A laminated glazing for a head-up display at least comprising: - an outer pane and an inner pane, which are bonded to one another via a thermoplastic intermediate layer, - the glazing having an upper edge and a lower edge, - a HUD region wherein a virtual image is generated by an HUD-projector, - wherein the windshield is provided along its edges with a band of enamel, with bands of enamel (M1, M2) respectively in the lower edge and the upper edge of the windshield, the enamel band (M1, M2) has each an inner edge (N1,N2) being in contact with a zone free of enamel, - a virtual horizontal line(Z1,Z2)respectively parallel to the lower and upper band of enamel (M1, M2) being distant from the inner edges (N1, N2)of the enamel (M1, M2) by a distant Y equal to 50mm, - vertical course from the upper edge and the lower edge and passing through the HUD region, - a virtual point P1 taken at the intersection between the horizontal virtual line and the vertical course - a virtual point P2 taken at the intersection between the horizontal virtual line and the vertical course, - the virtual points P1 and P2 being separated by a virtual vertical line d along the vertical course (c) in the zone free of enamel along the vertical course, - the thickness of the interlayer has a wedge angle (α) increasing monotonically in the vertical course (c) between the virtual points P1 and P2, providing a concave shape with thickness at P2 point higher than the thickness at P1 point, wherein the intermediate layer along the windshield has a minimum thickness of 900μm between P1 and P2 in the zone free of enamel area along the vertical course (c), - the thickness profile of the intermediate interlayer in the vertical course is defined by a series of n values defined by a position(d(n))and a thickness (Tk(n)) measured from the virtual points P1 to P2 along the virtual line d separating the points P1 and P2, to compute the surface area and wherein - the calculated surface area is surrounded by a straight line connecting the first value V1 defined by a position(d)and a thickness (Tk)of the virtual point P1 and the last value V2 defined by a position(d)and a thickness (Tk)of the virtual point P2 and the thickness profile defined by a series of n values mentioned previously, and is above 10.000mm×μm. - an outer pane and an inner pane, which are bonded to one another via a thermoplastic intermediate layer, - the glazing having an upper edge and a lower edge, - a HUD region wherein a virtual image is generated by an HUD-projector, - wherein the windshield is provided along its edges with a band of enamel, with bands of enamel (M1, M2) respectively in the lower edge and the upper edge of the windshield, the enamel band (M1, M2) has each an inner edge (N1,N2) being in contact with a zone free of enamel, - a virtual horizontal line(Z1,Z2)respectively parallel to the lower and upper band of enamel (M1, M2) being distant from the inner edges (N1, N2)of the enamel (M1, M2) by a distant Y equal to 50mm, - vertical course from the upper edge and the lower edge and passing through the HUD region, - a virtual point P1 taken at the intersection between the horizontal virtual line and the vertical course - a virtual point P2 taken at the intersection between the horizontal virtual line and the vertical course, - the virtual points P1 and P2 being separated by a virtual vertical line d along the vertical course (c) in the zone free of enamel along the vertical course, - the thickness of the interlayer has a wedge angle (α) increasing monotonically in the vertical course (c) between the virtual points P1 and P2, providing a concave shape with thickness at P2 point higher than the thickness at P1 point, wherein the intermediate layer along the windshield has a minimum thickness of 900μm between P1 and P2 in the zone free of enamel area along the vertical course (c), - the thickness profile of the intermediate interlayer in the vertical course is defined by a series of n values defined by a position(d(n))and a thickness (Tk(n)) measured from the virtual points P1 to P2 along the virtual line d separating the points P1 and P2, to compute the surface area and wherein - the calculated surface area is surrounded by a straight line connecting the first value V1 defined by a position(d)and a thickness (Tk)of the virtual point P1 and the last value V2 defined by a position(d)and a thickness (Tk)of the virtual point P2 and the thickness profile defined by a series of n values mentioned previously, and is above 10.000mm×μm.