TWI290241B - Polarizing film and method for improving optical property of polarizing film - Google Patents

Polarizing film and method for improving optical property of polarizing film Download PDF

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TWI290241B
TWI290241B TW093135588A TW93135588A TWI290241B TW I290241 B TWI290241 B TW I290241B TW 093135588 A TW093135588 A TW 093135588A TW 93135588 A TW93135588 A TW 93135588A TW I290241 B TWI290241 B TW I290241B
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film
polarizing film
polyvinyl alcohol
polymer
item
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TW093135588A
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Chinese (zh)
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TW200617444A (en
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Lee-Chu Chen
Yao-Chung Cheng
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Optimax Tech Corp
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Priority to TW093135588A priority Critical patent/TWI290241B/en
Priority to KR1020050079817A priority patent/KR100719668B1/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polarising Elements (AREA)

Abstract

A polarizing film and a method for improving optical property of polarizing film are disclosed. The polarizing film has an adjusted isomeric ratio comprising an increased ratio of syndiotactic polyvinyl alcohol. The increased ratio of syndiotactic polyvinyl alcohol can increase the absorption of iodine ions and improve dyeing effect and the optical property of polarizing film.

Description

1290241 七、指定代表圖: (一) 本案指定代表圖為:第(六)圖。 (二) 本代表圖之元件符號簡單說明:無 八、本案若有化學式時,請揭示最能顯示發明特徵的化學式: 九、發明說明: 【發明所屬之技術領域】 本發明係關於一種偏光膜與增加偏光膜光學性質的 方法,特別是有關於一種由調整聚乙烯醇(Polyving Alcohol, PVA)薄膜中異構物的比例所形成之偏光膜¥ 以及調整PVA薄膜中異構物比例來增加偏光膜的光學性 質的方法。 【先前技術】 偏光板(Polarizing Sheet)係為液晶顯示器之關鍵性 零件組,其主要功能為控制特定光波之偏振方向,使光 通過或遮蔽,以增加黑白對比,並提供液晶顯示器必要 之顯示特性。偏光板中之主要組成元件為偏光膜,而偏 7 1290241 光膜大致可區分為吸收式及反射式兩種形式,其中吸收 式之偏光膜又可區分為〇型、E型、金屬柵型、碘系及、 染料系偏光膜。而染料系(Dye Type Polarizing Film) 及碘系偏光膜(Iodine Type Polarizing Film)係利用碰β 離子(I/及I s_)或染料分子擴散滲入一高分子薄臈層中了 例如聚乙烯醇(Polyvinyl Alcohol,PVA)薄膜層,辟 磁離子或染料分子在此高分子薄膜層中做規則性的 列,因此,可吸收平行於其排列方向的光分量,而只 垂直方向的光分量通過,並產生一具有偏極光特性 光膜。 搞 聚乙烯醇聚合物具有三種不同的立體異構物,分 為同排(Isotactic)、對排(Syndiotactic)及 f 1 (Atactic),其化學式係如下所示: β ¥ ψ Η ψ Η - - - - 一1290241 VII. Designated representative map: (1) The representative representative of the case is: (6). (2) A brief description of the symbol of the representative figure: No. 8. If there is a chemical formula in this case, please disclose the chemical formula that best shows the characteristics of the invention: IX. Description of the invention: [Technical field of the invention] The present invention relates to a polarizing film And a method for increasing the optical properties of the polarizing film, in particular, a polarizing film formed by adjusting the ratio of the isomers in the polyvinyl alcohol (PVA) film, and adjusting the proportion of the isomer in the PVA film to increase the polarizing A method of optical properties of a film. [Prior Art] Polarizing Sheet is a key component group of liquid crystal display. Its main function is to control the polarization direction of specific light waves, pass or block light to increase black and white contrast, and provide the necessary display characteristics of liquid crystal display. . The main component in the polarizing plate is a polarizing film, and the polarizing film of the 7 1290241 is roughly divided into an absorption type and a reflection type, and the absorption type polarizing film can be further classified into a 〇 type, an E type, a metal gate type, Iodine-based and dye-based polarizing films. The Dye Type Polarizing Film and the Iodine Type Polarizing Film are diffused into a polymer thin layer by a beta ion (I/Is_) or a dye molecule such as polyvinyl alcohol (for example). Polyvinyl Alcohol, PVA) film layer, magnetic ion or dye molecules in the polymer film layer to do a regular column, therefore, can absorb the light component parallel to its arrangement direction, and only the vertical direction of the light component, and A light film having a polarized light characteristic is produced. Polyvinyl alcohol polymer has three different stereoisomers, which are divided into Isotactic, Syndiotactic and F 1 (Atactic). The chemical formula is as follows: β ¥ ψ Η ψ Η - - - - One

