An organic light emitting display panel is discussed, which includes: a data line and a first scan line disposed to intersect each other; a plurality of sub-pixels; a second scan line; a driving voltage line and a reference voltage line; and a plurality of active layers for the plurality of sub-pixels, wherein at least one active layer of at least one sub-pixel among the plurality of sub-pixels overlaps any one of the data line, the driving voltage line, and the reference voltage line, and also overlaps the first or second scan line.