TWI788089B - High-haze anti-glare film and high-haze anti-glare anti-reflection film - Google Patents

Abstract

A high-haze anti-glare film is disclosed. The high-haze anti-glare film comprises a transparent substrate and an anti-glare layer on the substrate. The anti-glare layer comprises acrylate binder and amorphous silica microparticles. The total haze (Ht) of the anti-glare film is more than 20%, wherein the total haze is the sum of the surface haze (Hs) of the anti-glare film and the inner haze (Hi) of the anti-glare film, and the inner haze (Hi) and the total haze (Ht) satisfy the relationship 0.01<Hi/Ht<0.25. The present high-haze anti-glare film provides high anti-glare and anti-sparkling properties.

Description

High haze anti-glare film and high haze anti-glare anti-reflection film

The invention relates to a high haze anti-glare film which can be used in image display devices, especially an anti-glare film with anti-flicker property.

Current image displays, such as liquid crystal displays (LCDs) and organic light emitting diode displays (OLEDs), are affected by glare caused by external light incident on the surface of the display, especially at high pixel densities (for example, greater than 100 PPI). For high-definition displays, an anti-glare film is used on the surface of the display to reduce glare and flickering of images reflected by external light on the surface of the display. Known technology suggests using particle dispersion on a transparent substrate to form an anti-glare film with a concave-convex structure surface to solve the glare phenomenon. However, the concave-convex structure surface is mostly spherical particles to form a hemispherical convex surface. This structure causes the pixel light source generated from the panel. There is flickering light phenomenon due to zooming caused by lens effect. In the known technology, reducing the size of the spherical particle size to reduce the zoom degree of the lens effect can improve the degree of flickering light, but it is easy to cause insufficient anti-glare performance; increasing the size of the spherical particle size can improve the anti-glare property, but it will increase the lens effect The degree of zoom increases the degree of flicker light. It has also been suggested to greatly increase the internal haze of the anti-glare layer, so that the pixel light source first passes through the internal scattering of the anti-glare coating to reduce the degree of flickering light, but this method increases the content of spherical particles in the anti-glare layer to provide internal haze , it will also increase the surface haze and the number of hemispherical protrusions of the anti-glare layer at the same time, thereby making the lens effect Increase the degree of flickering light. In order to avoid the lens effect caused by the increase of particles on the surface, it is necessary to increase the thickness of the anti-glare layer to reduce the surface haze, but this method also results in insufficient anti-glare performance.

Therefore, the present invention proposes a high haze anti-glare film with anti-glare property, which can improve anti-glare property to no glare and effectively avoid sparkle caused by lens effect, especially suitable for high pixel density ( For example, greater than 100 PPI) on a monitor.

One aspect of the present invention is to provide a high haze anti-glare film with high anti-glare properties and flicker resistance on high pixel density (eg, greater than 100 PPI) displays.

The high-haze anti-glare film of the present invention comprises a transparent substrate and an anti-glare coating formed on the transparent substrate, wherein the anti-glare coating comprises an acrylic binder resin and a plurality of amorphous silica particles , the high haze antiglare film has a total haze (Ht) greater than 20%, wherein the total haze (Ht) is the surface haze (Hs) of the high haze antiglare film and the high haze antiglare The sum of the internal haze (Hi) of the film, and the internal haze (Hi) and total haze (Ht) conform to the relationship: 0.01<Hi/Ht<0.25.

The high-haze anti-glare film of the present invention comprises a transparent substrate and an anti-glare coating formed on the transparent substrate, wherein the anti-glare coating comprises an acrylic binder resin and a plurality of amorphous silica particles , wherein the amorphous silicon dioxide particles form a concave-convex surface with a plurality of irregular protrusions on the surface of the anti-glare coating, and the arithmetic mean deviation (Ra) of the line roughness of the concave-convex surface is between 0.15 μm and 1.5 μm and the average width (RSm) is between 5μm and 20μm, where Ra and RSm satisfy the relationship: 1.8<(Ra x 100)/RSm<10, and the inclination angle of these irregular protrusions (root mean square The slope, RΔq) is between 15° and 50°.

In the high-haze anti-glare film of the present invention, the average particle size of the amorphous silicon dioxide particles in the anti-glare coating is between 2.0 μm and 10 μm, especially between 2.0 μm It is preferably between 8 μm and BET specific surface area between 60m ² /g and 100m ² /g.

In the high-haze anti-glare film of the present invention, relative to the acrylic binder resin per one hundred parts by weight, the amount of the amorphous silica microparticles used is between 8 parts by weight and 35 parts by weight, Especially preferably between 10 parts by weight and 30 parts by weight.

In the high-haze anti-glare film of the present invention, the thickness of the anti-glare coating is between 2 μm and 12 μm, especially preferably between 3 μm and 10 μm.

In the high-haze anti-glare film of the present invention, the anti-glare coating may further include a plurality of spherical organic microparticles, and the spherical organic microparticles are monodisperse and have an average particle diameter smaller than the average particle size of the amorphous silica microparticles used. path. In the anti-glare coating of the high-haze anti-glare film of the present invention, the amount of the organic microparticles is between 5 parts by weight and 25 parts by weight for every hundred parts by weight of the acrylic binder resin. , wherein the total amount of the organic microparticles and the amorphous silica microparticles is between 15 parts by weight and 35 parts by weight and the weight ratio of the organic microparticles to the amorphous silica microparticles is between Between 0.2 and 2.0.

Another embodiment of the present invention is to provide a high-haze anti-glare and anti-reflection film.

The high-haze anti-glare anti-reflection film of the present invention further forms a low refractive index layer on the anti-glare coating of the high-haze anti-glare film to provide anti-reflection function and improve the transmittance, in order to improve the contrast of the dark room, wherein The 5-degree angle average reflectance of the high-haze anti-glare anti-reflection film is not more than 0.15%, and the diffuse and specular average reflectance of SCI (Specular Component Include) and the diffuse average reflectance of SCE (Specular Component Exclude) are not greater than 2.5 %.

The high-haze anti-glare and anti-reflection film of the present invention is formed on the anti-glare coating of the present invention with a low-refractive layer, and the refractive index of the low-refractive layer is not greater than 1.4. The low-refractive layer of the high-haze anti-glare and anti-reflective film of the present invention comprises a binder resin, a plurality of hollow silicon dioxide nanoparticles and And a leveling agent comprising a (meth)acryl modified organosilicon compound with a perfluoropolyether functional group, wherein the binder resin can be a (meth)acrylic resin or modified by fluorine and acrylate polysiloxane resin.