OH OH OH OH: OH 同排異構物(isotactic)OH OH OH OH: OH isotactic

亂排異構物(atactic)Atactic

Ψ 9H H OH Η 0Η Η 〇Η Η ΟΗ 對排異構物(syndiotactic) 第一圖顯示聚乙烯醇聚合物三種異構物的杜 圖,圖中可明顯看出聚乙烯醇聚合物三種異構物 8 1290241 圖與第三圖 觀與巨觀模 氫氧基在聚 同,而產生 結構規則性 氫鍵,因此 。傳統之聚 上之空間排 ,使得偏 。另外聚乙 比例會導致 向量的程度 則分別顯示翠乙 擬立體結構。聚 乙烯醇聚合物分 不同的立體異構 ’會在聚乙烯醇 ’也影響了聚乙 乙烯醇薄膜層會 列位置的不同, 光板的穿透率 稀醇薄膜層本身 可接受之埃離子 不同,進而影響 基的位置分布差異,而第二 稀醇聚合物三種異構物的微 乙烯醇之三種異構物係根據 子主鏈上空間分佈位置的不 物,並且,由於不同的立體 聚合物產生分子間或分子内 烯醇聚合物在物性上的差異 因聚乙烯醇聚合物分子主鏈 造成染色不均勻的問題 (Transmittance )不均勻 所包含之立體異構物的不同 的量不同,造成可吸收之光 偏光板的穿透率。 聚人m估λ乙λ醇立體結構規則性’係以聚乙稀醇 聚合物在紅外線光譜圖上的波長916 cnr C二之的;及: 對排異構物 同排異構物 亂排異構物 6〇x(D9i6/D849)+ 7% 78x(D916/D849)+ 59% 18.7x(D916/d849) + 34% 有鑑於上述傳統偏光膜之缺點,因此極 加偏光膜光學性質的方法,f t出種偏先膜”备 本發明提出的目的。 啸決上述傳統偏光騎點’此Λ 【發明内容】 層色體造 膜染立, 薄成之同 醇造含不 稀,包量 乙同所的 聚不身子 統的本離 傳置層硬 為位膜之 題列薄受 問排醇接 術間稀可 技空乙致 之之聚導 決上外所 解鏈另例 欲主,比 所子象同 明分現不 發物的的 本合勻物 聚均構 因不異 9 1290241 ί;;:,光向量的程度不同’進而使得偏光板的穿透 本發 中各立體 型態之立 高分子薄 高分子薄 提供一種 步驟:提 水浸潤此 加入硼酸 膜經一預 明解決問題 異構物的比 體異構物比 膜的染色效 臈中,進而 增加偏光膜 供一同分子 高分子薄膜 溶液,而在 定之延伸倍 本發明與先 膜層中各立 體異構物比 膜的染色效 中,進而改 醇薄膜因染 對照 乙烯醇薄 型態之立 高分子薄 分子薄臈 統聚乙稀 的問題。 f技^手段係控制聚乙烯醇薄 例,特別是增加對排(Syndiotactiea 例,以增加所吸收之碘離子的量與 果二使得碘分子可以均勻地滲透g 改善偏光膜的光學性質。本發明 =性質,,此方法包;G 潯膜,接著以例如蒸餾水或去離子 。再將高分子薄膜以碘離子染色並 染色的亦同時係包含對此高分子薄 率延伸。最後,乾燥此高分子薄膜/鲁 前技術之功效,由於本發明控制聚 體異構物的比例,特別是增加對排 例,以增加所吸收之碘離子的量與 果,使碘分子可以均勻地滲邊在/高 善偏光膜的光學性質,有效解決僂 色不均所造成偏光板穿透率 【實施方式】 费現 ο 與的J£ 程用 製沿t 對所g: 中明發 明發-4 說本助 下。以 以程, ,济用 明整引 說完的 細的式 詳作點 的製重 明括做 發包僅 本不此 是並在 下述, 以描藝 之技 構有 取,α發明之可提高偏光膜之光學性質的方法中,係 彔^烯醇之對排型態立體異構物的比例增加,並控制 ^二=ϊ例範圍内。由於對排立體異構物與聚乙ί醇 能力有關,據此,將對排立體異構物在聚乙 ί ί ϊ中的比例提高,可增加碘離子被吸收之含量, ^子可均勻地吸附在高分子薄膜中,並提高偏光 10 1290241 的偏極特性,進而增加偏光膜的光學性質。 本發明之一較佳實施例中,係將一高分子薄膜 二疋一聚乙稀醇(Polyvinyl Alcohol,PVA)薄膜, ^ ί將/文潤在例如去離子水或蒸館水浸潤的時 ^ ^ 30秒〜10分鐘之間。接著將高分子薄膜乾燥 ^ ·一加熱環境下加熱,然後加入複數個二色性 ^ichroic Substance),例如峨離子(13_ 及 ΐ5·)或 t ί進行染色。此加熱溫度範圍為2〇°C〜45°C。其 f數個二色性材料係以滲透之方式加入,此外,^ f =色性材料中係包含一硼酸溶液,此硼酸溶液之 Ξ ί 1〜7%,更佳者在2〜3%,加入此硼酸溶液 :口,排立體異構物的比例,並有助於固定高分子 個二色性材料之位置,並使得染料分子均 多兮Ϊ分子薄膜中,因此,可幫助提升高分子薄膜 色效果,且可使高分子薄膜染色均勻。 、 ,特 在室" 間範 ,並 材料 染料 中, 複數 濃度 係可 薄馨 地滲 之染 的同時係 ,染色及 料分子更 碘離子或 ’可吸收 向的光向 分子薄膜 因此,可 光膜的偏 染色及延 。聚乙烯 延伸倍數 包含對 延伸後 有規則 染料分 更多平 量完全 ,其聚 使得高 光性質 伸後聚 醇聚合 約為5 此南分子 可使複數 性地分佈 子的排列 行於其排 地通過。 乙烯醇對 分子薄膜 ,更者, 乙烯醇立 物薄膜經 至6倍, 在染色 倍率的延伸 硬離子或染 上’因此, 向性,所以 並讓垂直方 延伸後的高 例可被增加 故增加了偏 學性質。而 如表一所示 達 99.9%, 5.26 倍 〇 薄膜做一預 個二色性材 在其作用力 會更具有一 列方向的光 據此,經由 排立體異構 的染色能力 提升了偏光 體異構物的 延1後的偏 而最佳延伸 定延伸· 料中之 之方向' 定之方 向量, 染色及 物的1 提升零 膜之光 比例係 光度可 倍數為Ψ 9H H OH Η 0Η Η 〇Η Η s Syndiotactic The first figure shows a diagram of three isomers of polyvinyl alcohol polymer. It is obvious that the polyvinyl alcohol polymer is three isomeric. The object 8 1290241 and the third figure are combined with the macroscopic model hydroxyl group to form a structural regular hydrogen bond, therefore. The space on the traditional gathering makes it partial. In addition, the ratio of polyethyl to the degree of vector will show the pseudo-stereoscopic structure. The different stereoisomers of polyvinyl alcohol polymer will affect the position of the polyethylene glycol film layer in the polyvinyl alcohol. The transmittance of the light plate is different from that of the acceptable film. Further affecting the difference in position