According to an aspect of the present invention, an organic electro-luminescence display panel is provided, which includes: an insulating substrate; a polysilicon layer formed on the substrate; a first insulating layer formed on the polysilicon layer; a gate wire formed on the first insulating layer; a second insulating layer formed on the gate wire; a data wire formed on the second insulating layer and including first and second portions; a pixel electrode connected to the first portion of the data wire; a partition defining an area on the pixel electrode; an organic light emitting member formed in the area on the pixel electrode; a common electrode formed on the light emitting member; and a planar supply voltage electrode disposed between the pixel electrode and the substrate and connected to the second portion of the data wire.