JP2014527647A - 偏光板 - Google Patents
偏光板 Download PDFInfo
- Publication number
- JP2014527647A JP2014527647A JP2014525945A JP2014525945A JP2014527647A JP 2014527647 A JP2014527647 A JP 2014527647A JP 2014525945 A JP2014525945 A JP 2014525945A JP 2014525945 A JP2014525945 A JP 2014525945A JP 2014527647 A JP2014527647 A JP 2014527647A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive layer
- polarizing plate
- pressure
- sensitive adhesive
- plate according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 20
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 120
- 239000010410 layer Substances 0.000 claims description 108
- 150000001875 compounds Chemical class 0.000 claims description 106
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 105
- 239000000203 mixture Substances 0.000 claims description 79
- 230000001070 adhesive effect Effects 0.000 claims description 77
- 239000000853 adhesive Substances 0.000 claims description 75
- 239000004593 Epoxy Substances 0.000 claims description 74
- 239000000178 monomer Substances 0.000 claims description 74
- 239000012790 adhesive layer Substances 0.000 claims description 51
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 37
- 125000002723 alicyclic group Chemical group 0.000 claims description 27
- 239000003431 cross linking reagent Substances 0.000 claims description 27
- 230000001681 protective effect Effects 0.000 claims description 22
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 21
- 229920000058 polyacrylate Polymers 0.000 claims description 20
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 18
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 18
- 230000002209 hydrophobic effect Effects 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000004695 Polyether sulfone Substances 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 230000005684 electric field Effects 0.000 claims description 2
- 229920006289 polycarbonate film Polymers 0.000 claims description 2
- 229920006267 polyester film Polymers 0.000 claims description 2
- 229920006393 polyether sulfone Polymers 0.000 claims description 2
- 230000000704 physical effect Effects 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 230000035939 shock Effects 0.000 abstract description 4
- 230000001629 suppression Effects 0.000 abstract description 3
- -1 for example Chemical class 0.000 description 71
- 239000000126 substance Substances 0.000 description 49
- 125000000217 alkyl group Chemical group 0.000 description 30
- 125000004432 carbon atom Chemical group C* 0.000 description 30
- 238000006243 chemical reaction Methods 0.000 description 29
- 238000001723 curing Methods 0.000 description 25
