ADHESIVE FILM, OPTICAL MEMBER COMPRISING SAME, AND OPTICAL DISPLAY DEVICE 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" acrylic and/or components in the methacrylate, "copolymer" is an oligomer, a polymer or resin can be. The specification in one or more hydrogen atoms substituted C1 to C10 it became "substituted or nonsubstituted substituted" alkyl, C1 to C10 alkyl thio, C1 to C10 alkoxy group, halogen (F, Cl, I or Br), a cycloalkyl group of C3 to C10, or C6 to C20 substituted with allyl of which means that the other.

The acrylic pressure-sensitive adhesive layer the pressure-sensitive adhesive film between the silicone-based adhesive layer specification "interface peel strength" acrylic pressure-sensitive adhesive layer is an adhesive film, silicone pressure-sensitive adhesive layer, when the acrylic pressure-sensitive adhesive layer acrylic pressure-sensitive adhesive layer 3 layer structure each rail corona treated polyethylene terephthalate film adhered to and, in 300 mm/min. to 25 °C 180° peel strength and peel-off rate, acrylic pressure-sensitive adhesive layer adhesive film, silicone adhesive layer when the adhesive layer acrylic pressure-sensitive adhesive layer 2 layer structure corona treated PET film and adhered to a silicon glass, 300 mm/min. rate 25 °C 180° in peel strength to peel-off are disclosed.

The specification is the pressure-sensitive adhesive layer or an adhesion film "modulus" storage modulus and, pressure-sensitive adhesive layer or adhesive film thickness 8 mm and diameter of a sample number and a plurality are stacked perforated 500 micro m high pressure liquid coolant, shear rate 1 rad/sec, at temperature in the range of 5 °C/min to 90 °C -60 °C using auto strain in strain 1% jig of 8 mm at the operating speed and temperature rise, one of the -20 °C, respectively 25 °C and 80 °C modulus was determined. The specification of the "average particle diameter" Malvern Zetasizer nano-a ZS [...] organic particles in aqueous or organic-based solvent equipment measuring Z-a average diameter of organic particle description are disclosed.

Hereinafter, pressure-sensitive adhesive film of the present invention products on the one in the embodiment according to 1 also describes other. Figure 1 shows a pressure-sensitive adhesive film of the present invention also one in the embodiment according to the cross-section of disclosed.

The reference also 1, adhesive film (100) number 1 is (meth) acrylic pressure-sensitive adhesive layer (110) and silicone-based pressure-sensitive adhesive layer (120) and, number 1 (meth) acrylic pressure-sensitive adhesive layer (110) comprising an emulsion number (not shown in Figure 1) can be.

Silicone-based pressure-sensitive adhesive layer (120) is number 1 (meth) acrylic pressure-sensitive adhesive layer (110) formed on the in the nanometer range. The (meth) acrylic pressure-sensitive adhesive layer "formed directly" said number 1 (110) and silicone-based pressure-sensitive adhesive layer (120) between any pressure-sensitive adhesive layer, interposed adhesive layers is not big. Adhesive film (100) number 1 is (meth) acrylic pressure-sensitive adhesive layer (110) by including a silicone-based pressure-sensitive adhesive layer (120) number 1 and (meth) acrylic pressure-sensitive adhesive layer (110) in the first interface between peel strength, silicon-based pressure-sensitive adhesive layer (120) number 1 and (meth) acrylic pressure-sensitive adhesive layer (110) not separated from each other adhesive film (100) can be integrated. Specifically, silicone pressure-sensitive adhesive layer (120) number 1 and (meth) acrylic pressure-sensitive adhesive layer (110) interface between the abruption intensity 600gf/in or more, more specifically 600gf/in to 5, 000gf/in, more specifically 600gf/in to 1, 500gf/in is connected to the edifice.

Adhesive film (100) silicone-based pressure-sensitive adhesive layer (120) thereby, excellent stress relaxation, silicone pressure-sensitive adhesive layer (120) number 1 and (meth) acrylic pressure-sensitive adhesive layer (110) where the peel strength of such high are not separated from each other. The, adhesive film (100) is bending and/or folding conditions has good bending and/or good folding properties, flexible display device can be used.

Specifically, adhesive film (100) satisfies formula 1, 25 °C folding characteristics as well as good bending and/or good, reliability and slag can be:

<식 1>

G2 (25) x 2 ≤ G1 (25) ≤ G2 (25) x 10

(Type 1 in, G2 (25) is 25 °C in silicon-based adhesive layer modulus, G1 (25) in the (meth) acrylic pressure-sensitive adhesive layer modulus 25 °C number 1).

Specifically, adhesive film (100) satisfies the formula 2, bending and/or good good even at temperatures as well as folding characteristics, adhesive film where the peel strength maintained, reliability and slag can be:

<식 2>

G2 (-20) x 10 ≤ G1 (-20)

(Said type 2 in, G2 (-20) is -20 °C in silicon-based adhesive layer modulus, in the (meth) acrylic pressure-sensitive adhesive layer modulus -20 °C G1 (-20) number 1).

Specifically, adhesive film (100) formula 3 satisfies, at higher temperature as well as good bending and/or good folding properties, silicone adhesive layer number 1 (meth) acrylic pressure-sensitive adhesive layer between peel force maintained, reliability and slag can be:

<식 3>

G1 (80) ≤ G2 (80)

(Said type 3 in, G2 (80) is 80 °C in silicon-based adhesive layer modulus, G1 (80) in the (meth) acrylic pressure-sensitive adhesive layer modulus 80 °C number 1).

Adhesive film (100) number 1 is (meth) acrylic pressure-sensitive adhesive layer (110) by including a good adhesion bonded onto an adherend, silicone pressure-sensitive adhesive layer (120) by including a good durability reliability thereof can. The specification is "stuck" in window film, transparent conductive film, polarizer, polarizing plate, organic light-emitting device or the like barrier but, the number is not one.

Adhesive film (100) in the modulus to 500KPa 10KPa -20 °C, 25 °C to 400KPa 10KPa in modulus, in modulus is 80 °C 10KPa to 300KPa can be. Said range, low temperature, can be excellent folding at high temperatures. Adhesive film (100) (example: wavelength 380 nm to 780 nm) 1% hereinafter haze in the visible light range, specifically 0. 0 to 1%. 9%, 90% or more diffusion-transmittance, specifically 95% to 99% can be is. Said range, transparency LED chip optical display device can be used. Adhesive film (100) has a thickness of 20 to 300 micro micro m m, m to 200 micro m can be is specifically 70 micro. Said range, optical display device can be used.

Hereinafter, number 1 (meth) acrylic pressure-sensitive adhesive layer (110) is described as follows.

Number 1 (meth) acrylic pressure-sensitive adhesive layer (110) is adhesive film (100) can be under public affairs number adhesion reliability and durability.

