WO2023223784A1 - Film optique, et dispositif d'affichage d'image l'utilisant - Google Patents

Film optique, et dispositif d'affichage d'image l'utilisant Download PDF

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Publication number
WO2023223784A1
WO2023223784A1 PCT/JP2023/016264 JP2023016264W WO2023223784A1 WO 2023223784 A1 WO2023223784 A1 WO 2023223784A1 JP 2023016264 W JP2023016264 W JP 2023016264W WO 2023223784 A1 WO2023223784 A1 WO 2023223784A1
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Prior art keywords
meth
optical film
hard coat
coat layer
mass
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PCT/JP2023/016264
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English (en)
Japanese (ja)
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鍵 金
勇介 荒谷
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凸版印刷株式会社
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Publication of WO2023223784A1 publication Critical patent/WO2023223784A1/fr

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Classifications

    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • 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
    • G02B1/14—Protective coatings, e.g. hard coatings

Definitions

  • the present invention relates to an optical film and an image display device using the same.
  • Image display devices such as liquid crystal displays and organic EL displays use optical films in which a hard coat layer is provided on a resin film.
  • Patent Document 1 discloses that a dendrimer compound having a (meth)acrylate end group, a polyhedral oligomer silsesquioxane compound having a (meth)acrylate end group, a photoinitiator, and a solvent are coated on one or both sides of a transparent substrate.
  • a hard coating film is described in which a coating layer is formed using a composition comprising:
  • Patent Document 2 describes a polarizer protective film formed by curing a resin composition containing a polyfunctional acrylate monomer, an acrylate oligomer, an acrylate elastic polymer, and a photoinitiator.
  • Patent Document 3 describes an ultraviolet curable hard coating agent containing a polyfunctional urethane (meth)acrylate oligomer, colloidal silica modified with an acrylic group, a polyfunctional thiol compound, and a photopolymerization initiator.
  • an object of the present invention is to provide an optical film having high flexibility and high hardness and reduced curling, and an image display device using the same.
  • the optical film according to the present invention has a hard coat layer on at least one surface of a transparent base material, and the hard coat layer is composed of (A) (meth)acrylic having three or more (meth)acryloyl groups in one molecule; A composition containing a monomer, (B) a (meth)acrylic polymer having two or more (meth)acryloyl groups in one molecule and having a weight average molecular weight of 15,000 to 50,000, and (C) a thiol compound.
  • the content of (meth)acrylic monomer is 60 to 85% by mass
  • the content of (meth)acrylic polymer is 5 to 35% by mass
  • thiol compound The content of the hard coat layer is 0.5 to 9% by mass, and the thickness of the hard coat layer is 3 to 20 ⁇ m.
  • An image display device includes the above optical film.
  • an optical film having high flexibility and high hardness and reduced curling it is possible to provide an optical film having high flexibility and high hardness and reduced curling, and an image display device using the same.
  • FIG. 1 is a sectional view showing a schematic configuration of an optical film according to an embodiment.
  • (meth)acrylate is a generic term for both acrylate and methacrylate
  • (meth)acryloyl is a generic term for both acryloyl and methacryloyl
  • (meth)acrylic is a generic term for both acrylic and methacrylic.
  • FIG. 1 is a cross-sectional view showing a schematic configuration of an optical film according to an embodiment.
  • the optical film 1 includes a transparent base material 2 and a hard coat layer 3 laminated on one surface of the transparent base material 2.
  • the transparent base material 2 is a film that serves as the base of the optical film, and is made of a material that has excellent transparency for visible light.
  • a material that has excellent transparency for visible light As the material for forming the transparent base material, triacetyl cellulose, polyethylene naphthalate, polyethylene terephthalate, cycloolefin polymer, polycarbonate, polyacrylate, polyimide, polyamide, etc. can be used.
  • the thickness of the transparent base material 2 is not particularly limited, but is preferably 10 to 200 ⁇ m, for example.