The high-haze anti-glare and anti-reflection film of the present invention provides a hydrophobic surface, and the water contact angle of the surface is greater than 90°, and preferably greater than 95°.

The above summary is intended to provide a simplified summary of the disclosure to provide readers with a basic understanding of the disclosure. This summary is not an extensive overview of the disclosure and it is not intended to identify key/critical elements of the embodiments of the invention or to delineate the scope of the invention. After referring to the following embodiments, those with ordinary knowledge in the technical field of the present invention can easily understand the basic spirit of the present invention as well as the technical means and implementation modes adopted by the present invention.

In order to make the description of the disclosed content of the present invention more detailed and complete, the following provides an illustrative description of the implementation aspects and specific embodiments of the present invention; but this is not the only form for implementing or using the specific embodiments of the present invention. The various embodiments disclosed below can be combined or replaced with each other when beneficial, and other embodiments can also be added to one embodiment, without further description or illustration.

The advantages, features and technical methods achieved by the present invention will be described in more detail with reference to exemplary embodiments to make it easier to understand, and the present invention may be implemented in different forms, so it should not be construed as being limited to the embodiments set forth herein On the contrary, for those with ordinary knowledge in the technical field, the provided embodiments will make this disclosure more thorough, comprehensive and completely convey the scope of the present invention, and the present invention will only be limited by the scope of the appended claims definition.

Unless otherwise defined, all terms (including technical and scientific terms) and proper nouns used in the following text are essentially the same as those commonly understood by those skilled in the art to which the present invention belongs have the same meaning, and those terms such as those defined in commonly used dictionaries should be understood as having the meaning consistent with the content of the relevant field, and unless it is clearly defined later, it will not be overly idealized or overly formal Meaning understood.

In this paper, among the line roughness parameters, the arithmetic mean deviation (Ra) represents the arithmetic mean value of the absolute value of the ordinate Z(x) within a sampling length. The maximum height (Rz) represents the sum of the maximum profile peak height Zp and the maximum profile valley depth Zv within a sampling length. The mean width (RSm) represents the mean value of the width Xs of the contour elements within a sampling length. The root mean square slope (R△q) represents the root mean square value of the ordinate slope dz/dx within a sampling length. Among the surface roughness parameters, the root mean square height (Sq) represents the root mean square value of Z(x,y) in a defined area. The arithmetic mean altitude (Sa) represents the arithmetic mean of the absolute coordinates Z(x,y) within a defined area. The maximum height (Sz) represents the sum of the maximum peak height Sp and the maximum valley depth Sv. The root mean square gradient (SΔq) represents the average magnitude of the local gradient (slope) of the surface.

Furthermore, in this article, the so-called "(meth)acrylate" refers to methacrylate and acrylate.

The present invention provides a high haze anti-glare film with a total haze of not less than 20%, which comprises a transparent substrate and an anti-glare coating formed on the transparent substrate, wherein the anti-glare coating comprises an acrylic It is a binder resin and a plurality of amorphous silica particles. The high-haze anti-glare film of the present invention forms a concave-convex surface on the surface of the anti-glare coating by the amorphous silica particles, and the irregular shape of the amorphous particles makes the surface of the anti-glare coating form a concavo-convex surface. Irregular protrusions can effectively avoid the lens effect on the surface and reduce the degree of light flicker, taking into account high anti-glare and low light flicker.

The high-haze anti-glare film of the present invention comprises a transparent substrate and an anti-glare coating formed on the transparent substrate, wherein the anti-glare coating comprises an acrylic binder resin and a plurality of amorphous dioxide Silicon microparticles, wherein the total haze (Ht) of the high-haze anti-glare film is the sum of the surface haze (Hs) of the high-haze anti-glare film and the internal haze (Hi) of the high-haze anti-glare film together, and the internal The haze (Hi) and the total haze (Ht) conform to the relational formula 0.01<Hi/Ht<0.25; and preferably conform to the relational formula 0.02<Hi/Ht<0.20.

The anti-glare coating of the high-haze anti-glare film of the present invention uses a plurality of amorphous silica particles, because the amorphous silica particles form a plurality of irregular protrusions on the surface of the anti-glare coating, and the irregular The average width of the contour unit of the surface roughness formed by the protrusions is small and the inclination angle of the roughness curve is large, showing the irregular shape of the protrusions on the surface of the anti-glare coating, which can effectively avoid the lens effect of the rough surface and facilitate anti-glare Glare film resistance to flicker.

The high-haze anti-glare film of the present invention comprises a transparent substrate and an anti-glare coating formed on the transparent substrate, wherein the anti-glare coating comprises an acrylic binder resin and a plurality of amorphous silica particles , wherein the amorphous silicon dioxide microparticles form a plurality of irregular convex concave-convex surfaces on the surface of the anti-glare coating, and the arithmetic mean deviation (Ra) of the line roughness of the concave-convex surfaces of the anti-glare coating is Between 0.15 μm and 1.5 μm, preferably between 0.20 μm and 1.0 μm, the average width (RSm) is between 5 μm and 20 μm, preferably between 6 μm and 18 μm, wherein Ra and RSm satisfy the relationship Formula: 1.8<(Ra x 100)/RSm<10, preferably between 2.0<(Ra x 100)/RSm<9.5, and the inclination angle of the irregular protrusions (root mean square slope, R△q ) is between 15° and 50°, preferably between 15° and 45°.

In one embodiment of the present invention, a suitable transparent substrate can be selected from a film material with good mechanical strength and light transmittance, which can be but not limited to polymethyl methacrylate (PMMA), polyterephthalic acid Ethylene glycol ester (PET), polyethylene naphthalate (PEN), polycarbonate (PC), triacetyl cellulose (TAC), polyimide (PI), polyethylene (PE), polypropylene (PP), polyvinyl alcohol (PVA), polyvinyl chloride (PVC) or cycloolefin copolymer (COC) and other resin film materials.

In a preferred embodiment of the present invention, the selected transparent substrate preferably has a light transmittance of more than 80%, especially more than 90%. Compared with the present invention In a preferred embodiment, the applicable thickness of the transparent substrate is approximately between 10 μm and 500 μm, preferably between 15 μm and 250 μm, especially preferably between 20 μm and 100 μm.

In the high-haze anti-glare film of the present invention, the thickness of the anti-glare coating on the transparent substrate is between 2.0 μm and 12 μm, preferably between 3.0 μm and 10 μm.

