CN105452413A - Adhesive composition and composite polarizing plate using same - Google Patents
Adhesive composition and composite polarizing plate using same Download PDFInfo
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- CN105452413A CN105452413A CN201480044420.8A CN201480044420A CN105452413A CN 105452413 A CN105452413 A CN 105452413A CN 201480044420 A CN201480044420 A CN 201480044420A CN 105452413 A CN105452413 A CN 105452413A
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- methyl
- monomer
- acrylate
- polarizer
- vinylformic acid
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The present invention relates to an adhesive composition and a composite polarizing plate using same, more specifically to an adhesive composition and a composite polarizing plate using same in which the adhesive composition comprises: a polymerized copolymer comprising (meth)acrylate monomers having an alkyl group with 1-12 carbons, and 30-60 wt% acrylic monomers having 6-18 carbon aromatic rings with respect to the 100 wt% (meth)acrylate monomers; and a cross-linking agent, thereby markedly improving the adhesiveness between a polarizer and a patterned retardation layer when utilized in producing a composite polarizing plate by adhering the polarizer and patterned retardation layer, and contributing to improving heat resistance and moist heat resistance, as well as to imparting a superb three-dimensional effect.
Description
Technical field
The present invention relates to binder composition and use its composite polarizing plate.
Background technology
Generally speaking, the display unit such as liquid crystal indicator for obtaining stereo-picture often comprises patterned retardation layer.This patterned retardation layer has following technical construction, the optical axis of the pattern area be separated wherein is formed with different directions from each other, the image of separation to be sent to the left and right eye of the beholder wearing polaroid glasses, thus embody three-dimensional (that is, three-dimensional) image.
Described patterned retardation layer is usually by forming oriented layer on the glass substrate and applying liquid crystal to obtain orientation characteristic to prepare to described alignment films.Photoactivated liquid crystal material is orientation in described oriented layer, then by optical radiation such as ultraviolet light cross-linking, to form polymer liquid epitaxial.The polymer liquid epitaxial of such formation can play with the surface orientation of oriented layer the effect postponing pattern according to the differently-oriented directivity of liquid crystal.
Described patterned retardation layer is bonded by a face of binding agent or tackiness agent and Polarizer usually, and in recent years, in order to reduce thickness and the weight of display unit, bonds with a face of polyvinyl alcohol polarizer.
When between this patterned retardation layer and Polarizer or polarizer bonding reduce time, operation control in the fabrication process or may occur between the usage period distortion.In addition, when being exposed under wet heat condition for a long time, may worry to occur to peel off or bulge phenomenon.In addition, typical polyvinyl alcohol polarizer can shrink in direction of draw, therefore on the different positions of phase shift films, relates to different delays, this so that cause the deterioration of 3D stereoeffect.
Therefore, still need tackiness agent or the binding agent of development and improvement, it has the binding property of various performance such as hot water resistance, humidity resistance etc. and excellence.
Korean patent publication No.2013-0028881 discloses the preparation method of patterned retardation film, patterned retardation film, and comprises its Polarizer and image display device.
Prior art document
Patent documentation
Patent documentation 1: Korean patent publication No.2013-0028881
Summary of the invention
technical problem
Therefore, the object of this invention is to provide binder composition, when it is for during by making composite polarizing plate in conjunction with described polarizer and described patterned retardation layer, significantly can improve the bonding between polarizer and patterned retardation layer.
Another object of the present invention is to provide the composite polarizing plate made by utilizing described binder composition to bond.
technical scheme
Above-mentioned purpose of the present invention will be reached by following features:
(1) binder composition, comprise: with the multipolymer of monomer polymerization, described monomer comprises (methyl) acrylate monomer of the alkyl with 1 to 12 carbon atom and is the acrylic monomer with the aromatic ring of 6 to 18 carbon atoms of 30 to 60 weight parts relative to (methyl) acrylate monomer described in 100 weight parts, and described multipolymer is by polymerization preparation; And linking agent.
(2) according to the composition of above-mentioned (1), the wherein said acrylic monomer with the aromatic ring of 6 to 18 carbon atoms is represented by following formula 1:
(wherein R
1be hydrogen atom or methyl, X is Sauerstoffatom or-NH-, and R
2phenyl, naphthyl or phenylalkyl (there is the alkyl of 1 to 6 carbon atom), it is by hydroxyl, carboxyl, propyloxy phenyl base or have that the straight or branched alkyl of 1 to 6 carbon atom replaces or unsubstituted, and if R
2be phenylalkyl, can be interrupted by Sauerstoffatom ,-CO-,-COO-,-NH-or the cycloalkenyl group with 5 to 10 carbon atoms).
(3) according to the composition of above-mentioned (1), wherein said (methyl) acrylate monomer with the alkyl of 1 to 12 carbon atom is selected from following at least one: (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) n-propyl, (methyl) isopropyl acrylate, (methyl) n-butyl acrylate, (methyl) vinylformic acid 2-butyl ester, (methyl) tert-butyl acrylate, (methyl) 2-EHA, (methyl) vinylformic acid 2-ethyl butyl ester, (methyl) amyl acrylate, (methyl) n-octyl, (methyl) Isooctyl acrylate monomer, (methyl) vinylformic acid ester in the positive ninth of the ten Heavenly Stems, (methyl) vinylformic acid ester in the different ninth of the ten Heavenly Stems, (methyl) decyl acrylate and (methyl) lauryl acrylate.
(4) according to the composition of above-mentioned (1), wherein said multipolymer monomer polymerization, described monomer also comprises the monomer with hydroxyl and at least one had in the monomer of carboxyl.
