CN106574991B - Antiglare film and image display device - Google Patents
Antiglare film and image display device Download PDFInfo
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- CN106574991B CN106574991B CN201580041849.6A CN201580041849A CN106574991B CN 106574991 B CN106574991 B CN 106574991B CN 201580041849 A CN201580041849 A CN 201580041849A CN 106574991 B CN106574991 B CN 106574991B
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- antiglare
- antiglare layer
- weight
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Classifications
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- G—PHYSICS
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- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133502—Antiglare, refractive index matching layers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K59/8792—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. black layers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention, which provides, a kind of to be able to maintain that anti-glare and the transparency and further suppresses the antiglare film of flashing.Antiglare film of the invention has: transparent substrate；With antiglare layer of the configuration at least one face of the transparent substrate, wherein, the antiglare layer is male and fomale(M&F) with the surface of the transparent substrate opposite side, the equispaced Sm of the male and fomale(M&F) is 150 μm~350 μm, the average slope angle θ a of the male and fomale(M&F) is 0.1 °~2.5 °, and the arithmetic mean surface roughness Ra of the male and fomale(M&F) is 0.05 μm~0.5 μm.
Description
Technical field
The present invention relates to a kind of antiglare film and image display devices.
The prior art
In the past, in image display device, in order to prevent as the reflection of outer light, as mirror etc. caused by contrast drop
It is low, antiglare film is used sometimes.In recent years, with the high-definition of image display device, create the problem that generation by antiglare film
Caused flashing (glittering；sparkling).Specifically, in the figure that pervious antiglare film is applied to high-resolution
In the case where as display device, the brightness disproportionation in the presence of pixel is emphasised, to be easy to produce flashing.
As the technology to solve the above problems, the technology for being improved the internal haze of antiglare film is proposed.However, with regard to the technology
For, with the further high-definition required in recent years, it is necessary to further increase internal haze, come from the viewpoint of the transparency
The anxiety of unsuitable practical application is seen.
In addition, configuring the image display device, such as of the composition of thicker glass etc. for the back side in antiglare film
It is required that the image display device (such as display, instrument panel display device of auto navigation etc.) of the vehicular applications of heat resistance and
The problem of speech, above-mentioned flashing, becomes more significant.
So, it is desirable that applied in the image display device for requiring high-definition and heat resistance and be able to maintain that anti-glare
With the transparency and further suppress the antiglare film of flashing.
Existing technical literature
Patent document
Patent document 1: Japanese Patent Laid-Open 2014-09456 bulletin
Summary of the invention
Problem to be solved by the invention
The present invention be it is completed to solve the above problems, its purpose is to provide one kind to require high-definition and resistance to
Also anti-glare and the transparency and the antiglare film for further suppressing flashing are able to maintain that in hot image display device.
Technical means to solve problem
Antiglare film of the invention has: transparent substrate；It is anti-dazzle at least one face of the transparent substrate with configuring
Layer, wherein the antiglare layer is male and fomale(M&F) with the surface of the transparent substrate opposite side, and the equispaced Sm of the male and fomale(M&F) is
150 μm~350 μm, the average slope angle θ a of the male and fomale(M&F) is 0.1 °~2.5 °, the arithmetic mean surface roughness of the male and fomale(M&F)
Ra is 0.05 μm~0.5 μm.
In one embodiment, concave-convex equispaced Sm, average slope angle θ a and the male and fomale(M&F) in above-mentioned male and fomale(M&F)
Arithmetic mean surface roughness Ra show following relationships: 0≤Ra/Sm × a × 1000≤4 θ.
In one embodiment, above-mentioned antiglare layer includes adhesive resin and particle, and the weight average particle diameter of the particle is 1 μm
~10 μm.
In one embodiment, it is 1 that the containing ratio of above-mentioned particle, which is relative to above-mentioned 100 parts by weight of adhesive resin,
Parts by weight~9 parts by weight.
In one embodiment, above-mentioned antiglare layer includes coherency filler.
In one embodiment, above-mentioned coherency filler is organic clay.
In one embodiment, above-mentioned antiglare layer with a thickness of 3 μm~15 μm.
In one embodiment, antiglare film of the invention is further equipped with middle layer, which is formed in above-mentioned
It between bright substrate and above-mentioned antiglare layer and include at least part and/or the adhesive tree for constituting the material of the transparent substrate
At least part of rouge, wherein the thickness of the middle layer is relative to the antiglare layer with a thickness of 0.1%~123%.
According to another aspect of the present invention, a kind of image display device is provided.The image display device has above-mentioned anti-dazzle
Film and image-display units, wherein the gap of the antiglare film and image-display units is 100 μm~700 μm.
Invention effect
In accordance with the invention it is possible to a kind of antiglare film be provided, by having the antiglare layer with male and fomale(M&F), and the bumps
Face have specific equispaced Sm, average slope angle θ a and arithmetic mean surface roughness Ra, be able to maintain that anti-glare and thoroughly
Bright property and further suppress flashing.Antiglare film especially of the invention is in the image display dress for requiring high-definition and heat resistance
It is particularly useful in setting.
Detailed description of the invention
Fig. 1 is the schematic sectional view of the antiglare film of an embodiment of the invention.
Fig. 2 is the schematic sectional view of the antiglare film of another embodiment of the invention.
Fig. 3 is the schematic sectional view of the image display device of an embodiment of the invention.
Specific embodiment
A. antiglare film
Fig. 1 is the schematic sectional view of the antiglare film of an embodiment of the invention.The antiglare film 100 has: transparent base
Material 10；With antiglare layer 20 of the configuration at least one face of transparent substrate 10.Transparent substrate 10 is typically by resin film
It constitutes.Antiglare layer 30 is typically to apply antiglare layer formation on resin film to be formed with composition.Group is used in antiglare layer formation
Closing object includes adhesive resin (or precursor of adhesive resin) and particle, is formed by such antiglare layer formation composition
Antiglare layer 30 includes adhesive resin and particle.Antiglare layer 20 is male and fomale(M&F) with the surface of 10 opposite side of transparent substrate, and
And there is specific surface shape like that as described later.Furthermore, it is noted that, for the ease of observation, in illustrated example relative to
The concave-convex size of the thickness of each layer is to be different from practically being recorded.Furthermore although it is not shown, but antiglare film can also be
Antiglare layer is further equipped with anti-reflecting layer with the face of transparent substrate opposite side.Anti-reflecting layer can pass through optional proper method
To be formed.
Fig. 2 is the schematic sectional view of the antiglare film of another embodiment of the invention.Antiglare film 100' has: transparent
Substrate 10；Antiglare layer 30 with configuration in at least unilateral side of transparent substrate 10, wherein between transparent substrate 10 and antiglare layer 30
It is formed with middle layer 1.As described above, transparent substrate 10 is made of resin film.Antiglare layer 30 be typically
Antiglare layer formation is applied on resin film to be formed with composition.Antiglare layer formation with composition include adhesive resin (or bonding
The precursor of agent resin) and particle, by the antiglare layer 30 that such antiglare layer formation composition is formed include adhesive resin and
Particle.Middle layer 1 is typically that antiglare layer formation is infiltrated into above-mentioned resin film with composition and formed.On resin film
Leachable formed to antiglare layer of the material that coating antiglare layer formation when forming antiglare layer, constitutes above-mentioned resin film with composition is used
In composition.The part for constituting the material dissolution of resin film like this and being formed also corresponds to middle layer 1.That is, middle layer 1 can
At least part of adhesive resin contained at least part and antiglare layer 30 comprising the material for constituting transparent substrate 10.
Middle layer 1 or constitute transparent substrate 10 material and antiglare layer 30 contained in adhesive resin compatible (mixing) and shape
At layer.In addition, middle layer 1 is the layer contacted with both transparent substrate 10 and antiglare layer 20.
The thickness of above-mentioned antiglare film is preferably 15 μm~500 μm, more preferably 25 μm~300 μm, further preferably 30 μ
M~100 μm.