In the high-haze anti-glare film of the present invention, the average particle size of the amorphous silicon dioxide particles contained in the anti-glare coating is between 2.0 μm and 10 μm, especially between 2.0 μm and 10 μm. It is preferably between 8 μm and the BET specific surface area is between 60m ² /g and 100m ² /g, especially between 65m ² /g and 90m ² /g. In the high-haze anti-glare film of the present invention, relative to the acrylic binder resin per one hundred parts by weight, the use amount of these amorphous silica particles can be between 8 parts by weight and 35 parts by weight, especially It is preferably between 10 parts by weight and 30 parts by weight. In the high-haze anti-glare film of the present invention, the amount of these amorphous silica particles is sufficient to provide the necessary high haze without reducing the anti-glare property.

The maximum height (Rz) of the line roughness of the anti-glare coating surface of the high-haze anti-glare film of the present invention is between 2 μm and 15 μm, and the arithmetic mean height (Sa) of the surface roughness of the anti-glare coating surface is between 2 μm and 15 μm. Between 0.20 μm and 1.50 μm, the maximum height (Sz) is between 5 μm and 35 μm, and the root mean square gradient (SΔq) is between 0.20° and 2.0°.

The anti-glare coating surface of the high-haze anti-glare film of the present invention has excellent abrasion resistance, and the haze changes little after abrasion, providing good durability.

In the anti-glare film of the present invention, the acrylic binder resin used in the anti-glare coating includes a (meth)acrylate composition and an initiator, wherein the (meth)acrylate composition in the acrylic binder resin Containing 35 to 50 parts by weight of a polyurethane (meth)acrylate oligomer with a functionality of 6 to 15, 12 to 20 parts by weight of a (meth)acrylate monomer with a functionality of 3 to 6 and 1.5 to 12 parts by weight of a (meth)acrylate monomer having a functionality of less than 3.

In a preferred embodiment of the present invention, the urethane (meth)acrylate oligomer with a functionality between 6 and 15 is an aliphatic urethane (meth)acrylate oligomer with a molecular weight between 1,500 and 4,500 Things are appropriate.

In a preferred embodiment of the present invention, the (meth)acrylate monomer with a functionality of 3 to 6 is a (meth)acrylate monomer with a molecular weight lower than 800. The (meth)acrylate monomers suitable for use in the present invention with a functionality of 3 to 6 are pentaerythritol triacrylate (PETA), dipentaerythritol hexaacrylate (dipentaerythritol hexaacrylate, DPHA), dipentaerythritol pentaacrylate (dipentaerythritol pentaacrylate, DPPA) one or a combination thereof is suitable, but not limited thereto.

In a preferred embodiment of the present invention, the (meth)acrylate monomer with a functionality of less than 3 can be a (meth)acrylate monomer with a functionality of 1 or 2, and its molecular weight is less than 500 ( Meth)acrylate monomer. The (meth)acrylate monomer with a functionality of less than 3 can use 1,6-hexanediol diacrylate (HDDA), cyclotrihydrocarbon methylpropane formal acrylate (CTFA), 2-phenoxy One or a combination of ethyl acrylate (PHEA) or isobornyl acrylate (IBOA) is suitable, but not limited thereto.

Suitable initiators in the acrylate binder resin of the present invention can be widely known in this technical field and can be used without special restrictions. For example, acetophenone initiators, diphenyl ketones, etc. Type initiators, propiophenone-type initiators, dibenzoyl-type initiators, difunctional α-hydroxy ketone initiators or acyl phosphine oxide-type initiators, etc. The aforementioned starters can be used alone or in combination.

A leveling agent can be added to the anti-glare coating of the high-haze anti-glare film of the present invention to improve the coating or smoothness of the coated surface. In the anti-glare coating of the high-haze anti-glare film of the present invention, a recoatable leveling agent can also be selectively added to facilitate the coating of other glossy coatings on the film surface of the high-haze anti-glare film. Learning function layer. Fluorine-based, (meth)acrylate-based or silicone-based leveling agents can be used in the anti-glare coating of the high-haze anti-glare film of the present invention.

In the high-haze anti-glare film of the present invention, the anti-glare coating may further include a plurality of spherical organic microparticles to increase the internal haze, thereby increasing internal scattering, so that the internal light source is not easy to directly illuminate the irregularities on the surface of the anti-glare coating. The lens effect is produced by the protrusion, so it can increase the resistance to flicker. The spherical organic microparticles in the antiglare coating of the high-haze antiglare film of the present invention are monodisperse and have an average particle diameter smaller than the average particle diameter of the amorphous silica microparticles used, that is, if particles In the case of amorphous silica fine particles with an average particle diameter of 4.0 μm, spherical organic fine particles with a particle diameter of 2.0 μm or 3.0 μm can be used. In the high haze anti-glare film of the present invention, the amount of these organic microparticles is between 5 parts by weight and 25 parts by weight, especially between 5 parts by weight per hundred parts by weight of the acrylic binder resin It is preferably between 20 parts by weight, and the weight part ratio of the organic microparticles to the amorphous silica microparticles is not more than 2.0 and not less than 0.2, especially not more than 1.5 and not less than 0.2. And the total amount of the organic microparticles and the amorphous silicon dioxide microparticles is between 15 parts by weight and 35 parts by weight per hundred parts by weight of the acrylic binder resin.

The organic microparticles suitable for the antiglare coating of the present invention are polymethyl methacrylate resin microparticles, polystyrene resin microparticles, styrene-methyl methacrylate copolymer microparticles, melamine microparticles, polyethylene resin microparticles, epoxy Resin fine particles, silicone resin fine particles, polyvinylidene fluoride resin or polyvinyl fluoride resin fine particles.

On the film surface of the high-haze anti-glare film of the present invention, other optical functional layers can be selectively coated, for example, a low-refractive layer is coated to provide anti-reflection.

The high-haze anti-glare anti-reflection film of another aspect of the present invention is further coated with a low-refractive index layer on the anti-glare coating of the high-haze anti-glare film to provide anti-reflection function and improve the transmittance. In order to improve the contrast of the dark room, the 5-degree angle average reflectance of the high-haze anti-glare anti-reflection film is not Greater than 0.15% and SCI (Specular Component Include) diffuse and specular average reflectance and SCE (Specular Component Exclude) diffuse average reflectance are not greater than 2.5%.

The high-haze anti-glare and anti-reflection film of the present invention is coated with a low-refractive layer on the anti-glare coating, and the low-refractive layer includes a binder resin, a plurality of hollow silicon dioxide nanoparticles and a Leveling agent for organosilicon compound modified with (meth)acryl modified with fluoropolyether functional group, wherein the refractive index of the low refractive layer is not greater than 1.4.

In one embodiment of the high-haze anti-glare anti-reflection film of the present invention, the particle diameter of the hollow silica nanoparticles used in the low-refractive layer is between 50 nanometers (nm) and 100 nanometers ( nm), preferably between 50 nanometers (nm) and 80 nanometers (nm).

