Abstract: A liquid crystal display apparatus having improved viewing angle characteristics in a region vertically asymmetrical. A liquid crystal display apparatus of the present invention includes: a liquid crystal cell including a liquid crystal layer containing liquid crystal molecules aligned in homogeneous alignment under a state in which an electric field is absent; a first polarizer arranged on a viewer side of the liquid crystal cell; a second polarizer arranged on a back surface side of the liquid crystal cell; a first optical compensation layer arranged between the liquid crystal cell and the first polarizer; and a second optical compensation layer arranged between the liquid crystal cell and the first optical compensation layer. A refractive index nz1 in a thickness direction of the first optical compensation layer is less than 1.5187, and a refractive index nz2 in a thickness direction of the second optical compensation layer is less than 1.5340.

Abstract: An object of the present invention is to provide a polarizer having a neutralized hue without any increase in transmittance. A polarizer of the present invention having a transmittance parameter represented by the equation (1) of 0.8 or more and a hue parameter represented by the equation (2) of 5 or less: Transmittance parameter=T420/T550??(1) in the equation (1), T420 represents a parallel transmittance at a wavelength of 420 nm and T550 represents a parallel transmittance at a wavelength of 550 nm; Hue parameter=(a2+b2)??(2) in the equation (2), a represents a parallel hue value ‘a’ and b represents a parallel hue value ‘b’.

Abstract: There is provided a liquid crystal display apparatus having the following feature: although the liquid crystal display apparatus has a step between its display screen and outermost surface, the step is hardly recognized; and the liquid crystal display apparatus can achieve bright display. A liquid crystal display apparatus according to the present invention includes a liquid crystal cell; a first polarizer arranged on a back surface side of the liquid crystal cell; a cover sheet arranged on a viewer side of the liquid crystal cell, the cover sheet having a transmission portion at a position corresponding to a display region of the liquid crystal cell; and a second polarizer arranged on a viewer side of the cover sheet to cover the transmission portion, wherein an absorption axis direction of the first polarizer and an absorption axis direction of the second polarizer are substantially perpendicular to each other.

Abstract: There is provided a liquid crystal display apparatus having the following feature: although the liquid crystal display apparatus has a step between its display screen and outermost surface, the step is hardly recognized; and the liquid crystal display apparatus can achieve bright display. A liquid crystal display apparatus according to the present invention includes a liquid crystal cell; a first polarizer arranged on a back surface side of the liquid crystal cell; a cover sheet arranged on a viewer side of the liquid crystal cell, the cover sheet having a transmission portion at a position corresponding to a display region of the liquid crystal cell; and a second polarizer arranged on a viewer side of the cover sheet to cover the transmission portion, wherein an absorption axis direction of the first polarizer and an absorption axis direction of the second polarizer are substantially perpendicular to each other.

Abstract: There is provided a polarizing plate excellent in durability. A method of producing a polarizing plate according to an embodiment of the present invention includes: preparing a polarizing film laminate including a polarizer and a protective film arranged on at least one side of the polarizer; and shrinking the polarizing film laminate.

Abstract: There is provided an optical laminate that can achieve a liquid crystal display apparatus in which the occurrence of moire is suppressed, and which is excellent in brightness and viewing angle characteristic. An optical laminate of the present invention includes in the stated order: a polarizer; a light-diffusing pressure-sensitive adhesive layer; a matte layer; and a louver layer. The louver layer has light-transmitting portions each having a trapezoidal section arrayed along a film plane, and light-absorbing portions each having a trapezoidal section arrayed between the light-transmitting portions. A haze value H of the light-diffusing pressure-sensitive adhesive layer and a bias angle B of the louver layer satisfy relationships represented by the following expressions (1) to (3): 2?B?6??(1) 20?H?60??(2) B×H?40??(3) where the bias angle means a tilt angle of each of the trapezoidal sections with respect to a normal direction.

Abstract: An object of the present invention is to provide an optical laminate that can achieve an excellent reflection hue and an excellent viewing angle characteristic. An optical laminate of the present invention includes a polarizer; a retardation layer configured to substantially function as a ?/4 plate; and a light-diffusing layer. The polarizer has a hue a of from ?1.2 to 0 and a hue b of from 0 to 3.0.

Abstract: A primary object of the present invention is to provide a polarizing plate excellent in durability. A polarizing plate (100) according to an embodiment of the present invention includes: a polarizer (10); and a protective film (21 and 22) arranged on at least one side of the polarizer (10). The polarizing plate (100) has a dimensional change ratio of ?0.2% or more in a transmission axis direction thereof when the polarizing plate (100) cut into a size measuring 100 mm by 100 mm is bonded to a glass plate with a pressure-sensitive adhesive and the following operation is repeated 100 times: the polarizing plate (100) bonded to the glass plate is left to stand under an atmosphere at ?40° C. for 30 minutes and then left to stand under an atmosphere at 85° C. for 30 minutes.

