A coated glass pane comprising at least the following layers in sequence: a glass substrate; a lower anti-reflection layer, comprising in sequence from the glass substrate; a layer based on an oxide of Zn and Sn and/or an oxide of Sn, a separation layer based on a metal oxide and/or an (oxi)nitride of silicon and/or an (oxi)nitride of aluminum, and a top layer based on an oxide of Zn; and a silver-based functional layer.