Patent ID: 11914144
Assignee: SAINT-GOBAIN GLASS FRANCE
Field: Materials, metallurgy (Chemistry)
Classification: CPC G  B  C  H | IPC B  C  G  H

Claim 0:
1. Projection arrangement for a head-up display (HUD), comprising:
a composite pane, comprising an outer pane and an inner pane, which are connected to one another via a thermoplastic intermediate layer, with an HUD region;
an electrically conductive coating on a surface of the outer pane or of the inner pane facing the intermediate layer or within the intermediate layer; and
a projector that is directed toward the HUD region;
wherein a radiation of the projector is p-polarised,
wherein the composite pane with the electrically conductive coating has reflectance of at least 10% relative to p-polarised radiation in the entire spectral range from 450 nm to 650 nm, and
wherein the electrically conductive coating includes at least four electrically conductive layers, which are each arranged between two dielectric layers or layer sequences,
wherein a sum of the thicknesses of all the at least four electrically conductive layers is at most 30 nm and wherein at least one of the at least four electrically conductive layers has a thickness of at most 5 nm.