B. antiglare layer
As described above, a surface of antiglare layer is male and fomale(M&F).The equispaced Sm of the male and fomale(M&F) is 150 μm~350 μm,
Preferably 160 μm~300 μm, more preferably 180 μm~250 μm.
The average slope angle θ a of above-mentioned male and fomale(M&F) be 0.1 °~2.5 °, preferably 0.2 °~2.0 °, more preferably 0.3 °~
1.5°。
The arithmetic mean surface roughness Ra of above-mentioned male and fomale(M&F) be 0.05 μm~0.5 μm, preferably 0.08 μm~0.3 μm,
More preferably 0.1 μm~0.25 μm.
Furthermore the definition of the equispaced Sm, average slope angle θ a, arithmetic surface roughness Ra of male and fomale(M&F) are based on JIS
B 0601 (version in 1994).In addition, these characteristic values can using contact pin type surface roughness measurement device (such as small slope study it is made
The high-precision fine shape analyzer made, trade name " Surfcorder ET4000 ") it is measured.Furthermore average slope angle
θ a is by θ a=tan-1Value defined in this formula of Δ a.Δ a by defined in JIS B 0601 (version in 1994) roughness
(total (the h1+h2+h3+ ...+hn) of height h) is divided by thick for the difference of the minimum point on the vertex and recess portion of adjacent protrusion in curve
It is worth obtained from the datum length L of roughness curve, that is, indicated by Δ a=this formula of (h1+h2+h3+ ...+hn)/L.
Antiglare film of the invention pass through have it is (the equispaced Sm of male and fomale(M&F), average with surface shape as described above
Tiltangleθ a, arithmetic surface roughness Ra) antiglare layer, be able to maintain that excellent anti-glare and the transparency and inhibit to flash.
It is all set to above range especially by by equispaced Sm, average slope angle θ a and arithmetic surface roughness Ra,
The back side of antiglare film configures thicker optical component (such as glass, polarizing film, phase difference film), shows to depending on recognizing face and image
The longer image display device of distance of unit (such as liquid crystal cells) can also obtain flashing inhibitory effect.The surface of antiglare layer
Shape for example can be between the partial size by the type of particle contained in antiglare layer, partial size and/or content, antiglare layer and particle
Relationship, the type of coherency filler (being hereinafter described) and/or content, antiglare layer formed with solid component concentration of composition etc.
To be controlled.
It is preferred that the equispaced Sm (μm) of male and fomale(M&F), average slope angle θ a (°) and arithmetic surface roughness Ra (μm) display
This relationship of 0≤Ra/Sm × a × 1000≤4 θ out more preferably shows this relationship of 0.1≤Ra/Sm × a × 1000≤3 θ,
Further preferably show this relationship of 0.15≤Ra/Sm × a × 1000≤2 θ.By by equispaced Sm (μm), averagely incline
The relationship of bevel angle θ a (°) and arithmetic surface roughness Ra (μm) is set as above-mentioned specific relationship, and effect of the invention becomes more
Significantly.
The thickness of above-mentioned antiglare layer is preferably 3 μm~15 μm, more preferably 4 μm~13 μm, further preferably 5 μm~12
μm.If such range, then it can obtain and be not easy to interfere the visibility of image display device (also referred to as visual, vision is distinguished
Recognizing property) antiglare film.In addition, the good antiglare layer of concaveconvex shape can be made by the combination with following particles.
The mist degree of above-mentioned antiglare layer is preferably less than 40%, more preferably 35% hereinafter, further preferably 10%~
30%.In accordance with the invention it is possible to obtain following antiglare film: the transparency of antiglare layer will not be damaged, that is, antiglare layer will not be made
Mist degree rises, and has excellent anti-glare, and it is excellent to flash inhibitory effect.Mist degree can be according to JIS K 7136 (version in 2000)
To be measured.
The refractive index of above-mentioned adhesive resin is preferably 1.2~2.0, and more preferably 1.3~1.9, further preferably 1.3
~1.8, particularly preferably 1.4~1.7.If such range, then because of the relationship of the refractive index (being hereinafter described) with particle, energy
It is enough to form the antiglare layer with preferred external mist degree.So-called " refractive index of adhesive resin " refers in antiglare layer by adhesive
The refractive index in the region that resin is constituted is equivalent to and assumes that there is no the refractive index of antiglare layer when particle.
Above-mentioned antiglare layer preferably comprises adhesive resin and particle.The antiglare layer is, for example, in the resin for constituting transparent substrate
It is coated with antiglare layer formation composition on film, the composition is made to solidify to be formed later.Antiglare layer formation composition can wrap
Containing curability compound, above-mentioned particle etc..
Above-mentioned adhesive resin is derived from the resin of curability compound, as the resin, such as can enumerate: heat cure
Property resin, active energy ray-curable resin etc..
Preferably, above-mentioned antiglare layer formation is with composition comprising polyfunctional monomer, from the oligomer of polyfunctional monomer
And/or the prepolymer from polyfunctional monomer is as the curability compound for becoming principal component.As polyfunctional monomer, such as can
Enumerate polyfunctional acrylic ester system monomer.Specifically, can enumerate: Tricyclodecane Dimethanol diacrylate, Ji Wusi
Alcohol two (methyl) acrylate, pentaerythrite three (methyl) acrylate, trimethylolpropane trimethacrylate, pentaerythrite four
(methyl) acrylate, dihydroxy methylpropane tetraacrylate, dipentaerythritol six (methyl) acrylate, 1,6-HD
(methyl) acrylate, 1,9- nonanediol diacrylate, 1,10- decanediol (methyl) acrylate, two (first of polyethylene glycol
Base) acrylate, polypropylene glycol two (methyl) acrylate, dipropylene glycol diacrylate, cyamelide three (methyl) third
Olefin(e) acid ester, ethoxylated glycerol triacrylate, ethoxylation pentaerythritol tetraacrylate etc..Polyfunctional monomer can individually make
With multiple combinations can also be used.
Above-mentioned polyfunctional monomer can have hydroxyl.It is used if being formed using the antiglare layer comprising the polyfunctional monomer with hydroxyl
Composition then can be improved the adaptation of transparent substrate and antiglare layer.As the polyfunctional monomer with hydroxyl, such as can enumerate
Out: pentaerythrite three (methyl) acrylate, Dipentaerythritol Pentaacrylate etc..
About containing for above-mentioned polyfunctional monomer, the oligomer from polyfunctional monomer and the prepolymer from polyfunctional monomer
There is ratio, relative to the total amount of monomer, oligomer and prepolymer in antiglare layer formation composition, preferably 10 weight %
~100 weight %, the more preferably 30 weight % of weight %~100, further preferably 40 weight of weight %~95 %, it is especially excellent
It is selected as 50 weight of weight %~95 %.
Above-mentioned antiglare layer formation composition can also further contain monofunctional monomer.As monofunctional monomer, such as can
Enumerate: ethoxylation o-phenyl phenol (methyl) acrylate, methoxy poly (ethylene glycol) (methyl) acrylate, phenoxy group are poly-
Ethylene glycol (methyl) acrylate, 2-EHA, lauryl acrylate, Isooctyl acrylate monomer, the different tristearin of acrylic acid
Ester, cyclohexyl acrylate, acrylic acid isophorone ester, benzyl acrylate, acrylic acid 2- hydroxyl -3- benzene oxygen ester, acryloyl group
Quinoline, (methyl) acrylic acid 2- hydroxy methacrylate, (methyl) acrylic acid 4- hydroxybutyl, hydroxyethyl acrylamide etc..
