The invention relates to a liquid-crystalline medium which comprises at least one compound of the formula I, ##STR00001## in which R.sup.1, R.sup.1*, Z.sup.1, Z.sup.2 and L.sup.1-3 have the meanings defined herein, and to the use thereof for an active-matrix display, in particular based on the VA, PSA, PS-VA, PALC, FFS, PS-FFS, PS-IPS or IPS effect.

The present invention relates to liquid-crystalline media (LC media) having negative or positive dielectric anisotropy comprising self-aligning mesogens (SAMs) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The invention therefore also encompasses LC displays having homeotropic alignment of the liquid-crystalline medium (LC medium) without conventional imide alignment layers. The LC media may be supplemented by a polymerisable or polymerised component, which serves for stabilisation of the alignment, for adjustment of the tilt angle and/or as passivation layer.

A laminate has a first polarizer, a first patterned optical anisotropic layer, a second patterned optical anisotropic layer, and a second polarizer, in which an angle formed between transmission axes of the polarizers is 90+5; each of the patterned optical anisotropic layers has three or more phase difference regions, which have different slow axis directions and in which the slow axis directions continuously change, in a plane of each of the first patterned optical anisotropic layer and the second patterned optical anisotropic layer; a transmission display state and a light-blocking display state are switched with each other by changing an angle formed between the slow axis direction of each of the phase difference regions of the first patterned optical anisotropic layer and the slow axis direction of each of the phase difference regions of the second patterned optical anisotropic layer that is superposed on each of the phase difference regions of the first patterned optical anisotropic layer; a combination of the patterned optical anisotropic layers is a combination of a +A plate and A plate; and at least one of the polarizers is a reflective-type polarizer.

The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, ##STR00001##
in which R.sup.1 has the meanings indicated in Claim 1, and to the use thereof in liquid-crystalline media and in electro-optical liquid-crystal displays.

The present invention relates to an LC medium comprising and a liquid-crystalline host consisting of an LC component H) comprising one or more mesogenic or liquid-crystalline compounds and an optically active component D) and optionally a polymerizable component P) comprising one or more polymerizable compounds; and to the use of the polymerizable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.

Provide is a polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when the compound is used in a liquid crystal display device. The problem is solved by a compound represented by formula (1).

##STR00001##

For example, R.sup.1 is alkyl having 1 to 15 carbons; rings A.sup.1 to A.sup.5 are cyclohexylene or phenylene; Z.sup.1, Z.sup.4 and Z.sup.5 are a single bond or alkylene having 1 to 10 carbons; a, b and c are 0 to 4; d and e are 1 to 4; P.sup.2 and P.sup.3 are a polymerizable group; and Sp.sup.2 and Sp.sup.3 are a single bond or alkylene having 1 to 10 carbons.

The present invention relates to a compound of formula GF

##STR00001##

in which the occurring groups and parameters have the meanings defined in claim 1, to a liquid crystal medium comprising a compound of formula GF and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.

A liquid crystalline resin composition is disclosed. The liquid crystalline resin composition includes a liquid crystalline resin, a fine particulate filler including barium sulfate (BaSO.sub.4), and a nanofiller including carbon nanotubes (CNT), wherein a content of the nanofiller based on the total weight of the fine particulate filler and the nanofiller is about 6 wt % to about 30 wt %.

The present invention relates to a liquid-crystal (LC) medium comprising one or more polymerisable compounds and to the use of the LC medium for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment (PS, PSA) or self-aligning (SA) type.

Provide are a liquid crystal compound represented by formula I, and a liquid crystal mixture comprising the compound

##STR00001##

A lateral trifluoromethyl-containing liquid crystal compound having the structural characteristics of Formula I not only has a negative dielectric anisotropy (), an appropriate optical anisotropy (n), a higher clearing point (CP), a prominent low-temperature miscibility with other liquid crystals, and a low rotary viscosity (1), but also has a good stability to UV and high temperatures, particularly, a negative dielectric anisotropy. Same can be applied to the formulation of liquid crystal compositions of positive and negative types, and it is particularly prominent that same has the advantages of a good solubility at low temperatures and a high transmittance.