KR102675981B1 - 편광판, 액정표시장치 및 이의 제조 방법, 및 폴리비닐알코올계 편광 필름 - Google Patents
편광판, 액정표시장치 및 이의 제조 방법, 및 폴리비닐알코올계 편광 필름 Download PDFInfo
- Publication number
- KR102675981B1 KR102675981B1 KR1020207002076A KR20207002076A KR102675981B1 KR 102675981 B1 KR102675981 B1 KR 102675981B1 KR 1020207002076 A KR1020207002076 A KR 1020207002076A KR 20207002076 A KR20207002076 A KR 20207002076A KR 102675981 B1 KR102675981 B1 KR 102675981B1
- Authority
- KR
- South Korea
- Prior art keywords
- polyvinyl alcohol
- film
- polarizing plate
- polarizing film
- display device
- 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.)
- Active
Links
- 239000004372 Polyvinyl alcohol Substances 0.000 title claims abstract description 140
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims abstract description 140
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 47
- 230000009477 glass transition Effects 0.000 claims abstract description 36
- 238000001035 drying Methods 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 21
- 239000004327 boric acid Substances 0.000 claims description 21
- 229920002284 Cellulose triacetate Polymers 0.000 claims description 7
- 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 claims description 7
- 230000010287 polarization Effects 0.000 abstract description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 3
- 229920002554 vinyl polymer Polymers 0.000 abstract 1
- 239000010408 film Substances 0.000 description 142
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 36
- 239000011347 resin Substances 0.000 description 31
- 229920005989 resin Polymers 0.000 description 31
- 239000007864 aqueous solution Substances 0.000 description 21
- 239000007788 liquid Substances 0.000 description 18
- 238000002834 transmittance Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000004043 dyeing Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 238000002845 discoloration Methods 0.000 description 10
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 9
- 229910052740 iodine Inorganic materials 0.000 description 9
- 239000011630 iodine Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 238000001291 vacuum drying Methods 0.000 description 8
- 230000008961 swelling Effects 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000975 dye Substances 0.000 description 5
- 238000007127 saponification reaction Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- -1 etc.) Chemical class 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 210000002858 crystal cell Anatomy 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 150000000180 1,2-diols Chemical group 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 150000001639 boron compounds Chemical class 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- MWWXARALRVYLAE-UHFFFAOYSA-N 2-acetyloxybut-3-enyl acetate Chemical compound CC(=O)OCC(C=C)OC(C)=O MWWXARALRVYLAE-UHFFFAOYSA-N 0.000 description 1
- JMMZCWZIJXAGKW-UHFFFAOYSA-N 2-methylpent-2-ene Chemical compound CCC=C(C)C JMMZCWZIJXAGKW-UHFFFAOYSA-N 0.000 description 1
- BJWMSGRKJIOCNR-UHFFFAOYSA-N 4-ethenyl-1,3-dioxolan-2-one Chemical compound C=CC1COC(=O)O1 BJWMSGRKJIOCNR-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 208000034628 Celiac artery compression syndrome Diseases 0.000 description 1
- 229920001747 Cellulose diacetate Polymers 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- DKNPRRRKHAEUMW-UHFFFAOYSA-N Iodine aqueous Chemical compound [K+].I[I-]I DKNPRRRKHAEUMW-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004721 Polyphenylene oxide 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
- UWHCKJMYHZGTIT-UHFFFAOYSA-N Tetraethylene glycol, Natural products OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000911 decarboxylating effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940105990 diglycerin Drugs 0.000 description 1
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 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
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000569 multi-angle light scattering Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003791 organic solvent mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000004094 surface-active agent Chemical class 0.000 description 1
