Patent ID: 6524666
Filing Date: 2003-02-25
Classification: C09K

Abstract:
A liquid crystal display operated in reflective mode, containing a nematic liquid crystal composition with positive dielectric anisotropy, comprising:5 to 15 % of at least one compound from group 1: group 1: wherein R1 denotes a straight-chain alkyl group of 5 to 7 carbon atoms;30 to 40% of at least two compounds from group 2: group 2: wherein R21 denotes a straight-chain alkyl group of 3 to 7 carbon atoms and R22 denotes a straight-chain alkoxy group of 1 to 3 carbon atoms or an 1E-alkenyl group with 2 or 3 carbon atoms;25 to 35% of at least three compounds from group 3: group 3: wherein R3 denotes a straight-chain alkyl group of 2 to 5 carbon atoms;10 to 20% of at least two compounds from group 4: group 4: wherein R4 denotes a straight-chain alkyl group or a 1E-alkenyl group, each with 2 or 3 carbon atoms and Z4 denotes a â€”CH2CH2â€”group or a single bond;8 to 12 % of three compounds of group 5: group 5: wherein R51 denotes n-alkyl with 3 or 4 carbon atoms; and R52 denotes n-alkyl with 3 or 5 carbon atoms; and4 to 8% of at least two compounds of group 6: group 6: wherein R61 denotes n-alkyl with 3 carbon atoms and R62 denotes n-alkyl with 3 or 4 carbon atoms.