JP6914355B2 - 偏光子および偏光板 - Google Patents

偏光子および偏光板 Download PDF

Info

Publication number: JP6914355B2
Authority: JP; Japan
Prior art keywords: polarizer; pva; based resin; weight; resin film
Prior art date: 2017-11-24
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.): Active

Application number

JP2019555312A

Other languages

English (en)

Japanese (ja)

Other versions

JPWO2019103002A1 (ja

Inventor

浩明澤田

森　拓也

森　　拓也

聡司三田

友斗猿橋

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nitto Denko Corp

Original Assignee

Nitto Denko Corp

Priority date (The priority date 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 date listed.)

2017-11-24

Filing date

2018-11-20

Publication date

2021-08-04

2018-11-20 Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp

2020-10-01 Publication of JPWO2019103002A1 publication Critical patent/JPWO2019103002A1/ja

2021-08-04 Application granted granted Critical

2021-08-04 Publication of JP6914355B2 publication Critical patent/JP6914355B2/ja

Status Active legal-status Critical Current

2038-11-20 Anticipated expiration legal-status Critical

Links

239000004372 Polyvinyl alcohol Substances 0.000 claims description 66
229920002451 polyvinyl alcohol Polymers 0.000 claims description 66
239000011347 resin Substances 0.000 claims description 63
229920005989 resin Polymers 0.000 claims description 63
238000002834 transmittance Methods 0.000 claims description 44
229910052740 iodine Inorganic materials 0.000 claims description 40
239000011630 iodine Substances 0.000 claims description 40
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 39
238000010438 heat treatment Methods 0.000 claims description 18
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 5
230000001681 protective effect Effects 0.000 claims description 5
229910001415 sodium ion Inorganic materials 0.000 claims description 4
KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 3
FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 3
239000007788 liquid Substances 0.000 description 42
239000000126 substance Substances 0.000 description 30
238000004043 dyeing Methods 0.000 description 28
NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 24
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 21
238000000034 method Methods 0.000 description 21
239000007864 aqueous solution Substances 0.000 description 18
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 17
238000001035 drying Methods 0.000 description 15
239000010410 layer Substances 0.000 description 15
238000012360 testing method Methods 0.000 description 14
239000000463 material Substances 0.000 description 12
239000000243 solution Substances 0.000 description 12
238000004132 cross linking Methods 0.000 description 11
230000008961 swelling Effects 0.000 description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
239000002585 base Substances 0.000 description 10
230000000052 comparative effect Effects 0.000 description 9
238000011156 evaluation Methods 0.000 description 9
238000004519 manufacturing process Methods 0.000 description 8
229910000030 sodium bicarbonate Inorganic materials 0.000 description 8
235000017557 sodium bicarbonate Nutrition 0.000 description 8
230000015572 biosynthetic process Effects 0.000 description 7
150000001639 boron compounds Chemical class 0.000 description 7
150000002500 ions Chemical class 0.000 description 7
150000004291 polyenes Chemical class 0.000 description 7
238000005406 washing Methods 0.000 description 7
239000004925 Acrylic resin Substances 0.000 description 6
229920000178 Acrylic resin Polymers 0.000 description 6
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
239000004327 boric acid Substances 0.000 description 6
230000003139 buffering effect Effects 0.000 description 6
238000004140 cleaning Methods 0.000 description 6
238000002845 discoloration Methods 0.000 description 6
XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 6
238000007654 immersion Methods 0.000 description 6
238000007127 saponification reaction Methods 0.000 description 6
238000005507 spraying Methods 0.000 description 6
239000004820 Pressure-sensitive adhesive Substances 0.000 description 5
238000010521 absorption reaction Methods 0.000 description 5
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 5
-1 citrate ions Chemical class 0.000 description 5
239000004973 liquid crystal related substance Substances 0.000 description 5
238000006116 polymerization reaction Methods 0.000 description 5
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
150000001875 compounds Chemical class 0.000 description 4
230000010287 polarization Effects 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
239000011248 coating agent Substances 0.000 description 3
238000000576 coating method Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
239000011521 glass Substances 0.000 description 3
XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 3
KNCYXPMJDCCGSJ-UHFFFAOYSA-N piperidine-2,6-dione Chemical group O=C1CCCC(=O)N1 KNCYXPMJDCCGSJ-UHFFFAOYSA-N 0.000 description 3
229920000139 polyethylene terephthalate Polymers 0.000 description 3
239000005020 polyethylene terephthalate Substances 0.000 description 3
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 3
FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
229920000219 Ethylene vinyl alcohol Polymers 0.000 description 2
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
239000003513 alkali Substances 0.000 description 2
238000011088 calibration curve Methods 0.000 description 2
229920001577 copolymer Polymers 0.000 description 2
BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 2
229940006461 iodide ion Drugs 0.000 description 2
HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000003002 pH adjusting agent Substances 0.000 description 2
235000015497 potassium bicarbonate Nutrition 0.000 description 2
229910000028 potassium bicarbonate Inorganic materials 0.000 description 2
239000011736 potassium bicarbonate Substances 0.000 description 2
TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 2
229940086066 potassium hydrogencarbonate Drugs 0.000 description 2
239000011734 sodium Substances 0.000 description 2
229910000029 sodium carbonate Inorganic materials 0.000 description 2
229920005992 thermoplastic resin Polymers 0.000 description 2
JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
UAYWVJHJZHQCIE-UHFFFAOYSA-L zinc iodide Chemical compound I[Zn]I UAYWVJHJZHQCIE-UHFFFAOYSA-L 0.000 description 2
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
UNMYWSMUMWPJLR-UHFFFAOYSA-L Calcium iodide Chemical compound [Ca+2].[I-].[I-] UNMYWSMUMWPJLR-UHFFFAOYSA-L 0.000 description 1
229920002284 Cellulose triacetate Polymers 0.000 description 1
DKNPRRRKHAEUMW-UHFFFAOYSA-N Iodine aqueous Chemical compound [K+].I[I-]I DKNPRRRKHAEUMW-UHFFFAOYSA-N 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
238000002441 X-ray diffraction Methods 0.000 description 1
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 1
230000032900 absorption of visible light Effects 0.000 description 1
238000000862 absorption spectrum Methods 0.000 description 1
125000002339 acetoacetyl group Chemical group O=C([*])C([H])([H])C(=O)C([H])([H])[H] 0.000 description 1
239000000654 additive Substances 0.000 description 1
239000012790 adhesive layer Substances 0.000 description 1
CECABOMBVQNBEC-UHFFFAOYSA-K aluminium iodide Chemical compound I[Al](I)I CECABOMBVQNBEC-UHFFFAOYSA-K 0.000 description 1
SGUXGJPBTNFBAD-UHFFFAOYSA-L barium iodide Chemical compound [I-].[I-].[Ba+2] SGUXGJPBTNFBAD-UHFFFAOYSA-L 0.000 description 1
229910001638 barium iodide Inorganic materials 0.000 description 1
229940075444 barium iodide Drugs 0.000 description 1
229910021538 borax Inorganic materials 0.000 description 1