(5) according to the composition of above-mentioned (4), the wherein said monomer with hydroxyl comprises and is selected from following at least one: (methyl) vinylformic acid 2-hydroxy methacrylate, (methyl) vinylformic acid 2-hydroxy propyl ester, (methyl) vinylformic acid 2-hydroxybutyl, (methyl) vinylformic acid 4-hydroxybutyl, the own ester of (methyl) vinylformic acid 6-hydroxyl, (methyl) vinylformic acid 2-hydroxyl glycol ester, (methyl) vinylformic acid 2-hydroxyl propylene glycol ester, there is (methyl) dihydroxypropyl alkylidene diol ester of the alkylidene group of 2 to 4 carbon atoms, 4-hydroxybutyl vinyl ether, 5-Hydroxy pentyl vinyl ether, 6-hydroxyl hexyl vinyl ether, 7-Hydroxyheptyl vinyl ether, 8-hydroxy octyl vinyl ether, 9-hydroxynonyl vinyl ether and 10-hydroxydecyl vinyl ether.
(6) according to the composition of above-mentioned (4), the wherein said monomer with carboxyl is selected from following at least one: (methyl) vinylformic acid, β-crotonic acid, 3-(acryloxy) propionic acid, 4-(2-(acryloxy) oxyethyl group)-4-ketobutyric acid, 3-((2-(acryloxy) oxyethyl group) carbonyl) hexahydrobenzoic acid, 4-(2-acrylamide base oxethyl)-4-ketobutyric acid etc.; Toxilic acid, methylene-succinic acid, fumaric acid and mono alkyl ester (there is the alkyl of 1 to 5 carbon atom) thereof; 3-(methyl) acryl propionic acid; There is the open loop affixture of the succinyl oxide of (methyl) vinylformic acid 2-hydroxyalkyl acrylate of the alkyl of 2 to 3 carbon atoms, there is the open loop affixture of the succinyl oxide of (methyl) dihydroxypropyl alkylidene diol ester of the alkylidene group of 2 to 4 carbon atoms, the compound prepared by succinyl oxide and the open loop addition of caprolactone affixture of (methyl) vinylformic acid 2-hydroxyalkyl acrylate of alkyl with 2 to 3 carbon atoms.
(7) composite polarizing plate, comprising: polarizer; With the patterned retardation layer by bonding according to the binder composition of any one of above-mentioned (1) to (6) and a face of described polarizer.
(8) according to the Polarizer of above-mentioned (7), wherein said polarizer comprises the film with protective membrane function or the film with phase shift films function, and the face that described film is contrary with the face that described patterned retardation layer bonds bonds.
(9) according to the Polarizer of above-mentioned (7), wherein said patterned retardation layer comprises liquid crystal coatings, and described liquid crystal coatings contains the reactive liquid crystalline monomer with phenyl ring.
(10) according to the Polarizer of above-mentioned (7), the stripping strength between wherein said polarizer and described patterned retardation layer is 4N/25mm or higher.
(11) according to the Polarizer of above-mentioned (7), wherein said patterned retardation layer does not comprise oriented layer.
(12) according to the Polarizer of above-mentioned (7), wherein 250 constantly little at described Polarizer is exposed to 60 DEG C, the variation at the unit cell pattern interval of described patterned retardation layer is 0.13% or less.
(13) image display device, comprises the composite polarizing plate according to any one of above-mentioned (7).
beneficial effect
When by utilizing binder composition of the present invention to be combined with patterned retardation layer and to make described composite polarizing plate by polarizer, significantly improve the bonding between described polarizer and described patterned retardation layer.
The described composite polarizing plate made by utilizing binder composition of the present invention to bond has excellent thermotolerance and humidity resistance, thus suppresses to occur to peel off and bulge phenomenon, even if under it is exposed to wet heat condition for a long time.
The composite polarizing plate made by utilizing binder composition of the present invention to bond can have the 3D stereoeffect of polarization property and improvement simultaneously.
Embodiment
The invention discloses binder composition, it comprises: with the multipolymer of monomer polymerization, described monomer comprises (methyl) acrylate monomer of the alkyl with 1 to 12 carbon atom and is the acrylic monomer with the aromatic ring of 6 to 18 carbon atoms of 30 to 60 weight parts relative to (methyl) acrylate monomer described in 100 weight parts, and described multipolymer is by polymerization preparation; And linking agent, thus when by utilizing binder composition of the present invention to make composite polarizing plate in conjunction with polarizer and patterned retardation layer, bonding between the described polarizer of remarkable improvement and described patterned retardation layer, and described binder composition has the 3D stereoeffect of excellent thermotolerance and humidity resistance and improvement; And apply the composite polarizing plate of described binder composition.
Hereinafter, in more detail the present invention will be described.
binder composition
Binder composition of the present invention can comprise acrylic copolymer.
According to acrylic copolymer of the present invention can be with comprise the alkyl with 1 to 12 carbon atom (methyl) acrylate monomer and have 6 to 18 carbon atoms aromatic ring acrylic monomer polymerization, and by polymerization preparation.According to the present invention, (methyl) acrylate refer to acrylate, methacrylic ester or they both.
Described (methyl) acrylate monomer with the alkyl of 1 to 12 carbon atom can comprise, such as, (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) n-propyl, (methyl) isopropyl acrylate, (methyl) n-butyl acrylate, (methyl) vinylformic acid 2-butyl ester, (methyl) tert-butyl acrylate, (methyl) 2-EHA, (methyl) vinylformic acid 2-ethyl butyl ester, (methyl) amyl acrylate, (methyl) n-octyl, (methyl) Isooctyl acrylate monomer, (methyl) vinylformic acid ester in the positive ninth of the ten Heavenly Stems, (methyl) vinylformic acid ester in the different ninth of the ten Heavenly Stems, (methyl) decyl acrylate, (methyl) lauryl acrylate etc., it can be used alone or two or more combinationally use with it.