- 239000003999 initiator Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 25
- 239000001257 hydrogen Substances 0.000 description 22
- 229910052739 hydrogen Inorganic materials 0.000 description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 18
- 229920005989 resin Polymers 0.000 description 17
- 239000011347 resin Substances 0.000 description 17
- 229920000642 polymer Polymers 0.000 description 16
- 150000001768 cations Chemical class 0.000 description 15
- 238000011156 evaluation Methods 0.000 description 14
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 13
- 150000003254 radicals Chemical class 0.000 description 12
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 description 11
- 239000006087 Silane Coupling Agent Substances 0.000 description 10
- 125000000524 functional group Chemical group 0.000 description 10
- 239000012948 isocyanate Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 239000005020 polyethylene terephthalate Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 239000004925 Acrylic resin Substances 0.000 description 8
- 229920000178 Acrylic resin Polymers 0.000 description 8
- 125000002947 alkylene group Chemical group 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 8
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 description 8
- 150000002513 isocyanates Chemical class 0.000 description 8
- 238000006116 polymerization reaction Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 125000001118 alkylidene group Chemical group 0.000 description 6
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 229920002284 Cellulose triacetate Polymers 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 5
- 150000001334 alicyclic compounds Chemical class 0.000 description 5
- 125000001931 aliphatic group Chemical group 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 125000003700 epoxy group Chemical group 0.000 description 5
- 230000009477 glass transition Effects 0.000 description 5
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 4
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 4
- NJWGQARXZDRHCD-UHFFFAOYSA-N 2-methylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(C)=CC=C3C(=O)C2=C1 NJWGQARXZDRHCD-UHFFFAOYSA-N 0.000 description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 4
- GUCYFKSBFREPBC-UHFFFAOYSA-N [phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C(=O)C1=C(C)C=C(C)C=C1C GUCYFKSBFREPBC-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 230000001976 improved effect Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 239000003504 photosensitizing agent Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 4
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical group C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 description 3
