CN108603964A - Optical laminate - Google Patents
Optical laminate Download PDFInfo
- Publication number
- CN108603964A CN108603964A CN201780008635.8A CN201780008635A CN108603964A CN 108603964 A CN108603964 A CN 108603964A CN 201780008635 A CN201780008635 A CN 201780008635A CN 108603964 A CN108603964 A CN 108603964A
- Authority
- CN
- China
- Prior art keywords
- coating
- oxide skin
- optical laminate
- base material
- polarisation part
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 82
- 239000011248 coating agent Substances 0.000 claims abstract description 96
- 238000000576 coating method Methods 0.000 claims abstract description 96
- 239000000463 material Substances 0.000 claims abstract description 71
- 230000004888 barrier function Effects 0.000 claims abstract description 38
- 230000003746 surface roughness Effects 0.000 claims abstract description 20
- 230000035699 permeability Effects 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 13
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 13
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 13
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 13
- 239000011241 protective layer Substances 0.000 claims description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 238000009738 saturating Methods 0.000 claims description 2
- 230000006735 deficit Effects 0.000 claims 1
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 8
- 239000002585 base Substances 0.000 description 60
- 239000010408 film Substances 0.000 description 52
- 229920005989 resin Polymers 0.000 description 41
- 239000011347 resin Substances 0.000 description 41
- 239000010410 layer Substances 0.000 description 34
- 229920002451 polyvinyl alcohol Polymers 0.000 description 24
- 239000004372 Polyvinyl alcohol Substances 0.000 description 22
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 18
- 238000011282 treatment Methods 0.000 description 16
- 239000007789 gas Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 239000011787 zinc oxide Substances 0.000 description 9
- 238000004132 cross linking Methods 0.000 description 8
- 238000004043 dyeing Methods 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 6
- 229910052740 iodine Inorganic materials 0.000 description 6
- 239000011630 iodine Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 5
- 239000004327 boric acid Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000001755 magnetron sputter deposition Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- JLKDVMWYMMLWTI-UHFFFAOYSA-M potassium iodate Chemical compound [K+].[O-]I(=O)=O JLKDVMWYMMLWTI-UHFFFAOYSA-M 0.000 description 3
- 238000007788 roughening Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 206010042674 Swelling Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000003667 anti-reflective effect Effects 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000005477 sputtering target Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 241000692870 Inachis io Species 0.000 description 1
- DKNPRRRKHAEUMW-UHFFFAOYSA-N Iodine aqueous Chemical compound [K+].I[I-]I DKNPRRRKHAEUMW-UHFFFAOYSA-N 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910007541 Zn O Inorganic materials 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002168 ethanoic acid esters Chemical class 0.000 description 1
- MHCLJIVVJQQNKQ-UHFFFAOYSA-N ethyl carbamate;2-methylprop-2-enoic acid Chemical compound CCOC(N)=O.CC(=C)C(O)=O MHCLJIVVJQQNKQ-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 230000000803 paradoxical effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- KNCYXPMJDCCGSJ-UHFFFAOYSA-N piperidine-2,6-dione Chemical group O=C1CCCC(=O)N1 KNCYXPMJDCCGSJ-UHFFFAOYSA-N 0.000 description 1
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001552 radio frequency sputter deposition Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B23/08—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/20—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/10—Glass or silica
-
- 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
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
-
- 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
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
- H05B33/04—Sealing arrangements, e.g. against humidity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/42—Polarizing, birefringent, filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/538—Roughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
Abstract
The present invention provides the optical laminate for the generation that crackle is functioned and inhibited as barrier film and polarizer.The optical laminate of the present invention has successively：Polarisation part；Base material；Including ZnO, Al and SiO2The 1st oxide skin(coating)；With by SiO2The surface roughness Ra of the 2nd oxide skin(coating) constituted, the surface of the 1st oxide skin(coating) side of base material is 0.30nm~50nm.In one embodiment, the moisture permeability of optical laminate is 3.0 × 10‑2g/m2/ r or less for 24 hours.
Description
Technical field
The present invention relates to a kind of optical laminates.More specifically, the present invention relates to can be used as barrier film and polarisation
The optical laminate that plate functions.
Background technology
In the past, it was used in image display device (such as liquid crystal display device, organic electroluminescent (EL) display device)
Barrier film.It is fast as film speed, refractive index is low, with good gas barrier property in the exploitation of such barrier film
Barrier film, proposition are added to SiO in Al-Zn-O (zinc oxide for being added to aluminium) film2Transparent oxide film (film) (specially
Sharp document 1).But the chemical resistance of the transparent oxide film (such as acid resistance, alkali resistance) is extremely insufficient.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2013-189657 bulletins
Invention content
Problems to be solved by the invention
The present invention is the invention completed to solve above-mentioned previous project, and its purpose is to provide as barrier film
And polarizer functions and inhibits the optical laminate of the generation of crackle.
The solution to the problem
The optical laminate of the present invention has successively：Polarisation part；Base material；Including ZnO, Al and SiO2The 1st oxide skin(coating)；
With by SiO2The surface roughness Ra of the 2nd oxide skin(coating) constituted, the surface of the 1st oxide skin(coating) side of the base material is 0.30nm
~50nm.