Above-mentioned monofunctional monomer can have hydroxyl.It as the monofunctional monomer with hydroxyl, such as can enumerate: (methyl)
Acrylic acid 2- hydroxy methacrylate, (methyl) acrylic acid 2- hydroxy propyl ester, (methyl) acrylic acid 4- hydroxybutyl, acrylic acid 2- hydroxyl-
(methyl) acrylic acid hydroxy alkyl esters such as 3- benzene oxygen ester, 1,4- cyclohexane methanol mono acrylic ester；N- (2- ethoxy) (methyl) third
Acrylamide, N- methylol (methyl) acrylamide etc. N- (2- hydroxyalkyl) (methyl) acrylamide etc..Wherein, preferably acrylic acid
4- hydroxybutyl, N- (2- ethoxy) acrylamide.
Above-mentioned antiglare layer formation composition can also contain carbamate (methyl) acrylate and/or carbamate
The oligomer of (methyl) acrylate.Carbamate (methyl) acrylate for example can by make (methyl) acrylic acid or by
(methyl) acrylate is reacted to obtain with polyalcohol (methyl) crylic acid hydroxy ester obtained with diisocyanate.Ammonia
The oligomer of carbamate (methyl) acrylate and carbamate (methyl) acrylate can be used alone, can also will be a variety of
It is applied in combination.
It as above-mentioned (methyl) acrylate, such as can enumerate: (methyl) methyl acrylate, (methyl) acrylic acid second
Ester, (methyl) isopropyl acrylate, (methyl) butyl acrylate, (methyl) cyclohexyl acrylate etc..
It as above-mentioned polyalcohol, such as can enumerate: ethylene glycol, 1,3-PD, 1,2-PD, diethylene glycol, two
Propylene glycol, neopentyl glycol, 1,3 butylene glycol, 1,4- butanediol, 1,6-HD, 1,9- nonanediol, 1,10- decanediol, 2,2,
4- trimethyl -1,3- pentanediol, 3- methyl-1,5- pentanediol, hydroxy new pentane acid neopentyl glycol ester, tristane dihydroxymethyl,
1,4- cyclohexanediol, spiral shell glycol, hydrogenated bisphenol A, ethyleneoxide addition bisphenol-A, propylene oxide addition bisphenol-A, trihydroxy methyl second
Alkane, trimethylolpropane, glycerol, 3- methylpentane -1,3,5- triol, pentaerythrite, dipentaerythritol, tripentaerythritol, Portugal
Grape carbohydrate etc..
As above-mentioned diisocyanate, such as aromatic series, aliphatic or alicyclic various diisocyanates can be used.
As the specific example of above-mentioned diisocyanate, can enumerate: tetramethylene diisocyanate, hexamethylene diisocyanate,
Isophorone diisocyanate, 2,4 toluene diisocyanate, 4,4- diphenyl diisocyanate, 1,5- naphthalene diisocyanate,
3,3- dimethyl -4,4- diphenyl diisocyanate, xylene diisocyanate, trimethyl hexamethylene diisocyanate, 4,
4- methyl diphenylene diisocyanate and their hydride etc..
As described above, antiglare layer includes particle.By the inclusion of the particle, male and fomale(M&F) can be made in anti-glare layer surface.Separately
Outside, the haze value of antiglare layer can be controlled.It as above-mentioned particle, such as can enumerate: inorganic particulate, organic filler etc..As
The specific example of inorganic particulate, such as can enumerate: silicon oxide particle, Titanium particles, aluminium oxide particles, zinc oxide particles,
Tin oxide particles, calcium carbonate particle, barium sulfate particles, talc particles, kaolin particle, sulfuric acid calcium particle etc..As organic grain
The specific example of son, such as can enumerate: plexiglass particle (PMMA particle), polyorganosiloxane resin grain
Son, styrene resin beads, polycarbonate resin particle, acrylate styrene resin particle, benzoguanamine resin particle,
Melamine resin particle, polyolefin resin particle, polyester resin particle, polyamide particle, polyimide resin particle,
Polyfluoroethylene resin particle etc..Above-mentioned particle can be used alone, and can also use multiple combinations.
The weight average particle diameter of above-mentioned particle is preferably 1 μm~10 μm, more preferably 2 μm~7 μm.If such range, then
It is more excellent and the anti-glare film of white blur can be prevented that anti-glare can be obtained.The weight average particle diameter of particle can pass through Kurt
Counting method is measured.Furthermore in antiglare layer or in antiglare layer formation composition, above-mentioned particle can be with primary particle
Form and/or primary particle cohesion made of form exist, in the present specification, so-called " weight average particle diameter of particle " refers to nothing
By particle shape how, the equal grain of weight that antiglare layer formation is measured by coulter counter method with the particle in composition
Diameter.
The ratio between the weight average particle diameter of the thickness of above-mentioned antiglare layer and above-mentioned particle (weight average particle diameter/antiglare layer thickness of particle)
Preferably 0.3~0.9, more preferably 0.35~0.8.If such range, then it is bigger to be capable of forming flashing inhibitory effect
Antiglare layer.
The refractive index n1 of above-mentioned particle is preferably 1.1~1.9, and more preferably 1.2~1.7.As with such refraction
The particle of rate, such as can enumerate: Silicone particles, polystyrene particle, polymethyl methacrylate, styrene and methyl
The copolymer etc. of acrylic acid.In addition, the difference of the refractive index (n2) of the refractive index (n1) and above-mentioned adhesive resin of above-mentioned particle
It (n1-n2) is preferably 0.5 hereinafter, more preferably 0.3 or less.In addition, the lower limit value of (n1-n2) is preferably -0.9 or more, more
Preferably -0.8 or more.If such range, then the excellent antiglare film of the transparency can be obtained.In addition, the folding of above-mentioned particle
Penetrating the ratio between refractive index (n2) of the rate (n1) relative to adhesive resin (n1/n2) is preferably 0.8~1.2, more preferably 0.9~
1.1.If such range, then it can obtain the transparency and flash the excellent antiglare film of inhibitory effect.
The shape of above-mentioned particle is not particularly limited, such as can be substantially spherical for bead etc., or powder etc.
Indefinite shape.Preferably aspect ratio is 1.5 substantially spherical particles below, more preferably spherical particle.
In above-mentioned antiglare layer, it is preferably 0.2 weight that the containing ratio of particle, which is relative to 100 parts by weight of adhesive resin,
Part~12 parts by weight, more preferably 0.5 parts by weight~12 parts by weight, further preferably 1 parts by weight~9 parts by weight, it is especially excellent
It is selected as 1 parts by weight~7 parts by weight.If such range, then it is more excellent and white mould can be prevented can to obtain anti-glare
The anti-glare film of paste.
In above-mentioned antiglare layer formation composition, above-mentioned particle be preferably favorable dispersibility (to agglomerate less shape
State) exist.The dispersibility (degree of scatter) of particle using use Measurement of particle size distribution by laser diffraction, dynamic optical dissipate
The size distribution for penetrating the progress such as method, static light scattering method measures to be evaluated.In addition, can be by utilizing scanning electron microscope
The micro- sem observation of progress is waited to be measured.
In the size distribution by being obtained using Measurement of particle size distribution by laser diffraction to antiglare layer formation group
In the case that the dispersibility of particle in conjunction object is evaluated, D50(partial size when volume-cumulative 50%) and volume-cumulative partial size
D90The absolute value of the difference of (partial size when volume-cumulative 90%) is preferably 5 μm hereinafter, again more preferably less than 3 μm, further preferably
For lower than 1 μm, particularly preferably 0 μm more than or lower than 1 μm.If such range, then it is capable of forming with surface appropriate
The antiglare layer of shape.
In the size distribution by being obtained using Measurement of particle size distribution by laser diffraction to antiglare layer formation group
In the case that the dispersibility of particle in conjunction object is evaluated, partial size is that the containing ratio of 1 μm of particle more than or lower than 5 μm is
Total amount relative to the particle in the composition is preferably more than 50 weight %, more preferably 70 weight % or more, further excellent
It is selected as 80 weight of weight %~100 %.If such range, then the antiglare layer with surface shape appropriate is capable of forming.
