Patent ID: 8988336
Filing Date: 2015-03-24
Classification: G02B,G02F,G09G,H04N

Abstract:
1. A backlight suitable for use in an autostereoscopic display, the backlight comprising: a light guide having first and second side surfaces adapted to receive light from respective first and second light sources, the first and second side surfaces being disposed on opposite ends of a first in-plane axis of the light guide, the light guide also having opposed first and second structured surfaces, the first structured surface comprising lenticular features that each extend parallel to an in-plane lenticular axis, and the second structured surface comprising prismatic features that each extend parallel to an in-plane prismatic axis; and a light redirecting film disposed to receive light from the light guide; wherein the in-plane lenticular axis is not parallel to the first in-plane axis, or the in-plane prismatic axis is not perpendicular to the first in-plane axis, or both.