In one embodiment, above-mentioned optical laminate also has protective layer in at least side of above-mentioned polarisation part.
In one embodiment, the thickness of above-mentioned 1st oxide skin(coating) is 10nm~100nm.
In one embodiment, the thickness of above-mentioned 2nd oxide skin(coating) is 10nm~100nm.
In one embodiment, the moisture permeability of above-mentioned optical laminate is 3.0 × 10-2g/m2/ r or less for 24 hours.
In one embodiment, the gas barrier property of above-mentioned optical laminate is 1.0 × 10-7g/m2/ r~0.5g/m for 24 hours2/
24hr。
In one embodiment, the moisture permeability deficiency of above-mentioned optical laminate being added dropwise after hydrochloric acid or sodium hydroxide solution
1.0×10-1g/m2/24hr。
Invention effect
According to the embodiment of the present invention, by using including ZnO, Al and SiO2The 1st oxide skin(coating) with by SiO2It constitutes
The 2nd oxide skin(coating) stepped construction as barrier layer, and layered polarization part in turn, so as to realize with excellent moisture-inhibiting
Property and gas barrier property and with excellent chemical resistance, bendability and heat resistance optical laminate.I.e., it is possible to realize both
It can be used as the optical laminate that barrier film plays excellent function but also as polarizer.In turn, in embodiments of the present invention
In, by the way that the surface roughness Ra on the surface of the 1st oxide skin(coating) side of base material is set as specified value or more, to can both maintain such as
The upper excellent specific property as barrier film and polarizer, and can significantly inhibit the 1st oxide skin(coating) and/or the 2nd oxidation
The generation of crackle in nitride layer.
Description of the drawings
Fig. 1 is the schematic sectional view of the optical laminate of an embodiment of the invention.
Specific implementation mode
Hereinafter, being illustrated to the representative embodiment of the present invention, still, the present invention is not by these embodiments
Restriction.
A. the overall structure of optical laminate
Fig. 1 is the schematic sectional view of the optical laminate of an embodiment of the invention.The optical layer of present embodiment
Stack 100 has polarisation part 41, base material 10, the 1st oxide skin(coating) 20 and the 2nd oxide skin(coating) 30 successively.By having such structure
At so that the optical laminate of embodiments of the present invention can be as both the barrier film of image display device and polarizer
It functions.Protective layer 42 and/or 43 is equipped with (in illustrated example, in polarisation in at least side of polarisation part in practical application
The both sides of part 41 are equipped with protective layer 42 and 43).At this point, representative be, polarisation part 41 can be laminated in the form of polarizer 40
It is introduced into optical laminate in base material 10.1st oxide skin(coating) 20 includes ZnO, Al and SiO2.2nd oxide skin(coating) 30 is by SiO2
It constitutes.The thickness of 1st oxide skin(coating) 20 is preferably 10nm~100nm.The thickness of 2nd oxide skin(coating) 30 be preferably 10nm~
100nm。
In embodiments of the present invention, the surface roughness Ra on the surface of 20 side of the 1st oxide skin(coating) of base material 10 is
0.30nm~50nm.By making the surface that there is such surface roughness, to obtain effect below：In optical laminate
In, the change in size (representative is to shrink) of polarisation part is noticeably greater than other inscapes, therefore by the contraction of polarisation part institute
The stress of cause, strain propagate to base material, the 1st oxide skin(coating) and the 2nd oxide skin(coating), the result is that sometimes the 1st oxide skin(coating) and/
Or cracked on the 2nd thickness direction in oxide skin(coating), and in this application, by as noted above by the 1st oxygen of base material
The surface roughness on the surface of compound layer side is set as specified value or more, can to which the adaptation of base material and the 1st oxide skin(coating) improves
So that the change in size of the 1st oxide skin(coating) (as a result, the 2nd oxide skin(coating)) followed base material.As a result,：Can significantly it press down
The generation for making the mainly crackle caused by the contraction of polarisation part, can maintain by the stacking of the 1st oxide skin(coating) and the 2nd oxide skin(coating)
The excellent barrier property that structure is brought.Therefore, it is possible to realize polarisation part and barrier film (base material, the 1st oxide skin(coating) and the 2nd oxygen
The laminated body of compound layer) integration, this has notable contribution to the slimming of image display device and the simplification of manufacturing process.This
It is to be recognized and repetition test opinion obtained from for the first time to solve the problems, such as polarisation part and barrier film is integrated,
It is unexpected excellent effect.
