents a compound of formula (IV), (Va) or (Vb), preferably formula (IV) or (Va),

[0224]

[0225] wherein the symbols have the meanings as defined above, and the index j in formula (IV) is an integer from 1 to 40, preferably from 3 to 24, more preferably from 4 to 12.

[0226] Particularly preferred embodiments of the compound of formula (I) and the compounds of formulae (IV) and (Va) are compounds represented by the following formulae (IV-1) to (IV-6) and (V-1) to (V-6) or (VI-1) and / or (IV-7), (V-7), (V-8).

[0227]

[0228]

[0229]

[0230]

[0231] wherein the symbols and indices have the meanings as defined above; and wherein the index g and the index f of formulae (IV-1) to (IV-6) and (V-1) to (V-6) are each an integer from 1 to 40, preferably from 3 to 24, more preferably from 4 to 12, and the index g and the index f of formulae (VI-7), (V-7) and (V-8) are each an integer from 1 to 40, preferably from 1 to 24, more preferably from 2 to 12, even more preferably from 2 to 6; and R 1 The definition of R is the same as that of R LA1 same.

[0232] Particularly preferably, in the compounds of the formulae (IV-1) to (IV-6) and (V-1) to (V-6), M 1 It's hydrogen.

[0233] According to the present invention, it is further preferred that the compound of formula (I) has a molecular weight in the range of 150 to 2000 Da. More preferably, it has a molecular weight in the range of 150 to 1500 Da and even more preferably in the range of 200 to 1000 Da.

[0234] As the formula (I A) The first chemical compound can use any known chemical compound. For example, the material disclosed in WO2021 / 048244A1 can be used.

[0235] Alternatively, the following compounds can also be used as formula (I A )

[0236] n=1 to 15

[0237] n=1 to 15

[0238] n=1 to 15

[0239] n=1 to 15

[0240]

[0241] n=1 to 15

[0242] n=1 to 15

[0243]

[0244] n=1 to 15

[0245] n=1 to 15

[0246]

[0247] n=1 to 15

[0248]

[0249] n=1 to 15

[0250] Compound L1

[0251] Such chemical compounds are commercially available or can be synthesized by known methods as described in the following "Preparation Example 1".

[0252] From the viewpoint of optimizing the haze value of the cured film (composite material) obtained from the composition of the present invention and obtaining an improved EQE value, the total amount of the first chemical compound is preferably in the range of 0.01 wt % to 10 wt %, more preferably 0.1 wt % to 8 wt %, even more preferably 0.1 wt % to 5 wt %, and particularly preferably it is 0.5 wt % to 3 wt %, based on the total amount of the composition in the absence of a solvent.

[0253] It is believed that adding a certain amount of the first chemical compound, preferably 0.01 wt % or greater, can control the haze value of the cured film (composite material) made from the light-emitting structure portion and the monomer or monomer mixture because it can increase the transparency of the resulting film (composite material). In order to avoid an overly transparent film (composite material) and to achieve a sufficient haze value, 10 wt % or less is preferred.

[0254] - Second chemical compound

[0255] It is believed that the formula (I B ) achieves improved dispersibility of the light-emitting structure part (e.g., QD) in a composition containing one reactive monomer or a mixture of two or more reactive monomers. In particular, the second chemical compound achieves good compatibility with the reactive monomer or the mixture of two or more reactive monomers in the composition and leads to improved dispersibility of the light-emitting structure part in the reactive monomer or the mixture of reactive monomers in the composition. In addition, it is important to use the second chemical compound together with the first chemical compound in the composition to achieve improved dispersibility of the light-emitting nanoparticles, improved compatibility of the light-emitting nanoparticles with the reactive monomer or the mixture of two or more reactive monomers in the composition, improved EQE and / or QY and optimized haze value of the composite material obtained from the composition, preferably simultaneously.

[0256] As formula (I B ) can use publicly available chemical compounds. For example, preferably, the chemical compound is selected from the group consisting of 7-dococenoic acid, myristoleic acid, palmitoleic acid, elaidic acid, 11-octadecenoic acid, cis-9-eicosenoic acid (Gadoleic acid), eicosadienoic acid, docosadienoic acid, α-linolenic acid, mead acid, erucic acid, or nervonic acid, and oleylamine. More preferably, it is selected from 11-octadecenoic acid, cis-9-eicosenoic acid, eicosadienoic acid, docosadienoic acid, α-linolenic acid, mead acid, erucic acid, or nervonic acid. Even more preferably, it is selected from eicosadienoic acid, docosadienoic acid, α-linolenic acid, mead acid, erucic acid, or nervonic acid.

[0257] From the viewpoint of achieving good compatibility, good dispersibility and / or imparting improved stability to the light-emitting structure portion, the total amount of the composition in the absence of a solvent is preferably B )'s total amount of the second chemical compound is preferably in the range of 0.01 wt% to 15 wt%, more preferably 0.1 wt% to 10 wt%, even more preferably 1 wt% to 8 wt%.

[0258] Based on the total amount of the composition in the absence of a solvent, the sum of the total amounts of the first chemical compound and the second chemical compound is preferably in the range of 0.1 wt % to 15 wt %, more preferably 1 wt % to 10 wt %, even more preferably 3 wt % to 8 wt % to appropriately achieve the above-mentioned technical effects.

[0259] -Reactive monomers

[0260] Lower viscosities are believed to be important for preparing low-viscosity compositions suitable for inkjet printing. Therefore, (meth)acrylate monomers having viscosity values within the aforementioned parameter ranges are particularly suitable for preparing compositions for inkjet printing. By using these (meth)acrylate monomers in a composition, when mixed with another material, such as semiconductor light-emitting nanoparticles, at high loadings, the composition can still maintain a lower viscosity within a range suitable for inkjet printing.

[0261] In a preferred embodiment of the present invention, the boiling point (BP) of the reactive monomer is 80°C or higher, preferably it is in the range of 80°C to 400°C, even more preferably 85°C to 375°C, further more preferably 90°C to 350°C, for large-area uniform inkjet printing.

[0262] It is believed that the high boiling point is also important for preparing compositions with lower vapor pressure, preferably less than 0.001 mmHg, for large-area uniform printing. It is preferred to use reactive monomers, preferably (meth)acrylate monomers, more preferably (meth)acrylate monomers of formula (I), (II) and / or (III) having a viscosity value of 25 cP or less at 25°C and a boiling point of at least 80°C or higher (preferably in the range of 85°C to 350°C, more preferably in the range of 100°C to 350°C) to prepare compositions suitable for large-area uniform inkjet printing, even when mixed with high loadings of other materials such as high loadings of semiconductor light-emitting nanoparticles.

[0263] Here, the term "(meth)acrylate" is a general term used for acrylate and methacrylate. Therefore, according to the present invention, the term "(meth)acrylate monomer" means a methacrylate monomer and / or an acrylate monomer.

[0264] According to the present invention, the BP can be estimated by known methods, such as described in Science of Petroleum, Vol. II, p. 1281 (1398).

[0265] According to the present invention, any type of publicly available acrylate and / or methacrylate represented by the chemical formula (I) or (II) may be preferably used.

[0266] Especially for the first aspect, any type of publicly available acrylate and / or methacrylate represented by formula (I), (II) and / or (III) having a viscosity value of 25 cP or less at 25°C may be used.

[0267] Therefore, according to the present invention, the reactive monomer of the composition is preferably a (meth)acrylate monomer selected from a mono-(meth)acrylate monomer, a di-(meth)acrylate monomer or a tri-(meth)acrylate monomer, more preferably represented by the following chemical formula (II);

[0268]

[0269] X 3 is unsubstituted or substituted alkyl, aryl or alkoxy;

[0270] Preferably the symbol X 3 yes

[0271] The "*" on the left side of the formula represents the terminal group C=CR of formula (I) 5 connection points;

[0272] l is 0 or 1;

[0273] R 5 is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;

[0274] R 6 is a linear alkylene chain or alkyleneoxy chain having 1 to 25 carbon atoms, preferably R 6 is a linear alkylene chain or alkyleneoxy chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,

[0275] It may be replaced by one or more groups R a substituted, wherein one or more non-adjacent CH2 groups may be replaced by R a C=CR a 、C≡C、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , OS, or CONR a substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0276] R 7is a linear alkyl chain or alkoxy chain having 1 to 25 carbon atoms, preferably R 7 is a linear alkyl chain or alkoxy chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,

[0277] It may be replaced by one or more groups R a substituted, wherein one or more non-adjacent CH2 groups may be replaced by R a C=CR a 、C≡C、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , OS, or CONR a substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0278] R a is, identically or differently on each occurrence, H, D, or an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group or an alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a heteroaromatic ring system having 5 to 60 carbon atoms, in which an H atom may be replaced by D, F, Cl, Br, I; where two or more adjacent substituents R a They can also form monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring systems with one another.

[0279] In a preferred embodiment, the composition further comprises a (meth)acrylate monomer represented by the following chemical formula (I) and / or a (meth)acrylate monomer represented by the following chemical formula (III);

[0280]

[0281] in

[0282] X 1 is an unsubstituted or substituted alkyl, aryl or alkoxy group or an ester group;

[0283] X 2 is an unsubstituted or substituted alkyl, aryl or alkoxy group or an ester group;

[0284] R 1 is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;

[0285] R 2is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;

[0286] Preferably the symbol X 1 yes

[0287] The "*" on the left side of the formula represents the terminal group C=CR of formula (I) 1 The point of attachment of the carbon atom of the formula (I) is represented by the "*" on the right side. 2 connection points;

[0288] n is 0 or 1;

[0289] Preferably the symbol X 2 yes

[0290] Wherein the "*" on the left side of the formula represents the connection point with the symbol X1 of formula (I), and the "*" on the right side represents the connection point with the terminal group C=CR of formula (I) 2 connection points;

[0291] m is 0 or 1;

[0292] Preferably, at least m or n is 1;

[0293] R 3 is a linear or branched alkylene chain or alkyleneoxy chain having 1 to 25 carbon atoms, a cycloalkane having 3 to 25 carbon atoms or an aryl group having 3 to 25 carbon atoms, preferably R 3 is a linear or branched alkylene chain or alkyleneoxy chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,

[0294] It may be replaced by one or more groups R a substituted, wherein one or more non-adjacent CH2 groups may be replaced by R a C=CR a 、C≡C、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , OS, or CONR a substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0295] R 4is a linear or branched alkylene chain or alkyleneoxy chain having 1 to 25 carbon atoms, a cycloalkane having 3 to 25 carbon atoms or an aryl group having 3 to 25 carbon atoms, preferably R 4 is a linear or branched alkylene chain or alkyleneoxy chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,

[0296] It may be replaced by one or more groups R a substituted, wherein one or more non-adjacent CH2 groups may be replaced by R a C=CR a 、C≡C、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , OS, or CONR a substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0297] R a is, identically or differently on each occurrence, H, D, or an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group or an alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a heteroaromatic ring system having 5 to 60 carbon atoms, in which an H atom may be replaced by D, F, Cl, Br, I; where two or more adjacent substituents R a They may also form monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring systems with one another;

[0298]

[0299] where R 9 is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a (meth)acryloyl group represented by the chemical formula (IV)

[0300]

[0301] R 10 is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a (meth)acryloyl group represented by the chemical formula (V)

[0302]

[0303] R 11 is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a (meth)acryloyl group represented by the chemical formula (VI)

[0304]

[0305] where R 8 、R 8a 、R 8b and R 8c Each occurrence is, independently or dependently, H, CH2CH3 or CH3;

[0306] where R 9 、R 10 and R 11 At least one of them is a (meth)acryloyl group, preferably R 9 、R 10 and R 11 Two of the (meth)acryloyl groups are (meth)acryloyl groups, and the other is a hydrogen atom or a linear alkyl group having 1 to 25 carbon atoms, preferably the (meth)acrylate monomer of formula (III) has an electrical conductivity (S / cm) of 1.0*10 -10 or smaller, preferably it is 5.0*10 -11 or smaller, more preferably within 5.0*10 -11 to 1.0*10 -15 In the range of 5.0*10 -12 to 1.0*10 -15 within the range.

