JP2016098375A - Self-luminous photosensitive resin composition, color filter manufactured therefrom, and image display device including the color filter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a self-luminous photosensitive resin composition and an image display device including a color filter manufactured from the resin composition, and more particularly, to provide a self-luminous photosensitive resin composition comprising quantum dots, scattering particles, a photopolymerizable compound, a photopolymerization initiator, an alkali-soluble resin, and a solvent, and an image display device including a color filter manufactured from the resin composition.SOLUTION: The color filter comprising the above composition eliminates decrease in efficiency of light of a conventional color filter; and when the color filter is introduced into an image display device, the color filter maintains excellent color reproduction characteristics and high efficiency of light, and thereby ensures various color expressions and achieves high-quality sharp images.SELECTED DRAWING: Figure 1

Description

The present invention relates to a self-luminous photosensitive resin composition capable of realizing high quality image quality by ensuring excellent color reproduction characteristics and high light efficiency, and a color filter and an image display device manufactured therefrom.

The display industry has rapidly changed from a CRT (cathode-ray tube) to a flat panel display that is replaced by a plasma display panel (PDP), an organic light-emitting diode (OLED), an LCD (liquid-crystal display), and the like. ing. Among them, LCDs are thin and light and have advantages such as excellent resolution and low power consumption, and are widely used in image display devices used in almost all industries. Large market expansion is expected in the future. The

The LCD adjusts the transmittance while white light generated from a light source passes through a liquid crystal cell, and realizes a full color by mixing three primary colors that are transmitted through red, green, and blue color filters.

A color filter is a thin film optical component that extracts three colors of red, green, and blue from white light to enable a fine pixel unit. The size of one pixel is several tens to several hundreds of micrometers. Degree. Such a color filter includes a black matrix layer formed in a pattern defined on a transparent substrate to shield a boundary portion between each pixel, and a plurality of colors (usually, A pixel portion in which three primary colors of red (R), green (G), and blue (B)) are arranged in a predetermined procedure is sequentially stacked.

Therefore, the color filter is a core part for expressing colors in the LCD, and has been adopted for a wide range of applications such as notebook personal computers, monitors, and portable terminals with the spread of flat panel displays. High color purity, high transmission, and low reflection type color filter manufacturing technologies are being actively researched in order to achieve more vivid image quality and superior quality over other displays.

Generally, a color filter is manufactured by coating three or more colors on a transparent substrate by a pigment dispersion method, an electrodeposition method, a printing method, a dyeing method, a transfer method, an ink jet method, or the like. Recently, a pigment dispersion method using a pigment-dispersed photosensitive resin excellent in quality, degree, and performance has become mainstream.

The pigment dispersion method, which is one of the methods for realizing a color filter, includes an alkali-soluble resin, a photopolymerization monomer, a photopolymerization initiator, an epoxy resin including a colorant on a transparent substrate provided with a black matrix. A colored thin film is formed by coating a photosensitive resin composition containing a solvent and other additives, exposing a pattern in a form to be formed, and then removing a non-exposed portion with a solvent and thermally curing it. And is actively applied to the production of LCDs for mobile phones, notebook computers, monitors, televisions, and the like.

Since the pigment is not dissolved in the solvent and exists in a fine particle state, it has reached a limit point for displaying the clearer and more diverse hues recently required. On the other hand, dyes have better color characteristics than pigments, and research has been conducted to replace pigments with dyes. However, since dyes are inferior in durability to light and solvents, problems remain such as improving this and ensuring sufficient solubility in solvents used in the production of color filters, although dyes are soluble in solvents. ing.

In addition, when a dye or pigment is used as a colorant, it causes a problem of reducing the transmission efficiency of the light source. The decrease in the transmission efficiency results in lowering the color reproducibility of the image display device, and eventually makes it difficult to realize a high quality screen.

Therefore, in addition to excellent pattern characteristics, quantum dots that self-emit instead of dyes and pigments according to the demands for more diverse performances such as high brightness and high contrast, as well as more diverse hue expression and high color reproduction rate The use of was proposed.

Quantum dots are self-luminous by a light source and are used to generate visible and infrared light. Quantum dots are small crystals of II-VI, III-V, IV-VI materials that typically have a diameter of 1-20 nm, which is smaller than the bulk exciton Bohr radius. Due to the quantum confinement effect, the energy difference between the electronic states of the quantum dots is a function of both the quantum dot composition and physical size. Thus, the optical and optoelectronic properties of the quantum dot can be tuned and adjusted by changing the physical size of the quantum dot. The quantum dot absorbs a wavelength shorter than the absorption start (onset) wavelength and emits light at the absorption start wavelength. The bandwidth of the emission spectrum of a quantum dot is related to temperature dependent Doppler broadening, Heisenberg uncertainty principle, and quantum dot size distribution. For a given quantum dot, the emission band of the quantum dot can be controlled by changing the size. Thus, quantum dots can generate an unreachable color range using conventional dyes and pigments.

However, quantum dots are essentially non-scattering particles due to their nanometer size. Therefore, when light passes through a color filter containing quantum dots, it has a much shorter optical path than other dyes and pigments. Since the thickness of the color filter is not sufficient, most of the light is absorbed by the quantum dots. Therefore, methods such as adjusting the thickness of the color filter, increasing the concentration of the quantum dots, and introducing scattering particles have been proposed. Problems occur on the side.

Therefore, in a method of introducing scattering particles into a color filter, Patent Document 1 discloses a liquid crystal display device having a light diffusion layer including scattering particles made of an organic material, separately from a color conversion mediating layer including quantum dots. It mentions. In this case, since the additional layer is realized, the process becomes troublesome and the thickness increases.

Patent Document 2 presents an illumination device that includes scattering particles made of an inorganic material in a layer including quantum dots. The scattering particles used at this time have a size of several to several hundreds of micrometers (μm) and the particle size is too large, which causes a problem that the quality of the coating film is deteriorated. In particular, when the size of the scattering particles is several hundreds of micrometers (μm), the thickness of the coating film must be at least a thickness capable of uniformly dispersing the coating film, thereby increasing the overall thickness of the color filter. .

These patents use quantum dots and scattering particles to improve the light efficiency of the color filter, but they have a multilayer structure and the average particle size of the scattering particles used is at the micrometer (μm) level. The effect is not enough.

