INK COMPOSITION FOR INK JET

摘要

PROBLEM TO BE SOLVED: To solve defect which is liable to cause clogging of a nozzle and defect in which a wetting property of coating solution are insufficient in a conventional ink jet method when forming a hole injection layer and an emitting layer of an organic EL element.

SOLUTION: In the ink composition for ink jet, a mixture obtained by formulating (A) 10-100 pts. wt. alcohols having 15 mN/m to 40 mN/m surface tension with (B) 10-100 pts. wt. alcohols having 150-300°C boiling point and (C) 100 pts. wt. water is used as a solvent or a dispersion medium of ink for ink jet.

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