An electro-optic window includes a first substrate; an electro-optic element generally parallel to the first substrate, the electro-optic element including: a second substrate; a third substrate generally parallel to the second substrate; a sealing member disposed along at least a portion of a perimeter of one of the second and third substrates and extending therebetween; and a cavity defined between the second and third substrates. The sealing member defines the sidewalls of the cavity. A first layer of film having a perimeter portion and a central portion is disposed between at least a portion of the first and second substrates, and may be coextensive with the sealing member.

An interlayer film for laminated glass of the present invention comprises at least an absorption region in which a skin absorption energy rate (X1) of a laminated glass is 25% or less, provided that the laminated glass is produced using two clear glass plates having a solar transmittance of 87.3% based on JIS R 3106.

Provided is an interlayer film for laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass. The interlayer film for laminated glass according to the present invention has a lengthwise direction and a widthwise direction, and includes the following configuration A, the configuration B or the configuration C. Configuration A: containing a light stabilizer, and having such a distribution in content of the light stabilizer in the widthwise direction that the content of the light stabilizer is larger in one end side of the widthwise direction. Configuration B: containing an ultraviolet ray screening agent, and having such a distribution in content of the ultraviolet ray screening agent in the widthwise direction that the content of the ultraviolet ray screening agent is larger in one end side of the widthwise direction. Configuration C: containing an oxidation inhibitor, and having such a distribution in content of the oxidation inhibitor in the widthwise direction that the content of the oxidation inhibitor is larger in one end side of the widthwise direction.

A glass lamination film includes a tinted zone in which one or more colored layers are disposed and a clear zone. The tinted zone includes a colored zone with a fixed color and a color change zone disposed between the colored zone and the clear zone, and a color of the color change zone has a varying density. A fade off zone has relative transmittance (Rt, %) of 30 to 80%. The color change zone includes the fade off zone having a distance of 15 to 25 mm. The colored layer includes a first colored layer and a second colored layer disposed below the first colored layer. An amount of plasticizer in the second colored layer is larger than an amount of the plasticizer in the first colored layer.

A film for glass lamination includes a pigment portion occupying some or a whole of the film, wherein the pigment portion includes a polyvinyl acetal resin, a pigment, a plasticizer, and a trioxane-based compound.

Provided is an interlayer film for laminated glass, having a dark color part with uniform parallel light transmittance in a shading region, and capable of suppressing color unevenness in the shading region. An interlayer film for laminated glass according to the present invention has one end, and the other on an opposite side of the one end, the other end has a thickness larger than a thickness of the one end, and when the interlayer film is arranged between two sheets of clear glass conforming to JIS R3202:1996 to obtain a laminated glass X, and a specific measurement of parallel light transmittance is conducted for the laminated glass X obtained, the interlayer film has a gradation part in which a parallel light transmittance continuously reduces from the one end side to the other end side, and an absolute value of a variation rate in the parallel light transmittance is more than 0.3%/mm; a transparent part located closer to the one end side than the gradation part and having a parallel light transmittance of 60% or more; and a dark color part located closer to the other end side than the gradation part and including one or more points A having an absolute value of a variation rate in the parallel light transmittance of 0.3%/mm or less.

A composite pane having electrically controllable optical properties, includes an outer pane and an inner pane, which are joined to one another via a thermoplastic intermediate layer, wherein an optoelectronic functional element having electrically controllable optical properties is embedded in the intermediate layer, which functional element comprises an active layer, with which transparent flat control electrodes are associated on both surfaces, between a first carrier film and a second carrier film, and wherein a capacitive contact switching element is arranged between the active layer and the thermoplastic intermediate layer.

The present invention is a windshield on which an information acquisition device that acquires information from outside of a vehicle by emitting and/or receiving light can be arranged, the windshield including: an outer glass plate; an inner glass plate; an interlayer film arranged between the outer glass plate and the inner glass plate; and a mask layer laminated on at least one of a surface on a vehicle interior side of the outer glass plate and a surface on a vehicle exterior side of the inner glass plate, in which the interlayer film includes a colored shade region, a transparent non-shade region, and a transparent sheet member that is fitted into at least one through hole formed over the shade region and the non-shade region.

The interlayer film for laminated glass according to the present invention includes at least one graphene-based material selected from the group consisting of graphene and graphite.

A windshield according to the present invention includes an outer glass plate, an inner glass plate that faces the outer glass plate, and an intermediate film disposed between the outer glass plate and the inner glass plate, and in at least a partial region of the outer glass plate and the inner glass plate, compressive principal stress on a surface on a vehicle exterior side of the outer glass plate is larger than compressive principal stress on a surface on a vehicle interior side of the inner glass plate.