TWI265324B - Method for manufacturing optical layered body, elliptically polarizing plate and circularly polarizing plate comprising the layered body, and liquid crystal display - Google Patents

Abstract

A method for manufacturing optical layered body is characterized in comprising the following processes: a first process of adhering a liquid crystal substance layer having the alignment of the liquid crystal fixed and being formed on an alignment substrate to a removable substrate via an adhesive layer, and then peeling the alignment substrate off to transfer the liquid crystal substance layer onto the removable substrate to obtain a layered body (A) consisting of the removable substrate/adhesive layer/liquid crystal substance layer; or a first process of adhering a liquid crystal substance layer having alignment of the liquid crystal fixed and being formed on an alignment substrate to a removable substrate 1 via an adhesive layer 1, stripping the alignment substrate to transfer the liquid crystal substance layer onto the removable substrate 1, adhering the liquid crystal substance layer and a removable substrate 2 via an adhesive layer 2, and stripping the removable substrate 1 to transfer the layers onto the removable substrate 2 to obtain a layered body (A) consisting of the adhesive layer 1/liquid crystal substance layer/adhesive 2/removable substrate 2; a second process of laminating a polymer stretched film and a polarizing plate via a self-adhesive (adhesive) layer to obtain a layered body (B) consisting of the polarizing plate/self-adhesive (adhesive) layer/polymer stretched film; and a third process of stripping the removable substrate of the layered body (A) before or after laminating the layered bodies (A) and (B). The above manufacturing method is provided for layering an optical element consisting of a liquid crystal substance layer having no supporting substrate film.

Description

1265324

1265324 V. INSTRUCTIONS (2) Use of film The positional film has a range of cholesterol polarizing plates. The above-mentioned wavelength plate is increased, for example, by a large-scale relative display device for producing a circular polarizing film unit. Although it is still limited by the optically avoidable increase, the shape is not established to solve the above use without support. For example, a polymer-extended laminate film represented by polycarbonate for color compensation in an STN liquid crystal display device, and a circular polarizing plate for a transflective display device having a quarter-wavelength plate and a 1/2-wave wide-field quarter-wavelength plate. Or a wide-area circle obtained by laminating a different type of Cholesteric film from a 1/4 wavelength plate and a 1/2 wavelength plate to obtain a wide-area 4 / 4 method disclosed in Japanese Patent No. 3236 304 The layers are stacked and used in a liquid crystal display device. The use of laminates to achieve the other aspects of optical sputum's legacy of mobile phone or mobile information and the need for thinner and lighter weights in recent years, due to the thinner and lighter requirements of optical films. As a result, there have been attempts to thin the polymer stretch film and the like, but the characteristics or process limitations, and the thickness at the time of lamination is a considerable problem. + degrees..., the problem is that there is a method of laminating an industrial component manufactured by the liquid crystal material layer of the substrate of the above-mentioned JP-A-8-28849 substrate. </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> < Desc/Clms Page number> = Optics to provide a liquid crystal substance that is made of a thinner and superior optical function:: 搂, force optical film ‘Deeply review liquid crystal material from unsupported substrate

V. Description of the invention (3) The method of layering the elements of the element~ The means of solving the problem ί Da ί J::J ί ^ Firstly provided - the substrate / adhesive for optical layering, night::f : 7: Steps · (1) From the re-peeling step, the preparation of the layered layer of the 4th day, and the preparation of the layered body (A) is followed by re-peeling: 2 ΤΙ fixing: the layer of the coffee substance By the step of transferring on the re-peelability two (the preparation step of the laminate of the liquid crystal material layer: the yttrium-extending film (8), the plate; and: 3) the second adhesive layer (adhesive agent) Layer 3) After the above-mentioned polarized light, the third step of stripping the releasable substrate before bonding the tantalum laminate (Α) to the laminate (Β) or to the laminate (Α) is to == = Method for manufacturing an optical layered body, which is characterized by the following steps: (1) by the adhesive #1 / visit 曰仏# Re-determined: / material layer (four) in the re-striping board!:, The alignment substrate causes the liquid crystal material layer 1 to be transferred and then re-formed; the core 2: 4; the liquid crystal material layer is written by the adhesive layer 2 to the re-peelability i = and :) the sub-stretch film constitutes a laminate (8) preparation; S' connection Agent: the above laminate (A) and laminate (beta]) bonded or attached to the front five 1,265,324, the invention is described in (4) 'The present invention said laminate layer formed white spoon months under the above state of the liquid crystal material. This issue is formed by the patent van ijj. The scope of the patent of the present invention is formed. The present invention includes the above &amp; The third step of stripping the releasable substrate in the body (A). There is still a method for producing an optical layered body, which is characterized in that the layer is composed of an optically positive axis, which is a ^ 仏 ^ 夜 夜 夜 夜 夜 夜 夜 夜 夜 夜 夜 夜 夜(nematic) an elliptically polarizing plate is provided for the liquid crystal material having a fixed orientation and a point n, and 曰曰~, and the j: column μ + charge is: ρ manufactured by the manufacturing method as described in Φ 1 or 2 An optical layered body of a π I is further provided with a circular polarizing plate characterized by: an optical layered body produced by the manufacturing method according to the item 1 or 2; a liquid crystal display device is further provided, characterized in that In the elliptically polarizing plate or circular polarizing plate. '^ The term "/" refers to the interface between the layers, and the same method is used hereinafter. [Embodiment&lt;J&gt; The polymer in the state or the liquid crystal material layer in which the N-vinyl hydrazine is fixed in the direction of the alignment, the alignment layer obtained by the alignment, the alignment of the liquid crystal material, and the alignment of the liquid crystal material. , #,人/, 疋化方式, for example, in the high-sorting right β-direction m rapid cooling to the vitrification state, the low-molecular or high-molecular liquid crystal material with anti-mite E-energy group after the functional group reaction (hardening, bridging) Etc.) to give 苴囡&amp; the above reactive functional groups such as ethylene (V-based) acrylate groups,

