ADHESIVE FILM, OPTICAL MEMBER COMPRISING SAME, AND OPTICAL DISPLAY APPARATUS COMPRISING SAME

In the embodiment in the present invention by the preface products on the drawing is provided to the person with skill in the art for embodiment is hereinafter to be detailed as follows. The present invention refers to several different taught herein can be embodied in the form of a in the embodiment is not limited to. In the present invention is described that is independent unambiguously account for drawing when the dispensed portion, through the entire specification are identical drawing code is configured to receive a same or similar component.

The specification is "lower" in reference to "upper" define drawing provided, according to the "upper" is "lower" in terms "upper" and "lower" changed, "on (on)" or "(on) on" is referred as well as other structures intermediate when directly above may also be interposed. While, "directly over (directly on)" or "immediately above" referred to via the other structures intermediate is not big. The specification "(meth) acrylic" means acrylic and/or methacrylate in the can.

The specification "copolymer" is in an oligomer, a polymer or resin can be.

The specification of the Malvern Zetasizer nano-a ZS in organic nanoparticle "average particle diameter" of aqueous or organic-based solvent [...] equipment description and the SEM/TEM and identified in a side Z provided average particle size organic nanoparticle are disclosed.

The specification "modulus" is in storage modulus (G ') are disclosed.

Hereinafter, one of the present invention in the embodiment according to adhesive film are described substrate.

In the embodiment according to the hydroxylated (meth) acrylate and the adhesive film (hereinafter, 'adhesive film') containing alkyl (meth) acrylate monomer mixture including is filled in, the rate of change is 20% hereinafter haze when said adhesive film formula 1, formula 2 of modulus change rate implementation being 20% hereinafter: said range, adhesive film normal, physiological properties between a low relative dielectric constant film layer so that good reliability thereof can: specifically, 0% to 20% of the rate of change of haze formula 1, 0% to 20% is the rate of change of modulus of formula 2 can be:

<식 1>

The rate of change of haze=(H2 - H1)/H 1 x 100

(In said type 1, glass (thickness: 3 mm), said adhesive film (thickness: 50 micro m), ITO (indium tin oxide) film (thickness: 100 micro m) for sample 3 sequentially stacked layer structure, said wavelength of 380 nm to 780 nm haze (unit: %) H1 in the sample,

H2 is said H1 93% relative humidity during said measuring unit is in the center of the wavelength 380 nm to 780 nm is left for 60 °C and haze (unit: %) after 3).

<식 2>

The rate of change of modulus=|G2 - G1|/ G 1 x 100

(In said type 2, the adhesive film 25 °C G1 in modulus (unit: kPa)

G2 is in adhesive film 60 °C and 93% relative humidity during said G1 3 left in modulus (unit: kPa) after 25 °C).

The adhesive film is 5% hereinafter and in said type 1 H2 - H1, specifically 0% to 1% can be is. Said range, adhesive film normal, physiological properties between a low relative dielectric constant film layer so that good reliability thereof can. 10% Hereinafter H2 is in said type 1, 0. 5% To 5%, H1 is 5% hereinafter, 0. 1% To 4% is can be. Said range, optical display device can be used.

The adhesive film is in said type 2 100kPa hereinafter specifically 20kPa to 0kPa is G2 - G1 can be. Said range, adhesive film normal, physiological properties between a low relative dielectric constant film layer so that good reliability thereof can. In said type 2 G2 is 1000kPa hereinafter, to 400kPa 10kPa, the G1 1000kPa hereinafter, is to 10kPa 500kPa can be. Said range, high temperature reliability thereof can improvements.

The functional adhesive film as well as in portable device where the peel strength in high temperature such as the optical signal of the first peel strength contrast peel strength durability and reliability can be reduced. Specifically, in the embodiment according to the reduction of the peel strength adhesive film formula 3 ratio 50% hereinafter, specifically 0% to 50% can be is. In the range of said pressure-sensitive adhesive film, powder can be flexible device can be used:

<식 3>

Peel strength reduction ratio=|B - A|/ A x 100

(In said type 3, said adhesive film of 25 °C A is in peel strength,

In peel strength of said adhesive film B is 60 °C).

Peel strength adhesive film formula 4 is kept constant 800gf/in hereinafter, specifically 50gf/in to the 800gf/in can be. In the range of said pressure-sensitive adhesive film, powder can be flexible device can be used:

<식 4>

Difference=|B - A|peel strength

(Said type 4 in, A, B is defined in said type 1 efined). Type 3 and type 4 is in B ≤ A can be. The specification "peel strength" is in T-a PEEL peel strength are disclosed.

The adhesive film in the embodiment according to said type 3 and type 4 defined in the A 700gf/in or more where the peel strength, specifically 900gf/in or more, to 3000gf/in 900gf/in can be disclosed. The adhesive film in the embodiment according to said type 3 and type 4 defined in the B 500gf/in or more where the peel strength, specifically 500gf/in to the 3000gf/in can be. Said range, can improve the durability of adhesive film.

The rate of change is 30% hereinafter haze adhesive film formula 5, specifically 1% to 27% implementation being: said range, pressure sensitive adhesive film at low temperature, room temperature, physiological properties between a low relative dielectric constant temperature so that good reliability thereof can:

<식 5>

The rate of change of haze=(H3 - H1)/H 1 x 100

(In said type 5, glass (thickness: 3 mm), said adhesive film (thickness: 50 micro m), ITO (indium tin oxide) film (thickness: 100 micro m) for sample 3 sequentially stacked layer structure, said wavelength of 380 nm to 780 nm haze (unit: %) H1 in the sample,

H3 is the holding unit 24 for measuring said H1 1 cycle after said sequential time result in a center of the 380 nm to 780 nm wavelength 10 haze (unit: %) repeated cycle,

1 Cycle<>93% relative humidity of 93% in 2 hours while maintaining 60 °C→60 °C and relative humidity of the temperature 25 °C up slowly in air conditioner 3. 5→25 °C 2 93% relative humidity to the solution while maintaining time in time to the 93% relative humidity gradually while maintaining temperature 60 °C→25 °C slowly in one part 2 in air conditioner 3→60 °C and relative humidity of 93%. 5→25 °C 93% relative humidity to the solution while maintaining→25 °C and relative humidity of 93% in 2 hours to the solution slowly in one part of air conditioner→-10 °C 2 0. 5→-10 °C in time constant of 3 in one part. 5→25 °C→25 °C and relative humidity of 93% 93% relative humidity to the solution while maintaining temperature 1 time of 2 hours in air conditioner leaving).

In the H3 type 5 0. 1% To 10%, specifically 0. 1% To 3% can be is. Said range, increases so that the display device is coupled to hot low-temperature high-humidity even in a region Haze effect thereof can be used.

