Arrangement comprising a visible seam and a lighting apparatus, use thereof, and method for producing the arrangement

A portion of a vehicle interior, comprising stitching and a lighting apparatus,

• wherein the stitching comprises an upper thread and a lower thread, wherein the upper thread comprises first thread portions extending along an upper side of a sheet material part and second thread portions, which run through stitch holes through the sheet material part and which are each interlaced with the lower thread at an underside of the sheet material part beneath each stitch hole,
• wherein the lighting apparatus comprises one or more light sources and is adapted to emit light at a plurality of light emission locations beneath the underside of the sheet material part,
• wherein the lighting apparatus is adapted to couple the light emitted at the light emission locations into the second thread portions of the upper thread beneath the stitch holes, which light propagates along the second thread portions of the upper thread and, starting from the second thread portions propagates partially along the adjacent first thread portions of the upper thread and is diffusely emitted in part by the first thread portions, and
• wherein the first thread portions of the upper thread form a first thread layer, and a second thread layer is provided on the first thread layer.