In one embodiment of the high-haze anti-glare and anti-reflection film of the present invention, the binder resin may be (meth)acrylic resin or polysiloxane resin modified with fluorine and acrylate.

In one embodiment of the high-haze anti-glare anti-reflective film of the present invention, the (meth)acrylic resin that can be used in the low refractive layer can be pentaerythritol tri(meth)acrylate, dipentaerythritol hexa(methyl) ) acrylate, pentaerythritol tetra(meth)acrylate, dipentaerythritol penta(meth)acrylate, trimethylolpropane tri(meth)acrylate, ditrimethylolpropane tetra(meth)acrylate, At least one or a combination of dipentaerythritol tetra(meth)acrylates. When the (meth)acrylic resin is used as the binder resin for the low-refractive layer, the usage amount of the hollow silicon dioxide nanoparticles in the low-refractive layer is relative to the aforementioned (meth)acrylic resin in one hundred parts by weight. The resin is between 60 parts by weight and 130 parts by weight, and preferably between 80 parts by weight and 110 parts by weight.

In one embodiment of the high haze antiglare antireflection film of the present invention, the polysiloxane resin modified by fluorine and acrylate that can be used in the low refractive layer is a polysiloxane resin with a siloxane main chain containing fluorine Alkyl-branched and acrylate-functional branched polysiloxane resins with a number average molecular weight (Mn) of less than 10,000, a fluorine content between 1% and 15%, and a refractive index between 1.43 and 1.49 And the fluorine-silicon ratio is between 0.05 and 1.00. Applicable fluorine- and acrylate-modified Polysiloxane resins are, for example but not limited to, commercially available silicone resins such as X-12-2430C (purchased from Shin-Etsu Chemical Industry, Japan). When the polysiloxane resin modified by fluorine and acrylate is used as the binder resin of the low refraction layer, a fluorinated polyurethane oligomer may be optionally included. The suitable fluorinated polyurethane oligomer has a functionality between 2 and 6, a number average molecular weight (Mn) between 1,000 and 20,000, a refractive index between 1.30 and 1.45, a viscosity at 25°C of less than 10,000 cps and The fluorine content is between 20% and 60%. Suitable fluorine- and acrylate-modified fluorinated polyurethane oligomers are, for example but not limited to, commercially available LR6000, LR2000 (purchased from Miwon, Korea). In the high haze anti-glare anti-reflection film of the present invention, when the polysiloxane resin modified by fluorine and acrylate is used as the binder resin of the anti-reflection film, the hollow silicon dioxide nanoparticles in the low refraction layer The amount used per hundred parts by weight of the polysiloxane resin modified by fluorine and acrylate is between 90 parts by weight and 350 parts by weight, and preferably between 100 parts by weight and 300 parts by weight.

In one embodiment of the high-haze anti-glare and anti-reflection film of the present invention, the low-refractive layer contains a leveling agent. The leveling agent comprises a (meth)acryl modified organosilicon compound with a perfluoropolyether functional group, and the number average molecular weight (Mn) of the organosilicon compound is between 1,500 and 16,000. Suitable leveling agents for organosilicon compounds modified by (meth)acrylic acid with perfluoropolyether functional groups, such as but not limited to commercially available X-71-1203E, KY-1203, KY-1211 or KY-1207 (Buy from Ziyue Chemical Industry, Japan).

In the low refraction layer of the high-haze anti-glare and anti-reflection film of the present invention, the amount of leveling agent used varies with the type of binder resin used. When the (meth)acrylic resin is used as the binder resin for the low-refractive layer, the amount of the leveling agent is between 5 parts by weight and 20 parts by weight per hundred parts by weight of the (meth)acrylic resin , and preferably between 9 parts by weight and 17 parts by weight. When the polysiloxane resin modified by fluorine and acrylate is used as the binder resin of the low-refractive layer, relative to the polysiloxane resin modified by fluorine and acrylate per hundred parts by weight, the low-refractive layer The usage amount of leveling agent is between 1 weight part to 45 weight parts, and preferably is between 2 weight parts to Between 30 parts by weight.

Suitable initiators for the low refractive index layer of the high-haze anti-glare and anti-reflective film of the present invention are, for example but not limited to, commercially available products such as Esacure KIP-160, Esacure One, Omnirad 184 purchased from IGM Resins B.V. of the Netherlands , Omnirad 907, Omnirad TPO, TR-PPI-ONE purchased from Hong Kong Shangqiangli New Materials Co., Ltd., etc.

The low refractive index layer of the high-haze anti-glare and anti-reflection film of the present invention can provide the anti-reflection function of the high-haze anti-glare film and improve the transmittance to improve the contrast in the dark room, but still maintain the original anti-glare performance and scintillation resistance, and can provide surface mar resistance and moderate stain resistance.

Another object of the present invention is to provide a method for preparing a high-haze anti-glare film. The preparation method of the anti-glare film of the present invention comprises the polyurethane (meth)acrylate oligomer with a functionality of 6 to 15 in the (meth)acrylate composition, and at least one (meth)acrylate oligomer with a functionality of 3 to 6 ( A meth)acrylate monomer, at least one (meth)acrylate monomer with a functionality of less than 3 and an initiator are uniformly mixed with an appropriate solvent to form an acrylic binder resin solution; in the acrylic binder resin solution Add amorphous silicon dioxide microparticles, leveling agent and organic solvent, mix evenly to form an anti-glare solution; take the anti-glare solution and apply it on a transparent substrate, dry the transparent substrate coated with the anti-glare solution, and then An anti-glare coating is formed on the transparent substrate after being cured by radiation or electron beams to obtain a high haze anti-glare film.

The solvent used in the preparation method of the aforementioned anti-glare film of the present invention can be an organic solvent commonly used in this technical field, such as ketones, aliphatic or cycloaliphatic hydrocarbons, aromatic hydrocarbons, ethers, esters or Alcohols, etc. One or more than one organic solvents can be used in both the acrylate composition and the antiglare solution. Suitable solvents can be, for example, acetone, butanone, cyclohexanone, methyl isobutyl ketone, hexane, cyclohexane, Dichloromethane, dichloroethane, toluene, xylene, propylene glycol methyl ether, methyl acetate, ethyl acetate, propyl acetate, butyl acetate, isopropanol, n-butanol, isobutanol, cyclohexanol, Diacetone alcohol, propylene glycol methyl ether acetate or tetrahydrofuran, etc. or the like, but not limited thereto.