[0307] In a preferred embodiment of the present invention, the (meth)acrylate monomer of formula (II) is in the composition, and the mixing ratio of the (meth)acrylate monomer of formula (I) to the (meth)acrylate monomer of formula (II) is in the range of 1:99 to 99:1 (formula (I): formula (II)), preferably 5:95 to 50:50, more preferably 10:90 to 40:60, even more preferably 15:85 to 35:65, preferably at least one purified (meth)acrylate monomer of formula (I) or (II) is used in the composition, more preferably both the (meth)acrylate monomer of formula (I) and the (meth)acrylate monomer of formula (II) are obtained or obtainable by a purification process.

[0308] In a preferred embodiment, the boiling point (BP) of the (meth)acrylate monomer of formula (I) and / or formula (II) is 80°C or higher, preferably both the (meth)acrylate monomers of formula (I) and formula (II) are 80°C or higher, more preferably they are in the range of 80°C to 400°C, even more preferably 85°C to 375°C, further more preferably 90°C to 350°C.

[0309] In a preferred embodiment of the present invention, the viscosity of the composition at 25°C is 35 cP or less, preferably in the range of 1 to 35 cP, more preferably 2 to 30 cP, even more preferably 2 to 25 cP.

[0310] According to the present invention, the viscosity can be measured at 25° C. using a rheometer Kinexus Ultra+ (Netzsch).

[0311] https: / / www.netzsch-thermal-analysis.com / en / products-solutions / rheology / kinexus-ultra /

[0312] - (Meth)acrylate monomer represented by chemical formula (I) as matrix material

[0313] Also preferably, the R 3 and R of formula (I) 4 are each independently selected from the following groups.

[0314]

[0315]

[0316] Particularly preferably, the R 3 and R 4 is independently or differently selected at each occurrence from the following groups.

[0317]

[0318]

[0319] Among them in R 3 In the case of "*", it indicates the connection point with the oxygen atom of the formula or with X of the formula 2 The connection point, and where R 4 In the case of "*", it indicates the connection point with the oxygen atom of the formula or with X of the formula 1 connection point.

[0320] Furthermore, preferably, the formula (I) is NDDA (nonanediol diacrylate; BP: 342° C.), HDDMA (hexanediol dimethacrylate; BP: 307° C.), HDDA (hexanediol diacrylate; BP: 295° C.) or DPGDA (BP: 314° C.).

[0321]

[0322] - (meth)acrylate monomer represented by chemical formula (II)

[0323] It is believed that the (meth)acrylate monomer represented by the following chemical formula (II) shows a much lower viscosity value than the (meth)acrylate monomer of formula (I). Therefore, by using the (meth)acrylate monomer represented by the chemical formula (II) in combination with the (meth)acrylate monomer of the chemical formula (I), a composition having a much lower viscosity desirable for smooth inkjet printing can be achieved, preferably without reducing the external quantum efficiency (EQE) value.

[0324] It is believed that the combination can achieve low viscosity compositions containing high amounts of other materials (such as high loadings of semiconductor light-emitting nanoparticles). Therefore, when the composition contains other materials, it is particularly suitable for inkjet printing.

[0325] In a preferred embodiment of the present invention, the boiling point (BP) of the (meth)acrylate monomer of chemical formula (II) is 80°C or higher, preferably the (meth)acrylate monomer of chemical formula (II) is in the range of 80°C to 400°C, more preferably 85°C to 375°C, and even more preferably 90°C to 350°C for large-area uniform inkjet printing.

[0326] In a further preferred embodiment of the present invention, the boiling point (BP) of the (meth)acrylate monomer of formula (I) and / or the boiling point (BP) of the (meth)acrylate monomer of formula (II) is 80°C or higher, preferably both the (meth)acrylate monomers of formula (I) and formula (II) are 80°C or higher, more preferably in the range of 80°C to 400°C, even more preferably in the range of 85°C to 375°C, further more preferably in the range of 90°C to 350°C, for large-area uniform inkjet printing.

[0327] Also preferably, the R 7 is independently or differently selected at each occurrence from the following groups.

[0328]

[0329] Where "*" means that when l is 1, 3 R 6 and when n is 0, it represents the connection point with X of formula (II) 3 The oxygen atom is the point of attachment.

[0330] Also preferably, the formula (II) is lauryl methacrylate (LM, viscosity 6 cP, BP: 142° C.) or lauryl acrylate (LA, viscosity: 4.0 cP, BP: 313.2° C.).

[0331] It is believed that a higher amount of the (meth)acrylate monomer of the chemical formula (I) compared to the total amount of the (meth)acrylate monomer of the chemical formula (II) leads to an improved EQE of the composition, and from the viewpoint of the viscosity of the composition and better inkjet characteristics of the composition, a mixing weight ratio of the (meth)acrylate monomer of the chemical formula (II) of less than 50 wt.% to the total amount of the (meth)acrylate monomer of the chemical formula (I) is preferred.

[0332] Preferably, a (meth)acrylate monomer purified by using a silica column is used.

[0333] It is believed that the removal of impurities from the (meth)acrylate monomers by silica column purification results in improved QY of the semiconductor light emitting nanoparticles in the composition.

[0334] - (meth)acrylate monomer of formula (III)

[0335] It is believed that the (meth)acrylate monomer of formula (III) can be used to improve the hardness / curability of the layer made from the composition after inkjet printing.

[0336] According to the present invention, a well-known (meth)acrylate monomer represented by the following chemical formula (III) may be used to improve the hardness / curability of the layer after inkjet printing and crosslinking.

[0337] Very preferably, trimethylolpropane triacrylate (TMPTA) is used as the (meth)acrylate monomer of formula (III).

[0338] In a preferred embodiment of the present invention, the amount of the (meth)acrylate monomer of formula (III) is in the range of 0.001 wt.% to 25 wt.%, more preferably in the range of 0.1 wt.% to 15 wt.%, even more preferably 1 wt.% to 10 wt.%, further more preferably 3 wt.% to 7 wt.%, based on the total amount of (meth)acrylate monomers in the composition.

[0339] In some embodiments of the present invention, the composition comprises at least a (meth)acrylate monomer of formula (III), a (meth)acrylate monomer of formula (II), and a polymer, wherein the polymer is configured such that the polymer can disperse scattering particles in the composition, wherein the mixing ratio of the (meth)acrylate monomer of formula (III): the (meth)acrylate monomer of formula (II): the polymer is 1:5:0.01 to 5:4:1.

[0340] Preferably, these (meth)acrylate monomers purified by using a silica column are used.

[0341] It is believed that the removal of impurities from the (meth)acrylate monomers by silica column purification results in improved QY of the semiconductor light emitting nanoparticles in the composition.

[0342] -Light emitting structure part (110)

[0343] In a preferred embodiment of the present invention, the light-emitting structure part is an organic light-emitting structure part and / or an inorganic light-emitting structure part, preferably it is an inorganic light-emitting structure part, more preferably it is an inorganic light-emitting structure part selected from inorganic phosphors and quantum materials, preferably the light-emitting structure part contains a ligand attached to the outermost surface of the light-emitting structure part, more preferably the ligand is a chemical formula (I A ) and / or chemical compounds of formula (I B ) chemical compounds.

[0344] In some embodiments of the present invention, the total amount of the light emitting structure portion (110) is in the range of 0.1 wt.% to 90 wt.%, preferably 10 wt.% to 70 wt.%, more preferably 20 wt.% to 60 wt.%, based on the total amount of pixels, preferably the first pixel (161) and / or the second pixel (162). Preferably, the light emitting structure portion is configured to emit light having a peak maximum light wavelength in the range of 400 to 900 nm, more preferably 500 to 850 nm, even more preferably 510 to 820 nm.

[0345] In a preferred embodiment of the present invention, when the light-emitting structure part is an inorganic light-emitting material, the average diameter of the inorganic part of the light-emitting structure part is in the range of 1nm to 18nm, preferably it is 2 to 15nm, more preferably it is 3 to 12nm.

[0346] Therefore, in some embodiments of the present invention, the light-emitting structure part is an organic light-emitting structure part and / or an inorganic light-emitting structure part, preferably it is an inorganic light-emitting structure part, more preferably it is an inorganic light-emitting structure part that is an inorganic phosphor or quantum material, preferably the light-emitting structure part contains a ligand attached to the outermost surface of the light-emitting structure part, more preferably the ligand is a chemical compound of the present invention and / or it is a straight chain or branched alkyl group having 1 to 45 carbon atoms, a straight chain or branched alkenyl group having 1 to 45 carbon atoms, or a straight chain or branched alkoxy group having 1 to 45 carbon atoms.

[0347] -iii) Semiconductor luminescent nanoparticles

[0348] According to the present invention, the term "semiconductor" means a material having an electrical conductivity at room temperature that is somewhat between the electrical conductivity of a conductor (such as copper) and the electrical conductivity of an insulator (such as glass). Preferably, a semiconductor is a material whose electrical conductivity increases with temperature.

[0349] The term "nano-sized" means a size of 0.1 nm to 150 nm, more preferably 3 nm to 50 nm.

[0350] Therefore, according to the present invention, "semiconductor luminescent nanoparticles" are used to refer to luminescent materials whose size is 0.1nm to 150nm, more preferably 3nm to 50nm, and which have an electrical conductivity at room temperature to a certain extent between the conductivity of a conductor (such as copper) and the conductivity of an insulator (such as glass). Preferably, the semiconductor is a material whose conductivity increases with temperature and has a size of 0.1nm to 150nm, preferably 0.5nm to 150nm, more preferably 1nm to 50nm.

[0351] According to the present invention, the term "size" means the average diameter of a circle having an area equal to the average area of the dark contrast features in the TEM image.

[0352] The average diameter of the semiconductor nano-sized light-emitting particles was calculated based on 100 semiconductor light-emitting nanoparticles in a TEM image created by a Tecnai G2 Spirit Twin T-12 transmission electron microscope.

[0353] In a preferred embodiment of the present invention, the semiconductor light-emitting nanoparticles of the present invention are quantum size materials.

[0354] According to the present invention, the term "quantum sized" means the size of the semiconductor material itself without ligands or another surface modification, which can show quantum confinement effects as described, for example, in ISBN: 978-3-662-44822-9.

[0355] For example, CdS, CdSe, CdTe, ZnS, ZnSe, ZnSeS, ZnTe, ZnO, GaAs, GaP, GaSb, HgS, HgSe, HgSe, HgTe, InAs, InP, InPZn, InPZnS, InPZnSe, InPZnSeS, InPZnGa, InPGaS, InPGaSe, InPGaSeS, InPZnGaSeS and InPGa, InCdP, InPCdS, InPCdSe, InSb, AlAs, AlP, AlSb, Cu2S, Cu2Se, CuInS2, CuInSe2, Cu2(ZnSn)S4, Cu2(InGa)S4, TiO2 alloys and combinations of any of these can be used.

