| abstract |
A liquid crystal composition comprising any one or two or more compounds out of the compounds represented by the following general formula (i) and containing any one or two or more kinds of compounds represented by the following general formula (ii) In the formula, R 11a and R 21a independently represent an alkyl group having 1 to 8 carbon atoms, and one or more non-adjacent two or more -CH 2 - groups in the alkyl group are independently -CH = CH-, -C≡C-, -O-, -CO-, -COO- or -OCO-, and one or two or more hydrogen atoms of the alkyl group may be substituted by a fluorine atom or a chlorine atom and, X 11a, X 12a, X 13a, X 14a and X 21a are each independently a hydrogen atom or a fluorine atom, a 21a, 23a a 22a and a are each independently trans-1,4-cyclohexylene group Or a 1,4-phenylene group in which a hydrogen atom may be substituted by a fluorine atom or a chlorine atom. |