7042-6079-PF(N2).ptd 1265324 V. Description of the invention (5) An oxy group, an epoxy group, an oxypropylene group, a carboxyl group, an amine group, a trans group, an isocyanate group, an acid reduction or the like. The functionalization reaction is carried out in accordance with a suitable method. The liquid crystal material which can be used for the liquid crystal material layer can be selected from a wide range of low molecular liquid crystal materials or high molecular liquid crystal materials depending on the use or production method of the liquid crystal film, but a polymer liquid crystal material is preferred. The molecular shape of the liquid crystal material may be a rod shape or a disk shape. For example, a disk liquid crystal compound having a disc nematic liquid crystal property can be used. The liquid crystal phase before the immobilization may have a liquid crystal phase of a nematic type, a twisted nematic type, a cholesteric type, a mixed nematic type, a mixed twisted nematic type, a disc nematic type, or a smectic phase (s m e c t i c ). The polymer liquid crystal material may be various kinds of primary bond type polymer liquid crystal materials, side bond type polymer liquid crystal materials, or a mixture thereof. The main chain type polymer liquid crystal material is, for example, polysulfonate, polyamine, polycarbonate, polyamine, polyamine phthalate, Benzimidazole, polybenzoxazole Forest line (Pol y be nz ox azole), benzithiazole, azomethine, pol yes ter amide, polyestercarbonate, polyester A mixture of a p〇lyesteramide or the like or a polymer liquid crystal material. The side chain type polymer is, for example, a polyacrylic acid type, a polyacrylic acid type, a polyethylene type, a polysiloxane type, a polyether type, a polymalonate type, or a polyester type, which is linear or cyclic. The main chain has a side chain-bound polymer liquid crystal material or a mixture of the above liquid crystal materials. In the above liquid crystal materials, the ease of synthesis and alignment is considered to use the main chain.

7042-6079-PF(N2).ptd Page 10 1265324 V. Description of the invention (6) The polyester in the polymer liquid crystal material is preferred. Small molecular substances such as saturated benzoic acid, unsaturated anthracene, biphenyl carbonate, aromatic oxydecanoic acid, Schiff's salt = Shiff salt, bisazomethine a liquid crystal compound having a terminal end of the reactive functional group such as an azo compound, an azo compound, a cyclohexane vinegar compound or a sterol compound (ster〇1) or a bridge compound added thereto to exhibit liquid crystallinity. A composition of a compound. Further, the general dimorphic compound may be a triphenylene (TriPhenylene) or a paraformaldehyde: ruthenium, and it is preferable that the functional group or site which can be heated or light-generated by each compound in the liquid crystal substance is not hindered from liquid crystal display. The functional groups which can be subjected to the reaction are as described above for various reactive functional groups. Wood &quot;^anti-liquid crystal material f layer alignment fixing process ^The above-mentioned liquid crystal needs to be added to the various compound compositions to be coated in the molten state, or the solution of the above composition is applied to the alignment substrate, after Drying, heat treatment (alignment of liquid crystal), and if necessary, by photo-film treatment (polymerization, bridging), etc. to fix the alignment of the liquid crystal. Or the preparation of the above solution is as long as it can dissolve the crystal material or the composition, and the others are not particularly limited. One is a ketone such as liquid ketone or mercaptoethyl ketone, butoxy group. Ethyl alcohol uses such as B (But〇Xyethylalc〇h〇1), oxydiethyl, decyloxy and other key alcohols, ethylene glycol dimethyl hydrazine, diethylene dimethyl ether dimethyl ether, ethyl acetate methoxy Vinegars such as propyl group, ethyl lactate, etc.: vinegar and other quinones, dimethyl hydrazine (N, N_Dlmethylf (mnamid gas 曱 ~ 曱