[0356] In a preferred embodiment of the present invention, the first semiconductor material contains at least one element of Group 13 of the periodic table and one element of Group 15 of the periodic table, preferably the element of Group 13 is In and the element of Group 15 is P, more preferably the first semiconductor material is selected from the group consisting of InP, InPZn, InPZnS, InPZnSe, InPZnSeS, InPZnGa, InPGaS, InPGaSe, InPGaSeS, InPZnGaSeS and InPGa.

[0357] According to the present invention, the shape of the core of the semiconductor light-emitting nanoparticles and the type of shape of the semiconductor light-emitting nanoparticles to be synthesized are not particularly limited.

[0358] For example, spherical, elongated, star-shaped, polyhedral, pyramidal, tetrapodal, tetrahedral, flake-shaped, cone-shaped, and irregularly shaped cores and-or semiconductor light-emitting nanoparticles can be synthesized.

[0359] In some embodiments of the invention, the average diameter of the core is in the range of 1.5 nm to 3.5 nm.

[0360] The average diameter of the core was calculated based on 100 semiconductor light-emitting nanoparticles in a TEM image created by a Tecnai G2 Spirit Twin T-12 transmission electron microscope by measuring the longest axis of each single particle.

[0361] In some embodiments of the present invention, at least one shell comprises or consists of a first element of Group 12 of the Periodic Table and a second element of Group 16 of the Periodic Table, preferably, the first element is Zn and the second element is S, Se, or Te; preferably, the first shell directly covering the core comprises or consists of a first element of Group 12 of the Periodic Table and a second element of Group 16 of the Periodic Table, preferably, the first element is Zn and the second element is S, Se, or Te.

[0362] In a preferred embodiment of the present invention, at least one shell layer (first shell layer) is represented by the following formula (XI), preferably, the shell layer directly covering the core is represented by chemical formula (XI);

[0363] ZnS x Se y Te z -(XI)

[0364] Wherein 0≤x≤1, 0≤y≤1, 0≤z≤1, and x+y+z=1, preferably 0≤x≤1, 0≤y≤1, z=0, and x+y=1, preferably, the shell is ZnSe, ZnS, ZnS x Se y 、ZnSe y Te z or ZnS x Te z .

[0365] In some embodiments of the present invention, the shell layer is an alloy shell layer or a gradient shell layer. Preferably, the gradient shell layer is ZnS x Se y 、ZnSe y Te z , or ZnS x Te z , more preferably it is ZnS x Se y .

[0366] In some embodiments of the present invention, the semiconductor light-emitting nanoparticles further include a second shell layer on the shell layer, preferably, the second shell layer includes or consists of a third element of group 12 of the periodic table and a fourth element of group 16 of the periodic table, more preferably, the third element is Zn and the fourth element is S, Se, or Te, provided that the fourth element and the second element are not the same.

[0367] In a preferred embodiment of the present invention, the second shell is represented by the following formula (XI'):

[0368] ZnS x Se y Te z -(XI′)

[0369] Where 0≤x≤1, 0≤y≤1, 0≤z≤1, and x+y+z=1, preferably, the shell is ZnSe, ZnS x Se y 、ZnSe y Te z , or ZnS x Tez , provided that the shell and the second shell are different.

[0370] In some embodiments of the present invention, the second shell layer may be an alloy shell layer.

[0371] In some embodiments of the present invention, the semiconductor light-emitting nanoparticles may further comprise one or more additional shell layers on the second shell layer as a multiple shell.

[0372] According to the present invention, the term "multiple shell" stands for stacked shells consisting of three or more shells.

[0373] For example, CdSe / CdS, CdSeS / CdZnS, CdSeS / CdS / ZnS, ZnSe / CdS, CdSe / ZnS, InP / ZnS, InP / ZnSe, InP / ZnSe / ZnS, InZnP / ZnS, InZnP / ZnSe, InZ nP / ZnSe / ZnS, InGaP / ZnS, InGaP / ZnSe, InGaP / ZnSe / ZnS, InZnPS / ZnS, InZnPS / ZnSe, InZnPS / ZnSe / ZnS, ZnSe / CdS, ZnSe / ZnS or a combination of any of these. Preferably, InP / ZnS, InP / ZnSe, InP / ZnSe / ZnS, InZnP / ZnS, InZnP / ZnSe, InZnP / ZnSe / ZnS, InGaP / ZnS, InGaP / ZnSe, InGaP / ZnSe / ZnS.

[0374] Such semiconductor luminescent nanoparticles are publicly available (eg from Sigma Aldrich) and / or can be synthesized using methods described in, for example, US 7,588,828 B, US 8,679,543 B and Chem. Mater. 2015, 27, pp. 4893-4898.

[0375] -ligand

[0376] In some embodiments of the present invention, optionally and additionally, the light-emitting structure portion can be directly coated with one or more ligands, or the outermost surface of the inorganic portion of the semiconductor light-emitting nanoparticle can be directly coated with one or more of the additional ligands. As an option, the ligand-coated semiconductor light-emitting nanoparticles can be polymer-coated to form polymer beads having one or more of the semiconductor light-emitting nanoparticles inside.

[0377] As ligands, phosphines and phosphine oxides such as trioctylphosphine oxide (TOPO), trioctylphosphine (TOP) and tributylphosphine (TBP) can be used; phosphonic acids such as dodecylphosphonic acid (DDPA), tridecylphosphonic acid (TDPA), octadecylphosphonic acid (ODPA) and hexylphosphonic acid (HPA); amines such as oleylamine, dodecylamine (DDA), tetradecylamine (TDA), hexadecylamine (HDA) and octadecylamine (ODA), oleylamine (OLA), 1-octadecene (ODE); thiols such as hexadecylmercaptoethanol, dodecylmercaptoethanol and hexanethiol; mercaptocarboxylic acids such as mercaptopropionic acid and mercaptoundecanoic acid; carboxylic acids such as oleic acid, stearic acid, myristic acid; acetic acid, polyethyleneimine (PEI), monofunctional polyethylene glycol PEG thiol (mPEG-thiol) or derivatives of mPEG thiol, PEG carboxylate and combinations of any of these can be used.

[0378] Examples of such ligands have been described, for example, in International Published Patent Application No. WO 2012 / 059931 A.

[0379] - Composition

[0380] In some embodiments of the present invention, the composition comprises two or more semiconductor light-emitting nanoparticles.

[0381] In some embodiments of the present invention, the composition comprises a plurality of semiconductor light emitting nanoparticles.

[0382] In some embodiments of the present invention, the total amount of semiconductor light-emitting nanoparticles ranges from 0.1 wt.% to 90 wt.%, preferably 10 wt.% to 70 wt.%, more preferably 20 wt.% to 60 wt.%, based on the total amount of the composition.

[0383] According to the present invention, preferably the composition is configured to show an EQE value of 23% or more, preferably 24% or more and less than 50%.

[0384] According to the present invention, the EQE is measured at room temperature by the following EQE measurement method, which is based on the use of an integrating sphere equipped with a 450 nm excitation light source and a spectrometer (C9920, Hamamatsu photonics) coupled via an optical fiber, and the method consists of the following: a first measurement uses air as a reference to detect the incident photons of the excitation light, and a second measurement places the sample or the test cell in front of the integrating sphere between the opening of the integrating sphere and the optical fiber outlet to detect the incident photons transmitted from the excitation light source through the sample and the photons emitted from the sample or the test cell, however, for both cases, the photons leaving the integrating sphere are counted by the spectrometer, and the EQE and BL calculations are performed using the following equations, and the number of photons of the excitation light and the emitted light is calculated by integrating over the following wavelength ranges;

[0385] EQE = photons [emitted light] / photons [excitation light measured without the sample in place];

[0386] BL = photons [excitation light measured with the sample in place] / photons [excitation light measured without the sample in place];

[0387] If a green light-emitting structure is used, the emitted light is 490nm-580nm.

[0388] If a red light-emitting structure is used, the emitted light is 580nm-780nm

[0389] Excitation light: 390nm-490nm can be used. Excitation light for the red emitting structure: 430nm-470nm is suitable.

[0390] According to the present invention, in a preferred embodiment, the viscosity of the composition at 25°C is 35 cP or less, preferably in the range of 1 to 35 cP, more preferably 2 to 35 cP, even more preferably 2 to 30 cP.

[0391] In a preferred embodiment of the present invention, the composition comprises 10 wt% or less of a solvent based on the total amount of the composition, more preferably it is 5 wt% or less, more preferably it is a solvent-free composition, preferably the composition does not comprise any of the following solvents selected from one or more members of the group consisting of: ethylene glycol monoalkyl ethers such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether and ethylene glycol monobutyl ether; diethylene glycol dialkyl ethers such as diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol dipropyl ether and diethylene glycol dibutyl ether; propylene glycol monoalkyl ethers such as propylene glycol monomethyl ether (PGME), propylene glycol monoethyl ether and propylene glycol monopropyl ether; ethylene glycol alkyl ether acetates such as methyl cellosolve acetate and ethyl cellosolve acetate; propylene glycol alkyl ether acetates such as propylene glycol monomethyl ether acetate (PGMEA), propylene glycol monoethyl ether ethyl esters and propylene glycol monopropyl ether acetate; ketones such as methyl ethyl ketone, acetone, methyl amyl ketone, methyl isobutyl ketone and cyclohexanone; alcohols such as ethanol, propanol, butanol, hexanol, cyclohexanol, ethylene glycol, triethylene glycol and glycerol; esters such as ethyl 3-ethoxypropionate, methyl 3-methoxypropionate and ethyl lactate; and cyclic lactones (aster) such as gamma-butyrolactone; chlorinated hydrocarbons such as chloroform, dichloromethane, chlorobenzene, Trimethylbenzene (such as 1,3,5-trimethylbenzene, 1,2,4-trimethylbenzene, 1,2,3-trimethylbenzene), dodecylbenzene, cyclohexylbenzene, 1,2,3,4-tetramethylbenzene, 1,2,3,5-tetramethylbenzene, 3-isopropylbiphenyl, 3-methylbiphenyl, 4-methylbiphenyl and dichlorobenzene, preferably the solvent is propylene glycol alkyl ether acetate, alkyl acetate, ethylene glycol monoalkyl ether, propylene glycol and propylene glycol monoalkyl ether.

[0392] It is believed that less than 10 wt% of solvent in the composition results in improved ink jetting, and it may avoid jetting ink a second or more times onto the same pixel after evaporation of the solvent.

[0393] According to the present invention, it is desired to achieve large area inkjet printing with improved uniformity without adding any solvent, without causing any clogging at the nozzle and / or with good dispersion of semiconductor light-emitting nanoparticles and / or with good dispersion of scattering particles.

[0394] According to the present invention, preferably, the composition further comprises other materials selected from one or more members of the group consisting of:

[0395] Another light-emitting structure portion different from the light-emitting structure portion, preferably the light-emitting structure portion comprises a ligand, more preferably the light-emitting structure portion comprises an alkyl or alkenyl type ligand having 2 to 25 carbon atoms; a (meth)acrylate monomer different from the (meth)acrylate monomer in the present invention, scattering particles, a transparent polymer, an antioxidant, a free radical quencher, a photoinitiator, and a surfactant. More preferably, the composition comprises one or more other materials selected from the group consisting of: a (meth)acrylate monomer different from the (meth)acrylate monomer of embodiment 8; scattering particles, a transparent polymer, an antioxidant, a free radical quencher, a photoinitiator, and a surfactant.