Optical laminate has the barrier property to moisture and gas (such as oxygen).Optical laminate is in 40 DEG C, 90%RH
Under the conditions of moisture-vapor transmission (moisture permeability) preferably less than 1.0 × 10-1g/m2/24hr.From the viewpoint of barrier property, moisture-inhibiting
The lower limit of degree is lower, the more preferred.The determination limit of moisture permeability is such as 0.1 × 10-6g/m2/ r or so for 24 hours.In an embodiment party
In formula, from the viewpoint of releasing the emergent gas generated by device construct time dependent, the lower limit of moisture permeability is such as 0.1
×10-4g/m2/24hr.The preferred upper limit of moisture permeability can change according to purposes.For the upper limit of moisture permeability, example
It is 5.0 × 10 on the way to be used such as image display device (such as PC displays) indoors-2g/m2/ r, the image in outdoor are aobvious for 24 hours
It is 3.0 × 10 on the way that showing device (numerical digit billboard), which is used,-2g/m2/ r for 24 hours, in the indoor harsh environment such as Vehicular display device with being on the way
1.0×10-2g/m2/24hr.Gas barrier property of optical laminate under the conditions of 60 DEG C, 90%RH is preferably 1.0 × 10-7g/m2/
R~0.5g/m for 24 hours2/ r, more preferably 1.0 × 10 for 24 hours-7g/m2/ r~0.1g/m for 24 hours2/24hr.If moisture permeability and gas barrier property are
Such range can protect the image aobvious well then in the case where optical laminate is fitted in image display device
Influence of the showing device from moisture and oxygen in air.It is explained, moisture permeability and gas barrier property can be according to JISK7126-
1 measures.
Optical laminate preferably has chemical resistance.More specifically, optical laminate preferably have acid resistance and
Alkali resistance.In the present specification, " acid resistance " refers to：Optical laminate is added dropwise 2% hydrochloric acid solution (pH0.3), at 10 points
The moisture permeability after hydrochloric acid solution is wiped after clock less than 1.0 × 10-1g/m2/24hr.In addition, " alkali resistance " refers to：Optics is laminated
2% sodium hydroxide solution (pH13.7) is added dropwise in body, wipe after 10 minutes the moisture permeability after sodium hydroxide solution less than 1.0 ×
10-1g/m2/24hr.One of the achievement of the present invention is：Not only desired barrier property as described above and the transparency had been maintained, but also
Realize such excellent chemical drug.
Optical laminate has not to be produced being bent at preferred curvature radius 7mm, more preferable radius of curvature 5mm
The bendability of raw rupture and crackle.By using the stepped construction of above-mentioned defined 1st oxide skin(coating) and the 2nd oxide skin(coating), from
And excellent chemical resistance and excellent bendability and heat resistance (aftermentioned) can be taken into account.
Even if optical laminate have heated at 95 DEG C preferably 500 hours, it is 600 hours more preferable, further preferred 700
Hour, moisture permeability was also less than 1.0 × 10-1g/m2The heat resistance of/r for 24 hours.By using above-mentioned defined 1st oxide skin(coating) and the 2nd
The stepped construction of oxide skin(coating), so as to take into account excellent chemical resistance and excellent bendability and heat resistance.
In one embodiment, optical laminate of the invention is strip.The optical laminate of strip for example may be used
It preserves and/or conveys with wound into rolls.The bendability of optical laminate is excellent, therefore even if wound into rolls, will not
Generate unfavorable condition.At this point, it is substantial parallel with strip direction that the absorption axis direction of polarisation part is representative.If such
It constitutes, then roll-to-roll can make optical laminate using so-called.
It can also be as needed between polarizer 40 and base material 10, and/or the side opposite with base material of polarizer 40
Phase separation layer (not shown) is set.Optical characteristics (such as phase difference, the thickness direction in index ellipsoid body, face of phase separation layer
Phase difference, Nz coefficients, wavelength dispersion characteristics, photoelastic coefficient), mechanical property, the quantity configured, combination etc. can be according to mesh
Progress suitably set.Such as it can be relied in the wavelength of the side configuration display inverse dispersion opposite with base material of polarizer 40
Property and can be as the phase separation layer that the plates of so-called λ/4 function.At this point, the absorption axiss of the slow axis of phase separation layer and polarisation part
Representative angulation is about 45 °.If such composition, then good circularly polarized light work(can be assigned to optical laminate
Can, therefore optical laminate is also used as the antireflective film of image display device and functions well.
Hereinafter, the inscape to optical laminate illustrates.
B. polarizer
As noted above, it is that can be laminated in base material 10 in the form of polarizer 40 and be introduced to that polarisation part 41 is representative
In optical laminate.Polarizer 40 (protective layer 42 is substantially not present, in the case of protective layer 43 be polarisation part 41) by
Arbitrary adhesive phase (such as acrylic adhesive layer) appropriate or adhesive layer (such as PVA systems resin bonding oxidant layer) and
Fit in base material 10.
B-1. polarisation part
As polarisation part 41, arbitrary polarisation part appropriate may be used.For example, the resin film for forming polarisation part can be with
For the resin film of single layer, or two layers or more of laminated body.
As the concrete example for the polarisation part being made of the resin film of single layer, can enumerate：It is thin to polyvinyl alcohol (PVA)
Film, part acetalation PVA systems film, vinyl-vinyl acetate copolymer pastern divide the hydrophilic macromolecules film such as saponified film
Implement the polarisation part of the dyeing processing and stretch processing that are carried out using dichroic substances such as iodine or dichroic dyes；PVA's is de-
The polyenes such as dehydrochlorinated products of water process object or polyvinyl chloride system oriented film etc..From make optical characteristics it is excellent in terms of go out
Hair is, it is preferable to use with iodine by PVA systems dyeing films and polarisation part obtained by being uniaxially stretched.