  • the surface of the transparent base material 2 may be subjected to surface modification treatment in order to improve adhesion with other layers.
  • the surface modification treatment include alkali treatment, corona treatment, plasma treatment, sputtering treatment, application of a surfactant or silane coupling agent, Si vapor deposition, and the like.
  • the hard coat layer 3 is a layer that imparts hardness to the optical film 1.
  • the hard coat layer 3 consists of (A) a (meth)acrylic monomer having three or more (meth)acryloyl groups in one molecule, and (B) having two or more (meth)acryloyl groups in one molecule; It can be formed by applying a composition containing a (meth)acrylic polymer having an average molecular weight of 15,000 to 50,000 and a (C) thiol compound in a predetermined ratio to the transparent substrate 2 and curing it.
  • the thickness of the hard coat layer 3 is preferably 3 to 20 ⁇ m.
  • the thickness of the hard coat layer 3 is less than 3 ⁇ m, the hardness of the hard coat layer 3 will be insufficient, which is not preferable. On the other hand, if the thickness of the hard coat layer 3 exceeds 30 ⁇ m, it is not preferable because the flexibility of the optical film 1 decreases and curling due to shrinkage during curing increases.
  • the (meth) acrylic monomer is a component that mainly imparts hardness to the hard coat layer.
  • As the (meth)acrylic monomer a compound having three or more (meth)acryloyl groups in one molecule is used. If a (meth)acrylic monomer with less than two functionalities is used, hardness will not be sufficiently developed.
  • the blending ratio of the trifunctional or higher-functional (meth)acrylic monomer is 60 to 90% by mass of the solid content of the composition for forming a hard coat layer. If the blending ratio of the trifunctional or higher functional (meth)acrylic monomer is less than 60% by mass, the hard coat layer may not exhibit sufficient hardness. On the other hand, if the blending ratio of the trifunctional or higher functional (meth)acrylic monomer exceeds 90%, curling will appear strongly and flexibility will deteriorate.
  • tri- or higher-functional (meth)acrylic monomers examples include trimethylolpropane tri(meth)acrylate, ethoxylated trimethylolpropane tri(meth)acrylate, propoxylated trimethylolpropane tri(meth)acrylate, and tris-2-hydroxyethyl.
  • Tri(meth)acrylates such as isocyanurate tri(meth)acrylate, glycerin tri(meth)acrylate, pentaerythritol tri(meth)acrylate, dipentaerythritol tri(meth)acrylate, ditrimethylolpropane tri(meth)acrylate, etc.
  • Functional (meth)acrylate compounds pentaerythritol tetra(meth)acrylate, ditrimethylolpropane tetra(meth)acrylate, dipentaerythritol tetra(meth)acrylate, dipentaerythritol penta(meth)acrylate, ditrimethylolpropane penta(meth)acrylate, ) acrylate, dipentaerythritol hexa(meth)acrylate, ditrimethylolpropane hexa(meth)acrylate, and other trifunctional or higher functional polyfunctional (meth)acrylate compounds, and some of these (meth)acrylates can be converted into alkyl groups or ⁇ -caprolactone. Examples include polyfunctional (meth)acrylate compounds substituted with .
  • urethane (meth)acrylate can also be used as the (meth)acrylic monomer.
  • examples of urethane (meth)acrylate include those obtained by reacting a (meth)acrylate monomer having a hydroxyl group with a product obtained by reacting a polyester polyol with an isocyanate monomer or a prepolymer. .
  • urethane (meth)acrylates examples include pentaerythritol triacrylate hexamethylene diisocyanate urethane prepolymer, dipentaerythritol pentaacrylate hexamethylene diisocyanate urethane prepolymer, pentaerythritol triacrylate toluene diisocyanate urethane prepolymer, dipentaerythritol pentaacrylate toluene diisocyanate Examples include urethane prepolymer, pentaerythritol triacrylate isophorone diisocyanate urethane prepolymer, dipentaerythritol pentaacrylate isophorone diisocyanate urethane prepolymer.
  • any one of the above-mentioned compounds may be used, or two or more thereof may be used in combination.
  • (meth)acrylic monomers include light acrylate PE-3A (pentaerythritol triacrylate), light acrylate TMP-A (trimethylolpropane triacrylate), and light acrylate DPE-6A (dipentaerythritol triacrylate) manufactured by Kyoeisha Chemical Co., Ltd. Hexaacrylate) can be used.
  • the (meth) acrylic polymer is a component that mainly provides low curling properties and flexibility.
  • As the (meth)acrylic polymer a compound having two or more (meth)acryloyl groups in one molecule and a weight average molecular weight of 15,000 to 50,000 can be used.
