An interlayer film for laminated glass that has a one-layer structure or a two or more layer-structure includes a first layer containing a thermoplastic resin. The first layer may have a glass transition temperature of 10 C. or lower and the inter layer film may have an equivalent stiffness of 2.4 MPa or greater at 25 C.

A laminated glass includes first and second glass plates arranged on vehicle interior and exterior sides, respectively; and an intermediate film located between the glass plates, and configured to be bonded to the glass plates. The laminated glass has a display area used for a head-up display. The display area includes an area having a cross section with a wedge shape. A thickness of an upper edge side portion of the display area is greater than that of a lower edge side. In at least a part of the area having a cross section with a wedge shape, a value of the wedge angle varies depending on a position of measurement in the vertical direction. A viewing angle of the display area is 2 degrees or more. A maximum amount of deviation in measured values of the wedge angles from a linear approximation line is 0.2 mrad or less.

An interlayer film for laminated glass that has a one-layer structure or a two or more layer-structure includes a first layer containing a thermoplastic resin, wherein the first layer has a glass transition temperature of 10 C. or lower, and wherein the interlayer film has an equivalent stiffness of 2.4 MPa or greater at 25 C.

A co-shaped laminate is provided. The laminate includes a first curved glass substrate having a first major surface, a second major surface opposing the first major surface, a first thickness (h.sub.1), and a first viscosity (.sub.1) of 110.sup.11 poises at a first temperature (T1); a second curved glass substrate having a third major surface, a fourth major surface opposing the third major surface, a second thickness (h.sub.2), the second thickness being less than the first thickness, and a second viscosity (.sub.2) at the first temperature (T1); and an interlayer disposed between the first curved glass substrate and the second curved glass substrate, wherein the ratio of the first thickness to the second thickness (h.sub.1/h.sub.2) is greater than about 2.1, and wherein the ratio of the second viscosity to the first viscosity (.sub.2/.sub.1) is between about (h.sub.1/h.sub.2).sup.2.55 and about (h.sub.1/h.sub.2).sup.3.45.

A laminated glass includes first and second glass plates to be arranged on the inside and the outside of a vehicle, respectively; an interlayer located between the first and second glass plates and bonded to the first and second glass plates; and a display area used for a head up display, including a region having a wedge shape in a cross section, a thickness at an upper end of the region in a vertical direction being greater than a thickness at a lower end of the region. A difference, t [mm], between a thickness of the laminated glass at a thickest portion in the display area and a thickness at a thinnest portion, and a difference, Tv [%], between a visible light transmittance of the laminated glass at the thickest portion in the display area and a visible light transmittance at the thinnest portion, satisfy a relation of Tv2.2t.

Embodiments of a laminate including a first curved glass substrate comprising a first viscosity (poises) at a temperature of 630 C.; a second curved glass substrate comprising a second viscosity that is greater than the first viscosity at a temperature of 630 C.; and an interlayer disposed between the first curved glass substrate and the second curved glass substrate, are disclosed. In one or more embodiments, the first curved glass substrate exhibits a first sag depth that is within 10% of a second sag depth of the second curved glass substrate. In one or more embodiments, the first glass substrate and the second glass substrate exhibit a shape deviation therebetween of about 5 mm or less as measured by an optical three-dimensional scanner or exhibit minimal optical distortion. Embodiments of vehicles including such laminates and methods for making such laminates are also disclosed.

A laminated member includes a glass member of which a linear transmittance at a wavelength of 850 nm is 80% or more, a bonding layer provided on or above the glass member, the bonding layer being constituted by a resin, and a SiSiC member provided on or above the bonding layer.

Embodiments of a laminate including a first curved glass substrate comprising a first viscosity (poises) at a temperature of 630 C.; a second curved glass substrate comprising a second viscosity that is greater than the first viscosity at a temperature of 630 C.; and an interlayer disposed between the first curved glass substrate and the second curved glass substrate, are disclosed. In one or more embodiments, the first curved glass substrate exhibits a first sag depth that is within 10% of a second sag depth of the second curved glass substrate. In one or more embodiments, the first glass substrate and the second glass substrate exhibit a shape deviation therebetween of about 5 mm or less as measured by an optical three-dimensional scanner or exhibit minimal optical distortion. Embodiments of vehicles including such laminates and methods for making such laminates are also disclosed.

Embodiments of a laminate including a first curved glass substrate comprising a first viscosity (poises) at a temperature of 630? C.; a second curved glass substrate comprising a second viscosity that is greater than the first viscosity at a temperature of 630? C.; and an interlayer disposed between the first curved glass substrate and the second curved glass substrate, are disclosed. In one or more embodiments, the first curved glass substrate exhibits a first sag depth that is within 10% of a second sag depth of the second curved glass substrate. In one or more embodiments, the first glass substrate and the second glass substrate exhibit a shape deviation therebetween of about ?5 mm or less as measured by an optical three-dimensional scanner or exhibit minimal optical distortion. Embodiments of vehicles including such laminates and methods for making such laminates are also disclosed.

A glass sheet composite having two or more glass sheets and a liquid layer between at least a pair of glass sheets out of the glass sheets, wherein a thickness of the liquid layer is 1/10 or less of a total thickness of the pair of glass sheets when a total thickness of the pair of glass sheets is 1 mm or less, and 100 ?m or less when the total thickness of the pair of glass sheets is more than 1 mm.