The above-mentioned dyeing using iodine is for example by carrying out PVA systems are thin film dipped in iodine aqueous solution.It is above-mentioned to be uniaxially stretched
Stretching ratio be preferably 3~7 times.Stretching can carry out after dyeing processing, can also the progress of Edge Coloring side.In addition, may be used also
To be dyed after the stretch.Swelling treatment, crosslinking Treatment, cleaning treatment, drying process are implemented to PVA systems film as needed
Deng.Such as by being washed in water by PVA systems are thin film dipped before dyeing, it can not only clean PVA systems film surface
Dirt or anti-blocking agent, PVA systems films swell can also be made and prevent from dyeing unequal.
As the concrete example for using polarisation part obtained from laminated body, can enumerate：Resin base material and it is laminated in the resin base
The laminated body of the PVA resins (PVA based resin films) of material；Or it is formed in the resin base material using resin base material and coating
PVA resins laminated body obtained from polarisation part.The PVA systems of the resin base material are formed in coating using resin base material
Polarisation part obtained from the laminated body of resin layer can for example make as got off：PVA systems resin solution is coated on resin base material,
It makes it dry and forms PVA resins on resin base material, obtain the laminated body of resin base material and PVA resins；It should
Laminated body stretches and dyes and polarisation part is made in PVA resins.In the present embodiment, it is comprising making to stretch representative
The step of laminated body is impregnated in boric acid aqueous solution and is stretched.In turn, stretching can be further contained in boron as needed
Before being stretched in aqueous acid by laminated body the step of high temperature (such as 95 DEG C or more) is stretched in the air.The resin base of gained
The laminated body of material/polarisation part can directly use (can be using resin base material as the protective layer of polarisation part), can also be from tree
Aliphatic radical material/polarisation part laminated body stripping resin base material and in the release surface stacking used according to purpose it is any suitable
Protective layer uses.The details of the manufacturing method of such polarisation part is for example recorded in Japanese Unexamined Patent Publication 2012-73580 public affairs
In report.By it, all record is incorporated herein by reference the bulletin.
The thickness of polarisation part is preferably 15 μm hereinafter, more preferably 1 μm~12 μm, further preferably 3 μm~10 μm, special
It You Xuanwei not be 3 μm~8 μm.If the thickness of polarisation part be such range, can inhibit well heating when curling also,
It can obtain appearance durability when good heating.In turn, if the thickness of polarisation part is such range, it can aid in light
Learn the slimming of laminated body (result is organic EL display device).
Polarisation part, which is preferably shown under the arbitrary wavelength of wavelength 380nm~780nm, absorbs dichroism.The monomer of polarisation part is saturating
The rate of mistake is preferably 43.0%~46.0%, and more preferably 44.5%~46.0%.The degree of polarization of polarisation part be preferably 97.0% with
On, more preferably 99.0% or more, further preferably 99.9% or more.
B-2. protective layer
Protective layer 42 is formed by any suitable film that the protective layer of polarisation part can be used as to use.As thin as this
The concrete example of the material of the principal component of film can be enumerated：The cellulose-based resins such as Triafol T (TAC)；Polyester, polyethylene
Alcohol system, polycarbonate-based, polyamide-based, polyimides system, polyether sulfone system, polysulfones system, polystyrene, polynorbornene system,
Transparent resins such as polyolefin, (methyl) acrylic acid series, acetic acid esters system etc..In addition, can also enumerate (methyl) acrylic acid series, urethane
The thermohardening types resins or ultraviolet curing resin etc. such as system, (methyl) acrylic acid urethane system, epoxy, silicon-type.Except this
In addition, also it can be mentioned, for example the nature of glass based polymers such as siloxane-based polymers.Alternatively, it is also possible to use Japanese Unexamined Patent Publication 2001-
Thin polymer film described in No. 343529 bulletins (WO01/37007).As the material of the film, can use containing in side
Thermoplastic resin of the chain with substituted or unsubstituted imide and in side chain with substituted or unsubstituted phenyl and nitrile
The resin combination of the thermoplastic resin of base, it can be mentioned, for example with the alternating being made of isobutene and N- methylmaleimidos
The resin combination of copolymer and acrylonitritrile-styrene resin.The thin polymer film can be for such as above-mentioned resin combination
Extrusion molding object.
The representative visual identity side for being arranged in image display device of optical laminate of the present invention, 42 generation of protective layer
Table is arranged in its visual identity side.Therefore, at can be to the implementation hard coating as needed of protective layer 42, antireflection
The surface treatments such as reason, Anti-adhesive, anti-dazzle light processing.In turn/alternatively, can also implement to improve to protective layer 42 as needed
The processing that visual identity when visual identity is carried out by polarized sunglasses is (representative to be to confer to (ellipse) circularly polarized light work(
Can, it assign superelevation phase difference).By being handled as implementation, even if to be regarded by spreadlight lenses such as polarized sunglasses
In the case of feeling that identification shows picture, excellent visual identity can also be realized.Therefore, optical laminate suitable can also be answered
For can be in the image display device of outdoor application.