Glass transition temperatures (Tg) adhesive film is -100 °C to -10 °C, specifically -70 °C is to -35 °C can be. Said range, folding reliability thereof can improvements. The pressure-sensitive adhesive film is 10 m to 400 m in clip (creep) 25 °C micro micro, specifically 30 micro m to 300 micro m can be is. Said range, folding-, transparency, adhesion, reports a reliability of (air bubble generating area low) can be excellent.

90% Or more (for example: wavelength 380 nm to 780 nm) adhesive film visible light region in a diffusion-transmittance, specifically 95% to 99% can be is. Said range, the optical clarity of the LED chip optical display device can be used. Adhesive film has a thickness of 10 to 300 micro micro m m, specifically 15 micro m to 175 micro m can be is. Said range, optical display device can be used.

In the embodiment according to the adhesive composition of the present invention one number to number bath 1308. photocuring adhesive film. A hydroxylated (meth) acrylate having hydroxyl group adhesive number composition including (meth) acrylic copolymer for monomer mixture; and a disclosure number can be. Monomer mixture is not any polymerization monomer mixture may also be used but some partially polymerized monomer mixture adhesive state number included within the composition be included with the polymer portion disapproval.

The (meth) acrylic copolymer having hydroxyl monomer mixture can be formed. Hydroxyl group of (meth) acrylic copolymer forms a matrix and having adhesive film, can be exhibits a tackiness. Having hydroxyl (meth) acrylic copolymer has a glass transition temperature -100 °C to -10 °C, specifically -70 °C is to -30 °C can be. Said range, good adhesive film wide temperature range also disclosed reliability effect flow tides. The acrylic copolymer having hydroxyl (meth) refractive index 1. 35 To 1. 70, Specifically 1. 40 To 1. 60 Can be disclosed. Said range, transparency of the substrate to other optical film can be. Said alkyl (meth) acrylate and (meth) acrylate monomer containing a hydroxylated mixture is can be composed.

A hydroxylated (meth) acrylate adhesive film and a surface chemistry can be [...] number. A hydroxylated (meth) acrylate is at least one (meth) acrylate containing hydroxyl groups can be 1. For example, (meth) acrylate is 2 - hydroxyethyl (meth) acrylate from a hydroxylated, 2 - hydroxypropyl (meth) acrylate, 3 - hydroxypropyl (meth) acrylate, 2 - hydroxy butyl (meth) acrylate, 4 - hydroxy butyl (meth) acrylate, hexyl (meth) 6 - hydroxy acrylate, 1, 4 - cyclohexanedimethanol mono (meth) acrylate, 1 - chloro - 2 - hydroxypropyl (meth) acrylate, mono (meth) acrylate percutaneous, 1, 6 - hexanediol mono (meth) acrylate, (meth) acrylate tree porous, in d pen hit [su [thol pen hit (meth) acrylate, neopentylglycol mono (meth) acrylate pen [thil writing this call, trimethylolpropane di (meth) acrylate, di (meth) acrylate tree the methyl the ethane which comes, 2 - hydroxy - 3 - phenyl (meth) acrylate [...], gap claw pen [thil 4 - hydroxy (meth) acrylate, 4 - hydroxy (meth) acrylate and (meth) acrylate of at least one gap claw [heyk thread 1 be a mono cyclohexanedimethanol. 10% By weight to 40% by weight of said (meth) acrylate monomer mixture from a hydroxylated, 10% by weight to 25% by weight for example, 15% by weight to 25% by weight can be included. The pressure-sensitive adhesive film adhesion and high reliability can be improved and said range, film layer in adhesive film loss, low temperature, room temperature, elevated temperatures even with varying haze, is not less than the rate of change of modulus is lowered, folding can be excellent.

Containing alkyl (meth) acrylate to form a matrix of adhesive film can be. Alkyl of 1 to 20 carbon atoms containing (meth) acrylate is a linear or branched alkyl (meth) acrylic acid substituted or unsubstituted can be a pharmaceutically acceptable ester thereof. For example, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, n - butyl (meth) acrylate, butyl (meth) acrylate t -, iso - butyl (meth) acrylate, neopentyl (meth) acrylate, hexyl (meth) acrylate, (meth) acrylate [...], ethylhexyl (meth) acrylate, octyl (meth) acrylate, octyl (meth) acrylate isocyanate, nonyl (meth) acrylate, (meth) acrylate it will be burnt, it will soak (meth) acrylate and (meth) acrylate comprising at least one of methacrylated can. 60% By weight to 90% by weight alkyl (meth) acrylate containing said monomer mixture, 60% by weight to 85% by weight for example, 75 weight % to 85 weight % can be included. Said adhesive film adhesion and high reliability can be improved in the range.

Said monomer mixture further comprises a copolymerizable monomer can be. Copolymerizable monomers are (meth) acrylic copolymer is included, (meth) acrylic copolymer, adhesive film composition or additional adhesive number effect can be [...] number. A copolymerizable monomer is (meth) acrylate alkyl (meth) acrylate containing a hydroxylated as other monomers, monomers having ethylene oxide, propylene oxide monomers having, monomer with amine group, monomers having alkoxy, phosphorus acid groups monomer with, monomer with acid groups, a phenyl group to the monomer with, monomer with particles are hydrophobicized, diplopia labor pains carboxylic monomer with, (meth) acrylate containing and amides comprising at least one of can.

Ethylene [...] monomers having ethylene oxide (- CH₂ CH₂ O -) at least one (meth) acrylate monomer containing 1 can be used. Monomethyl ether (meth) acrylate e.g. polyethylene oxide, polyethylene oxide mono ethyl ether (meth) acrylate, polyethylene oxide (meth) acrylate mono propyl ether, polyethylene oxide mono butyl ether (meth) acrylate, polyethylene oxide mono (meth) acrylate neopentyl ethers, polyethylene oxide dimethyl ether (meth) acrylate, polyethylene oxide (meth) acrylate diethyl ether, polyethylene oxide mono (meth) acrylate isopropyl ether, polyethylene oxide mono (meth) acrylate isobutyl ether, polyethylene oxide mono (meth) acrylate [thu butyl ether (meth) acrylate such as polyethylene oxide ether but, one composite number are not disclosed.

Propylene oxide monomethyl ether (meth) acrylate monomers having polypropylene oxide, polypropylene oxide mono ethyl ether (meth) acrylate, (meth) acrylate polypropylene oxide mono propyl ether, mono butyl ether (meth) acrylate polypropylene oxide, polypropylene oxide (meth) acrylate mono neopentyl ether, dimethyl ether (meth) acrylate polypropylene oxide, polypropylene oxide (meth) acrylate diethyl ether, mono isopropyl ether (meth) acrylate polypropylene oxide, polypropylene oxide (meth) acrylate isobutyl ether mono, [thu butyl ether (meth) acrylate such as polypropylene oxide mono (meth) acrylate polypropylene oxide ether but, one composite number are not disclosed.

