Abstract: A curved display panel includes a first substrate and a second substrate cell-assembled to each other, a spacer layer disposed between the first substrate and the second substrate and configured to support the first substrate and the second substrate so as to form a gap, and a liquid crystal layer disposed in the gap, wherein the spacer layer includes a plurality of spacer groups, each of the plurality of spacer groups includes a first spacer provided on the first substrate and a second spacer provided on the second substrate, the plurality of spacer groups have supporting area on the first substrate as same as supporting area on the second substrate. A curved display device is further provided.

Abstract: A display structure having a high-brightness diffuse reflector, an electrowetting display structure based on the display structure, an in-cell type electrowetting display structure and a manufacturing method thereof are disclosed. The display structure comprises panel glass (1), a display layer (2) and substrate glass (3), wherein a high-brightness diffuse reflection polymer thin film material (4) is arranged under the substrate glass (3); the panel glass (1), the display layer (2), the substrate glass (3) and the diffuse reflection polymer thin film material (4) are stacked in sequence. According to the display structure and manufacturing method thereof of the invention, the required diffuse reflection and contrast ratio approximate to paper can be provided by placing a high-brightness diffuse reflection polymer thin film under a substrate or a display layer of a plate display structure as a diffuse reflection layer or a diffuse reflector.

Abstract: Provided are a separator-attached adhesive layer structure which comprises a separator having moderate light peelability with respect to an adhesive layer and exhibits excellent processability and durability, and a production method therefor. The production method comprises: a first step of forming a layer of an adhesive composition containing a (meth)acryl-based polymer, a peroxide and a phenolic antioxidant, on a release treatment surface of a separator subjected to a release treatment; and a second step of, after completion of the first step, heating the adhesive composition to cause cross-linking therein so as to be formed as an adhesive layer.

Abstract: Provided herein is a display apparatus including a plurality of post spacers positioned between an upper substrate and lower substrate, at least some of the plurality of post spacers provided with through-holes in bodies thereof.

Abstract: When a hollow structure in which a light-emitting element is provided between a pair of substrates is used in order to prevent oxygen or moisture from reaching the light-emitting element, light leakage to an adjacent pixel easily occurs as compared to a structure in which a space between a pair of substrates is filled with a resin such as an adhesive. In order to reduce light leakage to an adjacent pixel in the hollow structure, a light-blocking spacer is formed over a partition to keep the distance between the pair of substrates uniform. The cross-sectional shape of the light-blocking spacer is a trapezoid having a lower side shorter than an upper side.

Abstract: Disclosed is a laminate film comprising an inner layer formed of a composition comprising a polymer material as a main component and an outer layer formed of a composition comprising a polymer material as a main component and laminated on at least one surface of the inner layer, wherein a film thickness of the outer layer differs depending upon a position in the width direction of the laminate film.

Abstract: A polymerizable composition is disclosed wherein the polymerizable composition includes a first component selected from the group composed of compounds produced by an ester exchange reaction between a hydrogenated polyolefin polyol and an acrylic acid ester, compounds produced by an ester exchange reaction between a hydrogenated polyolefin polyol and a methacrylic acid ester, compounds produced by a dehydration condensation reaction between a hydrogenated polyolefin polyol and an acrylic acid, and compounds produced by a dehydration condensation reaction between a hydrogenated polyolefin polyol and a methacrylic acid, a second component selected from the group composed of compounds containing a hydrocarbon group with a carbon number more than or equal to 6 and an acryloyl group and compounds containing a hydrocarbon group with a carbon number more than or equal to 6 and a methacryloyl group, and a third component selected from the group composed of photopolymerization initiators.

