To provide an electrode patterning layer to be used for forming an electrode pattern of any optional shape depending on the difference in wettability with an electrode-forming solution, the electrode patterning layer employing a polyimide type resin which is highly reliable as an electronic material.
An electrode patterning layer to be used for forming an electrode pattern of any desired shape depending on the difference in wettability with an electrode-forming solution, said electrode patterning layer being prepared by irradiating a layer comprising a polyamic acid having repeating units represented by the following formula (1) or a polyimide obtainable by cyclodehydration of such a polyamic acid, with ultraviolet ray in a pattern shape:
wherein A is a tetravalent organic group, B is a bivalent organic group, each of A and B may be of a single type or plural types, and n is a positive integer, provided that at least one type of A is a tetravalent organic group having an alicyclic structure.
提供一种电极图案层,用于根据与电极形成溶液的润湿性差异形成任意形状的电极图案,该电极图案层采用聚
酰亚胺型
树脂,作为电子材料具有很高的可靠性。
一种电极图案层,用于根据与电极形成溶液的润湿性差异形成任意所需形 状的电极图案,所述电极图案层的制备方法是用紫外线照射由具有下式 (1) 所示重复单元的聚
氨基甲酸酯或由这种聚
氨基甲酸酯环脱
水得到的聚
酰亚胺组成的图案层:
其中,A 是四价有机基团,B 是二价有机基团,A 和 B 可以是单一类型,也可以是多个类型,n 是正整数,条件是至少一种类型的 A 是具有脂环结构的四价有机基团。