Patent ID: 8035771

Claim:
A stereoscopic 3D liquid crystal display apparatus, comprising: a liquid crystal display panel; a backlight positioned to provide light to the liquid crystal display panel, the backlight comprising: a light guide having a first side and a second side opposite the first side, and having a first surface extending between the first and second sides and a second surface opposite the first surface, wherein the first surface substantially re-directs light and includes a regular array of linear prism or lenticular features and the second surface substantially transmits light and includes a regular array of lenticular features, each lenticular feature having a radius of curvature along an entire width of the lenticular feature; a plurality of first light sources arranged along the first side of the light guide for transmitting light into the light guide from the first side; and a plurality of second light sources arranged along the second side of the light guide for transmitting light into the light guide from the second side, and a double sided prism film disposed between the liquid crystal display panel and the second surface.