In other embodiments of the present invention, antistatic agents, colorants, flame retardants, ultraviolet absorbers, antioxidants, surface modifiers, antibacterial agents, and hydrophobic modifiers may also be added to the prepared antiglare solution. Additives such as silicon oxide nanoparticles or defoamers to provide different functional properties.

The aforementioned method of coating the anti-glare solution can be adopted, such as roll coating method, doctor blade coating method, dip coating method, roller coating method, spin coating method, spray coating method, slit coating method and other such techniques Coating method widely used in the field.

The high-haze anti-glare film of the present invention can be further coated with a low-refractive index layer on the anti-glare coating to provide anti-reflection function and increase the transmittance, so as to improve the contrast in the dark room, but still maintain the original anti-glare resistance and flicker resistance.

Another object of the present invention is to provide a method for preparing a high-haze anti-glare and anti-reflection film, which includes uniformly mixing binder resin, hollow silicon dioxide nanoparticles, initiator, leveling agent and appropriate solvent Finally, a low refractive index layer solution is formed; the low refractive index layer solution is coated on the anti-glare coating of a high-haze anti-glare film, dried to remove the solvent, and then cured by radiation or electron beams to form a layer on the high A low refractive index layer is formed on the antiglare coating of the haze antiglare film to obtain a high haze antiglare antireflection film.

The solvent used in the method for preparing the low-refractive layer of the present invention may be, for example, used in the preparation of an anti-glare coating. In other embodiments of the present invention, antistatic agents, colorants, flame retardants, ultraviolet absorbers, antioxidants, surface modifiers, antibacterial agents, and hydrophobic modifiers may also be added to the prepared low-refractive layer solution. Additives such as silica nanoparticles or defoamers to provide different functional properties. The method of coating the low-refractive layer solution can be used, such as roll coating method, doctor blade coating method, dip coating method, roller coating method, spin coating method, spray coating method, slit coating method and other such techniques Coating method widely used in the field.

The following examples are used to further illustrate the present invention, but the content of the present invention is not limited thereto.

Example

Preparation Example 1: Preparation of Acrylic Adhesive Resin I

42 parts by weight of urethane acrylate oligomer (functionality 6, molecular weight about 2,600, viscosity about 70,000 cps (25°C, purchased from Miwon Specialty Chemical Co., Ltd., Korea)), 4.5 The pentaerythritol triacrylate (PETA) of weight part, the dipentaerythritol hexaacrylate (DPHA) of 12 weight parts, the isobornyl acrylate (IBOA) of 3 weight parts, the photoinitiator (Chemcure-481 of 4 weight parts, purchased Acrylic binder resin I was formed after mixing and stirring for 1 hour with 24.5 parts by weight of ethyl acetate (EAC) and 10 parts by weight of n-butyl acetate (nBAC).

Preparation Example 2: Preparation of Acrylic Binder Resin II

39 parts by weight of urethane acrylate oligomer (functionality 9, molecular weight about 2,000, viscosity about 86,000 cps (25°C), purchased from Allnex, USA), 4.5 parts by weight of pentaerythritol triacrylate (PETA), 10.5 parts by weight Parts of dipentaerythritol hexaacrylate (DPHA), 4.5 parts by weight of hexanediol diacrylate (HDDA), 1.5 parts by weight of 2-phenoxyethyl acrylate (PHEA), 3.5 parts by weight of photoinitiator (Chemcure-481, purchased from Hengqiao Industry, Taiwan), 0.5 parts by weight of photoinitiator (TR-PPI-one, purchased from Qiangli New Materials, Hong Kong), 24.5 parts by weight of ethyl acetate (EAC) and 10 Parts by weight of n-butyl acetate (nBAC) were mixed and stirred for 1 hour to form the acrylic binder resin II.

Example 1: Preparation of High Haze Antiglare Film

200 parts by weight of acrylic binder resin I, 26 parts by weight of amorphous silica microparticles (Nipsil ^® SS-50F, average particle size 2.2 μm, BET specific surface area 85 m ² /g, purchased from Tosoh Silicon Chemical Co., Ltd. company, Japan), 2.2 parts by weight of dispersion liquid (DisperBYK-2150, solid content is 5%, solvent is propylene glycol methyl ether acetate and n-butyl acetate, purchased from BYK, Germany), 13 parts by weight of polyether modified Polydimethylsiloxane leveling agent (BYK-333, solid content is 10%, solvent is n-butyl acetate, purchased from BYK, Germany), 65 parts by weight of ethyl acetate (EAC) and 160 parts by weight of n-butyl acetate (nBAC), mixed and stirred evenly dispersed to form an anti-glare coating solution. Coat this anti-glare coating solution on a 60 μm triacetyl cellulose (TAC) substrate, after drying, carry out photocuring with a UV lamp with a radiation dose of 300mJ/ ^cm2 under a nitrogen atmosphere, and form on the TAC substrate. An anti-glare coating with a thickness of 5.2 μm to complete the preparation of a high haze anti-glare film.

The obtained high-haze anti-glare film was subjected to the following optical and physical property analysis, and the results are listed in Table 2 to Table 4.

Measurement of Haze: Using NDH-2000 (Nippon Denshoku Corp.), haze was evaluated according to the description of JIS K7136.

Measurement of internal and surface haze: On the surface of the anti-glare film, a TAC film (manufactured by Fujifilm Co., Ltd., T40UZ) with a thickness of 40 μm is pasted on the surface of the anti-glare film, so that the concave-convex surface of the anti-glare film becomes Flat, in this state, using NDH-2000 (Nippon Denshoku Corp.), evaluate the haze according to the description of JIS K7136 to obtain the internal haze value, and then subtract the internal haze from the overall haze value value, so as to obtain the surface haze value.

Measurement of transmittance: Using NDH-2000 (Nippon Denshoku Corp.), the transmittance was evaluated according to the description of JIS K7361.

Gloss measurement: The anti-glare film is attached to the black acrylic plate through transparent optical adhesive, and the BYK micro-gloss gloss meter is used to measure according to the description of JIS Z 8741. Select 20, 60 and 85 degree angle gloss value.

Clarity measurement: cut the anti-glare film into 5x8cm ² size, use SUGA ICM-IT image clarity meter, measure according to the description of JIS K7374, 0.125mm, 0.25mm, 0.50mm, 1.00mm and 2.00mm The values measured by the mm slit are summed.

Measurement of pencil hardness: measure the pencil hardness on the surface of the anti-glare film based on the description of JIS K 5400, apply a load of 500g by an automatic pencil hardness tester (instrument model 553-M, manufactured by Yasuda Seiki Seisakusho Company), use a scale A Mitsubishi hardness pencil with "Daily Coating Inspection and Inspection Service" is used to move the pencil at a speed of 1mm/second, and measure the pencil hardness of the anti-glare film five times. When two or more scratches are found, the hardness is judged to fail, and the maximum hardness for passing the test is recorded.