Above-mentioned antiglare layer formation composition can further contain coherency filler.That is, above-mentioned antiglare layer can further contain
There is coherency filler.By agglomerating coherency filler, the concaveconvex shape of anti-glare layer surface can be body more closely controlled.More specifically
For, by adjusting the state of aggregation of above-mentioned coherency filler, can be readily available equispaced Sm with above range,
The male and fomale(M&F) of average slope angle θ a and arithmetic surface roughness Ra.The state of aggregation of coherency filler can be according to the property of the filler
(such as surface chemical modification state, to the compatibility of adhesive resin, to solvent contained in antiglare layer formation composition
Compatibility), the type of antiglare layer formation solvent contained in composition etc. is adjusted.
It as above-mentioned coherency filler, such as can enumerate: organic clay, oxidized polyolefin, modified urea etc..Wherein, excellent
It is selected as organic clay.
It as above-mentioned organic clay, such as can enumerate: smectite, talcum, bentonite, montmorillonite, kaolinite etc..Its
In, preferably smectite.Commercially available product can also be used as organic clay.As the organic clay of commercially available product, such as can enumerate:
Trade name " Lucentite SAN ", the trade name " Lucentite STN ", trade name of Co-op Chemical company manufacture
" Lucentite SEN ", trade name " Lucentite SPN ", trade name " Somasif ME-100 ", trade name " Somasif
MAE ", trade name " Somasif MTE ", trade name " Somasif MEE ", trade name " Somasif MPE "；Ho Jun corporation
Trade name " S-BEN ", trade name " S-BEN C ", trade name " S-BEN E ", the trade name " S-BEN W ", trade name " S- made
BEN P ", trade name " S-BEN WX ", trade name " S-BEN N-400 ", trade name " S-BEN NX ", trade name " S-BEN
NX80 ", trade name " S-BEN NO12S ", trade name " S-BEN NEZ ", trade name " S-BEN NO12 ", trade name " S-BEN
NE ", trade name " S-BEN NZ ", trade name " S-BEN NZ70 ", trade name " Olga Knight ", trade name " Olga
Knight D ", trade name " Olga Knight T "；Trade name " the Kunipia of KUNIMINE INDUSTRIES company manufacture
F ", trade name " Kunipia G ", trade name " Kunipia G4 "；The trade name of Rockwood Additives company manufacture
" Tixogel VZ ", trade name " CLAYTONE HT ", trade name " CLAYTONE 40 " etc..
It as above-mentioned oxidized polyolefin, such as can enumerate: the trade name " Disparlon of Nanben Chemical Company manufacture
4200-20 ", trade name " FLOWNON SA300 " of chemical company, common prosperity society manufacture etc..
Above-mentioned modified urea is the reactant of isocyanate-monomer or its addition product and organic amine.As modified urea, such as can
Enumerate the trade name " BYK410 " etc. of BYK CHEMIE company manufacture.
It is preferably 0.2 weight that the containing ratio of above-mentioned coherency filler, which is relative to above-mentioned 100 parts by weight of adhesive resin,
Part~5 parts by weight, more preferably 0.4 parts by weight~4 parts by weight.
Above-mentioned antiglare layer formation preferably comprises optional appropriate Photoepolymerizationinitiater initiater with composition.Cause as photopolymerization
Agent, such as can enumerate: 2,2- dimethoxy -2- phenyl acetophenones, acetophenone, benzophenone, xanthone, 3- methylbenzene second
Ketone, 4- chlorobenzophenone, 4,4'- dimethoxy-benzophenone, benzoin propyl ether, benzil dimethyl ketal, N, N, N', N'-
Tetramethyl -4,4'- diaminobenzophenone, 1- (4- isopropyl phenyl) -2- hydroxy-2-methyl propane -1- ketone, thioxanthones system
Close object etc..
Above-mentioned antiglare layer formation can be can be free of with composition containing solvent.Above-mentioned antiglare layer formation is preferably wrapped with composition
Containing solvent.It as solvent, such as can enumerate: the alcohols such as methanol, ethyl alcohol, isopropanol, butanol, 2-methyl cellosolve；Acetone, first
The ketones such as ethyl ketone, methyl iso-butyl ketone (MIBK), cyclopentanone；The esters such as methyl acetate, ethyl acetate, butyl acetate；Diisopropyl ether, the third two
The ethers such as alcohol monomethyl ether；The glycols such as ethylene glycol, propylene glycol；The dioxanes such as ethyl cellosolve, butyl cellosolve；Hexane, heptan
The aliphatic hydrocarbons such as alkane, octane；Benzene,toluene,xylene etc. is aromatic hydrocarbon etc..These solvents are used alone, can also will be a variety of
It is applied in combination.In the case where using the antiglare layer formation composition comprising above-mentioned organic clay, it is preferable to use toluene, ring penta
Ketone and/or dimethylbenzene are as solvent.
In one embodiment, as above-mentioned solvent, the mixed solvent comprising cyclopentanone and/or methyl ethyl ketone can be used
(such as mixed solvent comprising cyclopentanone and toluene, the mixed solvent comprising methyl ethyl ketone and toluene).If using such mixing
Solvent can then adjust the thickness of middle layer according to the containing ratio of cyclopentanone or methyl ethyl ketone.The cyclopentanone of in the mixed solvent or
It is preferably the 1 weight % of weight %~50 that the containing ratio of methyl ethyl ketone, which is relative to mixed solvent total amount, and more preferably 3 weight %~
50 weight %.The further preferably mixed solvent of cyclopentanone and toluene, can be used cyclopentanone containing ratio be 1 weight %~
The mixed solvent of 50 weight %.If can be suitable for using the antiglare layer formation composition comprising such mixed solvent
Formed on the resin film (such as tri acetyl cellulose membrane) of transparent substrate as antiglare film the middle layer of preferred thickness and
Form antiglare layer.
In one embodiment, SP (solubility parameter) value of above-mentioned solvent is preferably 7~12 (cal/cm3)1/2, more
Preferably 8~11 (cal/cm3)1/2.It then can be suitable for the resin of transparent substrate as antiglare film if such range
The middle layer of preferred thickness is formed on film (such as tri acetyl cellulose membrane) and forms antiglare layer.Furthermore SP value is to pass through
The solubility parameter that Small formula calculates.The calculating of SP value can pass through known document (such as Journal of Applied
Chemistry, 3,71,1953. etc.) documented method carries out in.In addition, in the case where solvent is mixed solvent, it should
The SP value of mixed solvent can be calculated based on the mole fraction for each solvent for constituting mixed solvent.
The solid component concentration of above-mentioned antiglare layer formation composition is preferably the 20 weight % of weight %~80, more preferably
The 25 weight % of weight %~60, further preferably 30 weight of weight %~50 %.It, then can be easily if such range
Obtain the male and fomale(M&F) of the equispaced Sm, average slope angle θ a and arithmetic surface roughness Ra with above range.
Above-mentioned antiglare layer formation composition can further contain optional suitable additives.As additive, such as can
Enumerate: even paint, antiblocking agent, dispersion stabilizer, thixotropic agent, antioxidant, ultraviolet absorbing agent, defoaming agent, thickener,
Dispersing agent, surfactant, catalyst, lubricant, antistatic agent etc..
Above-mentioned antiglare layer can by make after above-mentioned antiglare layer formation is coated on transparent substrate with composition its solidification come
It obtains.As the coating method of antiglare layer formation composition, optional proper method can be used.Such as it can enumerate: coiling
Stick rubbing method, gravure coating process, rod-type rubbing method, slot apertures formula rubbing method, curtain method, spray rubbing method, lacks rolling method
Horn ring rubbing method.
Furthermore in one embodiment, after above-mentioned antiglare layer formation is coated on transparent substrate with composition, into
Before (or in curing process) row solidification, tilt or rotate the transparent substrate for being formed with coating layer.It is formed in antiglare layer with combination
Comprising by the such operation of progress, can promote the mutual contact of coherency filler in the case where coherency filler in object, thus
Coherency filler is set suitably to agglomerate (shearing cohesion).For example, inclination angle or rotation when by adjusting above-mentioned tilting or rotating
Speed can control the state of aggregation of coherency filler.
