| 摘要 |
Openings each having various opening area are formed in a photosensitive organic film by one-time exposure. A polyvinyl alcohol (PVA) film for increasing the thermal fluidity of the photosensitive organic film is coated on the photosensitive organic film, followed by a heat treatment to flow the polyvinyl alcohol film and the photosensitive organic film. After the heat treatment, the openings each having a small area are closed and smooth ruggedness of a surface of the photosensitive organic film results, and further the polyvinyl alcohol film is removed. Accordingly, a reflective electrode formed on the photosensitive organic film has ruggedness having a small average angle of inclination in its surface layer, and becomes thereby an ideal reflective electrode.
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