Liquid crystalline medium

Details Liquid crystalline medium Liquid crystalline medium

2004-08-03

2008-09-02

Wu, Shean C (Department: 1795)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299610, C252S299620, C252S299630, C252S299660, C252S299670

Reexamination Certificate

active

07419706

ABSTRACT:
The present invention relates to a liquid crystalline mixture comprisinga) 1-25% by weight of at least one compound of the formula Ib) 5-80% by weight of at least one compound of the formula IIc) and optionally 1-20% by weight of at least one chiral compound with a HTP of ≦20 μm,whereinR11, A11, Z11, A12, Z12, L11, L12, L13, L14, Z13, A13, Z14, A14, X11, a, b, c, d, R12, A1, Z1,A2, Z2, A3, L1, L2, X12, m and n have the meanings given in claim1and their use in TFT, TN, IPS applications and expecially for devices utilizing electro-optical effects in an optically isotropic state.

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