Patent ID: 8192066

Claim:
A tiled lighting device, comprising: a tiled light guide comprising a central tile and at least one end tile, the at least one end tile being arranged at an edge of the light guide; at least one solid state light source arranged for coupling light into the light guide in a general direction towards or away from the at least one end tile; and a plurality of out-coupling structures arranged for coupling light out of the light guide; wherein the at least one end tile has inherent in-coupling and/or inherent out-coupling of light different from the central tile, wherein said at least one end tile comprises a first end tile arranged at a first edge of the light guide; the at least one solid state light source is arranged for coupling light into the light guide in a general direction towards the first end tile; and the first end tile has lower inherent in-coupling and/or higher inherent out-coupling of light than the central tile.