Patent ID: 8564737
Filing Date: 2013-10-22
Classification: G02B,G02F

Abstract:
1. A waveguide system comprising: a) a first waveguide element comprising a first body structure, a first substantially flat light-transmissive surface arranged to illuminate at least a portion of a LCD panel, and at least one first light entry region; b) at least one first light-emitting source positioned to emit light into the first waveguide element at the at least one first light entry region; c) a second waveguide element comprising a second body structure, a second substantially flat light-transmissive surface arranged to illuminate at least a portion of said LCD panel, and at least one second light entry region, wherein the second body structure is distinct from the first body structure, and the second light-transmissive surface is distinct from the first light-transmissive surface; and d) at least a second light-emitting source positioned to emit light into the second waveguide element at the at least one second light entry region;