Abrasion resistance measurement: use Bon Star #0000 steel wool with a load of 500g/ ^cm2 , rub the anti-glare film 10 times at a speed of 60rpm, calculate the number of scratches on the surface, and evaluate the abrasion resistance according to the following grades

No scratches: extremely good" (◎)

Number of scratches 1 to 4: evaluated as "excellent" (○)

Number of scratches 5 to 14: evaluated as "medium" (△)

Number of scratches 15 or more: Evaluation is "poor" (×)

Changes in haze after abrasion: replace the rubbing head of 4cm, use Bon Star #0000 steel wool with a load of 500g/cm, rub the anti ^- glare film 50 times at a speed of ^30rpm , use NDH-2000 (Nippon Denshoku Corp .), the haze was evaluated according to the description of JIS K7136, and the change in haze before and after the abrasion resistance test was calculated.

Evaluation of the anti-glare performance of the anti-glare film: The anti-glare film is pasted on the black acrylic plate through transparent optical adhesive, so that two fluorescent tubes are reflected on the surface of the anti-glare film, and the degree of blurring of the fluorescent tubes is compared visually , evaluate the anti-glare property of the anti-glare film according to the following 5 grades. The anti-glare grade was judged to be Lv.5 and passed.

Lv.1: The two separated fluorescent tubes can be clearly seen, and the outline can be clearly distinguished as a straight line.

Lv.2: The two separated fluorescent tubes can be clearly seen, but the outline is slightly blurred.

Lv.3: Two separated fluorescent tubes can be seen, and the outline can be seen vaguely, but the shape of the fluorescent tube can be discerned.

Lv.4: It can be seen that there are 2 fluorescent tubes, but the shape cannot be discerned.

Lv.5: The two separated fluorescent tubes cannot be seen, nor can their shape be distinguished, which means that they have excellent anti-glare properties without glare.

Measurement of surface roughness: The anti-glare film is attached to the black acrylic plate through transparent optical adhesive, and the area of ^640x640μm2 is taken by OLYMPUS LEXT OLS5000-SAF 3D laser confocal microscope and MPLAPON20xLEXT objective lens 4 3D surface roughness images, according to ISO 25178-2:2012 surface roughness description for root mean square height (Sq), arithmetic mean height (Sa), maximum height (Sz), root mean square gradient (inclination angle) (S△q) is measured, or according to the line roughness description of ISO 4287:1997, the arithmetic mean deviation (Ra), maximum height (Rz), average width (RSm), root mean square slope (tilt angle) (R △q) was measured, each test was performed 5 times and the average value was taken.

Evaluation of sparkle resistance: Paste the anti-glare film on the screen surface of LCD BenQ EW 2780U (163 PPI) and Apple iPad 4 (264 PPI) with transparent optical adhesive, and switch the full screen of the LCD to green In the display state, visually evaluate the flickering degree of the anti-glare film from a place 50 cm vertically away from the screen surface. If there is no flickering light, it is evaluated as "extremely excellent" (◎), if there is slight flickering light but not obvious, and does not affect the display quality, it is evaluated as "excellent" (○), if there is obvious flickering light, but the display quality is in the The acceptable level is evaluated as "medium" (△), and if there is obvious flickering light and seriously affects the display quality, the evaluation is "poor" (×).

Examples 2 to 8: Preparation of high haze antiglare film

Examples 2 to 8 use the same method as Example 1 to prepare high-haze anti-glare films, except that amorphous silica particles with different average particle sizes and different dosages are used to produce high-haze anti-glare films as shown in Table 1. glare film. The amorphous silica used in each example is as follows: Silica with an average particle size of 4.0 μm: Nipsil ^® SS-50B, with a BET specific surface area of 80 m ² /g; Silicon dioxide with an average particle size of 5.5 μm: Nipsil ^® SS- 50C, BET specific surface area 80m ² /g; silicon dioxide with average particle size 6.5μm: Nipsil ^® SS-178B, BET specific surface area 70m ² /g.

The optical and physical properties of the high-haze antiglare films obtained in Examples 2 to 8 were evaluated according to Example 1, and the results are shown in Tables 2 to 4.

Example 9: Preparation of High Haze Antiglare Film

200 parts by weight of acrylic binder resin I and 24.8 parts by weight of amorphous silica microparticles ( ^Nipsil SS-50B, with an average particle size of 4 μm and a BET specific surface area of 80 m ² /g were purchased from Tosoh Silicon Chemical Co., Ltd. , Japan), 8.3 parts by weight of organic particles (SSX-102, polymethyl methacrylate (PMMA) particles, average particle size 2.0 μm, refractive index 1.49, purchased from Sekisui Chemical Industry, Japan), 2.2 parts by weight of Dispersion (DisperBYK-2150), 13 parts by weight of polyether modified polydimethylsiloxane leveling agent (BYK-333), 65 parts by weight of ethyl acetate (EAC) and 160 parts by weight of n-butyl acetate Ester (nBAC), mixed and stirred evenly dispersed to form an anti-glare coating solution. Coat this anti-glare coating solution on a 60 μm triacetyl cellulose (TAC) substrate, after drying, carry out photocuring with a UV lamp with a radiation dose of 300mJ/ ^cm2 under a nitrogen atmosphere, and form on the TAC substrate. An anti-glare coating with a thickness of 6.4 μm to complete the preparation of a high haze anti-glare film.

The optical and physical properties of the obtained high-haze anti-glare film were analyzed as in Example 1, and the results are listed in Table 2 to Table 4.

Example 10: Preparation of High Haze Antiglare Film

Example 10 uses the same method as Example 9 to prepare a high-haze anti-glare film, except that 16.5 parts by weight of amorphous silica particles (Nipsil ^® SS-50B) and 16.5 parts by weight of organic particles (SSX-102) are used , and formed an anti-glare coating with a thickness of 5.6 μm on the TAC substrate to complete the preparation of a high haze anti-glare film.

The optical and physical properties of the obtained high-haze anti-glare film were analyzed as in Example 1, and the results are listed in Table 2 to Table 4.

Example 11: Preparation of High Haze Antiglare Film

Example 11 A high-haze anti-glare film was prepared using the same method as in Example 10, except that 200 parts by weight of acrylic binder resin II was used, and an anti-glare coating with a thickness of 5.2 μm was formed on the TAC substrate. Completed the preparation of a high haze anti-glare film.