Number 1 (meth) acrylic pressure-sensitive adhesive layer (110) thickness of: silicone-based pressure-sensitive adhesive layer (120) has a thickness of the thickness of the 1:0. 5 to 1:5, specifically 1:1 to 1:5 is can be. Said range, adhesive film adhesion durability and good reliability, good bending and/or good folding thereof can exhibit good flexibility. Number 1 (meth) acrylic pressure-sensitive adhesive layer (110) has a thickness of 10 to 100 micro micro m m, m is 10 to 50 micro m can be specifically micro. Said range, optical display device can be used, silicone pressure-sensitive adhesive layer has an adhesive film thickness appropriate contrast can be under public affairs number both adhesion and stress relaxation. Number 1 (meth) acrylic pressure-sensitive adhesive layer (110) in the 25 °C to 400KPa 10KPa modulus, specifically 50KPa to 300KPa implementation being. Said pressure-sensitive adhesive film production process thereof can good reliability in the range. Number 1 (meth) acrylic pressure-sensitive adhesive layer (110) glass transition temperature (Tg) is 0 °C hereinafter, specifically -150 °C to 0 °C, more specifically -150 °C to -10 °C, more specifically -150 °C is to -20 °C can be. In the range of said, adhesive film low temperature and cold-in integer from 2 to 1,000. visco-elastic properties.

Number 1 (meth) acrylic pressure-sensitive adhesive layer (110) having hydroxyl (meth)- the hydroxyl-non-acrylate monomer mixture including machine monomer and hydroxyl group, a (meth) acrylic pressure-sensitive adhesive layers including number 1 number disclosure number and emulsifier can be formed from the silicone composition. Number 1 (meth) acrylic pressure-sensitive adhesive layer said (meth) acrylic copolymer is polymerized monomer mixture can be obtained. (Meth) acrylic copolymer for the viscous liquid is obtained in the monomer mixture in the partially polymerized after 500 to 5000cps viscosity, (meth) acrylic pressure-sensitive adhesive layer can be number number 1 curing coatings have high pressure liquid coolant.

Said partially polymerized (meth) weight average molecular weight of 500,000 g/mol to 2,500,000 g/mol specifically 700,000 g/mol to 2,000,000 g/mol the acrylic copolymer can be disclosed. Said range, a high-temperature high-humidity test reliability in improvements thereof can. (Meth) acrylic copolymer has a glass transition temperature (Tg) is -20 °C hereinafter, specifically -150 °C to -20 °C, more specifically -150 °C is to -30 °C can be. In the range of said, visco-elastic properties can be excellent low temperature and cold-in. In one embodiment, (meth) the acrylic copolymer having hydroxyl (meth)- hydroxyl-non-acrylate copolymer of a monomer mixture including machine monomer and hydroxyl group can be. The, adhesive film (100) glass transition temperature (Tg) is 0 °C hereinafter, specifically -80 °C to -10 °C and, formula 4 (Δ R) of rate of change of resistance is 5% hereinafter, specifically 0% to 5% can be is. In this case touch in capacitance value removed, capable of raising the sensitivity of the sensing signal outputted from the first time slot:

<식 4>

(In said type 4, P₁ The adhesive film is formed at both ends for the samples and determined by means of the initial resistance (unit: Ω), P₂ Said sample is 60 °C and 90% relative humidity resistance (unit: Ω) measure after left for 240 hours are disclosed).

Monomer can be a homopolymer of glass transition temperature non - machine hydroxide -20 °C hereinafter, specifically -150 °C is to -20 °C can be, alkyl (meth) acrylate monomers, monomers having ethylene oxide, propylene oxide monomers having, monomer with amine group, amide group monomer with, monomers having alkoxy, phosphorus acid groups monomer with, monomer with acid groups, and can comprise one or more of monomer with particles are hydrophobicized monomer with a phenyl group.

Alkyl (meth) acrylate monomer is a substituted or unsubstituted linear or branched alkyl (meth) acrylic esters of C12 comprising 1 to 20 can be. 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 [heyp[heyp], ethylhexyl (meth) acrylate, octyl (meth) acrylate, octyl (meth) acrylate isocyanate, nonyl (meth) acrylate, (meth) acrylate it will be burnt, it will soak (meth) acrylate can be one or more. Preferably, 4 to 8 carbon atoms alkyl (meth) acryl-based monomer, more preferably ethylhexyl (meth) acrylate of initial adhesive force by using more bottom can be disclosed.

Ethylene oxide monomers having ethylene oxide (- CH₂ CH₂ O -) at least one (meth) acrylate monomer containing 1 can be used. (Meth) acrylate in mono methyl e.g. polyethylene oxide, polyethylene oxide mono ethyl ether (meth) acrylate, (meth) acrylate oxide mono pro it will bloom polyethylene, polyethylene in oxide mono butyl (meth) acrylate, polyether (meth) acrylate oxide mono pen [thil[thil] polyethylene, polyethylene in oxide D methyl (meth) acrylate, (meth) acrylate in oxide D ethyl polyethylene, polyethylene oxide mono (meth) acrylate this cow pro it will bloom, polyethylene oxide mono cow butyl ether (meth) acrylate, polyethylene ether (meth) acrylate (meth) acrylate such as polyethylene in oxide alkyloxide mono [thu[thu] butyl but, one composite number are not disclosed.

Propylene oxide monomethyl ether (meth) acrylate monomers having polypropylene oxide, poly (meth) acrylate in propylene oxide mono ethyl, poly propylene oxide mono pro it will bloom (meth) acrylate, mono (meth) acrylate in butyl polypropylene oxide, poly (meth) acrylate propylene oxide mono pen [thil[thil] ether, poly in propylene oxide D methyl (meth) acrylate, poly (meth) acrylate in propylene oxide D ethyl, mono (meth) acrylate this cow pro it will bloom polypropylene oxide, polypropylene oxide (meth) acrylate isobutyl ether mono, poly (meth) acrylate (meth) acrylate such as polypropylene oxide ether ether propylene oxide mono [thu[thu] butyl 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[thil] amino ethyl N a-tert -, (meth) acrylic the jade hour ethyl sprout this methyl ammonium claw the id like a composite number but are not disclosed.

(Meth) acrylamide monomers having amide group, N - methyl (meth) acrylamide, (meth) acrylamide acid N -, N - methoxymethyl (meth) acrylamide, N, N - methylene bis (meth) acrylamide, 2 - hydroxyethyl (meth) acrylamide is red but, one composite number are not disclosed.

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

2 - (meth) acrylate monomer with (meth) acrylic with jade hour ethyl die phenyl gun [su[su] pay [thu[thu] which rises include phosphorus acid groups, (meth) acrylic with jade hour ethyl gun [su[su] pay [thu[thu] which rises tri (meth) acrylate, tri (meth) acrylic monomer is (meth) acrylic with jade hour ethyl gun [su[su] pay [thu[thu] which rises but having phosphorus acid groups such as, a composite number are not disclosed.

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

P a-tert - butyl phenyl (meth) acrylate monomers having a phenyl group, such as phenyl (meth) acrylate with (meth) acryl-based monomer o - biphenyl is enabled, one composite number are not disclosed.