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 3
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 3
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 3
- RZVINYQDSSQUKO-UHFFFAOYSA-N 2-phenoxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC1=CC=CC=C1 RZVINYQDSSQUKO-UHFFFAOYSA-N 0.000 description 3
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 229920000537 Poly[(phenyl glycidyl ether)-co-formaldehyde] Polymers 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- 244000028419 Styrax benzoin Species 0.000 description 3
- 235000000126 Styrax benzoin Nutrition 0.000 description 3
- 235000008411 Sumatra benzointree Nutrition 0.000 description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 229960002130 benzoin Drugs 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
- 239000012952 cationic photoinitiator Substances 0.000 description 3
- 239000013522 chelant Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 235000019382 gum benzoic Nutrition 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 229920003986 novolac Polymers 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000000016 photochemical curing Methods 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
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- 238000010526 radical polymerization reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 125000005409 triarylsulfonium group Chemical group 0.000 description 3
- RLUFBDIRFJGKLY-UHFFFAOYSA-N (2,3-dichlorophenyl)-phenylmethanone Chemical compound ClC1=CC=CC(C(=O)C=2C=CC=CC=2)=C1Cl RLUFBDIRFJGKLY-UHFFFAOYSA-N 0.000 description 2
- XKSUVRWJZCEYQQ-UHFFFAOYSA-N 1,1-dimethoxyethylbenzene Chemical compound COC(C)(OC)C1=CC=CC=C1 XKSUVRWJZCEYQQ-UHFFFAOYSA-N 0.000 description 2
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 description 2
- DKEGCUDAFWNSSO-UHFFFAOYSA-N 1,8-dibromooctane Chemical compound BrCCCCCCCCBr DKEGCUDAFWNSSO-UHFFFAOYSA-N 0.000 description 2
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 description 2
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 2
- GIMQKKFOOYOQGB-UHFFFAOYSA-N 2,2-diethoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCC)(OCC)C(=O)C1=CC=CC=C1 GIMQKKFOOYOQGB-UHFFFAOYSA-N 0.000 description 2
- KWVGIHKZDCUPEU-UHFFFAOYSA-N 2,2-dimethoxy-2-phenylacetophenone Chemical compound C=1C=CC=CC=1C(OC)(OC)C(=O)C1=CC=CC=C1 KWVGIHKZDCUPEU-UHFFFAOYSA-N 0.000 description 2
- BTJPUDCSZVCXFQ-UHFFFAOYSA-N 2,4-diethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC(CC)=C3SC2=C1 BTJPUDCSZVCXFQ-UHFFFAOYSA-N 0.000 description 2
- LCHAFMWSFCONOO-UHFFFAOYSA-N 2,4-dimethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(C)=CC(C)=C3SC2=C1 LCHAFMWSFCONOO-UHFFFAOYSA-N 0.000 description 2
