Ester compounds and their use in liquid crystalline media

Details Ester compounds and their use in liquid crystalline media Ester compounds and their use in liquid crystalline media

2006-07-11

2006-07-11

Wu, Shean C. (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299610, C252S299630, C252S299640, C252S299650, C252S299660, C549S369000, C549S372000, C560S065000, C560S083000, C570S129000, C570S131000

Reexamination Certificate

active

07074462

ABSTRACT:
The invention relates to compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises one or more compounds of the general formula Iin whichR, A1, A2, Z1, Y, Z, L1, L2and m are as defined herein.

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