[0396] In some embodiments of the present invention, preferably the composition of the present invention comprises scattering particles in the range of 0 to 5 wt%, more preferably 0 to 1 wt%, and even more preferably the composition does not contain any scattering particles.

[0397] According to the present invention, the scattering particles refer to small particles of well-known inorganic oxides, such as SiO2, SnO2, CuO, CoO, Al2O3, TiO2, Fe2O3, Y2O3, ZnO, ZnS, MgO; organic particles, such as polymerized polystyrene, polymerized PMMA; inorganic hollow oxides, such as hollow silica, or a combination of any of these.

[0398] According to the present invention, the term "transparent" means that at a thickness used in an optical medium and at a wavelength or wavelength range used during operation of the optical medium, at least about 60% of the incident light is transmitted. Preferably, it is greater than 70%, more preferably, greater than 75%, and most preferably, greater than 80%.

[0399] According to the present invention, the term "polymer" means a material having repeating units and having a weight average molecular weight (Mw) of 1000 g / mol or more.

[0400] Molecular weight M w Determined by means of GPC (=gel permeation chromatography) against the internal standard polystyrene.

[0401] In some embodiments of the present invention, the glass transition temperature (Tg) of the transparent polymer is 70°C or higher and 250°C or lower.

[0402] Tg is measured based on the change in heat capacity observed in differential scanning calorimetry as described in Rickey J Seyler, Assignment of the Glass Transition, ASTM Publication Code No. (PCN) 04-012490-50.

[0403] For example, as the transparent polymer for the transparent matrix material, poly(meth)acrylate, epoxy resin, polyurethane, polysiloxane can be preferably used.

[0404] In a preferred embodiment of the present invention, the weight average molecular weight (Mw) of the polymer as the transparent matrix material is in the range of 1,000 to 300,000 g / mol, more preferably it is 10,000 to 250,000 g / mol.

[0405] According to the present invention, known antioxidants, free radical quenchers, photoinitiators and / or surfactants, such as those described in WO 2016 / 134820A, may preferably be used.

[0406] -method

[0407] In another aspect, the present invention also relates to a method for preparing a composition of the present invention, comprising at least the following steps Y1 or Y2, consisting essentially of the following steps Y1 or Y2, or consisting of the following steps Y1 or Y2;

[0408] Y1) mixing at least one light-emitting structure part, at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more functional groups, more preferably the monomer is a (meth)acrylate monomer;

[0409] According to the chemical formula (I A ) represented by the first chemical compound; and / or

[0410] According to the chemical formula (I B ) to form a second chemical compound represented by ) to form a composition.

[0411] Y2) mixing at least one light-emitting structure part, at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more functional groups, more preferably the monomer is a (meth)acrylate monomer;

[0412] The luminescent nanoparticles have the chemical formula (I A ) represented by the first ligand of the first chemical compound; and / or from the first ligand of the first chemical compound represented by the chemical formula (I B ) is preferably a second ligand of a second chemical compound represented by formula (I A ) represented by the first chemical compound; and / or

[0413] According to the chemical formula (I B ) to form a composition, which can be directly attached to the light-emitting structure as a ligand. Preferably, in step Y2, the second chemical compound represented by chemical formula (I A) represented by the first chemical compound; and / or

[0414] According to the chemical formula (I B ) to form a composition, which may be further added and mixed.

[0415] In one embodiment of the invention, the method comprises a purification step of the light-emitting moiety after mixing with the chemical compound and before adding the reactive monomer.

[0416] More details of the composition such as "Reactive Monomer," "Emitting Moiety," and "Chemical Compound" are described above in sections such as "Reactive Monomer," "Emitting Moiety," and "Chemical Compound."

[0417] Additional additives as described in the section "Additional Materials" may be mixed.

[0418] In another aspect, the present invention also relates to a composition obtained or obtainable by a process for preparing the above-identified composition.

[0419] -Layered composite materials

[0420] In another aspect, the present invention also relates to a composite material, preferably a layered composite material, derived or derivable from one or more of the compositions of the present invention.

[0421] In another aspect, the present invention also relates to a composite material, preferably a layered composite material, comprising at least the following:

[0422] 1) Polymer

[0423] and

[0424] II) light-emitting structure,

[0425] wherein the polymer is derived or derivable from at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more of the functional groups, more preferably the monomer is a (meth)acrylate monomer and the polymer;

[0426] According to the chemical formula (I A ) represented by a first chemical compound; and

[0427] According to the chemical formula (I B ) represented by the second chemical compound.

[0428] Preferably, at least a portion of the surface of the light-emitting structure portion is connected to the polymer.

[0429] In a preferred embodiment of the present invention, the composite material, which is a layered composite material, has an average layer thickness in the range of 1 to 50 μm, preferably 5 to 15 μm, more preferably 8 to 15 μm, still preferably 8-12 μm.

[0430] Further preferably, the composition is configured to show an EQE value of 25% or more, preferably 30% or more and less than 50%.

[0431] In another aspect, the present invention also relates to a method for producing the composite material of the present invention, wherein the method comprises at least the following steps;

[0432] 1) providing the composition of these embodiments onto a substrate,

[0433] II) curing the composition, preferably by light irradiation and / or heat treatment.

[0434] The composite material, preferably the layered composite material, is obtained or obtainable by the method for manufacturing the composite material of the invention indicated above.

[0435] In another aspect, the present invention also relates to a method for manufacturing a color conversion device (100) according to the present invention, comprising at least the following steps, preferably in this sequence;

[0436] Xi) providing a bank composition onto the surface of a support medium,

[0437] Xii) curing the bank composition,

[0438] Xiii) applying photolithographic patterning to the cured composition to produce banks and patterned pixel regions,

[0439] Xiv) providing the composition according to the invention to at least one pixel area, preferably by inkjet,

[0440] xv) curing the composition, preferably the color conversion device (100) further comprises a support medium (170).

[0441] - Use of the composition / composite material

[0442] In another aspect, the present invention further relates to use of the composition or composite material of the present invention in an electronic device, an optical device, a sensor device or a biomedical device, or in the manufacture of an electronic device, a sensor device, an optical device or a biomedical device.

[0443] -Color conversion device (100)

[0444] On the other hand, the present invention also relates to a color conversion device (100), which comprises at least a pixel and a bank (150), preferably the pixel is the first pixel (161) or the second pixel (162), which is partially or completely filled with a layer of the present invention comprising at least a matrix material (120), the matrix material contains a light-emitting structure part (110), and the bank comprises at least a polymer material, preferably the color conversion device (100) further contains a supporting medium (170).

[0445] -Pixel

[0446] According to the present invention, the pixel comprises at least a matrix material (120) containing a light-emitting structure portion (110), and preferably the pixel is the first pixel (161) or the second pixel (162). In a preferred embodiment, the pixel is a solid layer obtained or obtainable by curing a composition of the present invention containing at least one acrylate monomer and at least one light-emitting structure portion (110), and preferably the curing is photocuring by light radiation, thermal curing, or a combination of photocuring and thermal curing.

[0447] In a preferred embodiment of the invention, the layer thickness of the pixels is in the range of 0.1 to 100 μm, preferably it is 1 to 50 μm, more preferably 5 to 25 μm.

[0448] In some embodiments of the present invention, the color conversion device (100) further contains a second pixel (162), preferably the device (100) contains at least the first pixel (161), the second pixel (162) and the third pixel (163), more preferably the first pixel (161) is a red pixel, the second pixel (162) is a green pixel and the third pixel (163) is a blue pixel, even more preferably the first pixel (161) contains a red light-emitting structure portion (110R), the second color pixel (162) contains a green light-emitting structure portion (110G) and the third pixel (163) does not contain any light-emitting structure portion.

[0449] In some embodiments of the present invention, the first pixel (161) is composed of one pixel or two or more sub-pixels, which are configured to emit red when irradiated by excitation light, and more preferably, the sub-pixels contain the same light-emitting structure part (110).

[0450] - Matrix material (120)

[0451] In a preferred embodiment, the matrix material (120) contains a (meth)acrylate polymer, preferably a methacrylate polymer, an acrylate polymer or a combination thereof, more preferably an acrylate polymer, even more preferably the matrix material (120) is obtained or obtainable from a composition of the present invention containing at least one acrylate monomer, further more preferably the matrix material (120) is obtained or obtainable from a composition of the present invention containing at least one diacrylate monomer, particularly preferably the matrix material (120) is obtained or obtainable from a composition of the present invention containing at least one diacrylate monomer and a monoacrylate monomer, preferably the composition is a photosensitive composition.

[0452] -Dike(150)

[0453] In some embodiments of the present invention, the height of the bank (150) is in the range of 0.1 to 100 μm, preferably it is 1 to 50 μm, more preferably 1 to 25 μm, still more preferably 5 to 20 μm.

[0454] In a preferred embodiment of the present invention, the embankment (150) is configured to determine the area of the pixel, preferably the pixel is the first pixel (161) or the second pixel (162), and to make at least a portion of the embankment (150) directly contact at least a portion of the pixel, preferably the second polymer of the embankment (150) is directly contacted with at least a portion of the first polymer of the first pixel (161).

[0455] More preferably, the embankment (150) is photolithographically patterned, and the first pixel (161) is surrounded by the embankment (150), preferably the first pixel (161), the second pixel (162) and the third pixel (163) are all surrounded by the photolithographically patterned embankment (150).

[0456] In another aspect, the present invention further relates to a color conversion device (100) obtainable or obtained by the method of the present invention.

[0457] -use

[0458] In another aspect, the present invention further relates to the use of the color conversion device (100) of the present invention in an optical device (300) containing at least one functional medium (320, 420, 520) configured to modulate light or configured to emit light.

[0459] -Optical devices

[0460] In another aspect, the present invention further relates to an optical device (300) comprising at least one functional medium (320, 420, 520) configured to modulate light or configured to emit light and the composite material or color conversion device (100) of the present invention.

[0461] In some embodiments of the present invention, the optical device can be a liquid crystal display device (LCD), an organic light emitting diode (OLED), a light emitting diode device (LED), a micro-LED, a micro-electromechanical system (hereinafter referred to as "MEMS"), an electrowetting display, or an electrophoretic display.

[0462] Therefore, in a preferred embodiment, the functional medium can be an LC layer, an OLED layer, an LED layer, a microLED layer, a MEMS layer, an electrowetting layer and / or an electrophoretic layer. More preferably, it is an LC layer, a microLED layer or an OLED layer.

[0463] Preferred Implementation

[0464] 1. A composition, preferably a photocurable composition, more preferably a photocurable composition for inkjet, comprising at least, consisting essentially of, or consisting of:

[0465] i) at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more of the functional groups, more preferably the monomer is a (meth)acrylate monomer;

[0466] ii) a light-emitting structure;

[0467] iii) by the following chemical formula (I A ) represented by a first chemical compound; and

[0468] iv) by the following chemical formula (I B ) represented by the second chemical compound.

