Patent attributes
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, Δt [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, ΔTv [%], 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 ΔTv≥2.2Δt.
