Method of manufacture of a passive electro-optic display cell having an helicoidal nematic liquid crystal and passive electro-optic display cell obtained by carrying out this method

摘要

A liquid crystal alignment film is deposited on the inner surfaces of two plates of an electro-optic passive display cell. The film is vacuum evaporated on the plates at an incidence of 5 DEG and at least one plate is rubbed in only the direction of deposition. A helicoidal nematic liquid crystal is disposed between the two plates of the cell, and is aligned by the film.