JP3923062B2 - 液晶配向フィルムの製造方法、液晶配向フィルム、光学フィルムおよび画像表示装置 - Google Patents
液晶配向フィルムの製造方法、液晶配向フィルム、光学フィルムおよび画像表示装置 Download PDFInfo
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- JP3923062B2 JP3923062B2 JP2005044035A JP2005044035A JP3923062B2 JP 3923062 B2 JP3923062 B2 JP 3923062B2 JP 2005044035 A JP2005044035 A JP 2005044035A JP 2005044035 A JP2005044035 A JP 2005044035A JP 3923062 B2 JP3923062 B2 JP 3923062B2
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- 101001104566 Homo sapiens Proteasome assembly chaperone 3 Proteins 0.000 description 1
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- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
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- 239000003513 alkali Substances 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
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- GAUZCKBSTZFWCT-UHFFFAOYSA-N azoxybenzene Chemical compound C=1C=CC=CC=1[N+]([O-])=NC1=CC=CC=C1 GAUZCKBSTZFWCT-UHFFFAOYSA-N 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
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- JRXXLCKWQFKACW-UHFFFAOYSA-N biphenylacetylene Chemical group C1=CC=CC=C1C#CC1=CC=CC=C1 JRXXLCKWQFKACW-UHFFFAOYSA-N 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
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- 229920005549 butyl rubber Polymers 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
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- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical compound [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 description 1
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- 238000005401 electroluminescence Methods 0.000 description 1
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- 125000003700 epoxy group Chemical group 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
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- 235000011187 glycerol Nutrition 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
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- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 125000005462 imide group Chemical group 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- 238000007733 ion plating Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000002651 laminated plastic film Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- SEEYREPSKCQBBF-UHFFFAOYSA-N n-methylmaleimide Chemical compound CN1C(=O)C=CC1=O SEEYREPSKCQBBF-UHFFFAOYSA-N 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
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- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
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- 230000005693 optoelectronics Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229940090668 parachlorophenol Drugs 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- FCJSHPDYVMKCHI-UHFFFAOYSA-N phenyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OC1=CC=CC=C1 FCJSHPDYVMKCHI-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920003055 poly(ester-imide) Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920006300 shrink film Polymers 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000003568 thioethers Chemical group 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 125000006617 triphenylamine group Chemical group 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000008096 xylene Substances 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
- G02B5/3016—Polarising elements involving passive liquid crystal 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
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/02—Alignment layer characterised by chemical composition