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

(Meth) acrylate having hydroxyl group at least one hydroxyl group 1 C6 having 1 - 20 alkyl, C6 having at least one hydroxyl group of 1 5 - 20 cycloalkyl, (meth) acrylic acid having 6 - 20 carbon atoms or aryl group having 1 having at least one hydroxyl group can be ester. For example, 2 - hydroxyethyl (meth) acrylate, 4 - hydroxy butyl (meth) acrylate, 2 - hydroxypropyl (meth) acrylate, 2 - hydroxy butyl (meth) acrylate, hexyl (meth) acrylate can be one or more of 6 - hydroxy, one composite number are not disclosed. In particular, 1 to 5 alkyl (meth) acryl-based monomer containing hydroxyl group C6 having adhesion by using further synergistic effect can be disclosed. In one embodiment, a glass transition temperature (Tg) of (meth) acrylate having hydroxyl group is in the range of to -20 °C -80 °C homopolymer can be. For example, 4 - hydroxy butyl (meth) acrylate etc. one composite number but are not disclosed. The pressure-sensitive adhesive film glass transition temperature of said low temperature and cold-in viscoelastic characteristics disclosed.

For example, glass transition temperatures (Tg)-20 °C hereinafter said monomer mixture is 60% to 95% by weight hydroxyl and hydroxyl-non - machine monomer weight, weight % to 80 weight % 60 specifically, 5% by weight to 40% by weight (meth) acrylate having hydroxyl group, 20 weight % to 40 weight % can be specifically comprising.

Said non - machine hydroxide monomer mixture as monomer, a vinyl polymer having a monomer carboxylic diplopia labor pains, chains with or cycloaliphatic vinyl or vinylidene monomer, (meth) acryl-based monomer further comprises one or more alicyclic heterocyclic group can be.

Carboxylic diplopia labor pains vinyl with a vinyl polymer having a carboxylic acid, or a (meth) acrylic acid ester having diplopia labor pains can be. For example, β - (meth) acrylate monomer can be a vinyl polymer having a carboxylic ethyl diplopia labor pains said carboxylic acid, (meth) acrylic acid, itaconic, maleic acid, fumaric acid, vinyl acetate or similar means but at least one selected from the group consisting 1, one number to them are not disclosed. Less than 3% by weight of said vinyl polymer having a monomer is diplopia labor pains carboxylic monomer mixture, 0% by weight to 1% by weight can be specifically included. Within said, result while obtaining an adhesion film force, rate of change of resistance can be lower.

Or cycloaliphatic vinyl or vinylidene monomer chains with one olefin double bond in its molecule and one or more alicyclic structure including be a monomer. For example, isobornyl acrylate, cyclohexyl acrylate, DC neel claw pen hit acrylate, cyclo thread acrylate, methyl cyclohexyl acrylate, trimethyl cyclohexyl acrylate, tert - butyl cyclohexyl acrylate, cyclohexyl α - ethoxy acrylate, alicyclic structure such as cyclohexyl phenyl acrylate acrylate; isobornyl methacrylate, cyclohexyl methacrylate, DC neel claw pen hit methacrylate, cycloalkyl methacrylate thread, methyl cyclohexyl methacrylate, trimethyl cyclohexyl methacrylate, tert - butyl cyclohexyl methacrylate, cyclohexyl α - ethoxy methacrylate, cyclohexyl phenyl methacrylate, methyl itaconic bis hour claw [heyk[heyk] threadnose four [thu[thu], DC claw jade [thil[thil] lighter nose four [thu[thu], DC claw thread methyl succinate, vinyl alicyclic structure such as cyclohexyl acetate meta acrylate etc.. 0 to 10% by weight of said vinyl monomer chains with cycloaliphatic monomer mixture, 0 to 5% by weight can be specifically included. Within said, cover glass substrate thereof can effect.

Alicyclic heterocyclic (meth) acryl-based monomer having 4 to 6 carbon atoms is nitrogen, oxygen or sulfur (meth) acrylic monomer having a single annularity alicyclic heterocyclic can. For example, said (meth) acrylic monomers can be like with the wool [lu[lu] pawl phosphorus which rises. Alicyclic heterocyclic (meth) acrylic monomer is present at 0 to 10% by weight with said monomer mixture, 0 to 5% by weight can be specifically included. Within said, cover glass substrate thereof can effect.

Disclosure number comprising a light disclosure number can be. Optical disclosure number is ultraviolet or electron-beam activated and adhesive film in - carbon double bonds can be activate supporting members by a radical reaction. Disclosure number is hydroxy ketone-based compound, lung rice field orgin acetoacetoxy-functional compounds, benzyl ketal type compounds or a mixture of these can be used but, limited to are not correct. Hydroxy ketone-based compound 1 - hydroxy hour claw [heyk[heyk] thread phenyl ketone, lung rice field orgin acetoacetoxy-functional compound, 2, 2 - dimethoxy - 2 - phenyl phenylacetophenone, 2, 2 '- acetoacetoxy-functional to D [thok[thok] at the time of α2, 2, 2' - acetoacetoxy-functional d department [thok[thok] city α2, 2 - hydroxy - 2 - methyl propionate α2, α2 p a-t - butyl trichloro acetoacetoxy-functional, dichloro p-a t - butyl acetoacetoxy-functional α2, α2 process for 4 - chloro, 2, 2' - dichloro - 4 - phenoxy process for α2, 2 - methyl - 1 - (4 - (methyl thio) phenyl) propane - 1 - on - 2 - roh wool pulley, 2 - benzyl - 2 - dimethylamino - 1 - (4 - roh wool pulley phenyl) - butane - 1 - one, or a mixture of these can be. Disclosure number is hydroxide having hydroxyl (meth)- hydroxyl-non-acrylate monomers and machine including 100 parts by weight of monomer mixture 0. 01 parts by weight to 10 parts by weight, specifically 0. 1 parts by weight to 1 parts by weight can be. Said range, that is superior in high temperature and/or humidity reliable, required in the present invention can achieve a high-modulus adhesive film captures images of the scattered in a folding thereof can effect.