The thickness of protective layer 42 is preferably 20 μm~200 μm, more preferably 30 μm~100 μm, further preferably 35 μm
~95 μm.
The preferably optically isotropism of protective layer 43." optically isotropism " refers to phase in face in the present specification
Potential difference Re (550) is 0nm~10nm, the phase difference Rth of thickness direction (550) is -10nm~+10nm.Phase in the face of base material
Poor Re (550) is preferably 0nm~5nm, and the phase difference Rth (550) of thickness direction is preferably -5nm~+5nm.It is explained, " Re
(550) " it is phase difference in the face of the film obtained using the light measurement of wavelength 550nm at 23 DEG C, is set by the thickness of film
For d (nm) when, by formula：Re=(nx-ny) × d is acquired." Rth (550) " are to be obtained using the light measurement of wavelength 550nm at 23 DEG C
The phase difference of the thickness direction of the film arrived, when the thickness of film is set as d (nm), by formula：Re=(nx-nz) × d is acquired.
Here, " nx " be face in refractive index be in maximum direction (i.e. slow-axis direction) refractive index, " ny " in face with slow axis just
The refractive index in the direction (i.e. fast axis direction) of friendship, " nz " are the refractive index of thickness direction.
Material and thickness of protective layer 43 etc. are as shown in the above description about protective layer 42.
Protective layer 42 and 43 it is representative be by any suitable adhesive layer (such as PVA systems resin bonding oxidant layer) and
Fit in polarisation part 41.
C. base material
Base material 10 is preferably transparent.The total light transmittance of the visible light (such as light of wavelength 550nm) of base material is preferably 85%
More than, more preferably 90% or more, further preferably 95% or more.
The optically isotropism in one embodiment of base material 10.If such composition, then be laminated by optics
In the case that body is applied to image display device, the harmful effect to the display characteristic of the image display device can be prevented.
The mean refractive index of base material preferably less than 1.7, more preferably 1.59 hereinafter, further preferably 1.4~1.55.If
Mean refractive index is such range, then has the advantages that backside reflection can be inhibited, high transparency may be implemented.
The surface roughness Ra on the surface of the 1st oxide skin(coating) side of base material is 0.30nm or more as noted above, preferably
0.40nm or more, more preferably 0.50nm or more, further preferably 0.60nm or more.The surface roughness Ra on the surface it is upper
It is limited to such as 50nm.If the surface roughness on the surface is such range, base material and the 1st oxidation can be realized as noted above
As a result the excellent adaptation of nitride layer can significantly inhibit the 1st oxide skin(coating) and/or the 2nd oxygen caused by the contraction of polarisation part
Compound layer crackle (representative be thickness direction crackle).In addition, by the way that Ra is set as 0.3nm~50nm, so as into
One step improves the transmissivity of optical laminate.It is thought that due to：It is mixed into the first oxygen by the recess portion of the concavo-convex portion in base material
Compound layer functions to form the layer with intermediate refractive index as refractive index matching layers.If Ra is more than 50nm,
Then occur to make visually to seem fuzzy, so-called because of light scattering to haze, offsetting sometimes above-mentioned has intermediate refractive index
Layer effect.Such surface roughness can be realized by any suitable roughening treatment.As roughening treatment,
It can be mentioned, for example embossing processing, sandblasting, the introducings of tensile foldable, particle.Surface roughness Ra can be according to JIS B 0601
It measures.
As the material for constituting base material, any suitable material that disclosure satisfy that above-mentioned characteristic can be used.As composition
The material of base material, it can be mentioned, for example：Norbornene resin, olefin-based resin etc. do not have the resin of conjugated system；In propylene
Resin, polyester based resin with cyclic structures such as lactonic ring, glutarimide rings in sour owner's chain, polycarbonate-based resin.
If such material, then the appearance of the associated phase difference of orientation with strand can be inhibited when forming base material compared with
It is small.
Base material can have defined phase difference in another embodiment.Such as base material can have can be used as so-called λ/
4 plates function phase difference in such face.If such composition, then it is not necessary that separately configuration phase difference layer can be to optical layer
Stack assigns good circularly polarized light function, thus optical laminate act not only as image display device barrier film it is good
It functions well, and is also used as antireflective film and functions well.At this point, the slow axis of base material and polarisation part 41
Absorption axiss angulation it is representative be about 45 °.Such base material for example can be by by norbornene resin, poly- carbon
The film of acid esters system resin is stretched and is formed under suitable condition.
The thickness of base material is preferably 10 μm~50 μm hereinafter, more preferably 20 μm~35 μm or less.
D. the 1st oxide skin(coating)
1st oxide skin(coating) 20 includes ZnO, Al and SiO as noted above2.1st oxide skin(coating) is relative to total weight with preferred
The ratio of 2.5 weight of weight %~3.5 % contains Al, contains SiO with the ratio of preferably 20.0 weight of weight %~62.4 %2。
ZnO is preferably surplus.By containing ZnO with such range, so as to form amorphous, barrier property, bendability and heat-resisting
The excellent layer of property.By containing Al with such range, the 1st oxide skin(coating) it is representative by sputtering to be formed when, can make
The conductivity of target increases.By containing SiO with such range2, paradoxical discharge can not be generated and subtracted with not damaging barrier property
The refractive index of small 1st oxide skin(coating).