Page 11 1265324 V. Inventive Note (7) &quot; N, N-Dimethylacetamide, Niethylpyridine and other amides, chloroform, tetrachloroethane, dichlorobenzene, etc. Hydrogen or a mixture thereof. Further, a surfactant, an antifoaming agent, a leveling agent or the like may be added to the solution in order to form a coating layer of the same on the alignment substrate. Dichroism can be added without hindering liquid crystallinity: Dye to achieve coloration (4). In addition, in order to align the substrate: shape, coating, can add a surfactant, defoamer, smoothing, ::ΐ in the solution, can prevent the liquid crystal property, can add dichroic dye or Coloring purpose. People can use the method of coating. As long as the uniformity of the coating can be ensured, the feather can be used. For example, 'roll c〇at' method, heart: method: dip coat method, spin coating, etc., earth/main cloth can be heated or blown by hot air to help remove and dry. After the coating is dried, the film 戽A h A / / back (dry m two from ▲ to 0 is 50, preferably 0 · 'more 0 0. 3-10. Outside of this range, the resulting liquid crystal ^ 4 ·The performance is easy to be #, and the alignment of the liquid crystal material is also the light of the second shell layer. The liquid crystal is aligned by heat treatment or the like. The second heat treatment is heated to the temperature range of the liquid crystal phase; the self-alignment performance of the solid shell is achieved. Alignment. 埶^ The liquid crystal phase depends on the liquid crystal phase of the liquid crystal material, the soil condition and the limit value. However, usually at 1〇-30〇G = 2, the difference is 'unable' - the liquid crystal cannot be aligned, :: Between 3 〇 2 5 曰〇 C. Too low temperature damage to the alignment substrate. And about 埶 Zhan:: Day: The decomposition of matter will be dangerous, preferably 1 -3 -3 - 2 heat ratio = 4 days! Usually in 3 seconds, the ratio is shorter than 3 seconds.

1265324 V. INSTRUCTIONS (8) Cheng's more than 60 points and unfavorable mass production, so both are not good. The liquid crystal material of one is finished by heat treatment, and then normalized on the substrate. The σ-pass method is used to carry out the solid-polymerization of the ' 醯 醯 酉 酉 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 (PES), poly maple, polyethylene terephthalate, pen (

Polyethylene Naphthalate), polyarylate, epoxide vinegar, age tree g, etc. If the above-mentioned film is not subjected to treatment to re-express the liquid crystal material used in the present invention, sometimes it can also achieve sufficient directional function, / when the alignment is insufficient or the alignment can not be exhibited, the film can be oriented, but when heat is extended, and artificially Silk cloth and the like are copied in the same direction, rubbing treatment at the temperature, or sub-brewing on the film, that is, a so-called alcohol, decane coupling agent, etc., such as a so-called alcohol, polyethylene, or oxidized stone Oblique steaming treatment = rubbing into the alignment film to reveal. According to the above method, the alignment treatment can be performed by the alignment treatment of the metal plate or the like to the substrate film. The processing method can be appropriately selected as the arbitrary side = the liquid crystal film on the upper long type alignment substrate is not particularly limited herein: in particular, a predetermined angle in the direction of the processing film MD, depending on the length of the film, The continuous thinning is treated with the alignment of the predetermined angle, and the alignment is performed obliquely. In the axial direction of the optical characteristics, the night crystal film is optimized, and the long film can be formed on the surface of the roll. The fine surface or the various glass plates can also be used as the aluminum for the alignment. , 铁献Α Λ ^ . * Only use 7042-6079-PF (N2).ptd 13 1265324 V, invention description (9) r〇U-to-roil) way fit ~ change rate.疋 大幅 疋 疋 疋 疋 大幅 大幅 大幅 大幅 大幅 大幅 大幅 大幅 大幅 大幅 大幅 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成 成The layer 1 is then required to be attached to the liquid crystal material. The substrate (or the re-peelable substrate 1) has sufficient re-peelability substrate to be removed from the re-peelability step, and σ can be used for the optical characteristics of the subsequent step, and the type thereof is special; The adhesive layer 2 which is inferior to the liquid crystal material delaminating substrate 2 can also be used in the same manner, and the adhesive agent can be transferred to the remanufactured, for example, an acrylic 蜊. The system, the epoxy resin system, the ethyl acetate acetic acid methyl vinegar resin system, the polyethylene sulphate system, and the like, the rubber system and the ammonia hydrazine agent also contain the protective liquid 曰曰 "t:; These adhesives can also be used as the above-mentioned adhesives, transparent protective layer properties, the same or different composition of components. 4曰1 person carrier layer 2 can be reacted by the aforementioned reactive substances &lt; ingredients, adhesives The reaction temperature is determined according to the reaction conditions of the adhesive. For example, photohardening is used: day: the appropriate photoinitiator is selected individually, and various conventional xenon lamps are added with metal dentate % = Argon lamp, laser, synchronized with such as mercury lamp, low-pressure mercury lamp, irradiation amount - generally 2_ mJ two light: two sources of irradiation, the absorption field of the cumulative initiator and the light source of light source is 1〇-1〇〇〇 mJ. However, when the photo-compound itself has a wavelength of the light source;; or when the reactive slasher is not within the above defined range, 7042-6079-PF(N2).ptd Page 14 1265324

