Liquid crystal composition and liquid crystal display device
AssigneesChisso Corporation, Chisso Petrochemical Corporation
InventorsTakashi Yoshino, Makoto Hamano, Masayuki Saito
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Abstract
A liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific four-membered ring compound having a large maximum temperature, and the second component is a specific four-membered ring compound having a large dielectric anisotropy and a large optical anisotropy, and a liquid crystal display device containing the composition.
Claims23
A liquid crystal composition having a nematic phase that includes two components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), and the second component is at least one compound selected from the group of compounds represented by formula (2):
- wherein R1 is alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons, alkenyl having 2 to 12 carbons or alkenyl having 2 to 12 carbons in which arbitrary hydrogen is replaced by fluorine;
- Z1 and Z2 are each independently a single bond, ethylene or carbonyloxy;
- X1, X2, X3, X4 and X6 are each independently hydrogen or fluorine;
- X5 is fluorine;
- Y1 is fluorine, chlorine or trifluoromethoxy.
Dependencies are inferred from the claim text.