Abstract: According to an embodiment of the present invention, there is provided an optical film set for an image generation system. The set includes a first polarizing plate; a second polarizing plate; and a retardation plate. The image generation system includes an image taking apparatus, the first polarizing plate, an object, and the second polarizing plate arranged in the stated order, and includes the retardation plate arranged between the first polarizing plate and the second polarizing plate. The retardation plate is configured so that a color of the second polarizing plate recognized by the image taking apparatus satisfies a*??10.

Abstract: According to an embodiment of the present invention, there is provided an optical film set for an image generation system. The set includes a first polarizing plate; a second polarizing plate; a first retardation plate; and a second retardation plate. The image generation system includes an image taking apparatus, the first polarizing plate, the first retardation plate, an object, the second retardation plate, and the second polarizing plate arranged in the stated order.

Abstract: There is provided a head-up display apparatus, which is excellent in heat resistance and is suppressed in occurrence of air bubbles under a high-temperature environment. A head-up display apparatus according to an embodiment of the present invention includes: a display unit configured to emit projection light; at least one reflector configured to reflect the projection light; a housing, which has an opening portion, and is configured to store the display unit and the reflector therein; a cover member configured to cover the opening portion; and a polarizing plate, which is arranged on a housing inner side of the cover member, and includes a pressure-sensitive adhesive layer and a polarizer in the stated order from a cover member side. An interlayer adhesive strength between the cover member and the pressure-sensitive adhesive layer is 30 N/25 mm or more.

Abstract: There is provided a head-up display apparatus, which is excellent in heat resistance and is suppressed in occurrence of air bubbles under a high-temperature environment. A head-up display apparatus according to an embodiment of the present invention includes: a display unit configured to emit projection light; at least one reflector configured to reflect the projection light; a housing, which has an opening portion, and is configured to store the display unit and the reflector therein; a cover member configured to cover the opening portion; and a polarizing plate, which is arranged on a housing inner side of the cover member, and includes a pressure-sensitive adhesive layer and a polarizer in the stated order from a cover member side. An interlayer adhesive strength between the cover member and the pressure-sensitive adhesive layer is 39 N/25 mm or more.

Abstract: The reinforced polarizing optical film laminate comprises a polarizing film laminate containing an iodine concentration for the polarizing film and a water content for the polarizing film laminate which fall within a region surrounded, in an x-y orthogonal coordinate system in which the iodine concentration of the polarizing film is plotted on the x-axis, and the water content of the polarizing film laminate is plotted on the y-axis, by: a first line segment connecting a first point and a second point; a second line segment connecting the second point and a third point; a third line segment connecting the third point and a fourth point; a fourth line segment connecting the fourth point and a fifth point; and a fifth line segment connecting the first point and the fifth point, wherein the reinforced film laminate has a breaking strength in a MD direction of 135 N/10 mm or more.

Abstract: There is provided an optical laminate that can improve viewability by suppressing a hue change in accordance with the angle of polarized sunglasses. An optical laminate of the present invention includes: a first retardation layer; a second retardation layer; a polarizer; and a third retardation layer. The first retardation layer, the second retardation layer, the polarizer, and the third retardation layer is laminated from a viewer side in the stated order.

Abstract: A polarizing plate including an optical functional film and a polarizing film (polarizer), the polarizing plate being thin and excellent in durability of the polarizing film. The polarizing plate includes an optical functional film, a pressure-sensitive adhesive layer, a polarizing film, and a protective film in the stated order, in which: the polarizing film has a thickness of 15 ?m or less; the pressure-sensitive adhesive layer has a thickness of 15 ?m or less; the optical functional film has a moisture permeability of 200 g/m2/24 h or less; and the protective film has a moisture permeability of 1,000 g/m2/24 h or less.

Abstract: There is provided a polarizer that can realize multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein the polarizer has formed therein a transparent portion having a transmittance higher than that of another portion, and when the polarizer is placed under an environment having a temperature of 60° C. and a humidity of 90% for 2 hours, a transmittance change (?Ts) of the transparent portion is 10% or less.

Abstract: Provided is a polarizing plate including an optical functional film and a polarizing film (polarizer), the polarizing plate being thin and excellent in durability of the polarizing film. The polarizing plate of the present invention includes an optical functional film, a pressure-sensitive adhesive layer, a polarizing film, and a protective film in the stated order, in which: the polarizing film has a thickness of 15 ?m or less; the pressure-sensitive adhesive layer has a thickness of 15 ?m or less; the optical functional film has a moisture permeability of 200 g/m2/24 h or less; and the protective film has a moisture permeability of 1,000 g/m2/24 h or less.

