Abstract: A full-color organic electroluminescence display has pixel units. Each pixel unit has a first electrode disposed on a transparent substrate. A first sub-pixel region, a second sub-pixel region, and a third sub-pixel region are defined on the first electrode. A first organic light-emitting layer is disposed over the first sub-pixel region; a second organic light-emitting layer is disposed on the second sub-pixel region; a third organic light-emitting layer is disposed on the third sub-pixel region and overlaying the first and second organic light-emitting layers. Each of the organic light-emitting layers emits light with a specific wavelength. A second electrode is disposed over the third organic light-emitting layer. A method for manufacturing the full-color organic electroluminescence display provides two mask procedures to form two OLELs on the first and the second sub-pixel regions respectively. A wide open mask alignment procedure is introduced to form the third OLEL on all sub-pixel regions.