A facade element includes a coloring transparent or semi-transparent first pane and a mechanically supporting transparent second pane firmly connected to one another by an intermediate layer. The first pane has a front surface arranged on the light incidence side and an opposite back surface, at least one surface of the front and back surfaces has at least one structured region, and at least one optical interference layer is arranged on the at least one surface for reflecting light within a predetermined wavelength range. The structured region has the following features: perpendicular to the plane of the first pane, a height profile comprising peaks and valleys, wherein an average height difference between the peaks and valleys is at least 2 μm, at least 50% of the structured region is composed of segments which are inclined with respect to the plane of the first pane (2).

The present invention relates to a laminated glass for vehicle, including a first glass plate and a second glass plate joined to each other by an intermediate film, in which the first glass plate has a second main surface facing the intermediate film; the laminated glass has a first region with the second glass plate and a second region with no second glass plate in a plan view; the laminated glass has a filling portion that includes an electromagnetic wave transmission member and is disposed continuously from the second main surface on the second region toward a space between the first glass plate and the second glass plate in the first region to cross the entire boundary between the first region and the second region; and the second region is higher in transmittance of millimeter waves than the first region.

A glass unit for an illuminated vehicle roof including a glass pane, a glass primer layer, and a polyurethane layer. The glass pane is provided, on one side, with the glass primer layer, wherein a polyurethane layer is in turn applied to the glass primer layer.

A method of preparing a glazing, comprising: stacking a first glass sheet, a first interlayer, a photopolymer film, a second interlayer, and a second glass sheet to provide a lamination stack; &airing the lamination stack; autoclaving the lamination stack to provide a laminated glazing; applying a reactive light to the photopolymer film in the laminated glazing, wherein reactive light is applied to the laminated glazing through a master holographic film; and bleaching the laminated glazing such that the photopolymer film is no longer reactive to light exposure.

A glass substrate with a silica film according to the present invention includes a glass substrate and a silica film formed using a silica film-forming composition, in which the composition includes at least one kind selected from the group consisting of a hydrolyzable compound, a hydrolyzate thereof, and a hydrolysis condensation compound thereof, and at least one kind selected from the group consisting of a silica particle and a zirconia particle, the hydrolyzable compound consisting of a tetraalkoxysilane, a compound (compound I) represented by formula I: (R.sub.3-p(L).sub.pSi-Q-Si(L).sub.pR.sub.3-p), optionally a fluoroalkylsilane having a hydrolysable group, and optionally a zirconium compound having a hydrolyzable group, and the contents of the tetraalkoxysilane, the compound I, and the at least one kind selected from the group consisting of a silica particle and a zirconia particle in terms of SiO.sub.2/ZrO.sub.2 fall within specified ranges, respectively.

A composite pane includes an outer pane having outer and inner surfaces, a first thermoplastic intermediate layer, a hologram element including a first set of holograms produced in one or more layers of a holographic material, wherein the first set of holograms includes a blue hologram that is activatable by blue light having a wavelength in a first range and is not responsive to light of other wavelengths, a green hologram that is activatable by green light having a wavelength in a second range and is not responsive to light of other wavelengths, and a red hologram that is activatable by red light having a wavelength in a third range and is not responsive to light of other wavelengths, an inner pane, and a color-selective optical filter for selective absorption of light.

A laminated glass luminescent concentrator is provided which includes a solid medium having a plurality of fluorophores disposed therein. In some embodiments, the fluorophore is a low-toxicity quantum dot. In some embodiments, the fluorophore has significantly reduced self-absorption, which allows for unperturbed waveguiding of the photoluminescence over a long distance. Also disclosed are apparatuses for generating electricity from the laminated glass luminescent concentrator, and its combination with buildings and vehicles.

Provided are a far infrared reflective film including a support, and a fibrous silver particles-containing layer provided on the support, in which the fibrous silver particles-containing layer includes fibrous silver particles, and a sol-gel hardened material obtained by hydrolysis and polycondensation of a metal coupling agent including a functional group capable of interacting with the fibrous silver particles, and an alkoxide compound, which has excellent heat insulating properties, film hardness, and surface properties; a dispersion for forming a far infrared reflective film; a manufacturing method of a far infrared reflective film; a far infrared reflective glass; and a window.

A composite pane for a motor vehicle, in particular the front pane, is formed from a first pane and a second pane, which are adhered to one another by way of a film. A coating reflecting infrared rays is applied to the film. The coating has at least one cut-out, within which a transponder is arranged between the two panes. A motor vehicle has a composite pane as described above.

Infrared reflectors are described. In particular, infrared reflectors with reduced off-axis color are described. Such infrared reflectors may be useful in laminated glass constructions, particularly for applications where the glass may be exposed to water.