125000005619 boric acid group Chemical group 0.000 description 1
229910052796 boron Inorganic materials 0.000 description 1
229910001640 calcium iodide Inorganic materials 0.000 description 1
229940046413 calcium iodide Drugs 0.000 description 1
239000012461 cellulose resin Substances 0.000 description 1
229920006026 co-polymeric resin Polymers 0.000 description 1
GBRBMTNGQBKBQE-UHFFFAOYSA-L copper;diiodide Chemical compound I[Cu]I GBRBMTNGQBKBQE-UHFFFAOYSA-L 0.000 description 1
238000003851 corona treatment Methods 0.000 description 1
238000005336 cracking Methods 0.000 description 1
239000003431 cross linking reagent Substances 0.000 description 1
210000002858 crystal cell Anatomy 0.000 description 1
150000001925 cycloalkenes Chemical class 0.000 description 1
229920005994 diacetyl cellulose Polymers 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
239000012153 distilled water Substances 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
239000005038 ethylene vinyl acetate Substances 0.000 description 1
238000001879 gelation Methods 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
150000004694 iodide salts Chemical class 0.000 description 1
PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
238000010030 laminating Methods 0.000 description 1
230000031700 light absorption Effects 0.000 description 1
238000005259 measurement Methods 0.000 description 1
238000000691 measurement method Methods 0.000 description 1
239000000113 methacrylic resin Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000000178 monomer Substances 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
QQVIHTHCMHWDBS-UHFFFAOYSA-N perisophthalic acid Natural products OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
229940085991 phosphate ion Drugs 0.000 description 1
229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
229920005672 polyolefin resin Polymers 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
239000011118 polyvinyl acetate Substances 0.000 description 1
229920002689 polyvinyl acetate Polymers 0.000 description 1
229910000027 potassium carbonate Inorganic materials 0.000 description 1
235000011181 potassium carbonates Nutrition 0.000 description 1
229910001414 potassium ion Inorganic materials 0.000 description 1
235000009518 sodium iodide Nutrition 0.000 description 1
239000004328 sodium tetraborate Substances 0.000 description 1
235000010339 sodium tetraborate Nutrition 0.000 description 1
239000002904 solvent Substances 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
239000007921 spray Substances 0.000 description 1
238000010186 staining Methods 0.000 description 1
239000012192 staining solution Substances 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
QPBYLOWPSRZOFX-UHFFFAOYSA-J tin(iv) iodide Chemical compound I[Sn](I)(I)I QPBYLOWPSRZOFX-UHFFFAOYSA-J 0.000 description 1
NLLZTRMHNHVXJJ-UHFFFAOYSA-J titanium tetraiodide Chemical compound I[Ti](I)(I)I NLLZTRMHNHVXJJ-UHFFFAOYSA-J 0.000 description 1
WRTMQOHKMFDUKX-UHFFFAOYSA-N triiodide Chemical compound I[I-]I WRTMQOHKMFDUKX-UHFFFAOYSA-N 0.000 description 1
229940006158 triiodide ion Drugs 0.000 description 1
238000000870 ultraviolet spectroscopy Methods 0.000 description 1
238000001291 vacuum drying Methods 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
239000011592 zinc chloride Substances 0.000 description 1
235000005074 zinc chloride Nutrition 0.000 description 1
150000003752 zinc compounds Chemical class 0.000 description 1
NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
229960001763 zinc sulfate Drugs 0.000 description 1
229910000368 zinc sulfate Inorganic materials 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
- 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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Nonlinear Science (AREA)
Mathematical Physics (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Polarising Elements (AREA)