The multipolymer that binder composition of the present invention comprises can comprise above-mentioned relative to 100 weight parts (methyl) acrylate monomer for having the acrylic monomer of the aromatic ring of 6 to 18 carbon atoms described in 30 to 60 weight parts.
Because binder composition of the present invention comprises the acrylic monomer of the aromatic ring described in above-mentioned content range with 6 to 18 carbon atoms, if so described binder composition is used in conjunction with polarizer and patterned retardation layer, it can have outstanding binding property.The binding property of this improvement can improve thermotolerance and humidity resistance.The reason of this result can think because described in there is the aromatic ring of 6 to 18 carbon atoms acrylic monomer be connected to carry out pie (π) key with the phenyl ring in the reactive liquid crystalline monomer comprised in described liquid crystal coatings and interact.On the other hand, can be expressed by physical bond with the bonding on the surface of described polarizer.
If the content according to the present invention with the acrylic monomer of the aromatic ring of 6 to 18 carbon atoms is less than 30 weight parts, then reduce with the bonding of described liquid crystal coatings and can reduce thermotolerance and humidity resistance.When described content is more than 60 weight part, binding property reduces, and causes layering fault, or peel off in a heated condition in the cutting process of described Polarizer.
The acrylic monomer with the aromatic ring of 6 to 18 carbon atoms according to the present invention can be represented by such as following formula 1:
(wherein R
1be hydrogen atom or methyl, X is Sauerstoffatom or-NH-, and R
2phenyl, naphthyl or phenylalkyl (there is the alkyl of 1 to 6 carbon atom), it is by hydroxyl, carboxyl, propyloxy phenyl base or have that the straight or branched alkyl of 1 to 6 carbon atom replaces or unsubstituted, and if R
2be phenylalkyl, can be interrupted by Sauerstoffatom ,-CO-,-COO-,-NH-or the cycloalkenyl group with 5 to 10 carbon atoms).
More specifically, described in there is the aromatic ring of 6 to 18 carbon atoms acrylic monomer can comprise the material represented by formula a-1 to formula a-15, they can separately or with it two or more combinationally use.
In addition, multipolymer of the present invention can have the monomer of hydroxyl by further copolymerization and have at least one in the monomer of carboxyl and prepare, to form crosslinking structure and to improve the bonding with described polarizer.
The described monomer with hydroxyl can comprise, such as, (methyl) vinylformic acid 2-hydroxy methacrylate, (methyl) vinylformic acid 2-hydroxy propyl ester, (methyl) vinylformic acid 2-hydroxybutyl, (methyl) vinylformic acid 4-hydroxybutyl, the own ester of (methyl) vinylformic acid 6-hydroxyl, (methyl) vinylformic acid 2-hydroxyl glycol ester, (methyl) vinylformic acid 2-hydroxyl propylene glycol ester, there is (methyl) dihydroxypropyl alkylidene diol ester of the alkylidene group of 2 to 4 carbon atoms, 4-hydroxybutyl vinyl ether, 5-Hydroxy pentyl vinyl ether, 6-hydroxyl hexyl vinyl ether, 7-Hydroxyheptyl vinyl ether, 8-hydroxy octyl vinyl ether, 9-hydroxynonyl vinyl ether, 10-hydroxydecyl vinyl ether etc.Among those, preferably 4-hydroxybutyl vinyl ether is used.
The described monomer with carboxyl can comprise, such as: monoprotic acid is (methyl) vinylformic acid, β-crotonic acid, 3-(acryloxy) propionic acid, 4-(2-(acryloxy) oxyethyl group)-4-ketobutyric acid, 3-((2-(acryloxy) oxyethyl group) carbonyl) hexahydrobenzoic acid, 4-(2-acrylamide base oxethyl)-4-ketobutyric acid etc. such as; Diprotic acid is toxilic acid, methylene-succinic acid, fumaric acid etc. and mono alkyl ester (having the alkyl of 1 to 5 carbon atom) thereof such as; 3-(methyl) acryl propionic acid; There is the open loop affixture of the succinyl oxide of (methyl) vinylformic acid 2-hydroxyalkyl acrylate of the alkyl of 2 to 3 carbon atoms, there is the open loop affixture of the succinyl oxide of (methyl) dihydroxypropyl alkylidene diol ester of the alkylidene group of 2 to 4 carbon atoms, the compound etc. prepared by succinyl oxide and the open loop addition of caprolactone affixture of (methyl) vinylformic acid 2-hydroxyalkyl acrylate of alkyl with 2 to 3 carbon atoms.Among those, preferably (methyl) vinylformic acid is used.
Optionally, multipolymer of the present invention can with the monomer polymerization also comprising copolymerisable monomer.Such copolymerisable monomer can comprise, such as, and methylaminoethyl (methyl) acrylate, acyl group octyloxy-2-hydroxypropyl (methyl) acrylate, 2-methoxy ethyl (methyl) acrylate, 3-methoxybutyl (methyl) acrylate, ethoxydiglycol (methyl) acrylate, methoxy triglycol (methyl) acrylate, methoxyl group tripropylene glycol (methyl) acrylate, methoxy poly (ethylene glycol) (methyl) acrylate, four fluoropropyls (methyl) acrylate, 1,1,1,3,3,3-hexafluoro isopropyl (methyl) acrylate, octafluoro amyl group (methyl) acrylate, 17 fluorine decyl (methyl) acrylate, tribromo phenyl (methyl) acrylate, β-(methyl) acryloyl-oxyethyl hydrogen succinate ester, methyl alpha-hydroxymethyl acrylate, ethyl alpha-hydroxymethyl acrylate, propyl group alpha-hydroxymethyl acrylate, butyl alpha-hydroxymethyl acrylate etc., its can separately or with it two or more combinationally use.