The thickness of 1st oxide skin(coating) is preferably as noted above 10nm~100nm, more preferably 10nm~60nm, into one
Step is preferably 20nm~40nm.If thickness is such range, high light transmittance and excellent barrier property can be taken into account by having
Advantage.
The mean refractive index of 1st oxide skin(coating) is preferably 1.59~1.80.If mean refractive index is such range, have
The advantages of high light transmittance may be implemented.
1st oxide skin(coating) is preferably transparent.The total light transmission of the visible light (such as light of wavelength 550nm) of 1st oxide skin(coating)
Rate is preferably 85% or more, more preferably 90% or more, further preferably 95% or more.
Representative 1st oxide skin(coating) is can be formed on base material by sputtering.1st oxide skin(coating) can be used for example
Including Al, SiO2And the sputtering target of ZnO, it is formed using sputtering method under containing aerobic non-active gas atmosphere.As sputtering
Method, magnetron sputtering system, RF sputtering methods, RF overlappings DC sputtering methods, pulsed sputter method, dual magnetron sputtering method may be used
Deng.The heating temperature of substrate is such as -8 DEG C~200 DEG C.Oxygen is relative to the atmosphere gas of oxygen and non-active gas entirety
Partial pressure is such as 0.05 or more.
The details of the AZO films and its manufacturing method that constitute the 1st oxide skin(coating) is recorded in such as Japanese Unexamined Patent Publication 2013-
In No. 189657 bulletins.The record of the bulletin is incorporated herein by reference.
E. the 2nd oxide skin(coating)
2nd oxide skin(coating) 30 is as noted above by SiO2It constitutes (can also include inevitable impurity).By the 1st
The surface of oxide skin(coating) forms such 2nd oxide skin(coating), to can both maintain the superperformance brought by the 1st oxide skin(coating),
The chemical resistance and the transparency of optical laminate can be significantly improved again.In turn, the 2nd oxide skin(coating) can be used as low refraction
Rate layer functions, therefore can assign good preventing reflection characteristic to optical laminate.
The thickness of 2nd oxide skin(coating) is preferably as noted above 10nm~100nm, more preferably 50nm~100nm, into one
Step is preferably 60nm~100nm.If thickness be such range, have can take into account high light transmittance, excellent barrier property and
The advantages of excellent chemical resistance.
The mean refractive index of 2nd oxide skin(coating) is preferably 1.44~1.50.As a result, the 2nd oxide skin(coating) can conduct
Low-index layer (anti-reflection layer) functions well.
2nd oxide skin(coating) is preferably transparent.The total light transmission of the visible light (such as light of wavelength 550nm) of 2nd oxide skin(coating)
Rate is preferably 85% or more, more preferably 90% or more, further preferably 95% or more.
Representative 2nd oxide skin(coating) is can be formed on the 1st oxide skin(coating) by sputtering.2nd oxide skin(coating) is for example
It can be by using Si, SiC, SiN or SiO as target and using non-active gas (such as argon, nitrogen, CO, CO containing oxygen2
And their mixed gas) sputtered to be formed.1st oxide skin(coating) and the 2nd oxide skin(coating) include SiO2, therefore the 1st oxygen
Compound layer and the adaptation of the 2nd oxide skin(coating) are very excellent.As a result, in order at the interface of the 1st oxide skin(coating) and the 2nd oxide skin(coating)
Sufficient barriers function is embodied, the thickness of the 1st oxide skin(coating) is preferably 10nm or more as noted above.As its reason, be by
In：The ratio that the so-called initial layers as early days of growth film can fully be reduced, can form the oxide with target properties
Layer.In addition, the overall thickness of the 1st oxide skin(coating) and the 2nd oxide skin(coating) is preferably 200nm hereinafter, more preferably 140nm or less.
F. the purposes of optical laminate
The present invention optical laminate can be suitable for use as image display device have barrier layer (barrier film) and partially
The optical component of the function of both tabula rasas.More specifically, optical laminate of the invention may be used as liquid crystal display device and
The optical component of organic EL display device, preferably organic EL display device, more preferably flexible organic EL display device.
Embodiment
Hereinafter, the present invention is specifically described using embodiment, but the present invention and it is not limited to the examples restriction.
It is explained, the assay method of each characteristic is as shown below.
(1) thickness
About the 1st oxide skin(coating) and the thickness of the 2nd oxide skin(coating), transmission electron microscope (Hitachi's system is used
H-7650 section) is observed, is measured.The thickness of other inscapes of optical laminate uses film thickness gauge (Peacock companies
Digital dial gauge DG-205 processed) it is measured.
(2) surface roughness Ra
It is measured according to JIS B 0601.Measuring machine uses optical profile type surface roughness meter (Veeco Metrogy
Group corporations, trade name " Wyko NT9100 ").
(3) reliability
The optical laminate of gained in Examples and Comparative Examples is cut into 50mm × 50mm sizes, as measurement sample.