A silicon-based adhesive layer in contact with the (meth) acrylic pressure-sensitive adhesive layer emulsion number number 1 number 1 (meth) acrylic pressure-sensitive adhesive layer by reforming can be silicone-based pressure-sensitive adhesive layer between the edge strength. In particular, number 1 (meth) acrylic pressure-sensitive adhesive layer comprises a silicone-based adhesive layer adhesive film number morning fair emulsion number after a predetermined time by heating surface modification effects the total grudge silicon-based adhesive layer acrylic pressure-sensitive adhesive layer (meth) increased number 1 interface between peel strength can be height. Typically, the copolymer emulsion number number number number morning fair copolymer used additive are disclosed which are able to inhibit the stability after bath time number is wetting ability. However, the present invention refers to copolymer emulsion number number number 1 (meth) acrylic pressure-sensitive adhesive layer after bath further by including silicone-based adhesive layer and where the peel strength based on alumina are disclosed. (Meth) acrylic pressure-sensitive adhesive layer may be contained in all emulsion number is number 1 or number 1 (meth) acrylic pressure-sensitive adhesive layer surface in contact with the silicone-based adhesive layer included only a portion may be filled. 100 parts by weight of said monomer mixture is emulsified number 0. 01 parts by weight to 8 parts by weight, specifically 0. 1 parts by weight to 5 parts by weight can be. Said range, silicone adhesive layer number 1 (meth) acrylic pressure-sensitive adhesive layer for use in high strength, a flow billion number is stored in a first a deep, that is free from yellowing can be disclosed. Emulsion number includes a liquid compound, (meth) acrylic pressure-sensitive adhesive layer when a haze number 1 lowers the surface modification effects can be increased. In addition, hydrophilic emulsion number number 1 (meth) acrylic pressure-sensitive adhesive layer with a silicon-based adhesive layer by having simultaneously hydrophobic interface between peel strength can be height. The fatty acid compound number emulsion, emulsion ink alkyl benzene orgin targeting, higher alcohol, alkyl phenol-based, alpha the [ley[ley] pin orgin which comes, normal isoparaffinic, alkyl writing base Cauchy [tu[tu] orgin, sugar fatty acid ester, sorbitan fatty acid ester-based, and the middle-fatty acid ester-based, rosin ester-based or the like is cited. Specifically potassium softer (potassium soap), potassium stearate (potassium, stearate), a validator the alcoholic beverage gun [swuk[swuk] new it buys half ester (monoester) (salt of half ester of succinic acid), sorbitol grief mono sells the American reel the [thu[thu], sorbitol grief mono [su[su] reel Oh [ley[ley] [thu[thu], sorbitol grief tree [su[su] reel Oh [ley[ley] [thu[thu], polyoxyethylene (20) such as poly jade hour ethylene small [lu[lu] grief mono [su[su] reel Oh [ley[ley] [thu[thu]grief mono [su[su] reel Oh [ley[ley] [thu[thu] sorbitol, polyoxyethylene (20) such as poly jade hour ethylene small [lu[lu] grief tree [su[su] reel Oh [ley[ley] [thu[thu]grief tree [su[su] reel Oh [ley[ley] [thu[thu] sorbitol, polyoxyethylene (10) triacetyl ether, polyoxyethylene (20) comprising at least one triacetyl ether of poly jade hour ethylene tax [thil[thil] ether can.

Number 1 (meth) acrylic pressure-sensitive adhesive layers composition includes number, can be thread column couple ring number further comprises one or more. 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 pen [thil[thil] glycol, polyethylene glycol di (meth) acrylate, neopentylglycol di (meth) acrylate pen [thil[thil] glycol Oh D pay [thu[thu], (meth) acrylate DC claw pen hit Neel D, di (meth) acrylate modified DC neel claw pen reel polycaprolactone, ethylene oxide modified di (meth) acrylate, di (meth) acrylic hydroxyethyl isocyanurate, allylated cyclohexyl di (meth) acrylate, (meth) acrylate hour claw space D methane this year tree, (meth) acrylate dimethyl roll DC claw pentane D, hexahydro phthalic acid di (meth) acrylate modified ethylene oxide, (meth) acrylate d methanolhour claw space tree, neopentylglycol di (meth) acrylate modified pen [thil[thil] glycol trimethyl propane, 9, 9 - bis [4 - (2 - acrylic with in the jade city which rises [thok[thok] at the time of) phenyl] adamantane the bay the D it burns (meth) acrylate or 2 functional acrylate such as fluorene; (meth) acrylate methyl roll propane tree tree, [...][...] ' tree (meth) acrylate mils, propionic acid (meth) acrylate modified in D pen hit [ssu[ssu] [thol[thol] tree, fabric softening products (meth) acrylate tree, propylene oxide (meth) acrylate modified tree methyl roll propane tree, such as (meth) acrylate or tris (meth) acrylic rock hour ethyl cow city Oh trouble [ley[ley] [thu[thu] 3 functional 3 functional urethane-acrylate; (meth) acrylate such as tetra (meth) acrylate or in pen hit [ssu[ssu] [thol[thol] tetrad glycerin 4 functional type acrylate; (meth) acrylate such as in D pen hit [ssu[ssu] [thol[thol]pen hit 5 functional type acrylate; (meth) acrylate and in D pen hit [ssu[ssu] [thol[thol] process, hexa (meth) acrylate or urethane (meth) acrylate modified in D pen hit [ssu[ssu] [thol[thol] polycaprolactone (ex. (Meth) acrylate reactant such as an isocyanate monomer and tree 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. The, silicon-based pressure-sensitive adhesive layer (120) with (meth) acrylic pressure-sensitive adhesive layer can be the number 1 number of good high pressure liquid coolant. 100 parts by weight of said monomer mixture crosslinking number is 0. 01 to 0 parts by weight. 15 parts by weight, specifically 0. 01 to 0 parts by weight. 1 parts by weight can be. Said range, durability and reliability has suitable UV content number can be a crosslinking reaction. The number of known to one skilled using conventional silane coupling can be. For example, 3 - glycidic jade hour pro the tree maul which will bloom [thok[thok] it will be sour, column, 3 - glycidic jade hour pro [thok[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[heyk] thread) ethyl tree maul [thok[thok] thread column silicon compounds such as epoxy structure; vinyl trimethoxy silane, vinyl silane [thok[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. Monomer mixture is 100 parts by weight of said silane coupling number 0. 01 parts by weight to 5 parts by weight, specifically 0. 01 parts by weight to 1 parts by weight can be. Within said, is not less than, equal to or less than to increase adhesion.

Number 1 further comprises (meth) acrylic pressure-sensitive adhesive layers can be composition comprises particles. Adhesive composition or adhesive film is coated organic particles by number varies, and excellent not only in the cold and/or room temperature, stably exhibit not only a high temperature have been crosslinked with each other. In one embodiment, organic particles (meth) acrylic copolymer of chemical bond-forming hydroxyl group can be. Organic particles have an average particle diameter of 10 nm to 400 nm, 10 nm specifically to 300 nm, 10 nm to 200 nm can be is more specifically. Said range, can prevent lumping of organic particles, an adhesion film transparency of disclosed. Core - shell structure and organic particles, organic particles can be satisfies formula 5:

<식 5>

Tg (c) < Tg (s)

(Said type 5 in Tg (c) core glass transition temperature (unit: °C) and, a glass transition temperature Tg (s) includes a shell (unit: °C) are disclosed).

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. Said low temperature in a range of (-20 °C) storage modulus value can be required in implementing, small/ordinary temperature or a viscoelastic characteristics disclosed. The polyalkyl (meth) acrylate having a glass transition temperature said core comprising at least one can be 1. For example, core poly methyl acrylate, polyethyl acrylate, poly propyl acrylate, polybutyl acrylate, poly isopropyl acrylate, poly cyclohexyl acrylate, poly cyclohexyl methacrylate, polyethyl hexyl acrylate and polyethyl hexyl methacrylate can be one or more, one composite number are not disclosed. Specifically poly butyl acrylate and polyethyl hexyl acrylate comprising at least one can be. 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 having a hydroxyl group in a range of dispersion of organic particles in the pin is benefits. Said polyalkyl (meth) acrylate comprises a shell having a glass transition temperature can be. For example, polymethyl methacrylates (PMMA), polyethyl methacrylate, poly propyl methacrylate, polybutyl methacrylate, poly isopropyl methacrylate, poly isobutyl methacrylate and poly gap claw [heyk[heyk] thread methacrylate can be one or more, one composite number are not disclosed. Specifically comprising polymethyl methacrylates can be. 100 parts by weight of said organic particles 0 operates a monomer mixture. 1 parts by weight to 15 parts by weight, specifically 0. 5 parts by weight to 10 parts by weight, more specifically 0. 5 parts by weight to 8 parts by weight can be. In the range of said, an adhesion film with viscoelasticity storage modulus and recovery force can be balanced.