distribution of the base, and the three isomers of the micro-vinyl alcohol of the three isomers of the second dilute alcohol polymer are based on the spatial distribution of the position on the sub-chain, and are produced by different stereopolymers. The difference in physical properties between intermolecular or intramolecular enol polymers is caused by the problem of uneven dyeing due to the main chain of the polyvinyl alcohol polymer molecule. Transmittance is not uniform. Different amounts of stereoisomers are included, resulting in absorption. The transmittance of the light polarizing plate. The concentration of the stereostructure of the λ-Ethyl alcohol is estimated to be 916 cnr C on the infrared spectrum of the polyethylene polymer; and: the isomers of the same row are excluded. Structure 6〇x(D9i6/D849)+ 7% 78x(D916/D849)+ 59% 18.7x(D916/d849) + 34% In view of the above disadvantages of the conventional polarizing film, the method of extremely polarizing film optical properties The purpose of the present invention is to prepare for the purpose of the present invention. The above-mentioned conventional polarized riding point 'this Λ 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 The same issue of the poly-integration of the system of the separation of the hard layer of the film is asked by the thin-selling method of the intercalation of the smear of the singularity of the singularity of the singularity of the singularity of the singularity The homogenization of the image of the object is the same as that of the present invention. The density of the light vector is different. The polymer polymer thin polymer provides a step of: water infiltration, the addition of the boric acid film by a predetermined solution to the problem of the isomers of the specific isomers than the membrane In the dyeing effect, the polarizing film is further supplied to the same molecular polymer film solution, and in the dyeing effect of the stereoisomers in the present invention and the film layer, the alcohol film is dyed against the control vinyl alcohol. The problem of thin-formed polymer thin-molecule thin-walled polyethylene. The f technique is a thin example of controlling polyvinyl alcohol, especially increasing the pair of rows (Syndiotactiea case to increase the amount of iodide absorbed and fruit) Secondly, the iodine molecule can be uniformly permeated to improve the optical properties of the polarizing film. The present invention = nature, this method package; G ruthenium film, followed by, for example, distilled water or deionized. The polymer film is dyed and dyed with iodide ions. At the same time, it also includes the extension of the thinness of the polymer. Finally, the effect of drying the polymer film/Lu former technology, because the present invention controls the proportion of the polymer isomers, in particular, increases the number of cases to increase the absorption. The amount and the fruit of the iodide ion enable the iodine molecule to uniformly bleed the optical properties of the /polarized polarizing film, effectively solving the polarizing plate penetration rate caused by uneven coloration. 