Glazing unit with electrically controllable optical properties having a plurality of independent switching regions (S1, S2, S3, S4), comprising - a laminated glass pane, comprising - an outer pane and an inner pane, which are connected to one another via a thermoplastic intermediate layer, - an electrically controllable functional element which is arranged between the outer pane and the inner pane and has an active layer having electrically controllable optical properties between a first planar electrode and a second planar electrode, - a control unit which is suitable for controlling the optical properties of the functional element, wherein the first planar electrode is subdivided by at least one insulation line into at least two separate electrode segments (8.1, 8.2, 8.3, 8.4), wherein each electrode segment (8.1, 8.2, 8.3, 8.4) of the first planar electrode and the second planar electrode are electrically connected to the control unit, so that an AC voltage can be applied independently between each electrode segment (8.1, 8.2, 8.3, 8.4) of the first planar electrode and the second planar electrode in order to control the optical properties of the section of the active layer located between them, characterized in that the control unit is suitable for applying an AC voltage between at least two electrode segments (8.1, 8.2, 8.3, 8.4) of the first planar electrode, on the one hand, and the second planar electrode, on the other hand, wherein the AC voltages are phase-shifted. - a laminated glass pane, comprising - an outer pane and an inner pane, which are connected to one another via a thermoplastic intermediate layer, - an electrically controllable functional element which is arranged between the outer pane and the inner pane and has an active layer having electrically controllable optical properties between a first planar electrode and a second planar electrode, - a control unit which is suitable for controlling the optical properties of the functional element, wherein the first planar electrode is subdivided by at least one insulation line into at least two separate electrode segments (8.1, 8.2, 8.3, 8.4), wherein each electrode segment (8.1, 8.2, 8.3, 8.4) of the first planar electrode and the second planar electrode are electrically connected to the control unit, so that an AC voltage can be applied independently between each electrode segment (8.1, 8.2, 8.3, 8.4) of the first planar electrode and the second planar electrode in order to control the optical properties of the section of the active layer located between them, characterized in that the control unit is suitable for applying an AC voltage between at least two electrode segments (8.1, 8.2, 8.3, 8.4) of the first planar electrode, on the one hand, and the second planar electrode, on the other hand, wherein the AC voltages are phase-shifted. wherein the first planar electrode is subdivided by at least one insulation line into at least two separate electrode segments (8.1, 8.2, 8.3, 8.4), wherein each electrode segment (8.1, 8.2, 8.3, 8.4) of the first planar electrode and the second planar electrode are electrically connected to the control unit, so that an AC voltage can be applied independently between each electrode segment (8.1, 8.2, 8.3, 8.4) of the first planar electrode and the second planar electrode in order to control the optical properties of the section of the active layer located between them, characterized in that the control unit is suitable for applying an AC voltage between at least two electrode segments (8.1, 8.2, 8.3, 8.4) of the first planar electrode, on the one hand, and the second planar electrode, on the other hand, wherein the AC voltages are phase-shifted.