Liquid crystalline medium

Details Liquid crystalline medium Liquid crystalline medium

2006-02-21

2006-02-21

Wu, Shean C. (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299610, C252S299630, C252S299660, C252S299670

Reexamination Certificate

active

07001646

ABSTRACT:
The invention relates to a liquid crystalline medium based on a mixture of polar compounds with positive dielectric anisotropy, characterized in that said medium contains one or more alkenyl compounds of the formula (I) and one or more compounds of the formula (IA) wherein R, R1, R2, ring A and ring B, L1, L2; L3; L4; X, Z1, Z2, y and z have the meanings cited in Claim1.

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