Aminoethyl (meth) acrylate monomers with monomethyl amine group, mono (meth) acrylate ethyl aminoethyl, aminopropyl (meth) acrylate monomethyl, aminopropyl (meth) acrylate mono ethyl, methyl aminoethyl (meth) acrylate die, a cationic ribosome composed of (meth) acrylate, (meth) acrylate view [thil amino ethyl N a-tert -, an amine group containing (meth) acrylic monomer such as (meth) acrylate maul [thu reel jade hour ethyl try methyl ammonium claw id but a composite number are not disclosed.

The 2 - methoxy ethyl (meth) acrylate monomers having alkoxy, the maul [thok hour pro it will bloom 2 - (meth) acrylate, 2 - (meth) acrylate [thok hour pro it will bloom, 2 - hydroxypropyl (meth) acrylate profile, maul [thok hour pen [thil 2 - (meth) acrylate, 2 - (meth) acrylate [...], 2 - hydroxypropyl (meth) acrylate cyclohexyl, maul [thok hour pen [thil 3 - (meth) acrylate, 3 - (meth) acrylate [...], 3 - hydroxypropyl (meth) acrylate cyclohexyl can be, one composite number are not disclosed.

2 - (Meth) acrylate monomers containing phosphorus acid groups with jade hour ethyl die phenyl gun [su pay [thu which rises with the maul [thu reel, jade hour ethyl gun [su pay [thu which rises with the maul [thu reel tri (meth) acrylate, tri (meth) acrylate with acrylic monomer containing phosphorus acid groups such as jade hour ethyl gun [su pay [thu which rises with the acryl but, a composite number are not disclosed.

The monomers having acid groups (meth) acrylate sodium propyl sulfonyl, 2 - sulphoethyl (meth) acrylate sodium, 2 - acrylamido - 2 - methyl acrylic monomer having acid groups but the opinion phone which is a pro lung it buys sodium and the like, one composite number are not disclosed.

P a-tert - butyl phenyl (meth) acrylate monomers having a phenyl group, (meth) acrylate o - biphenyl, lung stipendiary hour ethyl (meth) acrylate such as phenyl with acrylic vinyl monomer is enabled, one composite number are not disclosed.

The acetoacetoxy-functional (meth) acrylate monomer with 2 - particles are hydrophobicized axe, vinyl [...], vinyl sprout hereupon [thok it will be sour, column, vinyl tris (2 - [...]) silane, vinyl try oh tax [thok it will be sour, column, such as (meth) acrylic monomer with the jade hour pro which rises the try maul which will bloom [thok it will be sour, column are hydrophobicized by having improved but, one composite number are not disclosed.

(Meth) acrylic acid monomers having carboxylic diplopia labor pains, 2 - carboxylic ethyl (meth) acrylate, propyl (meth) acrylate 3 - carboxy, 4 - carboxylic butyl (meth) acrylate, itaconic, compress [...], maleic acid, fumaric acid and maleic anhydride and the like but, their number one must not disclosed.

Amide group-containing (meth) acrylate (meth) acrylamide, (meth) N - methyl acrylamide, (meth) acrylamide acid N -, N - methoxymethyl (meth) acrylamide, N, N - methylene bis (meth) acrylamide, hydroxyethyl (meth) acrylamide N -, N, N - diethyl (meth) acrylamide can be one or more. In particular, N - hydroxyethyl (meth) acrylamide, N, N - diethyl (meth) acrylamide and implementing the inventive disease effect of the invention, alkyl (meth) acrylate containing (meth) acrylate has excellent compatibility with a hydroxylated thereof can effect.

Said monomer copolymerizable monomer mixture 30 weight % hereinafter, specifically 20 weight % hereinafter, 1% by weight to 15% by weight more specifically can be included. Said adhesive film composition to further enhance reliability and high adhesion of the pressure-sensitive adhesive number range can be. Said monomer mixture 5 weight % hereinafter monomers having carboxylic diplopia labor pains, specifically 3 weight % hereinafter, more specifically can be content of 1 weight % hereinafter. Said adhesive film composition to further enhance reliability and high adhesion of the pressure-sensitive adhesive number range can be.

Said monomer mixture further comprises an indication of the methacryloxy polyethoxypropane can be. By an active energy ray curable macro mono [me has functional groups, (meth) acrylate and/or alkyl groups containing (meth) acrylate comprises a polymer formed from a hydroxylated can be. Specifically, macro mono [me can be represented by formula 1 a:

Formula 1><

(In said formula 1, R¹ Is hydrogen or methyl group, X is a single bond or 2 of couplers, Y (meth) acrylate is methyl, ethyl (meth) acrylate, n - butyl (meth) acrylate, butyl (meth) acrylate iso -, t - butyl (meth) acrylate, styrene, (meth) acrylonitrile polymer obtained by polymerizing at least one selected from one or 2 1 chain).

2 C1 to C10 alkylene is combiner, C7 to C13 of biting alkyl [leyn, it will be biting, [leyn of C6 to C12, - NR² - (The, R² Is hydrogen, or C1 to C5 alkyl), COO -, - O -, - S -, - SO₂ NH -, - NHSO₂ -, - NHCOO -, - OCONH, can be derived from herbal or heterocyclic. In addition, the combiner can be represented by the formula 1a to 2 to formula 1d:

Formula 1a><

Formula 1b><

Formula 1c><

Formula 1d><

(In formula 1d to said formula 1a, is present at face of the *)

Number average molecular weight of 2,000 to 20,000 macro mono [me, specifically 2,000 to 10,000, more specifically 4,000 to 8,000 can be disclosed. Said range, sufficient cohesive strength can be achieved and, having excellent heat resistance, adhesive composition viscosity increase number by lowering of the workability can number billion.

A glass transition temperature of 40 °C to 150 °C macro mono [me, specifically 60 °C to 140 °C, more specifically 80 °C to 130 °C is can be. Said range, may be adhesive film is cohesion, or adhesion can be adhesively lowering of the degree number billion.

Commercial products can be using macro mono [me. For example, end the meta [khu with reel diary purities, it is a meta [khu relay [thu methyl macro monomer Y corresponding segments, the segments corresponding macro monomer Y polystyrene, styrene/acrylonitrile Y corresponding segments macro monomer, butyl acrylate using macro monomer Y corresponding segments can be.

Said monomer mixture macro mono [me 20 weight % hereinafter, specifically 0. 1% By weight to 20% by weight, 0. 1% By weight to 10% by weight, 0. 5% By weight to 5% by weight can be included. Said range, can be balanced with viscoelasticity modulus and restoring of adhesive film, adhesive film haze thereof can increase.

Disclosure number composition further comprises adhesive number can be. Disclosure number is said monomer mixture, (meth) acrylic copolymer (partially polymerized) macro methacryloxy polyethoxypropane cure or, for use in a viscous liquid film cured can be. Disclosure number photopolymerization is disclosure number, make sum disclosure number can be one or more.

