Method of manufacturing organic thin-film EL device
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United States of America Patent
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Sep 25, 2001
Grant Date -
N/A
app pub date -
Dec 22, 1999
filing date -
Dec 22, 1998
priority date (Note) -
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Abstract
In a method of manufacturing an organic thin-film electroluminescent device, a plurality of thin-film luminescent portions are arranged with fine pitches on a substrate. Each of the luminescent portions is formed by organic electroluminescent material or electrode material. A mask pattern is arranged on a pattern mask moving stage which finely moves in a predetermined direction. The substrate is arranged on a substrate moving stage. The substrate is opposed against the pattern mask with a predetermined pitch. An initial positioning alignment between the substrate and the pattern mask is performed by adjusting the substrate moving stage. The luminescent material is vaporized onto a surface of the substrate through the pattern mask. The luminescent material is vaporized on the surface of the substrate after moving the pattern mask onto a non-vaporizing portion of the surface of the substrate.
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