  • the (meth)acrylic polymers having two or more functionalities are entangled with each other to form a network.
  • This (meth)acrylic polymer network serves as the skeleton of the binder, thereby suppressing curling and improving flexibility.
  • the above-mentioned (meth)acrylic monomer enters the gaps in the network of (meth)acrylic polymers and crosslinks the polymers.
  • the polymerization density increases and the hardness improves.
  • the weight average molecular weight of the (meth)acrylic polymer is less than 15,000, it is not preferable because the (meth)acrylic polymer cannot sufficiently form the above-mentioned network, resulting in a decrease in curl suppression ability and flexibility.
  • the weight average molecular weight of the (meth)acrylic polymer exceeds 50,000, the compatibility of the composition for forming a hard coat layer deteriorates, which is not preferable.
  • the blending ratio of the (meth)acrylic polymer having two or more functionalities is 5 to 35% by mass of the solid content of the composition for forming a hard coat layer. If the blending ratio of the (meth)acrylic polymer having two or more functionalities is less than 5% by mass, it is not preferable because sufficient low curling properties and flexibility cannot be obtained. On the other hand, if the blending ratio of the (meth)acrylic polymer having two or more functionalities exceeds 35% by mass, it is not preferable because the hardness of the hard coat layer decreases.
  • Examples of (meth)acrylic polymers include SMP-250AP (acrylic equivalent: 240 to 260 g/eq, weight average molecular weight: 20,000 to 30,000) and SMP-360AP manufactured by Kyoeisha Chemical, which have (meth)acryloyl and hydroxyl groups in the side chains. (acrylic equivalent: 350 to 370 g/eq, weight average molecular weight: 20,000 to 30,000), SMP-550AP (acrylic equivalent: 540 to 560 g/eq, weight average molecular weight: 20,000 to 30,000) can be used.
  • the thiol compound is a component that acts as a curing aid.
  • the blending ratio of the thiol compound is 0.5 to 9% by mass of the solid content of the composition for forming a hard coat layer.
  • the thiol compound can enhance the curability of the (meth)acrylic monomer and (meth)acrylic polymer, and can improve the hardness of the hard coat layer.
  • Thiol compounds particularly improve the curability of (meth)acrylic monomers.
  • a thiol compound introduces mercapto groups into the binder matrix, thereby improving low curling properties and flexibility.
  • the blending ratio of the thiol compound is less than 0.5% by mass, it is not preferable because the low blending ratio reduces the effect of improving curl resistance and flexibility. Moreover, when the blending ratio of the thiol compound is small, the function as a curing aid becomes insufficient. On the other hand, when the blending ratio of the thiol compound exceeds 9% by mass, the low curling property and flexibility are further improved, but the hardness of the hard coat layer is significantly reduced, which is not preferable.
  • thiol compounds include, for example, Karenz MT (registered trademark) BD-1 (1,4-bis(3-mercaptobutyryloxy)butane) and Karenz MT (registered trademark) PE-1 (pentafluoride) manufactured by Showa Denko. Erythritol tetrakis (3-mercaptobutyrate)) can be used.
  • Photopolymerization initiator A photopolymerization initiator is added to the composition for forming a hard coat layer in order to enable polymerization and curing by ultraviolet rays.
  • radical polymerization initiators such as acetophenone, benzophenone, thioxanthone, benzoin, and benzoin methyl ether can be suitably used.
  • 2,2-ethoxyacetophenone, 1-hydroxycyclohexylphenyl ketone, 2,2-dimethoxy-phenylacetophenone, dibenzoyl, benzoin, benzoin methyl ether, benzoin ethyl ether, p-chlorobenzophenone, p- Methoxybenzophenone, Michler's ketone, acetophenone, 2-chlorothioxanthone, etc. can be used as a photopolymerization initiator.
  • 2,2-ethoxyacetophenone, 1-hydroxycyclohexylphenyl ketone, 2,2-dimethoxy-phenylacetophenone, dibenzoyl benzoin, benzoin methyl ether, benzoin ethyl ether, p-chlorobenzophenone, p- Methoxybenzophenone, Michler's ketone, acetophenone, 2-chlorothioxanthone, etc.
  • Omnirad 184 (1-hydroxycyclohexylphenyl ketone) and Omnirad 651 (2,2-dimethoxy-phenylacetophenone) manufactured by IGM RESIN
  • the blending ratio of the photopolymerization initiator is preferably 0.1 to 10.0% by mass of the solid content of the composition for forming a hard coat layer.