As photopolymerization disclosure number, etc. for light irradiation triarylaminosilane group if the aforementioned radically polymerizable compound can be, alternatively the can be used. For example, benzo phosphorus-based, hydroxy ketone-based, amino ketone orgin or phosphine oxide optical fiber can be disclosure number etc., specifically, for the preparation of an, benzo methyl ether, for the preparation of an ethyl ether, isopropyl ether for the preparation of an, for the preparation of an n - monobutyl ether, for the preparation of an isobutyl ether, 2, 2 - dimethoxy - 2 - phenyl phenylacetophenone, 2, 2 '- directed to d [thok at the time of α2, 2, 2' - d department [thok city process for α2, 2 - hydroxy - 2 - methyl propionate α2, p-a t - butyl trichloro process for α2, α2 dichloro p-a t - butyl acetoacetoxy-functional, 4 - chloro process for α2, 2, 2 ' - dichloro - 4 - phenoxy process for α2, α2 compounds such as acetoacetoxy-functional, it knows roh process for dimethyl α2, 2, 2 - dimethoxy - 2 - phenyl phenylacetophenone, 2, 2 - phenyl - 2 - to d [thok at the time of phenylacetophenone, 2 - hydroxy - 2 - methyl - 1 - phenyl propane -1 on, 2 - benzyl - 2 - dimethylamino - 1 - (4 - wool pulley furnace phenyl) - butane - 1 - on, 1 - hydroxy hour claw [heyk thread phenyl ketone, 2 - methyl - 1 - [4 - (methyl thio) phenyl] - propane - 1 - on - 2 - mole roh gun, 4 - (2 - hydroxyethoxy) phenyl - 2 - (hydroxy - 2 - propyl) ketone, benzophenone, p - phenyl benzophenone, 4, 4 non CD ethylamino benzophenone, dichloro benzophenone, 2 - methyl anthraquinone, 2 - ethyl anthraquinone, 2 a-t - butyl anthraquinone, 2 - amino anthraquinone, 2 - methyl [...] (thioxanthone), 2 - ethyl [...], 2 - chloro [...], 2, 4 - dimethyl [...], 2, 4 - d ethyl mote five cup ton, benzyl d methyl [khey mask, α2 acetoacetoxy-functional dimethyl ketal, dimethylamino p - iodobenzoic acid ester, [2 - hydroxy - 2 - methyl - 1 - [4 - (1 - methyl vinyl) phenyl] propane non] oligo and 2, 4, 6 - trimethyl benzoyl - diphenyl - phosphine oxide or the like is cited. The application is exposed in said heterogeneous or it can be one or more than one, the number one are not disclosed.

Disclosure number is a pressure of 20 MPa, without having the aforementioned properties specifically defined if, for example, azo-based compound, such as using conventional disclosure number efficiency and a peroxide compound or redox (redox) based compound can be. 2, 2 - Azo-based compound in said examples of azo bis (2 - methyl butyrate methacrylonitrile), 2, 2 - [...] (methacrylonitrile isobutyrate), [...] 2, 2 - (2, 4 - dimethyl ballet methacrylonitrile), 2, 2 - azo bis - 2 - hydroxy methyl pro bloom the knit reel nitro, methyl dimethyl - 2, 2 - azo bis (2 - methyl propionate) and 2, 2 - azo bis pioglitazone (4 - methoxy - 2, 4 - dimethyl ballet methacrylonitrile) such as cited, efficiency and a peroxide compound examples of potassium with miscarriage, an inorganic peroxide such as hydrogen peroxide or ammonium persulfate; or a diacyl peroxide, peroxy dicarboxylic acid carbonate, peroxy ester, tetra [...] Neo car roh a [thu, bis (butyl 4 - hour claw [heyk thread) [...], di (2 - ethylhexyl) peroxy carbonate, butyl peroxy Neo car roh a [thu, dipropyl carbonate peroxy dicarboxylic acid carbonate, diisopropyl peroxy dicarboxylic acid carbonate, to d [thok hour ethyl peroxy dicarboxylic acid carbonate, to d [thok at the time of [heyk thread peroxy dicarboxylic acid carbonate, hexyl peroxy dicarboxylic acid carbonate, d maul [thok father-in-law [thil peroxy dicarboxylic acid carbonate, bis (3 - methoxy - 3 - maul [thok father-in-law [thil) peroxy dicarboxylic acid carbonate, dibutyl peroxy dicarboxylic acid carbonate, d tax [thil (dicetyl) peroxy dicarboxylic acid carbonate, d in advance the steal (dimyristyl) peroxy dicarboxylic acid carbonate, 1, 1, 3, 3 - tetramethyl butyl it ladles, jade hour blood ballet the [thu (peroxypivalate), hexyl peroxy pivalate, butyl peroxy pivalate, trimethyl process [...] peroxide, dimethyl hydroxy butyl it ladles and the jade is sour and the car roh a [thu which comes, amyl it ladles and the jade is sour and the car roh a [thu which comes, it ladles and the jade is sour and the car roh a [thu which comes butyl, t - butyl peroxy Neo heptanoate, oh wheat ladling jade city pivalate (pivalate), t - butyl peroxy pivalate, t - amyl peroxy - 2 - ethyl [...], it will soak peroxide, [...] (dilauroyl) peroxide, it will be roh d car peroxy reactors, peroxide such as benzoyl peroxide or peroxide or organic hydroperoxide dibenzoylmethane cited, [ley poisonous [su orgin compound examples of combination but as to the number reduction efficiency and a peroxide compound mixture, the one number are not disclosed. The application such as an azo dye in said, intermediate for [ley poisonous [su orgin or efficiency and a peroxide can be using more mixed or xenogeneic.

Disclosure number is 100 parts by weight of said (meth) acrylic copolymer constituting monomer mixture 0. 0001 Parts by weight to 5 parts by weight, specifically 0. 001 Parts by weight to 3 parts by weight, more specifically 0. 001 Parts by weight to 1 parts by weight can be. Said range can be fully curing reaction proceeds, the remaining balance of disclosure number is pressure drop to open, bubbles may be in addition may have excellent reactivity.