The measurement sample is fitted in into quartz glass, is preserved 500 hours in 95 DEG C of baking oven, the moisture permeability after preserving is measured, according to
Benchmark below is evaluated.
○：Less than 1.0 × 10-1g/m2/24hr
×：It is 1.0 × 10-1g/m2/ r or more for 24 hours
(4) moisture permeability
The round shape that the optical laminate of gained in Examples and Comparative Examples is cut into 10cm Φ, as measurement sample.It is right
The measurement sample measures moisture-inhibiting using テ Network ノ ロ ッ Network ス society's systems " DELTAPERM " under 40 DEG C, the experimental condition of 90%RH
Degree.
(5) chemical resistance
The optical laminate of gained in Examples and Comparative Examples is cut into 100mm × 100mm sizes, is tried as measuring
Sample.To the sodium hydroxide solution (pH13.7) that 2% is added dropwise in sample is measured, sodium hydroxide solution is wiped after 10 minutes, is measured
Moisture permeability is evaluated according to benchmark below.
○：Less than 1.0 × 10-1g/m2/24hr
×：It is 1.0 × 10-1g/m2/ r or more for 24 hours
1 ＞ of ＜ embodiments
(making of stacking barrier film)
It regard commercially available COP films (Japanese ZEON Co. Ltd. systems, trade name " ZEONOR ", 40 μm of thickness) as base material,
Using including Al, SiO2And the sputtering target of ZnO, the 1st oxide skin(coating) (thickness is formd on base material using DC magnetron sputtering systems
30nm).Then, using Si targets, the 2nd oxide is formd on the 1st oxide skin(coating) of the laminated body of the oxide skin(coating) of base material/the 1st
Layer (50nm).Thus making has oxide skin(coating) (AZO)/the 2nd oxide skin(coating) (SiO of base material/the 1st2) composition stacking barrier
Film.Roughening treatment is implemented to the face of base material to be sputtered in advance using sided corona treatment.The surface roughness Ra on the surface
For 0.51nm.
(making of polarisation part)
By the long silver lap of 30 μm polyvinyl alcohol (PVA) based resin film (Kuraray system, product name " PE3000 ") of thickness
Using roller stretching machine by length direction at 5.9 times in the way of edge length direction be uniaxially stretched, side is implemented molten simultaneously
Swollen, dyeing, crosslinking, cleaning treatment are finally implemented to be dried, are thus fabricated to the polarisation part of 12 μm of thickness.
Specifically, about swelling treatment, lateral dominance carries out processing side with 20 DEG C of pure water and is stretched to 2.2 times.Then, about
Dyeing is handled, while in the iodine and iodine that have adjusted iodine concentration in a manner of so that the singleton transmittance of the polarisation part of gained is reached 45.0%
The weight ratio for changing potassium is 1：It is handled in 7 30 DEG C of aqueous solution, while being stretched to 1.4 times.In turn, it about crosslinking Treatment, adopts
With the crosslinking Treatment in 2 stages, about the crosslinking Treatment in the 1st stage, while in 40 DEG C of the aqueous solution dissolved with boric acid and potassium iodide
In handled, while being stretched to 1.2 times.The boric acid content of the aqueous solution of the crosslinking Treatment in the 1st stage is 5.0 weight %, iodate
Potassium content is 3.0 weight %.About the crosslinking Treatment in the 2nd stage, while in 65 DEG C of the aqueous solution dissolved with boric acid and potassium iodide
In handled, while being stretched to 1.6 times.The boric acid content of the aqueous solution of the crosslinking Treatment in the 2nd stage is 4.3 weight %, iodate
Potassium content is 5.0 weight %.In addition, about cleaning treatment, handled using 20 DEG C of potassium iodide aqueous solution.Cleaning treatment
Aqueous solution iodate potassium content be 2.6 weight %.Finally, with regard to drying process, it is made to dry 5 minutes and obtain at 70 DEG C
Polarisation part.
(making of polarizer)
By roll-to-roll, in the unilateral single side for being fitted in TAC film by polyethenol series bonding agent of above-mentioned polarisation part
With the hard HC-TAC films (32 μm of thickness) for applying (HC) layer formed by hard coating, borrowed in the other side of above-mentioned polarisation part
It helps polyethenol series bonding agent to be bonded common TAC film (25 μm of thickness), obtains that there is protective layer/polarisation part/protective layer
The polarizer of the strip of composition.
(making of optical laminate)
By the substrate surface of the faces HC-TAC of the polarizer of above-mentioned gained and the stacking barrier film of above-mentioned gained by propylene
Acid system adhesive is bonded by roll-to-roll, is obtained with protective layer/polarisation part/1 oxide skin(coating)/the of protective layer/base material/the
The optical laminate of the strip of the composition of 2 oxide skin(coating)s.Evaluation by the optical laminate of gained for above-mentioned (3)~(5).
The results are shown in Table 1.
2 ＞ of ＜ embodiments
Other than the surface roughness Ra on the surface of the 1st oxide skin(coating) side of base material is set as 0.66nm, with embodiment 1
Similarly make optical laminate.By the optical laminate of gained for evaluation similarly to Example 1.The results are shown in Table 1.