Abstract: The present invention provides a display panel with a flat plate in which a member partially provided with a light blocking part is disposed in front of a display panel, and a curable resin therebetween is sufficiently cured even in an area behind the light blocking part. The display panel with a flat plate of the present invention includes: a flat plate provided with a light passing part and a light blocking part; a display panel; and an adhesive layer between the flat plate and the display panel, the adhesive layer being a cured resin layer obtainable by polymerization involving at least one reactive component selected from the group consisting of a (meth)acrylate oligomer, a bicyclic ring-containing (meth)acrylate monomer, and a hydroxyl group-containing (meth)acrylate monomer, a peroxide component, and a primer as reaction materials.

Abstract: A pressure-sensitive adhesive composition which is excellent in durability under high temperature and humidity conditions and can thus inhibit bright defect even when applied to a large-sized optical film; a pressure-sensitive adhesive; and an optical film. A pressure-sensitive adhesive composition including an acrylic copolymer (A) bearing a reactive functional group, an acrylic copolymer (B) and an isocyanate compound (C), wherein the quantity of the isocyanate compound (C) is 5 to 30 parts by weight per 100 parts by weight of a mixture of the acrylic copolymer (A) and the acrylic copolymer (B) and the elongation at break and 200% modulus as determined at 25 degrees C. by the tensile test are 300 to 1000% and 0.2 to 3 N/mm2 respectively.

Abstract: It is an object of the invention to provide a pressure-sensitive adhesive capable of forming a pressure-sensitive adhesive layer having high resistance to sebum and high resistance to moisture-induced clouding and also having low dielectric constant. The invention relates to a pressure-sensitive adhesive comprising a (meth)acryl-based polymer obtained by polymerization of a monomer component containing 65 to 88 parts by weight of an alkyl (meth)acrylate having an alkyl group of 8 to 22 carbon atoms and 12 to 35 parts by weight of an alkyl (meth)acrylate having a secondary hydroxyl group based on 100 parts by weight of the total amount of the alkyl (meth)acrylate having an alkyl group of 8 to 22 carbon atoms and the alkyl (meth)acrylate having a secondary hydroxyl group.

Abstract: A pressure-sensitive adhesive layer-attached polarizing film contains a polarizing film containing a polarizer and a transparent protective film provided on at least one side of the polarizer, the polarizing film having a total thickness of 100 ?m or less. A pressure-sensitive adhesive layer is provided on the polarizing film and made from a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer and an antioxidant.

Abstract: Microstructured films comprising surface modified inorganic oxide particles and polymerizable resins are described.

Abstract: An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image.

Abstract: A touch panel that not only demonstrates little deterioration of performance even in harsh environments at high temperature and high humidity, but is also free of the occurrence of a whitening phenomenon occurring during sudden changes in temperature and humidity, while also having superior shock resistance. A conductive laminate in which a uniform or arbitrarily patterned conductive layer containing a polythiophene-based conductive agent and an adhesive layer containing an acidic component are in direct contact over the entire surface or a portion thereof, and a touch panel in which it is used.

Abstract: An ionic compound has the formula (I): in which, R1 is selected from the group consisting of hydrogen, a C1-C20 alkyl, and an aromatic group; R2 is selected from the group consisting of a carbonyl and a C1-C10 alkyl; and R3 is selected from the group consisting of an imidazole ring, a C1-C20 alkyl, an acrylic group, and an aromatic group; X? is selected from the group consisting of Cl?, Br?, I?, NO3?, AlCl4?, BF4?, CF3SO3?, (CF3SO3)?, CF3COO?, CH3COO?, and PF6?; and k is an integer 1 or 2. The ionic compound can be added in a pressure-sensitive adhesive of a polarizer of a liquid crystal display panel to avoid the phenomenon of the static electricity residual when the release film is removed from the pressure-sensitive adhesive.

Abstract: A display panel assembly is made by optically bonding a display panel and a substantially transparent substrate. Optical bonding is carried out by forming an optical bonding layer having regions of different physical properties.