Adhesive number composition further comprises thread column couple ring number can be. Thread column couple ring number is a predetermined radius of curvature in an adhesive film having a predetermined period of time even if it is left for air bubbles removed by irradiation in high temperature and high humidity conditions frame a uniform good can. The number of known to one skilled using conventional silane coupling can be. For example, 3 - glycidic [...], 3 - glycidic jade hour pro [thok it will be sour in the tree which will bloom, column, 3 - glycidic jade hour pro the methyl which will bloom butyldialkoxysilanes, 2 - (3, 4 - epoxy hour claw [heyk thread) ethyl tree maul [thok thread column such as epoxy having silicon compound; vinyl trimethoxy silane, vinyl silane [thok at the time of tree, (meth) acrylic polymerizable unsaturated group-containing silicon compound such as oxy propyl trimethoxysilane; 3 - aminopropyl trimethoxysilane, N - (2 - aminoethyl) - 3 - aminopropyl trimethoxysilane, N - (2 - aminoethyl) - 3 - aminopropyl methyl amino group-containing silicon compound such as butyldialkoxysilanes; and 3 - chloro propyl trimethoxysilane or similar can include at least one selected from the group consisting 1 but, one number to them are not disclosed. Preferably, silane coupling number can be using epoxy structure. Thread column couple ring number is 100 parts by weight of said (meth) acrylic copolymer constituting monomer mixture 0. 01 Parts by weight to 3 parts by weight, specifically 0. 01 Parts by weight to 1 parts by weight can be. Said film layer of an intervening in the interference pattern can be in the range of bending, low temperature, room temperature, temperature difference between low peel force thereof can.

Number composition includes number can be further comprises adhesive. Crosslinked adhesive number number is increased and the mechanical strength of adhesive film can be a crosslinking composition are provided. Polyfunctional (meth) comprises an active energy ray-curing possible crosslinking number a can be acrylate comprises. In one embodiment, 1, 4 - butanediol di (meth) acrylate is crosslinked number, 1, 6 - hexanediol di (meth) acrylate, neopentylglycol di (meth) acrylate [...], polyethylene glycol di (meth) acrylate, neopentylglycol di (meth) acrylate pen [thil glycol oh d pay [thu, di (meth) acrylate DC [...], di (meth) acrylate modified DC [...] polycaprolactone, ethylene oxide modified di (meth) acrylate, di (meth) acrylic hydroxyethyl isocyanurate, allylated cyclohexyl di (meth) acrylate, (meth) acrylate tree hour claw space d methane this year, dimethyl (meth) acrylate roll DC claw pentane d, hexahydro phthalic acid di (meth) acrylate modified ethylene oxide, (meth) acrylate tree hour claw space d methanol, trimethyl propane di (meth) acrylate modified [...] neohesperidin dihydrochalcone, 9, 9 - di (meth) acrylate or adamantane (adamantane) bis [4 - (2 - acrylic with in the jade city which rises [thok at the time of) phenyl] fluorene 2 functional acrylate such as; tree (meth) acrylate methyl roll propane tree, in d pen hit [ssu [thol tree (meth) acrylate, (meth) acrylate modified propionic acid in d pen hit [ssu [thol tree, fabric softening products (meth) acrylate tree, tree methyl roll propane tree (meth) acrylate modified propylene oxide, (meth) acrylate or tris (meth) acrylic rock hour ethyl cow city oh trouble [ley [thu 3 3 functional urethane such as functional type acrylate; (meth) acrylate or in pen hit [ssu [thol tetra (meth) acrylate such as 2 d glycerin 4 functional type acrylate; (meth) acrylate such as pen hit in d pen hit [ssu [thol 5 functional type acrylate; (meth) acrylate and in d pen hit [ssu [thol process, hexa (meth) acrylate or urethane (meth) acrylate modified in d pen hit [ssu [thol polycaprolactone (ex. (Meth) acrylate reactant such as an isocyanate monomer and tri methyl roll propane tree 6 but as to the functional type acrylate, the one number are not disclosed. They can be used in combination at least one alone or 2. (Meth) acrylate is preferably crosslinked number polyhydric alcohol fused ring can be used. (Meth) acrylic copolymer is crosslinked number constituting 0 100 parts by weight of said monomer mixture. 001 Parts by weight to 5 parts by weight, specifically 0. 003 Parts by weight to 3 parts by weight, specifically 0. 005 Parts by weight to 1 parts by weight can be. Good adhesion of said range and increase trust flow tides.

Adhesive number number for accelerating curing composition may optionally, ionic liquid, lithium salt, inorganic filler number, softening number, number atmospheres, anti-oxidation number, number aging, stable number, tackifying resin, dog qualitative resin (polyol resin, phenol resin, acrylic resin, polyester resin, polyolefin resin, epoxy resin, such as a resin polymerization of poly epoxidation arene), leveling number, vesicle number, number plasticizer, dye, pigment (coloring pigment, extender pigment or the like), processing number, UV blocking number, number whitening paper coating compositions, dispersion number, thermal comfort number, number adsorbed, ultraviolet absorbing number, antistatic number, aggregation number, number and number can be further comprises addition of normal number for lubricating.

Adhesive number composition viscosity can be is 25 °C 300 cPs to 50,000 cPs, said good coatable thickness uniformity range covering the object thereof can.

(Meth) acrylic copolymer adhesive composition having hydroxyl number for partially polymerized monomer mixture disclosure number, additional disclosure number, number of methacryloxy polyethoxypropane macro included 1308. bath. The above-mentioned crosslinked number, thread column couple ring number, number added further to be included may be filled. Or, (meth) acrylic copolymer adhesive composition having hydroxyl number for a monomer mixture, disclosure number, and partially polymerized mixture including macro methacryloxy polyethoxypropane, additional disclosure number is included number bath 1308. The above-mentioned crosslinked number, thread column couple ring number, number added further to be included may be filled. The partially polymerized solution polymerization, suspension polymerization, photopolymerization, bulk polymerization, or emulsion polymerization can be. Specifically, monomer mixture solution polymerization can be carried out in adding disclosure number 50 °C to 100 °C. 2, 2 - Dimethoxy - 2 - phenyl and 1 - hour claw [heyk thread phenyl ketone including disclosure number is like using photopolymerization initiator such as acetoacetoxy-functional hydroxy [...] phenylacetophenone disclosure number can be. The partially polymerized 1, 000cPs 25 °C to 10, 000cPs viscosity, specifically viscosity 4, 000cPs to 9, 000cPs can into the polymer. The number bath 1308. adhesive film conventional method. For example, release film coating composition after curing adhesive number number can be high pressure liquid coolant. 300 Nm to 400 nm wavelength in a free oxygen deficient state cured low pressure lamp dose 400 mJ/cm² To 3000 mJ/cm² Comprising irradiation of the can.