V. INSTRUCTIONS (10) At this time, it is possible to add the appropriate twisting type or the above: or the thickness of the two kinds of agent layers which are different in absorption wavelength, depending on factors such as the strength of the contact agent and the temperature of use. A knives are 2-30, more preferably 3-10. m is produced as L 50, preferably 〇, ”, ## In this range, the strength is easily insufficient, or the oozing is caused by the end. The unfavorable situation. A syllabus or surface modifier that does not know the characteristics of the above-mentioned carrier, with ":::, can add various particle erosiveness. The pre-study property of the &amp; or the peelability and the rate of the substrate; micro = =; = the compound of the agent has different refractive index of the conductive particles Γ ^ ΓΞ: "lift the lifting protection effect 7| , Τ ^ It is a smashing of wear-resistant particles. And nowadays 歹 矽 矽 矽 U particles, aluminum particles, indium tin oxide resin particles and so on. Silver U particles or various synthetic coatings = surface modifiers need to have good compatibility with the adhesive. Under the premise of hardening or hardening optical properties, beans = β, can be ionic , non-ionic water ^, other limited surfactants, polymer agriculture, 壬Μ 5 surfactants, oil-soluble organic and other agricultural products, winter # wc ^ 3 糸 surfactant, 矽,狨 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面 界面5% 詈%, the best 垔 垔 〇 / 〇 好 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 The amount added is less than this

7042-6079-PF(N2).ptd Page 15 1265324 V. INSTRUCTIONS (11) The addition effect of the encirclement may be insufficient, and too many people will cause the next point. Further, the surface modifying agent may be used singly or in combination with a plurality of kinds of additives such as an anti-absorbent, without damaging the effects of the present invention. d 糸外线 The re-peelable substrate used in the present invention is, for example, an aliphatic resin such as a quinone-1 resin, a polyamine, a 4-diamine, a hydrazine, a arsenic, a polyterpenes, a poly Lysone, diterpene, polystyrene (PES), + 'chemical ketone, poly maple, polystyrene 1-terephthalate (PET), : A: emulsified ester, polyaryl ester, polyacetal , a shaft of a 酉 酉 酉 二 di dilitol, polymethyl propylene, 4m: polycarbonate, polymethene: resin, triacetate or ring "to:: family, ice, especially with optics, etc. Directional film, ^ = f film.; lack = test 'for example, 4-methyl pentyl} resin, 酉曰 酉曰: "Wu women, polycarbonate, polyether maple (PES) Λ methyl propyl women A crystal, a borneol-based, a non-material film, a mono-, tri-acetate or an epoxy resin, in order to apply a suitable surface to the plastic film, or to form an organic layer: Properties: Chemical treatment such as alkalization treatment can be carried out in advance on the surface. In addition, the physical treatment such as 2 = 电 surface corona can be used to adjust the re-peelability. Containing a slip agent or surface modification Agent: plate: t:; force 'can make the above plastic film inspection or peeling property; spoon: two mouths without affecting optical defects without special restrictions, such as Shi Xi particles::=, its type, addition amount u Pull 4. Add the amount of the indicator to 1265324

V. DESCRIPTION OF THE INVENTION (12) The haze value (h a z e ) of the re-peelable substrate is generally 5 〇 % or less, and preferably less than 30 %. If the amount of addition is too small, there is no obvious effect, and too much is enough to check the optical defect. Various other conventional additives which may be added, such as an anti-blocking auxiliary, an antioxidant, a charging inhibitor, a stabilizer, an impact modifier, and the like. ..., the peeling force of the re-peelable substrate, even if it is the same material-disbonding substrate, the peeling force is affected by factors such as the manufacturing method, the surface state, or the follow-up property, and generally the adhesive layer strength (180. m, peeling speed 30cm / min, room temperature ^ = peeling 0 38-1 2N / M, preferably 〇 38_8 〇 N / m. Stripping in the = liquid crystal material layer on the substrate and re-peeling two, The liquid crystal material has a thick force i: two::f ',,, and the sleeve is transferred to a good stripping force, the same strength, stripping, peeling, or failure to perform stripping. 曰&amp;

In addition, the 're-peeling material I is preferably 16-100 //m, and the special soil also affects the peeling property. When the thickness is relatively round, the peeling point is not released... 疋" m is better. The thickness exceeds the mechanical strength of the above-mentioned film. ^ The centering stripping property is too thin when the thickness is too thin. The whisker such as cracking may be caused in the process of the present invention. The acid ester type, the poly-storage acid: the knife: the second stretch film is, for example, a fiber system or a polymerization system. A phase difference film of polyether maple, ruthenium maple, polyvinyl alcohol, or polyaromatic.:: A-axis or biaxial extension composed of poly-fatty vinegar, etc. Waiting for the ring:

7042-6079-PF(N2).ptd Page 17 1265324 V. INSTRUCTIONS (13) One-axis extension of the polyfatty ester system ~ or optical characteristics are preferred. , clothing k is easier, the uniformity of the film in this direction of extension and helmet... In particular, when the length of the long type is high, and the width of the MD of the square continuous type film can be selected, it is preferable to treat the Τ" to the extension (transverse extension): f (oblique extension) Or, when the polymer stretched film is laminated in the axial direction of the optimum optical characteristic at the alignment angle of the liquid crystal film, it can be bonded to the light plate in such a manner as to function as a roU-to-roU}. In addition, the polarizing plate used in the present invention can be used to greatly improve the product. For the polarizing plate used in the present invention, a liquid crystal display device can be used, and a thin film polarizing plate which has not been developed in recent years can be used. The polyethylene plate, preferably a PVA-based polarizing plate such as acidified PVA, or a partial vinegar test, is used in a hydrophilic polymer film: and B: a partially pigmented polarizing plate of the copolymer, PVA a demineralized reflective polarizing plate of 5 ethylene salts composed of a dehydrated material such as a polyene aligning film such as a monochromatic acid-treated material, etc. Ubden plate. Alternatively, the polarizing plate may be used as a polarizing film alone. Tian ^ Single or double-sided outer design transparent protective layer, two can be polarized film properties, heat resistance, etc. The transparent protective layer can be directly laminated by strength, wet transparent plastic film or through the following: Or: a coating layer of a resin: a photocurable type of eucalyptus layer such as ruthenium or epoxy. The protection of the two sides of the transparent protective film on both sides of the polarizing film is 7〇42-6079-PF(N2).ptd 18 pages 1265324 V. Description of the invention (14) The film may be the same or different. Ϊ 2 ί The method for producing the optical layered body of the present invention is described. The method for producing the broad layer of the shell layer is not limited, and is exemplified below. Base = ; = : = coating of liquid crystal material, making liquid crystal material layer heat distribution = liquid; alignment, and forming a layer on the layer in an appropriate manner. Contact 'in the alignment fixed liquid crystal material peeling substrate core Thereby, the liquid crystal material layer and the re-substrate layer are reacted on the adhesive layer, and after the (four) layer is reacted (hardened), the alignment substrate is peeled off: 37, the alignment fixed liquid crystal material layer is transferred to the re-peeling material layer. The subsequent layer and the re-peelable substrate are followed by To protect the liquid crystal substance μ wheat. "^ A transparent surface protective layer may be 2 f ί ,, two out of the liquid crystal material layer in the path table selected by the adhesive surface of the security ,, = Huo film. Transparent protective layer crystallizable material layer (layer $ ^ = liquid substrate formed on the release substrate via the adhesive layer ^. ^ is equivalent to "connected = / adhesive layer method. Represents the interlayer interface, the following method 2 Page 19 7042-6079-PF(N2).ptd 1265324 V. Description of invention (15) If necessary, ί ί 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上 上The alignment of the liquid crystal material layer is fixed, and the layer is formed in a suitable manner. Then, the liquid crystal material is obtained on the substrate by the alignment layer, and the liquid crystal material is formed through the adhesive layer 1; Then, the agent layer 1 is reacted (hardened) by the agent layer; the adhesive is formed on the layer of the liquid crystal material on the stripping base, and the rL π money is formed on the layer of the liquid crystal material, and the liquid layer is in close contact with the -removable substrate 2. Transferred to the re-peelable substrate 2, the release layer 1' is obtained by the agent layer 2 / the re-peelable substrate 2: layer = night film. The layer (1) may be provided with a transparent protective layer or a surface. The protective film is a method for laminating the optical layered body of the present invention. The above laminate (Α). Next, the polymer stretched film is passed through the adhesive layer (adhesive layer), and the laminate is formed by the polarizing plate octagonal stretch film (β). In the third step, the re-peelable substrate is peeled off from the laminate by a laminate using a binder (adhesive). Thus, a laminate as exemplified below can be obtained. / Adhesive (adhesive) layer / polymer stretch film / adhesive (continued on page 20 7042-6079-PF (N2). ptd 1265324 V, invention description (16) agent) layer / liquid crystal material layer / adhesive Layer; 2 · Polarizer / Adhesive (adhesive) Ancient agent) Layer / adhesive layer / liquid day: = layer - knife extension phase / adhesive (bonding polarizer / adhesive (adhesive) layer / high Molecular extension: 1) / 7 adhesive layer / liquid crystal material layer / adhesive layer 'agent (j) layer / carrier layer / liquid crystal material layer / junction, agent layer. Layer or transfer in # I ~ ί crystal material layer can be layered through the adhesive (then is Μ 仃 : : 积 积 积 积 积 : : : : : : : 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层In the middle of the process, when the unidirectional alignment substrate or the re-peelable substrate is stretched, the substrate of the alignment substrate or the re-peelable substrate has an adhesive for the release film, and the alignment substrate is stripped or repetitive: Attached; this: the method, the adhesive can not only be used as the light of the present invention; the use of liquid crystals or the use of other optical components for the accumulation of the pro-products: the surface can be "up and down" and thus increased manufacturing: Since: sound: the invention is formed by pre-forming a layer on the re-peelable substrate, so that the liquid crystal 4 and the other layer (f) are separated from the shape of the mold 35. Manufacture or environment, ::: can: stress-breaking effect of thin layer appearance (expansion, etc.) of the crystallized material: redundant: no special limitation on the liquid-forming agent, preferably two-way propylene with optical An acid type, a methyl endoic acid type, a nitrocellulose type, a February layer, for example, a polymer, a mixture thereof, and the like. The release layer is a film 糸 糸 compound ύ 4 ϋ “ m, preferably 7042-6079-PF(N2).ptd Ϊ265324 5. Invention description (17) , 5 &quot; m or more, 1 0 # m below 'glass The optically isotropic transparent layer with a transfer temperature of 20 ° C or higher and a temperature of 50 ° C is not limited by the characteristics of the liquid crystal layer. The film thickness or the glass transition temperature C main It may result in insufficient effect. The thin layer type Wang Hao is not inclined to use it. The release layer may also be controlled by adding a bridging component to add a plasticizer, a slip agent, etc. The method for forming the release layer is not particularly limited, and the plate can be made of t = ethylene, polypropylene #, polyethylene terephthalate, etc.: the first material: i ? ί is formed by ί cloth, | After removing the dissociative group, the re-peelable substrate film is peeled off. "The far layer is densely packed, and the optical layered body of the invention is in addition to the polarizing plate and the sound? The antireflection layer, the antiglare layer, and the 'outer coating layer' of the layer are also used for attaching δ or subsequent 衾 layer of the polarizing plate, and light diffusion: no other limitation, and the above may be optical or the like. . In the body of the building, the optical layered body obtained by the above method is selected, and the total thickness is not less than 50 Å, and more than 3 〇〇 _ below 45 Å &quot; m is not good because it does not conform to the invention. In the above range, the optical layered body of the present invention can be used as an optical parametric plate or the like of various liquid crystal display devices in accordance with the number of turns. The parts, the light plate, and the circle are the liquid crystal material layers constituting the optical layered body. _ If the alignment is fixed to 7042-6079-PF(N2).ptd Page 22 1265324 V. Invention description (18) Nematic type, twisted nematic type The liquid crystal material layer has the function of a phase difference plate, and the optical layered body composed of the liquid crystal material layer can be used as a compensation plate for a penetrating or reflective liquid crystal display device such as an STN type, a butyl n type, an OCB type, or a HAN type. use. The alignment liquid crystal material layer is fixed in a nematic hybrid type, and can be used as a retardation film or a wavelength plate by the retardation seen on the front surface. The tendency of the retardation (the inclination of the molecular axis in the thickness direction of the film) can be used for asymmetry, and can be used as a part for improving the viewing angle of a liquid crystal display device such as a TN type. The liquid crystal material layer having a 1/4 wavelength plate function can be used as an antireflection film such as a circular polarizing plate, a reflective liquid crystal display device, or an EL display device by using a combination with a polarizing plate in the present invention. In particular, in order to effectively obtain the function of the wide-area 1⁄4 wavelength plate including the illuminating region, it is a conventional practice to convert the 1/4 wavelength plate with 55 〇 1111] monochromatic light at a refraction position of about 1/4 wavelength and 55 〇nn] The 丨/2-wavelength plate with a complex refractory position of about 丨/2 wavelengths under monochromatic light is laminated in a state in which the slow phase axes are crossed. This method has been widely used in reflective liquid crystal display devices. That is, the technique for producing a thin optical layer laminate by the method of the present invention can be applied to a thin wide-band domain quarter-wave plate which is not easily produced by a polymer stretched film. The retardation value of the quarter-wavelength plate is generally 70·-18 〇, preferably 90-16 〇 nm, and more preferably 12 〇-15 〇. The retardation value of the 1/2 wavelength plate is generally from 180 nm to 32 Å, preferably from 2 Å to 3 Å, and more preferably from 220 Å to 28 Å. When the retardation value of the 1⁄4 wavelength plate and the 1⁄2 wavelength plate is out of the above range, the liquid crystal display device may be caused to generate an unnecessary color. Further, the retardation value means the product of the complex refractive index Δ n and the film thickness d. 1265324 V. Inventive Note (19) - The liquid crystal material layer in the optical layered body of the present invention can be used as a polarizing reflection film for enhancing luminance and a reflection type filter when the fixed alignment thereof is a cholesterol alignment or a smectic phase. A sheet and a variety of anti-counterfeit materials or decorative films that have selective reflection energy and can reflect the color of the light depending on the angle of view. LOW EXAMPLES The circular polarizing plates are exemplified below, and the present invention is not limited thereto by the examples and comparative examples. Further, this example; a value at a late value of 550 nm. [Preparation example] TerephthaHc acid 5〇mm〇i, 2 6-dicarbonate 50mmol, diacetate methyl hydroquinone 4〇mm〇1, diacetate = one phenol 60mmol With N-methylimidazole 6 〇 mg under nitrogen, the sputum should be outside for 12 hours. 6克。 The resulting reaction product was dissolved in tetrachloroethane, and then re-precipitated and purified by methanol to give a liquid crystal polyester 14.6g. And the logarithmic viscosity of the polyester (polymer 1) (phenol / tetrachloroethane = 6 / 4 heavy denier 2 crystal mixed solvent HC) is 〇.16dl / g, the liquid crystal is nematic, liquid crystal phase transfer The temperature is 250 t in _L, differential scanning card count (DSC) tropism ~ glass transition temperature is ij 2 t.斤金量—=20g South Molecule 1 is dissolved in N-sulfonyl- 2-bite and is dissolved in a solution. The gluten solution is applied to the rayon rubbed by a spin coater for minutes. (4) In a nematic configuration. ; = = lower heat &gt; dish 'neon direction alignment is fixed' and obtained on the polyimide film to the soil chamber

