Patent ID: 8884276

Claim:
An organic EL display panel comprising: a substrate; at least one first electrode on or in the substrate; auxiliary wiring on or in the substrate at a distance from the first electrode; a functional layer, including at least a light-emitting layer, above the first electrode; a hole injection layer for injecting holes to the functional layer, the hole injection layer being between the first electrode and the functional layer; and a second electrode above the functional layer, wherein the hole injection layer and the second electrode are both formed to be continuous above the first electrode and above the auxiliary wiring, the second electrode and the auxiliary wiring are electrically connected by the hole injection layer, the hole injection layer includes a metal oxide film, metal atoms constituting the metal oxide include both metal atoms at a maximum valence thereof and metal atoms at a valence less than the maximum valence, and the metal oxide film includes a crystal of the metal oxide, a particle diameter of the crystal being on an order of nanometers.