As the curing method of above-mentioned antiglare layer formation composition, optional appropriate curing process can be used.At solidification
Reason is carried out by ultraviolet light irradiation.The accumulative light quantity of ultraviolet light irradiation is preferably 50mJ/cm2~500mJ/
cm2。
C. transparent substrate
Above-mentioned transparent substrate can be formed by resin film.As above-mentioned transparent substrate (resin film), optionally appropriate can be used
Substrate (resin film), as long as having visible light permeability.As the material for constituting above-mentioned transparent substrate (resin film), such as
Can enumerate: triacetyl cellulose (TAC), acrylic ester polymer, cyclic polyolefin, has norbornene at polycarbonate
Polyolefin, polyethylene terephthalate of structure etc..
The thickness of above-mentioned transparent substrate is preferably 10 μm~500 μm, and more preferably 20 μm~300 μm, further preferably
30 μm~100 μm.Furthermore in the case where not formed middle layer in antiglare film, the thickness of transparent substrate is equivalent to above-mentioned resin
The thickness of film.In addition, the thickness of transparent substrate is equivalent in above-mentioned resin film in the case where being formed with middle layer in antiglare film
Not formed middle layer part thickness.
The SP value for constituting the resin of above-mentioned resin film is preferably 10 (cal/cm3)1/2More than, more preferably 15 (cal/cm3)1/2
More than, further preferably 20 (cal/cm3)1/2More than.If such range, then the middle layer of suitable thickness is capable of forming.
The upper limit of the SP value of above-mentioned resin is, for example, 30 (cal/cm3)1/2Hereinafter, preferably 28 (cal/cm3)1/2Hereinafter, more preferably 25
(cal/cm3)1/2Below.In one embodiment, above-mentioned antiglare layer forms the SP value and structure of the solvent contained in composition
Difference (resin SP value-solvent SP value) at the SP value of the resin of above-mentioned resin film is preferably -10~20 (cal/cm3)1/2, more excellent
It is selected as 5~20 (cal/cm3)1/2, it is 10~15 (cal/cm3)1/2。
The refractive index of above-mentioned transparent substrate is preferably 1.30~1.80.
D. middle layer
As described above, middle layer can also be formed between transparent substrate and antiglare layer.
((the thickness a) in Fig. 2 is preferred relative to the thickness of the antiglare layer by thickness b) in Fig. 2 for the thickness of above-mentioned middle layer
It is 0.1%~123%.The thickness of middle layer and the lower limit of the ratio between the thickness of above-mentioned antiglare layer are preferably 1%, and more preferably 3%.
In addition, the upper limit of the ratio between the thickness of middle layer and thickness of above-mentioned antiglare layer is preferably 100%, more preferably 85%, further
Preferably 65%.Furthermore the thickness of middle layer, antiglare layer and transparent substrate can (such as (transmitted electron be aobvious by TEM using microscope
Micro mirror)) it observes the section of antiglare film, determine middle layer with the interface of resin layer and adhesive layer to be measured.Interface
Defined analytic approach (such as time-of-flight type secondary ion mass spectrometry) can also be used in determination.
In the present invention, by controlling as above-mentioned ratio so that the thickness of the above-mentioned middle layer formed when forming antiglare layer
Degree will not become blocked up, can obtain the flashing higher antiglare film of inhibitory effect.Even if antiglare film of the invention is applied to high definition
Clear image display device can also show excellent flashing inhibitory effect.Even if in addition, antiglare film of the invention make it is anti-dazzle
The internal haze of layer is smaller, is not easy to produce flashing, therefore the transparency is excellent.In turn, by the way that the thickness of middle layer is opposite
In the ratio set of the thickness of antiglare layer be 123% hereinafter, being capable of forming the antiglare layer of excellent scratch resistance.
In addition, by relative to the ratio set of the thickness of antiglare layer being 3% or more (more preferably by the thickness of middle layer
10% or more), above-mentioned particle dispersibility is present in antiglare layer (agglomerate less state) well, as a result, energy
It is enough to obtain the antiglare film for being able to suppress flashing.
The thickness of above-mentioned middle layer is preferably 0.1 μm~30 μm, more preferably 0.3 μm~20 μm, further preferably 1 μm
~10 μm, particularly preferably 1.5 μm~5 μm.
E. image display device
Fig. 3 is the diagrammatic sectional view for indicating a part (depending on recognizing side) of the image display device of an embodiment of the invention
Figure.Image display device 200 has antiglare film 100 and image-display units 30.It is preferred that antiglare film 100 is made at transparent substrate 10
It is configured in 30 side of image-display units.It can configure optionally appropriate between antiglare film 100 and image-display units 30
Optical component A, and defined gap X is formed between antiglare layer 10 and image-display units 30.As optical component A, example
It can such as enumerate: glass substrate, polarizing film, phase difference film, adhesive layer, adhesive phase.It is shown in antiglare film 100 and image
Between unit 30, individual optical component can configure, can also be configured multiple, a variety of optical components.
As above-mentioned image-display units, optional appropriate image-display units can be used.For example, being shown in above-mentioned image
Device is that liquid crystal cells are equivalent to image-display units in the case where liquid crystal display device, aobvious in organic EL (electroluminescent) image
In the case where showing device, organic el element is equivalent to image-display units.Liquid crystal cells typically have a pair of of substrate and match
Set the liquid crystal layer as display medium between the substrate.
The gap X of antiglare layer and image-display units in antiglare film is preferably 100 μm~700 μm.If it is thick to have comparison
Glass substrate, and gap X be 100 μm or more, then can obtain the image display device of heat resistance and excellent strength.Gap
The lower limit of X is more preferably 150 μm or more.By thickening glass substrate, the effect that heat resistance and intensity improve becomes significant.This hair
Bright antiglare film due to being also able to suppress flashing in the biggish situation of gap X, if thus using the antiglare film, can be same
Shi Shixian improves heat resistance and intensity and inhibits to flash.It, can furthermore, it is specified that the optical component of gap X is not limited to glass substrate
The optional appropriate component of configuration.It is possible to increase this effect of gap X is not limited to improve heat resistance and intensity, according to this
Invention, is also capable of providing a kind of since the restriction of thickness is smaller thus the higher image display device of design freedom.Another party
Face, if gap X be 700 μm hereinafter, if can obtain and flash less image display device.The upper limit of gap X is more preferably 650
μm or less.If gap X be 650 μm hereinafter, if can obtain the less image display device of flashing.Furthermore in so-called antiglare film
Antiglare layer and the gap X of image-display units refer to that the back side (face of image-display units side) of antiglare layer and image display are single
Member depending on recognizing distance formed by side (face of antiglare film side).Therefore, it is aobvious in antiglare film 100 and image to be equivalent to configuration by gap X
Show the total thickness (such as aggregate thickness of polarizing film, glass substrate and/or adhesive phase) of the optical component A between unit 30 and prevents
The aggregate thickness of transparent substrate (being transparent substrate and middle layer in the case where being formed with middle layer) in dizzy film.In addition,
Image-display units be liquid crystal cells in the case where, the liquid crystal cells have depending on recognize side group plate depending on recognizing side and antiglare layer
The back side distance be above-mentioned gap X.
More specifically, antiglare film of the invention may be suitably used to have the thick glass substrate of comparison (such as with a thickness of
100 μm~700 μm of glass substrate) image display device.In the past, in purposes (such as the vehicle for requiring heat resistance, intensity etc.
Purposes) in, heat resistance is improved by thickening glass substrate.However, present inventors have discovered that: with thickening glass base
Plate, that is, with above-mentioned gap X is thickeied, generated flashing increases in the case where application antiglare film.That is, of the invention is anti-dazzle
Film is the invention that can solve the project, may be suitably used to the image display device of vehicular applications.In addition, using of the invention
The effect of antiglare film becomes more significant to the image display device of high-resolution.