In the embodiment according to the (meth) acrylate and (meth) acrylate adhesive film is formed from a hydroxylated alkyl containing monomer mixture including, can be disclosure number and organic nanoparticles. Increased modulus of the adhesive film at high temperature organic nanoparticle divided into a high-temperature pressure-sensitive adhesive film that is free from peeling and/or produced by and/or bubbles to thereby reliability of can be increased. Organic nanoparticle has a glass transition temperature of high modulus at high temperature adhesive film can be height. Organic nanoparticle specification represented above substrate. In modulus adhesive film is 80 °C: 1:1 to 1:10 in the ratio of the modulus -20 °C, 1:1 to 1:8 specifically, more specifically 1:1 to 1:6 can be disclosed. Said range, modulus at high temperature to low temperature adhesive film is applied to a non-adhesive film free from deformation since durability, excellent reliability, and adhesion between the deposited at wide temperature range (-20 °C to 80 °C) number which are connected, using the optical member can be flexible (flexible). In modulus adhesive film is 80 °C 10kPa to 500kPa, specifically 12kPa is to 300kPa can be. Said range, high temperature reliability thereof can improvements. In the pressure-sensitive adhesive film 25 °C 500kPa to 15kPa modulus, specifically 20kPa to 300kPa is can be. Said range, expressed viscoelastic properties at room temperature, as well as cellular good folding properties can be expressed. In the pressure-sensitive adhesive film modulus -20 °C 20kPa to 500kPa, specifically 30kPa to 500kPa is can be. Said range, expressed at a low temperature viscoelastic properties, cellular powders disclosed.

An adhesion film at high temperature and high modulus organic nanoparticles, ambient temperature and at high temperature and capable of folding-adhesive film, adhesive film of excellent not only in the cold and/or room temperature and, bottom by stably exhibit not only high temperature crosslinked pressure-sensitive adhesive film are disclosed. In addition applying specific average particle diameter nanoparticles, (meth) acrylic copolymer of nanoparticles and hydroxyl group by having reduced refractive index differences, in spite adhesive film organic nanoparticles may have excellent transparency.

An average particle diameter of 10 nm to 400 nm organic nanoparticle, 10 nm to 300 nm specifically, more specifically 10 nm to 200 nm, more specifically 50 nm to 150 nm can be is. Said range, can prevent lumping of organic nanoparticle, pressure-sensitive adhesive films in the rescue of folding does not affect, as refractive index differences even within range I is described for transparency of thereof can provide a pressure-sensitive adhesive film.

(Meth) acrylic copolymer index difference organic nanoparticle with sodium hydroxide 0. 1 Hereinafter, specifically 0 or more 0. 05 Hereinafter, specifically 0 or more 0. 02 Hereinafter can be is. In the range of said, transparency of adhesive film can be excellent. Organic nanoparticles having a refractive index of 1. 40 To 1. 70, Specifically 1. 45 To 1. 60 Can be disclosed. Said range, transparency of adhesive film can be excellent.

The glass bead (bead) organic nanoparticle core - shell type including simple nano particles may also be included but, is not limited. When core - shell type, said core and shell can include a satisfying formula 6 can be: i.e., both organic material be a core-shell nanoparticles. If the shape of the particles such as said, pressure-sensitive adhesive films in the rescue of folding-plate, elastic properties and softness of balance properties thereof can effective for treating.

<식 6>

< Tg Tg (c) (s)

(Said type 6 in Tg (c) core glass transition temperature (unit: °C) and, a glass transition temperature Tg (s) includes a shell (unit: °C) are disclosed).

The specification of the "shell" big most angle layer in organic nanoparticle. One be a core of spherical particles. However, if spherical particles having a glass transition temperature of said core that surrounds said additional layers further comprise a disapproval.

Specifically, core glass transition temperature -150 °C to 10 °C, specifically -150 °C to -5 °C, more specifically -150 °C is to -20 °C can be. The pressure-sensitive adhesive film is cold and/or room temperature range said viscoelastic effect thereof can. The polyalkyl (meth) acrylate having a glass transition temperature of said core, comprising at least one polybutadiene or polysiloxane during 1 can be.

Polyalkyl (meth) acrylate is methyl acrylate, polyethyl acrylate, poly propyl acrylate, polybutyl acrylate, poly isopropyl acrylate, poly [...], poly [...], polyethyl and polyethyl [...][...], comprising at least one polysiloxane can, one composite number are not disclosed.

The polysiloxane is e.g., polymer-based [...] (ball) can be. Which is a crosslinked polymer is not positioned [...] (ball) may be using, cross-linked polymer in combination (ball) disapproval. Impact resistance, coloring property of siloxane (ball) using the polymer being crosslinked for furnace can be positioned. In the form of cross linked by [...]-based, specifically cross-linked polydimethyl siloxane, methyl phenyl siloxane, etc. the d phenyl thread rock it buys or can be a mixture of 2 or more. 2 Or more copolymerized form positioned by using the roh room rock it buys this refractive index 1. 41 - 1. 50 Can be control.

Various organic solvent-based [...] (ball) crosslinked polymer can be dissolved by the degree to which a biased judgment. The displayed current to the dissolved by a solvent of the resulting crosslinked evaporating. For use acetone or toluene solvent crosslinked condition determination can be, specifically-based (co) polymers do not dissolve by acetone or toluene [...] portion may have. For toluene insoluble component can be at least 30% [...] copolymer-based.

Additionally said [...] (ball) is alkyl acrylate crosslinked polymer further comprises a phenyl-based polymer can be. Said alkyl acrylate crosslinked polymer is methyl acrylate, ethyl acrylate, n - butyl acrylate, 2 - ethylhexyl acrylate can be use. N - butyl acrylate or 2 - ethylhexyl acrylate e.g. low glass transition temperature can be used.

Specifically, shell glass transition temperature 15 °C to 150 °C, specifically 35 °C to 150 °C, more specifically 50 °C to 140 °C can be is. Said (meth) acrylic copolymer in the range of organic nanoparticles can be less. The polyalkyl [...] can be comprising said shell having a glass transition temperature. For example, polymethylmethacrylate (PMMA) poly, polyethyl methacrylate, poly propyl methacrylate, poly butyl meta [khu relay [thu, poly this cow pro the meta [khu relay [thu which will bloom, can comprise one or more of poly [...] and a gap claw [heyk thread meta [khu relay [thu, one composite number are not disclosed.

30% By weight to 99% by weight of organic nanoparticle core, 40 weight % to 95 weight % specifically, weight % to 90 weight % can be 50 more specifically included. Said range of, the pressure-sensitive adhesive film folding thereof can good wide temperature range. 1% By weight to 70% by weight of organic nanoparticle shell, 5 weight % to 60 weight % specifically, weight % to 50 weight % can be 10 more specifically included. Said range of, the pressure-sensitive adhesive film folding thereof can good wide temperature range.

Organic nanoparticles 0 100 parts by weight of said monomer mixture. 1 Parts by weight to 20 parts by weight, specifically 0. 5 Parts by weight to 10 parts by weight, specifically 0. 5 Parts by weight to 5 parts by weight can be. Said range, an adhesion film with viscoelasticity modulus can be balanced, low temperature, room temperature, can be excellent folding even with varying temperatures.

Organic nanoparticle is a conventional emulsion polymerization, suspension polymerization, solution polymerization method number 1308. the bath.

In the embodiment according to one optical member of the present invention optical film, and said adhesive film and the film is formed on one, according to the adhesive film of the present invention in the embodiment are pressure-sensitive adhesive film can be. Thus, an optical element has a good bending and/or good folding properties can be used in the flexible display device.

