JP2021519852A - 伸縮性粘着フィルムおよびこれを含むディスプレイ装置 - Google Patents
伸縮性粘着フィルムおよびこれを含むディスプレイ装置 Download PDFInfo
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- JP2021519852A JP2021519852A JP2020558616A JP2020558616A JP2021519852A JP 2021519852 A JP2021519852 A JP 2021519852A JP 2020558616 A JP2020558616 A JP 2020558616A JP 2020558616 A JP2020558616 A JP 2020558616A JP 2021519852 A JP2021519852 A JP 2021519852A
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- Prior art keywords
- adhesive film
- stretchable
- pressure
- silicone
- layer
- 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.)
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 80
- 239000010410 layer Substances 0.000 claims abstract description 79
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 53
- 229920001971 elastomer Polymers 0.000 claims abstract description 14
- 239000000806 elastomer Substances 0.000 claims abstract description 10
- 239000010408 film Substances 0.000 claims description 53
- -1 vinyl methyl Chemical group 0.000 claims description 42
- 229920001296 polysiloxane Polymers 0.000 claims description 34
- 239000012790 adhesive layer Substances 0.000 claims description 32
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000005062 Polybutadiene Substances 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 229920002857 polybutadiene Polymers 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- 238000000016 photochemical curing Methods 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000002174 Styrene-butadiene Substances 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 229920005560 fluorosilicone rubber Polymers 0.000 claims description 2
- 238000000427 thin-film deposition Methods 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 51
- 229920000642 polymer Polymers 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 15
- 239000000178 monomer Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 8
- 229910052731 fluorine Inorganic materials 0.000 description 8
- 239000011737 fluorine Substances 0.000 description 8
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 7
- 239000011259 mixed solution Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 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
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000001723 curing Methods 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 150000001247 metal acetylides Chemical class 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Natural products CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 239000004944 Liquid Silicone Rubber Substances 0.000 description 2