】 费 ο 与 与 与 与 与 与 与 ο ο ο ο ο ο : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : Including the hairpin package, this is not the case and is described below. In the method of improving the optical properties of the polarizing film, the method of α-enolol is a stereotype of the stereoisomer. The ratio increases and controls ^2 = within the range of the example. Since the stereoisomers are related to the ability of the poly(ethylene glycol), the proportion of the stereoisomers in the polyethylene is increased. Increasing the content of iodide ions absorbed, the ^ can be uniformly adsorbed in the polymer film, and improve the polarization characteristics of the polarized light 10 1290241, thereby increasing the optical properties of the polarizing film. In a preferred embodiment of the present invention, a polymer film of a polyvinyl Alcohol (PVA) film is used, and when it is infiltrated, for example, in deionized water or steamed water, ^ 30 seconds ~ 10 minutes between. Then, the polymer film is dried by heating in a heating environment, and then a plurality of dichroic compounds (e.g., cesium ions (13_ and ΐ5·) or t ί are added for dyeing. This heating temperature ranges from 2 ° C to 45 ° C. The f-number of dichroic materials are added by infiltration, and further, the ff color material contains a boric acid solution, and the boric acid solution is 〜 ί 1 to 7%, more preferably 2 to 3%, Adding this boric acid solution: the proportion of the stereoisomers in the mouth and the column, and helping to fix the position of the polymer dichroic material, and making the dye molecules more in the molecular film, thus helping to enhance the polymer film The color effect is obtained, and the polymer film can be uniformly dyed. , in the special room, and in the material dyes, the multiple concentrations can be thinned and smeared at the same time, the dyeing and material molecules are more iodide ions or 'absorbable light toward the molecular film. Therefore, light can be Partial dyeing and elongation of the film. Polyethylene extension ratios include the addition of regular dyes after stretching. More uniformity, such that the high-light properties of the polymer after stretching are about 5. This southern molecule allows the arrangement of the complex distribution to pass through the row. The vinyl alcohol on the molecular film, more, the vinyl alcohol film is subjected to 6 times, the hardening of the dyeing magnification is extended or dyed, so the directionality, so the high case after the vertical extension can be increased a biased nature. As shown in Table 1, 99.9%, 5.26 times 〇 film to make a pre-two-color material in its force will have a column of light, according to this, through the stereoscopic dyeing ability to enhance the polarization of the isomer After the extension of the object, the extension of the extension is optimally extended. The direction in the material is determined. The amount of direction is determined. The ratio of the light of the dye to the light of the film is plentiful.

