| 摘要 |
Provided is a liquid crystal display device including: a pair of substrates, at least one of which is transparent; a liquid crystal layer arranged between the pair of substrates; an electrode group formed on at least one of the pair of substrates, for applying an electric field to the liquid crystal layer; and an alignment control film arranged on at least one of the pair of substrates, in which the alignment control film is made of a polyimide and a polyimide precursor, and the polyimide and the polyimide precursor have an aromatic ring and a cross-linking moiety in the main chain in chemical structure, are free from a side chain component having 2 or more carbon atoms in the aromatic ring, contain a cyclobutanetetracarboxylic dianhydride as a raw material, and are irradiated with light that has been substantially linearly polarized to provide an alignment regulating force.
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