[0469]

[0470] in

[0471] o is 1, 2 or 3, preferably 1;

[0472] R LA1 is H, D, CN, a linear alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more groups R a substituted, where in each case one or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(Ra )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0473] R LA2 、R LA3 are independently H, D, CN, a linear alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more radicals R a substituted, where in each case one or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0474] R ais, identically or differently on each occurrence, H, D, a straight-chain alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms; a straight-chain alkenyl or alkynyl group having 2 to 40 carbon atoms, preferably 2 to 24 carbon atoms, more preferably 2 to 12 carbon atoms; a branched alkenyl or alkynyl group having 3 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 3 to 12 carbon atoms; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, wherein in each of the above groups one or more H atoms may be replaced by D, F, Cl, Br, I, and wherein two or more adjacent substituents R a may optionally form a monocyclic or polycyclic aliphatic ring system with one another;

[0475] A 1 yes

[0476] Y is O, N, S, preferably O or N;

[0477] L is selected from the following divalent groups: straight-chain alkylene groups having 1 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; branched or cyclic alkylene groups having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms; straight-chain alkenylene or alkynylene groups having 2 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; or branched alkenylene or alkynylene groups having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms, each of which may be substituted by one or more radicals R a substituted, wherein in each case one or more CH2 groups may be substituted by an arylene or heteroarylene group having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, Si(R a )2,Ge(R a )2, Sn(R a )2, C=O, C=S, C=Se, C=NR a , P(=O)(R a ), SO, SO2, -O-, NR a , -C(=O)O-, or -C(=O)NR a-substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, an aralkylene group, a heteroaralkylene group, an alkylarylene group or an alkylheteroarylene group, each of which may be replaced by one or more radicals R a substituted, and wherein in each case one or more H atoms may be replaced by D, F, Cl, Br, I, CN, NO2; or a group represented by the following chemical formula (II) or (II');

[0478]

[0479] in

[0480] m is an integer from 1 to 50, preferably from 1 to 25, more preferably from 2 to 20 and still preferably from 4 to 12;

[0481] l is an integer from 0 or 1 to 25, preferably from 0 or 1 to 20, more preferably from 0 or 1 to 12 and further preferably from 0 or 1 to 8;

[0482] L 1 yes Preferably

[0483] L 2 yes Preferably

[0484] Wherein the dotted line indicates the bond to the rest of the compound and the symbol "*" marks the group L 1 With L 2 The bond between , and where L 1 and L 2 Each of the a Substituted, where L 1 and L 2 One or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , or -C(=O)NR a -substitute, and where L 1 and L 2One or more H atoms in can be replaced by D, F, Cl, Br, I, CN or NO2;

[0485] X LA1 is preferably selected from -COOM 1 、-CO-A 3 -COOM 1 、-OCO-A 3 -COOM 1 、-NCO-A 3 -COOM 1 、-PO(OH)(OM 1 )、-PO(OM 1 )2. -OC(S)SM 1 、-NH2、-NHR a 、-N(R a )2, -SO3M 1 、-SM 1 、-Ar 1 -SM 1 、-OCO-A 3 -SM 1 、-COO-A 3 -SM 1 、-NCO-A 3 -SM 1 、SiOR a , or -N(CS2 M 1 )2 anchoring group;

[0486] Ar 1 is a divalent radical selected from an aromatic ring system or a heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be substituted by one or more radicals R a substituted, and wherein one or more H atoms of the aromatic or heteroaromatic ring system may be replaced by D, F, Cl, Br, I, CN, NO2;

[0487] A 3 is selected from the following divalent groups: linear alkylene groups having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; branched or cyclic alkylene groups having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more groups R a substituted, where in each case one or more CH2 groups may be replaced by Si(R a )2、Ge(R a )2、Sn(R a)2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 25 aromatic ring atoms, preferably 5 to 18 aromatic ring atoms, more preferably 5 to 12 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, and wherein one or more H atoms of the aromatic or heteroaromatic ring system may be replaced by D, F, Cl, Br, I, CN, NO2;

[0488] Preferably, A 3 Not R a substituted and / or said one or more H atoms are not replaced;

[0489] M 1 represents a hydrogen atom or selected from 1 / 2Mg 2+ 、1 / 2Cu 2+ 、1 / 2Zn 2+ 、1 / 2Pb 2+ 、1 / 2Sn 2+ 、1 / 2Cd 2+ 、1 / 3Bi 3+ or 1 / 4Sn 4+ Metal cations, preferably hydrogen atoms, 1 / 2Mg 2+ 、1 / 2Cu 2+ , or 1 / 2Zn 2+ , more preferably a hydrogen atom;

[0490] Z IB -Y IB -(I B )

[0491] in

[0492] Z IB Yes*-R x1 or Wherein "*" represents the connection point with the symbol Y of the formula;

[0493] R x1 is a group consisting of one or more members selected from the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group; and

[0494] R x2 is a group consisting of one or more members selected from the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group;

[0495] Y IB is a straight-chain alkyl group having 1 to 45 carbon atoms or a branched-chain alkyl group having 3 to 45 carbon atoms, a straight-chain alkenyl group having 1 to 45 carbon atoms or a branched-chain alkenyl group having 3 to 45 carbon atoms, a straight-chain alkoxy group having 1 to 45 carbon atoms or a branched-chain alkoxy group having 3 to 45 carbon atoms, preferably the carbon atoms of the alkyl, alkenyl and / or alkoxy group are in the range of 10 to 35, more preferably they are 14 to 30, even more preferably 16 to 28, further preferably they are 19 to 26, preferably the alkyl, alkenyl and / or alkoxy group may be substituted or unsubstituted, more preferably the alkyl, alkenyl and / or alkoxy group may be replaced by one or more radicals R a substituted, wherein one or more non-adjacent CH2 groups may be replaced by R a C=CR a 、C≡C、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , OS, or CONR a substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2, preferably Y is a linear or branched alkyl group,

[0496] R a is, identically or differently on each occurrence, H, D, or an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group or an alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a heteroaromatic ring system having 5 to 60 carbon atoms, in which an H atom may be replaced by D, F, Cl, Br, I; where two or more adjacent substituents R a They can also form a monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring system with each other, in which Y IB Containing at least one carbon-carbon double bond, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds in the chain.

[0497] 2. A composition according to embodiment 1, wherein L is selected from a linear alkylene group having 1 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; a branched or cyclic alkylene group having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms; a linear alkenylene or alkynylene group having 2 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; or a branched alkenylene or alkynylene group having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms, each of which may be substituted by one or more radicals R a substituted, wherein in each case one or more CH2 groups may be substituted by an arylene or heteroarylene group having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, Si(R a )2,Ge(R a )2, Sn(R a )2, C=O, C=S, C=Se, C=NR a , P(=O)(R a ), SO, SO2, -O-, NR a , -C(=O)O-, or -C(=O)NR a -substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; or a group represented by chemical formula (II) or (II');

[0498]

[0499] in

[0500] L 1 yes

[0501]

[0502] Preferably, L 1 yes

[0503] And L 2 yes Preferably

[0504] Where m, l and R a As defined in embodiment 1.

[0505] 3. The composition according to embodiment 1 or 2, wherein the chemical formula (I A ) represents a compound of the following chemical formula (III)

[0506]

[0507] wherein the symbols appearing are as defined in any one of claims 1 to 6, and wherein Z is a direct bond, C, N or O, preferably it is a direct bond, N or O;

[0508] X LA2 Yes-COOM 1 or -SM 1 ,

[0509] More preferably, Z is a direct bond and X LA2 Yes-COOM 1 , or Z is N or O and X LA2 Yes-SM 1 .

[0510] 4. A composition as described in any one of embodiments 1 to 3, wherein the ratio of the total amount of the chemical compound to the total weight of the light-emitting structure portion is in the range of 0.01 wt% to 10 wt%, preferably in the range of 0.1 wt% to 5 wt%, more preferably in the range of 0.5 wt% to 3 wt%; when the light-emitting structure portion is an inorganic light-emitting material, the ratio of the weight of the chemical compound to the weight of the inorganic part of the inorganic light-emitting material is in the range of 0.01 wt% to 20 wt%, preferably 0.2 wt% to 10 wt%, more preferably 1 wt% to 6 wt%.

[0511] 5. The composition of any one of embodiments 1 to 4, wherein the reactive monomer is a (meth)acrylate monomer selected from a mono-(meth)acrylate monomer, a di-(meth)acrylate monomer, or a tri-(meth)acrylate monomer, more preferably a di-methacrylate monomer or a di-acrylate monomer, a tri-methacrylate monomer, or a tri-acrylate monomer, even more preferably represented by the following chemical formula (II):

[0512]

[0513] X 3 is unsubstituted or substituted alkyl, aryl or alkoxy;

[0514] R 5 is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group.

[0515] Preferably the symbol X 3 yes

[0516] The "*" on the left side of the formula represents the terminal group C=CR of formula (I) 5 connection points;

[0517] l is 0 or 1;

[0518] R 5 is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;

[0519] R 6 is a linear alkylene chain or alkyleneoxy chain having 1 to 25 carbon atoms, preferably R 6 is a linear alkylene chain or alkyleneoxy chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,

[0520] It may be replaced by one or more groups R x substituted, wherein one or more non-adjacent CH2 groups may be replaced by R x C=CR x 、C≡C、Si(R x )2、Ge(R x )2、Sn(R x )2. C=O, O, C=S, C=Se, C=NR x 、P(=O)(R x )、SO、SO2、NR x , OS, oxygen or CONR x substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0521] R 7 is a linear alkyl chain or alkyleneoxy chain having 1 to 25 carbon atoms, preferably R 7 is a linear alkylene chain or alkyleneoxy chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,

[0522] It may be replaced by one or more groups R x substituted, wherein one or more non-adjacent CH2 groups may be replaced by R x C=CR x 、C≡C、Si(R x )2、Ge(R x )2、Sn(R x )2. C=O, O, C=S, C=Se, C=NR x 、P(=O)(R x )、SO、SO2、NR x , OS, oxygen or CONR x substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0523] R xis, identically or differently on each occurrence, H, D, or an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group or an alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a heteroaromatic ring system having 5 to 60 carbon atoms, in which an H atom may be replaced by D, F, Cl, Br, I; where two or more adjacent substituents R x They can also form monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring systems with one another.