- UMLWXYJZDNNBTD-UHFFFAOYSA-N 2-(dimethylamino)-1-phenylethanone Chemical compound CN(C)CC(=O)C1=CC=CC=C1 UMLWXYJZDNNBTD-UHFFFAOYSA-N 0.000 description 2
- XOGPDSATLSAZEK-UHFFFAOYSA-N 2-Aminoanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(N)=CC=C3C(=O)C2=C1 XOGPDSATLSAZEK-UHFFFAOYSA-N 0.000 description 2
- DZZAHLOABNWIFA-UHFFFAOYSA-N 2-butoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCCCC)C(=O)C1=CC=CC=C1 DZZAHLOABNWIFA-UHFFFAOYSA-N 0.000 description 2
- ZCDADJXRUCOCJE-UHFFFAOYSA-N 2-chlorothioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(Cl)=CC=C3SC2=C1 ZCDADJXRUCOCJE-UHFFFAOYSA-N 0.000 description 2
- KMNCBSZOIQAUFX-UHFFFAOYSA-N 2-ethoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCC)C(=O)C1=CC=CC=C1 KMNCBSZOIQAUFX-UHFFFAOYSA-N 0.000 description 2
- SJEBAWHUJDUKQK-UHFFFAOYSA-N 2-ethylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC=C3C(=O)C2=C1 SJEBAWHUJDUKQK-UHFFFAOYSA-N 0.000 description 2
- YJQMXVDKXSQCDI-UHFFFAOYSA-N 2-ethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC=C3SC2=C1 YJQMXVDKXSQCDI-UHFFFAOYSA-N 0.000 description 2
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 description 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- BQZJOQXSCSZQPS-UHFFFAOYSA-N 2-methoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OC)C(=O)C1=CC=CC=C1 BQZJOQXSCSZQPS-UHFFFAOYSA-N 0.000 description 2
- LWRBVKNFOYUCNP-UHFFFAOYSA-N 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholin-4-ylpropan-1-one Chemical compound C1=CC(SC)=CC=C1C(=O)C(C)(C)N1CCOCC1 LWRBVKNFOYUCNP-UHFFFAOYSA-N 0.000 description 2
- MYISVPVWAQRUTL-UHFFFAOYSA-N 2-methylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(C)=CC=C3SC2=C1 MYISVPVWAQRUTL-UHFFFAOYSA-N 0.000 description 2
- YTPSFXZMJKMUJE-UHFFFAOYSA-N 2-tert-butylanthracene-9,10-dione Chemical compound C1=CC=C2C(=O)C3=CC(C(C)(C)C)=CC=C3C(=O)C2=C1 YTPSFXZMJKMUJE-UHFFFAOYSA-N 0.000 description 2
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 description 2
- YDIYEOMDOWUDTJ-UHFFFAOYSA-N 4-(dimethylamino)benzoic acid Chemical compound CN(C)C1=CC=C(C(O)=O)C=C1 YDIYEOMDOWUDTJ-UHFFFAOYSA-N 0.000 description 2
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 description 2
- NIJZFHNDUJXJMR-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]heptan-4-ylmethanol Chemical compound C1C(CO)CCC2OC21 NIJZFHNDUJXJMR-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
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- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 2
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- FFBZKUHRIXKOSY-UHFFFAOYSA-N aziridine-1-carboxamide Chemical compound NC(=O)N1CC1 FFBZKUHRIXKOSY-UHFFFAOYSA-N 0.000 description 2