Korean Published Patent No. 2010-0037283 Korean Published Patent No. 2014-0109327

Therefore, as a result of diversified research to ensure the formation of fine patterns and to ensure high color reproducibility and light efficiency, the present applicant, together with quantum dots, has a specific content of scattering particles of several hundred nanometer level. When used in the above, it was confirmed that the above problems could be solved without affecting the luminance, and the present invention was completed.

Accordingly, an object of the present invention is to provide a self-luminous photosensitive resin composition capable of ensuring excellent color reproduction characteristics and high light efficiency.

Another object of the present invention is to provide an image display device capable of realizing high-quality vivid image quality by having a color filter containing the self-luminous resin composition.

In order to achieve the above object, the present invention provides a self-luminous photosensitive resin composition,
Including quantum dots, scattering particles, photopolymerizable compounds, photopolymerization initiators, alkali-soluble resins, and solvents,
The scattering particles are metal oxides having an average particle size of 30 to 1000 nm.

At this time, the metal oxide is Li, Be, B, Na, Mg, Al, Si, K, Ca, Sc, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, Ge, Rb, Sr. Y, Mo, Cs, Ba, La, Hf, W, Tl, Pb, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Ti, Sb, Sn , Zr, Nb, Ce, Ta, In, and an oxide containing one kind of metal selected from the group consisting of combinations thereof.

In addition, the present invention is characterized by a color filter manufactured using the self-luminous photosensitive resin composition and an image display device including the color filter.

The self-light-emitting photosensitive resin composition according to the present invention can solve the problem of a decrease in light efficiency in a color filter.

The color filter using the self-light-emitting photosensitive resin composition is excellent in forming a fine pattern, and the image display device in which the color filter is introduced maintains high brightness, excellent color reproduction characteristics and high light efficiency. By ensuring, vivid image quality can be realized.

It is a schematic diagram which shows the role of the color filter in an image display apparatus.

The present invention provides a self-luminous photosensitive resin composition that can be used in a color filter of an image display device.

In particular, in the present invention, a self-luminous photosensitive resin composition containing quantum dots and scattering particles as essential components for the composition of the color filter is presented, and the quantum dots emit color light spontaneously, so that color reproduction is achieved. The overall light efficiency in the color filter can be increased by increasing the path of light emitted spontaneously through scattering particles having excellent characteristics and an average particle size of several hundred nanometers. Moreover, the advantage that a fine pattern can be easily formed is ensured by manufacturing a pixel pixel of a color filter with the self-luminous photosensitive resin composition.

Along with the quantum dots and scattering particles, the self-luminous photosensitive resin composition according to the present invention includes a photopolymerizable compound, a photopolymerization initiator, an alkali-soluble resin, and a solvent.

Hereinafter, each composition will be described.

Quantum dots are nano-sized semiconductor materials. An atom is a molecule, and a molecule forms an assembly of small molecules called clusters to form a nanoparticle. When such a nanoparticle exhibits semiconductor characteristics, this is called a quantum dot. When the quantum dot is floated by receiving energy from the outside, the quantum dot releases energy corresponding to the energy band gap corresponding to itself.

The quantum dot according to the present invention is not particularly limited as long as it is a quantum dot that can emit light when stimulated by light. For example, a II-VI group semiconductor compound; a III-V group semiconductor compound; an IV-VI group semiconductor compound; Or a compound comprising the same; and a combination thereof. These can be used individually or in mixture of 2 or more types.

The II-VI group semiconductor compound is a two-element compound selected from the group consisting of CdS, CdSe, CdTe, ZnS, ZnSe, ZnTe, ZnO, HgS, HgSe, HgTe, and mixtures thereof; CdSeS, CdSeTe, CdSTe, ZnSe, selected from the group consisting of ZnSe, C, and a mixture of these elements, e, and a mixture of these elements, e. Selected from the group consisting of CdZnSTe, CdHgSeS, CdHgSeTe, CdHgSTTe, HgZnSeS, HgZnSeTe, HgZnSTe, and mixtures thereof. The group III-V semiconductor compound may be selected from the group consisting of GaN, GaP, GaAs, GaSb, AlN, AlP, AlAs, AlSb, InN, InP, InAs, InSb, and these A binary element selected from the group consisting of: a mixture of GNP, GNAs, GNSb, GaPAs, GaPSb, AlNP, AlNAs, AlNSb, AlPAs, AlPSb, InNP, InNAs, InNSb, InPAs, InPSb, GaAlNP, and mixtures thereof A ternary compound selected from the group consisting of; and GaAlNAs, GaAlNSb, GaAlPAs, GaAlPSb, GaInNP, GaInNAs, GaInNSb, GaInPAs, GaInPSb, InAlNP, InAl The IV-VI group semiconductor compound may be selected from the group consisting of four elemental compounds selected from the group consisting of As, InAlNSb, InAlPAs, InAlPSb, and mixtures thereof, and the IV-VI group semiconductor compound may be SnS, SnSe, SnTe, PbS, PbSe. A three-element compound selected from the group consisting of SnSeS, SnSeTe, SnSTe, PbSeS, PbSeTe, PbSTe, SnPbS, SnPbSe, SnPbTe, and mixtures thereof And a group consisting of quaternary compounds selected from the group consisting of SnPbSSe, SnPbSeTe, SnPbSTe, and mixtures thereof, wherein the group IV element or the compound containing it is Si, Ge, and It may be selected from an elemental compound selected from the group consisting of these mixtures; and a group consisting of two elemental compounds selected from the group consisting of SiC, SiGe, and mixtures thereof.

The quantum dots may have a homogenous single structure; a double structure such as a core-shell, a gradient structure, or the like; or a mixed structure thereof.

In the core-shell dual structure, the core and shell materials may be composed of the above-mentioned different semiconductor compounds. For example, the core may include, but is not limited to, one or more materials selected from the group consisting of CdSe, CdS, ZnS, ZnSe, CdTe, CdSeTe, CdZnS, PbSe, AgInZnS, and ZnO. It is not a thing. The shell may include one or more materials selected from the group consisting of CdSe, ZnSe, ZnS, ZnTe, CdTe, PbS, TiO, SrSe, and HgSe, but is not limited thereto.

Just as the colored photosensitive resin composition used in the production of ordinary color filters contains red, green, and blue colorants to achieve hue, the quantum dots of the present invention also have red quantum dots, green colors. The quantum dots according to the present invention may be one selected from the aforementioned red, green, blue, and combinations thereof.