Above-mentioned image display device can be further containing optional appropriate component.Such as it can be further containing setting in image
Polarizing film, optical film, back lighting device of the back side of display unit etc..
Embodiment
Hereinafter, specifically describing the present invention by embodiment, however, the present invention is not limited to these examples.
Furthermore the weight average particle diameter of particle is measured by coulter counter method.Specifically, for antiglare layer shape
At with composition, using the particle size distribution device that pore electric-resistivity method is utilized (manufacture of Beckman Coulter company, quotient
The name of an article " Coulter Multisizer "), the resistance of the electrolyte of the volume for being equivalent to particle when measurement particle passes through pore,
Thus the quantity and volume for measuring particle, to calculate weight average particle diameter.
In addition, particle " | D90- D50| " refer to " Microtrac UPA (type manufactured by using Liao Jizhuan company
Number) " Measurement of particle size distribution by laser diffraction and the D that obtains50(partial size when volume-cumulative 50%) and volume-cumulative
Partial size D90The absolute value of the difference of (partial size when volume-cumulative 90%).
In addition, the thickness of each layer be using optical microscopy (KEYENCE company manufacture, trade name " VHX-700F ") or
TEM (manufacture of Hitachi company, trade name " H-7650 ") observes section to be measured.It is seen using optical microscopy
When examining, the antiglare film after progress resin embedding is cut by slicer, so that observation sample product be made.In addition, utilizing TEM
When being observed, sample is made by the ultrathin sectioning for including heavy metal dyeing processing.
In addition, refractive index is measured by following mode: the Abbe refractomecer (quotient manufactured using ATAGO company
The name of an article: DR-M2/1550), it selects a bromonaphthalene as intermediate fluid, light is measured to the aspect of measure incidence of measure object, passes through above-mentioned dress
Defined measuring method shown in setting is measured.
[embodiment 1]
It will be as the pentaerythritol triacrylate of adhesive resin (manufacture of Osaka organic chemistry company, trade name
" Viscoat#300 ") 50 parts by weight and urethane acrylate prepolymer (manufacture of chemical industrial company, the village Xin Zhong, commodity
Name " UA-53H-80BK ") 50 parts by weight, Silicone particles (figure new high-tech material Co., Ltd, Japan manufacture advanced in years, trade name
" TOSPEARL 130 ", weight average particle diameter: 3 μm, | D90- D50|: 2.5 μm, refractive index: 1.42) 3.5 parts by weight, as organic viscous
Synthesis smectite (manufacture of Co-op Chemical company, trade name " Lucentite SAN ") 2 parts by weight of soil, photopolymerization are drawn
Send out agent (BASF AG's manufacture, trade name " Irgacure 907 ") 3 parts by weight and even paint (manufacture of DIC company, trade name
" PC4100 ", solid component 10%) mixing of 0.2 parts by weight, and (weight ratio is using toluene/cyclopentanone (CPN) mixed solvent
70/30) it is diluted, to prepare the antiglare layer formation composition that solid component concentration is 33 weight %.Furthermore it is organic viscous
Soil is used after becoming 6 weight % at solid component using dilution with toluene.
In triacetyl cellulose (TAC) film (manufacture of Konica Minolta Opto company, the commodity as transparent substrate
Name " KC4UA ", thickness: 40 μm) on, above-mentioned antiglare layer is coated with using chipping wheel coater (Comma Coater) (registered trademark)
It is formed and uses composition, after heating 1 minute at 80 DEG C, adding up light quantity using high-pressure mercury light irradiation is 300mJ/cm2It is ultraviolet
Line, to obtain the antiglare film for being formed with antiglare layer (thickness: 6.3 μm) over the transparent substrate.In addition, in the transparent of the antiglare film
1.7 μm of middle layer is formed between substrate and antiglare layer.
[embodiment 2]
It will be as the pentaerythritol triacrylate of adhesive resin (manufacture of Osaka organic chemistry company, trade name
" Viscoat#300 ") 50 parts by weight and urethane acrylate prepolymer (manufacture of chemical industrial company, the village Xin Zhong, commodity
Name " UA-53H-80BK ") 50 parts by weight, polystyrene particle (manufacture of ponding chemical conversion product industrial group, trade name
" Techpolymer ", weight average particle diameter: 3 μm, | D90- D50|: 2.5 μm, refractive index: 1.59) 5 parts by weight, as organic clay
Synthesize smectite (manufacture of Co-op Chemical company, trade name " Lucentite SAN ") 2 parts by weight, Photoepolymerizationinitiater initiater
(BASF AG's manufacture, trade name " Irgacure 907 ") 3 parts by weight and even paint (manufacture of DIC company, trade name
" PC4100 ", solid component 10%) mixing of 0.2 parts by weight, and (weight ratio is using toluene/cyclopentanone (CPN) mixed solvent
70/30) it is diluted, to prepare the antiglare layer formation composition that solid component concentration is 35 weight %.Furthermore it is organic viscous
Soil is used after becoming 6 weight % at solid component using dilution with toluene.
In tri acetyl cellulose membrane (manufacture of Konica Minolta Opto company, the trade name as transparent substrate
" KC4UA ", thickness: 40 μm) on, above-mentioned antiglare layer shape is coated with using chipping wheel coater (Comma Coater) (registered trademark)
At with composition, after heating 1 minute at 80 DEG C, adding up light quantity using high-pressure mercury light irradiation is 300mJ/cm2Ultraviolet light,
To obtain the antiglare film for being formed with antiglare layer (thickness: 6.3 μm) over the transparent substrate.In addition, in the transparent base of the antiglare film
1.7 μm of middle layer is formed between material and antiglare layer.
[comparative example 1]
The blending amount of particle is set as 5 parts by weight, by synthesis smectite (the Co-op Chemical as organic clay
Company's manufacture, trade name " Lucentite SAN ") blending amount be set as 1.5 parts by weight, and by antiglare layer formation composition
Solid component concentration be set as 42 weight % and obtain antiglare film in the same manner as example 1 in addition to this.
[comparative example 2]
It will be as the synthesis smectite of organic clay (manufacture of Co-op Chemical company, trade name " Lucentite
SAN ") blending amount be set as 2.2 parts by weight, and the solid component concentration of antiglare layer formation composition is set as 33.5 weights
Amount % obtains antiglare film in addition to this in the same manner as example 1.
[comparative example 3]
Synthesis smectite (manufacture of Co-op Chemical company, the trade name as organic clay is not used
" Lucentite SAN "), in addition to this, antiglare film is obtained in the same manner as example 1.
[comparative example 4]
The blending amount of particle is set as 10 parts by weight, in addition to this, is obtained in the same manner as example 1 anti-dazzle
Film.
[comparative example 5]
The blending amount of particle is set as 0.5 parts by weight, in addition to this, is obtained in the same manner as example 1 anti-dazzle
Film.
[comparative example 6]
It will be as the synthesis smectite of organic clay (manufacture of Co-op Chemical company, trade name " Lucentite
SAN ") blending amount be set as 10 parts by weight, in addition to this, obtain antiglare film in the same manner as example 1.
[comparative example 7]
It will be as the synthesis smectite of organic clay (manufacture of Co-op Chemical company, trade name " Lucentite
SAN ") blending amount be set as 0.2 parts by weight, in addition to this, obtain antiglare film in the same manner as example 1.
[comparative example 8]
The solid component concentration of antiglare layer formation composition is set as 85 weight %, in addition to this, with embodiment 1
Identical mode obtains antiglare film.
[comparative example 9]
The solid component concentration of antiglare layer formation composition is set as 15 weight %, in addition to this, with embodiment 1
Identical mode obtains antiglare film.
