Patent ID: 7210836

Claim:
A display system comprising: a light guiding plate having opposed light input ends and a light emitting face transverse to the light input ends; respective light sources respectively disposed at said opposed light input ends of said light guiding plate; a double-sided prism sheet that is disposed on a light emitting face side of said light guiding plate, and that has on a first surface, facing said light guiding plate, a triangular prism bank including a plurality of contiguous triangular prisms having respective vertices facing said light guiding plate and extending in a direction parallel to the light input ends of said light guiding plate, and, on a second surface, opposite the first surface, a cylindrical lens bank including a plurality of contiguous cylindrical lenses having respective focal points and extending in a direction parallel to said triangular prism bank, wherein corresponding pairs of focal points of said cylindrical lenses and vertices of said triangular prisms coincide; a transmissive display panel disposed on a second side of said double-sided prism sheet; and a synchronization driving section causing said transmissive display panel to display two different images in synchronization with operation of said respective light sources, wherein light from operation of said respective light sources is respectively emitted from said transmissive display panel along respective divergent first and second directions, respectively.