The quantum dots can be synthesized by a wet chemical process, a metal organic chemical vapor deposition process, or a molecular beam epitaxy process.

The wet chemical process is a method of growing particles by putting a precursor substance in an organic solvent. When the crystal grows, the organic solvent is naturally coordinated on the surface of the quantum dot crystal and acts as a dispersant to control the growth of the crystal, so that the metal organic chemical vapor deposition (MOCVD) or the metal organic chemical vapor deposition (MOCVD) Nanoparticle growth can be controlled by a simpler and cheaper process than vapor phase deposition methods such as molecular beam epitaxy (MBE).

Content of the quantum dot which concerns on this invention is not specifically limited, For example, 3-80 weight% may be contained in 100 weight% of self-light-emitting photosensitive resin compositions, Preferably it may be contained 5-70 weight%. At this time, if the content is less than 3% by weight, the luminous efficiency is slight, and if it exceeds 80% by weight, there is a problem that it is difficult to form a pixel pattern because the content of other compositions is relatively insufficient. is there.

Along with the quantum dots, the scattering particles that characterize the present invention are used to increase the light efficiency of the color filter. Light emitted from the light source is incident on the color filter with a critical angle. At this time, incident light and spontaneously emitted light emitted spontaneously by quantum dots are emitted by increasing the light path while meeting scattered particles. As a result, the light efficiency of the color filter is increased.

The scattering particles can be any ordinary inorganic material, and preferably a metal oxide.

The metal oxide is Li, Be, B, Na, Mg, Al, Si, K, Ca, Sc, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, Ge, Rb, Sr, Y, Mo, Cs, Ba, La, Hf, W, Tl, Pb, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Ti, Sb, Sn, Zr, Oxides containing one metal selected from the group consisting of Nb, Ce, Ta, In, and combinations thereof are possible.

_{Specifically, Al 2 O 3, SiO 2} , ZnO, ZrO 2, BaTiO 3, TiO 2, Ta 2 O 5, Ti 3 O 5, ITO, IZO, ATO, ZnO-Al, Nb 2 O 3, SnO One selected from the group consisting of MgO, and combinations thereof is possible. If necessary, a material surface-treated with a compound having an unsaturated bond such as acrylate can also be used.

The scattering particles limit the average particle size and the content in the entire composition so that the emission intensity of the color filter can be sufficiently improved.

Preferably, the scattering particles may have an average particle diameter of 10 to 1000 nm, and those having a range of 100 to 500 nm are preferably used. At this time, if the particle size is too small, a sufficient scattering effect of the light emitted from the quantum dots cannot be expected. Conversely, if the particle size is too large, the particle will sink into the composition or have a uniform quality. Since the surface of the self-luminous layer cannot be obtained, it is appropriately adjusted within the above range.

Moreover, 0.1 to 50 weight% should just be used in 100 weight% of self-light-emitting photosensitive resin compositions, Preferably you may use 0.5 to 30 weight%. If the content of the scattering particles is less than the above range, the light emission intensity to be obtained cannot be ensured. Conversely, if the content exceeds the above range, the effect of increasing the light emission intensity beyond that is slight. In addition, there is a problem that the stability of the composition is lowered, so that the composition is appropriately used within the above range.

Along with such quantum dots and scattering particles, the self-luminous photosensitive resin composition according to the present invention contains a photopolymerizable compound.

The photopolymerizable compound contained in the self-luminous photosensitive resin composition of the present invention is a compound that can be polymerized by the action of light and a photopolymerization initiator described later, and is a monofunctional monomer or a bifunctional monomer. And other polyfunctional monomers.

Specific examples of the monofunctional monomer include nonylphenyl carbitol acrylate, 2-hydroxy-3-phenoxypropyl acrylate, 2-ethylhexyl carbitol acrylate, 2-hydroxyethyl acrylate, N-vinyl pyrrolidone and the like. Specific examples of the bifunctional monomer include 1,6-hexanediol di (meth) acrylate, ethylene glycol di (meth) acrylate, neopentyl glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, and bisphenol. Examples thereof include bis (acryloyloxyethyl) ether of A and 3-methylpentanediol di (meth) acrylate.

Specific examples of other polyfunctional monomers include trimethylolpropane tri (meth) acrylate, ethoxylated trimethylolpropane tri (meth) acrylate, propoxylated trimethylolpropane tri (meth) acrylate, pentaerythritol tri ( (Meth) acrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol penta (meth) acrylate, ethoxylated dipentaerythritol hexa (meth) acrylate, propoxylated dipentaerythritol hexa (meth) acrylate, dipentaerythritol hexa ( (Meth) acrylate, dipentaerythritol (poly) acrylate having a hydroxyl group or a carboxylic acid group as shown in the following chemical formulas 1 and 2, and the like. It is.

(In the chemical formula 1, R ₁ is an acrylate group or a methacrylate group, and R ₂ is hydrogen, an acryloyl group, or a methacryloyl group.)

(In Formula 2, R _{3 to} R ₅ are the same as or different from each other, and are each OH, an alkyl group having 1 to 4 carbon atoms, an acrylate group, a methacrylate group, or —OR _7. At this time, R _{3 to} R _5. At least one of which is an acrylate group or a methacrylate group, and R ₇ is

It is. R ₆ is —C (═O) CH ₂ CH ₂ C (═O) OH. R ₈ and R ₉ are acrylate groups or methacrylate groups, and R ₁₀ is hydrogen, acryloyl group, methacryloyl group, or —C (═O) CH ₂ CH ₂ C (═O) OH. )

Among these, the polyfunctional monomer more than bifunctional may be used for the photopolymerizable compound of this invention, More preferably, a carboxylic acid group containing pentafunctional photopolymerizable compound can be used.

When a photopolymerizable compound having five or more functional groups is used, the formation of a pixel pattern is superior. In particular, in the case of a pentafunctional photopolymerizable compound containing a carboxylic acid group, there is no decrease in light emission characteristics due to particle aggregation of quantum dots, and a pixel pattern having excellent photoreactivity and excellent light emission is formed. Can do.

The content of the photopolymerizable compound is usually 5 to 70% by mass, preferably 10 to 60% by mass with respect to 100% by weight of the self-luminous photosensitive resin composition. At this time, when the photopolymerizable compound is used in the above-described content range, it is preferable because a pixel pattern can be easily formed with respect to the light source. If the content is less than 5% by mass, the degree of photocuring by light is lowered and it becomes difficult to form a pixel pattern. Conversely, if the content exceeds 70% by mass, there is a problem that a problem of pattern peeling occurs. .

