| 摘要 |
<p>A liquid crystal device is constituted by a pair of substrates and a ferroelectric liquid crystal disposed between the substrates. At least one of the pair of substrates has thereon an alignment film of a polyimide having a recurring unit of the following formula (I): <IMAGE> (I) wherein R1 denotes a tetravalent organic residue; and X1-X8 independently denote an alkyl group having 1-15 carbon atoms, an alkoxy group having 1-15 carbon atoms, CF3 group, halogen or hydrogen atom with the proviso that at least one of X1-X4 is not hydrogen atom and at least one of X5-X8 is not hydrogen atom.</p> |