Abstract: The invention relates to an acrylic adhesive composition, more particularly, to an adhesive composition which: specifies the contents of a (meth)acrylic ester-based monomer and an aromatic group-containing monomer of an acrylic copolymer as a composition having little or no difference of birefringence; has excellent durability; and can reduce light leakage due to flexure by mixing a crosslinkable functional group-containing acrylic copolymer (A) and an acrylic copolymer (B) which does not contain the crosslinkable functional group, in a ratio of 1:9 to 5:5.

Abstract: Provided is an adhesive composition for polarizing plates, which is used for adhering polarizing plates, and which exhibits excellent durability even under high-temperature and high-moisture conditions, and which minimizes the occurrence of white streaks. Also provided are a polarizing plate with adhesive and liquid crystal display device using said adhesive composition. The adhesive composition for polarizing plates contains the following: (A) carboxyl group [CG]-containing (meth)acrylic copolymer [MACP] using 1.5 to 3 wt % CG-containing (meth)acrylic monomer [MAM] and 97 to 98.5% MAM not having a reactive functional group; (B) CG- and hydroxyl group [HG]-containing MACP using 0.5 to 3 wt % CG-containing MAM, 0.3 to 1 wt % HG-containing MAM, and 96 to 99.2 wt % MAM not having a reactive functional group; (C) toluene diisocyanate-type isocyanate compound; and (D) a silane coupling agent.

Abstract: The present invention relates to a pressure sensitive adhesive composition, a polarizer and a liquid crystal display device. The present invention may provide a pressure sensitive adhesive which can have excellent stress relaxation characteristic to effectively inhibit light leakage by dimension change of optical films such as polarizing plates. In addition, a pressure sensitive adhesive having excellent physical properties such as adhesion durability and workability may be provided.

Abstract: The present invention provides a touch panel that not only demonstrates little deterioration of performance even in harsh environments at high temperature and high humidity, but is also free of the occurrence of a whitening phenomenon occurring during sudden changes in temperature and humidity, while also having superior shock resistance. Provided are a conductive laminate in which a uniform or arbitrarily patterned conductive layer containing a polythiophene-based conductive agent and an adhesive layer containing an acidic component are in direct contact over the entire surface or a portion thereof, and a touch panel in which it is used.

Abstract: A pressure-sensitive adhesive composition, a pressure-sensitive adhesive polarizing plate and a liquid crystal display device are provided. The pressure-sensitive adhesive composition has excellent durability reliability under extreme conditions such as high temperature and/or humidity conditions, and shows superior workability such as cuttability or re-workability. Also, when the pressure-sensitive adhesive composition is applied to a polarizing plate or a liquid crystal display device, the composition can effectively prevent light leakage. Such a pressure-sensitive adhesive exhibits excellent characteristics, for example, even when the pressure-sensitive adhesive is applied to a 20-inch or more large display device.

Abstract: Provided is a pressure-sensitive adhesive sheet for optical use which less suffers from a misoperation-causing change in capacitance upon application to an optical member. The pressure-sensitive adhesive sheet for optical use includes a pressure-sensitive adhesive layer and has a dielectric constant of from 2 to 8 at a frequency of 1 MHz and a dielectric loss tangent of more than 0 and 0.2 or less at a frequency of 1 MHz. The pressure-sensitive adhesive sheet for optical use preferably has a dielectric constant at a frequency of 1.0×106 Hz being 60% or more of that at a frequency of 1.0×104 Hz. In addition, the pressure-sensitive adhesive sheet for optical use preferably has an absolute value of difference between the dielectric loss tangent at a frequency of 1.0×106 Hz and that at a frequency of 1.0×104 Hz of 0.15 or less.

Abstract: The present invention provides a display panel with a flat plate in which a member partially provided with a light blocking part is disposed in front of a display panel, and a curable resin therebetween is sufficiently cured even in an area behind the light blocking part. The display panel with a flat plate of the present invention includes: a flat plate provided with a light passing part and a light blocking part; a display panel; and an adhesive layer between the flat plate and the display panel, the adhesive layer being a cured resin layer obtainable by polymerization involving at least one reactive component selected from the group consisting of a (meth)acrylate oligomer, a bicyclic ring-containing (meth)acrylate monomer, and a hydroxyl group-containing (meth)acrylate monomer, a peroxide component, and a primer as reaction materials.