The optical and physical properties of the obtained high-haze anti-glare film were analyzed as in Example 1, and the results are listed in Table 2 to Table 4.

Comparative Examples 1 to 2: Preparation of anti-glare film

Comparative Example 1 uses the same method as in Example 1 to prepare a high-haze anti-glare film, except that 23.5 parts by weight of spherical polystyrene particles (XX-40IK, with an average particle size of 3 μm and a refractive index of 1.59, purchased from Sekisui Chemical Co., Ltd. company, Japan), and formed an anti-glare coating with a thickness of 4.1 μm on the TAC substrate to complete the preparation of an anti-glare film.

Comparative Example 2 uses the same method as in Example 1 to prepare a high-haze anti-glare film, except that 16.5 parts by weight of true spherical silica particles (SUNSPHERE ^® H-31, average particle diameter 3.0 μm, refractive index 1.45, purchased from AGC Si-Tech Co., Ltd., Japan), and formed an anti-glare coating with a thickness of 8.6 μm on the TAC substrate to complete the preparation of an anti-glare film.

The antiglare film obtained in Comparative Examples 1 to 2 was analyzed according to Example 1 for optical and physical properties, and the results are listed in Tables 2 to 4.

It can be seen from Table 2 that the high-haze anti-glare films obtained in Examples 1 to 8 are composed of amorphous silica particles in the anti-glare coating to form a concave-convex surface with multiple irregular protrusions, and the concave-convex surface has a high total haze. And low internal haze, exhibiting excellent anti-glare properties and excellent performance in the evaluation of high PPI anti-flicker. The high-haze anti-glare films obtained in Examples 9 to 11 contained amorphous silica particles and organic particles in the anti-glare coating, and also exhibited excellent anti-glare properties and were excellent in the evaluation of high PPI anti-glare properties. The anti-glare films obtained in Comparative Examples 1 and 2 were anti-glare films using spherical microparticles, and the spherical microparticles increased the lens effect on the surface and decreased the anti-glare property.

The surface roughness analysis of the high-haze antiglare films obtained in Examples 1 to 11 is shown in Table 3. The concave-convex surface of the anti-glare coating of the high-haze anti-glare film obtained in Examples 1 to 11 has complex protrusions, and these protrusions have a smaller average width and a larger root-mean-square slope, which can show its The irregular shape of the protrusions on the surface of the anti-glare coating can further increase the anti-glare property.

The high-haze anti-glare films obtained in Examples 1 to 11 were tested for pencil hardness, abrasion resistance, and haze change after abrasion, and the results are all excellent, as shown in Table 4. The antiglare films obtained in Examples 1 to 11 have good pencil hardness, and are excellent in abrasion resistance and haze change after abrasion.

Example 12: Preparation of high haze anti-glare and anti-reflection film

Prepare a low refractive index layer solution. 42.6 parts by weight of fluorine- and acrylate-modified polysiloxane resin (X-12-2430C, purchased from Shin-Etsu Chemical Industry, Japan), 42.6 parts by weight of 6-functionality fluorinated polyurethane oligomer (LR6000 , purchased from Miwon, South Korea), 5.6 parts by weight of photoinitiator (KIP-160, purchased from IGM Resin, Netherlands), 61.1 parts by weight of (meth)acrylic acid modified with perfluoropolyether functional group The mixture of organosilicon compound (X-71-1203E, solid content is 20%, solvent is methyl ethyl ketone, purchased from Shinetsu Chemical Industry, Japan), 524 parts by weight of Empty silicon dioxide nanoparticle dispersion sol (Thrulya 4320, solid content is 20%, average particle diameter is 60 nanometers, and solution is methyl isobutyl ketone, purchased from Nikke Catalyst Chemicals, Japan) and 7194 parts by weight of acetic acid Ethyl ester (EAC) is mixed and stirred evenly to form a low refractive index layer solution.

A high-haze antiglare film 6-1 was prepared in the same manner as in Example 6, except that the leveling agent BYK-333 was replaced by a recoatable leveling agent (BYK-3535, with a solid content of 10%, and a solvent of n-Butyl acetate, purchased from BYK, Germany).

The low refractive index layer solution was coated on the antiglare coating of the high haze antiglare film 6-1, dried at 80°C, and then irradiated with a UV lamp with a radiation dose of 300mJ/ ^cm2 under a nitrogen atmosphere. solidify. A low refractive index layer with a thickness of about 0.13 μm can be formed on the antiglare coating of the high haze antiglare film 6-1 to form an antiglare and antireflection film.

The obtained high-haze anti-glare and anti-reflection film was subjected to optical measurement and surface evaluation as in Example 1 and the following, and the results are listed in Table 5.

Reflectance measurement: prepare high-haze anti-glare anti-reflection film on a black acrylic plate, and use HITACHI U-4150 spectrometer to measure the average reflectance of the anti-glare anti-reflection film in the wavelength range of 380-780nm at 5 degrees , The measurement of the average reflectance of the diffuse and specular reflection of the SCI mode and the diffuse average reflectance of the SCE mode.

Measurement of water contact angle: Paste the high-haze anti-glare anti-reflective film on the stage, use Surface Electro Optics (SEO) Phoenix-150 contact angle measuring instrument, add 1 drop of about 0.01 ml of water each time way to measure.

Example 13: Preparation of high-haze anti-glare and anti-reflection film

A low refractive index layer solution was prepared using the same method as in Example 12. A high-haze antiglare film 7-1 was prepared in the same manner as in Example 7, except that the leveling agent BYK-333 was replaced by the recoatable leveling agent BYK-UV3535. Coat the low-refractive index layer solution on the anti-glare coating of the high-haze anti-glare film 7-1, dry at 80°C, and then photocure with a UV lamp with a radiation dose of 300mJ/ ^cm2 under a nitrogen atmosphere . A low refractive index layer can be formed on the antiglare coating of the high haze antiglare film 7-1 to form a high haze antiglare antireflection film.

The obtained antiglare and antireflection film was carried out as in Example 1 and the following optical measurement and surface evaluation, and the results are listed in Table 5

Example 14: Preparation of high-haze anti-glare and anti-reflection film

Use the same method as in Example 12 to prepare a low-refractive index layer solution, and prepare a high-haze anti-glare film 8-1 in the same way as in Example 8, except that the leveling agent BYK-333 is replaced by a recoatable fluid Leveling agent BYK-UV3535. Coat the low-refractive index layer solution on the anti-glare coating of the high-haze anti-glare film 8-1, dry at 80°C, and then photocure with a UV lamp with a radiation dose of 300mJ/ ^cm2 under a nitrogen atmosphere . A low refractive index layer can be formed on the antiglare coating of the high haze antiglare film 8-1 to form a high haze antiglare antireflection film.

