Merck Patent Gesellschaft MIT Beschrankter Haftung

Merck Patent Gesellschaft MIT Beschr&auml;nkter Haftung

Merck Patent Gmbh

Dagmar Zimmermann

Harald Hirschmann

Ursula Patwal

Sabine Schoen

Volker Reiffenrath

Georg Weber

Michael Junge

Juliane Suermann

Martina Weidner

Antje Mühlfeld

Antje M&uuml;hlfeld

The invention relates to TN and STN liquid-crystal displays and to the nematic liquid-crystal mixtures used therein, characterised in that they comprise one or more compounds of the formula I and one or more compounds of the formula II in which ring A, R, Rand Y are as defined in Claim

Liquid crystal mixtures

Liquid-crystalline medium

The invention relates to TN liquid-crystal displays and supertwist liquid-crystal displays (SLCDs) having very short response times and good steepnesses and angle dependences, and to the novel nematic liquid-crystal mixtures used therein, which are distinguished by the fact that they comprise at least one compound o the formula IA ##STR1## and at least one compound of the formula IB ##STR2## in which R.sup.a, R.sup.b, R.sup.c, Ring A*, L, l and r are as defined in claim 1.

TN and STN liquid-crystal display

Growing community of inventors

Gross-Gerau, Germany

Dagmar Zimmermann