According to one embodiment, a varnish for a photo alignment film includes an imidization promotor and a first polyamic acid-based compound in an organic solvent. The first polyamic acid-based compound is a polyamic acid or a polyamic acid ester. The imidization promotor has skeleton containing no primary amino group and no secondary amino group. The first polyamic acid-based compound has terminal skeletons containing no primary amino group.
根据一个实施方案,用于光配准膜的清漆包括
亚胺化
促进剂和有机溶剂中的第一种聚胺基酸基化合物。第一种聚酰胺基化合物是聚酰胺酸或聚酰胺酸酯。
亚胺化
促进剂的骨架不含伯
氨基和仲
氨基。第一种聚酰胺基化合物具有不含伯
氨基的末端骨架。