- 239000004695 Polyether sulfone Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 239000002253 acid Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical group C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- UOMUPDCRXJLVGR-UHFFFAOYSA-N propane-1,2,2-triol Chemical compound CC(O)(O)CO UOMUPDCRXJLVGR-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- SUDVPELGFZKOMD-UHFFFAOYSA-N 1,2-di(propan-2-yl)thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=C(C(C)C)C(C(C)C)=CC=C3SC2=C1 SUDVPELGFZKOMD-UHFFFAOYSA-N 0.000 description 1
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 description 1
- SRQOBNUBCLPPPH-UHFFFAOYSA-N 1-ethyl-4-phenylbenzene Chemical group C1=CC(CC)=CC=C1C1=CC=CC=C1 SRQOBNUBCLPPPH-UHFFFAOYSA-N 0.000 description 1
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
- YIKSHDNOAYSSPX-UHFFFAOYSA-N 1-propan-2-ylthioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C=CC=C2C(C)C YIKSHDNOAYSSPX-UHFFFAOYSA-N 0.000 description 1
- NCYCYZXNIZJOKI-HWCYFHEPSA-N 13-cis-retinal Chemical class O=C/C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C NCYCYZXNIZJOKI-HWCYFHEPSA-N 0.000 description 1
- 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 1
- 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 1
- GBOJZXLCJZDBKO-UHFFFAOYSA-N 2-(2-chlorophenyl)-2-[2-(2-chlorophenyl)-4,5-diphenylimidazol-2-yl]-4,5-diphenylimidazole Chemical compound ClC1=CC=CC=C1C1(C2(N=C(C(=N2)C=2C=CC=CC=2)C=2C=CC=CC=2)C=2C(=CC=CC=2)Cl)N=C(C=2C=CC=CC=2)C(C=2C=CC=CC=2)=N1 GBOJZXLCJZDBKO-UHFFFAOYSA-N 0.000 description 1
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- WQKFMWYHZGTEFC-UHFFFAOYSA-N 2-[3-(2,3-dichlorophenyl)-4,5-diphenyl-4H-imidazol-2-ylidene]-4,5-diphenylimidazole Chemical compound ClC1=C(C=CC=C1Cl)N1C(N=C(C1C1=CC=CC=C1)C1=CC=CC=C1)=C1N=C(C(=N1)C1=CC=CC=C1)C1=CC=CC=C1 WQKFMWYHZGTEFC-UHFFFAOYSA-N 0.000 description 1
- XFQDAAPROSJLSX-UHFFFAOYSA-N 2-[4-(9h-fluoren-1-yl)phenoxy]ethyl prop-2-enoate Chemical compound C1=CC(OCCOC(=O)C=C)=CC=C1C1=CC=CC2=C1CC1=CC=CC=C21 XFQDAAPROSJLSX-UHFFFAOYSA-N 0.000 description 1
- UHFFVFAKEGKNAQ-UHFFFAOYSA-N 2-benzyl-2-(dimethylamino)-1-(4-morpholin-4-ylphenyl)butan-1-one Chemical compound C=1C=C(N2CCOCC2)C=CC=1C(=O)C(CC)(N(C)C)CC1=CC=CC=C1 UHFFVFAKEGKNAQ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- QPXVRLXJHPTCPW-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-(4-propan-2-ylphenyl)propan-1-one Chemical compound CC(C)C1=CC=C(C(=O)C(C)(C)O)C=C1 QPXVRLXJHPTCPW-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
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- 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 1