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- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 description 1
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Images
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- 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
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- 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
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- G02F1/133528—Polarisers
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/202—LCD, i.e. liquid crystal displays
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- C09J133/04—Homopolymers or copolymers of esters
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- C09J133/04—Homopolymers or copolymers of esters
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- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
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- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
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- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
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- Crystallography & Structural Chemistry (AREA)
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- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
また、上記化学式14で、pは、好ましくは、0または1であることができる。
上記偏光板に含まれる粘着剤層は、第1表面と第2表面を有し、上記第1表面及び第2表面での引張弾性率が異なる数値を示す。1つの例示で、上記第1表面は、上記第2表面に比べて高い引張弾性率を示し、このような第1表面が上記接着剤層に直接付着されており、上記第2表面は、偏光板を液晶パネルに付着させるための粘着表面であることができる。
上記のように粘着剤層で接着剤層に付着される第1表面の引張弾性率を高く設定する場合、高温または高湿条件のような苛酷条件で偏光子の収縮または膨脹現象を抑制することができる。また、偏光板を液晶パネルのガラス基板などに付着する第2表面は、低い引張弾性率を有するようにして、優れた濡れ性などを確保することができる。
1つの例示で、粘着剤層が第1表面を形成する第1粘着剤層;及び第2表面を形成する第2粘着剤層を含み、上記第1表面が偏光子に付着される場合、上記第1光硬化型粘着剤組成物として、IPN構造を具現する粘着剤組成物を使用して形成することが好ましく、これにより、1つの例示で、上記第1粘着剤層は、多官能性架橋剤により架橋されたアクリル重合体を含む架橋構造と重合された多官能性アクリレートを含む架橋構造を含むことができる。
窒素ガスが還流され、かつ温度調節が容易になるように冷却装置を設置した1L反応器にn−ブチルアクリレート(n−BA)98重量部及び2−ヒドロキシエチルアクリレート(2−HEA)2重量部を投入した。次いで、反応器に溶剤としてエチルアセテート(EAc;ethyl aceate)180重量部を投入し、酸素除去のために窒素ガスを60分間パージング(purging)した。その後、温度を67℃に維持し、反応開始剤であるAIBN(azobisisobutyronitrile)0.05重量部を投入し、8時間反応させた。反応後に、エチルアセテートで希釈し、固形分の濃度が30重量%であり、重量平均分子量が100万であり、分子量分布が4.9であるアクリル重合体(A)を製造した。
単量体組成を下記表1のように変更したことを除いて、製造例1の方式に基づいて、アクリル重合体(B)〜(D)を製造した。製造された重合体の重量平均分子量及び分子量分布を下記表1に整理した。
2−ヒドロキシエチルアクリレート(2−hydroxy ethyl acrylate)55重量部、フェノキシエチルアクリレート(Phenoxyethyl acrylate)20重量部、イソボルニルアクリレート(Isobornyl acrylate)15重量部及びエポキシ化合物として、分子量が3000のノボラックエポキシ樹脂であるポリ[(フェニルグリシジルエーテル)−co−ホルムアルデヒド]5重量部を配合し、配合物に、ラジカル開始剤(TPO、Darocure TPO)4重量部、陽イオン性重合開始剤としてIHT−PI43(50% mixed triarylsulfonium hexafluorophosphate salt及び50% Propylene carbonate)1重量部を混合し、接着剤組成物を製造した。
第1粘着剤層の製造