[comparative example 10]
It (steps figure new high-tech material Co., Ltd, Japan to manufacture, trade name " TOSPEARL 105 ", weight using Silicone particles
Equal partial size: 0.5 μm, | D90- D50|: 2.5 μm, refractive index: 1.42) replacing Silicone particles, (stepping figure new high-tech material Japan has
The manufacture of limit company, trade name " TOSPEARL 130 ", weight average particle diameter: 3 μm, | D90- D50|: it 2.5 μm, refractive index: 1.42), removes
Other than this, antiglare film is obtained in the same manner as example 1.
[comparative example 11]
Using Silicone particles (step figure new high-tech material Co., Ltd, Japan manufacture, trade name " TOSPEARL 3120 ",
Weight average particle diameter: 15 μm, | D90- D50|: 2.5 μm, refractive index: 1.42) replacing Silicone particles, (stepping figure new high-tech material Japan has
The manufacture of limit company, trade name " TOSPEARL 130 ", weight average particle diameter: 3 μm, | D90- D50|: it 2.5 μm, refractive index: 1.42), removes
Other than this, antiglare film is obtained in the same manner as example 1.
[comparative example 12]
It (steps figure new high-tech material Co., Ltd, Japan to manufacture, trade name " TOSPEARL 130 ", weight using Silicone particles
Equal partial size: 3 μm, | D90- D50|: 20 μm, refractive index: 1.42) Silicone particles is replaced (to step the limited public affairs of figure new high-tech material Japan
Department's manufacture, trade name " TOSPEARL 130 ", weight average particle diameter: 3 μm, | D90- D50|: 2.5 μm, refractive index: 1.42), except this with
Outside, antiglare film is obtained in the same manner as example 1.
[comparative example 13]
The thickness of antiglare layer is set as 15.9 μm, in addition to this, obtains antiglare film in the same manner as example 1.
[comparative example 14]
The thickness of antiglare layer is set as 1.59 μm, in addition to this, obtains antiglare film in the same manner as example 1.
[comparative example 15]
It will be as the pentaerythritol triacrylate of adhesive resin (manufacture of Osaka organic chemistry company, trade name
" Viscoat#300 ") 50 parts by weight and urethane acrylate prepolymer (manufacture of chemical industrial company, the village Xin Zhong, commodity
Name " UA-53H-80BK ") 50 parts by weight, porous silica particle (manufacture of Fuji Silysia chemical company, trade name
" SYLOPHOBIC 100 ", the weight average particle diameter calculated using Coulter-counter method: 1.4 μm (are calculated using laser desorption scattering method
Weight average particle diameter out: 2.7 μm (reference value)), refractive index: 1.46) 11.6 parts by weight, the synthesis smectite as organic clay
(manufacture of Co-op Chemical company, trade name " Lucentite SAN ") 20 parts by weight, Photoepolymerizationinitiater initiater (BASF AG
Manufacture, trade name " Irgacure 907 ") 3 parts by weight and even paint (manufacture of DIC company, trade name " PC4100 ", solid at
It is divided into 10%) 0.2 parts by weight mixing, and is diluted using toluene/cyclopentanone (CPN) mixed solvent (weight ratio 70/30),
To prepare the antiglare layer formation composition that solid component concentration is 42 weight %.Furthermore organic clay is dilute using toluene
It is used after being interpreted into solid component and becoming 6 weight %.
Using the antiglare layer formation composition obtained in the above described manner, in addition to this, in the same manner as example 1
Obtain antiglare film.
< evaluates >
The antiglare film obtained in Examples and Comparative Examples is made for evaluation below.Show the result in table 1.1, antiglare layer is recessed
The shape (Ra, Sm, θ a) on convex surface
According to JIS B0601 (1994 annual version), distance Sm (mm) and arithmetical average surface are coarse between the average bumps of measurement
It spends Ra (μm).Specifically, the face with antiglare layer opposite side of the transparent substrate in antiglare film, is bonded glass using adhesive
Plate (manufacture of MATSUNAMI company, MICRO SLIDE GLASS, model S, thickness 1.3mm, 45 × 50mm), so that examination be made
Sample.Contact pin type surface roughness measurement device using the measurement needle of radius of curvature R=2 μm with front end (diamond) is (small
The manufacture of limited liability company, slope research institute, high-precision fine shape analyzer, trade name " Surfcorder ET4000 "), it is sweeping
Retouching speed is 0.1mm/ seconds, under conditions of cutoff value 0.8mm, a length of 4mm of measurement, along prescribed direction measurement said sample
The surface shape of antiglare layer, so as to find out distance Sm (mm) and arithmetic mean surface roughness Ra between average bumps.In addition, according to
Surface roughness curve obtained finds out average tilt angle θ a (°).Furthermore above-mentioned high-precision fine shape analyzer can be certainly
It is dynamic to calculate above-mentioned each measured value.
2, flashing evaluation
In back lighting device (manufacture of HAKUBA Photo Industry company, trade name " Light Viewer5700 ")
It configures glass plate (thickness: 700 μm), in the face with back lighting device opposite side of the glass plate, it is next quasi- to configure black matrix pattern
Platform is used in standby evaluation.
On the evaluation platform, it is alternately laminated 4 TAC films (thickness: 80 μm) and 4 adhesive phase (thickness: 20 respectively
μm) component A as a part for constituting gap X, TAC film (thickness: 40 μm) and adhesive phase (thickness: 20 μ is further laminated
m)。
On above-mentioned component A, match transparent substrate downward (that is, in a manner of keeping adhesive phase and transparent substrate opposite)
Set the antiglare film obtained in Examples and Comparative Examples.Furthermore such composition is that evaluation gap X is 500 μm of (80 μ ms of=TAC
40 μ m 1+ adhesive phase of 4+TAC, 20 μ m 5+ transparent substrate and middle layer it is 40 μm total) in the case where flashing structure
At.
Then, to antiglare film irradiation light, pass through flashing caused by following benchmark evaluation antiglare films.
Furthermore the clarity of black matrix pattern is set to 105ppi, 200ppi, 267ppi, each clarity is carried out
Commentary valence.
Zero: almost flicker free
△: being practical degree out of question although there is flashing
×: visible practical problematic flashing
3, haze value
According to the mist degree (haze) of JIS K 7136 (version in 2000), haze meter (color technical research institute system in village is used
Make, trade name " HM-150 ") it is measured.
4, white blur
In the face with antiglare layer opposite side of transparent substrate, black acrylic ester plate is bonded using adhesive
(manufacture of Mitsubishi Rayon company, thickness: 2mm), so that the evaluation sample for the influence for inhibiting backside reflection be made.
(the common office environment using display is equivalent to) in the environment of illumination is 1000Lx, is commented relative to this
The upper surface of valence sample passes through the journey of visual observations white blur phenomenon from 60 ° of directions using vertical direction as benchmark (0 °)
Degree, is evaluated by following evaluation criteria.
Zero: having not seen white blur
△: the white blur of the less degree of the visible influence to visibility
×: the stronger white blur of the visible degree for being substantially reduced visibility
5, anti-glare
In the face with antiglare layer opposite side of transparent substrate, black acrylic ester plate is bonded using adhesive
(manufacture of Mitsubishi Rayon company, thickness: 2mm), so that the evaluation sample for the influence for inhibiting backside reflection be made.
(the common office environment using display is equivalent to) in the environment of illumination is 1000Lx, utilizes fluorescent lamp
(three-wavelength source) irradiates the evaluation sample, passes through the anti-glare of visual assessment antiglare film according to evaluation criteria below.
Zero: picture as having an impact to visibility will not be generated and mirrored
△: mirroring for the picture of practical degree out of question is generated
×: there are mirroring for picture, and lead to the problem of in practical use
According to table 1, about antiglare film of the invention, there is specific equispaced Sm by the male and fomale(M&F), be averaged
Tiltangleθ a and arithmetic mean surface roughness Ra, anti-glare and the transparency are excellent, and are able to suppress flashing.
[reference example 1-E1,1-E2,1-C1]
In a manner of identical with embodiment 1,2 and comparative example 1, antiglare film is obtained, and evaluate the antiglare film as follows
Respective flashing.