- ZPQAUEDTKNBRNG-UHFFFAOYSA-N 2-methylprop-2-enoylsilicon Chemical compound CC(=C)C([Si])=O ZPQAUEDTKNBRNG-UHFFFAOYSA-N 0.000 description 1
- JYSWMLAADBQAQX-UHFFFAOYSA-N 2-prop-2-enoyloxyacetic acid Chemical compound OC(=O)COC(=O)C=C JYSWMLAADBQAQX-UHFFFAOYSA-N 0.000 description 1
- YAHLUTXNMRWKSM-UHFFFAOYSA-N 2-prop-2-enoyloxybutanoic acid Chemical compound CCC(C(O)=O)OC(=O)C=C YAHLUTXNMRWKSM-UHFFFAOYSA-N 0.000 description 1
- WBMHNOGBPBPWTN-UHFFFAOYSA-N 3-[4-[4,6-bis(trichloromethyl)-1,3,5-triazin-2-yl]phenyl]sulfanylpropanoic acid Chemical compound C1=CC(SCCC(=O)O)=CC=C1C1=NC(C(Cl)(Cl)Cl)=NC(C(Cl)(Cl)Cl)=N1 WBMHNOGBPBPWTN-UHFFFAOYSA-N 0.000 description 1
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- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 description 1
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- AIQKKGXMJQGJTC-UHFFFAOYSA-N ClC(Cl)(Cl)C1=C(C=CC=C1)C1=CC=C(C=C1)C Chemical group ClC(Cl)(Cl)C1=C(C=CC=C1)C1=CC=C(C=C1)C AIQKKGXMJQGJTC-UHFFFAOYSA-N 0.000 description 1
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- OWYWGLHRNBIFJP-UHFFFAOYSA-N Ipazine Chemical compound CCN(CC)C1=NC(Cl)=NC(NC(C)C)=N1 OWYWGLHRNBIFJP-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
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- 239000004642 Polyimide Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
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Images
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Abstract
Description
本出願は、伸縮性粘着フィルムおよびこれを含むディスプレイ装置に関する。
[式1]
0.95≦a2/a1≦1
上記式1中、
a1は、25±2℃、50±5%RH(相対湿度)下、前記伸縮性粘着フィルムのX1での応力(Stress)値であり、
a2は、25±2℃、50±5%RH(相対湿度)下、前記伸縮性粘着フィルムを20%歪み(strain)で10,000回伸長/回復評価した後のX1での応力値であり、
前記X1は、前記伸縮性粘着フィルムに加える歪み値(%)で、
前記歪みは、伸長歪み(elongational strain)を意味し、
X1は、20である。
0.95≦a2/a1≦1
上記式1中、
a1は、25±2℃、50±5%RH(相対湿度)下、前記伸縮性粘着フィルムのX1での応力値であり、
a2は、25±2℃、50±5%RH(相対湿度)下、前記伸縮性粘着フィルムを20%歪みで10,000回伸長/回復評価した後のX1での応力値であり、
前記X1は、前記伸縮性粘着フィルムに加える歪み値(%)で、
前記歪みは、伸長歪み(elongational strain)を意味し、
X1は、20である。
[式2]
(L−L0)/L0×100
前記基材層の厚さとは、基材層および第1粘着層が積層された方向への厚さを意味する。
本出願の一実施態様において、前記第1粘着層および前記第2粘着層は、同一であってもよい。
本出願の一実施態様において、前記第1粘着層および前記第2粘着層は、異なっていてもよい。
以下、第1粘着層に関する説明を記載し、第2粘着層は、下記の第1粘着層の内容と同一である。
また、前記熱硬化剤は、当業界で知られたものを用いることができる。
本出願の一実施態様において、前記蒸着層は、有機蒸着層または無機蒸着層であってもよい。
本願の実施例および比較例に使用された伸縮性粘着フィルムの基材層および第1粘着層の成分、重量比および厚さを下記表1に記載した。
基材層として、前記表1の実施例1に記載の成分および重量比率で混合して撹拌および脱泡を進行させた。以後、混合液をTACS社のTS502(フッ素系離型フィルム)のフッ素離型面にコーティングした後、150℃のオーブンで5分間乾燥させて、最終厚さが前記表1の実施例1に記載の厚さとなるように作製した。
前記実施例1の伸縮性粘着フィルムの製造において、基材層として、前記表1の実施例2〜6に記載の成分、重量比率および最終厚さを用い、第1粘着層として、前記表1の実施例2〜6に記載の成分、重量比率および最終厚さを用いたことを除き、前記実施例1の伸縮性粘着フィルムの製造と同様に進行させて、伸縮性粘着フィルムを作製した。
