| 摘要 |
<p>The present invention, which enables to align a liquid crystal molecule, when no voltage is applied thereto, and also to control pretilt angle of the liquid crystal molecule, relates to a composition for a liquid crystal alignment film comprising components represented by the following (A) to (D):
(A) a meta-phenylene diamine derivative represented by the general formula [1];
(B) a meta-phenylene diamine derivative represented by the general formula [2];
(C) a para-arylene diamine represented by the general formula [3];
(D) a tetracarboxylic acid represented by the general formula [4] or a tetracarboxylic acid anhydride represented by the general formula [4'];
(wherein R 1 represents an alkyl group having 1 to 6 carbon atoms or the like, R 2 represents an alkyl group having 8 to 20 carbon atoms or the like, t moieties of R a represent an alkyl group having 1 to 3 carbon atoms or the like, n represents an integer of 1 to 3, t represents an integer of 0 to 4, T represents an oxygen atom or the like, Y represents an amino group, and Z represents a tetravalent hydrocarbon group.).</p> |