Number 1 (meth) acrylic pressure-sensitive adhesive layers selectively accelerating curing number demands, ionic liquid, lithium salt, inorganic filler number, number softening, 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, number and number can be further comprises addition of normal number for lubricating. 100 parts by weight of said monomer mixture added number is 0. 01 parts by weight to 5 parts by weight, specifically 0. 03 parts by weight to 3 parts by weight, more specifically 0. 05 parts by weight to 2 parts by weight can be.

Hereinafter, silicone pressure-sensitive adhesive layer (120) is described as follows.

Silicone-based pressure-sensitive adhesive layer (120) is adhesive film (100) can be a good bending and/or good folding properties under public affairs number. Silicone-based pressure-sensitive adhesive layer (120) is formed on the micro m to 200 micro m 30, 40 to 100 micro m can be is specifically micro m. Said range, bending/folding in the condition and relieving stress produced by phenomenon from a disclosed.

Silicone-based pressure-sensitive adhesive layer (120) in the (meth) acrylic pressure-sensitive adhesive layer thereof can lower contrast -20 °C modulus is number 1. The, adhesive film is preferably has a folding-bending and good good flexibility thereof can. Specifically, silicone pressure-sensitive adhesive layer (120) is in modulus to 300KPa -20 °C 1KPa implementation being. Said oxide layer in the range of bending/folding and, number 1 (meth) acrylic pressure-sensitive adhesive layer thereof can effect a peel force with excellent reliability and excellent workability.

Silicone-based pressure-sensitive adhesive layer (120) is a silicone polymer, and silicon - silicon wafers having a compound including hydrogen (Si-a H), silicone adhesive layers can be formed from the silicone composition.

Silicone polymer having a silicon (Si-a vinyl) coupled and vinyl siloxane polymers, silicon hydrogen (Si-a H) - aliphatic (hydrosilylation) silicon wafers having a compound by silicon-based adhesive layer can be forms a matrix.

In one embodiment, at least one R unit D silicone polymer^a R^b SiO_2/2 (The, R^a And R^b Are each independently, a substituted or unsubstituted C₁ - C₁₀ Alkyl, a substituted or unsubstituted C₃ - C₁₀ Of cyclo-alkyl, or a substituted or unsubstituted C₆ - C₁₀ In a very short time of)* - SiR on^c R^d Vi (the, * is present at face of the, R^c And R^d Are each independently a substituted or unsubstituted C₁ - C₁₀ Alkyl, a substituted or unsubstituted C₃ - C₁₀ Of cyclo-alkyl, or a substituted or unsubstituted C₆ - C₁₀ Of alkoxy group, Vi is vinyl residue) can be including a linear siloxane polymer. Specifically, R^a ,R^b Are each independently, C₁ - C₆ Alkyl, more particularly methyl, ethyl, pro writing, to request, pen [thil[thil], or can be [heyk[heyk] Practical technique.

Specifically, silicone polymer represented siloxane polymer can be represented by formula 1:

<Formula 1>

R¹ R² ViSiO - (R³ R⁴ SiO)_n - SiR⁵ R⁶ Vi

(In said formula 1, R¹ , R² , R³ ,R⁴ ,R⁵ andR⁶ Are each independently, a substituted or unsubstituted C₁ - C₁₀ Alkyl, a substituted or unsubstituted C₃ - C₁₀ Of cyclo-alkyl, or a substituted or unsubstituted C₆ - C₁₀ Of alkoxy group, Vi is vinyl bottom, said n is an integer). When the weight average molecular weight of 25,000 g/mol to 200,000 g/mol of siloxane polymers, said range, good bending and good folding number tank having adhesive film can be disclosed. More specifically, R¹ , R² , R³ ,R⁴ ,R⁵ andR⁶ Are each independently, C₁ - C₆ Alkyl, more particularly methyl, ethyl, pro writing, to request, pen [thil[thil], or can be [heyk[heyk] Practical technique. N is a natural number larger than 1 may be weight average molecular weight of the polymer and can be adjustable. Silicon polymers alone or in a mixture of silicone polymer weight average molecular weight of silicone polymers different 2 be included with the disapproval. Specifically, silicone polymer has a weight average molecular weight greater than 100,000 g/mol to 200,000 g/mol silicon polymer in number 1, number 2 in weight average molecular weight of 25,000 g/mol to 100,000 g/mol can be a mixture of silicone polymers, the number 1 and number 2 100 parts by weight of a silicone polymer silicone polymer number 1 to 90 parts by weight of the sum of 80 parts by weight of a silicone polymer, 10 parts by weight to 20 parts by weight of the silicone polymer number 2 can be. Said range, good adhesive film bending and/or good folding may be disclosed.

Silicon hydrogen (Si-a H) - aliphatic compound by reacting silicon wafers having a compound consists of silicon polymer, silicone-based adhesive layer forming a matrix, can be conventional five [lu[lu] buy the Roh draw [ceyn[ceyn] the thread rock (organohydrogensiloxane) compound. In one embodiment, silicon - silicon compound is hydrogen (Si-a H) having one or more D HR unit^e SiO_2/2 (The, R^e A is a substituted or unsubstituted C₁ - C₁₀ Alkyl, a substituted or unsubstituted C₃ - C₁₀ Of cyclo-alkyl, or a substituted or unsubstituted C₆ - C₁₀ In a very short time of) be five [lu[lu] buy the Roh draw [ceyn[ceyn] the thread rock having compound. In another embodiment, silicon - silicon compound is hydrogen (Si-a H) having D HR unit^e SiO_2/2 (The, R^e Is defined in said efined) and at least one D R unit^a R^b SiO_2/2 (The, R^a And R^b Is defined in said efined) be five [lu[lu] buy the Roh draw [ceyn[ceyn] the thread rock having compound. For example, hydrogen (Si-a H) represented by formula 2 silicon - silicon wafers having a can be represented by:

<Formula 2>

R⁷ R⁸ R⁹ SiO - (HR¹⁰ SiO)_x - (R¹¹ R¹² SiO)_y - SiR¹³ R¹⁴ R¹⁵

(In said formula 2, R⁷ , R⁸ , R⁹ , R¹⁰ , R¹¹ , R¹² , R¹³ , R¹⁴ And R¹⁵ Are each independently, a substituted or unsubstituted C₁ - C₁₀ Alkyl, a substituted or unsubstituted C₃ - C₁₀ Of cyclo-alkyl, or a substituted or unsubstituted C₆ - C₁₀ Of alkoxy group, x is a natural number larger than 1, y is an integer of 0 or more). Said silicon - silicon wafers having a weight average molecular weight of 500 to 2,000 of hydrogen (Si-a H) when, silicon adhesive layer folding and bending characteristics of a good ancestry. - Hydrogen (Si-a H) silicon compound is silicon having 100 parts by weight of a silicone polymer 0. 01 parts by weight to 10 parts by weight, specifically 0. 1 parts by weight to 5 parts by weight can be. Said range, the lower modulus, folding and bending thereof can effect.