7042-6079-PF(N2).ptd Page 24 1265324 V. INSTRUCTIONS (20) Uniformly aligned liquid crystal material layer with a film thickness of 1 · 4 // m. The actual film thickness is measured by the stylus film thickness. [Example 1] The liquid crystal material layer 1 obtained on the preparation example (opposite side of the polyimide film) was coated with a commercially available UV-curable adhesive (UV-340 0, East Asian synthesis) to a thickness of 5 // Adhesive layer 1 of m, and a PET film 1 (S1 0, Donglei strain) having a thickness of 25 // m is laminated thereon as a re-peelable substrate, and then the adhesive layer 1 is irradiated with UV light of about 6 〇〇mJ. Harden. Next, the polyamidamine film is peeled off from the laminate of the pET film 1 / adhesive layer 1 / liquid crystal material layer 1 / polyamidamine film, and the liquid crystal material layer 1 is transferred to the re-peelable substrate PET film. On the other hand, a liquid crystal laminate (Α) composed of a tantalum film crucible/adhesive layer/liquid crystal material layer 1 was obtained. At this time, the laminate (A) at the time of peeling off the PET film 1 was Δ]! (! is 140 nm. Next, 'a commercially available one-axis stretched polycarbonate film (thickness 丨6 〇# m, Δnd2 70 nm) One side is attached to the adhesive layer having a thickness of 25 // m formed on the pET film previously treated with ruthenium. Then, the other side of the adhesive layer not bonded is bonded to a thickness of 25 # m previously formed. The adhesive layer layer (about 180 Å, SQZ_8 62 manufactured by Sumitomo Chemical Co., Ltd.) was obtained as a laminate of a pET film treated with a polarizing plate/adhesive layer/polycarbonate film/adhesive layer/ruthenium ( B). Strip the PET film of this laminate and attach it to the liquid layer of the laminate (A) to obtain a polarizer/adhesive layer/polycarbonate film/wei agent layer/liquid crystal. Layering of the material layer/adhesive layer 丨/PET film i^ This laminated PET film and the circular 'light plate of the present invention