[0524] 8. The composition according to any one of embodiments 1 to 7, further comprising a (meth)acrylate monomer represented by the following chemical formula (I) and / or a (meth)acrylate monomer represented by the following chemical formula (III);

[0525]

[0526] in

[0527] X 1 is an unsubstituted or substituted alkyl, aryl or alkoxy group or an ester group;

[0528] X 2 is an unsubstituted or substituted alkyl, aryl or alkoxy group or an ester group;

[0529] R 1 is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;

[0530] R 2 is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group;

[0531] Preferably the symbol X 1 yes

[0532] The "*" on the left side of the formula represents the terminal group C=CR of formula (I) 1 The point of attachment of the carbon atom of the formula (I) is represented by the "*" on the right side. 2 connection points;

[0533] n is 0 or 1;

[0534] Preferably the symbol X 2 yes

[0535] Wherein the "*" on the left side of the formula represents the connection point with the symbol X1 of formula (I), and the "*" on the right side represents the connection point with the terminal group C=CR of formula (I) 2 connection points;

[0536] m is 0 or 1;

[0537] Preferably, at least m or n is 1;

[0538] R 3 is a linear or branched alkylene chain or alkyleneoxy chain having 1 to 25 carbon atoms, a cycloalkane having 3 to 25 carbon atoms or an aryl group having 3 to 25 carbon atoms, preferably R 3 is a linear alkylene chain or alkyleneoxy chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,

[0539] It may be replaced by one or more groups R x substituted, wherein one or more non-adjacent CH2 groups may be replaced by R x C=CR x 、C≡C、Si(R x )2、Ge(R x )2、Sn(R x )2. C=O, O, C=S, C=Se, C=NR x 、P(=O)(R x )、SO、SO2、NR x , OS, oxygen or CONR x substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0540] R 4 is a linear or branched alkylene chain or alkyleneoxy chain having 1 to 25 carbon atoms, a cycloalkane having 3 to 25 carbon atoms or an aryl group having 3 to 25 carbon atoms, preferably R 4 is a linear alkylene chain or alkyleneoxy chain having 1 to 15 carbon atoms, more preferably 1 to 5 carbon atoms,

[0541] It may be replaced by one or more groups R x substituted, wherein one or more non-adjacent CH2 groups may be replaced by R x C=CR x 、C≡C、Si(R x )2、Ge(R x )2、Sn(R x )2. C=O, O, C=S, C=Se, C=NR x 、P(=O)(R x )、SO、SO2、NR x , OS, oxygen or CONR x substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2;

[0542] Rx is, identically or differently on each occurrence, H, D, or an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group or an alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a heteroaromatic ring system having 5 to 60 carbon atoms, in which an H atom may be replaced by D, F, Cl, Br, I; where two or more adjacent substituents R x They may also form monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring systems with one another;

[0543]

[0544] where R 9 is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a (meth)acryloyl group represented by the chemical formula (IV)

[0545]

[0546] R 10 is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a (meth)acryloyl group represented by the chemical formula (V)

[0547]

[0548] R 11 is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a (meth)acryloyl group represented by the chemical formula (VI)

[0549]

[0550] where R 8 、R 8a 、R 8b and R 8c Each occurrence is, independently or dependently, H, CH2CH3 or CH3;

[0551] where R 9 、R 10 and R 11 At least one of them is a (meth)acryloyl group, preferably R 9 、R 10 and R 11 Two of the (meth)acryloyl groups are (meth)acryloyl groups, and the other is a hydrogen atom or a linear alkyl group having 1 to 25 carbon atoms, preferably the (meth)acrylate monomer of formula (III) has an electrical conductivity (S / cm) of 1.0*10 -10 or smaller, preferably it is 5.0*10 -11 or smaller, more preferably within 5.0*10 -11 to 1.0*10 -15In the range of 5.0*10 -12 to 1.0*10 -15 within the range.

[0552] 9. A composition as described in any one of embodiments 1 to 8, wherein the (meth)acrylate monomer of chemical formula (II) is in the composition, and the mixing ratio of the (meth)acrylate monomer of chemical formula (I) to the (meth)acrylate monomer of chemical formula (II) is in the range of 1:99 to 99:1 (Formula (I): Formula (II)), preferably 5:95 to 50:50, more preferably 10:90 to 40:60, and even more preferably it is 15:85 to 35:65, preferably at least one purified (meth)acrylate monomer represented by chemical formula (I) or (II) is used in the composition, more preferably both the (meth)acrylate monomer of chemical formula (I) and the (meth)acrylate monomer of chemical formula (II) are obtained or obtainable by a purification method.

[0553] 10. A composition as described in any one of embodiments 1 to 9, wherein the boiling point (BP) of the (meth)acrylate monomer of Chemical Formula (I) and / or Chemical Formula (II) is 80°C or higher, preferably it is in the range of 80°C to 400°C, even more preferably 85°C to 375°C, and further more preferably 90°C to 350°C, for large-area uniform inkjet printing.

[0554] 11. A composition according to any one of embodiments 1 to 10, wherein the light-emitting structure part is an organic light-emitting structure part and / or an inorganic light-emitting structure part, preferably it is an inorganic light-emitting structure part, more preferably it is an inorganic light-emitting structure part selected from inorganic phosphors and quantum materials, preferably the light-emitting structure part contains a ligand attached to the outermost surface of the light-emitting structure part, more preferably the ligand is the chemical formula (I A ) of the chemical compound; and / or the chemical formula (I B ) chemical compounds.

[0555] 12. A composition as described in any one of embodiments 1 to 11, wherein the total amount of the light-emitting structure portion is in the range of 0.1 wt.% to 90 wt.%, preferably 10 wt.% to 70 wt.%, more preferably 20 wt.% to 60 wt.%, based on the total amount of the composition.

[0556] 13. The composition of any one of embodiments 1 to 12, wherein the viscosity of the composition at room temperature is 35 cP or less, preferably in the range of 1 to 35 cP, more preferably 2 to 30 cP.

[0557] 14. A composition as described in any one of embodiments 1 to 13, which comprises additional materials selected from one or more members of the group consisting of: a (meth)acrylate monomer different from the (meth)acrylate monomer of embodiment 8; scattering particles, a transparent polymer, an antioxidant, a free radical quencher, a photoinitiator and a surfactant.

[0558] 15. A composition as described in any one of embodiments 1 to 14, wherein the composition comprises 10 wt% or less of a solvent based on the total amount of the composition, more preferably it is 5 wt% or less, more preferably it is a solvent-free composition, preferably the composition does not comprise any of the following solvents selected from one or more members of the group consisting of: ethylene glycol monoalkyl ethers such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether and ethylene glycol monobutyl ether; diethylene glycol dialkyl ethers such as diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol dipropyl ether and diethylene glycol dibutyl ether; propylene glycol monoalkyl ethers such as propylene glycol monomethyl ether (PGME), propylene glycol monoethyl ether and propylene glycol monopropyl ether; ethylene glycol alkyl ether acetates such as methyl cellosolve acetate and ethyl cellosolve acetate; propylene glycol alkyl ether acetates such as propylene glycol monomethyl ether acetate (PGME); A), propylene glycol monoethyl ether acetate and propylene glycol monopropyl ether acetate; ketones such as methyl ethyl ketone, acetone, methyl amyl ketone, methyl isobutyl ketone and cyclohexanone; alcohols such as ethanol, propanol, butanol, hexanol, cyclohexanol, ethylene glycol, triethylene glycol and glycerol; esters such as ethyl 3-ethoxypropionate, methyl 3-methoxypropionate and ethyl lactate; and cyclic lactones (asters) such as gamma-butyrolactone; chlorinated hydrocarbons such as chloroform, dichloromethane, The solvent is preferably propylene glycol alkyl ether acetate, alkyl acetate, ethylene glycol monoalkyl ether, propylene glycol and propylene glycol monoalkyl ether.

[0559] 16. The composition of any one of embodiments 1 to 15, comprising at least the (meth)acrylate monomer of formula (III), the (meth)acrylate monomer of formula (II), and the polymer, wherein the polymer is configured such that the polymer can disperse scattering particles in the composition, wherein a mixing ratio of the (meth)acrylate monomer of formula (III): the (meth)acrylate monomer of formula (II): the polymer is 1:5:0.01 to 5:4:1.

[0560] 17. A method for producing a composition according to any one of embodiments 1 to 16, comprising at least the following steps Y1 or Y2;

[0561] Y1) mixing at least one light-emitting structure part, at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more functional groups, more preferably the monomer is a (meth)acrylate monomer;

[0562] According to the chemical formula (I A ) represented by the first chemical compound; and / or

[0563] According to the chemical formula (I B ) to form the composition.

[0564] Y2) mixing at least one light-emitting structure part, at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more functional groups, more preferably the monomer is a (meth)acrylate monomer;

[0565] The luminescent nanoparticles have the chemical formula (I A ) represented by the first ligand of the first chemical compound; and / or from the chemical formula (I B ) is a second ligand of a second chemical compound represented by .

[0566] Preferably, in step Y1, the chemical formula (I A ) represented by the first chemical compound; and / or

[0567] According to the chemical formula (I B ) to form the composition, which can be directly attached to the light-emitting structure as a ligand. Preferably, in step Y2, the second chemical compound represented by the chemical formula (I A ) represented by the first chemical compound; and / or

[0568] According to the chemical formula (I B ) to form the composition, which may be further added and mixed.

[0569] 18. A composition obtained or obtainable by the method according to embodiment 17.

[0570] 19. A composite material, preferably a layered composite material, derived or derivable from one or more of the compositions according to any one of embodiments 1 to 16 and 18.

[0571] 20. A composite material, preferably a layered composite material, comprising at least:

[0572] 1) Polymer

[0573] and

[0574] II) light-emitting structure,

[0575] wherein the polymer is derived or derivable from at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more of the functional groups, more preferably the monomer is a (meth)acrylate monomer and the polymer;

[0576] According to the chemical formula (I A ) represented by a first chemical compound; and

[0577] According to the chemical formula (I B ) represented by the second chemical compound.

[0578] Preferably, at least a portion of the surface of the light-emitting structure portion is connected to the polymer.

[0579] 21. The composite material according to embodiment 19 or 20, which is a layered composite material having an average layer thickness in the range of 1 to 50 μm, preferably 5 to 15 μm, more preferably 8 to 15 μm, still preferably 8-12 μm.

[0580] 22. The composite material of any one of embodiments 19 to 21, configured to show an EQE value of 25% or greater, preferably 30% or greater and less than 50%.

[0581] 23. A method for producing a composite material according to any one of embodiments 19 to 22, wherein the method comprises at least the following steps:

[0582] 1) providing a composition as described in any one of embodiments 1 to 16 or 18 onto a substrate,

[0583] II) curing the composition, preferably by light irradiation and / or heat treatment.

[0584] 24. A composite material, preferably a layered composite material, obtained or obtainable by a method according to embodiment 23.

[0585] 25. Use of the composition of any one of embodiments 1 to 16 or 18 or the composite material of any one of embodiments 19 to 22 or 24 in an electronic device, an optical device, a sensor device or a biomedical device or in the manufacture of an electronic device, a sensor device, an optical device or a biomedical device.

[0586] 26. A color conversion device (100) comprising at least a pixel and a dam (150), preferably the pixel is the first pixel (161) or the second pixel (162), which is partially or completely filled with a composite material as described in any one of embodiments 19 to 22 or 24, comprising at least a matrix material (120), the matrix material containing a light-emitting structure portion (110), and the dam comprising at least a polymer material, preferably the color conversion device (100) further containing a supporting medium (170).

[0587] 27. The device (100) of embodiment 26, wherein the height of the embankment (150) is in the range of 0.1 to 100 μm, preferably 1 to 50 μm, more preferably 1 to 25 μm, still more preferably 5 to 20 μm.

[0588] 28. The device (100) of embodiment 26 or 27, wherein the layer thickness of the pixel (161) is in the range of 0.1 to 100 μm, preferably 1 to 50 μm, more preferably 5 to 25 μm.

[0589] 29. An optical device (300) comprising at least one functional medium (320, 420, 520) configured to modulate light or configured to emit light and a composite material as described in any one of embodiments 19 to 22, 24 or a color conversion device (100) as described in any one of embodiments 26 to 28.