11 1290241 原膜 13.50 42.00 44.90 0 5倍 3.29 49.56 47.36 99.908 5.26 倍 1.23 51.36 47.83 99.927 6倍 8.86 45.57 46.02 99.912 溫子延在廣作於因及 子異烯異♦構 接著,將此高分子薄膜置於一烘箱中乾燥,加熱 度範圍為25°C~45°C。加熱此高分子薄膜可去除高$ 薄膜中所包含之溶劑。最後,由於高分子薄臈在經過 伸之後,其機械性質會降低並變得容易碎裂,因此, 高分子薄膜之上表面及下表面分別形成一保護層,例 三醋酸纖維(Triacetyl-Cellulose,TAC)薄膜層,以 為支撐保護高分子薄膜且防止高分子薄膜回縮1且由 保護層具有低濕氣滲透性(moisture permeability丨, 此,可用來保護高分子薄膜避免來自外在環境中濕氣 南溫的損害。 ' 第四圖顯示聚乙烯醇同排立體異構物與磁離 (I〆)的立體結構,而第五圖顯示聚乙烯醇對排立體 構物與碘離子()的立體結構。第六圖則顯示聚乙 醇聚合物同排立體異構物與碘離子(15-)及對排^體 構物與蛾離子(I〆)分子鍊群經高倍數延伸後的立體 構,經高倍數延伸後,聚乙烯醇聚合物中同排立體異 物的比例降低而對排立體異構物的比例則升高。 〆、 要說明的是,利用本發明所述之可提高偏光膜光與 性質之方法來增加偏光膜中聚乙烯醇之對排立體異構J 的比例,形成一具有高偏光性質之偏光膜結構。將此纤 構加入一顯示裝置之應用中時,由於偏光臈具有染色g 句且良好的染色效果,因此,當提供一入射&源^此顯 不裝置中時,可提高入射光偏極化的程度,亦即可得•到 包含本發明之具有高光學性質偏光膜的顯示裝置。f 12 l29〇24i 本路以上所述僅為本發明之較佳實施例’並非用以限定 術=之ί請專利權利;同時以上之描述對於熟知本·技 發3 t ί專門人士應可明瞭及實施,因此其他未脫離本 含^所揭路之精神下所完成的等效改變或修飾,均應 丑下述之申請專利範圍中。 · 【圖式簡單說明】 更明i 讓Τ本η上述之其他目的、特徵、和優點能 作如/舉一較佳實施例,並配合所附圖式, 圖 ;第一圖顯示聚乙烯醇聚合物三種異構物的結構簡 立體i:,顯示聚乙烯醇聚合物三種異構物的微觀模擬 立體li,顯示聚乙稀醇聚合物三種異構物的巨觀模擬 的立示聚乙烯醇同排立體異構物與碘離子(1 的立以籌顯1聚乙婦醇對排立體異構物與碘離子(v) 伸後的立體結構變化 乃1則顯示聚乙烯醇聚合物同排與碘離子(I -) =巧ϊ”ί勿與蛾離子(ν)分子鍊群經高;Λ)延 13 1290241 【主要元件符號說明】11 1290241 Original film 13.50 42.00 44.90 0 5 times 3.29 49.56 47.36 99.908 5.26 times 1.23 51.36 47.83 99.927 6 times 8.86 45.57 46.02 99.912 Wenzi Yan is in the process of cultivating the polymer and placing the polymer film in an oven. Medium drying, heating range from 25 ° C to 45 ° C. Heating the polymer film removes the solvent contained in the high film. Finally, since the mechanical properties of the polymer thinner are reduced and become easily broken after being stretched, a protective layer is formed on the upper surface and the lower surface of the polymer film, for example, Triacetyl-Cellulose, The TAC) film layer is used to support the protective polymer film and prevent the polymer film from retracting 1 and has a low permeability of the protective layer (moisture permeability), which can be used to protect the polymer film from moisture from the external environment. Damage to the south temperature. 