The present invention relates to polymerizable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, 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, or a stabilizers in LC media and LC displays.

A polymer having a partial structure formed by performing radical polymerization with respect to a compound having a mesogenic group derived from at least one type of liquid crystal compound selected from a rod-like liquid crystal compound and a disk-like liquid crystal compound, and two or more polymerizable groups, in which the polymer is a branched polymer, and a composition containing the polymer, an optical film, and a liquid crystal display device.

The present disclosure discloses a liquid crystal composition. The liquid crystal composition includes the following components in their respective mass percentages: 8%-50% of a polymerizable liquid crystal monomer; 1%-30% of a chiral reagent; 0.1%-5% of a photoinitiator; and 30%-70% of an organic solvent, wherein the liquid crystal composition after being cured exhibits visual angle dependent optical effect. In this way, the liquid crystal composition of the present disclosure includes no pigment particles or liquid crystal microcapsules, can be UV cured into film, and is applicable to being printed onto various substrates through gravure or flexo printing, so that it has a promising application prospect.

The present invention relates to a switch element, which is thermoresponsive and which switches between a less transmissive state for radiant energy and a more transmissive state for radiant energy, and which comprises a liquid-crystalline medium. The invention furthermore relates to the use of the switch element for the regulation of radiant energy flow between interior spaces and the environment and for the regulation of the temperature of interior spaces. The invention furthermore relates to a liquid-crystalline medium, characterised in that it comprises 5-95% of a compound of the formula (I), in particular for use in the switch elements according to the invention.

The invention relates to a liquid-crystalline medium, in particular based on a mixture of polar compounds, and to the use thereof for an active-matrix display, in particular based on the VA, SA-VA, IPS, PS-IPS, FFS, PS-FFS, UB-FFS or PS-UB-FFS effect.

A liquid crystal medium having negative dielectric anisotropy and containing one or more compounds of formulae B and C and one or more compounds of formula G ##STR00001## and the use thereof for an active-matrix display, in particular based on the VA, SA-VA, IPS, PS-IPS, FFS, PS-FFS, UB-FFS or PS-UB-FFS effect.

The present invention relates to liquid-crystal (LC) media as defined in claim 1, having negative dielectric anisotropy and to the use thereof for optical, electro-optical and electronic purposes, in particular in LC displays.

The response of biological cells to applied stress is central to the functioning of living systems. The present disclosure is directed to systems, compositions and methods for rapidly reporting biomechanical properties of cells or cellular organelles at a single cell or population level.

Liquid-crystalline (LC) media having positive dielectric anisotropy and liquid-crystal displays (LCDs) containing these media, especially displays addressed by an active matrix and in particular LC displays of the TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS, XB-FFS, PS-FFS, SA-HB-FFS, SA-XB-FFS, polymer stabilised SA-HB-FFS, polymer stabilised SA-XB-FFS, positive VA or positive PS-VA type.

A liquid-crystal (LC) material comprising a compound of formula I and a compound of formula CPY and one or more compounds of formulae IIA, IIB, IIC and IID wherein the compound of the formula CPY is excluded from the formula IIB, having negative dielectric anisotropy and the use thereof for optical, electro-optical and electronic purposes, such as for example in LC displays, in particular energy saving displays based on the ECB, IPS or FFS effect.