The obtained antiglare and antireflection film was carried out as in Example 1 and the following optical measurement and surface evaluation, and the results are listed in Table 5

The high-haze anti-glare anti-reflection films obtained in Examples 12 to 14 were subjected to optical measurement and surface evaluation, as shown in Table 5, wherein the 5-degree angle average reflection of the high-haze anti-glare anti-reflection films prepared in Examples The rate (%) is only between 0.01% and 0.03%, and the average reflectance of SCI is between 1.71% and 2.22%, which can provide excellent anti-reflection function.

After forming a low refractive index layer on the anti-glare coating, the high-haze anti-glare film of the present invention can not only maintain the original anti-glare and anti-glare properties, but also provide anti-reflection function.

Although the present invention has been disclosed as above with the embodiments, it is not intended to limit the present invention. Anyone skilled in this art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be defined by the appended patent application scope.

Claims (17)

A high haze anti-glare film, comprising: a transparent substrate; and an anti-glare coating formed on the transparent substrate, the anti-glare coating comprising an acrylic binder resin and a plurality of amorphous silicon dioxide Microparticles, wherein the amorphous silica microparticles of the anti-glare coating form a plurality of irregular convex concave-convex surfaces on the surface of the anti-glare coating, and the arithmetic mean deviation of the line roughness of the concave-convex surfaces (Ra ) is between 0.15 μm and 1.5 μm, and the average width (RSm) is between 5 μm and 20 μm, wherein Ra and RSm satisfy the relationship: 1.8<(Ra x 100)/RSm<10, and the irregular convex The inclination angle (root mean square slope, R△q) is between 15° and 50°; wherein, the high-haze anti-glare film has a total haze (Ht) greater than 20%, and the total haze (Ht) is the sum of the surface haze (Hs) of the high haze antiglare film and the internal haze (Hi) of the high haze antiglare film, and the internal haze (Hi) and the total haze (Ht) satisfies the relational formula: 0.01<Hi/Ht<0.25. The high-haze anti-glare film according to claim 1, wherein the average particle size of the amorphous silicon dioxide particles in the anti-glare coating is between 2.0 μm and 10 μm, and the BET specific surface area is Between 60m ² /g and 100m ² /g. The high-haze anti-glare film according to claim 2, wherein the average particle size of the amorphous silicon dioxide particles in the anti-glare coating is between 2.0 μm and 8.0 μm. The high-haze anti-glare film according to claim 1, wherein the amount of the amorphous silica microparticles is between 8 parts by weight and 35 parts by weight per hundred parts by weight of the acrylic binder resin. The high-haze anti-glare film according to claim 4, wherein the amount of the amorphous silica microparticles is between 10 parts by weight and 30 parts by weight per hundred parts by weight of the acrylic binder resin. The high-haze anti-glare film according to claim 1, wherein the thickness of the anti-glare coating is between 2.0 μm and 12 μm. Such as the high haze anti-glare film of claim 1, wherein the anti-glare coating further comprises a plurality of spherical organic micro-particles, the spherical organic micro-particles are monodisperse, and the average particle diameter of the spherical organic micro-particles is smaller than the used non-glare The average particle size of shaped silica particles. The high-haze anti-glare film according to claim 7, wherein the amount of the organic microparticles is between 5 parts by weight and 25 parts by weight per hundred parts by weight of the acrylic binder resin. Such as the high haze anti-glare film of claim 7, wherein relative to the acrylic binder resin per hundred parts by weight, the total amount of the organic microparticles and the amorphous silica microparticles is between 15 wt. parts to 35 parts by weight, and the weight ratio of the organic microparticles to the amorphous silica microparticles is between 0.2 and 2.0. A high haze anti-glare film, comprising: a transparent substrate; and an anti-glare coating formed on the transparent substrate, the anti-glare coating comprising an acrylic binder resin, a plurality of amorphous silicon dioxide Microparticles and a plurality of spherical organic microparticles, the average particle diameter of these spherical organic microparticles is smaller than the average particle diameter of the amorphous silica microparticles used; wherein, the high-haze anti-glare film has a total haze (Ht ), the total haze (Ht) is the surface haze (Hs) of the high haze anti-glare film and the internal haze of the high haze anti-glare film (Hi), and the internal haze (Hi) and the total haze (Ht) conform to the relational formula 0.01<Hi/Ht<0.25. The high-haze anti-glare film as claimed in claim 10, wherein the amorphous silicon dioxide particles of the anti-glare coating form a plurality of irregular convex concave-convex surfaces on the surface of the anti-glare coating, and the lines on the concave-convex surface The arithmetic average deviation (Ra) of roughness is between 0.15μm and 1.5μm, and the average width (RSm) is between 5μm and 20μm, where Ra and RSm satisfy the relationship: 1.8<(Ra x 100)/RSm< 10, and the inclination angle (root mean square slope, RΔq) of these irregular protrusions is between 15° and 50°. Such as the high haze anti-glare film of claim 10, wherein per hundred parts by weight of the acrylic binder resin, the amount of these organic microparticles is between 5 parts by weight and 25 parts by weight, wherein these organic microparticles and The total amount of the amorphous silica microparticles used is between 15 parts by weight and 35 parts by weight, and the weight ratio of the organic microparticles to the amorphous silica microparticles is between 0.2 and 2.0 . A high-haze anti-glare anti-reflection film, which comprises the high-haze anti-glare film according to claim 1 and a low-refractive layer formed on the anti-glare coating of the high-haze anti-glare film, wherein the high-fog The 5-degree angle average reflectance of the high-degree anti-glare anti-reflection film is not more than 0.15%, and the diffuse and specular average reflectance of SCI (Specular Component Include) and the diffuse average reflectance of SCE (Specular Component Exclude) are not more than 2.5%. The high-haze anti-glare anti-reflection film according to claim 13, wherein the refractive index of the low-refractive layer is not greater than 1.4. The high-haze anti-glare anti-reflection film as claimed in claim 13, wherein the low-refractive layer comprises a binder resin, a plurality of hollow silicon dioxide nanoparticles and a (methyl) compound with perfluoropolyether functional groups. Leveling agent for acrylic modified organosilicon compound. The high-haze anti-glare anti-reflection film according to claim 15, wherein the binder resin of the low-refractive layer is (meth)acrylic resin or polysiloxane resin modified by fluorine and acrylate. Such as the high haze anti-glare anti-reflection film of claim 13, the water contact angle on its surface is greater than 90°.