Abstract: Disclosed are a cellulose acetate film characterized by comprising cellulose acetate that has a degree of acetylation of 51.0-56.0% and a compound represented by Formula (1) and having a total average degree of substitution of 6.1-6.9, a polarizing plate capable of maintaining excellent visibility, and a liquid crystal display device having excellent visibility and viewing angle characteristics. (In Formula (1), R1 to R8 may be the same or different and each represents an (un)substituted alkylcarbonyl or an (un)substituted aryl carbonyl).

Abstract: Inorganic nanoparticles having a refractive index of at least 1.60 wherein the nanoparticles are surface modified with a surface treatment comprising a compound comprising a carboxylic acid end group and a C3-C8 ester repeat unit.

Abstract: Microstructured films such as brightness enhancing films, polymerizable resin compositions comprising an organic component and surface modified nanoparticles, and surface modified nanoparticles are described. The microstructured film has a polymerized structure comprising the reaction product of the polymerizable resin composition (e.g. having a refractive index of at least 1.58). The cured nanocomposite (e.g. structure) can exhibit improved crack resistance. In some embodiments, the flexibility is expressed in terms of a cylindrical mandrel bend test property (e.g. a mandrel size to failure of less than 6 mm or a mandrel size to failure according to the equation D=1000(T/0.025?T) wherein T is the thickness in millimeters of a (e.g. preformed base layer). In other embodiments, the flexibility is expressed in terms of a tensile and elongation property (e.g. a tensile strength at break of at least 25 MPa and an elongation at break of at least 1.75%).

Abstract: A sealant that can be used in a liquid crystal display device without contaminating the liquid crystal layer is presented. The sealant includes an acrylic-based compound having at least two acryl groups per molecule and an epoxy-based compound having an epoxy group and a dihydrazide compound. A liquid crystal display using the sealant is provided. The liquid crystal display includes a first substrate having a display area, a second substrate on the first substrate and a liquid crystal layer interposed between the first and second substrates. A sealant pattern is formed on any one of the first and second substrates in an outer portion of the display area by using the sealant.

Abstract: A sealant for a one drop fill process is characterized by curing through two steps consisting of photocure using visible light from which 400 nm or shorter wavelengths are cut off and thermal cure and, when in contact with a liquid crystal composition, is less contaminating to the liquid crystal composition with a photo radical initiator, and exhibits high adhesive strength to a substrate. The sealant contains (1) a titanocene photo radical initiator, (2) a photocuring resin, (3) a latent epoxy curing agent and, if necessary, (4) a monomer having at least two glycidyl ether groups per molecule as a thermosetting resin.

Abstract: A pressure-sensitive adhesive optical film of the present invention comprises: an optical film comprising a transparent base film and a discotic liquid crystal layer on one side of the transparent base film; and a pressure-sensitive adhesive layer that is provided on the discotic liquid crystal layer, wherein the pressure-sensitive adhesive layer is made from a pressure-sensitive adhesive containing an acrylic polymer comprising an alkyl(meth)acrylate (a1) and a ring structure-containing (meth)acrylate (a2) as monomer units and having a weight average molecular weight of 1,000,000 to 3,000,000, and a crosslinking agent. The pressure-sensitive adhesive optical film has durability and can be prevented from causing display unevenness in a peripheral portion of a display screen.