アクリル重合体(A)100重量部、多官能性架橋剤(TDI系イソシアネート、Coronate L、日本ポリウレタン社製)3重量部、多官能性アクリレート(3官能性ウレタンアクリレート、Aronix M−315)100重量部、光開始剤(Irg184、ヒドロキシシクロヘキシルフェニルケトン、スイス国チバスペシャルティケミカルズ製)3重量部及びシランカップリング剤(M812、β−シアノアセチル基を有するシランカップリング剤、韓国LG化学社製)0.1重量部を固形分の濃度が30重量%になるように溶剤に配合し、第1粘着剤組成物を製造した。次いで、製造された粘着剤組成物を離型処理されたPET(poly(ethylene terephthalate))離型フィルム(厚さ:38μm、MRF−38、三菱社製)の離型処理面に乾燥後の厚さが25μmになるようにコーティングし、110℃のオーブンで3分間乾燥させた。次いで、乾燥したコーティング層にさらに離型処理されたPET離型フィルム(厚さ:38μm、MRF−38、三菱社製)の離型処理面をラミネートする。次いで、下記条件でUV(ultraviolet ray)を照射し、2枚のPET離型フィルムの間で第1粘着剤層を形成した。形成された第1粘着剤層の引張弾性率(25℃)は、300MPaであった。本実施例において引張弾性率は、後述する方式に従って測定される。
〈UV照射条件〉
紫外線照射器:高圧水銀ランプ
照射条件:
照度:600mW/cm2
光量:150mJ/cm2
アクリル重合体(A)100重量部、多官能性架橋剤(TDI系イソシアネート、Coronate L、日本ポリウレタン社製)0.01重量部及びシランカップリング剤(M812、β−シアノアセチル基を有するシランカップリング剤、韓国LG化学社製)0.1重量部を固形分の濃度が30重量%になるように溶剤に配合し、第2粘着剤組成物を製造した。次いで、製造された粘着剤組成物を離型処理されたPET離型フィルム(厚さ:38μm、MRF−38、三菱社製)の離型処理面に乾燥後の厚さが25μmになるようにコーティングし、110℃のオーブンで3分間乾燥させて第2粘着剤層を形成し、上記に離型処理されたPET離型フィルム(厚さ:38μm、MRF−38、三菱社製)をさらにラミネートした。形成された第2粘着剤層の引張弾性率(25℃)は、0.06MPaであった。
次いで、上記製造された第1粘着剤層と上記第2粘着剤層を互いにラミネートし、2層構造の粘着剤層を形成した。
ポリビニルアルコール系樹脂フィルムを延伸し、ヨードで染色した後、ホウ酸(boric acid)水溶液で処理して製造された偏光子の一面に保護フィルムとしてアクリルフィルム(フェノキシ樹脂、ポリスチレン及びポリメチルメタクリレートを含む混合物を押出及び延伸して製造されたフィルム)を、上記製造された接着剤組成物を使用してラミネートした。次いで、上記ポリビニルアルコール系偏光子において保護フィルムが付着されない面に、上記製造された接着剤組成物を使用して上記製造された2層構造の粘着剤層をラミネートし、偏光板を製造した。具体的には、まず、偏光子に上記接着剤組成物を塗布し、その塗布面に上記2層構造の粘着剤層の第1粘着剤層をラミネートした後、下記条件で紫外線を照射して硬化させて、偏光板を製造した。
〈UV照射条件〉
紫外線照射器:高圧水銀ランプ
照射条件:
照度:800mW/cm2
光量:2000mJ/cm2
第1及び第2粘着剤層の構成を下記表2及び表3のように変更したことを除いて、実施例1と同一の方式で偏光板を製造した。但し、比較例1〜4の場合、2層構造の粘着剤を使用することなく、第1粘着剤の単層構造の粘着剤を使用した。
2−ヒドロキシエチルアクリレート44.5重量部、フェノキシエチルアクリレート15重量部、イソボルニルアクリレート9重量部及びエポキシ化合物として、エポキシ樹脂であるセロキシド(Celloxide)2021P 15重量部と分子量が3000のノボラックエポキシ樹脂であるポリ[(フェニルグリシジルエーテル)−co−ホルムアルデヒド]10重量部を配合し、配合物にラジカル開始剤(CGI 819、bis(2、4、6−trimethylbenzoyl)−phenylphosphineoxide)3重量部と陽イオン開始剤としてヨード開始剤(Irgacure 250、Ciba社製)3重量部、光増感剤(イソプロピルチオキサントン、アルドリチ)0.5重量部を混合して製造した接着剤組成物を使用したことを除いて、実施例1と同一に偏光板を製造した。
2−ヒドロキシエチルアクリレート50重量部、フェノキシエチルアクリレート20重量部、イソボルニルアクリレート15重量部、エポキシ化合物として、分子量が3000のノボラックエポキシ樹脂であるポリ[(フェニルグリシジルエーテル)−co−ホルムアルデヒド]5重量部を配合し、ラジカル開始剤(TPO、Darocure TPO)4重量部、陽イオン性重合開始剤としてヨード塩3重量部及び光増感剤(ジエチルチオキサントン、Kayacure DTEX−S、日本化薬株式会社)2重量部を混合して製造された接着剤組成物を使用したことを除いて、上記実施例1と同一に実施して偏光板を製造した。
保護フィルムとして、アクリルフィルムの代わりに厚さが60μmのTACフィルムを使用し、上記TACフィルムを偏光子に付着する接着剤として、保護フィルムの付着に一般的に使用される水系ポリビニルアルコール系接着剤組成物を乾燥後の厚さが0.1μmになるように塗布して使用し、また、上記水系ポリビニルアルコール系接着剤組成物を塗布して保護フィルムをラミネートした後に、80度のオーブンで5分間乾燥した後、上記水系ポリビニルアルコール系接着剤組成物を使用して2層構造の粘着剤層をラミネートしたことを除いて、実施例1と同一の方式で偏光板を製造した。
1.引張弾性率の評価
本明細書において粘着剤の引張弾性率は、ASTM D638で規定された方式に従って引張による応力−変形試験法を用いて測定するか、または直接引張弾性率を測定しにくい場合には、下記方式で貯蔵弾性率を測定し、下記換算式によって換算して求める。具体的には、実施例または比較例で製造されるものとして、PET離型フィルム(厚さ:38μm、MRF−38)、粘着剤層及びPET離型フィルム(厚さ:38μm、MRF−38)の積層構造を有するサンプルを長さ7cm、幅1cmのサイズのdog bone typeの試験片に切断し、試験片の両末端を引張実験用ジグで固定し、上記ASTM D638によって引張弾性率を測定する。このような引張弾性率の測定条件は、下記の通りである。