3 ＞ of ＜ embodiments
Other than the surface roughness Ra on the surface of the 1st oxide skin(coating) side of base material is set as 0.85nm, with embodiment 1
Similarly make optical laminate.By the optical laminate of gained for evaluation similarly to Example 1.The results are shown in Table 1.
1 ＞ of ＜ comparative examples
Other than the surface roughness Ra on the surface of the 1st oxide skin(coating) side of base material is set as 0.20nm, with embodiment 1
Similarly make optical laminate.By the optical laminate of gained for evaluation similarly to Example 1.The results are shown in Table 1.
2 ＞ of ＜ comparative examples
Other than the surface roughness Ra on the surface of the 1st oxide skin(coating) side of base material is set as 0.28nm, with embodiment 1
Similarly make optical laminate.By the optical laminate of gained for evaluation similarly to Example 1.The results are shown in Table 1.
【Table 1】
＜ evaluates ＞
It can be defined by table 1：By with barrier layer (the 1st oxide skin(coating) and the 2nd oxide skin(coating)), base material and polarisation part
In optical laminate, the surface roughness on the surface of the 1st oxide skin(coating) side of base material is set as specified value or more, to can both tie up
Excellent barrier property and chemical resistance are held, and reliability can be significantly improved.More specifically, can significantly inhibit because
Crackle caused by the heat shrink of polarisation part.
Industrial availability
The present invention optical laminate can be suitable for use as image display device have barrier layer (barrier film) and partially
The optical component of the function of both tabula rasas.More specifically, optical laminate of the invention may be used as liquid crystal display device and
The optical component of organic EL display device, preferably organic EL display device, more preferably flexible organic EL display device.
Reference sign
10 base materials
20 the 1st oxide skin(coating)s
30 the 2nd oxide skin(coating)s
40 polarizers
41 polarisation parts
42 protective layers
43 protective layers
100 optical laminates
Claims (7)
1. a kind of optical laminate, has successively：Polarisation part；Base material；Including ZnO, Al and SiO2The 1st oxide skin(coating)；With by
SiO2The 2nd oxide skin(coating) constituted,
The surface roughness Ra on the surface of the 1st oxide skin(coating) side of the base material is 0.30nm~50nm.
2. optical laminate according to claim 1 also has protective layer in at least side of the polarisation part.
3. optical laminate according to claim 1 or 2, wherein the thickness of the 1st oxide skin(coating) be 10nm~
100nm。
4. optical laminate described in any one of claim 1 to 3, wherein the thickness of the 2nd oxide skin(coating) is
10nm~100nm.
5. optical laminate according to any one of claims 1 to 4, moisture permeability is 3.0 × 10-2g/m2/ for 24 hours r with
Under.
6. optical laminate according to claim 5, gas barrier property is 1.0 × 10-7g/m2/ r~0.5g/m for 24 hours2/24hr。
7. saturating after dropwise addition hydrochloric acid or sodium hydroxide solution according to optical laminate according to any one of claims 1 to 6
Humidity deficit 1.0 × 10-1g/m2/24hr。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-016528 | 2016-01-29 | ||
| JP2016016528A JP6938112B2 (en) | 2016-01-29 | 2016-01-29 | Optical laminate |
| PCT/JP2017/003050 WO2017131201A1 (en) | 2016-01-29 | 2017-01-27 | Optical layered body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108603964A true CN108603964A (en) | 2018-09-28 |
| CN108603964B CN108603964B (en) | 2021-09-21 |
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| CN201780008635.8A Expired - Fee Related CN108603964B (en) | 2016-01-29 | 2017-01-27 | Optical laminate |
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|---|---|
| JP (1) | JP6938112B2 (en) |
| KR (1) | KR20180109897A (en) |
| CN (1) | CN108603964B (en) |
| WO (1) | WO2017131201A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI829817B (en) * | 2018-12-10 | 2024-01-21 | 日商日本瑞翁股份有限公司 | Stacked body and manufacturing method thereof, circular polarizing plate, display device and touch panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6610803B2 (en) * | 2017-08-10 | 2019-11-27 | 東洋紡株式会社 | Gas barrier laminate |
| CN108400180B (en) * | 2018-01-25 | 2020-06-16 | 北京工业大学 | Textured substrate enhances electrical stability of flexible devices under mechanical stress |
| WO2019163461A1 (en) * | 2018-02-26 | 2019-08-29 | 日東電工株式会社 | Polarizing plate with anti-reflection layer and method for producing same |
| TWI711847B (en) * | 2018-11-02 | 2020-12-01 | 南韓商Ｌｇ化學股份有限公司 | Circularly polarizing plate and organic light emitting diode device |
| US20210325590A1 (en) * | 2018-11-02 | 2021-10-21 | Lg Chem, Ltd. | Circular polarizing plate |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108603964B (en) | 2021-09-21 |
| JP6938112B2 (en) | 2021-09-22 |
| WO2017131201A1 (en) | 2017-08-03 |
| KR20180109897A (en) | 2018-10-08 |
| JP2017134371A (en) | 2017-08-03 |
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