Abstract: The present invention relates to an acrylic pressure-sensitive adhesive composition which comprises a (meth)acrylic copolymer comprising an alkyl(meth)acrylic acid ester monomer, in which alkyl has 2 to 14 carbon atoms, and a (meth)acrylic acid ester monomer containing a copolymerizable photo-initiator group, wherein it has a gel fraction of 10 to 55% and a swelling ratio of 30 to 110, and a sol (uncross-linked polymer) eluted in final pressure-sensitive adhesive with a solvent (ethyl acetate) has a weight average molecular weight of 600,000 or more; and a polarizing plate and a liquid crystal display device, comprising the same. The polarizing plate according to the present invention has an excellent adhesion durability under a high temperature or a high temperature and humidity condition, has an excellent low light leakage property by effectively providing stress release property, and may greatly improve productivity for polarizing plates, by using photo-curing.

Abstract: The present invention relates to an acrylic pressure-sensitive adhesive composition which comprises a (meth)acrylic copolymer comprising 70 to 95 parts by weight of an alkyl(meth)acrylic acid ester monomer, in which alkyl has 2 to 14 carbon atoms, and 5 to 30 parts by weight of a (meth)acrylic acid ester monomer containing a copolymerizable aromatic group, wherein the composition has a gel fraction of 10 to 55% and a swelling ratio of 30 to 110, and a sol (uncross-linked polymer) eluted therein with a solvent has a weight average molecular weight of 600,000 or more; a polarizing plate comprising the composition; and a liquid crystal display device comprising the same. The composition according to the present invention provides workability such as an excellent durability and re-workability, and has an effect of improving a light leakage phenomenon, since the size of birefringence occurred under stress is very small.

Abstract: Microstructured films comprising surface modified inorganic oxide particles, surface modified inorganic nanoparticles having a high refractive index, and polymerizable resins are described.

Abstract: A cellulose acylate film produced by a melt-casting film formation, wherein the total of the number of projections having a height of from 0.1 ?m to 100 ?m and a length of at least 1 mm and the number of depressions having a depth of from 0.1 ?m to 100 ?m and a length of at least 1 mm is at most 10 per 10 cm of the width of the film. When built in a liquid-crystal display device, the cellulose acylate film significantly reduces the display blur in the device.

Abstract: The present invention relates to compounds represented by the following Formula I, In Formula I, R1 and R2 are each independently selected from hydrogen, and optionally substituted hydrocarbyl, provided that at least one of R1 and R2 is selected from optionally substituted hydrocarbyl (e.g., tertiary butyl); n is 0, 1 or 2, and each R3 is independently selected from optionally substituted hydrocarbyl; L1 is a divalent linking group, such as a bond or —C(O)O—; each L2 independently represents a flexible segment, such as divalent linear or branched C1-C25 alkyl; each L3 independently represents a rigid segment including, for example, optionally substituted phenylen-1,4-diyl groups; t is from 1 to 4; m and p are each independently from 0 to 4 for each t, provided that the sum of m and p is at least 1 for each t; and E can be, for example, C5-C18 aryl.

Abstract: Provided by the present invention is a liquid crystal display element including: two substrates disposed oppositely, an interlayer insulating film laminated on the inner face side of at least one of the substrates, and a liquid crystal layer being provided between the substrates, and being formed from a polymerizable liquid crystal composition, in which a resin constituting the interlayer insulating film has a crosslinking moiety of a polymer represented by the following formula (1):

Abstract: There has been a need for an overcoat film composition that functions as an overcoat film in terms of high transparency and flatness, and that also functions as an aligning film in terms of liquid crystal molecular alignment. There has also been a need to lower the cost of manufacturing a liquid crystal display element. There is provided an overcoat film composition comprising one or more compounds selected from the group of polyester-polyamic acids (A1) obtained using at least a polyhydric hydroxy compound (a1), a diamine (a2), and a compound having two or more acid anhydride groups (a3), and polyester-polyimides (A2) that are imidization products thereof, and a polyamic acid (B).