'The fourth figure shows the stereostructure of the stereoisomers and magnetic separation (I〆) of the same row of polyvinyl alcohol, while the fifth figure shows the stereoscopic structure of the polyvinyl alcohol on the stereostructure and the iodide (). Structure. The sixth figure shows the stereostructure of the same-row stereoisomer and the iodide ion (15-) of the polyethanol polymer and the molecular chain group of the tandem structure and the moth ion (I〆). After stretching at a high magnification, the proportion of the stereoisomers in the same row in the polyvinyl alcohol polymer is lowered and the ratio of the stereoisomers in the row is increased. 〆, it is to be noted that the polarizing film can be improved by using the invention. versus a method of increasing the ratio of the stereoisomers of the polyvinyl alcohol in the polarizing film to form a polarizing film structure having a high polarizing property. When the fiber is added to a display device, the polarizing film has a dyeing effect. g sentence and good dyeing effect, therefore, when an incident & source device is provided, the degree of polarization of the incident light can be increased, and the polarized light having high optical properties including the present invention can be obtained. The display device of the film. f 12 l29〇24i The above description is only the preferred embodiment of the present invention 'is not intended to limit the patent rights of the invention; and the above description is well known to the technology 3 t ί Specialists should be able to understand and implement, so other equivalent changes or modifications that have been made without departing from the spirit of this road should be ugly in the scope of the patent application below. · [Simple description] The other objects, features, and advantages of the present invention will be described as a preferred embodiment and in conjunction with the accompanying drawings. FIG. 1 shows the structure of the three isomers of the polyvinyl alcohol polymer. Stereo i:, display poly The microscopic simulation of the three isomers of the enol polymer, the stereoscopic li, shows the macroscopic simulation of the three isomers of the polyvinyl alcohol polymer, the vertical stereoisomer of polyvinyl alcohol and the iodide ion (1) The stereostructure change of the stereoisomer and the iodide ion (v) after the display of the polyephedol is 1 and the polyvinyl alcohol has the same row and iodide ion (I -) = ϊ ϊ Ion (ν) molecular chain group is high; Λ) extension 13 1290241 [Main component symbol description]

