| 摘要 |
To provide a method to manufacture an organic EL device, in which cathodes are formed by a liquid phase process, the properties of an organic EL element can be enhanced to the level of practical use and a superior effect of significantly decreasing the manufacturing cost can be realized by depositing a dispersion liquid containing ultra-fine ytterbium (Yb) particles using an inkjet method, followed by drying, first cathodes 8 made of ytterbium are formed on light emitting layers 7R, 7G, and 7B. A second cathode 9 made of gold or the like is formed on the first cathodes 8.
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