Liquid-crystalline medium

Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...

Reexamination Certificate

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C252S299610, C252S299630, C252S299660, C252S299670

Reexamination Certificate

active

07033654

ABSTRACT:
A liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, which medium exhibits a birefringence value of ≦0.065 and includes one or more compounds of formula Iaand at least one compound of the formula Xc or Xd:in which R, alkyl, alkenyl and alkenyl* are as defined in claim 1.

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