| abstract |
PROBLEM TO BE SOLVED: To provide an STN-LCD and an AM-LCD having a wide liquid crystal temperature range, a low crystal transition temperature, excellent contrast at a high temperature, and excellent characteristics without crystal precipitation at a low temperature. Provided is a liquid crystal display device. SOLUTION: In a liquid crystal display device having a structure in which a liquid crystal is sandwiched between a pair of substrates and having at least an alignment control layer, a transparent electrode and a polarizing plate, a compound having a 1,4-bicyclooctanediyl group in the liquid crystal Characterized by using a liquid crystal composition containing 5% or more of |