The method preparing multipolymer has no particular limits, but described multipolymer can be prepared by the such as mass polymerization of any typical polymerization methods, solution polymerization, letex polymerization or suspension polymerization.Preferred use solution polymerization.In addition, the chain-transfer agent etc. of the solvent be generally used in described polymerization, polymerization starter, control molecular weight can also be comprised.
Measured by gel permeation chromatography (GPC), described multipolymer can have 200,000 to 1, the weight-average molecular weight (with polystyrene basis, Mw) of 500,000, and preferably 400,000 to 1,200,000.If described molecular weight is less than 200,000, between multipolymer, solidify deficiency, cause problem in conjunction with in weather resistance.On the other hand, when described molecular weight is more than 1,500, when 000, need a large amount of diluting solvents just can guarantee the workability of wishing during coating.
Multipolymer of the present invention can mix with linking agent and be used as binder composition.
The linking agent used in the present invention can be cross-linked described multipolymer rightly to strengthen the cohesiveness of described tackiness agent, and comprise such as isocyanate-based linking agent, epoxy linking agent etc., described linking agent can separately or with it two or more combinationally use.
Described linking agent can comprise, such as, diisocyanate cpd is tolylene diisocyanate, Xylene Diisocyanate, 2 such as, 4-diphenylmethanediisocyanate, 4,4-diphenylmethanediisocyanates, hexamethylene diisocyanate, isophorone diisocyanate, tetramethylxylene diisocyanate, naphthalene diisocyanate etc.; By the adduct making 3 diisocyanate compounds and 1 mole of polyol compound such as TriMethylolPropane(TMP) be obtained by reacting; By the isocyanuric acid ester obtained from condensation of 3 diisocyanate compounds; The affixture of 3 diisocyanate compounds and TriMethylolPropane(TMP); The biuret products that the vulcabond urea provided by 2 moles among 3 diisocyanate compounds obtains with the vulcabond condensation of residue 1 mole; Polyfunctional isocyanate compound containing three functional groups, such as triphenylmethane triisocyanate, methylene-bis-triisocyanate, etc.
Described epoxy linking agent can comprise, such as, ethylene glycol diglycidylether, glycol ether diglycidylether, polyethyleneglycol diglycidylether, propylene glycol diglycidylether, tripropyleneglycol diglycidyl ether, polypropylene glycol diglycidyl ether, neopentylglycol diglycidyl ether, 1, 6-hexanediol diglycidyl ether, polytetramethylene glycol diglycidylether, glycerin diglycidyl ether, T 55, two glycerol polyglycidyl ether, Polyglycerine polyglycidyl ether, resorcinol diglycidyl ether, 2, 2-dibromoneopentyl glycol diglycidylether, TriMethylolPropane(TMP) glycidyl ether, tetramethylolmethane polyglycidyl ether, sorbyl alcohol polyglycidyl ether, hexanodioic acid glycidyl ester, O-phthalic acid glycidyl ester, three (glycidyl) isocyanuric acid ester, three (glycidoxyethyl) isocyanuric acid ester, 1, two (the N of 3-, N-glycidyl-amino methyl) hexanaphthene, N, N, N', N'-four glycidyl group m-xylene base diamines, etc..
Linking agent so as above can comprise the amount of 0.1 to 5 weight part, preferably 0.2 to 1.0 weight part relative to acrylic copolymer described in 100 weight parts.Not having to be cross-linked under linking agent, the coherent effect that a small amount of linking agent can be improved more can be added although the invention enables.Therefore, if described content is less than 0.1 weight part, then the effect improving cohesion may be not enough.On the other hand, when described content is more than 5 weight part, binding property may be reduced.
Except above-mentioned various component, binder composition of the present invention can also comprise different additives, namely, binding resin, antioxidant, corrosion inhibitor, flow agent, surface lubricant, dyestuff, pigment, defoamer, filler, photostabilizer, static inhibitor etc., so as according to its should be used for control expect bounding force, cohesion, viscosity, Young's modulus, second-order transition temperature, color etc.
Binder composition of the present invention comprises with the described monomer of certain content mixing and introduces crosslinked (i.e. bridging) structure to guarantee the cohesion expected, therefore, can represent thermotolerance and the humidity resistance of improvement.Therefore, even if when the polarizer combined by described binder composition and patterned retardation layer are exposed under wet heat condition, these layers also can be suppressed to occur to peel off or bulge phenomenon.In addition, when composite polarizing plate, the described patterned retardation layer contraction or expansion stress that may involve due to described polarizer causes the delay variance at its different positions place, due to described tackiness agent or use the stress relaxation of the above-mentioned layer of adhesive bond to cause the deterioration of 3D stereoeffect.
composite polarizing plate
In addition, the invention provides the composite polarizing plate utilizing above-mentioned binder composition to make.
The patterned retardation layer that composite polarizing plate of the present invention can be comprised polarizer and be bonded by a face of described binder composition and described polarizer.
Because described polarizer utilizes above-mentioned binder composition to be combined with described patterned retardation layer, therefore composite polarizing plate of the present invention can have high adherence.In this respect, as mentioned above, adhesive composition layer can carry out pie (π) the key interaction of patterning.
Described polarizer is had no particular limits, as long as it is generally used for field of display and can polarized incident light.Such as, can use by with iodine or dichroic dye dyeing polyvinyl alcohol (PVA) mesentery, the product that then manufactures with dyeing film described in the tractive of required direction.Protective membrane or there is the face that other films of phase shift films function can be contrary with the face that described patterned retardation layer bonds bond.
The structure of described patterned retardation layer has no particular limits, but can comprise normally used any structure in association area.Such as, substrate, alignment films and liquid crystal coatings can be stacked with form layers stack structure by this order.Or described structure can not comprise alignment films.
Described patterned retardation layer can be bonded into and allow described liquid crystal coatings towards described polarizer.
