Abstract: An optical switching device comprising a polarisation layer and a switching layer which comprises a liquid-crystalline material and a dye compound. Use of the optical switching device for the regulation of the passage of light through an area element. A window element which has the optical switching device therein.

Abstract: The present invention presents a switching layer S for use in a switching element which has forwards-scattering properties in at least one switching state. Furthermore, a switching element which comprises the switching layer S and a window element which includes the switching element are presented.

Abstract: A liquid-crystalline medium which is suitable for use in a guest-host system. An LC device, preferably a device for the regulation of the passage of energy, containing the liquid-crystalline medium.

Abstract: The present invention relates to liquid crystalline media comprising one or more naphthothiadiazol derivatives of formula I, in which R11, R12, A11, A12, A21, A22, Z11, Z12, Z21, Z22, W, X11, X12, L, r, s and t have the meanings indicated in claim 1, to the use of such liquid crystal media for optical, electro-optical and electronic purposes, in particular in devices for regulating the passage of energy from an outside space into an inside space, for example in windows.

Abstract: A device for regulating the passage of energy from an outside space into an inside space includes a switching layer, where the switching layer comprises one or more compounds of the formula: wherein R1, Z1, Z2, Ar1 and X are defined herein.

Abstract: The present application relates to novel compounds and to devices which contain these compounds. The application also relates to a device for regulating the passage of energy from an outside space into an inside space, to a window containing the said device, and to uses of the said devices and compounds.

Abstract: The present application relates to a device for regulating the passage of energy from an outside space into an inside space, where the device comprises a switching layer comprising one or more dichroic dyes of a formula (I) or formula (II).

Abstract: The application relates to a device for regulating the entry of light into a room, which comprises a switchable layer of specific design comprising a twisted nematic liquid-crystalline medium and a dichroic compound.

Abstract: The present invention relates to liquid crystalline media comprising one or more benzothiadiazol derivatives of formula I, in which R11, R12, A11, A12, A21, A22, Z11, Z12, Z21, Z22, W, X11, X12, r and s have the meanings indicated in claim 1, to the use of such liquid crystal media for optical, electro-optical and electronic purposes, in particular in devices for regulating the passage of energy from an outside space into an inside space, for example in windows.

Abstract: The invention relates to a blade for a turbomachine, comprising a blade element with a suction side and a pressure side, which extend between a leading edge and a trailing edge of the blade element, as well as a blade root for connection of the blade at a main rotor body, wherein the blade comprises a crack-affecting device, which, in the radial direction, has an altered cross-sectional geometry in comparison to an aerodynamically optimized blade profile. The invention further relates to a rotor for a turbomachine having at least one such blade, a turbomachine having at least one such blade, and/or with such a rotor as well as a method for producing a blade.

Abstract: The present application relates to a liquid-crystalline material which comprises at least one dye compound and at least one compound of a formula (IA) or (IB). The liquid-crystalline material is suitable for use in optical switching devices, in particular in devices for the homogeneous regulation of the passage of light through an area.

Abstract: The invention relates to substituted quinquephenyls of the formulae indicated in the claims and description. They are particularly suitable as UV-stabilizing component in liquid-crystalline media.

Abstract: Mixtures containing at least one dye compound having a diketopyrrolopyrrole structure and at least one further liquid-crystalline compound are suitable for use in devices for regulating the entry of light into a space.

Abstract: The application relates to a device for regulating the entry of light into a room, which comprises a switchable layer of specific design comprising a twisted nematic liquid-crystalline medium and a dichroic compound.

Abstract: The present application relates to mixtures which have liquid-crystalline properties. The application furthermore relates to the use of the mixtures in devices which regulate the transmission of light through an area element.

Abstract: Novel dithiopyrrolopyrrole derivatives having dichroic properties which have very high photostability in solution in a liquid-crystalline host are proposed.

Abstract: A layer arrangement (1) which changes the transmission of incident light depending on its temperature, where the layer arrangement (1) has a first polarization layer (5a), a switching layer (2) which influences the polarization properties of light depending on the temperature, and a second polarization layer (5b), whereby both the first polarization layer (5a) and the second polarization layer (5b) are arranged to affect polarization both in the VIS region and in the NIR region.

Abstract: The present application relates to novel compounds and to devices which contain these compounds. The application also relates to a device for regulating the passage of energy from an outside space into an inside space, to a window containing the said device, and to uses of the said devices and compounds.

Abstract: The present application relates to a device for regulating the passage of light through a light-transmitting area which comprises a switching layer comprising a liquid-crystalline medium comprising at least one dichroic dye, where the parameters degree of light transmission and degree of anisotropy of the device are selected in a certain manner.

Abstract: The present application relates to a device for regulating the passage of energy which is characterised in that it comprises at least two switching layers S(1) and S(2) arranged one behind the other, where the switching layers comprise a liquid-crystalline medium comprising at least one dichroic compound.