Silicone adhesive layers composition silicon-based adhesive layers of Si-a vinyl silicone polymer composition to yield yield of silicon compound of Si-a H (Si-a H/Si-a vinyl yield yield) is 0. 6 to 0. 95 can be is. Said range, shape structure is at a low temperature flexibility and adhesion, adhesive film bending/folding shear viscosity is equal to tear. Silicone adhesive layers of Si-a vinyl composition yield yield for Si-a H (Si-a H/Si-a vinyl yield yield) is 0. 95 exceeds 1. 5 hereinafter can be is. In this case, silicone adhesive layers composition 1 is siloxane units further comprises silicone resin having a siloxane Q units M 4 is essentially including MQ can be. As a result, improve adhesion is modulus as well as effect thereof can. Specifically, silicon resin MQ M unit R 'R "R"' SiO_1/2 (The, R ', R "and R"' are each independently, a substituted or unsubstituted C₁ - C₁₀ Alkyl, a substituted or unsubstituted C₃ - C₁₀ Of cyclo-alkyl, or a substituted or unsubstituted C₆ - C₁₀ In a very short time of) Q on SiO unit_4/2 Can be a. MQ silicone resin of a silicone resin yield during M unit: the ratio of the Q unit yield 0. 1 to 5:1. 5:1, specifically 0. 1 to 6:1. The 2:1 can be. Said range, silicone polymer, silicon - silicon wafers having a compounds and the like and can be mixed with hydrogen (Si-a H), the adhesive film can be number powder can be high pressure liquid coolant.

Silicone adhesive layers composition D unit R ' ViSiO_2/2 (R ' is substituted or unsubstituted C₁ - C₁₀ Alkyl, a substituted or unsubstituted C₃ - C₁₀ Of cyclo-alkyl, or a substituted or unsubstituted C₆ - C₁₀ Of alkoxy group, Vi is vinyl residue) having siloxane polymers can be further. The, siloxane polymer can be weight average molecular weight of 10,000 to 200,000 and, said range increases modulus there could disclosed.

(Meth) acrylic the [ley[ley] sprouting, silicon-based adhesive layers composition and silicon combined vinyl can be a compound having a siloxane (Si-a vinyl). Said at least one Si-a vinyl siloxane compound includes one or more (meth) acrylic the [ley[ley] sprouting and include (meth) acrylic pressure-sensitive adhesive layer by silicone adhesive layer number 1 both by reacting interface peel strength can be increased. For example (meth) acrylic jade hour pro the tree [su[su] which will bloom said siloxane compound (vinyl dimethyl methacrylate) silane, (3 - (meth) acrylic jade hour pro it will bloom) bis (vinyl dimethyl methacrylate) methylsilane or the like but, the number is not one. Said siloxane compound consists of silicon polymer 100 parts by weight of 0. 5 parts by weight to 20 parts by weight, parts by weight to 10 parts by weight of a 1 specifically can be. Said range, number 1 (meth) acrylic pressure-sensitive adhesive layer having excellent adhesion with good effect thereof can.

Silicone adhesive layers composition further includes a catalyst for aliphatic compound can be. For aliphatic compound catalyst silicone polymer, (meth) acrylic the [ley[ley] sprouting, and silicon combined vinyl group (Si-a vinyl) having siloxane compound, silicon - hydrogen (Si-a H) by reaction between silicon compound having a silicon-based adhesive insulation can be accelerate. For aliphatic compound catalyst comprising a catalyst for conventional known aliphatic compound can be. For example, the catalyst platinum catalysts, rhodium catalyst, palladium catalyst can comprise one or more. Specifically, catalyst is differentiated platinum powder, platinum chloride acid, platinum chloride acid alcohol solution, platinum - the [khey[khey] Neel thread rock which it will know it buys complexes, platinum - olefin complex, and platinum - to carbonyl complexes can be exemplified. 1, 3 - vinyl - 1, 1, 3, 3 - the [khey[khey] Neel thread rock which it will know it buys die

Tetramethyl die siloxane, 1, 3, 5, 7 - tetramethyl - 1, 3, 5, 7 - tetra vinyl cycle cyclotetrasiloxane, for example during a portion of the aforementioned the [khey[khey] Neel thread rock which it will know it buys methyl ethyl or phenyl which the [khey[khey] Neel thread rock which it will know it buys by substituting a number ball, and the aforementioned the [khey[khey] Neel thread rock which it will know it buysreel it will know e.g. vinyl groups during which can be exemplified by replacing or [heyk[heyk] Three Neel crossroadthe [khey[khey] Neel thread rock which it will know it buys ball number. In addition, the stability of the the [khey[khey] Neel thread rock which it will know it buysthe [khey[khey] Neel thread rock which it will know it buys - platinum complexes, e.g. 1, 3 - vinyl - 1, 1, 3, 3 - tetramethyl die die siloxane, 1, 3 - dial reel - 1, 1, 3, 3 - tetramethyl die siloxane, vinyl - 1, 3 - 1, 3 - diphenyl - 1, 3 - methyl-die die siloxane, vinyl - 1, 1, 3, 3 - 1, 3 - die tetraphenyl die siloxane, such as 1, 3, 5, 7 - tetramethyl - 1, 3, 5, 7 - tetra vinyl cycle cyclotetrasiloxane, or organic siloxane oligomer, e.g. methyl siloxane oligomer or the like can be improved by adding said complex, the addition preferably such. For aliphatic based catalyst atoms 0. 01 ppm to 500 ppm can be included. Said range, and able to catalyze the aliphatic compound, a silicon-based adhesive layer makes it much remaining level thereof can prevent transparency is lowered.

Hereinafter, the adhesive film in the embodiment according to number of bath method are described as follows.

The adhesive film in the embodiment according to the (meth) acrylic pressure-sensitive adhesive layers (meth) number 1 number 1 coating composition curing acrylic pressure-sensitive adhesive layer for an number 1 number and high pressure liquid coolant film, silicone adhesive layers and curing silicone adhesive layer coating composition for coating high pressure liquid coolant number number 2, number 2 and number 1 to number tank lining coating film can be disclosed. Hardening of the photocuring, can comprise one or more thermosetting. The photocuring UV wavelength ultraviolet intensity 10 mW/cm² To 500 mW/cm² Of comprising irradiating ultraviolet can be. In the range from 1 to 200 °C can be a heat curable thermosetting 100 °C 1 time. After the total grudge, 12 hr to 24 hours in 50 °C to 80 °C by heat-treating, (meth) acrylic pressure-sensitive adhesive layer formed by modification effects of emulsion number number 1, number 1 (meth) acrylic pressure-sensitive adhesive layer of a silicone pressure-sensitive adhesive layer between peel strength can be increased. Number 1 (meth) acrylic pressure-sensitive adhesive layers (meth) acrylic monomer mixture mixing composition for polymers disclosure number, and then polymerizing, emulsion number and optionally disclosure number, crosslinked number, number thread column couple ring, and various added number number by adding 1308. bath. Said polymerization can be bulk polymerization. Number 1 and number 2 coating film bag, number 1 and number 2 coating film to at least one of 50 to 80 total 2 times (example: 78) corona treatment dose total dose to dose 100 to 160 (for example: 156) dose increased by corona treatment to interface peel strength may be filled.

