A multi-view autostereoscopic display device comprising a display panel having pixels for generating light beams and an adjuster with lenticular lens arrays for adjusting the direction of the light beams, wherein the adjuster has a single view 2D mode in an off-state and a multiview 3D mode in an on-state and comprises a stack of layers, characterized in that: - the stack comprises: a first solid birefringent material layer having a first optic axis, a second birefringent solid material layer having a second optic axis, and a switchable birefringent twisted nematic liquid crystal material or chiral nematic liquid crystal material provided between two electrodes; an alignment layer for orienting the switchable birefringent material parallel to the first optic axis at a first interface between the first solid material layer and the switchable birefringent material in the off-state; and an alignment layer for orienting the switchable birefringent material parallel to the second optic axis at a second interface between the second solid material layer and the switchable birefringent material in the off-state, wherein: the first interface and the second interface each define an array of lenticular lenses or prisms for adjusting the direction of the light beams; in the on-state, the birefringent material at the first interface is configured to have an optic axis perpendicular to the first optic axis and the birefringent material at the second interface is configured to have an optic axis perpendicular to the second optic axis. - the stack comprises: a first solid birefringent material layer having a first optic axis, a second birefringent solid material layer having a second optic axis, and a switchable birefringent twisted nematic liquid crystal material or chiral nematic liquid crystal material provided between two electrodes; an alignment layer for orienting the switchable birefringent material parallel to the first optic axis at a first interface between the first solid material layer and the switchable birefringent material in the off-state; and an alignment layer for orienting the switchable birefringent material parallel to the second optic axis at a second interface between the second solid material layer and the switchable birefringent material in the off-state, wherein: the first interface and the second interface each define an array of lenticular lenses or prisms for adjusting the direction of the light beams; in the on-state, the birefringent material at the first interface is configured to have an optic axis perpendicular to the first optic axis and the birefringent material at the second interface is configured to have an optic axis perpendicular to the second optic axis. a first solid birefringent material layer having a first optic axis, a second birefringent solid material layer having a second optic axis, and a switchable birefringent twisted nematic liquid crystal material or chiral nematic liquid crystal material provided between two electrodes; an alignment layer for orienting the switchable birefringent material parallel to the first optic axis at a first interface between the first solid material layer and the switchable birefringent material in the off-state; and an alignment layer for orienting the switchable birefringent material parallel to the second optic axis at a second interface between the second solid material layer and the switchable birefringent material in the off-state, the first interface and the second interface each define an array of lenticular lenses or prisms for adjusting the direction of the light beams; in the on-state, the birefringent material at the first interface is configured to have an optic axis perpendicular to the first optic axis and the birefringent material at the second interface is configured to have an optic axis perpendicular to the second optic axis.