申请人:——
公开号:US20020142108A1
公开(公告)日:2002-10-03
The instant invention relates to liquid crystal media comprising a strongly dielectrically positive component A, preferably comprising isothiocyanate compounds, most preferably compounds of formula I, as given in the text, and a further dielectrically positive component B, preferably comprising terminally polar substituted bi- or terphenyl compounds, most preferably comprising compounds of formula II, as given in the text, further to novel isothiocyanato compounds as well as to liquid crystal displays comprising these media, in particular to PDLC display and most particular to holographic PDLC displays. The instant invention further relates to compounds of formula I
1
wherein the parameters are as as specified in the text.
本发明涉及液晶介质,包括强介电正性组分A,优选包括异硫氰酸酯化合物,最优选为公式I所示的化合物,以及进一步的介电正性组分B,优选包括末端极性取代的双苯或三苯基化合物,最优选包括公式II所示的化合物。此外,本发明还涉及新型的异硫氰酸酯化合物,以及包括这些介质的液晶显示器,特别是PDLC显示器,最特别是全息PDLC显示器。本发明还涉及公式I1中参数如文本所述的化合物。