The present invention provides a spontaneous orientation aid for a liquid crystal composition, containing one kind or two or more kinds of a compound having a partial structure represented by the general formula (i), wherein Zi1 represents a single bond, etc.; Ai1 represents a divalent 6-membered aromatic group, etc.; mi1 represents an integer of 1 to 5; and Ki1 represents a structure represented by any of the following formulae (K-1) to (K-8), wherein WK1 represents a methine group, etc.; XK1 and YK1 each represent -CH2-, etc.; ZK1 represents an oxygen atom, etc.; and UK1, VK1, and SK1 each represent a methine group, etc.:
本发明提供了一种液晶组合物的自发定向助剂,该液晶组合物含有一种或两种或多种具有通式(i)所代表的部分结构的化合物,其中Zi1代表单键等;Ai1代表二价6元芳香基团等;mi1代表1至5的整数;Ki1代表下式(K-1至(K-8)中的任一式所代表的结构,其中WK1代表甲基等。mi1 代表 1 至 5 的整数;以及 Ki1 代表下式(K-1)至(K-8)中任一式所代表的结构,其中 WK1 代表甲基等;XK1 和 YK1 各自代表-
CH2-等;ZK1 代表氧原子等;以及 UK1、VK1 和 SK1 各自代表甲基等: