The present disclosure relates to an OLED display panel and an OLED display device in which a GIP driving circuit is arranged in an active area in order to minimize a bezel size and a GIP signal is applied to the GIP driving circuit arranged in the active area using a single-sided COF, and the OLED display panel includes: an active area including data lines, scan lines intersecting the data lines, and sub-pixels arranged at each intersection; stages of a GIP driving circuit distributed and arranged in a plurality of unit pixel regions corresponding to the scan lines in the active area to supply scan pulses to the scan lines; and a non-active area including a pad part, a link part and a LOG part, wherein the pad part includes a gate pad part for supplying various control signals to the stages of the GIP driving circuit, and a data pad part for supplying a data voltage to each data line, and wherein the non-active area includes a plurality of signal lines extended from the gate pad part via the link part to the LOG part in order to supply various control signals to the GIP parts is arranged.