COMPOSITION OF PREPARING POLYIMIDE, POLYIMIDE, ARTICLE INCLUDONG SAME, AND DISPLAY DEVICE

摘要

Provided are a composition for preparing polyimide, which comprises: tetracarboxylic acid dianhydride including tetracarboxylic acid dianhydride represented by chemical formula 1A, tetracarboxylic acid dianhydride represented by chemical formula 1B, or the combination thereof, and tetracarboxylic acid dianhydride represented by chemical formula 2; and diamine represented by chemical formula 3, polyimide manufactured from the composition, a molded article, and a display device. The chemical formula 3 is NH_2-R^1-NH_2.