A projection assembly for a head-up display (HUD), includes a windshield including an outer pane and an inner pane that are joined to one another via a thermoplastic intermediate layer, having a HUD region; and a projector that is directed at the HUD region and that emits p-polarized radiation; wherein a reflection coating is arranged on the surface of the outer pane or of the inner pane facing the intermediate layer or within the intermediate layer, which reflection coating is suitable for reflecting p-polarized radiation and which has exactly one electrically conductive layer based on silver; and an emissivity-reducing coating is arranged on the surface of the inner pane facing away from the intermediate layer, which coating has an electrically conductive layer based on a transparent conductive oxide.