The photopolymerization initiator is not limited to a compound for initiating polymerization of the photopolymerizable compound, but is selected from the group consisting of triazine compounds, acetophenone compounds, biimidazole compounds, oxime compounds, and combinations thereof. A kind of compound.

The self-light-emitting photosensitive resin composition containing the photopolymerization initiator has high sensitivity, and the pixel pixel of the color filter formed using this composition has good strength and pattern property of the pixel portion.

Examples of triazine compounds include 2,4-bis (trichloromethyl) -6- (4-methoxyphenyl) -1,3,5-triazine and 2,4-bis (trichloromethyl) -6- (4- Methoxynaphthyl) -1,3,5-triazine, 2,4-bis (trichloromethyl) -6-piperonyl-1,3,5-triazine, 2,4-bis (trichloromethyl) -6- (4-methoxy Styryl) -1,3,5-triazine, 2,4-bis (trichloromethyl) -6- [2- (5-methylfuran-2-yl) ethenyl] -1,3,5-triazine, 2,4 -Bis (trichloromethyl) -6- [2- (furan-2-yl) ethenyl] -1,3,5-triazine, 2,4-bis (trichloromethyl) -6- [2- (4-diethylamino- 2-methylpheny ) Ethenyl] -1,3,5-triazine, such as 2,4-bis (trichloromethyl) -6- [2- (3,4-dimethoxyphenyl) ethenyl] -1,3,5-triazine.

Examples of the acetophenone compound include diethoxyacetophenone, 2-hydroxy-2-methyl-1-phenylpropan-1-one, benzyldimethyl ketal, 2-hydroxy-1- [4- (2-hydroxyethoxy) phenyl]. 2-methylpropan-1-one, 1-hydroxycyclohexyl phenyl ketone, 2-methyl-1- (4-methylthiophenyl) -2-morpholinopropan-1-one, 2-benzyl-2-dimethylamino-1- And oligomers of (4-morpholinophenyl) butan-1-one and 2-hydroxy-2-methyl-1- [4- (1-methylvinyl) phenyl] propan-1-one. Moreover, the compound shown to following Chemical formula 3 is mentioned.

(In Formula 3, each of R _{1 to} R ₄ is independently substituted with hydrogen, halogen, OH, an alkyl group having 1 to 12 carbon atoms or an unsubstituted phenyl group, or an alkyl group having 1 to 12 carbon atoms. Or an unsubstituted benzyl group or a naphthyl group substituted or unsubstituted with an alkyl group having 1 to 12 carbon atoms.)

Specific examples of the compound represented by the chemical formula 3 include 2-methyl-2-amino (4-morpholinophenyl) ethane-1-one, 2-ethyl-2-amino (4-morpholinophenyl) ethane-1-one, 2-propyl-2-amino (4-morpholinophenyl) ethane-1-one, 2-butyl-2-amino (4-morpholinophenyl) ethane-1-one, 2-methyl-2-amino (4-morpholinophenyl) ) Propan-1-one, 2-methyl-2-amino (4-morpholinophenyl) butan-1-one, 2-ethyl-2-amino (4-morpholinophenyl) propan-1-one, 2-ethyl-2 -Amino (4-morpholinophenyl) butan-1-one, 2-methyl-2-methylamino (4-morpholinophenyl) propan-1-one, 2-methyl-2- Methylamino (4-morpholinophenyl) propane-1-one, such as 2-methyl-2-diethylamino (4-morpholinophenyl) propane-1-one and the like.

Examples of the biimidazole compound include 2,2′-bis (2-chlorophenyl) -4,4 ′, 5,5′-tetraphenylbiimidazole, 2,2′-bis (2,3-dichlorophenyl)- 4,4 ′, 5,5′-tetraphenylbiimidazole, 2,2′-bis (2-chlorophenyl) -4,4 ′, 5,5′-tetra (alkoxyphenyl) biimidazole, 2,2′- Bis (2-chlorophenyl) -4,4 ′, 5,5′-tetra (trialkoxyphenyl) biimidazole, an imidazole compound in which the phenyl group at the 4,4 ′, 5,5 ′ position is substituted by a carboalkoxy group Etc. Of these, 2,2′bis (2-chlorophenyl) -4,4 ′, 5,5′-tetraphenylbiimidazole, 2,2′-bis (2,3-dichlorophenyl) -4,4 ′, 5 5,5′-Tetraphenylbiimidazole is preferably used.

As said oxime compound, it shows to following Chemical formula 4-6.

In addition to this, when the effect of the present invention is not impaired, a photopolymerization initiator that is usually used can be additionally used. Examples include benzoin compounds, benzophenone compounds, thioxanthone compounds, anthracene compounds, and other photopolymerization initiators. These can be used alone or in combination of two or more.

Examples of the benzoin compound include benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, and benzoin isobutyl ether.

Examples of the benzophenone compounds include benzophenone, methyl 0-benzoylbenzoate, 4-phenylbenzophenone, 4-benzoyl-4′-methyldiphenyl sulfide, 3,3 ′, 4,4′-tetra (tert-butylperoxy). Carbonyl) benzophenone, 2,4,6-trimethylbenzophenone, 4,4′-di (N, N′-dimethylamino) -benzophenone and the like.

Examples of the thioxanthone compound include 2-isopropylthioxanthone, 2,4-diethylthioxanthone, 2,4-dichlorothioxanthone, 1-chloro-4-propoxythioxanthone, and the like.

Examples of the anthracene compound include 9,10-dimethoxyanthracene, 2-ethyl-9,10-dimethoxyanthracene, 9,10-diethoxyanthracene, 2-ethyl-9,10-diethoxyanthracene and the like.

Other photopolymerization initiators include 2,4,6-trimethylbenzoyldiphenylphosphine oxide, 10-butyl-2-chloroacridone, 2-ethylanthraquinone, benzyl, 9,10-phenanthrenequinone, camphorquinone, phenylglyoxyl. Acid methyl, titanocene compounds and the like are used.

In addition, it is preferable to use a photopolymerization initiation auxiliary in combination with the photopolymerization initiator because the self-luminous photosensitive resin composition containing them becomes more sensitive and the productivity when forming a color filter is improved.