Abstract: Provided are a cutting information determination method that can use a simpler process to improve yield, and a strip-shaped polarizing sheet manufacturing method using such a method, an optical display unit manufacturing method using such a method, a strip-shaped polarizing sheet, and a polarizing sheet material. A cutting position in the width direction A2, in which a polarizing sheet material MP is to be cut along its longitudinal direction A1, is determined based on the numbers of defects counted with respect to plural points in the width direction A2 of the polarizing sheet material MP. This makes it possible to determine the cutting position in such a way that a region with many defects does not fall within the cut width, so that a higher-yield cutting position can be determined. The cutting position can also be determined using a simple process in which defects are counted with respect to plural points in the width direction A2.

Abstract: There is provided a polarizer that can realize multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein the polarizer has formed therein a transparent portion having a transmittance higher than that of another portion, and when the polarizer is placed under an environment having a temperature of 60° C. and a humidity of 90% for 2 hours, a transmittance change (?Ts) of the transparent portion is 10% or less.

Abstract: This polarizing film is characterized by comprising an inorganic layer on one or both surfaces of a polarizing element. The polarizing film has barrier properties against steam, and, even when used in the mode of a polarizing film with an adhesive layer, has good adhesion with the adhesive layer.

Abstract: The present invention provides a thin polarizing film which has only a small environmental load and has excellent optical characteristics. The thin polarizing film is produced by forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate. The thin polarizing film has a thickness of 10 ?m or less, a single axis transmittance of 42.0% or more, a polarization degree of 99.95% or more, and an iodine content of 17.6 grams per 400×700 square millimeters or less, which is measured by an ion chromatography method.

Abstract: The present invention provides a thin polarizing film which has only a small environmental load and has excellent optical characteristics. The thin polarizing film is produced by forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate. The thin polarizing film has a thickness of 10 ?m or less, a single axis transmittance of 42.0% or more, a polarization degree of 99.95% or more, and an iodine content of 17.6 grams per 400×700 square millimeters or less, which is measured by an ion chromatography method.

Abstract: An optical laminate in which a polarizing film including a polyvinyl alcohol-based resin having oriented iodine is bonded on a first surface of the polarizing film to an optical film through an optically transparent adhesive layer is provided. The polarizing film exhibits a property that a value expressed by the following formula: Aa×(Is/Ia), is 0.53 or more, where: Aa represents an absorbance; Ia represents a value obtained by integrating a distribution of integrated intensities in the thickness direction of the polarizing film; and Is represents a value obtained by integrating, a distribution of integrated intensities in the thickness direction of the polarizing film; and the adhesive layer exhibits a property that a difference between a refractive index of the adhesive layer and a refractive index in the absorption axis direction of the polarizing film at the first surface of the polarizing film is 0.08 or less.

Abstract: The present invention provides a thin polarizing film which has only a small environmental load and has excellent optical characteristics. The thin polarizing film is produced by forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate. The thin polarizing film has a thickness of 10 ?m or less, a single axis transmittance of 42.0% or more, a polarization degree of 99.95% or more, and an iodine content of 17.6 grams per 400×700 square millimeters or less, which is measured by an ion chromatography method.

Abstract: The present invention provides a thin polarizing film which has only a small environmental load and has excellent optical characteristics. The thin polarizing film is produced by forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate. The thin polarizing film has a thickness of 10 ?m or less, a single axis transmittance of 42.0% or more, a polarization degree of 99.95% or more, and an iodine content of 17.6 grams per 400×700 square millimeters or less, which is measured by an ion chromatography method.

Abstract: An optical laminate in which a polarizing film including a polyvinyl alcohol-based resin having oriented iodine is bonded on a first surface of the polarizing film to an optical film through an optically transparent adhesive layer is provided. The polarizing film exhibits a property that a value expressed by the following formula: Aa×(Is/Ia), is 0.53 or more, where: Aa represents an absorbance; Ia represents a value obtained by integrating a distribution of integrated intensities in the thickness direction of the polarizing film; and Is represents a value obtained by integrating, a distribution of integrated intensities in the thickness direction of the polarizing film; and the adhesive layer exhibits a property that a difference between a refractive index of the adhesive layer and a refractive index in the absorption axis direction of the polarizing film at the first surface of the polarizing film is 0.08 or less.

Abstract: Provided is a protective film capable of satisfactorily suppressing warping of a polarizing plate. The protective film of the present invention, includes a first resin layer (11), an adhesion layer (13), and a second resin layer (12) in the stated order.

Abstract: Provided are a cutting information determination method that can use a simpler process to improve yield, and a strip-shaped polarizing sheet manufacturing method using such a method, an optical display unit manufacturing method using such a method, a strip-shaped polarizing sheet, and a polarizing sheet material. A cutting position in the width direction A2, in which a polarizing sheet material MP is to be cut along its longitudinal direction A1, is determined based on the numbers of defects counted with respect to plural points in the width direction A2 of the polarizing sheet material MP. This makes it possible to determine the cutting position in such a way that a region with many defects does not fall within the cut width, so that a higher-yield cutting position can be determined. The cutting position can also be determined using a simple process in which defects are counted with respect to plural points in the width direction A2.