Abstract: There is provided an optical member that can suppress a reduction in viewability when a liquid crystal display apparatus with a protective cover is viewed through polarized sunglasses at low cost. An optical member according to an embodiment of the present invention includes: a polarizing film; and a protective cover. The protective cover has an in-plane retardation of 1,000 nm or more. An angle formed by a slow axis of the protective cover and an absorption axis of the polarizing film is from 40° to 50°.

Abstract: A stamping device has: a die seat that a metal sheet, as a workpiece, abuts; and a stamping punch configured to stamp a character to be stamped onto a front surface of the metal sheet by pressing the stamping punch onto a stamped region of the metal sheet from the front surface side of the metal sheet. A stamp-receiving region that corresponds to the stamped region is provided on a front surface of the die seat, and, in this stamp-receiving region, plural dents are provided in such a manner as to correspond to the stamped region of the single character to be stamped.

Abstract: A primary object of the present invention is to provide a polarizing plate excellent in durability. A polarizing plate (100) according to an embodiment of the present invention includes: a polarizer (10); and a protective film (21 and 22) arranged on at least one side of the polarizer (10). The polarizing plate (100) has a dimensional change ratio of ?0.2% or more in a transmission axis direction thereof when the polarizing plate (100) cut into a size measuring 100 mm by 100 mm is bonded to a glass plate with a pressure-sensitive adhesive and the following operation is repeated 100 times: the polarizing plate (100) bonded to the glass plate is left to stand under an atmosphere at ?40° C. for 30 minutes and then left to stand under an atmosphere at 85° C. for 30 minutes.

Abstract: A polarizing plate excellent in durability. A polarizing plate 100 according to one embodiment includes a polarizer 10; and a pair of protective films 21, 22 respectively arranged on both main surfaces of the polarizer 10, wherein the polarizing plate 100 has a polarizer void portion 30 formed by positioning of an end surface 10a of the polarizer 10 inward in a plane direction relative to each of end surfaces 21a, 22a of the protective films 21, 22.

Abstract: There is provided a polarizing plate excellent in durability. A polarizing plate 100 according to one embodiment of the present invention includes a polarizer 10; and a pair of protective films 21, 22 respectively arranged on both main surfaces of the polarizer 10, wherein the polarizing plate 100 has a polarizer void portion 30 formed by positioning of an end surface 10a of the polarizer 10 inward in a plane direction relative to each of end surfaces 21a, 22a of the protective films 21, 22.

Abstract: There is provided a polarizing plate excellent in durability. A method of producing a polarizing plate according to an embodiment of the present invention includes: preparing a polarizing film laminate including a polarizer and a protective film arranged on at least one side of the polarizer; and shrinking the polarizing film laminate.

Abstract: There is provided a polarizer excellent in heat resistance. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein an end portion of the resin film has formed therein a high-concentration portion having a concentration of a substance that forms a counter ion of iodine higher than that of another portion.

Abstract: There is provided a polarizing plate excellent in durability. A method of producing a polarizing plate according to an embodiment of the present invention includes: preparing a polarizing film laminate including a polarizer and a protective film arranged on at least one side of the polarizer; and shrinking the polarizing film laminate.

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: There is provided a polarizing plate excellent in durability. A method of producing a polarizing plate according to an embodiment of the present invention includes: preparing a polarizing film laminate including a polarizer and a protective film arranged on at least one side of the polarizer; and shrinking the polarizing film laminate.

Abstract: There is provided an optical laminate that can achieve a liquid crystal display apparatus in which the occurrence of moire is suppressed, and which is excellent in brightness and viewing angle characteristic. An optical laminate of the present invention includes in the stated order: a polarizer; a light-diffusing pressure-sensitive adhesive layer; a matte layer; and a louver layer. The louver layer has light-transmitting portions each having a trapezoidal section arrayed along a film plane, and light-absorbing portions each having a trapezoidal section arrayed between the light-transmitting portions. A haze value H of the light-diffusing pressure-sensitive adhesive layer and a bias angle B of the louver layer satisfy relationships represented by the following expressions (1) to (3): 2?B?6??(1) 20?H?60??(2) B×H?40??(3) where the bias angle means a tilt angle of each of the trapezoidal sections with respect to a normal direction.

Abstract: Provided is an image display mirror that includes a half mirror and an image display apparatus, reduces an influence of a reflected image provided by the half mirror, and is excellent in visibility of an image displayed on the image display apparatus. The image display mirror for a vehicle includes a first polarizing plate, a half mirror, and an image display apparatus in the stated order from a viewer side. In one embodiment, the first polarizing plate includes a polarizer, and the direction of the polarizer of the first polarizing plate is set so that the transmittance of light output from the image display apparatus that is transmitted through the first polarizing plate becomes maximum.