基材層として、前記表1の実施例7〜9に記載の成分および重量比率で混合して撹拌および脱泡を進行させた。以後、混合液をTACS社のTS502(フッ素系離型フィルム)のフッ素離型面にコーティングした後、150℃のオーブンで5分間乾燥させて、最終厚さが前記表1の実施例7〜9に記載の厚さとなるように作製した。
前記実施例1の伸縮性粘着フィルムの製造において、基材層として、前記表1の比較例1および2に記載の成分、重量比率および最終厚さを用い、第1粘着層として、前記表1の比較例1および2に記載の成分、重量比率および最終厚さを用いたことを除き、前記実施例1の伸縮性粘着フィルムの製造と同様に進行させて、伸縮性粘着フィルムを作製した。
基材層として、前記表1の比較例3に記載のXiameter 9050 30P製品のPart AとPart Bとを10:1の重量比率で混合して撹拌および脱泡を進行させた。以後、混合液をPETフィルムにコーティングした後、150℃のオーブンで5分間乾燥させて、最終厚さが前記表1の比較例3に記載の厚さとなるように2層の構造で作製した。
前記a1およびa2の測定装置としては、Texture analyzerを用いた。
102:基材層
103:伸縮性粘着フィルム
104:第2粘着層
Claims (12)
- エラストマーを含む基材層と、
前記基材層の一面に備えられた第1粘着層と
を含む伸縮性粘着フィルムであって、
前記伸縮性粘着フィルムは、下記式1を満たす伸縮性粘着フィルム:
[式1]
0.95≦a2/a1≦1
上記式1中、
a1は、25±2℃、50±5%RH(相対湿度)下、前記伸縮性粘着フィルムのX1での応力(Stress)値であり、
a2は、25±2℃、50±5%RH(相対湿度)下、前記伸縮性粘着フィルムを20%歪み(strain)で10,000回伸長/回復評価した後のX1での応力値であり、
前記X1は、前記伸縮性粘着フィルムに加える歪み値(%)で、
前記歪みは、伸長歪み(elongational strain)を意味し、
X1は、20である。 - 前記基材層の前記第1粘着層が接する面の反対面に第2粘着層を含むものである、請求項1に記載の伸縮性粘着フィルム。
- 前記基材層の厚さは、60μm以上150μm以下である、請求項1または2に記載の伸縮性粘着フィルム。
- 前記第1粘着層の厚さは、10μm以上100μm以下である、請求項1から3の何れか1項に記載の伸縮性粘着フィルム。
- 前記伸縮性粘着フィルムの厚さは、70μm以上250μm以下である、請求項1から4の何れか1項に記載の伸縮性粘着フィルム。
- 前記エラストマーは、シリコーンゴム、スチレンブタジエンゴム(SBR、Styrene butadiene rubber)、ブタジエンゴム(BR、Butadiene rubber)、ニトリルゴム(Nitrile rubber)、およびエチレンプロピレンジエンモノマーゴム(EPDM、Ethylene propylene diene monomer rubber)からなる群より選択される1以上を含むものである、請求項1から5の何れか1項に記載の伸縮性粘着フィルム。
- 前記シリコーンゴムは、メチルシリコーン(MQ、Methyl silicone)、ビニルメチルシリコーン(VMQ、Vinyl−methyl−silicone)、フェニルビニルメチルシリコーン(PVMQ、Phenyl−vinyl−methyl−silicone)、およびフルオロビニルメチルシリコーン(FVMQ、Fluoro−vinyl−methyl−silicone)からなる群より選択される1以上を含むものである、請求項6に記載の伸縮性粘着フィルム。
- 前記第1粘着層は、アクリル系粘着剤、シリコーン系粘着剤、ウレタン系粘着剤、およびゴム系粘着剤からなる群より選択される1以上の粘着剤を含むものである、請求項1から7の何れか1項に記載の伸縮性粘着フィルム。
- 前記第1粘着層は、架橋性化合物、分散剤、シランカップリング剤、光硬化剤、熱硬化剤、金属塩、および粘着付与剤からなる群より選択された1つ以上を追加的に含むものである、請求項1から8の何れか1項に記載の伸縮性粘着フィルム。
- 前記基材層の前記第1粘着層が接する面の反対面および前記第1粘着層の前記基材層が接する反対面の少なくとも一面に離型フィルムをさらに含むものである、請求項1から9の何れか1項に記載の伸縮性粘着フィルム。
- 請求項1〜10のいずれか1項に記載の伸縮性粘着フィルムと、
前記伸縮性粘着フィルムの一面に備えられた蒸着層と、
前記蒸着層の前記伸縮性粘着フィルムと接する面の反対面に備えられた基材フィルムと
を含むディスプレイ装置であって、
前記伸縮性粘着フィルムの第1粘着層と前記蒸着層とが互いに接するディスプレイ装置。 - 請求項1〜10のいずれか1項に記載の伸縮性粘着フィルムを含むウェアラブル(wearable)ディスプレイ装置。
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EP3805331B1 (en) | 2022-09-28 |
EP3805331A1 (en) | 2021-04-14 |
EP3805331A4 (en) | 2021-09-29 |
US20210189185A1 (en) | 2021-06-24 |
WO2019235843A1 (ko) | 2019-12-12 |
CN112135886A (zh) | 2020-12-25 |
KR102235987B1 (ko) | 2021-04-02 |
JP7184239B2 (ja) | 2022-12-06 |
CN112135886B (zh) | 2022-04-15 |
KR20190138425A (ko) | 2019-12-13 |
US11505721B2 (en) | 2022-11-22 |
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