The present invention provides: a laminate which has a polarizer and an optically anisotropic layer and has excellent thermal durability; and an organic electroluminescent device and a liquid crystal display device, which include the laminate. The laminate according to the embodiment of the present invention is a laminate having two substrates, and a polarizing plate disposed between the two substrates, in which the polarizing plate has an optically anisotropic layer and a polarizer, the optically anisotropic layer is formed of a composition containing a polymerizable liquid crystal compound represented by Formula (I), the polarizer contains a polyvinyl alcohol-based resin, and a moisture permeability of the substrate is 10.sup.−3 g/m.sup.2.Math.day or less. ##STR00001##

The present invention provides: a laminate which has a polarizer and an optically anisotropic layer and has excellent thermal durability; and an organic electroluminescent device and a liquid crystal display device, which include the laminate. The laminate according to the embodiment of the present invention is a laminate having two substrates, and a polarizing plate disposed between the two substrates, in which the polarizing plate has an optically anisotropic layer and a polarizer, the optically anisotropic layer is formed of a composition containing a polymerizable liquid crystal compound represented by Formula (I), the polarizer contains a polyvinyl alcohol-based resin, and a moisture permeability of the substrate is 10.sup.−3 g/m.sup.2.Math.day or less. ##STR00001##

A primer coating composition for bonding a functional laminate to a lens during cast-polymerization, including an acrylic polymer; a urethane acrylate oligomer; a reactive component capable of reacting with a lens-casting monomer for casting the cast-polymerized lens, a UV initiator or a thermal initiator, and a solvent. A method for cast-polymerizing a lens, including applying the primer coating composition to at least one external surface of a functional laminate; cutting and forming the functional laminate, placing the shaped functional laminate to which the primer coating is applied and a monomer for casting a lens in a casting cell so that the monomer contacts the primed surface of the functional laminate, and cast-polymerizing the monomer in the casting cell. An ophthalmic lens, including a cast-polymerized lens including at least one polymer, a functional laminate, and a primer coating obtained y curing the primer coating composition and deposited on at least one external surface of the functional laminate.

A primer coating composition for bonding a functional laminate to a lens during cast-polymerization, including an acrylic polymer; a urethane acrylate oligomer; a reactive component capable of reacting with a lens-casting monomer for casting the cast-polymerized lens, a UV initiator or a thermal initiator, and a solvent. A method for cast-polymerizing a lens, including applying the primer coating composition to at least one external surface of a functional laminate; cutting and forming the functional laminate, placing the shaped functional laminate to which the primer coating is applied and a monomer for casting a lens in a casting cell so that the monomer contacts the primed surface of the functional laminate, and cast-polymerizing the monomer in the casting cell. An ophthalmic lens, including a cast-polymerized lens including at least one polymer, a functional laminate, and a primer coating obtained y curing the primer coating composition and deposited on at least one external surface of the functional laminate.

Provided is a manufacturing method of an optical film, which manufactures an optical film in which at least a first film and a second film are stacked, the method including: pressing the first film and the second film with the optical film by passing both the first film and the second film between a pair of pressing rolls; forming a slit line in a width direction of the optical film by cutting the second film without cutting the first film at a rear end of a connection portion when the connection portion is included, to which a unit film is connected by a connection member between the first film and the second film which are pressed in the pressing; and conveying the optical film by passing the optical film with the slit line in the slit forming between a pair of conveying rolls.

Provided is a manufacturing method of an optical film, which manufactures an optical film in which at least a first film and a second film are stacked, the method including: pressing the first film and the second film with the optical film by passing both the first film and the second film between a pair of pressing rolls; forming a slit line in a width direction of the optical film by cutting the second film without cutting the first film at a rear end of a connection portion when the connection portion is included, to which a unit film is connected by a connection member between the first film and the second film which are pressed in the pressing; and conveying the optical film by passing the optical film with the slit line in the slit forming between a pair of conveying rolls.

Provided are an image display unit and a head-mounted display where the size is small, the light utilization efficiency is high, and a decrease in image quality is small. The image display unit includes: an image display apparatus; a polarization diffraction element that diffracts light emitted from the image display apparatus; and a polarizing plate that allows transmission of the polarized light diffracted by the polarization diffraction element and absorbs light not diffracted by the polarization diffraction element, in which the polarization diffraction element is a polarization diffraction lens having a lens function, and in a case where a focal length of the polarization diffraction lens is represented by f and a distance between the image display apparatus and the polarization diffraction lens is represented by d, d≤f is satisfied.

The present invention relates to a reverse wavelength dispersion compound, a reverse wavelength dispersion composition including the same, and an optically anisotropic body including the same. The reverse wavelength dispersion composition according to the present invention can provide a stronger and more stable reverse wavelength dispersion property, and makes it possible to provide an optically anisotropic body having excellent optical properties.

The present invention relates to a reverse wavelength dispersion compound, a reverse wavelength dispersion composition including the same, and an optically anisotropic body including the same. The reverse wavelength dispersion composition according to the present invention can provide a stronger and more stable reverse wavelength dispersion property, and makes it possible to provide an optically anisotropic body having excellent optical properties.

There is provided an optical modulator capable of electrically controlling intensity of transmitted light in a desired wavelength range at a high speed and reducing the size of a device containing the optical modulator. The optical modulator includes a first electrode; a second electrode; and a dielectric layer provided between the first and second electrodes. At least one of the first electrode and the second electrode comprises at least one layer of graphene. There are also provided an imaging device and a display apparatus each containing the optical modulator.