測定機器:UTM(Universal Testing Machine)
装備Model:Zwick Roell Z010、Instron社製
測定条件:
Load cell:500N
引張速度:3mm/sec
粘着剤層を15cm×25cm×25μm(横×縦×厚さ)のサイズに切断し、切断された粘着剤層を5層に積層させる。次いで、積層された粘着剤層を直径が8mmの円形に切断した後、ガラス(glass)を利用して、圧縮した状態で、一晩放置し、各層間の界面での濡れ性(wetting)を向上させることによって、積層時に生じた気泡を除去し、試料を製造する。次いで、試料をパラレルプレート(parallel plate)上に載置し、ギャップ(gap)を調整した後、Normal & Torqueの零点を合わせて、Normal forceの安定化を確認した後、下記条件で貯蔵弾性率を測定し、下記換算式によって引張弾性率を求める。
測定機器:ARES−RDA、TA Instruments Inc. with forced convection oven
測定条件:
geometry:8mm parallel plate
gap:around 1mm
test type:dynamic strain frequency sweep
strain=10.0[%]、temperature:30℃
initial frequency:0.4rad/s、final frequency:100rad/s
E=3G
偏光板を25mm×100mm(幅×長さ)のサイズに切断し、試験片を製造した。次いで、試験片からPET離型フィルムを剥離し、ラミネータで無アルカリガラスに粘着剤層を介して偏光板試験片を付着させた。次いで、オートクレーブ(50℃、0.5気圧)で約20分間圧着処理し、恒温恒湿条件(23℃、50%相対湿度)で25時間保管した。次いで、TA機器(texture analyser、ステイブルマイクロシステム(英国)社製)を使用して、上記偏光板を無アルカリガラスから300mm/minの剥離速度及び180度の剥離角度で剥離しながら剥離力を測定した。また、再剥離性は、下記基準に基づいて評価した。
〈再剥離性評価基準〉
○:付着1日後、剥離力が800N/25mm以下
△:付着1日後、剥離力が1,000N/25mm以上
×:付着1日後、剥離力が2,000N/25mm以上
実施例及び比較例で製造された偏光板を90mm×170mm(横×縦)のサイズに切断した試験片を各実施例及び比較例別に2枚準備した。次いで、2枚の試験片をガラス基板(110mm×190mm×0.7mm=横×縦×厚さ)の両面に付着し、且つ光学吸収軸が互いにクロスされるように付着し、サンプルを製造した。付着時に加えられた圧力は、約5Kg/cm2であり、気泡または異物が界面に発生しないようにクリーンルームで作業を行った。
サンプルの耐湿熱特性は、サンプルを60℃の温度及び90%の相対湿度の条件下で1,000時間放置した後、粘着界面における気泡または剥離の発生有無を観察した。
また、耐熱特性は、サンプルを80℃の温度条件下で1,000時間放置した後、粘着界面における気泡または剥離の発生有無を観察した。
耐湿熱または耐熱耐久信頼性の測定直前に製造されたサンプルを常温で24時間放置し、評価を進行した。評価条件は、下記の通りである。
〈耐久信頼性評価基準〉
○:気泡及び剥離発生なし
△:気泡及び/または剥離が少し発生
×:気泡及び/または剥離が多量発生
実施例及び比較例で製造された偏光板を90mm×170mm(横×縦)のサイズに切断した試験片をガラス基板(110mm×190mm×0.7mm=横×縦×厚さ)の片面に付着し、サンプルを製造した。付着時に加えられた圧力は、約5Kg/cm2であり、気泡または異物が界面に発生しないようにクリーンルームで作業を行った。次いで、製造されたサンプルを60℃の温度の水に投入し、24時間放置した後、取り出して、気泡または剥離の発生有無を観察し、下記基準に基づいて耐水性を評価した。
〈耐水性評価基準〉
○:気泡及び剥離発生なし
△:気泡及び/または剥離が少し発生
×:気泡及び/または剥離が多量発生
実施例及び比較例で製造した偏光板を22インチLCDモニター(LG Philips LCD社製)に光学吸収軸が互いにクロスされた状態で付着し、恒温恒湿条件(23℃、50%相対湿度)で24時間保管し、80℃の温度で200時間放置した。その後、暗室でバックライトを利用して上記モニターに光を照射しながら、光透過性の均一性を下記の基準に基づいて評価した。
〈光透過均一性評価基準〉
◎:モニターの4周辺部で光透過性の不均一現象が目視で判断されない場合
○:モニターの4周辺部で光透過性の不均一現象が目視で少し観察される場合
△:モニターの4周辺部で光透過性の不均一現象が目視で多少観察される場合
×:モニターの4周辺部で光透過性の不均一現象が目視で多量観察される場合
アクリル重合体の重量平均分子量及び分子量分布は、GPCを使用して、以下の条件で測定した。検量線の製作には、Agilent systemの標準ポリスチレンを使用して、測定結果を換算した。
〈重量平均分子量測定条件〉
測定器:Agilent GPC(Agilent 1200 series、米国)
カラム:PL Mixed B 2個連結
カラム温度:40℃
溶離液:テトラヒドロフラン
流速:1.0mL/min
濃度:〜2mg/mL(100μL injection)
カール特性は、偏光板の製造過程で130mm×180mm(横(TD(transverse direction)方向)×縦(MD方向))のサイズに切断した保護フィルムと偏光子とを、接着剤組成物を使用してラミネーションし、紫外線の照射過程または水系ポリビニルアルコール系接着剤が使用された場合には乾燥過程で、TD方向に発生するカールを測定し、下記基準に基づいて評価する。上記で、カールの測定は、図4に示されたような方式で行う。
〈評価基準〉
○:TD方向へのカールが0.5cm未満の場合
△:TD方向へのカールが0.5cm〜2.0cmの場合
×:TD方向へのカールが2.0cmを超過する場合
11 偏光子