Abstract: A cellulous acylate film in which X-ray diffractive intensity satisfies the following Formulae (I) to (V) and in which a half-value width of the peak at 2?2 is 2.8° or less as observed in the sectional view in a direction parallel to the transport direction of the film: 0.00?Ici/Ico<0.60;??Formula (I) Iam=I1+{(I3?I1)/(2?3?2?1)}×(2?2?2?1);??Formula (II) Ic=I2?Iam;??Formula (III) Ici=Ic11/Ic12; and??Formula (IV) Ico={(Ic21/Ic22)+(Ic31/Ic32)}/2.

Abstract: A cellulous acylate film in which X-ray diffractive intensity satisfies the following Formulae (I) to (V) and in which a half-value width of the peak at 2?2 is 2.8° or less as observed in the sectional view in a direction parallel to the transport direction of the film: 0.60?Ici/Ico??Formula (I) Iam=I1+{(I3?I1)/(2?3?2?1)}×(2?2?2?1)??Formula (II) Ic=I2?Iam??Formula (III) Ici=Ic11/Ic12??Formula (IV) Ico={(Ic21/Ic22)+(Ic31/Ic32)}/2.

Abstract: There is provided a laminate comprising a hard coat layer having the outermost surface to which slipperiness has been imparted. The laminate comprises a transparent substrate and a hard coat layer provided on said transparent substrate. The hard coat layer is formed of a cured product of a composition comprising a fluorine-modified urethane acrylate and/or a polydimethylsiloxane having a polyether-modified acryl or polyether group.

Abstract: Provided is a photocurable adhesive composition which causes no damage to adherends during bonding and which, when used in bonding rugged adherends, can bond the adherends without forming a gap therebetween. The photocurable adhesive composition of the present invention comprises (A) 100 parts by mass of a urethane (meth)acrylate oligomer having a weight-average molecular weight of 20,000 to 100,000, (B) 5 parts to 70 parts by mass of a phenoxy resin, and (C) 0.1 parts to 10 parts by mass of a photopolymerization initiator. The uncured composition has a loss tangent (loss modulus/storage modulus) of less than 1 at 25° C. and the temperature at which the loss tangent of the uncured composition reaches 1 or more is 80° C. or less.

Abstract: The present invention relates to a pressure-sensitive adhesive composition, a protective film for polarizers, which includes a cured product of the pressure-sensitive adhesive composition, a polarizer, and a liquid crystal display (LCD). In the present invention, a pressure-sensitive adhesive showing excellent endurance reliability in high-temperature and/or high-humidity conditions and having superior physical properties such as cuttability, re-peeling property, and workability can be provided. In particular, it is possible to provide the pressure-sensitive adhesive composition which can prevent light leakage that may occur in an LCD, even when being applied to a film having a low stress optical coefficient.

Abstract: A Cellulose acylate film, in which X-ray diffraction intensity satisfies following formulae and a half-value width of the peak at 2?2 is 3° or less: 0.40?Ic/(Iam+Ic)?0.85; Iam=I1+{(I3?I1)/(2?3?2?1)×(2?2?2?1)}; and Ic=I2?Iam, wherein when it is assumed that ? is the Bragg angle, 2?1 and 2?3 indicate 2? at which the intensity becomes the minimum in the 2? range of 4° to 5° and 14° to 16°, respectively, 2?2 indicates 2? at which the intensity becomes the maximum in the 2? range of 5° to 10°, and I1, I2 and I3 indicate a diffractive intensity at 2?1, 2?2 and 2?3, respectively.

Abstract: Microstructured articles such as brightness enhancing film and turning films having a (e.g. brightness enhancing) polymerized structure comprising the reaction product an organic phase and at least 10 wt-% inorganic nanoparticles. The reaction product of the organic phase has a glass transition temperature of less than 35° C.