In one in the embodiment, the optical film has a given device display functions for example polarizing, optical compensation, for improving picture quality display, and/or conductivity as [...] number, an optical film includes a window film, window, polarizing plate, color filter, phase difference film, elliptically polarizing film, a reflective polarizing film, antireflection film, compensation film, brightness enhancing film, alignment film, the light diffusion film, glass shatter prevention film, surface protection film, OLED element barrier layer, plastic LCD substrate, ITO (indium tin oxide), FTO (fluorinated tin oxide), AZO (aluminum dopped zinc oxide), CNT (carbon nanotube), Ag nanowire (nanowire), including (graphene) yes pin like transparent electrode films is cited. The manufacturing method of the present invention hereinafter by the number bath for person with skill in the art optical film and flawless 1308.

For example, window film or optical film adhered to the touch pad is attached to the touch panel can be. The conventional polarizing film or a conventional adhesive film becomes disapproval.

In other in the embodiment, optical film as an optical film including an optically transparent optical film and adhesive film can be durable optical member serving as a display element. For example, window film or the like can be a display device. Window film is formed on said optical member and said optical member comprising window coating layer (example: silicone coating layer) can be. Window film table window film can be. Specifically, the optical film has a diffusion-transmittance of at least 90% in the visible region, including tax [thil cellulose triazole like cellulose resin, polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate, poly the butyl [leyn or the [phu the [ley which burns the [thu or the like including polyester resin, polycarbonate resin, polyimide resin, polystyrene resin, poly (meth) acrylate resin like slurry by including, [...] resin, acrylic resin, can be one or more of polyamide resin film are formed of resin. Optical film has a thickness of 10 to 100 micro micro m m, specifically 20 micro m to 75 micro m, 30 micro m to 50 m and more particularly to a micro may be disclosed. Said support can be used in the range of the display element.

An optical element has a optical film and adhesive film is formed on one optical member be a layer 2 is formed. Or an optical element has a 2 and at least one optical film, said optical film being at least 2 adhesive film of the present invention stacked by at least 3 at least one layer of film laminate may be disclosed.

In one embodiment, an optical element has a number 1 optical film, an optical film of the present invention stacked by said number 2 and number 2 optical film and said number 1 optical film be a film laminate layer adhesive film 3. Said number 1 optical film and said number 2 optical film comprises polyethylene terephthalate resin, polycarbonate resin, polyimide resin, poly (meth) acrylate resin, [...] resin, acrylic resin can be one or more of film are formed of resin. Said number 1 m to 100 m each optical film and said number 2 optical film thickness 10 micro micro, specifically 20 micro m to 75 micro m, 30 micro m to 50 m and more particularly to a micro, said adhesive film has a thickness of 10 to 100 micro m micro m can be disclosed. Said range, thereby maintaining good impact resistance while folding thereof can can be exposed. Each said number 1 optical film and said number 2 optical film thickness, can be identical or different material.

Optical display device of the present invention is adhesive film of the present invention can be. Optical display device is an organic light emitting device display device, liquid crystal display device can be like. Optical display device is a flexible display device can be. However, bag-type optical display device include flexible display device - may be filled.

Hereinafter, in the embodiment according to of the present invention is described with reference to flexible display device 1 also in 2000. Figure 1 shows a flexible display device in the embodiment according to the cross-section of one of the present invention also disclosed.

The reference also 1, one in the embodiment according to of the present invention flexible display device (100) is formed on part (110), adhesive layer (120), polarizing plate (130), touch screen panel (140), and flexible window film (150) and, pressure-sensitive adhesive layer (120) can be the adhesive film according to an embodiment of the present invention.

Display unit (110) includes a flexible display device (100) for the drive, formed on the substrate and OLED, LED, QLED (quantum dot light emitting diode) or LCD element including can be bone. Not shown but in Figure 1, display unit (110) at the bottom substrate, thin film transistor, organic light emitting diode, a planarizing layer, protective film, can be insulating.

Polarizing plate (130) is implementing a color screen or display or polarization [...] black or blue pigment can be lamp emits light. By adhering the polarizing plate can be configuration alone. Or a polarizing plate has a polarizer and a protective film polarizer can be formed one or two surfaces. Or a polarizing plate has a polarizer and a polarizer can be formed one or two surfaces to the color protection. Polarizer, protective film, conventional protective coating layer can be known to one skilled people.

Touch screen panel (140) is a human body or a stylus (stylus) touch conductors such as sensing a change in capacitance that is generated to generate electrical signals, the signal display unit (110) can be driven. Touch screen panel (140) conductive conductor patterning table and be formed so as to, number 1 sensor electrode pattern is formed on the sensor electrode number 1 and number 2 which intersects the sensor electrode number 1 comprising sensor electrode can be. Touch screen panel (340) for conductor metal nanowires, conductive polymer, carbon nanotube or the like but the number is not one.

Figure 1 shows a also polarizing plate (130) and touch screen panel (140) represent a non-light or by heating film or adhesive film, touch screen panel (140) to polarizer or polarizing plate polarization plate (130) and touch screen panel (140) can be is obtained by.

Flexible window film (150) is flexible display device (300) can be formed of regarding protecting display device.

Not shown in Figure 1 but, polarizing plate (130) and touch screen panel (140) between each other and/or touchscreen panel (140) covered with window film (150) disposed on the adhesive film of the present invention in the embodiment between by polarizing plate, touch screen panel, can be a strong coupling between the flexible window film.

Hereinafter, a structure and operation of the invention of the present invention preferred embodiment seen through the more detailed the on-sensors other. But, this is one example of the present invention to which the present invention is preferably also the one number is any number [...] interpreted meaning don't substrate.

Number attainments

The emulsion polymerization method, organic nanoparticles number was high pressure liquid coolant. Core poly butyl acrylate, poly methyl meta [khu relay [thu and shell, shell is 35% by weight of organic nanoparticle, and 65% by weight of organic nanoparticle core, average diameter is 100 nm, a refractive index 1. 48 High pressure liquid coolant in organic nanoparticles his number.

In the embodiment 1

100 Parts by weight of monomer mixture is to table 1, 3 parts by weight of organic nanoparticle number attainments, disclosure number Irgacure 651 0. 005 Parts by weight is mixed well in the reactor. Reactor dissolved oxygen during low-pressure mercury lamp ultraviolet irradiation after replacing the nitrogen gas by said moisture is partially polymerized monomer mixture, 25 °C number was a viscous liquid having a viscosity of 5, 000cps in high pressure liquid coolant. Disclosure number Irgacure 184 0 to the viscous liquid. 3 Parts by weight, the crosslinking number DPHA 0. 01 Parts by weight of an adhesive is dispersed into the high pressure liquid coolant composition number his number. A PET (polyethylene terephthalate) film release film composition adhesive number application, ultraviolet light 2000 mJ/cm² A light quantity of an adhesive film and PET film was irradiated number pressure sensitive adhesive sheet is high pressure liquid coolant.

