Patent ID: 7351453

Claim:
A liquid crystal medium comprising, by weight: 5 to 27% of one or more compounds of formula I, 2 to 45% of one or more compounds of formula II, 12 to 23% of one or more compounds of formula III, 5 to 10% of one or more compounds of formula IV, 18 to 28% of one or more compounds of formula V, 0 to 12% of one or more compounds of formula VI, 0 to 14% of one or more compounds of formula VII, 0 to 18% of one or more compounds of formula VIII, in which R 1 and R 4 are independently of each other methyl, ethyl, n-propyl, n-butyl, n-pentyl or n-hexyl, R4 can also be methoxy, R 2 is methyl, ethyl, n-propyl, n-butyl, n-pentyl, n-hexyl, methoxy, ethoxy, n-propoxy, n-butoxy or n-pentoxy, R 3 is vinyl or 1E-propenyl.