The present invention relates to an active-matrix OLED display, comprising a plurality of OLED pixels, wherein each pixel itself comprises a stack of organic layers and each layer of the stack of organic layers can form a common semiconductor layer, wherein—at least a first OLED pixel and a second OLED pixel comprising—an anode layer, —a common cathode layer, —at least one emission layer, which is optional a common emission layer, —at least a stack of organic layers.