  • Leveling agent In order to improve the surface properties of the coating film of the composition for forming a hard coat layer, a leveling agent may be added.
  • the blending ratio of the leveling agent is preferably 0.05 to 5.0% by mass of the solid content of the hard coat layer forming composition.
  • Compounds that can be used as the leveling agent are not particularly limited, but for example, KY-1203 manufactured by Shin-Etsu Chemical Co., Ltd. can be used.
  • an appropriate solvent may be added to the composition for forming a hard coat layer.
  • solvents include alcohols such as methanol, ethanol, 1-propanol, 2-propanol, butanol, isopropyl alcohol, and isobutanol, ketones such as acetone, methyl ethyl ketone, cyclohexanone, and methyl isobutyl ketone, and ketone alcohols such as diacetone alcohol.
  • aromatic hydrocarbons such as benzene, toluene, xylene
  • glycols such as ethylene glycol, propylene glycol, hexylene glycol, ethyl cellosolve, butyl cellosolve, ethyl carbitol, butyl carbitol, diethyl cellosolve, diethyl carbitol, propylene glycol
  • glycol ethers such as monomethyl ether, esters such as methyl lactate, ethyl lactate, methyl acetate, ethyl acetate, amyl acetate
  • ethers such as dimethyl ether and diethyl ether, N-methylpyrrolidone, dimethylformamide, water, etc.
  • One type or a mixture of two or more types can be used.
  • monomers, oligomers, polymers, antifoaming agents, antioxidants, ultraviolet absorbers, light stabilizers, polymerization inhibitors, and photosensitizers other than those mentioned above may be added to the hard coat layer forming composition.
  • Various additives such as these may also be added.
  • the optical film 1 according to this embodiment can be used to configure an image display device by laminating it on the outermost surface of an image display panel such as a liquid crystal panel or an organic EL panel.
  • a touch panel may be provided between the optical film 1 and the image display panel.
  • the optical film 1 can also be used as a protective film for a polarizing plate included in an image display device.
  • the optical film 1 according to this embodiment has excellent hardness and flexibility, and is therefore suitable for a mobile terminal equipped with a foldable image display device. Further, since the optical film 1 according to the present embodiment has suppressed curling, it has excellent processability during manufacturing of an image display device.
  • the hard coat film in which the hard coat layer 3 is laminated on one side of the transparent base material 2 was explained as an example, but an optical film in which the hard coat layer 3 is laminated on both sides of the transparent base material 2 may be used. may be configured.
  • an anti-glare layer, a low reflection layer, a high refractive index layer, a medium refractive index layer, an antistatic layer, an electromagnetic wave blocking layer, an infrared absorption layer, and an ultraviolet absorption layer are provided. It is also possible to construct an optical film in which one or more functional layers such as a color correction layer and an antifouling layer are laminated.
  • A (meth)acrylic monomer
  • A-1 Light acrylate PE-3A (pentaerythritol triacrylate), Kyoeisha Chemical Co., Ltd.
  • A-2) Light acrylate 3EG-A (triethylene glycol diacrylate), Kyoeisha Chemical Co., Ltd. company
  • B (Meth)acrylic polymer (B-1) SMP-250AP, weight average molecular weight 20,000 to 30,000, Kyoeisha Chemical Co., Ltd. (B-2) Light acrylate 9EG-A (PEG400# diacrylate), weight average molecular weight 1,000 or less , Kyoeisha Chemical Co., Ltd. (B-3) Urethane acrylate BPZA-66, weight average molecular weight approximately 100,000, Kyoeisha Chemical Co., Ltd.
  • a hard coat layer forming composition having the composition shown in Table 1 was coated on the surface of a polyimide base material (thickness 50 ⁇ m) by a bar coating method and dried, and then irradiated with a high pressure mercury lamp at a dose of 200 mJ/m 2 .
  • the coating film was cured by irradiating ultraviolet rays to obtain optical films according to each example and each comparative example.
  • the composition for forming a hard coat layer was diluted with methyl isobutyl ketone so that the total solid content concentration was 40% by mass. Further, the coating amount of the composition for forming a hard coat layer was adjusted so that the film thickness after curing would be the value shown in Table 1.
  • Pencil hardness was measured in accordance with JIS K5400-1900.
