Patent ID: 8475026
Filing Date: 2013-07-02
Classification: D05C,F21V,G02B

Abstract:
1. A light emitting tufted carpet having a carpet top layer and a carpet bottom layer, the light emitting tufted carpet comprising: a primary backing layer permeable to light substantially over its entire surface, a waveguide-comprising a light out-coupling site integrated within the carpet, and wherein the primary backing layer has a primary backing layer carpet face being the carpet top layer and a primary backing layer bottom face, wherein the wavequide has substantially the same area as the primary backing layer, wherein the primary backing layer is provided with tufts at the primary backing carpet face substantially over its entire surface; wherein the light out-coupling site is arranged between the primary backing layer bottom face and the carpet bottom layer, and wherein the waveguide is arranged to couple light source light of a light source in as waveguide light, and wherein the waveguide is arranged to couple waveguide light out at the waveguide light out-coupling site to provide carpet light.