In the embodiment 5 in the embodiment 2 to

The pressure-sensitive adhesive composition in the embodiment 1 number 1 to number such as ACS table changed [...] PET film was number the same method adhesion of film adhesion and high pressure liquid coolant.

Example 2 compared with comparison example 1

The pressure-sensitive adhesive composition in the embodiment 1 number 1 to number such as ACS table changed [...] PET film was number the same method adhesion of film adhesion and high pressure liquid coolant.

In the embodiment an adhesive sheet in number compared to the high pressure liquid coolant to 30 parts by weight table 1 to table 1 shown to evaluate the physical properties of the result.

(1) The rate of change of haze and haze: in the embodiment in comparison with 50 micro m input device number in a stand-alone embodiments of adhesive sheet after release film thickness are obtained. (Thickness: 3 mm) glass/in the embodiment, adhesive film (thickness: 50 micro m)/ITO film (thickness: 100 micro m) relate to comparing sequentially stacked layer structure for haze (H1) determined the sample 3. Haze Haze meter (Nippon Denshoku [...] model NDH 5000) equipment using the air. ASTM (American Society for Testing and Measurement) test method D 1003 - 95 ("transparent plastic of inspection method and luminous transmittance for standard test method (Standard Test for Haze and Luminous Transmittance of Transparent Plastic)") according to haze were measured.

93% Relative humidity during 60 °C and 3 mm and said specimen, said method identical to the haze (H2) was determined. The rate of change of said type 1 haze according to the bill.

The specimen result to said sequential 24 time are repeated and a 10 cycle 1 cycle, said method identical to the haze (H3) was determined. The rate of change of said type 5 haze according to the bill.

1 Cycle<>93% relative humidity of 93% in 2 hours while maintaining 60 °C→60 °C and relative humidity of the temperature 25 °C up slowly in air conditioner 3. 5→25 °C 2 93% relative humidity to the solution while maintaining time in time to the 93% relative humidity gradually while maintaining temperature 60 °C→25 °C slowly in one part 2 in air conditioner 3→60 °C and relative humidity of 93%. 5→25 °C 93% relative humidity to the solution while maintaining→25 °C and relative humidity of 93% in 2 hours to the solution slowly in one part of air conditioner→-10 °C 2 0. 5→-10 °C in time constant of 3 in one part. 5→25 °C→25 °C and relative humidity of 93% 93% relative humidity to the solution while maintaining time of 2 hours in air conditioner 1 temperature loss.

(2) Modulus and modulus change rate: in the embodiment in comparison with a stand-alone micro m input device 50 in number after release embodiments of adhesive sheet obtained film thickness. In measuring device by means of a dynamic rheometer (Rheometer) using shear rate 1rad/sec (Anton Paar [...] MCR-a 501), strain 1% viscoelasticity in auto strain conditions were measured. Said adhesive film has a thickness of 8 mm in diameter perforated laminate is manufactured by depositing 500 micro m plurality punched sample was used in the controller. Using said jig of 8 mm in 5 °C/min in a temperature rise in the sample load 300gf -60 °C to 90 °C to 100 parts by mass rate when the thermal measurement, -20 °C, 25 °C 80 °C (G1) and each modulus was determined. Said adhesive film 60 °C and relative humidity of 93% in 3 mm and during, said method identical to the 25 °C (G2) was determined by measuring in modulus. The rate of change of said type 2 modulus according to the bill.

(3) Peel strength: in the embodiment in comparison with PET film from release to embodiments of adhesive sheet adhesive film (thickness transverse longitudinal x x: 100 mm x 25 mm x 100 micro m) by Congress. One aspect of PET film (thickness transverse longitudinal x x: 150 mm x 25 mm x 75 micro m) corona treatment adapted for use with a 1 to 2 times (total dose: 156dose) corona discharges 78 doese acoustics for dosing was corona while processing. Said adhesive film of Figure 2 (a) and a lower face of said PET lining on both sides of each number of a sample by corona treatment of film was high pressure liquid coolant. Pressure 3 specimen. 5Bar, 1000 seconds in autoclave and 50 °C, TA. XT_- With respect to the fixed Plus Texture Analyzer (Stable Micro System (number)). (B) the reference of Figure 2, TA. XT_- In one Plus Texture Analyzer 25 °C or 60 °C using PET film is immobilize and, as the other PET film is pulled at a speed of 50 mm/min were measured peel strength.

(4) Clip: 3 also reference surface, PET (polyethylene terephthalate) film (length x width, 45 mm x 15 mm) (length x width, 15 mm x 15 mm) of each end portion the adhesive film 2 to cross each other via adhesive The holding unit is his number shows a high pressure liquid coolant. PET film have an area of contact between the pressure-sensitive adhesive film adhesive film (length x width, 15 mm x 15 mm) are the same duty ratio. Said TA specimen (TA. XT Plus Texture Analyzer (Stable Micro System number bath)) to receive, load W 500gf 0 to 25 °C. Any adhesive film at a rate of 6 mm/min when one PET film were measured distance motion PET from film 600 seconds.

(5) Folding evaluation: in the embodiment in comparison with PET film from release to adhesive film adhesive sheet embodiments are obtained. Polyethylene terephthalate film (thickness: 50 micro m), said adhesive film (thickness: 100 micro m), and polyethylene terephthalate film (thickness: 100 micro m) 3 sequentially stacked layer structure and a cross-section of the rectangular sample number (x lateral longitudinal: 13 cm x 3 cm) high pressure liquid coolant, the center of the lateral length of said frame between said spaced apart 1 cm sample polyethylene terephthalate film (thickness: 50 micro m) 1/2 so that the direction of bending said into (1) a sequential repeating cycle 1 cycle time 10 24 result when air bubble generating, adhesive film crack, Fail delamination phenomenon, when american occurrence was described as Pass. Determines the optical microscope (Olympus yarn, EX-a 51) measured by the Image warp knitting Mountech yarn Mac-a view software was analyzed.

* 2 A-EHA: 2 - ethyl [...], 4 a-HBA: 4 - hydroxy butyl acrylate, n-a BA: n - butyl acrylate, macro monomer: AA-a 6 (Toakosei yarn), crosslinked number: DPHA (hexa (meth) acrylate in d pen hit [ssu [thol)

As shown in the table 1, the adhesive film is left in the embodiment of the functional film layer in contrast after haze, which has a low rate of change of modulus, low temperature, room temperature, high temperature rate of change is low haze even with varying a transmission option-folding. The difference in the embodiment is applied to a peel strength between high temperature solid adhesive film of highly reliable, with low temperature to high modulus at high temperature durability, reliability superb.

For the embodiment of the present invention simple modifications to change by person with skill in the art coagulants are hereinafter can be, such deformation or modification of the present invention can be both included in the region of the branch.