A transparent heat-insulating film is provided, wherein the transparent heat-insulating film includes a base layer including a first surface and a second surface, a hard-coat layer, a silver nanowire layer, and a protective layer including an inner surface and an outer surface. The hard-coat layer and the silver nanowire layer are disposed between the first surface of the base layer and the inner surface of the protective layer. A temperature of the second surface of the base layer is T1 (° C.), a temperature of the outer surface of the protective layer is T2 (° C.), and a temperature difference between T1 and T2 (T1−T2) is ΔT. When T1=50-100° C. and the base layer and the protective layer reach thermal equilibrium, ΔT=0.15T1−0.35T1.

Provided are a flexible window film and a display apparatus comprising same, the flexible window film having a substrate layer, a buffer layer and a hard coating layer that are sequentially layered, wherein the buffer layer comprises, in a thickness direction, a first area in which the amount of an amide group gradually increases from the interface between the hard coating layer and the buffer layer, and a second area in which the amount of an amide group gradually decreases from the interface between the substrate layer and the buffer layer.

The present invention provides an environment-responsive laminated film including an inorganic thin film layer and a protective layer in this order on a substrate film layer using a polyester resin recycled from PET bottles. The laminated film has excellent barrier properties and adhesiveness even after a severe wet heat treatment and has less deterioration in appearance of the film even after retorting. The laminated film comprises a substrate film; an inorganic thin film layer on at least one surface of the substrate film; and a protective layer containing a urethane resin on the inorganic thin film layer, wherein (a) the substrate film contains 50% by weight or more of a polyester resin recycled from PET bottles; (b) standard deviation of a haze after retorting the laminated film at 130° C. for 30 minutes is 0.5% or less; and (c) an adhesion amount of the protective layer is 0.5 g/m.sup.2 or less.

A bonding laminated film for bonding, and a light transmission laminate are provided. The bonding laminating film and the light transmission laminate comprise a first layer comprising a first surface and a second surface opposite to the first surface, and a second layer disposed inside the first layer and comprising a wedge part whose cross section is triangular or trapezoidal in a part or a whole of the second layer. The refractive index of the second layer is higher than the refractive index of the first layer. The bonding laminated film has an overall even thickness, and has anti-double-image elements in a desired area though a bonding laminated film, and has a substantially non-wedge shape.

A spandrel including a first substrate, an intermediate film made of polymer material, and a second, opaque substrate, such that the first substrate is coated with at most two layers which are deposited on the surface located on the side facing the intermediate film made of polymer material and which include at least one upper dielectric layer.

A rearview system may comprise a light sensor assembly having: a photosensor operable to detect light and generate a signal based, at least in part, on the detected light; a dichroic filter in optical communication with the photosensor and operable to filter light; and a rearview assembly having an electro-optic element may comprise an electro-optic medium and operable to variably change the amount of light passing through the electro-optic medium based, at least in part, on the signal. The dichroic filter may be configured to substantially inhibit light having a wavelength of less than 400 nm or greater than 650 nm from transmitting therethrough.

A transparent resin substrate composed of a light-transmitting resin base sheet, and an underlying layer, a hard coat layer, and an antireflection coating formed sequentially on the base sheet. The antireflection coating includes a medium refractive index layer on the hard coat layer, and a low refractive index layer on the medium refractive index layer. The underlying layer is a cured product of a hexa- or higher functional urethane acrylate monomer. The hard coat layer is a cured product of a hard coat layer composition containing a polymerizable monomer containing 50% by mass or more of a tri- or lower functional urethane acrylate monomer, silica particles, a silane coupling agent, and a metal chelate compound. The medium refractive index layer is a cured product of a medium refractive index layer composition. The low refractive index layer is a particle-free cured product of a low refractive index layer composition.

The invention provides a polyolefin-based resin film including a polyolefin-based resin composition that includes at least a propylene-α olefin random copolymer, wherein (1) an olefin-based block copolymer is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (2) an olefin-based copolymeric elastomer resin is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (3) a propylene homopolymer is 0 to 40 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (4) the polyolefin-based resin film exhibits a thermal shrinkage rate of 25% or less in a direction in which the thermal shrinkage rate is larger between a longitudinal direction and a lateral direction; and (5) a planar orientation coefficient ΔP calculated from a refractive index of the polyolefin-based resin film is 0.0100-0.0145.

A paint substitute film comprises a base film, a colored layer, and a hard coat layer, wherein the base film, the colored layer, and the hard coat layer are laminated in this order. The base film contains thermoplastic resin and concealing material. Refractive index of the concealing material is not less than 1.70. Scattering coefficient from wavelength 400 nm to 700 nm of the base film is not less than 0.20 μm.sup.−1. Contrast ratio of the base film when at 20% elongation is not less than 0.70.

Example embodiments relates to a film having excellent mechanical properties with excellent optical properties such as refractive index, haze, yellow index, and the like, light transmitting laminate, use as a cover film, a multi-layered electronic device, and the like comprising the same.

The film comprises an elastic layer, the elastic layer has a refractive index of 1.48 to 1.58, a low temperature damage index is a difference of a tensile modulus and a tensile strength at a certain temperature, and the elastic layer has a low temperature index of 1,300 MPa or less.