As the photopolymerization initiation auxiliary agent that can be used, one compound selected from the group consisting of amine compounds, carboxylic acid compounds, and combinations thereof is preferably used.

Specific examples of amine compounds include aliphatic amine compounds such as triethanolamine, methyldiethanolamine, and triisopropanolamine, methyl 4-dimethylaminobenzoate, ethyl 4-dimethylaminobenzoate, isoamyl 4-dimethylaminobenzoate, 4 -2-ethylhexyl dimethylaminobenzoate, 2-dimethylaminoethyl benzoate, N, N-dimethylparatoluidine, 4,4'-bis (dimethylamino) benzophenone (common name: Michler's ketone), 4,4'-bis (diethylamino) ) Aromatic amine compounds such as benzophenone. As the amine compound, an aromatic amine compound is preferably used.

Specific examples of the carboxylic acid compound include phenylthioacetic acid, methylphenylthioacetic acid, ethylphenylthioacetic acid, methylethylphenylthioacetic acid, dimethylphenylthioacetic acid, methoxyphenylthioacetic acid, dimethoxyphenylthioacetic acid, chlorophenylthioacetic acid, dichlorophenylthioacetic acid. Aromatic heteroacetic acids such as N-phenylglycine, phenoxyacetic acid, naphthylthioacetic acid, N-naphthylglycine, and naphthoxyacetic acid.

The content of such a photopolymerization initiator is 0.1 to 20% by weight, preferably 0.5 to 15% by weight, based on 100% by weight of the entire composition. It is 1-200 weight part normally with respect to 100 weight part of photoinitiators, Preferably it is 10-100 weight part.

If the content of the photopolymerization initiator is in the above range, the light-emitting photosensitive resin composition has high sensitivity, and the strength of the pixel portion and the smoothness on the surface of the pixel portion tend to be good. preferable. Further, if the content of the photopolymerization initiation auxiliary agent is within the above range, the sensitivity efficiency of the self-luminous photosensitive resin composition is further increased, and the productivity of the color filter formed using this composition tends to be improved. This is preferable.

The alkali-soluble resin has reactivity and alkali solubility due to the action of light and heat, and this is any binder resin that can be dissolved in the alkaline developer used in the development stage for color filter production. Can also be used.

Preferably, the alkali-soluble resin having an acid value of 20 to 200 (KOH mg / g) is selected and used. The acid value is a value measured as the amount (mg) of potassium hydroxide necessary to neutralize 1 g of the acrylic polymer and is related to solubility. When the acid value of the resin falls within the above range, the solubility in the developer is improved and the unexposed part is easily dissolved, the sensitivity is increased, and as a result, the pattern of the exposed part remains at the time of development and the remaining film ratio There is an advantage that (film retaining ratio) is improved.

In addition, the alkali-soluble resin can take into consideration limitations on molecular weight and molecular weight distribution (MW / MN) in order to improve surface hardness for use in a color filter. Preferably, the weight average molecular weight is 3,000 to 200,000 Da, preferably 5,000 to 100,000 Da, and the molecular weight distribution is 1.5 to 6.0, preferably 1.8 to 4.0. It is directly polymerized to have a range of or purchased and used. Alkali-soluble resins having molecular weights and molecular weight distributions in the above ranges have improved hardness, not only high residual film ratio, but also excellent resolution of unexposed areas in the developer and improved resolution. Can do.

The alkali-soluble resin is selected from the group consisting of a polymer of a carboxyl group-containing unsaturated monomer, a copolymer with a monomer having an unsaturated bond copolymerizable therewith, and a combination thereof. Contains one species.

In this case, the carboxyl group-containing unsaturated monomer can be an unsaturated monocarboxylic acid, an unsaturated dicarboxylic acid, an unsaturated tricarboxylic acid, or the like. Specifically, examples of the unsaturated monocarboxylic acid include acrylic acid, methacrylic acid, crotonic acid, α-chloroacrylic acid, and cinnamic acid. Examples of the unsaturated dicarboxylic acid include maleic acid, fumaric acid, itaconic acid, citraconic acid, and mesaconic acid. The unsaturated polyvalent carboxylic acid may be an acid anhydride, and specific examples include maleic acid anhydride, itaconic acid anhydride, citraconic acid anhydride, and the like. In addition, the unsaturated polyvalent carboxylic acid may be a mono (2-methacryloyloxyalkyl) ester such as succinic acid mono (2-acryloyloxyethyl), succinic acid mono (2-methacryloyloxyethyl), Examples thereof include mono (2-acryloyloxyethyl) phthalate and mono (2-methacryloyloxyethyl) phthalate. The unsaturated polycarboxylic acid may be a mono (meth) acrylate of a dicarboxy polymer at both ends thereof, and examples thereof include ω-carboxypolycaprolactone monoacrylate and ω-carboxypolycaprolactone monomethacrylate. These carboxyl group-containing monomers can be used alone or in admixture of two or more.

Monomers that can be copolymerized with a carboxyl group-containing unsaturated monomer include aromatic vinyl compounds, unsaturated carboxylic acid ester compounds, unsaturated carboxylic acid aminoalkyl ester compounds, unsaturated carboxylic acid glycidyl ester compounds, and carboxylic acids. Acid vinyl ester compound, unsaturated ether compound, vinyl cyanide compound, unsaturated imide compound, aliphatic conjugated diene compound, giant monomer having monoacryloyl group or monomethacryloyl group at the end of molecular chain, bulky property One type selected from the group consisting of monomers and combinations thereof is possible.