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 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
-
- 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)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2017-166404 | 2017-08-31 | ||
| JP2017166404 | 2017-08-31 | ||
| PCT/JP2018/031505 WO2019044741A1 (ja) | 2017-08-31 | 2018-08-27 | 偏光板、液晶表示装置およびその製造方法、ならびにポリビニルアルコール系偏光フィルム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200046016A KR20200046016A (ko) | 2020-05-06 |
| KR102675981B1 true KR102675981B1 (ko) | 2024-06-17 |
Family
ID=65525678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207002076A Active KR102675981B1 (ko) | 2017-08-31 | 2018-08-27 | 편광판, 액정표시장치 및 이의 제조 방법, 및 폴리비닐알코올계 편광 필름 |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JPWO2019044741A1 (enExample) |
| KR (1) | KR102675981B1 (enExample) |
| CN (1) | CN110945394B (enExample) |
| TW (1) | TWI848916B (enExample) |
| WO (1) | WO2019044741A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221376B (zh) * | 2019-06-28 | 2022-07-05 | 昆山工研院新型平板显示技术中心有限公司 | 一种偏光片、显示面板及偏光片的制备方法 |
| TW202505230A (zh) * | 2023-06-15 | 2025-02-01 | 日商可樂麗股份有限公司 | 偏光薄膜、偏光板及偏光板之製造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002090546A (ja) * | 2000-07-10 | 2002-03-27 | Nitto Denko Corp | 偏光板およびその製造方法 |
| JP2013254072A (ja) * | 2012-06-06 | 2013-12-19 | Nitto Denko Corp | 偏光板、光学フィルムおよび画像表示装置 |
| JP2013254153A (ja) * | 2012-06-08 | 2013-12-19 | Nitto Denko Corp | 光学フィルムの活性化処理方法および製造方法、光学フィルムならびに画像表示装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000258632A (ja) * | 1999-03-10 | 2000-09-22 | Nitto Denko Corp | 広視野角偏光板及び液晶表示装置 |
| JP2001133628A (ja) * | 1999-08-26 | 2001-05-18 | Nippon Mitsubishi Oil Corp | 偏光回折性フィルムの製造方法 |
| JP2003227023A (ja) * | 2002-01-31 | 2003-08-15 | Isshin Kenkyusho:Kk | オートバイなど車輌の警告装置 |
| JP4104916B2 (ja) * | 2002-06-12 | 2008-06-18 | 株式会社クラレ | 光学用ポリビニルアルコールフィルムおよびその製造方法 |
| JP2004341310A (ja) * | 2003-05-16 | 2004-12-02 | Fuji Photo Film Co Ltd | 光散乱型色補償フィルム付偏光板、その製造方法およびそれを用いた液晶表示装置 |
| WO2005029143A1 (ja) * | 2003-09-19 | 2005-03-31 | Nippon Kayaku Kabushiki Kaisha | 偏光フィルム、偏光板、及び液晶表示装置 |
| JP5211506B2 (ja) * | 2007-02-21 | 2013-06-12 | 王子ホールディングス株式会社 | 凹凸パターン形成シートならびにその製造方法、反射防止体、位相差板および光学素子製造用工程シート。 |
| JP5382843B2 (ja) * | 2007-10-31 | 2014-01-08 | 住友化学株式会社 | 偏光板の製造方法 |
| JP2010085980A (ja) * | 2008-09-03 | 2010-04-15 | Jsr Corp | 波長板およびその製造方法 |
| JP2011180211A (ja) * | 2010-02-26 | 2011-09-15 | Sumitomo Chemical Co Ltd | 偏光板、液晶パネル及び液晶表示装置 |
| JP2012003172A (ja) | 2010-06-21 | 2012-01-05 | Sumitomo Chemical Co Ltd | 偏光フィルム、偏光板及びそれらの製造方法 |
| JP5860449B2 (ja) * | 2013-11-14 | 2016-02-16 | 日東電工株式会社 | 偏光膜および偏光膜の製造方法 |
| JP5945037B2 (ja) | 2014-09-29 | 2016-07-05 | 住友化学株式会社 | 偏光板 |
| KR20160043765A (ko) | 2014-10-14 | 2016-04-22 | 스미또모 가가꾸 가부시키가이샤 | 편광자 및 이의 제조 방법 |
| KR20180006926A (ko) | 2015-05-20 | 2018-01-19 | 닛뽄 가야쿠 가부시키가이샤 | 아조 화합물 및 그것들을 함유하는 염료계 편광막 그리고 편광판 |
| JP6780930B2 (ja) * | 2015-12-02 | 2020-11-04 | 日東電工株式会社 | 光学積層体および画像表示装置 |
| JP2017062517A (ja) * | 2017-01-12 | 2017-03-30 | 日東電工株式会社 | 位相差層付偏光板および画像表示装置 |
-
2018
- 2018-08-27 TW TW107129722A patent/TWI848916B/zh active
- 2018-08-27 KR KR1020207002076A patent/KR102675981B1/ko active Active
- 2018-08-27 JP JP2018545406A patent/JPWO2019044741A1/ja active Pending
- 2018-08-27 WO PCT/JP2018/031505 patent/WO2019044741A1/ja not_active Ceased
- 2018-08-27 CN CN201880048849.2A patent/CN110945394B/zh active Active
-
2023
- 2023-01-24 JP JP2023008662A patent/JP2023053968A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002090546A (ja) * | 2000-07-10 | 2002-03-27 | Nitto Denko Corp | 偏光板およびその製造方法 |
| JP2013254072A (ja) * | 2012-06-06 | 2013-12-19 | Nitto Denko Corp | 偏光板、光学フィルムおよび画像表示装置 |
| JP2013254153A (ja) * | 2012-06-08 | 2013-12-19 | Nitto Denko Corp | 光学フィルムの活性化処理方法および製造方法、光学フィルムならびに画像表示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019044741A1 (ja) | 2019-03-07 |
| CN110945394A (zh) | 2020-03-31 |
| KR20200046016A (ko) | 2020-05-06 |
| JP2023053968A (ja) | 2023-04-13 |
| CN110945394B (zh) | 2023-06-27 |
| TW201917197A (zh) | 2019-05-01 |
| TWI848916B (zh) | 2024-07-21 |
| JPWO2019044741A1 (ja) | 2020-08-13 |
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