| abstract |
An electro-optical liquid crystal display, particularly an IPS display, having a relatively low threshold voltage and a short response time is provided. A liquid crystal medium having a reorientation layer for reorienting a liquid crystal, having an effective component parallel to the liquid crystal layer in situ, and having a negative dielectric anisotropy. An electro-optical liquid crystal display, wherein the medium contains at least four mesogenic compounds containing a group represented by the following formula A: |