More specifically, the copolymerizable monomer is styrene, α-methylstyrene, o-vinyltoluene, m-vinyltoluene, p-vinyltoluene, p-chlorostyrene, o-methoxystyrene, m- Methoxy styrene, p-methoxy styrene, o-vinyl benzyl methyl ether, m-vinyl benzyl methyl ether, p-vinyl benzyl methyl ether, o-vinyl benzyl glycidyl ether, m-vinyl benzyl glycidyl ether, p-vinyl benzyl glycidyl ether, Aromatic vinyl compounds such as indene; methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, n-propyl acrylate, n-propyl methacrylate, i-propyl acrylate, i-propyl methacrylate, n-butyl Acrylate, n-butyl methacrylate, i-butyl acrylate, i-butyl methacrylate, sec-butyl acrylate, sec-butyl methacrylate, t-butyl acrylate, t-butyl methacrylate, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate, 3-hydroxypropyl acrylate, 3-hydroxypropyl methacrylate, 2-hydroxybutyl acrylate, 2-hydroxybutyl methacrylate, 3-hydroxybutyl acrylate, 3-hydroxybutyl methacrylate, 4- Hydroxybutyl acrylate, 4-hydroxybutyl methacrylate, allyl acrylate, allyl methacrylate Benzyl acrylate, benzyl methacrylate, cyclohexyl acrylate, cyclohexyl methacrylate, phenyl acrylate, phenyl methacrylate, 2-methoxyethyl acrylate, 2-methoxyethyl methacrylate, 2-phenoxyethyl acrylate, 2-phenoxyethyl methacrylate, methoxydiethylene glycol acrylate, methoxydiethylene glycol Methacrylate, methoxytriethylene glycol acrylate, methoxytriethylene glycol methacrylate, methoxypropylene glycol acrylate, methoxypropylene glycol methacrylate, methoxydipropylene glycol acrylate, methoxydipropylene glycol methacrylate, isobornyl acrylate Isobornyl methacrylate, dicyclopentadienyl acrylate, dicyclopentadiethyl methacrylate, adamantyl (meth) acrylate, norbornyl (meth) acrylate, 2-hydroxy-3-phenoxypropyl acrylate, 2-hydroxy-3-phenoxypropyl methacrylate, Unsaturated carboxylic acid esters such as glycerol monoacrylate and glycerol monomethacrylate; 2-aminoethyl acrylate, 2-aminoethyl methacrylate, 2-dimethylaminoethyl acrylate, 2-dimethylaminoethyl methacrylate, 2-aminopropyl acrylate, 2-amino Propyl methacrylate, 2-dimethylaminopropyl acrylate, 2-dimethylaminopropyl methacrylate, 3-amino Unsaturated carboxylic acid aminoalkyl ester compounds such as propyl acrylate, 3-aminopropyl methacrylate, 3-dimethylaminopropyl acrylate and 3-dimethylaminopropyl methacrylate; Unsaturated carboxylic acid glycidyl ester compounds such as glycidyl acrylate and glycidyl methacrylate; vinyl acetate Carboxylic acid vinyl ester compounds such as vinyl propionate, vinyl butyrate and vinyl benzoate; unsaturated ether compounds such as vinyl methyl ether, vinyl ethyl ether and allyl glycidyl ether; acrylonitrile, methacrylonitrile, α-chloroacrylonitrile, cyanide Vinyl cyanide compounds such as vinylidene; acrylamide, methacrylamide, α-chloroacrylamide, N-2-hydroxy Unsaturated amides such as til acrylamide and N-2-hydroxyethyl methacrylamide; unsaturated imide compounds such as maleimide, benzylmaleimide, N-phenylmaleimide and N-cyclohexylmaleimide; 1,3-butadiene, isoprene, chloroprene and the like Aliphatic conjugated dienes; and polystyrene, polymethyl acrylate, polymethyl methacrylate, poly-n-butyl acrylate, poly-n-butyl methacrylate, polysiloxane having a monoacryloyl group or a monomethacryloyl group at the end of the polymer molecular chain Bulky monomers; bulky monomers such as a monomer having a norbornyl skeleton, a monomer having an adamantane skeleton, and a monomer having a rosin skeleton that can reduce the relative dielectric constant value can be used.

The content of such an alkali-soluble resin may be contained in 5 to 80% by weight, preferably 10 to 70% by weight, in 100% by weight of the entire composition. When the content of the alkali-soluble resin is in the range of 5 to 80% by weight, the solubility in the developer is sufficient and the pattern can be easily formed. The missing part of the pixel portion is improved.

Any solvent can be used as long as it can dissolve or disperse the above-mentioned composition, and is not particularly limited in the present invention. Typically, alkylene glycol monoalkyl ethers, alkylene glycol alkyl ether acetates, aromatic hydrocarbons, ketones, lower and higher alcohols, cyclic esters and the like can be mentioned. More specifically, as the solvent, alkylene glycol monoalkyl ethers such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, ethylene glycol monobutyl ether; diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol dipropyl Diethylene glycol dialkyl ethers such as ether and diethylene glycol dibutyl ether; methyl cellosolve acetate, ethyl cellosolve acetate, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, propylene glycol monopropyl ether acetate, methoxybutyl acetate And alkylene glycol alkyl ether acetates such as methoxypentyl acetate; aromatic hydrocarbons such as benzene, toluene, xylene and mesitylene; ketones such as methyl ethyl ketone, acetone, methyl amyl ketone, methyl isobutyl ketone and cyclohexanone; ethanol, propanol, Examples include alcohols such as butanol, hexanol, cyclohexanol, ethylene glycol, and glycerin; esters such as ethyl 3-ethoxypropionate and methyl 3-methoxypropionate; and cyclic esters such as γ-butyrolactone.

Of the above solvents, organic solvents having a boiling point of 100 to 200 ° C. are preferable from the viewpoint of coating property and drying property, and more preferable are alkylene glycol alkyl ether acetates, ketones, 3 -Esters such as ethyl ethoxypropionate and methyl 3-methoxypropionate, and more preferably, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, cyclohexanone, ethyl 3-ethoxypropionate, 3-methoxy And methyl propionate. These solvents can be used alone or in admixture of two or more.

Such a solvent can be used as the balance so as to satisfy 100% by weight of the total composition. Such a content is a range selected in consideration of the dispersion stability of the composition and the ease of the process in the production process (eg, coating property).

The self-luminous photosensitive resin composition according to the present invention can produce a color filter by wet coating. At this time, as a wet coating method, a roll coater, a spin coater, a slit and spin coater, a slit coater (also called a die coater). A coating device such as an ink jet is used.

The present invention provides a color filter manufactured with the above-mentioned self-luminous photosensitive resin composition.

When the color filter of the present invention is applied to an image display device, it self-emits by the light of the light source and increases the light path through the scattering particles, so that it is possible to realize better light efficiency. Further, since light having a hue is emitted, the color reproducibility is more excellent, and light is emitted in all directions by photoluminescence, so that the viewing angle can be improved.

In particular, it is not a method of forming a layer containing separate scattering particles in the color filter, but one layer is formed by including quantum dots and scattering particles in one layer at the same time. Thinning can be achieved.

