Liquid crystal composition and liquid crystal display device

A liquid crystal composition comprising:

• (a) 15-30% by weight of the total amount of the liquid crystal composition of three or more compounds of general formula I
• in which,
• R1 represents C1-5 alkyl or alkoxy, or C2-5 alkenyl or alkenoxy;
• Y1 and Y2 are same or different, and each independently represents H, F, or methyl or methoxyl which is with or without halogen substituent;
• is selected from a group consisting of
• is selected from a group consisting of
• X1 represents F, Cl, or C1-5 alkyl or alkoxy which is with or without halogen substituent;
• wherein the three or more compounds of general formula I comprise at least two compounds of general formula I-1,
• R1, Y1, Y2 and X1 are as defined in general formula I;
• wherein the total amount of the at least two compounds of general formula I-1 comprise no lower than 10% by weight of the total amount of the liquid crystal composition, and the content of each of the compounds of general formula I-1 is no higher than 8%;
• (b) 6-19% by weight of the total amount of the liquid crystal composition of at least one compound selected from the group consisting of compounds of general formula IV-1, compounds of general formula IV-2, and compounds of general formula IV-3:
• and
• (c) one or more stabilizers selected from the group consisting of:
• wherein n=3;
• and
• wherein the liquid crystal composition has a dielectric constant anisotropy (Δε) from 11 to 13.5.