Abstract: Provided are a polarizer protective film containing a (meth)acrylic resin as a main component and being excellent in adhesion with a polarizer, a polarizing plate including the polarizer protective film and a polarizer which are unlikely to peel off from each other, and an image display apparatus of high quality using the polarizing plate. The polarizer protective film of the present invention includes a coating layer containing a (meth)acrylic resin (B) as a main component on at least one surface of a film containing a (meth)acrylic resin (A) as a main component.

Abstract: The invention provides a pattern-formation process comprising a step of providing a substrate material having on a major surface a difficult-to-access recess formed by the presence of a 1st mask, a step of using a physical evaporation method to deposit a 2nd mask-formation material, which is higher than the 1st mask in terms of etching resistance, from a side having the 1st mask formed on it all over the upper surface of the 1st mask and peripherally on a side of the difficult-to-access recess to form the 2nd mask comprising a series of films, and a step of etching the substrate material via the 1st mask and the 2nd mask, wherein the 2nd mask-formation step comprises operation of flying the 2nd mask-formation material by the physical evaporation method vertically to the major surface of the substrate material, and the difficult-to-access recess is sized such that when the 2nd mask-formation material is flown and deposited by the physical evaporation method vertically to the major surface of the substrate mate

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: Provided is a polarizing plate having pressure-sensitive adhesive layer, including a polarizer, a transparent protective film placed on at least one surface of the polarizer, and a pressure-sensitive adhesive layer placed on a surface of the transparent protective film on a side where the polarizer is not placed. The pressure-sensitive adhesive layer is formed from pressure-sensitive adhesive including acryl-based polymer including alkyl (meth)acrylate monomer unit and aromatic ring structure-containing (meth)acrylate monomer unit. The transparent protective film has an absolute value of photoelastic coefficient of 50×10?12 (m2/N) or less, and X and Y satisfy the relation ?1×1011X+3Y-1×1011X+23. X represents the photoelastic coefficient (m2/N) of the transparent protective film, and Y represents the content (%) of the aromatic ring structure-containing (meth)acrylate monomer unit in the acryl-based polymer.

Abstract: A PDMS sheet that ensures good adhesion, handleability and stability to metal thin films or metal patterns of any desired shape, an optical element that is kept against de-bonding or exfoliation of metal patterns and has high reliability as well as good handleability and stability, and manufacturing methods thereof. The inventive optical element comprises a polydimethyl-siloxane sheet having a pattern-formation surface defined by one surface and a base surface defined by another surface, and a plurality of metal patterns positioned on the pattern-formation surface.

Abstract: The object of the invention is to provide a mold that is capable of high-precision, stable patterning, and improved in terms of handleability as well, and a manufacturing method thereof. The mold of the invention has a pattern-formation surface defined by one surface, wherein the pattern-formation layer has a projection-and-depression structure area for patterning, and a base surface defined by another surface. At least the pattern-formation layer and the base surface each comprise a polydimethylsiloxane layer. Given a low-molecular-weight siloxane of a cyclic structure represented by [—Si(CH3)2O—]k where k is an integer of 3 to 20 inclusive, the polydimethylsiloxane layer positioned on the pattern-formation layer comprises a high-content polydimethylsiloxane layer containing the low-molecular-weight siloxane in a larger amount, and the polydimethylsiloxane layer positioned on the base surface comprises a low-content polydimethylsiloxane layer containing the low-molecular-weight siloxane in a smaller amount.

Abstract: Provided are an optical film which has high heat resistance, high transparency, and high mechanical strength, and has a sufficient retardation compensation function with a reverse wavelength dispersion characteristics, and a polarizing plate having such an optical film and a polarizer. Further, an image display apparatus of high quality using such a polarizing plate is provided. The optical film of the present invention includes a (meth)acrylic resin having a lactone ring as a main component, in which an in-plane retardation Re(450) at a wavelength of 450 nm/an in-plane retardation Re(600) at a wavelength of 600 nm is less than 1.0.

Abstract: An optical compensation layer-attached polarizing plate including a polarizing plate, an optical compensation layer and another optical compensation layer that are laminated in this order, wherein the optical compensation layer has the relation nx1>ny1=nz1, including a resin with a photoelastic coefficient absolute value of at most 2.0×10?11 m2/N, and has an in-plane retardation (nx1?ny1)d1 in the range of 200 nm to 300 nm, the optical compensation layer has the relation nx2>ny2>nz2, including a resin with a photoelastic coefficient absolute value of at most 2.0×10?11 m2/N, and has an in-plane retardation (nx2?ny2)d2 in the range of 90 nm to 160 nm, a slow axis of the optical compensation layer makes an angle of 10° to 30° with an absorption axis of the polarizing plate, and a slow axis of the optical compensation layer makes an angle of 75° to 95° with the absorption axis of the polarizing plate.

Abstract: There is provide a polarizing plate provided with optical compensation layers capable of performing viewing angle compensation with respect to a liquid crystal cell, providing broadband circular polarization, contributing to thickness reduction, preventing uneven display due to heat, and favorably preventing light leak in black display, and an image display apparatus using the same.

Abstract: Provided are a polarizer protective film containing a (meth)acrylic resin as a main component and being excellent in adhesion with a polarizer, a polarizing plate including the polarizer protective film and a polarizer which are unlikely to peel off from each other, and an image display apparatus of high quality using the polarizing plate. The polarizer protective film of the present invention includes a coating layer containing a (meth) acrylic resin (B) as a main component on at least one surface of a film containing a (meth)acrylic resin (A) as a main component.