The color filter includes a substrate and a pattern layer formed on the substrate.

The substrate may be a substrate of the color filter itself, or may be a part where the color filter is located on a display device or the like, and is not particularly limited. For example, glass, silicon (Si), silicon oxide (SiO _x ), or a polymer substrate is used. Specifically, the polymer substrate may be polyethersulfone (PES) or polycarbonate (PC).

The pattern layer is a layer containing the self-luminous photosensitive resin composition of the present invention, and is a layer formed by applying the self-luminous photosensitive resin composition, exposing to a predetermined pattern, developing and thermosetting. It's okay.

According to an embodiment of the present invention, the pattern layer formed of the self-luminous photosensitive resin composition includes a red pattern layer including red quantum dots, a green pattern layer including green quantum dots, and a blue quantum dot. A blue pattern layer can be provided. During light irradiation, the red pattern layer emits red light, the green pattern layer emits green light, and the blue pattern layer emits blue light.

In this case, the light emitted from the light source is not particularly limited when applied to an image display device, but a light source that emits blue light can be used in terms of better color reproducibility.

According to another embodiment of the present invention, the pattern layer may include only a pattern layer having two hues among a red pattern layer, a green pattern layer, and a blue pattern layer. In that case, the said pattern layer is further equipped with the transparent pattern layer which does not contain a quantum dot.

In the case where only two types of hue pattern layers are provided, a light source that emits light having a wavelength indicating the remaining hue not included in the pattern layer can be used. For example, when a red pattern layer and a green pattern layer are included, a light source that emits blue light may be used. In this case, the red quantum dots emit red light, the green quantum dots emit green light, and the transparent pattern layer transmits blue light as it is to show blue.

The color filter including the substrate and the pattern layer may further include a partition formed between the patterns, and may further include a black matrix. Further, it may further include a protective film formed on the pattern layer of the color filter.

The present invention also provides an image display device including the color filter.

As the image display device, not only a normal liquid crystal display device but also various image display devices such as an electroluminescence display device, a plasma display device, and a field emission display device can be used.

The image display device according to the present invention has excellent luminous efficiency, high luminance, excellent color reproducibility, and a wide viewing angle.

In order that the invention may be understood, preferred embodiments thereof are set forth below, but these embodiments are merely illustrative of the invention and are not intended to limit the scope of the appended claims. It will be apparent to those skilled in the art that various changes and modifications can be made to the embodiments within the scope of the technical idea, and such changes and modifications should be within the scope of the appended claims.

Production Example 1 Synthesis of green quantum dot A-1 having CdSe (core) / ZnS (shell) structure

CdO (0.4 mmol), zinc acetate (4 mmol), and oleic acid (5.5 mL) were placed in a reactor together with 1-octadecene (20 mL) at 150 ° C. To be reacted. Thereafter, in order to remove acetic acid generated by substituting oleic acid for zinc, the reaction was left under a vacuum of 100 mTorr for 20 minutes.

Thereafter, a heat of 310 ° C. was applied to obtain a transparent mixture, which was maintained at 310 ° C. for 20 minutes, and then 0.4 mmol of Se powder and 2.3 mmol of S powder were added to 3 mL of trioctylphosphine. The dissolved Se and S solutions were rapidly injected into the reactor containing the Cd (OA) ₂ and Zn (OA) ₂ solutions. The resulting mixture was grown at 310 ° C. for 5 minutes, and then the growth was interrupted using an ice bath.

After that, precipitation with ethanol, separation of quantum dots using a centrifuge, excess impurities are washed away with chloroform and ethanol, stabilized with oleic acid, core particle size and shell A quantum dot A-1 having a CdSe (core) / ZnS (shell) structure in which particles having a total thickness of 3 to 5 nm were distributed was obtained.

Production Example 2 Synthesis of alkali-soluble resin

A flask equipped with a stirrer, a thermometer, a reflux condenser, a dropping funnel and a nitrogen introduction tube was prepared, while N-benzylmaleimide 45 parts by weight, methacrylic acid 45 parts by weight, tricyclodecyl methacrylate 10 parts by weight, t- 4 parts by weight of butylperoxy-2-ethylhexanoate and 40 parts by weight of propylene glycol monomethyl ether acetate (hereinafter PGMEA) were added and mixed by stirring to prepare a monomer dropping funnel, 6 parts by weight of n-dodecanediol, 24 parts by weight of PGMEA was added and mixed by stirring to prepare a chain transfer agent dropping funnel.

Thereafter, 395 parts by weight of PGMEA was introduced into the flask, the atmosphere in the flask was changed from air to nitrogen, and the temperature of the flask was raised to 90 ° C. while stirring.

Next, the dropping of the monomer and the chain transfer agent was started from the dropping funnel. The dropwise addition proceeds for 2 hours while maintaining 90 ° C., 1 hour later, the temperature is raised to 110 ° C. and maintained for 3 hours, and then a gas introduction pipe is introduced to mix oxygen / nitrogen = 5/95 (v / v) Gas bubbling started.

Next, 10 parts by weight of glycidyl methacrylate, 0.4 part by weight of 2,2′-methylenebis (4-methyl-6-tert-butylphenol), and 0.8 part by weight of triethylamine were charged into the flask, and the mixture was heated at 110 ° C. for 8 parts. The reaction was continued for a period of time, and then cooled to room temperature to obtain an alkali-soluble resin having a solid content of 29.1% by weight, a weight average molecular weight of 32,000, and an acid value of 114 mgKOH / g.

Examples 1 to 16 and Comparative Examples 1 to 6: Production of a single-layer color filter

As described in the following Tables 1 to 4, after mixing each component, after diluting with propylene glycol monomethyl ether acetate so that the total solid content becomes 20 wt%, the mixture is sufficiently stirred and self-luminous photosensitivity. A functional resin composition was obtained. Table 1 shows the types of scattering particles used in Examples and Comparative Examples. Table 2 shows the composition of the example using TiO ₂ as the scattering particles, and Table 3 shows the composition of the example using Al ₂ O ₃ and the example using different contents of TiO _2. Indicated. In addition to this, Table 4 shows the compositions used in the comparative examples.

Color filters were produced using the self-luminous photosensitive resin compositions produced in Examples 1 to 16 and Comparative Examples 1 to 6. That is, each of the self-luminous photosensitive resin compositions was applied onto a glass substrate by a spin coating method and then placed on a heating plate and maintained at a temperature of 100 ° C. for 3 minutes to form a thin film.

