Patent ID: 7435999

Claim:
A semiconductor chip for optoelectronics comprising: a thin-film layer, including a zone that emits electromagnetic radiation, said layer having an emission side, a rear side and side faces that connect the rear side to the emission side, and at least one trench formed on the rear side; at least one electrical front side contact structure formed on the emission side, wherein the trench at said rear side defines a plurality of partial regions of the thin-film layer which essentially do not overlap the front side contact structure and with each one of the plurality of partial regions defined by the trench being adjacent to at least one region that overlaps the front side contact structure, said plural partial regions collectively comprise all regions defined by the trench at said rear side which essentially do not overlap the front side contact structure; a carrier for the thin-film layer connected to said rear side; and electrical rear side contacts on the rear side formed only in each of said plural partial regions; wherein the trench has oblique inner walls with respect to a plane of main extent of the thin-film layer for deflecting electromagnetic radiation emitted from said zone.