Patent ID: 9448459
Filing Date: 2016-09-20
CPC Classification: F21V,G02B,G02F,H04N

Claim Text:
1. A multi-view display device comprising: a display panel arranged for generating light beams, the display panel having pixels; and an adjuster arranged for adjusting a direction of the light beams, the adjuster comprising a stack of layers, wherein the adjuster has an off-state and an on-state and comprises a stack of layers comprising: wherein the first interface and the second interface each define an array of lenticular lenses for adjusting the direction of the light beams, wherein in the off-state, the switchable birefringent material at the first interface is configured to have an optic axis parallel to the first optic axis and the switchable birefringent material at the second interface is configured to have an optic axis parallel to the second optic axis; wherein in the on-state, the switchable 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, wherein in the on-state the multi-view display device has a multi-view mode and in the off-state the multi-view display device has a single view mode, and wherein a minimum spacing between the first and second solid material layers is less than a depth of a lenticular lens of the array of lenticular lenses.