Next, a test photomask having a square transmission pattern of horizontal x vertical 20 mm x 20 mm and a line / space pattern of 1 to 100 µm was placed on the thin film, and the ultraviolet ray was irradiated with an interval of 100 µm from the test photomask. .

At this time, the ultraviolet light source was irradiated with light using an ultrahigh pressure mercury lamp (trade name USH-250D) manufactured by USHIO ELECTRIC CO., LTD. At an exposure amount (365 nm) of 200 mJ / cm ^{2 in} an air atmosphere. No filter was used.

The thin film irradiated with the ultraviolet rays was developed by immersing in a KOH aqueous solution developing solution having a pH of 10.5 for 80 seconds. The glass plate covered with the thin film was washed with distilled water, dried by blowing nitrogen gas, and heated in a heating oven at 150 ° C. for 10 minutes to produce a color filter pattern. The film thickness of the manufactured self-luminous color pattern was 5.0 μm.

Comparative Example 7: Production of multilayer color filter

In the composition of Example 1, the first composition does not include quantum dots and includes 35% by weight of scattering particles E-1, and the second composition does not include scattering particles and includes only 35% by weight of quantum dots A-1. Manufactured.

The manufacturing method of the color filter is the same as described above, but in Comparative Example 7, the first composition and the second composition were sequentially laminated on the substrate.

Experimental Example 1: Measurement of fine pattern

Of the color filters manufactured using the self-luminous photosensitive resins manufactured in Examples 1 to 16 and Comparative Examples 1 to 6, the pattern was obtained through a line / space pattern mask designed to 100 μm. The size of the pattern was measured with an OM equipment (ECLIPSE LV100POL Nikon).

If the difference between the design value of the line / space pattern mask and the measurement value of the obtained fine pattern is 20 um or more, it becomes difficult to realize a fine pixel. means. Referring to Table 5, it was confirmed that there was no problem in forming a fine pattern even if the quantum dots and the scattering particles were used simultaneously according to the present invention.

Experimental example 2: Measurement of emission intensity

Of the color filters manufactured using the self-luminous photosensitive resins manufactured in Examples 1 to 16 and Comparative Examples 1 to 6, the portion of the color filter formed in a 20 × 20 mm square pattern has a 365 nm tube type 4W UV. The region optically converted by an irradiator (VL-4LC, VILBER LOURMAT) was measured. Examples 1-12, Comparative Examples 1-3, and Comparative Examples 5-6 were 520 nm regions, Examples 13-16, and Comparative Examples. 4 measured the light emission intensity in a 640 nm area | region using Spectrum meter (Ocean Optics).

The higher the measured emission intensity, the higher the light efficiency. Then, when Table 6 was seen, compared with the comparative examples 3 and 4 which did not use a quantum dot and a scattering particle, it was able to confirm that the emitted light intensity improved in the case of Examples 1-16. Further, in the case of Comparative Example 7 having a laminated structure, absorption of the light source occurs in the layer containing only scattering particles, and the intensity of the light source reaching the self-luminous layer is reduced, thereby reducing the light efficiency. I was able to confirm.

Experimental Example 3: Evaluation of sedimentation stability

50 ml of the self-luminous photosensitive resin composition produced according to the above examples and comparative examples was put into a 100 ml graduated cylinder, and then the phase separation phenomenon of the upper layer due to sedimentation of the scatterer was confirmed with the naked eye.

The evaluation was confirmed every 6, 18, 36, 72, and 100 hours, respectively, and the time when each sample was confirmed to have phase separation of 5 ml or more was measured.

Generally, sedimentation of scatterers is a natural phenomenon, but if phase separation occurs during the color filter manufacturing process, it may cause problems in coating stability. Therefore, if the time when the phase separation of the sample is confirmed is 6 hours or more, it can be determined that there is no problem in the stability of the composition.

Referring to Table 7, it can be confirmed that Examples 1 to 16 all showed sedimentation stability of 6 hours or more, and there was no problem in the stability of the composition.

The self-luminous photosensitive resin composition according to the present invention is introduced into a color filter of an image display device, and can maintain high color reproduction characteristics and luminance, thereby realizing a high-quality vivid image quality.

1: Substrate 3: Color filter

Claims (9)

Including quantum dots, scattering particles, photopolymerizable compounds, photopolymerization initiators, alkali-soluble resins, and solvents,
The scattering particle is a metal oxide having an average particle diameter of 30 to 1000 nm. The metal oxide is Li, Be, B, Na, Mg, Al, Si, K, Ca, Sc, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, Ge, Rb, Sr, Y, Mo, Cs, Ba, La, Hf, W, Tl, Pb, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Ti, Sb, Sn, Zr, The self-luminous photosensitive resin composition according to claim 1, which is an oxide containing one or more metals selected from the group consisting of Nb, Ce, Ta, and In. The metal oxide includes Al ₂ O ₃ , SiO ₂ , ZnO, ZrO ₂ , BaTiO ₃ , TiO ₂ , Ta ₂ O ₅ , Ti ₃ O ₅ , ITO, IZO, ATO, ZnO-Al, Nb ₂ O ₃ , The self-luminous photosensitive resin composition according to claim 1, comprising at least one selected from the group consisting of SnO and MgO. The quantum dot includes at least one selected from the group consisting of a II-VI group semiconductor compound; a III-V group semiconductor compound; an IV-VI group semiconductor compound; and a group IV element or a compound containing the group IV element. The self-luminous photosensitive resin composition according to claim 1, wherein The self-luminous photosensitive resin composition according to claim 1, wherein the scattering particles are a metal oxide having an average particle diameter of 100 to 500 nm. The self-luminous photosensitive resin composition satisfies 100% by weight of the total composition,
3-80% by weight of quantum dots,
0.1 to 50% by weight of scattering particles,
5 to 70% by weight of the photopolymerizable compound,
0.1-20% by weight of photopolymerization initiator,
The self-luminous photosensitive resin composition according to claim 1, comprising 5 to 80% by weight of an alkali-soluble resin and a solvent as a balance. The self-luminous photosensitive resin composition according to claim 6, wherein the content of the scattering particles is 0.5 to 30% by weight. A color filter manufactured with the self-luminous photosensitive resin composition according to claim 1. An image display device comprising the color filter according to claim 8.

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