[0590] Technical effects of the present invention

[0591] The present invention provides one or more of the following effects:

[0592] Achieving an optimized haze value of a cured layer (film), an optimized haze value and an improved EQE value of a cured layer (film), preferably achieving an optimized haze value and an improved EQE value of a cured layer (film) without the use of scattering particles, improved thermal stability of the obtained layer (film), improved thermal stability of the light-emitting structure portion in the layer (film), improved dispersibility of the light-emitting structure portion in the composition, enabling phase separation of the light-emitting structure portion from the matrix material after curing, achieving an improved haze value of a cured film (cured composition), improved dispersibility of the light-emitting structure portion in the obtained layer, and improved long-term quantum yield (QY) stability of the light-emitting structure portion in the composition during longer-term storage with or without external light radiation The invention relates to a novel composition comprising a light-emitting structure portion having an improved long-term external quantum efficiency (EQE) stability, an improved long-term external quantum efficiency (QY) stability of the light-emitting structure portion in the obtained layer (film) during longer-term storage with or without external light irradiation, an improved long-term external quantum efficiency (EQE) stability of the light-emitting structure portion in the obtained layer (film) during longer-term storage with or without external light irradiation, an improved good compatibility of the light-emitting structure portion in the composition and / or the obtained layer (film) with the matrix material, and / or achieving easy processing of the composition containing the light-emitting structure portion and the matrix material, making the composition suitable for inkjet printing.

[0593] The following working examples provide a description of the invention, as well as detailed descriptions of their manufacture. However, the invention is not necessarily limited to the working examples.

[0594] Working Examples

[0595] LA: Lauryl acrylate

[0596] HDDA: 1,6-Hexanediol diacrylate

[0597] HDDMA: Hexanediol dimethacrylate

[0598] QD: InP-based red quantum dots with ZnSe / ZnS double shell, PWL = 627 nm, QY = 39 nm, QY = 92%

[0599] QD solution: QDs in heptane supplied as a solution

[0600] MM: Monomer mixture, lauryl acrylate (LA), 1,6-hexanediol diacrylate (HDDA) ratio 8:2

[0601] LG: ligand, erucic acid

[0602] AO: Antioxidant, Irganox 1010

[0603] PI: Photoinitiator, Irgacure 819

[0604] HM: Haze mitigating agent = Compound L1

[0605] Compound L1

[0606] Preparation Example 1: Preparation of Chemical Compound L1

[0607] Reactants:

[0608]

[0609]

[0610]

[0611] In the absence of light, under Ar, to a 1 L 3-neck round bottom flask equipped with a stir bar, a soft heating mantle and a thermocouple, a cooler (5° C.) circulating: poly (propylene glycol) acrylate (10.20 g), BHT (46 mg), succinic anhydride (2.56 g) and DMAP (0.13 g) were stirred together in anhydrous toluene (520 mL). The reaction was heated to reflux (111° C.) under argon overnight.

[0612] On the next day, the mixture was cooled to room temperature and extracted with distilled water and then brine. The organic phase was dried over MgSO4, filtered through filter paper, and the volatiles were removed on a rotary evaporator under reduced pressure.

[0613] The residue was purified by chromatography on silica gel (200-425 mesh) using CHCl 3 and then CHCl 3 / CH 3 OH (97 / 3). Fractions were collected and volatiles removed. Each fraction was analyzed by 1 H NMR and DOSY. Compound L1 was then obtained.

[0614] Appearance: transparent colorless liquid

[0615] Sample storage: Keep at 4°C at ambient temperature.

[0616] Preparation Example 2: Preparation of derivatives of chemical compound L1

[0617] Derivatives of L1 having 3-5 repeating units instead of 7 repeating units of L1 (shorter analogs having 3-5 repeating units compared to L1) were successfully synthesized in the same manner as described in Preparation Example 1.

[0618] Other derivatives of L1 can also be synthesized by changing the reactants and the amounts of the reactants using the general knowledge based on the synthesis method described in the above-mentioned Preparation Example 1. For example, alcohols containing (meth)acrylate groups, branched or linear alkylene oxides, branched or linear saturated alkylenes, branched or linear unsaturated alkylenes can be used, and any derivatives of succinic anhydride can be used.

[0619] Reference Example 1: Preparation of matrix

[0620] 0.04 g of phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide (Irganox (TM) 819) was added with 2.368 g of LA and 0.592 g of HDDA. The mixture was shaken until Irganox (TM) 819 completely dissolved.

[0621] Reference Example 2: Preparation of matrix

[0622] 0.04g of Irganox (TM) 1.580 g of LA and 0.380 g of HDDMA were added to 819. The mixture was shaken until Irganox (TM) 819 completely dissolved.

[0623] Reference Example 3: Preparation of red QD ink in the case of compound L1

[0624] 0.06 g of compound L1 was dissolved in 1 mL of toluene and then mixed with 0.25 g of InP-based red QDs with ZnSe / ZnS double shells dispersed in heptane and heated to 40 degrees Celsius for 1 hour. 0.63 g of the matrix obtained in Example 1 was then added and the volatiles were evaporated under vacuum on a rotary evaporator. The remaining volatiles were removed on a Schlenk line at a vacuum of 60 mTorr. 0.06 g of TiO2 dispersed in octane was then added. The volatiles were removed on a Schlenk line at a vacuum of 60 mTorr. Finally, QD ink composition 2 was obtained.

[0625] Reference Example 4: Ligand exchange of red QD ink with compound L1 (compound L1 / QD 无机 Weight ratio = 0.53)

[0626] 1.17 g of InP-based red QDs with a ZnSe / ZnS double shell dispersed in 5.1 mL of heptane were placed in a glass flask, 5 mL of anhydrous toluene was added, 0.503 g of compound L1 was added, the mixture was flashed with Ar and heated to 40 degrees Celsius under Ar for 1 hour. After the solution was allowed to cool, the red QDs were precipitated by adding 96 ml of dry heptane. The turbid solution was then centrifuged at 2950 G for 5 min, and the supernatant was decanted. 10 mL of dry toluene was then added to prepare a stock solution in toluene.

[0627] Ink Formulation 1 (QD ink with LG):

[0628] LG was added to a 250 ml flask. The QD solution was added and the mixture was allowed to homogenize at 40 ° C under a constant nitrogen flow for 2 hours. Subsequently, MM, AO and PI were added and stirred for 10 min to allow all compounds to dissolve. Finally, heptane / isopropanol was removed using a rotary evaporator (50 ° C, for 1.5 hours after the pressure reached <10 mbar).

[0629] Ink Formulation 2 (QD ink with HM):

[0630] HM was added to a 250 ml flask and dissolved in isopropanol (1:1 ratio with QD solution). QD solution was added and the mixture was allowed to homogenize at 40 ° C under a constant nitrogen flow for 2 hours. Subsequently, MM, AO and PI were added and stirred for 10 min to allow all compounds to dissolve. Finally, heptane was removed using a rotary evaporator (50 ° C, for 1.5 hours after the pressure reached <10 mbar).

[0631] Comparative Example 1:

[0632] QD Ink 1 (comparative) was prepared by using Ink Formulation 1 indicated above, such that the ink consisted of 40 wt% red QDs, 4.8 wt% LG, 1 wt% PI, 0.5 wt% AO, and MM.

[0633] Working Examples 1 to 3:

[0634] QD inks 2 to 4 (WE1 to WE3) containing 40 wt% red QDs, 1 wt% PI, 1 wt% AO and MM, and LG and HM as indicated in Table 1 below were prepared by using both ink formulations 1 and 2 indicated above.

[0635] Working Example 4: Fabrication of 10 μm-Thick Films Using QD Ink

[0636] Using QD ink 1 (comparative) obtained in Comparative Example 1, a film A having a thickness of 10 μm was prepared by filling a glass sandwich test cell (composed of two 0.7 mm AF glass substrates separated by a 10 μm polymer spacer and joined by an adhesive frame) with QD ink composition 1. Film A was then prepared by heating at 395 nm, 300 W / cm 2 The irradiation light lasts for 10 seconds to solidify the QD ink composition inside the glass chamber.

[0637] Films B, C, D were produced in the same manner as described above, using QD inks 2 (WE1) to 4 (WE3) instead of QD ink 1 (comparative).

[0638] Working Example 5: EQE Measurement

[0639] The EQE measurements of films A to F were calculated using an excitation light (CWL: 450 nm) equipped with an optical fiber and an integrating sphere of a spectrometer. To detect photons of the excitation light, air was used as a reference at room temperature.

[0640] The number of photons emitted from the test cell to the integrating sphere is counted by a spectrometer at room temperature.

[0641] EQE is calculated by the following calculation method.

[0642] EQE = photons [emitted light] / photons [excitation light measured without the sample in place]

[0643] Wavelength range used for calculations

[0644] Excitation: 430nm-470nm

[0645] Emission: [Red QD] 580-780nm

[0646] Table 1 below shows the results of the measurements.

[0647] Table 1: Optical properties of 10 μm-thick films. EQE integrated over the range 490-780 nm.

[0648]

