The present invention aims to provide a filling-bonding material that is suitably used to fill a space between parts, while bonding the parts, in optical devices in various shapes not limited to flat shapes. The present invention also aims to provide a protective sheet-equipped filling-bonding material, a laminate, an optical device, and a protective panel for an optical device each including the filling-bonding material. Provided is a filling-bonding material having a shape with an uneven thickness.

There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared. The interlayer film for laminated glass according to the present invention includes a first resin layer containing a thermoplastic resin and a plasticizer and a second resin layer containing a thermoplastic resin, a plasticizer and inorganic particles, and the first resin layer being arranged on a first surface side of the second resin layer, wherein a gradation part being a region where the parallel light transmittance is greater than 30% and less than 60% and being a region where the thickness of the second resin layer is continuously decreased in the direction orthogonal to the thickness direction of the interlayer film at the time of preparing the laminated glass exists, and the complex viscosity at 200 C. of the second resin layer is greater than or equal to 0.7 times and less than or equal to 2 times the complex viscosity at 200 C. of the first resin layer.

A laminated glazing comprises a first glass sheet, a first interlayer, a second interlayer, and a second glass sheet. At least a portion of the second interlayer includes a first opaque print, and the first opaque print at least partially surrounds a window for collection of information. Optical distortion in the window for collection of information in the laminated glazing is closer to zero than an average optical distortion outside of the window for collection of information.

A composite pane includes an outer pane and an inner pane, which are connected to one another via a thermoplastic intermediate layer, wherein the composite pane has an opaque masking region and a transparent see-through region, wherein the intermediate layer has a functional element which covers the entire see-through region, wherein at least one region of the side edge of the functional element does not extend as far as the side edge of the composite pane but is arranged within the masking region, and wherein the surface of the outer pane facing away from the intermediate layer has a pattern of coated regions in the masking region which are provided with a partially transparent reflective coating.

Laminated glazings having improved sound or acoustic properties are disclosed. The laminated glazings comprise two rigid substrates and a multilayer polymer interlayer, and the laminated glazing has a damping loss factor (?) per glazing area (1/m.sup.2) measured directly on the laminated glazing of at least 0.0450.

A laminated vehicle glazing is disclosed, the glazing comprising a first glass ply coated with an electrically conductive coating, a second glass ply, an interlayer ply comprising polyvinyl butyral, and a first busbar comprising a conductive foil, wherein the electrically conductive coating comprises a pyrolytically deposited transparent conductive oxide layer and in that the first busbar is in direct contact with both the electrically conductive coating and the interlayer ply. Preferably the pyrolytically deposited transparent oxide layer comprises doped tin oxide and is the outermost layer of the electrically conductive coating. Also disclosed are a vehicle windshield and a train having a power supply at 25 V to 250 V, comprising a laminated vehicle glazing. A method for manufacturing a laminated vehicle glazing is also disclosed.

A fluorescent display suitable for use in a heads up display contains a laminated glass structure containing a plasticized polyvinyl acetal film, at least one fluorophore, and at least one UV absorber, wherein the fluorophore and UV absorber are and remain spatially separated in the laminating film such that UV light projected from a display generating projector remains able to activate the fluorophores, and a UV component of sunlight has lessened ability to activate the fluorophore.

Layered structures consisting of at least one film A containing a polyvinyl acetal PA and at most 16% by weight of plasticizer WA and at least one film B containing a polyvinyl acetal PB and at least 16% by weight plasticizer WB between two glass sheets, are produced by adhering at least one film A to at least one film B or at least one of the glass sheets by means of a liquid. The layered structure can then be pressed to form a composite glass laminate.

A windshield with an electrically controllable sun visor is described. The windshield includes an outer pane and an inner pane that are bonded to one another via an intermediate layer. According to one aspect, a functional element with electrically controllable optical properties is incorporated into the intermediate layer and above a central field of vision. The functional element is connected to the outer pane via a region of a first thermoplastic layer, and is connected to the inner pane via a region of a second thermoplastic layer. According to another aspect, the region of the first thermoplastic layer and/or the region of the second thermoplastic layer is tinted or colored.

Laminated glass for vehicles comprising an interior glass plate and an exterior glass plate, an interlayer film between the interior glass plate and the exterior glass plate, and a light control element sealed in the interlayer film, wherein the light control element has a pair of substrates and a light control layer between the pair of substrates, and the interlayer film includes an interior portion on the vehicle-interior side of the light control layer, and an exterior portion on the vehicle-exterior side of the light control layer, when the transmittance of the exterior glass plate, the exterior portion of the interlayer film, and the substrate on the vehicle-exterior side, of the light control layer, is Tout, and the transmittance of the interior glass plate, the interior portion of the interlayer film, and the substrate on the vehicle-interior side, of the light control layer, is Tin, a relation Tout<Tin is satisfied.