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    • 7. 发明申请
    • Solvent mixtures for an organic electronic device
    • 有机电子设备的溶剂混合物
    • US20050067949A1
    • 2005-03-31
    • US10676434
    • 2003-09-30
    • Sriram NatarajanAndrew IngleRahul Gupta
    • Sriram NatarajanAndrew IngleRahul Gupta
    • H01L51/40H05B33/14H05B33/10
    • H01L51/0004H01L51/0007
    • An organic polymer solution is made of at least one organic polymer, a first solvent, and a second solvent. The first solvent has a high solubility (e.g., the first solvent dissolves at least about one weight percent of the organic polymers) and has a faster evaporation rate than the second solvent, and the second solvent has a very low solubility (e.g., the second solvent dissolves less than about one-fourth weight percent of the organic polymers). After the solution is deposited on an object, the solution is allowed to dry. As the solution dries, the first solvent due to its faster evaporation rate than the second solvent starts to evaporate from the solution, and soon after the first solvent starts to evaporate, the one or more organic polymers, due to its lower solubility in the second solvent, rapidly gels resulting in a substantially uniform organic polymer layer.
    • 有机聚合物溶液由至少一种有机聚合物,第一溶剂和第二溶剂制成。 第一溶剂具有高溶解度(例如,第一溶剂溶解至少约1重量%的有机聚合物)并且具有比第二溶剂更快的蒸发速率,并且第二溶剂具有非常低的溶解度(例如,第二溶剂 溶剂溶解少于约四分之一重量百分比的有机聚合物)。 将溶液沉积在物体上后,使溶液干燥。 当溶液干燥时,由于其比第二溶剂更快的蒸发速率,第一溶剂开始从溶液中蒸发,并且在第一溶剂开始蒸发之后不久,一种或多种有机聚合物由于其在第二溶剂中的溶解度较低 溶剂,快速凝胶,产生基本均匀的有机聚合物层。