The present invention aims to provide an interlayer film for a laminated glass that can, even when having a thickness at the thickest portion of 850 μm or more, exhibit sufficient deaeration properties in production of a laminated glass to provide a laminated glass with high transparency, and a laminated glass produced using the interlayer film for a laminated glass. Provided is an interlayer film for a laminated glass having a large number of recesses on at least one surface, the interlayer film for a laminated glass having a thickness T (μm) measured in conformity with JIS K-6732 (1996) and a maximum height roughness Ry (μm) measured in conformity with JIS B-0601 (1994) at a thickest portion, the thickness T and the maximum height roughness Ry satisfying the following expressions (1) and (1′):
Ry≥0.020×T+16.6  (1),
T≥850  (1′).

There is provided an interlayer film for laminated glass capable of being enhanced in handling properties at the time of preparing laminated glass. The interlayer film for laminated glass according to the present invention has one end and the other end being at the opposite side of the one end, the thickness of the other end is larger than the thickness of the one end, and the glossiness on the surface of a maximum thickness part is 3% or more.

The present invention aims to provide an interlayer film for a colored laminated glass which exhibits a visible light transmittance Tv of 5% or lower, small variation in visible light transmittance and an excellent appearance when incorporated in a laminated glass together with two clear glass plates in conformity with JIS R3202 (1996), and a colored laminated glass produced using the interlayer film for a colored laminated glass. Provided is an interlayer film for a colored laminated glass exhibiting a visible light transmittance Tv of 5% or lower when incorporated in a laminated glass together with two clear glass plates in conformity with JIS R3202 (1996), the interlayer film for a colored laminated glass including a laminate of at least two layers including a first resin layer containing a thermoplastic resin and a colorant and a second resin layer containing a thermoplastic resin and no colorant, the first resin layer satisfying a ratio of a difference Δt.sub.1 in thickness between the maximum value t.sub.1max and the minimum value t.sub.1min to an average thickness (Δt.sub.1/average thickness of first resin layer) of 0.30 or less.

Embossed polymer sheets and interlayers having at least one tapered zone are provided. The roughness of the embossed portion of the sheets and interlayers may be substantially uniform. Methods and systems for producing such interlayers are also described herein and may utilize at least one pair of rollers oriented substantially parallel to one another. When used in multiple layer panels, such as safety glass laminates, the embossed tapered interlayers described herein exhibit excellent optical performance, as indicated by the low haze and high clarity of the resulting panels.

Provided is laminated glass capable of preventing occurrence of discoloration in the interlayer film in an end part of laminated glass, and keeping the appearance of laminated glass excellent. Laminated glass according to the present invention is laminate glass including a first lamination glass member, a second lamination glass member, and an interlayer film containing a thermoplastic resin, in which no discoloration occurs in the interlayer film irradiated with light in an end part of the laminated glass after a light irradiation test: “the laminated glass is irradiated with xenon light at a black panel temperature of 83° C., a temperature inside the vessel of 50° C. and a humidity of 50% RH for 2000 hours”, or discoloration occurs within a length of 1 mm or less inwardly from an end part of the interlayer film irradiated with light in the end part of the laminated glass after the light irradiation test.

A laminated vehicle glazing includes an AMOLED screen between the internal faces of the glazings and which is located in a visual comfort zone, and is alone or adjacent with another or several other flexible AMOLED screens also clustered in the visual comfort zone.

A colored thermoplastic intermediate layer with a width, a height, and a wedge-shaped cross-section with a thicker first end and a thinner second end, at least comprising a first colored thermoplastic layer with a width, a height, and a wedge-shaped cross-section with a thicker first end and a thinner second end, wherein the width and the height of the colored thermoplastic intermediate layer equal the width and the height of the first colored thermoplastic layer, the first colored thermoplastic layer has a dye, the dye concentration in the first colored thermoplastic layer increases from its thicker first end to its thinner second end, the light transmittance through the first colored thermoplastic layer is constant over its entire width and its entire height, and the light transmittance through the colored thermoplastic intermediate layer is constant over its entire width and its entire height.

Provided is an interlayer film for laminated glass with which double images in laminated glass can be significantly suppressed. The interlayer film for laminated glass according to the present invention is an interlayer film for use in a laminated glass that is a head-up display, the interlayer film has one end, and the other end being at the opposite side of the one end, the other end has a thickness larger than a thickness of the one end, the interlayer film has a region for display corresponding to a display region of the head-up display, and when three regions obtained by equally dividing the region for display into three in a direction connecting the one end and the other end are named a first partial region for display, a second partial region for display, and a third partial region for display in sequence from the one end side, as to partial wedge angle A.sub.x, B.sub.x, and C.sub.x in the first, second, and third partial regions for display, and partial wedge angle φ.sub.x in the region for display satisfy, |A.sub.x−φ.sub.x| is 0.05 mrad or less, |B.sub.x−φ.sub.x| is 0.05 mrad or less, and |C.sub.x−φ.sub.x| is 0.05 mrad or less.

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.

A wedge-shaped interlayer having reduced dynamic ghosting and reduced dynamic transmitted imagery variations is provided, wherein the interlayer comprises at least one polymer layer comprising a poly(vinyl acetal) resin and at least one plasticizer, wherein said wedge-shaped interlayer defines a head-up display (HUD) region having a target vertical wedge angle, an actual vertical wedge angle and an absolute wedge angle rate of change, wherein the absolute wedge angle rate of change is less than 3.0 prad/mm throughout the entire HUD region, and less than 3.0 prad/mm outside the HUD region.