Described substrate has no particular limits, as long as it is made up of the material with excellent character such as transparency, physical strength, thermostability, moistureproof character, delay homogeneity, isotropic nature etc.Such as, the substrate be made up of at least one being selected from llowing group of materials can be used: polyolefin resin, vibrin, celluosic resin, polycarbonate resin, acrylic resin, styrene resin, vinyl chloride resin, amide resins, imide resin, polyethersulfone resin, sulphone resin, polyether ethersulfone resin, polyether-ether-ketone resin, polyphenylene sulfide, vinyl alcohol resin, permalon, vinyl butyral resin, allylation resin, polyformaldehyde resin and epoxy resin.
When described patterned retardation layer comprises oriented layer, can by applying in association area the normally used composition for the formation of oriented layer to substrate to provide orientation character, then, by described coating formation pattern to have different differently-s oriented directivity, thus described oriented layer is formed.
The described method of orientation character that provides can comprise, and such as, friction, light orientation etc., described pattern formation method can comprise the method for multiple exposures with multiple utilizing photomask.But, described in provide the method for orientation character and/or pattern to be formed method have no particular limits.
Light for exposing has no particular limits, but can comprise, such as, and the ionic fluid of polarized UV optical radiation, predetermined angular or plasma beam radiation, irradiation etc.Such as, preferably polarized UV optical radiation is used.
Described liquid crystal layer can be formed by being applied for composition, the then cross-linking of formation liquid crystal coatings to described oriented layer, and described composition comprises reactive liquid crystalline monomer (RM) and is normally used in association area.
Described RM has no particular limits, but can comprise any monomer be generally used in association area, and preferably has the monomer of phenyl ring.
When described patterned retardation layer does not comprise described oriented layer, by not having the substrate of described oriented layer to apply the described composition for the formation of liquid crystal coatings, then exposed to realize pattern formation and orientation simultaneously, phase shift films can be formed.
In this case, the described composition for the formation of liquid crystal coatings can also comprise can by polarized ultraviolet any compound of orientation, such as straight chain optical polymerism polymkeric substance, to carry out orientation.
If described patterned retardation layer does not comprise described oriented layer, then, compared with comprising the situation of described oriented layer, the thin-film display that thickness is less can be obtained.
Because composite polarizing plate of the present invention utilizes binder composition of the present invention to make, so the contraction of the described patterned retardation layer that the contraction due to described polarizer can be suppressed to be caused by stress, even if when described Polarizer is exposed to wet heat condition for a long time.Such as, at it is exposed to 60 DEG C, 250 is constantly little, and described patterned retardation layer can have the variation at the unit cell pattern interval of 0.13% or less.As a result, the deterioration of 3D stereoeffect can be suppressed.
In addition, the composite polarizing plate utilizing binder composition of the present invention to make can show excellent bonding between polarizer and patterned retardation layer.Such as, the stripping strength applied between described polarizer and described patterned retardation layer can be 4N/25mm or higher, and preferable range is from 4 to 6N/25mm or higher.
image display device
In addition, the invention provides the image display device comprising above-mentioned composite polarizing plate.
Described image display device has no particular limits, but can comprise, such as, for obtaining liquid crystal indicator or transflective liquid crystal display device, plasm display device, the organic EL display etc. of stereo-picture.
Composite polarizing plate of the present invention can be provided on the position of usual layered polarization plate and patterned retardation layer.
Below, preferred implementation is described more specifically to understand the present invention with reference to embodiment.But, there is provided such embodiment be for illustrative purposes instead of restriction appended by claim, various modifications and changes are possible not deviating under scope and spirit of the present invention, and such modifications and changes should be included in the present invention as claims restriction, and these will be that those skilled in the relevant art are apparent.
Embodiment
Preparation example 1 to 8
The positive butyl ester of 60 parts by weight of acrylic acid (BA), 35 weight parts of methacrylic acid benzyl esters (BzMA), 2 parts by weight of acrylic acid hydroxy methacrylates (HEA), 3 parts by weight of acrylic acid (AA) and 100 weight parts are introduced in the 1L reactor being equipped with refrigerating unit as the ethyl acetate (acetone) of solvent, described refrigerating unit is for ease of control temperature, and nitrogen refluxes wherein.Then, nitrogen purging 1 hour with after removing oxygen, described mixture remains on 62 DEG C.After described mixture is mixed, introduce the reaction initiator of 0.07 weight part to described mixture, i.e. Diisopropyl azodicarboxylate (AIBN), reacted 6 hours subsequently to prepare weight-average molecular weight about 1, the acrylic copolymer of 000,000 (preparation example 1).
Except constituent and content change as shown in Table 1 below, according to the identical program described in such as preparation example 1, be prepared example 2 to 8 respectively, prepare acrylic copolymer (in Table 1, PEA: acrylate, MA: methyl acrylate).
[table 1]
| Preparation example | BA | PEA | BzMA | MA | HEA | AA |
| 1 | 60 | - | 35 | - | 2 | 3 |
| 2 | 60 | 35 | - | - | 2 | 3 |
| 3 | 50 | 45 | - | - | 2 | 3 |
| 4 | 40 | 55 | - | - | 2 | 3 |
| 5 | 70 | - | 25 | - | 2 | 3 |
| 6 | 95 | - | - | - | 2 | 3 |
| 7 | 60 | - | - | 35 | 2 | 3 |
| 8 | 30 | 65 | - | - | 2 | 3 |
embodiment 1 to 4
TDI-TMP affixture (the CORONATE-L of 0.5 weight part is added in the various acrylic copolymers in 100 weight parts (solids content) preparation example 1 to 4, JapanUrethaneCO.) as linking agent, to prepare binder composition (TDI-TMP: the toluenediisocyanate compound of TriMethylolPropane(TMP) bonding).