Hereinafter, reference to an adhesive film of the present invention in the embodiment according to other 2 also through a browser substrate. In the embodiment according to Figure 2 shows a cross-section of the pressure-sensitive adhesive film of the present invention also other 2000.

The reference 2 also, in the embodiment according to the pressure-sensitive adhesive film (200) number 1 is (meth) acrylic pressure-sensitive adhesive layer (110), silicone-based pressure-sensitive adhesive layer (120), and number 2 (meth) acrylic pressure-sensitive adhesive layer (130) can be comprising. Silicone-based pressure-sensitive adhesive layer (120) number 2 on one surface of the (meth) acrylic pressure-sensitive adhesive layer (130) are formed by, adhesive film (200) according to the number can be deposited in the cold and hot force equal to or less than. Silicone-based pressure-sensitive adhesive layer (120) number 2 on one surface of the (meth) acrylic pressure-sensitive adhesive layer (130) and one in the embodiment according to the adhesive film of the present invention is provided with a substantially more under the outside number are the same. The, hereinafter number 2 in (meth) acrylic pressure-sensitive adhesive layer (130) only described as follows.

Number 2 (meth) acrylic pressure-sensitive adhesive layer (130) silicone-based pressure-sensitive adhesive layer (120) formed in one side of other bonded onto an adherend can be greater than that of the adhesion. Number 2 (meth) acrylic pressure-sensitive adhesive layer (130) is (meth) acrylic pressure-sensitive adhesive layer contrast -20 °C number 1, 25 °C 80 °C or (meth) acrylic pressure-sensitive adhesive layer modulus modulus ratio in number 1: number 2 (meth) acrylic pressure-sensitive adhesive layer (130) of modulus=1:0. 5 1:2 to can be disclosed. Said range, the number of deposited thermal expansion rate-controllable folding can be disclosed. Specifically, number 2 (meth) acrylic pressure-sensitive adhesive layer (130) is number 1 (meth) acrylic pressure-sensitive adhesive layer (110) and modulus can be as equal as disclosed.

Number 2 (meth) acrylic pressure-sensitive adhesive layer (130) is number 1 (meth) acrylic pressure-sensitive adhesive layer (110) thickness contrast can be identical or different. Specifically, number 1 (meth) acrylic pressure-sensitive adhesive layer (110) thickness of: number 2 (meth) acrylic pressure-sensitive adhesive layer (130) has a thickness of 1:0. 5 to 1:3 can be disclosed. Said range, the number of deposited thermal expansion rate-controllable folding can be disclosed. Number 2 (meth) acrylic pressure-sensitive adhesive layer (130) has a thickness of 10 to 100 micro micro m m, m is 10 to 50 micro m can be specifically micro. Said range, optical display device can be used, proper thickness silicon pressure-sensitive adhesive layer has an adhesive film adhesion and stress relaxation contrast under public affairs number can be both.

Number 2 (meth) acrylic pressure-sensitive adhesive layer (130) is number 1 (meth) acrylic pressure-sensitive adhesive layer (110) and the same or disparate adhesive layers can be formed from the silicone composition. Figure 2 shows a (meth) acrylic pressure-sensitive adhesive layer (meth) acrylic pressure-sensitive adhesive layer also number 2 number 1 indicating different composition or thickness in other cases but, number 2 (meth) number 1 (meth) acrylic pressure-sensitive adhesive layer is applied to the adhesive layers is made of an acrylic pressure-sensitive adhesive layers and/or thickness are the same or can include disclosed. In this case, the edge strength properties of an intervening one in the embodiment may have.

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.

The optical film is a polarizing plate, color filter, phase difference film, elliptically polarizing film, reflective film, antireflection film, compensation film, brightness enhancing film, alignment film, the light diffusion film, glass shatter prevention film, surface protection film, plastic LCD substrate, ITO (indium tin oxide) film or the like including transparent conductive film or the like 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.

Hereinafter, with reference to one of the present invention in the embodiment according to optical display device 3 also to describe the other. Figure 3 shows a cross-section of one of the present invention also in the embodiment according to optical display device 2000.

The reference also 3, in the embodiment according to one of the present invention flexible display device (300) is formed on part (310), adhesive layer (320), polarizing plate (330), touch screen panel (340), and flexible window film (350) and, pressure-sensitive adhesive layer (320) can be the multilayer adhesive film according to an embodiment of the present invention.

Display unit (310) has a flexible display device (300) for the drive, formed on the substrate and OLED, LED or LCD element including can be bone. In Figure 3 but not shown, display unit (310) at the bottom substrate, thin film transistor, organic light emitting diode, a planarizing layer, protective film, can be insulating.

Polarizing plate (330) is implementing a color screen or display or polarization my wide sense 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, protection coating layer can be conventional known to one skilled people.

Touch screen panel (340) 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 (310) can be driven. Touch screen panel (340) 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.

Flexible window film (350) is flexible display device (300) located on the display device can be formed of SIGE protecting.

In Figure 3 but not shown, polarizing plate (330) and touch screen panel (340) between each other and/or touchscreen panel (340) covered with window film (350) adhesive between the second substrate by polarizing plate, touch screen panel, can be a strong coupling between the flexible window film. In one embodiment, adhesive layer (meth) acrylate resin, curing number, including adhesive number thread column couple ring disclosure number and a number can be formed from the silicone composition. In another embodiment, adhesive layer of the present invention can be one in the embodiment according to adhesive film.

In addition, but not shown in Figure 3, display unit (310) by further formed on the lower crystal, can be implementing my wide sense polarization.

Hereinafter, the present invention through line when a more specifically described in the embodiment, the present invention is described in the embodiment are only for purposes of a relayed such number interprets Brook no with each other.

In the embodiment 1

Ethyl [heyk[heyk] Thread arc relay [thu[thu] 80 parts by weight, 4 - hydroxy butyl acrylate 20 parts by weight, glass within the container and mixed and are Irgacure 651 50 ppm, dissolved oxygen is replaced with nitrogen gas, low pressure lamp 1 minutes (50 mW/cm² , Sankyo [...] BL Lamp of) a mixture by using a coating in the form of (meth) acrylic polymer is polymerized part viscous liquid obtained a mixture of (meth) acryl-based monomer. Ethyl 4 - hydroxy butyl acrylate based on 100 parts by weight of sum of [heyk[heyk] Thread arc relay [thu[thu] and, Irgacure 184 0. 35 parts by weight, emulsion number SB (forward of potassium rosin ester, Korean ㈜ defined, BUREZ K25 502D, 25% by weight solids) 0. 5 parts by weight of (meth) acrylic pressure-sensitive adhesive composition was mixed and are adding number number high pressure liquid coolant.

