Organic electro luminescent device and method of manufacturing organic electro luminescent device

A method of manufacturing an organic EL device provided at least with a light emitting layer between a first electrode and a second electrode disposed above a base member, comprising:

• forming a bank for partitioning the light emitting layer;
• forming a hole injection layer on the first electrode;
• forming a buffer layer above the hole injection layer, the buffer layer being formed by using a plasma polymerization method, the buffer layer entirely covering the bank to suppress the degradation of the light emitting layer;
• forming the light emitting layer above the buffer layer by an inkjet method;
• and
• forming the second electrode covering the buffer layer and the light emitting layer.