摘要:
The invention relates to supertwist liquid-crystal displays (STN-LCDs) aving short switching times and good steepness and angle dependencies, and to the novel nematic liquid-crystal mixtures used therein, which comprise compounds having a 3,4,5-trifluorophenyl group together with compounds of formula I and compounds of formula III
wherein the parameters have the meaning given in the claim 1.
摘要:
The invention relates to supertwist liquid-crystal displays (STN-LCDs) aving short switching times and good steepness and angle dependencies, and to the novel nematic liquid-crystal mixtures used therein, which comprise compounds having a 3,4,5-trifluorophenyl group together with compounds of formula I and compounds of formula III
wherein the parameters have the meaning given in the claim 1.
摘要:
The present invention relates to liquid crystal (LC) media having negative dielectric anisotropy, to the use thereof in an electro-optical display, particularly in a display with passive matrix addressing, based on the VA, ECB, FFS or IPS effect, and to displays of this type, in particular to an energy saving PM-VA display with low duty driving.
摘要:
The present invention relates to a liquid-crystalline medium having high twist, to the use thereof for electro-optical purposes, and to displays containing this medium.
摘要:
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which contains at least one compound of formula I
and at least one compound of formula I*,
wherein R 1 , R 2 , R 1* and R 2* are each independently alkyl or alkoxy with 1 to 8 C atoms, where one or more CH 2 -groups in these radicals can be replaced by -CH=CH-,
are each independently
but at least one of the rings A, B and C is
L 1-4 are each independently Cl, F, CF 3 or CHF 2 , preferably L 1-4 are each F, and s is 0 or 1, and their use in an electro-optical display.
摘要:
Die Erfindung betrifft TN- und STN-Flüssigkristallanzeigen sowie die darin verwendeten nematischen Flüssigkristallmischungen, dadurch gekennzeichnet, dass sie ein oder mehrere Verbindungen der Formel I und ein oder mehrere Verbindungen der Formel II enthalten, worin R 1 , R 2 , R 2* und Y die in Anspruch 1 angegebenen Bedeutungen besitzen.