  • the pencil hardness of the surface of the hard coat layer was measured using a pencil (uni, manufactured by Mitsubishi Pencil Co., Ltd.) and a Clemens scratch tester (HA-301, manufactured by Tester Sangyo Co., Ltd.). Tests were repeated while changing the hardness of the pencil, and changes in appearance due to scratches were visually observed, and the maximum hardness at which no scratches were observed was taken as the evaluation value.
  • the evaluation criteria are as follows. ⁇ : 6H or more ⁇ : 5H ⁇ :4H ⁇ : 3H or less
  • ⁇ Karl> Prepare a sample by cutting out the produced optical film into a 100 mm square, place this sample on a flat surface, measure the vertical distance from the flat surface to the tips of the four corners in mm, and calculate the measured values of the four corners. The average value was taken as the evaluation value. The smaller the evaluation value, the smaller the curl.
  • the evaluation criteria are as follows. ⁇ : 10mm or less ⁇ : More than 10mm and 20mm or less ⁇ : More than 20mm and 35mm or less ⁇ : More than 35mm
  • a sample was prepared by cutting the optical film into a 30 mm width, and the sample was fixed to a clamshell bending tester (DR11MR-CS-t, manufactured by Yuasa System Equipment Co., Ltd.) so that the hard coat layer of the sample was on the outside.
  • a bending test was then repeated 200,000 times.
  • the bending diameter in mm that can be repeatedly tested by bending 200,000 times was determined based on the following criteria. ⁇ : 5mm or less ⁇ : More than 5mm and 10mm or less ⁇ : More than 10m and 15mm or less ⁇ : More than 15mm
  • Table 1 shows the compositions of the compositions for forming hard coat layers according to Examples and Comparative Examples, and the evaluation results of pencil hardness, curling, and flexibility.
  • the optical films according to Examples 1 to 6 were evaluated as ⁇ or higher in pencil hardness, curl, and flexibility, and were all good in pencil hardness, curl, and flexibility.
  • the optical film according to Comparative Example 1 had a low pencil hardness due to a low blending ratio of (meth)acrylic monomer.
  • the optical film according to Comparative Example 2 had large curls and low flexibility due to the large blending ratio of the (meth)acrylic monomer.
  • the optical film according to Comparative Example 3 had a low pencil hardness due to the high blending ratio of the thiol compound.
  • the optical film according to Comparative Example 4 had large curls and low flexibility because the (meth)acrylic polymer and thiol compound were not blended.
  • the optical film according to Comparative Example 5 had low pencil hardness because it did not contain a (meth)acrylic monomer.
  • optical films according to Comparative Examples 6 and 7 had large curls and low flexibility because the (meth)acrylic polymer was not blended.
  • the hard coat layer was formed using a hard coat layer forming composition that did not contain a thiol compound.
  • the hard coat layer forming composition contains a thiol compound that acts as a curing aid. Since it was not added, the pencil hardness was lower than in Example 1.
  • the evaluation of curl and flexibility is " ⁇ " because the amount of (meth)acrylic monomer that worsens curl and flexibility in exchange for hardness is almost the same as in Example 1. This is because it is smaller than Comparative Example 8.
  • the optical film according to Comparative Example 10 had low pencil hardness due to the use of a bifunctional (meth)acrylic monomer.
  • the optical film according to Comparative Example 11 had increased curl and decreased flexibility due to the use of a low molecular weight polymerizable compound instead of the (meth)acrylic polymer. This is considered to be because a long chain (meth)acrylic polymer was not blended into the composition for forming the hard coat layer, so a polymer network serving as a skeleton was not formed.
  • the optical film according to Comparative Example 12 had a low pencil hardness due to the use of a polymerizable compound with a molecular weight of 100,000 as the (meth)acrylic polymer. This is considered to be because the molecular weight of the (meth)acrylic polymer used was too large, which deteriorated the compatibility of the composition for forming a hard coat layer, resulting in unevenness of each component.
  • the optical film according to Comparative Example 13 had a reduced pencil hardness due to the thin film thickness of the hard coat layer.
  • the optical film according to Comparative Example 14 had large curls and low flexibility due to the thick hard coat layer.
  • the present invention can be used for optical films used in image display devices.