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Electroluminescent Light Sources (AREA)
Description
工程(1)では、透明基材フィルムをラビングにより配向処理する。
透明基材フィルムは、液晶材料を配向させる温度で変化しないものであれば特に制限はなく、たとえば、単層または積層の各種プラスチックフィルムやガラス板、金属等を使用できる。プラスチックフィルムとしては、たとえば、ポリエチレンテレフタレート、ポリエチレンナフタレート等のポリエステル系ポリマー、ジアセチルセルロース、トリアセチルセルロース等のセルロース系ポリマー、ポリカーボネート系ポリマー、ポリメチルメタクリレート等のアクリル系ポリマー等の透明ポリマーからなるフィルムがあげられる。またポリスチレン、アクリロニトリル・スチレン共重合体等のスチレン系ポリマー、ポリエチレン、ポリプロピレン、環状ないしノルボルネン構造を有するポリオレフィン、エチレン・プロピレン共重合体等のオレフィン系ポリマー、塩化ビニル系ポリマー、ナイロンや芳香族ポリアミド等のアミド系ポリマー等の透明ポリマーからなるフィルムもあげられる。さらにイミド系ポリマー、スルホン系ポリマー、ポリエーテルスルホン系ポリマー、ポリエーテルエーテルケトン系ポリマー、ポリフェニレンスルフィド系ポリマー、ビニルアルコール系ポリマー、塩化ビニリデン系ポリマー、ビニルブチラール系ポリマー、アリレート系ポリマー、ポリオキシメチレン系ポリマー、エポキシ系ポリマーや前記ポリマーのブレンド物等の透明ポリマーからなるフィルムなどもあげられる。透明基材フィルムとしてはトリアセチルセルロースフィルムやノルボルネン樹脂フィルム、オレフィン系フィルムが好適である。
工程(2)では、剥離力0.5N/50mm以下の表面保護シートを前記配向処理面に貼合する。
工程(3)では、前記表面保護シートを剥離した後に、前記配向処理面に液晶モノマーおよび/または液晶ポリマーを含有する液晶材料を塗工する。
で表されることが好ましく、A1およびA2は同じ基であることが好ましい。
工程(4)では、前記液晶材料を配向させた後、液晶配向層を固定化する。これにより液晶配向層を固定化して液晶配向フィルムが得られる。
ネマチック液晶相を示す液晶モノマー(BASF社製,PaliocolorLC242)10gおよび光重合開始剤(チバスペシャリティケミカルズ社製,イルガキュア907)3g(対重合性液晶化合物)をトルエン40gに溶解した溶液を調製した。
表面保護シート(150mm×50mm)を、トリアセチルセルロースフィルムに貼り合わせ、23℃で、20分間放置した後、180°ピールにて300mm/minのスピードで表面保護シートを剥離した場合の力(N/50mm)を、引張試験機(オリエンテック(株)製,テンシロン)を用いて測定した。
液晶配向フィルムを得るとは別に、透明基材フィルムから表面保護シートを剥離した直後の帯電状態を確認した。透明基材フィルムから表面保護シートを剥離した直後に、その透明基材フィルム面に、プラスに帯電した青色トナーと、マイナスに帯電した赤色トナーを降りかけた後、付着していないトナーを落として、付着したトナーの色分布を目視にて確認した。青色トナーのみが付着している場合には、表面が均一にマイナスに帯電していると判断でき、赤色トナーのみが付着している場合には、表面が均一にプラスに帯電していると判断できる。赤色トナーと青色トナーが混在している場合には、表面の帯電状態が不均一であると判断できる。実施例1において、判断対象とした、付着したトナーの色分布を示す写真を図1に、比較例2に係わる写真を図2に示す。
トリアセチルセルロースフィルム表面を、レーヨン布でラビングにより配向処理した後、直ちに、剥離力0.05N/50mmの表面保護シートを貼合した。表面保護シートは積水化学(株)製の6221Fを用いた。表面保護シートの基材層(厚み50μm,ポリエチレン)と粘着層(エチレン・酢酸ビニル共重合体)を共押出しにより作製したものである。次いで、液晶材料の塗工液を塗工直前に、表面保護シートを剥離(180°ピール)して、前記配向処理面に前記塗工液をワイヤーバー#10で塗工した。90℃で5分間乾燥して液晶材料を配向させた後、メタルハライドランプにて1mJ/cm2の光を照射し、液晶層を固化して、厚さ2μmの液晶配向フィルムを得た。
実施例1において、表面保護シートとして、剥離力0.1N/50mmのものを用いたこと以外は実施例1と同様にして液晶配向フィルムを得た。表面保護シートは(株)サンエー化研製のサンテクトPAC3を用いた。表面保護シートの基材層(厚み60μm,ポリエチレン)と粘着層(エチレン・酢酸ビニル共重合体)を共押出しにより作製したものである。
実施例1において、表面保護シートとして、剥離力0.3N/50mmのものを用いたこと以外は実施例1と同様にして液晶配向フィルムを得た。
実施例1において、表面保護シートを用いなかったこと以外は実施例1と同様にして液晶配向フィルムを得た。比較例1においては、トリアセチルセルロースフィルムとロールとの接触がみられた。
実施例1において、表面保護シートとして、剥離力1.5N/50mmのものを用いたこと以外は実施例1と同様にして液晶配向フィルムを得た。表面保護シートは(株)サンエー化研製のY−16Fを用いた。
実施例1において、表面保護シートとして、剥離力1.0N/50mmのものを用いたこと以外は実施例1と同様にして液晶配向フィルムを得た。表面保護シートは日東電工(株)製のE−MASKを用いた。
日東電工社製の偏光板(SEG1425DU)を2枚用意し、直交状態を作り、その間に、上記で作成した液晶配向フィルム(位相差板)をラビング方向が偏光板の一方の吸収軸(または透過軸)に揃えて配置した。これについて、村上色彩社製DOT−3にて、透過率Y(%)を測定した。ラビング配向角が乱れると透過率が上昇し、配向性が低下していることが確認できる。透過率は、0.1%以下であれば、液晶がラビング方向に一様に配向している状態であると判断でき、これを良好とした。それ以外を不良とした。
Claims (6)
- 透明基材フィルムをラビングにより配向処理する工程(1)、剥離力0.5N/50mm以下の表面保護シートを前記配向処理面に貼合する工程(2)、前記表面保護シートを表面保護シートの剥離時に、透明基材フィルムがプラスまたはマイナスのどちらかの電荷に一様に帯電するように剥離した後に、前記配向処理面に液晶モノマーおよび/または液晶ポリマーを含有する液晶材料を塗工する工程(3)、前記液晶材料を配向させた後、固定化する工程(4)を含むことを特徴とする液晶配向フィルムの製造方法。
- 表面保護シートは基材層と粘着層を有し、これらが共押出しにより、または基材層に粘着層を塗工することにより作製されたものであること特徴とする請求項1に記載の液晶配向フィルムの製造方法。
- 基材層がオレフィン系樹脂を有し、粘着層がエチレン・酢酸ビニル共重合体を有することを特徴とする請求項2に記載の液晶配向フィルムの製造方法。
- 請求項1〜3のいずれかに記載の液晶配向フィルムの製造方法により得られた液晶配向フィルム。
- 請求項4記載の液晶配向フィルムが、少なくとも1つ用いられていることを特徴とする光学フィルム。
- 請求項5記載の光学フィルムを適用した画像表示装置。
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TW094125199A TW200622424A (en) | 2004-08-02 | 2005-07-26 | Method for manufacturing liquid crystal alignment film, liquid crystal alignment film, optical film and image display device |
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US11372288B2 (en) | 2018-01-25 | 2022-06-28 | Lg Chem, Ltd. | Multilayer liquid crystal film, polarizing plate and method for preparing polarizing plate |
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