An organic light-emitting display, OLED, panel, comprising a light-emitting substrate and a color filter substrate disposed in parallel to the light-emitting substrate; wherein the light-emitting substrate comprises: a first substrate, a first electrode layer includes a plurality of first electrodes and is disposed on the first substrate, a pixel definition layer disposed on the first electrodes and includes a plurality of first opening structures defining sub-pixels and exposing part of the first electrodes, a light-emitting layer including a hole injection layer and a second electrode layer disposed on the first electrodes and the pixel definition layer and integrally formed between adjacent the first opening structures; the color filter substrate comprises: a second substrate, a color filter layer formed by a plurality of sub-pixel color filters, a conductive layer that is electrically connected to a wall-shaped elastic conductor wearing a metal cap; in a cross-sectional view, a vertical projection of the wall-shaped elastic conductor on the first substrate is overlapped with the vertical projection of the pixel definition layer on the first substrate; and the light-emitting substrate and the color filter substrate are laminated in a manner that the second electrode layer on the light-emitting substrate is electrically connected to the conductive layer on the color filter substrate via the metal cap and the wall-shaped elastic conductor; wherein a groove structure is provided on the pixel definition layer between two adjacent sub-pixels to increase a transmission path of leakage current in the two adjacent sub-pixel regions for reducing lateral leakage current; in a cross-sectional view, a vertical projection of the wall-shaped elastic conductor on the light-emitting substrate completely covers a vertical projection of the groove structure on the light-emitting substate, and the second electrode layer on the light-emitting substrate above the groove structure and on both sides of the groove structure is reconnected to the conductive layer via the metal cap and the wall-shaped elastic conductor. the light-emitting substrate comprises: a first substrate, a first electrode layer includes a plurality of first electrodes and is disposed on the first substrate, a pixel definition layer disposed on the first electrodes and includes a plurality of first opening structures defining sub-pixels and exposing part of the first electrodes, a light-emitting layer including a hole injection layer and a second electrode layer disposed on the first electrodes and the pixel definition layer and integrally formed between adjacent the first opening structures; the color filter substrate comprises: a second substrate, a color filter layer formed by a plurality of sub-pixel color filters, a conductive layer that is electrically connected to a wall-shaped elastic conductor wearing a metal cap; in a cross-sectional view, a vertical projection of the wall-shaped elastic conductor on the first substrate is overlapped with the vertical projection of the pixel definition layer on the first substrate; and the light-emitting substrate and the color filter substrate are laminated in a manner that the second electrode layer on the light-emitting substrate is electrically connected to the conductive layer on the color filter substrate via the metal cap and the wall-shaped elastic conductor; wherein a groove structure is provided on the pixel definition layer between two adjacent sub-pixels to increase a transmission path of leakage current in the two adjacent sub-pixel regions for reducing lateral leakage current; in a cross-sectional view, a vertical projection of the wall-shaped elastic conductor on the light-emitting substrate completely covers a vertical projection of the groove structure on the light-emitting substate, and the second electrode layer on the light-emitting substrate above the groove structure and on both sides of the groove structure is reconnected to the conductive layer via the metal cap and the wall-shaped elastic conductor.