The present invention provides a highly reliable multilayered glass panel and an encapsulating material for achieving the highly reliable multilayered glass panel. The encapsulating material includes lead-free low melting glass particles containing vanadium oxide and tellurium oxide, low thermal expansion filler particles, and glass beads as a solid content. A volume fraction of the glass beads in the solid content is not less than 10% to not more than 35%, and a volume fraction of the lead-free low melting glass particles in the solid content is larger than a volume fraction of the low thermal expansion filler in the solid content.

The invention relates to a roof window comprising a frame and a laminated vacuum insulated glass (laminated VIG) unit fixed in said frame, the laminated VIG unit comprising: a first glass sheet and a second glass sheet, wherein the first and second glass sheets are separated by an evacuated gap, and wherein a plurality of support structures are distributed inside the evacuated gap between the first and second glass sheets, a lamination layer arranged between the first glass sheet and a further sheet, said lamination layer is bonding to an outer major surface of the first glass sheet facing the evacuated gap, wherein the lamination layer comprises at least a first layer and a second layer of a polymer material, wherein, when the roof window is exposed to impacts; the fluctuation in decibel (dB) over a range of 1000 Hz in the interval from 20 Hz to 13000 Hz will not exceed 10 dB.

A fire resistant vacuum insulating glazing assembly includes at least one vacuum insulating glazing unit that has a first glass pane, GP1, which includes an inner pane face and an outer pane face and a second glass pane, GP2, which includes an inner pane face and an outer pane face. A set of discrete pillars is positioned between the first and second glass panes and maintains a distance between the first and the second glass panes. A hermetically bonding seal seals the distance between the first and second glass panes over a perimeter. An internal volume, V, is defined by the first and second glass panes and is closed by the hermetically bonding seal. There is a vacuum of absolute pressure of less than 0.1 mbar and the inner pane faces face the internal volume, V.

A fire resistant vacuum insulating glazing assembly with at least one vacuum insulating glazing unit having first and second glass panes; a set of discrete pillars between the glass panes; a hermetically bonding seal sealing the distance between the glass panes; an internal volume defined by the glass panes and closed by the hermetically bonding seal, wherein there is a vacuum of absolute pressure of less than 0.1 mbar. The inner pane faces face the internal volume, and the glazing assembly further includes at least one intumescent unit having a layer of intumescent material, an intumescent unit glass pane, and an intumescent unit peripheral spacer. The intumescent unit glass pane and the intumescent unit peripheral spacer define an intumescent unit volume, and the layer of intumescent material and the intumescent unit peripheral spacer face one of the outer pane faces of the first or second glass panes.

A glass body according to the present invention includes a first glass plate including a first surface and a second surface, and a first film region including a first Low-E film that is formed on at least a portion of at least one of the first surface and the second surface of the first glass plate, and the first film region has radio wave transmittance.

An object of the present disclosure is to provide a method for manufacturing a multi-layer stack with excellent mechanical strength and thermal insulation properties. A multi-layer stack includes a glass panel unit, an intermediate film, and a transparent plate attached via the intermediate film to the glass panel unit. The glass panel unit includes a first glass panel, a second glass panel, and an evacuated space interposed between the first glass panel and the second glass panel. The method includes assembling the glass panel unit and the transparent plate together via the intermediate film inside an evacuated chamber.

A light transmitting panel assembly includes a first panel, a second panel, a frame, a gap between the first panel and the second panel, and a first active component located between the first panel and the second panel.

A light transmitting panel assembly includes a first panel, a second panel, a frame, a gap between the first panel and the second panel, and a first active component located between the first panel and the second panel.

A glass frit according to this application may include a composition of P.sub.2O.sub.5, V.sub.2O.sub.5, TeO.sub.2, CuO, ZnO, and BaO configured to replace a conventional lead glass composition and enable a low temperature calcination. A coefficient of thermal expansion (CTE) of the glass frit may be matched with that of a glass substrate. The composition may not include an inorganic filler or at least reduce a content of an inorganic filler to reduce or prevent separation and breakage and to improve durability. The glass frit may be used as a paste for a vacuum glass assembly.

A vacuum insulating glazing unit comprising a planar area, first and second glass panes, k discrete spacers distributed over the planar area and positioned between the first and second glass panes, wherein k∈ and k>8, and a peripheral bonding seal hermetically sealing the distance between the first and second glass panes defining an internal volume under vacuum, enclosed between the first and second glass panes and bounded by an inner perimeter of the peripheral bonding seal defining the planar area. The inner perimeter has a substantially rectangular geometry with a length, L, a width, W, with L≥W. The discrete spacers are arranged according to the stress field lines of the combination of atmospheric pressure stresses, σp, applied by the atmospheric pressure on the surface of the vacuum insulating glazing, and of thermal stresses, σt, resulting from a temperature difference between exterior and interior environments.