In a manner of identical with above-mentioned evaluation (2), prepare evaluation platform.
On the evaluation platform, component A of configuration adhesive phase (thickness: 20 μm) as a part for constituting gap X.
On above-mentioned component A, match transparent substrate downward (that is, in a manner of keeping adhesive phase and transparent substrate opposite)
Set the antiglare film obtained in Examples and Comparative Examples.Such composition is that evaluation gap X is 60 μm of (20 μm of=adhesive phases+saturating
Bright substrate and middle layer it is 40 μm total) in the case where flashing composition.
By such composition, it carries out and above-mentioned evaluation (2) identical evaluation.Show the result in table 2.
[reference example 2-E1,2-E2,2-C1]
In a manner of identical with embodiment 1,2 and comparative example 1, antiglare film is obtained, and evaluate the antiglare film as follows
Respective flashing.
In a manner of identical with above-mentioned evaluation (2), prepare evaluation platform.
On the evaluation platform, it is alternately laminated 7 TAC films (thickness: 80 μm) and 7 adhesive phase (thickness: 20 respectively
μm) component A as a part for constituting gap X, TAC film (thickness: 40 μm) and adhesive phase (thickness: 20 μ is further laminated
m)。
On above-mentioned component A, match transparent substrate downward (that is, in a manner of keeping adhesive phase and transparent substrate opposite)
Set the antiglare film obtained in Examples and Comparative Examples.Such composition is that evaluation gap X is 800 μm of (80 μ m 7+TAC of=TAC
40 μ m 1+ adhesive phase, 20 μ m 8+ transparent substrate and middle layer it is 40 μm total) in the case where flashing composition.
By such composition, it carries out and above-mentioned evaluation (2) identical evaluation.Show the result in table 2.
According to table 1 and table 2 it is found that image display device of the invention is in the feelings that gap X is particular range (700 μm or less)
Under condition, significant flashing inhibitory effect is played.Furthermore has the image that thicker glass substrate and gap X are 100 μm or more
The excellent in te pins of durability of display device.
Symbol description
10 transparent substrates
20 antiglare layers
100 antiglare films
Claims (6)
1. a kind of antiglare film, has: transparent substrate；With antiglare layer of the configuration at least one face of the transparent substrate,
Wherein,
The antiglare layer is male and fomale(M&F) with the surface of the transparent substrate opposite side,
The equispaced Sm of the male and fomale(M&F) is 150 μm~350 μm,
The average slope angle θ a of the male and fomale(M&F) is 0.1 °~2.5 °,
The arithmetic mean surface roughness Ra of the male and fomale(M&F) is 0.05 μm~0.5 μm,
The arithmetic mean surface roughness Ra of concave-convex equispaced Sm, average slope angle θ a and male and fomale(M&F) in the male and fomale(M&F)
Show following relationships: 0≤Ra/Sm × a × 1000≤4 θ,
The antiglare layer includes adhesive resin and particle, and the weight average particle diameter of the particle is 1 μm~10 μm, the body of the particle
Accumulate product partial size D50With volume-cumulative partial size D90Absolute value of the difference be 5 μm hereinafter,
The antiglare film is further equipped with middle layer, the middle layer be formed between the transparent substrate and the antiglare layer and
Comprising constituting at least part of the material of the transparent substrate and/or at least part of described adhesive resin, wherein institute
The thickness of middle layer is stated relative to the antiglare layer with a thickness of 0.1%~123%.
2. antiglare film according to claim 1, wherein the containing ratio of the particle is relative to described adhesive resin
100 parts by weight are 1 parts by weight~9 parts by weight.
3. antiglare film according to claim 1, wherein the antiglare layer includes coherency filler.
4. antiglare film according to claim 3, wherein the coherency filler is organic clay.
5. antiglare film according to claim 1, wherein the antiglare layer with a thickness of 3 μm~15 μm.
6. a kind of image display device has antiglare film described in any one of claims 1 to 5 and image-display units,
Wherein, the gap of the antiglare film and image-display units is 100 μm~700 μm.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014157817 | 2014-08-01 | ||
| JP2014-157817 | 2014-08-01 | ||
| JP2015-150987 | 2015-07-30 | ||
| JP2015150987A JP2016035574A (en) | 2014-08-01 | 2015-07-30 | Anti-glare film and image display device |
| PCT/JP2015/071875 WO2016017816A1 (en) | 2014-08-01 | 2015-07-31 | Anti-glare film and image display device |
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| CN106574991A CN106574991A (en) | 2017-04-19 |
| CN106574991B true CN106574991B (en) | 2019-10-01 |
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| JP (1) | JP2016035574A (en) |
| KR (2) | KR20230086816A (en) |
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| JP2019082594A (en) * | 2017-10-31 | 2019-05-30 | ソニー株式会社 | Display |
| US20220373720A1 (en) | 2019-01-10 | 2022-11-24 | Dai Nippon Printing Co., Ltd. | Antiglare film, and polarizing plate, surface plate, and image display device that use same |
| JP7393875B2 (en) * | 2019-04-10 | 2023-12-07 | 日東電工株式会社 | Anti-glare film, method for producing anti-glare film, optical member and image display device |
| US20220229208A1 (en) | 2019-06-07 | 2022-07-21 | Dai Nippon Printing Co., Ltd. | Anti-glare film; anti-glare article, touchscreen, and display device using same; and method for selecting anti-glare film |
| JP2021124616A (en) * | 2020-02-05 | 2021-08-30 | 日東電工株式会社 | Antiglare hard coat film, manufacturing method of antiglare hard coat film, optical member and image display apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221720A (en) * | 2010-04-19 | 2011-10-19 | 株式会社巴川制纸所 | Optical laminated body, polarizer, display device and manufacturing method of optical laminated body |
| CN103154781A (en) * | 2010-10-22 | 2013-06-12 | 大日本印刷株式会社 | Anti-glare film, polarizing plate, and image display device |
| CN103415791A (en) * | 2011-06-29 | 2013-11-27 | 日东电工株式会社 | Antiglare film, polarizing plate, image display apparatus and process for manufacturing antiglare film |
| CN103529495A (en) * | 2012-06-28 | 2014-01-22 | 日东电工株式会社 | Method for producing anti-glare film, anti-glare film, polarizing plate, and image display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001272544A (en) * | 2000-03-27 | 2001-10-05 | Nitto Denko Corp | Polarizing plate |
| JP5102405B1 (en) | 2012-06-28 | 2012-12-19 | 株式会社エービーシー商会 | Wall cover material support device and wall expansion joint |
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2015
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- 2015-07-31 WO PCT/JP2015/071875 patent/WO2016017816A1/en active Application Filing
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- 2015-07-31 CN CN201580041849.6A patent/CN106574991B/en active Active
- 2015-07-31 TW TW104124973A patent/TWI689414B/en active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221720A (en) * | 2010-04-19 | 2011-10-19 | 株式会社巴川制纸所 | Optical laminated body, polarizer, display device and manufacturing method of optical laminated body |
| CN103154781A (en) * | 2010-10-22 | 2013-06-12 | 大日本印刷株式会社 | Anti-glare film, polarizing plate, and image display device |
| CN103415791A (en) * | 2011-06-29 | 2013-11-27 | 日东电工株式会社 | Antiglare film, polarizing plate, image display apparatus and process for manufacturing antiglare film |
| CN103529495A (en) * | 2012-06-28 | 2014-01-22 | 日东电工株式会社 | Method for producing anti-glare film, anti-glare film, polarizing plate, and image display |
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| WO2016017816A1 (en) | 2016-02-04 |
| KR20230086816A (en) | 2023-06-15 |
| TWI689414B (en) | 2020-04-01 |
| JP2016035574A (en) | 2016-03-17 |
| TW201617211A (en) | 2016-05-16 |
| CN106574991A (en) | 2017-04-19 |
| KR20170040198A (en) | 2017-04-12 |
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