JP2019555312A 2017-11-24 2018-11-20 偏光子および偏光板 Active JP6914355B2 (ja)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2017225778		2017-11-24
JP2017225778		2017-11-24
PCT/JP2018/042870 WO2019103002A1 (ja)	2017-11-24	2018-11-20	偏光子および偏光板

Publications (2)

Publication Number	Publication Date
JPWO2019103002A1 JPWO2019103002A1 (ja)	2020-10-01
JP6914355B2 true JP6914355B2 (ja)	2021-08-04

Family

ID=66631975

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2019555312A Active JP6914355B2 (ja)	2017-11-24	2018-11-20	偏光子および偏光板

Country Status (5)

Country	Link
JP (1)	JP6914355B2 (zh)
KR (1)	KR102400008B1 (zh)
CN (1)	CN111373295B (zh)
TW (1)	TWI791687B (zh)
WO (1)	WO2019103002A1 (zh)

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CN112840241B (zh) *	2018-11-12	2023-05-12	日东电工株式会社	偏光膜、偏振膜、层叠偏振膜、图像显示面板、以及图像显示装置
TWI832925B (zh) *	2018-11-12	2024-02-21	日商日東電工股份有限公司	偏光膜、偏光薄膜、積層偏光薄膜、影像顯示面板及影像顯示裝置
CN115685434A (zh) *	2018-11-12	2023-02-03	日东电工株式会社	偏光膜、偏振膜、层叠偏振膜、图像显示面板、以及图像显示装置
JP7300325B2 (ja) *	2019-06-25	2023-06-29	日東電工株式会社	偏光板および該偏光板の製造方法
JP7300326B2 (ja) *	2019-06-25	2023-06-29	日東電工株式会社	偏光板および該偏光板の製造方法
JP7012891B2 (ja) *	2020-02-07	2022-01-28	住友化学株式会社	偏光フィルムの製造方法
JP2021167948A (ja)	2020-04-08	2021-10-21	日東電工株式会社	偏光フィルム
JP2021165809A (ja) *	2020-04-08	2021-10-14	日東電工株式会社	偏光膜および偏光フィルム
JP2021170044A (ja)	2020-04-14	2021-10-28	日東電工株式会社	偏光膜および偏光フィルム
JP2021179604A (ja) *	2020-05-08	2021-11-18	日東電工株式会社	画像表示装置
JP2023038489A (ja) *	2021-09-07	2023-03-17	住友化学株式会社	偏光フィルム及び偏光板の製造方法

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CN100549738C (zh) *	2005-03-10	2009-10-14	日本化药株式会社	碘系偏光膜及其制造方法和使用该碘系偏光膜的偏光板
WO2006095815A1 (ja) *	2005-03-10	2006-09-14	Nippon Kayaku Kabushiki Kaisha	ヨウ素系偏光フィルム、その製造方法及びそれを用いた偏光板
JP2006276236A (ja) *	2005-03-28	2006-10-12	Nippon Kayaku Co Ltd	偏光素膜又は偏光板
KR100958287B1 (ko) *	2007-02-09	2010-05-19	주식회사 엘지화학	내구성이 우수한 편광 소자, 편광판 및 그 제조 방법
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JP4851491B2 (ja) *	2008-05-20	2012-01-11	日東電工株式会社	偏光板、その製造方法、光学フィルムおよび画像表示装置
JP5048120B2 (ja)	2010-03-31	2012-10-17	住友化学株式会社	偏光性積層フィルムの製造方法、および偏光板の製造方法
JP5667016B2 (ja) *	2010-09-03	2015-02-12	日東電工株式会社	薄型偏光膜、薄型偏光膜を有する光学積層体、および薄型偏光膜の製造方法
JP2013148722A (ja)	2012-01-19	2013-08-01	Nitto Denko Corp	粘着剤層付光学フィルムおよび画像表示装置
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KR20150004795A (ko) *	2012-04-13	2015-01-13	니폰 가야꾸 가부시끼가이샤	편광소자 및 편광판
JP6054054B2 (ja) *	2012-05-11	2016-12-27	日東電工株式会社	偏光子の製造方法、偏光子、偏光板、光学フィルムおよび画像表示装置
JP6138002B2 (ja)	2013-09-09	2017-05-31	日東電工株式会社	透明導電膜用粘着剤層付偏光フィルム、積層体、及び、画像表示装置
JP6592254B2 (ja) *	2015-02-26	2019-10-16	日東電工株式会社	紫外線硬化型アクリル系粘着剤組成物、紫外線硬化型アクリル系粘着剤層、粘着剤層付き偏光フィルム、紫外線硬化型アクリル系粘着剤層の製造方法、及び画像表示装置
JP6944759B2 (ja) *	2015-10-13	2021-10-06	日東電工株式会社	粘着剤層付き偏光板

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