Abstract: Provided is a polarizer protective film, which has high heat resistance, high transparency, high optical characteristics, and high mechanical strength, and is excellent in adhesion with respect to a polarizer. Further, provided are a polarizing plate using the polarizer protective film and a polarizer, which has high adhesion with respect to the polarizer protective film and the polarizer and is excellent in optical characteristics, and in particular, excellent in transmittance as viewing angle characteristics, and an image display apparatus of high quality using the polarizing plate. The polarizer protective film of the present invention includes a cellulose-based resin layer having a thickness of 0.3 to 3 ?m on at least one surface of a transparent resin layer containing a (meth)acrylic resin having a lactone ring structure.

Abstract: A polarizing plate with optical compensation layers that performs a wide viewing angle compensation with respect to a liquid crystal cell, allows circularly polarized light to be obtained over a wide range of light wavelengths, contributes to the reduction in thickness, prevents thermal irregularity from occurring, and can effectively prevent light leakage from occurring in a black display. The polarizing plate includes a polarizer, a first optical compensation layer, and a second optical compensation layer that are stacked together in this order. The first optical compensation layer is formed of a liquid crystal compound and has a relationship of nx>ny=nz and an in-plane retardation Re1 of 100 to 170 nm. The second optical compensation layer has a relationship of nx=ny>nz and a thickness direction retardation Rth2 of 30 to 400 nm. The angle formed between the absorption axis of the polarizer and the slow axis of the first optical compensation layer is in the range of “plus” or “minus” 25 to 65 degrees.

Abstract: Provided are: a polarizer protective film having excellent optical properties and mechanical strength, with the productivity and reworking property enhanced; a polarizing plate with less defects in an outer appearance, using a polarizer formed of the polarizer protective film and a polyvinyl alcohol-based resin; and an image display apparatus of high quality using the polarizing plate. The polarizer protective film of the present invention includes as a main component a (meth)acrylic resin, which is stretched by longitudinal stretching and/or lateral stretching.

Abstract: The present invention provides a polarizing plate with an optical compensation layer capable of contributing to the reduction in thickness, enhancing viewing angle properties, realizing a high contrast, preventing interference nonuniformity and heat nonuniformity, suppressing a color shift, realizing satisfactory color reproducibility, and preventing light leakage in a black display satisfactorily, and a liquid crystal panel, a liquid crystal display apparatus, and an image display apparatus using the polarizing pate with an optical compensation layer.

Abstract: The present invention is to provide: a polarizer protective film having an excellent UV absorbing ability, excellent heat resistance, and excellent optical transparency; a polarizing plate having less defects in an outer appearance using the polarizer protective film and a polarizer; and an image display apparatus of high quality using the polarizing plate. The polarizer protective film of the present invention includes as a main component a (meth) acrylic resin and a UV absorber, in which: a light transmittance at 380 nm of the polarizer protective film is 30% or less when the film has a thickness of 80 ?m; a difference between a Tg of the polarizer protective film and a Tg of the same film as the polarizer protective film except that it does not contain the UV absorber is within 3° C.; and YI at a thickness of 80 ?m is 1.3 or less.

Abstract: There is provide a polarizing plate provided with optical compensation layers capable of performing viewing angle compensation with respect to a liquid crystal cell, providing broadband circular polarization, contributing to thickness reduction, preventing uneven display due to heat, and favorably preventing light leak in black display, and an image display apparatus using the same.

Abstract: A pressure-sensitive adhesive optical film of the present invention comprises an optical film; and a pressure-sensitive adhesive layer laminated on at least one side of the optical film, wherein the pressure-sensitive adhesive layer is formed from a pressure-sensitive adhesive containing a (meth)acrylic polymer (A) and a resin component (B) having an aromatic ring structure in its main chain. 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: 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 provided on one side of the transparent base film; an undercoat layer; and a pressure-sensitive adhesive layer provided on the discotic liquid crystal layer with the undercoat layer interposed therebetween, the undercoat layer comprises a polymer and an antioxidant; and the pressure-sensitive adhesive layer comprises a (meth)acrylic polymer (A) comprising 80 to 99.5% by weight of an alkyl (meth)acrylate monomer unit and 0.05 to 3% by weight of a hydroxyl group-containing monomer unit and having a weight average molecular weight of 1,000,000 to 2,500,000; a (meth)acrylic oligomer (B) comprising 80 to 99.9% by weight of an alkyl (meth)acrylate monomer unit and 0.

Abstract: To provide a polarizing plate provided with optical compensation layers capable of contributing to thickness reduction, preventing uneven display due to heat, and favorably preventing light leak in black display, and an image display apparatus using the same. The polarizing plate provided with optical compensation layers of the present invention includes a polarizer, a first optical compensation layer, a second optical compensation layer, and a third optical compensation layer in the stated order. The first optical compensation layer, the second optical compensation layer, and the third optical compensation layer each have predetermined absolute value of photoelastic coefficient, refractive index profile, and in-plane retardation and/or thickness direction retardation. An absorption axis of the polarizer and a slow axis of the first optical compensation layer form an angle of 10° to 30°. The absorption axis of the polarizer and a slow axis of the second optical compensation layer form an angle of 70° to 95°.

Abstract: Provided are an optical film which has high heat resistance, high transparency, and high mechanical strength, and has a sufficient retardation compensation function with a reverse wavelength dispersion characteristics, and a polarizing plate having such an optical film and a polarizer. Further, an image display apparatus of high quality using such a polarizing plate is provided. The optical film of the present invention includes a (meth) acrylic resin having a lactone ring as a main component, in which an in-plane retardation Re(450) at a wavelength of 450 nm/an in-plane retardation Re (600) at a wavelength of 600 nm is less than 1.0.