1265324 V. INSTRUCTION OF THE INVENTION (21) The total thickness of the circular polarizing plate is about 2 9 7 vm. [Example 2] The circular polarizing plate obtained in Example 1 was adhered to a commercially available transflective TFT liquid crystal display with an adhesive. When the liquid crystal cell of the device was above and below, the performance was evaluated, and it was found that any circular polarizing plate showed good characteristics in both the reflective mode and the penetrating mode. In addition, at 60 ° C, 90% rh, 500 hours, or 8 〇. In the durability test of 〇 and dry for 500 hours, there was no abnormal appearance such as peeling or cracking. [Example 3] On the liquid crystal material layer obtained in the preparation example (opposite side of the polyimide film), a commercially available UV-curable adhesive (UV-340 0, East Asian synthesis) was applied to a thickness of 5 //m. The adhesive layer 1 was formed thereon as a re-peelable substrate by laminating a film of a thickness of 25 (S10, Toray), and then curing the adhesive layer 1 with UV light of about 6,000 mJ. Next, the polyimide film is peeled off from the laminate composed of the pET film 1 / the adhesive layer 1 / the liquid crystal material layer / the polyimide film, and the liquid crystal material layer is transferred onto the PET film 1 of the re-peelable substrate. . Next, a paste layer 2 having a thickness of 5 was applied to a liquid crystal material layer using a commercially available υν hardening type adhesive (UV-3400), and a pET film 2 (S10) having a thickness of 25 /zm was further laminated thereon as a further The peelable substrate was cured by irradiating the adhesive layer 2 with UV light of 60 kJ. Will PET film! After the laminate was peeled off, a laminate (a) composed of the adhesive layer 1 / liquid crystal material layer / adhesive layer 2 / PE film 2 was obtained. The layer at which the PET film 2 is peeled off at this time