Number a (meth) acrylic pressure-sensitive adhesive layers of thickness 50 micro m high pressure liquid coolant composition coated on a release film (polyester film) polymeric adversely affecting the oxygen number for a stand-alone micro m thickness of 75 after release cover, two surfaces approximately 6 minutes low pressure lamp (50 mW/cm² , In Sankyo [...] BL Lamp prepared by the number) of (meth) using a coating thickness was 50 micro m high pressure liquid coolant film number acrylic pressure-sensitive adhesive layers.

100 parts by weight of a silicone polymer (DMS-a V41, weight average molecular weight of 55,000 - 70,000), silicon - silicon compound having hydrogen (Si-a H) 1 (Gelest [...]) HMS-a 501. 084 parts by weight, 10 ppm platinum catalysts (Umicore [...], Karstedt catalyst) by mixing a silicon-based adhesive layers and high pressure liquid coolant composition number 5 minutes agitating, silicon-based adhesive layers number fluorine release film (polyester film) on high pressure liquid coolant composition coated with thermosetting adhesive layers 20 minutes in an oven to a thickness 50 micro m number to his high pressure liquid coolant 120 °C and silicone-based coating. Silicone adhesive layers composition (composition comprising a silicon compound of Si-a H/Si-a vinyl silicone polymer of of an adhesive composition comprising a) is 0. 8 min.

(Meth) acrylic pressure-sensitive adhesive layers each coating film and silicone adhesive layers one aspect of corona treatment (total 2 total dose 156dose corona treatment to each coating to each dose 78dose processing times) and, corona treatment and a lower face each other and softness, (meth) acrylic pressure-sensitive adhesive layer coating/film/(meth) acrylic pressure-sensitive adhesive layer of the coating film in order silicone-based pressure-sensitive adhesive layer and softness, is left for 24 hours in 50 °C to, (meth) acrylic pressure-sensitive adhesive layer (thickness: 50 micro m)/silicone pressure-sensitive adhesive layer (thickness: 50 micro m)/(meth) acrylic pressure-sensitive adhesive layer (thickness: 50 micro m) was a number of adhesive film (total thickness: 150 micro m) high pressure liquid coolant.

In the embodiment 2

In the embodiment 1 in 100 parts by weight of a silicone polymer (DMS-a V41, weight average molecular weight of 55,000 - 70,000), silicon - silicon compound having hydrogen (Si-a H) 1 (Gelest [...]) HMS-a 501. 084 parts by weight, (Unicore [...], Karstedt catalyst) 10 ppm platinum catalysts, meta arc reel jade hour pro it will bloom tris (dimethyl vinyl methacrylate) silane (MATVS, Gelest yarn) 1 parts by weight of a silicone-based adhesive layers with a high pressure liquid coolant composition 5 minutes by agitating the same method adhesion film was number number under the outside number and high pressure liquid coolant.

In the embodiment 3 to In the embodiment 5

In the embodiment 2 to table 1 in emulsion number SB (rosin ester, Korean ㈜ defined, BUREZ K25 502D) content such as a high pressure liquid coolant and number the same method adhesion film was changed under the outside number.

In the embodiment 6

In in the embodiment 1, (meth) acrylic pressure-sensitive adhesive layer coating/silicone pressure-sensitive adhesive layer of the coating film in order and softness, is left for 24 hours in 50 °C to, (meth) acrylic pressure-sensitive adhesive layer (thickness: 50 micro m)/silicone pressure-sensitive adhesive layer (thickness: 50 micro m) was a number of adhesive film (total thickness: 100 micro m) high pressure liquid coolant.

Comparison example 1

In in the embodiment 2, emulsion number SB (rosin ester, Korean ㈜ defined, BUREZ K25 502D) under the outside number is not the same method and using high pressure liquid coolant film adhesion of his number.

In the embodiment in comparison with the physical properties of embodiments of adhesive film to 30 parts by weight to 3 evaluates the table shown on table 2.

(1) interface peel strength: 1 input device in the embodiment 1 - 5 and comparison example 2 film on one side ((meth) acrylic pressure-sensitive adhesive layer side) m times a thickness of the PET (polyethylene terephthalate) corona treated 50 micro 78 dose to dose delivered to the film to form a light scattering, O-chlorophenol ((meth) acrylic pressure-sensitive adhesive layer side) adhesive film and adhered to the glass plate, transverse x longitudinal (1. 27 cm × 15 cm) was cutting samples. 2 kilograms per square roller on said sample 1 with respect to the passes. In the specimen number was 30 minutes elapsed following adherence 25 °C to high pressure liquid coolant. TA. Using XT_Plus Texture Analyzer (Stable Micro System (number)), 300 mm/min. rate 25 °C 180° peel force in a long time. In the case of (meth) acrylic pressure-sensitive adhesive layer is adhered to the glass plate side adhesive film during in the embodiment 6, silicone pressure-sensitive adhesive layer side of the corona treated PET film thickness of 2 to 50 micro m dose 78dose times then the same surfactant peel strength adhesive method were measured.

(2) yellowing: 60 °C/90% relative humidity condition in the embodiment in comparison with embodiments of adhesive film yellowing terminals 24 after solution was determined. When yellowing is not good, in case of defect yellowing was assessed.

(3) reliability: glass, ITO film is manufactured by applying high pressure liquid coolant in the embodiment embodiments of adhesive film and sequentially number was compared to the specimen. Said specimen 60 °C/90% relative humidity was left for 500 hours. ITO film covers a predetermined region of adhesive film from peeling or bubble discriminates whether a naked eye observation, bubbles in the absence of a good peeling, peeling when another defect multiple bubble was assessed.

(4) rate of change of resistance: a PET film adhesive film prepared by the number in the embodiment and comparison in attachment, using silver paste film with PET-chlorophenol electrode was not high pressure liquid coolant sample number. Then, resistance with respect sample prepared by the number (P₁ ) Were measured. Samples 60 °C and 90% relative humidity is left for 240 hours after resistance (P₂ ) Were measured. At this time, resistance measurements of such voltage using such portable resistance Checkman conducting recording at ([thay[thay] storehouse electronic number bath). Then, said conditions of said type 4 measured at resistance calculated by substituting the measured rate of change of resistance. When the rate of change of resistance good 5% hereinafter, greater than 5% when defect was assessed.

Said such as in table 1, the (meth) acrylic pressure-sensitive adhesive layer of pressure-sensitive adhesive films silicone-based pressure-sensitive adhesive layer in the embodiment where the peel strength is high enough so that (meth) acrylic pressure-sensitive adhesive layer interface between the silicone-based adhesive layer exfoliation of difficult, a low rate of change of resistance without yellowing and tire is a good character. On the other hand, comparison example 1 silicone-based pressure-sensitive adhesive layer does not contain (meth) number emulsion acrylic pressure-sensitive adhesive layer where the peel strength and peeling is lower interface between ease formate, thereby not excellent reliability.

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.