Prepared binder composition is diluted to the concentration of 20% according to solids content after, it is put on the PET film departing from process through silicon, reach the thickness of 20 μm, described film in 100 DEG C of baking ovens dry 1 minute.Then, described film and PVA polarizer bond, and described PVA polarizer has the TAC (40 μm) bonded with one face, and the PVA face of described PVA polarizer contacts with tackiness agent by this way, then, at room temperature store and are cured for 7 days.
After having solidified, remove described release film, the delay liquid crystal coatings face of patterned retardation layer (MPR32, DNPCo.) is contacted with described tackiness agent, subsequently described polarizer is combined with described patterned retardation layer, thus make composite polarizing plate.
comparative example 1 to 4
Except using the acrylic copolymer of preparation in preparation example 5 to 8 respectively, prepare binder composition and composite polarizing plate according to identical program as described in example 1 above.
comparative example 5
There is the PVA polarizer of the TAC (40 μm) bonded with one face to make PVA face and the patterned retardation layer (MPR32 of described PVA polarizer, the mode of delay liquid crystal layer coat side contact DNPCo.) is placed, and utilizes subsequently and comprises 2% polyvinyl alcohol solution that is dissolved in wherein and the 0.2 weight part oxalic dialdehyde aqueous binder as linking agent in conjunction with described polarizer and described patterned retardation layer.Then, the product of described combination in drying oven at 100 DEG C dry 3 minutes, then, at room temperature places 24 hours, thus makes composite polarizing plate.
test example
Each composite polarizing plate made carries out following test, and its result shows in following table 2.
(1) measurement of stripping strength
Making described composite polarizing plate during, release film is inserted sample terminal portions and with its bonding to prevent described tackiness agent face from contacting described FPR film.Then, described sample is cut into the width with 25mm, is peeled off subsequently under the detachment rate of 300mm/min with the direction of delaminate of 180 °.Then, stripping strength is measured.
(2) thermotolerance and humidity resistance evaluation
The TAC face of the tackiness agent solidified in advance and described composite polarizing plate bonds, and is combined with soda glass by the Polarizer of described process, then carries out autoclave process.
Then, in Polarizer indwelling 500 hours and the indwelling after 500 hours under 60 DEG C and 90%RH at 80 DEG C respectively of described process, study and whether the adhesive face between described polarizer and described liquid crystal coatings produce bubble or peel off.Result of study is used for evaluating thermotolerance and humidity resistance according to following judgement criteria.
Zero: do not observe bubbling or stripping
△: observe bubbling or stripping in very little region
X: easily observe visually bubbling or stripping
When zero, only have when both thermotolerance and humidity resistance all reach above-mentioned standard, it is just be evaluated as zero.As for Δ and X, even if when only having one of thermotolerance and humidity resistance to reach above-mentioned standard, it is just be evaluated as Δ or X.
(3) stereoeffect evaluation
By 3D TV (47LA7400, LGElectronics, the centre portions of the indicating meter Co.) is cut into the size of 15cm × 25cm and removes described polarizer and described patterned retardation layer from described cutting part, according to the identical program making as described in test example 2 well and the composite polarizing plate be then combined with soda glass is cut into same size as above, bond with corresponding part, then indwelling 250 hours at 80 DEG C.
After this, after turning on TV, put on 3D glasses (accessory of above-mentioned 3D TV) and watch TV with surveillance map picture, according to the homogeneity of following standard evaluation 3D stereoeffect.
Zero: the difference being not aware of 3D stereoeffect on whole of described indicating meter completely
△: at the terminal portions in described samples vertical direction (TD direction), stereoeffect is in a slight decrease
X: at the terminal portions in described samples vertical direction (TD direction), knows and determines that stereoeffect reduces significantly
(4) stereoeffect evaluation
According to the same program as described in test example (2), make composite polarizing plate.32 inches of 3D TVs pixel (MPR32, DNPCo.) mate such mode with described pixel with the unit cell pattern of described patterned retardation layer and made Polarizer bonds.
Then, taking to having alternately red/blue image after on described 3D TV unit picture element, measuring the original intensity of the image only embodied with left or right circular polarization in 9 positions comprising screen center.Afterwards, estimate the luminance difference between described centre portions and other edge sections (surrounding) from observed value, then calculate the overall average difference (see following math equation) of brightness based on the total difference of left-eye image brightness and the total difference of eye image brightness.
D＝(D
L+D
R)/2
D
L＝|(L
C–L
e)|，D
R＝|(R
C–R
e)|，
L
e＝(L
e1+L
e2+…+L
e8)/8，R
e＝(R
e1+R
e2+…+R
e8)/8,
(wherein
D: the overall average of brightness is poor,
D
l: the total difference of left-eye image brightness,
D
r: the total difference of eye image brightness,
L
c: the brightness of the central part office of left-eye image,
L
e: the mean flow rate that the surrounding of left-eye image locates,
R
c: the brightness of the central part office of eye image,
R
e: the mean flow rate that the surrounding of eye image locates,
L
e1, L
e2 ..., L
e8: each brightness value of surrounding 8 positions of left-eye image,
R
e1, R
e2 ..., R
e8: each brightness value of surrounding 8 positions of eye image)
Then, in the indwelling 250 hours and then after bringing described image at 60 DEG C of described Polarizer, measure brightness and evaluate the luminance fluctuation between initial D value and the indwelling D value after it.
[standard according to luminance fluctuation determination stereoeffect]
Zero: but when D value mobility scale be 0% or higher be less than 30% time, discover the position difference less than 3D stereoeffect
△: but when D value mobility scale be 30% or higher be less than 60% time, observe a little stereoeffect reduce.
X: when the variation of D value is 60% or higher, clear view reduces to stereoeffect.