7042-6079-PF(N2).ptd

Page 26 1265324 V. INSTRUCTIONS (22) Integral (A) with zXnd of 140 nm. Next, a single side of a commercially available one-axially stretched polycarbonate film (thickness: 16 Å, f = 27 Å) was attached to an adhesive layer having a thickness of 25 // Hi formed on a pET film previously treated with ruthenium. Next, the other side of the adhesive layer f is not bonded, and is attached to a polarized light having a thickness of 25 //m in advance, and the anti-thickness is 1 8 0 // m. Sumitomo Chemical Co., Ltd. s Q z - 8 6 2) A laminate (B) comprising a ρ Ε τ film treated with a polarizing plate/adhesive back layer/water silicate film/adhesive layer/ruthenium was obtained. The PET film of the laminate is peeled off and bonded to the liquid crystal layer of the laminate (A) to obtain a polarizing plate/adhesive layer/polycarbonate film/adhesive layer/adhesive layer. 1 / A laminate of a liquid crystal material layer / an adhesive layer 2 / a pET film 2 . The laminated PET film 2 was peeled off, and a circular polarizing plate of the present invention was obtained. The total thickness of the circular polarizing plate is about 3 〇〇. [Example 4] When the circularly polarizing plate obtained in Example 3 was attached to the liquid crystal cell of a commercially available TFT liquid crystal display device with an adhesive, the performance was evaluated, and any circular polarizing plate was found in the reflective mode. Table features. Further, in the durability test at 60 t, 90% RH for 5 hrs, or the diced dry olefin for 500 hours, no abnormality such as peeling or cracking occurred at all. [Comparative Example 1] A commercially available one-axis stretched polycarbonate film (thickness: 6 Å, Δndl^nm) and a polycarbonate film 2 (thickness: 6 Å, Δη (ΐ27 〇·) were obtained by thickness 25 // The adhesive layers of m are bonded to each other to obtain a thin film made of polycarbonate. Page 27 % 7042-6079-PF(N2).ptd 1265324 V. Invention Description (23) 1 / Adhesive Layer / Polycarbonate Film 2 A laminated body is formed. The side of the polycarbonate film 2 in the laminate is bonded to a polarizing plate (having a thickness of about 18 Å and living in SQZ-862) having a thickness of 25 /zm on one side. A circular polarizing plate composed of a polarizing plate/adhesive layer/polycarbonate vinegar film 1. The total thickness of the circular polarizing plate is about 3 5 0 # m. [Comparative Example 2] Commercially available one-axis extended polycarbonate The ester film 丨 (thickness 8 〇 △, manufactured by JSR) was bonded to a previously treated side of a PET film by an adhesive layer having a thickness of 25 cents. Then, one side of the film was attached to the other side. A polarizing plate having a thickness of 25 (four) adhesive layer was formed, SQZ-862, manufactured by Yuyou Chemical Co., Ltd., and obtained by a polarizing plate/adhesive layer/olefin film/adhesive layer/矽 treated PET film. The laminated layer is formed by stripping the PET film in the laminate, and using the 隹 轴 = = borneene film 2 (thickness δ0, ΔndW, jsr Λ η, Λ to the polarizing plate / adhesion The agent layer/borneaene system and the film adhesive agent are composed of the circular eccentricity of the powder. [Inventive effect] The preparation of the liquid crystal material sound layer* of the industrially produced unsupported substrate film is clearly established. The high flexibility of the optical properties achieved by the stretch film and the ability to be greatly thinned

7042-6079-PF(N2).ptd Page 28 1265324 V. INSTRUCTIONS (24) Realization, optical layered bodies with such characteristics, have extremely high industrial value. While the present invention has been described in its preferred embodiments, the present invention is not intended to limit the invention, and the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application.

7042-6079-PF(N2).ptd Page 29 1265324 Schematic description of the chart Page 30 7042-6079-PF(N2).ptd

Claims (1)

1265324 VI. Patent application scope 1 below; The method for manufacturing an optical layered body, characterized in that it includes at least a) t J Ξ J ί ^ ; Γ &quot;&quot;&quot; θ1 ^ ^ ^ The layer is adhered to the substrate via an adhesive After the liquid crystal material layer is transferred to the fixed liquid crystal material layer, the liquid crystal material layer is transferred to the re-peeling layer, and the alignment adhesive layer (adhesive layer) is peeled off, and then the above-mentioned partial film is passed through to the above-mentioned laminate (A). And layer, ^ ^ MCA) t # ^ ^ ^ The following steps: a method of manufacturing a layered body, characterized in that it comprises at least (1) a layered body (1) composed of an adhesive layer 1 / liquid crystal material plate 2 The preparation step U=2/re-peelable group liquid crystal material layer is fixedly attached to the alignment substrate via an adhesive to peel off the alignment substrate so that the liquid: =; = = : after the substrate 1 is followed by the liquid crystal material via the adhesive layer 2 ::; = on the substrate 1, above and peeling off the releasable substrate; the preparation of the laminate (B) of the polarizing substrate 2 (2) by the polarizing plate / adhesive layer (adhesive sound) film Step of extending the thin adhesive layer (adhesive layer) on the knife between the two The ferrule is extended and stretched through the film (1) before or after the laminate (1) and the laminate (8) are bonded, and the 范围31 page 7〇42-6079-PF(N2).ptd 1265324 The third step of stripping the releasable substrate in the integrated body (A). 3. The method of producing an optical layered body according to claim 1 or 2, wherein the liquid crystal material layer is a nematic type formed by a liquid crystal substance having an optically positive axis in a liquid crystal state. A liquid crystal material layer that is fixed to the alignment. An elliptically polarizing plate comprising the optical layered body produced by the manufacturing method according to claim 1 or 2. A circular polarizing plate characterized by comprising an optical layered body produced by the production method according to claim 1 or 2. A liquid crystal display device comprising at least an elliptically polarizing plate or a circularly polarizing plate as described in claim 4 or 5. 7042-6079-PF(N2).ptd第32页