| 摘要 |
PURPOSE: Solvent or a solvent composition is provided to have excellent solubility and low moisture-absorbing ability, thereby preventing deterioration of organic EL devices due to moisture. CONSTITUTION: Solvent or a solvent composition for printing patterns of organic EL devices comprises a compound of which one end is methyl group, and the other end is a C4 or C5 linear or branched alkyl group of two terminated alkyl groups of propylene glycol dialkyl ether. A paste composition for forming pattern of organic EL devices comprises the solvent or the solvent composition and a binder resin. |