12 接着剤層
13 粘着剤層
2、3 粘着剤層
21 第1表面
22 第2表面
31 第1粘着剤層
32 第2粘着剤層
Claims (21)
- 順次配置された偏光子と;活性エネルギー線硬化型接着剤層と;粘着剤層と;を含み、
上記粘着剤層は、第1表面を形成する第1粘着剤層と;第2表面を形成する第2粘着剤層と;を含み、
上記第1表面及び第2表面は、互いに異なる引張弾性率を有する粘着剤層を含む偏光板。 - 偏光子は、少なくとも一面に上記接着剤層が直接付着されており、上記粘着剤層の第1表面は、上記接着剤層に直接付着されている、請求項1に記載の偏光板。
- 第1表面が、第2表面に比べて高い引張弾性率を示す、請求項2に記載の偏光板。
- 偏光子は、ポリビニルアルコール系偏光子である、請求項1に記載の偏光板。
- 第1表面は、25℃での引張弾性率が1MPa〜1,000MPaである、請求項1に記載の偏光板。
- 第2表面は、25℃での引張弾性率が0.01MPa〜1.0MPaである、請求項1に記載の偏光板。
- 第1粘着剤層は、多官能性架橋剤によって架橋されたアクリル重合体の架橋構造及び重合された多官能性アクリレートの架橋構造を含む、請求項1に記載の偏光板。
- 接着剤層は、エポキシ化合物及び/またはアクリル系単量体を含む接着剤組成物を硬化した状態で含む、請求項1に記載の偏光板。
- エポキシ化合物は、脂環式エポキシ化合物及び/またはグリシジルエーテルタイプエポキシ化合物を含む、請求項8に記載の偏光板。
- エポキシ化合物は、重量平均分子量が1000〜5000である、請求項8に記載の偏光板。
- アクリル系単量体は、親水性アクリル系単量体または疎水性アクリル系単量体を含む、請求項8に記載の偏光板。
- 親水性アクリル系単量体は、ヒドロキシ基、カルボキシル基またはアルコキシ基を有する、請求項11に記載の偏光板。
- 接着剤組成物は、反応性オリゴマー1〜40重量部をさらに含む、請求項8に記載の偏光板。
- 接着剤組成物は、無溶剤タイプである、請求項8に記載の偏光板。
- 接着剤組成物は、25℃での粘度が5cps〜1,000cpsである、請求項8に記載の偏光板。
- 偏光子の粘着剤層が付着された面の反対面に付着された保護フィルムをさらに含む、請求項1に記載の偏光板。
- 保護フィルムは、セルロースフィルム;ポリエステルフィルム;ポリカーボネートフィルム;ポリエーテルスルホンフィルム;アクリルフィルム;またはポリオレフィンフィルムである、請求項16に記載の偏光板。
- 反射防止層、防眩層、位相差板、広視野角補償フィルム及び輝度向上層よりなる群から選択された1つ以上の層をさらに含む、請求項1に記載の偏光板。
- 液晶パネルと;上記液晶パネルの一面または両面に付着されている請求項1に記載の偏光板と;を含む液晶表示装置。
- 上記液晶パネルが第2粘着剤層に付着されている、請求項19に記載の液晶表示装置。
- 液晶パネルがパッシブマトリクス方式のパネル;アクティブマトリクス方式のパネル;横電界型パネルまたは垂直配向型パネルである、請求項19に記載の液晶表示装置。
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PCT/KR2012/006578 WO2013027979A2 (ko) | 2011-08-19 | 2012-08-17 | 편광판 |
KR10-2012-0089887 | 2012-08-17 | ||
KR1020120089887A KR101717314B1 (ko) | 2011-08-19 | 2012-08-17 | 편광판 |
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JP2016535319A (ja) * | 2013-09-30 | 2016-11-10 | エルジー・ケム・リミテッド | 偏光板 |
JP2017500593A (ja) * | 2013-09-30 | 2017-01-05 | エルジー・ケム・リミテッド | 偏光板 |
KR101745989B1 (ko) * | 2014-12-11 | 2017-06-27 | 동우 화인켐 주식회사 | 편광판 |
JP2019004903A (ja) * | 2011-08-29 | 2019-01-17 | アンスティトゥー ナショナル ドゥ ラ サンテ エ ドゥ ラ レシェルシュ メディカル(イエヌエスエエールエム) | 人工沿軸中胚葉前駆(iPAM)細胞を調製する方法及びその使用 |
JP2021528674A (ja) * | 2019-01-25 | 2021-10-21 | エルジー・ケム・リミテッド | 偏光板の製造方法および偏光板用接着剤組成物 |
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JP2016535320A (ja) * | 2013-09-30 | 2016-11-10 | エルジー・ケム・リミテッド | 偏光板およびこれを含む画像表示装置 |
JP2016535319A (ja) * | 2013-09-30 | 2016-11-10 | エルジー・ケム・リミテッド | 偏光板 |
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KR101717314B1 (ko) | 2017-03-16 |
JP6090868B2 (ja) | 2017-03-08 |
KR20130020617A (ko) | 2013-02-27 |
US20140240647A1 (en) | 2014-08-28 |
TW201326342A (zh) | 2013-07-01 |
CN103733096B (zh) | 2017-06-23 |
US9256005B2 (en) | 2016-02-09 |
US20140168580A1 (en) | 2014-06-19 |
CN103733096A (zh) | 2014-04-16 |
TWI472592B (zh) | 2015-02-11 |
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