Method for manufacturing film, method for manufacturing organic EL element, and ink composition set for manufacturing film

Provided is a method for manufacturing film, which comprises: an ink preparation step of preparing a first ink composition and a second ink composition, each containing different types of solid contents and enabling a flatness R of a test film of 60% or more; a first coating step of coating the firs...

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Hauptverfasser: YAMASHITA, KAZUKI, KURATA, TOMOKI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:Provided is a method for manufacturing film, which comprises: an ink preparation step of preparing a first ink composition and a second ink composition, each containing different types of solid contents and enabling a flatness R of a test film of 60% or more; a first coating step of coating the first ink composition to a first region of a substrate to form a first coating layer; a second coating step of coating the second ink composition to a second region different from the first region of the substrate to form a second coating layer; a drying step of placing the substrate in a drying furnace after the first coating step and the second coating step to dry the first coating layer and the second coating layer thereby forming a first film and a second film; wherein in the ink preparation step, the first ink composition and the second ink composition are prepared such that a first main solvent and a second main solvent are the same in type.