Patent ID: 8454403

Claim:
A manufacturing method for an organic electroluminescent device including: an effectively optical area including display pixels for display; and a dummy area outside the effectively optical area not for display, the manufacturing method comprising: coating a first composite material on a first portion in the effectively optical area by inkjet method, the first portion corresponding to one of the display pixels; coating a second composite material on a second portion and a third portion in the dummy area by inkjet method, the second portion being spaced apart from the third portion; and forming a first luminous layer in the first portion by heat treatment of the first composite material, a second luminous layer in the second portion and a third luminous layer in the third portion by heat treatment of the second composite material; forming a first electrode in the first portion and not in the second portion and the third portion, the first electrode being formed of a first material; and forming a second electrode in the first portion, the second portion, and the third portion, the second electrode being formed of a second material, the first material being different from the second material, the first luminous layer, the second luminous layer, and the third luminous layer being covered with the second electrode, and the first luminous layer being formed on the first electrode.