Claims (1)

1290241 li 、申請專利範圍: 1·一種偏光膜,該偏光膜包含: 百八,气以+水浸潤30秒至10分鐘,後經染色、浸泡重量 柚^ ^艾在丨〜7 Wt%的爛酸溶液及預定倍數約5一6倍延 膜,^ :對排、同排與亂排異構物之聚乙烯醇聚合物薄 錄兮^ ,排異構物於聚乙烯醇聚合物中之含量比例係 ‘ S取,ίι數延伸及浸泡侧酸溶液後增加,而同排異構 ;♦八烯醇聚合物中之含量比例則減少;及 面之-为仅另i位於該聚乙稀醇聚合物薄膜之上表面及下表 W < 保5蔓層。 5範圍第1項所述之偏光膜,其中上述之聚乙 蹲%t合物溥膜係以碘離子染色。 3乙範圍第1項所述之偏光膜,其中於上述之聚 G烯%溥胰係以去離子水進行澎潤。 I 項所述之偏光膜,其,上述之預定 專利範圍第1項所述之偏光膜,其中上述之保言崔 曰…一二醋酸纖維(Triacetyl-Cellulose,TAC)薄膜層 1、^ 7 · 一 提高偏光膜光學性質之方法,包含·· 物包含f+i彰乙稀醇聚合物薄膜,該$乙烯醇聚合 』對排、同排與亂排異構物; 及一H之'烯醇聚合物薄膜染色,其中包含加入峨離子 、里I为濃度為1-7 wt%妁硼酸水溶液;及 以預定倍數延伸該聚乙烯醇薄膜,其中對排異構物於 15 1290241 f ? / j 、.w正 “ —.,.. 聚乙烯户取 一一—一一一一一一— 蝴酸溶2 ί二f中=ΐ量比例經該預定倍數延伸及浸泡-含量比例ϋί:排異構物於聚乙烯醇聚合物中之 方法申圍、第7項所述之形成偏光膜光學性質之 包含加I一 乂 i述之彰潤該聚乙烯醇薄膜之步驟中,係 去離子水以澎潤該聚乙烯醇薄膜。 請3範圍$ 7項所述之可提高偏光膜光學性質 瞑。更匕含於25°C — 45°C溫度下乾燥該聚乙烯醇薄 之上:凊專利範圍第7項所述之可提高偏光膜光學性質 法’其中上述之硼酸水溶液之更佳濃度為2 一 3 %。 ^ 申請專利範圍第7項所述之可提高偏光膜光學性質 法’其中上述之預定倍數約為5至6倍,最佳為5.26 12·如申請專利範圍第7項所述之可提高偏光膜光學性質 之方法’更包括提供至少一保護層於該聚乙烯醇薄膜之 一上或一下表面上。 1 3 ·如申請專利範圍第i 2項所述之可提高偏光膜光學性 質之方法,其中上述之保護層為一三醋酸纖維 (Triacetyl-Cellulose,TAC)薄膜層。 161290241 li, the scope of application for patents: 1. A polarizing film, the polarizing film comprises: one hundred eight, gas infiltrated with water for 30 seconds to 10 minutes, after dyeing, soaking weight pomelo ^ ^ Ai in the 丨 ~ 7 Wt% of the rotten The acid solution and the predetermined multiple are about 5-6 times of the film, ^: the polyvinyl alcohol polymer of the row, the same row and the disordered isomer is recorded, and the content of the isomer in the polyvinyl alcohol polymer is The ratio is 'S taken, ίι number is extended and soaked in the side acid solution, and the same row isomerized; ♦ the content ratio of the octaenol polymer is reduced; and the surface is only the other i is located in the polyethylene glycol The upper surface of the polymer film and the following table W < 5 layers. The polarizing film according to the item 1, wherein the polyethyl hydrazide % t 溥 film is dyed with iodide ions. The polarizing film according to Item 1, wherein the poly-Gene% pancreatic is moistened with deionized water. The polarizing film according to Item 1, wherein the above-mentioned polarizing film according to Item 1 of the above patent scope, wherein the above-mentioned triacetyl-Cellulose (TAC) film layer 1, ^ 7 · A method for improving the optical properties of a polarizing film, comprising: a f+i ethylene glycol polymer film, the vinyl alcohol polymerizing, the same row and the disordered isomer; and an H-enol The polymer film is dyed, comprising adding cerium ions, wherein I is a 1-7 wt% aqueous solution of cerium borate; and extending the polyvinyl alcohol film at a predetermined multiple, wherein the isomers are at 15 1290241 f? /j, .w 正正———,.. Polyethylene households take one-one-one-one-one-one-one-one-one acid-soluble 2 ί2f=ΐ ratio is extended by the predetermined multiple and soaked-content ratio ϋί: row isomerism The method for forming a polyvinyl alcohol polymer, the optical property of forming a polarizing film according to item 7, and the step of adding the polyvinyl alcohol film to the film of the polyvinyl alcohol film Run the polyvinyl alcohol film. Please increase the optical properties of the polarizing film as described in the 3 range of $7. Further, it is required to dry the polyvinyl alcohol on a thin surface at a temperature of 25 ° C to 45 ° C: the optical property of the polarizing film can be improved as described in Item 7 of the patent scope, wherein the preferred concentration of the above aqueous boric acid solution is 2 3%. ^ The method for improving the optical properties of polarizing film according to item 7 of the patent application scope is as follows: wherein the predetermined multiple is about 5 to 6 times, preferably 5.26 12 · as described in item 7 of the patent application scope The method for improving the optical properties of the polarizing film further comprises providing at least one protective layer on one or the lower surface of the polyvinyl alcohol film. 1 3 · The polarizing film optics can be improved as described in the scope of claim 2 The method of the above, wherein the protective layer is a triacetyl-Cellulose (TAC) film layer.
TW093135588A 2004-11-19 2004-11-19 Polarizing film and method for improving optical property of polarizing film TWI290241B (en)

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