Abstract: The photocurable composition for a sealant of the present invention includes a compound represented by general formula (1): A1-Y1—B1—Y2-A2??(1) (wherein A1 and A2 each represents, independently, a monovalent group having a cyclic ?-electron conjugated structure; Y1 and Y2 each represents, independently, a divalent group represented by general formula (4); and B1 represents (i) a divalent alicyclic hydrocarbon group, (ii) a divalent aromatic hydrocarbon group, (iii) a divalent heterocyclic group, (iv) a divalent aliphatic hydrocarbon group of 1 to 6 carbon atoms, or (v) a divalent group in which two or more group selected from the group consisting of a divalent alicyclic hydrocarbon group, a divalent aromatic hydrocarbon group, a divalent heterocyclic group, a divalent aliphatic hydrocarbon group of 1 to 6 carbon atoms, a carbonyl group, an ether group, a thioether group, and a SO2 group are linked).

Abstract: A cellulose ester film comprising a cellulose ester and a compound containing: an acrylate group or a methacrylate group; and a phenolic hydroxyl group, in the molecule.

Abstract: The present invention relates to an acrylic pressure sensitive adhesive composition. More specifically, the present invention relates to an acrylic pressure sensitive adhesive composition which comprises a) acrylic copolymers; and b) a compound having an ester value of 200 or more. The acrylic pressure sensitive adhesive composition of the present invention has an excellent wettability to the surface of an adhered article with surface unevenness, an excellent endurance reliability, transparency, and stain resistance of adhered article, and a high-rate release property without any considerable change of adhesive properties.

Abstract: A liquid crystal sealing material comprising (a) a radiation curable resin represented by the general formula (1) below, (b) a photopolymerization initiator and (c) a filler having an average particle diameter of not more than 3 ?m. (In the formula (1), R1 represents a hydrogen atom or a methyl group; R2 may be the same or different and represents a hydrogen atom, a halogen atom, a hydroxyl group, a monovalent linear, branched or cyclic alkyl group having 1-10 carbon atoms or an alkoxy group having 1-10 carbon atoms; m represents an integer of 1-4; R3 represents a hydrogen atom or a methyl group; R4 represents a linear, branched or cyclic alkyl group having 1-10 carbon atoms; 1 represents a range of positive numbers from 1 to 5; and the repeating unit number n represents a range of positive numbers from 0 to 20.

Abstract: A stretched cellulose ester film produced by stretching after film forming employing a cellulose ester including a polyester polyol obtained from (a) a glycol having an average carbon atom number of 2 to 3.5 and (b) a dibasic or an anhydrous dibasic acid having an average carbon number of 4 to 5.5, wherein the stretched cellulose ester film exhibits retardation value Ro in the range of 30 to 200 nm, and a retardation value Rt in the range of 70 to 400 nm, Ro and Rt are each defined by specific Formulas (1) and (2).

Abstract: The present invention relates to an acrylic pressure sensitive adhesive composition comprising a monomer containing linear carbonate having an antistatic property. The acrylic pressure sensitive adhesive composition exhibits an excellent balance between low-rate peel strength and high-rate peel strength, and is capable of lowering the content of an antistatic agent. It also provides excellent releasable property, and protection of the surface of a polarizer due to proper wettability.

Abstract: The present invention relates to an acrylic pressure-sensitive adhesive composition which comprises a (meth)acrylic copolymer comprising an alkyl(meth)acrylic acid ester monomer, in which alkyl has 2 to 14 carbon atoms, and a (meth)acrylic acid ester monomer containing a copolymerizable photo-initiator group, wherein it has a gel fraction of 10 to 55% and a swelling ratio of 30 to 110, and a sol (uncross-linked polymer) eluted in final pressure-sensitive adhesive with a solvent (ethyl acetate) has a weight average molecular weight of 600,000 or more; and a polarizing plate and a liquid crystal display device, comprising the same. The polarizing plate according to the present invention has an excellent adhesion durability under a high temperature or a high temperature and humidity condition, has an excellent low light leakage property by effectively providing stress release property, and may greatly improve productivity for polarizing plates, by using photo-curing.