Liquid crystalline medium

Abstract

The invention relates to a liquid crystalline medium based on a mixture of dielectrically negative, polar compounds, said mixture containing at least one compound of formula (I), wherein the parameters have the meanings indicated in claim 1. Also disclosed are the use of the liquid crystalline medium in an electro-optical display, particularly an active matrix display based on the VA, ECB, PALC, FFS, or IPS effect, as well as such display units.

Description

technical field [0001] The present invention relates to liquid crystal media, and their use in liquid crystal displays, and to these liquid crystal displays, in particular to liquid crystal displays using the ECB (Electrically Controlled Birefringence) effect using a dielectric with a homeotropic orientation Negative liquid crystal. The liquid-crystalline media according to the invention are distinguished by particularly short response times in the displays according to the invention, together with a high voltage retention. Background technique [0002] Displays applying the ECB effect as so-called VAN (Vertical Alignment Nematic) displays, for example in the form of construction MVA (Multi-Domain Vertical Alignment, e.g. Yoshide, H. et al., Vortrag 3.1: "MVA LCD for Notebook or Mobile PCs.. .", SID 2004 International Symposium, Digest of Technical Papers, XXXV, Vol. I, pp. 6-9 and Liu, C.T. et al., Vortrag 15.1: "A 46-inchTFT-LCD HDTV Technology...", SID 2004 International...

AI Technical Summary

Problems solved by technology

However, the results obtained here are not sufficient for many applications, and it therefore seems desirable to find further optimizations

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