(5) measurement changed in the unit cell pattern interval of patterned retardation layer
According to the same program as described in test example (2), make composite polarizing plate, bond with 32 inches of soda glass and carry out autoclave process.Then, the interval of first unit pattern is measured, and by the indwelling after 250 hours at 60 DEG C of described Polarizer, the interval of unit of measure's pattern again.Then, from the variation at the above results pro forma invoice bit patterns interval.
[table 2]
Reference table 2, in embodiment 1 to 4, the binder composition of preparation has very high stripping strength.In addition, show excellent thermotolerance and humidity resistance by the composite polarizing plate made of its bonding, and outstanding stereoeffect and do not have difference in various position.In addition, because the variation (%) at the unit cell pattern interval of described patterned retardation layer is very little, is 0.13% or less, easily guarantees the overall uniformity of stereoeffect.
But the binder composition of preparation has the stripping strength of reduction and shows thermotolerance and humidity resistance is poor in comparative example 1 to 5.In addition, because the variation at unit cell pattern interval (%) is more than 0.13%, compared with embodiments of the invention, observe the result of deterioration.More specifically, do not have described in there is the monomer of phenyl ring comparative example 2 and 3 show thermotolerance/humidity resistance and significantly reduce.In addition, use the stripping strength of the comparative example 4 of too much described aromatics acrylic monomer to reduce at most, and utilize the comparative example 5 of aqueous-based adhesive to demonstrate the result of stripping strength reduction and stereoeffect deterioration.
Claims (13)
1. binder composition, comprises:
With the multipolymer of monomer polymerization, described monomer comprises (methyl) acrylate monomer of the alkyl with 1 to 12 carbon atom and is the acrylic monomer with the aromatic ring of 6 to 18 carbon atoms of 30 to 60 weight parts relative to (methyl) acrylate monomer described in 100 weight parts, and described multipolymer is by polymerization preparation; With
Linking agent.
2. composition according to claim 1, the wherein said acrylic monomer with the aromatic ring of 6 to 18 carbon atoms is represented by following formula 1:
[formula 1]
Wherein R
1be hydrogen atom or methyl, X is Sauerstoffatom or-NH-, and R
2phenyl, naphthyl or phenylalkyl (there is the alkyl of 1 to 6 carbon atom), it is by hydroxyl, carboxyl, propyloxy phenyl base or have that the straight or branched alkyl of 1 to 6 carbon atom replaces or unsubstituted, and if R
2be phenylalkyl, can be interrupted by Sauerstoffatom ,-CO-,-COO-,-NH-or the cycloalkenyl group with 5 to 10 carbon atoms.
3. composition according to claim 1, wherein said (methyl) acrylate monomer with the alkyl of 1 to 12 carbon atom is selected from following at least one: (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) n-propyl, (methyl) isopropyl acrylate, (methyl) n-butyl acrylate, (methyl) vinylformic acid 2-butyl ester, (methyl) tert-butyl acrylate, (methyl) 2-EHA, (methyl) vinylformic acid 2-ethyl butyl ester, (methyl) amyl acrylate, (methyl) n-octyl, (methyl) Isooctyl acrylate monomer, (methyl) vinylformic acid ester in the positive ninth of the ten Heavenly Stems, (methyl) vinylformic acid ester in the different ninth of the ten Heavenly Stems, (methyl) decyl acrylate and (methyl) lauryl acrylate.
4. composition according to claim 1, wherein said multipolymer monomer polymerization, described monomer also comprises the monomer with hydroxyl and at least one had in the monomer of carboxyl.
5. composition according to claim 4, the wherein said monomer with hydroxyl comprises and is selected from following at least one: (methyl) vinylformic acid 2-hydroxy methacrylate, (methyl) vinylformic acid 2-hydroxy propyl ester, (methyl) vinylformic acid 2-hydroxybutyl, (methyl) vinylformic acid 4-hydroxybutyl, the own ester of (methyl) vinylformic acid 6-hydroxyl, (methyl) vinylformic acid 2-hydroxyl glycol ester, (methyl) vinylformic acid 2-hydroxyl propylene glycol ester, there is (methyl) dihydroxypropyl alkylidene diol ester of the alkylidene group of 2 to 4 carbon atoms, 4-hydroxybutyl vinyl ether, 5-Hydroxy pentyl vinyl ether, 6-hydroxyl hexyl vinyl ether, 7-Hydroxyheptyl vinyl ether, 8-hydroxy octyl vinyl ether, 9-hydroxynonyl vinyl ether and 10-hydroxydecyl vinyl ether.
6. composition according to claim 4, the wherein said monomer with carboxyl is selected from following at least one: (methyl) vinylformic acid, β-crotonic acid, 3-(acryloxy) propionic acid, 4-(2-(acryloxy) oxyethyl group)-4-ketobutyric acid, 3-((2-(acryloxy) oxyethyl group) carbonyl) hexahydrobenzoic acid, 4-(2-acrylamide base oxethyl)-4-ketobutyric acid; Toxilic acid, methylene-succinic acid, fumaric acid and mono alkyl ester (there is the alkyl of 1 to 5 carbon atom) thereof; 3-(methyl) acryl propionic acid; There is the open loop affixture of the succinyl oxide of (methyl) vinylformic acid 2-hydroxyalkyl acrylate of the alkyl of 2 to 3 carbon atoms, there is the open loop affixture of the succinyl oxide of (methyl) dihydroxypropyl alkylidene diol ester of the alkylidene group of 2 to 4 carbon atoms, the compound prepared by succinyl oxide and the open loop addition of caprolactone affixture of (methyl) vinylformic acid 2-hydroxyalkyl acrylate of alkyl with 2 to 3 carbon atoms.
7. composite polarizing plate, comprises:
Polarizer; With
By the patterned retardation layer that a face of the binder composition according to any one of claim 1 to 6 and described polarizer bonds.