Claims

1. A composition comprising at least: i) at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more of the functional groups, more preferably the monomer is a (meth)acrylate monomer; ii) a light-emitting structure; iii) by the following chemical formula (I A ) represented by a first chemical compound; and iv) by the following chemical formula (I B ) a second chemical compound represented by; in o is 1, 2 or 3, preferably 1; R LA1 is H, D, CN, a linear alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more groups R a substituted, wherein in each case one or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; R LA2 、R LA3 are independently H, D, CN, a linear alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more radicals R a substituted, wherein in each case one or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; R a is, identically or differently on each occurrence, H, D, a straight-chain alkyl or alkoxy group having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; a branched or cyclic alkyl or alkoxy group having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms; a straight-chain alkenyl or alkynyl group having 2 to 40 carbon atoms, preferably 2 to 24 carbon atoms, more preferably 2 to 12 carbon atoms; a branched alkenyl or alkynyl group having 3 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 3 to 12 carbon atoms; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, wherein in each of the above groups one or more H atoms may be replaced by D, F, Cl, Br, I, and wherein two or more adjacent substituents R a may optionally form a monocyclic aliphatic ring system or a polycyclic aliphatic ring system with one another; A 1 yes Y is O, N, S, preferably O or N; L is selected from the following divalent groups: straight-chain alkylene groups having 1 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; branched or cyclic alkylene groups having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms; straight-chain alkenylene or alkynylene groups having 2 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; or branched alkenylene or alkynylene groups having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms, each of which may be substituted by one or more radicals R a substituted, wherein in each case one or more CH2 groups may be substituted by an arylene or heteroarylene group having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, Si(R a )2,Ge(R a )2, Sn(R a )2, C=O, C=S, C=Se, C=NR a , P(=O)(R a ), SO, SO2, -O-, NR a , -C(=O)O-, or -C(=O)NR a -substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, an aralkylene group, a heteroaralkylene group, an alkylarylene group or an alkylheteroarylene group, each of which may be replaced by one or more radicals R a substituted, and wherein in each case one or more H atoms may be replaced by D, F, Cl, Br, I, CN, NO2; or a group represented by the following chemical formula (II) or (II'); in m is an integer from 1 to 50, preferably from 1 to 25, more preferably from 2 to 20 and still preferably from 4 to 12; l is an integer from 0 or 1 to 25, preferably from 0 or 1 to 20, more preferably from 0 or 1 to 12 and further preferably from 0 or 1 to 8; L 1 yes Preferably L 2 yes Preferably Wherein the dotted line indicates the bond to the rest of the compound and the symbol "*" marks the group L 1 With L 2 The bond between , and where L 1 and L 2 Each of the a Substituted, where L 1 and L 2 One or more CH2 groups may be replaced by -R a C=CR a -、-C≡C-、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a ), SO, SO2, NR a , or -C(=O)NR a -substitute, and where L 1 and L 2 One or more H atoms in can be replaced by D, F, Cl, Br, I, CN or NO2; X LA1 is preferably selected from -COOM 1 、-CO-A 3 -COOM 1 、-OCO-A 3 -COOM 1 、-NCO-A 3 -COOM 1 、-PO(OH)(OM 1 )、-PO(OM 1 )2. -OC(S)SM 1 、-NH2、-NHR a 、-N(R a )2, -SO3M 1 、-SM 1 、-Ar 1 -SM 1 、-OCO-A 3 -SM 1 、-COO-A 3 -SM 1 、-NCO-A 3 -SM 1 、SiOR a or -N(CS2 M 1 )2 anchoring group; Ar 1 is a divalent radical selected from an aromatic ring system or a heteroaromatic ring system having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, each of which may be substituted by one or more radicals R a substituted, and wherein one or more H atoms of the aromatic or heteroaromatic ring system may be replaced by D, F, Cl, Br, I, CN, NO2; A 3 is selected from the following divalent groups: linear alkylene groups having 1 to 40 carbon atoms, preferably 1 to 25 carbon atoms, more preferably 1 to 15 carbon atoms; branched or cyclic alkylene groups having 3 to 40 carbon atoms, preferably 3 to 25 carbon atoms, more preferably 3 to 15 carbon atoms, each of which may be replaced by one or more groups R a substituted, where in each case one or more CH2 groups may be replaced by Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、-O-、NR a , -C(=O)O-, or -C(=O)NR a -substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; an aromatic or heteroaromatic ring system having 5 to 25 aromatic ring atoms, preferably 5 to 18 aromatic ring atoms, more preferably 5 to 12 aromatic ring atoms, each of which may be replaced by one or more radicals R a substituted, and wherein one or more H atoms of the aromatic or heteroaromatic ring system may be replaced by D, F, Cl, Br, I, CN, NO2; M 1 represents a hydrogen atom or selected from 1 / 2Mg 2+ 、1 / 2Cu 2+ 、1 / 2Zn 2+ 、1 / 2Pb 2+ 、1 / 2Sn 2+ 、1 / 2Cd 2+ 、1 / 3Bi 3+ or 1 / 4Sn 4+ Metal cations, preferably hydrogen atoms, 1 / 2Mg 2+ 、1 / 2Cu 2+ , or 1 / 2Zn 2+ , more preferably a hydrogen atom; Z IB -Y IB -(I B ) in Z IB Yes*-R x1 or Wherein "*" represents the connection point with the symbol Y of the formula; R x1 is a group consisting of one or more members selected from the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group; and R x2 is a group consisting of one or more members selected from the group consisting of a phosphine group, a phosphine oxide group, a phosphate group, a phosphonate group, a thiol group, a tertiary amine, a carboxyl group, a heterocyclic group, a silane group, a sulfonic acid, a hydroxyl group, and a phosphonic acid, preferably the group is a phosphonate group, a thiol group, a carboxyl group, or a combination of any of these, more preferably it is a carboxyl group; Y IB is a straight-chain alkyl group having 1 to 45 carbon atoms or a branched-chain alkyl group having 3 to 45 carbon atoms, a straight-chain alkenyl group having 1 to 45 carbon atoms or a branched-chain alkenyl group having 3 to 45 carbon atoms, a straight-chain alkoxy group having 1 to 45 carbon atoms or a branched-chain alkoxy group having 3 to 45 carbon atoms, preferably the carbon atoms of the alkyl, alkenyl and / or alkoxy group are in the range of 10 to 35, more preferably they are 14 to 30, even more preferably 16 to 28, further preferably they are 19 to 26, preferably the alkyl, alkenyl and / or alkoxy group may be substituted or unsubstituted, more preferably the alkyl, alkenyl and / or alkoxy group may be replaced by one or more radicals R a substituted, wherein one or more non-adjacent CH2 groups may be replaced by R a C=CR a 、C≡C、Si(R a )2、Ge(R a )2、Sn(R a )2. C=O, C=S, C=Se, C=NR a 、P(=O)(R a )、SO、SO2、NR a , OS, or CONR a substituted, and wherein one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2, preferably Y is a linear or branched alkyl group, R a is, identically or differently on each occurrence, H, D, or an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group or an alkoxy group having 3 to 40 carbon atoms, an aromatic ring system having 5 to 60 carbon ring atoms, or a heteroaromatic ring system having 5 to 60 carbon atoms, in which an H atom may be replaced by D, F, Cl, Br, I; where two or more adjacent substituents R a can also form with one another monocyclic or polycyclic, aliphatic, aromatic or heteroaromatic ring systems, where Y IB Containing at least one carbon-carbon double bond, preferably the chain contains 1 to 5 carbon-carbon double bonds, more preferably 1 to 3 carbon-carbon double bonds, even more preferably 1 to 2 carbon-carbon double bonds in the chain.

2. The composition according to claim 1, wherein L is selected from a linear alkylene group having 1 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; a branched or cyclic alkylene group having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms; a linear alkenylene or alkynylene group having 2 to 40 carbon atoms, preferably 3 to 24 carbon atoms, more preferably 4 to 12 carbon atoms; or a branched alkenylene or alkynylene group having 3 to 40 carbon atoms, preferably 4 to 24 carbon atoms, more preferably 5 to 12 carbon atoms, each of which may be substituted by one or more radicals R a substituted, wherein in each case one or more CH2 groups may be substituted by an arylene or heteroarylene group having 5 to 40 aromatic ring atoms, preferably 5 to 25 aromatic ring atoms, more preferably 5 to 18 aromatic ring atoms, Si(R a )2,Ge(R a )2, Sn(R a )2, C=O, C=S, C=Se, C=NR a , P(=O)(R a ), SO, SO2, -O-, NR a , -C(=O)O-, or -C(=O)NR a -substituted, and one or more H atoms may be replaced by D, F, Cl, Br, I, CN or NO2; or a group represented by chemical formula (II) or (II'); in L 1 yes Preferably, L 1 yes And L 2 yes Preferably Where m, l and R a As defined in claim 1.

3. The composition according to claim 1 or 2, wherein The chemical formula (I A ) is a compound of the following chemical formula (III); wherein the symbols appearing are as defined in any one of claims 1 to 6, and wherein Z is a direct bond, C, N or O, preferably it is a direct bond, N or O; X LA2 Yes-COOM 1 or -SM 1 , More preferably, Z is a direct bond and X LA2 Yes-COOM 1 or Z is N or O and X LA2 Yes-SM 1 .

4. The composition according to any one of claims 1 to 3, wherein The ratio of the total amount of the chemical compound to the total weight of the light-emitting structure portion is in the range of 0.01wt% to 10wt%, preferably in the range of 0.1wt% to 5wt%, more preferably in the range of 0.5wt% to 3wt%; in the case where the light-emitting structure portion is an inorganic light-emitting material, the ratio of the weight of the chemical compound to the weight of the inorganic part of the inorganic light-emitting material is in the range of 0.01wt% to 20wt%, preferably 0.2wt% to 10wt%, more preferably 1wt% to 6wt%.

5. The composition according to any one of claims 1 to 4, wherein The reactive monomer is a (meth)acrylate monomer selected from a mono-(meth)acrylate monomer, a di-(meth)acrylate monomer, or a tri-(meth)acrylate monomer, more preferably a di-methacrylate monomer or a di-acrylate monomer, a tri-methacrylate monomer, or a tri-acrylate monomer, even more preferably represented by the following chemical formula (II): X 3 is unsubstituted or substituted alkyl, aryl or alkoxy; R 5 is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group.

6. The composition according to any one of claims 1 to 5, further comprising a (meth)acrylate monomer represented by the following chemical formula (I) and / or a (meth)acrylate monomer represented by the following chemical formula (III); in X 1 is an unsubstituted or substituted alkyl, aryl or alkoxy group or an ester group; X 2 is an unsubstituted or substituted alkyl, aryl or alkoxy group or an ester group; R 1 is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group; R 2 is a hydrogen atom, a halogen atom of Cl, Br, or F, a methyl group, an alkyl group, an aryl group, an alkoxy group, an ester group, or a carboxylic acid group; where R 9 is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a (meth)acryloyl group represented by the chemical formula (IV) R 10 is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a (meth)acryloyl group represented by the chemical formula (V) R 11 is a hydrogen atom, a linear alkyl group having 1 to 25 carbon atoms, or a (meth)acryloyl group represented by the chemical formula (VI) where R 8 、R 8a 、R 8b and R 8c Each occurrence is, independently or dependently, H, CH2CH3 or CH3; where R 9 、R 10 and R 11 At least one of them is a (meth)acryloyl group.

7. The composition according to any one of claims 1 to 6, wherein The total amount of the light emitting structure part is in the range of 0.1 wt. % to 90 wt. % based on the total amount of the composition.

8. The composition of any one of claims 1 to 7, comprising additional materials selected from one or more members of the group consisting of: A (meth)acrylate monomer different from the (meth)acrylate monomer according to claim 8; scattering particles, a transparent polymer, an antioxidant, a free radical quencher, a photoinitiator and a surfactant.

9. The composition according to any one of claims 1 to 8, wherein The composition includes 10 wt % or less of a solvent based on the total amount of the composition.

10. A process for preparing a composition as claimed in any one of claims 1 to 9, It at least includes the following steps Y1 or Y2; Y1) mixing at least one light-emitting structure part, at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more functional groups, more preferably the monomer is a (meth)acrylate monomer; According to the chemical formula (I A ) represented by the first chemical compound; and / or According to the chemical formula (I B ) to form the composition; Y2) mixing at least one light-emitting structure part, at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more functional groups, more preferably the monomer is a (meth)acrylate monomer; The luminescent nanoparticles have the chemical formula (I A ) represented by the first ligand of the first chemical compound; and / or from the first ligand of the first chemical compound represented by the chemical formula (I B ) is a second ligand of a second chemical compound represented by .

11. Composite material, preferably a layered composite material, derived or derivable from one or more of the compositions according to any one of claims 1 to 9.

12. A composite material, preferably a layered composite material, comprising at least: 1) Polymer and II) light-emitting structure, wherein the polymer is derived or derivable from at least one reactive monomer or a mixture of two or more reactive monomers, preferably the monomer has one or more of the functional groups, more preferably the monomer is a (meth)acrylate monomer and the polymer; According to the chemical formula (I A ) represented by a first chemical compound; and According to the chemical formula (I B ) a second chemical compound represented by; Preferably, at least a portion of the surface of the light-emitting structure portion is connected to the polymer.

13. A method for producing a composite material according to claim 11 or 12, wherein: The method comprises at least the following steps: 1) providing the composition according to any one of claims 1 to 9 onto a substrate, II) curing the composition, preferably by light irradiation and / or heat treatment.

14. A color conversion device (100) comprising at least pixels and embankments (150), wherein the pixels are partially or completely filled with a composite material according to claim 11 or 12 comprising at least a matrix material (120), the matrix material containing a light-emitting structure portion (110), and the embankments comprising at least a polymer material.

15. An optical device (300) comprising at least one functional medium (320, 420, 520) configured to modulate light or configured to emit light; and the composite material according to claim 11 or 12 or the color conversion device (100) according to claim 14.

Images