Patent ID: 9195095
Filing Date: 2015-11-24
Classification: G02B,G02F

Abstract:
1. A LED lighting device comprising: at least one waveguide element comprising a plurality of light entry regions; a first light-emitting source comprising at least one first LED positioned to emit light into the at least one waveguide element at a first light entry region of the plurality of light entry regions; and a second light-emitting source comprising at least one second LED positioned to emit light into the at least one waveguide element at a second light entry region of the plurality of light entry regions; wherein the first light-emitting source and the second light-emitting source are arranged to illuminate different regions of a target surface; and wherein the at least one waveguide element comprises a generally planar body structure portion including a major light emitting surface and including at least one waveguide extension joined to the body structure portion and that is non-coplanar with the body structure portion, and wherein any of the first light-emitting source and the second light-emitting source is coupled to the at least one waveguide extension.