Conversion element and a radiation-emitting semiconductor device with such a conversion element

Disclosed is a conversion element (1), with - (131) and quantum wells (132) includes an active region (13) which is formed with a semiconductor material and a plurality of barriers, - a plurality of first structural elements (14) on an upper side (1a) of the conversion element (1) are arranged, and - a plurality of second structural elements (15) and / or third structural elements (16) attached to one of the plurality of first structural elements (14) side facing away from the active region (13) are arranged. Further, a method is provided for producing such a conversion element.