Abstract

La présente invention concerne : un film optique qui présente une flexibilité élevée et une dureté élevée et dans lequel le roulement est réduit ; et un dispositif d'affichage d'image utilisant ce film optique. Ce film optique présente une couche de revêtement dur sur au moins une surface d'un matériau de base transparent. La couche de revêtement dur est un film durci d'une composition contenant : (A) un monomère (méth)acrylique ayant trois groupes (méth)acryloyle ou plus par molécule ; (B) un polymère (méth)acrylique qui présente deux groupes (méth)acryloyle ou plus par molécule et a un poids moléculaire moyen pondéral de 15 000 à 50 000 ; et (C) un composé thiol. Par rapport à la teneur totale en solides dans la composition, la teneur en monomère (méth)acrylique est de 60 à 85 % en masse, la teneur en polymère (méth)acrylique est de 5 à 35 % en masse, et la teneur en composé thiol est de 0,5 à 9 % en masse. L'épaisseur de film de la couche de revêtement dur est de 3 à 20 µm.
PCT/JP2023/016264 2022-05-17 2023-04-25 Film optique, et dispositif d'affichage d'image l'utilisant WO2023223784A1 (fr)

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JP2022081130A JP2023169799A (ja) 2022-05-17 2022-05-17 光学フィルム及びこれを用いた画像表示装置
JP2022-081130 2022-05-17

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JP2012197383A (ja) * 2011-03-22 2012-10-18 Toppan Printing Co Ltd ハードコート塗液及びハードコートフィルム及びタッチパネル
JP2017088844A (ja) * 2015-02-13 2017-05-25 三菱化学株式会社 硬化性組成物、硬化物及び積層体
WO2016136329A1 (fr) * 2015-02-26 2016-09-01 富士フイルム株式会社 Composition de formation de film protecteur pour électrode d'écran tactile, film de transfert, corps multicouche transparent, film protecteur pour électrode d'écran tactile, son procédé de formation, dispositif d'entrée capacitif, et dispositif d'affichage d'image

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