8. Polarizer according to claim 7, wherein said polarizer comprises the film with protective membrane function or the film with phase shift films function, and the face that described film is contrary with the face that described patterned retardation layer bonds bonds.
9. Polarizer according to claim 7, wherein said patterned retardation layer comprises liquid crystal coatings, and described liquid crystal coatings contains the reactive liquid crystalline monomer with phenyl ring.
10. Polarizer according to claim 7, the stripping strength between wherein said polarizer and described patterned retardation layer is 4N/25mm or higher.
11. Polarizers according to claim 7, wherein said patterned retardation layer does not comprise oriented layer.
12. Polarizer according to claim 7, wherein 250 constantly little at described Polarizer is exposed to 60 DEG C, described patterned retardation layer has the variation at the unit cell pattern interval of 0.13% or less.
13. image display devices, it comprises composite polarizing plate according to claim 7.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0093992 | 2013-08-08 | ||
| KR1020130093992A KR20150017858A (en) | 2013-08-08 | 2013-08-08 | Pressure-sensitive adhesive composition and complexed polarization plate using the same |
| PCT/KR2014/006711 WO2015020330A1 (en) | 2013-08-08 | 2014-07-23 | Adhesive composition and composite polarizing plate using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105452413A true CN105452413A (en) | 2016-03-30 |
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|---|---|---|---|
| CN201480044420.8A Pending CN105452413A (en) | 2013-08-08 | 2014-07-23 | Adhesive composition and composite polarizing plate using same |
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| Country | Link |
|---|---|
| KR (1) | KR20150017858A (en) |
| CN (1) | CN105452413A (en) |
| TW (1) | TW201506103A (en) |
| WO (1) | WO2015020330A1 (en) |
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| JP6648183B2 (en) * | 2018-04-03 | 2020-02-14 | 日東電工株式会社 | Polarizing film with adhesive layer for LCD panel with built-in touch sensing function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313043A (en) * | 2005-11-21 | 2008-11-26 | 综研化学株式会社 | Adhesive composition for optical film, adhesive sheet, and optical member using such adhesive composition |
| CN101679826A (en) * | 2007-01-23 | 2010-03-24 | Lg化学株式会社 | Optically compensated acrylic pressure-sensitive adhesive composition, polarizing plate and liquid crystal display device containing the same |
| CN101932667A (en) * | 2008-02-01 | 2010-12-29 | Lg化学株式会社 | Acrylic pressure-sensitive adhesive comprising optically anisotropic compound, polarizing plate and liquid crystal display including the same |
| CN102083931A (en) * | 2008-07-01 | 2011-06-01 | Lg化学株式会社 | Adhesive composition, polarizing plate, and liquid crystal display |
| WO2013077271A1 (en) * | 2011-11-24 | 2013-05-30 | 日東電工株式会社 | Adhesive composition, adhesive layer, polarizing film having adhesive layer, and image formation device |
| CN103725203A (en) * | 2012-10-10 | 2014-04-16 | 第一毛织株式会社 | Adhesive film, adhesive composition for the same, and display member including the same |
| CN103865409A (en) * | 2012-12-17 | 2014-06-18 | 藤森工业株式会社 | Adhesive layer and adhesive film |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101019064B1 (en) * | 2008-01-14 | 2011-03-07 | 주식회사 엘지화학 | Acrylic Pressure-Sensitive Adhesive Composition |
| KR101074501B1 (en) * | 2008-02-01 | 2011-10-17 | 주식회사 엘지화학 | Acrylic pressure-sensitive adhesive composition comprising optically anisotropic compound, polarizing plate and liquid crystal display device comprising the same |
| KR101171977B1 (en) * | 2008-06-05 | 2012-08-08 | 주식회사 엘지화학 | Acrylic pressure-sensitive adhesive composition, polarizing plate and liquid crystal display device comprising the same |
| KR101509442B1 (en) * | 2008-08-06 | 2015-04-06 | 동우 화인켐 주식회사 | Anti- static and anti-light leakage adhesive composition and polarizing plate using the composition |
-
2013
- 2013-08-08 KR KR1020130093992A patent/KR20150017858A/en not_active Application Discontinuation
-
2014
- 2014-07-23 WO PCT/KR2014/006711 patent/WO2015020330A1/en active Application Filing
- 2014-07-23 CN CN201480044420.8A patent/CN105452413A/en active Pending
- 2014-08-05 TW TW103126793A patent/TW201506103A/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313043A (en) * | 2005-11-21 | 2008-11-26 | 综研化学株式会社 | Adhesive composition for optical film, adhesive sheet, and optical member using such adhesive composition |
| CN101679826A (en) * | 2007-01-23 | 2010-03-24 | Lg化学株式会社 | Optically compensated acrylic pressure-sensitive adhesive composition, polarizing plate and liquid crystal display device containing the same |
| CN101932667A (en) * | 2008-02-01 | 2010-12-29 | Lg化学株式会社 | Acrylic pressure-sensitive adhesive comprising optically anisotropic compound, polarizing plate and liquid crystal display including the same |
| CN102083931A (en) * | 2008-07-01 | 2011-06-01 | Lg化学株式会社 | Adhesive composition, polarizing plate, and liquid crystal display |
| WO2013077271A1 (en) * | 2011-11-24 | 2013-05-30 | 日東電工株式会社 | Adhesive composition, adhesive layer, polarizing film having adhesive layer, and image formation device |
| CN103725203A (en) * | 2012-10-10 | 2014-04-16 | 第一毛织株式会社 | Adhesive film, adhesive composition for the same, and display member including the same |
| CN103865409A (en) * | 2012-12-17 | 2014-06-18 | 藤森工业株式会社 | Adhesive layer and adhesive film |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201506103A (en) | 2015-02-16 |
| KR20150017858A (en) | 2015-02-23 |
| WO2015020330A1 (en) | 2015-02-12 |
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