Patent ID: 8324806

Claim:
An organic EL element, comprising: a substrate; a first electrode having a pixel region, the first electrode formed on the substrate; a multi-step partition wall, which includes a first partition wall formed on the substrate, the first partition wall sectioning the first electrode and having an inverse tapered shape, and a second partition wall formed on the first partition wall, the second partition wall having a bottom part which is narrower than a top part of the first partition wall; a light emitting medium layer, which includes a first light emitting medium layer formed on the pixel region, the first partition wall and the second partition wall, the first light emitting medium layer made of an inorganic material, and an organic light emitting layer on the first light emitting medium layer; and a second electrode formed on the light emitting medium layer; wherein the first light emitting medium layer is formed on the first electrode and the multi-step partition wall.